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-rw-r--r--05/tcc-0.9.27/tcctools.c546
1 files changed, 546 insertions, 0 deletions
diff --git a/05/tcc-0.9.27/tcctools.c b/05/tcc-0.9.27/tcctools.c
new file mode 100644
index 0000000..1d4424e
--- /dev/null
+++ b/05/tcc-0.9.27/tcctools.c
@@ -0,0 +1,546 @@
+/* -------------------------------------------------------------- */
+/*
+ * TCC - Tiny C Compiler
+ *
+ * tcctools.c - extra tools and and -m32/64 support
+ *
+ */
+
+/* -------------------------------------------------------------- */
+/*
+ * This program is for making libtcc1.a without ar
+ * tiny_libmaker - tiny elf lib maker
+ * usage: tiny_libmaker [lib] files...
+ * Copyright (c) 2007 Timppa
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#include "tcc.h"
+
+//#define ARMAG "!<arch>\n"
+#define ARFMAG "`\n"
+
+typedef struct {
+ char ar_name[16];
+ char ar_date[12];
+ char ar_uid[6];
+ char ar_gid[6];
+ char ar_mode[8];
+ char ar_size[10];
+ char ar_fmag[2];
+} ArHdr;
+
+static unsigned long le2belong(unsigned long ul) {
+ return ((ul & 0xFF0000)>>8)+((ul & 0xFF000000)>>24) +
+ ((ul & 0xFF)<<24)+((ul & 0xFF00)<<8);
+}
+
+/* Returns 1 if s contains any of the chars of list, else 0 */
+static int contains_any(const char *s, const char *list) {
+ const char *l;
+ for (; *s; s++) {
+ for (l = list; *l; l++) {
+ if (*s == *l)
+ return 1;
+ }
+ }
+ return 0;
+}
+
+static int ar_usage(int ret) {
+ fprintf(stderr, "usage: tcc -ar [rcsv] lib file...\n");
+ fprintf(stderr, "create library ([abdioptxN] not supported).\n");
+ return ret;
+}
+
+ST_FUNC int tcc_tool_ar(TCCState *s1, int argc, char **argv)
+{
+ static ArHdr arhdr = {
+ "/ ",
+ " ",
+ "0 ",
+ "0 ",
+ "0 ",
+ " ",
+ ARFMAG
+ };
+
+ static ArHdr arhdro = {
+ " ",
+ " ",
+ "0 ",
+ "0 ",
+ "0 ",
+ " ",
+ ARFMAG
+ };
+
+ FILE *fi, *fh = NULL, *fo = NULL;
+ ElfW(Ehdr) *ehdr;
+ ElfW(Shdr) *shdr;
+ ElfW(Sym) *sym;
+ int i, fsize, i_lib, i_obj;
+ char *buf, *shstr, *symtab = NULL, *strtab = NULL;
+ int symtabsize = 0;//, strtabsize = 0;
+ char *anames = NULL;
+ int *afpos = NULL;
+ int istrlen, strpos = 0, fpos = 0, funccnt = 0, funcmax, hofs;
+ char tfile[260], stmp[20];
+ char *file, *name;
+ int ret = 2;
+ const char *ops_conflict = "habdioptxN"; // unsupported but destructive if ignored.
+ int verbose = 0;
+
+ i_lib = 0; i_obj = 0; // will hold the index of the lib and first obj
+ for (i = 1; i < argc; i++) {
+ const char *a = argv[i];
+ if (*a == '-' && strstr(a, "."))
+ ret = 1; // -x.y is always invalid (same as gnu ar)
+ if ((*a == '-') || (i == 1 && !strstr(a, "."))) { // options argument
+ if (contains_any(a, ops_conflict))
+ ret = 1;
+ if (strstr(a, "v"))
+ verbose = 1;
+ } else { // lib or obj files: don't abort - keep validating all args.
+ if (!i_lib) // first file is the lib
+ i_lib = i;
+ else if (!i_obj) // second file is the first obj
+ i_obj = i;
+ }
+ }
+
+ if (!i_obj) // i_obj implies also i_lib. we require both.
