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tidy code
[tinycc.git] / tcc.h
blob13d482c84711578295db5e697339d7b1e993e0da
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 # if defined(TCC_TARGET_I386)
258 # define CONFIG_TCC_ELFINTERP "/lib/ld-musl-i386.so.1"
259 # else
260 # define CONFIG_TCC_ELFINTERP "/lib/ld-musl-arm.so.1"
261 # endif
262 # else
263 # define CONFIG_TCC_ELFINTERP "/lib/ld-linux.so.2"
264 # endif
265 # endif
266 #endif
267
268 /* var elf_interp dans *-gen.c */
269 #ifdef CONFIG_TCC_ELFINTERP
270 # define DEFAULT_ELFINTERP(s) CONFIG_TCC_ELFINTERP
271 #else
272 # define DEFAULT_ELFINTERP(s) default_elfinterp(s)
273 #endif
274
275 /* (target specific) libtcc1.a */
276 #ifndef TCC_LIBTCC1
277 # define TCC_LIBTCC1 "libtcc1.a"
278 #endif
279
280 /* library to use with CONFIG_USE_LIBGCC instead of libtcc1.a */
281 #if defined CONFIG_USE_LIBGCC && !defined TCC_LIBGCC
282 #define TCC_LIBGCC USE_TRIPLET(CONFIG_SYSROOT "/" CONFIG_LDDIR) "/libgcc_s.so.1"
283 #endif
284
285 /* -------------------------------------------- */
286
287 #include "libtcc.h"
288 #include "elf.h"
289 #include "stab.h"
290
291 /* -------------------------------------------- */
292
293 #ifndef PUB_FUNC /* functions used by tcc.c but not in libtcc.h */
294 # define PUB_FUNC
295 #endif
296
297 #ifndef ONE_SOURCE
298 # define ONE_SOURCE 1
299 #endif
300
301 #if ONE_SOURCE
302 #define ST_INLN static inline
303 #define ST_FUNC static
304 #define ST_DATA static
305 #else
306 #define ST_INLN
307 #define ST_FUNC
308 #define ST_DATA extern
309 #endif
310
311 #ifdef TCC_PROFILE /* profile all functions */
312 # define static
313 #endif
314
315 /* -------------------------------------------- */
316 /* include the target specific definitions */
317
318 #define TARGET_DEFS_ONLY
319 #ifdef TCC_TARGET_I386
320 # include "i386-gen.c"
321 # include "i386-link.c"
322 #endif
323 #ifdef TCC_TARGET_X86_64
324 # include "x86_64-gen.c"
325 # include "x86_64-link.c"
326 #endif
327 #ifdef TCC_TARGET_ARM
328 # include "arm-gen.c"
329 # include "arm-link.c"
330 # include "arm-asm.c"
331 #endif
332 #ifdef TCC_TARGET_ARM64
333 # include "arm64-gen.c"
334 # include "arm64-link.c"
335 #endif
336 #ifdef TCC_TARGET_C67
337 # define TCC_TARGET_COFF
338 # include "coff.h"
339 # include "c67-gen.c"
340 # include "c67-link.c"
341 #endif
342 #undef TARGET_DEFS_ONLY
343
344 /* -------------------------------------------- */
345
346 #if PTR_SIZE == 8
347 # define ELFCLASSW ELFCLASS64
348 # define ElfW(type) Elf##64##_##type
349 # define ELFW(type) ELF##64##_##type
350 # define ElfW_Rel ElfW(Rela)
351 # define SHT_RELX SHT_RELA
352 # define REL_SECTION_FMT ".rela%s"
353 #else
354 # define ELFCLASSW ELFCLASS32
355 # define ElfW(type) Elf##32##_##type
356 # define ELFW(type) ELF##32##_##type
357 # define ElfW_Rel ElfW(Rel)
358 # define SHT_RELX SHT_REL
359 # define REL_SECTION_FMT ".rel%s"
360 #endif
361 /* target address type */
362 #define addr_t ElfW(Addr)
363 #define ElfSym ElfW(Sym)
364
365 #if PTR_SIZE == 8 && !defined TCC_TARGET_PE
366 # define LONG_SIZE 8
367 #else
368 # define LONG_SIZE 4
369 #endif
370
371 /* -------------------------------------------- */
372
373 #define INCLUDE_STACK_SIZE 32
374 #define IFDEF_STACK_SIZE 64
375 #define VSTACK_SIZE 256
376 #define STRING_MAX_SIZE 1024
377 #define TOKSTR_MAX_SIZE 256
378 #define PACK_STACK_SIZE 8
379
380 #define TOK_HASH_SIZE 16384 /* must be a power of two */
381 #define TOK_ALLOC_INCR 512 /* must be a power of two */
382 #define TOK_MAX_SIZE 4 /* token max size in int unit when stored in string */
383
384 /* token symbol management */
385 typedef struct TokenSym {
386 struct TokenSym *hash_next;
387 struct Sym *sym_define; /* direct pointer to define */
