LWTools Old Repo: lwasm/pseudo.c annotate

annotate lwasm/pseudo.c @ 235:aa0056ca7319

Added a padding value for the ALIGN directive

author	lost
date	Fri, 12 Jun 2009 05:25:41 +0000
parents	59a138df0401
children	a58f49a77441

rev	line source
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	1 /*
4 34568fab6058 Fixed package to include all required files; also added copyright preamble to all source files lost parents: 0 diff changeset	2 pseudo.c
47 804d7465e0f9 Implemented ORG and fixed problems with constants using $, &, or @ to specify base lost parents: 4 diff changeset	3 Copyright © 2009 William Astle
4 34568fab6058 Fixed package to include all required files; also added copyright preamble to all source files lost parents: 0 diff changeset	4
34568fab6058 Fixed package to include all required files; also added copyright preamble to all source files lost parents: 0 diff changeset	5 This file is part of LWASM.
34568fab6058 Fixed package to include all required files; also added copyright preamble to all source files lost parents: 0 diff changeset	6
34568fab6058 Fixed package to include all required files; also added copyright preamble to all source files lost parents: 0 diff changeset	7 LWASM is free software: you can redistribute it and/or modify it under the
34568fab6058 Fixed package to include all required files; also added copyright preamble to all source files lost parents: 0 diff changeset	8 terms of the GNU General Public License as published by the Free Software
34568fab6058 Fixed package to include all required files; also added copyright preamble to all source files lost parents: 0 diff changeset	9 Foundation, either version 3 of the License, or (at your option) any later
34568fab6058 Fixed package to include all required files; also added copyright preamble to all source files lost parents: 0 diff changeset	10 version.
34568fab6058 Fixed package to include all required files; also added copyright preamble to all source files lost parents: 0 diff changeset	11
34568fab6058 Fixed package to include all required files; also added copyright preamble to all source files lost parents: 0 diff changeset	12 This program is distributed in the hope that it will be useful, but WITHOUT
34568fab6058 Fixed package to include all required files; also added copyright preamble to all source files lost parents: 0 diff changeset	13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
34568fab6058 Fixed package to include all required files; also added copyright preamble to all source files lost parents: 0 diff changeset	14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
34568fab6058 Fixed package to include all required files; also added copyright preamble to all source files lost parents: 0 diff changeset	15 more details.
34568fab6058 Fixed package to include all required files; also added copyright preamble to all source files lost parents: 0 diff changeset	16
34568fab6058 Fixed package to include all required files; also added copyright preamble to all source files lost parents: 0 diff changeset	17 You should have received a copy of the GNU General Public License along with
34568fab6058 Fixed package to include all required files; also added copyright preamble to all source files lost parents: 0 diff changeset	18 this program. If not, see <http://www.gnu.org/licenses/>.
34568fab6058 Fixed package to include all required files; also added copyright preamble to all source files lost parents: 0 diff changeset	19
34568fab6058 Fixed package to include all required files; also added copyright preamble to all source files lost parents: 0 diff changeset	20
34568fab6058 Fixed package to include all required files; also added copyright preamble to all source files lost parents: 0 diff changeset	21 This file implements the various pseudo operations.
34568fab6058 Fixed package to include all required files; also added copyright preamble to all source files lost parents: 0 diff changeset	22 */
212 bae1e3ecdce1 More preparation for gnulib integration lost parents: 202 diff changeset	23 #include <config.h>
225 058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	24 #include <errno.h>
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	25 #include <stdio.h>
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	26 #include <stdlib.h>
50 e672232caffe Added rmb pseudo op lost parents: 49 diff changeset	27 #include <string.h>
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	28 #include "lwasm.h"
57495da01900 Initial checking of LWASM lost parents: diff changeset	29 #include "instab.h"
47 804d7465e0f9 Implemented ORG and fixed problems with constants using $, &, or @ to specify base lost parents: 4 diff changeset	30 #include "expr.h"
52 b9856da2674a Added file inclusion lost parents: 50 diff changeset	31 #include "util.h"
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	32
52 b9856da2674a Added file inclusion lost parents: 50 diff changeset	33 extern int lwasm_read_file(asmstate_t as, const char filename);
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	34
158 f0527dc3804d Added support for .globl <sym>, .area <section>, .word, .byte, .blkb, and a .module directive that does nothing lost parents: 151 diff changeset	35 OPFUNC(pseudo_noop)
f0527dc3804d Added support for .globl <sym>, .area <section>, .word, .byte, .blkb, and a .module directive that does nothing lost parents: 151 diff changeset	36 {
229 59a138df0401 Fixed additional parsing problems with pseudo ops lost parents: 225 diff changeset	37 skip_operand(p);
158 f0527dc3804d Added support for .globl <sym>, .area <section>, .word, .byte, .blkb, and a .module directive that does nothing lost parents: 151 diff changeset	38 }
f0527dc3804d Added support for .globl <sym>, .area <section>, .word, .byte, .blkb, and a .module directive that does nothing lost parents: 151 diff changeset	39
47 804d7465e0f9 Implemented ORG and fixed problems with constants using $, &, or @ to specify base lost parents: 4 diff changeset	40 OPFUNC(pseudo_org)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	41 {
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	42 int v, r;
52 b9856da2674a Added file inclusion lost parents: 50 diff changeset	43
74 c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	44 if (as -> csect)
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	45 {
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	46 register_error(as, l, 1, "ORG not allowed within sections");
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	47 return;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	48 }
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	49
52 b9856da2674a Added file inclusion lost parents: 50 diff changeset	50 if (as -> passnum != 1)
b9856da2674a Added file inclusion lost parents: 50 diff changeset	51 {
b9856da2674a Added file inclusion lost parents: 50 diff changeset	52 // org is not needed to be processed on pass 2
b9856da2674a Added file inclusion lost parents: 50 diff changeset	53 // this will prevent phasing errors for forward references that
b9856da2674a Added file inclusion lost parents: 50 diff changeset	54 // resolve on the second pass
b9856da2674a Added file inclusion lost parents: 50 diff changeset	55 // we saved the org address in l -> codeaddr on pass 1
b9856da2674a Added file inclusion lost parents: 50 diff changeset	56 as -> addr = l -> codeaddr;
229 59a138df0401 Fixed additional parsing problems with pseudo ops lost parents: 225 diff changeset	57 skip_operand(p);
52 b9856da2674a Added file inclusion lost parents: 50 diff changeset	58 return;
b9856da2674a Added file inclusion lost parents: 50 diff changeset	59 }
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	60
47 804d7465e0f9 Implemented ORG and fixed problems with constants using $, &, or @ to specify base lost parents: 4 diff changeset	61 if (l -> sym)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	62 {
47 804d7465e0f9 Implemented ORG and fixed problems with constants using $, &, or @ to specify base lost parents: 4 diff changeset	63 register_error(as, l, 1, "No symbol allowed with ORG");
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	64 }
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	65
121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	66 r = lwasm_expr_result2(as, l, p, EXPR_PASS1CONST, &v, 0);
121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	67 if (r != 0)
47 804d7465e0f9 Implemented ORG and fixed problems with constants using $, &, or @ to specify base lost parents: 4 diff changeset	68 return;
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	69 l -> codeaddr = v;
49 21ae0fab469b Added needed infra for useful listing of EQU and ORG type statements lost parents: 47 diff changeset	70 l -> addrset = 1;
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	71 as -> addr = v;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	72 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	73
47 804d7465e0f9 Implemented ORG and fixed problems with constants using $, &, or @ to specify base lost parents: 4 diff changeset	74 /*
52 b9856da2674a Added file inclusion lost parents: 50 diff changeset	75 The operand for include is a string optionally enclosed in "
b9856da2674a Added file inclusion lost parents: 50 diff changeset	76 */
b9856da2674a Added file inclusion lost parents: 50 diff changeset	77 OPFUNC(pseudo_include)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	78 {
57495da01900 Initial checking of LWASM lost parents: diff changeset	79 int v1;
52 b9856da2674a Added file inclusion lost parents: 50 diff changeset	80 char *fn;
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	81
52 b9856da2674a Added file inclusion lost parents: 50 diff changeset	82 // only include files on pass 1
b9856da2674a Added file inclusion lost parents: 50 diff changeset	83 // but make sure local include context is right
b9856da2674a Added file inclusion lost parents: 50 diff changeset	84 // for the next line...
