[331] | 1 | /* -------------------------------------------------------------- */
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| 2 | /*
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| 3 | * TCC - Tiny C Compiler
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| 4 | *
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| 5 | * tcctools.c - extra tools and and -m32/64 support
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| 6 | *
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| 7 | */
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| 8 |
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| 9 | /* -------------------------------------------------------------- */
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| 10 | /*
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| 11 | * This program is for making libtcc1.a without ar
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| 12 | * tiny_libmaker - tiny elf lib maker
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| 13 | * usage: tiny_libmaker [lib] files...
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| 14 | * Copyright (c) 2007 Timppa
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| 15 | *
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| 16 | * This library is free software; you can redistribute it and/or
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| 17 | * modify it under the terms of the GNU Lesser General Public
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| 18 | * License as published by the Free Software Foundation; either
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| 19 | * version 2 of the License, or (at your option) any later version.
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| 20 | *
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| 21 | * This library is distributed in the hope that it will be useful,
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| 22 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 23 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 24 | * Lesser General Public License for more details.
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| 25 | *
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| 26 | * You should have received a copy of the GNU Lesser General Public
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| 27 | * License along with this library; if not, write to the Free Software
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| 28 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
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| 29 | */
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| 30 |
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| 31 | #include "tcc.h"
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| 32 |
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| 33 | //#define ARMAG "!<arch>\n"
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| 34 | #define ARFMAG "`\n"
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| 35 |
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| 36 | typedef struct {
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| 37 | char ar_name[16];
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| 38 | char ar_date[12];
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| 39 | char ar_uid[6];
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| 40 | char ar_gid[6];
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| 41 | char ar_mode[8];
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| 42 | char ar_size[10];
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| 43 | char ar_fmag[2];
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| 44 | } ArHdr;
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| 45 |
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| 46 | static unsigned long le2belong(unsigned long ul) {
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| 47 | return ((ul & 0xFF0000)>>8)+((ul & 0xFF000000)>>24) +
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| 48 | ((ul & 0xFF)<<24)+((ul & 0xFF00)<<8);
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| 49 | }
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| 50 |
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| 51 | /* Returns 1 if s contains any of the chars of list, else 0 */
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| 52 | static int contains_any(const char *s, const char *list) {
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| 53 | const char *l;
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| 54 | for (; *s; s++) {
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| 55 | for (l = list; *l; l++) {
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| 56 | if (*s == *l)
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| 57 | return 1;
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| 58 | }
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| 59 | }
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| 60 | return 0;
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| 61 | }
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| 62 |
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| 63 | static int ar_usage(int ret) {
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| 64 | fprintf(stderr, "usage: tcc -ar [rcsv] lib file...\n");
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| 65 | fprintf(stderr, "create library ([abdioptxN] not supported).\n");
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| 66 | return ret;
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| 67 | }
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| 68 |
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| 69 | ST_FUNC int tcc_tool_ar(TCCState *s1, int argc, char **argv)
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| 70 | {
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| 71 | static ArHdr arhdr = {
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| 72 | "/ ",
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| 73 | " ",
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| 74 | "0 ",
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| 75 | "0 ",
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| 76 | "0 ",
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| 77 | " ",
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| 78 | ARFMAG
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| 79 | };
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| 80 |
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| 81 | static ArHdr arhdro = {
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| 82 | " ",
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| 83 | " ",
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| 84 | "0 ",
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| 85 | "0 ",
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| 86 | "0 ",
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| 87 | " ",
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| 88 | ARFMAG
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| 89 | };
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| 90 |
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| 91 | FILE *fi, *fh = NULL, *fo = NULL;
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| 92 | ElfW(Ehdr) *ehdr;
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| 93 | ElfW(Shdr) *shdr;
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| 94 | ElfW(Sym) *sym;
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| 95 | int i, fsize, i_lib, i_obj;
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| 96 | char *buf, *shstr, *symtab = NULL, *strtab = NULL;
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| 97 | int symtabsize = 0;//, strtabsize = 0;
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| 98 | char *anames = NULL;
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| 99 | int *afpos = NULL;
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| 100 | int istrlen, strpos = 0, fpos = 0, funccnt = 0, funcmax, hofs;
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| 101 | char tfile[260], stmp[20];
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| 102 | char *file, *name;
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| 103 | int ret = 2;
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| 104 | const char *ops_conflict = "habdioptxN"; // unsupported but destructive if ignored.