388 struct Sym *sym_label; /* direct pointer to label */
389 struct Sym *sym_struct; /* direct pointer to structure */
390 struct Sym *sym_identifier; /* direct pointer to identifier */
391 int tok; /* token number */
392 int len;
393 char str[1];
394 } TokenSym;
395
396 #ifdef TCC_TARGET_PE
397 typedef unsigned short nwchar_t;
398 #else
399 typedef int nwchar_t;
400 #endif
401
402 typedef struct CString {
403 int size; /* size in bytes */
404 void *data; /* either 'char *' or 'nwchar_t *' */
405 int size_allocated;
406 } CString;
407
408 /* type definition */
409 typedef struct CType {
410 int t;
411 struct Sym *ref;
412 } CType;
413
414 /* constant value */
415 typedef union CValue {
416 long double ld;
417 double d;
418 float f;
419 uint64_t i;
420 struct {
421 int size;
422 const void *data;
423 } str;
424 int tab[LDOUBLE_SIZE/4];
425 } CValue;
426
427 /* value on stack */
428 typedef struct SValue {
429 CType type; /* type */
430 unsigned short r; /* register + flags */
431 unsigned short r2; /* second register, used for 'long long'
432 type. If not used, set to VT_CONST */
433 CValue c; /* constant, if VT_CONST */
434 struct Sym *sym; /* symbol, if (VT_SYM | VT_CONST), or if
435 result of unary() for an identifier. */
436 } SValue;
437
438 /* symbol attributes */
439 struct SymAttr {
440 unsigned short
441 aligned : 5, /* alignment as log2+1 (0 == unspecified) */
442 packed : 1,
443 weak : 1,
444 visibility : 2,
445 dllexport : 1,
446 nodecorate : 1,
447 dllimport : 1,
448 unused : 4;
449 };
450
451 /* function attributes or temporary attributes for parsing */
452 struct FuncAttr {
453 unsigned
454 func_call : 3, /* calling convention (0..5), see below */
455 func_type : 2, /* FUNC_OLD/NEW/ELLIPSIS */
456 func_args : 8; /* PE __stdcall args */
457 };
458
459 /* symbol management */
460 typedef struct Sym {
461 int v; /* symbol token */
462 unsigned short r; /* associated register or VT_CONST/VT_LOCAL and LVAL type */
463 struct SymAttr a; /* symbol attributes */
464 union {
465 struct {
466 int c; /* associated number or Elf symbol index */
467 union {
468 int sym_scope; /* scope level for locals */
469 int jnext; /* next jump label */
470 struct FuncAttr f; /* function attributes */
471 int auxtype; /* bitfield access type */
472 };
473 };
474 long long enum_val; /* enum constant if IS_ENUM_VAL */
475 int *d; /* define token stream */
476 struct Sym *ncl; /* next cleanup */
477 };
478 CType type; /* associated type */
479 union {
480 struct Sym *next; /* next related symbol (for fields and anoms) */
481 struct Sym *cleanupstate; /* in defined labels */
482 int asm_label; /* associated asm label */
483 };
484 struct Sym *prev; /* prev symbol in stack */
485 struct Sym *prev_tok; /* previous symbol for this token */
486 } Sym;
487
488 /* section definition */
489 typedef struct Section {
490 unsigned long data_offset; /* current data offset */
491 unsigned char *data; /* section data */
492 unsigned long data_allocated; /* used for realloc() handling */
493 int sh_name; /* elf section name (only used during output) */
494 int sh_num; /* elf section number */
495 int sh_type; /* elf section type */
496 int sh_flags; /* elf section flags */
497 int sh_info; /* elf section info */
498 int sh_addralign; /* elf section alignment */
499 int sh_entsize; /* elf entry size */
500 unsigned long sh_size; /* section size (only used during output) */
501 addr_t sh_addr; /* address at which the section is relocated */
502 unsigned long sh_offset; /* file offset */
503 int nb_hashed_syms; /* used to resize the hash table */
504 struct Section *link; /* link to another section */
505 struct Section *reloc; /* corresponding section for relocation, if any */
506 struct Section *hash; /* hash table for symbols */
