source: EcnlProtoTool/trunk/tcc-0.9.26/tcc.h@ 286

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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#define SA_RESETHAND 0x80000000
40#define FPE_INTDIV 1
41#define FPE_FLTDIV 3
42typedef struct { int si_signo, si_errno, si_code; } siginfo_t;
43#include <fcntl.h>
44#include <setjmp.h>
45#include <time.h>
46
47#ifndef _WIN32
48# include <unistd.h>
49# include <sys/time.h>
50/*# include <sys/ucontext.h>*/
51typedef struct __ucontext ucontext_t;
52/*# include <sys/mman.h>*/
53#define PROT_READ 1
54#define PROT_WRITE 2
55#define PROT_EXEC 4
56# ifndef CONFIG_TCC_STATIC
57# include <dlfcn.h>
58# endif
59#else
60# include <unistd.h>
61# include <sys/time.h>
62# include <sys/ucontext.h>
63# include <sys/mman.h>
64# include <stdint.h>
65# define inline __inline
66# define inp next_inp
67# ifdef LIBTCC_AS_DLL
68# define LIBTCCAPI __declspec(dllexport)
69# define PUB_FUNC LIBTCCAPI
70# endif
71#endif
72
73#endif /* !CONFIG_TCCBOOT */
74
75#ifndef O_BINARY
76# define O_BINARY 0
77#endif
78
79#include "elf.h"
80#ifdef TCC_TARGET_X86_64
81# define ELFCLASSW ELFCLASS64
82# define ElfW(type) Elf##64##_##type
83# define ELFW(type) ELF##64##_##type
84# define ElfW_Rel ElfW(Rela)
85# define SHT_RELX SHT_RELA
86# define REL_SECTION_FMT ".rela%s"
87/* XXX: DLL with PLT would only work with x86-64 for now */
88# define TCC_OUTPUT_DLL_WITH_PLT
89#else
90# define ELFCLASSW ELFCLASS32
91# define ElfW(type) Elf##32##_##type
92# define ELFW(type) ELF##32##_##type
93# define ElfW_Rel ElfW(Rel)
94# define SHT_RELX SHT_REL
95# define REL_SECTION_FMT ".rel%s"
96#endif
97
98/* target address type */
99#define addr_t ElfW(Addr)
100
101#include "stab.h"
102#include "libtcc.h"
103
104/* parser debug */
105//#define PARSE_DEBUG
106/* preprocessor debug */
107//#define PP_DEBUG
108/* include file debug */
109//#define INC_DEBUG
110/* memory leak debug */
111//#define MEM_DEBUG
112/* assembler debug */
113//#define ASM_DEBUG
114
115/* target selection */
116//#define TCC_TARGET_I386 /* i386 code generator */
117//#define TCC_TARGET_ARM /* ARMv4 code generator */
118//#define TCC_TARGET_C67 /* TMS320C67xx code generator */
119//#define TCC_TARGET_X86_64 /* x86-64 code generator */
120//#define TCC_TARGET_IL /* IL code generator */
121
122/* default target is I386 */
123#if !defined(TCC_TARGET_I386) && !defined(TCC_TARGET_ARM) && \
124 !defined(TCC_TARGET_C67) && !defined(TCC_TARGET_X86_64) && \
125 !defined(TCC_TARGET_IL)
126#define TCC_TARGET_I386
127#endif
128
129#if !defined(TCC_UCLIBC) && !defined(TCC_TARGET_ARM) && \
130 !defined(TCC_TARGET_C67) && !defined(TCC_TARGET_X86_64)
131#define CONFIG_TCC_BCHECK /* enable bound checking code */
132#endif
133
134/* define it to include assembler support */
135#if !defined(TCC_TARGET_ARM) && !defined(TCC_TARGET_C67)
136#define CONFIG_TCC_ASM
137#endif
138
139/* object format selection */
140#if defined(TCC_TARGET_C67)
141#define TCC_TARGET_COFF
142#endif
143
144/* only native compiler supports -run */
145#if defined _WIN32 == defined TCC_TARGET_PE
146# if (defined __i386__ || defined _X86_) && defined TCC_TARGET_I386
147# define TCC_IS_NATIVE
148# elif (defined __x86_64__ || defined _AMD64_) && defined TCC_TARGET_X86_64
149# define TCC_IS_NATIVE
150# elif defined __arm__ && defined TCC_TARGET_ARM
151# define TCC_IS_NATIVE
152# endif
153#endif
154
155#if defined TCC_IS_NATIVE && !defined CONFIG_TCCBOOT
156# define CONFIG_TCC_BACKTRACE
157#endif
158
159/* ------------ path configuration ------------ */
160
161#ifndef CONFIG_SYSROOT
162# define CONFIG_SYSROOT ""
163#endif
164#ifndef CONFIG_TCCDIR
165# define CONFIG_TCCDIR "."
166#endif
167#ifndef CONFIG_LDDIR
168# define CONFIG_LDDIR "lib"
169#endif
170
171/* path to find crt1.o, crti.o and crtn.o */
172#ifndef CONFIG_TCC_CRTPREFIX
173# define CONFIG_TCC_CRTPREFIX CONFIG_SYSROOT "/usr/" CONFIG_LDDIR
174#endif
175
176/* Below: {B} is substituted by CONFIG_TCCDIR (rsp. -B option) */
177
178/* system include paths */
179#ifndef CONFIG_TCC_SYSINCLUDEPATHS
180# ifdef TCC_TARGET_PE
181# define CONFIG_TCC_SYSINCLUDEPATHS "{B}/include;{B}/include/winapi"
182# elif defined CONFIG_MULTIARCHDIR
183# define CONFIG_TCC_SYSINCLUDEPATHS \
184 CONFIG_SYSROOT "/usr/local/include" \
185 ":" CONFIG_SYSROOT "/usr/local/include/" CONFIG_MULTIARCHDIR \
186 ":" CONFIG_SYSROOT "/usr/include" \
187 ":" CONFIG_SYSROOT "/usr/include/" CONFIG_MULTIARCHDIR \
188 ":" "{B}/include"
189# else
190# define CONFIG_TCC_SYSINCLUDEPATHS \
191 CONFIG_SYSROOT "/usr/local/include" \
192 ":" CONFIG_SYSROOT "/usr/include" \
193 ":" "{B}/include"
194# endif
195#endif
196
197/* library search paths */
198#ifndef CONFIG_TCC_LIBPATHS
199# ifdef TCC_TARGET_PE
200# define CONFIG_TCC_LIBPATHS "{B}/lib"
201# else
202# define CONFIG_TCC_LIBPATHS \
203 CONFIG_SYSROOT "/usr/" CONFIG_LDDIR \
204 ":" CONFIG_SYSROOT "/" CONFIG_LDDIR \
205 ":" CONFIG_SYSROOT "/usr/local/" CONFIG_LDDIR
206# endif
207#endif
208
209/* name of ELF interpreter */
210#ifndef CONFIG_TCC_ELFINTERP
211# if defined __FreeBSD__
212# define CONFIG_TCC_ELFINTERP "/libexec/ld-elf.so.1"
213# elif defined __FreeBSD_kernel__
214# define CONFIG_TCC_ELFINTERP "/lib/ld.so.1"
215# elif defined TCC_ARM_HARDFLOAT
216# define CONFIG_TCC_ELFINTERP "/lib/ld-linux-armhf.so.3"
217# elif defined TCC_ARM_EABI
218# define CONFIG_TCC_ELFINTERP "/lib/ld-linux.so.3"
219# elif defined(TCC_TARGET_X86_64)
220# define CONFIG_TCC_ELFINTERP "/lib64/ld-linux-x86-64.so.2"
221# elif defined(TCC_UCLIBC)
222# define CONFIG_TCC_ELFINTERP "/lib/ld-uClibc.so.0"
223# elif defined(TCC_TARGET_PE)
224# define CONFIG_TCC_ELFINTERP "-"
225# else
226# define CONFIG_TCC_ELFINTERP "/lib/ld-linux.so.2"
227# endif
228#endif
229
230/* library to use with CONFIG_USE_LIBGCC instead of libtcc1.a */