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| 105 | int verbose = 0;
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| 106 |
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| 107 | i_lib = 0; i_obj = 0; // will hold the index of the lib and first obj
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| 108 | for (i = 1; i < argc; i++) {
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| 109 | const char *a = argv[i];
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| 110 | if (*a == '-' && strstr(a, "."))
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| 111 | ret = 1; // -x.y is always invalid (same as gnu ar)
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| 112 | if ((*a == '-') || (i == 1 && !strstr(a, "."))) { // options argument
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| 113 | if (contains_any(a, ops_conflict))
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| 114 | ret = 1;
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| 115 | if (strstr(a, "v"))
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| 116 | verbose = 1;
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| 117 | } else { // lib or obj files: don't abort - keep validating all args.
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| 118 | if (!i_lib) // first file is the lib
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| 119 | i_lib = i;
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| 120 | else if (!i_obj) // second file is the first obj
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| 121 | i_obj = i;
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| 122 | }
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| 123 | }
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| 124 |
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| 125 | if (!i_obj) // i_obj implies also i_lib. we require both.
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| 126 | ret = 1;
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| 127 |
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| 128 | if (ret == 1)
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| 129 | return ar_usage(ret);
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| 130 |
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| 131 | if ((fh = fopen(argv[i_lib], "wb")) == NULL)
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| 132 | {
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| 133 | fprintf(stderr, "tcc: ar: can't open file %s \n", argv[i_lib]);
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| 134 | goto the_end;
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| 135 | }
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| 136 |
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| 137 | sprintf(tfile, "%s.tmp", argv[i_lib]);
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| 138 | if ((fo = fopen(tfile, "wb+")) == NULL)
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| 139 | {
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| 140 | fprintf(stderr, "tcc: ar: can't create temporary file %s\n", tfile);
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| 141 | goto the_end;
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| 142 | }
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| 143 |
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| 144 | funcmax = 250;
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| 145 | afpos = tcc_realloc(NULL, funcmax * sizeof *afpos); // 250 func
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| 146 | memcpy(&arhdro.ar_mode, "100666", 6);
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| 147 |
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| 148 | // i_obj = first input object file
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| 149 | while (i_obj < argc)
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| 150 | {
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| 151 | if (*argv[i_obj] == '-') { // by now, all options start with '-'
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| 152 | i_obj++;
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| 153 | continue;
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| 154 | }
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| 155 | if ((fi = fopen(argv[i_obj], "rb")) == NULL) {
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| 156 | fprintf(stderr, "tcc: ar: can't open file %s \n", argv[i_obj]);
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| 157 | goto the_end;
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| 158 | }
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| 159 | if (verbose)
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| 160 | printf("a - %s\n", argv[i_obj]);
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| 161 |
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| 162 | fseek(fi, 0, SEEK_END);
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| 163 | fsize = ftell(fi);
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| 164 | fseek(fi, 0, SEEK_SET);
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| 165 | buf = tcc_malloc(fsize + 1);
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| 166 | fread(buf, fsize, 1, fi);
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| 167 | fclose(fi);
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| 168 |
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| 169 | // elf header
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| 170 | ehdr = (ElfW(Ehdr) *)buf;
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| 171 | if (ehdr->e_ident[4] != ELFCLASSW)
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| 172 | {
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| 173 | fprintf(stderr, "tcc: ar: Unsupported Elf Class: %s\n", argv[i_obj]);
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| 174 | goto the_end;
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| 175 | }
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| 176 |
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| 177 | shdr = (ElfW(Shdr) *) (buf + ehdr->e_shoff + ehdr->e_shstrndx * ehdr->e_shentsize);
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| 178 | shstr = (char *)(buf + shdr->sh_offset);
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| 179 | for (i = 0; i < ehdr->e_shnum; i++)
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| 180 | {
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| 181 | shdr = (ElfW(Shdr) *) (buf + ehdr->e_shoff + i * ehdr->e_shentsize);
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| 182 | if (!shdr->sh_offset)
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| 183 | continue;
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| 184 | if (shdr->sh_type == SHT_SYMTAB)
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| 185 | {
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| 186 | symtab = (char *)(buf + shdr->sh_offset);
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| 187 | symtabsize = shdr->sh_size;
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| 188 | }
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| 189 | if (shdr->sh_type == SHT_STRTAB)
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| 190 | {
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| 191 | if (!strcmp(shstr + shdr->sh_name, ".strtab"))
