A lot has certainly happened!

1 files changed, 0 insertions, 2248 deletions

diff --git a/tinycc/libtcc.c b/tinycc/libtcc.c
deleted file mode 100644
index 0f6ebe5..0000000
--- a/tinycc/libtcc.c
+++ /dev/null
@@ -1,2248 +0,0 @@
-/*
- *  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
- */
-
-#if !defined ONE_SOURCE || ONE_SOURCE
-#include "tccpp.c"
-#include "tccgen.c"
-#include "tccdbg.c"
-#include "tccasm.c"
-#include "tccelf.c"
-#include "tccrun.c"
-#ifdef TCC_TARGET_I386
-#include "i386-gen.c"
-#include "i386-link.c"
-#include "i386-asm.c"
-#elif defined(TCC_TARGET_ARM)
-#include "arm-gen.c"
-#include "arm-link.c"
-#include "arm-asm.c"
-#elif defined(TCC_TARGET_ARM64)
-#include "arm64-gen.c"
-#include "arm64-link.c"
-#include "arm-asm.c"
-#elif defined(TCC_TARGET_C67)
-#include "c67-gen.c"
-#include "c67-link.c"
-#include "tcccoff.c"
-#elif defined(TCC_TARGET_X86_64)
-#include "x86_64-gen.c"
-#include "x86_64-link.c"
-#include "i386-asm.c"
-#elif defined(TCC_TARGET_RISCV64)
-#include "riscv64-gen.c"
-#include "riscv64-link.c"
-#include "riscv64-asm.c"
-#else
-#error unknown target
-#endif
-#ifdef TCC_TARGET_PE
-#include "tccpe.c"
-#endif
-#ifdef TCC_TARGET_MACHO
-#include "tccmacho.c"
-#endif
-#endif /* ONE_SOURCE */
-
-#include "tcc.h"
-
-/********************************************************/
-/* global variables */
-
-/* XXX: get rid of this ASAP (or maybe not) */
-ST_DATA struct TCCState *tcc_state;
-TCC_SEM(static tcc_compile_sem);
-/* an array of pointers to memory to be free'd after errors */
-ST_DATA void** stk_data;
-ST_DATA int nb_stk_data;
-
-/********************************************************/
-#ifdef _WIN32
-ST_FUNC char *normalize_slashes(char *path)
-{
-    char *p;
-    for (p = path; *p; ++p)
-        if (*p == '\\')
-            *p = '/';
-    return path;
-}
-
-#if defined LIBTCC_AS_DLL && !defined CONFIG_TCCDIR
-static HMODULE tcc_module;
-BOOL WINAPI DllMain (HINSTANCE hDll, DWORD dwReason, LPVOID lpReserved)
-{
-    if (DLL_PROCESS_ATTACH == dwReason)
-        tcc_module = hDll;
-    return TRUE;
-}
-#else
-#define tcc_module NULL /* NULL means executable itself */
-#endif
-
-#ifndef CONFIG_TCCDIR
-/* on win32, we suppose the lib and includes are at the location of 'tcc.exe' */
-static inline char *config_tccdir_w32(char *path)
-{
-    char temp[1024];
-    char try[1024];
-    char *p;
-    int c;
-    GetModuleFileName(tcc_module, path, MAX_PATH);
-    p = tcc_basename(normalize_slashes(strlwr(path)));
-    if (p > path)
-        --p;
-
-    *p = 0;
-
-    /*
-     * See if we are perhaps in a "bin/" subfolder of the
-     * installation path, in which case the real root of
-     * the installation is one level up. We can test this
-     * by looking for the 'include' folder.
-     */
-    strncpy(temp, path, sizeof(temp)-1);
-    strcat(temp, "/include");
-
-    if (_access(temp, 0) != 0) {
-        /* No 'include' folder found, so go up one level. */
-        strncpy(temp, path, sizeof(temp)-1);
-
-        /* Try this for several "levels" up. */
-        for (c = 0; c < 4; c++) {
-                p = tcc_basename(temp);
-                if (p > temp) {
-                    --p;
-                    *p = '\0';
-                }
-
-                strncpy(try, temp, sizeof(try)-1);
-                strcat(try, "/include");
-
-                if (_access(try, 0) == 0) {
-                        if (p != NULL)
-                                p = '\0';
-                        strcpy(path, temp);
-                        break;
-                }
-        }
-    }
-
-    return path;
-}
-#define CONFIG_TCCDIR config_tccdir_w32(alloca(MAX_PATH))
-#endif
-
-#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
-#endif
-
-/********************************************************/
-#if CONFIG_TCC_SEMLOCK
-#if defined _WIN32
-ST_FUNC void wait_sem(TCCSem *p)
-{
-    if (!p->init)
-        InitializeCriticalSection(&p->cr), p->init = 1;
-    EnterCriticalSection(&p->cr);
-}
-ST_FUNC void post_sem(TCCSem *p)
-{
-    LeaveCriticalSection(&p->cr);
-}
-#elif defined __APPLE__
-/* Half-compatible MacOS doesn't have non-shared (process local)
-   semaphores.  Use the dispatch framework for lightweight locks.  */
-ST_FUNC void wait_sem(TCCSem *p)
-{
-    if (!p->init)
-        p->sem = dispatch_semaphore_create(1), p->init = 1;
-    dispatch_semaphore_wait(p->sem, DISPATCH_TIME_FOREVER);
-}
-ST_FUNC void post_sem(TCCSem *p)
-{
-    dispatch_semaphore_signal(p->sem);
-}
-#else
-ST_FUNC void wait_sem(TCCSem *p)
-{
-    if (!p->init)
-        sem_init(&p->sem, 0, 1), p->init = 1;
-    while (sem_wait(&p->sem) < 0 && errno == EINTR);
-}
-ST_FUNC void post_sem(TCCSem *p)
-{
-    sem_post(&p->sem);
-}
-#endif
-#endif
-
-PUB_FUNC void tcc_enter_state(TCCState *s1)
-{
-    if (s1->error_set_jmp_enabled)
-        return;
-    WAIT_SEM(&tcc_compile_sem);
-    tcc_state = s1;
-}
-
-PUB_FUNC void tcc_exit_state(TCCState *s1)
-{
-    if (s1->error_set_jmp_enabled)
-        return;
-    tcc_state = NULL;
-    POST_SEM(&tcc_compile_sem);
-}
-
-/********************************************************/
-/* copy a string and truncate it. */
-ST_FUNC char *pstrcpy(char *buf, size_t 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, size_t buf_size, const char *s)
-{
-    size_t 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);
-}
-
-ST_FUNC char *tcc_load_text(int fd)
-{
-    int len = lseek(fd, 0, SEEK_END);
-    char *buf = load_data(fd, 0, len + 1);
-    buf[len] = 0;
-    return buf;
-}
-
-/********************************************************/
-/* memory management */
-
-#undef free
-#undef malloc
-#undef realloc
-
-void mem_error(const char *msg)
-{
-    fprintf(stderr, "%s\n", msg);
-    exit (1);