231#define TCC_LIBGCC CONFIG_SYSROOT "/" CONFIG_LDDIR "/libgcc_s.so.1"
232
233/* -------------------------------------------- */
234/* include the target specific definitions */
235
236#define TARGET_DEFS_ONLY
237#ifdef TCC_TARGET_I386
238# include "i386-gen.c"
239#endif
240#ifdef TCC_TARGET_X86_64
241# include "x86_64-gen.c"
242#endif
243#ifdef TCC_TARGET_ARM
244# include "arm-gen.c"
245#endif
246#ifdef TCC_TARGET_C67
247# include "coff.h"
248# include "c67-gen.c"
249#endif
250#ifdef TCC_TARGET_IL
251#include "il-gen.c"
252#endif
253#undef TARGET_DEFS_ONLY
254
255/* -------------------------------------------- */
256
257#define INCLUDE_STACK_SIZE 32
258#define IFDEF_STACK_SIZE 64
259#define VSTACK_SIZE 256
260#define STRING_MAX_SIZE 1024
261#define PACK_STACK_SIZE 8
262
263#define TOK_HASH_SIZE 8192 /* must be a power of two */
264#define TOK_ALLOC_INCR 512 /* must be a power of two */
265#define TOK_MAX_SIZE 4 /* token max size in int unit when stored in string */
266
267/* token symbol management */
268typedef struct TokenSym {
269 struct TokenSym *hash_next;
270 struct Sym *sym_define; /* direct pointer to define */
271 struct Sym *sym_label; /* direct pointer to label */
272 struct Sym *sym_struct; /* direct pointer to structure */
273 struct Sym *sym_identifier; /* direct pointer to identifier */
274 int tok; /* token number */
275 int len;
276 char str[1];
277} TokenSym;
278
279#ifdef TCC_TARGET_PE
280typedef unsigned short nwchar_t;
281#else
282typedef int nwchar_t;
283#endif
284
285typedef struct CString {
286 int size; /* size in bytes */
287 void *data; /* either 'char *' or 'nwchar_t *' */
288 int size_allocated;
289 void *data_allocated; /* if non NULL, data has been malloced */
290} CString;
291
292/* type definition */
293typedef struct CType {
294 int t;
295 struct Sym *ref;
296} CType;
297
298/* constant value */
299typedef union CValue {
300 long double ld;
301 double d;
302 float f;
303 int i;
304 unsigned int ui;
305 unsigned int ul; /* address (should be unsigned long on 64 bit cpu) */
306 long long ll;
307 unsigned long long ull;
308 struct CString *cstr;
309 void *ptr;
310 int tab[LDOUBLE_SIZE/4];
311} CValue;
312
313/* value on stack */
314typedef struct SValue {
315 CType type; /* type */
316 unsigned short r; /* register + flags */
317 unsigned short r2; /* second register, used for 'long long'
318 type. If not used, set to VT_CONST */
319 CValue c; /* constant, if VT_CONST */
320 struct Sym *sym; /* symbol, if (VT_SYM | VT_CONST) */
321} SValue;
322
323/* symbol management */
324typedef struct Sym {
325 int v; /* symbol token */
326 char *asm_label; /* associated asm label */
327 long r; /* associated register */
328 union {
329 long c; /* associated number */
330 int *d; /* define token stream */
331 };
332 CType type; /* associated type */
333 union {
334 struct Sym *next; /* next related symbol */
335 long jnext; /* next jump label */
336 };
337 struct Sym *prev; /* prev symbol in stack */
338 struct Sym *prev_tok; /* previous symbol for this token */
339} Sym;
340
341/* section definition */
342/* XXX: use directly ELF structure for parameters ? */
343/* special flag to indicate that the section should not be linked to
344 the other ones */
345#define SHF_PRIVATE 0x80000000
346
347/* special flag, too */
348#define SECTION_ABS ((void *)1)
349
350typedef struct Section {
351 unsigned long data_offset; /* current data offset */
352 unsigned char *data; /* section data */
353 unsigned long data_allocated; /* used for realloc() handling */
354 int sh_name; /* elf section name (only used during output) */
355 int sh_num; /* elf section number */
356 int sh_type; /* elf section type */
357 int sh_flags; /* elf section flags */
358 int sh_info; /* elf section info */
359 int sh_addralign; /* elf section alignment */
360 int sh_entsize; /* elf entry size */
361 unsigned long sh_size; /* section size (only used during output) */
362 addr_t sh_addr; /* address at which the section is relocated */
363 unsigned long sh_offset; /* file offset */
364 int nb_hashed_syms; /* used to resize the hash table */
365 struct Section *link; /* link to another section */
366 struct Section *reloc; /* corresponding section for relocation, if any */
367 struct Section *hash; /* hash table for symbols */
368 struct Section *next;
369 char name[1]; /* section name */
370} Section;
371
372typedef struct DLLReference {
373 int level;
374 void *handle;
375 char name[1];
376} DLLReference;
377
378/* GNUC attribute definition */
379typedef struct AttributeDef {
380 unsigned
381 func_call : 3, /* calling convention (0..5), see below */
382 aligned : 5, /* alignement (0..16) */
383 packed : 1,
384 func_export : 1,
385 func_import : 1,
386 func_args : 5,
387 mode : 4,
388 weak : 1,
389 fill : 11;
390 struct Section *section;
391 int alias_target; /* token */
392} AttributeDef;
393
394/* gr: wrappers for casting sym->r for other purposes */
395#define FUNC_CALL(r) (((AttributeDef*)&(r))->func_call)
396#define FUNC_EXPORT(r) (((AttributeDef*)&(r))->func_export)
397#define FUNC_IMPORT(r) (((AttributeDef*)&(r))->func_import)
398#define FUNC_ARGS(r) (((AttributeDef*)&(r))->func_args)
399#define FUNC_ALIGN(r) (((AttributeDef*)&(r))->aligned)
400#define FUNC_PACKED(r) (((AttributeDef*)&(r))->packed)
401#define ATTR_MODE(r) (((AttributeDef*)&(r))->mode)
402#define INT_ATTR(ad) (*(int*)(ad))
403
404/* -------------------------------------------------- */
405
406#define SYM_STRUCT 0x40000000 /* struct/union/enum symbol space */
407#define SYM_FIELD 0x20000000 /* struct/union field symbol space */
408#define SYM_FIRST_ANOM 0x10000000 /* first anonymous sym */
409
410/* stored in 'Sym.c' field */
411#define FUNC_NEW 1 /* ansi function prototype */
412#define FUNC_OLD 2 /* old function prototype */
413#define FUNC_ELLIPSIS 3 /* ansi function prototype with ... */
