Changeset 331 for EcnlProtoTool/trunk/tcc-0.9.27/libtcc.c

Timestamp:

Jan 21, 2018, 12:10:09 AM (6 years ago)

Author:

coas-nagasima

Message:

prototoolに関連するプロジェクトをnewlibからmuslを使うよう変更・更新
ntshellをnewlibの下位の実装から、muslのsyscallの実装に変更・更新
以下のOSSをアップデート
・mruby-1.3.0
・musl-1.1.18
・onigmo-6.1.3
・tcc-0.9.27
以下のOSSを追加
・openssl-1.1.0e
・curl-7.57.0
・zlib-1.2.11
以下のmrbgemsを追加
・iij/mruby-digest
・iij/mruby-env
・iij/mruby-errno
・iij/mruby-iijson
・iij/mruby-ipaddr
・iij/mruby-mock
・iij/mruby-require
・iij/mruby-tls-openssl

Location:

EcnlProtoTool/trunk/tcc-0.9.27

Files:

• . (moved) (moved from EcnlProtoTool/trunk/tcc-0.9.26 )
• libtcc.c (modified) (72 diffs)

EcnlProtoTool/trunk/tcc-0.9.27/libtcc.c

@@ -1 +1 @@
 /*
  *  TCC - Tiny C Compiler
- * 
+ *
  *  Copyright (c) 2001-2004 Fabrice Bellard
  *
@@ -33 +33 @@
 ST_DATA struct TCCState *tcc_state;
 
+static int nb_states;
+
 /********************************************************/
 
-#ifdef ONE_SOURCE
+#if ONE_SOURCE
 #include "tccpp.c"
 #include "tccgen.c"
@@ -42 +44 @@
 #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"
-#endif
-#ifdef TCC_TARGET_IL
-#include "il-gen.c"
+#include "x86_64-link.c"
+#include "i386-asm.c"
 #endif
 #ifdef CONFIG_TCC_ASM
 #include "tccasm.c"
-#if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
-#include "i386-asm.c"
-#endif
-#endif
-#ifdef TCC_TARGET_COFF
-#include "tcccoff.c"
 #endif
 #ifdef TCC_TARGET_PE
@@ -82 +87 @@
 
 /********************************************************/
-
 #ifdef _WIN32
-char *normalize_slashes(char *path)
+ST_FUNC char *normalize_slashes(char *path)
 {
     char *p;
@@ -93 +97 @@
 }
 
-#if 0
 static HMODULE tcc_module;
 
@@ -102 +105 @@
     GetModuleFileNameA(tcc_module, path, sizeof path);
     p = tcc_basename(normalize_slashes(strlwr(path)));
-    if (p - 5 > path && 0 == strncmp(p - 5, "/bin/", 5))
-        p -= 5;
-    else if (p > path)
-        p--;
+    if (p > path)
+        --p;
     *p = 0;
     tcc_set_lib_path(s, path);
@@ -119 +120 @@
 #endif
 
-#ifndef CONFIG_TCC_STATIC
-void dlclose(void *p)
-{
-    FreeLibrary((HMODULE)p);
-}
-#endif
-#else
-extern void tcc_set_lib_path_w32(TCCState *s);
-extern void dlclose(void *p);
-#endif
-
 #ifdef LIBTCC_AS_DLL
-BOOL WINAPI DllMain (HANDLE hDll, DWORD dwReason, LPVOID lpReserved)
+BOOL WINAPI DllMain (HINSTANCE hDll, DWORD dwReason, LPVOID lpReserved)
 {
     if (DLL_PROCESS_ATTACH == dwReason)
@@ -142 +132 @@
 /********************************************************/
 /* copy a string and truncate it. */
-PUB_FUNC char *pstrcpy(char *buf, int buf_size, const char *s)
+ST_FUNC char *pstrcpy(char *buf, int buf_size, const char *s)
 {
     char *q, *q_end;
@@ -162 +152 @@
 
 /* strcat and truncate. */
-PUB_FUNC char *pstrcat(char *buf, int buf_size, const char *s)
+ST_FUNC char *pstrcat(char *buf, int buf_size, const char *s)
 {
     int len;
     len = strlen(buf);
-    if (len < buf_size) 
+    if (len < buf_size)
         pstrcpy(buf + len, buf_size - len, s);
     return buf;
 }
 
-PUB_FUNC char *pstrncpy(char *out, const char *in, size_t num)
+ST_FUNC char *pstrncpy(char *out, const char *in, size_t num)
 {
     memcpy(out, in, num);
@@ -205 +195 @@
 #undef realloc
 
-#ifdef MEM_DEBUG
-ST_DATA int mem_cur_size;
-ST_DATA int mem_max_size;
-unsigned malloc_usable_size(void*);
-#endif
+#ifndef MEM_DEBUG
 
 PUB_FUNC void tcc_free(void *ptr)
 {
-#ifdef MEM_DEBUG
-    mem_cur_size -= malloc_usable_size(ptr);
-#endif
-        free(ptr);
+    free(ptr);
 }
 
@@ -224 +207 @@
     ptr = malloc(size);
     if (!ptr && size)
-        tcc_error("memory full");
-#ifdef MEM_DEBUG
-    mem_cur_size += malloc_usable_size(ptr);
-    if (mem_cur_size > mem_max_size)
-        mem_max_size = mem_cur_size;
-#endif
+        tcc_error("memory full (malloc)");
     return ptr;
 }
@@ -244 +222 @@
 {
     void *ptr1;
-#ifdef MEM_DEBUG
-    mem_cur_size -= malloc_usable_size(ptr);
-#endif
     ptr1 = realloc(ptr, size);
     if (!ptr1 && size)
-        tcc_error("memory full");
-#ifdef MEM_DEBUG
-    /* NOTE: count not correct if alloc error, but not critical */
-    mem_cur_size += malloc_usable_size(ptr1);
-    if (mem_cur_size > mem_max_size)
-        mem_max_size = mem_cur_size;
-#endif
+        tcc_error("memory full (realloc)");
     return ptr1;
 }
@@ -267 +236 @@
 }
 
