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Fix another corner case with C/asm symtable
[tinycc.git] / tcc.h
blob6241f42833d3356f1cec9fff66f9a86065672c77
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 #include <stdlib.h>
28 #include <stdio.h>
29 #include <stdarg.h>
30 #include <string.h>
31 #include <errno.h>
32 #include <math.h>
33 #include <fcntl.h>
34 #include <setjmp.h>
35 #include <time.h>
36
37 #ifndef _WIN32
38 # include <unistd.h>
39 # include <sys/time.h>
40 # ifndef CONFIG_TCC_STATIC
41 # include <dlfcn.h>
42 # endif
43 /* XXX: need to define this to use them in non ISOC99 context */
44 extern float strtof (const char *__nptr, char **__endptr);
45 extern long double strtold (const char *__nptr, char **__endptr);
46 #endif
47
48 #ifdef _WIN32
49 # include <windows.h>
50 # include <io.h> /* open, close etc. */
51 # include <direct.h> /* getcwd */
52 # ifdef __GNUC__
53 # include <stdint.h>
54 # endif
55 # define inline __inline
56 # define snprintf _snprintf
57 # define vsnprintf _vsnprintf
58 # ifndef __GNUC__
59 # define strtold (long double)strtod
60 # define strtof (float)strtod
61 # define strtoll _strtoi64
62 # define strtoull _strtoui64
63 # endif
64 # ifdef LIBTCC_AS_DLL
65 # define LIBTCCAPI __declspec(dllexport)
66 # define PUB_FUNC LIBTCCAPI
67 # endif
68 # define inp next_inp /* inp is an intrinsic on msvc/mingw */
69 # ifdef _MSC_VER
70 # pragma warning (disable : 4244) // conversion from 'uint64_t' to 'int', possible loss of data
71 # pragma warning (disable : 4267) // conversion from 'size_t' to 'int', possible loss of data
72 # pragma warning (disable : 4996) // The POSIX name for this item is deprecated. Instead, use the ISO C and C++ conformant name
73 # pragma warning (disable : 4018) // signed/unsigned mismatch
74 # pragma warning (disable : 4146) // unary minus operator applied to unsigned type, result still unsigned
75 # define ssize_t intptr_t
76 # endif
77 # undef CONFIG_TCC_STATIC
78 #endif
79
80 #ifndef O_BINARY
81 # define O_BINARY 0
82 #endif
83
84 #ifndef offsetof
85 #define offsetof(type, field) ((size_t) &((type *)0)->field)
86 #endif
87
88 #ifndef countof
89 #define countof(tab) (sizeof(tab) / sizeof((tab)[0]))
90 #endif
91
92 #ifdef _MSC_VER
93 # define NORETURN __declspec(noreturn)
94 # define ALIGNED(x) __declspec(align(x))
95 #else
96 # define NORETURN __attribute__((noreturn))
97 # define ALIGNED(x) __attribute__((aligned(x)))
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 # define PATHSEP ";"
105 #else
106 # define IS_DIRSEP(c) (c == '/')
107 # define IS_ABSPATH(p) IS_DIRSEP(p[0])
108 # define PATHCMP strcmp
109 # define PATHSEP ":"
110 #endif
111
112 /* -------------------------------------------- */
113
114 /* parser debug */
115 /* #define PARSE_DEBUG */
116 /* preprocessor debug */
117 /* #define PP_DEBUG */
118 /* include file debug */
119 /* #define INC_DEBUG */
120 /* memory leak debug */
121 /* #define MEM_DEBUG */
122 /* assembler debug */
123 /* #define ASM_DEBUG */
124
125 /* target selection */
126 /* #define TCC_TARGET_I386 *//* i386 code generator */
127 /* #define TCC_TARGET_X86_64 *//* x86-64 code generator */
128 /* #define TCC_TARGET_ARM *//* ARMv4 code generator */
129 /* #define TCC_TARGET_ARM64 *//* ARMv8 code generator */
130 /* #define TCC_TARGET_C67 *//* TMS320C67xx code generator */
131
132 /* default target is I386 */
133 #if !defined(TCC_TARGET_I386) && !defined(TCC_TARGET_ARM) && \
134 !defined(TCC_TARGET_ARM64) && !defined(TCC_TARGET_C67) && \
135 !defined(TCC_TARGET_X86_64)
136 # if defined __x86_64__ || defined _AMD64_
137 # define TCC_TARGET_X86_64
138 # elif defined __arm__
139 # define TCC_TARGET_ARM
140 # define TCC_ARM_EABI
141 # define TCC_ARM_HARDFLOAT
142 # elif defined __aarch64__
143 # define TCC_TARGET_ARM64
144 # else
145 # define TCC_TARGET_I386
146 # endif
147 # ifdef _WIN32
148 # define TCC_TARGET_PE 1
149 # endif
150 #endif
151
152 /* only native compiler supports -run */
153 #if defined _WIN32 == defined TCC_TARGET_PE
154 # if (defined __i386__ || defined _X86_) && defined TCC_TARGET_I386
155 # define TCC_IS_NATIVE
156 # elif (defined __x86_64__ || defined _AMD64_) && defined TCC_TARGET_X86_64
157 # define TCC_IS_NATIVE
158 # elif defined __arm__ && defined TCC_TARGET_ARM
159 # define TCC_IS_NATIVE
160 # elif defined __aarch64__ && defined TCC_TARGET_ARM64
161 # define TCC_IS_NATIVE
162 # endif
163 #endif
164
165 #if defined TCC_IS_NATIVE && !defined CONFIG_TCCBOOT
166 # define CONFIG_TCC_BACKTRACE
167 # if (defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64) \
168 && !defined TCC_UCLIBC && !defined TCC_MUSL
169 # define CONFIG_TCC_BCHECK /* enable bound checking code */
170 # endif
171 #endif
172
173 /* ------------ path configuration ------------ */
174
175 #ifndef CONFIG_SYSROOT
176 # define CONFIG_SYSROOT ""
177 #endif
178 #ifndef CONFIG_TCCDIR
179 # define CONFIG_TCCDIR "/usr/local/lib/tcc"
180 #endif
181 #ifndef CONFIG_LDDIR
182 # define CONFIG_LDDIR "lib"
183 #endif
184 #ifdef CONFIG_TRIPLET
185 # define USE_TRIPLET(s) s "/" CONFIG_TRIPLET
186 # define ALSO_TRIPLET(s) USE_TRIPLET(s) ":" s
187 #else
188 # define USE_TRIPLET(s) s
189 # define ALSO_TRIPLET(s) s
190 #endif
191
192 /* path to find crt1.o, crti.o and crtn.o */
193 #ifndef CONFIG_TCC_CRTPREFIX
194 # define CONFIG_TCC_CRTPREFIX USE_TRIPLET(CONFIG_SYSROOT "/usr/" CONFIG_LDDIR)
195 #endif
196
197 /* Below: {B} is substituted by CONFIG_TCCDIR (rsp. -B option) */
198
199 /* system include paths */
200 #ifndef CONFIG_TCC_SYSINCLUDEPATHS
201 # ifdef TCC_TARGET_PE
202 # define CONFIG_TCC_SYSINCLUDEPATHS "{B}/include"PATHSEP"{B}/include/winapi"
203 # else
204 # define CONFIG_TCC_SYSINCLUDEPATHS \
205 "{B}/include" \
206 ":" ALSO_TRIPLET(CONFIG_SYSROOT "/usr/local/include") \
207 ":" ALSO_TRIPLET(CONFIG_SYSROOT "/usr/include")
208 # endif
209 #endif
210
211 /* library search paths */
212 #ifndef CONFIG_TCC_LIBPATHS
213 # ifdef TCC_TARGET_PE
214 # define CONFIG_TCC_LIBPATHS "{B}/lib"
215 # else
216 # define CONFIG_TCC_LIBPATHS \
217 ALSO_TRIPLET(CONFIG_SYSROOT "/usr/" CONFIG_LDDIR) \
218 ":" ALSO_TRIPLET(CONFIG_SYSROOT "/" CONFIG_LDDIR) \
219 ":" ALSO_TRIPLET(CONFIG_SYSROOT "/usr/local/" CONFIG_LDDIR)
220 # endif
221 #endif
222
223 /* name of ELF interpreter */
224 #ifndef CONFIG_TCC_ELFINTERP
225 # if defined __FreeBSD__
226 # define CONFIG_TCC_ELFINTERP "/libexec/ld-elf.so.1"
227 # elif defined __FreeBSD_kernel__
228 # if defined(TCC_TARGET_X86_64)
229 # define CONFIG_TCC_ELFINTERP "/lib/ld-kfreebsd-x86-64.so.1"
230 # else
231 # define CONFIG_TCC_ELFINTERP "/lib/ld.so.1"
232 # endif
233 # elif defined __DragonFly__
234 # define CONFIG_TCC_ELFINTERP "/usr/libexec/ld-elf.so.2"
235 # elif defined __NetBSD__
236 # define CONFIG_TCC_ELFINTERP "/usr/libexec/ld.elf_so"
237 # elif defined __GNU__
238 # define CONFIG_TCC_ELFINTERP "/lib/ld.so"
239 # elif defined(TCC_TARGET_PE)
240 # define CONFIG_TCC_ELFINTERP "-"
241 # elif defined(TCC_UCLIBC)
242 # define CONFIG_TCC_ELFINTERP "/lib/ld-uClibc.so.0" /* is there a uClibc for x86_64 ? */
243 # elif defined TCC_TARGET_ARM64
244 # if defined(TCC_MUSL)
245 # define CONFIG_TCC_ELFINTERP "/lib/ld-musl-aarch64.so.1"
246 # else
247 # define CONFIG_TCC_ELFINTERP "/lib/ld-linux-aarch64.so.1"
248 # endif
249 # elif defined(TCC_TARGET_X86_64)
250 # if defined(TCC_MUSL)
251 # define CONFIG_TCC_ELFINTERP "/lib/ld-musl-x86_64.so.1"
252 # else
253 # define CONFIG_TCC_ELFINTERP "/lib64/ld-linux-x86-64.so.2"
254 # endif