507 struct Section *prev; /* previous section on section stack */
508 char name[1]; /* section name */
509 } Section;
510
511 typedef struct DLLReference {
512 int level;
513 void *handle;
514 char name[1];
515 } DLLReference;
516
517 /* -------------------------------------------------- */
518
519 #define SYM_STRUCT 0x40000000 /* struct/union/enum symbol space */
520 #define SYM_FIELD 0x20000000 /* struct/union field symbol space */
521 #define SYM_FIRST_ANOM 0x10000000 /* first anonymous sym */
522
523 /* stored in 'Sym->f.func_type' field */
524 #define FUNC_NEW 1 /* ansi function prototype */
525 #define FUNC_OLD 2 /* old function prototype */
526 #define FUNC_ELLIPSIS 3 /* ansi function prototype with ... */
527
528 /* stored in 'Sym->f.func_call' field */
529 #define FUNC_CDECL 0 /* standard c call */
530 #define FUNC_STDCALL 1 /* pascal c call */
531 #define FUNC_FASTCALL1 2 /* first param in %eax */
532 #define FUNC_FASTCALL2 3 /* first parameters in %eax, %edx */
533 #define FUNC_FASTCALL3 4 /* first parameter in %eax, %edx, %ecx */
534 #define FUNC_FASTCALLW 5 /* first parameter in %ecx, %edx */
535
536 /* field 'Sym.t' for macros */
537 #define MACRO_OBJ 0 /* object like macro */
538 #define MACRO_FUNC 1 /* function like macro */
539
540 /* field 'Sym.r' for C labels */
541 #define LABEL_DEFINED 0 /* label is defined */
542 #define LABEL_FORWARD 1 /* label is forward defined */
543 #define LABEL_DECLARED 2 /* label is declared but never used */
544
545 /* type_decl() types */
546 #define TYPE_ABSTRACT 1 /* type without variable */
547 #define TYPE_DIRECT 2 /* type with variable */
548
549 #define IO_BUF_SIZE 8192
550
551 typedef struct BufferedFile {
552 uint8_t *buf_ptr;
553 uint8_t *buf_end;
554 int fd;
555 struct BufferedFile *prev;
556 int line_num; /* current line number - here to simplify code */
557 int line_ref; /* tcc -E: last printed line */
558 int ifndef_macro; /* #ifndef macro / #endif search */
559 int ifndef_macro_saved; /* saved ifndef_macro */
560 int *ifdef_stack_ptr; /* ifdef_stack value at the start of the file */
561 int include_next_index; /* next search path */
562 char filename[1024]; /* filename */
563 char *true_filename; /* filename not modified by # line directive */
564 unsigned char unget[4];
565 unsigned char buffer[1]; /* extra size for CH_EOB char */
566 } BufferedFile;
567
568 #define CH_EOB '\\' /* end of buffer or '\0' char in file */
569 #define CH_EOF (-1) /* end of file */
570
571 /* used to record tokens */
572 typedef struct TokenString {
573 int *str;
574 int len;
575 int lastlen;
576 int allocated_len;
577 int last_line_num;
578 int save_line_num;
579 /* used to chain token-strings with begin/end_macro() */
580 struct TokenString *prev;
581 const int *prev_ptr;
582 char alloc;
583 } TokenString;
584
585 /* GNUC attribute definition */
586 typedef struct AttributeDef {
587 struct SymAttr a;
588 struct FuncAttr f;
589 struct Section *section;
590 Sym *cleanup_func;
591 int alias_target; /* token */
592 int asm_label; /* associated asm label */
593 char attr_mode; /* __attribute__((__mode__(...))) */
594 } AttributeDef;
595
596 /* inline functions */
597 typedef struct InlineFunc {
598 TokenString *func_str;
599 Sym *sym;
600 char filename[1];
601 } InlineFunc;
602
603 /* include file cache, used to find files faster and also to eliminate
604 inclusion if the include file is protected by #ifndef ... #endif */
605 typedef struct CachedInclude {
606 int ifndef_macro;
607 int once;
608 int hash_next; /* -1 if none */
609 char filename[1]; /* path specified in #include */
610 } CachedInclude;
611
612 #define CACHED_INCLUDES_HASH_SIZE 32
613
614 #ifdef CONFIG_TCC_ASM
615 typedef struct ExprValue {
616 uint64_t v;
617 Sym *sym;
618 int pcrel;
