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);
9517	Coldy	116	#ifdef TCC_TARGET_KX
9513	Coldy	117	kx_fix_root_directory(path, sizeof path);
		118	normalize_slashes(strlwr(path));
		119	#else
6429	siemargl	120	p = tcc_basename(normalize_slashes(strlwr(path)));
		121	if (p - 5 > path && 0 == strncmp(p - 5, "/bin/", 5))
		122	p -= 5;
		123	else if (p > path)
		124	p--;
		125	*p = 0;
9513	Coldy	126	#endif
6429	siemargl	127	tcc_set_lib_path(s, path);
		128	}
		129
		130	#ifdef TCC_TARGET_PE
		131	static void tcc_add_systemdir(TCCState *s)
		132	{
		133	char buf[1000];
		134	GetSystemDirectory(buf, sizeof buf);
		135	tcc_add_library_path(s, normalize_slashes(buf));
		136	}
		137	#endif
		138
		139	#ifndef CONFIG_TCC_STATIC
		140	void dlclose(void *p)
		141	{
		142	FreeLibrary((HMODULE)p);
		143	}
		144	#endif
		145
		146	#ifdef LIBTCC_AS_DLL
		147	BOOL WINAPI DllMain (HINSTANCE hDll, DWORD dwReason, LPVOID lpReserved)
		148	{
		149	if (DLL_PROCESS_ATTACH == dwReason)
		150	tcc_module = hDll;
		151	return TRUE;
		152	}
		153	#endif
7520	siemargl	154	#else // _WIN32
8272	superturbo	155	#if defined TCC_TARGET_MEOS
7520	siemargl	156	/* on Kolibri host, we suppose the lib and includes are at the location of 'tcc' /lib, /include */
		157	static void tcc_set_lib_path_kos(TCCState *s)
9517	Coldy	158	{
7520	siemargl	159	char argv0 = (char)0x20; // path in kolibri header
9517	Coldy	160	char path[1024], *p;
7520	siemargl	161	strncpy(path, *argv0, sizeof path);
9517	Coldy	162	#ifdef TCC_TARGET_KX
9513	Coldy	163	kx_fix_root_directory(path, sizeof path);
9517	Coldy	164	#else
7520	siemargl	165	p = tcc_basename(path);
		166	if (p > path) p--;
		167	*p = 0;
9513	Coldy	168	#endif
7520	siemargl	169	tcc_set_lib_path(s, path);
		170	}
8272	superturbo	171
		172	#if defined TCC_TARGET_MEOS_LINUX
		173	static void tcc_set_lib_path_linux(TCCState *s)
		174	{
		175	char buff[4096+1];
		176	readlink("/proc/self/exe", buff, 4096);
9517	Coldy	177	#ifdef TCC_TARGET_KX
9545	turbocat	178	kx_fix_root_directory(buff, sizeof buff);
9513	Coldy	179	const char *path = buff;
		180	#else
8272	superturbo	181	const char *path = dirname(buff);
9513	Coldy	182	#endif
8272	superturbo	183	tcc_set_lib_path(s, path);
		184	}
		185
6429	siemargl	186	#endif
7520	siemargl	187	#endif
8272	superturbo	188	#endif
6429	siemargl	189	/********************************************************/
		190	/* copy a string and truncate it. */
		191	PUB_FUNC char pstrcpy(char buf, int buf_size, const char *s)
		192	{
		193	char q, q_end;
		194	int c;
		195
		196	if (buf_size > 0) {
		197	q = buf;
		198	q_end = buf + buf_size - 1;
		199	while (q < q_end) {
		200	c = *s++;
		201	if (c == '\0')
		202	break;
		203	*q++ = c;
		204	}
		205	*q = '\0';
		206	}
		207	return buf;
		208	}
		209
		210	/* strcat and truncate. */
		211	PUB_FUNC char pstrcat(char buf, int buf_size, const char *s)
		212	{
		213	int len;
		214	len = strlen(buf);
		215	if (len < buf_size)
		216	pstrcpy(buf + len, buf_size - len, s);
		217	return buf;
		218	}
		219
		220	PUB_FUNC char pstrncpy(char out, const char *in, size_t num)
		221	{
		222	memcpy(out, in, num);
		223	out[num] = '\0';
		224	return out;
		225	}
		226
		227	/* extract the basename of a file */
		228	PUB_FUNC char tcc_basename(const char name)
		229	{
		230	char *p = strchr(name, 0);
		231	while (p > name && !IS_DIRSEP(p[-1]))
		232	--p;
		233	return p;
		234	}
		235
		236	/* extract extension part of a file
		237	*
		238	* (if no extension, return pointer to end-of-string)
		239	*/
		240	PUB_FUNC char tcc_fileextension (const char name)
		241	{
		242	char *b = tcc_basename(name);
		243	char *e = strrchr(b, '.');
		244	return e ? e : strchr(b, 0);
		245	}
		246
		247	/********************************************************/
		248	/* memory management */
		249
		250	#undef free
		251	#undef malloc
		252	#undef realloc
		253
		254	#ifndef MEM_DEBUG
		255
		256	PUB_FUNC void tcc_free(void *ptr)
		257	{
		258	free(ptr);
		259	}
		260
		261	PUB_FUNC void *tcc_malloc(unsigned long size)
		262	{
		263	void *ptr;
		264	ptr = malloc(size);
		265	if (!ptr && size)
		266	tcc_error("memory full (malloc)");
		267	return ptr;
		268	}
		269
		270	PUB_FUNC void *tcc_mallocz(unsigned long size)
		271	{
		272	void *ptr;
		273	ptr = tcc_malloc(size);
		274	memset(ptr, 0, size);
		275	return ptr;
		276	}
		277
		278	PUB_FUNC void tcc_realloc(void ptr, unsigned long size)
		279	{
		280	void *ptr1;
		281	ptr1 = realloc(ptr, size);
		282	if (!ptr1 && size)
		283	tcc_error("memory full (realloc)");
		284	return ptr1;
		285	}
		286
		287	PUB_FUNC char tcc_strdup(const char str)
		288	{
		289	char *ptr;
		290	ptr = tcc_malloc(strlen(str) + 1);
		291	strcpy(ptr, str);
		292	return ptr;
		293	}
		294
		295	PUB_FUNC void tcc_memstats(int bench)
		296	{
		297	}
		298
		299	#else
		300
		301	#define MEM_DEBUG_MAGIC1 0xFEEDDEB1
		302	#define MEM_DEBUG_MAGIC2 0xFEEDDEB2
		303	#define MEM_DEBUG_FILE_LEN 15
		304
		305	struct mem_debug_header {
		306	size_t magic1;
		307	size_t size;
		308	struct mem_debug_header *prev;
		309	struct mem_debug_header *next;
		310	size_t line_num;
		311	char file_name[MEM_DEBUG_FILE_LEN + 1];
		312	size_t magic2;
		313	};
		314
		315	typedef struct mem_debug_header mem_debug_header_t;
		316
		317	static mem_debug_header_t *mem_debug_chain;
		318	static size_t mem_cur_size;
		319	static size_t mem_max_size;
		320
		321	PUB_FUNC void tcc_malloc_debug(unsigned long size, const char file, int line)
		322	{
		323	void *ptr;
		324	int ofs;
		325
		326	mem_debug_header_t *header;
		327
		328	ptr = malloc(sizeof(mem_debug_header_t) + size);
		329	if (!ptr)
		330	tcc_error("memory full (malloc)");
		331
		332	mem_cur_size += size;
		333	if (mem_cur_size > mem_max_size)
		334	mem_max_size = mem_cur_size;
		335
		336	header = (mem_debug_header_t *)ptr;
		337
		338	header->magic1 = MEM_DEBUG_MAGIC1;
		339	header->magic2 = MEM_DEBUG_MAGIC2;
		340	header->size = size;
		341	header->line_num = line;
		342
		343	ofs = strlen(file) - MEM_DEBUG_FILE_LEN;
		344	strncpy(header->file_name, file + (ofs > 0 ? ofs : 0), MEM_DEBUG_FILE_LEN);
		345	header->file_name[MEM_DEBUG_FILE_LEN] = 0;
		346
		347	header->next = mem_debug_chain;
		348	header->prev = NULL;
		349
		350	if (header->next)
		351	header->next->prev = header;
		352
		353	mem_debug_chain = header;
		354
		355	ptr = (char *)ptr + sizeof(mem_debug_header_t);
		356	return ptr;
		357	}
		358
		359	PUB_FUNC void tcc_free_debug(void *ptr)
		360	{
		361	mem_debug_header_t *header;
		362
		363	if (!ptr)
		364	return;
		365
		366	ptr = (char *)ptr - sizeof(mem_debug_header_t);
		367	header = (mem_debug_header_t *)ptr;
		368	if (header->magic1 != MEM_DEBUG_MAGIC1 \|\|
		369	header->magic2 != MEM_DEBUG_MAGIC2 \|\|
		370	header->size == (size_t)-1 )
		371	{
		372	tcc_error("tcc_free check failed");
		373	}
		374
		375	mem_cur_size -= header->size;
		376	header->size = (size_t)-1;
6441	siemargl	377
6429	siemargl	378	if (header->next)
		379	header->next->prev = header->prev;
		380
		381	if (header->prev)
		382	header->prev->next = header->next;
		383
		384	if (header == mem_debug_chain)
		385	mem_debug_chain = header->next;
		386
		387	free(ptr);
		388	}
		389
		390
		391	PUB_FUNC void tcc_mallocz_debug(unsigned long size, const char file, int line)
		392	{
		393	void *ptr;
		394	ptr = tcc_malloc_debug(size,file,line);
		395	memset(ptr, 0, size);
		396	return ptr;
		397	}
		398
		399	PUB_FUNC void tcc_realloc_debug(void ptr, unsigned long size, const char *file, int line)
		400	{
		401	mem_debug_header_t *header;
		402	int mem_debug_chain_update = 0;
		403
		404	if (!ptr) {
		405	ptr = tcc_malloc_debug(size, file, line);
		406	return ptr;
		407	}
		408
		409	ptr = (char *)ptr - sizeof(mem_debug_header_t);
		410	header = (mem_debug_header_t *)ptr;
		411	if (header->magic1 != MEM_DEBUG_MAGIC1 \|\|
		412	header->magic2 != MEM_DEBUG_MAGIC2 \|\|
		413	header->size == (size_t)-1 )
		414	{
		415	check_error:
		416	tcc_error("tcc_realloc check failed");
		417	}
		418
		419	mem_debug_chain_update = (header == mem_debug_chain);
		420
		421	mem_cur_size -= header->size;
		422	ptr = realloc(ptr, sizeof(mem_debug_header_t) + size);
		423	if (!ptr)
		424	tcc_error("memory full (realloc)");
		425
		426	header = (mem_debug_header_t *)ptr;
		427	if (header->magic1 != MEM_DEBUG_MAGIC1 \|\|
		428	header->magic2 != MEM_DEBUG_MAGIC2)
		429	{
		430	goto check_error;
		431	}
		432
		433	mem_cur_size += size;
		434	if (mem_cur_size > mem_max_size)
		435	mem_max_size = mem_cur_size;
		436
		437	header->size = size;
		438	if (header->next)
		439	header->next->prev = header;
		440
		441	if (header->prev)
		442	header->prev->next = header;
		443
		444	if (mem_debug_chain_update)
		445	mem_debug_chain = header;
		446
		447	ptr = (char *)ptr + sizeof(mem_debug_header_t);
		448	return ptr;
		449	}
		450
		451	PUB_FUNC char tcc_strdup_debug(const char str, const char *file, int line)
		452	{
		453	char *ptr;
		454	ptr = tcc_malloc_debug(strlen(str) + 1, file, line);
		455	strcpy(ptr, str);
		456	return ptr;
		457	}
		458
		459	PUB_FUNC void tcc_memstats(int bench)
		460	{
		461	if (mem_cur_size) {
		462	mem_debug_header_t *header = mem_debug_chain;
		463
		464	fprintf(stderr, "MEM_DEBUG: mem_leak= %d bytes, mem_max_size= %d bytes\n",
		465	mem_cur_size, mem_max_size);
		466
		467	while (header) {
		468	fprintf(stderr, " file %s, line %u: %u bytes\n",
		469	header->file_name, header->line_num, header->size);
		470	header = header->next;
		471	}
		472	}
		473	else if (bench)
		474	fprintf(stderr, "mem_max_size= %d bytes\n", mem_max_size);
		475	}
		476
		477	#undef MEM_DEBUG_MAGIC1
		478	#undef MEM_DEBUG_MAGIC2
		479	#undef MEM_DEBUG_FILE_LEN
		480
		481	#endif
		482
		483	#define free(p) use_tcc_free(p)
		484	#define malloc(s) use_tcc_malloc(s)
		485	#define realloc(p, s) use_tcc_realloc(p, s)
		486
		487	/********************************************************/
		488	/* dynarrays */
		489
		490	ST_FUNC void dynarray_add(void **ptab, int nb_ptr, void *data)
		491	{
		492	int nb, nb_alloc;
