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Fixes include the double quotes bug
[tinycc.git] / tcc.h
blob266b43ab4068a3ad5a5378141c4f15734a260c6f
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 #ifndef _TCC_H
22 #define _TCC_H
23
24 #define _GNU_SOURCE
25 #include "config.h"
26
27 #ifdef CONFIG_TCCBOOT
28 #include "tccboot.h"
29 #define CONFIG_TCC_STATIC
30 #else
31
32 #include <stdlib.h>
33 #include <stdio.h>
34 #include <stdarg.h>
35 #include <string.h>
36 #include <errno.h>
37 #include <math.h>
38 #include <signal.h>
39 #include <fcntl.h>
40 #include <setjmp.h>
41 #include <time.h>
42 #include <assert.h>
43
44 #ifdef CONFIG_TCCASSERT
45 #include <assert.h>
46 #define TCC_ASSERT(ex) assert(ex)
47 #else
48 #define TCC_ASSERT(ex)
49 #endif
50
51 #ifndef _WIN32
52 # include <unistd.h>
53 # include <sys/time.h>
54 # include <sys/ucontext.h>
55 # include <sys/mman.h>
56 # ifndef CONFIG_TCC_STATIC
57 # include <dlfcn.h>
58 # endif
59 /* XXX: need to define this to use them in non ISOC99 context */
60 extern float strtof (const char *__nptr, char **__endptr);
61 extern long double strtold (const char *__nptr, char **__endptr);
62 #else /* on _WIN32: */
63 # include <windows.h>
64 # include <sys/timeb.h>
65 # include <io.h> /* open, close etc. */
66 # include <direct.h> /* getcwd */
67 # ifdef __GNUC__
68 # include <stdint.h>
69 # endif
70 # define inline __inline
71 # define inp next_inp
72 # define snprintf _snprintf
73 # define vsnprintf _vsnprintf
74 # ifndef __GNUC__
75 # define strtold (long double)strtod
76 # define strtof (float)strtod
77 # define strtoll _strtoi64
78 # define strtoull _strtoui64
79 # endif
80 # ifdef LIBTCC_AS_DLL
81 # define LIBTCCAPI __declspec(dllexport)
82 # define PUB_FUNC LIBTCCAPI
83 # endif
84 #endif
85
86 #endif /* !CONFIG_TCCBOOT */
87
88 #ifndef O_BINARY
89 # define O_BINARY 0
90 #endif
91
92 #ifdef __GNUC__
93 # define NORETURN __attribute__ ((noreturn))
94 #elif defined _MSC_VER
95 # define NORETURN __declspec(noreturn)
96 #else
97 # define NORETURN
98 #endif
99
100 #ifdef _WIN32
101 # define IS_DIRSEP(c) (c == '/' || c == '\\')
102 # define IS_ABSPATH(p) (IS_DIRSEP(p[0]) || (p[0] && p[1] == ':' && IS_DIRSEP(p[2])))
103 # define PATHCMP stricmp
104 #else
105 # define IS_DIRSEP(c) (c == '/')
106 # define IS_ABSPATH(p) IS_DIRSEP(p[0])
107 # define PATHCMP strcmp
108 #endif
109
110 #ifdef TCC_TARGET_PE
111 #define PATHSEP ';'
112 #else
113 #define PATHSEP ':'
114 #endif
115
116 #include "elf.h"
117 #ifdef TCC_TARGET_X86_64
118 # define ELFCLASSW ELFCLASS64
119 # define ElfW(type) Elf##64##_##type
120 # define ELFW(type) ELF##64##_##type
121 # define ElfW_Rel ElfW(Rela)
122 # define SHT_RELX SHT_RELA
123 # define REL_SECTION_FMT ".rela%s"
124 /* XXX: DLL with PLT would only work with x86-64 for now */
125 # define TCC_OUTPUT_DLL_WITH_PLT
126 #else
127 # define ELFCLASSW ELFCLASS32
128 # define ElfW(type) Elf##32##_##type
129 # define ELFW(type) ELF##32##_##type
130 # define ElfW_Rel ElfW(Rel)
131 # define SHT_RELX SHT_REL
132 # define REL_SECTION_FMT ".rel%s"
133 #endif
134
135 /* target address type */
136 #define addr_t ElfW(Addr)
137
138 #include "stab.h"
139 #include "libtcc.h"
140
141 /* parser debug */
142 /* #define PARSE_DEBUG */
143 /* preprocessor debug */
144 /* #define PP_DEBUG */
145 /* include file debug */
146 /* #define INC_DEBUG */
147 /* memory leak debug */
148 /* #define MEM_DEBUG */
149 /* assembler debug */
150 /* #define ASM_DEBUG */
151 /* #define PRINTF_ASM_CODE */
152
153 /* target selection */
154 /* #define TCC_TARGET_I386 *//* i386 code generator */
155 /* #define TCC_TARGET_ARM *//* ARMv4 code generator */
156 /* #define TCC_TARGET_C67 *//* TMS320C67xx code generator */
157 /* #define TCC_TARGET_X86_64 *//* x86-64 code generator */
158
159 /* default target is I386 */
160 #if !defined(TCC_TARGET_I386) && !defined(TCC_TARGET_ARM) && \
161 !defined(TCC_TARGET_C67) && !defined(TCC_TARGET_X86_64)
162 #define TCC_TARGET_I386
163 #endif
164
165 #if !defined(TCC_UCLIBC) && !defined(TCC_TARGET_ARM) && \
166 !defined(TCC_TARGET_C67) && !defined(TCC_TARGET_X86_64) && \
167 !defined(CONFIG_USE_LIBGCC)
168 #define CONFIG_TCC_BCHECK /* enable bound checking code */
169 #endif
170
171 /* define it to include assembler support */
172 #if !defined(TCC_TARGET_ARM) && !defined(TCC_TARGET_C67)
173 #define CONFIG_TCC_ASM
174 #endif
175
176 /* object format selection */
177 #if defined(TCC_TARGET_C67)
178 #define TCC_TARGET_COFF
179 #endif
180
181 /* only native compiler supports -run */
182 #if defined _WIN32 == defined TCC_TARGET_PE
183 # if (defined __i386__ || defined _X86_) && defined TCC_TARGET_I386
184 # define TCC_IS_NATIVE
185 # elif (defined __x86_64__ || defined _AMD64_) && defined TCC_TARGET_X86_64
186 # define TCC_IS_NATIVE
187 # elif defined __arm__ && defined TCC_TARGET_ARM
188 # define TCC_IS_NATIVE
189 # endif
190 #endif
191
192 #if defined TCC_IS_NATIVE && !defined CONFIG_TCCBOOT
193 # define CONFIG_TCC_BACKTRACE
194 #endif
195
196 /* ------------ path configuration ------------ */
197
198 #ifndef CONFIG_SYSROOT
199 # define CONFIG_SYSROOT ""
200 #endif
201 #ifndef CONFIG_TCCDIR
202 # define CONFIG_TCCDIR "."
