tcc.h: remove CONFIG_TCCBOOT part
[tinycc.git] / tcc.h
blob5e86df6338dbd2b8182de4e4c126e4116e3464b1
1 /*
2 * TCC - Tiny C Compiler
3 *
4 * Copyright (c) 2001-2004 Fabrice Bellard
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.
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.
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
21 #ifndef _TCC_H
22 #define _TCC_H
24 #define _GNU_SOURCE
25 #include "config.h"
27 #include <stdlib.h>
28 #include <stdio.h>
29 #include <stdarg.h>
30 #include <string.h>
31 #include <errno.h>
32 #include <math.h>
33 #include <signal.h>
34 #include <fcntl.h>
35 #include <setjmp.h>
36 #include <time.h>
37 #include <sys/stat.h> // stat()
39 #ifdef CONFIG_TCCASSERT
40 #include <assert.h>
41 #define TCC_ASSERT(ex) assert(ex)
42 #else
43 #define TCC_ASSERT(ex)
44 #endif
46 #ifndef _WIN32
47 # include <unistd.h>
48 # include <sys/time.h>
49 # include <sys/ucontext.h>
50 # include <sys/mman.h>
51 # ifndef CONFIG_TCC_STATIC
52 # include <dlfcn.h>
53 # endif
54 /* XXX: need to define this to use them in non ISOC99 context */
55 extern float strtof (const char *__nptr, char **__endptr);
56 extern long double strtold (const char *__nptr, char **__endptr);
57 #else /* on _WIN32: */
58 # include <windows.h>
59 # include <sys/timeb.h>
60 # include <io.h> /* open, close etc. */
61 # include <direct.h> /* getcwd */
62 # ifdef __GNUC__
63 # include <stdint.h>
64 # endif
65 # define inline __inline
66 # define inp next_inp
67 # define snprintf _snprintf
68 # define vsnprintf _vsnprintf
69 # ifndef __GNUC__
70 # define strtold (long double)strtod
71 # define strtof (float)strtod
72 # define strtoll _strtoi64
73 # define strtoull _strtoui64
74 # endif
75 # ifdef LIBTCC_AS_DLL
76 # define LIBTCCAPI __declspec(dllexport)
77 # define PUB_FUNC LIBTCCAPI
78 # endif
79 #endif
81 #ifndef O_BINARY
82 # define O_BINARY 0
83 #endif
85 #ifdef __GNUC__
86 # define NORETURN __attribute__ ((noreturn))
87 #elif defined _MSC_VER
88 # define NORETURN __declspec(noreturn)
89 #else
90 # define NORETURN
91 #endif
93 #ifdef _WIN32
94 # define IS_DIRSEP(c) (c == '/' || c == '\\')
95 # define IS_ABSPATH(p) (IS_DIRSEP(p[0]) || (p[0] && p[1] == ':' && IS_DIRSEP(p[2])))
96 # define PATHCMP stricmp
97 #else
98 # define IS_DIRSEP(c) (c == '/')
99 # define IS_ABSPATH(p) IS_DIRSEP(p[0])
100 # define PATHCMP strcmp
101 #endif
103 #ifdef TCC_TARGET_PE
104 #define PATHSEP ';'
105 #else
106 #define PATHSEP ':'
107 #endif
109 #include "elf.h"
110 #if defined(TCC_TARGET_ARM64) || defined(TCC_TARGET_X86_64)
111 # define ELFCLASSW ELFCLASS64
112 # define ElfW(type) Elf##64##_##type
113 # define ELFW(type) ELF##64##_##type
114 # define ElfW_Rel ElfW(Rela)
115 # define SHT_RELX SHT_RELA
116 # define REL_SECTION_FMT ".rela%s"
117 /* XXX: DLL with PLT would only work with x86-64 for now */
118 # define TCC_OUTPUT_DLL_WITH_PLT
119 #else
120 # define ELFCLASSW ELFCLASS32
121 # define ElfW(type) Elf##32##_##type
122 # define ELFW(type) ELF##32##_##type
123 # define ElfW_Rel ElfW(Rel)
124 # define SHT_RELX SHT_REL
125 # define REL_SECTION_FMT ".rel%s"
126 #endif
128 /* target address type */
129 #define addr_t ElfW(Addr)
131 #include "stab.h"
132 #include "libtcc.h"
134 /* parser debug */
135 /* #define PARSE_DEBUG */
136 /* preprocessor debug */
137 /* #define PP_DEBUG */
138 /* include file debug */
139 /* #define INC_DEBUG */
140 /* memory leak debug */
141 /* #define MEM_DEBUG */
142 /* assembler debug */
143 /* #define ASM_DEBUG */
145 /* target selection */
146 /* #define TCC_TARGET_I386 *//* i386 code generator */
147 /* #define TCC_TARGET_ARM *//* ARMv4 code generator */
148 /* #define TCC_TARGET_ARM64 *//* ARMv8 code generator */
149 /* #define TCC_TARGET_C67 *//* TMS320C67xx code generator */
150 /* #define TCC_TARGET_X86_64 *//* x86-64 code generator */
152 /* default target is I386 */
153 #if !defined(TCC_TARGET_I386) && !defined(TCC_TARGET_ARM) && \
154 !defined(TCC_TARGET_ARM64) && !defined(TCC_TARGET_C67) && \
155 !defined(TCC_TARGET_X86_64)
156 #define TCC_TARGET_I386
157 #endif
159 #if !defined(TCC_UCLIBC) && !defined(TCC_TARGET_ARM) && \
160 !defined(TCC_TARGET_ARM64) && !defined(TCC_TARGET_C67) && \
161 !defined(CONFIG_USE_LIBGCC)
162 #define CONFIG_TCC_BCHECK /* enable bound checking code */
163 #endif
165 /* define it to include assembler support */
166 #if !defined(TCC_TARGET_ARM) && !defined(TCC_TARGET_ARM64) && \
167 !defined(TCC_TARGET_C67)
168 #define CONFIG_TCC_ASM
169 #endif
171 /* object format selection */
172 #if defined(TCC_TARGET_C67)
173 #define TCC_TARGET_COFF
174 #endif
176 /* only native compiler supports -run */
177 #if defined _WIN32 == defined TCC_TARGET_PE
178 # if (defined __i386__ || defined _X86_) && defined TCC_TARGET_I386
179 # define TCC_IS_NATIVE
180 # elif (defined __x86_64__ || defined _AMD64_) && defined TCC_TARGET_X86_64
181 # define TCC_IS_NATIVE
182 # elif defined __arm__ && defined TCC_TARGET_ARM
183 # define TCC_IS_NATIVE
184 # elif defined __aarch64__ && defined TCC_TARGET_ARM64
185 # define TCC_IS_NATIVE
186 # endif
187 #endif
189 #if defined TCC_IS_NATIVE && !defined CONFIG_TCCBOOT
190 # define CONFIG_TCC_BACKTRACE
191 #endif
193 /* ------------ path configuration ------------ */
195 #ifndef CONFIG_SYSROOT
196 # define CONFIG_SYSROOT ""
197 #endif
198 #ifndef CONFIG_TCCDIR
199 # define CONFIG_TCCDIR "."
