Merge branch 'devel' into araq

1 files changed, 546 insertions, 0 deletions

diff --git a/tinyc/tcctools.c b/tinyc/tcctools.c
new file mode 100644
index 000000000..53d88be6a
--- /dev/null
+++ b/tinyc/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, "w");
+    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);
+}
+
+/* -------------------------------------------------------------- */