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-rw-r--r--src/libtcc.c2322
1 files changed, 0 insertions, 2322 deletions
diff --git a/src/libtcc.c b/src/libtcc.c
deleted file mode 100644
index 1497637..0000000
--- a/src/libtcc.c
+++ /dev/null
@@ -1,2322 +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
- */
-
-#include "tcc.h"
-
-/********************************************************/
-/* global variables */
-
-/* use GNU C extensions */
-ST_DATA int gnu_ext = 1;
-
-/* use TinyCC extensions */
-ST_DATA int tcc_ext = 1;
-
-/* XXX: get rid of this ASAP */
-ST_DATA struct TCCState *tcc_state;
-
-/********************************************************/
-
-#ifdef ONE_SOURCE
-#include "tccpp.c"
-#include "tccgen.c"
-#include "tccelf.c"
-#include "tccrun.c"
-#ifdef TCC_TARGET_I386
-#include "x86/i386-gen.c"
-#endif
-#ifdef TCC_TARGET_ARM
-#include "arm/arm-gen.c"
-#endif
-#ifdef TCC_TARGET_ARM64
-#include "arm/arm64-gen.c"
-#endif
-#ifdef TCC_TARGET_C67
-#include "tms320c67/c67-gen.c"
-#endif
-#ifdef TCC_TARGET_X86_64
-#include "x86/x86_64-gen.c"
-#endif
-#ifdef CONFIG_TCC_ASM
-#include "tccasm.c"
-#if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
-#include "x86/i386-asm.c"
-#endif
-#endif
-#ifdef TCC_TARGET_COFF
-#include "tcccoff.c"
-#endif
-#ifdef TCC_TARGET_PE
-#include "tccpe.c"
-#endif
-#endif /* ONE_SOURCE */
-
-/********************************************************/
-#ifndef CONFIG_TCC_ASM
-ST_FUNC void asm_instr(void)
-{
- tcc_error("inline asm() not supported");
-}
-ST_FUNC void asm_global_instr(void)
-{
- tcc_error("inline asm() not supported");
-}
-#endif
-
-/********************************************************/
-#ifdef _WIN32
-static char *normalize_slashes(char *path)
-{
- char *p;
- for (p = path; *p; ++p)
- if (*p == '\\')
- *p = '/';
- return path;
-}
-
-static HMODULE tcc_module;
-
-/* on win32, we suppose the lib and includes are at the location of 'tcc.exe' */
-static void tcc_set_lib_path_w32(TCCState *s)
-{
- char path[1024], *p;
- GetModuleFileNameA(tcc_module, path, sizeof path);
- p = tcc_basename(normalize_slashes(strlwr(path)));
- if (p - 5 > path && 0 == strncmp(p - 5, "/bin/", 5))
- p -= 5;
- else if (p > path)
- p--;
- *p = 0;
- tcc_set_lib_path(s, path);
-}
-
-#ifdef TCC_TARGET_PE
-static void tcc_add_systemdir(TCCState *s)
-{
- char buf[1000];
- GetSystemDirectory(buf, sizeof buf);
- tcc_add_library_path(s, normalize_slashes(buf));
-}
-#endif
-
-#ifndef CONFIG_TCC_STATIC
-void dlclose(void *p)
-{
- FreeLibrary((HMODULE)p);
-}
-#endif
-
-#ifdef LIBTCC_AS_DLL
-BOOL WINAPI DllMain (HINSTANCE hDll, DWORD dwReason, LPVOID lpReserved)
-{
- if (DLL_PROCESS_ATTACH == dwReason)
- tcc_module = hDll;
- return TRUE;
-}
-#endif
-#endif
-
-/********************************************************/
-/* copy a string and truncate it. */
-PUB_FUNC char *pstrcpy(char *buf, int buf_size, const char *s)
-{
- char *q, *q_end;
- int c;
-
- if (buf_size > 0) {
- q = buf;
- q_end = buf + buf_size - 1;
- while (q < q_end) {
- c = *s++;
- if (c == '\0')
- break;
- *q++ = c;
- }
- *q = '\0';
- }
- return buf;
-}
-
-/* strcat and truncate. */
-PUB_FUNC char *pstrcat(char *buf, int buf_size, const char *s)
-{
- int len;
- len = strlen(buf);
- if (len < buf_size)
- pstrcpy(buf + len, buf_size - len, s);
- return buf;
-}
-
-PUB_FUNC char *pstrncpy(char *out, const char *in, size_t num)
-{
- memcpy(out, in, num);
- out[num] = '\0';
- return out;
-}
-
-/* extract the basename of a file */
-PUB_FUNC char *tcc_basename(const char *name)
-{
- char *p = strchr(name, 0);
- while (p > name && !IS_DIRSEP(p[-1]))
- --p;
- return p;
-}
-
-/* extract extension part of a file
- *
- * (if no extension, return pointer to end-of-string)
- */
-PUB_FUNC char *tcc_fileextension (const char *name)
-{
- char *b = tcc_basename(name);
- char *e = strrchr(b, '.');
- return e ? e : strchr(b, 0);
-}
-
-/********************************************************/
-/* memory management */
-
-#undef free
-#undef malloc
-#undef realloc
-
-#ifndef MEM_DEBUG
-
-PUB_FUNC void tcc_free(void *ptr)
-{
- free(ptr);
-}
-
-PUB_FUNC void *tcc_malloc(unsigned long size)
-{
- void *ptr;
- ptr = malloc(size);
- if (!ptr && size)
- tcc_error("memory full (malloc)");
- return ptr;
-}
-
-PUB_FUNC void *tcc_mallocz(unsigned long size)
-{
- void *ptr;
- ptr = tcc_malloc(size);
- memset(ptr, 0, size);
- return ptr;
-}
-
-PUB_FUNC void *tcc_realloc(void *ptr, unsigned long size)
-{
- void *ptr1;
- ptr1 = realloc(ptr, size);
- if (!ptr1 && size)
- tcc_error("memory full (realloc)");
- return ptr1;
-}
-
-PUB_FUNC char *tcc_strdup(const char *str)
-{
- char *ptr;
- ptr = tcc_malloc(strlen(str) + 1);
- strcpy(ptr, str);
- return ptr;
-}
-
-PUB_FUNC void tcc_memstats(int bench)
-{
-}
-
-#else
-
-#define MEM_DEBUG_MAGIC1 0xFEEDDEB1
-#define MEM_DEBUG_MAGIC2 0xFEEDDEB2
-#define MEM_DEBUG_FILE_LEN 15
-
-struct mem_debug_header {
- size_t magic1;
- size_t size;
- struct mem_debug_header *prev;
- struct mem_debug_header *next;
- size_t line_num;
