LWTools Old Repo: src/pseudo.c annotate

annotate src/pseudo.c @ 96:7fbccdd1defb

Added doc subdirectory to distribution

author	lost
date	Sat, 17 Jan 2009 07:09:02 +0000
parents	f3497072ac44
children	3dcb12a6f4ff

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
47 804d7465e0f9 Implemented ORG and fixed problems with constants using $, &, or @ to specify base lost parents: 4 diff changeset	33 OPFUNC(pseudo_org)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	34 {
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	35 int v, r;
52 b9856da2674a Added file inclusion lost parents: 50 diff changeset	36
74 c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	37 if (as -> csect)
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	38 {
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	39 register_error(as, l, 1, "ORG not allowed within sections");
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	40 return;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	41 }
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	42
52 b9856da2674a Added file inclusion lost parents: 50 diff changeset	43 if (as -> passnum != 1)
b9856da2674a Added file inclusion lost parents: 50 diff changeset	44 {
b9856da2674a Added file inclusion lost parents: 50 diff changeset	45 // org is not needed to be processed on pass 2
b9856da2674a Added file inclusion lost parents: 50 diff changeset	46 // this will prevent phasing errors for forward references that
b9856da2674a Added file inclusion lost parents: 50 diff changeset	47 // resolve on the second pass
b9856da2674a Added file inclusion lost parents: 50 diff changeset	48 // we saved the org address in l -> codeaddr on pass 1
b9856da2674a Added file inclusion lost parents: 50 diff changeset	49 as -> addr = l -> codeaddr;
b9856da2674a Added file inclusion lost parents: 50 diff changeset	50 return;
b9856da2674a Added file inclusion lost parents: 50 diff changeset	51 }
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	52
47 804d7465e0f9 Implemented ORG and fixed problems with constants using $, &, or @ to specify base lost parents: 4 diff changeset	53 if (l -> sym)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	54 {
47 804d7465e0f9 Implemented ORG and fixed problems with constants using $, &, or @ to specify base lost parents: 4 diff changeset	55 register_error(as, l, 1, "No symbol allowed with ORG");
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	56 }
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	57
121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	58 r = lwasm_expr_result2(as, l, p, EXPR_PASS1CONST, &v, 0);
121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	59 if (r != 0)
47 804d7465e0f9 Implemented ORG and fixed problems with constants using $, &, or @ to specify base lost parents: 4 diff changeset	60 return;
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	61 l -> codeaddr = v;
49 21ae0fab469b Added needed infra for useful listing of EQU and ORG type statements lost parents: 47 diff changeset	62 l -> addrset = 1;
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	63 as -> addr = v;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	64 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	65
47 804d7465e0f9 Implemented ORG and fixed problems with constants using $, &, or @ to specify base lost parents: 4 diff changeset	66 /*
52 b9856da2674a Added file inclusion lost parents: 50 diff changeset	67 The operand for include is a string optionally enclosed in "
b9856da2674a Added file inclusion lost parents: 50 diff changeset	68 */
b9856da2674a Added file inclusion lost parents: 50 diff changeset	69 OPFUNC(pseudo_include)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	70 {
57495da01900 Initial checking of LWASM lost parents: diff changeset	71 int v1;
52 b9856da2674a Added file inclusion lost parents: 50 diff changeset	72 char *fn;
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	73
52 b9856da2674a Added file inclusion lost parents: 50 diff changeset	74 // only include files on pass 1
b9856da2674a Added file inclusion lost parents: 50 diff changeset	75 // but make sure local include context is right
b9856da2674a Added file inclusion lost parents: 50 diff changeset	76 // for the next line...