-PUB_FUNC void tcc_memstats(void)
-{
-#ifdef MEM_DEBUG
-    printf("memory: %d bytes, max = %d bytes\n", mem_cur_size, mem_max_size);
-#endif
-}
+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)
@@ -281 +401 @@
 /* dynarrays */
 
-ST_FUNC void dynarray_add(void ***ptab, int *nb_ptr, void *data)
+ST_FUNC void dynarray_add(void *ptab, int *nb_ptr, void *data)
 {
     int nb, nb_alloc;
     void **pp;
-    
+
     nb = *nb_ptr;
-    pp = *ptab;
+    pp = *(void ***)ptab;
     /* every power of two we double array size */
     if ((nb & (nb - 1)) == 0) {
@@ -295 +415 @@
             nb_alloc = nb * 2;
         pp = tcc_realloc(pp, nb_alloc * sizeof(void *));
-        *ptab = pp;
+        *(void***)ptab = pp;
     }
     pp[nb++] = data;
@@ -311 +431 @@
 }
 
-static void tcc_split_path(TCCState *s, void ***p_ary, int *p_nb_ary, const char *in)
+static void tcc_split_path(TCCState *s, void *p_ary, int *p_nb_ary, const char *in)
 {
     const char *p;
@@ -319 +439 @@
 
         cstr_new(&str);
-        for (p = in; c = *p, c != '\0' && c != PATHSEP; ++p) {
+        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);
+                    cstr_cat(&str, s->tcc_lib_path, -1);
             } else {
                 cstr_ccat(&str, c);
             }
         }
-        cstr_ccat(&str, '\0');
-        dynarray_add(p_ary, p_nb_ary, str.data);
+        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);
-}
-
-/********************************************************/
-
-ST_FUNC Section *new_section(TCCState *s1, const char *name, int sh_type, int sh_flags)
-{
-    Section *sec;
-
-    sec = tcc_mallocz(sizeof(Section) + strlen(name));
-    strcpy(sec->name, name);
-    sec->sh_type = sh_type;
-    sec->sh_flags = sh_flags;
-    switch(sh_type) {
-    case SHT_HASH:
-    case SHT_REL:
-    case SHT_RELA:
-    case SHT_DYNSYM:
-    case SHT_SYMTAB:
-    case SHT_DYNAMIC:
-        sec->sh_addralign = 4;
-        break;
-    case SHT_STRTAB:
-        sec->sh_addralign = 1;
-        break;
-    default:
-        sec->sh_addralign = 32; /* default conservative alignment */
-        break;
-    }
-
-    if (sh_flags & SHF_PRIVATE) {
-        dynarray_add((void ***)&s1->priv_sections, &s1->nb_priv_sections, sec);
-    } else {
-        sec->sh_num = s1->nb_sections;
-        dynarray_add((void ***)&s1->sections, &s1->nb_sections, sec);
-    }
-
-    return sec;
-}
-
-static void free_section(Section *s)
-{
-    tcc_free(s->data);
-}
-
-/* realloc section and set its content to zero */
-ST_FUNC void section_realloc(Section *sec, unsigned long new_size)
-{
-    unsigned long size;
-    unsigned char *data;
-    
-    size = sec->data_allocated;
-    if (size == 0)
-        size = 1;
-    while (size < new_size)
-        size = size * 2;
-    data = tcc_realloc(sec->data, size);
-    memset(data + sec->data_allocated, 0, size - sec->data_allocated);
-    sec->data = data;
-    sec->data_allocated = size;
-}
-
-/* reserve at least 'size' bytes in section 'sec' from
-   sec->data_offset. */
-ST_FUNC void *section_ptr_add(Section *sec, unsigned long size)
-{
-    unsigned long offset, offset1;
-
-    offset = sec->data_offset;
-    offset1 = offset + size;
-    if (offset1 > sec->data_allocated)
-        section_realloc(sec, offset1);
-    sec->data_offset = offset1;
-    return sec->data + offset;
-}
-
-/* reserve at least 'size' bytes from section start */
-ST_FUNC void section_reserve(Section *sec, unsigned long size)
-{
-    if (size > sec->data_allocated)
-        section_realloc(sec, size);
-    if (size > sec->data_offset)
-        sec->data_offset = size;
-}
-
-/* return a reference to a section, and create it if it does not
-   exists */
-ST_FUNC Section *find_section(TCCState *s1, const char *name)
-{
-    Section *sec;
-    int i;
-    for(i = 1; i < s1->nb_sections; i++) {
-        sec = s1->sections[i];
-        if (!strcmp(name, sec->name)) 
-            return sec;
-    }
-    /* sections are created as PROGBITS */