- char file_name[MEM_DEBUG_FILE_LEN + 1];
- size_t magic2;
-};
-
-typedef struct mem_debug_header mem_debug_header_t;
-
-static mem_debug_header_t *mem_debug_chain;
-static size_t mem_cur_size;
-static size_t mem_max_size;
-
-PUB_FUNC void *tcc_malloc_debug(unsigned long size, const char *file, int line)
-{
- void *ptr;
- mem_debug_header_t *header;
-
- ptr = malloc(sizeof(mem_debug_header_t) + size);
- if (!ptr)
- tcc_error("memory full (malloc)");
-
- mem_cur_size += size;
- if (mem_cur_size > mem_max_size)
- mem_max_size = mem_cur_size;
-
- header = (mem_debug_header_t *)ptr;
-
- header->magic1 = MEM_DEBUG_MAGIC1;
- header->magic2 = MEM_DEBUG_MAGIC2;
- header->size = size;
- header->line_num = line;
-
- strncpy(header->file_name, file, 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;
-
- ptr = (char *)ptr + sizeof(mem_debug_header_t);
- return ptr;
-}
-
-PUB_FUNC void tcc_free_debug(void *ptr)
-{
- mem_debug_header_t *header;
-
- if (!ptr)
- return;
-
- ptr = (char *)ptr - sizeof(mem_debug_header_t);
- header = (mem_debug_header_t *)ptr;
- if (header->magic1 != MEM_DEBUG_MAGIC1 ||
- header->magic2 != MEM_DEBUG_MAGIC2 ||
- header->size == (size_t)-1 )
- {
- tcc_error("tcc_free check failed");
- }
-
- mem_cur_size -= header->size;
- header->size = (size_t)-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(ptr);
-}
-
-
-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) {
- ptr = tcc_malloc_debug(size, file, line);
- return ptr;
- }
-
- ptr = (char *)ptr - sizeof(mem_debug_header_t);
- header = (mem_debug_header_t *)ptr;
- if (header->magic1 != MEM_DEBUG_MAGIC1 ||
- header->magic2 != MEM_DEBUG_MAGIC2 ||
- header->size == (size_t)-1 )
- {
- check_error:
- tcc_error("tcc_realloc check failed");
- }
-
- mem_debug_chain_update = (header == mem_debug_chain);
-
- mem_cur_size -= header->size;
- ptr = realloc(ptr, sizeof(mem_debug_header_t) + size);
- if (!ptr)
- tcc_error("memory full (realloc)");
-
- header = (mem_debug_header_t *)ptr;
- if (header->magic1 != MEM_DEBUG_MAGIC1 ||
- header->magic2 != MEM_DEBUG_MAGIC2)
- {
- goto check_error;
- }
-
- mem_cur_size += size;
- if (mem_cur_size > mem_max_size)
- mem_max_size = mem_cur_size;
-
- header->size = size;
- if (header->next)
- header->next->prev = header;
-
- if (header->prev)
- header->prev->next = header;
-
- if (mem_debug_chain_update)
- mem_debug_chain = header;
-
- ptr = (char *)ptr + sizeof(mem_debug_header_t);
- return ptr;
-}
-
-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_memstats(int bench)
-{
- 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, " file %s, line %u: %u bytes\n",
- header->file_name, header->line_num, header->size);
- header = header->next;
- }
- }
- else if (bench)
- fprintf(stderr, "mem_max_size= %d bytes\n", mem_max_size);
-}
-
-#undef MEM_DEBUG_MAGIC1
-#undef MEM_DEBUG_MAGIC2
-#undef MEM_DEBUG_FILE_LEN
-
-#endif
-
-#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 = *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 *));
- *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; ++p) {
- if (c == '{' && p[1] && p[2] == '}') {
- c = p[1], p += 2;
- if (c == 'B')
- cstr_cat(&str, s->tcc_lib_path);
- } else {
- cstr_ccat(&str, c);
- }
- }
- cstr_ccat(&str, '\0');
- dynarray_add(p_ary, p_nb_ary, str.data);
- 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, addr_t size)
-{
- size_t 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];
-
-#ifdef CONFIG_TCC_BCHECK
- char buf[32];
-#endif
-
- 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) {
- /* 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:
- case TOK_alloca:
- strcpy(buf, "__bound_");
- strcat(buf, name);
- name = buf;
- break;
- }
- }
-#endif
- other = 0;
-
-#ifdef TCC_TARGET_PE
- if (sym->type.t & VT_EXPORT)
- other |= ST_PE_EXPORT;
- if (sym_type == STT_FUNC && sym->type.ref) {
- Sym *ref = sym->type.ref;
- if (ref->a.func_export)
- other |= ST_PE_EXPORT;
- if (ref->a.func_call == FUNC_STDCALL && can_add_underscore) {
- sprintf(buf1, "_%s@%d", name, ref->a.func_args * PTR_SIZE);
- name = buf1;
- other |= ST_PE_STDCALL;
- can_add_underscore = 0;
- }
- } else {
- if (find_elf_sym(tcc_state->dynsymtab_section, name))
- other |= ST_PE_IMPORT;
- if (sym->type.t & VT_IMPORT)
- other |= ST_PE_IMPORT;
- }
-#else
- if (! (sym->type.t & VT_STATIC))
- other = (sym->type.t & VT_VIS_MASK) >> VT_VIS_SHIFT;
-#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 greloca(Section *s, Sym *sym, unsigned long offset, int type,
- addr_t addend)
-{
- 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_reloca(symtab_section, s, offset, type, c, addend);
-}
-
-ST_FUNC void greloc(Section *s, Sym *sym, unsigned long offset, int type)
-{
- greloca(s, sym, offset, type, 0);
-}
-
-/********************************************************/
-
-static void strcat_vprintf(char *buf, int buf_size, const char *fmt, va_list ap)
-{
- int len;
- len = strlen(buf);
- vsnprintf(buf + len, buf_size - len, fmt, ap);
-}
-
-static void strcat_printf(char *buf, int buf_size, const char *fmt, ...)