200 #endif
201 #ifndef CONFIG_LDDIR
202 # ifdef TCC_TARGET_X86_64
203 # define CONFIG_LDDIR "lib64"
204 # else
205 # define CONFIG_LDDIR "lib"
206 # endif
207 #endif
209 #ifdef CONFIG_MULTIARCHDIR
210 # define USE_MUADIR(s) s "/" CONFIG_MULTIARCHDIR
211 # define ALSO_MUADIR(s) s "/" CONFIG_MULTIARCHDIR ":" s
212 #else
213 # define USE_MUADIR(s) s
214 # define ALSO_MUADIR(s) s
215 #endif
217 /* path to find crt1.o, crti.o and crtn.o */
218 #ifndef CONFIG_TCC_CRTPREFIX
219 # define CONFIG_TCC_CRTPREFIX USE_MUADIR(CONFIG_SYSROOT "/usr/" CONFIG_LDDIR)
220 #endif
222 /* Below: {B} is substituted by CONFIG_TCCDIR (rsp. -B option) */
224 /* system include paths */
225 #ifndef CONFIG_TCC_SYSINCLUDEPATHS
226 # ifdef TCC_TARGET_PE
227 # define CONFIG_TCC_SYSINCLUDEPATHS "{B}/include;{B}/include/winapi"
228 # else
229 # define CONFIG_TCC_SYSINCLUDEPATHS \
230 ALSO_MUADIR(CONFIG_SYSROOT "/usr/local/include") \
231 ":" ALSO_MUADIR(CONFIG_SYSROOT "/usr/include") \
232 ":" "{B}/include"
233 # endif
234 #endif
236 /* library search paths */
237 #ifndef CONFIG_TCC_LIBPATHS
238 # ifdef TCC_TARGET_PE
239 # define CONFIG_TCC_LIBPATHS "{B}/lib"
240 # else
241 # define CONFIG_TCC_LIBPATHS \
242 ALSO_MUADIR(CONFIG_SYSROOT "/usr/" CONFIG_LDDIR) \
243 ":" ALSO_MUADIR(CONFIG_SYSROOT "/" CONFIG_LDDIR) \
244 ":" ALSO_MUADIR(CONFIG_SYSROOT "/usr/local/" CONFIG_LDDIR)
245 # endif
246 #endif
248 /* name of ELF interpreter */
249 #ifndef CONFIG_TCC_ELFINTERP
250 # if defined __FreeBSD__
251 # define CONFIG_TCC_ELFINTERP "/libexec/ld-elf.so.1"
252 # elif defined __FreeBSD_kernel__
253 # if defined(TCC_TARGET_X86_64)
254 # define CONFIG_TCC_ELFINTERP "/lib/ld-kfreebsd-x86-64.so.1"
255 # else
256 # define CONFIG_TCC_ELFINTERP "/lib/ld.so.1"
257 # endif
258 # elif defined __DragonFly__
259 # define CONFIG_TCC_ELFINTERP "/usr/libexec/ld-elf.so.2"
260 # elif defined __NetBSD__
261 # define CONFIG_TCC_ELFINTERP "/usr/libexec/ld.elf_so"
262 # elif defined __GNU__
263 # define CONFIG_TCC_ELFINTERP "/lib/ld.so"
264 # elif defined(TCC_TARGET_PE)
265 # define CONFIG_TCC_ELFINTERP "-"
266 # elif defined(TCC_UCLIBC)
267 # define CONFIG_TCC_ELFINTERP "/lib/ld-uClibc.so.0" /* is there a uClibc for x86_64 ? */
268 # elif defined TCC_TARGET_ARM64
269 # define CONFIG_TCC_ELFINTERP "/lib/ld-linux-aarch64.so.1"
270 # elif defined(TCC_TARGET_X86_64)
271 # define CONFIG_TCC_ELFINTERP "/lib64/ld-linux-x86-64.so.2"
272 # elif !defined(TCC_ARM_EABI)
273 # define CONFIG_TCC_ELFINTERP "/lib/ld-linux.so.2"
274 # endif
275 #endif
277 /* var elf_interp dans *-gen.c */
278 #ifdef CONFIG_TCC_ELFINTERP
279 # define DEFAULT_ELFINTERP(s) CONFIG_TCC_ELFINTERP
280 #else
281 # define DEFAULT_ELFINTERP(s) default_elfinterp(s)
282 #endif
284 /* library to use with CONFIG_USE_LIBGCC instead of libtcc1.a */
285 #define TCC_LIBGCC USE_MUADIR(CONFIG_SYSROOT "/" CONFIG_LDDIR) "/libgcc_s.so.1"
287 /* -------------------------------------------- */
288 /* include the target specific definitions */
290 #define TARGET_DEFS_ONLY
291 #ifdef TCC_TARGET_I386
292 # include "i386-gen.c"
293 #endif
294 #ifdef TCC_TARGET_X86_64
295 # include "x86_64-gen.c"
296 #endif
297 #ifdef TCC_TARGET_ARM
298 # include "arm-gen.c"
299 #endif
300 #ifdef TCC_TARGET_ARM64
301 # include "arm64-gen.c"
302 #endif
303 #ifdef TCC_TARGET_C67
304 # include "coff.h"
305 # include "c67-gen.c"
306 #endif
307 #undef TARGET_DEFS_ONLY
309 /* -------------------------------------------- */
311 #define INCLUDE_STACK_SIZE 32
312 #define IFDEF_STACK_SIZE 64
313 #define VSTACK_SIZE 256
314 #define STRING_MAX_SIZE 1024
315 #define PACK_STACK_SIZE 8
317 #define TOK_HASH_SIZE 8192 /* must be a power of two */
318 #define TOK_ALLOC_INCR 512 /* must be a power of two */
319 #define TOK_MAX_SIZE 4 /* token max size in int unit when stored in string */
321 /* token symbol management */
322 typedef struct TokenSym {
323 struct TokenSym *hash_next;
324 struct Sym *sym_define; /* direct pointer to define */
325 struct Sym *sym_label; /* direct pointer to label */
326 struct Sym *sym_struct; /* direct pointer to structure */
327 struct Sym *sym_identifier; /* direct pointer to identifier */
328 int tok; /* token number */
329 int len;
330 char str[1];
331 } TokenSym;
333 #ifdef TCC_TARGET_PE
334 typedef unsigned short nwchar_t;
335 #else
336 typedef int nwchar_t;
337 #endif
339 typedef struct CString {
340 int size; /* size in bytes */
341 void *data; /* either 'char *' or 'nwchar_t *' */
342 int size_allocated;
343 void *data_allocated; /* if non NULL, data has been malloced */
344 } CString;
346 /* type definition */
347 typedef struct CType {
348 int t;
349 struct Sym *ref;
350 } CType;
352 /* constant value */
353 typedef union CValue {
354 long double ld;
355 double d;
356 float f;
357 int i;
358 unsigned int ui;
359 unsigned int ul; /* address (should be unsigned long on 64 bit cpu) */
360 long long ll;
361 unsigned long long ull;
362 struct CString *cstr;
363 addr_t ptr_offset;
364 int tab[LDOUBLE_SIZE/4];
365 } CValue;
367 /* value on stack */
368 typedef struct SValue {
369 CType type; /* type */
370 unsigned short r; /* register + flags */
371 unsigned short r2; /* second register, used for 'long long'
372 type. If not used, set to VT_CONST */
373 CValue c; /* constant, if VT_CONST */
374 struct Sym *sym; /* symbol, if (VT_SYM | VT_CONST) */
375 } SValue;
377 struct Attribute {
378 unsigned
379 func_call : 3, /* calling convention (0..5), see below */
380 aligned : 5, /* alignement (0..16) */
381 packed : 1,
382 func_export : 1,
383 func_import : 1,
384 func_args : 5,
385 func_proto : 1,
386 mode : 4,
387 weak : 1,
388 visibility : 2,
389 fill : 8; // 8 bits left to fit well in union below
392 /* GNUC attribute definition */
393 typedef struct AttributeDef {
394 struct Attribute a;
395 struct Section *section;
396 int alias_target; /* token */
397 } AttributeDef;
399 /* symbol management */
400 typedef struct Sym {
401 int v; /* symbol token */
402 char *asm_label; /* associated asm label */
403 union {
404 long r; /* associated register */
405 struct Attribute a;
407 union {
408 long c; /* associated number */
409 int *d; /* define token stream */
411 CType type; /* associated type */
412 union {
413 struct Sym *next; /* next related symbol */
414 long jnext; /* next jump label */
416 struct Sym *prev; /* prev symbol in stack */
417 struct Sym *prev_tok; /* previous symbol for this token */
418 } Sym;
420 /* section definition */
421 /* XXX: use directly ELF structure for parameters ? */
422 /* special flag to indicate that the section should not be linked to