-    return new_section(s1, name, SHT_PROGBITS, SHF_ALLOC);
-}
-
-/* update sym->c so that it points to an external symbol in section
-   'section' with value 'value' */
-ST_FUNC void put_extern_sym2(Sym *sym, Section *section, 
-                            addr_t value, unsigned long size,
-                            int can_add_underscore)
-{
-    int sym_type, sym_bind, sh_num, info, other;
-    ElfW(Sym) *esym;
-    const char *name;
-    char buf1[256];
-
-    if (section == NULL)
-        sh_num = SHN_UNDEF;
-    else if (section == SECTION_ABS) 
-        sh_num = SHN_ABS;
-    else
-        sh_num = section->sh_num;
-
-    if ((sym->type.t & VT_BTYPE) == VT_FUNC) {
-        sym_type = STT_FUNC;
-    } else if ((sym->type.t & VT_BTYPE) == VT_VOID) {
-        sym_type = STT_NOTYPE;
-    } else {
-        sym_type = STT_OBJECT;
-    }
-
-    if (sym->type.t & VT_STATIC)
-        sym_bind = STB_LOCAL;
-    else {
-        if (sym->type.t & VT_WEAK)
-            sym_bind = STB_WEAK;
-        else
-            sym_bind = STB_GLOBAL;
-    }
-
-    if (!sym->c) {
-        name = get_tok_str(sym->v, NULL);
-#ifdef CONFIG_TCC_BCHECK
-        if (tcc_state->do_bounds_check) {
-            char buf[32];
-
-            /* XXX: avoid doing that for statics ? */
-            /* if bound checking is activated, we change some function
-               names by adding the "__bound" prefix */
-            switch(sym->v) {
-#ifdef TCC_TARGET_PE
-            /* XXX: we rely only on malloc hooks */
-            case TOK_malloc: 
-            case TOK_free: 
-            case TOK_realloc: 
-            case TOK_memalign: 
-            case TOK_calloc: 
-#endif
-            case TOK_memcpy: 
-            case TOK_memmove:
-            case TOK_memset:
-            case TOK_strlen:
-            case TOK_strcpy:
-#if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
-            case TOK_alloca:
-#endif
-                strcpy(buf, "__bound_");
-                strcat(buf, name);
-                name = buf;
-                break;
-            }
-        }
-#endif
-        other = 0;
-
-#ifdef TCC_TARGET_PE
-        if (sym->type.t & VT_EXPORT)
-            other |= 1;
-        if (sym_type == STT_FUNC && sym->type.ref) {
-            int attr = sym->type.ref->r;
-            if (FUNC_EXPORT(attr))
-                other |= 1;
-            if (FUNC_CALL(attr) == FUNC_STDCALL && can_add_underscore) {
-                sprintf(buf1, "_%s@%d", name, FUNC_ARGS(attr) * PTR_SIZE);
-                name = buf1;
-                other |= 2;
-                can_add_underscore = 0;
-            }
-        } else {
-            if (find_elf_sym(tcc_state->dynsymtab_section, name))
-                other |= 4;
-            if (sym->type.t & VT_IMPORT)
-                other |= 4;
-        }
-#endif
-        if (tcc_state->leading_underscore && can_add_underscore) {
-            buf1[0] = '_';
-            pstrcpy(buf1 + 1, sizeof(buf1) - 1, name);
-            name = buf1;
-        }
-        if (sym->asm_label) {
-            name = sym->asm_label;
-        }
-        info = ELFW(ST_INFO)(sym_bind, sym_type);
-        sym->c = add_elf_sym(symtab_section, value, size, info, other, sh_num, name);
-    } else {
-        esym = &((ElfW(Sym) *)symtab_section->data)[sym->c];
-        esym->st_value = value;
-        esym->st_size = size;
-        esym->st_shndx = sh_num;
-    }
-}
-
-ST_FUNC void put_extern_sym(Sym *sym, Section *section, 
-                           addr_t value, unsigned long size)
-{
-    put_extern_sym2(sym, section, value, size, 1);
-}
-
-/* add a new relocation entry to symbol 'sym' in section 's' */
-ST_FUNC void greloc(Section *s, Sym *sym, unsigned long offset, int type)
-{
-    int c = 0;
-    if (sym) {
-        if (0 == sym->c)
-            put_extern_sym(sym, NULL, 0, 0);
-        c = sym->c;
-    }
-    /* now we can add ELF relocation info */
-    put_elf_reloc(symtab_section, s, offset, type, c);
 }
 