255 # elif !defined(TCC_ARM_EABI)
256 # if defined(TCC_MUSL)
257 # define CONFIG_TCC_ELFINTERP "/lib/ld-musl-arm.so.1"
258 # else
259 # define CONFIG_TCC_ELFINTERP "/lib/ld-linux.so.2"
260 # endif
261 # endif
262 #endif
263
264 /* var elf_interp dans *-gen.c */
265 #ifdef CONFIG_TCC_ELFINTERP
266 # define DEFAULT_ELFINTERP(s) CONFIG_TCC_ELFINTERP
267 #else
268 # define DEFAULT_ELFINTERP(s) default_elfinterp(s)
269 #endif
270
271 /* (target specific) libtcc1.a */
272 #ifndef TCC_LIBTCC1
273 # define TCC_LIBTCC1 "libtcc1.a"
274 #endif
275
276 /* library to use with CONFIG_USE_LIBGCC instead of libtcc1.a */
277 #if defined CONFIG_USE_LIBGCC && !defined TCC_LIBGCC
278 #define TCC_LIBGCC USE_TRIPLET(CONFIG_SYSROOT "/" CONFIG_LDDIR) "/libgcc_s.so.1"
279 #endif
280
281 /* -------------------------------------------- */
282
283 #include "libtcc.h"
284 #include "elf.h"
285 #include "stab.h"
286
287 /* -------------------------------------------- */
288
289 #ifndef PUB_FUNC /* functions used by tcc.c but not in libtcc.h */
290 # define PUB_FUNC
291 #endif
292
293 #ifndef ONE_SOURCE
294 # define ONE_SOURCE 1
295 #endif
296
297 #if ONE_SOURCE
298 #define ST_INLN static inline
299 #define ST_FUNC static
300 #define ST_DATA static
301 #else
302 #define ST_INLN
303 #define ST_FUNC
304 #define ST_DATA extern
305 #endif
306
307 #ifdef TCC_PROFILE /* profile all functions */
308 # define static
309 #endif
310
311 /* -------------------------------------------- */
312 /* include the target specific definitions */
313
314 #define TARGET_DEFS_ONLY
315 #ifdef TCC_TARGET_I386
316 # include "i386-gen.c"
317 # include "i386-link.c"
318 #endif
319 #ifdef TCC_TARGET_X86_64
320 # include "x86_64-gen.c"
321 # include "x86_64-link.c"
322 #endif
323 #ifdef TCC_TARGET_ARM
324 # include "arm-gen.c"
325 # include "arm-link.c"
326 # include "arm-asm.c"
327 #endif
328 #ifdef TCC_TARGET_ARM64
329 # include "arm64-gen.c"
330 # include "arm64-link.c"
331 #endif
332 #ifdef TCC_TARGET_C67
333 # define TCC_TARGET_COFF
334 # include "coff.h"
335 # include "c67-gen.c"
336 # include "c67-link.c"
337 #endif
338 #undef TARGET_DEFS_ONLY
339
340 /* -------------------------------------------- */
341
342 #if PTR_SIZE == 8
343 # define ELFCLASSW ELFCLASS64
344 # define ElfW(type) Elf##64##_##type
345 # define ELFW(type) ELF##64##_##type
346 # define ElfW_Rel ElfW(Rela)
347 # define SHT_RELX SHT_RELA
348 # define REL_SECTION_FMT ".rela%s"
349 #else
350 # define ELFCLASSW ELFCLASS32
351 # define ElfW(type) Elf##32##_##type
352 # define ELFW(type) ELF##32##_##type
353 # define ElfW_Rel ElfW(Rel)
354 # define SHT_RELX SHT_REL
355 # define REL_SECTION_FMT ".rel%s"
356 #endif
357 /* target address type */
358 #define addr_t ElfW(Addr)
359 #define ElfSym ElfW(Sym)
360
361 #if PTR_SIZE == 8 && !defined TCC_TARGET_PE
362 # define LONG_SIZE 8
363 #else
364 # define LONG_SIZE 4
365 #endif
366
367 /* -------------------------------------------- */
368
369 #define INCLUDE_STACK_SIZE 32
370 #define IFDEF_STACK_SIZE 64
371 #define VSTACK_SIZE 256
372 #define STRING_MAX_SIZE 1024
373 #define TOKSTR_MAX_SIZE 256
374 #define PACK_STACK_SIZE 8
375
376 #define TOK_HASH_SIZE 16384 /* must be a power of two */
377 #define TOK_ALLOC_INCR 512 /* must be a power of two */
378 #define TOK_MAX_SIZE 4 /* token max size in int unit when stored in string */
379
380 /* token symbol management */
381 typedef struct TokenSym {
382 struct TokenSym *hash_next;
383 struct Sym *sym_define; /* direct pointer to define */
384 struct Sym *sym_label; /* direct pointer to label */
385 struct Sym *sym_struct; /* direct pointer to structure */
386 struct Sym *sym_identifier; /* direct pointer to identifier */
387 int tok; /* token number */
388 int len;
389 char str[1];
390 } TokenSym;
391
392 #ifdef TCC_TARGET_PE
393 typedef unsigned short nwchar_t;
394 #else
395 typedef int nwchar_t;
396 #endif
397
398 typedef struct CString {
399 int size; /* size in bytes */
400 void *data; /* either 'char *' or 'nwchar_t *' */
401 int size_allocated;
402 } CString;
403
404 /* type definition */
405 typedef struct CType {
406 int t;
407 struct Sym *ref;
408 } CType;
409
410 /* constant value */
411 typedef union CValue {
412 long double ld;
413 double d;
414 float f;
415 uint64_t i;
416 struct {
417 int size;
418 const void *data;
419 } str;
420 int tab[LDOUBLE_SIZE/4];
421 } CValue;
422
423 /* value on stack */
424 typedef struct SValue {
425 CType type; /* type */
426 unsigned short r; /* register + flags */
427 unsigned short r2; /* second register, used for 'long long'
428 type. If not used, set to VT_CONST */
429 CValue c; /* constant, if VT_CONST */
430 struct Sym *sym; /* symbol, if (VT_SYM | VT_CONST), or if
431 result of unary() for an identifier. */
432 } SValue;
433
434 /* symbol attributes */
435 struct SymAttr {
436 unsigned short
437 aligned : 5, /* alignment as log2+1 (0 == unspecified) */
438 packed : 1,
439 weak : 1,
440 visibility : 2,
441 dllexport : 1,
442 dllimport : 1,
443 asmexport : 1,
444 unused : 4;
445 };
446
447 /* function attributes or temporary attributes for parsing */
448 struct FuncAttr {
449 unsigned
450 func_call : 3, /* calling convention (0..5), see below */
451 func_type : 2, /* FUNC_OLD/NEW/ELLIPSIS */
452 func_body : 1, /* body was defined */
453 func_args : 8; /* PE __stdcall args */
454 };
455
456 /* GNUC attribute definition */
457 typedef struct AttributeDef {
458 struct SymAttr a;
459 struct FuncAttr f;
460 struct Section *section;
461 int alias_target; /* token */
462 int asm_label; /* associated asm label */
463 char attr_mode; /* __attribute__((__mode__(...))) */
464 } AttributeDef;
465
466 /* symbol management */
467 typedef struct Sym {
468 int v; /* symbol token */
469 unsigned short r; /* associated register or VT_CONST/VT_LOCAL and LVAL type */
470 struct SymAttr a; /* symbol attributes */
471 union {
472 struct {
473 int c; /* associated number or Elf symbol index */
474 union {
475 int sym_scope; /* scope level for locals */
476 int jnext; /* next jump label */
477 struct FuncAttr f; /* function attributes */
478 int auxtype; /* bitfield access type */
479 };
480 };
481 long long enum_val; /* enum constant if IS_ENUM_VAL */
482 int *d; /* define token stream */
483 };
484 CType type; /* associated type */
485 union {
486 struct Sym *next; /* next related symbol (for fields and anoms) */
487 int asm_label; /* associated asm label */
488 };
489 struct Sym *prev; /* prev symbol in stack */
490 struct Sym *prev_tok; /* previous symbol for this token */
491 } Sym;
492
493 /* section definition */
494 /* XXX: use directly ELF structure for parameters ? */
495 /* special flag to indicate that the section should not be linked to
496 the other ones */
497 #define SHF_PRIVATE 0x80000000
498
499 /* special flag, too */
500 #define SECTION_ABS ((void *)1)
501
502 typedef struct Section {
503 unsigned long data_offset; /* current data offset */
504 unsigned char *data; /* section data */
505 unsigned long data_allocated; /* used for realloc() handling */
506 int sh_name; /* elf section name (only used during output) */
507 int sh_num; /* elf section number */
508 int sh_type; /* elf section type */
509 int sh_flags; /* elf section flags */
510 int sh_info; /* elf section info */
511 int sh_addralign; /* elf section alignment */
512 int sh_entsize; /* elf entry size */
513 unsigned long sh_size; /* section size (only used during output) */
514 addr_t sh_addr; /* address at which the section is relocated */