423 the other ones */
424 #define SHF_PRIVATE 0x80000000
426 /* special flag, too */
427 #define SECTION_ABS ((void *)1)
429 typedef struct Section {
430 unsigned long data_offset; /* current data offset */
431 unsigned char *data; /* section data */
432 unsigned long data_allocated; /* used for realloc() handling */
433 int sh_name; /* elf section name (only used during output) */
434 int sh_num; /* elf section number */
435 int sh_type; /* elf section type */
436 int sh_flags; /* elf section flags */
437 int sh_info; /* elf section info */
438 int sh_addralign; /* elf section alignment */
439 int sh_entsize; /* elf entry size */
440 unsigned long sh_size; /* section size (only used during output) */
441 addr_t sh_addr; /* address at which the section is relocated */
442 unsigned long sh_offset; /* file offset */
443 int nb_hashed_syms; /* used to resize the hash table */
444 struct Section *link; /* link to another section */
445 struct Section *reloc; /* corresponding section for relocation, if any */
446 struct Section *hash; /* hash table for symbols */
447 struct Section *next;
448 char name[1]; /* section name */
449 } Section;
451 typedef struct DLLReference {
452 int level;
453 void *handle;
454 char name[1];
455 } DLLReference;
457 /* -------------------------------------------------- */
459 #define SYM_STRUCT 0x40000000 /* struct/union/enum symbol space */
460 #define SYM_FIELD 0x20000000 /* struct/union field symbol space */
461 #define SYM_FIRST_ANOM 0x10000000 /* first anonymous sym */
463 /* stored in 'Sym.c' field */
464 #define FUNC_NEW 1 /* ansi function prototype */
465 #define FUNC_OLD 2 /* old function prototype */
466 #define FUNC_ELLIPSIS 3 /* ansi function prototype with ... */
468 /* stored in 'Sym.r' field */
469 #define FUNC_CDECL 0 /* standard c call */
470 #define FUNC_STDCALL 1 /* pascal c call */
471 #define FUNC_FASTCALL1 2 /* first param in %eax */
472 #define FUNC_FASTCALL2 3 /* first parameters in %eax, %edx */
473 #define FUNC_FASTCALL3 4 /* first parameter in %eax, %edx, %ecx */
474 #define FUNC_FASTCALLW 5 /* first parameter in %ecx, %edx */
476 /* field 'Sym.t' for macros */
477 #define MACRO_OBJ 0 /* object like macro */
478 #define MACRO_FUNC 1 /* function like macro */
480 /* field 'Sym.r' for C labels */
481 #define LABEL_DEFINED 0 /* label is defined */
482 #define LABEL_FORWARD 1 /* label is forward defined */
483 #define LABEL_DECLARED 2 /* label is declared but never used */
485 /* type_decl() types */
486 #define TYPE_ABSTRACT 1 /* type without variable */
487 #define TYPE_DIRECT 2 /* type with variable */
489 #define IO_BUF_SIZE 8192
491 typedef struct BufferedFile {
492 uint8_t *buf_ptr;
493 uint8_t *buf_end;
494 int fd;
495 struct BufferedFile *prev;
496 int line_num; /* current line number - here to simplify code */
497 int line_ref; /* tcc -E: last printed line */
498 int inc_path_index;
499 int ifndef_macro; /* #ifndef macro / #endif search */
500 int ifndef_macro_saved; /* saved ifndef_macro */
501 int *ifdef_stack_ptr; /* ifdef_stack value at the start of the file */
502 char filename[1024]; /* filename */
503 unsigned char unget[4];
504 unsigned char buffer[1]; /* extra size for CH_EOB char */
505 } BufferedFile;
507 #define CH_EOB '\\' /* end of buffer or '\0' char in file */
508 #define CH_EOF (-1) /* end of file */
510 /* parsing state (used to save parser state to reparse part of the
511 source several times) */
512 typedef struct ParseState {
513 const int *macro_ptr;
514 int line_num;
515 int tok;
516 CValue tokc;
517 } ParseState;
519 /* used to record tokens */
520 typedef struct TokenString {
521 int *str;
522 int len;
523 int allocated_len;
524 int last_line_num;
525 /* used to chain token-strings with begin/end_macro() */
526 struct TokenString *prev;
527 const int *prev_ptr;
528 char alloc;
529 } TokenString;
531 /* inline functions */
532 typedef struct InlineFunc {
533 TokenString func_str;
534 Sym *sym;
535 char filename[1];
536 } InlineFunc;
538 /* include file cache, used to find files faster and also to eliminate
539 inclusion if the include file is protected by #ifndef ... #endif */
540 typedef struct CachedInclude {
541 int ifndef_macro;
542 int hash_next; /* -1 if none */
543 char filename[1]; /* path specified in #include */
544 } CachedInclude;
546 #define CACHED_INCLUDES_HASH_SIZE 512
548 #ifdef CONFIG_TCC_ASM
549 typedef struct ExprValue {
550 uint32_t v;
551 Sym *sym;
552 } ExprValue;
554 #define MAX_ASM_OPERANDS 30
555 typedef struct ASMOperand {
556 int id; /* GCC 3 optionnal identifier (0 if number only supported */
557 char *constraint;
558 char asm_str[16]; /* computed asm string for operand */
559 SValue *vt; /* C value of the expression */
560 int ref_index; /* if >= 0, gives reference to a output constraint */
561 int input_index; /* if >= 0, gives reference to an input constraint */
562 int priority; /* priority, used to assign registers */
563 int reg; /* if >= 0, register number used for this operand */
564 int is_llong; /* true if double register value */
565 int is_memory; /* true if memory operand */
566 int is_rw; /* for '+' modifier */
567 } ASMOperand;
568 #endif
570 struct sym_attr {
571 unsigned long got_offset;
572 unsigned long plt_offset;
573 #ifdef TCC_TARGET_ARM
574 unsigned char plt_thumb_stub:1;
575 #endif
578 struct TCCState {
580 int verbose; /* if true, display some information during compilation */
581 int nostdinc; /* if true, no standard headers are added */
582 int nostdlib; /* if true, no standard libraries are added */
583 int nocommon; /* if true, do not use common symbols for .bss data */
584 int static_link; /* if true, static linking is performed */
585 int rdynamic; /* if true, all symbols are exported */
586 int symbolic; /* if true, resolve symbols in the current module first */
587 int alacarte_link; /* if true, only link in referenced objects from archive */
589 char *tcc_lib_path; /* CONFIG_TCCDIR or -B option */
590 char *soname; /* as specified on the command line (-soname) */
591 char *rpath; /* as specified on the command line (-Wl,-rpath=) */
593 /* output type, see TCC_OUTPUT_XXX */
594 int output_type;
595 /* output format, see TCC_OUTPUT_FORMAT_xxx */
596 int output_format;
598 /* C language options */
599 int char_is_unsigned;
600 int leading_underscore;
601 int ms_extensions; /* allow nested named struct w/o identifier behave like unnamed */
602 int old_struct_init_code; /* use old algorithm to init array in struct when there is no '{' used.