@@ -579 +478 @@
     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);
+    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 (f->line_num > 0) {
+        if (s1->error_set_jmp_enabled) {
             strcat_printf(buf, sizeof(buf), "%s:%d: ",
-                f->filename, f->line_num);
+                f->filename, f->line_num - !!(tok_flags & TOK_FLAG_BOL));
         } else {
             strcat_printf(buf, sizeof(buf), "%s: ",
@@ -605 +505 @@
     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);
@@ -669 +574 @@
     int buflen = initlen ? initlen : IO_BUF_SIZE;
 
-    bf = tcc_malloc(sizeof(BufferedFile) + buflen);
+    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->ifndef_macro = 0;
     bf->ifdef_stack_ptr = s1->ifdef_stack_ptr;
     bf->fd = -1;
     bf->prev = file;
     file = bf;
+    tok_flags = TOK_FLAG_BOL | TOK_FLAG_BOF;
 }
 
@@ -692 +595 @@
         total_lines += bf->line_num;
     }
+    if (bf->true_filename != bf->filename)
+        tcc_free(bf->true_filename);
     file = bf->prev;
     tcc_free(bf);
@@ -700 +605 @@
     int fd;
     if (strcmp(filename, "-") == 0)
-        fd = 0, filename = "stdin";
+        fd = 0, filename = "<stdin>";
     else
         fd = open(filename, O_RDONLY | O_BINARY);
@@ -708 +613 @@
     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 C file opened in 'file'. Return non zero if errors. */
+/* compile the file opened in 'file'. Return non zero if errors. */
 static int tcc_compile(TCCState *s1)
 {
     Sym *define_start;
-    SValue *pvtop;
-    char buf[512];
-    volatile int section_sym;
-
-#ifdef INC_DEBUG
-    printf("%s: **** new file\n", file->filename);
-#endif
-    preprocess_init(s1);
-
-    cur_text_section = NULL;
-    funcname = "";
-    anon_sym = SYM_FIRST_ANOM; 
-
-    /* file info: full path + filename */
-    section_sym = 0; /* avoid warning */
-    if (s1->do_debug) {
-        section_sym = put_elf_sym(symtab_section, 0, 0, 
-                                  ELFW(ST_INFO)(STB_LOCAL, STT_SECTION), 0, 
-                                  text_section->sh_num, NULL);
-        getcwd(buf, sizeof(buf));
-#ifdef _WIN32
-        normalize_slashes(buf);
-#endif
-        pstrcat(buf, sizeof(buf), "/");
-        put_stabs_r(buf, N_SO, 0, 0, 
-                    text_section->data_offset, text_section, section_sym);
-        put_stabs_r(file->filename, N_SO, 0, 0, 
-                    text_section->data_offset, text_section, section_sym);
-    }
-    /* an elf symbol of type STT_FILE must be put so that STB_LOCAL
-       symbols can be safely used */
-    put_elf_sym(symtab_section, 0, 0, 
-                ELFW(ST_INFO)(STB_LOCAL, STT_FILE), 0, 
-                SHN_ABS, file->filename);
-
-    /* define some often used types */
-    int_type.t = VT_INT;
-
-    char_pointer_type.t = VT_BYTE;
-    mk_pointer(&char_pointer_type);
-
-#if PTR_SIZE == 4
-    size_type.t = VT_INT;
-#else
-    size_type.t = VT_LLONG;
-#endif
-
-    func_old_type.t = VT_FUNC;
-    func_old_type.ref = sym_push(SYM_FIELD, &int_type, FUNC_CDECL, FUNC_OLD);
-#ifdef TCC_TARGET_ARM
-    arm_init_types();
-#endif
-
-#if 0
-    /* define 'void *alloca(unsigned int)' builtin function */
-    {
-        Sym *s1;
-
-        p = anon_sym++;
-        sym = sym_push(p, mk_pointer(VT_VOID), FUNC_CDECL, FUNC_NEW);
-        s1 = sym_push(SYM_FIELD, VT_UNSIGNED | VT_INT, 0, 0);
-        s1->next = NULL;
-        sym->next = s1;
-        sym_push(TOK_alloca, VT_FUNC | (p << VT_STRUCT_SHIFT), VT_CONST, 0);
-    }
-#endif
+    int filetype, is_asm;
 
     define_start = define_stack;
-    nocode_wanted = 1;
+    filetype = s1->filetype;
+    is_asm = filetype == AFF_TYPE_ASM || filetype == AFF_TYPE_ASMPP;
+    tccelf_begin_file(s1);
 
     if (setjmp(s1->error_jmp_buf) == 0) {
@@ -792 +636 @@
         s1->error_set_jmp_enabled = 1;
 
-        ch = file->buf_ptr[0];
-        tok_flags = TOK_FLAG_BOL | TOK_FLAG_BOF;
-        parse_flags = PARSE_FLAG_PREPROCESS | PARSE_FLAG_TOK_NUM;
-        pvtop = vtop;
-        next();
-        decl(VT_CONST);
-        if (tok != TOK_EOF)
-            expect("declaration");
-        if (pvtop != vtop)
-            tcc_warning("internal compiler error: vstack leak? (%d)", vtop - pvtop);
-
-        /* end of translation unit info */
-        if (s1->do_debug) {
-            put_stabs_r(NULL, N_SO, 0, 0, 
-                        text_section->data_offset, text_section, section_sym);
+        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;
 
-    /* reset define stack, but leave -Dsymbols (may be incorrect if
-       they are undefined) */
-    free_defines(define_start); 
-
-    gen_inline_functions();
-
-    sym_pop(&global_stack, NULL);
-    sym_pop(&local_stack, NULL);
-
+    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;
 }
@@ -827 +664 @@
 {
     int len, ret;
+
     len = strlen(str);
-
     tcc_open_bf(s, "<string>", len);
     memcpy(file->buffer, str, len);
@@ -853 +690 @@
 
     /* parse with define parser */
-    ch = file->buf_ptr[0];
     next_nomacro();
     parse_define();
-
     tcc_close();
 }
@@ -875 +710 @@
 static void tcc_cleanup(void)
 {
-    int i, n;
     if (NULL == tcc_state)
         return;
+    while (file)
+        tcc_close();
+    tccpp_delete(tcc_state);
     tcc_state = NULL;
-
-    /* free -D defines */
-    free_defines(NULL);
-
-    /* free tokens */
-    n = tok_ident - TOK_IDENT;
-    for(i = 0; i < n; i++)
-        tcc_free(table_ident[i]);
-    tcc_free(table_ident);
-
     /* free sym_pools */
     dynarray_reset(&sym_pools, &nb_sym_pools);
-    /* string buffer */
-    cstr_free(&tokcstr);
     /* reset symbol stack */
     sym_free_first = NULL;
-    /* cleanup from error/setjmp */
-    macro_ptr = NULL;
 }
 
@@ -902 +725 @@
 {
     TCCState *s;
-    char buffer[100];
-    int a,b,c;
 
     tcc_cleanup();
@@ -911 +732 @@
         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);
@@ -916 +754 @@
     tcc_set_lib_path(s, CONFIG_TCCDIR);
 #endif
-    s->output_type = TCC_OUTPUT_MEMORY;
-    preprocess_new();
-    s->include_stack_ptr = s->include_stack;
+    tccelf_new(s);
+    tccpp_new(s);
 
     /* we add dummy defines for some special macros to speed up tests
@@ -926 +763 @@
     define_push(TOK___DATE__, MACRO_OBJ, NULL, NULL);
     define_push(TOK___TIME__, MACRO_OBJ, NULL, NULL);
-
-    /* define __TINYC__ 92X  */
-    sscanf(TCC_VERSION, "%d.%d.%d", &a, &b, &c);
-    sprintf(buffer, "%d", a*10000 + b*100 + c);
-    tcc_define_symbol(s, "__TINYC__", buffer);
+    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 */
@@ -952 +793 @@
     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
 
