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

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(root)/programs/develop/ktcc/trunk/source/libtcc.c – Rev 7520