603 Liuux 2.4.26 can't find initrd when compiled with a new algorithm */
604 int dollars_in_identifiers; /* allows '$' char in indentifiers */
606 /* warning switches */
607 int warn_write_strings;
608 int warn_unsupported;
609 int warn_error;
610 int warn_none;
611 int warn_implicit_function_declaration;
613 /* compile with debug symbol (and use them if error during execution) */
614 int do_debug;
615 int do_strip;
616 #ifdef CONFIG_TCC_BCHECK
617 /* compile with built-in memory and bounds checker */
618 int do_bounds_check;
619 #endif
620 #ifdef TCC_TARGET_ARM
621 enum float_abi float_abi; /* float ABI of the generated code*/
622 #endif
624 addr_t text_addr; /* address of text section */
625 int has_text_addr;
627 unsigned long section_align; /* section alignment */
629 char *init_symbol; /* symbols to call at load-time (not used currently) */
630 char *fini_symbol; /* symbols to call at unload-time (not used currently) */
632 #ifdef TCC_TARGET_I386
633 int seg_size; /* 32. Can be 16 with i386 assembler (.code16) */
634 #endif
636 /* array of all loaded dlls (including those referenced by loaded dlls) */
637 DLLReference **loaded_dlls;
638 int nb_loaded_dlls;
640 /* include paths */
641 char **include_paths;
642 int nb_include_paths;
644 char **sysinclude_paths;
645 int nb_sysinclude_paths;
647 /* library paths */
648 char **library_paths;
649 int nb_library_paths;
651 /* crt?.o object path */
652 char **crt_paths;
653 int nb_crt_paths;
655 /* error handling */
656 void *error_opaque;
657 void (*error_func)(void *opaque, const char *msg);
658 int error_set_jmp_enabled;
659 jmp_buf error_jmp_buf;
660 int nb_errors;
662 /* output file for preprocessing (-E) */
663 FILE *ppfp;
664 enum {
665 LINE_MACRO_OUTPUT_FORMAT_GCC,
666 LINE_MACRO_OUTPUT_FORMAT_NONE,
667 LINE_MACRO_OUTPUT_FORMAT_STD,
668 } Pflag; /* -P switch */
669 int dflag; /* -dX value */
671 /* for -MD/-MF: collected dependencies for this compilation */
672 char **target_deps;
673 int nb_target_deps;
675 /* compilation */
676 BufferedFile *include_stack[INCLUDE_STACK_SIZE];
677 BufferedFile **include_stack_ptr;
679 int ifdef_stack[IFDEF_STACK_SIZE];
680 int *ifdef_stack_ptr;
682 /* included files enclosed with #ifndef MACRO */
683 int cached_includes_hash[CACHED_INCLUDES_HASH_SIZE];
684 CachedInclude **cached_includes;
685 int nb_cached_includes;
687 /* #pragma pack stack */
688 int pack_stack[PACK_STACK_SIZE];
689 int *pack_stack_ptr;
690 char **pragma_libs;
691 int nb_pragma_libs;
693 /* inline functions are stored as token lists and compiled last
694 only if referenced */
695 struct InlineFunc **inline_fns;
696 int nb_inline_fns;
698 /* sections */
699 Section **sections;
700 int nb_sections; /* number of sections, including first dummy section */
702 Section **priv_sections;
703 int nb_priv_sections; /* number of private sections */
705 /* got & plt handling */
706 Section *got;
707 Section *plt;
708 struct sym_attr *sym_attrs;
709 int nb_sym_attrs;
710 /* give the correspondance from symtab indexes to dynsym indexes */
711 int *symtab_to_dynsym;
713 /* temporary dynamic symbol sections (for dll loading) */
714 Section *dynsymtab_section;
715 /* exported dynamic symbol section */
716 Section *dynsym;
717 /* copy of the gobal symtab_section variable */
718 Section *symtab;
719 /* tiny assembler state */
720 Sym *asm_labels;
722 #ifdef TCC_TARGET_PE
723 /* PE info */
724 int pe_subsystem;
725 unsigned pe_file_align;
726 unsigned pe_stack_size;
727 # ifdef TCC_TARGET_X86_64
728 Section *uw_pdata;
729 int uw_sym;
730 unsigned uw_offs;
731 # endif
732 #endif
734 #ifdef TCC_IS_NATIVE
735 const char *runtime_main;
736 /* for tcc_relocate */
737 void *runtime_mem;
738 # ifdef HAVE_SELINUX
739 void *write_mem;
740 unsigned long mem_size;
741 # endif
742 #endif
744 /* used by main and tcc_parse_args only */
745 char **files; /* files seen on command line */
746 int nb_files; /* number thereof */
747 int nb_libraries; /* number of libs thereof */
748 char *outfile; /* output filename */
749 char *option_m; /* only -m32/-m64 handled */
750 int print_search_dirs; /* option */
751 int option_r; /* option -r */
752 int do_bench; /* option -bench */
753 int gen_deps; /* option -MD */
754 char *deps_outfile; /* option -MF */
757 /* The current value can be: */
758 #define VT_VALMASK 0x003f /* mask for value location, register or: */
759 #define VT_CONST 0x0030 /* constant in vc (must be first non register value) */
760 #define VT_LLOCAL 0x0031 /* lvalue, offset on stack */
761 #define VT_LOCAL 0x0032 /* offset on stack */
762 #define VT_CMP 0x0033 /* the value is stored in processor flags (in vc) */
763 #define VT_JMP 0x0034 /* value is the consequence of jmp true (even) */
764 #define VT_JMPI 0x0035 /* value is the consequence of jmp false (odd) */
765 #define VT_REF 0x0040 /* value is pointer to structure rather than address */
766 #define VT_LVAL 0x0100 /* var is an lvalue */
767 #define VT_SYM 0x0200 /* a symbol value is added */
768 #define VT_MUSTCAST 0x0400 /* value must be casted to be correct (used for
769 char/short stored in integer registers) */
770 #define VT_MUSTBOUND 0x0800 /* bound checking must be done before
771 dereferencing value */
772 #define VT_BOUNDED 0x8000 /* value is bounded. The address of the
773 bounding function call point is in vc */
774 #define VT_LVAL_BYTE 0x1000 /* lvalue is a byte */
775 #define VT_LVAL_SHORT 0x2000 /* lvalue is a short */
776 #define VT_LVAL_UNSIGNED 0x4000 /* lvalue is unsigned */
777 #define VT_LVAL_TYPE (VT_LVAL_BYTE | VT_LVAL_SHORT | VT_LVAL_UNSIGNED)
779 /* types */
780 #define VT_BTYPE 0x000f /* mask for basic type */
781 #define VT_INT 0 /* integer type */
782 #define VT_BYTE 1 /* signed byte type */
783 #define VT_SHORT 2 /* short type */
784 #define VT_VOID 3 /* void type */
785 #define VT_PTR 4 /* pointer */
786 #define VT_ENUM 5 /* enum definition */
787 #define VT_FUNC 6 /* function type */
788 #define VT_STRUCT 7 /* struct/union definition */
789 #define VT_FLOAT 8 /* IEEE float */
790 #define VT_DOUBLE 9 /* IEEE double */
791 #define VT_LDOUBLE 10 /* IEEE long double */
792 #define VT_BOOL 11 /* ISOC99 boolean type */
793 #define VT_LLONG 12 /* 64 bit integer */
794 #define VT_LONG 13 /* long integer (NEVER USED as type, only
795 during parsing) */
796 #define VT_QLONG 14 /* 128-bit integer. Only used for x86-64 ABI */
797 #define VT_QFLOAT 15 /* 128-bit float. Only used for x86-64 ABI */
798 #define VT_UNSIGNED 0x0010 /* unsigned type */
799 #define VT_ARRAY 0x0020 /* array type (also has VT_PTR) */
800 #define VT_BITFIELD 0x0040 /* bitfield modifier */
801 #define VT_CONSTANT 0x0800 /* const modifier */
802 #define VT_VOLATILE 0x1000 /* volatile modifier */
803 #define VT_DEFSIGN 0x2000 /* signed type */
