LWTools: lwlink/link.c annotate

annotate lwlink/link.c @ 157:4682460aed00

Correct bug with handling symbol resolution and constant section handling

author	lost@l-w.ca
date	Sun, 28 Aug 2011 11:45:38 -0600
parents	fc8386b13399
children	d389adbcc4ab

rev	line source
0 2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	1 /*
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	2 link.c
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	3 Copyright © 2009 William Astle
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	4
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	5 This file is part of LWLINK.
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	6
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	7 LWLINK is free software: you can redistribute it and/or modify it under the
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	8 terms of the GNU General Public License as published by the Free Software
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	9 Foundation, either version 3 of the License, or (at your option) any later
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	10 version.
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	11
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	12 This program is distributed in the hope that it will be useful, but WITHOUT
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	15 more details.
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	16
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	17 You should have received a copy of the GNU General Public License along with
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	18 this program. If not, see <http://www.gnu.org/licenses/>.
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	19
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	20
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	21 Resolve section and symbol addresses; handle incomplete references
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	22 */
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	23
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	24 #include <stdio.h>
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	25 #include <stdlib.h>
2 7317fbe024af Clean up insane number of compiler warnings under -Wall lost@l-w.ca parents: 0 diff changeset	26 #include <string.h>
0 2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	27
8 fdc11ef4115b Switched lwlink to lw_cmdline from argp and also brought in lw_alloc and lw_string to replace util.c lost@l-w.ca parents: 2 diff changeset	28 #include <lw_alloc.h>
fdc11ef4115b Switched lwlink to lw_cmdline from argp and also brought in lw_alloc and lw_string to replace util.c lost@l-w.ca parents: 2 diff changeset	29
0 2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	30 #include "expr.h"
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	31 #include "lwlink.h"
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	32
148 08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	33 void check_os9(void);
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	34
0 2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	35 struct section_list *sectlist = NULL;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	36 int nsects = 0;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	37 static int nforced = 0;
157 4682460aed00 Correct bug with handling symbol resolution and constant section handling lost@l-w.ca parents: 156 diff changeset	38 static int resolveonly = 0;
0 2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	39
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	40 void check_section_name(char name, int base, fileinfo_t *fn)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	41 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	42 int sn;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	43
157 4682460aed00 Correct bug with handling symbol resolution and constant section handling lost@l-w.ca parents: 156 diff changeset	44 // fprintf(stderr, "Considering sections in %s (%d) for %s\n", fn -> filename, fn -> forced, name);
0 2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	45 if (fn -> forced == 0)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	46 return;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	47
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	48 for (sn = 0; sn < fn -> nsections; sn++)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	49 {
157 4682460aed00 Correct bug with handling symbol resolution and constant section handling lost@l-w.ca parents: 156 diff changeset	50 // fprintf(stderr, " Considering section %s\n", fn -> sections[sn].name);
4682460aed00 Correct bug with handling symbol resolution and constant section handling lost@l-w.ca parents: 156 diff changeset	51 if (!strcmp(name, (char *)(fn -> sections[sn].name)))
0 2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	52 {
157 4682460aed00 Correct bug with handling symbol resolution and constant section handling lost@l-w.ca parents: 156 diff changeset	53 if (fn -> sections[sn].flags & SECTION_CONST)
4682460aed00 Correct bug with handling symbol resolution and constant section handling lost@l-w.ca parents: 156 diff changeset	54 continue;
0 2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	55 // we have a match
157 4682460aed00 Correct bug with handling symbol resolution and constant section handling lost@l-w.ca parents: 156 diff changeset	56 // fprintf(stderr, " Found\n");
0 2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	57 sectlist = lw_realloc(sectlist, sizeof(struct section_list) * (nsects + 1));
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	58 sectlist[nsects].ptr = &(fn -> sections[sn]);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	59
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	60 fn -> sections[sn].processed = 1;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	61 fn -> sections[sn].loadaddress = *base;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	62 *base += fn -> sections[sn].codesize;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	63 nsects++;
157 4682460aed00 Correct bug with handling symbol resolution and constant section handling lost@l-w.ca parents: 156 diff changeset	64 // fprintf(stderr, "Adding section %s (%s)\n",fn -> sections[sn].name, fn -> filename);
0 2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	65 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	66 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	67 for (sn = 0; sn < fn -> nsubs; sn++)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	68 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	69 check_section_name(name, base, fn -> subs[sn]);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	70 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	71 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	72
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	73 void add_matching_sections(char name, int yesflags, int noflags, int base);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	74 void check_section_flags(int yesflags, int noflags, int base, fileinfo_t fn)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	75 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	76 int sn;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	77
157 4682460aed00 Correct bug with handling symbol resolution and constant section handling lost@l-w.ca parents: 156 diff changeset	78 // fprintf(stderr, "Considering sections in %s (%d) for %x/%x\n", fn -> filename, fn -> forced, yesflags, noflags);
4682460aed00 Correct bug with handling symbol resolution and constant section handling lost@l-w.ca parents: 156 diff changeset	79
0 2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	80 if (fn -> forced == 0)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	81 return;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	82
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	83 for (sn = 0; sn < fn -> nsections; sn++)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	84 {
157 4682460aed00 Correct bug with handling symbol resolution and constant section handling lost@l-w.ca parents: 156 diff changeset	85 // ignore "constant" sections - they're added during the file resolve stage
156 fc8386b13399 Added 'constant' sections to object file handling for lwasm and lwlink lost@l-w.ca parents: 155 diff changeset	86 if (fn -> sections[sn].flags & SECTION_CONST)
fc8386b13399 Added 'constant' sections to object file handling for lwasm and lwlink lost@l-w.ca parents: 155 diff changeset	87 continue;
0 2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	88 // ignore if the noflags tell us to
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	89 if (noflags && (fn -> sections[sn].flags & noflags))
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	90 continue;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	91 // ignore unless the yesflags tell us not to
2 7317fbe024af Clean up insane number of compiler warnings under -Wall lost@l-w.ca parents: 0 diff changeset	92 if (yesflags && ((fn -> sections[sn].flags & yesflags) == 0))
0 2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	93 continue;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	94 // ignore it if already processed
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	95 if (fn -> sections[sn].processed)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	96 continue;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	97
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	98 // we have a match - now collect all sections of the same name!
