LWTools Old Repo: lwasm/pseudo.c annotate

annotate lwasm/pseudo.c @ 158:f0527dc3804d

Added support for .globl <sym>, .area <section>, .word, .byte, .blkb, and a .module directive that does nothing

author	lost
date	Sat, 31 Jan 2009 05:30:06 +0000
parents	427e268e876b
children	b061350c17e4

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 */
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	23
57495da01900 Initial checking of LWASM lost parents: diff changeset	24 #include <stdlib.h>
50 e672232caffe Added rmb pseudo op lost parents: 49 diff changeset	25 #include <string.h>
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	26 #include "lwasm.h"
57495da01900 Initial checking of LWASM lost parents: diff changeset	27 #include "instab.h"
47 804d7465e0f9 Implemented ORG and fixed problems with constants using $, &, or @ to specify base lost parents: 4 diff changeset	28 #include "expr.h"
52 b9856da2674a Added file inclusion lost parents: 50 diff changeset	29 #include "util.h"
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	30
52 b9856da2674a Added file inclusion lost parents: 50 diff changeset	31 extern int lwasm_read_file(asmstate_t as, const char filename);
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	32
158 f0527dc3804d Added support for .globl <sym>, .area <section>, .word, .byte, .blkb, and a .module directive that does nothing lost parents: 151 diff changeset	33 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	34 {
f0527dc3804d Added support for .globl <sym>, .area <section>, .word, .byte, .blkb, and a .module directive that does nothing lost parents: 151 diff changeset	35
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
47 804d7465e0f9 Implemented ORG and fixed problems with constants using $, &, or @ to specify base lost parents: 4 diff changeset	38 OPFUNC(pseudo_org)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	39 {
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	40 int v, r;
52 b9856da2674a Added file inclusion lost parents: 50 diff changeset	41
74 c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	42 if (as -> csect)
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	43 {
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	44 register_error(as, l, 1, "ORG not allowed within sections");
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	45 return;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	46 }
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	47
52 b9856da2674a Added file inclusion lost parents: 50 diff changeset	48 if (as -> passnum != 1)
b9856da2674a Added file inclusion lost parents: 50 diff changeset	49 {
b9856da2674a Added file inclusion lost parents: 50 diff changeset	50 // org is not needed to be processed on pass 2
b9856da2674a Added file inclusion lost parents: 50 diff changeset	51 // this will prevent phasing errors for forward references that
b9856da2674a Added file inclusion lost parents: 50 diff changeset	52 // resolve on the second pass
b9856da2674a Added file inclusion lost parents: 50 diff changeset	53 // we saved the org address in l -> codeaddr on pass 1
b9856da2674a Added file inclusion lost parents: 50 diff changeset	54 as -> addr = l -> codeaddr;
b9856da2674a Added file inclusion lost parents: 50 diff changeset	55 return;
b9856da2674a Added file inclusion lost parents: 50 diff changeset	56 }
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	57
47 804d7465e0f9 Implemented ORG and fixed problems with constants using $, &, or @ to specify base lost parents: 4 diff changeset	58 if (l -> sym)
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 register_error(as, l, 1, "No symbol allowed with ORG");
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	61 }
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	62
121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	63 r = lwasm_expr_result2(as, l, p, EXPR_PASS1CONST, &v, 0);
121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	64 if (r != 0)
47 804d7465e0f9 Implemented ORG and fixed problems with constants using $, &, or @ to specify base lost parents: 4 diff changeset	65 return;
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	66 l -> codeaddr = v;
49 21ae0fab469b Added needed infra for useful listing of EQU and ORG type statements lost parents: 47 diff changeset	67 l -> addrset = 1;
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	68 as -> addr = v;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	69 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	70
47 804d7465e0f9 Implemented ORG and fixed problems with constants using $, &, or @ to specify base lost parents: 4 diff changeset	71 /*
52 b9856da2674a Added file inclusion lost parents: 50 diff changeset	72 The operand for include is a string optionally enclosed in "
b9856da2674a Added file inclusion lost parents: 50 diff changeset	73 */
b9856da2674a Added file inclusion lost parents: 50 diff changeset	74 OPFUNC(pseudo_include)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	75 {
57495da01900 Initial checking of LWASM lost parents: diff changeset	76 int v1;
52 b9856da2674a Added file inclusion lost parents: 50 diff changeset	77 char *fn;
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	78
52 b9856da2674a Added file inclusion lost parents: 50 diff changeset	79 // only include files on pass 1
b9856da2674a Added file inclusion lost parents: 50 diff changeset	80 // but make sure local include context is right
b9856da2674a Added file inclusion lost parents: 50 diff changeset	81 // for the next line...