804 #define VT_VLA 0x00020000 /* VLA type (also has VT_PTR and VT_ARRAY) */
806 /* storage */
807 #define VT_EXTERN 0x00000080 /* extern definition */
808 #define VT_STATIC 0x00000100 /* static variable */
809 #define VT_TYPEDEF 0x00000200 /* typedef definition */
810 #define VT_INLINE 0x00000400 /* inline definition */
811 #define VT_IMPORT 0x00004000 /* win32: extern data imported from dll */
812 #define VT_EXPORT 0x00008000 /* win32: data exported from dll */
813 #define VT_WEAK 0x00010000 /* weak symbol */
814 #define VT_TLS 0x00040000 /* thread-local storage */
815 #define VT_VIS_SHIFT 19 /* shift for symbol visibility, overlapping
816 bitfield values, because bitfields never
817 have linkage and hence never have
818 visibility. */
819 #define VT_VIS_SIZE 2 /* We have four visibilities. */
820 #define VT_VIS_MASK (((1 << VT_VIS_SIZE)-1) << VT_VIS_SHIFT)
822 #define VT_STRUCT_SHIFT 19 /* shift for bitfield shift values (max: 32 - 2*6) */
825 /* type mask (except storage) */
826 #define VT_STORAGE (VT_EXTERN | VT_STATIC | VT_TYPEDEF | VT_INLINE | VT_IMPORT | VT_EXPORT | VT_WEAK | VT_VIS_MASK)
827 #define VT_TYPE (~(VT_STORAGE))
829 /* token values */
831 /* warning: the following compare tokens depend on i386 asm code */
832 #define TOK_ULT 0x92
833 #define TOK_UGE 0x93
834 #define TOK_EQ 0x94
835 #define TOK_NE 0x95
836 #define TOK_ULE 0x96
837 #define TOK_UGT 0x97
838 #define TOK_Nset 0x98
839 #define TOK_Nclear 0x99
840 #define TOK_LT 0x9c
841 #define TOK_GE 0x9d
842 #define TOK_LE 0x9e
843 #define TOK_GT 0x9f
845 #define TOK_LAND 0xa0
846 #define TOK_LOR 0xa1
847 #define TOK_DEC 0xa2
848 #define TOK_MID 0xa3 /* inc/dec, to void constant */
849 #define TOK_INC 0xa4
850 #define TOK_UDIV 0xb0 /* unsigned division */
851 #define TOK_UMOD 0xb1 /* unsigned modulo */
852 #define TOK_PDIV 0xb2 /* fast division with undefined rounding for pointers */
854 /* tokens that carry values (in additional token string space / tokc) --> */
855 #define TOK_CCHAR 0xb3 /* char constant in tokc */
856 #define TOK_LCHAR 0xb4
857 #define TOK_CINT 0xb5 /* number in tokc */
858 #define TOK_CUINT 0xb6 /* unsigned int constant */
859 #define TOK_CLLONG 0xb7 /* long long constant */
860 #define TOK_CULLONG 0xb8 /* unsigned long long constant */
861 #define TOK_STR 0xb9 /* pointer to string in tokc */
862 #define TOK_LSTR 0xba
863 #define TOK_CFLOAT 0xbb /* float constant */
864 #define TOK_CDOUBLE 0xbc /* double constant */
865 #define TOK_CLDOUBLE 0xbd /* long double constant */
866 #define TOK_PPNUM 0xbe /* preprocessor number */
867 #define TOK_PPSTR 0xbf /* preprocessor string */
868 #define TOK_LINENUM 0xc0 /* line number info */
869 /* <-- */
871 #define TOK_UMULL 0xc2 /* unsigned 32x32 -> 64 mul */
872 #define TOK_ADDC1 0xc3 /* add with carry generation */
873 #define TOK_ADDC2 0xc4 /* add with carry use */
874 #define TOK_SUBC1 0xc5 /* add with carry generation */
875 #define TOK_SUBC2 0xc6 /* add with carry use */
876 #define TOK_ARROW 0xc7
877 #define TOK_DOTS 0xc8 /* three dots */
878 #define TOK_SHR 0xc9 /* unsigned shift right */
879 #define TOK_TWOSHARPS 0xca /* ## preprocessing token */
880 #define TOK_PLCHLDR 0xcb /* placeholder token as defined in C99 */
881 #define TOK_NOSUBST 0xcc /* means following token has already been pp'd */
883 #define TOK_SHL 0x01 /* shift left */
884 #define TOK_SAR 0x02 /* signed shift right */
886 /* assignement operators : normal operator or 0x80 */
887 #define TOK_A_MOD 0xa5
888 #define TOK_A_AND 0xa6
889 #define TOK_A_MUL 0xaa
890 #define TOK_A_ADD 0xab
891 #define TOK_A_SUB 0xad
892 #define TOK_A_DIV 0xaf
893 #define TOK_A_XOR 0xde
894 #define TOK_A_OR 0xfc
895 #define TOK_A_SHL 0x81
896 #define TOK_A_SAR 0x82
898 #ifndef offsetof
899 #define offsetof(type, field) ((size_t) &((type *)0)->field)
900 #endif
902 #ifndef countof
903 #define countof(tab) (sizeof(tab) / sizeof((tab)[0]))
904 #endif
906 #define TOK_EOF (-1) /* end of file */
907 #define TOK_LINEFEED 10 /* line feed */
909 /* all identificators and strings have token above that */
910 #define TOK_IDENT 256
912 #define DEF_ASM(x) DEF(TOK_ASM_ ## x, #x)
913 #define TOK_ASM_int TOK_INT
914 #define TOK_ASM_weak TOK_WEAK1
916 #if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
917 /* only used for i386 asm opcodes definitions */
918 #define DEF_BWL(x) \
919 DEF(TOK_ASM_ ## x ## b, #x "b") \
920 DEF(TOK_ASM_ ## x ## w, #x "w") \
921 DEF(TOK_ASM_ ## x ## l, #x "l") \
922 DEF(TOK_ASM_ ## x, #x)
923 #define DEF_WL(x) \
924 DEF(TOK_ASM_ ## x ## w, #x "w") \
925 DEF(TOK_ASM_ ## x ## l, #x "l") \
926 DEF(TOK_ASM_ ## x, #x)
927 #ifdef TCC_TARGET_X86_64
928 # define DEF_BWLQ(x) \
929 DEF(TOK_ASM_ ## x ## b, #x "b") \
930 DEF(TOK_ASM_ ## x ## w, #x "w") \
931 DEF(TOK_ASM_ ## x ## l, #x "l") \
932 DEF(TOK_ASM_ ## x ## q, #x "q") \
933 DEF(TOK_ASM_ ## x, #x)
934 # define DEF_WLQ(x) \
935 DEF(TOK_ASM_ ## x ## w, #x "w") \
936 DEF(TOK_ASM_ ## x ## l, #x "l") \
937 DEF(TOK_ASM_ ## x ## q, #x "q") \
938 DEF(TOK_ASM_ ## x, #x)
939 # define DEF_BWLX DEF_BWLQ
940 # define DEF_WLX DEF_WLQ
941 /* number of sizes + 1 */
942 # define NBWLX 5
943 #else
944 # define DEF_BWLX DEF_BWL
945 # define DEF_WLX DEF_WL
946 /* number of sizes + 1 */
947 # define NBWLX 4
948 #endif
950 #define DEF_FP1(x) \
951 DEF(TOK_ASM_ ## f ## x ## s, "f" #x "s") \
952 DEF(TOK_ASM_ ## fi ## x ## l, "fi" #x "l") \
953 DEF(TOK_ASM_ ## f ## x ## l, "f" #x "l") \
954 DEF(TOK_ASM_ ## fi ## x ## s, "fi" #x "s")
956 #define DEF_FP(x) \
957 DEF(TOK_ASM_ ## f ## x, "f" #x ) \
958 DEF(TOK_ASM_ ## f ## x ## p, "f" #x "p") \
959 DEF_FP1(x)
961 #define DEF_ASMTEST(x,suffix) \
962 DEF_ASM(x ## o ## suffix) \
963 DEF_ASM(x ## no ## suffix) \
964 DEF_ASM(x ## b ## suffix) \
965 DEF_ASM(x ## c ## suffix) \
966 DEF_ASM(x ## nae ## suffix) \
967 DEF_ASM(x ## nb ## suffix) \
968 DEF_ASM(x ## nc ## suffix) \
969 DEF_ASM(x ## ae ## suffix) \
970 DEF_ASM(x ## e ## suffix) \
971 DEF_ASM(x ## z ## suffix) \
972 DEF_ASM(x ## ne ## suffix) \
973 DEF_ASM(x ## nz ## suffix) \
974 DEF_ASM(x ## be ## suffix) \
975 DEF_ASM(x ## na ## suffix) \
976 DEF_ASM(x ## nbe ## suffix) \
977 DEF_ASM(x ## a ## suffix) \
978 DEF_ASM(x ## s ## suffix) \
979 DEF_ASM(x ## ns ## suffix) \
980 DEF_ASM(x ## p ## suffix) \
981 DEF_ASM(x ## pe ## suffix) \
982 DEF_ASM(x ## np ## suffix) \
983 DEF_ASM(x ## po ## suffix) \
984 DEF_ASM(x ## l ## suffix) \
985 DEF_ASM(x ## nge ## suffix) \
986 DEF_ASM(x ## nl ## suffix) \
987 DEF_ASM(x ## ge ## suffix) \
988 DEF_ASM(x ## le ## suffix) \
989 DEF_ASM(x ## ng ## suffix) \
990 DEF_ASM(x ## nle ## suffix) \
991 DEF_ASM(x ## g ## suffix)
993 #endif /* defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64 */
995 enum tcc_token {
996 TOK_LAST = TOK_IDENT - 1,