-{
- va_list ap;
- va_start(ap, fmt);
- strcat_vprintf(buf, buf_size, fmt, ap);
- va_end(ap);
-}
-
-static void error1(TCCState *s1, int is_warning, const char *fmt, va_list ap)
-{
- char buf[2048];
- BufferedFile **pf, *f;
-
- buf[0] = '\0';
- /* use upper file if inline ":asm:" or token ":paste:" */
- for (f = file; f && f->filename[0] == ':'; f = f->prev)
- ;
- if (f) {
- for(pf = s1->include_stack; pf < s1->include_stack_ptr; pf++)
- strcat_printf(buf, sizeof(buf), "In file included from %s:%d:\n",
- (*pf)->filename, (*pf)->line_num);
- if (f->line_num > 0) {
- strcat_printf(buf, sizeof(buf), "%s:%d: ",
- f->filename, f->line_num);
- } else {
- strcat_printf(buf, sizeof(buf), "%s: ",
- f->filename);
- }
- } else {
- strcat_printf(buf, sizeof(buf), "tcc: ");
- }
- if (is_warning)
- strcat_printf(buf, sizeof(buf), "warning: ");
- else
- strcat_printf(buf, sizeof(buf), "error: ");
- strcat_vprintf(buf, sizeof(buf), fmt, ap);
-
- if (!s1->error_func) {
- /* default case: stderr */
- if (s1->ppfp) /* print a newline during tcc -E */
- fprintf(s1->ppfp, "\n"), fflush(s1->ppfp);
- fprintf(stderr, "%s\n", buf);
- fflush(stderr); /* print error/warning now (win32) */
- } else {
- s1->error_func(s1->error_opaque, buf);
- }
- if (!is_warning || s1->warn_error)
- s1->nb_errors++;
-}
-
-LIBTCCAPI void tcc_set_error_func(TCCState *s, void *error_opaque,
- void (*error_func)(void *opaque, const char *msg))
-{
- s->error_opaque = error_opaque;
- s->error_func = error_func;
-}
-
-/* error without aborting current compilation */
-PUB_FUNC void tcc_error_noabort(const char *fmt, ...)
-{
- TCCState *s1 = tcc_state;
- va_list ap;
-
- va_start(ap, fmt);
- error1(s1, 0, fmt, ap);
- va_end(ap);
-}
-
-PUB_FUNC void tcc_error(const char *fmt, ...)
-{
- TCCState *s1 = tcc_state;
- va_list ap;
-
- va_start(ap, fmt);
- error1(s1, 0, fmt, ap);
- va_end(ap);
- /* better than nothing: in some cases, we accept to handle errors */
- if (s1->error_set_jmp_enabled) {
- longjmp(s1->error_jmp_buf, 1);
- } else {
- /* XXX: eliminate this someday */
- exit(1);
- }
-}
-
-PUB_FUNC void tcc_warning(const char *fmt, ...)
-{
- TCCState *s1 = tcc_state;
- va_list ap;
-
- if (s1->warn_none)
- return;
-
- va_start(ap, fmt);
- error1(s1, 1, fmt, ap);
- va_end(ap);
-}
-
-/********************************************************/
-/* I/O layer */
-
-ST_FUNC void tcc_open_bf(TCCState *s1, const char *filename, int initlen)
-{
- BufferedFile *bf;
- int buflen = initlen ? initlen : IO_BUF_SIZE;
-
- bf = tcc_mallocz(sizeof(BufferedFile) + buflen);
- bf->buf_ptr = bf->buffer;
- bf->buf_end = bf->buffer + initlen;
- bf->buf_end[0] = CH_EOB; /* put eob symbol */
- pstrcpy(bf->filename, sizeof(bf->filename), filename);
-#ifdef _WIN32
- normalize_slashes(bf->filename);
-#endif
- bf->line_num = 1;
- bf->ifdef_stack_ptr = s1->ifdef_stack_ptr;
- bf->fd = -1;
- bf->prev = file;
- file = bf;
-}
-
-ST_FUNC void tcc_close(void)
-{
- BufferedFile *bf = file;
- if (bf->fd > 0) {
- close(bf->fd);
- total_lines += bf->line_num;
- }
- file = bf->prev;
- tcc_free(bf);
-}
-
-ST_FUNC int tcc_open(TCCState *s1, const char *filename)
-{
- int fd;
- if (strcmp(filename, "-") == 0)
- fd = 0, filename = "<stdin>";
- else
- fd = open(filename, O_RDONLY | O_BINARY);
- if ((s1->verbose == 2 && fd >= 0) || s1->verbose == 3)
- printf("%s %*s%s\n", fd < 0 ? "nf":"->",
- (int)(s1->include_stack_ptr - s1->include_stack), "", filename);
- if (fd < 0)
- return -1;
-
- tcc_open_bf(s1, filename, 0);
- file->fd = fd;
- return fd;
-}
-
-/* compile the C file opened in 'file'. Return non zero if errors. */
-static int tcc_compile(TCCState *s1)
-{
- Sym *define_start;
- 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(s1);
-#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
-
- define_start = define_stack;
- nocode_wanted = 1;
-
- if (setjmp(s1->error_jmp_buf) == 0) {
- s1->nb_errors = 0;
- 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 | PARSE_FLAG_TOK_STR;
- next();
- decl(VT_CONST);
- if (tok != TOK_EOF)
- expect("declaration");
- check_vstack();
-
- /* 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);
- }
- }
-
- 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);
-
- return s1->nb_errors != 0 ? -1 : 0;
-}
-
-LIBTCCAPI int tcc_compile_string(TCCState *s, const char *str)
-{
- int len, ret;
-
- len = strlen(str);
- tcc_open_bf(s, "<string>", len);
- memcpy(file->buffer, str, len);
- ret = tcc_compile(s);
- tcc_close();
- return ret;
-}
-
-/* define a preprocessor symbol. A value can also be provided with the '=' operator */
-LIBTCCAPI void tcc_define_symbol(TCCState *s1, const char *sym, const char *value)
-{
- int len1, len2;
- /* default value */
- if (!value)
- value = "1";
- len1 = strlen(sym);
- len2 = strlen(value);
-
- /* init file structure */
- tcc_open_bf(s1, "<define>", len1 + len2 + 1);
- memcpy(file->buffer, sym, len1);
- file->buffer[len1] = ' ';
- memcpy(file->buffer + len1 + 1, value, len2);