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	82 if (as -> passnum != 1)
52 b9856da2674a Added file inclusion lost parents: 50 diff changeset	83 {
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	84 as -> context = lwasm_next_context(as);
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	85 return;
52 b9856da2674a Added file inclusion lost parents: 50 diff changeset	86 }
b9856da2674a Added file inclusion lost parents: 50 diff changeset	87
b9856da2674a Added file inclusion lost parents: 50 diff changeset	88 while (p && isspace(p))
b9856da2674a Added file inclusion lost parents: 50 diff changeset	89 (*p)++;
b9856da2674a Added file inclusion lost parents: 50 diff changeset	90
b9856da2674a Added file inclusion lost parents: 50 diff changeset	91 if (!**p)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	92 {
52 b9856da2674a Added file inclusion lost parents: 50 diff changeset	93 register_error(as, l, 1, "Bad file name");
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	94 return;
57495da01900 Initial checking of LWASM lost parents: diff changeset	95 }
52 b9856da2674a Added file inclusion lost parents: 50 diff changeset	96
b9856da2674a Added file inclusion lost parents: 50 diff changeset	97 if (**p == '"')
b9856da2674a Added file inclusion lost parents: 50 diff changeset	98 {
b9856da2674a Added file inclusion lost parents: 50 diff changeset	99 // search for ending "
b9856da2674a Added file inclusion lost parents: 50 diff changeset	100 (*p)++;
b9856da2674a Added file inclusion lost parents: 50 diff changeset	101 for (v1 = 0; ((p)+v1) && ((p)+v1) != '"'; v1++)
b9856da2674a Added file inclusion lost parents: 50 diff changeset	102 /* do nothing */ ;
b9856da2674a Added file inclusion lost parents: 50 diff changeset	103 if (((p)+v1) != '"')
b9856da2674a Added file inclusion lost parents: 50 diff changeset	104 {
b9856da2674a Added file inclusion lost parents: 50 diff changeset	105 register_error(as, l, 1, "Bad file name");
b9856da2674a Added file inclusion lost parents: 50 diff changeset	106 return;
b9856da2674a Added file inclusion lost parents: 50 diff changeset	107 }
b9856da2674a Added file inclusion lost parents: 50 diff changeset	108 }
b9856da2674a Added file inclusion lost parents: 50 diff changeset	109 else
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	110 {
52 b9856da2674a Added file inclusion lost parents: 50 diff changeset	111 // search for a space type character
b9856da2674a Added file inclusion lost parents: 50 diff changeset	112 for (v1 = 0; ((p)+v1) && !isspace(((p)+v1)); v1++)
b9856da2674a Added file inclusion lost parents: 50 diff changeset	113 ;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	114 }
52 b9856da2674a Added file inclusion lost parents: 50 diff changeset	115
b9856da2674a Added file inclusion lost parents: 50 diff changeset	116 fn = lwasm_alloc(v1 + 1);
b9856da2674a Added file inclusion lost parents: 50 diff changeset	117 memcpy(fn, *p, v1);
b9856da2674a Added file inclusion lost parents: 50 diff changeset	118 fn[v1] = '\0';
b9856da2674a Added file inclusion lost parents: 50 diff changeset	119
b9856da2674a Added file inclusion lost parents: 50 diff changeset	120 // end local label context on include
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	121 as -> context = lwasm_next_context(as);
52 b9856da2674a Added file inclusion lost parents: 50 diff changeset	122 if (lwasm_read_file(as, fn) < 0)
b9856da2674a Added file inclusion lost parents: 50 diff changeset	123 {
b9856da2674a Added file inclusion lost parents: 50 diff changeset	124 register_error(as, l, 1, "File include error (%s)", fn);
b9856da2674a Added file inclusion lost parents: 50 diff changeset	125 }
b9856da2674a Added file inclusion lost parents: 50 diff changeset	126 lwasm_free(fn);
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	127 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	128
50 e672232caffe Added rmb pseudo op lost parents: 49 diff changeset	129 OPFUNC(pseudo_rmb)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	130 {
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	131 int r, v;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	132
95 f3497072ac44 Fixed think-o in rm* ops (reversed pass number test) lost parents: 94 diff changeset	133 if (as -> passnum == 2)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	134 {
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	135 as -> addr += l -> nocodelen;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	136 return;
57495da01900 Initial checking of LWASM lost parents: diff changeset	137 }
103 26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	138 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	139 if (r != 0)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	140 return;
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	141 l -> nocodelen = v;
121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	142 as -> addr += v;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	143 }
53 493cb8ea50a0 Added rm[dq], zm[bdq] lost parents: 52 diff changeset	144
493cb8ea50a0 Added rm[dq], zm[bdq] lost parents: 52 diff changeset	145 OPFUNC(pseudo_rmd)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	146 {
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	147 int r, v;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	148
95 f3497072ac44 Fixed think-o in rm* ops (reversed pass number test) lost parents: 94 diff changeset	149 if (as -> passnum == 2)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	150 {
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	151 as -> addr += l -> nocodelen;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	152 return;
57495da01900 Initial checking of LWASM lost parents: diff changeset	153 }
103 26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	154 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	155 if (r != 0)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	156 return;
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	157 v *= 2;
121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	158 l -> nocodelen = v;
121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	159 as -> addr += v;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	160 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	161
53 493cb8ea50a0 Added rm[dq], zm[bdq] lost parents: 52 diff changeset	162 OPFUNC(pseudo_rmq)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	163 {
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	164 int r, v;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	165
95 f3497072ac44 Fixed think-o in rm* ops (reversed pass number test) lost parents: 94 diff changeset	166 if (as -> passnum == 2)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	167 {
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	168 as -> addr += l -> nocodelen;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	169 return;
57495da01900 Initial checking of LWASM lost parents: diff changeset	170 }
103 26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	171 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	172 if (r != 0)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	173 return;
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	174 v *= 4;
121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	175 l -> nocodelen = v;
121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	176 as -> addr += v;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	177 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	178
53 493cb8ea50a0 Added rm[dq], zm[bdq] lost parents: 52 diff changeset	179 OPFUNC(pseudo_zmb)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	180 {
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	181 int r, v;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	182
103 26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	183 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	184 if (r != 0)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	185 return;
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	186 while (v--)
53 493cb8ea50a0 Added rm[dq], zm[bdq] lost parents: 52 diff changeset	187 lwasm_emit(as, l, 0);
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	188 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	189