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	77 if (as -> passnum != 1)
52 b9856da2674a Added file inclusion lost parents: 50 diff changeset	78 {
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	79 as -> context = lwasm_next_context(as);
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	80 return;
52 b9856da2674a Added file inclusion lost parents: 50 diff changeset	81 }
b9856da2674a Added file inclusion lost parents: 50 diff changeset	82
b9856da2674a Added file inclusion lost parents: 50 diff changeset	83 while (p && isspace(p))
b9856da2674a Added file inclusion lost parents: 50 diff changeset	84 (*p)++;
b9856da2674a Added file inclusion lost parents: 50 diff changeset	85
b9856da2674a Added file inclusion lost parents: 50 diff changeset	86 if (!**p)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	87 {
52 b9856da2674a Added file inclusion lost parents: 50 diff changeset	88 register_error(as, l, 1, "Bad file name");
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	89 return;
57495da01900 Initial checking of LWASM lost parents: diff changeset	90 }
52 b9856da2674a Added file inclusion lost parents: 50 diff changeset	91
b9856da2674a Added file inclusion lost parents: 50 diff changeset	92 if (**p == '"')
b9856da2674a Added file inclusion lost parents: 50 diff changeset	93 {
b9856da2674a Added file inclusion lost parents: 50 diff changeset	94 // search for ending "
b9856da2674a Added file inclusion lost parents: 50 diff changeset	95 (*p)++;
b9856da2674a Added file inclusion lost parents: 50 diff changeset	96 for (v1 = 0; ((p)+v1) && ((p)+v1) != '"'; v1++)
b9856da2674a Added file inclusion lost parents: 50 diff changeset	97 /* do nothing */ ;
b9856da2674a Added file inclusion lost parents: 50 diff changeset	98 if (((p)+v1) != '"')
b9856da2674a Added file inclusion lost parents: 50 diff changeset	99 {
b9856da2674a Added file inclusion lost parents: 50 diff changeset	100 register_error(as, l, 1, "Bad file name");
b9856da2674a Added file inclusion lost parents: 50 diff changeset	101 return;
b9856da2674a Added file inclusion lost parents: 50 diff changeset	102 }
b9856da2674a Added file inclusion lost parents: 50 diff changeset	103 }
b9856da2674a Added file inclusion lost parents: 50 diff changeset	104 else
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	105 {
52 b9856da2674a Added file inclusion lost parents: 50 diff changeset	106 // search for a space type character
b9856da2674a Added file inclusion lost parents: 50 diff changeset	107 for (v1 = 0; ((p)+v1) && !isspace(((p)+v1)); v1++)
b9856da2674a Added file inclusion lost parents: 50 diff changeset	108 ;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	109 }
52 b9856da2674a Added file inclusion lost parents: 50 diff changeset	110
b9856da2674a Added file inclusion lost parents: 50 diff changeset	111 fn = lwasm_alloc(v1 + 1);
b9856da2674a Added file inclusion lost parents: 50 diff changeset	112 memcpy(fn, *p, v1);
b9856da2674a Added file inclusion lost parents: 50 diff changeset	113 fn[v1] = '\0';
b9856da2674a Added file inclusion lost parents: 50 diff changeset	114
b9856da2674a Added file inclusion lost parents: 50 diff changeset	115 // end local label context on include
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	116 as -> context = lwasm_next_context(as);
52 b9856da2674a Added file inclusion lost parents: 50 diff changeset	117 if (lwasm_read_file(as, fn) < 0)
b9856da2674a Added file inclusion lost parents: 50 diff changeset	118 {
b9856da2674a Added file inclusion lost parents: 50 diff changeset	119 register_error(as, l, 1, "File include error (%s)", fn);
b9856da2674a Added file inclusion lost parents: 50 diff changeset	120 }
b9856da2674a Added file inclusion lost parents: 50 diff changeset	121 lwasm_free(fn);
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	122 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	123
50 e672232caffe Added rmb pseudo op lost parents: 49 diff changeset	124 OPFUNC(pseudo_rmb)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	125 {
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	126 int r, v;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	127
95 f3497072ac44 Fixed think-o in rm* ops (reversed pass number test) lost parents: 94 diff changeset	128 if (as -> passnum == 2)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	129 {
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	130 as -> addr += l -> nocodelen;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	131 return;
57495da01900 Initial checking of LWASM lost parents: diff changeset	132 }
94 83ba34ed11b3 Fixed problem with constant expressions evaluating to 0 when they shouldn't lost parents: 90 diff changeset	133 r = lwasm_expr_result2(as, l, p, EXPR_PASS1CONST, &v, -1);
95 f3497072ac44 Fixed think-o in rm* ops (reversed pass number test) lost parents: 94 diff changeset	134 fprintf(stderr, "RMB: v=%d, addr=%d\n", v, as -> addr);
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	135 if (r != 0)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	136 return;
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	137 l -> nocodelen = v;
121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	138 as -> addr += v;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	139 }
53 493cb8ea50a0 Added rm[dq], zm[bdq] lost parents: 52 diff changeset	140
493cb8ea50a0 Added rm[dq], zm[bdq] lost parents: 52 diff changeset	141 OPFUNC(pseudo_rmd)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	142 {
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	143 int r, v;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	144
95 f3497072ac44 Fixed think-o in rm* ops (reversed pass number test) lost parents: 94 diff changeset	145 if (as -> passnum == 2)
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 as -> addr += l -> nocodelen;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	148 return;
57495da01900 Initial checking of LWASM lost parents: diff changeset	149 }
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	150 r = lwasm_expr_result2(as, l, p, EXPR_PASS1CONST, &v, 0);
121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	151 if (r != 0)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	152 return;
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	153 v *= 2;
121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	154 l -> nocodelen = v;
121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	155 as -> addr += v;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	156 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	157
53 493cb8ea50a0 Added rm[dq], zm[bdq] lost parents: 52 diff changeset	158 OPFUNC(pseudo_rmq)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	159 {
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	160 int r, v;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	161
95 f3497072ac44 Fixed think-o in rm* ops (reversed pass number test) lost parents: 94 diff changeset	162 if (as -> passnum == 2)
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 as -> addr += l -> nocodelen;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	165 return;
57495da01900 Initial checking of LWASM lost parents: diff changeset	166 }
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	167 r = lwasm_expr_result2(as, l, p, EXPR_PASS1CONST, &v, 0);
121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	168 if (r != 0)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	169 return;
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	170 v *= 4;
121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	171 l -> nocodelen = v;
121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	172 as -> addr += v;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	173 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	174