+ ret = 1;
+
+ if (ret == 1)
+ return ar_usage(ret);
+
+ if ((fh = fopen(argv[i_lib], "wb")) == NULL)
+ {
+ fprintf(stderr, "tcc: ar: can't open file %s \n", argv[i_lib]);
+ goto the_end;
+ }
+
+ sprintf(tfile, "%s.tmp", argv[i_lib]);
+ if ((fo = fopen(tfile, "wb+")) == NULL)
+ {
+ fprintf(stderr, "tcc: ar: can't create temporary file %s\n", tfile);
+ goto the_end;
+ }
+
+ funcmax = 250;
+ afpos = tcc_realloc(NULL, funcmax * sizeof *afpos); // 250 func
+ memcpy(&arhdro.ar_mode, "100666", 6);
+
+ // i_obj = first input object file
+ while (i_obj < argc)
+ {
+ if (*argv[i_obj] == '-') { // by now, all options start with '-'
+ i_obj++;
+ continue;
+ }
+ if ((fi = fopen(argv[i_obj], "rb")) == NULL) {
+ fprintf(stderr, "tcc: ar: can't open file %s \n", argv[i_obj]);
+ goto the_end;
+ }
+ if (verbose)
+ printf("a - %s\n", argv[i_obj]);
+
+ fseek(fi, 0, SEEK_END);
+ fsize = ftell(fi);
+ fseek(fi, 0, SEEK_SET);
+ buf = tcc_malloc(fsize + 1);
+ fread(buf, fsize, 1, fi);
+ fclose(fi);
+
+ // elf header
+ ehdr = (ElfW(Ehdr) *)buf;
+ if (ehdr->e_ident[4] != ELFCLASSW)
+ {
+ fprintf(stderr, "tcc: ar: Unsupported Elf Class: %s\n", argv[i_obj]);
+ goto the_end;
+ }
+
+ shdr = (ElfW(Shdr) *) (buf + ehdr->e_shoff + ehdr->e_shstrndx * ehdr->e_shentsize);
+ shstr = (char *)(buf + shdr->sh_offset);
+ for (i = 0; i < ehdr->e_shnum; i++)
+ {
+ shdr = (ElfW(Shdr) *) (buf + ehdr->e_shoff + i * ehdr->e_shentsize);
+ if (!shdr->sh_offset)
+ continue;
+ if (shdr->sh_type == SHT_SYMTAB)
+ {
+ symtab = (char *)(buf + shdr->sh_offset);
+ symtabsize = shdr->sh_size;
+ }
+ if (shdr->sh_type == SHT_STRTAB)
+ {
+ if (!strcmp(shstr + shdr->sh_name, ".strtab"))
+ {
+ strtab = (char *)(buf + shdr->sh_offset);
+ //strtabsize = shdr->sh_size;
+ }
+ }
+ }
+
+ if (symtab && symtabsize)
+ {
+ int nsym = symtabsize / sizeof(ElfW(Sym));
+ //printf("symtab: info size shndx name\n");
+ for (i = 1; i < nsym; i++)
+ {
+ sym = (ElfW(Sym) *) (symtab + i * sizeof(ElfW(Sym)));
+ if (sym->st_shndx &&
+ (sym->st_info == 0x10
+ || sym->st_info == 0x11
+ || sym->st_info == 0x12
+ )) {
+ //printf("symtab: %2Xh %4Xh %2Xh %s\n", sym->st_info, sym->st_size, sym->st_shndx, strtab + sym->st_name);
+ istrlen = strlen(strtab + sym->st_name)+1;
+ anames = tcc_realloc(anames, strpos+istrlen);
+ strcpy(anames + strpos, strtab + sym->st_name);
+ strpos += istrlen;
+ if (++funccnt >= funcmax) {
+ funcmax += 250;
+ afpos = tcc_realloc(afpos, funcmax * sizeof *afpos); // 250 func more
+ }
+ afpos[funccnt] = fpos;
+ }
+ }
+ }
+
+ file = argv[i_obj];
+ for (name = strchr(file, 0);
+ name > file && name[-1] != '/' && name[-1] != '\\';
+ --name);
+ istrlen = strlen(name);
+ if (istrlen >= sizeof(arhdro.ar_name))
+ istrlen = sizeof(arhdro.ar_name) - 1;
+ memset(arhdro.ar_name, ' ', sizeof(arhdro.ar_name));
+ memcpy(arhdro.ar_name, name, istrlen);
+ arhdro.ar_name[istrlen] = '/';
+ sprintf(stmp, "%-10d", fsize);
+ memcpy(&arhdro.ar_size, stmp, 10);
+ fwrite(&arhdro, sizeof(arhdro), 1, fo);
+ fwrite(buf, fsize, 1, fo);
+ tcc_free(buf);
+ i_obj++;
+ fpos += (fsize + sizeof(arhdro));
+ }
+ hofs = 8 + sizeof(arhdr) + strpos + (funccnt+1) * sizeof(int);