414
415/* stored in 'Sym.r' field */
416#define FUNC_CDECL 0 /* standard c call */
417#define FUNC_STDCALL 1 /* pascal c call */
418#define FUNC_FASTCALL1 2 /* first param in %eax */
419#define FUNC_FASTCALL2 3 /* first parameters in %eax, %edx */
420#define FUNC_FASTCALL3 4 /* first parameter in %eax, %edx, %ecx */
421#define FUNC_FASTCALLW 5 /* first parameter in %ecx, %edx */
422
423/* field 'Sym.t' for macros */
424#define MACRO_OBJ 0 /* object like macro */
425#define MACRO_FUNC 1 /* function like macro */
426
427/* field 'Sym.r' for C labels */
428#define LABEL_DEFINED 0 /* label is defined */
429#define LABEL_FORWARD 1 /* label is forward defined */
430#define LABEL_DECLARED 2 /* label is declared but never used */
431
432/* type_decl() types */
433#define TYPE_ABSTRACT 1 /* type without variable */
434#define TYPE_DIRECT 2 /* type with variable */
435
436#define IO_BUF_SIZE 8192
437
438typedef struct BufferedFile {
439 uint8_t *buf_ptr;
440 uint8_t *buf_end;
441 int fd;
442 struct BufferedFile *prev;
443 int line_num; /* current line number - here to simplify code */
444 int ifndef_macro; /* #ifndef macro / #endif search */
445 int ifndef_macro_saved; /* saved ifndef_macro */
446 int *ifdef_stack_ptr; /* ifdef_stack value at the start of the file */
447 char filename[1024]; /* filename */
448 unsigned char buffer[IO_BUF_SIZE + 1]; /* extra size for CH_EOB char */
449} BufferedFile;
450
451#define CH_EOB '\\' /* end of buffer or '\0' char in file */
452#define CH_EOF (-1) /* end of file */
453
454/* parsing state (used to save parser state to reparse part of the
455 source several times) */
456typedef struct ParseState {
457 const int *macro_ptr;
458 int line_num;
459 int tok;
460 CValue tokc;
461} ParseState;
462
463/* used to record tokens */
464typedef struct TokenString {
465 int *str;
466 int len;
467 int allocated_len;
468 int last_line_num;
469} TokenString;
470
471/* inline functions */
472typedef struct InlineFunc {
473 int *token_str;
474 Sym *sym;
475 char filename[1];
476} InlineFunc;
477
478/* include file cache, used to find files faster and also to eliminate
479 inclusion if the include file is protected by #ifndef ... #endif */
480typedef struct CachedInclude {
481 int ifndef_macro;
482 int hash_next; /* -1 if none */
483 char filename[1]; /* path specified in #include */
484} CachedInclude;
485
486#define CACHED_INCLUDES_HASH_SIZE 512
487
488#ifdef CONFIG_TCC_ASM
489typedef struct ExprValue {
490 uint32_t v;
491 Sym *sym;
492} ExprValue;
493
494#define MAX_ASM_OPERANDS 30
495typedef struct ASMOperand {
496 int id; /* GCC 3 optionnal identifier (0 if number only supported */
497 char *constraint;
498 char asm_str[16]; /* computed asm string for operand */
499 SValue *vt; /* C value of the expression */
500 int ref_index; /* if >= 0, gives reference to a output constraint */
501 int input_index; /* if >= 0, gives reference to an input constraint */
502 int priority; /* priority, used to assign registers */
503 int reg; /* if >= 0, register number used for this operand */
504 int is_llong; /* true if double register value */
505 int is_memory; /* true if memory operand */
506 int is_rw; /* for '+' modifier */
507} ASMOperand;
508#endif
509
510struct sym_attr {
511 unsigned long got_offset;
512#ifdef TCC_TARGET_ARM
513 unsigned char plt_thumb_stub:1;
514#endif
515};
516
517struct TCCState {
518
519 int verbose; /* if true, display some information during compilation */
520 int nostdinc; /* if true, no standard headers are added */
521 int nostdlib; /* if true, no standard libraries are added */
522 int nocommon; /* if true, do not use common symbols for .bss data */
523 int static_link; /* if true, static linking is performed */
524 int rdynamic; /* if true, all symbols are exported */
525 int symbolic; /* if true, resolve symbols in the current module first */
526 int alacarte_link; /* if true, only link in referenced objects from archive */
527
528 char *tcc_lib_path; /* CONFIG_TCCDIR or -B option */
529 char *soname; /* as specified on the command line (-soname) */
530 char *rpath; /* as specified on the command line (-Wl,-rpath=) */
531
532 /* output type, see TCC_OUTPUT_XXX */
533 int output_type;
534 /* output format, see TCC_OUTPUT_FORMAT_xxx */
535 int output_format;
536
537 /* C language options */
538 int char_is_unsigned;
539 int leading_underscore;
540
541 /* warning switches */
542 int warn_write_strings;
543 int warn_unsupported;
544 int warn_error;
545 int warn_none;
546 int warn_implicit_function_declaration;
547
548 /* compile with debug symbol (and use them if error during execution) */
549 int do_debug;
550#ifdef CONFIG_TCC_BCHECK
551 /* compile with built-in memory and bounds checker */
552 int do_bounds_check;
553#endif
554
555 addr_t text_addr; /* address of text section */
556 int has_text_addr;
557
558 unsigned long section_align; /* section alignment */
559
560 char *init_symbol; /* symbols to call at load-time (not used currently) */
561 char *fini_symbol; /* symbols to call at unload-time (not used currently) */
562
563#ifdef TCC_TARGET_I386
564 int seg_size; /* 32. Can be 16 with i386 assembler (.code16) */
565#endif
566
567 /* array of all loaded dlls (including those referenced by loaded dlls) */
568 DLLReference **loaded_dlls;
569 int nb_loaded_dlls;
570
571 /* include paths */
572 char **include_paths;
573 int nb_include_paths;
574
575 char **sysinclude_paths;
576 int nb_sysinclude_paths;
577
578 /* library paths */
579 char **library_paths;
580 int nb_library_paths;
581
582 /* crt?.o object path */
583 char **crt_paths;
584 int nb_crt_paths;
585
586 /* error handling */
587 void *error_opaque;
588 void (*error_func)(void *opaque, const char *msg);
589 int error_set_jmp_enabled;
590 jmp_buf error_jmp_buf;
591 int nb_errors;
592