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	85 if (as -> passnum != 1)
52 b9856da2674a Added file inclusion lost parents: 50 diff changeset	86 {
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	87 as -> context = lwasm_next_context(as);
229 59a138df0401 Fixed additional parsing problems with pseudo ops lost parents: 225 diff changeset	88 skip_operand(p);
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	89 return;
52 b9856da2674a Added file inclusion lost parents: 50 diff changeset	90 }
b9856da2674a Added file inclusion lost parents: 50 diff changeset	91
b9856da2674a Added file inclusion lost parents: 50 diff changeset	92 while (p && isspace(p))
b9856da2674a Added file inclusion lost parents: 50 diff changeset	93 (*p)++;
b9856da2674a Added file inclusion lost parents: 50 diff changeset	94
b9856da2674a Added file inclusion lost parents: 50 diff changeset	95 if (!**p)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	96 {
52 b9856da2674a Added file inclusion lost parents: 50 diff changeset	97 register_error(as, l, 1, "Bad file name");
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	98 return;
57495da01900 Initial checking of LWASM lost parents: diff changeset	99 }
52 b9856da2674a Added file inclusion lost parents: 50 diff changeset	100
b9856da2674a Added file inclusion lost parents: 50 diff changeset	101 if (**p == '"')
b9856da2674a Added file inclusion lost parents: 50 diff changeset	102 {
b9856da2674a Added file inclusion lost parents: 50 diff changeset	103 // search for ending "
b9856da2674a Added file inclusion lost parents: 50 diff changeset	104 (*p)++;
b9856da2674a Added file inclusion lost parents: 50 diff changeset	105 for (v1 = 0; ((p)+v1) && ((p)+v1) != '"'; v1++)
b9856da2674a Added file inclusion lost parents: 50 diff changeset	106 /* do nothing */ ;
b9856da2674a Added file inclusion lost parents: 50 diff changeset	107 if (((p)+v1) != '"')
b9856da2674a Added file inclusion lost parents: 50 diff changeset	108 {
b9856da2674a Added file inclusion lost parents: 50 diff changeset	109 register_error(as, l, 1, "Bad file name");
b9856da2674a Added file inclusion lost parents: 50 diff changeset	110 return;
b9856da2674a Added file inclusion lost parents: 50 diff changeset	111 }
b9856da2674a Added file inclusion lost parents: 50 diff changeset	112 }
b9856da2674a Added file inclusion lost parents: 50 diff changeset	113 else
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	114 {
52 b9856da2674a Added file inclusion lost parents: 50 diff changeset	115 // search for a space type character
b9856da2674a Added file inclusion lost parents: 50 diff changeset	116 for (v1 = 0; ((p)+v1) && !isspace(((p)+v1)); v1++)
b9856da2674a Added file inclusion lost parents: 50 diff changeset	117 ;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	118 }
52 b9856da2674a Added file inclusion lost parents: 50 diff changeset	119
b9856da2674a Added file inclusion lost parents: 50 diff changeset	120 fn = lwasm_alloc(v1 + 1);
b9856da2674a Added file inclusion lost parents: 50 diff changeset	121 memcpy(fn, *p, v1);
b9856da2674a Added file inclusion lost parents: 50 diff changeset	122 fn[v1] = '\0';
b9856da2674a Added file inclusion lost parents: 50 diff changeset	123
225 058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	124 (*p) += v1;
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	125 if (**p == '"')
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	126 (*p)++;
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	127
52 b9856da2674a Added file inclusion lost parents: 50 diff changeset	128 // end local label context on include
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	129 as -> context = lwasm_next_context(as);
52 b9856da2674a Added file inclusion lost parents: 50 diff changeset	130 if (lwasm_read_file(as, fn) < 0)
b9856da2674a Added file inclusion lost parents: 50 diff changeset	131 {
b9856da2674a Added file inclusion lost parents: 50 diff changeset	132 register_error(as, l, 1, "File include error (%s)", fn);
b9856da2674a Added file inclusion lost parents: 50 diff changeset	133 }
b9856da2674a Added file inclusion lost parents: 50 diff changeset	134 lwasm_free(fn);
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	135 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	136
225 058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	137 /*
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	138 The operand for includebin is a string optionally enclosed in "
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	139 */
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	140 OPFUNC(pseudo_includebin)
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	141 {
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	142 int v1;
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	143 char *fn;
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	144 FILE *f;
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	145
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	146 // only include files on pass 1
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	147 while (p && isspace(p))
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	148 (*p)++;
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	149
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	150 if (!**p)
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	151 {
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	152 register_error(as, l, 1, "Bad file name");
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	153 return;
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	154 }
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	155
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	156 if (**p == '"')
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	157 {
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	158 // search for ending "
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	159 (*p)++;
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	160 for (v1 = 0; ((p)+v1) && ((p)+v1) != '"'; v1++)
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	161 /* do nothing */ ;
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	162 if (((p)+v1) != '"')
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	163 {
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	164 register_error(as, l, 1, "Bad file name");
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	165 return;
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	166 }
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	167 }
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	168 else
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	169 {
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	170 // search for a space type character
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	171 for (v1 = 0; ((p)+v1) && !isspace(((p)+v1)); v1++)
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	172 ;
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	173 }
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	174
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	175 fn = lwasm_alloc(v1 + 1);
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	176 memcpy(fn, *p, v1);
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	177 fn[v1] = '\0';
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	178
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	179 (*p) += v1;
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	180 if (**p == '"')
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	181 (*p)++;
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	182
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	183 // open the file
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	184 f = fopen(fn, "rb");
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	185 if (!f)
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	186 {
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	187 register_error(as, l, 1, "Cannot open file: %s", strerror(errno));
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	188 register_error(as, l, 2, "Cannot open file: %s", strerror(errno));
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	189 }
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	190
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	191 // don't need fn any more
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	192 lwasm_free(fn);
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	193
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	194 // read the contents of the file and "emit()" it
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	195 while (!feof(f) && !ferror(f))
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	196 {
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	197 v1 = fgetc(f);
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	198 if (v1 == EOF)
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	199 break;
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	200 lwasm_emit(as, l, v1);
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	201 }
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	202 // close file
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	203 fclose(f);
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	204 }
058f18119025 Fixed filename parsing bug in include directive and added includebin directive lost parents: 221 diff changeset	205
50 e672232caffe Added rmb pseudo op lost parents: 49 diff changeset	206 OPFUNC(pseudo_rmb)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	207 {
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	208 int r, v;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	209
95 f3497072ac44 Fixed think-o in rm* ops (reversed pass number test) lost parents: 94 diff changeset	210 if (as -> passnum == 2)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	211 {
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	212 as -> addr += l -> nocodelen;
229 59a138df0401 Fixed additional parsing problems with pseudo ops lost parents: 225 diff changeset	213 skip_operand(p);
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	214 return;
57495da01900 Initial checking of LWASM lost parents: diff changeset	215 }
103 26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	216 r = lwasm_expr_result2(as, l, p, EXPR_SECTCONST \| EXPR_PASS1CONST, &v, -1);
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	217 if (r != 0)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	218 return;
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	219 l -> nocodelen = v;
121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	220 as -> addr += v;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	221 }
53 493cb8ea50a0 Added rm[dq], zm[bdq] lost parents: 52 diff changeset	222
493cb8ea50a0 Added rm[dq], zm[bdq] lost parents: 52 diff changeset	223 OPFUNC(pseudo_rmd)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	224 {
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	225 int r, v;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	226
95 f3497072ac44 Fixed think-o in rm* ops (reversed pass number test) lost parents: 94 diff changeset	227 if (as -> passnum == 2)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	228 {
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	229 as -> addr += l -> nocodelen;
229 59a138df0401 Fixed additional parsing problems with pseudo ops lost parents: 225 diff changeset	230 skip_operand(p);
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	231 return;
57495da01900 Initial checking of LWASM lost parents: diff changeset	232 }
103 26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	233 r = lwasm_expr_result2(as, l, p, EXPR_SECTCONST \| EXPR_PASS1CONST, &v, 0);
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	234 if (r != 0)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	235 return;
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	236 v *= 2;
121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	237 l -> nocodelen = v;
121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	238 as -> addr += v;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	239 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	240
53 493cb8ea50a0 Added rm[dq], zm[bdq] lost parents: 52 diff changeset	241 OPFUNC(pseudo_rmq)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	242 {
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	243 int r, v;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	244
95 f3497072ac44 Fixed think-o in rm* ops (reversed pass number test) lost parents: 94 diff changeset	245 if (as -> passnum == 2)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	246 {
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	247 as -> addr += l -> nocodelen;
229 59a138df0401 Fixed additional parsing problems with pseudo ops lost parents: 225 diff changeset	248 skip_operand(p);
