WebSVN – Kolibri OS – Blame – /programs/develop/ktcc/trunk/source/libtcc.c

Rev	Author	Line No.	Line
6429	siemargl	1	/*
		2	* TCC - Tiny C Compiler
		3	*
		4	* Copyright (c) 2001-2004 Fabrice Bellard
		5	*
		6	* This library is free software; you can redistribute it and/or
		7	* modify it under the terms of the GNU Lesser General Public
		8	* License as published by the Free Software Foundation; either
		9	* version 2 of the License, or (at your option) any later version.
		10	*
		11	* This library is distributed in the hope that it will be useful,
		12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
		14	* Lesser General Public License for more details.
		15	*
		16	* You should have received a copy of the GNU Lesser General Public
		17	* License along with this library; if not, write to the Free Software
		18	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
		19	*/
		20
		21	#include "tcc.h"
		22
		23	/********************************************************/
		24	/* global variables */
		25
		26	/* use GNU C extensions */
		27	ST_DATA int gnu_ext = 1;
		28
		29	/* use TinyCC extensions */
		30	ST_DATA int tcc_ext = 1;
		31
		32	/* XXX: get rid of this ASAP */
		33	ST_DATA struct TCCState *tcc_state;
		34
		35	/********************************************************/
		36
		37	#ifdef ONE_SOURCE
		38	#include "tccpp.c"
		39	#include "tccgen.c"
		40	#include "tccelf.c"
		41	#ifdef TCC_IS_NATIVE
		42	# include "tccrun.c"
		43	#endif
		44	#ifdef TCC_TARGET_I386
		45	#include "i386-gen.c"
		46	#endif
		47	#ifdef TCC_TARGET_ARM
		48	#include "arm-gen.c"
		49	#endif
		50	#ifdef TCC_TARGET_ARM64
		51	#include "arm64-gen.c"
		52	#endif
		53	#ifdef TCC_TARGET_C67
		54	#include "c67-gen.c"
		55	#endif
		56	#ifdef TCC_TARGET_X86_64
		57	#include "x86_64-gen.c"
		58	#endif
		59	#ifdef CONFIG_TCC_ASM
		60	#include "tccasm.c"
		61	#if defined TCC_TARGET_I386 \|\| defined TCC_TARGET_X86_64
		62	#include "i386-asm.c"
		63	#endif
		64	#endif
		65	#ifdef TCC_TARGET_COFF
		66	#include "tcccoff.c"
		67	#endif
		68	#if defined(TCC_TARGET_PE) \|\| defined(TCC_TARGET_MEOS)
		69	#include "tccpe.c"
		70	#endif
		71	#ifdef TCC_TARGET_MEOS
		72	#include "tccmeos.c"
		73	#endif
9284	Coldy	74	#ifdef TCC_TARGET_KX
		75	#include "tcckx.c"
		76	#endif
8272	superturbo	77	#ifdef TCC_TARGET_MEOS_LINUX
		78	#include
		79	#endif
6429	siemargl	80
8272	superturbo	81
6429	siemargl	82	#endif /* ONE_SOURCE */
		83
		84	/********************************************************/
		85	#ifndef CONFIG_TCC_ASM
		86	ST_FUNC void asm_instr(void)
		87	{
		88	tcc_error("inline asm() not supported");
		89	}
		90	ST_FUNC void asm_global_instr(void)
		91	{
		92	tcc_error("inline asm() not supported");
		93	}
		94	#endif
		95
7520	siemargl	96
		97
6429	siemargl	98	/********************************************************/
		99	#ifdef _WIN32
		100	static char normalize_slashes(char path)
		101	{
		102	char *p;
		103	for (p = path; *p; ++p)
		104	if (*p == '\\')
		105	*p = '/';
		106	return path;
		107	}
		108
		109	static HMODULE tcc_module;
		110
		111	/* on win32, we suppose the lib and includes are at the location of 'tcc.exe' */
		112	static void tcc_set_lib_path_w32(TCCState *s)
		113	{
		114	char path[1024], *p;
		115	GetModuleFileNameA(tcc_module, path, sizeof path);
		116	p = tcc_basename(normalize_slashes(strlwr(path)));
		117	if (p - 5 > path && 0 == strncmp(p - 5, "/bin/", 5))
		118	p -= 5;
		119	else if (p > path)
		120	p--;
		121	*p = 0;
		122	tcc_set_lib_path(s, path);
		123	}
		124
		125	#ifdef TCC_TARGET_PE
		126	static void tcc_add_systemdir(TCCState *s)
		127	{
		128	char buf[1000];
		129	GetSystemDirectory(buf, sizeof buf);
		130	tcc_add_library_path(s, normalize_slashes(buf));
		131	}
		132	#endif
		133
		134	#ifndef CONFIG_TCC_STATIC
		135	void dlclose(void *p)
		136	{
		137	FreeLibrary((HMODULE)p);
		138	}
		139	#endif
		140
		141	#ifdef LIBTCC_AS_DLL
		142	BOOL WINAPI DllMain (HINSTANCE hDll, DWORD dwReason, LPVOID lpReserved)
		143	{
		144	if (DLL_PROCESS_ATTACH == dwReason)
		145	tcc_module = hDll;
		146	return TRUE;
		147	}
		148	#endif
7520	siemargl	149	#else // _WIN32
8272	superturbo	150	#if defined TCC_TARGET_MEOS
7520	siemargl	151	/* on Kolibri host, we suppose the lib and includes are at the location of 'tcc' /lib, /include */
		152	static void tcc_set_lib_path_kos(TCCState *s)
		153	{
		154	char argv0 = (char)0x20; // path in kolibri header
		155	char path[1024], *p;
		156	strncpy(path, *argv0, sizeof path);
		157	p = tcc_basename(path);
		158	if (p > path) p--;
		159	*p = 0;
		160	tcc_set_lib_path(s, path);
		161	}
8272	superturbo	162
		163	#if defined TCC_TARGET_MEOS_LINUX
		164	static void tcc_set_lib_path_linux(TCCState *s)
		165	{
		166	char buff[4096+1];
		167	readlink("/proc/self/exe", buff, 4096);
		168	const char *path = dirname(buff);
		169	tcc_set_lib_path(s, path);
		170	}
		171
6429	siemargl	172	#endif
7520	siemargl	173	#endif
8272	superturbo	174	#endif
6429	siemargl	175	/********************************************************/
		176	/* copy a string and truncate it. */
		177	PUB_FUNC char pstrcpy(char buf, int buf_size, const char *s)
		178	{
		179	char q, q_end;
		180	int c;
		181
		182	if (buf_size > 0) {
		183	q = buf;
		184	q_end = buf + buf_size - 1;
		185	while (q < q_end) {
		186	c = *s++;
		187	if (c == '\0')
		188	break;
		189	*q++ = c;
		190	}
		191	*q = '\0';
		192	}
		193	return buf;
		194	}
		195
		196	/* strcat and truncate. */
		197	PUB_FUNC char pstrcat(char buf, int buf_size, const char *s)
		198	{
		199	int len;
		200	len = strlen(buf);
		201	if (len < buf_size)
		202	pstrcpy(buf + len, buf_size - len, s);
		203	return buf;
		204	}
		205
		206	PUB_FUNC char pstrncpy(char out, const char *in, size_t num)
		207	{
		208	memcpy(out, in, num);
		209	out[num] = '\0';
		210	return out;
		211	}
		212
		213	/* extract the basename of a file */
		214	PUB_FUNC char tcc_basename(const char name)
		215	{
		216	char *p = strchr(name, 0);
		217	while (p > name && !IS_DIRSEP(p[-1]))
		218	--p;
		219	return p;
		220	}
		221
		222	/* extract extension part of a file
		223	*
		224	* (if no extension, return pointer to end-of-string)
		225	*/
		226	PUB_FUNC char tcc_fileextension (const char name)
		227	{
		228	char *b = tcc_basename(name);
		229	char *e = strrchr(b, '.');
		230	return e ? e : strchr(b, 0);
		231	}
		232
		233	/********************************************************/
		234	/* memory management */
		235
		236	#undef free
		237	#undef malloc
		238	#undef realloc
		239
		240	#ifndef MEM_DEBUG
		241
		242	PUB_FUNC void tcc_free(void *ptr)
		243	{
		244	free(ptr);
		245	}
		246
		247	PUB_FUNC void *tcc_malloc(unsigned long size)
		248	{
		249	void *ptr;
		250	ptr = malloc(size);
		251	if (!ptr && size)
		252	tcc_error("memory full (malloc)");
		253	return ptr;
		254	}
		255
		256	PUB_FUNC void *tcc_mallocz(unsigned long size)
		257	{
		258	void *ptr;
		259	ptr = tcc_malloc(size);
		260	memset(ptr, 0, size);
		261	return ptr;
		262	}
		263
		264	PUB_FUNC void tcc_realloc(void ptr, unsigned long size)
		265	{
		266	void *ptr1;
		267	ptr1 = realloc(ptr, size);
		268	if (!ptr1 && size)
		269	tcc_error("memory full (realloc)");
		270	return ptr1;
		271	}
		272
		273	PUB_FUNC char tcc_strdup(const char str)
		274	{
		275	char *ptr;
		276	ptr = tcc_malloc(strlen(str) + 1);
		277	strcpy(ptr, str);
		278	return ptr;
		279	}
		280
		281	PUB_FUNC void tcc_memstats(int bench)
		282	{
		283	}
		284
		285	#else
		286
		287	#define MEM_DEBUG_MAGIC1 0xFEEDDEB1
		288	#define MEM_DEBUG_MAGIC2 0xFEEDDEB2
		289	#define MEM_DEBUG_FILE_LEN 15
		290
		291	struct mem_debug_header {
		292	size_t magic1;
		293	size_t size;
		294	struct mem_debug_header *prev;
		295	struct mem_debug_header *next;
		296	size_t line_num;
		297	char file_name[MEM_DEBUG_FILE_LEN + 1];
		298	size_t magic2;
		299	};
		300
		301	typedef struct mem_debug_header mem_debug_header_t;
		302
		303	static mem_debug_header_t *mem_debug_chain;
		304	static size_t mem_cur_size;
		305	static size_t mem_max_size;
		306
		307	PUB_FUNC void tcc_malloc_debug(unsigned long size, const char file, int line)
		308	{
		309	void *ptr;
		310	int ofs;
		311
		312	mem_debug_header_t *header;
		313
		314	ptr = malloc(sizeof(mem_debug_header_t) + size);
		315	if (!ptr)
		316	tcc_error("memory full (malloc)");
		317
		318	mem_cur_size += size;
		319	if (mem_cur_size > mem_max_size)
		320	mem_max_size = mem_cur_size;
		321
		322	header = (mem_debug_header_t *)ptr;
		323
		324	header->magic1 = MEM_DEBUG_MAGIC1;
		325	header->magic2 = MEM_DEBUG_MAGIC2;
		326	header->size = size;
		327	header->line_num = line;
		328
		329	ofs = strlen(file) - MEM_DEBUG_FILE_LEN;
		330	strncpy(header->file_name, file + (ofs > 0 ? ofs : 0), MEM_DEBUG_FILE_LEN);
		331	header->file_name[MEM_DEBUG_FILE_LEN] = 0;
		332
		333	header->next = mem_debug_chain;
		334	header->prev = NULL;
		335
		336	if (header->next)
		337	header->next->prev = header;
		338
		339	mem_debug_chain = header;
		340
		341	ptr = (char *)ptr + sizeof(mem_debug_header_t);
		342	return ptr;
		343	}
		344
		345	PUB_FUNC void tcc_free_debug(void *ptr)
		346	{
		347	mem_debug_header_t *header;
		348
		349	if (!ptr)
		350	return;
		351
		352	ptr = (char *)ptr - sizeof(mem_debug_header_t);
		353	header = (mem_debug_header_t *)ptr;
		354	if (header->magic1 != MEM_DEBUG_MAGIC1 \|\|
		355	header->magic2 != MEM_DEBUG_MAGIC2 \|\|
		356	header->size == (size_t)-1 )
		357	{
		358	tcc_error("tcc_free check failed");
		359	}
		360
		361	mem_cur_size -= header->size;
		362	header->size = (size_t)-1;
6441	siemargl	363
6429	siemargl	364	if (header->next)
		365	header->next->prev = header->prev;
		366
		367	if (header->prev)
		368	header->prev->next = header->next;
		369
		370	if (header == mem_debug_chain)
		371	mem_debug_chain = header->next;
		372
		373	free(ptr);
		374	}
		375
		376
		377	PUB_FUNC void tcc_mallocz_debug(unsigned long size, const char file, int line)
		378	{
		379	void *ptr;
		380	ptr = tcc_malloc_debug(size,file,line);
		381	memset(ptr, 0, size);
		382	return ptr;
		383	}
		384
		385	PUB_FUNC void tcc_realloc_debug(void ptr, unsigned long size, const char *file, int line)
		386	{
		387	mem_debug_header_t *header;
		388	int mem_debug_chain_update = 0;
		389
		390	if (!ptr) {
		391	ptr = tcc_malloc_debug(size, file, line);
		392	return ptr;
		393	}
		394
		395	ptr = (char *)ptr - sizeof(mem_debug_header_t);
		396	header = (mem_debug_header_t *)ptr;