53 493cb8ea50a0 Added rm[dq], zm[bdq] lost parents: 52 diff changeset	175 OPFUNC(pseudo_zmb)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	176 {
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	177 int r, v;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	178
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	179 r = lwasm_expr_result2(as, l, p, EXPR_PASS1CONST, &v, 0);
121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	180 if (r != 0)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	181 return;
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	182 while (v--)
53 493cb8ea50a0 Added rm[dq], zm[bdq] lost parents: 52 diff changeset	183 lwasm_emit(as, l, 0);
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	184 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	185
53 493cb8ea50a0 Added rm[dq], zm[bdq] lost parents: 52 diff changeset	186 OPFUNC(pseudo_zmd)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	187 {
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	188 int r, v;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	189
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	190 r = lwasm_expr_result2(as, l, p, EXPR_PASS1CONST, &v, 0);
121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	191 if (r != 0)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	192 return;
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	193 v *= 2;
121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	194 while (v--)
53 493cb8ea50a0 Added rm[dq], zm[bdq] lost parents: 52 diff changeset	195 lwasm_emit(as, l, 0);
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	196 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	197
53 493cb8ea50a0 Added rm[dq], zm[bdq] lost parents: 52 diff changeset	198 OPFUNC(pseudo_zmq)
493cb8ea50a0 Added rm[dq], zm[bdq] lost parents: 52 diff changeset	199 {
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	200 int r, v;
53 493cb8ea50a0 Added rm[dq], zm[bdq] lost parents: 52 diff changeset	201
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	202 r = lwasm_expr_result2(as, l, p, EXPR_PASS1CONST, &v, 0);
121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	203 if (r != 0)
53 493cb8ea50a0 Added rm[dq], zm[bdq] lost parents: 52 diff changeset	204 return;
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	205 v *= 4;
121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	206 while (v--)
53 493cb8ea50a0 Added rm[dq], zm[bdq] lost parents: 52 diff changeset	207 lwasm_emit(as, l, 0);
493cb8ea50a0 Added rm[dq], zm[bdq] lost parents: 52 diff changeset	208 }
493cb8ea50a0 Added rm[dq], zm[bdq] lost parents: 52 diff changeset	209
54 360d53062bb9 Fixed typo in instruction table and added END directive lost parents: 53 diff changeset	210 OPFUNC(pseudo_end)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	211 {
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	212 int r, v;
54 360d53062bb9 Fixed typo in instruction table and added END directive lost parents: 53 diff changeset	213 lwasm_expr_stack_t *s;
360d53062bb9 Fixed typo in instruction table and added END directive lost parents: 53 diff changeset	214
360d53062bb9 Fixed typo in instruction table and added END directive lost parents: 53 diff changeset	215
360d53062bb9 Fixed typo in instruction table and added END directive lost parents: 53 diff changeset	216 as -> endseen = 1;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	217
54 360d53062bb9 Fixed typo in instruction table and added END directive lost parents: 53 diff changeset	218 // address only matters for DECB output
360d53062bb9 Fixed typo in instruction table and added END directive lost parents: 53 diff changeset	219 if (as -> outformat != OUTPUT_DECB)
360d53062bb9 Fixed typo in instruction table and added END directive lost parents: 53 diff changeset	220 return;
360d53062bb9 Fixed typo in instruction table and added END directive lost parents: 53 diff changeset	221
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	222 r = lwasm_expr_result2(as, l, p, 0, &v, 0);
121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	223 if (r != 0)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	224 {
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	225 register_error(as, l, 2, "Bad operand");
54 360d53062bb9 Fixed typo in instruction table and added END directive lost parents: 53 diff changeset	226 }
360d53062bb9 Fixed typo in instruction table and added END directive lost parents: 53 diff changeset	227
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	228 v = v & 0xffff;
54 360d53062bb9 Fixed typo in instruction table and added END directive lost parents: 53 diff changeset	229 if (as -> passnum == 2)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	230 {
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	231 as -> execaddr = v;
121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	232 l -> symaddr = v;
54 360d53062bb9 Fixed typo in instruction table and added END directive lost parents: 53 diff changeset	233 l -> addrset = 2;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	234 }
54 360d53062bb9 Fixed typo in instruction table and added END directive lost parents: 53 diff changeset	235 }
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	236
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	237
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	238 OPFUNC(pseudo_align)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	239 {
57495da01900 Initial checking of LWASM lost parents: diff changeset	240 int cn;
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	241 int r, v;
121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	242
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	243 if (as -> passnum == 2)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	244 {
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	245 while (as -> addr < l -> symaddr)
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	246 lwasm_emit(as, l, 0);
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	247 return;
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	248 }
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	249
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	250 r = lwasm_expr_result2(as, l, p, EXPR_PASS1CONST, &v, 0);
121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	251 if (r != 0)
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	252 {
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	253 l -> symaddr = as -> addr;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	254 return;
57495da01900 Initial checking of LWASM lost parents: diff changeset	255 }
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	256
121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	257 if (v < 1)
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	258 {
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	259 register_error(as, l, 1, "Illegal alignment %d", v);
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	260 return;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	261 }
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 cn = l -> codeaddr % v;
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	264 if (cn)
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	265 cn = v - cn;
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	266
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	267 while (cn--)
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	268 {
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	269 lwasm_emit(as, l, 0);
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	270 }
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	271 l -> symaddr = as -> addr;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	272 }
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	273
