Import tcc_0.9.27.orig.tar.bz2

[dgit import orig tcc_0.9.27.orig.tar.bz2]

1 files changed, 1981 insertions, 0 deletions

diff --git a/libtcc.c b/libtcc.c
new file mode 100644
index 0000000..1e9dd97
--- /dev/null
+++ b/libtcc.c
@@ -0,0 +1,1981 @@
+/*
+ *  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
+ */
+
+#include "tcc.h"
+
+/********************************************************/
+/* global variables */
+
+/* use GNU C extensions */
+ST_DATA int gnu_ext = 1;
+
+/* use TinyCC extensions */
+ST_DATA int tcc_ext = 1;
+
+/* XXX: get rid of this ASAP */
+ST_DATA struct TCCState *tcc_state;
+
+static int nb_states;
+
+/********************************************************/
+
+#if ONE_SOURCE
+#include "tccpp.c"
+#include "tccgen.c"
+#include "tccelf.c"
+#include "tccrun.c"
+#ifdef TCC_TARGET_I386
+#include "i386-gen.c"
+#include "i386-link.c"
+#include "i386-asm.c"
+#endif
+#ifdef TCC_TARGET_ARM
+#include "arm-gen.c"
+#include "arm-link.c"
+#include "arm-asm.c"
+#endif
+#ifdef TCC_TARGET_ARM64
+#include "arm64-gen.c"
+#include "arm64-link.c"
+#endif
+#ifdef TCC_TARGET_C67
+#include "c67-gen.c"
+#include "c67-link.c"
+#include "tcccoff.c"
+#endif
+#ifdef TCC_TARGET_X86_64
+#include "x86_64-gen.c"
+#include "x86_64-link.c"
+#include "i386-asm.c"
+#endif
+#ifdef CONFIG_TCC_ASM
+#include "tccasm.c"
+#endif
+#ifdef TCC_TARGET_PE
+#include "tccpe.c"
+#endif
+#endif /* ONE_SOURCE */
+
+/********************************************************/
+#ifndef CONFIG_TCC_ASM
+ST_FUNC void asm_instr(void)
+{
+    tcc_error("inline asm() not supported");
+}
+ST_FUNC void asm_global_instr(void)
+{
+    tcc_error("inline asm() not supported");
+}
+#endif
+
+/********************************************************/
+#ifdef _WIN32
+ST_FUNC char *normalize_slashes(char *path)
+{
+    char *p;
+    for (p = path; *p; ++p)
+        if (*p == '\\')
+            *p = '/';
+    return path;
+}
+
+static HMODULE tcc_module;
+
+/* on win32, we suppose the lib and includes are at the location of 'tcc.exe' */
+static void tcc_set_lib_path_w32(TCCState *s)
+{
+    char path[1024], *p;
+    GetModuleFileNameA(tcc_module, path, sizeof path);
+    p = tcc_basename(normalize_slashes(strlwr(path)));
+    if (p > path)
+        --p;
+    *p = 0;
+    tcc_set_lib_path(s, path);
+}
+
+#ifdef TCC_TARGET_PE
+static void tcc_add_systemdir(TCCState *s)
+{
+    char buf[1000];
+    GetSystemDirectory(buf, sizeof buf);
+    tcc_add_library_path(s, normalize_slashes(buf));
+}
+#endif
+
+#ifdef LIBTCC_AS_DLL
+BOOL WINAPI DllMain (HINSTANCE hDll, DWORD dwReason, LPVOID lpReserved)
+{
+    if (DLL_PROCESS_ATTACH == dwReason)
+        tcc_module = hDll;
+    return TRUE;
+}
+#endif
+#endif
+
+/********************************************************/
+/* copy a string and truncate it. */
+ST_FUNC char *pstrcpy(char *buf, int buf_size, const char *s)
+{
+    char *q, *q_end;
+    int c;
+
+    if (buf_size > 0) {
+        q = buf;
+        q_end = buf + buf_size - 1;
+        while (q < q_end) {
+            c = *s++;
+            if (c == '\0')
+                break;
+            *q++ = c;
+        }
+        *q = '\0';
+    }
+    return buf;
+}
+
+/* strcat and truncate. */
+ST_FUNC char *pstrcat(char *buf, int buf_size, const char *s)
+{
+    int len;
+    len = strlen(buf);
+    if (len < buf_size)
+        pstrcpy(buf + len, buf_size - len, s);
+    return buf;
+}
+
+ST_FUNC char *pstrncpy(char *out, const char *in, size_t num)
+{
+    memcpy(out, in, num);
+    out[num] = '\0';
+    return out;
+}
+
+/* extract the basename of a file */
+PUB_FUNC char *tcc_basename(const char *name)
+{
+    char *p = strchr(name, 0);
+    while (p > name && !IS_DIRSEP(p[-1]))
+        --p;
+    return p;
+}
+
+/* extract extension part of a file
+ *
+ * (if no extension, return pointer to end-of-string)
+ */
+PUB_FUNC char *tcc_fileextension (const char *name)
+{
+    char *b = tcc_basename(name);
+    char *e = strrchr(b, '.');
+    return e ? e : strchr(b, 0);
+}
+
+/********************************************************/
+/* memory management */
+
+#undef free
+#undef malloc
+#undef realloc
+
+#ifndef MEM_DEBUG
+
+PUB_FUNC void tcc_free(void *ptr)
+{
+    free(ptr);
+}
+
+PUB_FUNC void *tcc_malloc(unsigned long size)
+{
+    void *ptr;
+    ptr = malloc(size);
+    if (!ptr && size)
+        tcc_error("memory full (malloc)");
+    return ptr;
+}
+
+PUB_FUNC void *tcc_mallocz(unsigned long size)
+{
+    void *ptr;
+    ptr = tcc_malloc(size);
+    memset(ptr, 0, size);
+    return ptr;
+}
+
+PUB_FUNC void *tcc_realloc(void *ptr, unsigned long size)
+{
+    void *ptr1;
+    ptr1 = realloc(ptr, size);
+    if (!ptr1 && size)
+        tcc_error("memory full (realloc)");
+    return ptr1;
+}
+
+PUB_FUNC char *tcc_strdup(const char *str)
+{
+    char *ptr;
+    ptr = tcc_malloc(strlen(str) + 1);
+    strcpy(ptr, str);
+    return ptr;
+}
+
+PUB_FUNC void tcc_memcheck(void)
+{
+}
+
+#else
+
+#define MEM_DEBUG_MAGIC1 0xFEEDDEB1
+#define MEM_DEBUG_MAGIC2 0xFEEDDEB2
+#define MEM_DEBUG_MAGIC3 0xFEEDDEB3
+#define MEM_DEBUG_FILE_LEN 40
+#define MEM_DEBUG_CHECK3(header) \
+    ((mem_debug_header_t*)((char*)header + header->size))->magic3
+#define MEM_USER_PTR(header) \
+    ((char *)header + offsetof(mem_debug_header_t, magic3))
+#define MEM_HEADER_PTR(ptr) \
+    (mem_debug_header_t *)((char*)ptr - offsetof(mem_debug_header_t, magic3))
+
+struct mem_debug_header {
+    unsigned magic1;
+    unsigned size;
+    struct mem_debug_header *prev;
+    struct mem_debug_header *next;
+    int line_num;
+    char file_name[MEM_DEBUG_FILE_LEN + 1];
+    unsigned magic2;
+    ALIGNED(16) unsigned magic3;
+};
+
+typedef struct mem_debug_header mem_debug_header_t;
+
+static mem_debug_header_t *mem_debug_chain;
+static unsigned mem_cur_size;
+static unsigned mem_max_size;
+
+static mem_debug_header_t *malloc_check(void *ptr, const char *msg)
+{
+    mem_debug_header_t * header = MEM_HEADER_PTR(ptr);
+    if (header->magic1 != MEM_DEBUG_MAGIC1 ||
+        header->magic2 != MEM_DEBUG_MAGIC2 ||
+        MEM_DEBUG_CHECK3(header) != MEM_DEBUG_MAGIC3 ||
+        header->size == (unsigned)-1) {
+        fprintf(stderr, "%s check failed\n", msg);
+        if (header->magic1 == MEM_DEBUG_MAGIC1)
+            fprintf(stderr, "%s:%u: block allocated here.\n",
+                header->file_name, header->line_num);
+        exit(1);
+    }
+    return header;
+}
+
+PUB_FUNC void *tcc_malloc_debug(unsigned long size, const char *file, int line)
+{
+    int ofs;
+    mem_debug_header_t *header;
+
+    header = malloc(sizeof(mem_debug_header_t) + size);
+    if (!header)
+        tcc_error("memory full (malloc)");
+
+    header->magic1 = MEM_DEBUG_MAGIC1;
+    header->magic2 = MEM_DEBUG_MAGIC2;
+    header->size = size;
+    MEM_DEBUG_CHECK3(header) = MEM_DEBUG_MAGIC3;
+    header->line_num = line;
+    ofs = strlen(file) - MEM_DEBUG_FILE_LEN;
+    strncpy(header->file_name, file + (ofs > 0 ? ofs : 0), MEM_DEBUG_FILE_LEN);
+    header->file_name[MEM_DEBUG_FILE_LEN] = 0;
+
+    header->next = mem_debug_chain;
