Revert all of my changes to directories & codingstyle.

1 files changed, 365 insertions, 0 deletions

diff --git a/tcc.c b/tcc.c
new file mode 100644
index 0000000..704f8bc
--- /dev/null
+++ b/tcc.c
@@ -0,0 +1,365 @@
+/*
+ *  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
+ */
+
+#ifdef ONE_SOURCE
+#include "libtcc.c"
+#else
+#include "tcc.h"
+#endif
+
+static void print_paths(const char *msg, char **paths, int nb_paths)
+{
+    int i;
+    printf("%s:\n%s", msg, nb_paths ? "" : "  -\n");
+    for(i = 0; i < nb_paths; i++)
+        printf("  %s\n", paths[i]);
+}
+
+static void display_info(TCCState *s, int what)
+{
+    switch (what) {
+    case 0:
+        printf("tcc version %s ("
+#ifdef TCC_TARGET_I386
+        "i386"
+#elif defined TCC_TARGET_X86_64
+        "x86-64"
+#elif defined TCC_TARGET_C67
+        "C67"
+#elif defined TCC_TARGET_ARM
+        "ARM"
+# ifdef TCC_ARM_HARDFLOAT
+        " Hard Float"
+# endif
+#elif defined TCC_TARGET_ARM64
+        "AArch64"
+# ifdef TCC_ARM_HARDFLOAT
+        " Hard Float"
+# endif
+#endif
+#ifdef TCC_TARGET_PE
+        " Windows"
+#else
+        " Linux"
+#endif
+        ")\n", TCC_VERSION);
+        break;
+    case 1:
+        printf("install: %s\n", s->tcc_lib_path);
+        /* print_paths("programs", NULL, 0); */
+        print_paths("include", s->sysinclude_paths, s->nb_sysinclude_paths);
+        print_paths("libraries", s->library_paths, s->nb_library_paths);
+#ifndef TCC_TARGET_PE
+        print_paths("crt", s->crt_paths, s->nb_crt_paths);
+        printf("elfinterp:\n  %s\n",  DEFAULT_ELFINTERP(s));
+#endif
+        break;
+    }
+}
+
+static void help(void)
+{
+    printf("Tiny C Compiler "TCC_VERSION" - Copyright (C) 2001-2006 Fabrice Bellard\n"
+           "Usage: tcc [options...] [-o outfile] [-c] infile(s)...\n"
+           "       tcc [options...] -run infile [arguments...]\n"
+           "General options:\n"
+           "  -c          compile only - generate an object file\n"
+           "  -o outfile  set output filename\n"
+           "  -run        run compiled source\n"
+           "  -fflag      set or reset (with 'no-' prefix) 'flag' (see man page)\n"
+           "  -Wwarning   set or reset (with 'no-' prefix) 'warning' (see man page)\n"
+           "  -w          disable all warnings\n"
+           "  -v          show version\n"
+           "  -vv         show included files (as sole argument: show search paths)\n"
+           "  -dumpversion\n"
+           "  -bench      show compilation statistics\n"
+           "Preprocessor options:\n"
+           "  -Idir       add include path 'dir'\n"
+           "  -Dsym[=val] define 'sym' with value 'val'\n"
+           "  -Usym       undefine 'sym'\n"
+           "  -E          preprocess only\n"
+           "  -P[1]       no/alternative output of #line directives with -E\n"
+           "  -dD         dump defines\n"
+           "Linker options:\n"
+           "  -Ldir       add library path 'dir'\n"
+           "  -llib       link with dynamic or static library 'lib'\n"
+           "  -pthread    link with -lpthread and -D_REENTRANT (POSIX Linux)\n"
+           "  -r          generate (relocatable) object file\n"
+           "  -rdynamic   export all global symbols to dynamic linker\n"
+           "  -shared     generate a shared library\n"
+           "  -soname     set name for shared library to be used at runtime\n"
+           "  -static     static linking\n"
+           "  -Wl,-opt[=val]  set linker option (see manual)\n"
+           "Debugger options:\n"
+           "  -g          generate runtime debug info\n"