-
- /* parse with define parser */
- ch = file->buf_ptr[0];
- next_nomacro();
- parse_define();
-
- tcc_close();
-}
-
-/* undefine a preprocessor symbol */
-LIBTCCAPI void tcc_undefine_symbol(TCCState *s1, const char *sym)
-{
- TokenSym *ts;
- Sym *s;
- ts = tok_alloc(sym, strlen(sym));
- s = define_find(ts->tok);
- /* undefine symbol by putting an invalid name */
- if (s)
- define_undef(s);
-}
-
-/* cleanup all static data used during compilation */
-static void tcc_cleanup(void)
-{
- if (NULL == tcc_state)
- return;
- tcc_state = NULL;
-
- preprocess_delete();
-
- /* free sym_pools */
- dynarray_reset(&sym_pools, &nb_sym_pools);
- /* string buffer */
- cstr_free(&tokcstr);
- /* reset symbol stack */
- sym_free_first = NULL;
-}
-
-LIBTCCAPI TCCState *tcc_new(void)
-{
- TCCState *s;
- char buffer[100];
- int a,b,c;
-
- tcc_cleanup();
-
- s = tcc_mallocz(sizeof(TCCState));
- if (!s)
- return NULL;
- tcc_state = s;
-#ifdef _WIN32
- tcc_set_lib_path_w32(s);
-#else
- tcc_set_lib_path(s, CONFIG_TCCDIR);
-#endif
- s->output_type = 0;
- preprocess_new();
- s->include_stack_ptr = s->include_stack;
-
- /* we add dummy defines for some special macros to speed up tests
- and to have working defined() */
- define_push(TOK___LINE__, MACRO_OBJ, NULL, NULL);
- define_push(TOK___FILE__, MACRO_OBJ, NULL, NULL);
- define_push(TOK___DATE__, MACRO_OBJ, NULL, NULL);
- define_push(TOK___TIME__, MACRO_OBJ, NULL, NULL);
-
- /* define __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);
-
- /* standard defines */
- tcc_define_symbol(s, "__STDC__", NULL);
- tcc_define_symbol(s, "__STDC_VERSION__", "199901L");
- tcc_define_symbol(s, "__STDC_HOSTED__", NULL);
-
- /* target defines */
-#if defined(TCC_TARGET_I386)
- tcc_define_symbol(s, "__i386__", NULL);
- tcc_define_symbol(s, "__i386", NULL);
- tcc_define_symbol(s, "i386", NULL);
-#elif defined(TCC_TARGET_X86_64)
- tcc_define_symbol(s, "__x86_64__", NULL);
-#elif defined(TCC_TARGET_ARM)
- tcc_define_symbol(s, "__ARM_ARCH_4__", NULL);
- tcc_define_symbol(s, "__arm_elf__", NULL);
- tcc_define_symbol(s, "__arm_elf", NULL);
- tcc_define_symbol(s, "arm_elf", NULL);
- tcc_define_symbol(s, "__arm__", NULL);
- tcc_define_symbol(s, "__arm", NULL);
- tcc_define_symbol(s, "arm", NULL);
- tcc_define_symbol(s, "__APCS_32__", NULL);
- tcc_define_symbol(s, "__ARMEL__", NULL);
-#if defined(TCC_ARM_EABI)
- tcc_define_symbol(s, "__ARM_EABI__", NULL);
-#endif
-#if defined(TCC_ARM_HARDFLOAT)
- s->float_abi = ARM_HARD_FLOAT;
- tcc_define_symbol(s, "__ARM_PCS_VFP", NULL);
-#else
- s->float_abi = ARM_SOFTFP_FLOAT;
-#endif
-#elif defined(TCC_TARGET_ARM64)
- tcc_define_symbol(s, "__aarch64__", NULL);
-#endif
-
-#ifdef TCC_TARGET_PE
- tcc_define_symbol(s, "_WIN32", NULL);
-# ifdef TCC_TARGET_X86_64
- tcc_define_symbol(s, "_WIN64", NULL);
-# endif
-#else
- tcc_define_symbol(s, "__unix__", NULL);
- tcc_define_symbol(s, "__unix", NULL);
- tcc_define_symbol(s, "unix", NULL);
-# if defined(__linux)
- tcc_define_symbol(s, "__linux__", NULL);
- tcc_define_symbol(s, "__linux", NULL);
-# endif
-# if defined(__FreeBSD__)
-# define str(s) #s
- tcc_define_symbol(s, "__FreeBSD__", str( __FreeBSD__));
-# undef str
-# endif
-# if defined(__FreeBSD_kernel__)
- tcc_define_symbol(s, "__FreeBSD_kernel__", NULL);
-# endif
-#endif
-
- /* TinyCC & gcc defines */
-#if defined TCC_TARGET_PE && defined TCC_TARGET_X86_64
- tcc_define_symbol(s, "__SIZE_TYPE__", "unsigned long long");
- tcc_define_symbol(s, "__PTRDIFF_TYPE__", "long long");
-#else
- tcc_define_symbol(s, "__SIZE_TYPE__", "unsigned long");
- tcc_define_symbol(s, "__PTRDIFF_TYPE__", "long");
-#endif
-
-#ifdef TCC_TARGET_PE
- tcc_define_symbol(s, "__WCHAR_TYPE__", "unsigned short");
- tcc_define_symbol(s, "__WINT_TYPE__", "unsigned short");
-#else
- tcc_define_symbol(s, "__WCHAR_TYPE__", "int");
- /* wint_t is unsigned int by default, but (signed) int on BSDs
- and unsigned short on windows. Other OSes might have still
- other conventions, sigh. */
-#if defined(__FreeBSD__) || defined (__FreeBSD_kernel__)
- tcc_define_symbol(s, "__WINT_TYPE__", "int");
-#else
- tcc_define_symbol(s, "__WINT_TYPE__", "unsigned int");
-#endif
-#endif
-
-#ifndef TCC_TARGET_PE
- /* 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");
- /* 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->warn_implicit_function_declaration = 1;
-
-#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
-#ifdef TCC_IS_NATIVE
- s->runtime_main = "main";
-#endif
- return s;
-}
-
-LIBTCCAPI void tcc_delete(TCCState *s1)
-{
- int i;
- int bench = s1->do_bench;
-
- tcc_cleanup();
-
- /* close a preprocessor output */
- if (s1->ppfp && s1->ppfp != stdout)
- fclose(s1->ppfp);
-
- /* 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 */
-#ifdef TCC_IS_NATIVE
- for ( i = 0; i < s1->nb_loaded_dlls; i++) {
- DLLReference *ref = s1->loaded_dlls[i];
- if ( ref->handle )
- dlclose(ref->handle);
- }
-#endif
-
- /* free loaded dlls array */