593 /* output file for preprocessing (-E) */
594 FILE *ppfp;
595
596 /* for -MD/-MF: collected dependencies for this compilation */
597 char **target_deps;
598 int nb_target_deps;
599
600 /* compilation */
601 BufferedFile *include_stack[INCLUDE_STACK_SIZE];
602 BufferedFile **include_stack_ptr;
603
604 int ifdef_stack[IFDEF_STACK_SIZE];
605 int *ifdef_stack_ptr;
606
607 /* included files enclosed with #ifndef MACRO */
608 int cached_includes_hash[CACHED_INCLUDES_HASH_SIZE];
609 CachedInclude **cached_includes;
610 int nb_cached_includes;
611
612 /* #pragma pack stack */
613 int pack_stack[PACK_STACK_SIZE];
614 int *pack_stack_ptr;
615
616 /* inline functions are stored as token lists and compiled last
617 only if referenced */
618 struct InlineFunc **inline_fns;
619 int nb_inline_fns;
620
621 /* sections */
622 Section **sections;
623 int nb_sections; /* number of sections, including first dummy section */
624
625 Section **priv_sections;
626 int nb_priv_sections; /* number of private sections */
627
628 /* got & plt handling */
629 Section *got;
630 Section *plt;
631 struct sym_attr *sym_attrs;
632 int nb_sym_attrs;
633 /* give the correspondance from symtab indexes to dynsym indexes */
634 int *symtab_to_dynsym;
635
636 /* temporary dynamic symbol sections (for dll loading) */
637 Section *dynsymtab_section;
638 /* exported dynamic symbol section */
639 Section *dynsym;
640 /* copy of the gobal symtab_section variable */
641 Section *symtab;
642 /* tiny assembler state */
643 Sym *asm_labels;
644
645#ifdef TCC_TARGET_PE
646 /* PE info */
647 int pe_subsystem;
648 unsigned pe_file_align;
649 unsigned pe_stack_size;
650# ifdef TCC_TARGET_X86_64
651 Section *uw_pdata;
652 int uw_sym;
653 unsigned uw_offs;
654# endif
655#endif
656
657#ifdef TCC_IS_NATIVE
658 /* for tcc_relocate */
659 void *runtime_mem;
660# ifdef HAVE_SELINUX
661 void *write_mem;
662 unsigned long mem_size;
663# endif
664# if !defined TCC_TARGET_PE && (defined TCC_TARGET_X86_64 || defined TCC_TARGET_ARM)
665 /* write PLT and GOT here */
666 char *runtime_plt_and_got;
667 unsigned runtime_plt_and_got_offset;
668# define TCC_HAS_RUNTIME_PLTGOT
669# endif
670#endif
671
672 /* used by main and tcc_parse_args only */
673 char **files; /* files seen on command line */
674 int nb_files; /* number thereof */
675 int nb_libraries; /* number of libs thereof */
676 char *outfile; /* output filename */
677 char *option_m; /* only -m32/-m64 handled */
678 int print_search_dirs; /* option */
679 int option_r; /* option -r */
680 int do_bench; /* option -bench */
681 int gen_deps; /* option -MD */
682 char *deps_outfile; /* option -MF */
683};
684
685/* The current value can be: */
686#define VT_VALMASK 0x003f /* mask for value location, register or: */
687#define VT_CONST 0x0030 /* constant in vc (must be first non register value) */
688#define VT_LLOCAL 0x0031 /* lvalue, offset on stack */
689#define VT_LOCAL 0x0032 /* offset on stack */
690#define VT_CMP 0x0033 /* the value is stored in processor flags (in vc) */
691#define VT_JMP 0x0034 /* value is the consequence of jmp true (even) */
692#define VT_JMPI 0x0035 /* value is the consequence of jmp false (odd) */
693#define VT_REF 0x0040 /* value is pointer to structure rather than address */
694#define VT_LVAL 0x0100 /* var is an lvalue */
695#define VT_SYM 0x0200 /* a symbol value is added */
696#define VT_MUSTCAST 0x0400 /* value must be casted to be correct (used for
697 char/short stored in integer registers) */
698#define VT_MUSTBOUND 0x0800 /* bound checking must be done before
699 dereferencing value */
700#define VT_BOUNDED 0x8000 /* value is bounded. The address of the
701 bounding function call point is in vc */
702#define VT_LVAL_BYTE 0x1000 /* lvalue is a byte */
703#define VT_LVAL_SHORT 0x2000 /* lvalue is a short */
704#define VT_LVAL_UNSIGNED 0x4000 /* lvalue is unsigned */
705#define VT_LVAL_TYPE (VT_LVAL_BYTE | VT_LVAL_SHORT | VT_LVAL_UNSIGNED)
706
707/* types */
708#define VT_BTYPE 0x000f /* mask for basic type */
709#define VT_INT 0 /* integer type */
710#define VT_BYTE 1 /* signed byte type */
711#define VT_SHORT 2 /* short type */
712#define VT_VOID 3 /* void type */
713#define VT_PTR 4 /* pointer */
714#define VT_ENUM 5 /* enum definition */
715#define VT_FUNC 6 /* function type */
716#define VT_STRUCT 7 /* struct/union definition */
717#define VT_FLOAT 8 /* IEEE float */
718#define VT_DOUBLE 9 /* IEEE double */
719#define VT_LDOUBLE 10 /* IEEE long double */
720#define VT_BOOL 11 /* ISOC99 boolean type */
721#define VT_LLONG 12 /* 64 bit integer */
722#define VT_LONG 13 /* long integer (NEVER USED as type, only
723 during parsing) */
724#define VT_UNSIGNED 0x0010 /* unsigned type */
725#define VT_ARRAY 0x0020 /* array type (also has VT_PTR) */
726#define VT_BITFIELD 0x0040 /* bitfield modifier */
727#define VT_CONSTANT 0x0800 /* const modifier */
728#define VT_VOLATILE 0x1000 /* volatile modifier */
729#define VT_SIGNED 0x2000 /* signed type */
730#define VT_VLA 0x00020000 /* VLA type (also has VT_PTR and VT_ARRAY) */
731
732/* storage */
733#define VT_EXTERN 0x00000080 /* extern definition */
734#define VT_STATIC 0x00000100 /* static variable */
735#define VT_TYPEDEF 0x00000200 /* typedef definition */
736#define VT_INLINE 0x00000400 /* inline definition */
737#define VT_IMPORT 0x00004000 /* win32: extern data imported from dll */
738#define VT_EXPORT 0x00008000 /* win32: data exported from dll */
739#define VT_WEAK 0x00010000 /* weak symbol */
740
741#define VT_STRUCT_SHIFT 18 /* shift for bitfield shift values (max: 32 - 2*6) */
742
743/* type mask (except storage) */
744#define VT_STORAGE (VT_EXTERN | VT_STATIC | VT_TYPEDEF | VT_INLINE | VT_IMPORT | VT_EXPORT | VT_WEAK)
745#define VT_TYPE (~(VT_STORAGE))
746
747/* token values */
748
749/* warning: the following compare tokens depend on i386 asm code */