50 e672232caffe Added rmb pseudo op lost parents: 49 diff changeset	274 OPFUNC(pseudo_equ)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	275 {
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	276 int r, v;
52 b9856da2674a Added file inclusion lost parents: 50 diff changeset	277
50 e672232caffe Added rmb pseudo op lost parents: 49 diff changeset	278 if (l -> sym == NULL)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	279 {
50 e672232caffe Added rmb pseudo op lost parents: 49 diff changeset	280 register_error(as, l, 1, "No symbol specified");
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	281 return;
57495da01900 Initial checking of LWASM lost parents: diff changeset	282 }
50 e672232caffe Added rmb pseudo op lost parents: 49 diff changeset	283
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	284 r = lwasm_expr_result2(as, l, p, EXPR_PASS1CONST, &v, 0);
121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	285 if (r < 0)
121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	286 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	287
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	288 l -> symaddr = v & 0xFFFF;
50 e672232caffe Added rmb pseudo op lost parents: 49 diff changeset	289 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	290
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	291 // 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	292 // to a constant!
78 121bf4a588ea Checkpointing deployment of non-constant expression handling lost parents: 74 diff changeset	293 lwasm_register_symbol(as, l, l -> sym, v, (r > 0 ? SYMBOL_COMPLEX: SYMBOL_NORM) \| SYMBOL_FORCE);
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	294 }
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	295
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	296 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	297 {
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	298 int r, v;
64 aaddd47219b4 Added the 'set' directive lost parents: 63 diff changeset	299
aaddd47219b4 Added the 'set' directive lost parents: 63 diff changeset	300 // set MUST run on both passes as the symbol value changes!
aaddd47219b4 Added the 'set' directive lost parents: 63 diff changeset	301
aaddd47219b4 Added the 'set' directive lost parents: 63 diff changeset	302 if (l -> sym == NULL)
aaddd47219b4 Added the 'set' directive lost parents: 63 diff changeset	303 {
aaddd47219b4 Added the 'set' directive lost parents: 63 diff changeset	304 register_error(as, l, 1, "No symbol specified");
aaddd47219b4 Added the 'set' directive lost parents: 63 diff changeset	305 return;
aaddd47219b4 Added the 'set' directive lost parents: 63 diff changeset	306 }
aaddd47219b4 Added the 'set' directive lost parents: 63 diff changeset	307
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	308 r = lwasm_expr_result2(as, l, p, EXPR_PASS1CONST, &v, 0);
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	309 if (r < 0)
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	310 v = 0;
64 aaddd47219b4 Added the 'set' directive lost parents: 63 diff changeset	311
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	312 l -> symaddr = v & 0xFFFF;
64 aaddd47219b4 Added the 'set' directive lost parents: 63 diff changeset	313 l -> addrset = 2;
aaddd47219b4 Added the 'set' directive lost parents: 63 diff changeset	314
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	315 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	316 }
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	317
65 31d8e85706e7 Implemented setdp and corrected handling of direct page detection in insn_gen_aux() lost parents: 64 diff changeset	318 OPFUNC(pseudo_setdp)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	319 {
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	320 int r, v;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	321
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	322 if (as -> outformat == OUTPUT_OBJ)
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	323 {
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	324 register_error(as, l, 1, "SETDP not permitted with OBJ target");
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	325 return;
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	326 }
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 // setdp is needed on both passes; must resolve to a constant on pass 1
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	329 r = lwasm_expr_result2(as, l, p, EXPR_PASS1CONST, &v, 0);
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	330 if (r != 0)
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	331 return;
65 31d8e85706e7 Implemented setdp and corrected handling of direct page detection in insn_gen_aux() lost parents: 64 diff changeset	332
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	333 if (v < -127 \|\| v > 255)
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	334 {
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	335 register_error(as, l, 1, "Byte overflow");
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	336 return;
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	337 }
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 l -> symaddr = v & 0xFF;
65 31d8e85706e7 Implemented setdp and corrected handling of direct page detection in insn_gen_aux() lost parents: 64 diff changeset	340 l -> addrset = 2;
31d8e85706e7 Implemented setdp and corrected handling of direct page detection in insn_gen_aux() lost parents: 64 diff changeset	341
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	342 as -> dpval = v & 0xFF;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	343 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	344
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	345 OPFUNC(pseudo_fcc)
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	346 {
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	347 int delim = 0;
57495da01900 Initial checking of LWASM lost parents: diff changeset	348
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	349 delim = **p;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	350 if (!delim)
57495da01900 Initial checking of LWASM lost parents: diff changeset	351 {
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	352 register_error(as, l, 1, "Bad operand");
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	353 return;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	354 }
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	355 *p += 1;
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	356 while (p && p != delim)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	357 {
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	358 lwasm_emit(as, l, **p);
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	359 (*p)++;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	360 }
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	361 if (**p)
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	362 (*p)++;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	363 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	364
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	365
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	366 OPFUNC(pseudo_fcs)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	367 {
57495da01900 Initial checking of LWASM lost parents: diff changeset	368 int delim = 0;
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	369
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	370 delim = **p;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	371 if (!delim)
57495da01900 Initial checking of LWASM lost parents: diff changeset	372 {
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	373 register_error(as, l, 1, "Bad operand");