515 unsigned long sh_offset; /* file offset */
516 int nb_hashed_syms; /* used to resize the hash table */
517 struct Section *link; /* link to another section */
518 struct Section *reloc; /* corresponding section for relocation, if any */
519 struct Section *hash; /* hash table for symbols */
520 struct Section *prev; /* previous section on section stack */
521 char name[1]; /* section name */
522 } Section;
523
524 typedef struct DLLReference {
525 int level;
526 void *handle;
527 char name[1];
528 } DLLReference;
529
530 /* -------------------------------------------------- */
531
532 #define SYM_STRUCT 0x40000000 /* struct/union/enum symbol space */
533 #define SYM_FIELD 0x20000000 /* struct/union field symbol space */
534 #define SYM_FIRST_ANOM 0x10000000 /* first anonymous sym */
535
536 /* stored in 'Sym->f.func_type' field */
537 #define FUNC_NEW 1 /* ansi function prototype */
538 #define FUNC_OLD 2 /* old function prototype */
539 #define FUNC_ELLIPSIS 3 /* ansi function prototype with ... */
540
541 /* stored in 'Sym->f.func_call' field */
542 #define FUNC_CDECL 0 /* standard c call */
543 #define FUNC_STDCALL 1 /* pascal c call */
544 #define FUNC_FASTCALL1 2 /* first param in %eax */
545 #define FUNC_FASTCALL2 3 /* first parameters in %eax, %edx */
546 #define FUNC_FASTCALL3 4 /* first parameter in %eax, %edx, %ecx */
547 #define FUNC_FASTCALLW 5 /* first parameter in %ecx, %edx */
548
549 /* field 'Sym.t' for macros */
550 #define MACRO_OBJ 0 /* object like macro */
551 #define MACRO_FUNC 1 /* function like macro */
552
553 /* field 'Sym.r' for C labels */
554 #define LABEL_DEFINED 0 /* label is defined */
555 #define LABEL_FORWARD 1 /* label is forward defined */
556 #define LABEL_DECLARED 2 /* label is declared but never used */
557
558 /* type_decl() types */
559 #define TYPE_ABSTRACT 1 /* type without variable */
560 #define TYPE_DIRECT 2 /* type with variable */
561
562 #define IO_BUF_SIZE 8192
563
564 typedef struct BufferedFile {
565 uint8_t *buf_ptr;
566 uint8_t *buf_end;
567 int fd;
568 struct BufferedFile *prev;
569 int line_num; /* current line number - here to simplify code */
570 int line_ref; /* tcc -E: last printed line */
571 int ifndef_macro; /* #ifndef macro / #endif search */
572 int ifndef_macro_saved; /* saved ifndef_macro */
573 int *ifdef_stack_ptr; /* ifdef_stack value at the start of the file */
574 int include_next_index; /* next search path */
575 char filename[1024]; /* filename */
576 char *true_filename; /* filename not modified by # line directive */
577 unsigned char unget[4];
578 unsigned char buffer[1]; /* extra size for CH_EOB char */
579 } BufferedFile;
580
581 #define CH_EOB '\\' /* end of buffer or '\0' char in file */
582 #define CH_EOF (-1) /* end of file */
583
584 /* used to record tokens */
585 typedef struct TokenString {
586 int *str;
587 int len;
588 int lastlen;
589 int allocated_len;
590 int last_line_num;
591 int save_line_num;
592 /* used to chain token-strings with begin/end_macro() */
593 struct TokenString *prev;
594 const int *prev_ptr;
595 char alloc;
596 } TokenString;
597
598 /* inline functions */
599 typedef struct InlineFunc {
600 TokenString *func_str;
601 Sym *sym;
602 char filename[1];
603 } InlineFunc;
604
605 /* include file cache, used to find files faster and also to eliminate
606 inclusion if the include file is protected by #ifndef ... #endif */
607 typedef struct CachedInclude {
608 int ifndef_macro;
609 int once;
610 int hash_next; /* -1 if none */
611 char filename[1]; /* path specified in #include */
612 } CachedInclude;
613
614 #define CACHED_INCLUDES_HASH_SIZE 32
615
616 #ifdef CONFIG_TCC_ASM
617 typedef struct ExprValue {
618 uint64_t v;
619 Sym *sym;
620 int pcrel;
621 } ExprValue;
622
623 #define MAX_ASM_OPERANDS 30
624 typedef struct ASMOperand {
625 int id; /* GCC 3 optional identifier (0 if number only supported */
626 char *constraint;
627 char asm_str[16]; /* computed asm string for operand */
628 SValue *vt; /* C value of the expression */
629 int ref_index; /* if >= 0, gives reference to a output constraint */
630 int input_index; /* if >= 0, gives reference to an input constraint */
631 int priority; /* priority, used to assign registers */
632 int reg; /* if >= 0, register number used for this operand */
633 int is_llong; /* true if double register value */
634 int is_memory; /* true if memory operand */
635 int is_rw; /* for '+' modifier */
636 } ASMOperand;
637 #endif
638
639 /* extra symbol attributes (not in symbol table) */
640 struct sym_attr {
641 unsigned got_offset;
642 unsigned plt_offset;
643 int plt_sym;
644 int dyn_index;
645 #ifdef TCC_TARGET_ARM
646 unsigned char plt_thumb_stub:1;
647 #endif
648 };
649
650 struct TCCState {
651
652 int verbose; /* if true, display some information during compilation */
653 int nostdinc; /* if true, no standard headers are added */
654 int nostdlib; /* if true, no standard libraries are added */
655 int nocommon; /* if true, do not use common symbols for .bss data */
656 int static_link; /* if true, static linking is performed */
657 int rdynamic; /* if true, all symbols are exported */
658 int symbolic; /* if true, resolve symbols in the current module first */
659 int alacarte_link; /* if true, only link in referenced objects from archive */
660
661 char *tcc_lib_path; /* CONFIG_TCCDIR or -B option */
662 char *soname; /* as specified on the command line (-soname) */
663 char *rpath; /* as specified on the command line (-Wl,-rpath=) */
664 int enable_new_dtags; /* ditto, (-Wl,--enable-new-dtags) */
665
666 /* output type, see TCC_OUTPUT_XXX */
667 int output_type;
668 /* output format, see TCC_OUTPUT_FORMAT_xxx */
669 int output_format;
670
671 /* C language options */
672 int char_is_unsigned;
673 int leading_underscore;
674 int ms_extensions; /* allow nested named struct w/o identifier behave like unnamed */
675 int dollars_in_identifiers; /* allows '$' char in identifiers */
676 int ms_bitfields; /* if true, emulate MS algorithm for aligning bitfields */
677
678 /* warning switches */
679 int warn_write_strings;
680 int warn_unsupported;
681 int warn_error;
682 int warn_none;
683 int warn_implicit_function_declaration;
684 int warn_gcc_compat;
685
686 /* compile with debug symbol (and use them if error during execution) */
687 int do_debug;
688 #ifdef CONFIG_TCC_BCHECK
689 /* compile with built-in memory and bounds checker */
690 int do_bounds_check;
691 #endif
692 #ifdef TCC_TARGET_ARM
693 enum float_abi float_abi; /* float ABI of the generated code*/
694 #endif
695 int run_test; /* nth test to run with -dt -run */
696
697 addr_t text_addr; /* address of text section */
698 int has_text_addr;
699
700 unsigned section_align; /* section alignment */
701
702 char *init_symbol; /* symbols to call at load-time (not used currently) */
703 char *fini_symbol; /* symbols to call at unload-time (not used currently) */
704
705 #ifdef TCC_TARGET_I386
706 int seg_size; /* 32. Can be 16 with i386 assembler (.code16) */
707 #endif
708 #ifdef TCC_TARGET_X86_64
709 int nosse; /* For -mno-sse support. */
710 #endif
711
712 /* array of all loaded dlls (including those referenced by loaded dlls) */
713 DLLReference **loaded_dlls;
714 int nb_loaded_dlls;
715
716 /* include paths */
717 char **include_paths;
718 int nb_include_paths;
719
720 char **sysinclude_paths;
721 int nb_sysinclude_paths;
722
723 /* library paths */
724 char **library_paths;
725 int nb_library_paths;