@@ -963 +818 @@
     tcc_define_symbol(s, "__unix", NULL);
     tcc_define_symbol(s, "unix", NULL);
-# if defined(__linux)
+# if defined(__linux__)
     tcc_define_symbol(s, "__linux__", NULL);
     tcc_define_symbol(s, "__linux", NULL);
 # endif
 # if defined(__FreeBSD__)
-#  define str(s) #s
-    tcc_define_symbol(s, "__FreeBSD__", str( __FreeBSD__));
-#  undef str
+    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 defined TCC_TARGET_PE && defined TCC_TARGET_X86_64
+#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");
-#endif
-
-#ifndef TCC_TARGET_PE
+    /* 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");
-    /* default library paths */
-    tcc_add_library_path(s, CONFIG_TCC_LIBPATHS);
-    /* paths for crt objects */
-    tcc_split_path(s, (void ***)&s->crt_paths, &s->nb_crt_paths, CONFIG_TCC_CRTPREFIX);
-#endif
-
-    /* no section zero */
-    dynarray_add((void ***)&s->sections, &s->nb_sections, NULL);
-
-    /* create standard sections */
-    text_section = new_section(s, ".text", SHT_PROGBITS, SHF_ALLOC | SHF_EXECINSTR);
-    data_section = new_section(s, ".data", SHT_PROGBITS, SHF_ALLOC | SHF_WRITE);
-    bss_section = new_section(s, ".bss", SHT_NOBITS, SHF_ALLOC | SHF_WRITE);
-
-    /* symbols are always generated for linking stage */
-    symtab_section = new_symtab(s, ".symtab", SHT_SYMTAB, 0,
-                                ".strtab",
-                                ".hashtab", SHF_PRIVATE); 
-    strtab_section = symtab_section->link;
-    s->symtab = symtab_section;
-    
-    /* private symbol table for dynamic symbols */
-    s->dynsymtab_section = new_symtab(s, ".dynsymtab", SHT_SYMTAB, SHF_PRIVATE,
-                                      ".dynstrtab", 
-                                      ".dynhashtab", SHF_PRIVATE);
-    s->alacarte_link = 1;
-    s->nocommon = 1;
-    s->section_align = ELF_PAGE_SIZE;
-
-#ifdef CHAR_IS_UNSIGNED
-    s->char_is_unsigned = 1;
-#endif
-    /* enable this if you want symbols with leading underscore on windows: */
-#if 0 //def TCC_TARGET_PE
-    s->leading_underscore = 1;
-#endif
-#ifdef TCC_TARGET_I386
-    s->seg_size = 32;
-#endif
+    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;
 }
@@ -1040 +895 @@
 LIBTCCAPI void tcc_delete(TCCState *s1)
 {
-    int i;
-
     tcc_cleanup();
 
-    /* free all sections */
-    for(i = 1; i < s1->nb_sections; i++)
-        free_section(s1->sections[i]);
-    dynarray_reset(&s1->sections, &s1->nb_sections);
-
-    for(i = 0; i < s1->nb_priv_sections; i++)
-        free_section(s1->priv_sections[i]);
-    dynarray_reset(&s1->priv_sections, &s1->nb_priv_sections);
-        
-    /* free any loaded DLLs */
-    for ( i = 0; i < s1->nb_loaded_dlls; i++) {
-        DLLReference *ref = s1->loaded_dlls[i];
-        if ( ref->handle )
-            dlclose(ref->handle);
-    }
-    
-    /* free loaded dlls array */
-    dynarray_reset(&s1->loaded_dlls, &s1->nb_loaded_dlls);
+    /* free sections */
+    tccelf_delete(s1);
 
     /* free library paths */
@@ -1071 +908 @@
     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);
@@ -1081 +919 @@
     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
-# ifdef HAVE_SELINUX
-    munmap (s1->write_mem, s1->mem_size);
-    munmap (s1->runtime_mem, s1->mem_size);    
-# else
-    tcc_free(s1->runtime_mem);
+    /* 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
-#endif
-
-    tcc_free(s1);
+#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, (void ***)&s->include_paths, &s->nb_include_paths, pathname);
+    tcc_split_path(s, &s->include_paths, &s->nb_include_paths, pathname);
     return 0;
 }
@@ -1102 +991 @@
 LIBTCCAPI int tcc_add_sysinclude_path(TCCState *s, const char *pathname)
 {
-    tcc_split_path(s, (void ***)&s->sysinclude_paths, &s->nb_sysinclude_paths, pathname);
+    tcc_split_path(s, &s->sysinclude_paths, &s->nb_sysinclude_paths, pathname);
     return 0;
 }
@@ -1108 +997 @@
 ST_FUNC int tcc_add_file_internal(TCCState *s1, const char *filename, int flags)
 {
-    const char *ext;
-    ElfW(Ehdr) ehdr;
-    int fd, ret, size;
-
-    /* find source file type with extension */
-    ext = tcc_fileextension(filename);
-    if (ext[0])
-        ext++;
-
-#ifdef CONFIG_TCC_ASM
-    /* if .S file, define __ASSEMBLER__ like gcc does */
-    if (!strcmp(ext, "S"))
-        tcc_define_symbol(s1, "__ASSEMBLER__", NULL);
-#endif
+    int ret;
 
     /* open the file */
@@ -1132 +1008 @@
 
     /* update target deps */
-    dynarray_add((void ***)&s1->target_deps, &s1->nb_target_deps,
+    dynarray_add(&s1->target_deps, &s1->nb_target_deps,
             tcc_strdup(filename));
 