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	374 return;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	375 }
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	376 *p += 1;
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	377 while (p && p != delim)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	378 {
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	379 if (!((p) + 1) \|\| ((p) + 1) == delim)
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	380 lwasm_emit(as, l, **p \| 0x80);
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	381 else
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	382 lwasm_emit(as, l, **p);
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	383 (*p)++;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	384 }
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	385 if (**p)
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	386 (*p)++;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	387 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	388
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	389 OPFUNC(pseudo_fcn)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	390 {
57495da01900 Initial checking of LWASM lost parents: diff changeset	391 int delim = 0;
57495da01900 Initial checking of LWASM lost parents: diff changeset	392
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	393 delim = **p;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	394 if (!delim)
57495da01900 Initial checking of LWASM lost parents: diff changeset	395 {
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	396 register_error(as, l, 1, "Bad operand");
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	397 return;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	398 }
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	399 *p += 1;
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	400 while (p && p != delim)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	401 {
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	402 lwasm_emit(as, l, **p);
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	403 (*p)++;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	404 }
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	405 if (**p)
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	406 (*p)++;
55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	407 lwasm_emit(as, l, 0);
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	408 }
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	409
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	410 // FIXME: handle external, etc., references in a useful manner
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	411 OPFUNC(pseudo_fcb)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	412 {
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	413 int r, v;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	414
57495da01900 Initial checking of LWASM lost parents: diff changeset	415 fcb_again:
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	416 r = lwasm_expr_result2(as, l, p, 0, &v, -1);
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	417 if (r < 0)
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	418 return;
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	419
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	420 if (r > 0)
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	421 {
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	422 register_error(as, l, 2, "Illegal external or inter-segment reference");
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	423 v = 0;
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	424 }
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	425
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	426 if (v < -127 \|\| v > 255)
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	427 {
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	428 register_error(as, l, 1, "Byte overflow");
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	429 }
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	430
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	431 lwasm_emit(as, l, v);
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	432 if (**p == ',')
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	433 {
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	434 (*p)++;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	435 goto fcb_again;
57495da01900 Initial checking of LWASM lost parents: diff changeset	436 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	437 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	438
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	439 // FIXME: handle external references in an intelligent way
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	440 OPFUNC(pseudo_fdb)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	441 {
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	442 int r, v;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	443
57495da01900 Initial checking of LWASM lost parents: diff changeset	444 fdb_again:
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	445 r = lwasm_expr_result2(as, l, p, 0, &v, -1);
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	446 if (r < 0)
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	447 return;
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	448
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	449 if (r > 0)
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	450 {
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	451 register_error(as, l, 2, "Illegal external or inter-segment reference");
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	452 v = 0;
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	453 }
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	454
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	455 lwasm_emit(as, l, v >> 8);
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	456 lwasm_emit(as, l, v & 0xff);
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	457 if (**p == ',')
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	458 {
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	459 (*p)++;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	460 goto fdb_again;
57495da01900 Initial checking of LWASM lost parents: diff changeset	461 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	462 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	463
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	464 // FIXME: handle external references in a sensible way
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	465 OPFUNC(pseudo_fqb)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	466 {
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	467 int r, v;
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	468
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	469 fqb_again:
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	470 r = lwasm_expr_result2(as, l, p, 0, &v, -1);
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	471 if (r < 0)
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	472 return;
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	473
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	474 if (r > 0)
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	475 {
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	476 register_error(as, l, 2, "Illegal external or inter-segment reference");
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	477 v = 0;
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	478 }
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	479
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	480 lwasm_emit(as, l, v >> 24);
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	481 lwasm_emit(as, l, v >> 16);