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	249 return;
57495da01900 Initial checking of LWASM lost parents: diff changeset	250 }
103 26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	251 r = lwasm_expr_result2(as, l, p, EXPR_SECTCONST \| EXPR_PASS1CONST, &v, 0);
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	252 if (r != 0)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	253 return;
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	254 v *= 4;
121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	255 l -> nocodelen = v;
121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	256 as -> addr += v;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	257 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	258
53 493cb8ea50a0 Added rm[dq], zm[bdq] lost parents: 52 diff changeset	259 OPFUNC(pseudo_zmb)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	260 {
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	261 int r, v;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	262
103 26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	263 r = lwasm_expr_result2(as, l, p, EXPR_SECTCONST \| EXPR_PASS1CONST, &v, 0);
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	264 if (r != 0)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	265 return;
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	266 while (v--)
53 493cb8ea50a0 Added rm[dq], zm[bdq] lost parents: 52 diff changeset	267 lwasm_emit(as, l, 0);
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	268 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	269
53 493cb8ea50a0 Added rm[dq], zm[bdq] lost parents: 52 diff changeset	270 OPFUNC(pseudo_zmd)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	271 {
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	272 int r, v;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	273
103 26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	274 r = lwasm_expr_result2(as, l, p, EXPR_SECTCONST \| EXPR_PASS1CONST, &v, 0);
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	275 if (r != 0)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	276 return;
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	277 v *= 2;
121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	278 while (v--)
53 493cb8ea50a0 Added rm[dq], zm[bdq] lost parents: 52 diff changeset	279 lwasm_emit(as, l, 0);
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	280 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	281
53 493cb8ea50a0 Added rm[dq], zm[bdq] lost parents: 52 diff changeset	282 OPFUNC(pseudo_zmq)
493cb8ea50a0 Added rm[dq], zm[bdq] lost parents: 52 diff changeset	283 {
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	284 int r, v;
53 493cb8ea50a0 Added rm[dq], zm[bdq] lost parents: 52 diff changeset	285
103 26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	286 r = lwasm_expr_result2(as, l, p, EXPR_SECTCONST \| EXPR_PASS1CONST, &v, 0);
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	287 if (r != 0)
53 493cb8ea50a0 Added rm[dq], zm[bdq] lost parents: 52 diff changeset	288 return;
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	289 v *= 4;
121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	290 while (v--)
53 493cb8ea50a0 Added rm[dq], zm[bdq] lost parents: 52 diff changeset	291 lwasm_emit(as, l, 0);
493cb8ea50a0 Added rm[dq], zm[bdq] lost parents: 52 diff changeset	292 }
493cb8ea50a0 Added rm[dq], zm[bdq] lost parents: 52 diff changeset	293
54 360d53062bb9 Fixed typo in instruction table and added END directive lost parents: 53 diff changeset	294 OPFUNC(pseudo_end)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	295 {
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	296 int r, v;
54 360d53062bb9 Fixed typo in instruction table and added END directive lost parents: 53 diff changeset	297 lwasm_expr_stack_t *s;
360d53062bb9 Fixed typo in instruction table and added END directive lost parents: 53 diff changeset	298
360d53062bb9 Fixed typo in instruction table and added END directive lost parents: 53 diff changeset	299
360d53062bb9 Fixed typo in instruction table and added END directive lost parents: 53 diff changeset	300 as -> endseen = 1;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	301
54 360d53062bb9 Fixed typo in instruction table and added END directive lost parents: 53 diff changeset	302 // address only matters for DECB output
360d53062bb9 Fixed typo in instruction table and added END directive lost parents: 53 diff changeset	303 if (as -> outformat != OUTPUT_DECB)
229 59a138df0401 Fixed additional parsing problems with pseudo ops lost parents: 225 diff changeset	304 {
59a138df0401 Fixed additional parsing problems with pseudo ops lost parents: 225 diff changeset	305 skip_operand(p);
54 360d53062bb9 Fixed typo in instruction table and added END directive lost parents: 53 diff changeset	306 return;
229 59a138df0401 Fixed additional parsing problems with pseudo ops lost parents: 225 diff changeset	307 }
54 360d53062bb9 Fixed typo in instruction table and added END directive lost parents: 53 diff changeset	308
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	309 r = lwasm_expr_result2(as, l, p, 0, &v, 0);
121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	310 if (r != 0)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	311 {
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	312 register_error(as, l, 2, "Bad operand");
54 360d53062bb9 Fixed typo in instruction table and added END directive lost parents: 53 diff changeset	313 }
360d53062bb9 Fixed typo in instruction table and added END directive lost parents: 53 diff changeset	314
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	315 v = v & 0xffff;
54 360d53062bb9 Fixed typo in instruction table and added END directive lost parents: 53 diff changeset	316 if (as -> passnum == 2)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	317 {
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	318 as -> execaddr = v;
121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	319 l -> symaddr = v;
54 360d53062bb9 Fixed typo in instruction table and added END directive lost parents: 53 diff changeset	320 l -> addrset = 2;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	321 }
54 360d53062bb9 Fixed typo in instruction table and added END directive lost parents: 53 diff changeset	322 }
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	323
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	324
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	325 OPFUNC(pseudo_align)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	326 {
57495da01900 Initial checking of LWASM lost parents: diff changeset	327 int cn;
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	328 int r, v;
235 aa0056ca7319 Added a padding value for the ALIGN directive lost parents: 229 diff changeset	329 int pad = 0;
aa0056ca7319 Added a padding value for the ALIGN directive lost parents: 229 diff changeset	330 // we have to parse this on pass 2 so that we get the pad value
aa0056ca7319 Added a padding value for the ALIGN directive lost parents: 229 diff changeset	331 // if (as -> passnum == 2)
aa0056ca7319 Added a padding value for the ALIGN directive lost parents: 229 diff changeset	332 // {
aa0056ca7319 Added a padding value for the ALIGN directive lost parents: 229 diff changeset	333 // skip_operand(p);
aa0056ca7319 Added a padding value for the ALIGN directive lost parents: 229 diff changeset	334 // while (as -> addr < l -> symaddr)
aa0056ca7319 Added a padding value for the ALIGN directive lost parents: 229 diff changeset	335 // lwasm_emit(as, l, 0);
aa0056ca7319 Added a padding value for the ALIGN directive lost parents: 229 diff changeset	336 // return;
aa0056ca7319 Added a padding value for the ALIGN directive lost parents: 229 diff changeset	337 // }
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	338
103 26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	339 r = lwasm_expr_result2(as, l, p, EXPR_SECTCONST \| EXPR_PASS1CONST, &v, 0);
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	340 if (r != 0)
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	341 {
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	342 l -> symaddr = as -> addr;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	343 return;
57495da01900 Initial checking of LWASM lost parents: diff changeset	344 }
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	345
121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	346 if (v < 1)
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	347 {
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	348 register_error(as, l, 1, "Illegal alignment %d", v);
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	349 return;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	350 }
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	351
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	352 cn = l -> codeaddr % v;
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	353 if (cn)
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	354 cn = v - cn;
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	355
235 aa0056ca7319 Added a padding value for the ALIGN directive lost parents: 229 diff changeset	356 if (**p == ',')
aa0056ca7319 Added a padding value for the ALIGN directive lost parents: 229 diff changeset	357 {
aa0056ca7319 Added a padding value for the ALIGN directive lost parents: 229 diff changeset	358 // we have a padding value specified
aa0056ca7319 Added a padding value for the ALIGN directive lost parents: 229 diff changeset	359 (*p)++;
aa0056ca7319 Added a padding value for the ALIGN directive lost parents: 229 diff changeset	360 r = lwasm_expr_result2(as, l, p, EXPR_SECTCONST, &pad, 1);
aa0056ca7319 Added a padding value for the ALIGN directive lost parents: 229 diff changeset	361 if (r != 0 && as -> passnum == 2)
aa0056ca7319 Added a padding value for the ALIGN directive lost parents: 229 diff changeset	362 {
aa0056ca7319 Added a padding value for the ALIGN directive lost parents: 229 diff changeset	363 register_error(as, l, 2, "Illegal padding value - must be constant on pass 2");
aa0056ca7319 Added a padding value for the ALIGN directive lost parents: 229 diff changeset	364 return;
aa0056ca7319 Added a padding value for the ALIGN directive lost parents: 229 diff changeset	365 }
aa0056ca7319 Added a padding value for the ALIGN directive lost parents: 229 diff changeset	366 }
aa0056ca7319 Added a padding value for the ALIGN directive lost parents: 229 diff changeset	367
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	368 while (cn--)
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	369 {
235 aa0056ca7319 Added a padding value for the ALIGN directive lost parents: 229 diff changeset	370 lwasm_emit(as, l, pad);
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	371 }
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	372 l -> symaddr = as -> addr;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	373 }
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	374
50 e672232caffe Added rmb pseudo op lost parents: 49 diff changeset	375 OPFUNC(pseudo_equ)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	376 {
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	377 int r, v;
52 b9856da2674a Added file inclusion lost parents: 50 diff changeset	378
50 e672232caffe Added rmb pseudo op lost parents: 49 diff changeset	379 if (l -> sym == NULL)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	380 {
50 e672232caffe Added rmb pseudo op lost parents: 49 diff changeset	381 register_error(as, l, 1, "No symbol specified");
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	382 return;
57495da01900 Initial checking of LWASM lost parents: diff changeset	383 }
50 e672232caffe Added rmb pseudo op lost parents: 49 diff changeset	384
103 26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	385 r = lwasm_expr_result2(as, l, p, EXPR_SECTCONST \| EXPR_PASS1CONST, &v, 0);
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	386 if (r < 0)
121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	387 v = 0;
63 d85ba47b1e8f Moved symbol registration so symbols that are in skipped code do not get registered and so EQU/SET can do their own registration lost parents: 57 diff changeset	388
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	389 l -> symaddr = v & 0xFFFF;
50 e672232caffe Added rmb pseudo op lost parents: 49 diff changeset	390 l -> addrset = 2;
63 d85ba47b1e8f Moved symbol registration so symbols that are in skipped code do not get registered and so EQU/SET can do their own registration lost parents: 57 diff changeset	391
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	392 // note: we need to do this because the symbol might have resolved
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	393 // to a constant!