157 4682460aed00 Correct bug with handling symbol resolution and constant section handling lost@l-w.ca parents: 156 diff changeset	99 // fprintf(stderr, " Found\n");
2 7317fbe024af Clean up insane number of compiler warnings under -Wall lost@l-w.ca parents: 0 diff changeset	100 add_matching_sections((char *)(fn -> sections[sn].name), 0, 0, base);
0 2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	101
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	102 // and then continue looking for sections
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	103 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	104 for (sn = 0; sn < fn -> nsubs; sn++)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	105 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	106 check_section_flags(yesflags, noflags, base, fn -> subs[sn]);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	107 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	108 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	109
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	110
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	111
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	112 void add_matching_sections(char name, int yesflags, int noflags, int base)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	113 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	114 int fn;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	115 if (name)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	116 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	117 // named section
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	118 // look for all instances of a section by the specified name
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	119 // and resolve base addresses and add to the list
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	120 for (fn = 0; fn < ninputfiles; fn++)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	121 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	122 check_section_name(name, base, inputfiles[fn]);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	123 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	124 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	125 else
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	126 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	127 // wildcard section
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	128 // named section
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	129 // look for all instances of a section by the specified name
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	130 // and resolve base addresses and add to the list
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	131 for (fn = 0; fn < ninputfiles; fn++)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	132 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	133 check_section_flags(yesflags, noflags, base, inputfiles[fn]);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	134 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	135 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	136 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	137
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	138 // work out section load order and resolve base addresses for each section
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	139 // make a list of sections to load in order
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	140 void resolve_sections(void)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	141 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	142 int laddr = 0;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	143 int ln, sn, fn;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	144
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	145 for (ln = 0; ln < linkscript.nlines; ln++)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	146 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	147 if (linkscript.lines[ln].loadat >= 0)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	148 laddr = linkscript.lines[ln].loadat;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	149 add_matching_sections(linkscript.lines[ln].sectname, linkscript.lines[ln].yesflags, linkscript.lines[ln].noflags, &laddr);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	150
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	151 if (linkscript.lines[ln].sectname)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	152 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	153 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	154 else
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	155 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	156 // wildcard section
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	157 // look for all sections not yet processed that match flags
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	158
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	159 int f = 0;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	160 int fn0, sn0;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	161 char *sname;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	162
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	163 // named section
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	164 // look for all instances of a section by the specified name
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	165 // and resolve base addresses and add to the list
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	166 for (fn0 = 0; fn0 < ninputfiles; fn0++)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	167 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	168 for (sn0 = 0; sn0 < inputfiles[fn0] -> nsections; sn0++)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	169 {
156 fc8386b13399 Added 'constant' sections to object file handling for lwasm and lwlink lost@l-w.ca parents: 155 diff changeset	170 // ignore "constant" sections
fc8386b13399 Added 'constant' sections to object file handling for lwasm and lwlink lost@l-w.ca parents: 155 diff changeset	171 if (inputfiles[fn0] -> sections[sn0].flags & SECTION_CONST)
fc8386b13399 Added 'constant' sections to object file handling for lwasm and lwlink lost@l-w.ca parents: 155 diff changeset	172 continue;
0 2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	173 // ignore if the "no flags" bit says to
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	174 if (linkscript.lines[ln].noflags && (inputfiles[fn0] -> sections[sn0].flags & linkscript.lines[ln].noflags))
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	175 continue;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	176 // ignore unless the yes flags tell us not to
2 7317fbe024af Clean up insane number of compiler warnings under -Wall lost@l-w.ca parents: 0 diff changeset	177 if (linkscript.lines[ln].yesflags && ((inputfiles[fn0] -> sections[sn0].flags & linkscript.lines[ln].yesflags) == 0))
0 2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	178 continue;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	179 if (inputfiles[fn0] -> sections[sn0].processed == 0)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	180 {
2 7317fbe024af Clean up insane number of compiler warnings under -Wall lost@l-w.ca parents: 0 diff changeset	181 sname = (char *)(inputfiles[fn0] -> sections[sn0].name);