-    if (flags & AFF_PREPROCESS) {
-        ret = tcc_preprocess(s1);
-        goto the_end;
-    }
-
-    if (!ext[0] || !PATHCMP(ext, "c")) {
-        /* C file assumed */
-        ret = tcc_compile(s1);
-        goto the_end;
-    }
-
-#ifdef CONFIG_TCC_ASM
-    if (!strcmp(ext, "S")) {
-        /* preprocessed assembler */
-        ret = tcc_assemble(s1, 1);
-        goto the_end;
-    }
-
-    if (!strcmp(ext, "s")) {
-        /* non preprocessed assembler */
-        ret = tcc_assemble(s1, 0);
-        goto the_end;
-    }
-#endif
-
-    fd = file->fd;
-    /* assume executable format: auto guess file type */
-    size = read(fd, &ehdr, sizeof(ehdr));
-    lseek(fd, 0, SEEK_SET);
-    if (size <= 0) {
-        tcc_error_noabort("could not read header");
-        goto the_end;
-    }
-
-    if (size == sizeof(ehdr) &&
-        ehdr.e_ident[0] == ELFMAG0 &&
-        ehdr.e_ident[1] == ELFMAG1 &&
-        ehdr.e_ident[2] == ELFMAG2 &&
-        ehdr.e_ident[3] == ELFMAG3) {
-
-        /* do not display line number if error */
-        file->line_num = 0;
-        if (ehdr.e_type == ET_REL) {
+    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);
-            goto the_end;
-
-        }
+            break;
 #ifndef TCC_TARGET_PE
-        if (ehdr.e_type == ET_DYN) {
+        case AFF_BINTYPE_DYN:
             if (s1->output_type == TCC_OUTPUT_MEMORY) {
+                ret = 0;
 #ifdef TCC_IS_NATIVE
-                void *h;
-                h = dlopen(filename, RTLD_GLOBAL | RTLD_LAZY);
-                if (h)
-#endif
-                    ret = 0;
+                if (NULL == dlopen(filename, RTLD_GLOBAL | RTLD_LAZY))
+                    ret = -1;
+#endif
             } else {
-                ret = tcc_load_dll(s1, fd, filename, 
+                ret = tcc_load_dll(s1, fd, filename,
                                    (flags & AFF_REFERENCED_DLL) != 0);
             }
-            goto the_end;
+            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;
         }
-#endif
-        tcc_error_noabort("unrecognized ELF file");
-        goto the_end;
-    }
-
-    if (memcmp((char *)&ehdr, ARMAG, 8) == 0) {
-        file->line_num = 0; /* do not display line number if error */
-        ret = tcc_load_archive(s1, fd);
-        goto the_end;
-    }
-
-#ifdef TCC_TARGET_COFF
-    if (*(uint16_t *)(&ehdr) == COFF_C67_MAGIC) {
-        ret = tcc_load_coff(s1, fd);
-        goto the_end;
-    }
-#endif
-
-#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");
-
-the_end:
+    } else {
+        ret = tcc_compile(s1);
+    }
     tcc_close();
     return ret;
@@ -1231 +1070 @@
 LIBTCCAPI int tcc_add_file(TCCState *s, const char *filename)
 {
-    if (s->output_type == TCC_OUTPUT_PREPROCESS)
-        return tcc_add_file_internal(s, filename, AFF_PRINT_ERROR | AFF_PREPROCESS);
-    else
-        return tcc_add_file_internal(s, filename, AFF_PRINT_ERROR);
+    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, (void ***)&s->library_paths, &s->nb_library_paths, pathname);
+    tcc_split_path(s, &s->library_paths, &s->nb_library_paths, pathname);
     return 0;
 }
@@ -1251 +1107 @@
     for(i = 0; i < nb_paths; i++) {
         snprintf(buf, sizeof(buf), fmt, paths[i], filename);
-        if (tcc_add_file_internal(s, buf, flags) == 0)
+        if (tcc_add_file_internal(s, buf, flags | AFF_TYPE_BIN) == 0)
             return 0;
     }
@@ -1276 +1132 @@
 LIBTCCAPI int tcc_add_library(TCCState *s, const char *libraryname)
 {
-#ifdef TCC_TARGET_PE
+#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 };
@@ -1292 +1151 @@
 }
 
+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)
 {
@@ -1299 +1174 @@
     pe_putimport(s, 0, name, (uintptr_t)val);
 #else
-    /* XXX: Same problem on linux but currently "solved" elsewhere
-       via the rather dirty 'runtime_plt_and_got' hack. */
-    add_elf_sym(symtab_section, (uintptr_t)val, 0,
+    set_elf_sym(symtab_section, (uintptr_t)val, 0,
         ELFW(ST_INFO)(STB_GLOBAL, STT_NOTYPE), 0,
         SHN_ABS, name);
-#endif
-    return 0;
-}
-
-LIBTCCAPI int tcc_set_output_type(TCCState *s, int output_type)
-{
-    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 bound checking, then add corresponding sections */
-#ifdef CONFIG_TCC_BCHECK
-    if (s->do_bounds_check) {
-        /* define symbol */
-        tcc_define_symbol(s, "__BOUNDS_CHECKING_ON", NULL);
-        /* create bounds sections */
-        bounds_section = new_section(s, ".bounds", 
-                                     SHT_PROGBITS, SHF_ALLOC);
-        lbounds_section = new_section(s, ".lbounds", 
-                                      SHT_PROGBITS, SHF_ALLOC);
-    }
-#endif
-
-    if (s->char_is_unsigned) {
-        tcc_define_symbol(s, "__CHAR_UNSIGNED__", NULL);
-    }
-
-    /* add debug sections */
-    if (s->do_debug) {
-        /* stab symbols */
-        stab_section = new_section(s, ".stab", SHT_PROGBITS, 0);
-        stab_section->sh_entsize = sizeof(Stab_Sym);
-        stabstr_section = new_section(s, ".stabstr", SHT_STRTAB, 0);
-        put_elf_str(stabstr_section, "");
-        stab_section->link = stabstr_section;
-        /* put first entry */
-        put_stabs("", 0, 0, 0, 0);
-    }
-
-#ifdef TCC_TARGET_PE
-    tcc_add_library_path(s, CONFIG_TCC_LIBPATHS);
-# ifdef _WIN32
-    tcc_add_systemdir(s);
-# endif
-#else
-    /* 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;
@@ -1379 +1196 @@
 } FlagDef;
 