750#define TOK_ULT 0x92
751#define TOK_UGE 0x93
752#define TOK_EQ 0x94
753#define TOK_NE 0x95
754#define TOK_ULE 0x96
755#define TOK_UGT 0x97
756#define TOK_Nset 0x98
757#define TOK_Nclear 0x99
758#define TOK_LT 0x9c
759#define TOK_GE 0x9d
760#define TOK_LE 0x9e
761#define TOK_GT 0x9f
762
763#define TOK_LAND 0xa0
764#define TOK_LOR 0xa1
765
766#define TOK_DEC 0xa2
767#define TOK_MID 0xa3 /* inc/dec, to void constant */
768#define TOK_INC 0xa4
769#define TOK_UDIV 0xb0 /* unsigned division */
770#define TOK_UMOD 0xb1 /* unsigned modulo */
771#define TOK_PDIV 0xb2 /* fast division with undefined rounding for pointers */
772#define TOK_CINT 0xb3 /* number in tokc */
773#define TOK_CCHAR 0xb4 /* char constant in tokc */
774#define TOK_STR 0xb5 /* pointer to string in tokc */
775#define TOK_TWOSHARPS 0xb6 /* ## preprocessing token */
776#define TOK_LCHAR 0xb7
777#define TOK_LSTR 0xb8
778#define TOK_CFLOAT 0xb9 /* float constant */
779#define TOK_LINENUM 0xba /* line number info */
780#define TOK_CDOUBLE 0xc0 /* double constant */
781#define TOK_CLDOUBLE 0xc1 /* long double constant */
782#define TOK_UMULL 0xc2 /* unsigned 32x32 -> 64 mul */
783#define TOK_ADDC1 0xc3 /* add with carry generation */
784#define TOK_ADDC2 0xc4 /* add with carry use */
785#define TOK_SUBC1 0xc5 /* add with carry generation */
786#define TOK_SUBC2 0xc6 /* add with carry use */
787#define TOK_CUINT 0xc8 /* unsigned int constant */
788#define TOK_CLLONG 0xc9 /* long long constant */
789#define TOK_CULLONG 0xca /* unsigned long long constant */
790#define TOK_ARROW 0xcb
791#define TOK_DOTS 0xcc /* three dots */
792#define TOK_SHR 0xcd /* unsigned shift right */
793#define TOK_PPNUM 0xce /* preprocessor number */
794#define TOK_NOSUBST 0xcf /* means following token has already been pp'd */
795
796#define TOK_SHL 0x01 /* shift left */
797#define TOK_SAR 0x02 /* signed shift right */
798
799/* assignement operators : normal operator or 0x80 */
800#define TOK_A_MOD 0xa5
801#define TOK_A_AND 0xa6
802#define TOK_A_MUL 0xaa
803#define TOK_A_ADD 0xab
804#define TOK_A_SUB 0xad
805#define TOK_A_DIV 0xaf
806#define TOK_A_XOR 0xde
807#define TOK_A_OR 0xfc
808#define TOK_A_SHL 0x81
809#define TOK_A_SAR 0x82
810
811#ifndef offsetof
812#define offsetof(type, field) ((size_t) &((type *)0)->field)
813#endif
814
815#ifndef countof
816#define countof(tab) (sizeof(tab) / sizeof((tab)[0]))
817#endif
818
819#define TOK_EOF (-1) /* end of file */
820#define TOK_LINEFEED 10 /* line feed */
821
822/* all identificators and strings have token above that */
823#define TOK_IDENT 256
824
825#define DEF_ASM(x) DEF(TOK_ASM_ ## x, #x)
826#define TOK_ASM_int TOK_INT
827#define TOK_ASM_weak TOK_WEAK1
828
829#if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
830/* only used for i386 asm opcodes definitions */
831#define DEF_BWL(x) \
832 DEF(TOK_ASM_ ## x ## b, #x "b") \
833 DEF(TOK_ASM_ ## x ## w, #x "w") \
834 DEF(TOK_ASM_ ## x ## l, #x "l") \
835 DEF(TOK_ASM_ ## x, #x)
836#define DEF_WL(x) \
837 DEF(TOK_ASM_ ## x ## w, #x "w") \
838 DEF(TOK_ASM_ ## x ## l, #x "l") \
839 DEF(TOK_ASM_ ## x, #x)
840#ifdef TCC_TARGET_X86_64
841# define DEF_BWLQ(x) \
842 DEF(TOK_ASM_ ## x ## b, #x "b") \
843 DEF(TOK_ASM_ ## x ## w, #x "w") \
844 DEF(TOK_ASM_ ## x ## l, #x "l") \
845 DEF(TOK_ASM_ ## x ## q, #x "q") \
846 DEF(TOK_ASM_ ## x, #x)
847# define DEF_WLQ(x) \
848 DEF(TOK_ASM_ ## x ## w, #x "w") \
849 DEF(TOK_ASM_ ## x ## l, #x "l") \
850 DEF(TOK_ASM_ ## x ## q, #x "q") \
851 DEF(TOK_ASM_ ## x, #x)
852# define DEF_BWLX DEF_BWLQ
853# define DEF_WLX DEF_WLQ
854/* number of sizes + 1 */
855# define NBWLX 5
856#else
857# define DEF_BWLX DEF_BWL
858# define DEF_WLX DEF_WL
859/* number of sizes + 1 */
860# define NBWLX 4
861#endif
862
863#define DEF_FP1(x) \
864 DEF(TOK_ASM_ ## f ## x ## s, "f" #x "s") \
865 DEF(TOK_ASM_ ## fi ## x ## l, "fi" #x "l") \
866 DEF(TOK_ASM_ ## f ## x ## l, "f" #x "l") \
867 DEF(TOK_ASM_ ## fi ## x ## s, "fi" #x "s")
868
869#define DEF_FP(x) \
870 DEF(TOK_ASM_ ## f ## x, "f" #x ) \
871 DEF(TOK_ASM_ ## f ## x ## p, "f" #x "p") \
872 DEF_FP1(x)
873
874#define DEF_ASMTEST(x) \
875 DEF_ASM(x ## o) \
876 DEF_ASM(x ## no) \
877 DEF_ASM(x ## b) \
878 DEF_ASM(x ## c) \
879 DEF_ASM(x ## nae) \
880 DEF_ASM(x ## nb) \
881 DEF_ASM(x ## nc) \
882 DEF_ASM(x ## ae) \
883 DEF_ASM(x ## e) \
884 DEF_ASM(x ## z) \
885 DEF_ASM(x ## ne) \
886 DEF_ASM(x ## nz) \
887 DEF_ASM(x ## be) \
888 DEF_ASM(x ## na) \
889 DEF_ASM(x ## nbe) \
890 DEF_ASM(x ## a) \
891 DEF_ASM(x ## s) \
892 DEF_ASM(x ## ns) \
893 DEF_ASM(x ## p) \
894 DEF_ASM(x ## pe) \
895 DEF_ASM(x ## np) \
896 DEF_ASM(x ## po) \
897 DEF_ASM(x ## l) \
898 DEF_ASM(x ## nge) \
899 DEF_ASM(x ## nl) \
900 DEF_ASM(x ## ge) \
901 DEF_ASM(x ## le) \
902 DEF_ASM(x ## ng) \
903 DEF_ASM(x ## nle) \
904 DEF_ASM(x ## g)
905
906#endif // defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
907
908enum tcc_token {
909 TOK_LAST = TOK_IDENT - 1,
910#define DEF(id, str) id,
911#include "tcctok.h"
912#undef DEF
913};
914
915#define TOK_UIDENT TOK_DEFINE
916
917#if 0//def _WIN32
918#define snprintf _snprintf
919#define vsnprintf _vsnprintf
920#ifndef __GNUC__
921 #define strtold (long double)strtod
922 #define strtof (float)strtod
923 #define strtoll _strtoi64
924 #define strtoull _strtoui64
925#endif
926#else
927/* XXX: need to define this to use them in non ISOC99 context */
928extern float strtof (const char *__nptr, char **__endptr);
929extern long double strtold (const char *__nptr, char **__endptr);
930#endif
931
932#ifdef _WIN32
933#define IS_DIRSEP(c) (c == '/' || c == '\\')
934#define IS_ABSPATH(p) (IS_DIRSEP(p[0]) || (p[0] && p[1] == ':' && IS_DIRSEP(p[2])))
935#define PATHCMP stricmp
936#else
937#define IS_DIRSEP(c) (c == '/')
938#define IS_ABSPATH(p) IS_DIRSEP(p[0])
939#define PATHCMP strcmp
940#endif