203 #endif
204 #ifndef CONFIG_LDDIR
205 # define CONFIG_LDDIR "lib"
206 #endif
207
208 #ifdef CONFIG_MULTIARCHDIR
209 # define USE_MUADIR(s) s "/" CONFIG_MULTIARCHDIR
210 # define ALSO_MUADIR(s) s "/" CONFIG_MULTIARCHDIR ":" s
211 #else
212 # define USE_MUADIR(s) s
213 # define ALSO_MUADIR(s) s
214 #endif
215
216 /* path to find crt1.o, crti.o and crtn.o */
217 #ifndef CONFIG_TCC_CRTPREFIX
218 # define CONFIG_TCC_CRTPREFIX USE_MUADIR(CONFIG_SYSROOT "/usr/" CONFIG_LDDIR)
219 #endif
220
221 /* Below: {B} is substituted by CONFIG_TCCDIR (rsp. -B option) */
222
223 /* system include paths */
224 #ifndef CONFIG_TCC_SYSINCLUDEPATHS
225 # ifdef TCC_TARGET_PE
226 # define CONFIG_TCC_SYSINCLUDEPATHS "{B}/include;{B}/include/winapi"
227 # else
228 # define CONFIG_TCC_SYSINCLUDEPATHS \
229 ALSO_MUADIR(CONFIG_SYSROOT "/usr/local/include") \
230 ":" ALSO_MUADIR(CONFIG_SYSROOT "/usr/include") \
231 ":" "{B}/include"
232 # endif
233 #endif
234
235 /* library search paths */
236 #ifndef CONFIG_TCC_LIBPATHS
237 # ifdef TCC_TARGET_PE
238 # define CONFIG_TCC_LIBPATHS "{B}/lib"
239 # else
240 # define CONFIG_TCC_LIBPATHS \
241 ALSO_MUADIR(CONFIG_SYSROOT "/usr/" CONFIG_LDDIR) \
242 ":" ALSO_MUADIR(CONFIG_SYSROOT "/" CONFIG_LDDIR) \
243 ":" ALSO_MUADIR(CONFIG_SYSROOT "/usr/local/" CONFIG_LDDIR)
244 # endif
245 #endif
246
247 /* name of ELF interpreter */
248 #ifndef CONFIG_TCC_ELFINTERP
249 # if defined __FreeBSD__
250 # define CONFIG_TCC_ELFINTERP "/libexec/ld-elf.so.1"
251 # elif defined __FreeBSD_kernel__
252 # if defined(TCC_TARGET_X86_64)
253 # define CONFIG_TCC_ELFINTERP "/lib/ld-kfreebsd-x86-64.so.1"
254 # else
255 # define CONFIG_TCC_ELFINTERP "/lib/ld.so.1"
256 # endif
257 # elif defined __DragonFly__
258 # define CONFIG_TCC_ELFINTERP "/usr/libexec/ld-elf.so.2"
259 # elif defined __GNU__
260 # define CONFIG_TCC_ELFINTERP "/lib/ld.so"
261 # elif defined(TCC_TARGET_X86_64)
262 # define CONFIG_TCC_ELFINTERP "/lib64/ld-linux-x86-64.so.2"
263 # elif defined(TCC_UCLIBC)
264 # define CONFIG_TCC_ELFINTERP "/lib/ld-uClibc.so.0"
265 # elif defined(TCC_TARGET_PE)
266 # define CONFIG_TCC_ELFINTERP "-"
267 # elif !defined(TCC_ARM_EABI)
268 # define CONFIG_TCC_ELFINTERP "/lib/ld-linux.so.2"
269 # endif
270 #endif
271
272 /* var elf_interp dans *-gen.c */
273 #ifdef CONFIG_TCC_ELFINTERP
274 # define DEFAULT_ELFINTERP(s) CONFIG_TCC_ELFINTERP
275 #else
276 # define DEFAULT_ELFINTERP(s) default_elfinterp(s)
277 #endif
278
279 /* library to use with CONFIG_USE_LIBGCC instead of libcrt.a */
280 #define TCC_LIBGCC USE_MUADIR(CONFIG_SYSROOT "/" CONFIG_LDDIR) "/libgcc_s.so.1"
281
282 /* -------------------------------------------- */
283 /* include the target specific definitions */
284
285 #define TARGET_DEFS_ONLY
286 #ifdef TCC_TARGET_I386
287 # include "i386-gen.c"
288 #endif
289 #ifdef TCC_TARGET_X86_64
290 # include "x86_64-gen.c"
291 #endif
292 #ifdef TCC_TARGET_ARM
293 # include "arm-gen.c"
294 #endif
295 #ifdef TCC_TARGET_C67
296 # include "coff.h"
297 # include "c67-gen.c"
298 #endif
299 #undef TARGET_DEFS_ONLY
300
301 /* -------------------------------------------- */
302
303 #define INCLUDE_STACK_SIZE 32
304 #define IFDEF_STACK_SIZE 64
305 #define VSTACK_SIZE 256
306 #define STRING_MAX_SIZE 1024
307 #define PACK_STACK_SIZE 8
308 #define MACRO_STACK_SIZE 4
309
310 #define TOK_HASH_SIZE 8192 /* must be a power of two */
311 #define TOK_ALLOC_INCR 512 /* must be a power of two */
312 #define TOK_MAX_SIZE 4 /* token max size in int unit when stored in string */
313
314 typedef struct CSym {
315 int off;
316 int size;/* size in *sym */
317 struct Sym **data; /* if non NULL, data has been malloced */
318 } CSym;
319
320 /* token symbol management */
321 typedef struct TokenSym {
322 struct TokenSym *hash_next;
323 struct CSym sym_define; /* direct pointer to define */
324 struct Sym *sym_label; /* direct pointer to label */
325 struct Sym *sym_struct; /* direct pointer to structure */
326 struct Sym *sym_identifier; /* direct pointer to identifier */
327 int tok; /* token number */
328 int len;
329 char str[1];
330 } TokenSym;
331
332 #ifdef TCC_TARGET_PE
333 typedef unsigned short nwchar_t;
334 #else
335 typedef int nwchar_t;
336 #endif
337
338 typedef struct CString {
339 int size; /* size in bytes */
340 void *data; /* either 'char *' or 'nwchar_t *' */
341 int size_allocated;
342 void *data_allocated; /* if non NULL, data has been malloced */
343 } CString;
344
345 /* type definition */
346 typedef struct CType {
347 int t;
348 struct Sym *ref;
349 } CType;
350
351 /* constant value */
352 typedef union CValue {
353 long double ld;
354 double d;
355 float f;
356 int i;
357 unsigned int ui;
358 unsigned int ul; /* address (should be unsigned long on 64 bit cpu) */
359 long long ll;
360 unsigned long long ull;
361 struct CString *cstr;
362 addr_t ptr_offset;
363 int tab[LDOUBLE_SIZE/4];
364 } CValue;
365
366 /* value on stack */
367 typedef struct SValue {
368 CType type; /* type */
369 unsigned int r; /* register + flags */
370 unsigned int r2; /* second register, used for 'long long'
371 type. If not used, set to VT_CONST */
372 CValue c; /* constant, if VT_CONST */
373 struct Sym *sym; /* symbol, if (VT_SYM | VT_CONST) */
374 } SValue;
375
376 struct Attribute {
377 unsigned
378 func_call : 3, /* calling convention (0..5), see below */
379 aligned : 5, /* alignement (0..16) */
380 packed : 1,
381 func_export : 1,
382 func_import : 1,
383 func_args : 5,
384 func_proto : 1,
385 mode : 4,
386 weak : 1,
387 visibility : 2,
388 fill : 8; // 8 bits left to fit well in union below
389 };
390
391 /* GNUC attribute definition */
392 typedef struct AttributeDef {
393 struct Attribute a;
394 struct Section *section;
395 int alias_target; /* token */
396 } AttributeDef;
397
398 /* symbol management */
399 typedef struct Sym {
400 int v; /* symbol token */
401 char *asm_label; /* associated asm label */
402 union {
403 long r; /* associated register */
404 struct Attribute a;
405 };
406 union {
407 long c; /* associated number */
408 int *d; /* define token stream */
409 };
410 CType type; /* associated type */
411 union {
412 struct Sym *next; /* next related symbol */
413 long jnext; /* next jump label */
414 };
415 struct Sym *prev; /* prev symbol in stack */
416 struct Sym *prev_tok; /* previous symbol for this token */
417 } Sym;
418
419 /* section definition */
420 /* XXX: use directly ELF structure for parameters ? */