0 2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	182 for (fn = 0; fn < ninputfiles; fn++)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	183 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	184 for (sn = 0; sn < inputfiles[fn] -> nsections; sn++)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	185 {
2 7317fbe024af Clean up insane number of compiler warnings under -Wall lost@l-w.ca parents: 0 diff changeset	186 if (!strcmp(sname, (char *)(inputfiles[fn] -> sections[sn].name)))
0 2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	187 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	188 // we have a match
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	189 sectlist = lw_realloc(sectlist, sizeof(struct section_list) * (nsects + 1));
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	190 sectlist[nsects].ptr = &(inputfiles[fn] -> sections[sn]);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	191
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	192 inputfiles[fn] -> sections[sn].processed = 1;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	193 if (!f && linkscript.lines[ln].loadat >= 0)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	194 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	195 f = 1;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	196 sectlist[nsects].forceaddr = 1;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	197 laddr = linkscript.lines[ln].loadat;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	198 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	199 else
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	200 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	201 sectlist[nsects].forceaddr = 0;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	202 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	203 inputfiles[fn] -> sections[sn].loadaddress = laddr;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	204 laddr += inputfiles[fn] -> sections[sn].codesize;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	205 nsects++;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	206 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	207 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	208 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	209 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	210 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	211 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	212 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	213 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	214
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	215 // theoretically, all the base addresses are set now
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	216 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	217
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	218 lw_expr_stack_t find_external_sym_recurse(char sym, fileinfo_t *fn)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	219 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	220 int sn;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	221 lw_expr_stack_t *r;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	222 lw_expr_term_t *term;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	223 symtab_t *se;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	224 int val;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	225
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	226 for (sn = 0; sn < fn -> nsections; sn++)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	227 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	228 for (se = fn -> sections[sn].exportedsyms; se; se = se -> next)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	229 {
157 4682460aed00 Correct bug with handling symbol resolution and constant section handling lost@l-w.ca parents: 156 diff changeset	230 // fprintf(stderr, " Considering %s\n", se -> sym);
2 7317fbe024af Clean up insane number of compiler warnings under -Wall lost@l-w.ca parents: 0 diff changeset	231 if (!strcmp(sym, (char *)(se -> sym)))
0 2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	232 {
157 4682460aed00 Correct bug with handling symbol resolution and constant section handling lost@l-w.ca parents: 156 diff changeset	233 // fprintf(stderr, " Match (%d)\n", fn -> sections[sn].processed);
156 fc8386b13399 Added 'constant' sections to object file handling for lwasm and lwlink lost@l-w.ca parents: 155 diff changeset	234 // if the section was not previously processed and is CONSTANT, force it in
fc8386b13399 Added 'constant' sections to object file handling for lwasm and lwlink lost@l-w.ca parents: 155 diff changeset	235 // otherwise error out if it is not being processed
fc8386b13399 Added 'constant' sections to object file handling for lwasm and lwlink lost@l-w.ca parents: 155 diff changeset	236 if (fn -> sections[sn].processed == 0)
fc8386b13399 Added 'constant' sections to object file handling for lwasm and lwlink lost@l-w.ca parents: 155 diff changeset	237 {
fc8386b13399 Added 'constant' sections to object file handling for lwasm and lwlink lost@l-w.ca parents: 155 diff changeset	238 if (fn -> sections[sn].flags & SECTION_CONST)
fc8386b13399 Added 'constant' sections to object file handling for lwasm and lwlink lost@l-w.ca parents: 155 diff changeset	239 {
fc8386b13399 Added 'constant' sections to object file handling for lwasm and lwlink lost@l-w.ca parents: 155 diff changeset	240 // add to section list
fc8386b13399 Added 'constant' sections to object file handling for lwasm and lwlink lost@l-w.ca parents: 155 diff changeset	241 sectlist = lw_realloc(sectlist, sizeof(struct section_list) * (nsects + 1));
fc8386b13399 Added 'constant' sections to object file handling for lwasm and lwlink lost@l-w.ca parents: 155 diff changeset	242 sectlist[nsects].ptr = &(fn -> sections[sn]);
fc8386b13399 Added 'constant' sections to object file handling for lwasm and lwlink lost@l-w.ca parents: 155 diff changeset	243 fn -> sections[sn].processed = 1;
fc8386b13399 Added 'constant' sections to object file handling for lwasm and lwlink lost@l-w.ca parents: 155 diff changeset	244 fn -> sections[sn].loadaddress = 0;
fc8386b13399 Added 'constant' sections to object file handling for lwasm and lwlink lost@l-w.ca parents: 155 diff changeset	245 nsects++;
fc8386b13399 Added 'constant' sections to object file handling for lwasm and lwlink lost@l-w.ca parents: 155 diff changeset	246 }
fc8386b13399 Added 'constant' sections to object file handling for lwasm and lwlink lost@l-w.ca parents: 155 diff changeset	247 else
fc8386b13399 Added 'constant' sections to object file handling for lwasm and lwlink lost@l-w.ca parents: 155 diff changeset	248 {
157 4682460aed00 Correct bug with handling symbol resolution and constant section handling lost@l-w.ca parents: 156 diff changeset	249 if (resolveonly == 0)
4682460aed00 Correct bug with handling symbol resolution and constant section handling lost@l-w.ca parents: 156 diff changeset	250 {
4682460aed00 Correct bug with handling symbol resolution and constant section handling lost@l-w.ca parents: 156 diff changeset	251 fprintf(stderr, "Symbol %s found in section %s (%s) which is not going to be included\n", sym, fn -> sections[sn].name, fn -> filename);
4682460aed00 Correct bug with handling symbol resolution and constant section handling lost@l-w.ca parents: 156 diff changeset	252 continue;
4682460aed00 Correct bug with handling symbol resolution and constant section handling lost@l-w.ca parents: 156 diff changeset	253 }