941
942#ifdef TCC_TARGET_PE
943#define PATHSEP ';'
944#else
945#define PATHSEP ':'
946#endif
947
948/* space exlcuding newline */
949static inline int is_space(int ch)
950{
951 return ch == ' ' || ch == '\t' || ch == '\v' || ch == '\f' || ch == '\r';
952}
953
954static inline int isid(int c)
955{
956 return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || c == '_';
957}
958
959static inline int isnum(int c)
960{
961 return c >= '0' && c <= '9';
962}
963
964static inline int isoct(int c)
965{
966 return c >= '0' && c <= '7';
967}
968
969static inline int toup(int c)
970{
971 return (c >= 'a' && c <= 'z') ? c - 'a' + 'A' : c;
972}
973
974#ifndef PUB_FUNC
975# define PUB_FUNC
976#endif
977
978#ifdef ONE_SOURCE
979#define ST_INLN static inline
980#define ST_FUNC static
981#define ST_DATA static
982#else
983#define ST_INLN
984#define ST_FUNC
985#define ST_DATA extern
986#endif
987
988/* ------------ libtcc.c ------------ */
989
990/* use GNU C extensions */
991ST_DATA int gnu_ext;
992/* use Tiny C extensions */
993ST_DATA int tcc_ext;
994/* XXX: get rid of this ASAP */
995ST_DATA struct TCCState *tcc_state;
996
997#ifdef MEM_DEBUG
998ST_DATA int mem_cur_size;
999ST_DATA int mem_max_size;
1000#endif
1001
1002#define AFF_PRINT_ERROR 0x0001 /* print error if file not found */
1003#define AFF_REFERENCED_DLL 0x0002 /* load a referenced dll from another dll */
1004#define AFF_PREPROCESS 0x0004 /* preprocess file */
1005
1006/* public functions currently used by the tcc main function */
1007PUB_FUNC char *pstrcpy(char *buf, int buf_size, const char *s);
1008PUB_FUNC char *pstrcat(char *buf, int buf_size, const char *s);
1009PUB_FUNC char *pstrncpy(char *out, const char *in, size_t num);
1010PUB_FUNC char *tcc_basename(const char *name);
1011PUB_FUNC char *tcc_fileextension (const char *name);
1012PUB_FUNC void tcc_free(void *ptr);
1013PUB_FUNC void *tcc_malloc(unsigned long size);
1014PUB_FUNC void *tcc_mallocz(unsigned long size);
1015PUB_FUNC void *tcc_realloc(void *ptr, unsigned long size);
1016PUB_FUNC char *tcc_strdup(const char *str);
1017#define free(p) use_tcc_free(p)
1018#define malloc(s) use_tcc_malloc(s)
1019#define realloc(p, s) use_tcc_realloc(p, s)
1020#undef strdup
1021#define strdup(s) use_tcc_strdup(s)
1022PUB_FUNC void tcc_memstats(void);
1023PUB_FUNC void tcc_error_noabort(const char *fmt, ...);
1024PUB_FUNC void tcc_error(const char *fmt, ...);
1025PUB_FUNC void tcc_warning(const char *fmt, ...);
1026
1027/* other utilities */
1028ST_FUNC void dynarray_add(void ***ptab, int *nb_ptr, void *data);
1029ST_FUNC void dynarray_reset(void *pp, int *n);
1030ST_FUNC void cstr_ccat(CString *cstr, int ch);
1031ST_FUNC void cstr_cat(CString *cstr, const char *str);
1032ST_FUNC void cstr_wccat(CString *cstr, int ch);
1033ST_FUNC void cstr_new(CString *cstr);
1034ST_FUNC void cstr_free(CString *cstr);
1035ST_FUNC void cstr_reset(CString *cstr);
1036
1037ST_FUNC Section *new_section(TCCState *s1, const char *name, int sh_type, int sh_flags);
1038ST_FUNC void section_realloc(Section *sec, unsigned long new_size);
1039ST_FUNC void *section_ptr_add(Section *sec, unsigned long size);
1040ST_FUNC void section_reserve(Section *sec, unsigned long size);
1041ST_FUNC Section *find_section(TCCState *s1, const char *name);
1042
1043ST_FUNC void put_extern_sym2(Sym *sym, Section *section, addr_t value, unsigned long size, int can_add_underscore);
1044ST_FUNC void put_extern_sym(Sym *sym, Section *section, addr_t value, unsigned long size);
1045ST_FUNC void greloc(Section *s, Sym *sym, unsigned long offset, int type);
1046
1047ST_INLN void sym_free(Sym *sym);
1048ST_FUNC Sym *sym_push2(Sym **ps, int v, int t, long c);
1049ST_FUNC Sym *sym_find2(Sym *s, int v);
1050ST_FUNC Sym *sym_push(int v, CType *type, int r, int c);
1051ST_FUNC void sym_pop(Sym **ptop, Sym *b);
1052ST_INLN Sym *struct_find(int v);
1053ST_INLN Sym *sym_find(int v);
1054ST_FUNC Sym *global_identifier_push(int v, int t, int c);
1055
1056ST_FUNC void tcc_open_bf(TCCState *s1, const char *filename, int initlen);
1057ST_FUNC int tcc_open(TCCState *s1, const char *filename);
1058ST_FUNC void tcc_close(void);
1059
1060ST_FUNC int tcc_add_file_internal(TCCState *s1, const char *filename, int flags);
1061ST_FUNC int tcc_add_crt(TCCState *s, const char *filename);
1062ST_FUNC int tcc_add_dll(TCCState *s, const char *filename, int flags);
1063
1064PUB_FUNC void tcc_print_stats(TCCState *s, int64_t total_time);
1065PUB_FUNC int tcc_parse_args(TCCState *s, int argc, char **argv);
1066
1067/* ------------ tccpp.c ------------ */
1068
1069ST_DATA struct BufferedFile *file;
1070ST_DATA int ch, tok;
1071ST_DATA CValue tokc;
1072ST_DATA const int *macro_ptr;
1073ST_DATA int parse_flags;
1074ST_DATA int tok_flags;
1075ST_DATA CString tokcstr; /* current parsed string, if any */
1076
1077/* display benchmark infos */
1078ST_DATA int total_lines;
1079ST_DATA int total_bytes;
1080ST_DATA int tok_ident;
1081ST_DATA TokenSym **table_ident;
1082
1083#define TOK_FLAG_BOL 0x0001 /* beginning of line before */
1084#define TOK_FLAG_BOF 0x0002 /* beginning of file before */
1085#define TOK_FLAG_ENDIF 0x0004 /* a endif was found matching starting #ifdef */
1086#define TOK_FLAG_EOF 0x0008 /* end of file */
1087
1088#define PARSE_FLAG_PREPROCESS 0x0001 /* activate preprocessing */
1089#define PARSE_FLAG_TOK_NUM 0x0002 /* return numbers instead of TOK_PPNUM */
1090#define PARSE_FLAG_LINEFEED 0x0004 /* line feed is returned as a
1091 token. line feed is also
1092 returned at eof */
1093#define PARSE_FLAG_ASM_COMMENTS 0x0008 /* '#' can be used for line comment */
1094#define PARSE_FLAG_SPACES 0x0010 /* next() returns space tokens (for -E) */
1095
1096ST_FUNC TokenSym *tok_alloc(const char *str, int len);
1097ST_FUNC char *get_tok_str(int v, CValue *cv);
1098ST_FUNC void save_parse_state(ParseState *s);