190 563adfccb645 Added 'sym=expr' opcode handling lost parents: 162 diff changeset	394 lwasm_register_symbol(as, l, l -> sym, v, (r > 0 ? SYMBOL_COMPLEX: SYMBOL_NORM) \| SYMBOL_FORCE \| (l -> forceglobal ? SYMBOL_GLOBAL : SYMBOL_NORM));
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	395 }
63 d85ba47b1e8f Moved symbol registration so symbols that are in skipped code do not get registered and so EQU/SET can do their own registration lost parents: 57 diff changeset	396
d85ba47b1e8f Moved symbol registration so symbols that are in skipped code do not get registered and so EQU/SET can do their own registration lost parents: 57 diff changeset	397 OPFUNC(pseudo_set)
d85ba47b1e8f Moved symbol registration so symbols that are in skipped code do not get registered and so EQU/SET can do their own registration lost parents: 57 diff changeset	398 {
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	399 int r, v;
64 aaddd47219b4 Added the 'set' directive lost parents: 63 diff changeset	400
aaddd47219b4 Added the 'set' directive lost parents: 63 diff changeset	401 // set MUST run on both passes as the symbol value changes!
aaddd47219b4 Added the 'set' directive lost parents: 63 diff changeset	402
aaddd47219b4 Added the 'set' directive lost parents: 63 diff changeset	403 if (l -> sym == NULL)
aaddd47219b4 Added the 'set' directive lost parents: 63 diff changeset	404 {
aaddd47219b4 Added the 'set' directive lost parents: 63 diff changeset	405 register_error(as, l, 1, "No symbol specified");
aaddd47219b4 Added the 'set' directive lost parents: 63 diff changeset	406 return;
aaddd47219b4 Added the 'set' directive lost parents: 63 diff changeset	407 }
aaddd47219b4 Added the 'set' directive lost parents: 63 diff changeset	408
103 26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	409 r = lwasm_expr_result2(as, l, p, EXPR_SECTCONST \| EXPR_PASS1CONST, &v, 0);
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	410 if (r < 0)
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	411 v = 0;
64 aaddd47219b4 Added the 'set' directive lost parents: 63 diff changeset	412
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	413 l -> symaddr = v & 0xFFFF;
64 aaddd47219b4 Added the 'set' directive lost parents: 63 diff changeset	414 l -> addrset = 2;
aaddd47219b4 Added the 'set' directive lost parents: 63 diff changeset	415
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	416 lwasm_register_symbol(as, l, l -> sym, v, (r > 0 ? SYMBOL_COMPLEX: SYMBOL_NORM) \| SYMBOL_SET);
63 d85ba47b1e8f Moved symbol registration so symbols that are in skipped code do not get registered and so EQU/SET can do their own registration lost parents: 57 diff changeset	417 }
d85ba47b1e8f Moved symbol registration so symbols that are in skipped code do not get registered and so EQU/SET can do their own registration lost parents: 57 diff changeset	418
65 31d8e85706e7 Implemented setdp and corrected handling of direct page detection in insn_gen_aux() lost parents: 64 diff changeset	419 OPFUNC(pseudo_setdp)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	420 {
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	421 int r, v;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	422
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	423 if (as -> outformat == OUTPUT_OBJ)
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	424 {
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	425 register_error(as, l, 1, "SETDP not permitted with OBJ target");
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	426 return;
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	427 }
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	428
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	429 // setdp is needed on both passes; must resolve to a constant on pass 1
103 26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	430 r = lwasm_expr_result2(as, l, p, EXPR_SECTCONST \| EXPR_PASS1CONST, &v, 0);
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	431 if (r != 0)
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	432 return;
65 31d8e85706e7 Implemented setdp and corrected handling of direct page detection in insn_gen_aux() lost parents: 64 diff changeset	433
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	434 if (v < -127 \|\| v > 255)
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	435 {
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	436 register_error(as, l, 1, "Byte overflow");
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	437 return;
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	438 }
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	439
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	440 l -> symaddr = v & 0xFF;
65 31d8e85706e7 Implemented setdp and corrected handling of direct page detection in insn_gen_aux() lost parents: 64 diff changeset	441 l -> addrset = 2;
31d8e85706e7 Implemented setdp and corrected handling of direct page detection in insn_gen_aux() lost parents: 64 diff changeset	442
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	443 as -> dpval = v & 0xFF;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	444 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	445
160 b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	446 // used to get a byte from a string
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	447 // -1 is end of line
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	448 int pseudo_fcc_fetchchar(asmstate_t as, char *p)
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	449 {
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	450 int c;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	451
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	452 // -
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	453 if (!**p)
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	454 return -1;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	455
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	456 c = (unsigned char)(**p);
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	457 (*p)++;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	458
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	459 if (as -> pragmas & PRAGMA_CESCAPES && c == '\\')
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	460 {
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	461 // decode escapes if needed
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	462 if (!**p)
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	463 return c;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	464
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	465 c = **p;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	466 (*p)++;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	467
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	468 switch (c)
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	469 {
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	470 // octal value
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	471 // 1, 2, or 3 digits
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	472 // NOTE: \0 for NUL is included in this...
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	473 case '0':
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	474 case '1':
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	475 case '2':
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	476 case '3':
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	477 case '4':
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	478 case '5':
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	479 case '6':
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	480 case '7':
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	481 c -= '0';
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	482 if (p < '0' \|\| p > '9')
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	483 return c;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	484 c = c << 3;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	485 c \|= **p - '0';
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	486 (*p)++;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	487 if (p < '0' \|\| p > '9')
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	488 return c;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	489 c = c << 3;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	490 c \|= **p - '0';
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	491 (*p)++;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	492 return c;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	493
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	494 // LF
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	495 case 'n':
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	496 return 10;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	497
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	498 // CR
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	499 case 'r':
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	500 return 13;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	501
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	502 // TAB
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	503 case 't':
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	504 return 9;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	505
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	506 // VT
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	507 case 'v':
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	508 return 11;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	509
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	510 // BS
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	511 case 'b':
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	512 return 8;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	513
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	514 // FF
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	515 case 'f':
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	516 return 12;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	517
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	518 // BEL
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	519 case 'a':
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	520 return 7;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	521
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	522 // hex char code (2 chars)
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	523 case 'x':
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	524 {
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	525 int c2;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	526 if (!**p)
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	527 return 'x';
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	528 c = toupper(**p);
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	529 (*p)++;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	530 if (c < '0' \|\| (c > '9' && c < 'A') \|\| c > 'F')
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	531 return 0;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	532 c -= '0';
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	533 if (c > 9)
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	534 c -= 7;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	535 c2 = c << 4;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	536 if (!**p)
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	537 return 0;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	538 c = toupper(**p);
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	539 (*p)++;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	540 if (c < '0' \|\| (c > '9' && c < 'A') \|\| c > 'F')
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	541 return 0;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	542 c -= '0';
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	543 if (c > 9)
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	544 c -= 7;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	545 c2 \|= c;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	546 return c2;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	547 }
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	548 // everything else stands for itself as a fall back or legit
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	549 default:
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	550 return c;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	551 }
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	552 }
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	553 return c;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	554 }
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	555
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	556 OPFUNC(pseudo_fcc)
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	557 {
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	558 int delim = 0;
160 b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	559 int c;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	560
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	561 delim = **p;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	562 if (!delim)
57495da01900 Initial checking of LWASM lost parents: diff changeset	563 {
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	564 register_error(as, l, 1, "Bad operand");
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	565 return;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	566 }
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	567 *p += 1;
160 b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	568 for (;;)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	569 {
160 b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	570 c = pseudo_fcc_fetchchar(as, p);
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	571 if (c == delim \|\| c < 0)
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	572 break;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	573
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	574 lwasm_emit(as, l, c);
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	575 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	576 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	577
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	578
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	579 OPFUNC(pseudo_fcs)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	580 {
57495da01900 Initial checking of LWASM lost parents: diff changeset	581 int delim = 0;
160 b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	582 int c, lc = -1;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	583