		397	if (header->magic1 != MEM_DEBUG_MAGIC1 \|\|
		398	header->magic2 != MEM_DEBUG_MAGIC2 \|\|
		399	header->size == (size_t)-1 )
		400	{
		401	check_error:
		402	tcc_error("tcc_realloc check failed");
		403	}
		404
		405	mem_debug_chain_update = (header == mem_debug_chain);
		406
		407	mem_cur_size -= header->size;
		408	ptr = realloc(ptr, sizeof(mem_debug_header_t) + size);
		409	if (!ptr)
		410	tcc_error("memory full (realloc)");
		411
		412	header = (mem_debug_header_t *)ptr;
		413	if (header->magic1 != MEM_DEBUG_MAGIC1 \|\|
		414	header->magic2 != MEM_DEBUG_MAGIC2)
		415	{
		416	goto check_error;
		417	}
		418
		419	mem_cur_size += size;
		420	if (mem_cur_size > mem_max_size)
		421	mem_max_size = mem_cur_size;
		422
		423	header->size = size;
		424	if (header->next)
		425	header->next->prev = header;
		426
		427	if (header->prev)
		428	header->prev->next = header;
		429
		430	if (mem_debug_chain_update)
		431	mem_debug_chain = header;
		432
		433	ptr = (char *)ptr + sizeof(mem_debug_header_t);
		434	return ptr;
		435	}
		436
		437	PUB_FUNC char tcc_strdup_debug(const char str, const char *file, int line)
		438	{
		439	char *ptr;
		440	ptr = tcc_malloc_debug(strlen(str) + 1, file, line);
		441	strcpy(ptr, str);
		442	return ptr;
		443	}
		444
		445	PUB_FUNC void tcc_memstats(int bench)
		446	{
		447	if (mem_cur_size) {
		448	mem_debug_header_t *header = mem_debug_chain;
		449
		450	fprintf(stderr, "MEM_DEBUG: mem_leak= %d bytes, mem_max_size= %d bytes\n",
		451	mem_cur_size, mem_max_size);
		452
		453	while (header) {
		454	fprintf(stderr, " file %s, line %u: %u bytes\n",
		455	header->file_name, header->line_num, header->size);
		456	header = header->next;
		457	}
		458	}
		459	else if (bench)
		460	fprintf(stderr, "mem_max_size= %d bytes\n", mem_max_size);
		461	}
		462
		463	#undef MEM_DEBUG_MAGIC1
		464	#undef MEM_DEBUG_MAGIC2
		465	#undef MEM_DEBUG_FILE_LEN
		466
		467	#endif
		468
		469	#define free(p) use_tcc_free(p)
		470	#define malloc(s) use_tcc_malloc(s)
		471	#define realloc(p, s) use_tcc_realloc(p, s)
		472
		473	/********************************************************/
		474	/* dynarrays */
		475
		476	ST_FUNC void dynarray_add(void **ptab, int nb_ptr, void *data)
		477	{
		478	int nb, nb_alloc;
		479	void **pp;
		480
		481	nb = *nb_ptr;
		482	pp = *ptab;
		483	/* every power of two we double array size */
		484	if ((nb & (nb - 1)) == 0) {
		485	if (!nb)
		486	nb_alloc = 1;
		487	else
		488	nb_alloc = nb * 2;
		489	pp = tcc_realloc(pp, nb_alloc * sizeof(void *));
		490	*ptab = pp;
		491	}
		492	pp[nb++] = data;
		493	*nb_ptr = nb;
		494	}
		495
		496	ST_FUNC void dynarray_reset(void pp, int n)
		497	{
		498	void **p;
		499	for (p = (void*)pp; n; ++p, --*n)
		500	if (*p)
		501	tcc_free(*p);
		502	tcc_free((void*)pp);
		503	(void*)pp = NULL;
		504	}
		505
		506	static void tcc_split_path(TCCState s, void *p_ary, int p_nb_ary, const char *in)
		507	{
		508	const char *p;
		509	do {
		510	int c;
		511	CString str;
		512
		513	cstr_new(&str);
		514	for (p = in; c = *p, c != '\0' && c != PATHSEP; ++p) {
		515	if (c == '{' && p[1] && p[2] == '}') {
		516	c = p[1], p += 2;
		517	if (c == 'B')
		518	cstr_cat(&str, s->tcc_lib_path, -1);
		519	} else {
		520	cstr_ccat(&str, c);
		521	}
		522	}
		523	cstr_ccat(&str, '\0');
		524	dynarray_add(p_ary, p_nb_ary, tcc_strdup(str.data));
		525	cstr_free(&str);
		526	in = p+1;
		527	} while (*p);
		528	}
		529
		530	/********************************************************/
		531
		532	ST_FUNC Section new_section(TCCState s1, const char *name, int sh_type, int sh_flags)
		533	{
		534	Section *sec;
		535
		536	sec = tcc_mallocz(sizeof(Section) + strlen(name));
		537	strcpy(sec->name, name);
		538	sec->sh_type = sh_type;
		539	sec->sh_flags = sh_flags;
		540	switch(sh_type) {
		541	case SHT_HASH:
		542	case SHT_REL:
		543	case SHT_RELA:
		544	case SHT_DYNSYM:
		545	case SHT_SYMTAB:
		546	case SHT_DYNAMIC:
		547	sec->sh_addralign = 4;
		548	break;
		549	case SHT_STRTAB:
		550	sec->sh_addralign = 1;
		551	break;
		552	default:
		553	sec->sh_addralign = PTR_SIZE; /* gcc/pcc default aligment */
		554	break;
		555	}
		556
		557	if (sh_flags & SHF_PRIVATE) {
		558	dynarray_add((void ***)&s1->priv_sections, &s1->nb_priv_sections, sec);
		559	} else {
		560	sec->sh_num = s1->nb_sections;
		561	dynarray_add((void ***)&s1->sections, &s1->nb_sections, sec);
		562	}
		563
		564	return sec;
		565	}
		566
		567	static void free_section(Section *s)
		568	{
		569	tcc_free(s->data);
		570	}
		571
		572	/* realloc section and set its content to zero */
		573	ST_FUNC void section_realloc(Section *sec, unsigned long new_size)
		574	{
		575	unsigned long size;
		576	unsigned char *data;
		577
		578	size = sec->data_allocated;
		579	if (size == 0)
		580	size = 1;
		581	while (size < new_size)
		582	size = size * 2;
		583	data = tcc_realloc(sec->data, size);
		584	memset(data + sec->data_allocated, 0, size - sec->data_allocated);
		585	sec->data = data;
		586	sec->data_allocated = size;
		587	}
		588
		589	/* reserve at least 'size' bytes in section 'sec' from
		590	sec->data_offset. */
		591	ST_FUNC void section_ptr_add(Section sec, addr_t size)
		592	{
		593	size_t offset, offset1;
		594
		595	offset = sec->data_offset;
		596	offset1 = offset + size;
		597	if (offset1 > sec->data_allocated)
		598	section_realloc(sec, offset1);
		599	sec->data_offset = offset1;
		600	return sec->data + offset;
		601	}
		602
		603	/* reserve at least 'size' bytes from section start */
		604	ST_FUNC void section_reserve(Section *sec, unsigned long size)
		605	{
		606	if (size > sec->data_allocated)
		607	section_realloc(sec, size);
		608	if (size > sec->data_offset)
		609	sec->data_offset = size;
		610	}
		611
		612	/* return a reference to a section, and create it if it does not
		613	exists */
		614	ST_FUNC Section find_section(TCCState s1, const char *name)
		615	{
		616	Section *sec;
		617	int i;
		618	for(i = 1; i < s1->nb_sections; i++) {
		619	sec = s1->sections[i];
		620	if (!strcmp(name, sec->name))
		621	return sec;
		622	}
		623	/* sections are created as PROGBITS */
		624	return new_section(s1, name, SHT_PROGBITS, SHF_ALLOC);
		625	}
		626
		627	/* update sym->c so that it points to an external symbol in section
		628	'section' with value 'value' */
		629	ST_FUNC void put_extern_sym2(Sym sym, Section section,
		630	addr_t value, unsigned long size,
		631	int can_add_underscore)
		632	{
		633	int sym_type, sym_bind, sh_num, info, other;
		634	ElfW(Sym) *esym;
		635	const char *name;
		636	char buf1[256];
		637
		638	#ifdef CONFIG_TCC_BCHECK
		639	char buf[32];
		640	#endif
		641
		642	if (section == NULL)
		643	sh_num = SHN_UNDEF;
		644	else if (section == SECTION_ABS)
		645	sh_num = SHN_ABS;
		646	else
		647	sh_num = section->sh_num;
		648
		649	if ((sym->type.t & VT_BTYPE) == VT_FUNC) {
		650	sym_type = STT_FUNC;
		651	} else if ((sym->type.t & VT_BTYPE) == VT_VOID) {
		652	sym_type = STT_NOTYPE;
		653	} else {
		654	sym_type = STT_OBJECT;
		655	}
		656
		657	if (sym->type.t & VT_STATIC)
		658	sym_bind = STB_LOCAL;
		659	else {
		660	if (sym->type.t & VT_WEAK)
		661	sym_bind = STB_WEAK;
		662	else
		663	sym_bind = STB_GLOBAL;
		664	}
		665
		666	if (!sym->c) {
		667	name = get_tok_str(sym->v, NULL);
		668	#ifdef CONFIG_TCC_BCHECK
		669	if (tcc_state->do_bounds_check) {
		670	/* XXX: avoid doing that for statics ? */
		671	/* if bound checking is activated, we change some function
		672	names by adding the "__bound" prefix */
		673	switch(sym->v) {
		674	#ifdef TCC_TARGET_PE
		675	/* XXX: we rely only on malloc hooks */
		676	case TOK_malloc:
		677	case TOK_free:
		678	case TOK_realloc:
		679	case TOK_memalign:
		680	case TOK_calloc:
		681	#endif
		682	case TOK_memcpy:
		683	case TOK_memmove:
		684	case TOK_memset:
		685	case TOK_strlen:
		686	case TOK_strcpy:
		687	case TOK_alloca:
		688	strcpy(buf, "__bound_");
		689	strcat(buf, name);
		690	name = buf;
		691	break;
		692	}
		693	}
		694	#endif
		695	other = 0;
		696
		697	#ifdef TCC_TARGET_PE
		698	if (sym->type.t & VT_EXPORT)
		699	other \|= ST_PE_EXPORT;
		700	if (sym_type == STT_FUNC && sym->type.ref) {
		701	Sym *ref = sym->type.ref;
		702	if (ref->a.func_export)
		703	other \|= ST_PE_EXPORT;
		704	if (ref->a.func_call == FUNC_STDCALL && can_add_underscore) {
		705	sprintf(buf1, "_%s@%d", name, ref->a.func_args * PTR_SIZE);
		706	name = buf1;
		707	other \|= ST_PE_STDCALL;
		708	can_add_underscore = 0;
		709	}
		710	} else {
		711	if (find_elf_sym(tcc_state->dynsymtab_section, name))
		712	other \|= ST_PE_IMPORT;
		713	if (sym->type.t & VT_IMPORT)
		714	other \|= ST_PE_IMPORT;
		715	}
		716	#else
		717	if (! (sym->type.t & VT_STATIC))
		718	other = (sym->type.t & VT_VIS_MASK) >> VT_VIS_SHIFT;
		719	#endif
		720	if (tcc_state->leading_underscore && can_add_underscore) {
		721	buf1[0] = '_';
		722	pstrcpy(buf1 + 1, sizeof(buf1) - 1, name);
		723	name = buf1;
		724	}
		725	if (sym->asm_label) {
		726	name = get_tok_str(sym->asm_label, NULL);
		727	}
		728	info = ELFW(ST_INFO)(sym_bind, sym_type);
		729	sym->c = add_elf_sym(symtab_section, value, size, info, other, sh_num, name);
		730	} else {
		731	esym = &((ElfW(Sym) *)symtab_section->data)[sym->c];
		732	esym->st_value = value;
		733	esym->st_size = size;
		734	esym->st_shndx = sh_num;
		735	}
		736	}
		737
		738	ST_FUNC void put_extern_sym(Sym sym, Section section,
		739	addr_t value, unsigned long size)
		740	{
		741	put_extern_sym2(sym, section, value, size, 1);
		742	}
		743
		744	/* add a new relocation entry to symbol 'sym' in section 's' */
		745	ST_FUNC void greloca(Section s, Sym sym, unsigned long offset, int type,
		746	addr_t addend)
		747	{
		748	int c = 0;
		749	if (sym) {
		750	if (0 == sym->c)
		751	put_extern_sym(sym, NULL, 0, 0);
		752	c = sym->c;
		753	}
		754	/* now we can add ELF relocation info */
		755	put_elf_reloca(symtab_section, s, offset, type, c, addend);
		756	}
		757
		758	ST_FUNC void greloc(Section s, Sym sym, unsigned long offset, int type)
		759	{
		760	greloca(s, sym, offset, type, 0);
		761	}
		762
		763	/********************************************************/
		764
		765	static void strcat_vprintf(char buf, int buf_size, const char fmt, va_list ap)
		766	{
		767	int len;
		768	len = strlen(buf);
		769	vsnprintf(buf + len, buf_size - len, fmt, ap);
		770	}
		771
		772	static void strcat_printf(char buf, int buf_size, const char fmt, ...)