619 } ExprValue;
620
621 #define MAX_ASM_OPERANDS 30
622 typedef struct ASMOperand {
623 int id; /* GCC 3 optional identifier (0 if number only supported */
624 char *constraint;
625 char asm_str[16]; /* computed asm string for operand */
626 SValue *vt; /* C value of the expression */
627 int ref_index; /* if >= 0, gives reference to a output constraint */
628 int input_index; /* if >= 0, gives reference to an input constraint */
629 int priority; /* priority, used to assign registers */
630 int reg; /* if >= 0, register number used for this operand */
631 int is_llong; /* true if double register value */
632 int is_memory; /* true if memory operand */
633 int is_rw; /* for '+' modifier */
634 } ASMOperand;
635 #endif
636
637 /* extra symbol attributes (not in symbol table) */
638 struct sym_attr {
639 unsigned got_offset;
640 unsigned plt_offset;
641 int plt_sym;
642 int dyn_index;
643 #ifdef TCC_TARGET_ARM
644 unsigned char plt_thumb_stub:1;
645 #endif
646 };
647
648 struct TCCState {
649 int verbose; /* if true, display some information during compilation */
650 int nostdinc; /* if true, no standard headers are added */
651 int nostdlib; /* if true, no standard libraries are added */
652 int nocommon; /* if true, do not use common symbols for .bss data */
653 int static_link; /* if true, static linking is performed */
654 int rdynamic; /* if true, all symbols are exported */
655 int symbolic; /* if true, resolve symbols in the current module first */
656 int filetype; /* file type for compilation (NONE,C,ASM) */
657 int cversion; /* supported C ISO version, 199901 (the default), 201112, ... */
658
659 char *tcc_lib_path; /* CONFIG_TCCDIR or -B option */
660 char *soname; /* as specified on the command line (-soname) */
661 char *rpath; /* as specified on the command line (-Wl,-rpath=) */
662 int enable_new_dtags; /* ditto, (-Wl,--enable-new-dtags) */
663
664 /* output type, see TCC_OUTPUT_XXX */
665 int output_type;
666 /* output format, see TCC_OUTPUT_FORMAT_xxx */
667 int output_format;
668
669 /* C language options */
670 int char_is_unsigned;
671 int leading_underscore;
672 int ms_extensions; /* allow nested named struct w/o identifier behave like unnamed */
673 int dollars_in_identifiers; /* allows '$' char in identifiers */
674 int ms_bitfields; /* if true, emulate MS algorithm for aligning bitfields */
675
676 /* warning switches */
677 int warn_write_strings;
678 int warn_unsupported;
679 int warn_error;
680 int warn_none;
681 int warn_implicit_function_declaration;
682 int warn_gcc_compat;
683
684 /* compile with debug symbol (and use them if error during execution) */
685 int do_debug;
686 #ifdef CONFIG_TCC_BCHECK
687 /* compile with built-in memory and bounds checker */
688 int do_bounds_check;
689 #endif
690 #ifdef TCC_TARGET_ARM
691 enum float_abi float_abi; /* float ABI of the generated code*/
692 #endif
693 int run_test; /* nth test to run with -dt -run */
694
695 addr_t text_addr; /* address of text section */
696 int has_text_addr;
697
698 unsigned section_align; /* section alignment */
699
700 char *init_symbol; /* symbols to call at load-time (not used currently) */
701 char *fini_symbol; /* symbols to call at unload-time (not used currently) */
702
703 #ifdef TCC_TARGET_I386
704 int seg_size; /* 32. Can be 16 with i386 assembler (.code16) */
705 #endif
706 #ifdef TCC_TARGET_X86_64
707 int nosse; /* For -mno-sse support. */
708 #endif
709
710 /* array of all loaded dlls (including those referenced by loaded dlls) */
711 DLLReference **loaded_dlls;
712 int nb_loaded_dlls;
713
714 /* include paths */
715 char **include_paths;
716 int nb_include_paths;
717
718 char **sysinclude_paths;
719 int nb_sysinclude_paths;
720
721 /* library paths */
722 char **library_paths;