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| 192 | {
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| 193 | strtab = (char *)(buf + shdr->sh_offset);
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| 194 | //strtabsize = shdr->sh_size;
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| 195 | }
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| 196 | }
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| 197 | }
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| 198 |
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| 199 | if (symtab && symtabsize)
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| 200 | {
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| 201 | int nsym = symtabsize / sizeof(ElfW(Sym));
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| 202 | //printf("symtab: info size shndx name\n");
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| 203 | for (i = 1; i < nsym; i++)
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| 204 | {
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| 205 | sym = (ElfW(Sym) *) (symtab + i * sizeof(ElfW(Sym)));
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| 206 | if (sym->st_shndx &&
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| 207 | (sym->st_info == 0x10
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| 208 | || sym->st_info == 0x11
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| 209 | || sym->st_info == 0x12
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| 210 | )) {
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| 211 | //printf("symtab: %2Xh %4Xh %2Xh %s\n", sym->st_info, sym->st_size, sym->st_shndx, strtab + sym->st_name);
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| 212 | istrlen = strlen(strtab + sym->st_name)+1;
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| 213 | anames = tcc_realloc(anames, strpos+istrlen);
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| 214 | strcpy(anames + strpos, strtab + sym->st_name);
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| 215 | strpos += istrlen;
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| 216 | if (++funccnt >= funcmax) {
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| 217 | funcmax += 250;
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| 218 | afpos = tcc_realloc(afpos, funcmax * sizeof *afpos); // 250 func more
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| 219 | }
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| 220 | afpos[funccnt] = fpos;
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| 221 | }
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| 222 | }
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| 223 | }
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| 224 |
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| 225 | file = argv[i_obj];
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| 226 | for (name = strchr(file, 0);
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| 227 | name > file && name[-1] != '/' && name[-1] != '\\';
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| 228 | --name);
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| 229 | istrlen = strlen(name);
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| 230 | if (istrlen >= sizeof(arhdro.ar_name))
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| 231 | istrlen = sizeof(arhdro.ar_name) - 1;
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| 232 | memset(arhdro.ar_name, ' ', sizeof(arhdro.ar_name));
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| 233 | memcpy(arhdro.ar_name, name, istrlen);
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| 234 | arhdro.ar_name[istrlen] = '/';
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| 235 | sprintf(stmp, "%-10d", fsize);
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| 236 | memcpy(&arhdro.ar_size, stmp, 10);
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| 237 | fwrite(&arhdro, sizeof(arhdro), 1, fo);
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| 238 | fwrite(buf, fsize, 1, fo);
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| 239 | tcc_free(buf);
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| 240 | i_obj++;
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| 241 | fpos += (fsize + sizeof(arhdro));
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| 242 | }
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| 243 | hofs = 8 + sizeof(arhdr) + strpos + (funccnt+1) * sizeof(int);
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| 244 | fpos = 0;
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| 245 | if ((hofs & 1)) // align
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| 246 | hofs++, fpos = 1;
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| 247 | // write header
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| 248 | fwrite("!<arch>\n", 8, 1, fh);
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| 249 | sprintf(stmp, "%-10d", (int)(strpos + (funccnt+1) * sizeof(int)));
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| 250 | memcpy(&arhdr.ar_size, stmp, 10);
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| 251 | fwrite(&arhdr, sizeof(arhdr), 1, fh);
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| 252 | afpos[0] = le2belong(funccnt);
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| 253 | for (i=1; i<=funccnt; i++)
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| 254 | afpos[i] = le2belong(afpos[i] + hofs);
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| 255 | fwrite(afpos, (funccnt+1) * sizeof(int), 1, fh);
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| 256 | fwrite(anames, strpos, 1, fh);
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| 257 | if (fpos)
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| 258 | fwrite("", 1, 1, fh);
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| 259 | // write objects
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| 260 | fseek(fo, 0, SEEK_END);
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| 261 | fsize = ftell(fo);
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| 262 | fseek(fo, 0, SEEK_SET);
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| 263 | buf = tcc_malloc(fsize + 1);
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| 264 | fread(buf, fsize, 1, fo);
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| 265 | fwrite(buf, fsize, 1, fh);
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| 266 | tcc_free(buf);
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| 267 | ret = 0;
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| 268 | the_end:
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| 269 | if (anames)
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| 270 | tcc_free(anames);
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| 271 | if (afpos)
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| 272 | tcc_free(afpos);
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| 273 | if (fh)
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| 274 | fclose(fh);
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| 275 | if (fo)
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| 276 | fclose(fo), remove(tfile);
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| 277 | return ret;
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| 278 | }