		773	{
		774	va_list ap;
		775	va_start(ap, fmt);
		776	strcat_vprintf(buf, buf_size, fmt, ap);
		777	va_end(ap);
		778	}
		779
		780	static void error1(TCCState s1, int is_warning, const char fmt, va_list ap)
		781	{
		782	char buf[2048];
		783	BufferedFile *pf, f;
		784
		785	buf[0] = '\0';
		786	/* use upper file if inline ":asm:" or token ":paste:" */
		787	for (f = file; f && f->filename[0] == ':'; f = f->prev)
		788	;
		789	if (f) {
		790	for(pf = s1->include_stack; pf < s1->include_stack_ptr; pf++)
		791	strcat_printf(buf, sizeof(buf), "In file included from %s:%d:\n",
		792	(pf)->filename, (pf)->line_num);
		793	if (f->line_num > 0) {
		794	strcat_printf(buf, sizeof(buf), "%s:%d: ",
		795	f->filename, f->line_num);
		796	} else {
		797	strcat_printf(buf, sizeof(buf), "%s: ",
		798	f->filename);
		799	}
		800	} else {
		801	strcat_printf(buf, sizeof(buf), "tcc: ");
		802	}
		803	if (is_warning)
		804	strcat_printf(buf, sizeof(buf), "warning: ");
		805	else
		806	strcat_printf(buf, sizeof(buf), "error: ");
		807	strcat_vprintf(buf, sizeof(buf), fmt, ap);
		808
		809	if (!s1->error_func) {
		810	/* default case: stderr */
		811	if (s1->ppfp) /* print a newline during tcc -E */
		812	fprintf(s1->ppfp, "\n"), fflush(s1->ppfp);
6574	siemargl	813	#ifndef TCC_TARGET_MEOS
6429	siemargl	814	fprintf(stderr, "%s\n", buf);
		815	fflush(stderr); /* print error/warning now (win32) */
6574	siemargl	816	#else
		817	fprintf(stdout, "%s\n", buf);
		818	fflush(stdout); /* print error/warning now (win32) */
		819	#endif
6429	siemargl	820	} else {
		821	s1->error_func(s1->error_opaque, buf);
		822	}
		823	if (!is_warning \|\| s1->warn_error)
		824	s1->nb_errors++;
		825	}
		826
		827	LIBTCCAPI void tcc_set_error_func(TCCState s, void error_opaque,
		828	void (error_func)(void opaque, const char *msg))
		829	{
		830	s->error_opaque = error_opaque;
		831	s->error_func = error_func;
		832	}
		833
		834	/* error without aborting current compilation */
		835	PUB_FUNC void tcc_error_noabort(const char *fmt, ...)
		836	{
		837	TCCState *s1 = tcc_state;
		838	va_list ap;
		839
		840	va_start(ap, fmt);
		841	error1(s1, 0, fmt, ap);
		842	va_end(ap);
		843	}
		844
		845	PUB_FUNC void tcc_error(const char *fmt, ...)
		846	{
		847	TCCState *s1 = tcc_state;
		848	va_list ap;
		849
		850	va_start(ap, fmt);
		851	error1(s1, 0, fmt, ap);
		852	va_end(ap);
		853	/* better than nothing: in some cases, we accept to handle errors */
		854	if (s1->error_set_jmp_enabled) {
		855	longjmp(s1->error_jmp_buf, 1);
		856	} else {
		857	/* XXX: eliminate this someday */
		858	exit(1);
		859	}
		860	}
		861
		862	PUB_FUNC void tcc_warning(const char *fmt, ...)
		863	{
		864	TCCState *s1 = tcc_state;
		865	va_list ap;
		866
		867	if (s1->warn_none)
		868	return;
		869
		870	va_start(ap, fmt);
		871	error1(s1, 1, fmt, ap);
		872	va_end(ap);
		873	}
		874
		875	/********************************************************/
		876	/* I/O layer */
		877
		878	ST_FUNC void tcc_open_bf(TCCState s1, const char filename, int initlen)
		879	{
		880	BufferedFile *bf;
		881	int buflen = initlen ? initlen : IO_BUF_SIZE;
		882
		883	bf = tcc_mallocz(sizeof(BufferedFile) + buflen);
		884	bf->buf_ptr = bf->buffer;
		885	bf->buf_end = bf->buffer + initlen;
		886	bf->buf_end[0] = CH_EOB; /* put eob symbol */
		887	pstrcpy(bf->filename, sizeof(bf->filename), filename);
		888	#ifdef _WIN32
		889	normalize_slashes(bf->filename);
		890	#endif
		891	bf->line_num = 1;
		892	bf->ifdef_stack_ptr = s1->ifdef_stack_ptr;
		893	bf->fd = -1;
		894	bf->prev = file;
		895	file = bf;
		896	}
		897
		898	ST_FUNC void tcc_close(void)
		899	{
		900	BufferedFile *bf = file;
		901	if (bf->fd > 0) {
		902	close(bf->fd);
		903	total_lines += bf->line_num;
		904	}
		905	file = bf->prev;
		906	tcc_free(bf);
		907	}
		908
		909	ST_FUNC int tcc_open(TCCState s1, const char filename)
		910	{
		911	int fd;
		912	if (strcmp(filename, "-") == 0)
		913	fd = 0, filename = "";
		914	else
		915	fd = open(filename, O_RDONLY \| O_BINARY);
		916	if ((s1->verbose == 2 && fd >= 0) \|\| s1->verbose == 3)
		917	printf("%s %*s%s\n", fd < 0 ? "nf":"->",
		918	(int)(s1->include_stack_ptr - s1->include_stack), "", filename);
		919	if (fd < 0)
		920	return -1;
		921
		922	tcc_open_bf(s1, filename, 0);
		923	file->fd = fd;
		924	return fd;
		925	}
		926
		927	/* compile the C file opened in 'file'. Return non zero if errors. */
		928	static int tcc_compile(TCCState *s1)
		929	{
		930	Sym *define_start;
		931	char buf[512];
		932	volatile int section_sym;
		933
		934	#ifdef INC_DEBUG
		935	printf("%s: **** new file\n", file->filename);
		936	#endif
		937	preprocess_init(s1);
		938
		939	cur_text_section = NULL;
		940	funcname = "";
		941	anon_sym = SYM_FIRST_ANOM;
		942
		943	/* file info: full path + filename */
		944	section_sym = 0; /* avoid warning */
		945	if (s1->do_debug) {
		946	section_sym = put_elf_sym(symtab_section, 0, 0,
		947	ELFW(ST_INFO)(STB_LOCAL, STT_SECTION), 0,
		948	text_section->sh_num, NULL);
		949	getcwd(buf, sizeof(buf));
		950	#ifdef _WIN32
		951	normalize_slashes(buf);
		952	#endif
		953	pstrcat(buf, sizeof(buf), "/");
		954	put_stabs_r(buf, N_SO, 0, 0,
		955	text_section->data_offset, text_section, section_sym);
		956	put_stabs_r(file->filename, N_SO, 0, 0,
		957	text_section->data_offset, text_section, section_sym);
		958	}
		959	/* an elf symbol of type STT_FILE must be put so that STB_LOCAL
		960	symbols can be safely used */
		961	put_elf_sym(symtab_section, 0, 0,
		962	ELFW(ST_INFO)(STB_LOCAL, STT_FILE), 0,
		963	SHN_ABS, file->filename);
		964
		965	/* define some often used types */
		966	int_type.t = VT_INT;
		967
		968	char_pointer_type.t = VT_BYTE;
		969	mk_pointer(&char_pointer_type);
		970
		971	#if PTR_SIZE == 4
		972	size_type.t = VT_INT;
		973	#else
		974	size_type.t = VT_LLONG;
		975	#endif
		976
		977	func_old_type.t = VT_FUNC;
		978	func_old_type.ref = sym_push(SYM_FIELD, &int_type, FUNC_CDECL, FUNC_OLD);
		979	#ifdef TCC_TARGET_ARM
		980	arm_init(s1);
		981	#endif
		982
		983	#if 0
		984	/* define 'void alloca(unsigned int)' builtin function /
		985	{
		986	Sym *s1;
		987
		988	p = anon_sym++;
		989	sym = sym_push(p, mk_pointer(VT_VOID), FUNC_CDECL, FUNC_NEW);
		990	s1 = sym_push(SYM_FIELD, VT_UNSIGNED \| VT_INT, 0, 0);
		991	s1->next = NULL;
		992	sym->next = s1;
		993	sym_push(TOK_alloca, VT_FUNC \| (p << VT_STRUCT_SHIFT), VT_CONST, 0);
		994	}
		995	#endif
		996
		997	define_start = define_stack;
		998	nocode_wanted = 1;
		999
		1000	if (setjmp(s1->error_jmp_buf) == 0) {
		1001	s1->nb_errors = 0;
		1002	s1->error_set_jmp_enabled = 1;
		1003
		1004	ch = file->buf_ptr[0];
		1005	tok_flags = TOK_FLAG_BOL \| TOK_FLAG_BOF;
		1006	parse_flags = PARSE_FLAG_PREPROCESS \| PARSE_FLAG_TOK_NUM \| PARSE_FLAG_TOK_STR;
		1007	next();
		1008	decl(VT_CONST);
		1009	if (tok != TOK_EOF)
		1010	expect("declaration");
		1011	check_vstack();
		1012
		1013	/* end of translation unit info */
		1014	if (s1->do_debug) {
		1015	put_stabs_r(NULL, N_SO, 0, 0,
		1016	text_section->data_offset, text_section, section_sym);
		1017	}
		1018	}
		1019
		1020	s1->error_set_jmp_enabled = 0;
		1021
		1022	/* reset define stack, but leave -Dsymbols (may be incorrect if
		1023	they are undefined) */
		1024	free_defines(define_start);
		1025
		1026	gen_inline_functions();
		1027
		1028	sym_pop(&global_stack, NULL);
		1029	sym_pop(&local_stack, NULL);
		1030
		1031	return s1->nb_errors != 0 ? -1 : 0;
		1032	}
		1033
		1034	LIBTCCAPI int tcc_compile_string(TCCState s, const char str)
		1035	{
		1036	int len, ret;
		1037
		1038	len = strlen(str);
		1039	tcc_open_bf(s, "", len);
		1040	memcpy(file->buffer, str, len);
		1041	ret = tcc_compile(s);
		1042	tcc_close();
		1043	return ret;
		1044	}
		1045
		1046	/* define a preprocessor symbol. A value can also be provided with the '=' operator */
		1047	LIBTCCAPI void tcc_define_symbol(TCCState s1, const char sym, const char *value)
		1048	{
		1049	int len1, len2;
		1050	/* default value */
		1051	if (!value)
		1052	value = "1";
		1053	len1 = strlen(sym);
		1054	len2 = strlen(value);
		1055
		1056	/* init file structure */
		1057	tcc_open_bf(s1, "", len1 + len2 + 1);
		1058	memcpy(file->buffer, sym, len1);
		1059	file->buffer[len1] = ' ';
		1060	memcpy(file->buffer + len1 + 1, value, len2);
		1061
		1062	/* parse with define parser */
		1063	ch = file->buf_ptr[0];
		1064	next_nomacro();
		1065	parse_define();
		1066
		1067	tcc_close();
		1068	}
		1069
		1070	/* undefine a preprocessor symbol */
		1071	LIBTCCAPI void tcc_undefine_symbol(TCCState s1, const char sym)
		1072	{
		1073	TokenSym *ts;
		1074	Sym *s;
		1075	ts = tok_alloc(sym, strlen(sym));
		1076	s = define_find(ts->tok);
		1077	/* undefine symbol by putting an invalid name */
		1078	if (s)
		1079	define_undef(s);
		1080	}
		1081
		1082	/* cleanup all static data used during compilation */