997 #define DEF(id, str) id,
998 #include "tcctok.h"
999 #undef DEF
1002 #define TOK_UIDENT TOK_DEFINE
1004 /* space exlcuding newline */
1005 static inline int is_space(int ch)
1007 return ch == ' ' || ch == '\t' || ch == '\v' || ch == '\f' || ch == '\r';
1010 static inline int isid(int c)
1012 return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || c == '_';
1015 static inline int isnum(int c)
1017 return c >= '0' && c <= '9';
1020 static inline int isoct(int c)
1022 return c >= '0' && c <= '7';
1025 static inline int toup(int c)
1027 return (c >= 'a' && c <= 'z') ? c - 'a' + 'A' : c;
1030 #ifndef PUB_FUNC
1031 # define PUB_FUNC
1032 #endif
1034 #ifdef ONE_SOURCE
1035 #define ST_INLN static inline
1036 #define ST_FUNC static
1037 #define ST_DATA static
1038 #else
1039 #define ST_INLN
1040 #define ST_FUNC
1041 #define ST_DATA extern
1042 #endif
1044 /* ------------ libtcc.c ------------ */
1046 /* use GNU C extensions */
1047 ST_DATA int gnu_ext;
1048 /* use Tiny C extensions */
1049 ST_DATA int tcc_ext;
1050 /* XXX: get rid of this ASAP */
1051 ST_DATA struct TCCState *tcc_state;
1053 #define AFF_PRINT_ERROR 0x0001 /* print error if file not found */
1054 #define AFF_REFERENCED_DLL 0x0002 /* load a referenced dll from another dll */
1055 #define AFF_PREPROCESS 0x0004 /* preprocess file */
1057 /* public functions currently used by the tcc main function */
1058 PUB_FUNC char *pstrcpy(char *buf, int buf_size, const char *s);
1059 PUB_FUNC char *pstrcat(char *buf, int buf_size, const char *s);
1060 PUB_FUNC char *pstrncpy(char *out, const char *in, size_t num);
1061 PUB_FUNC char *tcc_basename(const char *name);
1062 PUB_FUNC char *tcc_fileextension (const char *name);
1064 #ifndef MEM_DEBUG
1065 PUB_FUNC void tcc_free(void *ptr);
1066 PUB_FUNC void *tcc_malloc(unsigned long size);
1067 PUB_FUNC void *tcc_mallocz(unsigned long size);
1068 PUB_FUNC void *tcc_realloc(void *ptr, unsigned long size);
1069 PUB_FUNC char *tcc_strdup(const char *str);
1070 #else
1071 #define tcc_free(ptr) tcc_free_debug(ptr)
1072 #define tcc_malloc(size) tcc_malloc_debug(size, __FILE__, __LINE__)
1073 #define tcc_mallocz(size) tcc_mallocz_debug(size, __FILE__, __LINE__)
1074 #define tcc_realloc(ptr,size) tcc_realloc_debug(ptr, size, __FILE__, __LINE__)
1075 #define tcc_strdup(str) tcc_strdup_debug(str, __FILE__, __LINE__)
1076 PUB_FUNC void tcc_free_debug(void *ptr);
1077 PUB_FUNC void *tcc_malloc_debug(unsigned long size, const char *file, int line);
1078 PUB_FUNC void *tcc_mallocz_debug(unsigned long size, const char *file, int line);
1079 PUB_FUNC void *tcc_realloc_debug(void *ptr, unsigned long size, const char *file, int line);
1080 PUB_FUNC char *tcc_strdup_debug(const char *str, const char *file, int line);
1081 #endif
1083 #define free(p) use_tcc_free(p)
1084 #define malloc(s) use_tcc_malloc(s)
1085 #define realloc(p, s) use_tcc_realloc(p, s)
1086 #undef strdup
1087 #define strdup(s) use_tcc_strdup(s)
1088 PUB_FUNC void tcc_memstats(int bench);
1089 PUB_FUNC void tcc_error_noabort(const char *fmt, ...);
1090 PUB_FUNC NORETURN void tcc_error(const char *fmt, ...);
1091 PUB_FUNC void tcc_warning(const char *fmt, ...);
1093 /* other utilities */
1094 ST_FUNC void dynarray_add(void ***ptab, int *nb_ptr, void *data);
1095 ST_FUNC void dynarray_reset(void *pp, int *n);
1096 ST_FUNC void cstr_ccat(CString *cstr, int ch);
1097 ST_FUNC void cstr_cat(CString *cstr, const char *str);
1098 ST_FUNC void cstr_wccat(CString *cstr, int ch);
1099 ST_FUNC void cstr_new(CString *cstr);
1100 ST_FUNC void cstr_free(CString *cstr);
1101 ST_FUNC void cstr_reset(CString *cstr);
1103 ST_FUNC Section *new_section(TCCState *s1, const char *name, int sh_type, int sh_flags);
1104 ST_FUNC void section_realloc(Section *sec, unsigned long new_size);
1105 ST_FUNC void *section_ptr_add(Section *sec, addr_t size);
1106 ST_FUNC void section_reserve(Section *sec, unsigned long size);
1107 ST_FUNC Section *find_section(TCCState *s1, const char *name);
1109 ST_FUNC void put_extern_sym2(Sym *sym, Section *section, addr_t value, unsigned long size, int can_add_underscore);
1110 ST_FUNC void put_extern_sym(Sym *sym, Section *section, addr_t value, unsigned long size);
1111 ST_FUNC void greloc(Section *s, Sym *sym, unsigned long offset, int type);
1112 ST_FUNC void greloca(Section *s, Sym *sym, unsigned long offset, int type, addr_t addend);
1114 ST_INLN void sym_free(Sym *sym);
1115 ST_FUNC Sym *sym_push2(Sym **ps, int v, int t, long c);
1116 ST_FUNC Sym *sym_find2(Sym *s, int v);
1117 ST_FUNC Sym *sym_push(int v, CType *type, int r, int c);
1118 ST_FUNC void sym_pop(Sym **ptop, Sym *b);
1119 ST_INLN Sym *struct_find(int v);
1120 ST_INLN Sym *sym_find(int v);
1121 ST_FUNC Sym *global_identifier_push(int v, int t, int c);
1123 ST_FUNC void tcc_open_bf(TCCState *s1, const char *filename, int initlen);
1124 ST_FUNC int tcc_open(TCCState *s1, const char *filename);
1125 ST_FUNC void tcc_close(void);
1127 ST_FUNC int tcc_add_file_internal(TCCState *s1, const char *filename, int flags, int filetype);
1128 ST_FUNC int tcc_add_crt(TCCState *s, const char *filename);
1130 #ifndef TCC_TARGET_PE
1131 ST_FUNC int tcc_add_dll(TCCState *s, const char *filename, int flags);
1132 #endif
1134 ST_FUNC void tcc_add_pragma_libs(TCCState *s1);
1135 PUB_FUNC int tcc_add_library_err(TCCState *s, const char *f);
1137 PUB_FUNC void tcc_print_stats(TCCState *s, int64_t total_time);
1138 PUB_FUNC int tcc_parse_args(TCCState *s, int argc, char **argv);
1139 PUB_FUNC void tcc_set_environment(TCCState *s);
1141 /* ------------ tccpp.c ------------ */
1143 ST_DATA struct BufferedFile *file;
1144 ST_DATA int ch, tok;
1145 ST_DATA CValue tokc;
1146 ST_DATA const int *macro_ptr;
1147 ST_DATA int parse_flags;
1148 ST_DATA int tok_flags;
1149 ST_DATA CString tokcstr; /* current parsed string, if any */
1151 /* display benchmark infos */
1152 ST_DATA int total_lines;
1153 ST_DATA int total_bytes;
1154 ST_DATA int tok_ident;
1155 ST_DATA TokenSym **table_ident;
1157 #define TOK_FLAG_BOL 0x0001 /* beginning of line before */
1158 #define TOK_FLAG_BOF 0x0002 /* beginning of file before */
1159 #define TOK_FLAG_ENDIF 0x0004 /* a endif was found matching starting #ifdef */
1160 #define TOK_FLAG_EOF 0x0008 /* end of file */
1162 #define PARSE_FLAG_PREPROCESS 0x0001 /* activate preprocessing */
1163 #define PARSE_FLAG_TOK_NUM 0x0002 /* return numbers instead of TOK_PPNUM */
1164 #define PARSE_FLAG_LINEFEED 0x0004 /* line feed is returned as a
1165 token. line feed is also
1166 returned at eof */
1167 #define PARSE_FLAG_ASM_FILE 0x0008 /* we processing an asm file: '#' can be used for line comment, etc. */
1168 #define PARSE_FLAG_SPACES 0x0010 /* next() returns space tokens (for -E) */