+#ifdef CONFIG_TCC_BCHECK
+           "  -b          compile with built-in memory and bounds checker (implies -g)\n"
+#endif
+#ifdef CONFIG_TCC_BACKTRACE
+           "  -bt N       show N callers in stack traces\n"
+#endif
+           "Misc options:\n"
+           "  -nostdinc   do not use standard system include paths\n"
+           "  -nostdlib   do not link with standard crt and libraries\n"
+           "  -Bdir       use 'dir' as tcc internal library and include path\n"
+           "  -MD         generate target dependencies for make\n"
+           "  -MF depfile put generated dependencies here\n"
+           );
+}
+
+/* re-execute the i386/x86_64 cross-compilers with tcc -m32/-m64: */
+#if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
+#ifdef _WIN32
+#include <process.h>
+static int execvp_win32(const char *prog, char **argv)
+{
+    int 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
+static void exec_other_tcc(TCCState *s, char **argv, const char *optarg)
+{
+    char child_path[4096], *child_name; const char *target;
+    switch (atoi(optarg)) {
+#ifdef TCC_TARGET_I386
+        case 32: break;
+        case 64: target = "x86_64";
+#else
+        case 64: break;
+        case 32: target = "i386";
+#endif
+            pstrcpy(child_path, sizeof child_path - 40, argv[0]);
+            child_name = tcc_basename(child_path);
+            strcpy(child_name, target);
+#ifdef TCC_TARGET_PE
+            strcat(child_name, "-win32");
+#endif
+            strcat(child_name, "-tcc");
+            if (strcmp(argv[0], child_path)) {
+                if (s->verbose > 0)
+                    printf("tcc: using '%s'\n", child_name), fflush(stdout);
+                execvp(argv[0] = child_path, argv);
+            }
+            tcc_error("'%s' not found", child_name);
+        case 0: /* ignore -march etc. */
+            break;
+        default:
+            tcc_warning("unsupported option \"-m%s\"", optarg);
+    }
+}
+#else
+#define exec_other_tcc(s, argv, optarg)
+#endif
+
+static void gen_makedeps(TCCState *s, const char *target, const char *filename)
+{
+    FILE *depout;
+    char buf[1024], *ext;
+    int i;
+
+    if (!filename) {
+        /* compute filename automatically
+         * dir/file.o -> dir/file.d             */
+        pstrcpy(buf, sizeof(buf), target);
+        ext = tcc_fileextension(buf);
+        pstrcpy(ext, sizeof(buf) - (ext-buf), ".d");
+        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);
+}
+
+static char *default_outputfile(TCCState *s, const char *first_file)
+{
+    char buf[1024];
+    char *ext;
+    const char *name = "a";
+
+    if (first_file && strcmp(first_file, "-"))
+        name = tcc_basename(first_file);
+    pstrcpy(buf, sizeof(buf), name);
+    ext = tcc_fileextension(buf);
+#ifdef TCC_TARGET_PE
+    if (s->output_type == TCC_OUTPUT_DLL)
+        strcpy(ext, ".dll");
+    else
+    if (s->output_type == TCC_OUTPUT_EXE)
+        strcpy(ext, ".exe");
+    else
+#endif
+    if (( (s->output_type == TCC_OUTPUT_OBJ && !s->option_r) ||
+          (s->output_type == TCC_OUTPUT_PREPROCESS) )
+        && *ext)
+        strcpy(ext, ".o");
+    else
+        strcpy(buf, "a.out");
+
+    return tcc_strdup(buf);
+}
+
+static int64_t getclock_us(void)
+{
+#ifdef _WIN32
+    struct _timeb tb;
+    _ftime(&tb);
+    return (tb.time * 1000LL + tb.millitm) * 1000LL;
+#else
+    struct timeval tv;
+    gettimeofday(&tv, NULL);
+    return tv.tv_sec * 1000000LL + tv.tv_usec;
+#endif
+}
+
+int main(int argc, char **argv)
+{
+    TCCState *s;
+    int ret, optind, i;
+    int64_t start_time = 0;
+