+    header->prev = NULL;
+    if (header->next)
+        header->next->prev = header;
+    mem_debug_chain = header;
+
+    mem_cur_size += size;
+    if (mem_cur_size > mem_max_size)
+        mem_max_size = mem_cur_size;
+
+    return MEM_USER_PTR(header);
+}
+
+PUB_FUNC void tcc_free_debug(void *ptr)
+{
+    mem_debug_header_t *header;
+    if (!ptr)
+        return;
+    header = malloc_check(ptr, "tcc_free");
+    mem_cur_size -= header->size;
+    header->size = (unsigned)-1;
+    if (header->next)
+        header->next->prev = header->prev;
+    if (header->prev)
+        header->prev->next = header->next;
+    if (header == mem_debug_chain)
+        mem_debug_chain = header->next;
+    free(header);
+}
+
+PUB_FUNC void *tcc_mallocz_debug(unsigned long size, const char *file, int line)
+{
+    void *ptr;
+    ptr = tcc_malloc_debug(size,file,line);
+    memset(ptr, 0, size);
+    return ptr;
+}
+
+PUB_FUNC void *tcc_realloc_debug(void *ptr, unsigned long size, const char *file, int line)
+{
+    mem_debug_header_t *header;
+    int mem_debug_chain_update = 0;
+    if (!ptr)
+        return tcc_malloc_debug(size, file, line);
+    header = malloc_check(ptr, "tcc_realloc");
+    mem_cur_size -= header->size;
+    mem_debug_chain_update = (header == mem_debug_chain);
+    header = realloc(header, sizeof(mem_debug_header_t) + size);
+    if (!header)
+        tcc_error("memory full (realloc)");
+    header->size = size;
+    MEM_DEBUG_CHECK3(header) = MEM_DEBUG_MAGIC3;
+    if (header->next)
+        header->next->prev = header;
+    if (header->prev)
+        header->prev->next = header;
+    if (mem_debug_chain_update)
+        mem_debug_chain = header;
+    mem_cur_size += size;
+    if (mem_cur_size > mem_max_size)
+        mem_max_size = mem_cur_size;
+    return MEM_USER_PTR(header);
+}
+
+PUB_FUNC char *tcc_strdup_debug(const char *str, const char *file, int line)
+{
+    char *ptr;
+    ptr = tcc_malloc_debug(strlen(str) + 1, file, line);
+    strcpy(ptr, str);
+    return ptr;
+}
+
+PUB_FUNC void tcc_memcheck(void)
+{
+    if (mem_cur_size) {
+        mem_debug_header_t *header = mem_debug_chain;
+        fprintf(stderr, "MEM_DEBUG: mem_leak= %d bytes, mem_max_size= %d bytes\n",
+            mem_cur_size, mem_max_size);
+        while (header) {
+            fprintf(stderr, "%s:%u: error: %u bytes leaked\n",
+                header->file_name, header->line_num, header->size);
+            header = header->next;
+        }
+#if MEM_DEBUG-0 == 2
+        exit(2);
+#endif
+    }
+}
+#endif /* MEM_DEBUG */
+
+#define free(p) use_tcc_free(p)
+#define malloc(s) use_tcc_malloc(s)
+#define realloc(p, s) use_tcc_realloc(p, s)
+
+/********************************************************/
+/* dynarrays */
+
+ST_FUNC void dynarray_add(void *ptab, int *nb_ptr, void *data)
+{
+    int nb, nb_alloc;
+    void **pp;
+
+    nb = *nb_ptr;
+    pp = *(void ***)ptab;
+    /* every power of two we double array size */
+    if ((nb & (nb - 1)) == 0) {
+        if (!nb)
+            nb_alloc = 1;
+        else
+            nb_alloc = nb * 2;
+        pp = tcc_realloc(pp, nb_alloc * sizeof(void *));
+        *(void***)ptab = pp;
+    }
+    pp[nb++] = data;
+    *nb_ptr = nb;
+}
+
+ST_FUNC void dynarray_reset(void *pp, int *n)
+{
+    void **p;
+    for (p = *(void***)pp; *n; ++p, --*n)
+        if (*p)
+            tcc_free(*p);
+    tcc_free(*(void**)pp);
+    *(void**)pp = NULL;
+}
+
+static void tcc_split_path(TCCState *s, void *p_ary, int *p_nb_ary, const char *in)
+{
+    const char *p;
+    do {
+        int c;
+        CString str;
+
+        cstr_new(&str);
+        for (p = in; c = *p, c != '\0' && c != PATHSEP[0]; ++p) {
+            if (c == '{' && p[1] && p[2] == '}') {
+                c = p[1], p += 2;
+                if (c == 'B')
+                    cstr_cat(&str, s->tcc_lib_path, -1);
+            } else {
+                cstr_ccat(&str, c);
+            }
+        }
+        if (str.size) {
+            cstr_ccat(&str, '\0');
+            dynarray_add(p_ary, p_nb_ary, tcc_strdup(str.data));
+        }
+        cstr_free(&str);
+        in = p+1;
+    } while (*p);
+}
+
+/********************************************************/
+
+static void strcat_vprintf(char *buf, int buf_size, const char *fmt, va_list ap)
+{
+    int len;
+    len = strlen(buf);
+    vsnprintf(buf + len, buf_size - len, fmt, ap);
+}
+
+static void strcat_printf(char *buf, int buf_size, const char *fmt, ...)
+{
+    va_list ap;
+    va_start(ap, fmt);
+    strcat_vprintf(buf, buf_size, fmt, ap);
+    va_end(ap);
+}
+
+static void error1(TCCState *s1, int is_warning, const char *fmt, va_list ap)
+{
+    char buf[2048];
+    BufferedFile **pf, *f;
+
+    buf[0] = '\0';
+    /* use upper file if inline ":asm:" or token ":paste:" */
+    for (f = file; f && f->filename[0] == ':'; f = f->prev)
+     ;
+    if (f) {
+        for(pf = s1->include_stack; pf < s1->include_stack_ptr; pf++)
+            strcat_printf(buf, sizeof(buf), "In file included from %s:%d:\n",
+                (*pf)->filename, (*pf)->line_num);
+        if (s1->error_set_jmp_enabled) {
+            strcat_printf(buf, sizeof(buf), "%s:%d: ",
+                f->filename, f->line_num - !!(tok_flags & TOK_FLAG_BOL));
+        } else {
+            strcat_printf(buf, sizeof(buf), "%s: ",
+                f->filename);
+        }
+    } else {
+        strcat_printf(buf, sizeof(buf), "tcc: ");
+    }
+    if (is_warning)
+        strcat_printf(buf, sizeof(buf), "warning: ");
+    else
+        strcat_printf(buf, sizeof(buf), "error: ");
+    strcat_vprintf(buf, sizeof(buf), fmt, ap);
+
+    if (!s1->error_func) {
+        /* default case: stderr */
+        if (s1->output_type == TCC_OUTPUT_PREPROCESS && s1->ppfp == stdout)
+            /* print a newline during tcc -E */
+            printf("\n"), fflush(stdout);
+        fflush(stdout); /* flush -v output */
+        fprintf(stderr, "%s\n", buf);
+        fflush(stderr); /* print error/warning now (win32) */
+    } else {
+        s1->error_func(s1->error_opaque, buf);
+    }
+    if (!is_warning || s1->warn_error)
+        s1->nb_errors++;
+}
+
+LIBTCCAPI void tcc_set_error_func(TCCState *s, void *error_opaque,
+                        void (*error_func)(void *opaque, const char *msg))
+{
+    s->error_opaque = error_opaque;
+    s->error_func = error_func;
+}
+
+/* error without aborting current compilation */
+PUB_FUNC void tcc_error_noabort(const char *fmt, ...)
+{
+    TCCState *s1 = tcc_state;
+    va_list ap;
+
+    va_start(ap, fmt);
+    error1(s1, 0, fmt, ap);
+    va_end(ap);
+}
+
+PUB_FUNC void tcc_error(const char *fmt, ...)
+{
+    TCCState *s1 = tcc_state;
+    va_list ap;
+
+    va_start(ap, fmt);
+    error1(s1, 0, fmt, ap);
+    va_end(ap);
+    /* better than nothing: in some cases, we accept to handle errors */
+    if (s1->error_set_jmp_enabled) {
+        longjmp(s1->error_jmp_buf, 1);
+    } else {
+        /* XXX: eliminate this someday */
+        exit(1);
+    }
+}
+
+PUB_FUNC void tcc_warning(const char *fmt, ...)