		1083	static void tcc_cleanup(void)
		1084	{
		1085	if (NULL == tcc_state)
		1086	return;
		1087	tcc_state = NULL;
		1088
		1089	preprocess_delete();
		1090
		1091	/* free sym_pools */
		1092	dynarray_reset(&sym_pools, &nb_sym_pools);
		1093	/* reset symbol stack */
		1094	sym_free_first = NULL;
		1095	}
		1096
		1097	LIBTCCAPI TCCState *tcc_new(void)
		1098	{
		1099	TCCState *s;
		1100	char buffer[100];
		1101	int a,b,c;
		1102
		1103	tcc_cleanup();
		1104
		1105	s = tcc_mallocz(sizeof(TCCState));
		1106	if (!s)
		1107	return NULL;
		1108	tcc_state = s;
		1109	#ifdef _WIN32
		1110	tcc_set_lib_path_w32(s);
		1111	#else
8272	superturbo	1112
8250	superturbo	1113	#if defined TCC_TARGET_MEOS && ! TCC_TARGET_MEOS_LINUX
7520	siemargl	1114	tcc_set_lib_path_kos(s);
		1115	#else
8272	superturbo	1116
		1117	#ifdef TCC_TARGET_MEOS_LINUX
		1118	tcc_set_lib_path_linux(s);
		1119	#else
6429	siemargl	1120	tcc_set_lib_path(s, CONFIG_TCCDIR);
		1121	#endif
7520	siemargl	1122	#endif
8272	superturbo	1123	#endif
6429	siemargl	1124	s->output_type = 0;
		1125	preprocess_new();
		1126	s->include_stack_ptr = s->include_stack;
		1127
		1128	/* we add dummy defines for some special macros to speed up tests
		1129	and to have working defined() */
		1130	define_push(TOK___LINE__, MACRO_OBJ, NULL, NULL);
		1131	define_push(TOK___FILE__, MACRO_OBJ, NULL, NULL);
		1132	define_push(TOK___DATE__, MACRO_OBJ, NULL, NULL);
		1133	define_push(TOK___TIME__, MACRO_OBJ, NULL, NULL);
		1134
		1135	/* define __TINYC__ 92X */
		1136	sscanf(TCC_VERSION, "%d.%d.%d", &a, &b, &c);
		1137	sprintf(buffer, "%d", a10000 + b100 + c);
		1138	tcc_define_symbol(s, "__TINYC__", buffer);
		1139
		1140	/* standard defines */
		1141	tcc_define_symbol(s, "__STDC__", NULL);
		1142	tcc_define_symbol(s, "__STDC_VERSION__", "199901L");
		1143	tcc_define_symbol(s, "__STDC_HOSTED__", NULL);
		1144
		1145	/* target defines */
		1146	#if defined(TCC_TARGET_I386)
		1147	tcc_define_symbol(s, "__i386__", NULL);
		1148	tcc_define_symbol(s, "__i386", NULL);
		1149	tcc_define_symbol(s, "i386", NULL);
		1150	#elif defined(TCC_TARGET_X86_64)
		1151	tcc_define_symbol(s, "__x86_64__", NULL);
		1152	#elif defined(TCC_TARGET_ARM)
		1153	tcc_define_symbol(s, "__ARM_ARCH_4__", NULL);
		1154	tcc_define_symbol(s, "__arm_elf__", NULL);
		1155	tcc_define_symbol(s, "__arm_elf", NULL);
		1156	tcc_define_symbol(s, "arm_elf", NULL);
		1157	tcc_define_symbol(s, "__arm__", NULL);
		1158	tcc_define_symbol(s, "__arm", NULL);
		1159	tcc_define_symbol(s, "arm", NULL);
		1160	tcc_define_symbol(s, "__APCS_32__", NULL);
		1161	tcc_define_symbol(s, "__ARMEL__", NULL);
		1162	#if defined(TCC_ARM_EABI)
		1163	tcc_define_symbol(s, "__ARM_EABI__", NULL);
		1164	#endif
		1165	#if defined(TCC_ARM_HARDFLOAT)
		1166	s->float_abi = ARM_HARD_FLOAT;
		1167	tcc_define_symbol(s, "__ARM_PCS_VFP", NULL);
		1168	#else
		1169	s->float_abi = ARM_SOFTFP_FLOAT;
		1170	#endif
		1171	#elif defined(TCC_TARGET_ARM64)
		1172	tcc_define_symbol(s, "__aarch64__", NULL);
		1173	#endif
		1174
		1175	#ifdef TCC_TARGET_PE
		1176	tcc_define_symbol(s, "_WIN32", NULL);
		1177	# ifdef TCC_TARGET_X86_64
		1178	tcc_define_symbol(s, "_WIN64", NULL);
		1179	# endif
9153	turbocat	1180	#elif defined(TCC_TARGET_MEOS) \|\| defined(TCC_TARGET_MEOS_LINUX)
		1181	tcc_define_symbol(s, "KOLIBRI", NULL);
		1182	tcc_define_symbol(s, "_KOLIBRI", NULL);
		1183	tcc_define_symbol(s, "_KOLIBRI_",NULL);
9305	Coldy	1184	#ifdef TCC_TARGET_KX
		1185	tcc_define_symbol(s, "__KX__", NULL);
		1186	#endif
6429	siemargl	1187	#else
		1188	tcc_define_symbol(s, "__unix__", NULL);
		1189	tcc_define_symbol(s, "__unix", NULL);
		1190	tcc_define_symbol(s, "unix", NULL);
		1191	# if defined(__linux__)
		1192	tcc_define_symbol(s, "__linux__", NULL);
		1193	tcc_define_symbol(s, "__linux", NULL);
		1194	# endif
		1195	# if defined(__FreeBSD__)
		1196	# define str(s) #s
		1197	tcc_define_symbol(s, "__FreeBSD__", str( __FreeBSD__));
		1198	# undef str
		1199	# endif
		1200	# if defined(__FreeBSD_kernel__)
		1201	tcc_define_symbol(s, "__FreeBSD_kernel__", NULL);
		1202	# endif
		1203	#endif
		1204	# if defined(__NetBSD__)
		1205	# define str(s) #s
		1206	tcc_define_symbol(s, "__NetBSD__", str( __NetBSD__));
		1207	# undef str
		1208	# endif
9153	turbocat	1209
6429	siemargl	1210	/* TinyCC & gcc defines */
		1211	#if defined TCC_TARGET_PE && defined TCC_TARGET_X86_64
		1212	tcc_define_symbol(s, "__SIZE_TYPE__", "unsigned long long");
		1213	tcc_define_symbol(s, "__PTRDIFF_TYPE__", "long long");
		1214	#else
		1215	tcc_define_symbol(s, "__SIZE_TYPE__", "unsigned long");
		1216	tcc_define_symbol(s, "__PTRDIFF_TYPE__", "long");
		1217	#endif
		1218
		1219	#ifdef TCC_TARGET_PE
		1220	tcc_define_symbol(s, "__WCHAR_TYPE__", "unsigned short");
		1221	tcc_define_symbol(s, "__WINT_TYPE__", "unsigned short");
		1222	#else
		1223	tcc_define_symbol(s, "__WCHAR_TYPE__", "int");
		1224	/* wint_t is unsigned int by default, but (signed) int on BSDs
		1225	and unsigned short on windows. Other OSes might have still
		1226	other conventions, sigh. */
		1227	#if defined(__FreeBSD__) \|\| defined (__FreeBSD_kernel__) \|\| defined(__NetBSD__)
		1228	tcc_define_symbol(s, "__WINT_TYPE__", "int");
		1229	#else
		1230	tcc_define_symbol(s, "__WINT_TYPE__", "unsigned int");
		1231	#endif
		1232	#endif
		1233
		1234	#ifndef TCC_TARGET_PE
		1235	/* glibc defines */
		1236	tcc_define_symbol(s, "__REDIRECT(name, proto, alias)", "name proto __asm__ (#alias)");
		1237	tcc_define_symbol(s, "__REDIRECT_NTH(name, proto, alias)", "name proto __asm__ (#alias) __THROW");
		1238	/* paths for crt objects */
		1239	tcc_split_path(s, (void ***)&s->crt_paths, &s->nb_crt_paths, CONFIG_TCC_CRTPREFIX);
		1240	#endif
		1241
		1242	/* no section zero */
		1243	dynarray_add((void ***)&s->sections, &s->nb_sections, NULL);
		1244
		1245	/* create standard sections */
		1246	text_section = new_section(s, ".text", SHT_PROGBITS, SHF_ALLOC \| SHF_EXECINSTR);
		1247	data_section = new_section(s, ".data", SHT_PROGBITS, SHF_ALLOC \| SHF_WRITE);
		1248	bss_section = new_section(s, ".bss", SHT_NOBITS, SHF_ALLOC \| SHF_WRITE);
		1249
		1250	/* symbols are always generated for linking stage */
		1251	symtab_section = new_symtab(s, ".symtab", SHT_SYMTAB, 0,
		1252	".strtab",
		1253	".hashtab", SHF_PRIVATE);
		1254	strtab_section = symtab_section->link;
		1255	s->symtab = symtab_section;
		1256
		1257	/* private symbol table for dynamic symbols */
		1258	s->dynsymtab_section = new_symtab(s, ".dynsymtab", SHT_SYMTAB, SHF_PRIVATE,
		1259	".dynstrtab",
		1260	".dynhashtab", SHF_PRIVATE);
		1261	s->alacarte_link = 1;
		1262	s->nocommon = 1;
		1263	s->warn_implicit_function_declaration = 1;
		1264
		1265	#ifdef CHAR_IS_UNSIGNED
		1266	s->char_is_unsigned = 1;
		1267	#endif
		1268	/* enable this if you want symbols with leading underscore on windows: */
		1269	#if 0 /* def TCC_TARGET_PE */
		1270	s->leading_underscore = 1;
		1271	#endif
		1272	#if 0 /* TCC_TARGET_MEOS */
		1273	s->leading_underscore = 1;
		1274	#endif
		1275	#ifdef TCC_TARGET_I386
		1276	s->seg_size = 32;
		1277	#endif
		1278	#ifdef TCC_IS_NATIVE
		1279	s->runtime_main = "main";
		1280	#endif
		1281	return s;
		1282	}
		1283
		1284	LIBTCCAPI void tcc_delete(TCCState *s1)
		1285	{
		1286	int i;
		1287	int bench = s1->do_bench;
		1288
		1289	tcc_cleanup();
		1290
		1291	/* close a preprocessor output */
		1292	if (s1->ppfp && s1->ppfp != stdout)
		1293	fclose(s1->ppfp);
		1294	if (s1->dffp && s1->dffp != s1->ppfp)
		1295	fclose(s1->dffp);
		1296
		1297	/* free all sections */
		1298	for(i = 1; i < s1->nb_sections; i++)
		1299	free_section(s1->sections[i]);
		1300	dynarray_reset(&s1->sections, &s1->nb_sections);
		1301
		1302	for(i = 0; i < s1->nb_priv_sections; i++)
		1303	free_section(s1->priv_sections[i]);
		1304	dynarray_reset(&s1->priv_sections, &s1->nb_priv_sections);
		1305
		1306	/* free any loaded DLLs */
		1307	#ifdef TCC_IS_NATIVE
		1308	for ( i = 0; i < s1->nb_loaded_dlls; i++) {
		1309	DLLReference *ref = s1->loaded_dlls[i];
		1310	if ( ref->handle )
		1311	dlclose(ref->handle);
		1312	}
		1313	#endif
		1314
		1315	/* free loaded dlls array */
		1316	dynarray_reset(&s1->loaded_dlls, &s1->nb_loaded_dlls);
		1317
		1318	/* free library paths */
		1319	dynarray_reset(&s1->library_paths, &s1->nb_library_paths);
		1320	dynarray_reset(&s1->crt_paths, &s1->nb_crt_paths);
		1321
		1322	/* free include paths */
		1323	dynarray_reset(&s1->cached_includes, &s1->nb_cached_includes);
		1324	dynarray_reset(&s1->include_paths, &s1->nb_include_paths);
		1325	dynarray_reset(&s1->sysinclude_paths, &s1->nb_sysinclude_paths);
		1326
		1327	tcc_free(s1->tcc_lib_path);
		1328	tcc_free(s1->soname);
		1329	tcc_free(s1->rpath);
		1330	tcc_free(s1->init_symbol);
		1331	tcc_free(s1->fini_symbol);
		1332	tcc_free(s1->outfile);
		1333	tcc_free(s1->deps_outfile);