726
727 /* crt?.o object path */
728 char **crt_paths;
729 int nb_crt_paths;
730
731 /* -include files */
732 char **cmd_include_files;
733 int nb_cmd_include_files;
734
735 /* error handling */
736 void *error_opaque;
737 void (*error_func)(void *opaque, const char *msg);
738 int error_set_jmp_enabled;
739 jmp_buf error_jmp_buf;
740 int nb_errors;
741
742 /* output file for preprocessing (-E) */
743 FILE *ppfp;
744 enum {
745 LINE_MACRO_OUTPUT_FORMAT_GCC,
746 LINE_MACRO_OUTPUT_FORMAT_NONE,
747 LINE_MACRO_OUTPUT_FORMAT_STD,
748 LINE_MACRO_OUTPUT_FORMAT_P10 = 11
749 } Pflag; /* -P switch */
750 char dflag; /* -dX value */
751
752 /* for -MD/-MF: collected dependencies for this compilation */
753 char **target_deps;
754 int nb_target_deps;
755
756 /* compilation */
757 BufferedFile *include_stack[INCLUDE_STACK_SIZE];
758 BufferedFile **include_stack_ptr;
759
760 int ifdef_stack[IFDEF_STACK_SIZE];
761 int *ifdef_stack_ptr;
762
763 /* included files enclosed with #ifndef MACRO */
764 int cached_includes_hash[CACHED_INCLUDES_HASH_SIZE];
765 CachedInclude **cached_includes;
766 int nb_cached_includes;
767
768 /* #pragma pack stack */
769 int pack_stack[PACK_STACK_SIZE];
770 int *pack_stack_ptr;
771 char **pragma_libs;
772 int nb_pragma_libs;
773
774 /* inline functions are stored as token lists and compiled last
775 only if referenced */
776 struct InlineFunc **inline_fns;
777 int nb_inline_fns;
778
779 /* sections */
780 Section **sections;
781 int nb_sections; /* number of sections, including first dummy section */
782
783 Section **priv_sections;
784 int nb_priv_sections; /* number of private sections */
785
786 /* got & plt handling */
787 Section *got;
788 Section *plt;
789
790 /* temporary dynamic symbol sections (for dll loading) */
791 Section *dynsymtab_section;
792 /* exported dynamic symbol section */
793 Section *dynsym;
794 /* copy of the global symtab_section variable */
795 Section *symtab;
796 /* extra attributes (eg. GOT/PLT value) for symtab symbols */
797 struct sym_attr *sym_attrs;
798 int nb_sym_attrs;
799 /* tiny assembler state */
800 Sym *asm_labels;
801 ElfSym esym_dot;
802
803 #ifdef TCC_TARGET_PE
804 /* PE info */
805 int pe_subsystem;
806 unsigned pe_characteristics;
807 unsigned pe_file_align;
808 unsigned pe_stack_size;
809 # ifdef TCC_TARGET_X86_64
810 Section *uw_pdata;
811 int uw_sym;
812 unsigned uw_offs;
813 # endif
814 #endif
815
816 #ifdef TCC_IS_NATIVE
817 const char *runtime_main;
818 void **runtime_mem;
819 int nb_runtime_mem;
820 #endif
821
822 /* used by main and tcc_parse_args only */
823 struct filespec **files; /* files seen on command line */
824 int nb_files; /* number thereof */
825 int nb_libraries; /* number of libs thereof */
826 int filetype;
827 char *outfile; /* output filename */
828 int option_r; /* option -r */
829 int do_bench; /* option -bench */
830 int gen_deps; /* option -MD */
831 char *deps_outfile; /* option -MF */
832 int option_pthread; /* -pthread option */
833 int argc;
834 char **argv;
835 };
836
837 struct filespec {
838 char type;
839 char alacarte;
840 char name[1];
841 };
842
843 /* The current value can be: */
844 #define VT_VALMASK 0x003f /* mask for value location, register or: */
845 #define VT_CONST 0x0030 /* constant in vc (must be first non register value) */
846 #define VT_LLOCAL 0x0031 /* lvalue, offset on stack */
847 #define VT_LOCAL 0x0032 /* offset on stack */
848 #define VT_CMP 0x0033 /* the value is stored in processor flags (in vc) */
849 #define VT_JMP 0x0034 /* value is the consequence of jmp true (even) */
850 #define VT_JMPI 0x0035 /* value is the consequence of jmp false (odd) */
851 #define VT_LVAL 0x0100 /* var is an lvalue */
852 #define VT_SYM 0x0200 /* a symbol value is added */
853 #define VT_MUSTCAST 0x0400 /* value must be casted to be correct (used for
854 char/short stored in integer registers) */
855 #define VT_MUSTBOUND 0x0800 /* bound checking must be done before
856 dereferencing value */
857 #define VT_BOUNDED 0x8000 /* value is bounded. The address of the
858 bounding function call point is in vc */
859 #define VT_LVAL_BYTE 0x1000 /* lvalue is a byte */
860 #define VT_LVAL_SHORT 0x2000 /* lvalue is a short */
861 #define VT_LVAL_UNSIGNED 0x4000 /* lvalue is unsigned */
862 #define VT_LVAL_TYPE (VT_LVAL_BYTE | VT_LVAL_SHORT | VT_LVAL_UNSIGNED)
863
864 /* types */
865 #define VT_BTYPE 0x000f /* mask for basic type */
866 #define VT_VOID 0 /* void type */
867 #define VT_BYTE 1 /* signed byte type */
868 #define VT_SHORT 2 /* short type */
869 #define VT_INT 3 /* integer type */
870 #define VT_LLONG 4 /* 64 bit integer */
871 #define VT_PTR 5 /* pointer */
872 #define VT_FUNC 6 /* function type */
873 #define VT_STRUCT 7 /* struct/union definition */
874 #define VT_FLOAT 8 /* IEEE float */
875 #define VT_DOUBLE 9 /* IEEE double */
876 #define VT_LDOUBLE 10 /* IEEE long double */
877 #define VT_BOOL 11 /* ISOC99 boolean type */
878 #define VT_QLONG 13 /* 128-bit integer. Only used for x86-64 ABI */
879 #define VT_QFLOAT 14 /* 128-bit float. Only used for x86-64 ABI */
880
881 #define VT_UNSIGNED 0x0010 /* unsigned type */
882 #define VT_DEFSIGN 0x0020 /* explicitly signed or unsigned */
883 #define VT_ARRAY 0x0040 /* array type (also has VT_PTR) */
884 #define VT_BITFIELD 0x0080 /* bitfield modifier */
885 #define VT_CONSTANT 0x0100 /* const modifier */
886 #define VT_VOLATILE 0x0200 /* volatile modifier */
887 #define VT_VLA 0x0400 /* VLA type (also has VT_PTR and VT_ARRAY) */
888 #define VT_LONG 0x0800 /* long type (also has VT_INT rsp. VT_LLONG) */
889
890 /* storage */
891 #define VT_EXTERN 0x00001000 /* extern definition */
892 #define VT_STATIC 0x00002000 /* static variable */
893 #define VT_TYPEDEF 0x00004000 /* typedef definition */
894 #define VT_INLINE 0x00008000 /* inline definition */
895 /* currently unused: 0x000[1248]0000 */
896
897 #define VT_STRUCT_SHIFT 20 /* shift for bitfield shift values (32 - 2*6) */
898 #define VT_STRUCT_MASK (((1 << (6+6)) - 1) << VT_STRUCT_SHIFT | VT_BITFIELD)
899 #define BIT_POS(t) (((t) >> VT_STRUCT_SHIFT) & 0x3f)
900 #define BIT_SIZE(t) (((t) >> (VT_STRUCT_SHIFT + 6)) & 0x3f)
901
902 #define VT_UNION (1 << VT_STRUCT_SHIFT | VT_STRUCT)
903 #define VT_ENUM (2 << VT_STRUCT_SHIFT) /* integral type is an enum really */
904 #define VT_ENUM_VAL (3 << VT_STRUCT_SHIFT) /* integral type is an enum constant really */
905
906 #define IS_ENUM(t) ((t & VT_STRUCT_MASK) == VT_ENUM)
907 #define IS_ENUM_VAL(t) ((t & VT_STRUCT_MASK) == VT_ENUM_VAL)
908 #define IS_UNION(t) ((t & (VT_STRUCT_MASK|VT_BTYPE)) == VT_UNION)
909
910 /* type mask (except storage) */
911 #define VT_STORAGE (VT_EXTERN | VT_STATIC | VT_TYPEDEF | VT_INLINE)
912 #define VT_TYPE (~(VT_STORAGE|VT_STRUCT_MASK))
913
914 /* token values */
915
916 /* warning: the following compare tokens depend on i386 asm code */
917 #define TOK_ULT 0x92
918 #define TOK_UGE 0x93
919 #define TOK_EQ 0x94
920 #define TOK_NE 0x95
921 #define TOK_ULE 0x96
922 #define TOK_UGT 0x97
923 #define TOK_Nset 0x98
924 #define TOK_Nclear 0x99
925 #define TOK_LT 0x9c
926 #define TOK_GE 0x9d
927 #define TOK_LE 0x9e
928 #define TOK_GT 0x9f
929
930 #define TOK_LAND 0xa0
931 #define TOK_LOR 0xa1
932 #define TOK_DEC 0xa2
933 #define TOK_MID 0xa3 /* inc/dec, to void constant */
934 #define TOK_INC 0xa4
935 #define TOK_UDIV 0xb0 /* unsigned division */
936 #define TOK_UMOD 0xb1 /* unsigned modulo */
937 #define TOK_PDIV 0xb2 /* fast division with undefined rounding for pointers */