-}
-
-#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)
-        mem_error("memory full (malloc)");
-    return ptr;
-}
-
-PUB_FUNC void *tcc_mallocz(unsigned long size)
-{
-    void *ptr;
-    ptr = tcc_malloc(size);
-    if (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)
-        mem_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;
-}
-
-#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 char magic3[4];
-};
-
-typedef struct mem_debug_header mem_debug_header_t;
-
-TCC_SEM(static mem_sem);
-static mem_debug_header_t *mem_debug_chain;
-static unsigned mem_cur_size;
-static unsigned mem_max_size;
-static int nb_states;
-
-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 ||
-        read32le(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)
-        mem_error("memory full (malloc)");
-
-    header->magic1 = MEM_DEBUG_MAGIC1;
-    header->magic2 = MEM_DEBUG_MAGIC2;
-    header->size = size;
-    write32le(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;
-
-    WAIT_SEM(&mem_sem);
-    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;
-    POST_SEM(&mem_sem);
-
-    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");
-
-    WAIT_SEM(&mem_sem);
-    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;
-    POST_SEM(&mem_sem);
-    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");
-
-    WAIT_SEM(&mem_sem);
-    mem_cur_size -= header->size;
-    mem_debug_chain_update = (header == mem_debug_chain);
-    header = realloc(header, sizeof(mem_debug_header_t) + size);
-    if (!header)
-        mem_error("memory full (realloc)");
-    header->size = size;
-    write32le(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;
-    POST_SEM(&mem_sem);
-
-    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(int d)
-{
-    WAIT_SEM(&mem_sem);
-    nb_states += d;
-    if (0 == nb_states && mem_cur_size) {
-        mem_debug_header_t *header = mem_debug_chain;
-        fflush(stdout);
-        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;
-        }
-        fflush(stderr);
-        mem_cur_size = 0;
-        mem_debug_chain = NULL;
-#if MEM_DEBUG-0 == 2
-        exit(2);
-#endif
-    }
-    POST_SEM(&mem_sem);
-}
-#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);
-                if (c == 'R')
-                    cstr_cat(&str, CONFIG_SYSROOT, -1);
-                if (c == 'f' && file) {
-                    /* substitute current file's dir */
-                    const char *f = file->true_filename;
-                    const char *b = tcc_basename(f);
-                    if (b > f)
-                        cstr_cat(&str, f, b - f - 1);
-                    else
-                        cstr_cat(&str, ".", 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);
-}
-
-/********************************************************/
-/* warning / error */
-
-/* warn_... option bits */
-#define WARN_ON  1 /* warning is on (-Woption) */
-#define WARN_ERR 2 /* warning is an error (-Werror=option) */
-#define WARN_NOE 4 /* warning is not an error (-Wno-error=option) */
-
-/* error1() modes */
-enum { ERROR_WARN, ERROR_NOABORT, ERROR_ERROR };
-
-static void error1(int mode, const char *fmt, va_list ap)
-{
-    BufferedFile **pf, *f;
-    TCCState *s1 = tcc_state;
-    CString cs;
-
-    tcc_exit_state(s1);
-
-    if (mode == ERROR_WARN) {
-        if (s1->warn_error)
-            mode = ERROR_ERROR;
-        if (s1->warn_num) {
-            /* handle tcc_warning_c(warn_option)(fmt, ...) */
-            int wopt = *(&s1->warn_none + s1->warn_num);
-            s1->warn_num = 0;
-            if (0 == (wopt & WARN_ON))
-                return;
-            if (wopt & WARN_ERR)
-                mode = ERROR_ERROR;
-            if (wopt & WARN_NOE)
-                mode = ERROR_WARN;
-        }
-        if (s1->warn_none)
-            return;
-    }
-
-    cstr_new(&cs);
-    f = NULL;
-    if (s1->error_set_jmp_enabled) { /* we're called while parsing a file */
-        /* 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++)
-            cstr_printf(&cs, "In file included from %s:%d:\n",
-                (*pf)->filename, (*pf)->line_num - 1);
-        cstr_printf(&cs, "%s:%d: ",
-            f->filename, f->line_num - !!(tok_flags & TOK_FLAG_BOL));
-    } else if (s1->current_filename) {
-        cstr_printf(&cs, "%s: ", s1->current_filename);
-    }
-    if (0 == cs.size)
-        cstr_printf(&cs, "tcc: ");
-    cstr_printf(&cs, mode == ERROR_WARN ? "warning: " : "error: ");
-    cstr_vprintf(&cs, fmt, ap);
-    if (!s1 || !s1->error_func) {
-        /* default case: stderr */
-        if (s1 && s1->output_type == TCC_OUTPUT_PREPROCESS && s1->ppfp == stdout)
-            printf("\n"); /* print a newline during tcc -E */
-        fflush(stdout); /* flush -v output */
-        fprintf(stderr, "%s\n", (char*)cs.data);
-        fflush(stderr); /* print error/warning now (win32) */
-    } else {
-        s1->error_func(s1->error_opaque, (char*)cs.data);
-    }
-    cstr_free(&cs);
-    if (mode != ERROR_WARN)
-        s1->nb_errors++;
-    if (mode == ERROR_ERROR && s1->error_set_jmp_enabled) {
-        while (nb_stk_data)
-            tcc_free(*(void**)stk_data[--nb_stk_data]);
-        longjmp(s1->error_jmp_buf, 1);
-    }
-}
-
-LIBTCCAPI void tcc_set_error_func(TCCState *s, void *error_opaque, TCCErrorFunc error_func)
-{
-    s->error_opaque = error_opaque;
-    s->error_func = error_func;
-}
-
-LIBTCCAPI TCCErrorFunc tcc_get_error_func(TCCState *s)
-{
-    return s->error_func;
-}
-
-LIBTCCAPI void *tcc_get_error_opaque(TCCState *s)
-{
-    return s->error_opaque;
-}
-
-/* error without aborting current compilation */
-PUB_FUNC int _tcc_error_noabort(const char *fmt, ...)
