LWTools Old Repo: lwasm/pseudo.c annotate

annotate lwasm/pseudo.c @ 190:563adfccb645

Added 'sym=expr' opcode handling

author	lost
date	Sun, 22 Mar 2009 16:08:20 +0000
parents	02ada556bcc0
children	bfd0fb0a85c2

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!
190 563adfccb645 Added 'sym=expr' opcode handling lost parents: 162 diff changeset	297 lwasm_register_symbol(as, l, l -> sym, v, (r > 0 ? SYMBOL_COMPLEX: SYMBOL_NORM) \| SYMBOL_FORCE \| (l -> forceglobal ? SYMBOL_GLOBAL : SYMBOL_NORM));
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	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
160 b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	349 // used to get a byte from a string
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	350 // -1 is end of line
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	351 int pseudo_fcc_fetchchar(asmstate_t as, char *p)
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	352 {
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	353 int c;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	354
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	355 // -
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	356 if (!**p)
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	357 return -1;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	358
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	359 c = (unsigned char)(**p);
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	360 (*p)++;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	361
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	362 if (as -> pragmas & PRAGMA_CESCAPES && c == '\\')
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	363 {
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	364 // decode escapes if needed
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	365 if (!**p)
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	366 return c;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	367
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	368 c = **p;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	369 (*p)++;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	370
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	371 switch (c)
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	372 {
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	373 // octal value
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	374 // 1, 2, or 3 digits
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	375 // NOTE: \0 for NUL is included in this...
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	376 case '0':
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	377 case '1':
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	378 case '2':
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	379 case '3':
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	380 case '4':
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	381 case '5':
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	382 case '6':
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	383 case '7':
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	384 c -= '0';
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	385 if (p < '0' \|\| p > '9')
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	386 return c;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	387 c = c << 3;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	388 c \|= **p - '0';
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	389 (*p)++;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	390 if (p < '0' \|\| p > '9')
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	391 return c;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	392 c = c << 3;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	393 c \|= **p - '0';
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	394 (*p)++;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	395 return c;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	396
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	397 // LF
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	398 case 'n':
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	399 return 10;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	400
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	401 // CR
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	402 case 'r':
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	403 return 13;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	404
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	405 // TAB
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	406 case 't':
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	407 return 9;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	408
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	409 // VT
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	410 case 'v':
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	411 return 11;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	412
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	413 // BS
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	414 case 'b':
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	415 return 8;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	416
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	417 // FF
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	418 case 'f':
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	419 return 12;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	420
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	421 // BEL
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	422 case 'a':
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	423 return 7;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	424
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	425 // hex char code (2 chars)
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	426 case 'x':
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	427 {
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	428 int c2;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	429 if (!**p)
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	430 return 'x';
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	431 c = toupper(**p);
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	432 (*p)++;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	433 if (c < '0' \|\| (c > '9' && c < 'A') \|\| c > 'F')
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	434 return 0;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	435 c -= '0';
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	436 if (c > 9)
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	437 c -= 7;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	438 c2 = c << 4;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	439 if (!**p)
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	440 return 0;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	441 c = toupper(**p);
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	442 (*p)++;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	443 if (c < '0' \|\| (c > '9' && c < 'A') \|\| c > 'F')
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	444 return 0;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	445 c -= '0';
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	446 if (c > 9)
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	447 c -= 7;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	448 c2 \|= c;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	449 return c2;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	450 }
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	451 // everything else stands for itself as a fall back or legit
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	452 default:
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	453 return c;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	454 }
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	455 }
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	456 return c;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	457 }
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	458
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	459 OPFUNC(pseudo_fcc)
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	460 {
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	461 int delim = 0;
160 b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	462 int c;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	463
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	464 delim = **p;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	465 if (!delim)
57495da01900 Initial checking of LWASM lost parents: diff changeset	466 {
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	467 register_error(as, l, 1, "Bad operand");
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	468 return;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	469 }
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	470 *p += 1;
160 b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	471 for (;;)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	472 {
160 b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	473 c = pseudo_fcc_fetchchar(as, p);
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	474 if (c == delim \|\| c < 0)
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	475 break;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	476
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	477 lwasm_emit(as, l, c);
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	478 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	479 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	480
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	481
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	482 OPFUNC(pseudo_fcs)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	483 {
57495da01900 Initial checking of LWASM lost parents: diff changeset	484 int delim = 0;
160 b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	485 int c, lc = -1;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	486
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	487 delim = **p;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	488 if (!delim)
57495da01900 Initial checking of LWASM lost parents: diff changeset	489 {
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	490 register_error(as, l, 1, "Bad operand");