53 493cb8ea50a0 Added rm[dq], zm[bdq] lost parents: 52 diff changeset	190 OPFUNC(pseudo_zmd)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	191 {
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	192 int r, v;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	193
103 26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	194 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	195 if (r != 0)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	196 return;
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	197 v *= 2;
121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	198 while (v--)
53 493cb8ea50a0 Added rm[dq], zm[bdq] lost parents: 52 diff changeset	199 lwasm_emit(as, l, 0);
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	200 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	201
53 493cb8ea50a0 Added rm[dq], zm[bdq] lost parents: 52 diff changeset	202 OPFUNC(pseudo_zmq)
493cb8ea50a0 Added rm[dq], zm[bdq] lost parents: 52 diff changeset	203 {
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	204 int r, v;
53 493cb8ea50a0 Added rm[dq], zm[bdq] lost parents: 52 diff changeset	205
103 26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	206 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	207 if (r != 0)
53 493cb8ea50a0 Added rm[dq], zm[bdq] lost parents: 52 diff changeset	208 return;
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	209 v *= 4;
121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	210 while (v--)
53 493cb8ea50a0 Added rm[dq], zm[bdq] lost parents: 52 diff changeset	211 lwasm_emit(as, l, 0);
493cb8ea50a0 Added rm[dq], zm[bdq] lost parents: 52 diff changeset	212 }
493cb8ea50a0 Added rm[dq], zm[bdq] lost parents: 52 diff changeset	213
54 360d53062bb9 Fixed typo in instruction table and added END directive lost parents: 53 diff changeset	214 OPFUNC(pseudo_end)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	215 {
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	216 int r, v;
54 360d53062bb9 Fixed typo in instruction table and added END directive lost parents: 53 diff changeset	217 lwasm_expr_stack_t *s;
360d53062bb9 Fixed typo in instruction table and added END directive lost parents: 53 diff changeset	218
360d53062bb9 Fixed typo in instruction table and added END directive lost parents: 53 diff changeset	219
360d53062bb9 Fixed typo in instruction table and added END directive lost parents: 53 diff changeset	220 as -> endseen = 1;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	221
54 360d53062bb9 Fixed typo in instruction table and added END directive lost parents: 53 diff changeset	222 // address only matters for DECB output
360d53062bb9 Fixed typo in instruction table and added END directive lost parents: 53 diff changeset	223 if (as -> outformat != OUTPUT_DECB)
360d53062bb9 Fixed typo in instruction table and added END directive lost parents: 53 diff changeset	224 return;
360d53062bb9 Fixed typo in instruction table and added END directive lost parents: 53 diff changeset	225
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	226 r = lwasm_expr_result2(as, l, p, 0, &v, 0);
121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	227 if (r != 0)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	228 {
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	229 register_error(as, l, 2, "Bad operand");
54 360d53062bb9 Fixed typo in instruction table and added END directive lost parents: 53 diff changeset	230 }
360d53062bb9 Fixed typo in instruction table and added END directive lost parents: 53 diff changeset	231
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	232 v = v & 0xffff;
54 360d53062bb9 Fixed typo in instruction table and added END directive lost parents: 53 diff changeset	233 if (as -> passnum == 2)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	234 {
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	235 as -> execaddr = v;
121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	236 l -> symaddr = v;
54 360d53062bb9 Fixed typo in instruction table and added END directive lost parents: 53 diff changeset	237 l -> addrset = 2;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	238 }
54 360d53062bb9 Fixed typo in instruction table and added END directive lost parents: 53 diff changeset	239 }
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	240
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	241
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	242 OPFUNC(pseudo_align)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	243 {
57495da01900 Initial checking of LWASM lost parents: diff changeset	244 int cn;
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	245 int r, v;
121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	246
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	247 if (as -> passnum == 2)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	248 {
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	249 while (as -> addr < l -> symaddr)
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	250 lwasm_emit(as, l, 0);
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	251 return;
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	252 }
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	253
103 26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	254 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	255 if (r != 0)
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	256 {
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	257 l -> symaddr = as -> addr;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	258 return;
57495da01900 Initial checking of LWASM lost parents: diff changeset	259 }
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	260
121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	261 if (v < 1)
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	262 {
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	263 register_error(as, l, 1, "Illegal alignment %d", v);
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	264 return;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	265 }
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	266
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	267 cn = l -> codeaddr % v;
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	268 if (cn)
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	269 cn = v - cn;
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	270
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	271 while (cn--)
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	272 {
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	273 lwasm_emit(as, l, 0);
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	274 }
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	275 l -> symaddr = as -> addr;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	276 }
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	277
50 e672232caffe Added rmb pseudo op lost parents: 49 diff changeset	278 OPFUNC(pseudo_equ)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	279 {
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	280 int r, v;
52 b9856da2674a Added file inclusion lost parents: 50 diff changeset	281
50 e672232caffe Added rmb pseudo op lost parents: 49 diff changeset	282 if (l -> sym == NULL)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	283 {
50 e672232caffe Added rmb pseudo op lost parents: 49 diff changeset	284 register_error(as, l, 1, "No symbol specified");
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	285 return;
57495da01900 Initial checking of LWASM lost parents: diff changeset	286 }
50 e672232caffe Added rmb pseudo op lost parents: 49 diff changeset	287
103 26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	288 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	289 if (r < 0)
121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	290 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	291
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	292 l -> symaddr = v & 0xFFFF;
50 e672232caffe Added rmb pseudo op lost parents: 49 diff changeset	293 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	294
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	295 // 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	296 // to a constant!