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	482 lwasm_emit(as, l, v >> 8);
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	483 lwasm_emit(as, l, v & 0xff);
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	484 if (**p == ',')
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	485 {
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	486 (*p)++;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	487 goto fqb_again;
57495da01900 Initial checking of LWASM lost parents: diff changeset	488 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	489 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	490
57495da01900 Initial checking of LWASM lost parents: diff changeset	491 // 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	492 OPFUNC(pseudo_endc)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	493 {
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	494 if (as -> skipcond && !(as -> skipmacro))
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	495 {
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	496 as -> skipcount -= 1;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	497 if (as -> skipcount <= 0)
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	498 {
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	499 as -> skipcond = 0;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	500 }
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	501 }
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	502 return;
57495da01900 Initial checking of LWASM lost parents: diff changeset	503 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	504
57495da01900 Initial checking of LWASM lost parents: diff changeset	505 // if "else" executes, we must be going into an "ignore" state
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	506 OPFUNC(pseudo_else)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	507 {
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	508 if (as -> skipmacro)
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	509 return;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	510
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	511 if (as -> skipcond)
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	512 {
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	513 if (as -> skipcount == 1)
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	514 {
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	515 as -> skipcount = 0;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	516 as -> skipcond = 0;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	517 }
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	518 return;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	519 }
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	520
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	521 as -> skipcond = 1;
57495da01900 Initial checking of LWASM lost parents: diff changeset	522 as -> skipcount = 1;
57495da01900 Initial checking of LWASM lost parents: diff changeset	523 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	524
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	525 OPFUNC(pseudo_ifne)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	526 {
57495da01900 Initial checking of LWASM lost parents: diff changeset	527 int v1;
57495da01900 Initial checking of LWASM lost parents: diff changeset	528 int rval;
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	529
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	530 if (as -> skipcond && !(as -> skipmacro))
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	531 {
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	532 as -> skipcount++;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	533 return;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	534 }
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	535
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	536 rval = lwasm_expr_result2(as, l, p, EXPR_PASS1CONST, &v1, 0);
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	537 if (rval != 0)
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	538 return;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	539 if (!v1)
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	540 {
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	541 as -> skipcond = 1;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	542 as -> skipcount = 1;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	543 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	544 }
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	545
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	546 OPFUNC(pseudo_ifeq)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	547 {
57495da01900 Initial checking of LWASM lost parents: diff changeset	548 int v1;
57495da01900 Initial checking of LWASM lost parents: diff changeset	549 int rval;
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	550
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	551 if (as -> skipcond && !(as -> skipmacro))
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	552 {
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	553 as -> skipcount++;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	554 return;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	555 }
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	556
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	557 rval = lwasm_expr_result2(as, l, p, EXPR_PASS1CONST, &v1, 0);
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	558 if (rval != 0)
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	559 return;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	560 if (v1)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	561 {
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	562 as -> skipcond = 1;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	563 as -> skipcount = 1;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	564 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	565 }
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	566
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	567 OPFUNC(pseudo_iflt)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	568 {
57495da01900 Initial checking of LWASM lost parents: diff changeset	569 int v1;
57495da01900 Initial checking of LWASM lost parents: diff changeset	570 int rval;
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	571
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	572 if (as -> skipcond && !(as -> skipmacro))
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	573 {
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	574 as -> skipcount++;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	575 return;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	576 }
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	577
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	578 rval = lwasm_expr_result2(as, l, p, EXPR_PASS1CONST, &v1, 0);
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	579 if (rval != 0)
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	580 return;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	581 if (v1 >= 0)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	582 {
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	583 as -> skipcond = 1;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	584 as -> skipcount = 1;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	585 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	586 }
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	587
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	588 OPFUNC(pseudo_ifle)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	589 {
57495da01900 Initial checking of LWASM lost parents: diff changeset	590 int v1;