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	491 return;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	492 }
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	493 *p += 1;
160 b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	494 for (;;)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	495 {
160 b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	496 c = pseudo_fcc_fetchchar(as, p);
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	497 if (c == delim \|\| c < 0)
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	498 {
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	499 if (lc >= 0)
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	500 lwasm_emit(as, l, lc \| 0x80);
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	501 break;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	502 }
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	503 if (lc >= 0)
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	504 lwasm_emit(as, l, lc);
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	505 lc = c;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	506 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	507 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	508
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	509 OPFUNC(pseudo_fcn)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	510 {
57495da01900 Initial checking of LWASM lost parents: diff changeset	511 int delim = 0;
160 b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	512 int c;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	513
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	514 delim = **p;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	515 if (!delim)
57495da01900 Initial checking of LWASM lost parents: diff changeset	516 {
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	517 register_error(as, l, 1, "Bad operand");
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	518 return;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	519 }
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	520 *p += 1;
160 b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	521 for (;;)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	522 {
160 b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	523 c = pseudo_fcc_fetchchar(as, p);
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	524 if (c == delim \|\| c < 0)
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	525 break;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	526
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	527 lwasm_emit(as, l, c);
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	528 }
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	529 lwasm_emit(as, l, 0);
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	530 }
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	531
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	532 OPFUNC(pseudo_fcb)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	533 {
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	534 int r, v;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	535
57495da01900 Initial checking of LWASM lost parents: diff changeset	536 fcb_again:
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	537 r = lwasm_expr_result2(as, l, p, 0, &v, -1);
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	538 if (r < 0)
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	539 return;
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	540
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	541 if (r > 0)
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	542 {
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	543 register_error(as, l, 2, "Illegal external or inter-segment reference");
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	544 v = 0;
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	545 }
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	546
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	547 if (v < -127 \|\| v > 255)
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	548 {
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	549 register_error(as, l, 1, "Byte overflow");
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	550 }
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	551
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	552 lwasm_emit(as, l, v);
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	553 if (**p == ',')
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	554 {
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	555 (*p)++;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	556 goto fcb_again;
57495da01900 Initial checking of LWASM lost parents: diff changeset	557 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	558 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	559
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	560 // FIXME: handle external references in an intelligent way
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	561 OPFUNC(pseudo_fdb)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	562 {
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	563 int r, v;
103 26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	564 int extseen = 0;
26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	565 char *p1;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	566
57495da01900 Initial checking of LWASM lost parents: diff changeset	567 fdb_again:
103 26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	568 p1 = *p;
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	569 r = lwasm_expr_result2(as, l, p, 0, &v, -1);
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	570 if (r < 0)
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	571 return;
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	572
103 26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	573 if (r > 0 && extseen == 1)
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	574 {
103 26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	575 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	576 v = 0;
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	577 }
103 26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	578 else if (r > 0)
26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	579 {
26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	580 l -> relocoff = as -> addr - l -> codeaddr;
26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	581 *p = p1;
26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	582 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	583 }
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	584
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	585 lwasm_emit(as, l, v >> 8);
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	586 lwasm_emit(as, l, v & 0xff);
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	587 if (**p == ',')
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	588 {
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	589 (*p)++;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	590 goto fdb_again;
57495da01900 Initial checking of LWASM lost parents: diff changeset	591 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	592 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	593
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	594 // FIXME: handle external references in a sensible way
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	595 OPFUNC(pseudo_fqb)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	596 {
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	597 int r, v;
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	598
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	599 fqb_again:
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	600 r = lwasm_expr_result2(as, l, p, 0, &v, -1);
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	601 if (r < 0)
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	602 return;
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	603
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	604 if (r > 0)
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	605 {
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	606 register_error(as, l, 2, "Illegal external or inter-segment reference");
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	607 v = 0;
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	608 }
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	609
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	610 lwasm_emit(as, l, v >> 24);
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	611 lwasm_emit(as, l, v >> 16);
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	612 lwasm_emit(as, l, v >> 8);
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	613 lwasm_emit(as, l, v & 0xff);
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	614 if (**p == ',')
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	615 {
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	616 (*p)++;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	617 goto fqb_again;
57495da01900 Initial checking of LWASM lost parents: diff changeset	618 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	619 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	620
57495da01900 Initial checking of LWASM lost parents: diff changeset	621 // 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	622 OPFUNC(pseudo_endc)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	623 {
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	624 if (as -> skipcond && !(as -> skipmacro))
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	625 {
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	626 as -> skipcount -= 1;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	627 if (as -> skipcount <= 0)
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	628 {
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	629 as -> skipcond = 0;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	630 }
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	631 }
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	632 return;
57495da01900 Initial checking of LWASM lost parents: diff changeset	633 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	634
57495da01900 Initial checking of LWASM lost parents: diff changeset	635 // if "else" executes, we must be going into an "ignore" state
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	636 OPFUNC(pseudo_else)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	637 {