1169 #define PARSE_FLAG_ACCEPT_STRAYS 0x0020 /* next() returns '\\' token */
1170 #define PARSE_FLAG_TOK_STR 0x0040 /* return parsed strings instead of TOK_PPSTR */
1172 ST_FUNC TokenSym *tok_alloc(const char *str, int len);
1173 ST_FUNC const char *get_tok_str(int v, CValue *cv);
1174 ST_FUNC void begin_macro(TokenString *str, int alloc);
1175 ST_FUNC void end_macro(void);
1176 ST_FUNC void save_parse_state(ParseState *s);
1177 ST_FUNC void restore_parse_state(ParseState *s);
1178 ST_INLN void tok_str_new(TokenString *s);
1179 ST_FUNC void tok_str_free(int *str);
1180 ST_FUNC void tok_str_add(TokenString *s, int t);
1181 ST_FUNC void tok_str_add_tok(TokenString *s);
1182 ST_INLN void define_push(int v, int macro_type, int *str, Sym *first_arg);
1183 ST_FUNC void define_undef(Sym *s);
1184 ST_INLN Sym *define_find(int v);
1185 ST_FUNC void free_defines(Sym *b);
1186 ST_FUNC void print_defines(void);
1187 ST_FUNC Sym *label_find(int v);
1188 ST_FUNC Sym *label_push(Sym **ptop, int v, int flags);
1189 ST_FUNC void label_pop(Sym **ptop, Sym *slast);
1190 ST_FUNC void parse_define(void);
1191 ST_FUNC void preprocess(int is_bof);
1192 ST_FUNC void next_nomacro(void);
1193 ST_FUNC void next(void);
1194 ST_INLN void unget_tok(int last_tok);
1195 ST_FUNC void preprocess_init(TCCState *s1);
1196 ST_FUNC void preprocess_new(void);
1197 ST_FUNC void preprocess_delete(void);
1198 ST_FUNC int tcc_preprocess(TCCState *s1);
1199 ST_FUNC void skip(int c);
1200 ST_FUNC NORETURN void expect(const char *msg);
1202 /* ------------ tccgen.c ------------ */
1204 ST_DATA Section *text_section, *data_section, *bss_section; /* predefined sections */
1205 ST_DATA Section *cur_text_section; /* current section where function code is generated */
1206 #ifdef CONFIG_TCC_ASM
1207 ST_DATA Section *last_text_section; /* to handle .previous asm directive */
1208 #endif
1209 #ifdef CONFIG_TCC_BCHECK
1210 /* bound check related sections */
1211 ST_DATA Section *bounds_section; /* contains global data bound description */
1212 ST_DATA Section *lbounds_section; /* contains local data bound description */
1213 #endif
1214 /* symbol sections */
1215 ST_DATA Section *symtab_section, *strtab_section;
1216 /* debug sections */
1217 ST_DATA Section *stab_section, *stabstr_section;
1219 #define SYM_POOL_NB (8192 / sizeof(Sym))
1220 ST_DATA Sym *sym_free_first;
1221 ST_DATA void **sym_pools;
1222 ST_DATA int nb_sym_pools;
1224 ST_DATA Sym *global_stack;
1225 ST_DATA Sym *local_stack;
1226 ST_DATA Sym *local_label_stack;
1227 ST_DATA Sym *global_label_stack;
1228 ST_DATA Sym *define_stack;
1229 ST_DATA CType char_pointer_type, func_old_type, int_type, size_type;
1230 ST_DATA SValue __vstack[1+/*to make bcheck happy*/ VSTACK_SIZE], *vtop, *pvtop;
1231 #define vstack (__vstack + 1)
1232 ST_DATA int rsym, anon_sym, ind, loc;
1234 ST_DATA int const_wanted; /* true if constant wanted */
1235 ST_DATA int nocode_wanted; /* true if no code generation wanted for an expression */
1236 ST_DATA int global_expr; /* true if compound literals must be allocated globally (used during initializers parsing */
1237 ST_DATA CType func_vt; /* current function return type (used by return instruction) */
1238 ST_DATA int func_var; /* true if current function is variadic */
1239 ST_DATA int func_vc;
1240 ST_DATA int last_line_num, last_ind, func_ind; /* debug last line number and pc */
1241 ST_DATA const char *funcname;
1243 ST_FUNC void check_vstack(void);
1244 ST_INLN int is_float(int t);
1245 ST_FUNC int ieee_finite(double d);
1246 ST_FUNC void test_lvalue(void);
1247 ST_FUNC void swap(int *p, int *q);
1248 ST_FUNC void vpushi(int v);
1249 ST_FUNC Sym *external_global_sym(int v, CType *type, int r);
1250 ST_FUNC void vset(CType *type, int r, int v);
1251 ST_FUNC void vswap(void);
1252 ST_FUNC void vpush_global_sym(CType *type, int v);
1253 ST_FUNC void vrote(SValue *e, int n);
1254 ST_FUNC void vrott(int n);
1255 ST_FUNC void vrotb(int n);
1256 #ifdef TCC_TARGET_ARM
1257 ST_FUNC int get_reg_ex(int rc, int rc2);
1258 ST_FUNC void lexpand_nr(void);
1259 #endif
1260 ST_FUNC void vpushv(SValue *v);
1261 ST_FUNC void save_reg(int r);
1262 ST_FUNC int get_reg(int rc);
1263 ST_FUNC void save_regs(int n);
1264 ST_FUNC void gaddrof(void);
1265 ST_FUNC int gv(int rc);
1266 ST_FUNC void gv2(int rc1, int rc2);
1267 ST_FUNC void vpop(void);
1268 ST_FUNC void gen_op(int op);
1269 ST_FUNC int type_size(CType *type, int *a);
1270 ST_FUNC void mk_pointer(CType *type);
1271 ST_FUNC void vstore(void);
1272 ST_FUNC void inc(int post, int c);
1273 ST_FUNC void parse_asm_str(CString *astr);
1274 ST_FUNC int lvalue_type(int t);
1275 ST_FUNC void indir(void);
1276 ST_FUNC void unary(void);
1277 ST_FUNC void expr_prod(void);
1278 ST_FUNC void expr_sum(void);
1279 ST_FUNC void gexpr(void);
1280 ST_FUNC int expr_const(void);
1281 ST_FUNC void gen_inline_functions(void);
1282 ST_FUNC void decl(int l);
1283 #if defined CONFIG_TCC_BCHECK || defined TCC_TARGET_C67
1284 ST_FUNC Sym *get_sym_ref(CType *type, Section *sec, unsigned long offset, unsigned long size);
1285 #endif
1286 #if defined TCC_TARGET_X86_64 && !defined TCC_TARGET_PE
1287 ST_FUNC int classify_x86_64_va_arg(CType *ty);
1288 #endif
1290 /* ------------ tccelf.c ------------ */
1292 #define TCC_OUTPUT_FORMAT_ELF 0 /* default output format: ELF */
1293 #define TCC_OUTPUT_FORMAT_BINARY 1 /* binary image output */
1294 #define TCC_OUTPUT_FORMAT_COFF 2 /* COFF */
1296 #define ARMAG "!<arch>\012" /* For COFF and a.out archives */
1298 typedef struct {
1299 unsigned int n_strx; /* index into string table of name */
1300 unsigned char n_type; /* type of symbol */
1301 unsigned char n_other; /* misc info (usually empty) */
1302 unsigned short n_desc; /* description field */
1303 unsigned int n_value; /* value of symbol */
1304 } Stab_Sym;
1306 ST_FUNC Section *new_symtab(TCCState *s1, const char *symtab_name, int sh_type, int sh_flags, const char *strtab_name, const char *hash_name, int hash_sh_flags);
1308 ST_FUNC int put_elf_str(Section *s, const char *sym);
1309 ST_FUNC int put_elf_sym(Section *s, addr_t value, unsigned long size, int info, int other, int shndx, const char *name);
1310 ST_FUNC int add_elf_sym(Section *s, addr_t value, unsigned long size, int info, int other, int sh_num, const char *name);
1311 ST_FUNC int find_elf_sym(Section *s, const char *name);
1312 ST_FUNC void put_elf_reloc(Section *symtab, Section *s, unsigned long offset, int type, int symbol);
1313 ST_FUNC void put_elf_reloca(Section *symtab, Section *s, unsigned long offset, int type, int symbol, addr_t addend);
1315 ST_FUNC void put_stabs(const char *str, int type, int other, int desc, unsigned long value);
1316 ST_FUNC void put_stabs_r(const char *str, int type, int other, int desc, unsigned long value, Section *sec, int sym_index);