938
939 /* tokens that carry values (in additional token string space / tokc) --> */
940 #define TOK_CCHAR 0xb3 /* char constant in tokc */
941 #define TOK_LCHAR 0xb4
942 #define TOK_CINT 0xb5 /* number in tokc */
943 #define TOK_CUINT 0xb6 /* unsigned int constant */
944 #define TOK_CLLONG 0xb7 /* long long constant */
945 #define TOK_CULLONG 0xb8 /* unsigned long long constant */
946 #define TOK_STR 0xb9 /* pointer to string in tokc */
947 #define TOK_LSTR 0xba
948 #define TOK_CFLOAT 0xbb /* float constant */
949 #define TOK_CDOUBLE 0xbc /* double constant */
950 #define TOK_CLDOUBLE 0xbd /* long double constant */
951 #define TOK_PPNUM 0xbe /* preprocessor number */
952 #define TOK_PPSTR 0xbf /* preprocessor string */
953 #define TOK_LINENUM 0xc0 /* line number info */
954 #define TOK_TWODOTS 0xa8 /* C++ token ? */
955 /* <-- */
956
957 #define TOK_UMULL 0xc2 /* unsigned 32x32 -> 64 mul */
958 #define TOK_ADDC1 0xc3 /* add with carry generation */
959 #define TOK_ADDC2 0xc4 /* add with carry use */
960 #define TOK_SUBC1 0xc5 /* add with carry generation */
961 #define TOK_SUBC2 0xc6 /* add with carry use */
962 #define TOK_ARROW 0xc7
963 #define TOK_DOTS 0xc8 /* three dots */
964 #define TOK_SHR 0xc9 /* unsigned shift right */
965 #define TOK_TWOSHARPS 0xca /* ## preprocessing token */
966 #define TOK_PLCHLDR 0xcb /* placeholder token as defined in C99 */
967 #define TOK_NOSUBST 0xcc /* means following token has already been pp'd */
968 #define TOK_PPJOIN 0xcd /* A '##' in the right position to mean pasting */
969 #define TOK_CLONG 0xce /* long constant */
970 #define TOK_CULONG 0xcf /* unsigned long constant */
971
972 #define TOK_SHL 0x01 /* shift left */
973 #define TOK_SAR 0x02 /* signed shift right */
974
975 /* assignment operators : normal operator or 0x80 */
976 #define TOK_A_MOD 0xa5
977 #define TOK_A_AND 0xa6
978 #define TOK_A_MUL 0xaa
979 #define TOK_A_ADD 0xab
980 #define TOK_A_SUB 0xad
981 #define TOK_A_DIV 0xaf
982 #define TOK_A_XOR 0xde
983 #define TOK_A_OR 0xfc
984 #define TOK_A_SHL 0x81
985 #define TOK_A_SAR 0x82
986
987 #define TOK_EOF (-1) /* end of file */
988 #define TOK_LINEFEED 10 /* line feed */
989
990 /* all identifiers and strings have token above that */
991 #define TOK_IDENT 256
992
993 #define DEF_ASM(x) DEF(TOK_ASM_ ## x, #x)
994 #define TOK_ASM_int TOK_INT
995 #define DEF_ASMDIR(x) DEF(TOK_ASMDIR_ ## x, "." #x)
996 #define TOK_ASMDIR_FIRST TOK_ASMDIR_byte
997 #define TOK_ASMDIR_LAST TOK_ASMDIR_section
998
999 #if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
1000 /* only used for i386 asm opcodes definitions */
1001 #define DEF_BWL(x) \
1002 DEF(TOK_ASM_ ## x ## b, #x "b") \
1003 DEF(TOK_ASM_ ## x ## w, #x "w") \
1004 DEF(TOK_ASM_ ## x ## l, #x "l") \
1005 DEF(TOK_ASM_ ## x, #x)
1006 #define DEF_WL(x) \
1007 DEF(TOK_ASM_ ## x ## w, #x "w") \
1008 DEF(TOK_ASM_ ## x ## l, #x "l") \
1009 DEF(TOK_ASM_ ## x, #x)
1010 #ifdef TCC_TARGET_X86_64
1011 # define DEF_BWLQ(x) \
1012 DEF(TOK_ASM_ ## x ## b, #x "b") \
1013 DEF(TOK_ASM_ ## x ## w, #x "w") \
1014 DEF(TOK_ASM_ ## x ## l, #x "l") \
1015 DEF(TOK_ASM_ ## x ## q, #x "q") \
1016 DEF(TOK_ASM_ ## x, #x)
1017 # define DEF_WLQ(x) \
1018 DEF(TOK_ASM_ ## x ## w, #x "w") \
1019 DEF(TOK_ASM_ ## x ## l, #x "l") \
1020 DEF(TOK_ASM_ ## x ## q, #x "q") \
1021 DEF(TOK_ASM_ ## x, #x)
1022 # define DEF_BWLX DEF_BWLQ
1023 # define DEF_WLX DEF_WLQ
1024 /* number of sizes + 1 */
1025 # define NBWLX 5
1026 #else
1027 # define DEF_BWLX DEF_BWL
1028 # define DEF_WLX DEF_WL
1029 /* number of sizes + 1 */
1030 # define NBWLX 4
1031 #endif
1032
1033 #define DEF_FP1(x) \
1034 DEF(TOK_ASM_ ## f ## x ## s, "f" #x "s") \
1035 DEF(TOK_ASM_ ## fi ## x ## l, "fi" #x "l") \
1036 DEF(TOK_ASM_ ## f ## x ## l, "f" #x "l") \
1037 DEF(TOK_ASM_ ## fi ## x ## s, "fi" #x "s")
1038
1039 #define DEF_FP(x) \
1040 DEF(TOK_ASM_ ## f ## x, "f" #x ) \
1041 DEF(TOK_ASM_ ## f ## x ## p, "f" #x "p") \
1042 DEF_FP1(x)
1043
1044 #define DEF_ASMTEST(x,suffix) \
1045 DEF_ASM(x ## o ## suffix) \
1046 DEF_ASM(x ## no ## suffix) \
1047 DEF_ASM(x ## b ## suffix) \
1048 DEF_ASM(x ## c ## suffix) \
1049 DEF_ASM(x ## nae ## suffix) \
1050 DEF_ASM(x ## nb ## suffix) \
1051 DEF_ASM(x ## nc ## suffix) \
1052 DEF_ASM(x ## ae ## suffix) \
1053 DEF_ASM(x ## e ## suffix) \
1054 DEF_ASM(x ## z ## suffix) \
1055 DEF_ASM(x ## ne ## suffix) \
1056 DEF_ASM(x ## nz ## suffix) \
1057 DEF_ASM(x ## be ## suffix) \
1058 DEF_ASM(x ## na ## suffix) \
1059 DEF_ASM(x ## nbe ## suffix) \
1060 DEF_ASM(x ## a ## suffix) \
1061 DEF_ASM(x ## s ## suffix) \
1062 DEF_ASM(x ## ns ## suffix) \
1063 DEF_ASM(x ## p ## suffix) \
1064 DEF_ASM(x ## pe ## suffix) \
1065 DEF_ASM(x ## np ## suffix) \
1066 DEF_ASM(x ## po ## suffix) \
1067 DEF_ASM(x ## l ## suffix) \
1068 DEF_ASM(x ## nge ## suffix) \
1069 DEF_ASM(x ## nl ## suffix) \
1070 DEF_ASM(x ## ge ## suffix) \
1071 DEF_ASM(x ## le ## suffix) \
1072 DEF_ASM(x ## ng ## suffix) \
1073 DEF_ASM(x ## nle ## suffix) \
1074 DEF_ASM(x ## g ## suffix)
1075
1076 #endif /* defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64 */
1077
1078 enum tcc_token {
1079 TOK_LAST = TOK_IDENT - 1
1080 #define DEF(id, str) ,id
1081 #include "tcctok.h"
1082 #undef DEF
1083 };
1084
1085 /* keywords: tok >= TOK_IDENT && tok < TOK_UIDENT */
1086 #define TOK_UIDENT TOK_DEFINE
1087
1088 /* ------------ libtcc.c ------------ */
1089
1090 /* use GNU C extensions */
1091 ST_DATA int gnu_ext;
1092 /* use Tiny C extensions */
1093 ST_DATA int tcc_ext;
1094 /* XXX: get rid of this ASAP */
1095 ST_DATA struct TCCState *tcc_state;
1096
1097 /* public functions currently used by the tcc main function */
1098 ST_FUNC char *pstrcpy(char *buf, int buf_size, const char *s);
1099 ST_FUNC char *pstrcat(char *buf, int buf_size, const char *s);
1100 ST_FUNC char *pstrncpy(char *out, const char *in, size_t num);
1101 PUB_FUNC char *tcc_basename(const char *name);
1102 PUB_FUNC char *tcc_fileextension (const char *name);
1103
1104 #ifndef MEM_DEBUG
1105 PUB_FUNC void tcc_free(void *ptr);
1106 PUB_FUNC void *tcc_malloc(unsigned long size);
1107 PUB_FUNC void *tcc_mallocz(unsigned long size);
1108 PUB_FUNC void *tcc_realloc(void *ptr, unsigned long size);
1109 PUB_FUNC char *tcc_strdup(const char *str);
1110 #else
1111 #define tcc_free(ptr) tcc_free_debug(ptr)
1112 #define tcc_malloc(size) tcc_malloc_debug(size, __FILE__, __LINE__)
1113 #define tcc_mallocz(size) tcc_mallocz_debug(size, __FILE__, __LINE__)
1114 #define tcc_realloc(ptr,size) tcc_realloc_debug(ptr, size, __FILE__, __LINE__)
1115 #define tcc_strdup(str) tcc_strdup_debug(str, __FILE__, __LINE__)
1116 PUB_FUNC void tcc_free_debug(void *ptr);
1117 PUB_FUNC void *tcc_malloc_debug(unsigned long size, const char *file, int line);
1118 PUB_FUNC void *tcc_mallocz_debug(unsigned long size, const char *file, int line);
1119 PUB_FUNC void *tcc_realloc_debug(void *ptr, unsigned long size, const char *file, int line);
1120 PUB_FUNC char *tcc_strdup_debug(const char *str, const char *file, int line);
1121 #endif
1122
1123 #define free(p) use_tcc_free(p)
1124 #define malloc(s) use_tcc_malloc(s)
1125 #define realloc(p, s) use_tcc_realloc(p, s)
1126 #undef strdup
1127 #define strdup(s) use_tcc_strdup(s)
1128 PUB_FUNC void tcc_memcheck(void);
1129 PUB_FUNC void tcc_error_noabort(const char *fmt, ...);
1130 PUB_FUNC NORETURN void tcc_error(const char *fmt, ...);
1131 PUB_FUNC void tcc_warning(const char *fmt, ...);
1132
1133 /* other utilities */