421 /* special flag to indicate that the section should not be linked to
422 the other ones */
423 #define SHF_PRIVATE 0x80000000
424
425 /* special flag, too */
426 #define SECTION_ABS ((void *)1)
427
428 typedef struct Section {
429 unsigned long data_offset; /* current data offset */
430 unsigned char *data; /* section data */
431 unsigned long data_allocated; /* used for realloc() handling */
432 int sh_name; /* elf section name (only used during output) */
433 int sh_num; /* elf section number */
434 int sh_type; /* elf section type */
435 int sh_flags; /* elf section flags */
436 int sh_info; /* elf section info */
437 int sh_addralign; /* elf section alignment */
438 int sh_entsize; /* elf entry size */
439 unsigned long sh_size; /* section size (only used during output) */
440 addr_t sh_addr; /* address at which the section is relocated */
441 unsigned long sh_offset; /* file offset */
442 int nb_hashed_syms; /* used to resize the hash table */
443 struct Section *link; /* link to another section */
444 struct Section *reloc; /* corresponding section for relocation, if any */
445 struct Section *hash; /* hash table for symbols */
446 struct Section *next;
447 char name[1]; /* section name */
448 } Section;
449
450 typedef struct DLLReference {
451 int level;
452 void *handle;
453 char name[1];
454 } DLLReference;
455
456 /* -------------------------------------------------- */
457
458 #define SYM_STRUCT 0x40000000 /* struct/union/enum symbol space */
459 #define SYM_FIELD 0x20000000 /* struct/union field symbol space */
460 #define SYM_FIRST_ANOM 0x10000000 /* first anonymous sym */
461
462 #define VLA_SP_LOC_SET 0x01 /* Location of SP on stack has been allocated */
463 #define VLA_SP_SAVED 0x02 /* SP has been saved to slot already */
464 #define VLA_NEED_NEW_FRAME 0x04 /* Needs new frame for next VLA */
465 #define VLA_IN_SCOPE 0x08 /* One or more VLAs are in scope */
466 #define VLA_SCOPE_FLAGS (VLA_SP_SAVED|VLA_NEED_NEW_FRAME|VLA_IN_SCOPE) /* Flags which are saved and restored upon entering and exiting a block */
467
468 /* stored in 'Sym.c' field */
469 #define FUNC_NEW 1 /* ansi function prototype */
470 #define FUNC_OLD 2 /* old function prototype */
471 #define FUNC_ELLIPSIS 3 /* ansi function prototype with ... */
472
473 /* stored in 'Sym.r' field */
474 #define FUNC_CDECL 0 /* standard c call */
475 #define FUNC_STDCALL 1 /* pascal c call */
476 #define FUNC_FASTCALL1 2 /* first param in %eax */
477 #define FUNC_FASTCALL2 3 /* first parameters in %eax, %edx */
478 #define FUNC_FASTCALL3 4 /* first parameter in %eax, %edx, %ecx */
479 #define FUNC_FASTCALLW 5 /* first parameter in %ecx, %edx */
480
481 /* field 'Sym.t' for macros */
482 #define MACRO_OBJ 0 /* object like macro */
483 #define MACRO_FUNC 1 /* function like macro */
484
485 /* field 'Sym.r' for C labels */
486 #define LABEL_DEFINED 0 /* label is defined */
487 #define LABEL_FORWARD 1 /* label is forward defined */
488 #define LABEL_DECLARED 2 /* label is declared but never used */
489
490 /* type_decl() types */
491 #define TYPE_ABSTRACT 1 /* type without variable */
492 #define TYPE_DIRECT 2 /* type with variable */
493
494 #define IO_BUF_SIZE 8192
495
496 typedef struct BufferedFile {
497 uint8_t *buf_ptr;
498 uint8_t *buf_end;
499 int fd;
500 struct BufferedFile *prev;
501 int line_num; /* current line number - here to simplify code */
502 int ifndef_macro; /* #ifndef macro / #endif search */
503 int ifndef_macro_saved; /* saved ifndef_macro */
504 int *ifdef_stack_ptr; /* ifdef_stack value at the start of the file */
505 char filename[1024]; /* filename */
506 unsigned char buffer[IO_BUF_SIZE + 1]; /* extra size for CH_EOB char */
507 } BufferedFile;
508
509 #define CH_EOB '\\' /* end of buffer or '\0' char in file */
510 #define CH_EOF (-1) /* end of file */
511
512 /* parsing state (used to save parser state to reparse part of the
513 source several times) */
514 typedef struct ParseState {
515 const int *macro_ptr;
516 int line_num;
517 int tok;
518 CValue tokc;
519 } ParseState;
520
521 /* used to record tokens */
522 typedef struct TokenString {
523 int *str;
524 int len;
525 int allocated_len;
526 int last_line_num;
527 } TokenString;
528
529 /* inline functions */
530 typedef struct InlineFunc {
531 int *token_str;
532 Sym *sym;
533 char filename[1];
534 } InlineFunc;
535
536 /* include file cache, used to find files faster and also to eliminate
537 inclusion if the include file is protected by #ifndef ... #endif */
538 typedef struct CachedInclude {
539 int ifndef_macro;
540 int hash_next; /* -1 if none */
541 char filename[1]; /* path specified in #include */
542 } CachedInclude;
543
544 #define CACHED_INCLUDES_HASH_SIZE 512
545
546 #ifdef CONFIG_TCC_ASM
547 typedef struct ExprValue {
548 uint32_t v;
549 Sym *sym;
550 } ExprValue;
551
552 #define MAX_ASM_OPERANDS 30
553 typedef struct ASMOperand {
554 int id; /* GCC 3 optionnal identifier (0 if number only supported */
555 char *constraint;
556 char asm_str[16]; /* computed asm string for operand */
557 SValue *vt; /* C value of the expression */
558 int ref_index; /* if >= 0, gives reference to a output constraint */
559 int input_index; /* if >= 0, gives reference to an input constraint */
560 int priority; /* priority, used to assign registers */
561 int reg; /* if >= 0, register number used for this operand */
562 int is_llong; /* true if double register value */
563 int is_memory; /* true if memory operand */
564 int is_rw; /* for '+' modifier */
565 } ASMOperand;
566 #endif
567
568 struct sym_attr {
569 unsigned long got_offset;
570 unsigned long plt_offset;
571 #ifdef TCC_TARGET_ARM
572 unsigned char plt_thumb_stub:1;
573 #endif
574 };
575
576 struct TCCState {
577
578 int verbose; /* if true, display some information during compilation */
579 int nostdinc; /* if true, no standard headers are added */
580 int nostdlib; /* if true, no standard libraries are added */
581 int nocommon; /* if true, do not use common symbols for .bss data */
582 int static_link; /* if true, static linking is performed */
583 int rdynamic; /* if true, all symbols are exported */
584 int symbolic; /* if true, resolve symbols in the current module first */
585 int alacarte_link; /* if true, only link in referenced objects from archive */
586
587 char *tcc_lib_path; /* CONFIG_TCCDIR or -B option */
588 char *soname; /* as specified on the command line (-soname) */
589 char *rpath; /* as specified on the command line (-Wl,-rpath=) */