57495da01900 Initial checking of LWASM lost parents: diff changeset	591 int rval;
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	592
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	593 if (as -> skipcond && !(as -> skipmacro))
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	594 {
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	595 as -> skipcount++;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	596 return;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	597 }
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	598
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	599 rval = lwasm_expr_result2(as, l, p, EXPR_PASS1CONST, &v1, 0);
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	600 if (rval != 0)
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	601 return;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	602 if (v1 > 0)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	603 {
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	604 as -> skipcond = 1;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	605 as -> skipcount = 1;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	606 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	607 }
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	608
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	609 OPFUNC(pseudo_ifgt)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	610 {
57495da01900 Initial checking of LWASM lost parents: diff changeset	611 int v1;
57495da01900 Initial checking of LWASM lost parents: diff changeset	612 int rval;
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	613
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	614 if (as -> skipcond && !(as -> skipmacro))
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	615 {
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	616 as -> skipcount++;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	617 return;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	618 }
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	619
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	620 rval = lwasm_expr_result2(as, l, p, EXPR_PASS1CONST, &v1, 0);
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	621 if (rval != 0)
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	622 return;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	623 if (v1 <= 0)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	624 {
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	625 as -> skipcond = 1;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	626 as -> skipcount = 1;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	627 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	628 }
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	629
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	630 OPFUNC(pseudo_ifge)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	631 {
57495da01900 Initial checking of LWASM lost parents: diff changeset	632 int v1;
57495da01900 Initial checking of LWASM lost parents: diff changeset	633 int rval;
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	634
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	635 if (as -> skipcond && !(as -> skipmacro))
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	636 {
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	637 as -> skipcount++;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	638 return;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	639 }
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	640
79 d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	641 rval = lwasm_expr_result2(as, l, p, EXPR_PASS1CONST, &v1, 0);
d0ce3f5f6797 Checkpointing deployment of non-constant expression handling lost parents: 78 diff changeset	642 if (rval != 0)
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	643 return;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	644 if (v1 < 0)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	645 {
57 035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	646 as -> skipcond = 1;
035b95a3690f Added conditional assembly and macros lost parents: 56 diff changeset	647 as -> skipcount = 1;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	648 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	649 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	650
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	651 OPFUNC(pseudo_error)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	652 {
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	653 register_error(as, l, 1, "User error: %s", *p);
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	654 }
56 55260a178667 Added from f* pseudo ops lost parents: 54 diff changeset	655
74 c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	656
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	657 OPFUNC(pseudo_section)
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	658 {
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	659 sectiontab_t *s;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	660 char *p2;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	661 char *sn;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	662 char *opts;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	663
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	664
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	665 if (as -> outformat != OUTPUT_OBJ)
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	666 {
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	667 register_error(as, l, 1, "Sections only supported for obj target");
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	668 return;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	669 }
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	670
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	671 if (as -> csect)
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	672 {
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	673 as -> csect -> offset = as -> addr;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	674 as -> csect = NULL;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	675 }
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	676
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	677 if (!**p)
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	678 {
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	679 register_error(as, l, 1, "Need section name");
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	680 return;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	681 }
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	682
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	683 for (p2 = p; p2 && !isspace(*p2); p2++)
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	684 /* do nothing */ ;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	685
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	686 sn = lwasm_alloc(p2 - *p + 1);
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	687 memcpy(sn, p, p2 - p);
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	688 sn[p2 - *p] = '\0';
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	689
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	690 *p = p2;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	691
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	692 opts = strchr(sn, ',');
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	693 if (opts)
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	694 {
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	695 *opts++ = '\0';
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	696 }
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	697
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	698 // have we seen the section name already?