		493	void **pp;
		494
		495	nb = *nb_ptr;
		496	pp = *ptab;
		497	/* every power of two we double array size */
		498	if ((nb & (nb - 1)) == 0) {
		499	if (!nb)
		500	nb_alloc = 1;
		501	else
		502	nb_alloc = nb * 2;
		503	pp = tcc_realloc(pp, nb_alloc * sizeof(void *));
		504	*ptab = pp;
		505	}
		506	pp[nb++] = data;
		507	*nb_ptr = nb;
		508	}
		509
		510	ST_FUNC void dynarray_reset(void pp, int n)
		511	{
		512	void **p;
		513	for (p = (void*)pp; n; ++p, --*n)
		514	if (*p)
		515	tcc_free(*p);
		516	tcc_free((void*)pp);
		517	(void*)pp = NULL;
		518	}
		519
		520	static void tcc_split_path(TCCState s, void *p_ary, int p_nb_ary, const char *in)
		521	{
		522	const char *p;
		523	do {
		524	int c;
		525	CString str;
		526
		527	cstr_new(&str);
		528	for (p = in; c = *p, c != '\0' && c != PATHSEP; ++p) {
		529	if (c == '{' && p[1] && p[2] == '}') {
		530	c = p[1], p += 2;
		531	if (c == 'B')
		532	cstr_cat(&str, s->tcc_lib_path, -1);
		533	} else {
		534	cstr_ccat(&str, c);
		535	}
		536	}
		537	cstr_ccat(&str, '\0');
		538	dynarray_add(p_ary, p_nb_ary, tcc_strdup(str.data));
		539	cstr_free(&str);
		540	in = p+1;
		541	} while (*p);
		542	}
		543
		544	/********************************************************/
		545
		546	ST_FUNC Section new_section(TCCState s1, const char *name, int sh_type, int sh_flags)
		547	{
		548	Section *sec;
		549
		550	sec = tcc_mallocz(sizeof(Section) + strlen(name));
		551	strcpy(sec->name, name);
		552	sec->sh_type = sh_type;
		553	sec->sh_flags = sh_flags;
		554	switch(sh_type) {
		555	case SHT_HASH:
		556	case SHT_REL:
		557	case SHT_RELA:
		558	case SHT_DYNSYM:
		559	case SHT_SYMTAB:
		560	case SHT_DYNAMIC:
		561	sec->sh_addralign = 4;
		562	break;
		563	case SHT_STRTAB:
		564	sec->sh_addralign = 1;
		565	break;
		566	default:
		567	sec->sh_addralign = PTR_SIZE; /* gcc/pcc default aligment */
		568	break;
		569	}
		570
		571	if (sh_flags & SHF_PRIVATE) {
		572	dynarray_add((void ***)&s1->priv_sections, &s1->nb_priv_sections, sec);
		573	} else {
		574	sec->sh_num = s1->nb_sections;
		575	dynarray_add((void ***)&s1->sections, &s1->nb_sections, sec);
		576	}
		577
		578	return sec;
		579	}
		580
		581	static void free_section(Section *s)
		582	{
		583	tcc_free(s->data);
		584	}
		585
		586	/* realloc section and set its content to zero */
		587	ST_FUNC void section_realloc(Section *sec, unsigned long new_size)
		588	{
		589	unsigned long size;
		590	unsigned char *data;
		591
		592	size = sec->data_allocated;
		593	if (size == 0)
		594	size = 1;
		595	while (size < new_size)
		596	size = size * 2;
		597	data = tcc_realloc(sec->data, size);
		598	memset(data + sec->data_allocated, 0, size - sec->data_allocated);
		599	sec->data = data;
		600	sec->data_allocated = size;
		601	}
		602
		603	/* reserve at least 'size' bytes in section 'sec' from
		604	sec->data_offset. */
		605	ST_FUNC void section_ptr_add(Section sec, addr_t size)
		606	{
		607	size_t offset, offset1;
		608
		609	offset = sec->data_offset;
		610	offset1 = offset + size;
		611	if (offset1 > sec->data_allocated)
		612	section_realloc(sec, offset1);
		613	sec->data_offset = offset1;
		614	return sec->data + offset;
		615	}
		616
		617	/* reserve at least 'size' bytes from section start */
		618	ST_FUNC void section_reserve(Section *sec, unsigned long size)
		619	{
		620	if (size > sec->data_allocated)
		621	section_realloc(sec, size);
		622	if (size > sec->data_offset)
		623	sec->data_offset = size;
		624	}
		625
		626	/* return a reference to a section, and create it if it does not
		627	exists */
		628	ST_FUNC Section find_section(TCCState s1, const char *name)
		629	{
		630	Section *sec;
		631	int i;
		632	for(i = 1; i < s1->nb_sections; i++) {
		633	sec = s1->sections[i];
		634	if (!strcmp(name, sec->name))
		635	return sec;
		636	}
		637	/* sections are created as PROGBITS */
		638	return new_section(s1, name, SHT_PROGBITS, SHF_ALLOC);
		639	}
		640
		641	/* update sym->c so that it points to an external symbol in section
		642	'section' with value 'value' */
		643	ST_FUNC void put_extern_sym2(Sym sym, Section section,
		644	addr_t value, unsigned long size,
		645	int can_add_underscore)
		646	{
		647	int sym_type, sym_bind, sh_num, info, other;
		648	ElfW(Sym) *esym;
		649	const char *name;
		650	char buf1[256];
		651
		652	#ifdef CONFIG_TCC_BCHECK
		653	char buf[32];
		654	#endif
		655
		656	if (section == NULL)
		657	sh_num = SHN_UNDEF;
		658	else if (section == SECTION_ABS)
		659	sh_num = SHN_ABS;
		660	else
		661	sh_num = section->sh_num;
		662
		663	if ((sym->type.t & VT_BTYPE) == VT_FUNC) {
		664	sym_type = STT_FUNC;
		665	} else if ((sym->type.t & VT_BTYPE) == VT_VOID) {
		666	sym_type = STT_NOTYPE;
		667	} else {
		668	sym_type = STT_OBJECT;
		669	}
		670
		671	if (sym->type.t & VT_STATIC)
		672	sym_bind = STB_LOCAL;
		673	else {
		674	if (sym->type.t & VT_WEAK)
		675	sym_bind = STB_WEAK;
		676	else
		677	sym_bind = STB_GLOBAL;
		678	}
		679
		680	if (!sym->c) {
		681	name = get_tok_str(sym->v, NULL);
		682	#ifdef CONFIG_TCC_BCHECK
		683	if (tcc_state->do_bounds_check) {
		684	/* XXX: avoid doing that for statics ? */
		685	/* if bound checking is activated, we change some function
		686	names by adding the "__bound" prefix */
		687	switch(sym->v) {
		688	#ifdef TCC_TARGET_PE
		689	/* XXX: we rely only on malloc hooks */
		690	case TOK_malloc:
		691	case TOK_free:
		692	case TOK_realloc:
		693	case TOK_memalign:
		694	case TOK_calloc:
		695	#endif
		696	case TOK_memcpy:
		697	case TOK_memmove:
		698	case TOK_memset:
		699	case TOK_strlen:
		700	case TOK_strcpy:
		701	case TOK_alloca:
		702	strcpy(buf, "__bound_");
		703	strcat(buf, name);
		704	name = buf;
		705	break;
		706	}
		707	}
		708	#endif
		709	other = 0;
		710
		711	#ifdef TCC_TARGET_PE
		712	if (sym->type.t & VT_EXPORT)
		713	other \|= ST_PE_EXPORT;
		714	if (sym_type == STT_FUNC && sym->type.ref) {
		715	Sym *ref = sym->type.ref;
		716	if (ref->a.func_export)
		717	other \|= ST_PE_EXPORT;
		718	if (ref->a.func_call == FUNC_STDCALL && can_add_underscore) {
		719	sprintf(buf1, "_%s@%d", name, ref->a.func_args * PTR_SIZE);
		720	name = buf1;
		721	other \|= ST_PE_STDCALL;
		722	can_add_underscore = 0;
		723	}
		724	} else {
		725	if (find_elf_sym(tcc_state->dynsymtab_section, name))
		726	other \|= ST_PE_IMPORT;
		727	if (sym->type.t & VT_IMPORT)
		728	other \|= ST_PE_IMPORT;
		729	}
		730	#else
		731	if (! (sym->type.t & VT_STATIC))
		732	other = (sym->type.t & VT_VIS_MASK) >> VT_VIS_SHIFT;
		733	#endif
		734	if (tcc_state->leading_underscore && can_add_underscore) {
		735	buf1[0] = '_';
		736	pstrcpy(buf1 + 1, sizeof(buf1) - 1, name);
		737	name = buf1;
		738	}
		739	if (sym->asm_label) {
		740	name = get_tok_str(sym->asm_label, NULL);
		741	}
		742	info = ELFW(ST_INFO)(sym_bind, sym_type);
		743	sym->c = add_elf_sym(symtab_section, value, size, info, other, sh_num, name);
		744	} else {
		745	esym = &((ElfW(Sym) *)symtab_section->data)[sym->c];
		746	esym->st_value = value;
		747	esym->st_size = size;
		748	esym->st_shndx = sh_num;
		749	}
		750	}
		751
		752	ST_FUNC void put_extern_sym(Sym sym, Section section,
		753	addr_t value, unsigned long size)
		754	{
		755	put_extern_sym2(sym, section, value, size, 1);
		756	}
		757
		758	/* add a new relocation entry to symbol 'sym' in section 's' */
		759	ST_FUNC void greloca(Section s, Sym sym, unsigned long offset, int type,
		760	addr_t addend)
		761	{
		762	int c = 0;
		763	if (sym) {
		764	if (0 == sym->c)
		765	put_extern_sym(sym, NULL, 0, 0);
		766	c = sym->c;
		767	}
		768	/* now we can add ELF relocation info */
		769	put_elf_reloca(symtab_section, s, offset, type, c, addend);
		770	}
		771
		772	ST_FUNC void greloc(Section s, Sym sym, unsigned long offset, int type)
		773	{
		774	greloca(s, sym, offset, type, 0);
		775	}
		776
		777	/********************************************************/
		778
		779	static void strcat_vprintf(char buf, int buf_size, const char fmt, va_list ap)
		780	{
		781	int len;
		782	len = strlen(buf);
		783	vsnprintf(buf + len, buf_size - len, fmt, ap);
		784	}
		785
		786	static void strcat_printf(char buf, int buf_size, const char fmt, ...)
		787	{
		788	va_list ap;
		789	va_start(ap, fmt);
		790	strcat_vprintf(buf, buf_size, fmt, ap);
		791	va_end(ap);
		792	}
		793
		794	static void error1(TCCState s1, int is_warning, const char fmt, va_list ap)
		795	{
		796	char buf[2048];
		797	BufferedFile *pf, f;
		798
		799	buf[0] = '\0';
		800	/* use upper file if inline ":asm:" or token ":paste:" */
		801	for (f = file; f && f->filename[0] == ':'; f = f->prev)
		802	;
		803	if (f) {
		804	for(pf = s1->include_stack; pf < s1->include_stack_ptr; pf++)
		805	strcat_printf(buf, sizeof(buf), "In file included from %s:%d:\n",
		806	(pf)->filename, (pf)->line_num);
		807	if (f->line_num > 0) {
		808	strcat_printf(buf, sizeof(buf), "%s:%d: ",
		809	f->filename, f->line_num);
		810	} else {
		811	strcat_printf(buf, sizeof(buf), "%s: ",
		812	f->filename);
		813	}
		814	} else {
		815	strcat_printf(buf, sizeof(buf), "tcc: ");
		816	}
		817	if (is_warning)
		818	strcat_printf(buf, sizeof(buf), "warning: ");
		819	else
		820	strcat_printf(buf, sizeof(buf), "error: ");
		821	strcat_vprintf(buf, sizeof(buf), fmt, ap);
		822
		823	if (!s1->error_func) {
		824	/* default case: stderr */
		825	if (s1->ppfp) /* print a newline during tcc -E */
		826	fprintf(s1->ppfp, "\n"), fflush(s1->ppfp);
6574	siemargl	827	#ifndef TCC_TARGET_MEOS
6429	siemargl	828	fprintf(stderr, "%s\n", buf);
		829	fflush(stderr); /* print error/warning now (win32) */
6574	siemargl	830	#else
		831	fprintf(stdout, "%s\n", buf);
		832	fflush(stdout); /* print error/warning now (win32) */
		833	#endif
6429	siemargl	834	} else {
		835	s1->error_func(s1->error_opaque, buf);
		836	}
		837	if (!is_warning \|\| s1->warn_error)
		838	s1->nb_errors++;
		839	}
		840
		841	LIBTCCAPI void tcc_set_error_func(TCCState s, void error_opaque,
		842	void (error_func)(void opaque, const char *msg))
		843	{
		844	s->error_opaque = error_opaque;
		845	s->error_func = error_func;