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	638 if (as -> skipmacro)
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	639 return;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	640
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	641 if (as -> skipcond)
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	642 {
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	643 if (as -> skipcount == 1)
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	644 {
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	645 as -> skipcount = 0;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	646 as -> skipcond = 0;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	647 }
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	648 return;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	649 }
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	650
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	651 as -> skipcond = 1;
57495da01900 Initial checking of LWASM lost parents: diff changeset	652 as -> skipcount = 1;
57495da01900 Initial checking of LWASM lost parents: diff changeset	653 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	654
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	655 OPFUNC(pseudo_ifne)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	656 {
57495da01900 Initial checking of LWASM lost parents: diff changeset	657 int v1;
57495da01900 Initial checking of LWASM lost parents: diff changeset	658 int rval;
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	659
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	660 if (as -> skipcond && !(as -> skipmacro))
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	661 {
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	662 as -> skipcount++;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	663 return;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	664 }
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	665
103 26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	666 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	667 if (rval != 0)
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	668 return;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	669 if (!v1)
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	670 {
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	671 as -> skipcond = 1;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	672 as -> skipcount = 1;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	673 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	674 }
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	675
104 2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	676 OPFUNC(pseudo_ifdef)
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	677 {
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	678 lwasm_symbol_ent_t *se;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	679 char *sym;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	680 char *p2;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	681
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	682 if (as -> skipcond && !(as -> skipmacro))
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	683 {
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	684 as -> skipcount++;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	685 return;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	686 }
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	687
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	688 if (as -> passnum != 1)
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	689 {
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	690 if (!(l -> fsize))
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	691 {
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	692 as -> skipcond = 1;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	693 as -> skipcount = 1;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	694 }
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	695 return;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	696 }
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	697
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	698 if (!**p)
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	699 {
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	700 register_error(as, l, 1, "Need symbol name");
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	701 return;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	702 }
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	703
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	704 for (p2 = p; p2 && !isspace(*p2); p2++)
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	705 /* do nothing */ ;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	706
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	707 sym = lwasm_alloc(p2 - *p + 1);
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	708 memcpy(sym, p, p2 - p);
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	709 sym[p2 - *p] = '\0';
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	710
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	711 *p = p2;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	712
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	713 se = lwasm_find_symbol(as, sym, l -> context);
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	714 if (!se)
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	715 se = lwasm_find_symbol(as, sym, -1);
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	716
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	717 lwasm_free(sym);
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	718
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	719 if (!se)
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	720 {
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	721 as -> skipcond = 1;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	722 as -> skipcount = 1;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	723 l -> fsize = 0;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	724 }
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	725 else
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	726 {
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	727 l -> fsize = 1;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	728 }
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	729 }
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	730
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	731 OPFUNC(pseudo_ifndef)
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	732 {
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	733 lwasm_symbol_ent_t *se;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	734 char *sym;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	735 char *p2;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	736
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	737 if (as -> skipcond && !(as -> skipmacro))
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	738 {
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	739 as -> skipcount++;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	740 return;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	741 }
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	742
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	743 if (as -> passnum != 1)
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	744 {
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	745 if (l -> fsize)
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	746 {
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	747 as -> skipcond = 1;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	748 as -> skipcount = 1;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	749 }
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	750 return;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	751 }
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	752
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	753 if (!**p)
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	754 {
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	755 register_error(as, l, 1, "Need symbol name");
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	756 return;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	757 }
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	758
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	759 for (p2 = p; p2 && !isspace(*p2); p2++)
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	760 /* do nothing */ ;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	761
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	762 sym = lwasm_alloc(p2 - *p + 1);
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	763 memcpy(sym, p, p2 - p);
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	764 sym[p2 - *p] = '\0';
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	765
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	766 *p = p2;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	767
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	768 se = lwasm_find_symbol(as, sym, l -> context);
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	769 if (!se)
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	770 se = lwasm_find_symbol(as, sym, -1);
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	771
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	772 lwasm_free(sym);
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	773
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	774 if (se)
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	775 {
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	776 as -> skipcond = 1;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	777 as -> skipcount = 1;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	778 l -> fsize = 0;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	779 }
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	780 else
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	781 {
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	782 l -> fsize = 1;
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	783 }
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	784 }
2ba8f9ef1417 Added ifdef/ifndef conditionals lost parents: 103 diff changeset	785
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	786 OPFUNC(pseudo_ifeq)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	787 {
57495da01900 Initial checking of LWASM lost parents: diff changeset	788 int v1;