- dynarray_reset(&s1->loaded_dlls, &s1->nb_loaded_dlls);
-
- /* free library paths */
- dynarray_reset(&s1->library_paths, &s1->nb_library_paths);
- dynarray_reset(&s1->crt_paths, &s1->nb_crt_paths);
-
- /* free include paths */
- dynarray_reset(&s1->cached_includes, &s1->nb_cached_includes);
- dynarray_reset(&s1->include_paths, &s1->nb_include_paths);
- dynarray_reset(&s1->sysinclude_paths, &s1->nb_sysinclude_paths);
-
- tcc_free(s1->tcc_lib_path);
- tcc_free(s1->soname);
- tcc_free(s1->rpath);
- tcc_free(s1->init_symbol);
- tcc_free(s1->fini_symbol);
- tcc_free(s1->outfile);
- tcc_free(s1->deps_outfile);
- dynarray_reset(&s1->files, &s1->nb_files);
- dynarray_reset(&s1->target_deps, &s1->nb_target_deps);
- dynarray_reset(&s1->pragma_libs, &s1->nb_pragma_libs);
-
-#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);
-# endif
-#endif
-
- tcc_free(s1->sym_attrs);
- tcc_free(s1);
- tcc_memstats(bench);
-}
-
-LIBTCCAPI int tcc_add_include_path(TCCState *s, const char *pathname)
-{
- tcc_split_path(s, (void ***)&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, (void ***)&s->sysinclude_paths, &s->nb_sysinclude_paths, pathname);
- return 0;
-}
-
-ST_FUNC int tcc_add_file_internal(TCCState *s1, const char *filename, int flags, int filetype)
-{
- ElfW(Ehdr) ehdr;
- int fd, ret, size;
-
- parse_flags = 0;
-#ifdef CONFIG_TCC_ASM
- /* if .S file, define __ASSEMBLER__ like gcc does */
- if ((filetype == TCC_FILETYPE_ASM) || (filetype == TCC_FILETYPE_ASM_PP)) {
- tcc_define_symbol(s1, "__ASSEMBLER__", NULL);
- parse_flags = PARSE_FLAG_ASM_FILE;
- }
-#endif
-
- /* open the file */
- ret = tcc_open(s1, filename);
- if (ret < 0) {
- if (flags & AFF_PRINT_ERROR)
- tcc_error_noabort("file '%s' not found", filename);
- return ret;
- }
-
- /* update target deps */
- dynarray_add((void ***)&s1->target_deps, &s1->nb_target_deps,
- tcc_strdup(filename));
-
- if (flags & AFF_PREPROCESS) {
- ret = tcc_preprocess(s1);
- goto the_end;
- }
-
- if (filetype == TCC_FILETYPE_C) {
- /* C file assumed */
- ret = tcc_compile(s1);
- goto the_end;
- }
-
-#ifdef CONFIG_TCC_ASM
- if (filetype == TCC_FILETYPE_ASM_PP) {
- /* non preprocessed assembler */
- ret = tcc_assemble(s1, 1);
- goto the_end;
- }
-
- if (filetype == TCC_FILETYPE_ASM) {
- /* 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) {
- ret = tcc_load_object_file(s1, fd, 0);
- goto the_end;
-
- }
-#ifndef TCC_TARGET_PE
- if (ehdr.e_type == ET_DYN) {
- if (s1->output_type == TCC_OUTPUT_MEMORY) {
-#ifdef TCC_IS_NATIVE
- void *h;
- h = dlopen(filename, RTLD_GLOBAL | RTLD_LAZY);
- if (h)
-#endif
- ret = 0;
- } else {
- ret = tcc_load_dll(s1, fd, filename,
- (flags & AFF_REFERENCED_DLL) != 0);
- }
- goto the_end;
- }
-#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:
- tcc_close();
- return ret;
-}
-
-LIBTCCAPI int tcc_add_file(TCCState *s, const char *filename, int filetype)
-{
- if (s->output_type == TCC_OUTPUT_PREPROCESS)
- return tcc_add_file_internal(s, filename, AFF_PRINT_ERROR | AFF_PREPROCESS, filetype);
- else
- return tcc_add_file_internal(s, filename, AFF_PRINT_ERROR, filetype);
-}
-
-LIBTCCAPI int tcc_add_library_path(TCCState *s, const char *pathname)
-{
- tcc_split_path(s, (void ***)&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, TCC_FILETYPE_BINARY) == 0)
- return 0;
- }
- return -1;
-}
-
-#ifndef TCC_TARGET_PE
-/* find and load a dll. Return non zero if not found */
-/* XXX: add '-rpath' option support ? */
-ST_FUNC int tcc_add_dll(TCCState *s, const char *filename, int flags)
-{
- return tcc_add_library_internal(s, "%s/%s", filename, flags,
- s->library_paths, s->nb_library_paths);
-}
-#endif
-
-ST_FUNC int tcc_add_crt(TCCState *s, const char *filename)
-{
- if (-1 == tcc_add_library_internal(s, "%s/%s",
- filename, 0, s->crt_paths, s->nb_crt_paths))
- tcc_error_noabort("file '%s' not found", filename);
- return 0;
-}
-
-/* the library name is the same as the argument of the '-l' option */
-LIBTCCAPI int tcc_add_library(TCCState *s, const char *libraryname)
-{
-#ifdef 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;
-#else
- const char *libs[] = { "%s/lib%s.so", "%s/lib%s.a", NULL };
- const char **pp = s->static_link ? libs + 1 : libs;
-#endif
- while (*pp) {
- if (0 == tcc_add_library_internal(s, *pp,
- libraryname, 0, s->library_paths, s->nb_library_paths))
- return 0;
- ++pp;
- }
- return -1;
-}
-
-PUB_FUNC int tcc_add_library_err(TCCState *s, const char *libname)
-{
- int ret = tcc_add_library(s, libname);
- if (ret < 0)
- tcc_error_noabort("cannot find library 'lib%s'", libname);
- return ret;
-}
-
-/* habdle #pragma comment(lib,) */
-ST_FUNC void tcc_add_pragma_libs(TCCState *s1)
-{
- int i;
- for (i = 0; i < s1->nb_pragma_libs; i++)
- tcc_add_library_err(s1, s1->pragma_libs[i]);
-}
-
-LIBTCCAPI int tcc_add_symbol(TCCState *s, const char *name, const void *val)
-{
-#ifdef TCC_TARGET_PE
- /* On x86_64 'val' might not be reachable with a 32bit offset.