723 int nb_library_paths;
724
725 /* crt?.o object path */
726 char **crt_paths;
727 int nb_crt_paths;
728
729 /* -include files */
730 char **cmd_include_files;
731 int nb_cmd_include_files;
732
733 /* error handling */
734 void *error_opaque;
735 void (*error_func)(void *opaque, const char *msg);
736 int error_set_jmp_enabled;
737 jmp_buf error_jmp_buf;
738 int nb_errors;
739
740 /* output file for preprocessing (-E) */
741 FILE *ppfp;
742 enum {
743 LINE_MACRO_OUTPUT_FORMAT_GCC,
744 LINE_MACRO_OUTPUT_FORMAT_NONE,
745 LINE_MACRO_OUTPUT_FORMAT_STD,
746 LINE_MACRO_OUTPUT_FORMAT_P10 = 11
747 } Pflag; /* -P switch */
748 char dflag; /* -dX value */
749
750 /* for -MD/-MF: collected dependencies for this compilation */
751 char **target_deps;
752 int nb_target_deps;
753
754 /* compilation */
755 BufferedFile *include_stack[INCLUDE_STACK_SIZE];
756 BufferedFile **include_stack_ptr;
757
758 int ifdef_stack[IFDEF_STACK_SIZE];
759 int *ifdef_stack_ptr;
760
761 /* included files enclosed with #ifndef MACRO */
762 int cached_includes_hash[CACHED_INCLUDES_HASH_SIZE];
763 CachedInclude **cached_includes;
764 int nb_cached_includes;
765
766 /* #pragma pack stack */
767 int pack_stack[PACK_STACK_SIZE];
768 int *pack_stack_ptr;
769 char **pragma_libs;
770 int nb_pragma_libs;
771
772 /* inline functions are stored as token lists and compiled last
773 only if referenced */
774 struct InlineFunc **inline_fns;
775 int nb_inline_fns;
776
777 /* sections */
778 Section **sections;
779 int nb_sections; /* number of sections, including first dummy section */
780
781 Section **priv_sections;
782 int nb_priv_sections; /* number of private sections */
783
784 /* got & plt handling */
785 Section *got;
786 Section *plt;
787
788 /* temporary dynamic symbol sections (for dll loading) */
789 Section *dynsymtab_section;
790 /* exported dynamic symbol section */
791 Section *dynsym;
792 /* copy of the global symtab_section variable */
793 Section *symtab;
794 /* extra attributes (eg. GOT/PLT value) for symtab symbols */
795 struct sym_attr *sym_attrs;
796 int nb_sym_attrs;
797
798 #ifdef TCC_TARGET_PE
799 /* PE info */
800 int pe_subsystem;
801 unsigned pe_characteristics;
802 unsigned pe_file_align;
803 unsigned pe_stack_size;
804 addr_t pe_imagebase;
805 # ifdef TCC_TARGET_X86_64
806 Section *uw_pdata;
807 int uw_sym;
808 unsigned uw_offs;
809 # endif
810 #endif
811
812 #ifdef TCC_IS_NATIVE
813 const char *runtime_main;
814 void **runtime_mem;
815 int nb_runtime_mem;
816 #endif
817
818 /* used by main and tcc_parse_args only */
819 struct filespec **files; /* files seen on command line */
820 int nb_files; /* number thereof */
821 int nb_libraries; /* number of libs thereof */
822 char *outfile; /* output filename */
823 int option_r; /* option -r */
824 int do_bench; /* option -bench */
825 int gen_deps; /* option -MD */
826 char *deps_outfile; /* option -MF */
827 int option_pthread; /* -pthread option */
828 int argc;
829 char **argv;
830 };
831
832 struct filespec {
833 char type;
834 char name[1];
835 };
836
837 /* The current value can be: */
838 #define VT_VALMASK 0x003f /* mask for value location, register or: */
839 #define VT_CONST 0x0030 /* constant in vc (must be first non register value) */
840 #define VT_LLOCAL 0x0031 /* lvalue, offset on stack */
841 #define VT_LOCAL 0x0032 /* offset on stack */
842 #define VT_CMP 0x0033 /* the value is stored in processor flags (in vc) */
843 #define VT_JMP 0x0034 /* value is the consequence of jmp true (even) */
844 #define VT_JMPI 0x0035 /* value is the consequence of jmp false (odd) */
845 #define VT_LVAL 0x0100 /* var is an lvalue */
846 #define VT_SYM 0x0200 /* a symbol value is added */
847 #define VT_MUSTCAST 0x0400 /* value must be casted to be correct (used for