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	584 delim = **p;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	585 if (!delim)
57495da01900 Initial checking of LWASM lost parents: diff changeset	586 {
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	587 register_error(as, l, 1, "Bad operand");
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	588 return;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	589 }
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	590 *p += 1;
160 b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	591 for (;;)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	592 {
160 b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	593 c = pseudo_fcc_fetchchar(as, p);
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	594 if (c == delim \|\| c < 0)
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	595 {
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	596 if (lc >= 0)
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	597 lwasm_emit(as, l, lc \| 0x80);
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	598 break;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	599 }
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	600 if (lc >= 0)
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	601 lwasm_emit(as, l, lc);
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	602 lc = c;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	603 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	604 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	605
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	606 OPFUNC(pseudo_fcn)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	607 {
57495da01900 Initial checking of LWASM lost parents: diff changeset	608 int delim = 0;
160 b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	609 int c;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	610
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	611 delim = **p;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	612 if (!delim)
57495da01900 Initial checking of LWASM lost parents: diff changeset	613 {
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	614 register_error(as, l, 1, "Bad operand");
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	615 return;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	616 }
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	617 *p += 1;
160 b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	618 for (;;)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	619 {
160 b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	620 c = pseudo_fcc_fetchchar(as, p);
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	621 if (c == delim \|\| c < 0)
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	622 break;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	623
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	624 lwasm_emit(as, l, c);
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	625 }
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	626 lwasm_emit(as, l, 0);
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	627 }
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	628
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	629 OPFUNC(pseudo_fcb)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	630 {
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	631 int r, v;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	632
57495da01900 Initial checking of LWASM lost parents: diff changeset	633 fcb_again:
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	634 r = lwasm_expr_result2(as, l, p, 0, &v, -1);
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	635 if (r < 0)
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	636 return;
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	637
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	638 if (r > 0)
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	639 {
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	640 register_error(as, l, 2, "Illegal external or inter-segment reference");
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	641 v = 0;
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	642 }
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	643
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	644 if (v < -127 \|\| v > 255)
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	645 {
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	646 register_error(as, l, 1, "Byte overflow");
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	647 }
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	648
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	649 lwasm_emit(as, l, v);
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	650 if (**p == ',')
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	651 {
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	652 (*p)++;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	653 goto fcb_again;
57495da01900 Initial checking of LWASM lost parents: diff changeset	654 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	655 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	656
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	657 // FIXME: handle external references in an intelligent way
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	658 OPFUNC(pseudo_fdb)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	659 {
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	660 int r, v;
103 26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	661 int extseen = 0;
26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	662 char *p1;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	663
57495da01900 Initial checking of LWASM lost parents: diff changeset	664 fdb_again:
103 26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	665 p1 = *p;
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	666 r = lwasm_expr_result2(as, l, p, 0, &v, -1);
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	667 if (r < 0)
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	668 return;
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	669
103 26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	670 if (r > 0 && extseen == 1)
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	671 {
103 26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	672 register_error(as, l, 2, "Illegal external or inter-segment reference (only 1 per FDB line)");
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	673 v = 0;
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	674 }
103 26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	675 else if (r > 0)
26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	676 {
26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	677 l -> relocoff = as -> addr - l -> codeaddr;
26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	678 *p = p1;
26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	679 r = lwasm_expr_result2(as, l, p, 0, &v, 0);
26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	680 }
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	681
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	682 lwasm_emit(as, l, v >> 8);
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	683 lwasm_emit(as, l, v & 0xff);
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	684 if (**p == ',')
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	685 {
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	686 (*p)++;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	687 goto fdb_again;
57495da01900 Initial checking of LWASM lost parents: diff changeset	688 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	689 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	690
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	691 // FIXME: handle external references in a sensible way
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	692 OPFUNC(pseudo_fqb)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	693 {
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	694 int r, v;
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	695
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	696 fqb_again:
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	697 r = lwasm_expr_result2(as, l, p, 0, &v, -1);
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	698 if (r < 0)
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	699 return;
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	700
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	701 if (r > 0)
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	702 {
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	703 register_error(as, l, 2, "Illegal external or inter-segment reference");
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	704 v = 0;
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	705 }
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	706
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	707 lwasm_emit(as, l, v >> 24);
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	708 lwasm_emit(as, l, v >> 16);
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	709 lwasm_emit(as, l, v >> 8);
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	710 lwasm_emit(as, l, v & 0xff);
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	711 if (**p == ',')
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	712 {
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	713 (*p)++;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	714 goto fqb_again;
57495da01900 Initial checking of LWASM lost parents: diff changeset	715 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	716 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	717
57495da01900 Initial checking of LWASM lost parents: diff changeset	718 // don't need to do anything if we are executing one of these
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	719 OPFUNC(pseudo_endc)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	720 {
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	721 if (as -> skipcond && !(as -> skipmacro))
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	722 {
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	723 as -> skipcount -= 1;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	724 if (as -> skipcount <= 0)
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	725 {
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	726 as -> skipcond = 0;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	727 }
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	728 }
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	729 return;
57495da01900 Initial checking of LWASM lost parents: diff changeset	730 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	731
57495da01900 Initial checking of LWASM lost parents: diff changeset	732 // if "else" executes, we must be going into an "ignore" state
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	733 OPFUNC(pseudo_else)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	734 {
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	735 if (as -> skipmacro)
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	736 return;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	737
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	738 if (as -> skipcond)
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	739 {
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	740 if (as -> skipcount == 1)
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	741 {
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	742 as -> skipcount = 0;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	743 as -> skipcond = 0;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	744 }
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	745 return;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	746 }
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	747
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	748 as -> skipcond = 1;
57495da01900 Initial checking of LWASM lost parents: diff changeset	749 as -> skipcount = 1;
57495da01900 Initial checking of LWASM lost parents: diff changeset	750 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	751
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	752 OPFUNC(pseudo_ifne)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	753 {
57495da01900 Initial checking of LWASM lost parents: diff changeset	754 int v1;
57495da01900 Initial checking of LWASM lost parents: diff changeset	755 int rval;
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	756
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	757 if (as -> skipcond && !(as -> skipmacro))
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	758 {
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	759 as -> skipcount++;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	760 return;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	761 }
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	762
103 26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	763 rval = lwasm_expr_result2(as, l, p, EXPR_SECTCONST \| EXPR_PASS1CONST, &v1, 0);
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	764 if (rval != 0)
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	765 return;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	766 if (!v1)
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	767 {
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	768 as -> skipcond = 1;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	769 as -> skipcount = 1;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	770 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	771 }
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	772
104 2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	773 OPFUNC(pseudo_ifdef)
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	774 {
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	775 lwasm_symbol_ent_t *se;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	776 char *sym;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	777 char *p2;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	778
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	779 if (as -> skipcond && !(as -> skipmacro))
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	780 {
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	781 as -> skipcount++;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	782 return;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	783 }
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	784
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	785 if (as -> passnum != 1)
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	786 {