590
591 /* output type, see TCC_OUTPUT_XXX */
592 int output_type;
593 /* output format, see TCC_OUTPUT_FORMAT_xxx */
594 int output_format;
595
596 /* C language options */
597 int char_is_unsigned;
598 int leading_underscore;
599
600 /* warning switches */
601 int warn_write_strings;
602 int warn_unsupported;
603 int warn_error;
604 int warn_none;
605 int warn_implicit_function_declaration;
606
607 /* compile with debug symbol (and use them if error during execution) */
608 int do_debug;
609 #ifdef CONFIG_TCC_BCHECK
610 /* compile with built-in memory and bounds checker */
611 int do_bounds_check;
612 #endif
613 #ifdef TCC_TARGET_ARM
614 enum float_abi float_abi; /* float ABI of the generated code*/
615 #endif
616
617 addr_t text_addr; /* address of text section */
618 int has_text_addr;
619
620 unsigned long section_align; /* section alignment */
621
622 char *init_symbol; /* symbols to call at load-time (not used currently) */
623 char *fini_symbol; /* symbols to call at unload-time (not used currently) */
624
625 #ifdef TCC_TARGET_I386
626 int seg_size; /* 32. Can be 16 with i386 assembler (.code16) */
627 #endif
628
629 /* array of all loaded dlls (including those referenced by loaded dlls) */
630 DLLReference **loaded_dlls;
631 int nb_loaded_dlls;
632
633 /* include paths */
634 char **include_paths;
635 int nb_include_paths;
636
637 char **sysinclude_paths;
638 int nb_sysinclude_paths;
639
640 /* library paths */
641 char **library_paths;
642 int nb_library_paths;
643
644 /* crt?.o object path */
645 char **crt_paths;
646 int nb_crt_paths;
647
648 /* error handling */
649 void *error_opaque;
650 void (*error_func)(void *opaque, const char *msg);
651 int error_set_jmp_enabled;
652 jmp_buf error_jmp_buf;
653 int nb_errors;
654
655 /* output file for preprocessing (-E) */
656 FILE *ppfp;
657
658 /* for -MD/-MF: collected dependencies for this compilation */
659 char **target_deps;
660 int nb_target_deps;
661
662 /* compilation */
663 BufferedFile *include_stack[INCLUDE_STACK_SIZE];
664 BufferedFile **include_stack_ptr;
665
666 int ifdef_stack[IFDEF_STACK_SIZE];
667 int *ifdef_stack_ptr;
668
669 /* included files enclosed with #ifndef MACRO */
670 int cached_includes_hash[CACHED_INCLUDES_HASH_SIZE];
671 CachedInclude **cached_includes;
672 int nb_cached_includes;
673
674 /* #pragma pack stack */
675 int pack_stack[PACK_STACK_SIZE];
676 int *pack_stack_ptr;
677
678 /* inline functions are stored as token lists and compiled last
679 only if referenced */
680 struct InlineFunc **inline_fns;
681 int nb_inline_fns;
682
683 /* sections */
684 Section **sections;
685 int nb_sections; /* number of sections, including first dummy section */
686
687 Section **priv_sections;
688 int nb_priv_sections; /* number of private sections */
689
690 /* got & plt handling */
691 Section *got;
692 Section *plt;
693 struct sym_attr *sym_attrs;
694 int nb_sym_attrs;
695 /* give the correspondance from symtab indexes to dynsym indexes */
696 int *symtab_to_dynsym;
697
698 /* temporary dynamic symbol sections (for dll loading) */
699 Section *dynsymtab_section;
700 /* exported dynamic symbol section */
701 Section *dynsym;
702 /* copy of the gobal symtab_section variable */
703 Section *symtab;
704 /* tiny assembler state */
705 Sym *asm_labels;
706
707 #ifdef TCC_TARGET_PE
708 /* PE info */
709 int pe_subsystem;
710 unsigned pe_file_align;
711 unsigned pe_stack_size;
712 # ifdef TCC_TARGET_X86_64
713 Section *uw_pdata;
714 int uw_sym;
715 unsigned uw_offs;
716 # endif
717 #endif
718
719 #ifdef TCC_IS_NATIVE
720 const char *runtime_main;
721 /* for tcc_relocate */
722 void *runtime_mem;
723 # ifdef HAVE_SELINUX
724 void *write_mem;
725 unsigned long mem_size;
726 # endif
727 #endif
728
729 /* used by main and tcc_parse_args only */
730 char **files; /* files seen on command line */
731 int nb_files; /* number thereof */
732 int nb_libraries; /* number of libs thereof */
733 char *outfile; /* output filename */
734 char *option_m; /* only -m32/-m64 handled */
735 int print_search_dirs; /* option */
736 int option_r; /* option -r */
737 int do_bench; /* option -bench */
738 int gen_deps; /* option -MD */
739 char *deps_outfile; /* option -MF */
740 };
741
742 /* The current value can be: */
743 #define VT_VALMASK 0x003f /* mask for value location, register or: */
744 #define VT_CONST 0x0030 /* constant in vc (must be first non register value) */
745 #define VT_LLOCAL 0x0031 /* lvalue, offset on stack */
746 #define VT_LOCAL 0x0032 /* offset on stack */
747 #define VT_CMP 0x0033 /* the value is stored in processor flags (in vc) */
748 #define VT_JMP 0x0034 /* value is the consequence of jmp true (even) */
749 #define VT_JMPI 0x0035 /* value is the consequence of jmp false (odd) */
750 #define TREG_MEM 0x0040 /* x86_64-gen.c add for tcc.h: The current value can be */
751 #define VT_REF 0x0080 /* value is pointer to structure rather than address */
752 #define VT_LVAL 0x0100 /* var is an lvalue */
753 #define VT_SYM 0x0200 /* a symbol value is added */
754 #define VT_MUSTCAST 0x0400 /* value must be casted to be correct (used for
755 char/short stored in integer registers) */
756 #define VT_MUSTBOUND 0x0800 /* bound checking must be done before
757 dereferencing value */
758 #define VT_LVAL_BYTE 0x1000 /* lvalue is a byte */
759 #define VT_LVAL_SHORT 0x2000 /* lvalue is a short */
760 #define VT_LVAL_UNSIGNED 0x4000 /* lvalue is unsigned */
761 #define VT_LVAL_TYPE (VT_LVAL_BYTE | VT_LVAL_SHORT | VT_LVAL_UNSIGNED)
762 #define VT_BOUNDED 0x8000 /* value is bounded. The address of the
763 bounding function call point is in vc */
764 #define VT_TMP 0x10000
765
766 /* types */
767 #define VT_BTYPE 0x000f /* mask for basic type */
768 #define VT_INT 0 /* integer type */
769 #define VT_BYTE 1 /* signed byte type */
770 #define VT_SHORT 2 /* short type */
771 #define VT_VOID 3 /* void type */
772 #define VT_PTR 4 /* pointer */
773 #define VT_ENUM 5 /* enum definition */
774 #define VT_FUNC 6 /* function type */
775 #define VT_STRUCT 7 /* struct/union definition */
776 #define VT_FLOAT 8 /* IEEE float */
777 #define VT_DOUBLE 9 /* IEEE double */
778 #define VT_LDOUBLE 10 /* IEEE long double */
779 #define VT_BOOL 11 /* ISOC99 boolean type */
780 #define VT_LLONG 12 /* 64 bit integer */
781 #define VT_LONG 13 /* long integer (NEVER USED as type, only
782 during parsing) */
783 #define VT_QLONG 14 /* 128-bit integer. Only used for x86-64 ABI */