57495da01900 Initial checking of LWASM lost parents: diff changeset	789 int rval;
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	790
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	791 if (as -> skipcond && !(as -> skipmacro))
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	792 {
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	793 as -> skipcount++;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	794 return;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	795 }
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	796
103 26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	797 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	798 if (rval != 0)
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	799 return;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	800 if (v1)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	801 {
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	802 as -> skipcond = 1;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	803 as -> skipcount = 1;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	804 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	805 }
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	806
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	807 OPFUNC(pseudo_iflt)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	808 {
57495da01900 Initial checking of LWASM lost parents: diff changeset	809 int v1;
57495da01900 Initial checking of LWASM lost parents: diff changeset	810 int rval;
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	811
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	812 if (as -> skipcond && !(as -> skipmacro))
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	813 {
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	814 as -> skipcount++;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	815 return;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	816 }
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	817
103 26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	818 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	819 if (rval != 0)
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	820 return;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	821 if (v1 >= 0)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	822 {
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	823 as -> skipcond = 1;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	824 as -> skipcount = 1;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	825 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	826 }
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	827
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	828 OPFUNC(pseudo_ifle)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	829 {
57495da01900 Initial checking of LWASM lost parents: diff changeset	830 int v1;
57495da01900 Initial checking of LWASM lost parents: diff changeset	831 int rval;
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	832
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	833 if (as -> skipcond && !(as -> skipmacro))
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	834 {
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	835 as -> skipcount++;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	836 return;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	837 }
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	838
103 26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	839 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	840 if (rval != 0)
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	841 return;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	842 if (v1 > 0)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	843 {
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	844 as -> skipcond = 1;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	845 as -> skipcount = 1;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	846 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	847 }
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	848
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	849 OPFUNC(pseudo_ifgt)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	850 {
57495da01900 Initial checking of LWASM lost parents: diff changeset	851 int v1;
57495da01900 Initial checking of LWASM lost parents: diff changeset	852 int rval;
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	853
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	854 if (as -> skipcond && !(as -> skipmacro))
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	855 {
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	856 as -> skipcount++;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	857 return;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	858 }
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	859
103 26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	860 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	861 if (rval != 0)
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	862 return;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	863 if (v1 <= 0)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	864 {
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	865 as -> skipcond = 1;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	866 as -> skipcount = 1;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	867 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	868 }
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	869
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	870 OPFUNC(pseudo_ifge)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	871 {
57495da01900 Initial checking of LWASM lost parents: diff changeset	872 int v1;
57495da01900 Initial checking of LWASM lost parents: diff changeset	873 int rval;
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	874
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	875 if (as -> skipcond && !(as -> skipmacro))
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	876 {
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	877 as -> skipcount++;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	878 return;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	879 }
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	880
103 26c058fa0bc1 Fixed up some issues with pseudo ops and object target lost parents: 99 diff changeset	881 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	882 if (rval != 0)
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	883 return;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	884 if (v1 < 0)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	885 {
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	886 as -> skipcond = 1;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	887 as -> skipcount = 1;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	888 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	889 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	890
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	891 OPFUNC(pseudo_error)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	892 {
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	893 register_error(as, l, 1, "User error: %s", *p);
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	894 }
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	895
74 c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	896
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	897 OPFUNC(pseudo_section)
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	898 {
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	899 sectiontab_t *s;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	900 char *p2;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	901 char *sn;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	902 char *opts;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	903
99 3dcb12a6f4ff Fixed problem handling sections with options on pass 2 lost parents: 95 diff changeset	904
74 c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	905 if (as -> outformat != OUTPUT_OBJ)
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	906 {
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	907 register_error(as, l, 1, "Sections only supported for obj target");
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	908 return;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	909 }
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	910
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	911 if (as -> csect)
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	912 {
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	913 as -> csect -> offset = as -> addr;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	914 as -> csect = NULL;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	915 }
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	916
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	917 if (!**p)
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	918 {
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	919 register_error(as, l, 1, "Need section name");
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	920 return;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	921 }
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	922
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	923 for (p2 = p; p2 && !isspace(*p2); p2++)
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	924 /* do nothing */ ;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	925
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	926 sn = lwasm_alloc(p2 - *p + 1);
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	927 memcpy(sn, p, p2 - p);
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	928 sn[p2 - *p] = '\0';
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	929
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	930 *p = p2;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	931
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	932 opts = strchr(sn, ',');
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	933 if (opts)
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	934 {
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	935 *opts++ = '\0';
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	936 }
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	937
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	938 // have we seen the section name already?