+    s = tcc_new();
+
+    optind = tcc_parse_args(s, argc - 1, argv + 1);
+
+    if (s->do_bench)
+        start_time = getclock_us();
+
+    tcc_set_environment(s);
+
+    if (optind == 0) {
+        help();
+        return 1;
+    }
+
+    if (s->option_m)
+        exec_other_tcc(s, argv, s->option_m);
+
+    if (s->verbose)
+        display_info(s, 0);
+
+    if (s->print_search_dirs || (s->verbose == 2 && optind == 1)) {
+        tcc_set_output_type(s, TCC_OUTPUT_MEMORY);
+        display_info(s, 1);
+        return 0;
+    }
+
+    if (s->verbose && optind == 1)
+        return 0;
+
+    if (s->nb_files == 0)
+        tcc_error("no input files\n");
+
+    /* check -c consistency : only single file handled. XXX: checks file type */
+    if (s->output_type == TCC_OUTPUT_OBJ && !s->option_r) {
+        if (s->nb_libraries != 0)
+            tcc_error("cannot specify libraries with -c");
+        /* accepts only a single input file */
+        if ((s->nb_files != 1) && s->outfile) {
+            tcc_error("cannot specify multiple files with -c and -o");
+        }
+    }
+
+    if (s->output_type == TCC_OUTPUT_PREPROCESS) {
+        if (!s->outfile) {
+            s->ppfp = stdout;
+        } else {
+            s->ppfp = fopen(s->outfile, "w");
+            if (!s->ppfp)
+                tcc_error("could not write '%s'", s->outfile);
+        }
+    }
+
+    tcc_set_output_type(s, s->output_type);
+
+    /* compile or add each files or library */
+    for(i = ret = 0; i < s->nb_files && ret == 0; i++) {
+        int filetype = *(unsigned char *)s->files[i];
+        const char *filename = s->files[i] + 1;
+        if (filename[0] == '-' && filename[1] == 'l') {
+            if (tcc_add_library(s, filename + 2) < 0) {
+                tcc_error_noabort("cannot find library 'lib%s'", filename+2);
+                ret = 1;
+            }
+        } else {
+            if (1 == s->verbose)
+                printf("-> %s\n", filename);
+            if (!s->outfile)
+                s->outfile = default_outputfile(s, filename);
+            if (tcc_add_file(s, filename, filetype) < 0)
+                ret = 1;
+            else
+            if (s->output_type == TCC_OUTPUT_OBJ) {
+                ret = !!tcc_output_file(s, s->outfile);
+                if (s->gen_deps && !ret)
+                    gen_makedeps(s, s->outfile, s->deps_outfile);
+                if (!ret) {
+                    if ((i+1) < s->nb_files) {
+                        tcc_delete(s);
+                        s = tcc_new();
+                        tcc_parse_args(s, argc - 1, argv + 1);
+                        tcc_set_environment(s);
+                        if (s->output_type != TCC_OUTPUT_OBJ)
+                            tcc_error("interlnal error");
+                        tcc_set_output_type(s, s->output_type);
+                    }
+                }
+            }
+        }
+    }
+
+    if (0 == ret) {
+        if (s->output_type == TCC_OUTPUT_MEMORY) {
+#ifdef TCC_IS_NATIVE
+            ret = tcc_run(s, argc - 1 - optind, argv + 1 + optind);
+#else
+            tcc_error_noabort("-run is not available in a cross compiler");
+            ret = 1;
+#endif
+        } else
+        if (s->output_type == TCC_OUTPUT_EXE ||
+            s->output_type == TCC_OUTPUT_DLL)
+        {
+            ret = !!tcc_output_file(s, s->outfile);
+            if (s->gen_deps && !ret)
+                gen_makedeps(s, s->outfile, s->deps_outfile);
+        }
+    }
+
+    if (s->do_bench)
+        tcc_print_stats(s, getclock_us() - start_time);
+
+    tcc_delete(s);
+    return ret;
+}