-{
-    va_list ap;
-    va_start(ap, fmt);
-    error1(ERROR_NOABORT, fmt, ap);
-    va_end(ap);
-    return -1;
-}
-
-#undef _tcc_error
-PUB_FUNC void _tcc_error(const char *fmt, ...)
-{
-    va_list ap;
-    va_start(ap, fmt);
-    error1(ERROR_ERROR, fmt, ap);
-    exit(1);
-}
-#define _tcc_error use_tcc_error_noabort
-
-PUB_FUNC void _tcc_warning(const char *fmt, ...)
-{
-    va_list ap;
-    va_start(ap, fmt);
-    error1(ERROR_WARN, 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);
-#ifdef _WIN32
-    normalize_slashes(bf->filename);
-#endif
-    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)
-{
-    TCCState *s1 = tcc_state;
-    BufferedFile *bf = file;
-    if (bf->fd > 0) {
-        close(bf->fd);
-        total_lines += bf->line_num - 1;
-    }
-    if (bf->true_filename != bf->filename)
-        tcc_free(bf->true_filename);
-    file = bf->prev;
-    tcc_free(bf);
-}
-
-static 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);
-    return fd;
-}
-
-ST_FUNC int tcc_open(TCCState *s1, const char *filename)
-{
-    int fd = _tcc_open(s1, filename);
-    if (fd < 0)
-        return -1;
-    tcc_open_bf(s1, filename, 0);
-    file->fd = fd;
-    return 0;
-}
-
-/* compile the file opened in 'file'. Return non zero if errors. */
-static int tcc_compile(TCCState *s1, int filetype, const char *str, int fd)
-{
-    /* Here we enter the code section where we use the global variables for
-       parsing and code generation (tccpp.c, tccgen.c, <target>-gen.c).
-       Other threads need to wait until we're done.
-
-       Alternatively we could use thread local storage for those global
-       variables, which may or may not have advantages */
-
-    tcc_enter_state(s1);
-    s1->error_set_jmp_enabled = 1;
-
-    if (setjmp(s1->error_jmp_buf) == 0) {
-        s1->nb_errors = 0;
-
-        if (fd == -1) {
-            int len = strlen(str);
-            tcc_open_bf(s1, "<string>", len);
-            memcpy(file->buffer, str, len);
-        } else {
-            tcc_open_bf(s1, str, 0);
-            file->fd = fd;
-        }
-
-        preprocess_start(s1, filetype);
-        tccgen_init(s1);
-
-        if (s1->output_type == TCC_OUTPUT_PREPROCESS) {
-            tcc_preprocess(s1);
-        } else {
-            tccelf_begin_file(s1);
-            if (filetype & (AFF_TYPE_ASM | AFF_TYPE_ASMPP)) {
-                tcc_assemble(s1, !!(filetype & AFF_TYPE_ASMPP));
-            } else {
-                tccgen_compile(s1);
-            }
-            tccelf_end_file(s1);
-        }
-    }
-    tccgen_finish(s1);
-    preprocess_end(s1);
-    s1->error_set_jmp_enabled = 0;
-    tcc_exit_state(s1);
-    return s1->nb_errors != 0 ? -1 : 0;
-}
-
-LIBTCCAPI int tcc_compile_string(TCCState *s, const char *str)
-{
-    return tcc_compile(s, s->filetype, str, -1);
-}
-
-/* define a preprocessor symbol. value can be NULL, sym can be "sym=val" */
-LIBTCCAPI void tcc_define_symbol(TCCState *s1, const char *sym, const char *value)
-{
-    const char *eq;
-    if (NULL == (eq = strchr(sym, '=')))
-        eq = strchr(sym, 0);
-    if (NULL == value)
-        value = *eq ? eq + 1 : "1";
-    cstr_printf(&s1->cmdline_defs, "#define %.*s %s\n", (int)(eq-sym), sym, value);
-}
-
-/* undefine a preprocessor symbol */
-LIBTCCAPI void tcc_undefine_symbol(TCCState *s1, const char *sym)
-{
-    cstr_printf(&s1->cmdline_defs, "#undef %s\n", sym);
-}
-
-
-LIBTCCAPI TCCState *tcc_new(void)
-{
-    TCCState *s;
-
-    s = tcc_mallocz(sizeof(TCCState));
-    if (!s)
-        return NULL;
-#ifdef MEM_DEBUG
-    tcc_memcheck(1);
-#endif
-
-#undef gnu_ext
-
-    s->gnu_ext = 1;
-    s->tcc_ext = 1;
-    s->nocommon = 1;
-    s->dollars_in_identifiers = 1; /*on by default like in gcc/clang*/
-    s->cversion = 199901; /* default unless -std=c11 is supplied */
-    s->warn_implicit_function_declaration = 1;
-    s->warn_discarded_qualifiers = 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 defined TCC_TARGET_MACHO /* || defined TCC_TARGET_PE */
-    s->leading_underscore = 1;
-#endif
-#ifdef TCC_TARGET_ARM
-    s->float_abi = ARM_FLOAT_ABI;
-#endif
-#ifdef CONFIG_NEW_DTAGS
-    s->enable_new_dtags = 1;
-#endif
-    s->ppfp = stdout;
-    /* might be used in error() before preprocess_start() */
-    s->include_stack_ptr = s->include_stack;
-
-    tcc_set_lib_path(s, CONFIG_TCCDIR);
-    return s;
-}
-
-LIBTCCAPI void tcc_delete(TCCState *s1)
-{
-    /* 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->include_paths, &s1->nb_include_paths);
-    dynarray_reset(&s1->sysinclude_paths, &s1->nb_sysinclude_paths);
-
-    tcc_free(s1->tcc_lib_path);
-    tcc_free(s1->soname);
-    tcc_free(s1->rpath);
-    tcc_free(s1->elf_entryname);
-    tcc_free(s1->init_symbol);
-    tcc_free(s1->fini_symbol);
-    tcc_free(s1->mapfile);
-    tcc_free(s1->outfile);
-    tcc_free(s1->deps_outfile);
-#if defined TCC_TARGET_MACHO
-    tcc_free(s1->install_name);
-#endif
-    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);
-    cstr_free(&s1->cmdline_defs);
-    cstr_free(&s1->cmdline_incl);
-    cstr_free(&s1->linker_arg);
-#ifdef TCC_IS_NATIVE
-    /* free runtime memory */
-    tcc_run_free(s1);
-#endif
-    tcc_free(s1->dState);
-    tcc_free(s1);
-#ifdef MEM_DEBUG
-    tcc_memcheck(-1);
-#endif
-}
-