+ fpos = 0;
+ if ((hofs & 1)) // align
+ hofs++, fpos = 1;
+ // write header
+ fwrite("!<arch>\n", 8, 1, fh);
+ sprintf(stmp, "%-10d", (int)(strpos + (funccnt+1) * sizeof(int)));
+ memcpy(&arhdr.ar_size, stmp, 10);
+ fwrite(&arhdr, sizeof(arhdr), 1, fh);
+ afpos[0] = le2belong(funccnt);
+ for (i=1; i<=funccnt; i++)
+ afpos[i] = le2belong(afpos[i] + hofs);
+ fwrite(afpos, (funccnt+1) * sizeof(int), 1, fh);
+ fwrite(anames, strpos, 1, fh);
+ if (fpos)
+ fwrite("", 1, 1, fh);
+ // write objects
+ fseek(fo, 0, SEEK_END);
+ fsize = ftell(fo);
+ fseek(fo, 0, SEEK_SET);
+ buf = tcc_malloc(fsize + 1);
+ fread(buf, fsize, 1, fo);
+ fwrite(buf, fsize, 1, fh);
+ tcc_free(buf);
+ ret = 0;
+the_end:
+ if (anames)
+ tcc_free(anames);
+ if (afpos)
+ tcc_free(afpos);
+ if (fh)
+ fclose(fh);
+ if (fo)
+ fclose(fo), remove(tfile);
+ return ret;
+}
+
+/* -------------------------------------------------------------- */
+/*
+ * tiny_impdef creates an export definition file (.def) from a dll
+ * on MS-Windows. Usage: tiny_impdef library.dll [-o outputfile]"
+ *
+ * Copyright (c) 2005,2007 grischka
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifdef TCC_TARGET_PE
+
+ST_FUNC int tcc_tool_impdef(TCCState *s1, int argc, char **argv)
+{
+ int ret, v, i;
+ char infile[260];
+ char outfile[260];
+
+ const char *file;
+ char *p, *q;
+ FILE *fp, *op;
+
+#ifdef _WIN32
+ char path[260];
+#endif
+
+ infile[0] = outfile[0] = 0;
+ fp = op = NULL;
+ ret = 1;
+ p = NULL;
+ v = 0;
+
+ for (i = 1; i < argc; ++i) {
+ const char *a = argv[i];
+ if ('-' == a[0]) {
+ if (0 == strcmp(a, "-v")) {
+ v = 1;
+ } else if (0 == strcmp(a, "-o")) {
+ if (++i == argc)
+ goto usage;
+ strcpy(outfile, argv[i]);
+ } else
+ goto usage;
+ } else if (0 == infile[0])
+ strcpy(infile, a);
+ else
+ goto usage;
+ }
+
+ if (0 == infile[0]) {
+usage:
+ fprintf(stderr,
+ "usage: tcc -impdef library.dll [-v] [-o outputfile]\n"
+ "create export definition file (.def) from dll\n"
+ );
+ goto the_end;
+ }
+
+ if (0 == outfile[0]) {
+ strcpy(outfile, tcc_basename(infile));
+ q = strrchr(outfile, '.');
+ if (NULL == q)
+ q = strchr(outfile, 0);
+ strcpy(q, ".def");
+ }
+
+ file = infile;
+#ifdef _WIN32
+ if (SearchPath(NULL, file, ".dll", sizeof path, path, NULL))
+ file = path;
+#endif
+ ret = tcc_get_dllexports(file, &p);
+ if (ret || !p) {
+ fprintf(stderr, "tcc: impdef: %s '%s'\n",
+ ret == -1 ? "can't find file" :
+ ret == 1 ? "can't read symbols" :
+ ret == 0 ? "no symbols found in" :
+ "unknown file type", file);
+ ret = 1;
+ goto the_end;
+ }
+
+ if (v)
+ printf("-> %s\n", file);
+
+ op = fopen(outfile, "wb");
+ if (NULL == op) {
+ fprintf(stderr, "tcc: impdef: could not create output file: %s\n", outfile);
+ goto the_end;
+ }
+
+ fprintf(op, "LIBRARY %s\n\nEXPORTS\n", tcc_basename(file));
+ for (q = p, i = 0; *q; ++i) {
+ fprintf(op, "%s\n", q);
+ q += strlen(q) + 1;
+ }
+
+ if (v)
+ printf("<- %s (%d symbol%s)\n", outfile, i, &"s"[i<2]);
+
+ ret = 0;
+
+the_end:
+ /* cannot free memory received from tcc_get_dllexports
+ if it came from a dll */
+ /* if (p)
+ tcc_free(p); */