848 char/short stored in integer registers) */
849 #define VT_MUSTBOUND 0x0800 /* bound checking must be done before
850 dereferencing value */
851 #define VT_BOUNDED 0x8000 /* value is bounded. The address of the
852 bounding function call point is in vc */
853 #define VT_LVAL_BYTE 0x1000 /* lvalue is a byte */
854 #define VT_LVAL_SHORT 0x2000 /* lvalue is a short */
855 #define VT_LVAL_UNSIGNED 0x4000 /* lvalue is unsigned */
856 #define VT_LVAL_TYPE (VT_LVAL_BYTE | VT_LVAL_SHORT | VT_LVAL_UNSIGNED)
857
858 /* types */
859 #define VT_BTYPE 0x000f /* mask for basic type */
860 #define VT_VOID 0 /* void type */
861 #define VT_BYTE 1 /* signed byte type */
862 #define VT_SHORT 2 /* short type */
863 #define VT_INT 3 /* integer type */
864 #define VT_LLONG 4 /* 64 bit integer */
865 #define VT_PTR 5 /* pointer */
866 #define VT_FUNC 6 /* function type */
867 #define VT_STRUCT 7 /* struct/union definition */
868 #define VT_FLOAT 8 /* IEEE float */
869 #define VT_DOUBLE 9 /* IEEE double */
870 #define VT_LDOUBLE 10 /* IEEE long double */
871 #define VT_BOOL 11 /* ISOC99 boolean type */
872 #define VT_QLONG 13 /* 128-bit integer. Only used for x86-64 ABI */
873 #define VT_QFLOAT 14 /* 128-bit float. Only used for x86-64 ABI */
874
875 #define VT_UNSIGNED 0x0010 /* unsigned type */
876 #define VT_DEFSIGN 0x0020 /* explicitly signed or unsigned */
877 #define VT_ARRAY 0x0040 /* array type (also has VT_PTR) */
878 #define VT_BITFIELD 0x0080 /* bitfield modifier */
879 #define VT_CONSTANT 0x0100 /* const modifier */
880 #define VT_VOLATILE 0x0200 /* volatile modifier */
881 #define VT_VLA 0x0400 /* VLA type (also has VT_PTR and VT_ARRAY) */
882 #define VT_LONG 0x0800 /* long type (also has VT_INT rsp. VT_LLONG) */
883
884 /* storage */
885 #define VT_EXTERN 0x00001000 /* extern definition */
886 #define VT_STATIC 0x00002000 /* static variable */
887 #define VT_TYPEDEF 0x00004000 /* typedef definition */
888 #define VT_INLINE 0x00008000 /* inline definition */
889 /* currently unused: 0x000[1248]0000 */
890
891 #define VT_STRUCT_SHIFT 20 /* shift for bitfield shift values (32 - 2*6) */
892 #define VT_STRUCT_MASK (((1 << (6+6)) - 1) << VT_STRUCT_SHIFT | VT_BITFIELD)
893 #define BIT_POS(t) (((t) >> VT_STRUCT_SHIFT) & 0x3f)
894 #define BIT_SIZE(t) (((t) >> (VT_STRUCT_SHIFT + 6)) & 0x3f)
895
896 #define VT_UNION (1 << VT_STRUCT_SHIFT | VT_STRUCT)
897 #define VT_ENUM (2 << VT_STRUCT_SHIFT) /* integral type is an enum really */
898 #define VT_ENUM_VAL (3 << VT_STRUCT_SHIFT) /* integral type is an enum constant really */
899
900 #define IS_ENUM(t) ((t & VT_STRUCT_MASK) == VT_ENUM)
901 #define IS_ENUM_VAL(t) ((t & VT_STRUCT_MASK) == VT_ENUM_VAL)
902 #define IS_UNION(t) ((t & (VT_STRUCT_MASK|VT_BTYPE)) == VT_UNION)
903
904 /* type mask (except storage) */
905 #define VT_STORAGE (VT_EXTERN | VT_STATIC | VT_TYPEDEF | VT_INLINE)
906 #define VT_TYPE (~(VT_STORAGE|VT_STRUCT_MASK))
907
908 /* symbol was created by tccasm.c first */
909 #define VT_ASM (VT_VOID | VT_UNSIGNED)
910 #define IS_ASM_SYM(sym) (((sym)->type.t & (VT_BTYPE | VT_ASM)) == VT_ASM)
911
912 /* token values */
913
914 /* warning: the following compare tokens depend on i386 asm code */
915 #define TOK_ULT 0x92
916 #define TOK_UGE 0x93
917 #define TOK_EQ 0x94
918 #define TOK_NE 0x95
919 #define TOK_ULE 0x96
920 #define TOK_UGT 0x97
921 #define TOK_Nset 0x98
922 #define TOK_Nclear 0x99
923 #define TOK_LT 0x9c
924 #define TOK_GE 0x9d
925 #define TOK_LE 0x9e
926 #define TOK_GT 0x9f
927
928 #define TOK_LAND 0xa0
929 #define TOK_LOR 0xa1
930 #define TOK_DEC 0xa2
931 #define TOK_MID 0xa3 /* inc/dec, to void constant */
932 #define TOK_INC 0xa4
933 #define TOK_UDIV 0xb0 /* unsigned division */
934 #define TOK_UMOD 0xb1 /* unsigned modulo */