784 #define VT_QFLOAT 15 /* 128-bit float. Only used for x86-64 ABI */
785 #define VT_UNSIGNED 0x0010 /* unsigned type */
786 #define VT_ARRAY 0x0020 /* array type (also has VT_PTR) */
787 #define VT_BITFIELD 0x0040 /* bitfield modifier */
788 #define VT_CONSTANT 0x0800 /* const modifier */
789 #define VT_VOLATILE 0x1000 /* volatile modifier */
790 #define VT_DEFSIGN 0x2000 /* signed type */
791 #define VT_VLA 0x00020000 /* VLA type (also has VT_PTR and VT_ARRAY) */
792 #define VT_VLS 0x00080000 /* VLA type (also has VT_PTR and VT_STRUCT) */
793
794 /* storage */
795 #define VT_EXTERN 0x00000080 /* extern definition */
796 #define VT_STATIC 0x00000100 /* static variable */
797 #define VT_TYPEDEF 0x00000200 /* typedef definition */
798 #define VT_INLINE 0x00000400 /* inline definition */
799 #define VT_IMPORT 0x00004000 /* win32: extern data imported from dll */
800 #define VT_EXPORT 0x00008000 /* win32: data exported from dll */
801 #define VT_WEAK 0x00010000 /* weak symbol */
802 #define VT_TLS 0x00040000 /* thread-local storage */
803 #define VT_VIS_SHIFT 20 /* shift for symbol visibility, overlapping
804 bitfield values, because bitfields never
805 have linkage and hence never have
806 visibility. */
807 #define VT_VIS_SIZE 2 /* We have four visibilities. */
808 #define VT_VIS_MASK (((1 << VT_VIS_SIZE)-1) << VT_VIS_SHIFT)
809
810 #define VT_STRUCT_SHIFT 20 /* shift for bitfield shift values (max: 32 - 2*6) */
811
812
813 /* type mask (except storage) */
814 #define VT_STORAGE (VT_EXTERN | VT_STATIC | VT_TYPEDEF | VT_INLINE | VT_IMPORT | VT_EXPORT | VT_WEAK | VT_VIS_MASK)
815 #define VT_TYPE (~(VT_STORAGE))
816
817 /* token values */
818
819 /* warning: the following compare tokens depend on i386 asm code */
820 #define TOK_ULT 0x92
821 #define TOK_UGE 0x93
822 #define TOK_EQ 0x94
823 #define TOK_NE 0x95
824 #define TOK_ULE 0x96
825 #define TOK_UGT 0x97
826 #define TOK_Nset 0x98
827 #define TOK_Nclear 0x99
828 #define TOK_LT 0x9c
829 #define TOK_GE 0x9d
830 #define TOK_LE 0x9e
831 #define TOK_GT 0x9f
832
833 #define TOK_LAND 0xa0
834 #define TOK_LOR 0xa1
835 #define TOK_DEC 0xa2
836 #define TOK_MID 0xa3 /* inc/dec, to void constant */
837 #define TOK_INC 0xa4
838 #define TOK_UDIV 0xb0 /* unsigned division */
839 #define TOK_UMOD 0xb1 /* unsigned modulo */
840 #define TOK_PDIV 0xb2 /* fast division with undefined rounding for pointers */
841
842 /* tokens that carry values (in additional token string space / tokc) --> */
843 #define TOK_CCHAR 0xb3 /* char constant in tokc */
844 #define TOK_LCHAR 0xb4
845 #define TOK_CINT 0xb5 /* number in tokc */
846 #define TOK_CUINT 0xb6 /* unsigned int constant */
847 #define TOK_CLLONG 0xb7 /* long long constant */
848 #define TOK_CULLONG 0xb8 /* unsigned long long constant */
849 #define TOK_STR 0xb9 /* pointer to string in tokc */
850 #define TOK_LSTR 0xba
851 #define TOK_CFLOAT 0xbb /* float constant */
852 #define TOK_CDOUBLE 0xbc /* double constant */
853 #define TOK_CLDOUBLE 0xbd /* long double constant */
854 #define TOK_PPNUM 0xbe /* preprocessor number */
855 #define TOK_LINENUM 0xbf /* line number info */
856 /* <-- */
857
858 #define TOK_TWOSHARPS 0xc0 /* ## preprocessing token */
859 #define TOK_PLCHLDR 0xc1 /* placeholder token as defined in C99 */
860 #define TOK_UMULL 0xc2 /* unsigned 32x32 -> 64 mul */
861 #define TOK_ADDC1 0xc3 /* add with carry generation */
862 #define TOK_ADDC2 0xc4 /* add with carry use */
863 #define TOK_SUBC1 0xc5 /* add with carry generation */
864 #define TOK_SUBC2 0xc6 /* add with carry use */
865 #define TOK_ARROW 0xcb
866 #define TOK_DOTS 0xcc /* three dots */
867 #define TOK_SHR 0xcd /* unsigned shift right */
868 #define TOK_NOSUBST 0xcf /* means following token has already been pp'd */
869
870 #define TOK_SHL 0x01 /* shift left */
871 #define TOK_SAR 0x02 /* signed shift right */
872
873 /* assignement operators : normal operator or 0x80 */
874 #define TOK_A_MOD 0xa5
875 #define TOK_A_AND 0xa6
876 #define TOK_A_MUL 0xaa
877 #define TOK_A_ADD 0xab
878 #define TOK_A_SUB 0xad
879 #define TOK_A_DIV 0xaf
880 #define TOK_A_XOR 0xde
881 #define TOK_A_OR 0xfc
882 #define TOK_A_SHL 0x81
883 #define TOK_A_SAR 0x82
884
885 #ifndef offsetof
886 #define offsetof(type, field) ((size_t) &((type *)0)->field)
887 #endif
888
889 #ifndef countof
890 #define countof(tab) (sizeof(tab) / sizeof((tab)[0]))
891 #endif
892
893 #define TOK_EOF (-1) /* end of file */
894 #define TOK_LINEFEED 10 /* line feed */
895
896 /* all identificators and strings have token above that */
897 #define TOK_IDENT 256
898
899 #define DEF_ASM(x) DEF(TOK_ASM_ ## x, #x)
900 #define TOK_ASM_int TOK_INT
901 #define TOK_ASM_weak TOK_WEAK1
902
903 #if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
904 /* only used for i386 asm opcodes definitions */
905 #define DEF_BWL(x) \
906 DEF(TOK_ASM_ ## x ## b, #x "b") \
907 DEF(TOK_ASM_ ## x ## w, #x "w") \
908 DEF(TOK_ASM_ ## x ## l, #x "l") \
909 DEF(TOK_ASM_ ## x, #x)
910 #define DEF_WL(x) \
911 DEF(TOK_ASM_ ## x ## w, #x "w") \
912 DEF(TOK_ASM_ ## x ## l, #x "l") \
913 DEF(TOK_ASM_ ## x, #x)
914 #ifdef TCC_TARGET_X86_64
915 # define DEF_BWLQ(x) \
916 DEF(TOK_ASM_ ## x ## b, #x "b") \
917 DEF(TOK_ASM_ ## x ## w, #x "w") \
918 DEF(TOK_ASM_ ## x ## l, #x "l") \
919 DEF(TOK_ASM_ ## x ## q, #x "q") \
920 DEF(TOK_ASM_ ## x, #x)
921 # define DEF_WLQ(x) \
922 DEF(TOK_ASM_ ## x ## w, #x "w") \
923 DEF(TOK_ASM_ ## x ## l, #x "l") \
924 DEF(TOK_ASM_ ## x ## q, #x "q") \
925 DEF(TOK_ASM_ ## x, #x)
926 # define DEF_BWLX DEF_BWLQ
927 # define DEF_WLX DEF_WLQ
928 /* number of sizes + 1 */
929 # define NBWLX 5
930 #else
931 # define DEF_BWLX DEF_BWL
932 # define DEF_WLX DEF_WL
933 /* number of sizes + 1 */
934 # define NBWLX 4
935 #endif
936
937 #define DEF_FP1(x) \
938 DEF(TOK_ASM_ ## f ## x ## s, "f" #x "s") \
939 DEF(TOK_ASM_ ## fi ## x ## l, "fi" #x "l") \
940 DEF(TOK_ASM_ ## f ## x ## l, "f" #x "l") \
941 DEF(TOK_ASM_ ## fi ## x ## s, "fi" #x "s")
942
943 #define DEF_FP(x) \
944 DEF(TOK_ASM_ ## f ## x, "f" #x ) \
945 DEF(TOK_ASM_ ## f ## x ## p, "f" #x "p") \
946 DEF_FP1(x)
947
948 #define DEF_ASMTEST(x) \
949 DEF_ASM(x ## o) \
950 DEF_ASM(x ## no) \
951 DEF_ASM(x ## b) \
952 DEF_ASM(x ## c) \
953 DEF_ASM(x ## nae) \
954 DEF_ASM(x ## nb) \
955 DEF_ASM(x ## nc) \
956 DEF_ASM(x ## ae) \
957 DEF_ASM(x ## e) \
958 DEF_ASM(x ## z) \
959 DEF_ASM(x ## ne) \
960 DEF_ASM(x ## nz) \
961 DEF_ASM(x ## be) \
962 DEF_ASM(x ## na) \
963 DEF_ASM(x ## nbe) \
964 DEF_ASM(x ## a) \