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| 279 |
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| 280 | /* -------------------------------------------------------------- */
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| 281 | /*
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| 282 | * tiny_impdef creates an export definition file (.def) from a dll
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| 283 | * on MS-Windows. Usage: tiny_impdef library.dll [-o outputfile]"
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| 284 | *
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| 285 | * Copyright (c) 2005,2007 grischka
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| 286 | *
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| 287 | * This program is free software; you can redistribute it and/or modify
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| 288 | * it under the terms of the GNU General Public License as published by
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| 289 | * the Free Software Foundation; either version 2 of the License, or
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| 290 | * (at your option) any later version.
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| 291 | *
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| 292 | * This program is distributed in the hope that it will be useful,
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| 293 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 294 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 295 | * GNU General Public License for more details.
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| 296 | *
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| 297 | * You should have received a copy of the GNU General Public License
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| 298 | * along with this program; if not, write to the Free Software
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| 299 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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| 300 | */
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| 301 |
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| 302 | #ifdef TCC_TARGET_PE
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| 303 |
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| 304 | ST_FUNC int tcc_tool_impdef(TCCState *s1, int argc, char **argv)
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| 305 | {
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| 306 | int ret, v, i;
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| 307 | char infile[260];
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| 308 | char outfile[260];
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| 309 |
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| 310 | const char *file;
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| 311 | char *p, *q;
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| 312 | FILE *fp, *op;
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| 313 |
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| 314 | #ifdef _WIN32
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| 315 | char path[260];
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| 316 | #endif
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| 317 |
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| 318 | infile[0] = outfile[0] = 0;
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| 319 | fp = op = NULL;
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| 320 | ret = 1;
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| 321 | p = NULL;
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| 322 | v = 0;
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| 323 |
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| 324 | for (i = 1; i < argc; ++i) {
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| 325 | const char *a = argv[i];
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| 326 | if ('-' == a[0]) {
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| 327 | if (0 == strcmp(a, "-v")) {
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| 328 | v = 1;
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| 329 | } else if (0 == strcmp(a, "-o")) {
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| 330 | if (++i == argc)
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| 331 | goto usage;
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| 332 | strcpy(outfile, argv[i]);
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| 333 | } else
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| 334 | goto usage;
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| 335 | } else if (0 == infile[0])
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| 336 | strcpy(infile, a);
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| 337 | else
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| 338 | goto usage;
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| 339 | }
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| 340 |
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| 341 | if (0 == infile[0]) {
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| 342 | usage:
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| 343 | fprintf(stderr,
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| 344 | "usage: tcc -impdef library.dll [-v] [-o outputfile]\n"
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| 345 | "create export definition file (.def) from dll\n"
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| 346 | );
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| 347 | goto the_end;
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| 348 | }
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| 349 |
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| 350 | if (0 == outfile[0]) {
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| 351 | strcpy(outfile, tcc_basename(infile));
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| 352 | q = strrchr(outfile, '.');
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| 353 | if (NULL == q)
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| 354 | q = strchr(outfile, 0);
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| 355 | strcpy(q, ".def");
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| 356 | }
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| 357 |
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| 358 | file = infile;
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| 359 | #ifdef _WIN32
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| 360 | if (SearchPath(NULL, file, ".dll", sizeof path, path, NULL))
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| 361 | file = path;
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| 362 | #endif
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| 363 | ret = tcc_get_dllexports(file, &p);
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| 364 | if (ret || !p) {
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| 365 | fprintf(stderr, "tcc: impdef: %s '%s'\n",
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| 366 | ret == -1 ? "can't find file" :
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| 367 | ret == 1 ? "can't read symbols" :