156 fc8386b13399 Added 'constant' sections to object file handling for lwasm and lwlink lost@l-w.ca parents: 155 diff changeset	254 }
fc8386b13399 Added 'constant' sections to object file handling for lwasm and lwlink lost@l-w.ca parents: 155 diff changeset	255 }
155 1571e150f1fd Fixed error where external references within a library file were not resolved when linking lost@l-w.ca parents: 149 diff changeset	256 // fprintf(stderr, "Found symbol %s in %s\n", sym, fn -> filename);
0 2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	257 if (!(fn -> forced))
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	258 {
155 1571e150f1fd Fixed error where external references within a library file were not resolved when linking lost@l-w.ca parents: 149 diff changeset	259 // fprintf(stderr, " Forced\n");
0 2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	260 fn -> forced = 1;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	261 nforced = 1;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	262 }
156 fc8386b13399 Added 'constant' sections to object file handling for lwasm and lwlink lost@l-w.ca parents: 155 diff changeset	263 if (fn -> sections[sn].flags & SECTION_CONST)
fc8386b13399 Added 'constant' sections to object file handling for lwasm and lwlink lost@l-w.ca parents: 155 diff changeset	264 val = se -> offset;
fc8386b13399 Added 'constant' sections to object file handling for lwasm and lwlink lost@l-w.ca parents: 155 diff changeset	265 else
fc8386b13399 Added 'constant' sections to object file handling for lwasm and lwlink lost@l-w.ca parents: 155 diff changeset	266 val = se -> offset + fn -> sections[sn].loadaddress;
0 2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	267 r = lw_expr_stack_create();
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	268 term = lw_expr_term_create_int(val & 0xffff);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	269 lw_expr_stack_push(r, term);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	270 lw_expr_term_free(term);
156 fc8386b13399 Added 'constant' sections to object file handling for lwasm and lwlink lost@l-w.ca parents: 155 diff changeset	271
0 2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	272 return r;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	273 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	274 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	275 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	276
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	277 for (sn = 0; sn < fn -> nsubs; sn++)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	278 {
157 4682460aed00 Correct bug with handling symbol resolution and constant section handling lost@l-w.ca parents: 156 diff changeset	279 // fprintf(stderr, "Looking in %s\n", fn -> subs[sn] -> filename);
0 2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	280 r = find_external_sym_recurse(sym, fn -> subs[sn]);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	281 if (r)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	282 {
155 1571e150f1fd Fixed error where external references within a library file were not resolved when linking lost@l-w.ca parents: 149 diff changeset	283 // fprintf(stderr, "Found symbol %s in %s\n", sym, fn -> filename);
0 2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	284 if (!(fn -> forced))
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	285 {
155 1571e150f1fd Fixed error where external references within a library file were not resolved when linking lost@l-w.ca parents: 149 diff changeset	286 // fprintf(stderr, " Forced\n");
0 2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	287 nforced = 1;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	288 fn -> forced = 1;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	289 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	290 return r;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	291 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	292 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	293 return NULL;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	294 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	295
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	296 // resolve all incomplete references now
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	297 // anything that is unresolvable at this stage will throw an error
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	298 // because we know the load address of every section now
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	299 lw_expr_stack_t resolve_sym(char sym, int symtype, void *state)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	300 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	301 section_t *sect = state;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	302 lw_expr_term_t *term;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	303 int val = 0, i, fn;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	304 lw_expr_stack_t *s;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	305 symtab_t *se;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	306 fileinfo_t *fp;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	307
155 1571e150f1fd Fixed error where external references within a library file were not resolved when linking lost@l-w.ca parents: 149 diff changeset	308 // fprintf(stderr, "Looking up %s\n", sym);
1571e150f1fd Fixed error where external references within a library file were not resolved when linking lost@l-w.ca parents: 149 diff changeset	309
0 2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	310 if (symtype == 1)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	311 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	312 // local symbol
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	313 if (!sym)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	314 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	315 val = sect -> loadaddress;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	316 goto out;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	317 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	318
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	319 // start with this section
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	320 for (se = sect -> localsyms; se; se = se -> next)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	321 {
2 7317fbe024af Clean up insane number of compiler warnings under -Wall lost@l-w.ca parents: 0 diff changeset	322 if (!strcmp((char *)(se -> sym), sym))
0 2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	323 {
156 fc8386b13399 Added 'constant' sections to object file handling for lwasm and lwlink lost@l-w.ca parents: 155 diff changeset	324 if (sect -> flags & SECTION_CONST)
fc8386b13399 Added 'constant' sections to object file handling for lwasm and lwlink lost@l-w.ca parents: 155 diff changeset	325 val = se -> offset;
fc8386b13399 Added 'constant' sections to object file handling for lwasm and lwlink lost@l-w.ca parents: 155 diff changeset	326 else
fc8386b13399 Added 'constant' sections to object file handling for lwasm and lwlink lost@l-w.ca parents: 155 diff changeset	327 val = se -> offset + sect -> loadaddress;
0 2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	328 goto out;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	329 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	330 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	331 // not in this section - check all sections in this file