		846	}
		847
		848	/* error without aborting current compilation */
		849	PUB_FUNC void tcc_error_noabort(const char *fmt, ...)
		850	{
		851	TCCState *s1 = tcc_state;
		852	va_list ap;
		853
		854	va_start(ap, fmt);
		855	error1(s1, 0, fmt, ap);
		856	va_end(ap);
		857	}
		858
		859	PUB_FUNC void tcc_error(const char *fmt, ...)
		860	{
		861	TCCState *s1 = tcc_state;
		862	va_list ap;
		863
		864	va_start(ap, fmt);
		865	error1(s1, 0, fmt, ap);
		866	va_end(ap);
		867	/* better than nothing: in some cases, we accept to handle errors */
		868	if (s1->error_set_jmp_enabled) {
		869	longjmp(s1->error_jmp_buf, 1);
		870	} else {
		871	/* XXX: eliminate this someday */
		872	exit(1);
		873	}
		874	}
		875
		876	PUB_FUNC void tcc_warning(const char *fmt, ...)
		877	{
		878	TCCState *s1 = tcc_state;
		879	va_list ap;
		880
		881	if (s1->warn_none)
		882	return;
		883
		884	va_start(ap, fmt);
		885	error1(s1, 1, fmt, ap);
		886	va_end(ap);
		887	}
		888
		889	/********************************************************/
		890	/* I/O layer */
		891
		892	ST_FUNC void tcc_open_bf(TCCState s1, const char filename, int initlen)
		893	{
		894	BufferedFile *bf;
		895	int buflen = initlen ? initlen : IO_BUF_SIZE;
		896
		897	bf = tcc_mallocz(sizeof(BufferedFile) + buflen);
		898	bf->buf_ptr = bf->buffer;
		899	bf->buf_end = bf->buffer + initlen;
		900	bf->buf_end[0] = CH_EOB; /* put eob symbol */
		901	pstrcpy(bf->filename, sizeof(bf->filename), filename);
		902	#ifdef _WIN32
		903	normalize_slashes(bf->filename);
		904	#endif
		905	bf->line_num = 1;
		906	bf->ifdef_stack_ptr = s1->ifdef_stack_ptr;
		907	bf->fd = -1;
		908	bf->prev = file;
		909	file = bf;
		910	}
		911
		912	ST_FUNC void tcc_close(void)
		913	{
		914	BufferedFile *bf = file;
		915	if (bf->fd > 0) {
		916	close(bf->fd);
		917	total_lines += bf->line_num;
		918	}
		919	file = bf->prev;
		920	tcc_free(bf);
		921	}
		922
		923	ST_FUNC int tcc_open(TCCState s1, const char filename)
		924	{
		925	int fd;
		926	if (strcmp(filename, "-") == 0)
		927	fd = 0, filename = "";
		928	else
		929	fd = open(filename, O_RDONLY \| O_BINARY);
		930	if ((s1->verbose == 2 && fd >= 0) \|\| s1->verbose == 3)
		931	printf("%s %*s%s\n", fd < 0 ? "nf":"->",
		932	(int)(s1->include_stack_ptr - s1->include_stack), "", filename);
		933	if (fd < 0)
		934	return -1;
		935
		936	tcc_open_bf(s1, filename, 0);
		937	file->fd = fd;
		938	return fd;
		939	}
		940
		941	/* compile the C file opened in 'file'. Return non zero if errors. */
		942	static int tcc_compile(TCCState *s1)
		943	{
		944	Sym *define_start;
		945	char buf[512];
		946	volatile int section_sym;
		947
		948	#ifdef INC_DEBUG
		949	printf("%s: **** new file\n", file->filename);
		950	#endif
		951	preprocess_init(s1);
		952
		953	cur_text_section = NULL;
		954	funcname = "";
		955	anon_sym = SYM_FIRST_ANOM;
		956
		957	/* file info: full path + filename */
		958	section_sym = 0; /* avoid warning */
		959	if (s1->do_debug) {
		960	section_sym = put_elf_sym(symtab_section, 0, 0,
		961	ELFW(ST_INFO)(STB_LOCAL, STT_SECTION), 0,
		962	text_section->sh_num, NULL);
		963	getcwd(buf, sizeof(buf));
		964	#ifdef _WIN32
		965	normalize_slashes(buf);
		966	#endif
		967	pstrcat(buf, sizeof(buf), "/");
		968	put_stabs_r(buf, N_SO, 0, 0,
		969	text_section->data_offset, text_section, section_sym);
		970	put_stabs_r(file->filename, N_SO, 0, 0,
		971	text_section->data_offset, text_section, section_sym);
		972	}
		973	/* an elf symbol of type STT_FILE must be put so that STB_LOCAL
		974	symbols can be safely used */
		975	put_elf_sym(symtab_section, 0, 0,
		976	ELFW(ST_INFO)(STB_LOCAL, STT_FILE), 0,
		977	SHN_ABS, file->filename);
		978
		979	/* define some often used types */
		980	int_type.t = VT_INT;
		981
		982	char_pointer_type.t = VT_BYTE;
		983	mk_pointer(&char_pointer_type);
		984
		985	#if PTR_SIZE == 4
		986	size_type.t = VT_INT;
		987	#else
		988	size_type.t = VT_LLONG;
		989	#endif
		990
		991	func_old_type.t = VT_FUNC;
		992	func_old_type.ref = sym_push(SYM_FIELD, &int_type, FUNC_CDECL, FUNC_OLD);
		993	#ifdef TCC_TARGET_ARM
		994	arm_init(s1);
		995	#endif
		996
		997	#if 0
		998	/* define 'void alloca(unsigned int)' builtin function /
		999	{
		1000	Sym *s1;
		1001
		1002	p = anon_sym++;
		1003	sym = sym_push(p, mk_pointer(VT_VOID), FUNC_CDECL, FUNC_NEW);
		1004	s1 = sym_push(SYM_FIELD, VT_UNSIGNED \| VT_INT, 0, 0);
		1005	s1->next = NULL;
		1006	sym->next = s1;
		1007	sym_push(TOK_alloca, VT_FUNC \| (p << VT_STRUCT_SHIFT), VT_CONST, 0);
		1008	}
		1009	#endif
		1010
		1011	define_start = define_stack;
		1012	nocode_wanted = 1;
		1013
		1014	if (setjmp(s1->error_jmp_buf) == 0) {
		1015	s1->nb_errors = 0;
		1016	s1->error_set_jmp_enabled = 1;
		1017
		1018	ch = file->buf_ptr[0];
		1019	tok_flags = TOK_FLAG_BOL \| TOK_FLAG_BOF;
		1020	parse_flags = PARSE_FLAG_PREPROCESS \| PARSE_FLAG_TOK_NUM \| PARSE_FLAG_TOK_STR;
		1021	next();
		1022	decl(VT_CONST);
		1023	if (tok != TOK_EOF)
		1024	expect("declaration");
		1025	check_vstack();
		1026
		1027	/* end of translation unit info */
		1028	if (s1->do_debug) {
		1029	put_stabs_r(NULL, N_SO, 0, 0,
		1030	text_section->data_offset, text_section, section_sym);
		1031	}
		1032	}
		1033
		1034	s1->error_set_jmp_enabled = 0;
		1035
		1036	/* reset define stack, but leave -Dsymbols (may be incorrect if
		1037	they are undefined) */
		1038	free_defines(define_start);
		1039
		1040	gen_inline_functions();
		1041
		1042	sym_pop(&global_stack, NULL);
		1043	sym_pop(&local_stack, NULL);
		1044
		1045	return s1->nb_errors != 0 ? -1 : 0;
		1046	}
		1047
		1048	LIBTCCAPI int tcc_compile_string(TCCState s, const char str)
		1049	{
		1050	int len, ret;
		1051
		1052	len = strlen(str);
		1053	tcc_open_bf(s, "", len);
		1054	memcpy(file->buffer, str, len);
		1055	ret = tcc_compile(s);
		1056	tcc_close();
		1057	return ret;
		1058	}
		1059
		1060	/* define a preprocessor symbol. A value can also be provided with the '=' operator */
		1061	LIBTCCAPI void tcc_define_symbol(TCCState s1, const char sym, const char *value)
		1062	{
		1063	int len1, len2;
		1064	/* default value */
		1065	if (!value)
		1066	value = "1";
		1067	len1 = strlen(sym);
		1068	len2 = strlen(value);
		1069
		1070	/* init file structure */
		1071	tcc_open_bf(s1, "", len1 + len2 + 1);
		1072	memcpy(file->buffer, sym, len1);
		1073	file->buffer[len1] = ' ';
		1074	memcpy(file->buffer + len1 + 1, value, len2);
		1075
		1076	/* parse with define parser */
		1077	ch = file->buf_ptr[0];
		1078	next_nomacro();
		1079	parse_define();
		1080
		1081	tcc_close();
		1082	}
		1083
		1084	/* undefine a preprocessor symbol */
		1085	LIBTCCAPI void tcc_undefine_symbol(TCCState s1, const char sym)
		1086	{
		1087	TokenSym *ts;
		1088	Sym *s;
		1089	ts = tok_alloc(sym, strlen(sym));
		1090	s = define_find(ts->tok);
		1091	/* undefine symbol by putting an invalid name */
		1092	if (s)
		1093	define_undef(s);
		1094	}
		1095
		1096	/* cleanup all static data used during compilation */
		1097	static void tcc_cleanup(void)
		1098	{
		1099	if (NULL == tcc_state)
		1100	return;
		1101	tcc_state = NULL;
		1102
		1103	preprocess_delete();
		1104
		1105	/* free sym_pools */
		1106	dynarray_reset(&sym_pools, &nb_sym_pools);
		1107	/* reset symbol stack */
		1108	sym_free_first = NULL;
		1109	}
		1110
		1111	LIBTCCAPI TCCState *tcc_new(void)
		1112	{
		1113	TCCState *s;
		1114	char buffer[100];
		1115	int a,b,c;
		1116
		1117	tcc_cleanup();
		1118
		1119	s = tcc_mallocz(sizeof(TCCState));
		1120	if (!s)
		1121	return NULL;
		1122	tcc_state = s;
		1123	#ifdef _WIN32
		1124	tcc_set_lib_path_w32(s);
		1125	#else
8272	superturbo	1126
8250	superturbo	1127	#if defined TCC_TARGET_MEOS && ! TCC_TARGET_MEOS_LINUX
7520	siemargl	1128	tcc_set_lib_path_kos(s);
		1129	#else
8272	superturbo	1130
		1131	#ifdef TCC_TARGET_MEOS_LINUX
		1132	tcc_set_lib_path_linux(s);
		1133	#else
6429	siemargl	1134	tcc_set_lib_path(s, CONFIG_TCCDIR);
		1135	#endif
7520	siemargl	1136	#endif
8272	superturbo	1137	#endif
6429	siemargl	1138	s->output_type = 0;
		1139	preprocess_new();
		1140	s->include_stack_ptr = s->include_stack;
		1141
		1142	/* we add dummy defines for some special macros to speed up tests
		1143	and to have working defined() */
		1144	define_push(TOK___LINE__, MACRO_OBJ, NULL, NULL);
		1145	define_push(TOK___FILE__, MACRO_OBJ, NULL, NULL);
		1146	define_push(TOK___DATE__, MACRO_OBJ, NULL, NULL);
		1147	define_push(TOK___TIME__, MACRO_OBJ, NULL, NULL);
		1148
		1149	/* define __TINYC__ 92X */
		1150	sscanf(TCC_VERSION, "%d.%d.%d", &a, &b, &c);
		1151	sprintf(buffer, "%d", a10000 + b100 + c);
		1152	tcc_define_symbol(s, "__TINYC__", buffer);
		1153
		1154	/* standard defines */
		1155	tcc_define_symbol(s, "__STDC__", NULL);
		1156	tcc_define_symbol(s, "__STDC_VERSION__", "199901L");
		1157	tcc_define_symbol(s, "__STDC_HOSTED__", NULL);
		1158
		1159	/* target defines */
		1160	#if defined(TCC_TARGET_I386)
		1161	tcc_define_symbol(s, "__i386__", NULL);
		1162	tcc_define_symbol(s, "__i386", NULL);
		1163	tcc_define_symbol(s, "i386", NULL);
		1164	#elif defined(TCC_TARGET_X86_64)
		1165	tcc_define_symbol(s, "__x86_64__", NULL);