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| 368 | ret == 0 ? "no symbols found in" :
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| 369 | "unknown file type", file);
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| 370 | ret = 1;
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| 371 | goto the_end;
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| 372 | }
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| 373 |
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| 374 | if (v)
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| 375 | printf("-> %s\n", file);
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| 376 |
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| 377 | op = fopen(outfile, "wb");
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| 378 | if (NULL == op) {
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| 379 | fprintf(stderr, "tcc: impdef: could not create output file: %s\n", outfile);
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| 380 | goto the_end;
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| 381 | }
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| 382 |
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| 383 | fprintf(op, "LIBRARY %s\n\nEXPORTS\n", tcc_basename(file));
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| 384 | for (q = p, i = 0; *q; ++i) {
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| 385 | fprintf(op, "%s\n", q);
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| 386 | q += strlen(q) + 1;
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| 387 | }
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| 388 |
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| 389 | if (v)
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| 390 | printf("<- %s (%d symbol%s)\n", outfile, i, &"s"[i<2]);
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| 391 |
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| 392 | ret = 0;
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| 393 |
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| 394 | the_end:
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| 395 | /* cannot free memory received from tcc_get_dllexports
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| 396 | if it came from a dll */
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| 397 | /* if (p)
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| 398 | tcc_free(p); */
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| 399 | if (fp)
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| 400 | fclose(fp);
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| 401 | if (op)
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| 402 | fclose(op);
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| 403 | return ret;
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| 404 | }
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| 405 |
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| 406 | #endif /* TCC_TARGET_PE */
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| 407 |
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| 408 | /* -------------------------------------------------------------- */
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| 409 | /*
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| 410 | * TCC - Tiny C Compiler
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| 411 | *
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| 412 | * Copyright (c) 2001-2004 Fabrice Bellard
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| 413 | *
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| 414 | * This library is free software; you can redistribute it and/or
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| 415 | * modify it under the terms of the GNU Lesser General Public
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| 416 | * License as published by the Free Software Foundation; either
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| 417 | * version 2 of the License, or (at your option) any later version.
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| 418 | *
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| 419 | * This library is distributed in the hope that it will be useful,
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| 420 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 421 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 422 | * Lesser General Public License for more details.
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| 423 | *
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| 424 | * You should have received a copy of the GNU Lesser General Public
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| 425 | * License along with this library; if not, write to the Free Software
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| 426 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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| 427 | */
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| 428 |
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| 429 | /* re-execute the i386/x86_64 cross-compilers with tcc -m32/-m64: */
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| 430 |
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| 431 | #if !defined TCC_TARGET_I386 && !defined TCC_TARGET_X86_64
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| 432 |
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| 433 | ST_FUNC void tcc_tool_cross(TCCState *s, char **argv, int option)
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| 434 | {
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| 435 | tcc_error("-m%d not implemented.", option);
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| 436 | }
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| 437 |
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| 438 | #else
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| 439 | #ifdef _WIN32
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| 440 | #include <process.h>
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| 441 |
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| 442 | static char *str_replace(const char *str, const char *p, const char *r)
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| 443 | {
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| 444 | const char *s, *s0;
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| 445 | char *d, *d0;
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| 446 | int sl, pl, rl;
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| 447 |
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| 448 | sl = strlen(str);
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| 449 | pl = strlen(p);
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| 450 | rl = strlen(r);
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| 451 | for (d0 = NULL;; d0 = tcc_malloc(sl + 1)) {
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| 452 | for (d = d0, s = str; s0 = s, s = strstr(s, p), s; s += pl) {
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| 453 | if (d) {
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| 454 | memcpy(d, s0, sl = s - s0), d += sl;
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| 455 | memcpy(d, r, rl), d += rl;
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| 456 | } else