-LIBTCCAPI int tcc_set_output_type(TCCState *s, int output_type)
-{
-#ifdef CONFIG_TCC_PIE
-    if (output_type == TCC_OUTPUT_EXE)
-        output_type |= TCC_OUTPUT_DYN;
-#endif
-    s->output_type = output_type;
-
-    if (!s->nostdinc) {
-        /* default include paths */
-        /* -isystem paths have already been handled */
-        tcc_add_sysinclude_path(s, CONFIG_TCC_SYSINCLUDEPATHS);
-    }
-
-    if (output_type == TCC_OUTPUT_PREPROCESS) {
-        s->do_debug = 0;
-        return 0;
-    }
-
-    tccelf_new(s);
-    if (s->do_debug) {
-        /* add debug sections */
-        tcc_debug_new(s);
-    }
-#ifdef CONFIG_TCC_BCHECK
-    if (s->do_bounds_check) {
-        /* if bound checking, then add corresponding sections */
-        tccelf_bounds_new(s);
-    }
-#endif
-
-    if (output_type == TCC_OUTPUT_OBJ) {
-        /* always elf for objects */
-        s->output_format = TCC_OUTPUT_FORMAT_ELF;
-        return 0;
-    }
-
-    tcc_add_library_path(s, CONFIG_TCC_LIBPATHS);
-
-#ifdef TCC_TARGET_PE
-# ifdef _WIN32
-    /* allow linking with system dll's directly */
-    tcc_add_systemdir(s);
-# endif
-    /* target PE has its own startup code in libtcc1.a */
-    return 0;
-
-#elif defined TCC_TARGET_MACHO
-# ifdef TCC_IS_NATIVE
-    tcc_add_macos_sdkpath(s);
-# endif
-    /* Mach-O with LC_MAIN doesn't need any crt startup code.  */
-    return 0;
-
-#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_MEMORY && !s->nostdlib) {
-#if TARGETOS_OpenBSD
-        if (output_type != TCC_OUTPUT_DLL)
-	    tcc_add_crt(s, "crt0.o");
-        if (output_type == TCC_OUTPUT_DLL)
-            tcc_add_crt(s, "crtbeginS.o");
-        else
-            tcc_add_crt(s, "crtbegin.o");
-#elif TARGETOS_FreeBSD
-        if (output_type != TCC_OUTPUT_DLL)
-            tcc_add_crt(s, "crt1.o");
-        tcc_add_crt(s, "crti.o");
-        if (s->static_link)
-            tcc_add_crt(s, "crtbeginT.o");
-        else if (output_type & TCC_OUTPUT_DYN)
-            tcc_add_crt(s, "crtbeginS.o");
-        else
-            tcc_add_crt(s, "crtbegin.o");
-#elif TARGETOS_NetBSD
-        if (output_type != TCC_OUTPUT_DLL)
-            tcc_add_crt(s, "crt0.o");
-        tcc_add_crt(s, "crti.o");
-        if (s->static_link)
-            tcc_add_crt(s, "crtbeginT.o");
-        else if (output_type & TCC_OUTPUT_DYN)
-            tcc_add_crt(s, "crtbeginS.o");
-        else
-            tcc_add_crt(s, "crtbegin.o");
-#elif defined TARGETOS_ANDROID
-        if (output_type != TCC_OUTPUT_DLL)
-            tcc_add_crt(s, "crtbegin_dynamic.o");
-        else
-            tcc_add_crt(s, "crtbegin_so.o");
-#else
-        if (output_type != TCC_OUTPUT_DLL)
-            tcc_add_crt(s, "crt1.o");
-        tcc_add_crt(s, "crti.o");
-#endif
-    }
-    return 0;
-#endif
-}
-
-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;
-}
-
-/* add/update a 'DLLReference', Just find if level == -1  */
-ST_FUNC DLLReference *tcc_add_dllref(TCCState *s1, const char *dllname, int level)
-{
-    DLLReference *ref = NULL;
-    int i;
-    for (i = 0; i < s1->nb_loaded_dlls; i++)
-        if (0 == strcmp(s1->loaded_dlls[i]->name, dllname)) {
-            ref = s1->loaded_dlls[i];
-            break;
-        }
-    if (level == -1)
-        return ref;
-    if (ref) {
-        if (level < ref->level)
-            ref->level = level;
-        ref->found = 1;
-        return ref;
-    }
-    ref = tcc_mallocz(sizeof(DLLReference) + strlen(dllname));
-    strcpy(ref->name, dllname);
-    dynarray_add(&s1->loaded_dlls, &s1->nb_loaded_dlls, ref);
-    ref->level = level;
-    ref->index = s1->nb_loaded_dlls;
-    return ref;
-}
-
-/* OpenBSD: choose latest from libxxx.so.x.y versions */
-#if defined TARGETOS_OpenBSD && !defined _WIN32
-#include <glob.h>
-static int tcc_glob_so(TCCState *s1, const char *pattern, char *buf, int size)
-{
-    const char *star;
-    glob_t g;
-    char *p;
-    int i, v, v1, v2, v3;
-
-    star = strchr(pattern, '*');
-    if (!star || glob(pattern, 0, NULL, &g))
-        return -1;
-    for (v = -1, i = 0; i < g.gl_pathc; ++i) {
-        p = g.gl_pathv[i];
-        if (2 != sscanf(p + (star - pattern), "%d.%d.%d", &v1, &v2, &v3))
-            continue;
-        if ((v1 = v1 * 1000 + v2) > v)
-            v = v1, pstrcpy(buf, size, p);
-    }
-    globfree(&g);
-    return v;
-}
-#endif
-
-ST_FUNC int tcc_add_file_internal(TCCState *s1, const char *filename, int flags)
-{
-    int fd, ret = -1;
-
-#if defined TARGETOS_OpenBSD && !defined _WIN32
-    char buf[1024];
-    if (tcc_glob_so(s1, filename, buf, sizeof buf) >= 0)
-        filename = buf;
-#endif
-
-    /* ignore binary files with -E */
-    if (s1->output_type == TCC_OUTPUT_PREPROCESS
-        && (flags & AFF_TYPE_BIN))
-        return 0;
-
-    /* open the file */
-    fd = _tcc_open(s1, filename);
-    if (fd < 0) {
-        if (flags & AFF_PRINT_ERROR)
-            tcc_error_noabort("file '%s' not found", filename);
-        return ret;
-    }
-
-    s1->current_filename = filename;
-    if (flags & AFF_TYPE_BIN) {
-        ElfW(Ehdr) ehdr;
-        int obj_type;
-
-        obj_type = tcc_object_type(fd, &ehdr);
-        lseek(fd, 0, SEEK_SET);
-
-        switch (obj_type) {
-
-        case AFF_BINTYPE_REL:
-            ret = tcc_load_object_file(s1, fd, 0);
-            break;
-