- So it is handled here as if it were in a DLL. */
- pe_putimport(s, 0, name, (uintptr_t)val);
-#else
- add_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);
- }
-
- tcc_add_library_path(s, CONFIG_TCC_LIBPATHS);
-#ifdef TCC_TARGET_PE
-# 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
-
-#ifdef CONFIG_TCC_BCHECK
- if (s->do_bounds_check && (output_type == TCC_OUTPUT_EXE))
- {
- /* force a bcheck.o linking */
- addr_t func = TOK___bound_init;
- Sym *sym = external_global_sym(func, &func_old_type, 0);
- if (!sym->c)
- put_extern_sym(sym, NULL, 0, 0);
- }
-#endif
-
- if (s->output_type == TCC_OUTPUT_PREPROCESS)
- print_defines();
-
- return 0;
-}
-
-LIBTCCAPI void tcc_set_lib_path(TCCState *s, const char *path)
-{
- tcc_free(s->tcc_lib_path);
- s->tcc_lib_path = tcc_strdup(path);
-}
-
-#define WD_ALL 0x0001 /* warning is activated when using -Wall */
-#define FD_INVERT 0x0002 /* invert value before storing */
-
-typedef struct FlagDef {
- uint16_t offset;
- uint16_t flags;
- const char *name;
-} FlagDef;
-
-static 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;
- const FlagDef *p;
- const char *r;
-
- 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;
- }
- 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" },
- { offsetof(TCCState, ms_extensions), 0, "ms-extensions" },
- { offsetof(TCCState, old_struct_init_code), 0, "old-struct-init-code" },
- { offsetof(TCCState, dollars_in_identifiers), 0, "dollars-in-identifiers" },
-};
-
-/* 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);
-}
-
-
-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;
-
- /* there should be 1 or 2 dashes */
- if (*str++ != '-')
- return 0;
- if (*str == '-')
- str++;
-
- /* then str & val should match (potentialy up to '=') */
- p = str;
- q = val;
-
- while (*q != '\0' && *q != '=') {
- if (*p != *q)
- return 0;
- p++;
- q++;
- }
-
- /* '=' near eos means ',' or '=' is ok */
- if (*q == '=') {
- if (*p != ',' && *p != '=')
- return 0;
- p++;
- q++;
- }
-
- if (ptr)
- *ptr = p;
- return 1;
-}
-
-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 char *copy_linker_arg(const char *p)
-{
- const char *q = p;
- skip_linker_arg(&q);
- return pstrncpy(tcc_malloc(q - p + 1), p, q - p);
-}
-
-/* set linker options */
-static int tcc_set_linker(TCCState *s, const char *option)
-{
- while (option && *option) {
-
- const char *p = option;
- char *end = NULL;
- int ignoring = 0;
-
- if (link_option(option, "Bsymbolic", &p)) {
- s->symbolic = 1;
- } else if (link_option(option, "nostdlib", &p)) {
- s->nostdlib = 1;
- } else if (link_option(option, "fini=", &p)) {
- s->fini_symbol = copy_linker_arg(p);
- 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)) {
- s->init_symbol = copy_linker_arg(p);
- ignoring = 1;
- } else if (link_option(option, "oformat=", &p)) {
-#if defined(TCC_TARGET_PE)
- if (strstart("pe-", &p)) {
-#elif defined(TCC_TARGET_ARM64) || defined(TCC_TARGET_X86_64)
- 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, "rpath=", &p)) {
- s->rpath = copy_linker_arg(p);
- } 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);
-#ifdef TCC_TARGET_PE
- } 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")) {
- s->pe_subsystem = 2;
- } else if (!strcmp(p, "posix")) {
- s->pe_subsystem = 7;
- } else if (!strcmp(p, "efiapp")) {
- s->pe_subsystem = 10;
- } else if (!strcmp(p, "efiboot")) {
- s->pe_subsystem = 11;
- } else if (!strcmp(p, "efiruntime")) {
- s->pe_subsystem = 12;
- } else if (!strcmp(p, "efirom")) {
- s->pe_subsystem = 13;
-#elif defined(TCC_TARGET_ARM)
- if (!strcmp(p, "wince")) {
- s->pe_subsystem = 9;
-#endif
- } else
- goto err;
-#endif
- } else
- 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);
- }
- option = skip_linker_arg(&p);
- }
- return 0;
-}
-
-typedef struct TCCOption {
- const char *name;
- uint16_t index;
- uint16_t flags;
-} TCCOption;
-
-enum {
- TCC_OPTION_HELP,
- TCC_OPTION_I,
- TCC_OPTION_D,
- TCC_OPTION_U,
- TCC_OPTION_P,
- TCC_OPTION_L,
- TCC_OPTION_B,
- TCC_OPTION_l,
- TCC_OPTION_bench,
- TCC_OPTION_bt,
- TCC_OPTION_b,
- TCC_OPTION_g,
- TCC_OPTION_c,
- TCC_OPTION_dumpversion,
- TCC_OPTION_d,
- TCC_OPTION_float_abi,
- TCC_OPTION_static,
- TCC_OPTION_std,
- TCC_OPTION_shared,
- TCC_OPTION_soname,
- TCC_OPTION_o,
- TCC_OPTION_r,
- TCC_OPTION_s,
- TCC_OPTION_traditional,
- TCC_OPTION_Wl,
- TCC_OPTION_W,
- TCC_OPTION_O,
- TCC_OPTION_m,
- TCC_OPTION_f,
- TCC_OPTION_isystem,
- TCC_OPTION_iwithprefix,
- TCC_OPTION_nostdinc,
- TCC_OPTION_nostdlib,
- TCC_OPTION_print_search_dirs,
- TCC_OPTION_rdynamic,
- TCC_OPTION_pedantic,
- TCC_OPTION_pthread,
- TCC_OPTION_run,
- TCC_OPTION_v,
- TCC_OPTION_w,
- TCC_OPTION_pipe,