1099ST_FUNC void restore_parse_state(ParseState *s);
1100ST_INLN void tok_str_new(TokenString *s);
1101ST_FUNC void tok_str_free(int *str);
1102ST_FUNC void tok_str_add(TokenString *s, int t);
1103ST_FUNC void tok_str_add_tok(TokenString *s);
1104ST_INLN void define_push(int v, int macro_type, int *str, Sym *first_arg);
1105ST_FUNC void define_undef(Sym *s);
1106ST_INLN Sym *define_find(int v);
1107ST_FUNC void free_defines(Sym *b);
1108ST_FUNC Sym *label_find(int v);
1109ST_FUNC Sym *label_push(Sym **ptop, int v, int flags);
1110ST_FUNC void label_pop(Sym **ptop, Sym *slast);
1111ST_FUNC void parse_define(void);
1112ST_FUNC void preprocess(int is_bof);
1113ST_FUNC void next_nomacro(void);
1114ST_FUNC void next(void);
1115ST_INLN void unget_tok(int last_tok);
1116ST_FUNC void preprocess_init(TCCState *s1);
1117ST_FUNC void preprocess_new(void);
1118ST_FUNC int tcc_preprocess(TCCState *s1);
1119ST_FUNC void skip(int c);
1120ST_FUNC void expect(const char *msg);
1121
1122/* ------------ tccgen.c ------------ */
1123
1124ST_DATA Section *text_section, *data_section, *bss_section; /* predefined sections */
1125ST_DATA Section *cur_text_section; /* current section where function code is generated */
1126#ifdef CONFIG_TCC_ASM
1127ST_DATA Section *last_text_section; /* to handle .previous asm directive */
1128#endif
1129#ifdef CONFIG_TCC_BCHECK
1130/* bound check related sections */
1131ST_DATA Section *bounds_section; /* contains global data bound description */
1132ST_DATA Section *lbounds_section; /* contains local data bound description */
1133#endif
1134/* symbol sections */
1135ST_DATA Section *symtab_section, *strtab_section;
1136/* debug sections */
1137ST_DATA Section *stab_section, *stabstr_section;
1138
1139#define SYM_POOL_NB (8192 / sizeof(Sym))
1140ST_DATA Sym *sym_free_first;
1141ST_DATA void **sym_pools;
1142ST_DATA int nb_sym_pools;
1143
1144ST_DATA Sym *global_stack;
1145ST_DATA Sym *local_stack;
1146ST_DATA Sym *local_label_stack;
1147ST_DATA Sym *global_label_stack;
1148ST_DATA Sym *define_stack;
1149ST_DATA CType char_pointer_type, func_old_type, int_type, size_type;
1150ST_DATA SValue __vstack[1+/*to make bcheck happy*/ VSTACK_SIZE], *vtop;
1151#define vstack (__vstack + 1)
1152ST_DATA int rsym, anon_sym, ind, loc;
1153
1154ST_DATA int const_wanted; /* true if constant wanted */
1155ST_DATA int nocode_wanted; /* true if no code generation wanted for an expression */
1156ST_DATA int global_expr; /* true if compound literals must be allocated globally (used during initializers parsing */
1157ST_DATA CType func_vt; /* current function return type (used by return instruction) */
1158ST_DATA int func_vc;
1159ST_DATA int last_line_num, last_ind, func_ind; /* debug last line number and pc */
1160ST_DATA char *funcname;
1161
1162ST_INLN int is_float(int t);
1163ST_FUNC int ieee_finite(double d);
1164ST_FUNC void test_lvalue(void);
1165ST_FUNC void swap(int *p, int *q);
1166ST_FUNC void vpushi(int v);
1167ST_FUNC Sym *external_global_sym(int v, CType *type, int r);
1168ST_FUNC void vset(CType *type, int r, int v);
1169ST_FUNC void vswap(void);
1170ST_FUNC void vpush_global_sym(CType *type, int v);
1171ST_FUNC void vrote(SValue *e, int n);
1172ST_FUNC void vrott(int n);
1173ST_FUNC void vrotb(int n);
1174#ifdef TCC_TARGET_ARM
1175ST_FUNC int get_reg_ex(int rc, int rc2);
1176ST_FUNC void lexpand_nr(void);
1177#endif
1178ST_FUNC void vpushv(SValue *v);
1179ST_FUNC void save_reg(int r);
1180ST_FUNC int get_reg(int rc);
1181ST_FUNC void save_regs(int n);
1182ST_FUNC int gv(int rc);
1183ST_FUNC void gv2(int rc1, int rc2);
1184ST_FUNC void vpop(void);
1185ST_FUNC void gen_op(int op);
1186ST_FUNC int type_size(CType *type, int *a);
1187ST_FUNC void mk_pointer(CType *type);
1188ST_FUNC void vstore(void);
1189ST_FUNC void inc(int post, int c);
1190ST_FUNC void parse_asm_str(CString *astr);
1191ST_FUNC int lvalue_type(int t);
1192ST_FUNC void indir(void);
1193ST_FUNC void unary(void);
1194ST_FUNC void expr_prod(void);
1195ST_FUNC void expr_sum(void);
1196ST_FUNC void gexpr(void);
1197ST_FUNC int expr_const(void);
1198ST_FUNC void gen_inline_functions(void);
1199ST_FUNC void decl(int l);
1200#if defined CONFIG_TCC_BCHECK || defined TCC_TARGET_C67
1201ST_FUNC Sym *get_sym_ref(CType *type, Section *sec, unsigned long offset, unsigned long size);
1202#endif
1203
1204/* ------------ tccelf.c ------------ */
1205
1206#define TCC_OUTPUT_FORMAT_ELF 0 /* default output format: ELF */
1207#define TCC_OUTPUT_FORMAT_BINARY 1 /* binary image output */
1208#define TCC_OUTPUT_FORMAT_COFF 2 /* COFF */
1209
1210#define ARMAG "!<arch>\012" /* For COFF and a.out archives */
1211
1212typedef struct {
1213 unsigned int n_strx; /* index into string table of name */
1214 unsigned char n_type; /* type of symbol */
1215 unsigned char n_other; /* misc info (usually empty) */
1216 unsigned short n_desc; /* description field */
1217 unsigned int n_value; /* value of symbol */
1218} Stab_Sym;
1219
1220ST_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);
1221
1222ST_FUNC int put_elf_str(Section *s, const char *sym);
1223ST_FUNC int put_elf_sym(Section *s, addr_t value, unsigned long size, int info, int other, int shndx, const char *name);
1224ST_FUNC int add_elf_sym(Section *s, addr_t value, unsigned long size, int info, int other, int sh_num, const char *name);
1225ST_FUNC int find_elf_sym(Section *s, const char *name);
1226ST_FUNC void put_elf_reloc(Section *symtab, Section *s, unsigned long offset, int type, int symbol);
1227
1228ST_FUNC void put_stabs(const char *str, int type, int other, int desc, unsigned long value);
1229ST_FUNC void put_stabs_r(const char *str, int type, int other, int desc, unsigned long value, Section *sec, int sym_index);
1230ST_FUNC void put_stabn(int type, int other, int desc, int value);