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	297 lwasm_register_symbol(as, l, l -> sym, v, (r > 0 ? SYMBOL_COMPLEX: SYMBOL_NORM) \| SYMBOL_FORCE);
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	298 }
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	299
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	300 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	301 {
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	302 int r, v;
64 aaddd47219b4 Added the 'set' directive lost parents: 63 diff changeset	303
aaddd47219b4 Added the 'set' directive lost parents: 63 diff changeset	304 // set MUST run on both passes as the symbol value changes!
aaddd47219b4 Added the 'set' directive lost parents: 63 diff changeset	305
aaddd47219b4 Added the 'set' directive lost parents: 63 diff changeset	306 if (l -> sym == NULL)
aaddd47219b4 Added the 'set' directive lost parents: 63 diff changeset	307 {
aaddd47219b4 Added the 'set' directive lost parents: 63 diff changeset	308 register_error(as, l, 1, "No symbol specified");
aaddd47219b4 Added the 'set' directive lost parents: 63 diff changeset	309 return;
aaddd47219b4 Added the 'set' directive lost parents: 63 diff changeset	310 }
aaddd47219b4 Added the 'set' directive lost parents: 63 diff changeset	311
103 26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	312 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	313 if (r < 0)
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	314 v = 0;
64 aaddd47219b4 Added the 'set' directive lost parents: 63 diff changeset	315
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	316 l -> symaddr = v & 0xFFFF;
64 aaddd47219b4 Added the 'set' directive lost parents: 63 diff changeset	317 l -> addrset = 2;
aaddd47219b4 Added the 'set' directive lost parents: 63 diff changeset	318
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	319 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	320 }
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	321
65 31d8e85706e7 Implemented setdp and corrected handling of direct page detection in insn_gen_aux() lost parents: 64 diff changeset	322 OPFUNC(pseudo_setdp)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	323 {
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	324 int r, v;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	325
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	326 if (as -> outformat == OUTPUT_OBJ)
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	327 {
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	328 register_error(as, l, 1, "SETDP not permitted with OBJ target");
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	329 return;
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	330 }
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	331
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	332 // 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	333 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	334 if (r != 0)
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	335 return;
65 31d8e85706e7 Implemented setdp and corrected handling of direct page detection in insn_gen_aux() lost parents: 64 diff changeset	336
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	337 if (v < -127 \|\| v > 255)
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	338 {
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	339 register_error(as, l, 1, "Byte overflow");
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	340 return;
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	341 }
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	342
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	343 l -> symaddr = v & 0xFF;
65 31d8e85706e7 Implemented setdp and corrected handling of direct page detection in insn_gen_aux() lost parents: 64 diff changeset	344 l -> addrset = 2;
31d8e85706e7 Implemented setdp and corrected handling of direct page detection in insn_gen_aux() lost parents: 64 diff changeset	345
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	346 as -> dpval = v & 0xFF;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	347 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	348
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	349 OPFUNC(pseudo_fcc)
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	350 {
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	351 int delim = 0;
57495da01900 Initial checking of LWASM lost parents: diff changeset	352
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	353 delim = **p;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	354 if (!delim)
57495da01900 Initial checking of LWASM lost parents: diff changeset	355 {
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	356 register_error(as, l, 1, "Bad operand");
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	357 return;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	358 }
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	359 *p += 1;
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	360 while (p && p != delim)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	361 {
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	362 lwasm_emit(as, l, **p);
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	363 (*p)++;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	364 }
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	365 if (**p)
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	366 (*p)++;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	367 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	368
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	369
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	370 OPFUNC(pseudo_fcs)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	371 {
57495da01900 Initial checking of LWASM lost parents: diff changeset	372 int delim = 0;
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	373
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	374 delim = **p;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	375 if (!delim)
57495da01900 Initial checking of LWASM lost parents: diff changeset	376 {
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	377 register_error(as, l, 1, "Bad operand");
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	378 return;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	379 }
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	380 *p += 1;
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	381 while (p && p != delim)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	382 {
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	383 if (!((p) + 1) \|\| ((p) + 1) == delim)
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	384 lwasm_emit(as, l, **p \| 0x80);
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	385 else
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	386 lwasm_emit(as, l, **p);
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	387 (*p)++;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	388 }
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	389 if (**p)
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	390 (*p)++;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	391 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	392
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	393 OPFUNC(pseudo_fcn)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	394 {
57495da01900 Initial checking of LWASM lost parents: diff changeset	395 int delim = 0;
57495da01900 Initial checking of LWASM lost parents: diff changeset	396
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	397 delim = **p;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	398 if (!delim)
57495da01900 Initial checking of LWASM lost parents: diff changeset	399 {
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	400 register_error(as, l, 1, "Bad operand");
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	401 return;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	402 }
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	403 *p += 1;
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	404 while (p && p != delim)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	405 {
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	406 lwasm_emit(as, l, **p);
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	407 (*p)++;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	408 }
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	409 if (**p)
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	410 (*p)++;
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	411 lwasm_emit(as, l, 0);
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	412 }
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	413
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	414 // FIXME: handle external, etc., references in a useful manner
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	415 OPFUNC(pseudo_fcb)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	416 {
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	417 int r, v;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	418
57495da01900 Initial checking of LWASM lost parents: diff changeset	419 fcb_again:
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	420 r = lwasm_expr_result2(as, l, p, 0, &v, -1);
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	421 if (r < 0)
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	422 return;
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	423
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	424 if (r > 0)
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	425 {
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	426 register_error(as, l, 2, "Illegal external or inter-segment reference");
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	427 v = 0;
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	428 }
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	429
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	430 if (v < -127 \|\| v > 255)
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	431 {
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	432 register_error(as, l, 1, "Byte overflow");
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	433 }
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	434
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	435 lwasm_emit(as, l, v);
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	436 if (**p == ',')