229 59a138df0401 Fixed additional parsing problems with pseudo ops lost parents: 225 diff changeset	787 skip_operand(p);
104 2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	788 if (!(l -> fsize))
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	789 {
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	790 as -> skipcond = 1;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	791 as -> skipcount = 1;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	792 }
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	793 return;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	794 }
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	795
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	796 if (!**p)
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	797 {
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	798 register_error(as, l, 1, "Need symbol name");
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	799 return;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	800 }
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	801
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	802 for (p2 = p; p2 && !isspace(*p2); p2++)
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	803 /* do nothing */ ;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	804
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	805 sym = lwasm_alloc(p2 - *p + 1);
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	806 memcpy(sym, p, p2 - p);
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	807 sym[p2 - *p] = '\0';
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	808
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	809 *p = p2;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	810
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	811 se = lwasm_find_symbol(as, sym, l -> context);
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	812 if (!se)
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	813 se = lwasm_find_symbol(as, sym, -1);
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	814
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	815 lwasm_free(sym);
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	816
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	817 if (!se)
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	818 {
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	819 as -> skipcond = 1;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	820 as -> skipcount = 1;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	821 l -> fsize = 0;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	822 }
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	823 else
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	824 {
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	825 l -> fsize = 1;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	826 }
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	827 }
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	828
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	829 OPFUNC(pseudo_ifndef)
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	830 {
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	831 lwasm_symbol_ent_t *se;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	832 char *sym;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	833 char *p2;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	834
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	835 if (as -> skipcond && !(as -> skipmacro))
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	836 {
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	837 as -> skipcount++;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	838 return;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	839 }
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	840
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	841 if (as -> passnum != 1)
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	842 {
229 59a138df0401 Fixed additional parsing problems with pseudo ops lost parents: 225 diff changeset	843 skip_operand(p);
104 2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	844 if (l -> fsize)
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	845 {
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	846 as -> skipcond = 1;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	847 as -> skipcount = 1;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	848 }
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	849 return;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	850 }
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	851
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	852 if (!**p)
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	853 {
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	854 register_error(as, l, 1, "Need symbol name");
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	855 return;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	856 }
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	857
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	858 for (p2 = p; p2 && !isspace(*p2); p2++)
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	859 /* do nothing */ ;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	860
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	861 sym = lwasm_alloc(p2 - *p + 1);
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	862 memcpy(sym, p, p2 - p);
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	863 sym[p2 - *p] = '\0';
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	864
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	865 *p = p2;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	866
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	867 se = lwasm_find_symbol(as, sym, l -> context);
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	868 if (!se)
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	869 se = lwasm_find_symbol(as, sym, -1);
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	870
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	871 lwasm_free(sym);
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	872
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	873 if (se)
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	874 {
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	875 as -> skipcond = 1;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	876 as -> skipcount = 1;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	877 l -> fsize = 0;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	878 }
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	879 else
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	880 {
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	881 l -> fsize = 1;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	882 }
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	883 }
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	884
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	885 OPFUNC(pseudo_ifeq)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	886 {
57495da01900 Initial checking of LWASM lost parents: diff changeset	887 int v1;
57495da01900 Initial checking of LWASM lost parents: diff changeset	888 int rval;
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	889
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	890 if (as -> skipcond && !(as -> skipmacro))
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	891 {
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	892 as -> skipcount++;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	893 return;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	894 }
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	895
103 26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	896 rval = lwasm_expr_result2(as, l, p, EXPR_SECTCONST \| EXPR_PASS1CONST, &v1, 0);
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	897 if (rval != 0)
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	898 return;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	899 if (v1)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	900 {
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	901 as -> skipcond = 1;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	902 as -> skipcount = 1;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	903 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	904 }
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	905
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	906 OPFUNC(pseudo_iflt)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	907 {
57495da01900 Initial checking of LWASM lost parents: diff changeset	908 int v1;
57495da01900 Initial checking of LWASM lost parents: diff changeset	909 int rval;
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	910
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	911 if (as -> skipcond && !(as -> skipmacro))
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	912 {
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	913 as -> skipcount++;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	914 return;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	915 }
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	916
103 26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	917 rval = lwasm_expr_result2(as, l, p, EXPR_SECTCONST \| EXPR_PASS1CONST, &v1, 0);
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	918 if (rval != 0)
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	919 return;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	920 if (v1 >= 0)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	921 {
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	922 as -> skipcond = 1;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	923 as -> skipcount = 1;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	924 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	925 }
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	926
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	927 OPFUNC(pseudo_ifle)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	928 {
57495da01900 Initial checking of LWASM lost parents: diff changeset	929 int v1;
57495da01900 Initial checking of LWASM lost parents: diff changeset	930 int rval;
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	931
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	932 if (as -> skipcond && !(as -> skipmacro))
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	933 {
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	934 as -> skipcount++;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	935 return;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	936 }
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	937
103 26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	938 rval = lwasm_expr_result2(as, l, p, EXPR_SECTCONST \| EXPR_PASS1CONST, &v1, 0);
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	939 if (rval != 0)
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	940 return;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	941 if (v1 > 0)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	942 {
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	943 as -> skipcond = 1;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	944 as -> skipcount = 1;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	945 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	946 }
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	947
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	948 OPFUNC(pseudo_ifgt)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	949 {
57495da01900 Initial checking of LWASM lost parents: diff changeset	950 int v1;
57495da01900 Initial checking of LWASM lost parents: diff changeset	951 int rval;
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	952
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	953 if (as -> skipcond && !(as -> skipmacro))
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	954 {
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	955 as -> skipcount++;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	956 return;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	957 }
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	958
103 26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	959 rval = lwasm_expr_result2(as, l, p, EXPR_SECTCONST \| EXPR_PASS1CONST, &v1, 0);
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	960 if (rval != 0)
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	961 return;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	962 if (v1 <= 0)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	963 {
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	964 as -> skipcond = 1;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	965 as -> skipcount = 1;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	966 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	967 }
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	968
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	969 OPFUNC(pseudo_ifge)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	970 {
57495da01900 Initial checking of LWASM lost parents: diff changeset	971 int v1;
57495da01900 Initial checking of LWASM lost parents: diff changeset	972 int rval;
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	973
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	974 if (as -> skipcond && !(as -> skipmacro))
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	975 {
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	976 as -> skipcount++;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	977 return;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	978 }
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	979
103 26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	980 rval = lwasm_expr_result2(as, l, p, EXPR_SECTCONST \| EXPR_PASS1CONST, &v1, 0);
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	981 if (rval != 0)
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	982 return;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	983 if (v1 < 0)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	984 {
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	985 as -> skipcond = 1;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	986 as -> skipcount = 1;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	987 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	988 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	989
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	990 OPFUNC(pseudo_error)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	991 {
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	992 register_error(as, l, 1, "User error: %s", *p);
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	993 }