-static const FlagDef warning_defs[] = {
-    { offsetof(TCCState, warn_unsupported), 0, "unsupported" },
-    { offsetof(TCCState, warn_write_strings), 0, "write-strings" },
-    { offsetof(TCCState, warn_error), 0, "error" },
-    { offsetof(TCCState, warn_implicit_function_declaration), WD_ALL,
-      "implicit-function-declaration" },
-};
-
-ST_FUNC int set_flag(TCCState *s, const FlagDef *flags, int nb_flags,
-                    const char *name, int value)
-{
-    int i;
+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 (r[0] == 'n' && r[1] == 'o' && r[2] == '-') {
-        r += 3;
-        value = !value;
-    }
-    for(i = 0, p = flags; i < nb_flags; i++, p++) {
-        if (!strcmp(r, p->name))
-            goto found;
-    }
-    return -1;
- found:
-    if (p->flags & FD_INVERT)
-        value = !value;
-    *(int *)((uint8_t *)s + p->offset) = value;
-    return 0;
-}
-
-/* set/reset a warning */
-static int tcc_set_warning(TCCState *s, const char *warning_name, int value)
-{
-    int i;
-    const FlagDef *p;
-
-    if (!strcmp(warning_name, "all")) {
-        for(i = 0, p = warning_defs; i < countof(warning_defs); i++, p++) {
-            if (p->flags & WD_ALL)
-                *(int *)((uint8_t *)s + p->offset) = 1;
+    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;
         }
-        return 0;
-    } else {
-        return set_flag(s, warning_defs, countof(warning_defs),
-                        warning_name, value);
-    }
-}
-
-static const FlagDef flag_defs[] = {
-    { 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" },
-};
-
-/* set/reset a flag */
-static int tcc_set_flag(TCCState *s, const char *flag_name, int value)
-{
-    return set_flag(s, flag_defs, countof(flag_defs),
-                    flag_name, value);
-}
-
+        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)
@@ -1470 +1262 @@
 {
     const char *p, *q;
+    int ret;
 
     /* there should be 1 or 2 dashes */
@@ -1477 +1270 @@
         str++;
 
-    /* then str & val should match (potentialy up to '=') */
+    /* 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 != '=') {
@@ -1490 +1290 @@
     /* '=' near eos means ',' or '=' is ok */
     if (*q == '=') {
+        if (*p == 0)
+            *ptr = p;
         if (*p != ',' && *p != '=')
             return 0;
         p++;
-        q++;
-    }
-
-    if (ptr)
-        *ptr = p;
-    return 1;
+    } else if (*p) {
+        return 0;
+    }
+    *ptr = p;
+    return ret;
 }
 
@@ -1509 +1310 @@
 }
 
-static char *copy_linker_arg(const char *p)
-{
-    const char *q = p;
+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);
-    return pstrncpy(tcc_malloc(q - p + 1), p, q - p);
+    pstrncpy(l + (*pp = tcc_realloc(p, q - s + l + 1)), s, q - s);
 }
 
@@ -1519 +1324 @@
 static int tcc_set_linker(TCCState *s, const char *option)
 {
-    while (option && *option) {
-
-        const char *p = option;
+    while (*option) {
+
+        const char *p = NULL;
         char *end = NULL;
         int ignoring = 0;
+        int ret;
 
         if (link_option(option, "Bsymbolic", &p)) {
@@ -1530 +1336 @@
             s->nostdlib = 1;
         } else if (link_option(option, "fini=", &p)) {
-            s->fini_symbol = copy_linker_arg(p);
+            copy_linker_arg(&s->fini_symbol, p, 0);
             ignoring = 1;
         } else if (link_option(option, "image-base=", &p)
@@ -1537 +1343 @@
             s->has_text_addr = 1;
         } else if (link_option(option, "init=", &p)) {
-            s->init_symbol = copy_linker_arg(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 defined(TCC_TARGET_X86_64)
+#elif PTR_SIZE == 8
             if (strstart("elf64-", &p)) {
 #else
@@ -1557 +1363 @@
                 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)) {
-            s->rpath = copy_linker_arg(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)) {
-            s->soname = copy_linker_arg(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);
@@ -1574 +1390 @@
             } else if (!strcmp(p, "console")) {
                 s->pe_subsystem = 3;
-            } else if (!strcmp(p, "gui")) {
+            } else if (!strcmp(p, "gui") || !strcmp(p, "windows")) {
                 s->pe_subsystem = 2;
             } else if (!strcmp(p, "posix")) {
@@ -1593 +1409 @@
                 goto err;
 #endif
-        } else
-            goto err;
-
-        if (ignoring && s->warn_unsupported) err: {
-            char buf[100], *e;
-            pstrcpy(buf, sizeof buf, e = copy_linker_arg(option)), tcc_free(e);
-            if (ignoring)
-                tcc_warning("unsupported linker option '%s'", buf);
-            else
-                tcc_error("unsupported linker option '%s'", buf);
+        } 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 0;
+    return 1;
 }
 
@@ -1617 +1434 @@
 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,
@@ -1628 +1448 @@
     TCC_OPTION_g,
     TCC_OPTION_c,
+    TCC_OPTION_dumpversion,
+    TCC_OPTION_d,
     TCC_OPTION_static,
+    TCC_OPTION_std,
     TCC_OPTION_shared,
     TCC_OPTION_soname,
@@ -1634 +1457 @@
     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_v,
     TCC_OPTION_w,
     TCC_OPTION_pipe,
@@ -1654 +1482 @@
     TCC_OPTION_MF,
     TCC_OPTION_x,
-    TCC_OPTION_dumpversion,
+    TCC_OPTION_ar,
+    TCC_OPTION_impdef
 };
 
@@ -1664 +1493 @@
     { "-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 },
@@ -1679 +1511 @@
     { "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},
@@ -1689 +1525 @@
     { "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 },
-    { "m", TCC_OPTION_m, TCC_OPTION_HAS_ARG },
+#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 }, 
-    { "v", TCC_OPTION_v, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP },
+    { "print-search-dirs", TCC_OPTION_print_search_dirs, 0 },
     { "w", TCC_OPTION_w, 0 },
     { "pipe", TCC_OPTION_pipe, 0},
@@ -1705 +1546 @@
     { "MF", TCC_OPTION_MF, TCC_OPTION_HAS_ARG },
     { "x", TCC_OPTION_x, TCC_OPTION_HAS_ARG },
-    { "dumpversion", TCC_OPTION_dumpversion, 0},
+    { "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 }
 };
 