935 #define TOK_PDIV 0xb2 /* fast division with undefined rounding for pointers */
936
937 /* tokens that carry values (in additional token string space / tokc) --> */
938 #define TOK_CCHAR 0xb3 /* char constant in tokc */
939 #define TOK_LCHAR 0xb4
940 #define TOK_CINT 0xb5 /* number in tokc */
941 #define TOK_CUINT 0xb6 /* unsigned int constant */
942 #define TOK_CLLONG 0xb7 /* long long constant */
943 #define TOK_CULLONG 0xb8 /* unsigned long long constant */
944 #define TOK_STR 0xb9 /* pointer to string in tokc */
945 #define TOK_LSTR 0xba
946 #define TOK_CFLOAT 0xbb /* float constant */
947 #define TOK_CDOUBLE 0xbc /* double constant */
948 #define TOK_CLDOUBLE 0xbd /* long double constant */
949 #define TOK_PPNUM 0xbe /* preprocessor number */
950 #define TOK_PPSTR 0xbf /* preprocessor string */
951 #define TOK_LINENUM 0xc0 /* line number info */
952 #define TOK_TWODOTS 0xa8 /* C++ token ? */
953 /* <-- */
954
955 #define TOK_UMULL 0xc2 /* unsigned 32x32 -> 64 mul */
956 #define TOK_ADDC1 0xc3 /* add with carry generation */
957 #define TOK_ADDC2 0xc4 /* add with carry use */
958 #define TOK_SUBC1 0xc5 /* add with carry generation */
959 #define TOK_SUBC2 0xc6 /* add with carry use */
960 #define TOK_ARROW 0xc7
961 #define TOK_DOTS 0xc8 /* three dots */
962 #define TOK_SHR 0xc9 /* unsigned shift right */
963 #define TOK_TWOSHARPS 0xca /* ## preprocessing token */
964 #define TOK_PLCHLDR 0xcb /* placeholder token as defined in C99 */
965 #define TOK_NOSUBST 0xcc /* means following token has already been pp'd */
966 #define TOK_PPJOIN 0xcd /* A '##' in the right position to mean pasting */
967 #define TOK_CLONG 0xce /* long constant */
968 #define TOK_CULONG 0xcf /* unsigned long constant */
969
970 #define TOK_SHL 0x01 /* shift left */
971 #define TOK_SAR 0x02 /* signed shift right */
972
973 /* assignment operators : normal operator or 0x80 */
974 #define TOK_A_MOD 0xa5
975 #define TOK_A_AND 0xa6
976 #define TOK_A_MUL 0xaa
977 #define TOK_A_ADD 0xab
978 #define TOK_A_SUB 0xad
979 #define TOK_A_DIV 0xaf
980 #define TOK_A_XOR 0xde
981 #define TOK_A_OR 0xfc
982 #define TOK_A_SHL 0x81
983 #define TOK_A_SAR 0x82
984
985 #define TOK_EOF (-1) /* end of file */
986 #define TOK_LINEFEED 10 /* line feed */
987
988 /* all identifiers and strings have token above that */
989 #define TOK_IDENT 256
990
991 #define DEF_ASM(x) DEF(TOK_ASM_ ## x, #x)
992 #define TOK_ASM_int TOK_INT
993 #define DEF_ASMDIR(x) DEF(TOK_ASMDIR_ ## x, "." #x)
994 #define TOK_ASMDIR_FIRST TOK_ASMDIR_byte
995 #define TOK_ASMDIR_LAST TOK_ASMDIR_section
996
997 #if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
998 /* only used for i386 asm opcodes definitions */
999 #define DEF_BWL(x) \
1000 DEF(TOK_ASM_ ## x ## b, #x "b") \
1001 DEF(TOK_ASM_ ## x ## w, #x "w") \
1002 DEF(TOK_ASM_ ## x ## l, #x "l") \
1003 DEF(TOK_ASM_ ## x, #x)
1004 #define DEF_WL(x) \
1005 DEF(TOK_ASM_ ## x ## w, #x "w") \
1006 DEF(TOK_ASM_ ## x ## l, #x "l") \
1007 DEF(TOK_ASM_ ## x, #x)
1008 #ifdef TCC_TARGET_X86_64
1009 # define DEF_BWLQ(x) \
1010 DEF(TOK_ASM_ ## x ## b, #x "b") \
1011 DEF(TOK_ASM_ ## x ## w, #x "w") \
1012 DEF(TOK_ASM_ ## x ## l, #x "l") \
1013 DEF(TOK_ASM_ ## x ## q, #x "q") \
1014 DEF(TOK_ASM_ ## x, #x)
1015 # define DEF_WLQ(x) \
1016 DEF(TOK_ASM_ ## x ## w, #x "w") \
1017 DEF(TOK_ASM_ ## x ## l, #x "l") \
1018 DEF(TOK_ASM_ ## x ## q, #x "q") \
1019 DEF(TOK_ASM_ ## x, #x)
1020 # define DEF_BWLX DEF_BWLQ
1021 # define DEF_WLX DEF_WLQ
1022 /* number of sizes + 1 */
1023 # define NBWLX 5
1024 #else
1025 # define DEF_BWLX DEF_BWL
1026 # define DEF_WLX DEF_WL
1027 /* number of sizes + 1 */
1028 # define NBWLX 4
1029 #endif
1030
1031 #define DEF_FP1(x) \
1032 DEF(TOK_ASM_ ## f ## x ## s, "f" #x "s") \