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| 457 | sl += rl - pl;
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| 458 | }
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| 459 | if (d) {
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| 460 | strcpy(d, s0);
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| 461 | return d0;
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| 462 | }
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| 463 | }
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| 464 | }
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| 465 |
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| 466 | static int execvp_win32(const char *prog, char **argv)
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| 467 | {
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| 468 | int ret; char **p;
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| 469 | /* replace all " by \" */
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| 470 | for (p = argv; *p; ++p)
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| 471 | if (strchr(*p, '"'))
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| 472 | *p = str_replace(*p, "\"", "\\\"");
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| 473 | ret = _spawnvp(P_NOWAIT, prog, (const char *const*)argv);
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| 474 | if (-1 == ret)
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| 475 | return ret;
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| 476 | _cwait(&ret, ret, WAIT_CHILD);
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| 477 | exit(ret);
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| 478 | }
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| 479 | #define execvp execvp_win32
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| 480 | #endif /* _WIN32 */
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| 481 |
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| 482 | ST_FUNC void tcc_tool_cross(TCCState *s, char **argv, int target)
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| 483 | {
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| 484 | char program[4096];
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| 485 | char *a0 = argv[0];
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| 486 | int prefix = tcc_basename(a0) - a0;
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| 487 |
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| 488 | snprintf(program, sizeof program,
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| 489 | "%.*s%s"
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| 490 | #ifdef TCC_TARGET_PE
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| 491 | "-win32"
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| 492 | #endif
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| 493 | "-tcc"
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| 494 | #ifdef _WIN32
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| 495 | ".exe"
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| 496 | #endif
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| 497 | , prefix, a0, target == 64 ? "x86_64" : "i386");
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| 498 |
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| 499 | if (strcmp(a0, program))
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| 500 | execvp(argv[0] = program, argv);
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| 501 | tcc_error("could not run '%s'", program);
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| 502 | }
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| 503 |
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| 504 | #endif /* TCC_TARGET_I386 && TCC_TARGET_X86_64 */
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| 505 | /* -------------------------------------------------------------- */
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| 506 | /* enable commandline wildcard expansion (tcc -o x.exe *.c) */
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| 507 |
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| 508 | #ifdef _WIN32
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| 509 | int _CRT_glob = 1;
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| 510 | #ifndef _CRT_glob
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| 511 | int _dowildcard = 1;
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| 512 | #endif
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| 513 | #endif
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| 514 |
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| 515 | /* -------------------------------------------------------------- */
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| 516 | /* generate xxx.d file */
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| 517 |
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| 518 | ST_FUNC void gen_makedeps(TCCState *s, const char *target, const char *filename)
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| 519 | {
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| 520 | FILE *depout;
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| 521 | char buf[1024];
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| 522 | int i;
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| 523 |
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| 524 | if (!filename) {
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| 525 | /* compute filename automatically: dir/file.o -> dir/file.d */
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| 526 | snprintf(buf, sizeof buf, "%.*s.d",
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| 527 | (int)(tcc_fileextension(target) - target), target);
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| 528 | filename = buf;
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| 529 | }
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| 530 |
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| 531 | if (s->verbose)
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| 532 | printf("<- %s\n", filename);
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| 533 |
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| 534 | /* XXX return err codes instead of error() ? */
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| 535 | depout = fopen(filename, "w");
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| 536 | if (!depout)
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| 537 | tcc_error("could not open '%s'", filename);
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| 538 |
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| 539 | fprintf(depout, "%s: \\\n", target);
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| 540 | for (i=0; i<s->nb_target_deps; ++i)
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| 541 | fprintf(depout, " %s \\\n", s->target_deps[i]);
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| 542 | fprintf(depout, "\n");
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| 543 | fclose(depout);
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| 544 | }
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| 545 |
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| 546 | /* -------------------------------------------------------------- */
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