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

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(root)/programs/develop/ktcc/trunk/source/libtcc.c – Rev 9153