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	332 for (i = 0; i < sect -> file -> nsections; i++)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	333 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	334 for (se = sect -> file -> sections[i].localsyms; se; se = se -> next)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	335 {
2 7317fbe024af Clean up insane number of compiler warnings under -Wall lost@l-w.ca parents: 0 diff changeset	336 if (!strcmp((char *)(se -> sym), sym))
0 2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	337 {
156 fc8386b13399 Added 'constant' sections to object file handling for lwasm and lwlink lost@l-w.ca parents: 155 diff changeset	338 if (sect -> file -> sections[i].flags & SECTION_CONST)
fc8386b13399 Added 'constant' sections to object file handling for lwasm and lwlink lost@l-w.ca parents: 155 diff changeset	339 val = se -> offset;
fc8386b13399 Added 'constant' sections to object file handling for lwasm and lwlink lost@l-w.ca parents: 155 diff changeset	340 else
fc8386b13399 Added 'constant' sections to object file handling for lwasm and lwlink lost@l-w.ca parents: 155 diff changeset	341 val = se -> offset + sect -> file -> sections[i].loadaddress;
0 2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	342 goto out;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	343 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	344 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	345 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	346 // not found
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	347 symerr = 1;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	348 fprintf(stderr, "Local symbol %s not found in %s:%s\n", sanitize_symbol(sym), sect -> file -> filename, sect -> name);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	349 goto outerr;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	350 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	351 else
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	352 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	353 // external symbol
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	354 // read all files in order until found (or not found)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	355 if (sect)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	356 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	357 for (fp = sect -> file; fp; fp = fp -> parent)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	358 {
157 4682460aed00 Correct bug with handling symbol resolution and constant section handling lost@l-w.ca parents: 156 diff changeset	359 // fprintf(stderr, "Looking in %s\n", fp -> filename);
0 2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	360 s = find_external_sym_recurse(sym, fp);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	361 if (s)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	362 return s;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	363 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	364 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	365
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	366 for (fn = 0; fn < ninputfiles; fn++)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	367 {
157 4682460aed00 Correct bug with handling symbol resolution and constant section handling lost@l-w.ca parents: 156 diff changeset	368 // fprintf(stderr, "Looking in %s\n", inputfiles[fn] -> filename);
0 2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	369 s = find_external_sym_recurse(sym, inputfiles[fn]);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	370 if (s)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	371 return s;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	372 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	373 if (sect)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	374 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	375 fprintf(stderr, "External symbol %s not found in %s:%s\n", sanitize_symbol(sym), sect -> file -> filename, sect -> name);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	376 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	377 else
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	378 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	379 fprintf(stderr, "External symbol %s not found\n", sym);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	380 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	381 symerr = 1;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	382 goto outerr;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	383 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	384 fprintf(stderr, "Shouldn't ever get here!!!\n");
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	385 exit(88);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	386 out:
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	387 s = lw_expr_stack_create();
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	388 term = lw_expr_term_create_int(val & 0xffff);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	389 lw_expr_stack_push(s, term);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	390 lw_expr_term_free(term);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	391 return s;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	392 outerr:
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	393 return NULL;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	394 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	395
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	396 void resolve_references(void)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	397 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	398 int sn;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	399 reloc_t *rl;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	400 int rval;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	401
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	402 // resolve entry point if required
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	403 // this must resolve to an exported symbol and will resolve to the
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	404 // first instance of that symbol
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	405 if (linkscript.execsym)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	406 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	407 lw_expr_stack_t *s;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	408
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	409 s = resolve_sym(linkscript.execsym, 0, NULL);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	410 if (!s)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	411 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	412 fprintf(stderr, "Cannot resolve exec address '%s'\n", linkscript.execsym);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	413 symerr = 1;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	414 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	415 else
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	416 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	417 linkscript.execaddr = lw_expr_get_value(s);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	418 lw_expr_stack_free(s);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	419 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	420 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	421