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	994
74 c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	995
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	996 OPFUNC(pseudo_section)
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	997 {
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	998 sectiontab_t *s;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	999 char *p2;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1000 char *sn;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1001 char *opts;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1002
99 3dcb12a6f4ff Fixed problem handling sections with options on pass 2 lost parents: 95 diff changeset	1003
74 c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1004 if (as -> outformat != OUTPUT_OBJ)
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1005 {
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1006 register_error(as, l, 1, "Sections only supported for obj target");
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1007 return;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1008 }
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1009
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1010 if (as -> csect)
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1011 {
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1012 as -> csect -> offset = as -> addr;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1013 as -> csect = NULL;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1014 }
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1015
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1016 if (!**p)
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1017 {
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1018 register_error(as, l, 1, "Need section name");
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1019 return;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1020 }
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1021
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1022 for (p2 = p; p2 && !isspace(*p2); p2++)
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1023 /* do nothing */ ;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1024
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1025 sn = lwasm_alloc(p2 - *p + 1);
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1026 memcpy(sn, p, p2 - p);
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1027 sn[p2 - *p] = '\0';
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1028
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1029 *p = p2;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1030
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1031 opts = strchr(sn, ',');
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1032 if (opts)
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1033 {
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1034 *opts++ = '\0';
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1035 }
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1036
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1037 // have we seen the section name already?
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1038 for (s = as -> sections; s; s = s -> next)
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1039 {
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1040 if (!strcmp(s -> name, sn))
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1041 break;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1042 }
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1043
99 3dcb12a6f4ff Fixed problem handling sections with options on pass 2 lost parents: 95 diff changeset	1044 if (s && as -> passnum == 1)
74 c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1045 {
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1046 lwasm_free(sn);
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1047 if (opts)
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1048 {
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1049 register_error(as, l, 1, "Section options can only be specified the first time");
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1050 return;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1051 }
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1052 }
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1053 else if (!s)
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1054 {
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1055 s = lwasm_alloc(sizeof(sectiontab_t));
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1056 s -> name = sn;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1057 s -> offset = 0;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1058 s -> flags = 0;
85 918be0c02239 Started adding object target output lost parents: 82 diff changeset	1059 s -> obytes = NULL;
918be0c02239 Started adding object target output lost parents: 82 diff changeset	1060 s -> oblen = 0;
918be0c02239 Started adding object target output lost parents: 82 diff changeset	1061 s -> obsize = 0;
86 033a328a10ae Checkpoint: object target output lost parents: 85 diff changeset	1062 s -> rl = NULL;
90 6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1063 s -> exports = NULL;
160 b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	1064 // if name of section is "bss" or ".bss", assume bss flag
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	1065 // which can be overridden with !bss flag
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	1066 if (!strcasecmp(sn, "bss") \|\| !strcasecmp(sn, ".bss"))
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	1067 s -> flags = SECTION_BSS;
74 c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1068 // parse options; only one "bss"
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1069 if (opts && as -> passnum == 1)
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1070 {
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1071 if (!strcasecmp(opts, "bss"))
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1072 {
160 b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	1073 s -> flags \|= SECTION_BSS;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	1074 }
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	1075 else if (!strcasecmp(opts, "!bss"))
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	1076 {
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	1077 s -> flags &= ~SECTION_BSS;
74 c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1078 }
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1079 else
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1080 {
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1081 register_error(as, l, 1, "Unrecognized section option '%s'", opts);
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1082 lwasm_free(s -> name);
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1083 lwasm_free(s);
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1084 return;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1085 }
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1086 }
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1087
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1088 s -> next = as -> sections;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1089 as -> sections = s;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1090 }
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1091 as -> addr = s -> offset;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1092 as -> csect = s;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1093 as -> context = lwasm_next_context(as);
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1094 }
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1095
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1096 OPFUNC(pseudo_endsection)
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1097 {
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1098 if (as -> outformat != OUTPUT_OBJ)
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1099 {
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1100 register_error(as, l, 1, "Sections only supported for obj target");
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1101 return;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1102 }
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1103
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1104 if (!(as -> csect))
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1105 {
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1106 register_error(as, l, 1, "ENDSECTION when not in a section");
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1107 return;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1108 }
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1109
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1110 as -> csect -> offset = as -> addr;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1111 as -> addr = 0;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1112 as -> csect = 0;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1113 as -> context = lwasm_next_context(as);
229 59a138df0401 Fixed additional parsing problems with pseudo ops lost parents: 225 diff changeset	1114 skip_operand(p);
74 c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1115 }
82 03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	1116
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	1117 OPFUNC(pseudo_extern)
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	1118 {
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	1119 if (as -> passnum != 1)
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	1120 return;
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	1121
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	1122 if (as -> outformat != OUTPUT_OBJ)
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	1123 {
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	1124 register_error(as, l, 1, "External references only supported for obj target");
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	1125 return;
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	1126 }
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	1127
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	1128 if (as -> csect)
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	1129 {
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	1130 register_error(as, l, 1, "Cannot declare external symbols within a section");
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	1131 return;
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	1132 }
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	1133
221 271c0ef9ea60 Fixed segfault in import/extern pseudo op lost parents: 212 diff changeset	1134 if (l -> sym)
271c0ef9ea60 Fixed segfault in import/extern pseudo op lost parents: 212 diff changeset	1135 {
271c0ef9ea60 Fixed segfault in import/extern pseudo op lost parents: 212 diff changeset	1136 lwasm_register_symbol(as, l, l -> sym, 0, SYMBOL_EXTERN);
229 59a138df0401 Fixed additional parsing problems with pseudo ops lost parents: 225 diff changeset	1137 for ( ; *p; (p)++) ;
221 271c0ef9ea60 Fixed segfault in import/extern pseudo op lost parents: 212 diff changeset	1138 return;
271c0ef9ea60 Fixed segfault in import/extern pseudo op lost parents: 212 diff changeset	1139 }
271c0ef9ea60 Fixed segfault in import/extern pseudo op lost parents: 212 diff changeset	1140
271c0ef9ea60 Fixed segfault in import/extern pseudo op lost parents: 212 diff changeset	1141 while (**p)
271c0ef9ea60 Fixed segfault in import/extern pseudo op lost parents: 212 diff changeset	1142 {
271c0ef9ea60 Fixed segfault in import/extern pseudo op lost parents: 212 diff changeset	1143 char sym2, sym3;
271c0ef9ea60 Fixed segfault in import/extern pseudo op lost parents: 212 diff changeset	1144 for (sym2 = p; p && !isspace(p) && p != ','; (p)++)
271c0ef9ea60 Fixed segfault in import/extern pseudo op lost parents: 212 diff changeset	1145 /* do nothing */ ;
271c0ef9ea60 Fixed segfault in import/extern pseudo op lost parents: 212 diff changeset	1146
271c0ef9ea60 Fixed segfault in import/extern pseudo op lost parents: 212 diff changeset	1147 if (l -> sym)
271c0ef9ea60 Fixed segfault in import/extern pseudo op lost parents: 212 diff changeset	1148 lwasm_free(l -> sym);
271c0ef9ea60 Fixed segfault in import/extern pseudo op lost parents: 212 diff changeset	1149
271c0ef9ea60 Fixed segfault in import/extern pseudo op lost parents: 212 diff changeset	1150 sym3 = lwasm_alloc(*p - sym2 + 1);
271c0ef9ea60 Fixed segfault in import/extern pseudo op lost parents: 212 diff changeset	1151 memcpy(sym3, sym2, *p - sym2);
271c0ef9ea60 Fixed segfault in import/extern pseudo op lost parents: 212 diff changeset	1152 sym3[*p - sym2] = '\0';
271c0ef9ea60 Fixed segfault in import/extern pseudo op lost parents: 212 diff changeset	1153
271c0ef9ea60 Fixed segfault in import/extern pseudo op lost parents: 212 diff changeset	1154 l -> sym = sym3;
271c0ef9ea60 Fixed segfault in import/extern pseudo op lost parents: 212 diff changeset	1155 debug_message(2, "import symbol: '%s'", sym3);
271c0ef9ea60 Fixed segfault in import/extern pseudo op lost parents: 212 diff changeset	1156 lwasm_register_symbol(as, l, l -> sym, 0, SYMBOL_EXTERN);
271c0ef9ea60 Fixed segfault in import/extern pseudo op lost parents: 212 diff changeset	1157 if (p && (p != ','))
271c0ef9ea60 Fixed segfault in import/extern pseudo op lost parents: 212 diff changeset	1158 {
271c0ef9ea60 Fixed segfault in import/extern pseudo op lost parents: 212 diff changeset	1159 register_error(as, l, 1, "Bad import list");
271c0ef9ea60 Fixed segfault in import/extern pseudo op lost parents: 212 diff changeset	1160 return;
271c0ef9ea60 Fixed segfault in import/extern pseudo op lost parents: 212 diff changeset	1161 }
271c0ef9ea60 Fixed segfault in import/extern pseudo op lost parents: 212 diff changeset	1162 if (**p == ',')
271c0ef9ea60 Fixed segfault in import/extern pseudo op lost parents: 212 diff changeset	1163 (*p)++;
271c0ef9ea60 Fixed segfault in import/extern pseudo op lost parents: 212 diff changeset	1164 }
271c0ef9ea60 Fixed segfault in import/extern pseudo op lost parents: 212 diff changeset	1165 if (!(l -> sym))
271c0ef9ea60 Fixed segfault in import/extern pseudo op lost parents: 212 diff changeset	1166 register_error(as, l, 1, "Bad import list");
82 03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	1167 }
90 6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1168
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1169 OPFUNC(pseudo_export)
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1170 {
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1171 lwasm_symbol_ent_t *se;