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	939 for (s = as -> sections; s; s = s -> next)
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	940 {
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	941 if (!strcmp(s -> name, sn))
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	942 break;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	943 }
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	944
99 3dcb12a6f4ff Fixed problem handling sections with options on pass 2 lost parents: 95 diff changeset	945 if (s && as -> passnum == 1)
74 c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	946 {
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	947 lwasm_free(sn);
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	948 if (opts)
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	949 {
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	950 register_error(as, l, 1, "Section options can only be specified the first time");
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	951 return;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	952 }
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	953 }
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	954 else if (!s)
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	955 {
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	956 s = lwasm_alloc(sizeof(sectiontab_t));
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	957 s -> name = sn;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	958 s -> offset = 0;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	959 s -> flags = 0;
85 918be0c02239 Started adding object target output lost parents: 82 diff changeset	960 s -> obytes = NULL;
918be0c02239 Started adding object target output lost parents: 82 diff changeset	961 s -> oblen = 0;
918be0c02239 Started adding object target output lost parents: 82 diff changeset	962 s -> obsize = 0;
86 033a328a10ae Checkpoint: object target output lost parents: 85 diff changeset	963 s -> rl = NULL;
90 6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	964 s -> exports = NULL;
160 b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	965 // if name of section is "bss" or ".bss", assume bss flag
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	966 // which can be overridden with !bss flag
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	967 if (!strcasecmp(sn, "bss") \|\| !strcasecmp(sn, ".bss"))
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	968 s -> flags = SECTION_BSS;
74 c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	969 // parse options; only one "bss"
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	970 if (opts && as -> passnum == 1)
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	971 {
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	972 if (!strcasecmp(opts, "bss"))
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	973 {
160 b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	974 s -> flags \|= SECTION_BSS;
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	975 }
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	976 else if (!strcasecmp(opts, "!bss"))
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	977 {
b061350c17e4 Added cescapes pragma and a few other compatibility pseudo ops lost parents: 158 diff changeset	978 s -> flags &= ~SECTION_BSS;
74 c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	979 }
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	980 else
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	981 {
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	982 register_error(as, l, 1, "Unrecognized section option '%s'", opts);
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	983 lwasm_free(s -> name);
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	984 lwasm_free(s);
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	985 return;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	986 }
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	987 }
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	988
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	989 s -> next = as -> sections;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	990 as -> sections = s;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	991 }
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	992 as -> addr = s -> offset;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	993 as -> csect = s;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	994 as -> context = lwasm_next_context(as);
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	995 }
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	996
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	997 OPFUNC(pseudo_endsection)
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	998 {
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	999 if (as -> outformat != OUTPUT_OBJ)
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1000 {
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1001 register_error(as, l, 1, "Sections only supported for obj target");
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1002 return;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1003 }
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1004
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1005 if (!(as -> csect))
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1006 {
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1007 register_error(as, l, 1, "ENDSECTION when not in a section");
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1008 return;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1009 }
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1010
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1011 as -> csect -> offset = as -> addr;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1012 as -> addr = 0;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1013 as -> csect = 0;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1014 as -> context = lwasm_next_context(as);
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	1015 }
82 03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	1016
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	1017 OPFUNC(pseudo_extern)
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	1018 {
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	1019 if (as -> passnum != 1)
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	1020 return;
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	1021
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	1022 if (as -> outformat != OUTPUT_OBJ)
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	1023 {
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	1024 register_error(as, l, 1, "External references only supported for obj target");
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	1025 return;
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	1026 }
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	1027
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	1028 if (as -> csect)
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	1029 {
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	1030 register_error(as, l, 1, "Cannot declare external symbols within a section");
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	1031 return;
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	1032 }
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	1033
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	1034 lwasm_register_symbol(as, l, l -> sym, 0, SYMBOL_EXTERN);
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	1035 }