		1166	#elif defined(TCC_TARGET_ARM)
		1167	tcc_define_symbol(s, "__ARM_ARCH_4__", NULL);
		1168	tcc_define_symbol(s, "__arm_elf__", NULL);
		1169	tcc_define_symbol(s, "__arm_elf", NULL);
		1170	tcc_define_symbol(s, "arm_elf", NULL);
		1171	tcc_define_symbol(s, "__arm__", NULL);
		1172	tcc_define_symbol(s, "__arm", NULL);
		1173	tcc_define_symbol(s, "arm", NULL);
		1174	tcc_define_symbol(s, "__APCS_32__", NULL);
		1175	tcc_define_symbol(s, "__ARMEL__", NULL);
		1176	#if defined(TCC_ARM_EABI)
		1177	tcc_define_symbol(s, "__ARM_EABI__", NULL);
		1178	#endif
		1179	#if defined(TCC_ARM_HARDFLOAT)
		1180	s->float_abi = ARM_HARD_FLOAT;
		1181	tcc_define_symbol(s, "__ARM_PCS_VFP", NULL);
		1182	#else
		1183	s->float_abi = ARM_SOFTFP_FLOAT;
		1184	#endif
		1185	#elif defined(TCC_TARGET_ARM64)
		1186	tcc_define_symbol(s, "__aarch64__", NULL);
		1187	#endif
		1188
		1189	#ifdef TCC_TARGET_PE
		1190	tcc_define_symbol(s, "_WIN32", NULL);
		1191	# ifdef TCC_TARGET_X86_64
		1192	tcc_define_symbol(s, "_WIN64", NULL);
		1193	# endif
9153	turbocat	1194	#elif defined(TCC_TARGET_MEOS) \|\| defined(TCC_TARGET_MEOS_LINUX)
		1195	tcc_define_symbol(s, "KOLIBRI", NULL);
		1196	tcc_define_symbol(s, "_KOLIBRI", NULL);
		1197	tcc_define_symbol(s, "_KOLIBRI_",NULL);
9305	Coldy	1198	#ifdef TCC_TARGET_KX
		1199	tcc_define_symbol(s, "__KX__", NULL);
		1200	#endif
6429	siemargl	1201	#else
		1202	tcc_define_symbol(s, "__unix__", NULL);
		1203	tcc_define_symbol(s, "__unix", NULL);
		1204	tcc_define_symbol(s, "unix", NULL);
		1205	# if defined(__linux__)
		1206	tcc_define_symbol(s, "__linux__", NULL);
		1207	tcc_define_symbol(s, "__linux", NULL);
		1208	# endif
		1209	# if defined(__FreeBSD__)
		1210	# define str(s) #s
		1211	tcc_define_symbol(s, "__FreeBSD__", str( __FreeBSD__));
		1212	# undef str
		1213	# endif
		1214	# if defined(__FreeBSD_kernel__)
		1215	tcc_define_symbol(s, "__FreeBSD_kernel__", NULL);
		1216	# endif
		1217	#endif
		1218	# if defined(__NetBSD__)
		1219	# define str(s) #s
		1220	tcc_define_symbol(s, "__NetBSD__", str( __NetBSD__));
		1221	# undef str
		1222	# endif
9153	turbocat	1223
6429	siemargl	1224	/* TinyCC & gcc defines */
		1225	#if defined TCC_TARGET_PE && defined TCC_TARGET_X86_64
		1226	tcc_define_symbol(s, "__SIZE_TYPE__", "unsigned long long");
		1227	tcc_define_symbol(s, "__PTRDIFF_TYPE__", "long long");
		1228	#else
		1229	tcc_define_symbol(s, "__SIZE_TYPE__", "unsigned long");
		1230	tcc_define_symbol(s, "__PTRDIFF_TYPE__", "long");
		1231	#endif
		1232
		1233	#ifdef TCC_TARGET_PE
		1234	tcc_define_symbol(s, "__WCHAR_TYPE__", "unsigned short");
		1235	tcc_define_symbol(s, "__WINT_TYPE__", "unsigned short");
		1236	#else
		1237	tcc_define_symbol(s, "__WCHAR_TYPE__", "int");
		1238	/* wint_t is unsigned int by default, but (signed) int on BSDs
		1239	and unsigned short on windows. Other OSes might have still
		1240	other conventions, sigh. */
		1241	#if defined(__FreeBSD__) \|\| defined (__FreeBSD_kernel__) \|\| defined(__NetBSD__)
		1242	tcc_define_symbol(s, "__WINT_TYPE__", "int");
		1243	#else
		1244	tcc_define_symbol(s, "__WINT_TYPE__", "unsigned int");
		1245	#endif
		1246	#endif
		1247
		1248	#ifndef TCC_TARGET_PE
		1249	/* glibc defines */
		1250	tcc_define_symbol(s, "__REDIRECT(name, proto, alias)", "name proto __asm__ (#alias)");
		1251	tcc_define_symbol(s, "__REDIRECT_NTH(name, proto, alias)", "name proto __asm__ (#alias) __THROW");
		1252	/* paths for crt objects */
		1253	tcc_split_path(s, (void ***)&s->crt_paths, &s->nb_crt_paths, CONFIG_TCC_CRTPREFIX);
		1254	#endif
		1255
		1256	/* no section zero */
		1257	dynarray_add((void ***)&s->sections, &s->nb_sections, NULL);
		1258
		1259	/* create standard sections */
		1260	text_section = new_section(s, ".text", SHT_PROGBITS, SHF_ALLOC \| SHF_EXECINSTR);
		1261	data_section = new_section(s, ".data", SHT_PROGBITS, SHF_ALLOC \| SHF_WRITE);
		1262	bss_section = new_section(s, ".bss", SHT_NOBITS, SHF_ALLOC \| SHF_WRITE);
		1263
		1264	/* symbols are always generated for linking stage */
		1265	symtab_section = new_symtab(s, ".symtab", SHT_SYMTAB, 0,
		1266	".strtab",
		1267	".hashtab", SHF_PRIVATE);
		1268	strtab_section = symtab_section->link;
		1269	s->symtab = symtab_section;
		1270
		1271	/* private symbol table for dynamic symbols */
		1272	s->dynsymtab_section = new_symtab(s, ".dynsymtab", SHT_SYMTAB, SHF_PRIVATE,
		1273	".dynstrtab",
		1274	".dynhashtab", SHF_PRIVATE);
		1275	s->alacarte_link = 1;
		1276	s->nocommon = 1;
		1277	s->warn_implicit_function_declaration = 1;
		1278
		1279	#ifdef CHAR_IS_UNSIGNED
		1280	s->char_is_unsigned = 1;
		1281	#endif
		1282	/* enable this if you want symbols with leading underscore on windows: */
		1283	#if 0 /* def TCC_TARGET_PE */
		1284	s->leading_underscore = 1;
		1285	#endif
		1286	#if 0 /* TCC_TARGET_MEOS */
		1287	s->leading_underscore = 1;
		1288	#endif
		1289	#ifdef TCC_TARGET_I386
		1290	s->seg_size = 32;
		1291	#endif
		1292	#ifdef TCC_IS_NATIVE
		1293	s->runtime_main = "main";
		1294	#endif
		1295	return s;
		1296	}
		1297
		1298	LIBTCCAPI void tcc_delete(TCCState *s1)
		1299	{
		1300	int i;
		1301	int bench = s1->do_bench;
		1302
		1303	tcc_cleanup();
		1304
		1305	/* close a preprocessor output */
		1306	if (s1->ppfp && s1->ppfp != stdout)
		1307	fclose(s1->ppfp);
		1308	if (s1->dffp && s1->dffp != s1->ppfp)
		1309	fclose(s1->dffp);
		1310
		1311	/* free all sections */
		1312	for(i = 1; i < s1->nb_sections; i++)
		1313	free_section(s1->sections[i]);
		1314	dynarray_reset(&s1->sections, &s1->nb_sections);
		1315
		1316	for(i = 0; i < s1->nb_priv_sections; i++)
		1317	free_section(s1->priv_sections[i]);
		1318	dynarray_reset(&s1->priv_sections, &s1->nb_priv_sections);
		1319
		1320	/* free any loaded DLLs */
		1321	#ifdef TCC_IS_NATIVE
		1322	for ( i = 0; i < s1->nb_loaded_dlls; i++) {
		1323	DLLReference *ref = s1->loaded_dlls[i];
		1324	if ( ref->handle )
		1325	dlclose(ref->handle);
		1326	}
		1327	#endif
		1328
		1329	/* free loaded dlls array */
		1330	dynarray_reset(&s1->loaded_dlls, &s1->nb_loaded_dlls);
		1331
		1332	/* free library paths */
		1333	dynarray_reset(&s1->library_paths, &s1->nb_library_paths);
		1334	dynarray_reset(&s1->crt_paths, &s1->nb_crt_paths);
		1335
		1336	/* free include paths */
		1337	dynarray_reset(&s1->cached_includes, &s1->nb_cached_includes);
		1338	dynarray_reset(&s1->include_paths, &s1->nb_include_paths);
		1339	dynarray_reset(&s1->sysinclude_paths, &s1->nb_sysinclude_paths);
		1340
		1341	tcc_free(s1->tcc_lib_path);
		1342	tcc_free(s1->soname);
		1343	tcc_free(s1->rpath);
		1344	tcc_free(s1->init_symbol);
		1345	tcc_free(s1->fini_symbol);
		1346	tcc_free(s1->outfile);
		1347	tcc_free(s1->deps_outfile);
		1348	dynarray_reset(&s1->files, &s1->nb_files);
		1349	dynarray_reset(&s1->target_deps, &s1->nb_target_deps);
		1350	dynarray_reset(&s1->pragma_libs, &s1->nb_pragma_libs);
		1351
		1352	#ifdef TCC_IS_NATIVE
		1353	# ifdef HAVE_SELINUX
		1354	munmap (s1->write_mem, s1->mem_size);
		1355	munmap (s1->runtime_mem, s1->mem_size);
		1356	# else
		1357	tcc_free(s1->runtime_mem);
		1358	# endif
		1359	#endif
		1360
		1361	tcc_free(s1->sym_attrs);
		1362	tcc_free(s1);
		1363	tcc_memstats(bench);
		1364	}
		1365
		1366	LIBTCCAPI int tcc_add_include_path(TCCState s, const char pathname)
		1367	{
		1368	tcc_split_path(s, (void ***)&s->include_paths, &s->nb_include_paths, pathname);
		1369	return 0;
		1370	}
		1371
		1372	LIBTCCAPI int tcc_add_sysinclude_path(TCCState s, const char pathname)
		1373	{
		1374	tcc_split_path(s, (void ***)&s->sysinclude_paths, &s->nb_sysinclude_paths, pathname);
		1375	return 0;
		1376	}
		1377
		1378	ST_FUNC int tcc_add_file_internal(TCCState s1, const char filename, int flags, int filetype)
		1379	{
		1380	ElfW(Ehdr) ehdr;
		1381	int fd, ret, size;
		1382
		1383	parse_flags = 0;
		1384	#ifdef CONFIG_TCC_ASM
		1385	/* if .S file, define __ASSEMBLER__ like gcc does */
		1386	if ((filetype == TCC_FILETYPE_ASM) \|\| (filetype == TCC_FILETYPE_ASM_PP)) {
		1387	tcc_define_symbol(s1, "__ASSEMBLER__", NULL);
		1388	parse_flags = PARSE_FLAG_ASM_FILE;
		1389	}
		1390	#endif
		1391
		1392	/* open the file */
		1393	ret = tcc_open(s1, filename);
		1394	if (ret < 0) {
		1395	if (flags & AFF_PRINT_ERROR)
		1396	tcc_error_noabort("file '%s' not found", filename);
		1397	return ret;
		1398	}
		1399
		1400	/* update target deps */
		1401	dynarray_add((void ***)&s1->target_deps, &s1->nb_target_deps,
		1402	tcc_strdup(filename));
		1403
		1404	if (flags & AFF_PREPROCESS) {
		1405	ret = tcc_preprocess(s1);
		1406	goto the_end;
		1407	}
		1408
		1409	if (filetype == TCC_FILETYPE_C) {
		1410	/* C file assumed */
		1411	ret = tcc_compile(s1);
		1412	goto the_end;
		1413	}
		1414
		1415	#ifdef CONFIG_TCC_ASM
		1416	if (filetype == TCC_FILETYPE_ASM_PP) {
		1417	/* non preprocessed assembler */
		1418	ret = tcc_assemble(s1, 1);
		1419	goto the_end;
		1420	}
		1421
		1422	if (filetype == TCC_FILETYPE_ASM) {
		1423	/* preprocessed assembler */
		1424	ret = tcc_assemble(s1, 0);
		1425	goto the_end;
		1426	}
		1427	#endif
		1428
		1429	fd = file->fd;
		1430	/* assume executable format: auto guess file type */