		1334	dynarray_reset(&s1->files, &s1->nb_files);
		1335	dynarray_reset(&s1->target_deps, &s1->nb_target_deps);
		1336	dynarray_reset(&s1->pragma_libs, &s1->nb_pragma_libs);
		1337
		1338	#ifdef TCC_IS_NATIVE
		1339	# ifdef HAVE_SELINUX
		1340	munmap (s1->write_mem, s1->mem_size);
		1341	munmap (s1->runtime_mem, s1->mem_size);
		1342	# else
		1343	tcc_free(s1->runtime_mem);
		1344	# endif
		1345	#endif
		1346
		1347	tcc_free(s1->sym_attrs);
		1348	tcc_free(s1);
		1349	tcc_memstats(bench);
		1350	}
		1351
		1352	LIBTCCAPI int tcc_add_include_path(TCCState s, const char pathname)
		1353	{
		1354	tcc_split_path(s, (void ***)&s->include_paths, &s->nb_include_paths, pathname);
		1355	return 0;
		1356	}
		1357
		1358	LIBTCCAPI int tcc_add_sysinclude_path(TCCState s, const char pathname)
		1359	{
		1360	tcc_split_path(s, (void ***)&s->sysinclude_paths, &s->nb_sysinclude_paths, pathname);
		1361	return 0;
		1362	}
		1363
		1364	ST_FUNC int tcc_add_file_internal(TCCState s1, const char filename, int flags, int filetype)
		1365	{
		1366	ElfW(Ehdr) ehdr;
		1367	int fd, ret, size;
		1368
		1369	parse_flags = 0;
		1370	#ifdef CONFIG_TCC_ASM
		1371	/* if .S file, define __ASSEMBLER__ like gcc does */
		1372	if ((filetype == TCC_FILETYPE_ASM) \|\| (filetype == TCC_FILETYPE_ASM_PP)) {
		1373	tcc_define_symbol(s1, "__ASSEMBLER__", NULL);
		1374	parse_flags = PARSE_FLAG_ASM_FILE;
		1375	}
		1376	#endif
		1377
		1378	/* open the file */
		1379	ret = tcc_open(s1, filename);
		1380	if (ret < 0) {
		1381	if (flags & AFF_PRINT_ERROR)
		1382	tcc_error_noabort("file '%s' not found", filename);
		1383	return ret;
		1384	}
		1385
		1386	/* update target deps */
		1387	dynarray_add((void ***)&s1->target_deps, &s1->nb_target_deps,
		1388	tcc_strdup(filename));
		1389
		1390	if (flags & AFF_PREPROCESS) {
		1391	ret = tcc_preprocess(s1);
		1392	goto the_end;
		1393	}
		1394
		1395	if (filetype == TCC_FILETYPE_C) {
		1396	/* C file assumed */
		1397	ret = tcc_compile(s1);
		1398	goto the_end;
		1399	}
		1400
		1401	#ifdef CONFIG_TCC_ASM
		1402	if (filetype == TCC_FILETYPE_ASM_PP) {
		1403	/* non preprocessed assembler */
		1404	ret = tcc_assemble(s1, 1);
		1405	goto the_end;
		1406	}
		1407
		1408	if (filetype == TCC_FILETYPE_ASM) {
		1409	/* preprocessed assembler */
		1410	ret = tcc_assemble(s1, 0);
		1411	goto the_end;
		1412	}
		1413	#endif
		1414
		1415	fd = file->fd;
		1416	/* assume executable format: auto guess file type */
		1417	size = read(fd, &ehdr, sizeof(ehdr));
		1418	lseek(fd, 0, SEEK_SET);
		1419	if (size <= 0) {
		1420	tcc_error_noabort("could not read header");
		1421	goto the_end;
		1422	}
		1423
		1424	if (size == sizeof(ehdr) &&
		1425	ehdr.e_ident[0] == ELFMAG0 &&
		1426	ehdr.e_ident[1] == ELFMAG1 &&
		1427	ehdr.e_ident[2] == ELFMAG2 &&
		1428	ehdr.e_ident[3] == ELFMAG3) {
		1429
		1430	/* do not display line number if error */
		1431	file->line_num = 0;
		1432	if (ehdr.e_type == ET_REL) {
		1433	ret = tcc_load_object_file(s1, fd, 0);
		1434	goto the_end;
		1435
		1436	}
		1437	#if !defined(TCC_TARGET_PE) && !defined(TCC_TARGET_MEOS)
		1438	if (ehdr.e_type == ET_DYN) {
		1439	if (s1->output_type == TCC_OUTPUT_MEMORY) {
		1440	#ifdef TCC_IS_NATIVE
		1441	void *h;
		1442	h = dlopen(filename, RTLD_GLOBAL \| RTLD_LAZY);
		1443	if (h)
		1444	#endif
		1445	ret = 0;
		1446	} else {
		1447	ret = tcc_load_dll(s1, fd, filename,
		1448	(flags & AFF_REFERENCED_DLL) != 0);
		1449	}
		1450	goto the_end;
		1451	}
		1452	#endif
		1453	tcc_error_noabort("unrecognized ELF file");
		1454	goto the_end;
		1455	}
		1456
		1457	if (memcmp((char *)&ehdr, ARMAG, 8) == 0) {
		1458	file->line_num = 0; /* do not display line number if error */
		1459	ret = tcc_load_archive(s1, fd);
		1460	goto the_end;
		1461	}
		1462
		1463	#ifdef TCC_TARGET_COFF
		1464	if ((uint16_t )(&ehdr) == COFF_C67_MAGIC) {
		1465	ret = tcc_load_coff(s1, fd);
		1466	goto the_end;
		1467	}
		1468	#endif
		1469
9284	Coldy	1470	#if defined (TCC_TARGET_PE) \|\| (defined(TCC_TARGET_MEOS) && !defined(TCC_TARGET_KX))
6429	siemargl	1471	ret = pe_load_file(s1, filename, fd);
9284	Coldy	1472	#elif defined(TCC_TARGET_KX)
		1473	ret = pe_load_def(s1, fd);
6429	siemargl	1474	#else
		1475	/* as GNU ld, consider it is an ld script if not recognized */
		1476	ret = tcc_load_ldscript(s1);
		1477	#endif
		1478	if (ret < 0)
		1479	tcc_error_noabort("unrecognized file type");
		1480
		1481	the_end:
		1482	tcc_close();
		1483	return ret;
		1484	}
		1485
		1486	LIBTCCAPI int tcc_add_file(TCCState s, const char filename, int filetype)
		1487	{
		1488	if (s->output_type == TCC_OUTPUT_PREPROCESS)
		1489	return tcc_add_file_internal(s, filename, AFF_PRINT_ERROR \| AFF_PREPROCESS, filetype);
		1490	else
		1491	return tcc_add_file_internal(s, filename, AFF_PRINT_ERROR, filetype);
		1492	}
		1493
		1494	LIBTCCAPI int tcc_add_library_path(TCCState s, const char pathname)
		1495	{
		1496	tcc_split_path(s, (void ***)&s->library_paths, &s->nb_library_paths, pathname);
		1497	return 0;
		1498	}
		1499
		1500	static int tcc_add_library_internal(TCCState s, const char fmt,
		1501	const char filename, int flags, char *paths, int nb_paths)
		1502	{
		1503	char buf[1024];
		1504	int i;
		1505
		1506	for(i = 0; i < nb_paths; i++) {
		1507	snprintf(buf, sizeof(buf), fmt, paths[i], filename);
7520	siemargl	1508	//printf("tcc_add_library_internal::added lib [%s]\n", buf);
6429	siemargl	1509	if (tcc_add_file_internal(s, buf, flags, TCC_FILETYPE_BINARY) == 0)
		1510	return 0;
		1511	}
		1512	return -1;
		1513	}
		1514
		1515	#if !defined(TCC_TARGET_PE) && !defined(TCC_TARGET_MEOS)
		1516	/* find and load a dll. Return non zero if not found */
		1517	/* XXX: add '-rpath' option support ? */
		1518	ST_FUNC int tcc_add_dll(TCCState s, const char filename, int flags)
		1519	{
		1520	return tcc_add_library_internal(s, "%s/%s", filename, flags,
		1521	s->library_paths, s->nb_library_paths);
		1522	}
		1523	#endif
		1524
		1525	ST_FUNC int tcc_add_crt(TCCState s, const char filename)
		1526	{
		1527	if (-1 == tcc_add_library_internal(s, "%s/%s",
		1528	filename, 0, s->crt_paths, s->nb_crt_paths))
		1529	tcc_error_noabort("file '%s' not found", filename);
		1530	return 0;
		1531	}
		1532
		1533	/* the library name is the same as the argument of the '-l' option */
		1534	LIBTCCAPI int tcc_add_library(TCCState s, const char libraryname)
		1535	{
		1536	#if defined(TCC_TARGET_PE) \|\| defined(TCC_TARGET_MEOS)
		1537	const char *libs[] = { "%s/%s.def", "%s/lib%s.def", "%s/%s.dll", "%s/lib%s.dll", "%s/lib%s.a", NULL };
		1538	const char **pp = s->static_link ? libs + 4 : libs;
		1539	#else
		1540	const char *libs[] = { "%s/lib%s.so", "%s/lib%s.a", NULL };
		1541	const char **pp = s->static_link ? libs + 1 : libs;
		1542	#endif
		1543	while (*pp) {
		1544	if (0 == tcc_add_library_internal(s, *pp,
		1545	libraryname, 0, s->library_paths, s->nb_library_paths))
		1546	return 0;
		1547	++pp;
		1548	}
		1549	return -1;
		1550	}
		1551
		1552	PUB_FUNC int tcc_add_library_err(TCCState s, const char libname)
		1553	{
		1554	int ret = tcc_add_library(s, libname);
		1555	if (ret < 0)
		1556	tcc_error_noabort("cannot find library 'lib%s'", libname);
		1557	return ret;
		1558	}
		1559
		1560	/* habdle #pragma comment(lib,) */
		1561	ST_FUNC void tcc_add_pragma_libs(TCCState *s1)
		1562	{
		1563	int i;
		1564	for (i = 0; i < s1->nb_pragma_libs; i++)
		1565	tcc_add_library_err(s1, s1->pragma_libs[i]);
		1566	}
		1567
		1568	LIBTCCAPI int tcc_add_symbol(TCCState s, const char name, const void *val)
		1569	{
		1570	#if defined(TCC_TARGET_PE) \|\| defined(TCC_TARGET_MEOS)
		1571	/* On x86_64 'val' might not be reachable with a 32bit offset.
		1572	So it is handled here as if it were in a DLL. */
		1573	pe_putimport(s, 0, name, (uintptr_t)val);
		1574	#else
		1575	add_elf_sym(symtab_section, (uintptr_t)val, 0,
		1576	ELFW(ST_INFO)(STB_GLOBAL, STT_NOTYPE), 0,
		1577	SHN_ABS, name);
		1578	#endif
		1579	return 0;
		1580	}
		1581
		1582
		1583	/* Windows stat* ( https://msdn.microsoft.com/en-us/library/14h5k7ff.aspx ):
		1584	* - st_gid, st_ino, st_uid: only valid on "unix" file systems (not FAT, NTFS, etc)
		1585	* - st_atime, st_ctime: not valid on FAT, valid on NTFS.
		1586	* - Other fields should be reasonably compatible (and S_ISDIR should work).
		1587	*
		1588	* BY_HANDLE_FILE_INFORMATION ( https://msdn.microsoft.com/en-us/library/windows/desktop/aa363788%28v=vs.85%29.aspx ):
		1589	* - File index (combined nFileIndexHigh and nFileIndexLow) _may_ change when the file is opened.
		1590	* - But on NTFS: it's guaranteed to be the same value until the file is deleted.
		1591	* - On windows server 2012 there's a 128b file id, and the 64b one via
		1592	* nFileIndex* is not guaranteed to be unique.
		1593	*
		1594	* - MS Docs suggest to that volume number with the file index could be used to
		1595	* check if two handles refer to the same file.