965 DEF_ASM(x ## s) \
966 DEF_ASM(x ## ns) \
967 DEF_ASM(x ## p) \
968 DEF_ASM(x ## pe) \
969 DEF_ASM(x ## np) \
970 DEF_ASM(x ## po) \
971 DEF_ASM(x ## l) \
972 DEF_ASM(x ## nge) \
973 DEF_ASM(x ## nl) \
974 DEF_ASM(x ## ge) \
975 DEF_ASM(x ## le) \
976 DEF_ASM(x ## ng) \
977 DEF_ASM(x ## nle) \
978 DEF_ASM(x ## g)
979
980 #endif /* defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64 */
981
982 enum tcc_token {
983 TOK_LAST = TOK_IDENT - 1,
984 #define DEF(id, str) id,
985 #include "tcctok.h"
986 #undef DEF
987 };
988
989 #define TOK_UIDENT TOK_DEFINE
990
991 /* space exlcuding newline */
992 static inline int is_space(int ch)
993 {
994 return ch == ' ' || ch == '\t' || ch == '\v' || ch == '\f' || ch == '\r';
995 }
996
997 static inline int isid(int c)
998 {
999 return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || c == '_';
1000 }
1001
1002 static inline int isnum(int c)
1003 {
1004 return c >= '0' && c <= '9';
1005 }
1006
1007 static inline int isoct(int c)
1008 {
1009 return c >= '0' && c <= '7';
1010 }
1011
1012 static inline int toup(int c)
1013 {
1014 return (c >= 'a' && c <= 'z') ? c - 'a' + 'A' : c;
1015 }
1016
1017 #ifndef PUB_FUNC
1018 # define PUB_FUNC
1019 #endif
1020
1021 #ifdef ONE_SOURCE
1022 #define ST_INLN static inline
1023 #define ST_FUNC static
1024 #define ST_DATA static
1025 #else
1026 #define ST_INLN
1027 #define ST_FUNC
1028 #define ST_DATA extern
1029 #endif
1030
1031 /* ------------ libtcc.c ------------ */
1032
1033 /* use GNU C extensions */
1034 ST_DATA int gnu_ext;
1035 /* use Tiny C extensions */
1036 ST_DATA int tcc_ext;
1037 /* XXX: get rid of this ASAP */
1038 ST_DATA struct TCCState *tcc_state;
1039
1040 #ifdef MEM_DEBUG
1041 ST_DATA int mem_cur_size;
1042 ST_DATA int mem_max_size;
1043 #endif
1044
1045 #define AFF_PRINT_ERROR 0x0001 /* print error if file not found */
1046 #define AFF_REFERENCED_DLL 0x0002 /* load a referenced dll from another dll */
1047 #define AFF_PREPROCESS 0x0004 /* preprocess file */
1048
1049 /* public functions currently used by the tcc main function */
1050 PUB_FUNC char *pstrcpy(char *buf, int buf_size, const char *s);
1051 PUB_FUNC char *pstrcat(char *buf, int buf_size, const char *s);
1052 PUB_FUNC char *pstrncpy(char *out, const char *in, size_t num);
1053 PUB_FUNC char *tcc_basename(const char *name);
1054 PUB_FUNC char *tcc_fileextension (const char *name);
1055 PUB_FUNC void tcc_free(void *ptr);
1056 PUB_FUNC void *tcc_malloc(unsigned long size);
1057 PUB_FUNC void *tcc_mallocz(unsigned long size);
1058 PUB_FUNC void *tcc_realloc(void *ptr, unsigned long size);
1059 PUB_FUNC char *tcc_strdup(const char *str);
1060 #define free(p) use_tcc_free(p)
1061 #define malloc(s) use_tcc_malloc(s)
1062 #define realloc(p, s) use_tcc_realloc(p, s)
1063 #undef strdup
1064 #define strdup(s) use_tcc_strdup(s)
1065 PUB_FUNC void tcc_memstats(void);
1066 PUB_FUNC void tcc_error_noabort(const char *fmt, ...);
1067 PUB_FUNC NORETURN void tcc_error(const char *fmt, ...);
1068 PUB_FUNC void tcc_warning(const char *fmt, ...);
1069
1070 /* other utilities */
1071 ST_FUNC void dynarray_add(void ***ptab, int *nb_ptr, void *data);
1072 ST_FUNC void dynarray_reset(void *pp, int *n);
1073 ST_FUNC void cstr_ccat(CString *cstr, int ch);
1074 ST_FUNC void cstr_cat(CString *cstr, const char *str);
1075 ST_FUNC void cstr_wccat(CString *cstr, int ch);
1076 ST_FUNC void cstr_new(CString *cstr);
1077 ST_FUNC void cstr_free(CString *cstr);
1078 ST_FUNC void cstr_reset(CString *cstr);
1079
1080 ST_FUNC Section *new_section(TCCState *s1, const char *name, int sh_type, int sh_flags);
1081 ST_FUNC void section_realloc(Section *sec, unsigned long new_size);
1082 ST_FUNC void *section_ptr_add(Section *sec, unsigned long size);
1083 ST_FUNC void section_reserve(Section *sec, unsigned long size);
1084 ST_FUNC Section *find_section(TCCState *s1, const char *name);
1085
1086 ST_FUNC void put_extern_sym2(Sym *sym, Section *section, addr_t value, unsigned long size, int can_add_underscore);
1087 ST_FUNC void put_extern_sym(Sym *sym, Section *section, addr_t value, unsigned long size);
1088 ST_FUNC void greloc(Section *s, Sym *sym, unsigned long offset, int type);
1089
1090 ST_INLN void sym_free(Sym *sym);
1091 ST_FUNC Sym *sym_push2(Sym **ps, int v, int t, long c);
1092 ST_FUNC Sym *sym_find2(Sym *s, int v);
1093 ST_FUNC Sym *sym_push(int v, CType *type, int r, int c);
1094 ST_FUNC void sym_pop(Sym **ptop, Sym *b);
1095 ST_INLN Sym *struct_find(int v);
1096 ST_INLN Sym *sym_find(int v);
1097 ST_FUNC Sym *global_identifier_push(int v, int t, int c);
1098
1099 ST_FUNC void tcc_open_bf(TCCState *s1, const char *filename, int initlen);
1100 ST_FUNC int tcc_open(TCCState *s1, const char *filename);
1101 ST_FUNC void tcc_close(void);
1102
1103 ST_FUNC int tcc_add_file_internal(TCCState *s1, const char *filename, int flags);
1104 ST_FUNC int tcc_add_crt(TCCState *s, const char *filename);
1105 ST_FUNC int tcc_add_dll(TCCState *s, const char *filename, int flags);
1106
1107 PUB_FUNC void tcc_print_stats(TCCState *s, int64_t total_time);
1108 PUB_FUNC int tcc_parse_args(TCCState *s, int argc, char **argv);
1109
1110 PUB_FUNC void tcc_set_environment(TCCState *s);
1111
1112 /* ------------ tccpp.c ------------ */
1113
1114 ST_DATA struct BufferedFile *file;
1115 ST_DATA int ch, tok;
1116 ST_DATA CValue tokc;
1117 ST_DATA const int *macro_ptr;
1118 ST_DATA int parse_flags;
1119 ST_DATA int tok_flags;
1120 ST_DATA CString tokcstr; /* current parsed string, if any */
1121
1122 /* display benchmark infos */
1123 ST_DATA int total_lines;
1124 ST_DATA int total_bytes;
1125 ST_DATA int tok_ident;
1126 ST_DATA TokenSym **table_ident;
1127
1128 #define TOK_FLAG_BOL 0x0001 /* beginning of line before */
1129 #define TOK_FLAG_BOF 0x0002 /* beginning of file before */
1130 #define TOK_FLAG_ENDIF 0x0004 /* a endif was found matching starting #ifdef */
1131 #define TOK_FLAG_EOF 0x0008 /* end of file */
1132
1133 #define PARSE_FLAG_PREPROCESS 0x0001 /* activate preprocessing */
1134 #define PARSE_FLAG_TOK_NUM 0x0002 /* return numbers instead of TOK_PPNUM */
1135 #define PARSE_FLAG_LINEFEED 0x0004 /* line feed is returned as a
1136 token. line feed is also
1137 returned at eof */
1138 #define PARSE_FLAG_ASM_COMMENTS 0x0008 /* '#' can be used for line comment */
1139 #define PARSE_FLAG_SPACES 0x0010 /* next() returns space tokens (for -E) */
1140 #define PARSE_FLAG_PACK 0x0020 /* #pragma pack */
1141