- TCC_OPTION_E,
- TCC_OPTION_MD,
- TCC_OPTION_MF,
- TCC_OPTION_x,
-};
-
-#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 },
- { "I", TCC_OPTION_I, TCC_OPTION_HAS_ARG },
- { "D", TCC_OPTION_D, TCC_OPTION_HAS_ARG },
- { "U", TCC_OPTION_U, TCC_OPTION_HAS_ARG },
- { "P", TCC_OPTION_P, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP },
- { "L", TCC_OPTION_L, TCC_OPTION_HAS_ARG },
- { "B", TCC_OPTION_B, TCC_OPTION_HAS_ARG },
- { "l", TCC_OPTION_l, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP },
- { "bench", TCC_OPTION_bench, 0 },
-#ifdef CONFIG_TCC_BACKTRACE
- { "bt", TCC_OPTION_bt, TCC_OPTION_HAS_ARG },
-#endif
-#ifdef CONFIG_TCC_BCHECK
- { "b", TCC_OPTION_b, 0 },
-#endif
- { "g", TCC_OPTION_g, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP },
- { "c", TCC_OPTION_c, 0 },
- { "dumpversion", TCC_OPTION_dumpversion, 0},
- { "d", TCC_OPTION_d, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP },
-#ifdef TCC_TARGET_ARM
- { "mfloat-abi", TCC_OPTION_float_abi, TCC_OPTION_HAS_ARG },
-#endif
- { "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 },
- { "pedantic", TCC_OPTION_pedantic, 0},
- { "pthread", TCC_OPTION_pthread, 0},
- { "run", TCC_OPTION_run, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP },
- { "rdynamic", TCC_OPTION_rdynamic, 0 },
- { "r", TCC_OPTION_r, 0 },
- { "s", TCC_OPTION_s, 0 },
- { "traditional", TCC_OPTION_traditional, 0 },
- { "Wl,", TCC_OPTION_Wl, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP },
- { "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 },
- { "f", TCC_OPTION_f, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP },
- { "isystem", TCC_OPTION_isystem, TCC_OPTION_HAS_ARG },
- { "iwithprefix", TCC_OPTION_iwithprefix, 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 },
- { "w", TCC_OPTION_w, 0 },
- { "pipe", TCC_OPTION_pipe, 0},
- { "E", TCC_OPTION_E, 0},
- { "MD", TCC_OPTION_MD, 0},
- { "MF", TCC_OPTION_MF, TCC_OPTION_HAS_ARG },
- { "x", TCC_OPTION_x, TCC_OPTION_HAS_ARG },
- { NULL, 0, 0 },
-};
-
-static void parse_option_D(TCCState *s1, const char *optarg)
-{
- char *sym = tcc_strdup(optarg);
- char *value = strchr(sym, '=');
- if (value)
- *value++ = '\0';
- tcc_define_symbol(s1, sym, value);
- tcc_free(sym);
-}
-
-static void args_parser_add_file(TCCState *s, const char* filename, int filetype)
-{
- int len = strlen(filename);
- char *p = tcc_malloc(len + 2);
- if (filetype) {
- *p = filetype;
- }
- else {
- /* use a file extension to detect a filetype */
- const char *ext = tcc_fileextension(filename);
- if (ext[0]) {
- ext++;
- if (!strcmp(ext, "S"))
- *p = TCC_FILETYPE_ASM_PP;
- else
- if (!strcmp(ext, "s"))
- *p = TCC_FILETYPE_ASM;
- else
- if (!PATHCMP(ext, "c") || !PATHCMP(ext, "i"))
- *p = TCC_FILETYPE_C;
- else
- *p = TCC_FILETYPE_BINARY;
- }
- else {
- *p = TCC_FILETYPE_C;
- }
- }
- strcpy(p+1, filename);
- dynarray_add((void ***)&s->files, &s->nb_files, p);
-}
-
-PUB_FUNC int tcc_parse_args(TCCState *s, int argc, char **argv)
-{
- const TCCOption *popt;
- const char *optarg, *r;
- int run = 0;
- int pthread = 0;
- int optind = 0;
- int filetype = 0;
-
- /* collect -Wl options for input such as "-Wl,-rpath -Wl,<path>" */
- CString linker_arg;
- cstr_new(&linker_arg);
-
- while (optind < argc) {
-
- r = argv[optind++];
- if (r[0] != '-' || r[1] == '\0') {
- args_parser_add_file(s, r, filetype);
- if (run) {
- optind--;
- /* argv[0] will be this file */
- break;
- }
- continue;
- }
-
- /* find option in table */
- for(popt = tcc_options; ; ++popt) {
- const char *p1 = popt->name;
- const char *r1 = r + 1;
- if (p1 == NULL)
- tcc_error("invalid option -- '%s'", r);
- if (!strstart(p1, &r1))
- continue;
- optarg = r1;
- if (popt->flags & TCC_OPTION_HAS_ARG) {
- if (*r1 == '\0' && !(popt->flags & TCC_OPTION_NOSEP)) {
- if (optind >= argc)
- tcc_error("argument to '%s' is missing", r);
- optarg = argv[optind++];
- }
- } else if (*r1 != '\0')
- continue;
- break;
- }
-
- switch(popt->index) {
- case TCC_OPTION_HELP:
- return 0;
- case TCC_OPTION_I:
- tcc_add_include_path(s, optarg);
- break;
- case TCC_OPTION_D:
- parse_option_D(s, optarg);
- break;
- case TCC_OPTION_U:
- tcc_undefine_symbol(s, optarg);
- break;
- case TCC_OPTION_L:
- tcc_add_library_path(s, optarg);
- break;
- case TCC_OPTION_B:
- /* set tcc utilities path (mainly for tcc development) */
- tcc_set_lib_path(s, optarg);
- break;
- case TCC_OPTION_l:
- args_parser_add_file(s, r, TCC_FILETYPE_BINARY);
- s->nb_libraries++;
- break;
- case TCC_OPTION_pthread:
- parse_option_D(s, "_REENTRANT");
- pthread = 1;
- break;
- case TCC_OPTION_bench:
- s->do_bench = 1;
- break;
-#ifdef CONFIG_TCC_BACKTRACE