@@ -1719 +1592 @@
 }
 
-PUB_FUNC int tcc_parse_args(TCCState *s, int argc, char **argv)
+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;
-    int run = 0;
-    int pthread = 0;
-    int optind = 0;
-
-    /* collect -Wl options for input such as "-Wl,-rpath -Wl,<path>" */
-    CString linker_arg;
+    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++];
+        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') {
-            /* add a new file */
-            dynarray_add((void ***)&s->files, &s->nb_files, tcc_strdup(r));
+            if (r[0] != '@') /* allow "tcc file(s) -run @ args ..." */
+                args_parser_add_file(s, r, s->filetype);
             if (run) {
-                optind--;
-                /* argv[0] will be this file */
+                tcc_set_options(s, run);
+                arg_start = optind - 1;
                 break;
             }
@@ -1757 +1712 @@
                 if (*r1 == '\0' && !(popt->flags & TCC_OPTION_NOSEP)) {
                     if (optind >= argc)
+                arg_err:
                         tcc_error("argument to '%s' is missing", r);
                     optarg = argv[optind++];
@@ -1767 +1723 @@
         switch(popt->index) {
         case TCC_OPTION_HELP:
-            return 0;
+            return OPT_HELP;
+        case TCC_OPTION_HELP2:
+            return OPT_HELP2;
         case TCC_OPTION_I:
-            if (tcc_add_include_path(s, optarg) < 0)
-                tcc_error("too many include paths");
+            tcc_add_include_path(s, optarg);
             break;
         case TCC_OPTION_D:
@@ -1786 +1743 @@
             break;
         case TCC_OPTION_l:
-            dynarray_add((void ***)&s->files, &s->nb_files, tcc_strdup(r));
+            args_parser_add_file(s, optarg, AFF_TYPE_LIB);
             s->nb_libraries++;
             break;
         case TCC_OPTION_pthread:
             parse_option_D(s, "_REENTRANT");
-            pthread = 1;
+            s->option_pthread = 1;
             break;
         case TCC_OPTION_bench:
@@ -1811 +1768 @@
             break;
         case TCC_OPTION_c:
-            s->output_type = TCC_OUTPUT_OBJ;
+            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:
-            s->output_type = TCC_OUTPUT_DLL;
-            break;
+            x = TCC_OUTPUT_DLL;
+            goto set_output_type;
         case TCC_OPTION_soname:
             s->soname = tcc_strdup(optarg);
             break;
-        case TCC_OPTION_m:
-            s->option_m = 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;
@@ -1831 +1809 @@
             /* generate a .o merging several output files */
             s->option_r = 1;
-            s->output_type = TCC_OUTPUT_OBJ;
-            break;
+            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;
@@ -1842 +1824 @@
             s->nostdlib = 1;
             break;
-        case TCC_OPTION_print_search_dirs:
-            s->print_search_dirs = 1;
-            break;
         case TCC_OPTION_run:
-            s->output_type = TCC_OUTPUT_MEMORY;
-            tcc_set_options(s, optarg);
-            run = 1;
-            break;
+#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 (tcc_set_flag(s, optarg, 1) < 0 && s->warn_unsupported)
+            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 (tcc_set_warning(s, optarg, 1) < 0 && 
-                s->warn_unsupported)
+            if (set_flag(s, options_W, optarg) < 0)
                 goto unsupported_option;
             break;
@@ -1871 +1873 @@
             if (linker_arg.size)
                 --linker_arg.size, cstr_ccat(&linker_arg, ',');
-            cstr_cat(&linker_arg, optarg);
-            cstr_ccat(&linker_arg, '\0');
-            break;
+            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:
-            s->output_type = TCC_OUTPUT_PREPROCESS;
+            x = TCC_OUTPUT_PREPROCESS;
+            goto set_output_type;
+        case TCC_OPTION_P:
+            s->Pflag = atoi(optarg) + 1;
             break;
         case TCC_OPTION_MD:
@@ -1886 +1895 @@
             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:
-        case TCC_OPTION_x:
             /* ignored */
             break;
         default:
-            if (s->warn_unsupported) {
-            unsupported_option:
+unsupported_option:
+            if (s->warn_unsupported)
                 tcc_warning("unsupported option '%s'", r);
-            }
             break;
         }
     }
-
-    if (pthread && s->output_type != TCC_OUTPUT_OBJ)
-        tcc_set_options(s, "-lpthread");
-
-    tcc_set_linker(s, (const char *)linker_arg.data);
-    cstr_free(&linker_arg);
-
-    return optind;
-}
-
-LIBTCCAPI int tcc_set_options(TCCState *s, const char *str)
-{
-    const char *s1;
-    char **argv, *arg;
-    int argc, len;
-    int ret;
-
-    argc = 0, argv = NULL;
-    for(;;) {
-        while (is_space(*str))
-            str++;
-        if (*str == '\0')
-            break;
-        s1 = str;
-        while (*str != '\0' && !is_space(*str))
-            str++;
-        len = str - s1;
-        arg = tcc_malloc(len + 1);
-        pstrncpy(arg, s1, len);
-        dynarray_add((void ***)&argv, &argc, arg);
-    }
-    ret = tcc_parse_args(s, argc, argv);
+    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);
-    return ret;
-}
-
-PUB_FUNC void tcc_print_stats(TCCState *s, int64_t total_time)
-{
-    double tt;
-    tt = (double)total_time / 1000000.0;
-    if (tt < 0.001)
-        tt = 0.001;
+}
+
+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;
-    printf("%d idents, %d lines, %d bytes, %0.3f s, %d lines/s, %0.1f MB/s\n", 
+    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,
-           tt, (int)(total_lines / tt),
-           total_bytes / tt / 1000000.0);
-}
+           (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
+}