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1172 export_list_t *ex;
158 f0527dc3804d Added support for .globl <sym>, .area <section>, .word, .byte, .blkb, and a .module directive that does nothing lost parents: 151 diff changeset	1173 char sym2, sym3;
192 bfd0fb0a85c2 Allow exporting multiple symbols on a single directive lost parents: 190 diff changeset	1174 int after = 0;
158 f0527dc3804d Added support for .globl <sym>, .area <section>, .word, .byte, .blkb, and a .module directive that does nothing lost parents: 151 diff changeset	1175
90 6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1176 if (as -> outformat != OUTPUT_OBJ)
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1177 {
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1178 register_error(as, l, 1, "Symbol exports only supported for obj target");
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1179 return;
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1180 }
158 f0527dc3804d Added support for .globl <sym>, .area <section>, .word, .byte, .blkb, and a .module directive that does nothing lost parents: 151 diff changeset	1181
90 6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1182 if (as -> passnum == 1)
229 59a138df0401 Fixed additional parsing problems with pseudo ops lost parents: 225 diff changeset	1183 {
59a138df0401 Fixed additional parsing problems with pseudo ops lost parents: 225 diff changeset	1184 skip_operand(p);
90 6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1185 return;
229 59a138df0401 Fixed additional parsing problems with pseudo ops lost parents: 225 diff changeset	1186 }
59a138df0401 Fixed additional parsing problems with pseudo ops lost parents: 225 diff changeset	1187
59a138df0401 Fixed additional parsing problems with pseudo ops lost parents: 225 diff changeset	1188 if (l -> sym)
59a138df0401 Fixed additional parsing problems with pseudo ops lost parents: 225 diff changeset	1189 {
59a138df0401 Fixed additional parsing problems with pseudo ops lost parents: 225 diff changeset	1190 for ( ; *p; (p)++) ;
59a138df0401 Fixed additional parsing problems with pseudo ops lost parents: 225 diff changeset	1191 }
90 6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1192
192 bfd0fb0a85c2 Allow exporting multiple symbols on a single directive lost parents: 190 diff changeset	1193 again:
bfd0fb0a85c2 Allow exporting multiple symbols on a single directive lost parents: 190 diff changeset	1194 if (!(l -> sym) \|\| after == 1)
158 f0527dc3804d Added support for .globl <sym>, .area <section>, .word, .byte, .blkb, and a .module directive that does nothing lost parents: 151 diff changeset	1195 {
192 bfd0fb0a85c2 Allow exporting multiple symbols on a single directive lost parents: 190 diff changeset	1196
bfd0fb0a85c2 Allow exporting multiple symbols on a single directive lost parents: 190 diff changeset	1197 after = 1;
158 f0527dc3804d Added support for .globl <sym>, .area <section>, .word, .byte, .blkb, and a .module directive that does nothing lost parents: 151 diff changeset	1198 // look for symbol after op
f0527dc3804d Added support for .globl <sym>, .area <section>, .word, .byte, .blkb, and a .module directive that does nothing lost parents: 151 diff changeset	1199 if (**p)
f0527dc3804d Added support for .globl <sym>, .area <section>, .word, .byte, .blkb, and a .module directive that does nothing lost parents: 151 diff changeset	1200 {
192 bfd0fb0a85c2 Allow exporting multiple symbols on a single directive lost parents: 190 diff changeset	1201 for (sym2 = p; p && !isspace(p) && p != ','; (p)++)
162 02ada556bcc0 Fixed stupid error with for loop lost parents: 160 diff changeset	1202 /* do nothing */ ;
192 bfd0fb0a85c2 Allow exporting multiple symbols on a single directive lost parents: 190 diff changeset	1203
bfd0fb0a85c2 Allow exporting multiple symbols on a single directive lost parents: 190 diff changeset	1204 debug_message(2, "export expression: %s", sym2);
bfd0fb0a85c2 Allow exporting multiple symbols on a single directive lost parents: 190 diff changeset	1205 if (l -> sym)
bfd0fb0a85c2 Allow exporting multiple symbols on a single directive lost parents: 190 diff changeset	1206 lwasm_free(l -> sym);
158 f0527dc3804d Added support for .globl <sym>, .area <section>, .word, .byte, .blkb, and a .module directive that does nothing lost parents: 151 diff changeset	1207 sym3 = lwasm_alloc(*p - sym2 + 1);
f0527dc3804d Added support for .globl <sym>, .area <section>, .word, .byte, .blkb, and a .module directive that does nothing lost parents: 151 diff changeset	1208 memcpy(sym3, sym2, *p - sym2);
f0527dc3804d Added support for .globl <sym>, .area <section>, .word, .byte, .blkb, and a .module directive that does nothing lost parents: 151 diff changeset	1209 sym3[*p - sym2] = '\0';
f0527dc3804d Added support for .globl <sym>, .area <section>, .word, .byte, .blkb, and a .module directive that does nothing lost parents: 151 diff changeset	1210
f0527dc3804d Added support for .globl <sym>, .area <section>, .word, .byte, .blkb, and a .module directive that does nothing lost parents: 151 diff changeset	1211 l -> sym = sym3;
192 bfd0fb0a85c2 Allow exporting multiple symbols on a single directive lost parents: 190 diff changeset	1212 debug_message(2, "export symbol: '%s'", sym3);
158 f0527dc3804d Added support for .globl <sym>, .area <section>, .word, .byte, .blkb, and a .module directive that does nothing lost parents: 151 diff changeset	1213 }
f0527dc3804d Added support for .globl <sym>, .area <section>, .word, .byte, .blkb, and a .module directive that does nothing lost parents: 151 diff changeset	1214 }
f0527dc3804d Added support for .globl <sym>, .area <section>, .word, .byte, .blkb, and a .module directive that does nothing lost parents: 151 diff changeset	1215 if (!(l -> sym))
f0527dc3804d Added support for .globl <sym>, .area <section>, .word, .byte, .blkb, and a .module directive that does nothing lost parents: 151 diff changeset	1216 {
f0527dc3804d Added support for .globl <sym>, .area <section>, .word, .byte, .blkb, and a .module directive that does nothing lost parents: 151 diff changeset	1217 register_error(as, l, 2, "No symbol");
f0527dc3804d Added support for .globl <sym>, .area <section>, .word, .byte, .blkb, and a .module directive that does nothing lost parents: 151 diff changeset	1218 return;
f0527dc3804d Added support for .globl <sym>, .area <section>, .word, .byte, .blkb, and a .module directive that does nothing lost parents: 151 diff changeset	1219 }
f0527dc3804d Added support for .globl <sym>, .area <section>, .word, .byte, .blkb, and a .module directive that does nothing lost parents: 151 diff changeset	1220
f0527dc3804d Added support for .globl <sym>, .area <section>, .word, .byte, .blkb, and a .module directive that does nothing lost parents: 151 diff changeset	1221
90 6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1222 // the symbol better be defined at this point (pass 2)
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1223 // local symbols cannot be exported nor can "global" symbols
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1224 se = lwasm_find_symbol(as, l -> sym, -1);
202 1a75121c3c3f Yet again try to get importing undefined exports working lost parents: 201 diff changeset	1225 if ((!se \|\| (se -> flags & SYMBOL_EXTERN)) && (as -> pragmas & PRAGMA_IMPORTUNDEFEXPORT))
198 6ddc861a07d4 Allow export to import undefined symbols lost parents: 192 diff changeset	1226 {
201 7824f94c5786 take 2: importing undefined exports lost parents: 199 diff changeset	1227 void *p;
7824f94c5786 take 2: importing undefined exports lost parents: 199 diff changeset	1228 p = as -> csect;
7824f94c5786 take 2: importing undefined exports lost parents: 199 diff changeset	1229 as -> csect = NULL;
198 6ddc861a07d4 Allow export to import undefined symbols lost parents: 192 diff changeset	1230 lwasm_register_symbol(as, l, l -> sym, 0, SYMBOL_EXTERN);
201 7824f94c5786 take 2: importing undefined exports lost parents: 199 diff changeset	1231 as -> csect = p;
198 6ddc861a07d4 Allow export to import undefined symbols lost parents: 192 diff changeset	1232 }
199 188037f0397c Allow export to import undefined symbols lost parents: 198 diff changeset	1233 else
90 6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1234 {
201 7824f94c5786 take 2: importing undefined exports lost parents: 199 diff changeset	1235 if (!se)
199 188037f0397c Allow export to import undefined symbols lost parents: 198 diff changeset	1236 {
188037f0397c Allow export to import undefined symbols lost parents: 198 diff changeset	1237 register_error(as, l, 2, "Exported symbols must be fully defined within a section");
188037f0397c Allow export to import undefined symbols lost parents: 198 diff changeset	1238 return;
188037f0397c Allow export to import undefined symbols lost parents: 198 diff changeset	1239 }
188037f0397c Allow export to import undefined symbols lost parents: 198 diff changeset	1240 if (se -> sect == NULL)
188037f0397c Allow export to import undefined symbols lost parents: 198 diff changeset	1241 {
188037f0397c Allow export to import undefined symbols lost parents: 198 diff changeset	1242 register_error(as, l, 2, "Only non-local symbols within a section can be exported");
188037f0397c Allow export to import undefined symbols lost parents: 198 diff changeset	1243 return;
188037f0397c Allow export to import undefined symbols lost parents: 198 diff changeset	1244 }
90 6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1245
199 188037f0397c Allow export to import undefined symbols lost parents: 198 diff changeset	1246 if (se -> flags & SYMBOL_SET)
188037f0397c Allow export to import undefined symbols lost parents: 198 diff changeset	1247 {
188037f0397c Allow export to import undefined symbols lost parents: 198 diff changeset	1248 register_error(as, l, 2, "You cannot export symbols defined with SET");
188037f0397c Allow export to import undefined symbols lost parents: 198 diff changeset	1249 return;
188037f0397c Allow export to import undefined symbols lost parents: 198 diff changeset	1250 }
90 6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1251
199 188037f0397c Allow export to import undefined symbols lost parents: 198 diff changeset	1252 // if the symbol is not already a simple value, re-evaluate it
188037f0397c Allow export to import undefined symbols lost parents: 198 diff changeset	1253 // and see if it becomes simple
90 6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1254
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1255
199 188037f0397c Allow export to import undefined symbols lost parents: 198 diff changeset	1256 if (se -> flags & SYMBOL_COMPLEX)
188037f0397c Allow export to import undefined symbols lost parents: 198 diff changeset	1257 {
188037f0397c Allow export to import undefined symbols lost parents: 198 diff changeset	1258 register_error(as, l, 2, "Exported symbols must be fully resolved on pass 2");
188037f0397c Allow export to import undefined symbols lost parents: 198 diff changeset	1259 return;
188037f0397c Allow export to import undefined symbols lost parents: 198 diff changeset	1260 }
90 6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1261
199 188037f0397c Allow export to import undefined symbols lost parents: 198 diff changeset	1262 // search for existing export
188037f0397c Allow export to import undefined symbols lost parents: 198 diff changeset	1263 for (ex = se -> sect -> exports; ex; ex = ex -> next)
188037f0397c Allow export to import undefined symbols lost parents: 198 diff changeset	1264 if (!strcmp(l -> sym, ex -> sym))
188037f0397c Allow export to import undefined symbols lost parents: 198 diff changeset	1265 break;
188037f0397c Allow export to import undefined symbols lost parents: 198 diff changeset	1266 if (ex)
188037f0397c Allow export to import undefined symbols lost parents: 198 diff changeset	1267 {
188037f0397c Allow export to import undefined symbols lost parents: 198 diff changeset	1268 register_error(as, l, 2, "Symbol %s already exported", l -> sym);
188037f0397c Allow export to import undefined symbols lost parents: 198 diff changeset	1269 return;
188037f0397c Allow export to import undefined symbols lost parents: 198 diff changeset	1270 }
188037f0397c Allow export to import undefined symbols lost parents: 198 diff changeset	1271
188037f0397c Allow export to import undefined symbols lost parents: 198 diff changeset	1272 // add an external reference
188037f0397c Allow export to import undefined symbols lost parents: 198 diff changeset	1273 ex = lwasm_alloc(sizeof(export_list_t));
188037f0397c Allow export to import undefined symbols lost parents: 198 diff changeset	1274 ex -> next = se -> sect -> exports;
188037f0397c Allow export to import undefined symbols lost parents: 198 diff changeset	1275 se -> sect -> exports = ex;
188037f0397c Allow export to import undefined symbols lost parents: 198 diff changeset	1276 ex -> offset = se -> value;
188037f0397c Allow export to import undefined symbols lost parents: 198 diff changeset	1277 ex -> sym = lwasm_strdup(se -> sym);
90 6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1278 }
202 1a75121c3c3f Yet again try to get importing undefined exports working lost parents: 201 diff changeset	1279 next:
192 bfd0fb0a85c2 Allow exporting multiple symbols on a single directive lost parents: 190 diff changeset	1280 if (after == 1)
bfd0fb0a85c2 Allow exporting multiple symbols on a single directive lost parents: 190 diff changeset	1281 {
bfd0fb0a85c2 Allow exporting multiple symbols on a single directive lost parents: 190 diff changeset	1282 if (**p == ',')
bfd0fb0a85c2 Allow exporting multiple symbols on a single directive lost parents: 190 diff changeset	1283 {
bfd0fb0a85c2 Allow exporting multiple symbols on a single directive lost parents: 190 diff changeset	1284 debug_message(2, "Export another symbol: %s", *p);
bfd0fb0a85c2 Allow exporting multiple symbols on a single directive lost parents: 190 diff changeset	1285 (*p)++;
bfd0fb0a85c2 Allow exporting multiple symbols on a single directive lost parents: 190 diff changeset	1286 for ( ; p && isspace(p); (*p)++)
bfd0fb0a85c2 Allow exporting multiple symbols on a single directive lost parents: 190 diff changeset	1287 /* do nothing */ ;
bfd0fb0a85c2 Allow exporting multiple symbols on a single directive lost parents: 190 diff changeset	1288 goto again;
bfd0fb0a85c2 Allow exporting multiple symbols on a single directive lost parents: 190 diff changeset	1289 }
bfd0fb0a85c2 Allow exporting multiple symbols on a single directive lost parents: 190 diff changeset	1290 }
90 6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1291 }

Mercurial > hg-old > index.cgi

annotate lwasm/pseudo.c @ 235:aa0056ca7319