90 6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1036
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1037 OPFUNC(pseudo_export)
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1038 {
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1039 lwasm_symbol_ent_t *se;
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1040 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	1041 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	1042
90 6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1043 if (as -> outformat != OUTPUT_OBJ)
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1044 {
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1045 register_error(as, l, 1, "Symbol exports only supported for obj target");
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1046 return;
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1047 }
158 f0527dc3804d Added support for .globl <sym>, .area <section>, .word, .byte, .blkb, and a .module directive that does nothing lost parents: 151 diff changeset	1048
90 6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1049 if (as -> passnum == 1)
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1050 return;
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1051
158 f0527dc3804d Added support for .globl <sym>, .area <section>, .word, .byte, .blkb, and a .module directive that does nothing lost parents: 151 diff changeset	1052 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	1053 {
f0527dc3804d Added support for .globl <sym>, .area <section>, .word, .byte, .blkb, and a .module directive that does nothing lost parents: 151 diff changeset	1054 // 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	1055 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	1056 {
f0527dc3804d Added support for .globl <sym>, .area <section>, .word, .byte, .blkb, and a .module directive that does nothing lost parents: 151 diff changeset	1057 for (sym2 = p; p && !isspace(p); (p)++)
162 02ada556bcc0 Fixed stupid error with for loop lost parents: 160 diff changeset	1058 /* do nothing */ ;
158 f0527dc3804d Added support for .globl <sym>, .area <section>, .word, .byte, .blkb, and a .module directive that does nothing lost parents: 151 diff changeset	1059 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	1060 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	1061 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	1062
f0527dc3804d Added support for .globl <sym>, .area <section>, .word, .byte, .blkb, and a .module directive that does nothing lost parents: 151 diff changeset	1063 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	1064 }
f0527dc3804d Added support for .globl <sym>, .area <section>, .word, .byte, .blkb, and a .module directive that does nothing lost parents: 151 diff changeset	1065 }
f0527dc3804d Added support for .globl <sym>, .area <section>, .word, .byte, .blkb, and a .module directive that does nothing lost parents: 151 diff changeset	1066 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	1067 {
f0527dc3804d Added support for .globl <sym>, .area <section>, .word, .byte, .blkb, and a .module directive that does nothing lost parents: 151 diff changeset	1068 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	1069 return;
f0527dc3804d Added support for .globl <sym>, .area <section>, .word, .byte, .blkb, and a .module directive that does nothing lost parents: 151 diff changeset	1070 }
f0527dc3804d Added support for .globl <sym>, .area <section>, .word, .byte, .blkb, and a .module directive that does nothing lost parents: 151 diff changeset	1071
f0527dc3804d Added support for .globl <sym>, .area <section>, .word, .byte, .blkb, and a .module directive that does nothing lost parents: 151 diff changeset	1072
90 6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1073 // the symbol better be defined at this point (pass 2)
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1074 // local symbols cannot be exported nor can "global" symbols
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1075 se = lwasm_find_symbol(as, l -> sym, -1);
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1076 if (!se)
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1077 {
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1078 register_error(as, l, 2, "Exported symbols must be fully defined within a section");
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1079 return;
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1080 }
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1081 if (se -> sect == NULL)
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1082 {
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1083 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	1084 return;
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1085 }
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1086
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1087 if (se -> flags & SYMBOL_SET)
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1088 {
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1089 register_error(as, l, 2, "You cannot export symbols defined with SET");
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1090 return;
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1091 }
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1092
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1093 // if the symbol is not already a simple value, re-evaluate it
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1094 // and see if it becomes simple
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1095
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1096
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1097 if (se -> flags & SYMBOL_COMPLEX)
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1098 {
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1099 register_error(as, l, 2, "Exported symbols must be fully resolved on pass 2");
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1100 return;
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1101 }
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1102
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1103 // search for existing export
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1104 for (ex = se -> sect -> exports; ex; ex = ex -> next)
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1105 if (!strcmp(l -> sym, ex -> sym))
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1106 break;
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1107 if (ex)
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1108 {
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1109 register_error(as, l, 2, "Symbol %s already exported", l -> sym);
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1110 return;
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1111 }
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1112
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1113 // add an external reference
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1114 ex = lwasm_alloc(sizeof(export_list_t));
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1115 ex -> next = se -> sect -> exports;
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1116 se -> sect -> exports = ex;
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1117 ex -> offset = se -> value;
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1118 ex -> sym = lwasm_strdup(se -> sym);
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	1119 }

Mercurial > hg-old > index.cgi

annotate lwasm/pseudo.c @ 190:563adfccb645