-        case AFF_BINTYPE_AR:
-            ret = tcc_load_archive(s1, fd, !(flags & AFF_WHOLE_ARCHIVE));
-            break;
-
-#ifdef TCC_TARGET_PE
-        default:
-            ret = pe_load_file(s1, fd, filename);
-            goto check_success;
-
-#elif defined TCC_TARGET_MACHO
-        case AFF_BINTYPE_DYN:
-        case_dyn_or_tbd:
-            if (s1->output_type == TCC_OUTPUT_MEMORY) {
-#ifdef TCC_IS_NATIVE
-                void* dl;
-                const char* soname = filename;
-                if (obj_type != AFF_BINTYPE_DYN)
-                    soname = macho_tbd_soname(filename);
-                dl = dlopen(soname, RTLD_GLOBAL | RTLD_LAZY);
-                if (dl)
-                    tcc_add_dllref(s1, soname, 0)->handle = dl, ret = 0;
-	        if (filename != soname)
-		    tcc_free((void *)soname);
-#endif
-            } else if (obj_type == AFF_BINTYPE_DYN) {
-                ret = macho_load_dll(s1, fd, filename, (flags & AFF_REFERENCED_DLL) != 0);
-            } else {
-                ret = macho_load_tbd(s1, fd, filename, (flags & AFF_REFERENCED_DLL) != 0);
-            }
-            break;
-        default:
-        {
-            const char *ext = tcc_fileextension(filename);
-            if (!strcmp(ext, ".tbd"))
-                goto case_dyn_or_tbd;
-            if (!strcmp(ext, ".dylib")) {
-                obj_type = AFF_BINTYPE_DYN;
-                goto case_dyn_or_tbd;
-            }
-            goto check_success;
-        }
-
-#else /* unix */
-        case AFF_BINTYPE_DYN:
-            if (s1->output_type == TCC_OUTPUT_MEMORY) {
-#ifdef TCC_IS_NATIVE
-                void* dl = dlopen(filename, RTLD_GLOBAL | RTLD_LAZY);
-                if (dl)
-                    tcc_add_dllref(s1, filename, 0)->handle = dl, ret = 0;
-#endif
-            } else
-                ret = tcc_load_dll(s1, fd, filename, (flags & AFF_REFERENCED_DLL) != 0);
-            break;
-
-        default:
-            /* as GNU ld, consider it is an ld script if not recognized */
-            ret = tcc_load_ldscript(s1, fd);
-            goto check_success;
-
-#endif /* pe / macos / unix */
-
-check_success:
-            if (ret < 0)
-                tcc_error_noabort("%s: unrecognized file type", filename);
-            break;
-
-#ifdef TCC_TARGET_COFF
-        case AFF_BINTYPE_C67:
-            ret = tcc_load_coff(s1, fd);
-            break;
-#endif
-        }
-        close(fd);
-    } else {
-        /* update target deps */
-        dynarray_add(&s1->target_deps, &s1->nb_target_deps, tcc_strdup(filename));
-        ret = tcc_compile(s1, flags, filename, fd);
-    }
-    s1->current_filename = NULL;
-    return ret;
-}
-
-LIBTCCAPI int tcc_add_file(TCCState *s, const char *filename)
-{
-    int filetype = s->filetype;
-    if (0 == (filetype & AFF_TYPE_MASK)) {
-        /* 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, "h")
-                     || !PATHCMP(ext, "i"))
-                filetype = AFF_TYPE_C;
-            else
-                filetype |= AFF_TYPE_BIN;
-        } else {
-            filetype = AFF_TYPE_C;
-        }
-    }
-    return tcc_add_file_internal(s, filename, filetype | AFF_PRINT_ERROR);
-}
-
-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 */
-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);
-}
-
-/* find [cross-]libtcc1.a and tcc helper objects in library path */
-ST_FUNC void tcc_add_support(TCCState *s1, const char *filename)
-{
-    char buf[100];
-    if (CONFIG_TCC_CROSSPREFIX[0])
-        filename = strcat(strcpy(buf, CONFIG_TCC_CROSSPREFIX), filename);
-    if (tcc_add_dll(s1, filename, 0) < 0)
-        tcc_error_noabort("%s not found", filename);
-}
-
-#if !defined TCC_TARGET_PE && !defined TCC_TARGET_MACHO
-ST_FUNC int tcc_add_crt(TCCState *s1, const char *filename)
-{
-    if (-1 == tcc_add_library_internal(s1, "%s/%s",
-        filename, 0, s1->crt_paths, s1->nb_crt_paths))
-        return tcc_error_noabort("file '%s' not found", filename);
-    return 0;
-}
-#endif
-
-/* 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
-    static const char * const libs[] = { "%s/%s.def", "%s/lib%s.def", "%s/%s.dll", "%s/lib%s.dll", "%s/lib%s.a", NULL };
-    const char * const *pp = s->static_link ? libs + 4 : libs;
-#elif defined TCC_TARGET_MACHO
-    static const char * const libs[] = { "%s/lib%s.dylib", "%s/lib%s.tbd", "%s/lib%s.a", NULL };
-    const char * const *pp = s->static_link ? libs + 2 : libs;
-#elif defined TARGETOS_OpenBSD
-    static const char * const libs[] = { "%s/lib%s.so.*", "%s/lib%s.a", NULL };
-    const char * const *pp = s->static_link ? libs + 1 : libs;
-#else
-    static const char * const libs[] = { "%s/lib%s.so", "%s/lib%s.a", NULL };
-    const char * const *pp = s->static_link ? libs + 1 : libs;
-#endif
-    int flags = s->filetype & AFF_WHOLE_ARCHIVE;
-    while (*pp) {
-        if (0 == tcc_add_library_internal(s, *pp,
-            libraryname, flags, s->library_paths, s->nb_library_paths))
-            return 0;
-        ++pp;
-    }
-    return -1;
-}
-
-PUB_FUNC int tcc_add_library_err(TCCState *s1, const char *libname)
-{
-    int ret = tcc_add_library(s1, 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 *s1, 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(s1, 0, name, (uintptr_t)val);
-#else
-    char buf[256];