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	422 for (sn = 0; sn < nsects; sn++)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	423 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	424 for (rl = sectlist[sn].ptr -> incompletes; rl; rl = rl -> next)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	425 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	426 // do a "simplify" on the expression
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	427 rval = lw_expr_reval(rl -> expr, resolve_sym, sectlist[sn].ptr);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	428
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	429 // is it constant? error out if not
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	430 if (rval != 0 \|\| !lw_expr_is_constant(rl -> expr))
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	431 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	432 fprintf(stderr, "Incomplete reference at %s:%s+%02X\n", sectlist[sn].ptr -> file -> filename, sectlist[sn].ptr -> name, rl -> offset);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	433 symerr = 1;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	434 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	435 else
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	436 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	437 // put the value into the relocation address
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	438 rval = lw_expr_get_value(rl -> expr);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	439 if (rl -> flags & RELOC_8BIT)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	440 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	441 sectlist[sn].ptr -> code[rl -> offset] = rval & 0xff;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	442 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	443 else
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	444 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	445 sectlist[sn].ptr -> code[rl -> offset] = (rval >> 8) & 0xff;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	446 sectlist[sn].ptr -> code[rl -> offset + 1] = rval & 0xff;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	447 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	448 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	449 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	450 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	451
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	452 if (symerr)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	453 exit(1);
148 08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	454
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	455 if (outformat == OUTPUT_OS9)
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	456 check_os9();
0 2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	457 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	458
155 1571e150f1fd Fixed error where external references within a library file were not resolved when linking lost@l-w.ca parents: 149 diff changeset	459 void resolve_files_aux(fileinfo_t *fn)
1571e150f1fd Fixed error where external references within a library file were not resolved when linking lost@l-w.ca parents: 149 diff changeset	460 {
1571e150f1fd Fixed error where external references within a library file were not resolved when linking lost@l-w.ca parents: 149 diff changeset	461 int sn;
1571e150f1fd Fixed error where external references within a library file were not resolved when linking lost@l-w.ca parents: 149 diff changeset	462 reloc_t *rl;
1571e150f1fd Fixed error where external references within a library file were not resolved when linking lost@l-w.ca parents: 149 diff changeset	463 lw_expr_stack_t *te;
1571e150f1fd Fixed error where external references within a library file were not resolved when linking lost@l-w.ca parents: 149 diff changeset	464
1571e150f1fd Fixed error where external references within a library file were not resolved when linking lost@l-w.ca parents: 149 diff changeset	465 int rval;
1571e150f1fd Fixed error where external references within a library file were not resolved when linking lost@l-w.ca parents: 149 diff changeset	466
1571e150f1fd Fixed error where external references within a library file were not resolved when linking lost@l-w.ca parents: 149 diff changeset	467
1571e150f1fd Fixed error where external references within a library file were not resolved when linking lost@l-w.ca parents: 149 diff changeset	468 if (fn -> forced == 0)
1571e150f1fd Fixed error where external references within a library file were not resolved when linking lost@l-w.ca parents: 149 diff changeset	469 return;
1571e150f1fd Fixed error where external references within a library file were not resolved when linking lost@l-w.ca parents: 149 diff changeset	470
1571e150f1fd Fixed error where external references within a library file were not resolved when linking lost@l-w.ca parents: 149 diff changeset	471 for (sn = 0; sn < fn -> nsections; sn++)
1571e150f1fd Fixed error where external references within a library file were not resolved when linking lost@l-w.ca parents: 149 diff changeset	472 {
1571e150f1fd Fixed error where external references within a library file were not resolved when linking lost@l-w.ca parents: 149 diff changeset	473 for (rl = fn -> sections[sn].incompletes; rl; rl = rl -> next)
1571e150f1fd Fixed error where external references within a library file were not resolved when linking lost@l-w.ca parents: 149 diff changeset	474 {
1571e150f1fd Fixed error where external references within a library file were not resolved when linking lost@l-w.ca parents: 149 diff changeset	475 // do a "simplify" on the expression
1571e150f1fd Fixed error where external references within a library file were not resolved when linking lost@l-w.ca parents: 149 diff changeset	476 te = lw_expr_stack_dup(rl -> expr);
1571e150f1fd Fixed error where external references within a library file were not resolved when linking lost@l-w.ca parents: 149 diff changeset	477 rval = lw_expr_reval(te, resolve_sym, &(fn -> sections[sn]));
1571e150f1fd Fixed error where external references within a library file were not resolved when linking lost@l-w.ca parents: 149 diff changeset	478
1571e150f1fd Fixed error where external references within a library file were not resolved when linking lost@l-w.ca parents: 149 diff changeset	479 // is it constant? error out if not
1571e150f1fd Fixed error where external references within a library file were not resolved when linking lost@l-w.ca parents: 149 diff changeset	480 if (rval != 0 \|\| !lw_expr_is_constant(te))
1571e150f1fd Fixed error where external references within a library file were not resolved when linking lost@l-w.ca parents: 149 diff changeset	481 {
1571e150f1fd Fixed error where external references within a library file were not resolved when linking lost@l-w.ca parents: 149 diff changeset	482 fprintf(stderr, "Incomplete reference at %s:%s+%02X\n", fn -> filename, fn -> sections[sn].name, rl -> offset);
1571e150f1fd Fixed error where external references within a library file were not resolved when linking lost@l-w.ca parents: 149 diff changeset	483 symerr = 1;
1571e150f1fd Fixed error where external references within a library file were not resolved when linking lost@l-w.ca parents: 149 diff changeset	484 }
1571e150f1fd Fixed error where external references within a library file were not resolved when linking lost@l-w.ca parents: 149 diff changeset	485 lw_expr_stack_free(te);