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	437 {
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	438 (*p)++;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	439 goto fcb_again;
57495da01900 Initial checking of LWASM lost parents: diff changeset	440 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	441 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	442
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	443 // FIXME: handle external references in an intelligent way
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	444 OPFUNC(pseudo_fdb)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	445 {
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	446 int r, v;
103 26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	447 int extseen = 0;
26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	448 char *p1;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	449
57495da01900 Initial checking of LWASM lost parents: diff changeset	450 fdb_again:
103 26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	451 p1 = *p;
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	452 r = lwasm_expr_result2(as, l, p, 0, &v, -1);
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	453 if (r < 0)
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	454 return;
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	455
103 26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	456 if (r > 0 && extseen == 1)
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	457 {
103 26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	458 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	459 v = 0;
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	460 }
103 26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	461 else if (r > 0)
26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	462 {
26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	463 l -> relocoff = as -> addr - l -> codeaddr;
26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	464 *p = p1;
26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	465 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	466 }
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	467
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	468 lwasm_emit(as, l, v >> 8);
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	469 lwasm_emit(as, l, v & 0xff);
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	470 if (**p == ',')
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	471 {
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	472 (*p)++;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	473 goto fdb_again;
57495da01900 Initial checking of LWASM lost parents: diff changeset	474 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	475 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	476
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	477 // FIXME: handle external references in a sensible way
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	478 OPFUNC(pseudo_fqb)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	479 {
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	480 int r, v;
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	481
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	482 fqb_again:
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	483 r = lwasm_expr_result2(as, l, p, 0, &v, -1);
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	484 if (r < 0)
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	485 return;
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	486
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	487 if (r > 0)
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	488 {
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	489 register_error(as, l, 2, "Illegal external or inter-segment reference");
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	490 v = 0;
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	491 }
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	492
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	493 lwasm_emit(as, l, v >> 24);
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	494 lwasm_emit(as, l, v >> 16);
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	495 lwasm_emit(as, l, v >> 8);
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	496 lwasm_emit(as, l, v & 0xff);
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	497 if (**p == ',')
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	498 {
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	499 (*p)++;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	500 goto fqb_again;
57495da01900 Initial checking of LWASM lost parents: diff changeset	501 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	502 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	503
57495da01900 Initial checking of LWASM lost parents: diff changeset	504 // 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	505 OPFUNC(pseudo_endc)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	506 {
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	507 if (as -> skipcond && !(as -> skipmacro))
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	508 {
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	509 as -> skipcount -= 1;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	510 if (as -> skipcount <= 0)
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	511 {
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	512 as -> skipcond = 0;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	513 }
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	514 }
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	515 return;
57495da01900 Initial checking of LWASM lost parents: diff changeset	516 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	517
57495da01900 Initial checking of LWASM lost parents: diff changeset	518 // if "else" executes, we must be going into an "ignore" state
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	519 OPFUNC(pseudo_else)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	520 {
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	521 if (as -> skipmacro)
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	522 return;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	523
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	524 if (as -> skipcond)
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	525 {
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	526 if (as -> skipcount == 1)
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	527 {
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	528 as -> skipcount = 0;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	529 as -> skipcond = 0;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	530 }
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	531 return;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	532 }
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	533
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	534 as -> skipcond = 1;
57495da01900 Initial checking of LWASM lost parents: diff changeset	535 as -> skipcount = 1;
57495da01900 Initial checking of LWASM lost parents: diff changeset	536 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	537
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	538 OPFUNC(pseudo_ifne)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	539 {
57495da01900 Initial checking of LWASM lost parents: diff changeset	540 int v1;
57495da01900 Initial checking of LWASM lost parents: diff changeset	541 int rval;
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	542
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	543 if (as -> skipcond && !(as -> skipmacro))
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	544 {
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	545 as -> skipcount++;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	546 return;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	547 }
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	548
103 26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	549 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	550 if (rval != 0)
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	551 return;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	552 if (!v1)
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	553 {
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	554 as -> skipcond = 1;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	555 as -> skipcount = 1;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	556 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	557 }
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	558
104 2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	559 OPFUNC(pseudo_ifdef)
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	560 {
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	561 lwasm_symbol_ent_t *se;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	562 char *sym;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	563 char *p2;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	564
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	565 if (as -> skipcond && !(as -> skipmacro))
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	566 {
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	567 as -> skipcount++;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	568 return;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	569 }
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	570
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	571 if (as -> passnum != 1)
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	572 {
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	573 if (!(l -> fsize))
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	574 {
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	575 as -> skipcond = 1;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	576 as -> skipcount = 1;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	577 }
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	578 return;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	579 }
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	580
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	581 if (!**p)
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	582 {
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	583 register_error(as, l, 1, "Need symbol name");