-    if (s1->leading_underscore) {
-        buf[0] = '_';
-        pstrcpy(buf + 1, sizeof(buf) - 1, name);
-        name = buf;
-    }
-    set_global_sym(s1, name, NULL, (addr_t)(uintptr_t)val); /* NULL: SHN_ABS */
-#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);
-}
-
-/********************************************************/
-/* options parser */
-
-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 (strstart("no-", &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);
-}
-
-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;
-    strcpy(f->name, filename);
-    dynarray_add(&s->files, &s->nb_files, f);
-}
-
-/* set linker options */
-static int tcc_set_linker(TCCState *s, const char *option)
-{
-    TCCState *s1 = s;
-    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, "e=", &p)
-               ||  link_option(option, "entry=", &p)) {
-            copy_linker_arg(&s->elf_entryname, p, 0);
-        } 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, "Map=", &p)) {
-            copy_linker_arg(&s->mapfile, 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, "export-dynamic", &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);
-        } else if (link_option(option, "install_name=", &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
-#ifdef TCC_TARGET_MACHO
-        } else if (link_option(option, "all_load", &p)) {
-	    s->filetype |= AFF_WHOLE_ARCHIVE;
-        } else if (link_option(option, "force_load", &p)) {
-	    s->filetype |= AFF_WHOLE_ARCHIVE;
-            args_parser_add_file(s, p, AFF_TYPE_LIB | (s->filetype & ~AFF_TYPE_MASK));
-            s->nb_libraries++;
-        } else if (link_option(option, "single_module", &p)) {
-            ignoring = 1;
-#endif
-        } else if (ret = link_option(option, "?whole-archive", &p), ret) {
-            if (ret > 0)
-                s->filetype |= AFF_WHOLE_ARCHIVE;
-            else
-                s->filetype &= ~AFF_WHOLE_ARCHIVE;
-        } else if (link_option(option, "z=", &p)) {
-            ignoring = 1;
-        } else if (p) {
-            return 0;
-        } else {
-    err:
-            return tcc_error_noabort("unsupported linker option '%s'", option);
-        }
-        if (ignoring)
-            tcc_warning_c(warn_unsupported)("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_ignored = 0,
-    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_ba,
-    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_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_pthread,
-    TCC_OPTION_run,
-    TCC_OPTION_w,
-    TCC_OPTION_E,
-    TCC_OPTION_M,
-    TCC_OPTION_MD,
-    TCC_OPTION_MF,
-    TCC_OPTION_MM,
-    TCC_OPTION_MMD,
-    TCC_OPTION_x,
-    TCC_OPTION_ar,
-    TCC_OPTION_impdef,
-    TCC_OPTION_dynamiclib,
-    TCC_OPTION_flat_namespace,
-    TCC_OPTION_two_levelnamespace,
-    TCC_OPTION_undefined,
-    TCC_OPTION_install_name,
-    TCC_OPTION_compatibility_version ,
-    TCC_OPTION_current_version,
-};
-
-#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 },
-    { "-version", TCC_OPTION_v, 0 }, /* handle as verbose, also prints version*/
-    { "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 },
-    { "bench", TCC_OPTION_bench, 0 },
-#ifdef CONFIG_TCC_BACKTRACE
-    { "bt", TCC_OPTION_bt, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP },
-#endif
-#ifdef CONFIG_TCC_BCHECK
-    { "b", TCC_OPTION_b, 0 },
-#endif
-    { "g", TCC_OPTION_g, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP },
-#ifdef TCC_TARGET_MACHO
-    { "compatibility_version", TCC_OPTION_compatibility_version, TCC_OPTION_HAS_ARG },
-    { "current_version", TCC_OPTION_current_version, TCC_OPTION_HAS_ARG },
-#endif
-    { "c", TCC_OPTION_c, 0 },
-#ifdef TCC_TARGET_MACHO
-    { "dynamiclib", TCC_OPTION_dynamiclib, 0 },
-#endif
-    { "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 },
-    { "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 },
-    { "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 },
-#ifdef TCC_TARGET_MACHO
-    { "flat_namespace", TCC_OPTION_flat_namespace, 0 },
-#endif
-    { "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 },
-    { "E", TCC_OPTION_E, 0},
-    { "M", TCC_OPTION_M, 0},
-    { "MD", TCC_OPTION_MD, 0},
-    { "MF", TCC_OPTION_MF, TCC_OPTION_HAS_ARG },
-    { "MM", TCC_OPTION_MM, 0},
-    { "MMD", TCC_OPTION_MMD, 0},
-    { "x", TCC_OPTION_x, TCC_OPTION_HAS_ARG },
-    { "ar", TCC_OPTION_ar, 0},
-#ifdef TCC_TARGET_PE
-    { "impdef", TCC_OPTION_impdef, 0},
-#endif
-#ifdef TCC_TARGET_MACHO
-    { "install_name", TCC_OPTION_install_name, TCC_OPTION_HAS_ARG },
-    { "two_levelnamespace", TCC_OPTION_two_levelnamespace, 0 },
-    { "undefined", TCC_OPTION_undefined, TCC_OPTION_HAS_ARG },
-#endif
-    /* ignored (silently, except after -Wunsupported) */
-    { "arch", 0, TCC_OPTION_HAS_ARG},
-    { "C", 0, 0 },
-    { "-param", 0, TCC_OPTION_HAS_ARG },
-    { "pedantic", 0, 0 },
-    { "pipe", 0, 0 },
-    { "s", 0, 0 },
-    { "traditional", 0, 0 },
-    { NULL, 0, 0 },
-};
-
-typedef struct FlagDef {
-    uint16_t offset;
-    uint16_t flags;
-    const char *name;
-} FlagDef;
-
-#define WD_ALL    0x0001 /* warning is activated when using -Wall */
-#define FD_INVERT 0x0002 /* invert value before storing */
-
-static const FlagDef options_W[] = {