		1596	*/
		1597	#ifndef _WIN32
		1598	typedef struct stat file_info_t;
		1599	#else
		1600	typedef BY_HANDLE_FILE_INFORMATION file_info_t;
		1601	#endif
		1602
		1603	int get_file_info(const char fname, file_info_t out_info)
		1604	{
		1605	#ifndef _WIN32
		1606	return stat(fname, out_info);
		1607	#else
		1608	int rv = 1;
		1609	HANDLE h = CreateFile(fname, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING,
		1610	FILE_ATTRIBUTE_NORMAL\|FILE_FLAG_BACKUP_SEMANTICS, NULL);
		1611
		1612	if (h != INVALID_HANDLE_VALUE) {
		1613	rv = !GetFileInformationByHandle(h, out_info);
		1614	CloseHandle(h);
		1615	}
		1616	return rv;
		1617	#endif
		1618	}
		1619
		1620	int is_dir(file_info_t *info)
		1621	{
		1622	#ifndef _WIN32
		1623	return S_ISDIR(info->st_mode);
		1624	#else
		1625	return (info->dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) ==
		1626	FILE_ATTRIBUTE_DIRECTORY;
		1627	#endif
		1628	}
		1629
		1630	int is_same_file(const file_info_t fi1, const file_info_t fi2)
		1631	{
		1632	#ifndef _WIN32
		1633	return fi1->st_dev == fi2->st_dev &&
		1634	fi1->st_ino == fi2->st_ino;
		1635	#else
		1636	return fi1->dwVolumeSerialNumber == fi2->dwVolumeSerialNumber &&
		1637	fi1->nFileIndexHigh == fi2->nFileIndexHigh &&
		1638	fi1->nFileIndexLow == fi2->nFileIndexLow;
		1639	#endif
		1640	}
		1641
		1642	static void
		1643	tcc_normalize_inc_dirs_aux(file_info_t stats, size_t pnum, char **path)
		1644	{
		1645	size_t i, num = *pnum;
		1646	if (get_file_info(*path, &stats[num]) \|\| !is_dir(&stats[num]))
		1647	goto remove;
		1648	for (i = 0; i < num; i++)
		1649	if (is_same_file(&stats[i], &stats[num]))
		1650	goto remove;
		1651	*pnum = num + 1;
		1652	return;
		1653	remove:
		1654	tcc_free(*path);
		1655	*path = 0;
		1656	}
		1657
		1658	/* Remove non-existent and duplicate directories from include paths. */
		1659	ST_FUNC void tcc_normalize_inc_dirs(TCCState *s)
		1660	{
		1661	file_info_t *stats =
		1662	tcc_malloc(((size_t)s->nb_sysinclude_paths + s->nb_include_paths) *
		1663	sizeof(*stats));
		1664	size_t i, num = 0;
		1665	for (i = 0; i < s->nb_sysinclude_paths; i++)
		1666	tcc_normalize_inc_dirs_aux(stats, &num, &s->sysinclude_paths[i]);
		1667	for (i = 0; i < s->nb_include_paths; i++)
		1668	tcc_normalize_inc_dirs_aux(stats, &num, &s->include_paths[i]);
		1669	tcc_free(stats);
		1670	}
		1671
		1672	LIBTCCAPI int tcc_set_output_type(TCCState *s, int output_type)
		1673	{
		1674	s->output_type = output_type;
		1675
		1676	if (s->output_type == TCC_OUTPUT_PREPROCESS) {
		1677	if (!s->outfile) {
		1678	s->ppfp = stdout;
		1679	} else {
		1680	s->ppfp = fopen(s->outfile, "w");
		1681	if (!s->ppfp)
		1682	tcc_error("could not write '%s'", s->outfile);
		1683	}
		1684	s->dffp = s->ppfp;
		1685	if (s->dflag == 'M')
		1686	s->ppfp = NULL;
		1687	}
		1688	if (s->option_C && !s->ppfp)
		1689	s->option_C = 0;
		1690
		1691	if (!s->nostdinc) {
		1692	/* default include paths */
		1693	/* -isystem paths have already been handled */
		1694	tcc_add_sysinclude_path(s, CONFIG_TCC_SYSINCLUDEPATHS);
		1695	}
		1696
		1697	/* if bound checking, then add corresponding sections */
		1698	#ifdef CONFIG_TCC_BCHECK
		1699	if (s->do_bounds_check) {
		1700	/* define symbol */
		1701	tcc_define_symbol(s, "__BOUNDS_CHECKING_ON", NULL);
		1702	/* create bounds sections */
		1703	bounds_section = new_section(s, ".bounds",
		1704	SHT_PROGBITS, SHF_ALLOC);
		1705	lbounds_section = new_section(s, ".lbounds",
		1706	SHT_PROGBITS, SHF_ALLOC);
		1707	}
		1708	#endif
		1709
		1710	if (s->char_is_unsigned) {
		1711	tcc_define_symbol(s, "__CHAR_UNSIGNED__", NULL);
		1712	}
		1713
		1714	/* add debug sections */
		1715	if (s->do_debug) {
		1716	/* stab symbols */
		1717	stab_section = new_section(s, ".stab", SHT_PROGBITS, 0);
		1718	stab_section->sh_entsize = sizeof(Stab_Sym);
		1719	stabstr_section = new_section(s, ".stabstr", SHT_STRTAB, 0);
		1720	put_elf_str(stabstr_section, "");
		1721	stab_section->link = stabstr_section;
		1722	/* put first entry */
		1723	put_stabs("", 0, 0, 0, 0);
		1724	}
		1725
		1726	tcc_add_library_path(s, CONFIG_TCC_LIBPATHS);
		1727	#ifdef TCC_TARGET_PE
		1728	# ifdef _WIN32
		1729	tcc_add_systemdir(s);
		1730	# endif
		1731	#elif defined(TCC_TARGET_MEOS)
		1732	if (s->output_type != TCC_OUTPUT_OBJ && !s->nostdlib)
		1733	{
8799	turbocat	1734	tcc_add_crt(s,"crt0.o");
		1735	//tcc_add_library(s,"lc.obj"); // adding libck.a dont work, because need to be added last
6429	siemargl	1736	}
		1737	#else
		1738	/* add libc crt1/crti objects */
		1739	if ((output_type == TCC_OUTPUT_EXE \|\| output_type == TCC_OUTPUT_DLL) &&
		1740	!s->nostdlib) {
		1741	if (output_type != TCC_OUTPUT_DLL)
		1742	tcc_add_crt(s, "crt1.o");
		1743	tcc_add_crt(s, "crti.o");
		1744	}
		1745	#endif
		1746
		1747	#ifdef CONFIG_TCC_BCHECK
		1748	if (s->do_bounds_check && (output_type == TCC_OUTPUT_EXE))
		1749	{
		1750	/* force a bcheck.o linking */
		1751	addr_t func = TOK___bound_init;
		1752	Sym *sym = external_global_sym(func, &func_old_type, 0);
		1753	if (!sym->c)
		1754	put_extern_sym(sym, NULL, 0, 0);
		1755	}
		1756	#endif
		1757
		1758	if (s->normalize_inc_dirs)
		1759	tcc_normalize_inc_dirs(s);
		1760	if (s->output_type == TCC_OUTPUT_PREPROCESS)
		1761	print_defines();
		1762
		1763	return 0;
		1764	}
		1765
		1766	LIBTCCAPI void tcc_set_lib_path(TCCState s, const char path)
		1767	{
		1768	tcc_free(s->tcc_lib_path);
		1769	s->tcc_lib_path = tcc_strdup(path);
		1770	}
		1771
		1772	#define WD_ALL 0x0001 /* warning is activated when using -Wall */
		1773	#define FD_INVERT 0x0002 /* invert value before storing */
		1774
		1775	typedef struct FlagDef {
		1776	uint16_t offset;
		1777	uint16_t flags;
		1778	const char *name;
		1779	} FlagDef;
		1780
		1781	static const FlagDef warning_defs[] = {
		1782	{ offsetof(TCCState, warn_unsupported), 0, "unsupported" },
		1783	{ offsetof(TCCState, warn_write_strings), 0, "write-strings" },
		1784	{ offsetof(TCCState, warn_error), 0, "error" },
		1785	{ offsetof(TCCState, warn_implicit_function_declaration), WD_ALL,
		1786	"implicit-function-declaration" },
		1787	};
		1788
		1789	ST_FUNC int set_flag(TCCState s, const FlagDef flags, int nb_flags,
		1790	const char *name, int value)
		1791	{
		1792	int i;
		1793	const FlagDef *p;
		1794	const char *r;
		1795
		1796	r = name;
		1797	if (r[0] == 'n' && r[1] == 'o' && r[2] == '-') {
		1798	r += 3;
		1799	value = !value;
		1800	}
		1801	for(i = 0, p = flags; i < nb_flags; i++, p++) {
		1802	if (!strcmp(r, p->name))
		1803	goto found;
		1804	}
		1805	return -1;
		1806	found:
		1807	if (p->flags & FD_INVERT)
		1808	value = !value;
		1809	(int )((uint8_t *)s + p->offset) = value;
		1810	return 0;
		1811	}
		1812
		1813	/* set/reset a warning */
		1814	static int tcc_set_warning(TCCState s, const char warning_name, int value)
		1815	{
		1816	int i;
		1817	const FlagDef *p;
		1818
		1819	if (!strcmp(warning_name, "all")) {
		1820	for(i = 0, p = warning_defs; i < countof(warning_defs); i++, p++) {
		1821	if (p->flags & WD_ALL)
		1822	(int )((uint8_t *)s + p->offset) = 1;
		1823	}
		1824	s->warn_unsupported = 1; // siemargl. was unused flag about compiler features
		1825	return 0;
		1826	} else {
		1827	return set_flag(s, warning_defs, countof(warning_defs),
		1828	warning_name, value);
		1829	}
		1830	}
		1831
		1832	static const FlagDef flag_defs[] = {
		1833	{ offsetof(TCCState, char_is_unsigned), 0, "unsigned-char" },
		1834	{ offsetof(TCCState, char_is_unsigned), FD_INVERT, "signed-char" },
		1835	{ offsetof(TCCState, nocommon), FD_INVERT, "common" },
		1836	{ offsetof(TCCState, leading_underscore), 0, "leading-underscore" },
		1837	{ offsetof(TCCState, ms_extensions), 0, "ms-extensions" },
		1838	{ offsetof(TCCState, old_struct_init_code), 0, "old-struct-init-code" },
		1839	{ offsetof(TCCState, dollars_in_identifiers), 0, "dollars-in-identifiers" },
		1840	{ offsetof(TCCState, normalize_inc_dirs), 0, "normalize-inc-dirs" },
		1841	};
		1842
		1843	/* set/reset a flag */
		1844	static int tcc_set_flag(TCCState s, const char flag_name, int value)
		1845	{
		1846	return set_flag(s, flag_defs, countof(flag_defs),
		1847	flag_name, value);
		1848	}
		1849
		1850
		1851	static int strstart(const char val, const char *str)
		1852	{
		1853	const char p, q;
		1854	p = *str;
		1855	q = val;
		1856	while (*q) {
		1857	if (p != q)
		1858	return 0;
		1859	p++;
		1860	q++;
		1861	}
		1862	*str = p;
		1863	return 1;
		1864	}
		1865
		1866	/* Like strstart, but automatically takes into account that ld options can
		1867	*
		1868	* - start with double or single dash (e.g. '--soname' or '-soname')
		1869	* - arguments can be given as separate or after '=' (e.g. '-Wl,-soname,x.so'
		1870	* or '-Wl,-soname=x.so')
		1871	*
		1872	* you provide `val` always in 'option[=]' form (no leading -)
		1873	*/
		1874	static int link_option(const char str, const char val, const char **ptr)
		1875	{
		1876	const char p, q;
		1877
		1878	/* there should be 1 or 2 dashes */
		1879	if (*str++ != '-')
		1880	return 0;
		1881	if (*str == '-')
		1882	str++;
		1883
		1884	/* then str & val should match (potentialy up to '=') */
		1885	p = str;
		1886	q = val;
		1887
		1888	while (q != '\0' && q != '=') {
		1889	if (p != q)
		1890	return 0;
		1891	p++;
		1892	q++;
		1893	}
		1894
		1895	/* '=' near eos means ',' or '=' is ok */
		1896	if (*q == '=') {
		1897	if (p != ',' && p != '=')
		1898	return 0;
		1899	p++;
		1900	q++;
		1901	}
		1902
		1903	if (ptr)
		1904	*ptr = p;
		1905	return 1;
		1906	}
		1907
		1908	static const char skip_linker_arg(const char *str)
		1909	{
		1910	const char s1 = str;
		1911	const char *s2 = strchr(s1, ',');
		1912	*str = s2 ? s2++ : (s2 = s1 + strlen(s1));
		1913	return s2;
		1914	}
		1915
		1916	static char copy_linker_arg(const char p)
		1917	{
		1918	const char *q = p;
		1919	skip_linker_arg(&q);
		1920	return pstrncpy(tcc_malloc(q - p + 1), p, q - p);
		1921	}
		1922
		1923	/* set linker options */
		1924	static int tcc_set_linker(TCCState s, const char option)
8157	Boppan	1925	{