		1431	size = read(fd, &ehdr, sizeof(ehdr));
		1432	lseek(fd, 0, SEEK_SET);
		1433	if (size <= 0) {
		1434	tcc_error_noabort("could not read header");
		1435	goto the_end;
		1436	}
		1437
		1438	if (size == sizeof(ehdr) &&
		1439	ehdr.e_ident[0] == ELFMAG0 &&
		1440	ehdr.e_ident[1] == ELFMAG1 &&
		1441	ehdr.e_ident[2] == ELFMAG2 &&
		1442	ehdr.e_ident[3] == ELFMAG3) {
		1443
		1444	/* do not display line number if error */
		1445	file->line_num = 0;
		1446	if (ehdr.e_type == ET_REL) {
		1447	ret = tcc_load_object_file(s1, fd, 0);
		1448	goto the_end;
		1449
		1450	}
		1451	#if !defined(TCC_TARGET_PE) && !defined(TCC_TARGET_MEOS)
		1452	if (ehdr.e_type == ET_DYN) {
		1453	if (s1->output_type == TCC_OUTPUT_MEMORY) {
		1454	#ifdef TCC_IS_NATIVE
		1455	void *h;
		1456	h = dlopen(filename, RTLD_GLOBAL \| RTLD_LAZY);
		1457	if (h)
		1458	#endif
		1459	ret = 0;
		1460	} else {
		1461	ret = tcc_load_dll(s1, fd, filename,
		1462	(flags & AFF_REFERENCED_DLL) != 0);
		1463	}
		1464	goto the_end;
		1465	}
		1466	#endif
		1467	tcc_error_noabort("unrecognized ELF file");
		1468	goto the_end;
		1469	}
		1470
		1471	if (memcmp((char *)&ehdr, ARMAG, 8) == 0) {
		1472	file->line_num = 0; /* do not display line number if error */
		1473	ret = tcc_load_archive(s1, fd);
		1474	goto the_end;
		1475	}
		1476
		1477	#ifdef TCC_TARGET_COFF
		1478	if ((uint16_t )(&ehdr) == COFF_C67_MAGIC) {
		1479	ret = tcc_load_coff(s1, fd);
		1480	goto the_end;
		1481	}
		1482	#endif
		1483
9284	Coldy	1484	#if defined (TCC_TARGET_PE) \|\| (defined(TCC_TARGET_MEOS) && !defined(TCC_TARGET_KX))
6429	siemargl	1485	ret = pe_load_file(s1, filename, fd);
9284	Coldy	1486	#elif defined(TCC_TARGET_KX)
		1487	ret = pe_load_def(s1, fd);
6429	siemargl	1488	#else
		1489	/* as GNU ld, consider it is an ld script if not recognized */
		1490	ret = tcc_load_ldscript(s1);
		1491	#endif
		1492	if (ret < 0)
		1493	tcc_error_noabort("unrecognized file type");
		1494
		1495	the_end:
		1496	tcc_close();
		1497	return ret;
		1498	}
		1499
		1500	LIBTCCAPI int tcc_add_file(TCCState s, const char filename, int filetype)
		1501	{
		1502	if (s->output_type == TCC_OUTPUT_PREPROCESS)
		1503	return tcc_add_file_internal(s, filename, AFF_PRINT_ERROR \| AFF_PREPROCESS, filetype);
		1504	else
		1505	return tcc_add_file_internal(s, filename, AFF_PRINT_ERROR, filetype);
		1506	}
		1507
		1508	LIBTCCAPI int tcc_add_library_path(TCCState s, const char pathname)
		1509	{
		1510	tcc_split_path(s, (void ***)&s->library_paths, &s->nb_library_paths, pathname);
		1511	return 0;
		1512	}
		1513
		1514	static int tcc_add_library_internal(TCCState s, const char fmt,
		1515	const char filename, int flags, char *paths, int nb_paths)
		1516	{
		1517	char buf[1024];
		1518	int i;
		1519
		1520	for(i = 0; i < nb_paths; i++) {
		1521	snprintf(buf, sizeof(buf), fmt, paths[i], filename);
7520	siemargl	1522	//printf("tcc_add_library_internal::added lib [%s]\n", buf);
6429	siemargl	1523	if (tcc_add_file_internal(s, buf, flags, TCC_FILETYPE_BINARY) == 0)
		1524	return 0;
		1525	}
		1526	return -1;
		1527	}
		1528
		1529	#if !defined(TCC_TARGET_PE) && !defined(TCC_TARGET_MEOS)
		1530	/* find and load a dll. Return non zero if not found */
		1531	/* XXX: add '-rpath' option support ? */
		1532	ST_FUNC int tcc_add_dll(TCCState s, const char filename, int flags)
		1533	{
		1534	return tcc_add_library_internal(s, "%s/%s", filename, flags,
		1535	s->library_paths, s->nb_library_paths);
		1536	}
		1537	#endif
		1538
		1539	ST_FUNC int tcc_add_crt(TCCState s, const char filename)
		1540	{
		1541	if (-1 == tcc_add_library_internal(s, "%s/%s",
		1542	filename, 0, s->crt_paths, s->nb_crt_paths))
		1543	tcc_error_noabort("file '%s' not found", filename);
		1544	return 0;
		1545	}
		1546
		1547	/* the library name is the same as the argument of the '-l' option */
		1548	LIBTCCAPI int tcc_add_library(TCCState s, const char libraryname)
		1549	{
		1550	#if defined(TCC_TARGET_PE) \|\| defined(TCC_TARGET_MEOS)
		1551	const char *libs[] = { "%s/%s.def", "%s/lib%s.def", "%s/%s.dll", "%s/lib%s.dll", "%s/lib%s.a", NULL };
		1552	const char **pp = s->static_link ? libs + 4 : libs;
		1553	#else
		1554	const char *libs[] = { "%s/lib%s.so", "%s/lib%s.a", NULL };
		1555	const char **pp = s->static_link ? libs + 1 : libs;
		1556	#endif
		1557	while (*pp) {
		1558	if (0 == tcc_add_library_internal(s, *pp,
		1559	libraryname, 0, s->library_paths, s->nb_library_paths))
		1560	return 0;
		1561	++pp;
		1562	}
		1563	return -1;
		1564	}
		1565
		1566	PUB_FUNC int tcc_add_library_err(TCCState s, const char libname)
		1567	{
		1568	int ret = tcc_add_library(s, libname);
		1569	if (ret < 0)
		1570	tcc_error_noabort("cannot find library 'lib%s'", libname);
		1571	return ret;
		1572	}
		1573
		1574	/* habdle #pragma comment(lib,) */
		1575	ST_FUNC void tcc_add_pragma_libs(TCCState *s1)
		1576	{
		1577	int i;
		1578	for (i = 0; i < s1->nb_pragma_libs; i++)
		1579	tcc_add_library_err(s1, s1->pragma_libs[i]);
		1580	}
		1581
		1582	LIBTCCAPI int tcc_add_symbol(TCCState s, const char name, const void *val)
		1583	{
		1584	#if defined(TCC_TARGET_PE) \|\| defined(TCC_TARGET_MEOS)
		1585	/* On x86_64 'val' might not be reachable with a 32bit offset.
		1586	So it is handled here as if it were in a DLL. */
		1587	pe_putimport(s, 0, name, (uintptr_t)val);
		1588	#else
		1589	add_elf_sym(symtab_section, (uintptr_t)val, 0,
		1590	ELFW(ST_INFO)(STB_GLOBAL, STT_NOTYPE), 0,
		1591	SHN_ABS, name);
		1592	#endif
		1593	return 0;
		1594	}
		1595
		1596
		1597	/* Windows stat* ( https://msdn.microsoft.com/en-us/library/14h5k7ff.aspx ):
		1598	* - st_gid, st_ino, st_uid: only valid on "unix" file systems (not FAT, NTFS, etc)
		1599	* - st_atime, st_ctime: not valid on FAT, valid on NTFS.
		1600	* - Other fields should be reasonably compatible (and S_ISDIR should work).
		1601	*
		1602	* BY_HANDLE_FILE_INFORMATION ( https://msdn.microsoft.com/en-us/library/windows/desktop/aa363788%28v=vs.85%29.aspx ):
		1603	* - File index (combined nFileIndexHigh and nFileIndexLow) _may_ change when the file is opened.
		1604	* - But on NTFS: it's guaranteed to be the same value until the file is deleted.
		1605	* - On windows server 2012 there's a 128b file id, and the 64b one via
		1606	* nFileIndex* is not guaranteed to be unique.
		1607	*
		1608	* - MS Docs suggest to that volume number with the file index could be used to
		1609	* check if two handles refer to the same file.
		1610	*/
		1611	#ifndef _WIN32
		1612	typedef struct stat file_info_t;
		1613	#else
		1614	typedef BY_HANDLE_FILE_INFORMATION file_info_t;
		1615	#endif
		1616
		1617	int get_file_info(const char fname, file_info_t out_info)
		1618	{
		1619	#ifndef _WIN32
		1620	return stat(fname, out_info);
		1621	#else
		1622	int rv = 1;
		1623	HANDLE h = CreateFile(fname, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING,
		1624	FILE_ATTRIBUTE_NORMAL\|FILE_FLAG_BACKUP_SEMANTICS, NULL);
		1625
		1626	if (h != INVALID_HANDLE_VALUE) {
		1627	rv = !GetFileInformationByHandle(h, out_info);
		1628	CloseHandle(h);
		1629	}
		1630	return rv;
		1631	#endif
		1632	}
		1633
		1634	int is_dir(file_info_t *info)
		1635	{
		1636	#ifndef _WIN32
		1637	return S_ISDIR(info->st_mode);
		1638	#else
		1639	return (info->dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) ==
		1640	FILE_ATTRIBUTE_DIRECTORY;
		1641	#endif
		1642	}
		1643
		1644	int is_same_file(const file_info_t fi1, const file_info_t fi2)
		1645	{
		1646	#ifndef _WIN32
		1647	return fi1->st_dev == fi2->st_dev &&
		1648	fi1->st_ino == fi2->st_ino;
		1649	#else
		1650	return fi1->dwVolumeSerialNumber == fi2->dwVolumeSerialNumber &&
		1651	fi1->nFileIndexHigh == fi2->nFileIndexHigh &&
		1652	fi1->nFileIndexLow == fi2->nFileIndexLow;
		1653	#endif
		1654	}
		1655
		1656	static void
		1657	tcc_normalize_inc_dirs_aux(file_info_t stats, size_t pnum, char **path)
		1658	{
		1659	size_t i, num = *pnum;
		1660	if (get_file_info(*path, &stats[num]) \|\| !is_dir(&stats[num]))
		1661	goto remove;
		1662	for (i = 0; i < num; i++)
		1663	if (is_same_file(&stats[i], &stats[num]))
		1664	goto remove;
		1665	*pnum = num + 1;
		1666	return;
		1667	remove:
		1668	tcc_free(*path);
		1669	*path = 0;
		1670	}
		1671
		1672	/* Remove non-existent and duplicate directories from include paths. */
		1673	ST_FUNC void tcc_normalize_inc_dirs(TCCState *s)
		1674	{
		1675	file_info_t *stats =
		1676	tcc_malloc(((size_t)s->nb_sysinclude_paths + s->nb_include_paths) *
		1677	sizeof(*stats));
		1678	size_t i, num = 0;
		1679	for (i = 0; i < s->nb_sysinclude_paths; i++)
		1680	tcc_normalize_inc_dirs_aux(stats, &num, &s->sysinclude_paths[i]);
		1681	for (i = 0; i < s->nb_include_paths; i++)
		1682	tcc_normalize_inc_dirs_aux(stats, &num, &s->include_paths[i]);
		1683	tcc_free(stats);
		1684	}
		1685
		1686	LIBTCCAPI int tcc_set_output_type(TCCState *s, int output_type)
		1687	{
		1688	s->output_type = output_type;
		1689
		1690	if (s->output_type == TCC_OUTPUT_PREPROCESS) {
		1691	if (!s->outfile) {
		1692	s->ppfp = stdout;
		1693	} else {
		1694	s->ppfp = fopen(s->outfile, "w");
		1695	if (!s->ppfp)
		1696	tcc_error("could not write '%s'", s->outfile);