+{
+    TCCState *s1 = tcc_state;
+    va_list ap;
+
+    if (s1->warn_none)
+        return;
+
+    va_start(ap, fmt);
+    error1(s1, 1, fmt, ap);
+    va_end(ap);
+}
+
+/********************************************************/
+/* I/O layer */
+
+ST_FUNC void tcc_open_bf(TCCState *s1, const char *filename, int initlen)
+{
+    BufferedFile *bf;
+    int buflen = initlen ? initlen : IO_BUF_SIZE;
+
+    bf = tcc_mallocz(sizeof(BufferedFile) + buflen);
+    bf->buf_ptr = bf->buffer;
+    bf->buf_end = bf->buffer + initlen;
+    bf->buf_end[0] = CH_EOB; /* put eob symbol */
+    pstrcpy(bf->filename, sizeof(bf->filename), filename);
+    bf->true_filename = bf->filename;
+    bf->line_num = 1;
+    bf->ifdef_stack_ptr = s1->ifdef_stack_ptr;
+    bf->fd = -1;
+    bf->prev = file;
+    file = bf;
+    tok_flags = TOK_FLAG_BOL | TOK_FLAG_BOF;
+}
+
+ST_FUNC void tcc_close(void)
+{
+    BufferedFile *bf = file;
+    if (bf->fd > 0) {
+        close(bf->fd);
+        total_lines += bf->line_num;
+    }
+    if (bf->true_filename != bf->filename)
+        tcc_free(bf->true_filename);
+    file = bf->prev;
+    tcc_free(bf);
+}
+
+ST_FUNC int tcc_open(TCCState *s1, const char *filename)
+{
+    int fd;
+    if (strcmp(filename, "-") == 0)
+        fd = 0, filename = "<stdin>";
+    else
+        fd = open(filename, O_RDONLY | O_BINARY);
+    if ((s1->verbose == 2 && fd >= 0) || s1->verbose == 3)
+        printf("%s %*s%s\n", fd < 0 ? "nf":"->",
+               (int)(s1->include_stack_ptr - s1->include_stack), "", filename);
+    if (fd < 0)
+        return -1;
+    tcc_open_bf(s1, filename, 0);
+#ifdef _WIN32
+    normalize_slashes(file->filename);
+#endif
+    file->fd = fd;
+    return fd;
+}
+
+/* compile the file opened in 'file'. Return non zero if errors. */
+static int tcc_compile(TCCState *s1)
+{
+    Sym *define_start;
+    int filetype, is_asm;
+
+    define_start = define_stack;
+    filetype = s1->filetype;
+    is_asm = filetype == AFF_TYPE_ASM || filetype == AFF_TYPE_ASMPP;
+    tccelf_begin_file(s1);
+
+    if (setjmp(s1->error_jmp_buf) == 0) {
+        s1->nb_errors = 0;
+        s1->error_set_jmp_enabled = 1;
+
+        preprocess_start(s1, is_asm);
+        if (s1->output_type == TCC_OUTPUT_PREPROCESS) {
+            tcc_preprocess(s1);
+        } else if (is_asm) {
+#ifdef CONFIG_TCC_ASM
+            tcc_assemble(s1, filetype == AFF_TYPE_ASMPP);
+#else
+            tcc_error_noabort("asm not supported");
+#endif
+        } else {
+            tccgen_compile(s1);
+        }
+    }
+    s1->error_set_jmp_enabled = 0;
+
+    preprocess_end(s1);
+    free_inline_functions(s1);
+    /* reset define stack, but keep -D and built-ins */
+    free_defines(define_start);
+    sym_pop(&global_stack, NULL, 0);
+    sym_pop(&local_stack, NULL, 0);
+    tccelf_end_file(s1);
+    return s1->nb_errors != 0 ? -1 : 0;
+}
+
+LIBTCCAPI int tcc_compile_string(TCCState *s, const char *str)
+{
+    int len, ret;
+
+    len = strlen(str);
+    tcc_open_bf(s, "<string>", len);
+    memcpy(file->buffer, str, len);
+    ret = tcc_compile(s);
+    tcc_close();
+    return ret;
+}
+
+/* define a preprocessor symbol. A value can also be provided with the '=' operator */
+LIBTCCAPI void tcc_define_symbol(TCCState *s1, const char *sym, const char *value)
+{
+    int len1, len2;
+    /* default value */
+    if (!value)
+        value = "1";
+    len1 = strlen(sym);
+    len2 = strlen(value);
+
+    /* init file structure */
+    tcc_open_bf(s1, "<define>", len1 + len2 + 1);
+    memcpy(file->buffer, sym, len1);
+    file->buffer[len1] = ' ';
+    memcpy(file->buffer + len1 + 1, value, len2);
+
+    /* parse with define parser */
+    next_nomacro();
+    parse_define();
+    tcc_close();
+}
+
+/* undefine a preprocessor symbol */
+LIBTCCAPI void tcc_undefine_symbol(TCCState *s1, const char *sym)
+{
+    TokenSym *ts;
+    Sym *s;
+    ts = tok_alloc(sym, strlen(sym));
+    s = define_find(ts->tok);
+    /* undefine symbol by putting an invalid name */
+    if (s)
+        define_undef(s);
+}
+
+/* cleanup all static data used during compilation */
+static void tcc_cleanup(void)
+{
+    if (NULL == tcc_state)
+        return;
+    while (file)
+        tcc_close();
+    tccpp_delete(tcc_state);
+    tcc_state = NULL;
+    /* free sym_pools */
+    dynarray_reset(&sym_pools, &nb_sym_pools);
+    /* reset symbol stack */
+    sym_free_first = NULL;
+}
+
+LIBTCCAPI TCCState *tcc_new(void)
+{
+    TCCState *s;
+
+    tcc_cleanup();
+
+    s = tcc_mallocz(sizeof(TCCState));
+    if (!s)
+        return NULL;
+    tcc_state = s;
+    ++nb_states;
+
+    s->alacarte_link = 1;
+    s->nocommon = 1;
+    s->warn_implicit_function_declaration = 1;
+    s->ms_extensions = 1;
+
+#ifdef CHAR_IS_UNSIGNED
+    s->char_is_unsigned = 1;
+#endif
+#ifdef TCC_TARGET_I386
+    s->seg_size = 32;
+#endif
+    /* enable this if you want symbols with leading underscore on windows: */
+#if 0 /* def TCC_TARGET_PE */
+    s->leading_underscore = 1;
+#endif
+#ifdef _WIN32
+    tcc_set_lib_path_w32(s);
+#else
+    tcc_set_lib_path(s, CONFIG_TCCDIR);
+#endif
+    tccelf_new(s);
+    tccpp_new(s);
+
+    /* we add dummy defines for some special macros to speed up tests
+       and to have working defined() */
+    define_push(TOK___LINE__, MACRO_OBJ, NULL, NULL);
+    define_push(TOK___FILE__, MACRO_OBJ, NULL, NULL);
+    define_push(TOK___DATE__, MACRO_OBJ, NULL, NULL);
+    define_push(TOK___TIME__, MACRO_OBJ, NULL, NULL);
+    define_push(TOK___COUNTER__, MACRO_OBJ, NULL, NULL);
+    {
+        /* define __TINYC__ 92X  */
+        char buffer[32]; int a,b,c;
+        sscanf(TCC_VERSION, "%d.%d.%d", &a, &b, &c);
+        sprintf(buffer, "%d", a*10000 + b*100 + c);
+        tcc_define_symbol(s, "__TINYC__", buffer);
+    }
+
+    /* standard defines */
+    tcc_define_symbol(s, "__STDC__", NULL);
+    tcc_define_symbol(s, "__STDC_VERSION__", "199901L");
+    tcc_define_symbol(s, "__STDC_HOSTED__", NULL);
+
+    /* target defines */
+#if defined(TCC_TARGET_I386)
+    tcc_define_symbol(s, "__i386__", NULL);
+    tcc_define_symbol(s, "__i386", NULL);
+    tcc_define_symbol(s, "i386", NULL);
+#elif defined(TCC_TARGET_X86_64)
+    tcc_define_symbol(s, "__x86_64__", NULL);
+#elif defined(TCC_TARGET_ARM)
+    tcc_define_symbol(s, "__ARM_ARCH_4__", NULL);
+    tcc_define_symbol(s, "__arm_elf__", NULL);
+    tcc_define_symbol(s, "__arm_elf", NULL);
+    tcc_define_symbol(s, "arm_elf", NULL);
+    tcc_define_symbol(s, "__arm__", NULL);
+    tcc_define_symbol(s, "__arm", NULL);
+    tcc_define_symbol(s, "arm", NULL);
+    tcc_define_symbol(s, "__APCS_32__", NULL);
+    tcc_define_symbol(s, "__ARMEL__", NULL);
+#if defined(TCC_ARM_EABI)
+    tcc_define_symbol(s, "__ARM_EABI__", NULL);
+#endif
+#if defined(TCC_ARM_HARDFLOAT)
+    s->float_abi = ARM_HARD_FLOAT;
+    tcc_define_symbol(s, "__ARM_PCS_VFP", NULL);
+#else
+    s->float_abi = ARM_SOFTFP_FLOAT;
+#endif
+#elif defined(TCC_TARGET_ARM64)
+    tcc_define_symbol(s, "__aarch64__", NULL);
+#elif defined TCC_TARGET_C67
+    tcc_define_symbol(s, "__C67__", NULL);
+#endif
+
+#ifdef TCC_TARGET_PE
+    tcc_define_symbol(s, "_WIN32", NULL);
+# ifdef TCC_TARGET_X86_64
+    tcc_define_symbol(s, "_WIN64", NULL);
+# endif
+#else
+    tcc_define_symbol(s, "__unix__", NULL);
+    tcc_define_symbol(s, "__unix", NULL);