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	699 for (s = as -> sections; s; s = s -> next)
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	700 {
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	701 if (!strcmp(s -> name, sn))
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	702 break;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	703 }
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	704
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	705 if (s)
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	706 {
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	707 lwasm_free(sn);
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	708 if (opts)
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	709 {
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	710 register_error(as, l, 1, "Section options can only be specified the first time");
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	711 return;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	712 }
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	713 }
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	714 else if (!s)
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	715 {
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	716 s = lwasm_alloc(sizeof(sectiontab_t));
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	717 s -> name = sn;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	718 s -> offset = 0;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	719 s -> flags = 0;
85 918be0c02239 Started adding object target output lost parents: 82 diff changeset	720 s -> obytes = NULL;
918be0c02239 Started adding object target output lost parents: 82 diff changeset	721 s -> oblen = 0;
918be0c02239 Started adding object target output lost parents: 82 diff changeset	722 s -> obsize = 0;
86 033a328a10ae Checkpoint: object target output lost parents: 85 diff changeset	723 s -> rl = NULL;
90 6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	724 s -> exports = NULL;
74 c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	725 // parse options; only one "bss"
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	726 if (opts && as -> passnum == 1)
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	727 {
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	728 if (!strcasecmp(opts, "bss"))
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	729 {
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	730 s -> flags = SECTION_BSS;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	731 }
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	732 else
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	733 {
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	734 register_error(as, l, 1, "Unrecognized section option '%s'", opts);
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	735 lwasm_free(s -> name);
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	736 lwasm_free(s);
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	737 return;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	738 }
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	739 }
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	740
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	741 s -> next = as -> sections;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	742 as -> sections = s;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	743 }
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	744 as -> addr = s -> offset;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	745 as -> csect = s;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	746 as -> context = lwasm_next_context(as);
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	747 }
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	748
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	749 OPFUNC(pseudo_endsection)
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	750 {
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	751 if (as -> outformat != OUTPUT_OBJ)
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	752 {
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	753 register_error(as, l, 1, "Sections only supported for obj target");
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	754 return;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	755 }
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	756
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	757 if (!(as -> csect))
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	758 {
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	759 register_error(as, l, 1, "ENDSECTION when not in a section");
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	760 return;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	761 }
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	762
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	763 as -> csect -> offset = as -> addr;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	764 as -> addr = 0;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	765 as -> csect = 0;
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	766 as -> context = lwasm_next_context(as);
c8c772ef5df9 Checkpointing object target implementation lost parents: 65 diff changeset	767 }
82 03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	768
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	769 OPFUNC(pseudo_extern)
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	770 {
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	771 if (as -> passnum != 1)
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	772 return;
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	773
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	774 if (as -> outformat != OUTPUT_OBJ)
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	775 {
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	776 register_error(as, l, 1, "External references only supported for obj target");
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	777 return;
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	778 }
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	779
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	780 if (as -> csect)
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	781 {
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	782 register_error(as, l, 1, "Cannot declare external symbols within a section");
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	783 return;
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	784 }
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	785
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	786 lwasm_register_symbol(as, l, l -> sym, 0, SYMBOL_EXTERN);
03be43ae19cf Added EXTERN directive lost parents: 79 diff changeset	787 }
90 6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	788
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	789 OPFUNC(pseudo_export)
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	790 {
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	791 lwasm_symbol_ent_t *se;
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	792 export_list_t *ex;
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	793
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	794 if (as -> outformat != OUTPUT_OBJ)
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	795 {
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	796 register_error(as, l, 1, "Symbol exports only supported for obj target");
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	797 return;
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	798 }
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	799
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	800 if (as -> passnum == 1)
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	801 return;
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	802
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	803 // the symbol better be defined at this point (pass 2)
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	804 // local symbols cannot be exported nor can "global" symbols
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	805 se = lwasm_find_symbol(as, l -> sym, -1);
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	806 if (!se)
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	807 {
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	808 register_error(as, l, 2, "Exported symbols must be fully defined within a section");
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	809 return;
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	810 }
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	811 if (se -> sect == NULL)
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	812 {
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	813 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	814 return;
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	815 }
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	816
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	817 if (se -> flags & SYMBOL_SET)
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	818 {
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	819 register_error(as, l, 2, "You cannot export symbols defined with SET");
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	820 return;
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	821 }
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	822
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	823 // if the symbol is not already a simple value, re-evaluate it
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	824 // and see if it becomes simple
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	825
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	826
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	827 if (se -> flags & SYMBOL_COMPLEX)
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	828 {
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	829 register_error(as, l, 2, "Exported symbols must be fully resolved on pass 2");
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	830 return;
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	831 }
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	832
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	833 // search for existing export
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	834 for (ex = se -> sect -> exports; ex; ex = ex -> next)
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	835 if (!strcmp(l -> sym, ex -> sym))
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	836 break;
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	837 if (ex)
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	838 {
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	839 register_error(as, l, 2, "Symbol %s already exported", l -> sym);
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	840 return;
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	841 }
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	842
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	843 // add an external reference
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	844 ex = lwasm_alloc(sizeof(export_list_t));
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	845 ex -> next = se -> sect -> exports;
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	846 se -> sect -> exports = ex;
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	847 ex -> offset = se -> value;
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	848 ex -> sym = lwasm_strdup(se -> sym);
6097cb1486f8 Added EXPORT pseudo op lost parents: 86 diff changeset	849 }

Mercurial > hg-old > index.cgi

annotate src/pseudo.c @ 96:7fbccdd1defb