1142 ST_FUNC TokenSym *tok_alloc(const char *str, int len);
1143 ST_FUNC char *get_tok_str(int v, CValue *cv);
1144 ST_FUNC void save_parse_state(ParseState *s);
1145 ST_FUNC void restore_parse_state(ParseState *s);
1146 ST_INLN void tok_str_new(TokenString *s);
1147 ST_FUNC void tok_str_free(int *str);
1148 ST_FUNC void tok_str_add(TokenString *s, int t);
1149 ST_FUNC void tok_str_add_tok(TokenString *s);
1150 ST_INLN void define_push(int v, int macro_type, int *str, Sym *first_arg);
1151 ST_FUNC void define_undef(Sym *s);
1152 ST_INLN Sym *define_find(int v);
1153 ST_FUNC void free_defines(Sym *b);
1154 ST_FUNC Sym *label_find(int v);
1155 ST_FUNC Sym *label_push(Sym **ptop, int v, int flags);
1156 ST_FUNC void label_pop(Sym **ptop, Sym *slast);
1157 ST_FUNC void parse_define(void);
1158 ST_FUNC void preprocess(int is_bof);
1159 ST_FUNC void next_nomacro(void);
1160 ST_FUNC void next(void);
1161 ST_INLN void unget_tok(int last_tok);
1162 ST_FUNC void preprocess_init(TCCState *s1);
1163 ST_FUNC void preprocess_new(void);
1164 ST_FUNC int tcc_preprocess(TCCState *s1);
1165 ST_FUNC void skip(int c);
1166 ST_FUNC NORETURN void expect(const char *msg);
1167
1168 /* ------------ tccgen.c ------------ */
1169
1170 ST_DATA Section *text_section, *data_section, *bss_section; /* predefined sections */
1171 ST_DATA Section *cur_text_section; /* current section where function code is generated */
1172 #ifdef CONFIG_TCC_ASM
1173 ST_DATA Section *last_text_section; /* to handle .previous asm directive */
1174 #endif
1175 #ifdef CONFIG_TCC_BCHECK
1176 /* bound check related sections */
1177 ST_DATA Section *bounds_section; /* contains global data bound description */
1178 ST_DATA Section *lbounds_section; /* contains local data bound description */
1179 #endif
1180 /* symbol sections */
1181 ST_DATA Section *symtab_section, *strtab_section;
1182 /* debug sections */
1183 ST_DATA Section *stab_section, *stabstr_section;
1184
1185 #define SYM_POOL_NB (8192 / sizeof(Sym))
1186 ST_DATA Sym *sym_free_first;
1187 ST_DATA void **sym_pools;
1188 ST_DATA int nb_sym_pools;
1189
1190 ST_DATA Sym *global_stack;
1191 ST_DATA Sym *local_stack;
1192 ST_DATA Sym *local_label_stack;
1193 ST_DATA Sym *global_label_stack;
1194 ST_DATA Sym *define_stack;
1195 ST_DATA CType char_pointer_type, func_old_type, int_type, size_type;
1196 ST_DATA SValue __vstack[1+/*to make bcheck happy*/ VSTACK_SIZE], *vtop;
1197 #define vstack (__vstack + 1)
1198 ST_DATA int rsym, anon_sym, ind, loc, ex_rc;
1199
1200 ST_DATA int const_wanted; /* true if constant wanted */
1201 ST_DATA int nocode_wanted; /* true if no code generation wanted for an expression */
1202 ST_DATA int global_expr; /* true if compound literals must be allocated globally (used during initializers parsing */
1203 ST_DATA CType func_vt; /* current function return type (used by return instruction) */
1204 ST_DATA int func_var; /* true if current function is variadic */
1205 ST_DATA int func_vc;
1206 ST_DATA int last_line_num, last_ind, func_ind; /* debug last line number and pc */
1207 ST_DATA char *funcname;
1208 ST_DATA int pop_stack;
1209
1210 ST_INLN int is_float(int t);
1211 ST_FUNC int ieee_finite(double d);
1212 ST_FUNC void test_lvalue(void);
1213 ST_FUNC void swap(int *p, int *q);
1214 ST_FUNC void vpushi(int v);
1215 ST_FUNC Sym *external_global_sym(int v, CType *type, int r);
1216 ST_FUNC void vset(CType *type, int r, int v);
1217 ST_FUNC void vswap(void);
1218 ST_FUNC void vpush_global_sym(CType *type, int v);
1219 ST_FUNC void vrote(SValue *e, int n);
1220 ST_FUNC void vrott(int n);
1221 ST_FUNC void vrotb(int n);
1222 #ifdef TCC_TARGET_ARM
1223 ST_FUNC int get_reg_ex(int rc, int rc2);
1224 ST_FUNC void lexpand_nr(void);
1225 #endif
1226 ST_FUNC void vpushv(SValue *v);
1227 ST_FUNC void save_reg(int r);
1228 ST_FUNC int get_reg(int rc);
1229 ST_FUNC void save_regs(int n);
1230 ST_FUNC int gv(int rc);
1231 ST_FUNC void gv2(int rc1, int rc2);
1232 ST_FUNC void vpop(void);
1233 ST_FUNC void gen_op(int op);
1234 ST_FUNC int type_size(CType *type, int *a);
1235 ST_FUNC void mk_pointer(CType *type);
1236 ST_FUNC void vstore(void);
1237 ST_FUNC void inc(int post, int c);
1238 ST_FUNC void parse_asm_str(CString *astr);
1239 ST_FUNC int lvalue_type(int t);
1240 ST_FUNC void indir(void);
1241 ST_FUNC void unary(void);
1242 ST_FUNC void expr_prod(void);
1243 ST_FUNC void expr_sum(void);
1244 ST_FUNC void gexpr(void);
1245 ST_FUNC int expr_const(void);
1246 ST_FUNC void gen_inline_functions(void);
1247 ST_FUNC void decl(int l);
1248 ST_FUNC void vdup(void);
1249 ST_FUNC void gaddrof(void);
1250 #if defined CONFIG_TCC_BCHECK || defined TCC_TARGET_C67
1251 ST_FUNC Sym *get_sym_ref(CType *type, Section *sec, unsigned long offset, unsigned long size);
1252 #endif
1253 #if defined TCC_TARGET_X86_64 && !defined TCC_TARGET_PE
1254 ST_FUNC int classify_x86_64_va_arg(CType *ty);
1255 #endif
1256
1257 /* ------------ tccelf.c ------------ */
1258
1259 #define TCC_OUTPUT_FORMAT_ELF 0 /* default output format: ELF */
1260 #define TCC_OUTPUT_FORMAT_BINARY 1 /* binary image output */
1261 #define TCC_OUTPUT_FORMAT_COFF 2 /* COFF */
1262
1263 #define ARMAG "!<arch>\012" /* For COFF and a.out archives */
1264
1265 typedef struct {
1266 unsigned int n_strx; /* index into string table of name */
1267 unsigned char n_type; /* type of symbol */
1268 unsigned char n_other; /* misc info (usually empty) */
1269 unsigned short n_desc; /* description field */
1270 unsigned int n_value; /* value of symbol */
1271 } Stab_Sym;
1272
1273 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);
1274
1275 ST_FUNC int put_elf_str(Section *s, const char *sym);
1276 ST_FUNC int put_elf_sym(Section *s, addr_t value, unsigned long size, int info, int other, int shndx, const char *name);
1277 ST_FUNC int add_elf_sym(Section *s, addr_t value, unsigned long size, int info, int other, int sh_num, const char *name);
1278 ST_FUNC int find_elf_sym(Section *s, const char *name);
1279 ST_FUNC void put_elf_reloc(Section *symtab, Section *s, unsigned long offset, int type, int symbol);
1280
1281 ST_FUNC void put_stabs(const char *str, int type, int other, int desc, unsigned long value);
1282 ST_FUNC void put_stabs_r(const char *str, int type, int other, int desc, unsigned long value, Section *sec, int sym_index);
1283 ST_FUNC void put_stabn(int type, int other, int desc, int value);
1284 ST_FUNC void put_stabd(int type, int other, int desc);
1285