		1697	}
		1698	s->dffp = s->ppfp;
		1699	if (s->dflag == 'M')
		1700	s->ppfp = NULL;
		1701	}
		1702	if (s->option_C && !s->ppfp)
		1703	s->option_C = 0;
		1704
		1705	if (!s->nostdinc) {
		1706	/* default include paths */
		1707	/* -isystem paths have already been handled */
		1708	tcc_add_sysinclude_path(s, CONFIG_TCC_SYSINCLUDEPATHS);
		1709	}
		1710
		1711	/* if bound checking, then add corresponding sections */
		1712	#ifdef CONFIG_TCC_BCHECK
		1713	if (s->do_bounds_check) {
		1714	/* define symbol */
		1715	tcc_define_symbol(s, "__BOUNDS_CHECKING_ON", NULL);
		1716	/* create bounds sections */
		1717	bounds_section = new_section(s, ".bounds",
		1718	SHT_PROGBITS, SHF_ALLOC);
		1719	lbounds_section = new_section(s, ".lbounds",
		1720	SHT_PROGBITS, SHF_ALLOC);
		1721	}
		1722	#endif
		1723
		1724	if (s->char_is_unsigned) {
		1725	tcc_define_symbol(s, "__CHAR_UNSIGNED__", NULL);
		1726	}
		1727
		1728	/* add debug sections */
		1729	if (s->do_debug) {
		1730	/* stab symbols */
		1731	stab_section = new_section(s, ".stab", SHT_PROGBITS, 0);
		1732	stab_section->sh_entsize = sizeof(Stab_Sym);
		1733	stabstr_section = new_section(s, ".stabstr", SHT_STRTAB, 0);
		1734	put_elf_str(stabstr_section, "");
		1735	stab_section->link = stabstr_section;
		1736	/* put first entry */
		1737	put_stabs("", 0, 0, 0, 0);
		1738	}
		1739
		1740	tcc_add_library_path(s, CONFIG_TCC_LIBPATHS);
		1741	#ifdef TCC_TARGET_PE
		1742	# ifdef _WIN32
		1743	tcc_add_systemdir(s);
		1744	# endif
		1745	#elif defined(TCC_TARGET_MEOS)
		1746	if (s->output_type != TCC_OUTPUT_OBJ && !s->nostdlib)
		1747	{
8799	turbocat	1748	tcc_add_crt(s,"crt0.o");
9545	turbocat	1749	tcc_add_library_err(s, "c");
		1750	tcc_add_library_err(s, "tcc1");
6429	siemargl	1751	}
		1752	#else
		1753	/* add libc crt1/crti objects */
		1754	if ((output_type == TCC_OUTPUT_EXE \|\| output_type == TCC_OUTPUT_DLL) &&
		1755	!s->nostdlib) {
		1756	if (output_type != TCC_OUTPUT_DLL)
		1757	tcc_add_crt(s, "crt1.o");
		1758	tcc_add_crt(s, "crti.o");
		1759	}
		1760	#endif
		1761
		1762	#ifdef CONFIG_TCC_BCHECK
		1763	if (s->do_bounds_check && (output_type == TCC_OUTPUT_EXE))
		1764	{
		1765	/* force a bcheck.o linking */
		1766	addr_t func = TOK___bound_init;
		1767	Sym *sym = external_global_sym(func, &func_old_type, 0);
		1768	if (!sym->c)
		1769	put_extern_sym(sym, NULL, 0, 0);
		1770	}
		1771	#endif
		1772
		1773	if (s->normalize_inc_dirs)
		1774	tcc_normalize_inc_dirs(s);
		1775	if (s->output_type == TCC_OUTPUT_PREPROCESS)
		1776	print_defines();
		1777
		1778	return 0;
		1779	}
		1780
		1781	LIBTCCAPI void tcc_set_lib_path(TCCState s, const char path)
		1782	{
		1783	tcc_free(s->tcc_lib_path);
		1784	s->tcc_lib_path = tcc_strdup(path);
		1785	}
		1786
		1787	#define WD_ALL 0x0001 /* warning is activated when using -Wall */
		1788	#define FD_INVERT 0x0002 /* invert value before storing */
		1789
		1790	typedef struct FlagDef {
		1791	uint16_t offset;
		1792	uint16_t flags;
		1793	const char *name;
		1794	} FlagDef;
		1795
		1796	static const FlagDef warning_defs[] = {
		1797	{ offsetof(TCCState, warn_unsupported), 0, "unsupported" },
		1798	{ offsetof(TCCState, warn_write_strings), 0, "write-strings" },
		1799	{ offsetof(TCCState, warn_error), 0, "error" },
		1800	{ offsetof(TCCState, warn_implicit_function_declaration), WD_ALL,
		1801	"implicit-function-declaration" },
		1802	};
		1803
		1804	ST_FUNC int set_flag(TCCState s, const FlagDef flags, int nb_flags,
		1805	const char *name, int value)
		1806	{
		1807	int i;
		1808	const FlagDef *p;
		1809	const char *r;
		1810
		1811	r = name;
		1812	if (r[0] == 'n' && r[1] == 'o' && r[2] == '-') {
		1813	r += 3;
		1814	value = !value;
		1815	}
		1816	for(i = 0, p = flags; i < nb_flags; i++, p++) {
		1817	if (!strcmp(r, p->name))
		1818	goto found;
		1819	}
		1820	return -1;
		1821	found:
		1822	if (p->flags & FD_INVERT)
		1823	value = !value;
		1824	(int )((uint8_t *)s + p->offset) = value;
		1825	return 0;
		1826	}
		1827
		1828	/* set/reset a warning */
		1829	static int tcc_set_warning(TCCState s, const char warning_name, int value)
		1830	{
		1831	int i;
		1832	const FlagDef *p;
		1833
		1834	if (!strcmp(warning_name, "all")) {
		1835	for(i = 0, p = warning_defs; i < countof(warning_defs); i++, p++) {
		1836	if (p->flags & WD_ALL)
		1837	(int )((uint8_t *)s + p->offset) = 1;
		1838	}
		1839	s->warn_unsupported = 1; // siemargl. was unused flag about compiler features
		1840	return 0;
		1841	} else {
		1842	return set_flag(s, warning_defs, countof(warning_defs),
		1843	warning_name, value);
		1844	}
		1845	}
		1846
		1847	static const FlagDef flag_defs[] = {
		1848	{ offsetof(TCCState, char_is_unsigned), 0, "unsigned-char" },
		1849	{ offsetof(TCCState, char_is_unsigned), FD_INVERT, "signed-char" },
		1850	{ offsetof(TCCState, nocommon), FD_INVERT, "common" },
		1851	{ offsetof(TCCState, leading_underscore), 0, "leading-underscore" },
		1852	{ offsetof(TCCState, ms_extensions), 0, "ms-extensions" },
		1853	{ offsetof(TCCState, old_struct_init_code), 0, "old-struct-init-code" },
		1854	{ offsetof(TCCState, dollars_in_identifiers), 0, "dollars-in-identifiers" },
		1855	{ offsetof(TCCState, normalize_inc_dirs), 0, "normalize-inc-dirs" },
		1856	};
		1857
		1858	/* set/reset a flag */
		1859	static int tcc_set_flag(TCCState s, const char flag_name, int value)
		1860	{
		1861	return set_flag(s, flag_defs, countof(flag_defs),
		1862	flag_name, value);
		1863	}
		1864
		1865
		1866	static int strstart(const char val, const char *str)
		1867	{
		1868	const char p, q;
		1869	p = *str;
		1870	q = val;
		1871	while (*q) {
		1872	if (p != q)
		1873	return 0;
		1874	p++;
		1875	q++;
		1876	}
		1877	*str = p;
		1878	return 1;
		1879	}
		1880
		1881	/* Like strstart, but automatically takes into account that ld options can
		1882	*
		1883	* - start with double or single dash (e.g. '--soname' or '-soname')
		1884	* - arguments can be given as separate or after '=' (e.g. '-Wl,-soname,x.so'
		1885	* or '-Wl,-soname=x.so')
		1886	*
		1887	* you provide `val` always in 'option[=]' form (no leading -)
		1888	*/
		1889	static int link_option(const char str, const char val, const char **ptr)
		1890	{
		1891	const char p, q;
		1892
		1893	/* there should be 1 or 2 dashes */
		1894	if (*str++ != '-')
		1895	return 0;
		1896	if (*str == '-')
		1897	str++;
		1898
		1899	/* then str & val should match (potentialy up to '=') */
		1900	p = str;
		1901	q = val;
		1902
		1903	while (q != '\0' && q != '=') {
		1904	if (p != q)
		1905	return 0;
		1906	p++;
		1907	q++;
		1908	}
		1909
		1910	/* '=' near eos means ',' or '=' is ok */
		1911	if (*q == '=') {
		1912	if (p != ',' && p != '=')
		1913	return 0;
		1914	p++;
		1915	q++;
		1916	}
		1917
		1918	if (ptr)
		1919	*ptr = p;
		1920	return 1;
		1921	}
		1922
		1923	static const char skip_linker_arg(const char *str)
		1924	{
		1925	const char s1 = str;
		1926	const char *s2 = strchr(s1, ',');
		1927	*str = s2 ? s2++ : (s2 = s1 + strlen(s1));
		1928	return s2;
		1929	}
		1930
		1931	static char copy_linker_arg(const char p)
		1932	{
		1933	const char *q = p;
		1934	skip_linker_arg(&q);
		1935	return pstrncpy(tcc_malloc(q - p + 1), p, q - p);
		1936	}
		1937
		1938	/* set linker options */
		1939	static int tcc_set_linker(TCCState s, const char option)
8157	Boppan	1940	{
6429	siemargl	1941	while (option && *option) {
		1942
		1943	const char *p = option;
		1944	char *end = NULL;
		1945	int ignoring = 0;
		1946
		1947	if (link_option(option, "Bsymbolic", &p)) {
		1948	s->symbolic = 1;
		1949	} else if (link_option(option, "nostdlib", &p)) {
		1950	s->nostdlib = 1;
		1951	} else if (link_option(option, "fini=", &p)) {
		1952	s->fini_symbol = copy_linker_arg(p);
		1953	ignoring = 1;
		1954	} else if (link_option(option, "image-base=", &p)
		1955	\|\| link_option(option, "Ttext=", &p)) {
		1956	s->text_addr = strtoull(p, &end, 16);
		1957	s->has_text_addr = 1;
		1958	} else if (link_option(option, "init=", &p)) {
		1959	s->init_symbol = copy_linker_arg(p);
		1960	ignoring = 1;
		1961	} else if (link_option(option, "oformat=", &p)) {
		1962	#if defined(TCC_TARGET_PE)
		1963	if (strstart("pe-", &p)) {
		1964	#elif defined(TCC_TARGET_ARM64) \|\| defined(TCC_TARGET_X86_64)
		1965	if (strstart("elf64-", &p)) {
		1966	#else
		1967	if (strstart("elf32-", &p)) {
		1968	#endif
		1969	s->output_format = TCC_OUTPUT_FORMAT_ELF;
		1970	} else if (!strcmp(p, "binary")) {
		1971	s->output_format = TCC_OUTPUT_FORMAT_BINARY;
		1972	#ifdef TCC_TARGET_COFF
		1973	} else if (!strcmp(p, "coff")) {
		1974	s->output_format = TCC_OUTPUT_FORMAT_COFF;
		1975	#endif
		1976	} else
		1977	goto err;
		1978
		1979	} else if (link_option(option, "as-needed", &p)) {
		1980	ignoring = 1;
		1981	} else if (link_option(option, "O", &p)) {
		1982	ignoring = 1;
		1983	} else if (link_option(option, "rpath=", &p)) {
		1984	s->rpath = copy_linker_arg(p);
		1985	} else if (link_option(option, "section-alignment=", &p)) {
		1986	s->section_align = strtoul(p, &end, 16);
		1987	} else if (link_option(option, "soname=", &p)) {
		1988	s->soname = copy_linker_arg(p);
		1989	#ifdef TCC_TARGET_PE