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	584 return;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	585 }
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	586
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	587 for (p2 = p; p2 && !isspace(*p2); p2++)
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	588 /* do nothing */ ;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	589
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	590 sym = lwasm_alloc(p2 - *p + 1);
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	591 memcpy(sym, p, p2 - p);
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	592 sym[p2 - *p] = '\0';
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	593
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	594 *p = p2;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	595
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	596 se = lwasm_find_symbol(as, sym, l -> context);
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	597 if (!se)
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	598 se = lwasm_find_symbol(as, sym, -1);
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	599
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	600 lwasm_free(sym);
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	601
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	602 if (!se)
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	603 {
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	604 as -> skipcond = 1;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	605 as -> skipcount = 1;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	606 l -> fsize = 0;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	607 }
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	608 else
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	609 {
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	610 l -> fsize = 1;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	611 }
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	612 }
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	613
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	614 OPFUNC(pseudo_ifndef)
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	615 {
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	616 lwasm_symbol_ent_t *se;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	617 char *sym;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	618 char *p2;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	619
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	620 if (as -> skipcond && !(as -> skipmacro))
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	621 {
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	622 as -> skipcount++;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	623 return;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	624 }
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	625
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	626 if (as -> passnum != 1)
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	627 {
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	628 if (l -> fsize)
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	629 {
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	630 as -> skipcond = 1;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	631 as -> skipcount = 1;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	632 }
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	633 return;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	634 }
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	635
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	636 if (!**p)
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	637 {
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	638 register_error(as, l, 1, "Need symbol name");
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	639 return;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	640 }
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	641
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	642 for (p2 = p; p2 && !isspace(*p2); p2++)
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	643 /* do nothing */ ;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	644
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	645 sym = lwasm_alloc(p2 - *p + 1);
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	646 memcpy(sym, p, p2 - p);
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	647 sym[p2 - *p] = '\0';
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	648
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	649 *p = p2;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	650
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	651 se = lwasm_find_symbol(as, sym, l -> context);
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	652 if (!se)
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	653 se = lwasm_find_symbol(as, sym, -1);
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	654
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	655 lwasm_free(sym);
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	656
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	657 if (se)
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	658 {
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	659 as -> skipcond = 1;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	660 as -> skipcount = 1;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	661 l -> fsize = 0;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	662 }
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	663 else
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	664 {
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	665 l -> fsize = 1;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	666 }
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	667 }
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	668
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	669 OPFUNC(pseudo_ifeq)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	670 {
57495da01900 Initial checking of LWASM lost parents: diff changeset	671 int v1;
57495da01900 Initial checking of LWASM lost parents: diff changeset	672 int rval;
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	673
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	674 if (as -> skipcond && !(as -> skipmacro))
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	675 {
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	676 as -> skipcount++;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	677 return;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	678 }
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	679
103 26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	680 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	681 if (rval != 0)
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	682 return;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	683 if (v1)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	684 {
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	685 as -> skipcond = 1;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	686 as -> skipcount = 1;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	687 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	688 }
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	689
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	690 OPFUNC(pseudo_iflt)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	691 {
57495da01900 Initial checking of LWASM lost parents: diff changeset	692 int v1;
57495da01900 Initial checking of LWASM lost parents: diff changeset	693 int rval;
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	694
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	695 if (as -> skipcond && !(as -> skipmacro))
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	696 {
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	697 as -> skipcount++;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	698 return;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	699 }
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	700
103 26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	701 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	702 if (rval != 0)
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	703 return;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	704 if (v1 >= 0)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	705 {
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	706 as -> skipcond = 1;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	707 as -> skipcount = 1;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	708 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	709 }
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	710
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	711 OPFUNC(pseudo_ifle)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	712 {
57495da01900 Initial checking of LWASM lost parents: diff changeset	713 int v1;
57495da01900 Initial checking of LWASM lost parents: diff changeset	714 int rval;
57 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 && !(as -> skipmacro))
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	717 {
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	718 as -> skipcount++;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	719 return;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	720 }
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	721
103 26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	722 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	723 if (rval != 0)
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	724 return;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	725 if (v1 > 0)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	726 {
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	727 as -> skipcond = 1;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	728 as -> skipcount = 1;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	729 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	730 }
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	731
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	732 OPFUNC(pseudo_ifgt)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	733 {
57495da01900 Initial checking of LWASM lost parents: diff changeset	734 int v1;
57495da01900 Initial checking of LWASM lost parents: diff changeset	735 int rval;
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	736