+    tcc_define_symbol(s, "unix", NULL);
+# if defined(__linux__)
+    tcc_define_symbol(s, "__linux__", NULL);
+    tcc_define_symbol(s, "__linux", NULL);
+# endif
+# if defined(__FreeBSD__)
+    tcc_define_symbol(s, "__FreeBSD__", "__FreeBSD__");
+    /* No 'Thread Storage Local' on FreeBSD with tcc */
+    tcc_define_symbol(s, "__NO_TLS", NULL);
+# endif
+# if defined(__FreeBSD_kernel__)
+    tcc_define_symbol(s, "__FreeBSD_kernel__", NULL);
+# endif
+# if defined(__NetBSD__)
+    tcc_define_symbol(s, "__NetBSD__", "__NetBSD__");
+# endif
+# if defined(__OpenBSD__)
+    tcc_define_symbol(s, "__OpenBSD__", "__OpenBSD__");
+# endif
+#endif
+
+    /* TinyCC & gcc defines */
+#if PTR_SIZE == 4
+    /* 32bit systems. */
+    tcc_define_symbol(s, "__SIZE_TYPE__", "unsigned int");
+    tcc_define_symbol(s, "__PTRDIFF_TYPE__", "int");
+    tcc_define_symbol(s, "__ILP32__", NULL);
+#elif LONG_SIZE == 4
+    /* 64bit Windows. */
+    tcc_define_symbol(s, "__SIZE_TYPE__", "unsigned long long");
+    tcc_define_symbol(s, "__PTRDIFF_TYPE__", "long long");
+    tcc_define_symbol(s, "__LLP64__", NULL);
+#else
+    /* Other 64bit systems. */
+    tcc_define_symbol(s, "__SIZE_TYPE__", "unsigned long");
+    tcc_define_symbol(s, "__PTRDIFF_TYPE__", "long");
+    tcc_define_symbol(s, "__LP64__", NULL);
+#endif
+
+#ifdef TCC_TARGET_PE
+    tcc_define_symbol(s, "__WCHAR_TYPE__", "unsigned short");
+    tcc_define_symbol(s, "__WINT_TYPE__", "unsigned short");
+#else
+    tcc_define_symbol(s, "__WCHAR_TYPE__", "int");
+    /* wint_t is unsigned int by default, but (signed) int on BSDs
+       and unsigned short on windows.  Other OSes might have still
+       other conventions, sigh.  */
+# if defined(__FreeBSD__) || defined (__FreeBSD_kernel__) \
+  || defined(__NetBSD__) || defined(__OpenBSD__)
+    tcc_define_symbol(s, "__WINT_TYPE__", "int");
+#  ifdef __FreeBSD__
+    /* define __GNUC__ to have some useful stuff from sys/cdefs.h
+       that are unconditionally used in FreeBSDs other system headers :/ */
+    tcc_define_symbol(s, "__GNUC__", "2");
+    tcc_define_symbol(s, "__GNUC_MINOR__", "7");
+    tcc_define_symbol(s, "__builtin_alloca", "alloca");
+#  endif
+# else
+    tcc_define_symbol(s, "__WINT_TYPE__", "unsigned int");
+    /* glibc defines */
+    tcc_define_symbol(s, "__REDIRECT(name, proto, alias)",
+        "name proto __asm__ (#alias)");
+    tcc_define_symbol(s, "__REDIRECT_NTH(name, proto, alias)",
+        "name proto __asm__ (#alias) __THROW");
+# endif
+# if defined(TCC_MUSL)
+    tcc_define_symbol(s, "__DEFINED_va_list", "");
+    tcc_define_symbol(s, "__DEFINED___isoc_va_list", "");
+    tcc_define_symbol(s, "__isoc_va_list", "void *");
+# endif /* TCC_MUSL */
+    /* Some GCC builtins that are simple to express as macros.  */
+    tcc_define_symbol(s, "__builtin_extract_return_addr(x)", "x");
+#endif /* ndef TCC_TARGET_PE */
+    return s;
+}
+
+LIBTCCAPI void tcc_delete(TCCState *s1)
+{
+    tcc_cleanup();
+
+    /* free sections */
+    tccelf_delete(s1);
+
+    /* free library paths */
+    dynarray_reset(&s1->library_paths, &s1->nb_library_paths);
+    dynarray_reset(&s1->crt_paths, &s1->nb_crt_paths);
+
+    /* free include paths */
+    dynarray_reset(&s1->cached_includes, &s1->nb_cached_includes);
+    dynarray_reset(&s1->include_paths, &s1->nb_include_paths);
+    dynarray_reset(&s1->sysinclude_paths, &s1->nb_sysinclude_paths);
+    dynarray_reset(&s1->cmd_include_files, &s1->nb_cmd_include_files);
+
+    tcc_free(s1->tcc_lib_path);
+    tcc_free(s1->soname);
+    tcc_free(s1->rpath);
+    tcc_free(s1->init_symbol);
+    tcc_free(s1->fini_symbol);
+    tcc_free(s1->outfile);
+    tcc_free(s1->deps_outfile);
+    dynarray_reset(&s1->files, &s1->nb_files);
+    dynarray_reset(&s1->target_deps, &s1->nb_target_deps);
+    dynarray_reset(&s1->pragma_libs, &s1->nb_pragma_libs);
+    dynarray_reset(&s1->argv, &s1->argc);
+
+#ifdef TCC_IS_NATIVE
+    /* free runtime memory */
+    tcc_run_free(s1);
+#endif
+
+    tcc_free(s1);
+    if (0 == --nb_states)
+        tcc_memcheck();
+}
+
+LIBTCCAPI int tcc_set_output_type(TCCState *s, int output_type)
+{
+    s->output_type = output_type;
+
+    /* always elf for objects */
+    if (output_type == TCC_OUTPUT_OBJ)
+        s->output_format = TCC_OUTPUT_FORMAT_ELF;
+
+    if (s->char_is_unsigned)
+        tcc_define_symbol(s, "__CHAR_UNSIGNED__", NULL);
+
+    if (!s->nostdinc) {
+        /* default include paths */
+        /* -isystem paths have already been handled */
+        tcc_add_sysinclude_path(s, CONFIG_TCC_SYSINCLUDEPATHS);
+    }
+
+#ifdef CONFIG_TCC_BCHECK
+    if (s->do_bounds_check) {
+        /* if bound checking, then add corresponding sections */
+        tccelf_bounds_new(s);
+        /* define symbol */
+        tcc_define_symbol(s, "__BOUNDS_CHECKING_ON", NULL);
+    }
+#endif
+    if (s->do_debug) {
+        /* add debug sections */
+        tccelf_stab_new(s);
+    }
+
+    tcc_add_library_path(s, CONFIG_TCC_LIBPATHS);
+
+#ifdef TCC_TARGET_PE
+# ifdef _WIN32
+    if (!s->nostdlib && output_type != TCC_OUTPUT_OBJ)
+        tcc_add_systemdir(s);
+# endif
+#else
+    /* paths for crt objects */
+    tcc_split_path(s, &s->crt_paths, &s->nb_crt_paths, CONFIG_TCC_CRTPREFIX);
+    /* add libc crt1/crti objects */
+    if ((output_type == TCC_OUTPUT_EXE || output_type == TCC_OUTPUT_DLL) &&
+        !s->nostdlib) {
+        if (output_type != TCC_OUTPUT_DLL)
+            tcc_add_crt(s, "crt1.o");
+        tcc_add_crt(s, "crti.o");
+    }
+#endif
+    return 0;
+}
+
+LIBTCCAPI int tcc_add_include_path(TCCState *s, const char *pathname)
+{
+    tcc_split_path(s, &s->include_paths, &s->nb_include_paths, pathname);
+    return 0;
+}
+
+LIBTCCAPI int tcc_add_sysinclude_path(TCCState *s, const char *pathname)
+{
+    tcc_split_path(s, &s->sysinclude_paths, &s->nb_sysinclude_paths, pathname);
+    return 0;
+}
+
+ST_FUNC int tcc_add_file_internal(TCCState *s1, const char *filename, int flags)
+{
+    int ret;
+
+    /* open the file */
+    ret = tcc_open(s1, filename);
+    if (ret < 0) {
+        if (flags & AFF_PRINT_ERROR)
+            tcc_error_noabort("file '%s' not found", filename);
+        return ret;
+    }
+
+    /* update target deps */
+    dynarray_add(&s1->target_deps, &s1->nb_target_deps,
+            tcc_strdup(filename));
+
+    if (flags & AFF_TYPE_BIN) {
+        ElfW(Ehdr) ehdr;
+        int fd, obj_type;
+
+        fd = file->fd;
+        obj_type = tcc_object_type(fd, &ehdr);
+        lseek(fd, 0, SEEK_SET);
+
+#ifdef TCC_TARGET_MACHO
+        if (0 == obj_type && 0 == strcmp(tcc_fileextension(filename), ".dylib"))
+            obj_type = AFF_BINTYPE_DYN;
+#endif
+
+        switch (obj_type) {
+        case AFF_BINTYPE_REL:
+            ret = tcc_load_object_file(s1, fd, 0);
+            break;
+#ifndef TCC_TARGET_PE
+        case AFF_BINTYPE_DYN:
+            if (s1->output_type == TCC_OUTPUT_MEMORY) {
+                ret = 0;
+#ifdef TCC_IS_NATIVE
+                if (NULL == dlopen(filename, RTLD_GLOBAL | RTLD_LAZY))
+                    ret = -1;
+#endif
+            } else {
+                ret = tcc_load_dll(s1, fd, filename,
+                                   (flags & AFF_REFERENCED_DLL) != 0);
+            }
+            break;
+#endif
+        case AFF_BINTYPE_AR:
+            ret = tcc_load_archive(s1, fd);
+            break;
+#ifdef TCC_TARGET_COFF
+        case AFF_BINTYPE_C67:
+            ret = tcc_load_coff(s1, fd);
+            break;
+#endif
+        default:
+#ifdef TCC_TARGET_PE
+            ret = pe_load_file(s1, filename, fd);
+#else
+            /* as GNU ld, consider it is an ld script if not recognized */
+            ret = tcc_load_ldscript(s1);
+#endif
+            if (ret < 0)
+                tcc_error_noabort("unrecognized file type");
+            break;
+        }
+    } else {
+        ret = tcc_compile(s1);
+    }
+    tcc_close();
+    return ret;
+}
+
+LIBTCCAPI int tcc_add_file(TCCState *s, const char *filename)
+{
+    int filetype = s->filetype;
+    int flags = AFF_PRINT_ERROR;
+    if (filetype == 0) {
+        /* use a file extension to detect a filetype */
+        const char *ext = tcc_fileextension(filename);
+        if (ext[0]) {
+            ext++;
+            if (!strcmp(ext, "S"))
+                filetype = AFF_TYPE_ASMPP;
+            else if (!strcmp(ext, "s"))
+                filetype = AFF_TYPE_ASM;
+            else if (!PATHCMP(ext, "c") || !PATHCMP(ext, "i"))
+                filetype = AFF_TYPE_C;
+            else
+                flags |= AFF_TYPE_BIN;
+        } else {
+            filetype = AFF_TYPE_C;
+        }
+        s->filetype = filetype;
+    }
+    return tcc_add_file_internal(s, filename, flags);
+}
+
+LIBTCCAPI int tcc_add_library_path(TCCState *s, const char *pathname)
+{
+    tcc_split_path(s, &s->library_paths, &s->nb_library_paths, pathname);
+    return 0;
+}
+
+static int tcc_add_library_internal(TCCState *s, const char *fmt,
+    const char *filename, int flags, char **paths, int nb_paths)
+{
+    char buf[1024];
+    int i;
+
+    for(i = 0; i < nb_paths; i++) {
+        snprintf(buf, sizeof(buf), fmt, paths[i], filename);
+        if (tcc_add_file_internal(s, buf, flags | AFF_TYPE_BIN) == 0)
+            return 0;
+    }
+    return -1;
+}
+
+/* find and load a dll. Return non zero if not found */
+/* XXX: add '-rpath' option support ? */
+ST_FUNC int tcc_add_dll(TCCState *s, const char *filename, int flags)
+{
+    return tcc_add_library_internal(s, "%s/%s", filename, flags,
+        s->library_paths, s->nb_library_paths);
+}
+
+ST_FUNC int tcc_add_crt(TCCState *s, const char *filename)
+{
+    if (-1 == tcc_add_library_internal(s, "%s/%s",
+        filename, 0, s->crt_paths, s->nb_crt_paths))
+        tcc_error_noabort("file '%s' not found", filename);
+    return 0;
+}
+
+/* the library name is the same as the argument of the '-l' option */
+LIBTCCAPI int tcc_add_library(TCCState *s, const char *libraryname)
+{
+#if defined TCC_TARGET_PE
+    const char *libs[] = { "%s/%s.def", "%s/lib%s.def", "%s/%s.dll", "%s/lib%s.dll", "%s/lib%s.a", NULL };
+    const char **pp = s->static_link ? libs + 4 : libs;
+#elif defined TCC_TARGET_MACHO
+    const char *libs[] = { "%s/lib%s.dylib", "%s/lib%s.a", NULL };
+    const char **pp = s->static_link ? libs + 1 : libs;
+#else
+    const char *libs[] = { "%s/lib%s.so", "%s/lib%s.a", NULL };
+    const char **pp = s->static_link ? libs + 1 : libs;
+#endif
+    while (*pp) {
+        if (0 == tcc_add_library_internal(s, *pp,
+            libraryname, 0, s->library_paths, s->nb_library_paths))
+            return 0;
+        ++pp;
+    }
+    return -1;
+}
+
+PUB_FUNC int tcc_add_library_err(TCCState *s, const char *libname)
+{
+    int ret = tcc_add_library(s, libname);
+    if (ret < 0)
+        tcc_error_noabort("library '%s' not found", libname);
+    return ret;
+}
+
+/* handle #pragma comment(lib,) */
+ST_FUNC void tcc_add_pragma_libs(TCCState *s1)
+{
+    int i;
+    for (i = 0; i < s1->nb_pragma_libs; i++)
+        tcc_add_library_err(s1, s1->pragma_libs[i]);
+}
+
+LIBTCCAPI int tcc_add_symbol(TCCState *s, const char *name, const void *val)
+{
+#ifdef TCC_TARGET_PE
+    /* On x86_64 'val' might not be reachable with a 32bit offset.
+       So it is handled here as if it were in a DLL. */
+    pe_putimport(s, 0, name, (uintptr_t)val);
+#else
+    set_elf_sym(symtab_section, (uintptr_t)val, 0,
+        ELFW(ST_INFO)(STB_GLOBAL, STT_NOTYPE), 0,
+        SHN_ABS, name);
+#endif
+    return 0;
+}
+
+LIBTCCAPI void tcc_set_lib_path(TCCState *s, const char *path)
+{
+    tcc_free(s->tcc_lib_path);
+    s->tcc_lib_path = tcc_strdup(path);
+}
+
+#define WD_ALL    0x0001 /* warning is activated when using -Wall */
+#define FD_INVERT 0x0002 /* invert value before storing */
+
+typedef struct FlagDef {
+    uint16_t offset;
+    uint16_t flags;
+    const char *name;
+} FlagDef;
+
+static int no_flag(const char **pp)
+{
+    const char *p = *pp;
+    if (*p != 'n' || *++p != 'o' || *++p != '-')
+        return 0;
+    *pp = p + 1;
+    return 1;
+}
+
+ST_FUNC int set_flag(TCCState *s, const FlagDef *flags, const char *name)
+{
+    int value, ret;
+    const FlagDef *p;
+    const char *r;
+
+    value = 1;
+    r = name;
+    if (no_flag(&r))
+        value = 0;
+
+    for (ret = -1, p = flags; p->name; ++p) {
+        if (ret) {
+            if (strcmp(r, p->name))
+                continue;
+        } else {
+            if (0 == (p->flags & WD_ALL))
+                continue;
+        }
+        if (p->offset) {
+            *(int*)((char *)s + p->offset) =
+                p->flags & FD_INVERT ? !value : value;
+            if (ret)
+                return 0;
+        } else {
+            ret = 0;
+        }
+    }
+    return ret;
+}
+
+static int strstart(const char *val, const char **str)
+{
+    const char *p, *q;
+    p = *str;
+    q = val;
+    while (*q) {
+        if (*p != *q)
+            return 0;
+        p++;
+        q++;
+    }
+    *str = p;
+    return 1;
+}
+
+/* Like strstart, but automatically takes into account that ld options can
+ *
+ * - start with double or single dash (e.g. '--soname' or '-soname')
+ * - arguments can be given as separate or after '=' (e.g. '-Wl,-soname,x.so'
+ *   or '-Wl,-soname=x.so')
+ *
+ * you provide `val` always in 'option[=]' form (no leading -)
+ */
+static int link_option(const char *str, const char *val, const char **ptr)
+{
+    const char *p, *q;
+    int ret;
+
+    /* there should be 1 or 2 dashes */
+    if (*str++ != '-')
+        return 0;
+    if (*str == '-')
+        str++;
+
+    /* then str & val should match (potentially up to '=') */
+    p = str;
+    q = val;
+
+    ret = 1;
+    if (q[0] == '?') {
+        ++q;
+        if (no_flag(&p))
+            ret = -1;
+    }
+
+    while (*q != '\0' && *q != '=') {
+        if (*p != *q)
+            return 0;
+        p++;
+        q++;
+    }
+
+    /* '=' near eos means ',' or '=' is ok */
+    if (*q == '=') {
+        if (*p == 0)
+            *ptr = p;
+        if (*p != ',' && *p != '=')
+            return 0;
+        p++;
+    } else if (*p) {
+        return 0;
+    }
+    *ptr = p;
+    return ret;
+}
+
+static const char *skip_linker_arg(const char **str)
+{
+    const char *s1 = *str;
+    const char *s2 = strchr(s1, ',');
+    *str = s2 ? s2++ : (s2 = s1 + strlen(s1));
+    return s2;
+}
+
+static void copy_linker_arg(char **pp, const char *s, int sep)
+{
+    const char *q = s;
+    char *p = *pp;
+    int l = 0;
+    if (p && sep)
+        p[l = strlen(p)] = sep, ++l;
+    skip_linker_arg(&q);