		1990	} else if (link_option(option, "file-alignment=", &p)) {
		1991	s->pe_file_align = strtoul(p, &end, 16);
		1992	} else if (link_option(option, "stack=", &p)) {
		1993	s->pe_stack_size = strtoul(p, &end, 10);
		1994	} else if (link_option(option, "subsystem=", &p)) {
		1995	#if defined(TCC_TARGET_I386) \|\| defined(TCC_TARGET_X86_64)
		1996	if (!strcmp(p, "native")) {
		1997	s->pe_subsystem = 1;
		1998	} else if (!strcmp(p, "console")) {
		1999	s->pe_subsystem = 3;
		2000	} else if (!strcmp(p, "gui")) {
		2001	s->pe_subsystem = 2;
		2002	} else if (!strcmp(p, "posix")) {
		2003	s->pe_subsystem = 7;
		2004	} else if (!strcmp(p, "efiapp")) {
		2005	s->pe_subsystem = 10;
		2006	} else if (!strcmp(p, "efiboot")) {
		2007	s->pe_subsystem = 11;
		2008	} else if (!strcmp(p, "efiruntime")) {
		2009	s->pe_subsystem = 12;
		2010	} else if (!strcmp(p, "efirom")) {
		2011	s->pe_subsystem = 13;
		2012	#elif defined(TCC_TARGET_ARM)
		2013	if (!strcmp(p, "wince")) {
		2014	s->pe_subsystem = 9;
		2015	#endif
		2016	} else
		2017	goto err;
		2018	#endif
		2019	} else
		2020	goto err;
		2021
		2022	if (ignoring && s->warn_unsupported) err: {
		2023	char buf[100], *e;
		2024	pstrcpy(buf, sizeof buf, e = copy_linker_arg(option)), tcc_free(e);
		2025	if (ignoring)
		2026	tcc_warning("unsupported linker option '%s'", buf);
		2027	else
		2028	tcc_error("unsupported linker option '%s'", buf);
		2029	}
		2030	option = skip_linker_arg(&p);
		2031	}
		2032	return 0;
		2033	}
		2034
		2035	typedef struct TCCOption {
		2036	const char *name;
		2037	uint16_t index;
		2038	uint16_t flags;
		2039	} TCCOption;
		2040
		2041	enum {
		2042	TCC_OPTION_HELP,
		2043	TCC_OPTION_I,
		2044	TCC_OPTION_D,
		2045	TCC_OPTION_U,
		2046	TCC_OPTION_P,
		2047	TCC_OPTION_L,
		2048	TCC_OPTION_B,
		2049	TCC_OPTION_l,
		2050	TCC_OPTION_bench,
		2051	TCC_OPTION_bt,
		2052	TCC_OPTION_b,
		2053	TCC_OPTION_g,
		2054	TCC_OPTION_c,
		2055	TCC_OPTION_C,
		2056	TCC_OPTION_dumpversion,
		2057	TCC_OPTION_d,
		2058	TCC_OPTION_float_abi,
		2059	TCC_OPTION_static,
		2060	TCC_OPTION_std,
		2061	TCC_OPTION_shared,
		2062	TCC_OPTION_soname,
		2063	TCC_OPTION_o,
		2064	TCC_OPTION_r,
		2065	TCC_OPTION_s,
		2066	TCC_OPTION_traditional,
		2067	TCC_OPTION_Wl,
		2068	TCC_OPTION_W,
		2069	TCC_OPTION_O,
		2070	TCC_OPTION_m,
		2071	TCC_OPTION_f,
		2072	TCC_OPTION_isystem,
		2073	TCC_OPTION_iwithprefix,
		2074	TCC_OPTION_nostdinc,
		2075	TCC_OPTION_nostdlib,
		2076	TCC_OPTION_print_search_dirs,
		2077	TCC_OPTION_rdynamic,
		2078	TCC_OPTION_pedantic,
		2079	TCC_OPTION_pthread,
		2080	TCC_OPTION_run,
		2081	TCC_OPTION_v,
		2082	TCC_OPTION_w,
		2083	TCC_OPTION_pipe,
		2084	TCC_OPTION_E,
		2085	TCC_OPTION_MD,
		2086	TCC_OPTION_MF,
6441	siemargl	2087	TCC_OPTION_x,
8157	Boppan	2088	TCC_OPTION_stack,
		2089	TCC_OPTION_nobss
6429	siemargl	2090	};
		2091
		2092	#define TCC_OPTION_HAS_ARG 0x0001
		2093	#define TCC_OPTION_NOSEP 0x0002 /* cannot have space before option and arg */
		2094
		2095	static const TCCOption tcc_options[] = {
		2096	{ "h", TCC_OPTION_HELP, 0 },
		2097	{ "-help", TCC_OPTION_HELP, 0 },
		2098	{ "?", TCC_OPTION_HELP, 0 },
		2099	{ "I", TCC_OPTION_I, TCC_OPTION_HAS_ARG },
		2100	{ "D", TCC_OPTION_D, TCC_OPTION_HAS_ARG },
		2101	{ "U", TCC_OPTION_U, TCC_OPTION_HAS_ARG },
		2102	{ "P", TCC_OPTION_P, TCC_OPTION_HAS_ARG \| TCC_OPTION_NOSEP },
		2103	{ "L", TCC_OPTION_L, TCC_OPTION_HAS_ARG },
		2104	{ "B", TCC_OPTION_B, TCC_OPTION_HAS_ARG },
		2105	{ "l", TCC_OPTION_l, TCC_OPTION_HAS_ARG \| TCC_OPTION_NOSEP },
		2106	{ "bench", TCC_OPTION_bench, 0 },
		2107	#ifdef CONFIG_TCC_BACKTRACE
		2108	{ "bt", TCC_OPTION_bt, TCC_OPTION_HAS_ARG },
		2109	#endif
		2110	#ifdef CONFIG_TCC_BCHECK
		2111	{ "b", TCC_OPTION_b, 0 },
		2112	#endif
		2113	{ "g", TCC_OPTION_g, TCC_OPTION_HAS_ARG \| TCC_OPTION_NOSEP },
		2114	{ "c", TCC_OPTION_c, 0 },
		2115	{ "C", TCC_OPTION_C, 0 },
		2116	{ "dumpversion", TCC_OPTION_dumpversion, 0},
		2117	{ "d", TCC_OPTION_d, TCC_OPTION_HAS_ARG \| TCC_OPTION_NOSEP },
		2118	#ifdef TCC_TARGET_ARM
		2119	{ "mfloat-abi", TCC_OPTION_float_abi, TCC_OPTION_HAS_ARG },
		2120	#endif
		2121	{ "static", TCC_OPTION_static, 0 },
		2122	{ "std", TCC_OPTION_std, TCC_OPTION_HAS_ARG \| TCC_OPTION_NOSEP },
		2123	{ "shared", TCC_OPTION_shared, 0 },
		2124	{ "soname", TCC_OPTION_soname, TCC_OPTION_HAS_ARG },
		2125	{ "o", TCC_OPTION_o, TCC_OPTION_HAS_ARG },
		2126	{ "pedantic", TCC_OPTION_pedantic, 0},
		2127	{ "pthread", TCC_OPTION_pthread, 0},
		2128	{ "run", TCC_OPTION_run, TCC_OPTION_HAS_ARG \| TCC_OPTION_NOSEP },
		2129	{ "rdynamic", TCC_OPTION_rdynamic, 0 },
		2130	{ "r", TCC_OPTION_r, 0 },
		2131	{ "s", TCC_OPTION_s, 0 },
		2132	{ "traditional", TCC_OPTION_traditional, 0 },
		2133	{ "Wl,", TCC_OPTION_Wl, TCC_OPTION_HAS_ARG \| TCC_OPTION_NOSEP },
		2134	{ "W", TCC_OPTION_W, TCC_OPTION_HAS_ARG \| TCC_OPTION_NOSEP },
		2135	{ "O", TCC_OPTION_O, TCC_OPTION_HAS_ARG \| TCC_OPTION_NOSEP },
		2136	{ "m", TCC_OPTION_m, TCC_OPTION_HAS_ARG },
		2137	{ "f", TCC_OPTION_f, TCC_OPTION_HAS_ARG \| TCC_OPTION_NOSEP },
		2138	{ "isystem", TCC_OPTION_isystem, TCC_OPTION_HAS_ARG },
		2139	{ "iwithprefix", TCC_OPTION_iwithprefix, TCC_OPTION_HAS_ARG },
		2140	{ "nostdinc", TCC_OPTION_nostdinc, 0 },
		2141	{ "nostdlib", TCC_OPTION_nostdlib, 0 },
		2142	{ "print-search-dirs", TCC_OPTION_print_search_dirs, 0 },
		2143	{ "v", TCC_OPTION_v, TCC_OPTION_HAS_ARG \| TCC_OPTION_NOSEP },
		2144	{ "w", TCC_OPTION_w, 0 },
		2145	{ "pipe", TCC_OPTION_pipe, 0},
		2146	{ "E", TCC_OPTION_E, 0},
		2147	{ "MD", TCC_OPTION_MD, 0},
		2148	{ "MF", TCC_OPTION_MF, TCC_OPTION_HAS_ARG },
		2149	{ "x", TCC_OPTION_x, TCC_OPTION_HAS_ARG },
6441	siemargl	2150	{ "stack", TCC_OPTION_stack, TCC_OPTION_HAS_ARG \| TCC_OPTION_NOSEP},
9284	Coldy	2151	#if defined(TCC_TARGET_MEOS) && !defined (TCC_TARGET_KX)
8157	Boppan	2152	{ "nobss", TCC_OPTION_nobss, 0 },
9284	Coldy	2153	#endif
6429	siemargl	2154	{ NULL, 0, 0 },
		2155	};
		2156
		2157	static void parse_option_D(TCCState s1, const char optarg)
		2158	{
		2159	char *sym = tcc_strdup(optarg);
		2160	char *value = strchr(sym, '=');
		2161	if (value)
		2162	*value++ = '\0';
		2163	tcc_define_symbol(s1, sym, value);
		2164	tcc_free(sym);
		2165	}
		2166
		2167	static void args_parser_add_file(TCCState s, const char filename, int filetype)
		2168	{
		2169	int len = strlen(filename);
		2170	char *p = tcc_malloc(len + 2);
		2171	if (filetype) {
		2172	*p = filetype;
		2173	}
		2174	else {
		2175	/* use a file extension to detect a filetype */
		2176	const char *ext = tcc_fileextension(filename);
		2177	if (ext[0]) {
		2178	ext++;
		2179	if (!strcmp(ext, "S"))
		2180	*p = TCC_FILETYPE_ASM_PP;
		2181	else
		2182	if (!strcmp(ext, "s"))
		2183	*p = TCC_FILETYPE_ASM;
		2184	else
		2185	if (!PATHCMP(ext, "c") \|\| !PATHCMP(ext, "i"))
		2186	*p = TCC_FILETYPE_C;
		2187	else
		2188	*p = TCC_FILETYPE_BINARY;
		2189	}
		2190	else {
		2191	*p = TCC_FILETYPE_C;
		2192	}
		2193	}
		2194	strcpy(p+1, filename);
		2195	dynarray_add((void ***)&s->files, &s->nb_files, p);
		2196	}
		2197
		2198	ST_FUNC int tcc_parse_args1(TCCState s, int argc, char *argv)
		2199	{
		2200	const TCCOption *popt;
		2201	const char optarg, r;
		2202	int optind = 0;
		2203	ParseArgsState *pas = s->parse_args_state;
		2204
6460	siemargl	2205	/*
		2206	#ifdef TCC_TARGET_MEOS
		2207	// siemargl testing
		2208	s->output_format = TCC_OUTPUT_FORMAT_COFF;
		2209	#endif
		2210	*/
6429	siemargl	2211	while (optind < argc) {
		2212
		2213	r = argv[optind++];
		2214	if (r[0] != '-' \|\| r[1] == '\0') {
		2215	/* handle list files */
		2216	if (r[0] == '@' && r[1]) {
		2217	char buf[sizeof file->filename], *p;
		2218	char **argv = NULL;
		2219	int argc = 0;
		2220	FILE *fp;
		2221
		2222	fp = fopen(r + 1, "rb");
		2223	if (fp == NULL)
		2224	tcc_error("list file '%s' not found", r + 1);
		2225	while (fgets(buf, sizeof buf, fp)) {
		2226	p = trimfront(trimback(buf, strchr(buf, 0)));
		2227	if (0 == p \|\| ';' == p)
		2228	continue;
		2229	dynarray_add((void ***)&argv, &argc, tcc_strdup(p));
		2230	}
		2231	fclose(fp);
		2232	tcc_parse_args1(s, argc, argv);
		2233	dynarray_reset(&argv, &argc);
		2234	} else {
		2235	args_parser_add_file(s, r, pas->filetype);
		2236	if (pas->run) {
		2237	optind--;
		2238	/* argv[0] will be this file */
		2239	break;
		2240	}
		2241	}
		2242	continue;
		2243	}
		2244
		2245	/* find option in table */
		2246	for(popt = tcc_options; ; ++popt) {
		2247	const char *p1 = popt->name;
		2248	const char *r1 = r + 1;
		2249	if (p1 == NULL)
		2250	tcc_error("invalid option -- '%s'", r);
		2251	if (!strstart(p1, &r1))
		2252	continue;
		2253	optarg = r1;
		2254	if (popt->flags & TCC_OPTION_HAS_ARG) {
		2255	if (*r1 == '\0' && !(popt->flags & TCC_OPTION_NOSEP)) {
		2256	if (optind >= argc)
		2257	tcc_error("argument to '%s' is missing", r);
		2258	optarg = argv[optind++];
		2259	}
		2260	} else if (*r1 != '\0')
		2261	continue;
		2262	break;
		2263	}
		2264
		2265	switch(popt->index) {
		2266	case TCC_OPTION_HELP:
		2267	return 0;
		2268	case TCC_OPTION_I:
		2269	tcc_add_include_path(s, optarg);
		2270	break;
		2271	case TCC_OPTION_D:
		2272	parse_option_D(s, optarg);
