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

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(root)/programs/develop/ktcc/trunk/source/libtcc.c – Rev 6460