6429	siemargl	1926	while (option && *option) {
		1927
		1928	const char *p = option;
		1929	char *end = NULL;
		1930	int ignoring = 0;
		1931
		1932	if (link_option(option, "Bsymbolic", &p)) {
		1933	s->symbolic = 1;
		1934	} else if (link_option(option, "nostdlib", &p)) {
		1935	s->nostdlib = 1;
		1936	} else if (link_option(option, "fini=", &p)) {
		1937	s->fini_symbol = copy_linker_arg(p);
		1938	ignoring = 1;
		1939	} else if (link_option(option, "image-base=", &p)
		1940	\|\| link_option(option, "Ttext=", &p)) {
		1941	s->text_addr = strtoull(p, &end, 16);
		1942	s->has_text_addr = 1;
		1943	} else if (link_option(option, "init=", &p)) {
		1944	s->init_symbol = copy_linker_arg(p);
		1945	ignoring = 1;
		1946	} else if (link_option(option, "oformat=", &p)) {
		1947	#if defined(TCC_TARGET_PE)
		1948	if (strstart("pe-", &p)) {
		1949	#elif defined(TCC_TARGET_ARM64) \|\| defined(TCC_TARGET_X86_64)
		1950	if (strstart("elf64-", &p)) {
		1951	#else
		1952	if (strstart("elf32-", &p)) {
		1953	#endif
		1954	s->output_format = TCC_OUTPUT_FORMAT_ELF;
		1955	} else if (!strcmp(p, "binary")) {
		1956	s->output_format = TCC_OUTPUT_FORMAT_BINARY;
		1957	#ifdef TCC_TARGET_COFF
		1958	} else if (!strcmp(p, "coff")) {
		1959	s->output_format = TCC_OUTPUT_FORMAT_COFF;
		1960	#endif
		1961	} else
		1962	goto err;
		1963
		1964	} else if (link_option(option, "as-needed", &p)) {
		1965	ignoring = 1;
		1966	} else if (link_option(option, "O", &p)) {
		1967	ignoring = 1;
		1968	} else if (link_option(option, "rpath=", &p)) {
		1969	s->rpath = copy_linker_arg(p);
		1970	} else if (link_option(option, "section-alignment=", &p)) {
		1971	s->section_align = strtoul(p, &end, 16);
		1972	} else if (link_option(option, "soname=", &p)) {
		1973	s->soname = copy_linker_arg(p);
		1974	#ifdef TCC_TARGET_PE
		1975	} else if (link_option(option, "file-alignment=", &p)) {
		1976	s->pe_file_align = strtoul(p, &end, 16);
		1977	} else if (link_option(option, "stack=", &p)) {
		1978	s->pe_stack_size = strtoul(p, &end, 10);
		1979	} else if (link_option(option, "subsystem=", &p)) {
		1980	#if defined(TCC_TARGET_I386) \|\| defined(TCC_TARGET_X86_64)
		1981	if (!strcmp(p, "native")) {
		1982	s->pe_subsystem = 1;
		1983	} else if (!strcmp(p, "console")) {
		1984	s->pe_subsystem = 3;
		1985	} else if (!strcmp(p, "gui")) {
		1986	s->pe_subsystem = 2;
		1987	} else if (!strcmp(p, "posix")) {
		1988	s->pe_subsystem = 7;
		1989	} else if (!strcmp(p, "efiapp")) {
		1990	s->pe_subsystem = 10;
		1991	} else if (!strcmp(p, "efiboot")) {
		1992	s->pe_subsystem = 11;
		1993	} else if (!strcmp(p, "efiruntime")) {
		1994	s->pe_subsystem = 12;
		1995	} else if (!strcmp(p, "efirom")) {
		1996	s->pe_subsystem = 13;
		1997	#elif defined(TCC_TARGET_ARM)
		1998	if (!strcmp(p, "wince")) {
		1999	s->pe_subsystem = 9;
		2000	#endif
		2001	} else
		2002	goto err;
		2003	#endif
		2004	} else
		2005	goto err;
		2006
		2007	if (ignoring && s->warn_unsupported) err: {
		2008	char buf[100], *e;
		2009	pstrcpy(buf, sizeof buf, e = copy_linker_arg(option)), tcc_free(e);
		2010	if (ignoring)
		2011	tcc_warning("unsupported linker option '%s'", buf);
		2012	else
		2013	tcc_error("unsupported linker option '%s'", buf);
		2014	}
		2015	option = skip_linker_arg(&p);
		2016	}
		2017	return 0;
		2018	}
		2019
		2020	typedef struct TCCOption {
		2021	const char *name;
		2022	uint16_t index;
		2023	uint16_t flags;
		2024	} TCCOption;
		2025
		2026	enum {
		2027	TCC_OPTION_HELP,
		2028	TCC_OPTION_I,
		2029	TCC_OPTION_D,
		2030	TCC_OPTION_U,
		2031	TCC_OPTION_P,
		2032	TCC_OPTION_L,
		2033	TCC_OPTION_B,
		2034	TCC_OPTION_l,
		2035	TCC_OPTION_bench,
		2036	TCC_OPTION_bt,
		2037	TCC_OPTION_b,
		2038	TCC_OPTION_g,
		2039	TCC_OPTION_c,
		2040	TCC_OPTION_C,
		2041	TCC_OPTION_dumpversion,
		2042	TCC_OPTION_d,
		2043	TCC_OPTION_float_abi,
		2044	TCC_OPTION_static,
		2045	TCC_OPTION_std,
		2046	TCC_OPTION_shared,
		2047	TCC_OPTION_soname,
		2048	TCC_OPTION_o,
		2049	TCC_OPTION_r,
		2050	TCC_OPTION_s,
		2051	TCC_OPTION_traditional,
		2052	TCC_OPTION_Wl,
		2053	TCC_OPTION_W,
		2054	TCC_OPTION_O,
		2055	TCC_OPTION_m,
		2056	TCC_OPTION_f,
		2057	TCC_OPTION_isystem,
		2058	TCC_OPTION_iwithprefix,
		2059	TCC_OPTION_nostdinc,
		2060	TCC_OPTION_nostdlib,
		2061	TCC_OPTION_print_search_dirs,
		2062	TCC_OPTION_rdynamic,
		2063	TCC_OPTION_pedantic,
		2064	TCC_OPTION_pthread,
		2065	TCC_OPTION_run,
		2066	TCC_OPTION_v,
		2067	TCC_OPTION_w,
		2068	TCC_OPTION_pipe,
		2069	TCC_OPTION_E,
		2070	TCC_OPTION_MD,
		2071	TCC_OPTION_MF,
6441	siemargl	2072	TCC_OPTION_x,
8157	Boppan	2073	TCC_OPTION_stack,
		2074	TCC_OPTION_nobss
6429	siemargl	2075	};
		2076
		2077	#define TCC_OPTION_HAS_ARG 0x0001
		2078	#define TCC_OPTION_NOSEP 0x0002 /* cannot have space before option and arg */
		2079
		2080	static const TCCOption tcc_options[] = {
		2081	{ "h", TCC_OPTION_HELP, 0 },
		2082	{ "-help", TCC_OPTION_HELP, 0 },
		2083	{ "?", TCC_OPTION_HELP, 0 },
		2084	{ "I", TCC_OPTION_I, TCC_OPTION_HAS_ARG },
		2085	{ "D", TCC_OPTION_D, TCC_OPTION_HAS_ARG },
		2086	{ "U", TCC_OPTION_U, TCC_OPTION_HAS_ARG },
		2087	{ "P", TCC_OPTION_P, TCC_OPTION_HAS_ARG \| TCC_OPTION_NOSEP },
		2088	{ "L", TCC_OPTION_L, TCC_OPTION_HAS_ARG },
		2089	{ "B", TCC_OPTION_B, TCC_OPTION_HAS_ARG },
		2090	{ "l", TCC_OPTION_l, TCC_OPTION_HAS_ARG \| TCC_OPTION_NOSEP },
		2091	{ "bench", TCC_OPTION_bench, 0 },
		2092	#ifdef CONFIG_TCC_BACKTRACE
		2093	{ "bt", TCC_OPTION_bt, TCC_OPTION_HAS_ARG },
		2094	#endif
		2095	#ifdef CONFIG_TCC_BCHECK
		2096	{ "b", TCC_OPTION_b, 0 },
		2097	#endif
		2098	{ "g", TCC_OPTION_g, TCC_OPTION_HAS_ARG \| TCC_OPTION_NOSEP },
		2099	{ "c", TCC_OPTION_c, 0 },
		2100	{ "C", TCC_OPTION_C, 0 },
		2101	{ "dumpversion", TCC_OPTION_dumpversion, 0},
		2102	{ "d", TCC_OPTION_d, TCC_OPTION_HAS_ARG \| TCC_OPTION_NOSEP },
		2103	#ifdef TCC_TARGET_ARM
		2104	{ "mfloat-abi", TCC_OPTION_float_abi, TCC_OPTION_HAS_ARG },
		2105	#endif
		2106	{ "static", TCC_OPTION_static, 0 },
		2107	{ "std", TCC_OPTION_std, TCC_OPTION_HAS_ARG \| TCC_OPTION_NOSEP },
		2108	{ "shared", TCC_OPTION_shared, 0 },
		2109	{ "soname", TCC_OPTION_soname, TCC_OPTION_HAS_ARG },
		2110	{ "o", TCC_OPTION_o, TCC_OPTION_HAS_ARG },
		2111	{ "pedantic", TCC_OPTION_pedantic, 0},
		2112	{ "pthread", TCC_OPTION_pthread, 0},
		2113	{ "run", TCC_OPTION_run, TCC_OPTION_HAS_ARG \| TCC_OPTION_NOSEP },
		2114	{ "rdynamic", TCC_OPTION_rdynamic, 0 },
		2115	{ "r", TCC_OPTION_r, 0 },
		2116	{ "s", TCC_OPTION_s, 0 },
		2117	{ "traditional", TCC_OPTION_traditional, 0 },
		2118	{ "Wl,", TCC_OPTION_Wl, TCC_OPTION_HAS_ARG \| TCC_OPTION_NOSEP },
		2119	{ "W", TCC_OPTION_W, TCC_OPTION_HAS_ARG \| TCC_OPTION_NOSEP },
		2120	{ "O", TCC_OPTION_O, TCC_OPTION_HAS_ARG \| TCC_OPTION_NOSEP },
		2121	{ "m", TCC_OPTION_m, TCC_OPTION_HAS_ARG },
		2122	{ "f", TCC_OPTION_f, TCC_OPTION_HAS_ARG \| TCC_OPTION_NOSEP },
		2123	{ "isystem", TCC_OPTION_isystem, TCC_OPTION_HAS_ARG },
		2124	{ "iwithprefix", TCC_OPTION_iwithprefix, TCC_OPTION_HAS_ARG },
		2125	{ "nostdinc", TCC_OPTION_nostdinc, 0 },
		2126	{ "nostdlib", TCC_OPTION_nostdlib, 0 },
		2127	{ "print-search-dirs", TCC_OPTION_print_search_dirs, 0 },
		2128	{ "v", TCC_OPTION_v, TCC_OPTION_HAS_ARG \| TCC_OPTION_NOSEP },
		2129	{ "w", TCC_OPTION_w, 0 },
		2130	{ "pipe", TCC_OPTION_pipe, 0},
		2131	{ "E", TCC_OPTION_E, 0},
		2132	{ "MD", TCC_OPTION_MD, 0},
		2133	{ "MF", TCC_OPTION_MF, TCC_OPTION_HAS_ARG },
		2134	{ "x", TCC_OPTION_x, TCC_OPTION_HAS_ARG },
6441	siemargl	2135	{ "stack", TCC_OPTION_stack, TCC_OPTION_HAS_ARG \| TCC_OPTION_NOSEP},
9284	Coldy	2136	#if defined(TCC_TARGET_MEOS) && !defined (TCC_TARGET_KX)
8157	Boppan	2137	{ "nobss", TCC_OPTION_nobss, 0 },
9284	Coldy	2138	#endif
6429	siemargl	2139	{ NULL, 0, 0 },
		2140	};
		2141
		2142	static void parse_option_D(TCCState s1, const char optarg)
		2143	{
		2144	char *sym = tcc_strdup(optarg);
		2145	char *value = strchr(sym, '=');
		2146	if (value)
		2147	*value++ = '\0';
		2148	tcc_define_symbol(s1, sym, value);
		2149	tcc_free(sym);
		2150	}
		2151
		2152	static void args_parser_add_file(TCCState s, const char filename, int filetype)
		2153	{
		2154	int len = strlen(filename);
		2155	char *p = tcc_malloc(len + 2);
		2156	if (filetype) {
		2157	*p = filetype;
		2158	}
		2159	else {
		2160	/* use a file extension to detect a filetype */
		2161	const char *ext = tcc_fileextension(filename);
		2162	if (ext[0]) {
		2163	ext++;
		2164	if (!strcmp(ext, "S"))
		2165	*p = TCC_FILETYPE_ASM_PP;
		2166	else
		2167	if (!strcmp(ext, "s"))
		2168	*p = TCC_FILETYPE_ASM;
		2169	else
		2170	if (!PATHCMP(ext, "c") \|\| !PATHCMP(ext, "i"))
		2171	*p = TCC_FILETYPE_C;
		2172	else
		2173	*p = TCC_FILETYPE_BINARY;
		2174	}
		2175	else {
		2176	*p = TCC_FILETYPE_C;
		2177	}
		2178	}
		2179	strcpy(p+1, filename);
		2180	dynarray_add((void ***)&s->files, &s->nb_files, p);
		2181	}
		2182
		2183	ST_FUNC int tcc_parse_args1(TCCState s, int argc, char *argv)
		2184	{
		2185	const TCCOption *popt;
		2186	const char optarg, r;
		2187	int optind = 0;
		2188	ParseArgsState *pas = s->parse_args_state;
		2189
6460	siemargl	2190	/*
		2191	#ifdef TCC_TARGET_MEOS
		2192	// siemargl testing
		2193	s->output_format = TCC_OUTPUT_FORMAT_COFF;
		2194	#endif
		2195	*/
6429	siemargl	2196	while (optind < argc) {
		2197
		2198	r = argv[optind++];
		2199	if (r[0] != '-' \|\| r[1] == '\0') {
		2200	/* handle list files */
		2201	if (r[0] == '@' && r[1]) {
		2202	char buf[sizeof file->filename], *p;
		2203	char **argv = NULL;
		2204	int argc = 0;
		2205	FILE *fp;
		2206
		2207	fp = fopen(r + 1, "rb");
		2208	if (fp == NULL)
		2209	tcc_error("list file '%s' not found", r + 1);
		2210	while (fgets(buf, sizeof buf, fp)) {
		2211	p = trimfront(trimback(buf, strchr(buf, 0)));
		2212	if (0 == p \|\| ';' == p)
		2213	continue;
		2214	dynarray_add((void ***)&argv, &argc, tcc_strdup(p));
		2215	}
		2216	fclose(fp);
		2217	tcc_parse_args1(s, argc, argv);
		2218	dynarray_reset(&argv, &argc);
		2219	} else {
		2220	args_parser_add_file(s, r, pas->filetype);
		2221	if (pas->run) {
		2222	optind--;