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	737 if (as -> skipcond && !(as -> skipmacro))
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	738 {
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	739 as -> skipcount++;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	740 return;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	741 }
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	742
103 26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	743 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	744 if (rval != 0)
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	745 return;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	746 if (v1 <= 0)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	747 {
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	748 as -> skipcond = 1;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	749 as -> skipcount = 1;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	750 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	751 }
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	752
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	753 OPFUNC(pseudo_ifge)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	754 {
57495da01900 Initial checking of LWASM lost parents: diff changeset	755 int v1;
57495da01900 Initial checking of LWASM lost parents: diff changeset	756 int rval;
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	757
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	758 if (as -> skipcond && !(as -> skipmacro))
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	759 {
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	760 as -> skipcount++;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	761 return;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	762 }
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	763
103 26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	764 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	765 if (rval != 0)
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	766 return;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	767 if (v1 < 0)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	768 {
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	769 as -> skipcond = 1;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	770 as -> skipcount = 1;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	771 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	772 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	773
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	774 OPFUNC(pseudo_error)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	775 {
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	776 register_error(as, l, 1, "User error: %s", *p);
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	777 }
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	778
74 c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	779
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	780 OPFUNC(pseudo_section)
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	781 {
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	782 sectiontab_t *s;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	783 char *p2;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	784 char *sn;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	785 char *opts;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	786
99 3dcb12a6f4ff Fixed problem handling sections with options on pass 2 lost parents: 95 diff changeset	787
74 c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	788 if (as -> outformat != OUTPUT_OBJ)
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	789 {
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	790 register_error(as, l, 1, "Sections only supported for obj target");
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	791 return;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	792 }
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	793
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	794 if (as -> csect)
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	795 {
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	796 as -> csect -> offset = as -> addr;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	797 as -> csect = NULL;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	798 }
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	799
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	800 if (!**p)
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	801 {
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	802 register_error(as, l, 1, "Need section name");
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	803 return;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	804 }
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	805
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	806 for (p2 = p; p2 && !isspace(*p2); p2++)
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	807 /* do nothing */ ;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	808
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	809 sn = lwasm_alloc(p2 - *p + 1);
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	810 memcpy(sn, p, p2 - p);
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	811 sn[p2 - *p] = '\0';
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	812
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	813 *p = p2;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	814
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	815 opts = strchr(sn, ',');
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	816 if (opts)
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	817 {
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	818 *opts++ = '\0';
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	819 }
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	820
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	821 // have we seen the section name already?
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	822 for (s = as -> sections; s; s = s -> next)
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	823 {
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	824 if (!strcmp(s -> name, sn))
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	825 break;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	826 }
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	827
99 3dcb12a6f4ff Fixed problem handling sections with options on pass 2 lost parents: 95 diff changeset	828 if (s && as -> passnum == 1)
74 c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	829 {
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	830 lwasm_free(sn);
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	831 if (opts)
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	832 {
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	833 register_error(as, l, 1, "Section options can only be specified the first time");
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	834 return;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	835 }
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	836 }
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	837 else if (!s)
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	838 {
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	839 s = lwasm_alloc(sizeof(sectiontab_t));
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	840 s -> name = sn;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	841 s -> offset = 0;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	842 s -> flags = 0;
85 918be0c02239 Started adding object target output lost parents: 82 diff changeset	843 s -> obytes = NULL;
918be0c02239 Started adding object target output lost parents: 82 diff changeset	844 s -> oblen = 0;
918be0c02239 Started adding object target output lost parents: 82 diff changeset	845 s -> obsize = 0;
86 033a328a10ae Checkpoint: object target output lost parents: 85 diff changeset	846 s -> rl = NULL;
90 6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	847 s -> exports = NULL;
74 c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	848 // parse options; only one "bss"
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	849 if (opts && as -> passnum == 1)
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	850 {
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	851 if (!strcasecmp(opts, "bss"))
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	852 {
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	853 s -> flags = SECTION_BSS;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	854 }
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	855 else
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	856 {
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	857 register_error(as, l, 1, "Unrecognized section option '%s'", opts);
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	858 lwasm_free(s -> name);
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	859 lwasm_free(s);
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	860 return;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	861 }
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	862 }
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	863
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	864 s -> next = as -> sections;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	865 as -> sections = s;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	866 }
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	867 as -> addr = s -> offset;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	868 as -> csect = s;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	869 as -> context = lwasm_next_context(as);
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	870 }
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	871
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	872 OPFUNC(pseudo_endsection)
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	873 {
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	874 if (as -> outformat != OUTPUT_OBJ)
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	875 {
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	876 register_error(as, l, 1, "Sections only supported for obj target");
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	877 return;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	878 }
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	879