- case TCC_OPTION_bt:
- tcc_set_num_callers(atoi(optarg));
- break;
-#endif
-#ifdef CONFIG_TCC_BCHECK
- case TCC_OPTION_b:
- s->do_bounds_check = 1;
- s->do_debug = 1;
- break;
-#endif
- case TCC_OPTION_g:
- s->do_debug = 1;
- break;
- case TCC_OPTION_c:
- if (s->output_type)
- tcc_warning("-c: some compiler action already specified (%d)", s->output_type);
- s->output_type = TCC_OUTPUT_OBJ;
- break;
- case TCC_OPTION_d:
- if (*optarg == 'D')
- s->dflag = 1;
- else {
- if (s->warn_unsupported)
- goto unsupported_option;
- tcc_error("invalid option -- '%s'", r);
- }
- break;
-#ifdef TCC_TARGET_ARM
- case TCC_OPTION_float_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_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:
- if (s->output_type)
- tcc_warning("-shared: some compiler action already specified (%d)", s->output_type);
- s->output_type = TCC_OUTPUT_DLL;
- break;
- 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;
- case TCC_OPTION_r:
- /* generate a .o merging several output files */
- if (s->output_type)
- tcc_warning("-r: some compiler action already specified (%d)", s->output_type);
- s->option_r = 1;
- s->output_type = TCC_OUTPUT_OBJ;
- break;
- case TCC_OPTION_isystem:
- tcc_add_sysinclude_path(s, optarg);
- break;
- case TCC_OPTION_iwithprefix:
- if (1) {
- char buf[1024];
- int buf_size = sizeof(buf)-1;
- char *p = &buf[0];
-
- char *sysroot = "{B}/";
- int len = strlen(sysroot);
- if (len > buf_size)
- len = buf_size;
- strncpy(p, sysroot, len);
- p += len;
- buf_size -= len;
-
- len = strlen(optarg);
- if (len > buf_size)
- len = buf_size;
- strncpy(p, optarg, len+1);
- tcc_add_sysinclude_path(s, buf);
- }
- break;
- case TCC_OPTION_nostdinc:
- s->nostdinc = 1;
- break;
- case TCC_OPTION_nostdlib:
- s->nostdlib = 1;
- break;
- case TCC_OPTION_print_search_dirs:
- s->print_search_dirs = 1;
- break;
- case TCC_OPTION_run:
- if (s->output_type)
- tcc_warning("-run: some compiler action already specified (%d)", s->output_type);
- s->output_type = TCC_OUTPUT_MEMORY;
- tcc_set_options(s, optarg);
- run = 1;
- break;
- case TCC_OPTION_v:
- do ++s->verbose; while (*optarg++ == 'v');
- break;
- case TCC_OPTION_f:
- if (tcc_set_flag(s, optarg, 1) < 0 && s->warn_unsupported)
- goto unsupported_option;
- break;
- case TCC_OPTION_W:
- if (tcc_set_warning(s, optarg, 1) < 0 &&
- s->warn_unsupported)
- goto unsupported_option;
- break;
- case TCC_OPTION_w:
- s->warn_none = 1;
- break;
- case TCC_OPTION_rdynamic:
- s->rdynamic = 1;
- break;
- case TCC_OPTION_Wl:
- if (linker_arg.size)
- --linker_arg.size, cstr_ccat(&linker_arg, ',');
- cstr_cat(&linker_arg, optarg);
- cstr_ccat(&linker_arg, '\0');
- break;
- case TCC_OPTION_E:
- if (s->output_type)
- tcc_warning("-E: some compiler action already specified (%d)", s->output_type);
- s->output_type = TCC_OUTPUT_PREPROCESS;
- break;
- case TCC_OPTION_P:
- s->Pflag = atoi(optarg) + 1;
- break;
- case TCC_OPTION_MD:
- s->gen_deps = 1;
- break;
- case TCC_OPTION_MF:
- s->deps_outfile = tcc_strdup(optarg);
- break;
- case TCC_OPTION_dumpversion:
- printf ("%s\n", TCC_VERSION);
- exit(0);
- case TCC_OPTION_s:
- s->do_strip = 1;
- break;
- case TCC_OPTION_traditional:
- break;
- case TCC_OPTION_x:
- if (*optarg == 'c')
- filetype = TCC_FILETYPE_C;
- else
- if (*optarg == 'a')
- filetype = TCC_FILETYPE_ASM_PP;
- else
- if (*optarg == 'n')
- filetype = 0;
- else
- tcc_warning("unsupported language '%s'", optarg);
- break;
- case TCC_OPTION_O:
- if (1) {
- int opt = atoi(optarg);
- char *sym = "__OPTIMIZE__";
- if (opt)
- tcc_define_symbol(s, sym, 0);
- else
- tcc_undefine_symbol(s, sym);
- }
- break;
- case TCC_OPTION_pedantic:
- case TCC_OPTION_pipe:
- /* ignored */
- break;
- default:
- if (s->warn_unsupported) {
- unsupported_option:
- tcc_warning("unsupported option '%s'", r);
- }
- break;
- }
- }
-
- if (s->output_type == 0)
- s->output_type = TCC_OUTPUT_EXE;
-
- if (pthread && s->output_type != TCC_OUTPUT_OBJ)
- tcc_set_options(s, "-lpthread");
-
- if (s->output_type == TCC_OUTPUT_EXE)
- 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);
- 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;
- if (total_bytes < 1)
- total_bytes = 1;
- fprintf(stderr, "%d idents, %d lines, %d bytes, %0.3f s, %d 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);
-}
-
-PUB_FUNC void tcc_set_environment(TCCState *s)
-{
- char * path;
-
- path = getenv("C_INCLUDE_PATH");
- if(path != NULL) {
- tcc_add_include_path(s, path);
- }
- path = getenv("CPATH");
- if(path != NULL) {
- tcc_add_include_path(s, path);
- }
- path = getenv("LIBRARY_PATH");
- if(path != NULL) {
- tcc_add_library_path(s, path);
- }
-}