+    pstrncpy(l + (*pp = tcc_realloc(p, q - s + l + 1)), s, q - s);
+}
+
+/* set linker options */
+static int tcc_set_linker(TCCState *s, const char *option)
+{
+    while (*option) {
+
+        const char *p = NULL;
+        char *end = NULL;
+        int ignoring = 0;
+        int ret;
+
+        if (link_option(option, "Bsymbolic", &p)) {
+            s->symbolic = 1;
+        } else if (link_option(option, "nostdlib", &p)) {
+            s->nostdlib = 1;
+        } else if (link_option(option, "fini=", &p)) {
+            copy_linker_arg(&s->fini_symbol, p, 0);
+            ignoring = 1;
+        } else if (link_option(option, "image-base=", &p)
+                || link_option(option, "Ttext=", &p)) {
+            s->text_addr = strtoull(p, &end, 16);
+            s->has_text_addr = 1;
+        } else if (link_option(option, "init=", &p)) {
+            copy_linker_arg(&s->init_symbol, p, 0);
+            ignoring = 1;
+        } else if (link_option(option, "oformat=", &p)) {
+#if defined(TCC_TARGET_PE)
+            if (strstart("pe-", &p)) {
+#elif PTR_SIZE == 8
+            if (strstart("elf64-", &p)) {
+#else
+            if (strstart("elf32-", &p)) {
+#endif
+                s->output_format = TCC_OUTPUT_FORMAT_ELF;
+            } else if (!strcmp(p, "binary")) {
+                s->output_format = TCC_OUTPUT_FORMAT_BINARY;
+#ifdef TCC_TARGET_COFF
+            } else if (!strcmp(p, "coff")) {
+                s->output_format = TCC_OUTPUT_FORMAT_COFF;
+#endif
+            } else
+                goto err;
+
+        } else if (link_option(option, "as-needed", &p)) {
+            ignoring = 1;
+        } else if (link_option(option, "O", &p)) {
+            ignoring = 1;
+        } else if (link_option(option, "export-all-symbols", &p)) {
+            s->rdynamic = 1;
+        } else if (link_option(option, "rpath=", &p)) {
+            copy_linker_arg(&s->rpath, p, ':');
+        } else if (link_option(option, "enable-new-dtags", &p)) {
+            s->enable_new_dtags = 1;
+        } else if (link_option(option, "section-alignment=", &p)) {
+            s->section_align = strtoul(p, &end, 16);
+        } else if (link_option(option, "soname=", &p)) {
+            copy_linker_arg(&s->soname, p, 0);
+#ifdef TCC_TARGET_PE
+        } else if (link_option(option, "large-address-aware", &p)) {
+            s->pe_characteristics |= 0x20;
+        } else if (link_option(option, "file-alignment=", &p)) {
+            s->pe_file_align = strtoul(p, &end, 16);
+        } else if (link_option(option, "stack=", &p)) {
+            s->pe_stack_size = strtoul(p, &end, 10);
+        } else if (link_option(option, "subsystem=", &p)) {
+#if defined(TCC_TARGET_I386) || defined(TCC_TARGET_X86_64)
+            if (!strcmp(p, "native")) {
+                s->pe_subsystem = 1;
+            } else if (!strcmp(p, "console")) {
+                s->pe_subsystem = 3;
+            } else if (!strcmp(p, "gui") || !strcmp(p, "windows")) {
+                s->pe_subsystem = 2;
+            } else if (!strcmp(p, "posix")) {
+                s->pe_subsystem = 7;
+            } else if (!strcmp(p, "efiapp")) {
+                s->pe_subsystem = 10;
+            } else if (!strcmp(p, "efiboot")) {
+                s->pe_subsystem = 11;
+            } else if (!strcmp(p, "efiruntime")) {
+                s->pe_subsystem = 12;
+            } else if (!strcmp(p, "efirom")) {
+                s->pe_subsystem = 13;
+#elif defined(TCC_TARGET_ARM)
+            if (!strcmp(p, "wince")) {
+                s->pe_subsystem = 9;
+#endif
+            } else
+                goto err;
+#endif
+        } else if (ret = link_option(option, "?whole-archive", &p), ret) {
+            s->alacarte_link = ret < 0;
+        } else if (p) {
+            return 0;
+        } else {
+    err:
+            tcc_error("unsupported linker option '%s'", option);
+        }
+
+        if (ignoring && s->warn_unsupported)
+            tcc_warning("unsupported linker option '%s'", option);
+
+        option = skip_linker_arg(&p);
+    }
+    return 1;
+}
+
+typedef struct TCCOption {
+    const char *name;
+    uint16_t index;
+    uint16_t flags;
+} TCCOption;
+
+enum {
+    TCC_OPTION_HELP,
+    TCC_OPTION_HELP2,
+    TCC_OPTION_v,
+    TCC_OPTION_I,
+    TCC_OPTION_D,
+    TCC_OPTION_U,
+    TCC_OPTION_P,
+    TCC_OPTION_L,
+    TCC_OPTION_B,
+    TCC_OPTION_l,
+    TCC_OPTION_bench,
+    TCC_OPTION_bt,
+    TCC_OPTION_b,
+    TCC_OPTION_g,
+    TCC_OPTION_c,
+    TCC_OPTION_dumpversion,
+    TCC_OPTION_d,
+    TCC_OPTION_static,
+    TCC_OPTION_std,
+    TCC_OPTION_shared,
+    TCC_OPTION_soname,
+    TCC_OPTION_o,
+    TCC_OPTION_r,
+    TCC_OPTION_s,
+    TCC_OPTION_traditional,
+    TCC_OPTION_Wl,
+    TCC_OPTION_Wp,
+    TCC_OPTION_W,
+    TCC_OPTION_O,
+    TCC_OPTION_mfloat_abi,
+    TCC_OPTION_m,
+    TCC_OPTION_f,
+    TCC_OPTION_isystem,
+    TCC_OPTION_iwithprefix,
+    TCC_OPTION_include,
+    TCC_OPTION_nostdinc,
+    TCC_OPTION_nostdlib,
+    TCC_OPTION_print_search_dirs,
+    TCC_OPTION_rdynamic,
+    TCC_OPTION_param,
+    TCC_OPTION_pedantic,
+    TCC_OPTION_pthread,
+    TCC_OPTION_run,
+    TCC_OPTION_w,
+    TCC_OPTION_pipe,
+    TCC_OPTION_E,
+    TCC_OPTION_MD,
+    TCC_OPTION_MF,
+    TCC_OPTION_x,
+    TCC_OPTION_ar,
+    TCC_OPTION_impdef
+};
+
+#define TCC_OPTION_HAS_ARG 0x0001
+#define TCC_OPTION_NOSEP   0x0002 /* cannot have space before option and arg */
+
+static const TCCOption tcc_options[] = {
+    { "h", TCC_OPTION_HELP, 0 },
+    { "-help", TCC_OPTION_HELP, 0 },
+    { "?", TCC_OPTION_HELP, 0 },
+    { "hh", TCC_OPTION_HELP2, 0 },
+    { "v", TCC_OPTION_v, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP },
+    { "I", TCC_OPTION_I, TCC_OPTION_HAS_ARG },
+    { "D", TCC_OPTION_D, TCC_OPTION_HAS_ARG },
+    { "U", TCC_OPTION_U, TCC_OPTION_HAS_ARG },
+    { "P", TCC_OPTION_P, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP },
+    { "L", TCC_OPTION_L, TCC_OPTION_HAS_ARG },
+    { "B", TCC_OPTION_B, TCC_OPTION_HAS_ARG },
+    { "l", TCC_OPTION_l, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP },
+    { "bench", TCC_OPTION_bench, 0 },
+#ifdef CONFIG_TCC_BACKTRACE
+    { "bt", TCC_OPTION_bt, TCC_OPTION_HAS_ARG },
+#endif
+#ifdef CONFIG_TCC_BCHECK
+    { "b", TCC_OPTION_b, 0 },
+#endif
+    { "g", TCC_OPTION_g, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP },
+    { "c", TCC_OPTION_c, 0 },
+    { "dumpversion", TCC_OPTION_dumpversion, 0},
+    { "d", TCC_OPTION_d, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP },
+    { "static", TCC_OPTION_static, 0 },
+    { "std", TCC_OPTION_std, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP },
+    { "shared", TCC_OPTION_shared, 0 },
+    { "soname", TCC_OPTION_soname, TCC_OPTION_HAS_ARG },
+    { "o", TCC_OPTION_o, TCC_OPTION_HAS_ARG },
+    { "-param", TCC_OPTION_param, TCC_OPTION_HAS_ARG },
+    { "pedantic", TCC_OPTION_pedantic, 0},
+    { "pthread", TCC_OPTION_pthread, 0},
+    { "run", TCC_OPTION_run, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP },
+    { "rdynamic", TCC_OPTION_rdynamic, 0 },
+    { "r", TCC_OPTION_r, 0 },
+    { "s", TCC_OPTION_s, 0 },
+    { "traditional", TCC_OPTION_traditional, 0 },
+    { "Wl,", TCC_OPTION_Wl, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP },
+    { "Wp,", TCC_OPTION_Wp, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP },
+    { "W", TCC_OPTION_W, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP },
+    { "O", TCC_OPTION_O, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP },
+#ifdef TCC_TARGET_ARM
+    { "mfloat-abi", TCC_OPTION_mfloat_abi, TCC_OPTION_HAS_ARG },
+#endif
+    { "m", TCC_OPTION_m, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP },
+    { "f", TCC_OPTION_f, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP },
+    { "isystem", TCC_OPTION_isystem, TCC_OPTION_HAS_ARG },
+    { "include", TCC_OPTION_include, TCC_OPTION_HAS_ARG },
+    { "nostdinc", TCC_OPTION_nostdinc, 0 },
+    { "nostdlib", TCC_OPTION_nostdlib, 0 },
+    { "print-search-dirs", TCC_OPTION_print_search_dirs, 0 },
+    { "w", TCC_OPTION_w, 0 },
+    { "pipe", TCC_OPTION_pipe, 0},
+    { "E", TCC_OPTION_E, 0},
+    { "MD", TCC_OPTION_MD, 0},
+    { "MF", TCC_OPTION_MF, TCC_OPTION_HAS_ARG },
+    { "x", TCC_OPTION_x, TCC_OPTION_HAS_ARG },
+    { "ar", TCC_OPTION_ar, 0},
+#ifdef TCC_TARGET_PE
+    { "impdef", TCC_OPTION_impdef, 0},
+#endif
+    { NULL, 0, 0 },
+};
+
+static const FlagDef options_W[] = {
+    { 0, 0, "all" },
+    { offsetof(TCCState, warn_unsupported), 0, "unsupported" },
+    { offsetof(TCCState, warn_write_strings), 0, "write-strings" },
+    { offsetof(TCCState, warn_error), 0, "error" },
+    { offsetof(TCCState, warn_gcc_compat), 0, "gcc-compat" },
+    { offsetof(TCCState, warn_implicit_function_declaration), WD_ALL,
+      "implicit-function-declaration" },
+    { 0, 0, NULL }
+};
+
+static const FlagDef options_f[] = {
+    { offsetof(TCCState, char_is_unsigned), 0, "unsigned-char" },
+    { offsetof(TCCState, char_is_unsigned), FD_INVERT, "signed-char" },
+    { offsetof(TCCState, nocommon), FD_INVERT, "common" },
+    { offsetof(TCCState, leading_underscore), 0, "leading-underscore" },
+    { offsetof(TCCState, ms_extensions), 0, "ms-extensions" },
+    { offsetof(TCCState, dollars_in_identifiers), 0, "dollars-in-identifiers" },
+    { 0, 0, NULL }
+};
+
+static const FlagDef options_m[] = {
+    { offsetof(TCCState, ms_bitfields), 0, "ms-bitfields" },
+#ifdef TCC_TARGET_X86_64
+    { offsetof(TCCState, nosse), FD_INVERT, "sse" },
+#endif
+    { 0, 0, NULL }
+};
+
+static void parse_option_D(TCCState *s1, const char *optarg)
+{
+    char *sym = tcc_strdup(optarg);
+    char *value = strchr(sym, '=');
+    if (value)
+        *value++ = '\0';
+    tcc_define_symbol(s1, sym, value);
+    tcc_free(sym);
+}
+
+static void args_parser_add_file(TCCState *s, const char* filename, int filetype)
+{
+    struct filespec *f = tcc_malloc(sizeof *f + strlen(filename));
+    f->type = filetype;
+    f->alacarte = s->alacarte_link;
+    strcpy(f->name, filename);
+    dynarray_add(&s->files, &s->nb_files, f);
+}
+
+static int args_parser_make_argv(const char *r, int *argc, char ***argv)
+{
+    int ret = 0, q, c;
+    CString str;
+    for(;;) {
+        while (c = (unsigned char)*r, c && c <= ' ')
+	    ++r;
+        if (c == 0)
+            break;
+        q = 0;
+        cstr_new(&str);
+        while (c = (unsigned char)*r, c) {
+            ++r;
+            if (c == '\\' && (*r == '"' || *r == '\\')) {
+                c = *r++;
+            } else if (c == '"') {
+                q = !q;
+                continue;
+            } else if (q == 0 && c <= ' ') {
+                break;
+            }
+            cstr_ccat(&str, c);
+        }
+        cstr_ccat(&str, 0);
+        //printf("<%s>\n", str.data), fflush(stdout);
+        dynarray_add(argv, argc, tcc_strdup(str.data));
+        cstr_free(&str);
+        ++ret;
+    }
+    return ret;
+}
+
+/* read list file */
+static void args_parser_listfile(TCCState *s,
+    const char *filename, int optind, int *pargc, char ***pargv)
+{
+    int fd, i;
+    size_t len;
+    char *p;
+    int argc = 0;
+    char **argv = NULL;
+
+    fd = open(filename, O_RDONLY | O_BINARY);
+    if (fd < 0)
+        tcc_error("listfile '%s' not found", filename);
+
+    len = lseek(fd, 0, SEEK_END);
+    p = tcc_malloc(len + 1), p[len] = 0;
+    lseek(fd, 0, SEEK_SET), read(fd, p, len), close(fd);
+
+    for (i = 0; i < *pargc; ++i)
+        if (i == optind)
+            args_parser_make_argv(p, &argc, &argv);
+        else
+            dynarray_add(&argv, &argc, tcc_strdup((*pargv)[i]));
+
+    tcc_free(p);
+    dynarray_reset(&s->argv, &s->argc);
+    *pargc = s->argc = argc, *pargv = s->argv = argv;
+}
+
+PUB_FUNC int tcc_parse_args(TCCState *s, int *pargc, char ***pargv, int optind)
+{
+    const TCCOption *popt;
+    const char *optarg, *r;
+    const char *run = NULL;
+    int last_o = -1;
+    int x;
+    CString linker_arg; /* collect -Wl options */
+    int tool = 0, arg_start = 0, noaction = optind;
+    char **argv = *pargv;
+    int argc = *pargc;
+
+    cstr_new(&linker_arg);
+
+    while (optind < argc) {
+        r = argv[optind];
+        if (r[0] == '@' && r[1] != '\0') {
+            args_parser_listfile(s, r + 1, optind, &argc, &argv);
+	    continue;
+        }
+        optind++;
+        if (tool) {
+            if (r[0] == '-' && r[1] == 'v' && r[2] == 0)
+                ++s->verbose;
+            continue;
+        }
+reparse:
+        if (r[0] != '-' || r[1] == '\0') {
+            if (r[0] != '@') /* allow "tcc file(s) -run @ args ..." */
+                args_parser_add_file(s, r, s->filetype);
+            if (run) {
+                tcc_set_options(s, run);
+                arg_start = optind - 1;
+                break;
+            }
+            continue;
+        }
+
+        /* find option in table */
+        for(popt = tcc_options; ; ++popt) {
+            const char *p1 = popt->name;
+            const char *r1 = r + 1;
+            if (p1 == NULL)
+                tcc_error("invalid option -- '%s'", r);
+            if (!strstart(p1, &r1))
+                continue;
+            optarg = r1;
+            if (popt->flags & TCC_OPTION_HAS_ARG) {
+                if (*r1 == '\0' && !(popt->flags & TCC_OPTION_NOSEP)) {
+                    if (optind >= argc)
+                arg_err:
+                        tcc_error("argument to '%s' is missing", r);
+                    optarg = argv[optind++];
+                }
+            } else if (*r1 != '\0')
+                continue;
+            break;
+        }
+
+        switch(popt->index) {
+        case TCC_OPTION_HELP:
+            return OPT_HELP;
+        case TCC_OPTION_HELP2:
+            return OPT_HELP2;
+        case TCC_OPTION_I:
+            tcc_add_include_path(s, optarg);
+            break;
+        case TCC_OPTION_D:
+            parse_option_D(s, optarg);
+            break;
+        case TCC_OPTION_U:
+            tcc_undefine_symbol(s, optarg);
+            break;
+        case TCC_OPTION_L:
+            tcc_add_library_path(s, optarg);
+            break;
+        case TCC_OPTION_B:
+            /* set tcc utilities path (mainly for tcc development) */
+            tcc_set_lib_path(s, optarg);
+            break;
+        case TCC_OPTION_l:
+            args_parser_add_file(s, optarg, AFF_TYPE_LIB);
+            s->nb_libraries++;
+            break;
+        case TCC_OPTION_pthread:
+            parse_option_D(s, "_REENTRANT");
+            s->option_pthread = 1;
+            break;
+        case TCC_OPTION_bench:
+            s->do_bench = 1;
+            break;
+#ifdef CONFIG_TCC_BACKTRACE
+        case TCC_OPTION_bt:
+            tcc_set_num_callers(atoi(optarg));
+            break;
+#endif
+#ifdef CONFIG_TCC_BCHECK
+        case TCC_OPTION_b:
+            s->do_bounds_check = 1;
+            s->do_debug = 1;
+            break;
+#endif
+        case TCC_OPTION_g:
+            s->do_debug = 1;
+            break;
+        case TCC_OPTION_c:
+            x = TCC_OUTPUT_OBJ;
+        set_output_type:
+            if (s->output_type)
+                tcc_warning("-%s: overriding compiler action already specified", popt->name);
+            s->output_type = x;
+            break;
+        case TCC_OPTION_d:
+            if (*optarg == 'D')
+                s->dflag = 3;
+            else if (*optarg == 'M')
+                s->dflag = 7;
+            else if (*optarg == 't')
+                s->dflag = 16;
+            else if (isnum(*optarg))
+                g_debug = atoi(optarg);
+            else
+                goto unsupported_option;
+            break;
+        case TCC_OPTION_static:
+            s->static_link = 1;
+            break;
+        case TCC_OPTION_std:
+    	    /* silently ignore, a current purpose:
+    	       allow to use a tcc as a reference compiler for "make test" */
+            break;
+        case TCC_OPTION_shared:
+            x = TCC_OUTPUT_DLL;
+            goto set_output_type;
+        case TCC_OPTION_soname:
+            s->soname = tcc_strdup(optarg);
+            break;
+        case TCC_OPTION_o:
+            if (s->outfile) {
+                tcc_warning("multiple -o option");
+                tcc_free(s->outfile);
+            }
+            s->outfile = tcc_strdup(optarg);
+            break;
+        case TCC_OPTION_r:
+            /* generate a .o merging several output files */
+            s->option_r = 1;
+            x = TCC_OUTPUT_OBJ;
+            goto set_output_type;
+        case TCC_OPTION_isystem:
+            tcc_add_sysinclude_path(s, optarg);
+            break;
+	case TCC_OPTION_include:
+	    dynarray_add(&s->cmd_include_files,
+			 &s->nb_cmd_include_files, tcc_strdup(optarg));
+	    break;
+        case TCC_OPTION_nostdinc:
+            s->nostdinc = 1;
+            break;
+        case TCC_OPTION_nostdlib:
+            s->nostdlib = 1;
+            break;
+        case TCC_OPTION_run:
+#ifndef TCC_IS_NATIVE
+            tcc_error("-run is not available in a cross compiler");
+#endif
+            run = optarg;
+            x = TCC_OUTPUT_MEMORY;
+            goto set_output_type;
+        case TCC_OPTION_v:
+            do ++s->verbose; while (*optarg++ == 'v');
+            ++noaction;
+            break;
+        case TCC_OPTION_f:
+            if (set_flag(s, options_f, optarg) < 0)
+                goto unsupported_option;
+            break;
+#ifdef TCC_TARGET_ARM
+        case TCC_OPTION_mfloat_abi:
+            /* tcc doesn't support soft float yet */
+            if (!strcmp(optarg, "softfp")) {
+                s->float_abi = ARM_SOFTFP_FLOAT;
+                tcc_undefine_symbol(s, "__ARM_PCS_VFP");
+            } else if (!strcmp(optarg, "hard"))
+                s->float_abi = ARM_HARD_FLOAT;
+            else
+                tcc_error("unsupported float abi '%s'", optarg);
+            break;
+#endif
+        case TCC_OPTION_m:
+            if (set_flag(s, options_m, optarg) < 0) {
+                if (x = atoi(optarg), x != 32 && x != 64)
+                    goto unsupported_option;
+                if (PTR_SIZE != x/8)
+                    return x;
+                ++noaction;
+            }
+            break;
+        case TCC_OPTION_W:
+            if (set_flag(s, options_W, optarg) < 0)
+                goto unsupported_option;
+            break;
+        case TCC_OPTION_w:
+            s->warn_none = 1;
+            break;
+        case TCC_OPTION_rdynamic:
+            s->rdynamic = 1;
+            break;
+        case TCC_OPTION_Wl:
+            if (linker_arg.size)
+                --linker_arg.size, cstr_ccat(&linker_arg, ',');
+            cstr_cat(&linker_arg, optarg, 0);
+            if (tcc_set_linker(s, linker_arg.data))
+                cstr_free(&linker_arg);
+            break;
+	case TCC_OPTION_Wp:
+	    r = optarg;
+	    goto reparse;
+        case TCC_OPTION_E:
+            x = TCC_OUTPUT_PREPROCESS;
+            goto set_output_type;
+        case TCC_OPTION_P:
+            s->Pflag = atoi(optarg) + 1;
+            break;
+        case TCC_OPTION_MD:
+            s->gen_deps = 1;
+            break;
+        case TCC_OPTION_MF:
+            s->deps_outfile = tcc_strdup(optarg);
+            break;
+        case TCC_OPTION_dumpversion:
+            printf ("%s\n", TCC_VERSION);
+            exit(0);
+            break;
+        case TCC_OPTION_x:
+            if (*optarg == 'c')
+                s->filetype = AFF_TYPE_C;
+            else if (*optarg == 'a')
+                s->filetype = AFF_TYPE_ASMPP;
+            else if (*optarg == 'n')
+                s->filetype = AFF_TYPE_NONE;
+            else
+                tcc_warning("unsupported language '%s'", optarg);
+            break;
+        case TCC_OPTION_O:
+            last_o = atoi(optarg);
+            break;
+        case TCC_OPTION_print_search_dirs:
+            x = OPT_PRINT_DIRS;
+            goto extra_action;
+        case TCC_OPTION_impdef:
+            x = OPT_IMPDEF;
+            goto extra_action;
+        case TCC_OPTION_ar:
+            x = OPT_AR;
+        extra_action:
+            arg_start = optind - 1;
+            if (arg_start != noaction)
+                tcc_error("cannot parse %s here", r);
+            tool = x;
+            break;
+        case TCC_OPTION_traditional:
+        case TCC_OPTION_pedantic:
+        case TCC_OPTION_pipe:
+        case TCC_OPTION_s:
+            /* ignored */
+            break;
+        default:
+unsupported_option:
+            if (s->warn_unsupported)
+                tcc_warning("unsupported option '%s'", r);
+            break;
+        }
+    }
+    if (last_o > 0)
+        tcc_define_symbol(s, "__OPTIMIZE__", NULL);
+    if (linker_arg.size) {
+        r = linker_arg.data;
+        goto arg_err;
+    }
+    *pargc = argc - arg_start;
+    *pargv = argv + arg_start;
+    if (tool)
+        return tool;
+    if (optind != noaction)
+        return 0;
+    if (s->verbose == 2)
+        return OPT_PRINT_DIRS;
+    if (s->verbose)
+        return OPT_V;
+    return OPT_HELP;
+}
+
+LIBTCCAPI void tcc_set_options(TCCState *s, const char *r)
+{
+    char **argv = NULL;
+    int argc = 0;
+    args_parser_make_argv(r, &argc, &argv);
+    tcc_parse_args(s, &argc, &argv, 0);
+    dynarray_reset(&argv, &argc);
+}
+
+PUB_FUNC void tcc_print_stats(TCCState *s, unsigned total_time)
+{
+    if (total_time < 1)
+        total_time = 1;
+    if (total_bytes < 1)
+        total_bytes = 1;
+    fprintf(stderr, "* %d idents, %d lines, %d bytes\n"
+                    "* %0.3f s, %u lines/s, %0.1f MB/s\n",
+           tok_ident - TOK_IDENT, total_lines, total_bytes,
+           (double)total_time/1000,
+           (unsigned)total_lines*1000/total_time,
+           (double)total_bytes/1000/total_time);
+#ifdef MEM_DEBUG
+    fprintf(stderr, "* %d bytes memory used\n", mem_max_size);
+#endif
+}