1134 ST_FUNC void dynarray_add(void *ptab, int *nb_ptr, void *data);
1135 ST_FUNC void dynarray_reset(void *pp, int *n);
1136 ST_INLN void cstr_ccat(CString *cstr, int ch);
1137 ST_FUNC void cstr_cat(CString *cstr, const char *str, int len);
1138 ST_FUNC void cstr_wccat(CString *cstr, int ch);
1139 ST_FUNC void cstr_new(CString *cstr);
1140 ST_FUNC void cstr_free(CString *cstr);
1141 ST_FUNC void cstr_reset(CString *cstr);
1142
1143 ST_INLN void sym_free(Sym *sym);
1144 ST_FUNC Sym *sym_push2(Sym **ps, int v, int t, int c);
1145 ST_FUNC Sym *sym_find2(Sym *s, int v);
1146 ST_FUNC Sym *sym_push(int v, CType *type, int r, int c);
1147 ST_FUNC void sym_pop(Sym **ptop, Sym *b, int keep);
1148 ST_INLN Sym *struct_find(int v);
1149 ST_INLN Sym *sym_find(int v);
1150 ST_FUNC Sym *global_identifier_push_1(Sym **, int v, int t, int c);
1151
1152 ST_FUNC void tcc_open_bf(TCCState *s1, const char *filename, int initlen);
1153 ST_FUNC int tcc_open(TCCState *s1, const char *filename);
1154 ST_FUNC void tcc_close(void);
1155
1156 ST_FUNC int tcc_add_file_internal(TCCState *s1, const char *filename, int flags);
1157 /* flags: */
1158 #define AFF_PRINT_ERROR 0x10 /* print error if file not found */
1159 #define AFF_REFERENCED_DLL 0x20 /* load a referenced dll from another dll */
1160 #define AFF_TYPE_BIN 0x40 /* file to add is binary */
1161 /* s->filetype: */
1162 #define AFF_TYPE_NONE 0
1163 #define AFF_TYPE_C 1
1164 #define AFF_TYPE_ASM 2
1165 #define AFF_TYPE_ASMPP 3
1166 #define AFF_TYPE_LIB 4
1167 /* values from tcc_object_type(...) */
1168 #define AFF_BINTYPE_REL 1
1169 #define AFF_BINTYPE_DYN 2
1170 #define AFF_BINTYPE_AR 3
1171 #define AFF_BINTYPE_C67 4
1172
1173
1174 ST_FUNC int tcc_add_crt(TCCState *s, const char *filename);
1175 ST_FUNC int tcc_add_dll(TCCState *s, const char *filename, int flags);
1176 ST_FUNC void tcc_add_pragma_libs(TCCState *s1);
1177 PUB_FUNC int tcc_add_library_err(TCCState *s, const char *f);
1178 PUB_FUNC void tcc_print_stats(TCCState *s, unsigned total_time);
1179 PUB_FUNC int tcc_parse_args(TCCState *s, int *argc, char ***argv, int optind);
1180 #ifdef _WIN32
1181 ST_FUNC char *normalize_slashes(char *path);
1182 #endif
1183
1184 /* tcc_parse_args return codes: */
1185 #define OPT_HELP 1
1186 #define OPT_HELP2 2
1187 #define OPT_V 3
1188 #define OPT_PRINT_DIRS 4
1189 #define OPT_AR 5
1190 #define OPT_IMPDEF 6
1191 #define OPT_M32 32
1192 #define OPT_M64 64
1193
1194 /* ------------ tccpp.c ------------ */
1195
1196 ST_DATA struct BufferedFile *file;
1197 ST_DATA int ch, tok;
1198 ST_DATA CValue tokc;
1199 ST_DATA const int *macro_ptr;
1200 ST_DATA int parse_flags;
1201 ST_DATA int tok_flags;
1202 ST_DATA CString tokcstr; /* current parsed string, if any */
1203
1204 /* display benchmark infos */
1205 ST_DATA int total_lines;
1206 ST_DATA int total_bytes;
1207 ST_DATA int tok_ident;
1208 ST_DATA TokenSym **table_ident;
1209
1210 #define TOK_FLAG_BOL 0x0001 /* beginning of line before */
1211 #define TOK_FLAG_BOF 0x0002 /* beginning of file before */
1212 #define TOK_FLAG_ENDIF 0x0004 /* a endif was found matching starting #ifdef */
1213 #define TOK_FLAG_EOF 0x0008 /* end of file */
1214
1215 #define PARSE_FLAG_PREPROCESS 0x0001 /* activate preprocessing */
1216 #define PARSE_FLAG_TOK_NUM 0x0002 /* return numbers instead of TOK_PPNUM */
1217 #define PARSE_FLAG_LINEFEED 0x0004 /* line feed is returned as a
1218 token. line feed is also
1219 returned at eof */
1220 #define PARSE_FLAG_ASM_FILE 0x0008 /* we processing an asm file: '#' can be used for line comment, etc. */
1221 #define PARSE_FLAG_SPACES 0x0010 /* next() returns space tokens (for -E) */
1222 #define PARSE_FLAG_ACCEPT_STRAYS 0x0020 /* next() returns '\\' token */
1223 #define PARSE_FLAG_TOK_STR 0x0040 /* return parsed strings instead of TOK_PPSTR */
1224
1225 /* isidnum_table flags: */
1226 #define IS_SPC 1
1227 #define IS_ID 2
1228 #define IS_NUM 4
1229
1230 ST_FUNC TokenSym *tok_alloc(const char *str, int len);
1231 ST_FUNC const char *get_tok_str(int v, CValue *cv);
1232 ST_FUNC void begin_macro(TokenString *str, int alloc);
1233 ST_FUNC void end_macro(void);
1234 ST_FUNC int set_idnum(int c, int val);
1235 ST_INLN void tok_str_new(TokenString *s);
1236 ST_FUNC TokenString *tok_str_alloc(void);
1237 ST_FUNC void tok_str_free(TokenString *s);
1238 ST_FUNC void tok_str_free_str(int *str);
1239 ST_FUNC void tok_str_add(TokenString *s, int t);
1240 ST_FUNC void tok_str_add_tok(TokenString *s);
1241 ST_INLN void define_push(int v, int macro_type, int *str, Sym *first_arg);
1242 ST_FUNC void define_undef(Sym *s);
1243 ST_INLN Sym *define_find(int v);
1244 ST_FUNC void free_defines(Sym *b);
1245 ST_FUNC Sym *label_find(int v);
1246 ST_FUNC Sym *label_push(Sym **ptop, int v, int flags);
1247 ST_FUNC void label_pop(Sym **ptop, Sym *slast, int keep);
1248 ST_FUNC void parse_define(void);
1249 ST_FUNC void preprocess(int is_bof);
1250 ST_FUNC void next_nomacro(void);
1251 ST_FUNC void next(void);
1252 ST_INLN void unget_tok(int last_tok);
1253 ST_FUNC void preprocess_start(TCCState *s1, int is_asm);
1254 ST_FUNC void preprocess_end(TCCState *s1);
1255 ST_FUNC void tccpp_new(TCCState *s);
1256 ST_FUNC void tccpp_delete(TCCState *s);
1257 ST_FUNC int tcc_preprocess(TCCState *s1);
1258 ST_FUNC void skip(int c);
1259 ST_FUNC NORETURN void expect(const char *msg);
1260
1261 /* space excluding newline */
1262 static inline int is_space(int ch) {
1263 return ch == ' ' || ch == '\t' || ch == '\v' || ch == '\f' || ch == '\r';
1264 }
1265 static inline int isid(int c) {
1266 return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || c == '_';
1267 }
1268 static inline int isnum(int c) {
1269 return c >= '0' && c <= '9';
1270 }
1271 static inline int isoct(int c) {
1272 return c >= '0' && c <= '7';
1273 }
1274 static inline int toup(int c) {
1275 return (c >= 'a' && c <= 'z') ? c - 'a' + 'A' : c;
1276 }
1277
1278 /* ------------ tccgen.c ------------ */
1279
1280 #define SYM_POOL_NB (8192 / sizeof(Sym))
1281 ST_DATA Sym *sym_free_first;
1282 ST_DATA void **sym_pools;
1283 ST_DATA int nb_sym_pools;
1284
1285 ST_DATA Sym *global_stack;
1286 ST_DATA Sym *local_stack;
1287 ST_DATA Sym *local_label_stack;
1288 ST_DATA Sym *global_label_stack;
1289 ST_DATA Sym *define_stack;
1290 ST_DATA CType char_pointer_type, func_old_type, int_type, size_type;
1291 ST_DATA SValue __vstack[1+/*to make bcheck happy*/ VSTACK_SIZE], *vtop, *pvtop;
1292 #define vstack (__vstack + 1)
1293 ST_DATA int rsym, anon_sym, ind, loc;
1294
1295 ST_DATA int const_wanted; /* true if constant wanted */
1296 ST_DATA int nocode_wanted; /* true if no code generation wanted for an expression */
1297 ST_DATA int global_expr; /* true if compound literals must be allocated globally (used during initializers parsing */
1298 ST_DATA CType func_vt; /* current function return type (used by return instruction) */
1299 ST_DATA int func_var; /* true if current function is variadic */
1300 ST_DATA int func_vc;
1301 ST_DATA int last_line_num, last_ind, func_ind; /* debug last line number and pc */
1302 ST_DATA const char *funcname;
1303 ST_DATA int g_debug;
1304
1305 ST_FUNC void tcc_debug_start(TCCState *s1);
1306 ST_FUNC void tcc_debug_end(TCCState *s1);
1307 ST_FUNC void tcc_debug_funcstart(TCCState *s1, Sym *sym);
1308 ST_FUNC void tcc_debug_funcend(TCCState *s1, int size);
1309 ST_FUNC void tcc_debug_line(TCCState *s1);
1310
1311 ST_FUNC int tccgen_compile(TCCState *s1);
1312 ST_FUNC void free_inline_functions(TCCState *s);