1286 ST_FUNC void relocate_common_syms(void);
1287 ST_FUNC void relocate_syms(TCCState *s1, int do_resolve);
1288 ST_FUNC void relocate_section(TCCState *s1, Section *s);
1289 ST_FUNC void relocate_plt(TCCState *s1);
1290
1291 ST_FUNC void tcc_add_linker_symbols(TCCState *s1);
1292 ST_FUNC int tcc_load_object_file(TCCState *s1, int fd, unsigned long file_offset);
1293 ST_FUNC int tcc_load_archive(TCCState *s1, int fd);
1294 ST_FUNC void tcc_add_bcheck(TCCState *s1);
1295
1296 ST_FUNC void build_got_entries(TCCState *s1);
1297 ST_FUNC void tcc_add_runtime(TCCState *s1);
1298
1299 ST_FUNC addr_t get_elf_sym_addr(TCCState *s, const char *name, int err);
1300 #if defined TCC_IS_NATIVE || defined TCC_TARGET_PE
1301 ST_FUNC void *tcc_get_symbol_err(TCCState *s, const char *name);
1302 #endif
1303
1304 #ifndef TCC_TARGET_PE
1305 ST_FUNC int tcc_load_dll(TCCState *s1, int fd, const char *filename, int level);
1306 ST_FUNC int tcc_load_ldscript(TCCState *s1);
1307 ST_FUNC uint8_t *parse_comment(uint8_t *p);
1308 ST_FUNC void minp(void);
1309 ST_INLN void inp(void);
1310 ST_FUNC int handle_eob(void);
1311 #endif
1312
1313 /* ------------ xxx-gen.c ------------ */
1314
1315 ST_DATA const int reg_classes[NB_REGS];
1316
1317 ST_FUNC void gsym_addr(int t, int a);
1318 ST_FUNC void gsym(int t);
1319 ST_FUNC void load(int r, SValue *sv);
1320 ST_FUNC void store(int r, SValue *v);
1321 ST_FUNC int gfunc_sret(CType *vt, int variadic, CType *ret, int *align);
1322 ST_FUNC void gfunc_call(int nb_args);
1323 ST_FUNC void gfunc_prolog(CType *func_type);
1324 ST_FUNC void gfunc_epilog(void);
1325 ST_FUNC int gjmp(int t);
1326 ST_FUNC void gjmp_addr(int a);
1327 ST_FUNC int gtst(int inv, int t);
1328 ST_FUNC void gen_opi(int op);
1329 ST_FUNC void gen_opf(int op);
1330 ST_FUNC void gen_cvt_ftoi(int t);
1331 ST_FUNC void gen_cvt_ftof(int t);
1332 ST_FUNC void ggoto(void);
1333 #ifndef TCC_TARGET_C67
1334 ST_FUNC void o(unsigned int c);
1335 #endif
1336 #ifndef TCC_TARGET_ARM
1337 ST_FUNC void gen_cvt_itof(int t);
1338 #endif
1339 ST_FUNC void gen_vla_sp_save(int addr);
1340 ST_FUNC void gen_vla_sp_restore(int addr);
1341 ST_FUNC void gen_vla_alloc(CType *type, int align);
1342
1343 /* ------------ i386-gen.c ------------ */
1344 #if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
1345 ST_FUNC void g(int c);
1346 ST_FUNC int oad(int c, int s);
1347 ST_FUNC void gen_le16(int c);
1348 ST_FUNC void gen_le32(int c);
1349 ST_FUNC void gen_addr32(int r, Sym *sym, int c);
1350 ST_FUNC void gen_addrpc32(int r, Sym *sym, int c);
1351 ST_FUNC void struct_copy(SValue *d, SValue *s, SValue *c);
1352 ST_FUNC void gen_putz(SValue *d, int size);
1353 #endif
1354
1355 #ifdef CONFIG_TCC_BCHECK
1356 ST_FUNC void gen_bounded_ptr_add(void);
1357 ST_FUNC void gen_bounded_ptr_deref(void);
1358 #endif
1359
1360 /* ------------ x86_64-gen.c ------------ */
1361 #ifdef TCC_TARGET_X86_64
1362 ST_FUNC void gen_addr64(int r, Sym *sym, int64_t c);
1363 ST_FUNC void gen_opl(int op);
1364 #endif
1365
1366 /* ------------ arm-gen.c ------------ */
1367 #ifdef TCC_TARGET_ARM
1368 #ifdef TCC_ARM_EABI
1369 ST_FUNC char *default_elfinterp(struct TCCState *s);
1370 #endif
1371 ST_FUNC void arm_init(struct TCCState *s);
1372 ST_FUNC uint32_t encbranch(int pos, int addr, int fail);
1373 ST_FUNC void gen_cvt_itof1(int t);
1374 #endif
1375
1376 /* ------------ c67-gen.c ------------ */
1377 #ifdef TCC_TARGET_C67
1378 #endif
1379
1380 /* ------------ tcccoff.c ------------ */
1381
1382 #ifdef TCC_TARGET_COFF
1383 ST_FUNC int tcc_output_coff(TCCState *s1, FILE *f);
1384 ST_FUNC int tcc_load_coff(TCCState * s1, int fd);
1385 #endif
1386
1387 /* ------------ tccasm.c ------------ */
1388 ST_FUNC void asm_instr(void);
1389 ST_FUNC void asm_global_instr(void);
1390 #ifdef CONFIG_TCC_ASM
1391 ST_FUNC int find_constraint(ASMOperand *operands, int nb_operands, const char *name, const char **pp);
1392 ST_FUNC void asm_expr(TCCState *s1, ExprValue *pe);
1393 ST_FUNC int asm_int_expr(TCCState *s1);
1394 ST_FUNC int tcc_assemble(TCCState *s1, int do_preprocess);
1395 /* ------------ i386-asm.c ------------ */
1396 ST_FUNC void gen_expr32(ExprValue *pe);
1397 ST_FUNC void asm_opcode(TCCState *s1, int opcode);
1398 ST_FUNC void asm_compute_constraints(ASMOperand *operands, int nb_operands, int nb_outputs, const uint8_t *clobber_regs, int *pout_reg);
1399 ST_FUNC void subst_asm_operand(CString *add_str, SValue *sv, int modifier);
1400 ST_FUNC void asm_gen_code(ASMOperand *operands, int nb_operands, int nb_outputs, int is_output, uint8_t *clobber_regs, int out_reg);
1401 ST_FUNC void asm_clobber(uint8_t *clobber_regs, const char *str);
1402 #endif
1403
1404 /* ------------ tccpe.c -------------- */
1405 #ifdef TCC_TARGET_PE
1406 ST_FUNC int pe_load_file(struct TCCState *s1, const char *filename, int fd);
1407 ST_FUNC int pe_output_file(TCCState * s1, const char *filename);
1408 ST_FUNC int pe_putimport(TCCState *s1, int dllindex, const char *name, addr_t value);
1409 ST_FUNC SValue *pe_getimport(SValue *sv, SValue *v2);
1410 #ifdef TCC_TARGET_X86_64
1411 ST_FUNC void pe_add_unwind_data(unsigned start, unsigned end, unsigned stack);
1412 #endif
1413 /* symbol properties stored in Elf32_Sym->st_other */
1414 # define ST_PE_EXPORT 0x10
1415 # define ST_PE_IMPORT 0x20
1416 # define ST_PE_STDCALL 0x40
1417 #endif
1418
1419 /* ------------ tccrun.c ----------------- */
1420 #ifdef TCC_IS_NATIVE
1421 #ifdef CONFIG_TCC_STATIC
1422 #define RTLD_LAZY 0x001
1423 #define RTLD_NOW 0x002
1424 #define RTLD_GLOBAL 0x100
1425 #define RTLD_DEFAULT NULL
1426 /* dummy function for profiling */
1427 ST_FUNC void *dlopen(const char *filename, int flag);
1428 ST_FUNC void dlclose(void *p);
1429 ST_FUNC const char *dlerror(void);
1430 ST_FUNC void *resolve_sym(TCCState *s1, const char *symbol);
1431 #elif !defined _WIN32
1432 ST_FUNC void *resolve_sym(TCCState *s1, const char *symbol);
1433 #endif
1434
1435 #ifdef CONFIG_TCC_BACKTRACE
1436 ST_DATA int rt_num_callers;
1437 ST_DATA const char **rt_bound_error_msg;
1438 ST_DATA void *rt_prog_main;
1439 ST_FUNC void tcc_set_num_callers(int n);
1440 #endif
1441 #endif
1442
1443 /********************************************************/
1444 #undef ST_DATA
1445 #ifdef ONE_SOURCE
1446 #define ST_DATA static
1447 #else
1448 #define ST_DATA
1449 #endif
1450 /********************************************************/
1451 #endif /* _TCC_H */
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