		2273	break;
		2274	case TCC_OPTION_U:
		2275	tcc_undefine_symbol(s, optarg);
		2276	break;
		2277	case TCC_OPTION_L:
		2278	tcc_add_library_path(s, optarg);
		2279	break;
		2280	case TCC_OPTION_B:
		2281	/* set tcc utilities path (mainly for tcc development) */
		2282	tcc_set_lib_path(s, optarg);
		2283	break;
		2284	case TCC_OPTION_l:
		2285	args_parser_add_file(s, r, TCC_FILETYPE_BINARY);
		2286	s->nb_libraries++;
		2287	break;
		2288	case TCC_OPTION_pthread:
		2289	parse_option_D(s, "_REENTRANT");
		2290	pas->pthread = 1;
		2291	break;
		2292	case TCC_OPTION_bench:
		2293	s->do_bench = 1;
		2294	break;
		2295	#ifdef CONFIG_TCC_BACKTRACE
		2296	case TCC_OPTION_bt:
		2297	tcc_set_num_callers(atoi(optarg));
		2298	break;
		2299	#endif
		2300	#ifdef CONFIG_TCC_BCHECK
		2301	case TCC_OPTION_b:
		2302	s->do_bounds_check = 1;
		2303	s->do_debug = 1;
		2304	break;
		2305	#endif
		2306	case TCC_OPTION_g:
		2307	s->do_debug = 1;
		2308	break;
		2309	case TCC_OPTION_c:
		2310	if (s->output_type)
		2311	tcc_warning("-c: some compiler action already specified (%d)", s->output_type);
		2312	s->output_type = TCC_OUTPUT_OBJ;
		2313	break;
		2314	case TCC_OPTION_C:
		2315	s->option_C = 1;
		2316	break;
		2317	case TCC_OPTION_d:
		2318	if (optarg == 'D' \|\| optarg == 'M')
		2319	s->dflag = *optarg;
		2320	else {
		2321	if (s->warn_unsupported)
		2322	goto unsupported_option;
		2323	tcc_error("invalid option -- '%s'", r);
		2324	}
		2325	break;
		2326	#ifdef TCC_TARGET_ARM
		2327	case TCC_OPTION_float_abi:
		2328	/* tcc doesn't support soft float yet */
		2329	if (!strcmp(optarg, "softfp")) {
		2330	s->float_abi = ARM_SOFTFP_FLOAT;
		2331	tcc_undefine_symbol(s, "__ARM_PCS_VFP");
		2332	} else if (!strcmp(optarg, "hard"))
		2333	s->float_abi = ARM_HARD_FLOAT;
		2334	else
		2335	tcc_error("unsupported float abi '%s'", optarg);
		2336	break;
		2337	#endif
		2338	case TCC_OPTION_static:
		2339	s->static_link = 1;
		2340	break;
		2341	case TCC_OPTION_std:
		2342	/* silently ignore, a current purpose:
		2343	allow to use a tcc as a reference compiler for "make test" */
		2344	break;
		2345	case TCC_OPTION_shared:
		2346	if (s->output_type)
		2347	tcc_warning("-shared: some compiler action already specified (%d)", s->output_type);
		2348	s->output_type = TCC_OUTPUT_DLL;
		2349	break;
		2350	case TCC_OPTION_soname:
		2351	s->soname = tcc_strdup(optarg);
		2352	break;
		2353	case TCC_OPTION_m:
		2354	s->option_m = tcc_strdup(optarg);
		2355	break;
		2356	case TCC_OPTION_o:
		2357	if (s->outfile) {
		2358	tcc_warning("multiple -o option");
		2359	tcc_free(s->outfile);
		2360	}
		2361	s->outfile = tcc_strdup(optarg);
		2362	break;
		2363	case TCC_OPTION_r:
		2364	/* generate a .o merging several output files */
		2365	if (s->output_type)
		2366	tcc_warning("-r: some compiler action already specified (%d)", s->output_type);
		2367	s->option_r = 1;
		2368	s->output_type = TCC_OUTPUT_OBJ;
		2369	break;
		2370	case TCC_OPTION_isystem:
		2371	tcc_add_sysinclude_path(s, optarg);
		2372	break;
		2373	case TCC_OPTION_iwithprefix:
		2374	if (1) {
		2375	char buf[1024];
		2376	int buf_size = sizeof(buf)-1;
		2377	char *p = &buf[0];
		2378
		2379	char *sysroot = "{B}/";
		2380	int len = strlen(sysroot);
		2381	if (len > buf_size)
		2382	len = buf_size;
		2383	strncpy(p, sysroot, len);
		2384	p += len;
		2385	buf_size -= len;
		2386
		2387	len = strlen(optarg);
		2388	if (len > buf_size)
		2389	len = buf_size;
		2390	strncpy(p, optarg, len+1);
		2391	tcc_add_sysinclude_path(s, buf);
		2392	}
		2393	break;
		2394	case TCC_OPTION_nostdinc:
		2395	s->nostdinc = 1;
		2396	break;
		2397	case TCC_OPTION_nostdlib:
		2398	s->nostdlib = 1;
		2399	break;
		2400	case TCC_OPTION_print_search_dirs:
		2401	s->print_search_dirs = 1;
		2402	break;
		2403	case TCC_OPTION_run:
		2404	if (s->output_type)
		2405	tcc_warning("-run: some compiler action already specified (%d)", s->output_type);
		2406	s->output_type = TCC_OUTPUT_MEMORY;
		2407	tcc_set_options(s, optarg);
		2408	pas->run = 1;
		2409	break;
		2410	case TCC_OPTION_v:
		2411	do ++s->verbose; while (*optarg++ == 'v');
		2412	break;
		2413	case TCC_OPTION_f:
		2414	if (tcc_set_flag(s, optarg, 1) < 0 && s->warn_unsupported)
		2415	goto unsupported_option;
		2416	break;
		2417	case TCC_OPTION_W:
		2418	if (tcc_set_warning(s, optarg, 1) < 0 &&
		2419	s->warn_unsupported)
		2420	goto unsupported_option;
		2421	break;
		2422	case TCC_OPTION_w:
		2423	s->warn_none = 1;
		2424	break;
		2425	case TCC_OPTION_rdynamic:
		2426	s->rdynamic = 1;
		2427	break;
		2428	case TCC_OPTION_Wl:
		2429	if (pas->linker_arg.size)
		2430	--pas->linker_arg.size, cstr_ccat(&pas->linker_arg, ',');
		2431	cstr_cat(&pas->linker_arg, optarg, 0);
		2432	break;
		2433	case TCC_OPTION_E:
		2434	if (s->output_type)
		2435	tcc_warning("-E: some compiler action already specified (%d)", s->output_type);
		2436	s->output_type = TCC_OUTPUT_PREPROCESS;
		2437	break;
		2438	case TCC_OPTION_P:
		2439	s->Pflag = atoi(optarg) + 1;
		2440	break;
		2441	case TCC_OPTION_MD:
		2442	s->gen_deps = 1;
		2443	break;
		2444	case TCC_OPTION_MF:
		2445	s->deps_outfile = tcc_strdup(optarg);
		2446	break;
		2447	case TCC_OPTION_dumpversion:
		2448	printf ("%s\n", TCC_VERSION);
		2449	exit(0);
		2450	case TCC_OPTION_s:
		2451	s->do_strip = 1;
		2452	break;
		2453	case TCC_OPTION_traditional:
		2454	break;
		2455	case TCC_OPTION_x:
		2456	if (*optarg == 'c')
		2457	pas->filetype = TCC_FILETYPE_C;
		2458	else
		2459	if (*optarg == 'a')
		2460	pas->filetype = TCC_FILETYPE_ASM_PP;
		2461	else
		2462	if (*optarg == 'n')
		2463	pas->filetype = 0;
		2464	else
		2465	tcc_warning("unsupported language '%s'", optarg);
		2466	break;
		2467	case TCC_OPTION_O:
		2468	if (1) {
		2469	int opt = atoi(optarg);
		2470	char *sym = "__OPTIMIZE__";
		2471	if (opt)
		2472	tcc_define_symbol(s, sym, 0);
		2473	else
		2474	tcc_undefine_symbol(s, sym);
		2475	}
		2476	break;
		2477	case TCC_OPTION_pedantic:
		2478	case TCC_OPTION_pipe:
		2479	/* ignored */
		2480	break;
6441	siemargl	2481	case TCC_OPTION_stack:
8157	Boppan	2482	#ifdef TCC_TARGET_MEOS
		2483	s->pe_stack_size = strtoul(optarg+1, NULL, 10);
		2484	#endif
6441	siemargl	2485	break;
9284	Coldy	2486	#if defined(TCC_TARGET_MEOS) && !defined (TCC_TARGET_KX)
8157	Boppan	2487	case TCC_OPTION_nobss:
		2488	s->nobss = 1;
		2489	break;
9284	Coldy	2490	#endif
6429	siemargl	2491	default:
		2492	if (s->warn_unsupported) {
		2493	unsupported_option:
		2494	tcc_warning("unsupported option '%s'", r);
		2495	}
		2496	break;
		2497	}
		2498	}
		2499	return optind;
		2500	}
		2501
		2502	PUB_FUNC int tcc_parse_args(TCCState s, int argc, char *argv)
		2503	{
		2504	ParseArgsState *pas;
		2505	int ret, is_allocated = 0;
		2506
		2507	if (!s->parse_args_state) {
		2508	s->parse_args_state = tcc_mallocz(sizeof(ParseArgsState));
		2509	cstr_new(&s->parse_args_state->linker_arg);
		2510	is_allocated = 1;
		2511	}
		2512	pas = s->parse_args_state;
		2513
		2514	ret = tcc_parse_args1(s, argc, argv);
		2515
		2516	if (s->output_type == 0)
		2517	s->output_type = TCC_OUTPUT_EXE;
		2518
		2519	if (pas->pthread && s->output_type != TCC_OUTPUT_OBJ)
		2520	tcc_set_options(s, "-lpthread");
		2521
		2522	if (s->output_type == TCC_OUTPUT_EXE)
		2523	tcc_set_linker(s, (const char *)pas->linker_arg.data);
		2524
		2525	if (is_allocated) {
		2526	cstr_free(&pas->linker_arg);
		2527	tcc_free(pas);
		2528	s->parse_args_state = NULL;
		2529	}
		2530	return ret;
		2531	}
		2532
		2533	LIBTCCAPI int tcc_set_options(TCCState s, const char str)
		2534	{
		2535	const char *s1;
		2536	char *argv, arg;
		2537	int argc, len;
		2538	int ret;
		2539
		2540	argc = 0, argv = NULL;
		2541	for(;;) {
		2542	while (is_space(*str))
		2543	str++;
		2544	if (*str == '\0')
		2545	break;
		2546	s1 = str;
		2547	while (str != '\0' && !is_space(str))
		2548	str++;
		2549	len = str - s1;
		2550	arg = tcc_malloc(len + 1);
		2551	pstrncpy(arg, s1, len);
		2552	dynarray_add((void ***)&argv, &argc, arg);
		2553	}
		2554	ret = tcc_parse_args(s, argc, argv);
		2555	dynarray_reset(&argv, &argc);
		2556	return ret;
		2557	}
		2558
		2559	PUB_FUNC void tcc_print_stats(TCCState *s, int64_t total_time)
		2560	{
		2561	double tt;
		2562	tt = (double)total_time / 1000000.0;
		2563	if (tt < 0.001)
		2564	tt = 0.001;
		2565	if (total_bytes < 1)
		2566	total_bytes = 1;
6574	siemargl	2567	fprintf(stdout, "%d idents, %d lines, %d bytes, %0.3f s, %d lines/s, %0.1f MB/s\n",
6429	siemargl	2568	tok_ident - TOK_IDENT, total_lines, total_bytes,
		2569	tt, (int)(total_lines / tt),
		2570	total_bytes / tt / 1000000.0);
		2571	}
		2572
		2573	PUB_FUNC void tcc_set_environment(TCCState *s)
		2574	{
		2575	char * path;
		2576
		2577	path = getenv("C_INCLUDE_PATH");
		2578	if(path != NULL) {
		2579	tcc_add_include_path(s, path);
		2580	}
		2581	path = getenv("CPATH");
		2582	if(path != NULL) {
		2583	tcc_add_include_path(s, path);
		2584	}
		2585	path = getenv("LIBRARY_PATH");
		2586	if(path != NULL) {
		2587	tcc_add_library_path(s, path);
		2588	}
		2589	}

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(root)/programs/develop/ktcc/trunk/source/libtcc.c – Rev 9545