1231ST_FUNC void put_stabd(int type, int other, int desc);
1232
1233ST_FUNC void relocate_common_syms(void);
1234ST_FUNC void relocate_syms(TCCState *s1, int do_resolve);
1235ST_FUNC void relocate_section(TCCState *s1, Section *s);
1236
1237ST_FUNC void tcc_add_linker_symbols(TCCState *s1);
1238ST_FUNC int tcc_load_object_file(TCCState *s1, int fd, unsigned long file_offset);
1239ST_FUNC int tcc_load_archive(TCCState *s1, int fd);
1240ST_FUNC void tcc_add_bcheck(TCCState *s1);
1241
1242ST_FUNC void build_got_entries(TCCState *s1);
1243ST_FUNC void tcc_add_runtime(TCCState *s1);
1244
1245ST_FUNC addr_t get_elf_sym_addr(TCCState *s, const char *name, int err);
1246#ifdef TCC_IS_NATIVE
1247ST_FUNC void *tcc_get_symbol_err(TCCState *s, const char *name);
1248#endif
1249
1250#ifndef TCC_TARGET_PE
1251ST_FUNC int tcc_load_dll(TCCState *s1, int fd, const char *filename, int level);
1252ST_FUNC int tcc_load_ldscript(TCCState *s1);
1253ST_FUNC uint8_t *parse_comment(uint8_t *p);
1254ST_FUNC void minp(void);
1255ST_INLN void inp(void);
1256ST_FUNC int handle_eob(void);
1257#endif
1258
1259/* ------------ xxx-gen.c ------------ */
1260
1261#ifdef TCC_TARGET_X86_64
1262ST_DATA const int reg_classes[NB_REGS+7];
1263#else
1264ST_DATA const int reg_classes[NB_REGS];
1265#endif
1266
1267ST_FUNC void gsym_addr(int t, int a);
1268ST_FUNC void gsym(int t);
1269ST_FUNC void load(int r, SValue *sv);
1270ST_FUNC void store(int r, SValue *v);
1271ST_FUNC void gfunc_call(int nb_args);
1272ST_FUNC void gfunc_prolog(CType *func_type);
1273ST_FUNC void gfunc_epilog(void);
1274ST_FUNC int gjmp(int t);
1275ST_FUNC void gjmp_addr(int a);
1276ST_FUNC int gtst(int inv, int t);
1277ST_FUNC void gen_opi(int op);
1278ST_FUNC void gen_opf(int op);
1279ST_FUNC void gen_cvt_ftoi(int t);
1280ST_FUNC void gen_cvt_ftof(int t);
1281ST_FUNC void ggoto(void);
1282#ifndef TCC_TARGET_C67
1283ST_FUNC void o(unsigned int c);
1284#endif
1285#ifndef TCC_TARGET_ARM
1286ST_FUNC void gen_cvt_itof(int t);
1287#endif
1288
1289/* ------------ i386-gen.c ------------ */
1290#if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
1291ST_FUNC void g(int c);
1292ST_FUNC int oad(int c, int s);
1293ST_FUNC void gen_le16(int c);
1294ST_FUNC void gen_le32(int c);
1295ST_FUNC void gen_addr32(int r, Sym *sym, int c);
1296ST_FUNC void gen_addrpc32(int r, Sym *sym, int c);
1297#endif
1298
1299#ifdef CONFIG_TCC_BCHECK
1300ST_FUNC void gen_bounded_ptr_add(void);
1301ST_FUNC void gen_bounded_ptr_deref(void);
1302#endif
1303
1304/* ------------ x86_64-gen.c ------------ */
1305#ifdef TCC_TARGET_X86_64
1306ST_FUNC void gen_addr64(int r, Sym *sym, int64_t c);
1307ST_FUNC void gen_opl(int op);
1308#endif
1309
1310/* ------------ arm-gen.c ------------ */
1311#ifdef TCC_TARGET_ARM
1312ST_FUNC void arm_init_types(void);
1313ST_FUNC uint32_t encbranch(int pos, int addr, int fail);
1314ST_FUNC void gen_cvt_itof1(int t);
1315#endif
1316
1317/* ------------ c67-gen.c ------------ */
1318#ifdef TCC_TARGET_C67
1319#endif
1320
1321/* ------------ tcccoff.c ------------ */
1322
1323#ifdef TCC_TARGET_COFF
1324ST_FUNC int tcc_output_coff(TCCState *s1, FILE *f);
1325ST_FUNC int tcc_load_coff(TCCState * s1, int fd);
1326#endif
1327
1328/* ------------ tccasm.c ------------ */
1329ST_FUNC void asm_instr(void);
1330ST_FUNC void asm_global_instr(void);
1331#ifdef CONFIG_TCC_ASM
1332ST_FUNC int find_constraint(ASMOperand *operands, int nb_operands, const char *name, const char **pp);
1333ST_FUNC void asm_expr(TCCState *s1, ExprValue *pe);
1334ST_FUNC int asm_int_expr(TCCState *s1);
1335ST_FUNC int tcc_assemble(TCCState *s1, int do_preprocess);
1336/* ------------ i386-asm.c ------------ */
1337ST_FUNC void gen_expr32(ExprValue *pe);
1338ST_FUNC void asm_opcode(TCCState *s1, int opcode);
1339ST_FUNC void asm_compute_constraints(ASMOperand *operands, int nb_operands, int nb_outputs, const uint8_t *clobber_regs, int *pout_reg);
1340ST_FUNC void subst_asm_operand(CString *add_str, SValue *sv, int modifier);
1341ST_FUNC void asm_gen_code(ASMOperand *operands, int nb_operands, int nb_outputs, int is_output, uint8_t *clobber_regs, int out_reg);
1342ST_FUNC void asm_clobber(uint8_t *clobber_regs, const char *str);
1343#endif
1344
1345/* ------------ tccpe.c -------------- */
1346#ifdef TCC_TARGET_PE
1347ST_FUNC int pe_load_file(struct TCCState *s1, const char *filename, int fd);
1348ST_FUNC int pe_output_file(TCCState * s1, const char *filename);
1349ST_FUNC int pe_putimport(TCCState *s1, int dllindex, const char *name, addr_t value);
1350ST_FUNC SValue *pe_getimport(SValue *sv, SValue *v2);
1351#ifdef TCC_TARGET_X86_64
1352ST_FUNC void pe_add_unwind_data(unsigned start, unsigned end, unsigned stack);
1353#endif
1354#endif
1355
1356/* ------------ tccrun.c ----------------- */
1357#ifdef TCC_IS_NATIVE
1358#ifdef CONFIG_TCC_STATIC
1359#define RTLD_LAZY 0x001
1360#define RTLD_NOW 0x002
1361#define RTLD_GLOBAL 0x100
1362#define RTLD_DEFAULT NULL
1363/* dummy function for profiling */
1364ST_FUNC void *dlopen(const char *filename, int flag);
1365ST_FUNC void dlclose(void *p);
1366ST_FUNC const char *dlerror(void);
1367ST_FUNC void *resolve_sym(TCCState *s1, const char *symbol);
1368#elif !defined _WIN32
1369ST_FUNC void *resolve_sym(TCCState *s1, const char *symbol);
1370#endif
1371
1372#ifdef CONFIG_TCC_BACKTRACE
1373ST_DATA int rt_num_callers;
1374ST_DATA const char **rt_bound_error_msg;
1375ST_DATA void *rt_prog_main;
1376ST_FUNC void tcc_set_num_callers(int n);
1377#endif
1378#endif
1379
1380/********************************************************/
1381#undef ST_DATA
1382#ifdef ONE_SOURCE
1383#define ST_DATA static
1384#else
1385#define ST_DATA
1386#endif
1387/********************************************************/
1388#endif /* _TCC_H */
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