1317 ST_FUNC void put_stabn(int type, int other, int desc, int value);
1318 ST_FUNC void put_stabd(int type, int other, int desc);
1320 ST_FUNC void relocate_common_syms(void);
1321 ST_FUNC void relocate_syms(TCCState *s1, int do_resolve);
1322 ST_FUNC void relocate_section(TCCState *s1, Section *s);
1323 ST_FUNC void relocate_plt(TCCState *s1);
1325 ST_FUNC void tcc_add_linker_symbols(TCCState *s1);
1326 ST_FUNC int tcc_load_object_file(TCCState *s1, int fd, unsigned long file_offset);
1327 ST_FUNC int tcc_load_archive(TCCState *s1, int fd);
1328 ST_FUNC void tcc_add_bcheck(TCCState *s1);
1330 ST_FUNC void build_got_entries(TCCState *s1);
1331 ST_FUNC void tcc_add_runtime(TCCState *s1);
1333 ST_FUNC addr_t get_elf_sym_addr(TCCState *s, const char *name, int err);
1334 #if defined TCC_IS_NATIVE || defined TCC_TARGET_PE
1335 ST_FUNC void *tcc_get_symbol_err(TCCState *s, const char *name);
1336 #endif
1338 #ifndef TCC_TARGET_PE
1339 ST_FUNC int tcc_load_dll(TCCState *s1, int fd, const char *filename, int level);
1340 ST_FUNC int tcc_load_ldscript(TCCState *s1);
1341 ST_FUNC uint8_t *parse_comment(uint8_t *p);
1342 ST_FUNC void minp(void);
1343 ST_INLN void inp(void);
1344 ST_FUNC int handle_eob(void);
1345 #endif
1347 /* ------------ xxx-gen.c ------------ */
1349 ST_DATA const int reg_classes[NB_REGS];
1351 ST_FUNC void gsym_addr(int t, int a);
1352 ST_FUNC void gsym(int t);
1353 ST_FUNC void load(int r, SValue *sv);
1354 ST_FUNC void store(int r, SValue *v);
1355 ST_FUNC int gfunc_sret(CType *vt, int variadic, CType *ret, int *align, int *regsize);
1356 ST_FUNC void gfunc_call(int nb_args);
1357 ST_FUNC void gfunc_prolog(CType *func_type);
1358 ST_FUNC void gfunc_epilog(void);
1359 ST_FUNC int gjmp(int t);
1360 ST_FUNC void gjmp_addr(int a);
1361 ST_FUNC int gtst(int inv, int t);
1362 ST_FUNC void gen_opi(int op);
1363 ST_FUNC void gen_opf(int op);
1364 ST_FUNC void gen_cvt_ftoi(int t);
1365 ST_FUNC void gen_cvt_ftof(int t);
1366 ST_FUNC void ggoto(void);
1367 #ifndef TCC_TARGET_C67
1368 ST_FUNC void o(unsigned int c);
1369 #endif
1370 #ifndef TCC_TARGET_ARM
1371 ST_FUNC void gen_cvt_itof(int t);
1372 #endif
1373 ST_FUNC void gen_vla_sp_save(int addr);
1374 ST_FUNC void gen_vla_sp_restore(int addr);
1375 ST_FUNC void gen_vla_alloc(CType *type, int align);
1377 /* ------------ i386-gen.c ------------ */
1378 #if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
1379 ST_FUNC void g(int c);
1380 ST_FUNC int oad(int c, int s);
1381 ST_FUNC void gen_le16(int c);
1382 ST_FUNC void gen_le32(int c);
1383 ST_FUNC void gen_addr32(int r, Sym *sym, int c);
1384 ST_FUNC void gen_addrpc32(int r, Sym *sym, int c);
1385 #endif
1387 #ifdef CONFIG_TCC_BCHECK
1388 ST_FUNC void gen_bounded_ptr_add(void);
1389 ST_FUNC void gen_bounded_ptr_deref(void);
1390 #endif
1392 /* ------------ x86_64-gen.c ------------ */
1393 #ifdef TCC_TARGET_X86_64
1394 ST_FUNC void gen_addr64(int r, Sym *sym, int64_t c);
1395 ST_FUNC void gen_opl(int op);
1396 #endif
1398 /* ------------ arm-gen.c ------------ */
1399 #ifdef TCC_TARGET_ARM
1400 #if defined(TCC_ARM_EABI) && !defined(CONFIG_TCC_ELFINTERP)
1401 ST_FUNC char *default_elfinterp(struct TCCState *s);
1402 #endif
1403 ST_FUNC void arm_init(struct TCCState *s);
1404 ST_FUNC uint32_t encbranch(int pos, int addr, int fail);
1405 ST_FUNC void gen_cvt_itof1(int t);
1406 #endif
1408 /* ------------ arm64-gen.c ------------ */
1409 #ifdef TCC_TARGET_ARM64
1410 ST_FUNC void gen_cvt_sxtw(void);
1411 ST_FUNC void gen_opl(int op);
1412 ST_FUNC void greturn(void);
1413 ST_FUNC void gen_va_start(void);
1414 ST_FUNC void gen_va_arg(CType *t);
1415 ST_FUNC void gen_clear_cache(void);
1416 #endif
1418 /* ------------ c67-gen.c ------------ */
1419 #ifdef TCC_TARGET_C67
1420 #endif
1422 /* ------------ tcccoff.c ------------ */
1424 #ifdef TCC_TARGET_COFF
1425 ST_FUNC int tcc_output_coff(TCCState *s1, FILE *f);
1426 ST_FUNC int tcc_load_coff(TCCState * s1, int fd);
1427 #endif
1429 /* ------------ tccasm.c ------------ */
1430 ST_FUNC void asm_instr(void);
1431 ST_FUNC void asm_global_instr(void);
1432 #ifdef CONFIG_TCC_ASM
1433 ST_FUNC int find_constraint(ASMOperand *operands, int nb_operands, const char *name, const char **pp);
1434 ST_FUNC void asm_expr(TCCState *s1, ExprValue *pe);
1435 ST_FUNC int asm_int_expr(TCCState *s1);
1436 ST_FUNC int tcc_assemble(TCCState *s1, int do_preprocess);
1437 /* ------------ i386-asm.c ------------ */
1438 ST_FUNC void gen_expr32(ExprValue *pe);
1439 ST_FUNC void asm_opcode(TCCState *s1, int opcode);
1440 ST_FUNC void asm_compute_constraints(ASMOperand *operands, int nb_operands, int nb_outputs, const uint8_t *clobber_regs, int *pout_reg);
1441 ST_FUNC void subst_asm_operand(CString *add_str, SValue *sv, int modifier);
1442 ST_FUNC void asm_gen_code(ASMOperand *operands, int nb_operands, int nb_outputs, int is_output, uint8_t *clobber_regs, int out_reg);
1443 ST_FUNC void asm_clobber(uint8_t *clobber_regs, const char *str);
1444 #endif
1446 /* ------------ tccpe.c -------------- */
1447 #ifdef TCC_TARGET_PE
1448 ST_FUNC int pe_load_file(struct TCCState *s1, const char *filename, int fd);
1449 ST_FUNC int pe_output_file(TCCState * s1, const char *filename);
1450 ST_FUNC int pe_putimport(TCCState *s1, int dllindex, const char *name, addr_t value);
1451 ST_FUNC SValue *pe_getimport(SValue *sv, SValue *v2);
1452 #ifdef TCC_TARGET_X86_64
1453 ST_FUNC void pe_add_unwind_data(unsigned start, unsigned end, unsigned stack);
1454 #endif
1455 /* symbol properties stored in Elf32_Sym->st_other */
1456 # define ST_PE_EXPORT 0x10
1457 # define ST_PE_IMPORT 0x20
1458 # define ST_PE_STDCALL 0x40
1459 #endif
1461 /* ------------ tccrun.c ----------------- */
1462 #ifdef TCC_IS_NATIVE
1463 #ifdef CONFIG_TCC_STATIC
1464 #define RTLD_LAZY 0x001
1465 #define RTLD_NOW 0x002
1466 #define RTLD_GLOBAL 0x100
1467 #define RTLD_DEFAULT NULL
1468 /* dummy function for profiling */
1469 ST_FUNC void *dlopen(const char *filename, int flag);
1470 ST_FUNC void dlclose(void *p);
1471 ST_FUNC const char *dlerror(void);
1472 ST_FUNC void *resolve_sym(TCCState *s1, const char *symbol);
1473 #elif !defined _WIN32
1474 ST_FUNC void *resolve_sym(TCCState *s1, const char *symbol);
1475 #endif
1477 #ifdef CONFIG_TCC_BACKTRACE
1478 ST_DATA int rt_num_callers;
1479 ST_DATA const char **rt_bound_error_msg;
1480 ST_DATA void *rt_prog_main;
1481 ST_FUNC void tcc_set_num_callers(int n);
1482 #endif
1483 #endif
1485 /********************************************************/
1486 #undef ST_DATA
1487 #ifdef ONE_SOURCE
1488 #define ST_DATA static
1489 #else
1490 #define ST_DATA
1491 #endif
1492 /********************************************************/
1493 #endif /* _TCC_H */