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	880 if (!(as -> csect))
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	881 {
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	882 register_error(as, l, 1, "ENDSECTION when not in a section");
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	883 return;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	884 }
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	885
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	886 as -> csect -> offset = as -> addr;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	887 as -> addr = 0;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	888 as -> csect = 0;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	889 as -> context = lwasm_next_context(as);
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	890 }
82 03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	891
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	892 OPFUNC(pseudo_extern)
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	893 {
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	894 if (as -> passnum != 1)
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	895 return;
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	896
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	897 if (as -> outformat != OUTPUT_OBJ)
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	898 {
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	899 register_error(as, l, 1, "External references only supported for obj target");
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	900 return;
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	901 }
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	902
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	903 if (as -> csect)
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	904 {
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	905 register_error(as, l, 1, "Cannot declare external symbols within a section");
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	906 return;
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	907 }
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	908
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	909 lwasm_register_symbol(as, l, l -> sym, 0, SYMBOL_EXTERN);
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	910 }
90 6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	911
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	912 OPFUNC(pseudo_export)
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	913 {
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	914 lwasm_symbol_ent_t *se;
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	915 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	916 char sym2, sym3;
f0527dc3804d Added support for .globl <sym>, .area <section>, .word, .byte, .blkb, and a .module directive that does nothing lost parents: 151 diff changeset	917
90 6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	918 if (as -> outformat != OUTPUT_OBJ)
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	919 {
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	920 register_error(as, l, 1, "Symbol exports only supported for obj target");
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	921 return;
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	922 }
158 f0527dc3804d Added support for .globl <sym>, .area <section>, .word, .byte, .blkb, and a .module directive that does nothing lost parents: 151 diff changeset	923
90 6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	924 if (as -> passnum == 1)
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	925 return;
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	926
158 f0527dc3804d Added support for .globl <sym>, .area <section>, .word, .byte, .blkb, and a .module directive that does nothing lost parents: 151 diff changeset	927 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	928 {
f0527dc3804d Added support for .globl <sym>, .area <section>, .word, .byte, .blkb, and a .module directive that does nothing lost parents: 151 diff changeset	929 // 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	930 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	931 {
f0527dc3804d Added support for .globl <sym>, .area <section>, .word, .byte, .blkb, and a .module directive that does nothing lost parents: 151 diff changeset	932 for (sym2 = p; p && !isspace(p); (p)++)
f0527dc3804d Added support for .globl <sym>, .area <section>, .word, .byte, .blkb, and a .module directive that does nothing lost parents: 151 diff changeset	933 /* do nothing */
f0527dc3804d Added support for .globl <sym>, .area <section>, .word, .byte, .blkb, and a .module directive that does nothing lost parents: 151 diff changeset	934 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	935 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	936 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	937
f0527dc3804d Added support for .globl <sym>, .area <section>, .word, .byte, .blkb, and a .module directive that does nothing lost parents: 151 diff changeset	938 l -> sym = sym3;
f0527dc3804d Added support for .globl <sym>, .area <section>, .word, .byte, .blkb, and a .module directive that does nothing lost parents: 151 diff changeset	939 }
f0527dc3804d Added support for .globl <sym>, .area <section>, .word, .byte, .blkb, and a .module directive that does nothing lost parents: 151 diff changeset	940 }
f0527dc3804d Added support for .globl <sym>, .area <section>, .word, .byte, .blkb, and a .module directive that does nothing lost parents: 151 diff changeset	941
f0527dc3804d Added support for .globl <sym>, .area <section>, .word, .byte, .blkb, and a .module directive that does nothing lost parents: 151 diff changeset	942 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	943 {
f0527dc3804d Added support for .globl <sym>, .area <section>, .word, .byte, .blkb, and a .module directive that does nothing lost parents: 151 diff changeset	944 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	945 return;
f0527dc3804d Added support for .globl <sym>, .area <section>, .word, .byte, .blkb, and a .module directive that does nothing lost parents: 151 diff changeset	946 }
f0527dc3804d Added support for .globl <sym>, .area <section>, .word, .byte, .blkb, and a .module directive that does nothing lost parents: 151 diff changeset	947
f0527dc3804d Added support for .globl <sym>, .area <section>, .word, .byte, .blkb, and a .module directive that does nothing lost parents: 151 diff changeset	948
90 6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	949 // the symbol better be defined at this point (pass 2)
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	950 // local symbols cannot be exported nor can "global" symbols
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	951 se = lwasm_find_symbol(as, l -> sym, -1);
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	952 if (!se)
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	953 {
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	954 register_error(as, l, 2, "Exported symbols must be fully defined within a section");
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	955 return;
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	956 }
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	957 if (se -> sect == NULL)
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	958 {
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	959 register_error(as, l, 2, "Only non-local symbols within a section can be exported");
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	960 return;
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	961 }
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	962
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	963 if (se -> flags & SYMBOL_SET)
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	964 {
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	965 register_error(as, l, 2, "You cannot export symbols defined with SET");
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	966 return;
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	967 }
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	968
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	969 // if the symbol is not already a simple value, re-evaluate it
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	970 // and see if it becomes simple
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	971
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	972
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	973 if (se -> flags & SYMBOL_COMPLEX)
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	974 {
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	975 register_error(as, l, 2, "Exported symbols must be fully resolved on pass 2");
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	976 return;
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	977 }
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	978
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	979 // search for existing export
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	980 for (ex = se -> sect -> exports; ex; ex = ex -> next)
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	981 if (!strcmp(l -> sym, ex -> sym))
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	982 break;
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	983 if (ex)
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	984 {
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	985 register_error(as, l, 2, "Symbol %s already exported", l -> sym);
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	986 return;
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	987 }
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	988
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	989 // add an external reference
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	990 ex = lwasm_alloc(sizeof(export_list_t));
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	991 ex -> next = se -> sect -> exports;
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	992 se -> sect -> exports = ex;
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	993 ex -> offset = se -> value;
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	994 ex -> sym = lwasm_strdup(se -> sym);
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	995 }

Mercurial > hg-old > index.cgi

annotate lwasm/pseudo.c @ 158:f0527dc3804d