LWTools Old Repo: lwasm/pseudo.c annotate

annotate lwasm/pseudo.c @ 227:4c60c3a09597

Various updates to the manual

author	lost
date	Fri, 12 Jun 2009 00:06:24 +0000
parents	058f18119025
children	59a138df0401

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

Mercurial > hg-old > index.cgi

annotate lwasm/pseudo.c @ 227:4c60c3a09597