-    { offsetof(TCCState, warn_all), WD_ALL, "all" },
-    { offsetof(TCCState, warn_error), 0, "error" },
-    { offsetof(TCCState, warn_write_strings), 0, "write-strings" },
-    { offsetof(TCCState, warn_unsupported), 0, "unsupported" },
-    { offsetof(TCCState, warn_implicit_function_declaration), WD_ALL, "implicit-function-declaration" },
-    { offsetof(TCCState, warn_discarded_qualifiers), WD_ALL, "discarded-qualifiers" },
-    { 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" },
-    { offsetof(TCCState, test_coverage), 0, "test-coverage" },
-    { 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 int set_flag(TCCState *s, const FlagDef *flags, const char *name)
-{
-    int value, mask, ret;
-    const FlagDef *p;
-    const char *r;
-    unsigned char *f;
-
-    r = name, value = !strstart("no-", &r), mask = 0;
-
-    /* when called with options_W, look for -W[no-]error=<option> */
-    if ((flags->flags & WD_ALL) && strstart("error=", &r))
-        value = value ? WARN_ON|WARN_ERR : WARN_NOE, mask = WARN_ON;
-
-    for (ret = -1, p = flags; p->name; ++p) {
-        if (ret) {
-            if (strcmp(r, p->name))
-                continue;
-        } else {
-            if (0 == (p->flags & WD_ALL))
-                continue;
-        }
-
-        f = (unsigned char *)s + p->offset;
-        *f = (*f & mask) | (value ^ !!(p->flags & FD_INVERT));
-
-        if (ret) {
-            ret = 0;
-            if (strcmp(r, "all"))
-                break;
-        }
-    }
-    return ret;
-}
-
-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 int args_parser_listfile(TCCState *s,
-    const char *filename, int optind, int *pargc, char ***pargv)
-{
-    TCCState *s1 = s;
-    int fd, i;
-    char *p;
-    int argc = 0;
-    char **argv = NULL;
-
-    fd = open(filename, O_RDONLY | O_BINARY);
-    if (fd < 0)
-        return tcc_error_noabort("listfile '%s' not found", filename);
-
-    p = tcc_load_text(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;
-    return 0;
-}
-
-#if defined TCC_TARGET_MACHO
-static uint32_t parse_version(TCCState *s1, const char *version)
-{
-    uint32_t a = 0;
-    uint32_t b = 0;
-    uint32_t c = 0;
-    char* last;
-
-    a = strtoul(version, &last, 10);
-    if (*last == '.') {
-        b = strtoul(&last[1], &last, 10);
-        if (*last == '.')
-             c = strtoul(&last[1], &last, 10);
-    }
-    if (*last || a > 0xffff || b > 0xff || c > 0xff)
-        tcc_error_noabort("version a.b.c not correct: %s", version);
-    return (a << 16) | (b << 8) | c;
-}
-#endif
-
-PUB_FUNC int tcc_parse_args(TCCState *s, int *pargc, char ***pargv, int optind)
-{
-    TCCState *s1 = s;
-    const TCCOption *popt;
-    const char *optarg, *r;
-    const char *run = NULL;
-    int x;
-    int tool = 0, arg_start = 0, noaction = optind;
-    char **argv = *pargv;
-    int argc = *pargc;
-
-    cstr_reset(&s->linker_arg);
-
-    while (optind < argc) {
-        r = argv[optind];
-        if (r[0] == '@' && r[1] != '\0') {
-            if (args_parser_listfile(s, r + 1, optind, &argc, &argv))
-                return -1;
-            continue;
-        }
-        optind++;
-        if (tool) {
-            if (r[0] == '-' && r[1] == 'v' && r[2] == 0)
-                ++s->verbose;
-            continue;
-        }
-reparse:
-        if (r[0] != '-' || r[1] == '\0') {
-            args_parser_add_file(s, r, s->filetype);
-            if (run) {
-dorun:
-                if (tcc_set_options(s, run))
-                    return -1;
-                arg_start = optind - 1;
-                break;
-            }
-            continue;
-        }
-
-        /* allow "tcc files... -run -- args ..." */
-        if (r[1] == '-' && r[2] == '\0' && run)
-            goto dorun;
-
-        /* find option in table */
-        for(popt = tcc_options; ; ++popt) {
-            const char *p1 = popt->name;
-            const char *r1 = r + 1;
-            if (p1 == NULL)
-                return tcc_error_noabort("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:
-                        return tcc_error_noabort("argument to '%s' is missing", r);
-                    optarg = argv[optind++];
-                }
-            } else if (*r1 != '\0')
-                continue;
-            break;
-        }
-
-        switch(popt->index) {
-        case TCC_OPTION_HELP:
-            x = OPT_HELP;
-            goto extra_action;
-        case TCC_OPTION_HELP2:
-            x = OPT_HELP2;
-            goto extra_action;
-        case TCC_OPTION_I:
-            tcc_add_include_path(s, optarg);
-            break;
-        case TCC_OPTION_D:
-            tcc_define_symbol(s, optarg, NULL);
-            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);
-            ++noaction;
-            break;
-        case TCC_OPTION_l:
-            args_parser_add_file(s, optarg, AFF_TYPE_LIB | (s->filetype & ~AFF_TYPE_MASK));
-            s->nb_libraries++;
-            break;
-        case TCC_OPTION_pthread:
-            s->option_pthread = 1;
-            break;
-        case TCC_OPTION_bench:
-            s->do_bench = 1;
-            break;
-#ifdef CONFIG_TCC_BACKTRACE
-        case TCC_OPTION_bt:
-            s->rt_num_callers = atoi(optarg);
-            s->do_backtrace = 1;