1313 ST_FUNC void check_vstack(void);
1314
1315 ST_INLN int is_float(int t);
1316 ST_FUNC int ieee_finite(double d);
1317 ST_FUNC void test_lvalue(void);
1318 ST_FUNC void vpushi(int v);
1319 ST_FUNC ElfSym *elfsym(Sym *);
1320 ST_FUNC Sym *external_global_sym(int v, CType *type, int r);
1321 ST_FUNC void vset(CType *type, int r, int v);
1322 ST_FUNC void vswap(void);
1323 ST_FUNC void vpush_global_sym(CType *type, int v);
1324 ST_FUNC void vrote(SValue *e, int n);
1325 ST_FUNC void vrott(int n);
1326 ST_FUNC void vrotb(int n);
1327 #ifdef TCC_TARGET_ARM
1328 ST_FUNC int get_reg_ex(int rc, int rc2);
1329 ST_FUNC void lexpand_nr(void);
1330 #endif
1331 ST_FUNC void vpushv(SValue *v);
1332 ST_FUNC void save_reg(int r);
1333 ST_FUNC void save_reg_upstack(int r, int n);
1334 ST_FUNC int get_reg(int rc);
1335 ST_FUNC void save_regs(int n);
1336 ST_FUNC void gaddrof(void);
1337 ST_FUNC int gv(int rc);
1338 ST_FUNC void gv2(int rc1, int rc2);
1339 ST_FUNC void vpop(void);
1340 ST_FUNC void gen_op(int op);
1341 ST_FUNC int type_size(CType *type, int *a);
1342 ST_FUNC void mk_pointer(CType *type);
1343 ST_FUNC void vstore(void);
1344 ST_FUNC void inc(int post, int c);
1345 ST_FUNC void parse_mult_str (CString *astr, const char *msg);
1346 ST_FUNC void parse_asm_str(CString *astr);
1347 ST_FUNC int lvalue_type(int t);
1348 ST_FUNC void indir(void);
1349 ST_FUNC void unary(void);
1350 ST_FUNC void expr_prod(void);
1351 ST_FUNC void expr_sum(void);
1352 ST_FUNC void gexpr(void);
1353 ST_FUNC int expr_const(void);
1354 #if defined CONFIG_TCC_BCHECK || defined TCC_TARGET_C67
1355 ST_FUNC Sym *get_sym_ref(CType *type, Section *sec, unsigned long offset, unsigned long size);
1356 #endif
1357 #if defined TCC_TARGET_X86_64 && !defined TCC_TARGET_PE
1358 ST_FUNC int classify_x86_64_va_arg(CType *ty);
1359 #endif
1360
1361 /* ------------ tccelf.c ------------ */
1362
1363 #define TCC_OUTPUT_FORMAT_ELF 0 /* default output format: ELF */
1364 #define TCC_OUTPUT_FORMAT_BINARY 1 /* binary image output */
1365 #define TCC_OUTPUT_FORMAT_COFF 2 /* COFF */
1366
1367 #define ARMAG "!<arch>\012" /* For COFF and a.out archives */
1368
1369 typedef struct {
1370 unsigned int n_strx; /* index into string table of name */
1371 unsigned char n_type; /* type of symbol */
1372 unsigned char n_other; /* misc info (usually empty) */
1373 unsigned short n_desc; /* description field */
1374 unsigned int n_value; /* value of symbol */
1375 } Stab_Sym;
1376
1377 ST_DATA Section *text_section, *data_section, *bss_section; /* predefined sections */
1378 ST_DATA Section *common_section;
1379 ST_DATA Section *cur_text_section; /* current section where function code is generated */
1380 #ifdef CONFIG_TCC_ASM
1381 ST_DATA Section *last_text_section; /* to handle .previous asm directive */
1382 #endif
1383 #ifdef CONFIG_TCC_BCHECK
1384 /* bound check related sections */
1385 ST_DATA Section *bounds_section; /* contains global data bound description */
1386 ST_DATA Section *lbounds_section; /* contains local data bound description */
1387 ST_FUNC void tccelf_bounds_new(TCCState *s);
1388 #endif
1389 /* symbol sections */
1390 ST_DATA Section *symtab_section, *strtab_section;
1391 /* debug sections */
1392 ST_DATA Section *stab_section, *stabstr_section;
1393
1394 ST_FUNC void tccelf_new(TCCState *s);
1395 ST_FUNC void tccelf_delete(TCCState *s);
1396 ST_FUNC void tccelf_stab_new(TCCState *s);
1397
1398 ST_FUNC Section *new_section(TCCState *s1, const char *name, int sh_type, int sh_flags);
1399 ST_FUNC void section_realloc(Section *sec, unsigned long new_size);
1400 ST_FUNC size_t section_add(Section *sec, addr_t size, int align);
1401 ST_FUNC void *section_ptr_add(Section *sec, addr_t size);
1402 ST_FUNC void section_reserve(Section *sec, unsigned long size);
1403 ST_FUNC Section *find_section(TCCState *s1, const char *name);
1404 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);
1405
1406 ST_FUNC void put_extern_sym2(Sym *sym, Section *section, addr_t value, unsigned long size, int can_add_underscore);
1407 ST_FUNC void put_extern_sym(Sym *sym, Section *section, addr_t value, unsigned long size);
1408 #if PTR_SIZE == 4
1409 ST_FUNC void greloc(Section *s, Sym *sym, unsigned long offset, int type);
1410 #endif
1411 ST_FUNC void greloca(Section *s, Sym *sym, unsigned long offset, int type, addr_t addend);
1412
1413 ST_FUNC int put_elf_str(Section *s, const char *sym);
1414 ST_FUNC int put_elf_sym(Section *s, addr_t value, unsigned long size, int info, int other, int shndx, const char *name);
1415 ST_FUNC int set_elf_sym(Section *s, addr_t value, unsigned long size, int info, int other, int shndx, const char *name);
1416 ST_FUNC int find_elf_sym(Section *s, const char *name);
1417 ST_FUNC void put_elf_reloc(Section *symtab, Section *s, unsigned long offset, int type, int symbol);
1418 ST_FUNC void put_elf_reloca(Section *symtab, Section *s, unsigned long offset, int type, int symbol, addr_t addend);
1419
1420 ST_FUNC void put_stabs(const char *str, int type, int other, int desc, unsigned long value);
1421 ST_FUNC void put_stabs_r(const char *str, int type, int other, int desc, unsigned long value, Section *sec, int sym_index);
1422 ST_FUNC void put_stabn(int type, int other, int desc, int value);
1423 ST_FUNC void put_stabd(int type, int other, int desc);
1424
1425 ST_FUNC void relocate_common_syms(void);
1426 ST_FUNC void relocate_syms(TCCState *s1, Section *symtab, int do_resolve);
1427 ST_FUNC void relocate_section(TCCState *s1, Section *s);
1428
1429 ST_FUNC void tcc_add_linker_symbols(TCCState *s1);
1430 ST_FUNC int tcc_object_type(int fd, ElfW(Ehdr) *h);
1431 ST_FUNC int tcc_load_object_file(TCCState *s1, int fd, unsigned long file_offset);
1432 ST_FUNC int tcc_load_archive(TCCState *s1, int fd);
1433 ST_FUNC void tcc_add_bcheck(TCCState *s1);
1434 ST_FUNC void tcc_add_runtime(TCCState *s1);
1435
1436 ST_FUNC void build_got_entries(TCCState *s1);
1437 ST_FUNC struct sym_attr *get_sym_attr(TCCState *s1, int index, int alloc);
1438 ST_FUNC void squeeze_multi_relocs(Section *sec, size_t oldrelocoffset);
1439
1440 ST_FUNC addr_t get_elf_sym_addr(TCCState *s, const char *name, int err);
1441 #if defined TCC_IS_NATIVE || defined TCC_TARGET_PE
1442 ST_FUNC void *tcc_get_symbol_err(TCCState *s, const char *name);
1443 #endif
1444
1445 #ifndef TCC_TARGET_PE
1446 ST_FUNC int tcc_load_dll(TCCState *s1, int fd, const char *filename, int level);
1447 ST_FUNC int tcc_load_ldscript(TCCState *s1);
1448 ST_FUNC uint8_t *parse_comment(uint8_t *p);
1449 ST_FUNC void minp(void);
1450 ST_INLN void inp(void);
1451 ST_FUNC int handle_eob(void);
1452 #endif
1453
1454 /* ------------ xxx-link.c ------------ */
1455
1456 /* Whether to generate a GOT/PLT entry and when. NO_GOTPLT_ENTRY is first so
1457 that unknown relocation don't create a GOT or PLT entry */
1458 enum gotplt_entry {
1459 NO_GOTPLT_ENTRY, /* never generate (eg. GLOB_DAT & JMP_SLOT relocs) */
1460 BUILD_GOT_ONLY, /* only build GOT (eg. TPOFF relocs) */
1461 AUTO_GOTPLT_ENTRY, /* generate if sym is UNDEF */
1462 ALWAYS_GOTPLT_ENTRY /* always generate (eg. PLTOFF relocs) */
1463 };
1464
1465 ST_FUNC int code_reloc (int reloc_type);
1466 ST_FUNC int gotplt_entry_type (int reloc_type);
1467 ST_FUNC unsigned create_plt_entry(TCCState *s1, unsigned got_offset, struct sym_attr *attr);
1468 ST_FUNC void relocate_init(Section *sr);
1469 ST_FUNC void relocate(TCCState *s1, ElfW_Rel *rel, int type, unsigned char *ptr, addr_t addr, addr_t val);