+ if (fp)
+ fclose(fp);
+ if (op)
+ fclose(op);
+ return ret;
+}
+
+#endif /* TCC_TARGET_PE */
+
+/* -------------------------------------------------------------- */
+/*
+ * TCC - Tiny C Compiler
+ *
+ * Copyright (c) 2001-2004 Fabrice Bellard
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+/* re-execute the i386/x86_64 cross-compilers with tcc -m32/-m64: */
+
+#if !defined TCC_TARGET_I386 && !defined TCC_TARGET_X86_64
+
+ST_FUNC void tcc_tool_cross(TCCState *s, char **argv, int option)
+{
+ tcc_error("-m%d not implemented.", option);
+}
+
+#else
+#ifdef _WIN32
+#include <process.h>
+
+static char *str_replace(const char *str, const char *p, const char *r)
+{
+ const char *s, *s0;
+ char *d, *d0;
+ int sl, pl, rl;
+
+ sl = strlen(str);
+ pl = strlen(p);
+ rl = strlen(r);
+ for (d0 = NULL;; d0 = tcc_malloc(sl + 1)) {
+ for (d = d0, s = str; s0 = s, s = strstr(s, p), s; s += pl) {
+ if (d) {
+ memcpy(d, s0, sl = s - s0), d += sl;
+ memcpy(d, r, rl), d += rl;
+ } else
+ sl += rl - pl;
+ }
+ if (d) {
+ strcpy(d, s0);
+ return d0;
+ }
+ }
+}
+
+static int execvp_win32(const char *prog, char **argv)
+{
+ int ret; char **p;
+ /* replace all " by \" */
+ for (p = argv; *p; ++p)
+ if (strchr(*p, '"'))
+ *p = str_replace(*p, "\"", "\\\"");
+ ret = _spawnvp(P_NOWAIT, prog, (const char *const*)argv);
+ if (-1 == ret)
+ return ret;
+ _cwait(&ret, ret, WAIT_CHILD);
+ exit(ret);
+}
+#define execvp execvp_win32
+#endif /* _WIN32 */
+
+ST_FUNC void tcc_tool_cross(TCCState *s, char **argv, int target)
+{
+ char program[4096];
+ char *a0 = argv[0];
+ int prefix = tcc_basename(a0) - a0;
+
+ snprintf(program, sizeof program,
+ "%.*s%s"
+#ifdef TCC_TARGET_PE
+ "-win32"
+#endif
+ "-tcc"
+#ifdef _WIN32
+ ".exe"
+#endif
+ , prefix, a0, target == 64 ? "x86_64" : "i386");
+
+ if (strcmp(a0, program))
+ execvp(argv[0] = program, argv);
+ tcc_error("could not run '%s'", program);
+}
+
+#endif /* TCC_TARGET_I386 && TCC_TARGET_X86_64 */
+/* -------------------------------------------------------------- */
+/* enable commandline wildcard expansion (tcc -o x.exe *.c) */
+
+#ifdef _WIN32
+int _CRT_glob = 1;
+#ifndef _CRT_glob
+int _dowildcard = 1;
+#endif
+#endif
+
+/* -------------------------------------------------------------- */
+/* generate xxx.d file */
+
+ST_FUNC void gen_makedeps(TCCState *s, const char *target, const char *filename)
+{
+ FILE *depout;
+ char buf[1024];
+ int i;
+
+ if (!filename) {
+ /* compute filename automatically: dir/file.o -> dir/file.d */
+ snprintf(buf, sizeof buf, "%.*s.d",
+ (int)(tcc_fileextension(target) - target), target);
+ filename = buf;
+ }
+
+ if (s->verbose)
+ printf("<- %s\n", filename);
+
+ /* XXX return err codes instead of error() ? */
+ depout = fopen(filename, "w");
+ if (!depout)
+ tcc_error("could not open '%s'", filename);
+
+ fprintf(depout, "%s: \\\n", target);
+ for (i=0; i<s->nb_target_deps; ++i)
+ fprintf(depout, " %s \\\n", s->target_deps[i]);
+ fprintf(depout, "\n");
+ fclose(depout);
+}
+
+/* -------------------------------------------------------------- */
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