1571e150f1fd Fixed error where external references within a library file were not resolved when linking lost@l-w.ca parents: 149 diff changeset	486 }
1571e150f1fd Fixed error where external references within a library file were not resolved when linking lost@l-w.ca parents: 149 diff changeset	487 }
1571e150f1fd Fixed error where external references within a library file were not resolved when linking lost@l-w.ca parents: 149 diff changeset	488
1571e150f1fd Fixed error where external references within a library file were not resolved when linking lost@l-w.ca parents: 149 diff changeset	489 // handle any sub files
1571e150f1fd Fixed error where external references within a library file were not resolved when linking lost@l-w.ca parents: 149 diff changeset	490 for (sn = 0; sn < fn -> nsubs; sn++)
1571e150f1fd Fixed error where external references within a library file were not resolved when linking lost@l-w.ca parents: 149 diff changeset	491 resolve_files_aux(fn -> subs[sn]);
1571e150f1fd Fixed error where external references within a library file were not resolved when linking lost@l-w.ca parents: 149 diff changeset	492 }
1571e150f1fd Fixed error where external references within a library file were not resolved when linking lost@l-w.ca parents: 149 diff changeset	493
0 2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	494 /*
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	495 This is just a pared down version of the algo for resolving references.
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	496 */
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	497 void resolve_files(void)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	498 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	499 int fn;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	500
157 4682460aed00 Correct bug with handling symbol resolution and constant section handling lost@l-w.ca parents: 156 diff changeset	501 resolveonly = 1;
4682460aed00 Correct bug with handling symbol resolution and constant section handling lost@l-w.ca parents: 156 diff changeset	502
0 2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	503 // resolve entry point if required
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	504 // this must resolve to an exported symbol and will resolve to the
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	505 // first instance of that symbol
157 4682460aed00 Correct bug with handling symbol resolution and constant section handling lost@l-w.ca parents: 156 diff changeset	506 // if (linkscript.execsym)
4682460aed00 Correct bug with handling symbol resolution and constant section handling lost@l-w.ca parents: 156 diff changeset	507 // {
4682460aed00 Correct bug with handling symbol resolution and constant section handling lost@l-w.ca parents: 156 diff changeset	508 // lw_expr_stack_t *s;
4682460aed00 Correct bug with handling symbol resolution and constant section handling lost@l-w.ca parents: 156 diff changeset	509 //
4682460aed00 Correct bug with handling symbol resolution and constant section handling lost@l-w.ca parents: 156 diff changeset	510 // s = resolve_sym(linkscript.execsym, 0, NULL);
4682460aed00 Correct bug with handling symbol resolution and constant section handling lost@l-w.ca parents: 156 diff changeset	511 // if (!s)
4682460aed00 Correct bug with handling symbol resolution and constant section handling lost@l-w.ca parents: 156 diff changeset	512 // {
4682460aed00 Correct bug with handling symbol resolution and constant section handling lost@l-w.ca parents: 156 diff changeset	513 // fprintf(stderr, "Cannot resolve exec address '%s'\n", sanitize_symbol(linkscript.execsym));
4682460aed00 Correct bug with handling symbol resolution and constant section handling lost@l-w.ca parents: 156 diff changeset	514 // symerr = 1;
4682460aed00 Correct bug with handling symbol resolution and constant section handling lost@l-w.ca parents: 156 diff changeset	515 // }
4682460aed00 Correct bug with handling symbol resolution and constant section handling lost@l-w.ca parents: 156 diff changeset	516 // }
0 2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	517
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	518 do
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	519 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	520 nforced = 0;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	521 for (fn = 0; fn < ninputfiles; fn++)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	522 {
155 1571e150f1fd Fixed error where external references within a library file were not resolved when linking lost@l-w.ca parents: 149 diff changeset	523 resolve_files_aux(inputfiles[fn]);
0 2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	524 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	525 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	526 while (nforced == 1);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	527
157 4682460aed00 Correct bug with handling symbol resolution and constant section handling lost@l-w.ca parents: 156 diff changeset	528 resolveonly = 0;
4682460aed00 Correct bug with handling symbol resolution and constant section handling lost@l-w.ca parents: 156 diff changeset	529
4682460aed00 Correct bug with handling symbol resolution and constant section handling lost@l-w.ca parents: 156 diff changeset	530 // if (symerr)
4682460aed00 Correct bug with handling symbol resolution and constant section handling lost@l-w.ca parents: 156 diff changeset	531 // exit(1);
4682460aed00 Correct bug with handling symbol resolution and constant section handling lost@l-w.ca parents: 156 diff changeset	532
4682460aed00 Correct bug with handling symbol resolution and constant section handling lost@l-w.ca parents: 156 diff changeset	533 symerr = 0;
0 2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	534 // theoretically, all files referenced by other files now have "forced" set to 1
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	535 for (fn = 0; fn < ninputfiles; fn++)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	536 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	537 if (inputfiles[fn] -> forced == 1)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	538 continue;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	539
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	540 fprintf(stderr, "Warning: %s (%d) does not resolve any symbols\n", inputfiles[fn] -> filename, fn);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	541 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization lost@l-w.ca parents: diff changeset	542 }
148 08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	543 void find_section_by_name_once_aux(char name, fileinfo_t fn, section_t *rval, int found);
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	544 void find_section_by_name_once_aux(char name, fileinfo_t fn, section_t *rval, int found)
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	545 {
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	546 int sn;
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	547
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	548 if (fn -> forced == 0)
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	549 return;
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	550
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	551 for (sn = 0; sn < fn -> nsections; sn++)
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	552 {
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	553 if (!strcmp(name, (char *)(fn -> sections[sn].name)))