		2223	/* argv[0] will be this file */
		2224	break;
		2225	}
		2226	}
		2227	continue;
		2228	}
		2229
		2230	/* find option in table */
		2231	for(popt = tcc_options; ; ++popt) {
		2232	const char *p1 = popt->name;
		2233	const char *r1 = r + 1;
		2234	if (p1 == NULL)
		2235	tcc_error("invalid option -- '%s'", r);
		2236	if (!strstart(p1, &r1))
		2237	continue;
		2238	optarg = r1;
		2239	if (popt->flags & TCC_OPTION_HAS_ARG) {
		2240	if (*r1 == '\0' && !(popt->flags & TCC_OPTION_NOSEP)) {
		2241	if (optind >= argc)
		2242	tcc_error("argument to '%s' is missing", r);
		2243	optarg = argv[optind++];
		2244	}
		2245	} else if (*r1 != '\0')
		2246	continue;
		2247	break;
		2248	}
		2249
		2250	switch(popt->index) {
		2251	case TCC_OPTION_HELP:
		2252	return 0;
		2253	case TCC_OPTION_I:
		2254	tcc_add_include_path(s, optarg);
		2255	break;
		2256	case TCC_OPTION_D:
		2257	parse_option_D(s, optarg);
		2258	break;
		2259	case TCC_OPTION_U:
		2260	tcc_undefine_symbol(s, optarg);
		2261	break;
		2262	case TCC_OPTION_L:
		2263	tcc_add_library_path(s, optarg);
		2264	break;
		2265	case TCC_OPTION_B:
		2266	/* set tcc utilities path (mainly for tcc development) */
		2267	tcc_set_lib_path(s, optarg);
		2268	break;
		2269	case TCC_OPTION_l:
		2270	args_parser_add_file(s, r, TCC_FILETYPE_BINARY);
		2271	s->nb_libraries++;
		2272	break;
		2273	case TCC_OPTION_pthread:
		2274	parse_option_D(s, "_REENTRANT");
		2275	pas->pthread = 1;
		2276	break;
		2277	case TCC_OPTION_bench:
		2278	s->do_bench = 1;
		2279	break;
		2280	#ifdef CONFIG_TCC_BACKTRACE
		2281	case TCC_OPTION_bt:
		2282	tcc_set_num_callers(atoi(optarg));
		2283	break;
		2284	#endif
		2285	#ifdef CONFIG_TCC_BCHECK
		2286	case TCC_OPTION_b:
		2287	s->do_bounds_check = 1;
		2288	s->do_debug = 1;
		2289	break;
		2290	#endif
		2291	case TCC_OPTION_g:
		2292	s->do_debug = 1;
		2293	break;
		2294	case TCC_OPTION_c:
		2295	if (s->output_type)
		2296	tcc_warning("-c: some compiler action already specified (%d)", s->output_type);
		2297	s->output_type = TCC_OUTPUT_OBJ;
		2298	break;
		2299	case TCC_OPTION_C:
		2300	s->option_C = 1;
		2301	break;
		2302	case TCC_OPTION_d:
		2303	if (optarg == 'D' \|\| optarg == 'M')
		2304	s->dflag = *optarg;
		2305	else {
		2306	if (s->warn_unsupported)
		2307	goto unsupported_option;
		2308	tcc_error("invalid option -- '%s'", r);
		2309	}
		2310	break;
		2311	#ifdef TCC_TARGET_ARM
		2312	case TCC_OPTION_float_abi:
		2313	/* tcc doesn't support soft float yet */
		2314	if (!strcmp(optarg, "softfp")) {
		2315	s->float_abi = ARM_SOFTFP_FLOAT;
		2316	tcc_undefine_symbol(s, "__ARM_PCS_VFP");
		2317	} else if (!strcmp(optarg, "hard"))
		2318	s->float_abi = ARM_HARD_FLOAT;
		2319	else
		2320	tcc_error("unsupported float abi '%s'", optarg);
		2321	break;
		2322	#endif
		2323	case TCC_OPTION_static:
		2324	s->static_link = 1;
		2325	break;
		2326	case TCC_OPTION_std:
		2327	/* silently ignore, a current purpose:
		2328	allow to use a tcc as a reference compiler for "make test" */
		2329	break;
		2330	case TCC_OPTION_shared:
		2331	if (s->output_type)
		2332	tcc_warning("-shared: some compiler action already specified (%d)", s->output_type);
		2333	s->output_type = TCC_OUTPUT_DLL;
		2334	break;
		2335	case TCC_OPTION_soname:
		2336	s->soname = tcc_strdup(optarg);
		2337	break;
		2338	case TCC_OPTION_m:
		2339	s->option_m = tcc_strdup(optarg);
		2340	break;
		2341	case TCC_OPTION_o:
		2342	if (s->outfile) {
		2343	tcc_warning("multiple -o option");
		2344	tcc_free(s->outfile);
		2345	}
		2346	s->outfile = tcc_strdup(optarg);
		2347	break;
		2348	case TCC_OPTION_r:
		2349	/* generate a .o merging several output files */
		2350	if (s->output_type)
		2351	tcc_warning("-r: some compiler action already specified (%d)", s->output_type);
		2352	s->option_r = 1;
		2353	s->output_type = TCC_OUTPUT_OBJ;
		2354	break;
		2355	case TCC_OPTION_isystem:
		2356	tcc_add_sysinclude_path(s, optarg);
		2357	break;
		2358	case TCC_OPTION_iwithprefix:
		2359	if (1) {
		2360	char buf[1024];
		2361	int buf_size = sizeof(buf)-1;
		2362	char *p = &buf[0];
		2363
		2364	char *sysroot = "{B}/";
		2365	int len = strlen(sysroot);
		2366	if (len > buf_size)
		2367	len = buf_size;
		2368	strncpy(p, sysroot, len);
		2369	p += len;
		2370	buf_size -= len;
		2371
		2372	len = strlen(optarg);
		2373	if (len > buf_size)
		2374	len = buf_size;
		2375	strncpy(p, optarg, len+1);
		2376	tcc_add_sysinclude_path(s, buf);
		2377	}
		2378	break;
		2379	case TCC_OPTION_nostdinc:
		2380	s->nostdinc = 1;
		2381	break;
		2382	case TCC_OPTION_nostdlib:
		2383	s->nostdlib = 1;
		2384	break;
		2385	case TCC_OPTION_print_search_dirs:
		2386	s->print_search_dirs = 1;
		2387	break;
		2388	case TCC_OPTION_run:
		2389	if (s->output_type)
		2390	tcc_warning("-run: some compiler action already specified (%d)", s->output_type);
		2391	s->output_type = TCC_OUTPUT_MEMORY;
		2392	tcc_set_options(s, optarg);
		2393	pas->run = 1;
		2394	break;
		2395	case TCC_OPTION_v:
		2396	do ++s->verbose; while (*optarg++ == 'v');
		2397	break;
		2398	case TCC_OPTION_f:
		2399	if (tcc_set_flag(s, optarg, 1) < 0 && s->warn_unsupported)
		2400	goto unsupported_option;
		2401	break;
		2402	case TCC_OPTION_W:
		2403	if (tcc_set_warning(s, optarg, 1) < 0 &&
		2404	s->warn_unsupported)
		2405	goto unsupported_option;
		2406	break;
		2407	case TCC_OPTION_w:
		2408	s->warn_none = 1;
		2409	break;
		2410	case TCC_OPTION_rdynamic:
		2411	s->rdynamic = 1;
		2412	break;
		2413	case TCC_OPTION_Wl:
		2414	if (pas->linker_arg.size)
		2415	--pas->linker_arg.size, cstr_ccat(&pas->linker_arg, ',');
		2416	cstr_cat(&pas->linker_arg, optarg, 0);
		2417	break;
		2418	case TCC_OPTION_E:
		2419	if (s->output_type)
		2420	tcc_warning("-E: some compiler action already specified (%d)", s->output_type);
		2421	s->output_type = TCC_OUTPUT_PREPROCESS;
		2422	break;
		2423	case TCC_OPTION_P:
		2424	s->Pflag = atoi(optarg) + 1;
		2425	break;
		2426	case TCC_OPTION_MD:
		2427	s->gen_deps = 1;
		2428	break;
		2429	case TCC_OPTION_MF:
		2430	s->deps_outfile = tcc_strdup(optarg);
		2431	break;
		2432	case TCC_OPTION_dumpversion:
		2433	printf ("%s\n", TCC_VERSION);
		2434	exit(0);
		2435	case TCC_OPTION_s:
		2436	s->do_strip = 1;
		2437	break;
		2438	case TCC_OPTION_traditional:
		2439	break;
		2440	case TCC_OPTION_x:
		2441	if (*optarg == 'c')
		2442	pas->filetype = TCC_FILETYPE_C;
		2443	else
		2444	if (*optarg == 'a')
		2445	pas->filetype = TCC_FILETYPE_ASM_PP;
		2446	else
		2447	if (*optarg == 'n')
		2448	pas->filetype = 0;
		2449	else
		2450	tcc_warning("unsupported language '%s'", optarg);
		2451	break;
		2452	case TCC_OPTION_O:
		2453	if (1) {
		2454	int opt = atoi(optarg);
		2455	char *sym = "__OPTIMIZE__";
		2456	if (opt)
		2457	tcc_define_symbol(s, sym, 0);
		2458	else
		2459	tcc_undefine_symbol(s, sym);
		2460	}
		2461	break;
		2462	case TCC_OPTION_pedantic:
		2463	case TCC_OPTION_pipe:
		2464	/* ignored */
		2465	break;
6441	siemargl	2466	case TCC_OPTION_stack:
8157	Boppan	2467	#ifdef TCC_TARGET_MEOS
		2468	s->pe_stack_size = strtoul(optarg+1, NULL, 10);
		2469	#endif
6441	siemargl	2470	break;
9284	Coldy	2471	#if defined(TCC_TARGET_MEOS) && !defined (TCC_TARGET_KX)
8157	Boppan	2472	case TCC_OPTION_nobss:
		2473	s->nobss = 1;
		2474	break;
9284	Coldy	2475	#endif
6429	siemargl	2476	default:
		2477	if (s->warn_unsupported) {
		2478	unsupported_option:
		2479	tcc_warning("unsupported option '%s'", r);
		2480	}
		2481	break;
		2482	}
		2483	}
		2484	return optind;
		2485	}
		2486
		2487	PUB_FUNC int tcc_parse_args(TCCState s, int argc, char *argv)
		2488	{
		2489	ParseArgsState *pas;
		2490	int ret, is_allocated = 0;
		2491
		2492	if (!s->parse_args_state) {
		2493	s->parse_args_state = tcc_mallocz(sizeof(ParseArgsState));
		2494	cstr_new(&s->parse_args_state->linker_arg);
		2495	is_allocated = 1;
		2496	}
		2497	pas = s->parse_args_state;
		2498
		2499	ret = tcc_parse_args1(s, argc, argv);
		2500
		2501	if (s->output_type == 0)
		2502	s->output_type = TCC_OUTPUT_EXE;
		2503
		2504	if (pas->pthread && s->output_type != TCC_OUTPUT_OBJ)
		2505	tcc_set_options(s, "-lpthread");
		2506
		2507	if (s->output_type == TCC_OUTPUT_EXE)
		2508	tcc_set_linker(s, (const char *)pas->linker_arg.data);
		2509
		2510	if (is_allocated) {
		2511	cstr_free(&pas->linker_arg);
		2512	tcc_free(pas);
		2513	s->parse_args_state = NULL;
		2514	}
		2515	return ret;
		2516	}
		2517
		2518	LIBTCCAPI int tcc_set_options(TCCState s, const char str)
		2519	{
		2520	const char *s1;
		2521	char *argv, arg;
		2522	int argc, len;
		2523	int ret;
		2524
		2525	argc = 0, argv = NULL;
		2526	for(;;) {
		2527	while (is_space(*str))
		2528	str++;
		2529	if (*str == '\0')
		2530	break;
		2531	s1 = str;
		2532	while (str != '\0' && !is_space(str))
		2533	str++;
		2534	len = str - s1;
		2535	arg = tcc_malloc(len + 1);
		2536	pstrncpy(arg, s1, len);
		2537	dynarray_add((void ***)&argv, &argc, arg);
		2538	}
		2539	ret = tcc_parse_args(s, argc, argv);
		2540	dynarray_reset(&argv, &argc);
		2541	return ret;
		2542	}
		2543
		2544	PUB_FUNC void tcc_print_stats(TCCState *s, int64_t total_time)
		2545	{
		2546	double tt;
		2547	tt = (double)total_time / 1000000.0;
		2548	if (tt < 0.001)
		2549	tt = 0.001;
		2550	if (total_bytes < 1)
		2551	total_bytes = 1;
6574	siemargl	2552	fprintf(stdout, "%d idents, %d lines, %d bytes, %0.3f s, %d lines/s, %0.1f MB/s\n",
6429	siemargl	2553	tok_ident - TOK_IDENT, total_lines, total_bytes,
		2554	tt, (int)(total_lines / tt),
		2555	total_bytes / tt / 1000000.0);
		2556	}
		2557
		2558	PUB_FUNC void tcc_set_environment(TCCState *s)
		2559	{
		2560	char * path;
		2561
		2562	path = getenv("C_INCLUDE_PATH");
		2563	if(path != NULL) {
		2564	tcc_add_include_path(s, path);
		2565	}
		2566	path = getenv("CPATH");
		2567	if(path != NULL) {
		2568	tcc_add_include_path(s, path);
		2569	}
		2570	path = getenv("LIBRARY_PATH");
		2571	if(path != NULL) {
		2572	tcc_add_library_path(s, path);
		2573	}
		2574	}

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(root)/programs/develop/ktcc/trunk/source/libtcc.c – Rev 9305