1470 ST_FUNC void relocate_plt(TCCState *s1);
1471
1472 /* ------------ xxx-gen.c ------------ */
1473
1474 ST_DATA const int reg_classes[NB_REGS];
1475
1476 ST_FUNC void gsym_addr(int t, int a);
1477 ST_FUNC void gsym(int t);
1478 ST_FUNC void load(int r, SValue *sv);
1479 ST_FUNC void store(int r, SValue *v);
1480 ST_FUNC int gfunc_sret(CType *vt, int variadic, CType *ret, int *align, int *regsize);
1481 ST_FUNC void gfunc_call(int nb_args);
1482 ST_FUNC void gfunc_prolog(CType *func_type);
1483 ST_FUNC void gfunc_epilog(void);
1484 ST_FUNC int gjmp(int t);
1485 ST_FUNC void gjmp_addr(int a);
1486 ST_FUNC int gtst(int inv, int t);
1487 #if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
1488 ST_FUNC void gtst_addr(int inv, int a);
1489 #else
1490 #define gtst_addr(inv, a) gsym_addr(gtst(inv, 0), a)
1491 #endif
1492 ST_FUNC void gen_opi(int op);
1493 ST_FUNC void gen_opf(int op);
1494 ST_FUNC void gen_cvt_ftoi(int t);
1495 ST_FUNC void gen_cvt_ftof(int t);
1496 ST_FUNC void ggoto(void);
1497 #ifndef TCC_TARGET_C67
1498 ST_FUNC void o(unsigned int c);
1499 #endif
1500 #ifndef TCC_TARGET_ARM
1501 ST_FUNC void gen_cvt_itof(int t);
1502 #endif
1503 ST_FUNC void gen_vla_sp_save(int addr);
1504 ST_FUNC void gen_vla_sp_restore(int addr);
1505 ST_FUNC void gen_vla_alloc(CType *type, int align);
1506
1507 static inline uint16_t read16le(unsigned char *p) {
1508 return p[0] | (uint16_t)p[1] << 8;
1509 }
1510 static inline void write16le(unsigned char *p, uint16_t x) {
1511 p[0] = x & 255; p[1] = x >> 8 & 255;
1512 }
1513 static inline uint32_t read32le(unsigned char *p) {
1514 return read16le(p) | (uint32_t)read16le(p + 2) << 16;
1515 }
1516 static inline void write32le(unsigned char *p, uint32_t x) {
1517 write16le(p, x); write16le(p + 2, x >> 16);
1518 }
1519 static inline void add32le(unsigned char *p, int32_t x) {
1520 write32le(p, read32le(p) + x);
1521 }
1522 static inline uint64_t read64le(unsigned char *p) {
1523 return read32le(p) | (uint64_t)read32le(p + 4) << 32;
1524 }
1525 static inline void write64le(unsigned char *p, uint64_t x) {
1526 write32le(p, x); write32le(p + 4, x >> 32);
1527 }
1528 static inline void add64le(unsigned char *p, int64_t x) {
1529 write64le(p, read64le(p) + x);
1530 }
1531
1532 /* ------------ i386-gen.c ------------ */
1533 #if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
1534 ST_FUNC void g(int c);
1535 ST_FUNC void gen_le16(int c);
1536 ST_FUNC void gen_le32(int c);
1537 ST_FUNC void gen_addr32(int r, Sym *sym, int c);
1538 ST_FUNC void gen_addrpc32(int r, Sym *sym, int c);
1539 #endif
1540
1541 #ifdef CONFIG_TCC_BCHECK
1542 ST_FUNC void gen_bounded_ptr_add(void);
1543 ST_FUNC void gen_bounded_ptr_deref(void);
1544 #endif
1545
1546 /* ------------ x86_64-gen.c ------------ */
1547 #ifdef TCC_TARGET_X86_64
1548 ST_FUNC void gen_addr64(int r, Sym *sym, int64_t c);
1549 ST_FUNC void gen_opl(int op);
1550 #endif
1551
1552 /* ------------ arm-gen.c ------------ */
1553 #ifdef TCC_TARGET_ARM
1554 #if defined(TCC_ARM_EABI) && !defined(CONFIG_TCC_ELFINTERP)
1555 PUB_FUNC const char *default_elfinterp(struct TCCState *s);
1556 #endif
1557 ST_FUNC void arm_init(struct TCCState *s);
1558 ST_FUNC void gen_cvt_itof1(int t);
1559 #endif
1560
1561 /* ------------ arm64-gen.c ------------ */
1562 #ifdef TCC_TARGET_ARM64
1563 ST_FUNC void gen_cvt_sxtw(void);
1564 ST_FUNC void gen_opl(int op);
1565 ST_FUNC void gfunc_return(CType *func_type);
1566 ST_FUNC void gen_va_start(void);
1567 ST_FUNC void gen_va_arg(CType *t);
1568 ST_FUNC void gen_clear_cache(void);
1569 #endif
1570
1571 /* ------------ c67-gen.c ------------ */
1572 #ifdef TCC_TARGET_C67
1573 #endif
1574
1575 /* ------------ tcccoff.c ------------ */
1576
1577 #ifdef TCC_TARGET_COFF
1578 ST_FUNC int tcc_output_coff(TCCState *s1, FILE *f);
1579 ST_FUNC int tcc_load_coff(TCCState * s1, int fd);
1580 #endif
1581
1582 /* ------------ tccasm.c ------------ */
1583 ST_FUNC void asm_instr(void);
1584 ST_FUNC void asm_global_instr(void);
1585 #ifdef CONFIG_TCC_ASM
1586 ST_FUNC int find_constraint(ASMOperand *operands, int nb_operands, const char *name, const char **pp);
1587 ST_FUNC Sym* get_asm_sym(int name, Sym *csym);
1588 ST_FUNC void asm_expr(TCCState *s1, ExprValue *pe);
1589 ST_FUNC int asm_int_expr(TCCState *s1);
1590 ST_FUNC int tcc_assemble(TCCState *s1, int do_preprocess);
1591 ST_FUNC void asm_free_labels(TCCState *st);
1592 /* ------------ i386-asm.c ------------ */
1593 ST_FUNC void gen_expr32(ExprValue *pe);
1594 #ifdef TCC_TARGET_X86_64
1595 ST_FUNC void gen_expr64(ExprValue *pe);
1596 #endif
1597 ST_FUNC void asm_opcode(TCCState *s1, int opcode);
1598 ST_FUNC int asm_parse_regvar(int t);
1599 ST_FUNC void asm_compute_constraints(ASMOperand *operands, int nb_operands, int nb_outputs, const uint8_t *clobber_regs, int *pout_reg);
1600 ST_FUNC void subst_asm_operand(CString *add_str, SValue *sv, int modifier);
1601 ST_FUNC void asm_gen_code(ASMOperand *operands, int nb_operands, int nb_outputs, int is_output, uint8_t *clobber_regs, int out_reg);
1602 ST_FUNC void asm_clobber(uint8_t *clobber_regs, const char *str);
1603 #endif
1604
1605 /* ------------ tccpe.c -------------- */
1606 #ifdef TCC_TARGET_PE
1607 ST_FUNC int pe_load_file(struct TCCState *s1, const char *filename, int fd);
1608 ST_FUNC int pe_output_file(TCCState * s1, const char *filename);
1609 ST_FUNC int pe_putimport(TCCState *s1, int dllindex, const char *name, addr_t value);
1610 #if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
1611 ST_FUNC SValue *pe_getimport(SValue *sv, SValue *v2);
1612 #endif
1613 #ifdef TCC_TARGET_X86_64
1614 ST_FUNC void pe_add_unwind_data(unsigned start, unsigned end, unsigned stack);
1615 #endif
1616 PUB_FUNC int tcc_get_dllexports(const char *filename, char **pp);
1617 /* symbol properties stored in Elf32_Sym->st_other */
1618 # define ST_PE_EXPORT 0x10
1619 # define ST_PE_IMPORT 0x20
1620 # define ST_PE_STDCALL 0x40
1621 #endif
1622 #define ST_ASM_SET 0x04
1623
1624 /* ------------ tccrun.c ----------------- */
1625 #ifdef TCC_IS_NATIVE
1626 #ifdef CONFIG_TCC_STATIC
1627 #define RTLD_LAZY 0x001
1628 #define RTLD_NOW 0x002
1629 #define RTLD_GLOBAL 0x100
1630 #define RTLD_DEFAULT NULL
1631 /* dummy function for profiling */
1632 ST_FUNC void *dlopen(const char *filename, int flag);
1633 ST_FUNC void dlclose(void *p);
1634 ST_FUNC const char *dlerror(void);
1635 ST_FUNC void *dlsym(void *handle, const char *symbol);
1636 #endif
1637 #ifdef CONFIG_TCC_BACKTRACE
1638 ST_DATA int rt_num_callers;
1639 ST_DATA const char **rt_bound_error_msg;
1640 ST_DATA void *rt_prog_main;
1641 ST_FUNC void tcc_set_num_callers(int n);
1642 #endif
1643 ST_FUNC void tcc_run_free(TCCState *s1);
1644 #endif
1645
1646 /* ------------ tcctools.c ----------------- */
1647 #if 0 /* included in tcc.c */
1648 ST_FUNC int tcc_tool_ar(TCCState *s, int argc, char **argv);
1649 #ifdef TCC_TARGET_PE
1650 ST_FUNC int tcc_tool_impdef(TCCState *s, int argc, char **argv);
1651 #endif
1652 ST_FUNC void tcc_tool_cross(TCCState *s, char **argv, int option);
1653 ST_FUNC void gen_makedeps(TCCState *s, const char *target, const char *filename);
1654 #endif
1655
1656 /********************************************************/
1657 #undef ST_DATA
1658 #if ONE_SOURCE
1659 #define ST_DATA static
1660 #else
1661 #define ST_DATA
1662 #endif
1663 /********************************************************/
1664 #endif /* _TCC_H */
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