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	554 {
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	555 (*found)++;
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	556 *rval = &(fn -> sections[sn]);
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	557 }
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	558 }
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	559 for (sn = 0; sn < fn -> nsubs; sn++)
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	560 {
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	561 find_section_by_name_once_aux(name, fn -> subs[sn], rval, found);
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	562 }
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	563 }
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	564
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	565 section_t find_section_by_name_once(char name)
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	566 {
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	567 int fn;
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	568 int found = 0;
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	569 section_t *rval = NULL;
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	570
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	571 for (fn = 0; fn < ninputfiles; fn++)
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	572 {
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	573 find_section_by_name_once_aux(name, inputfiles[fn], &rval, &found);
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	574 }
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	575 if (found != 1)
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	576 {
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	577 rval = NULL;
149 729a9c70934e Fixed crash and bogus warning with os9 module target lost@l-w.ca parents: 148 diff changeset	578 if (found > 1)
729a9c70934e Fixed crash and bogus warning with os9 module target lost@l-w.ca parents: 148 diff changeset	579 fprintf(stderr, "Warning: multiple instances of section %s found; ignoring all of them which is probably not what you want\n", name);
148 08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	580 }
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	581 return rval;
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	582 }
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	583
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	584 void check_os9(void)
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	585 {
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	586 section_t *s;
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	587 symtab_t *sym;
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	588
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	589 s = find_section_by_name_once("__os9");
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	590 linkscript.name = outfile;
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	591
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	592 if (!s)
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	593 {
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	594 // use defaults if not found
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	595 return;
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	596 }
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	597
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	598 // this section is special
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	599 // several symbols may be defined as LOCAL symbols:
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	600 // type: module type
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	601 // lang: module language
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	602 // attr: module attributes
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	603 // rev: module revision
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	604 //
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	605 // the symbols are not case sensitive
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	606 //
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	607 // any unrecognized symbols are ignored
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	608
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	609 // the contents of the actual data to the first NUL
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	610 // is assumed to be the module name unless it is an empty string
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	611 if (s -> codesize > 0 && (s -> flags & SECTION_BSS) == 0 && s -> code[0] != 0)
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	612 {
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	613 linkscript.name = (char *)(s -> code);
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	614 }
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	615
149 729a9c70934e Fixed crash and bogus warning with os9 module target lost@l-w.ca parents: 148 diff changeset	616 for (sym = s -> localsyms; sym; sym = sym -> next)
148 08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	617 {
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	618 char sm = (char )(sym -> sym);
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	619 if (!strcasecmp(sm, "type"))
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	620 {
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	621 linkscript.modtype = sym -> offset;
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	622 }
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	623 else if (!strcasecmp(sm, "lang"))
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	624 {
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	625 linkscript.modlang = sym -> offset;
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	626 }
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	627 else if (!strcasecmp(sm, "attr"))
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	628 {
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	629 linkscript.modlang = sym -> offset;
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	630 }
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	631 else if (!strcasecmp(sm, "rev"))
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	632 {
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	633 linkscript.modrev = sym -> offset;
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	634 }
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	635 }
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	636 if (linkscript.modtype > 15)
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	637 linkscript.modtype = linkscript.modtype >> 4;
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	638
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	639 if (linkscript.modattr > 15)
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	640 linkscript.modattr = linkscript.modattr >> 4;
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	641
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	642 linkscript.modlang &= 15;
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	643 linkscript.modtype &= 15;
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	644 linkscript.modrev &= 15;
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	645 linkscript.modattr &= 15;
08fb11004df9 Initial pass at OS9 module support for lwlink lost@l-w.ca parents: 8 diff changeset	646 }

Mercurial > hg > index.cgi

annotate lwlink/link.c @ 157:4682460aed00