-            s->do_debug = 1;
-	    s->dwarf = DWARF_VERSION;
-            break;
-#endif
-#ifdef CONFIG_TCC_BCHECK
-        case TCC_OPTION_b:
-            s->do_bounds_check = 1;
-            s->do_backtrace = 1;
-            s->do_debug = 1;
-	    s->dwarf = DWARF_VERSION;
-            break;
-#endif
-        case TCC_OPTION_g:
-            s->do_debug = 1;
-            s->dwarf = DWARF_VERSION;
-
-            if (strstart("dwarf", &optarg))
-                s->dwarf = (*optarg) ? (0 - atoi(optarg)) : DEFAULT_DWARF_VERSION;
-            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))
-                s->g_debug |= atoi(optarg);
-            else
-                goto unsupported_option;
-            break;
-        case TCC_OPTION_static:
-            s->static_link = 1;
-            break;
-        case TCC_OPTION_std:
-            if (strcmp(optarg, "=c11") == 0)
-                s->cversion = 201112;
-            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:
-            cstr_printf(&s->cmdline_incl, "#include \"%s\"\n", 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
-            return tcc_error_noabort("-run is not available in a cross compiler");
-#else
-            run = optarg;
-            x = TCC_OUTPUT_MEMORY;
-            goto set_output_type;
-#endif
-        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;
-            } else if (!strcmp(optarg, "hard"))
-                s->float_abi = ARM_HARD_FLOAT;
-            else
-                return tcc_error_noabort("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:
-            s->warn_none = 0;
-            if (optarg[0] && 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 (s->linker_arg.size)
-                ((char*)s->linker_arg.data)[s->linker_arg.size - 1] = ',';
-            cstr_cat(&s->linker_arg, optarg, 0);
-            x = tcc_set_linker(s, s->linker_arg.data);
-            if (x)
-                cstr_reset(&s->linker_arg);
-            if (x < 0)
-                return -1;
-            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_M:
-            s->include_sys_deps = 1;
-            // fall through
-        case TCC_OPTION_MM:
-            s->just_deps = 1;
-            if(!s->deps_outfile)
-                s->deps_outfile = tcc_strdup("-");
-            // fall through
-        case TCC_OPTION_MMD:
-            s->gen_deps = 1;
-            break;
-        case TCC_OPTION_MD:
-            s->gen_deps = 1;
-            s->include_sys_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:
-            x = 0;
-            if (*optarg == 'c')
-                x = AFF_TYPE_C;
-            else if (*optarg == 'a')
-                x = AFF_TYPE_ASMPP;
-            else if (*optarg == 'b')
-                x = AFF_TYPE_BIN;
-            else if (*optarg == 'n')
-                x = AFF_TYPE_NONE;
-            else
-                tcc_warning("unsupported language '%s'", optarg);
-            s->filetype = x | (s->filetype & ~AFF_TYPE_MASK);
-            break;
-        case TCC_OPTION_O:
-            s->optimize = 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;
-#if defined TCC_TARGET_MACHO
-        case TCC_OPTION_dynamiclib:
-            x = TCC_OUTPUT_DLL;
-            goto set_output_type;
-        case TCC_OPTION_flat_namespace:
-	     break;
-        case TCC_OPTION_two_levelnamespace:
-	     break;
-        case TCC_OPTION_undefined:
-	     break;
-        case TCC_OPTION_install_name:
-	    s->install_name = tcc_strdup(optarg);
-            break;
-        case TCC_OPTION_compatibility_version:
-	    s->compatibility_version = parse_version(s, optarg);
-            break;
-        case TCC_OPTION_current_version:
-	    s->current_version = parse_version(s, optarg);;
-            break;
-#endif
-        case TCC_OPTION_ar:
-            x = OPT_AR;
-        extra_action:
-            arg_start = optind - 1;
-            if (arg_start != noaction)
-                return tcc_error_noabort("cannot parse %s here", r);
-            tool = x;
-            break;
-        default:
-unsupported_option:
-            tcc_warning_c(warn_unsupported)("unsupported option '%s'", r);
-            break;
-        }
-    }
-    if (s->linker_arg.size) {
-        r = s->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 int tcc_set_options(TCCState *s, const char *r)
-{
-    char **argv = NULL;
-    int argc = 0, ret;
-    args_parser_make_argv(r, &argc, &argv);
-    ret = tcc_parse_args(s, &argc, &argv, 0);
-    dynarray_reset(&argv, &argc);
-    return ret < 0 ? ret : 0;
-}
-
-PUB_FUNC void tcc_print_stats(TCCState *s1, unsigned total_time)
-{
-    if (!total_time)
-        total_time = 1;
-    fprintf(stderr, "# %d idents, %d lines, %u bytes\n"
-                    "# %0.3f s, %u lines/s, %0.1f MB/s\n",
-           total_idents, total_lines, total_bytes,
-           (double)total_time/1000,
-           (unsigned)total_lines*1000/total_time,
-           (double)total_bytes/1000/total_time);
-    fprintf(stderr, "# text %u, data.rw %u, data.ro %u, bss %u bytes\n",
-           s1->total_output[0],
-           s1->total_output[1],
-           s1->total_output[2],
-           s1->total_output[3]
-           );
-#ifdef MEM_DEBUG
-    fprintf(stderr, "# %d bytes memory used\n", mem_max_size);
-#endif
-}