1033 DEF(TOK_ASM_ ## fi ## x ## l, "fi" #x "l") \
1034 DEF(TOK_ASM_ ## f ## x ## l, "f" #x "l") \
1035 DEF(TOK_ASM_ ## fi ## x ## s, "fi" #x "s")
1036
1037 #define DEF_FP(x) \
1038 DEF(TOK_ASM_ ## f ## x, "f" #x ) \
1039 DEF(TOK_ASM_ ## f ## x ## p, "f" #x "p") \
1040 DEF_FP1(x)
1041
1042 #define DEF_ASMTEST(x,suffix) \
1043 DEF_ASM(x ## o ## suffix) \
1044 DEF_ASM(x ## no ## suffix) \
1045 DEF_ASM(x ## b ## suffix) \
1046 DEF_ASM(x ## c ## suffix) \
1047 DEF_ASM(x ## nae ## suffix) \
1048 DEF_ASM(x ## nb ## suffix) \
1049 DEF_ASM(x ## nc ## suffix) \
1050 DEF_ASM(x ## ae ## suffix) \
1051 DEF_ASM(x ## e ## suffix) \
1052 DEF_ASM(x ## z ## suffix) \
1053 DEF_ASM(x ## ne ## suffix) \
1054 DEF_ASM(x ## nz ## suffix) \
1055 DEF_ASM(x ## be ## suffix) \
1056 DEF_ASM(x ## na ## suffix) \
1057 DEF_ASM(x ## nbe ## suffix) \
1058 DEF_ASM(x ## a ## suffix) \
1059 DEF_ASM(x ## s ## suffix) \
1060 DEF_ASM(x ## ns ## suffix) \
1061 DEF_ASM(x ## p ## suffix) \
1062 DEF_ASM(x ## pe ## suffix) \
1063 DEF_ASM(x ## np ## suffix) \
1064 DEF_ASM(x ## po ## suffix) \
1065 DEF_ASM(x ## l ## suffix) \
1066 DEF_ASM(x ## nge ## suffix) \
1067 DEF_ASM(x ## nl ## suffix) \
1068 DEF_ASM(x ## ge ## suffix) \
1069 DEF_ASM(x ## le ## suffix) \
1070 DEF_ASM(x ## ng ## suffix) \
1071 DEF_ASM(x ## nle ## suffix) \
1072 DEF_ASM(x ## g ## suffix)
1073
1074 #endif /* defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64 */
1075
1076 enum tcc_token {
1077 TOK_LAST = TOK_IDENT - 1
1078 #define DEF(id, str) ,id
1079 #include "tcctok.h"
1080 #undef DEF
1081 };
1082
1083 /* keywords: tok >= TOK_IDENT && tok < TOK_UIDENT */
1084 #define TOK_UIDENT TOK_DEFINE
1085
1086 /* ------------ libtcc.c ------------ */
1087
1088 /* use GNU C extensions */
1089 ST_DATA int gnu_ext;
1090 /* use Tiny C extensions */
1091 ST_DATA int tcc_ext;
1092 /* XXX: get rid of this ASAP */
1093 ST_DATA struct TCCState *tcc_state;
1094
1095 /* public functions currently used by the tcc main function */
1096 ST_FUNC char *pstrcpy(char *buf, int buf_size, const char *s);
1097 ST_FUNC char *pstrcat(char *buf, int buf_size, const char *s);
1098 ST_FUNC char *pstrncpy(char *out, const char *in, size_t num);
1099 PUB_FUNC char *tcc_basename(const char *name);
1100 PUB_FUNC char *tcc_fileextension (const char *name);
1101
1102 #ifndef MEM_DEBUG
1103 PUB_FUNC void tcc_free(void *ptr);
1104 PUB_FUNC void *tcc_malloc(unsigned long size);
1105 PUB_FUNC void *tcc_mallocz(unsigned long size);
1106 PUB_FUNC void *tcc_realloc(void *ptr, unsigned long size);
1107 PUB_FUNC char *tcc_strdup(const char *str);
1108 #else
1109 #define tcc_free(ptr) tcc_free_debug(ptr)
1110 #define tcc_malloc(size) tcc_malloc_debug(size, __FILE__, __LINE__)
1111 #define tcc_mallocz(size) tcc_mallocz_debug(size, __FILE__, __LINE__)
1112 #define tcc_realloc(ptr,size) tcc_realloc_debug(ptr, size, __FILE__, __LINE__)
1113 #define tcc_strdup(str) tcc_strdup_debug(str, __FILE__, __LINE__)
1114 PUB_FUNC void tcc_free_debug(void *ptr);
1115 PUB_FUNC void *tcc_malloc_debug(unsigned long size, const char *file, int line);
1116 PUB_FUNC void *tcc_mallocz_debug(unsigned long size, const char *file, int line);
1117 PUB_FUNC void *tcc_realloc_debug(void *ptr, unsigned long size, const char *file, int line);
1118 PUB_FUNC char *tcc_strdup_debug(const char *str, const char *file, int line);
1119 #endif
1120
1121 #define free(p) use_tcc_free(p)
1122 #define malloc(s) use_tcc_malloc(s)
1123 #define realloc(p, s) use_tcc_realloc(p, s)
1124 #undef strdup
1125 #define strdup(s) use_tcc_strdup(s)
1126 PUB_FUNC void tcc_memcheck(void);
1127 PUB_FUNC void tcc_error_noabort(const char *fmt, ...);
1128 PUB_FUNC NORETURN void tcc_error(const char *fmt, ...);
1129 PUB_FUNC void tcc_warning(const char *fmt, ...);
1130
1131 /* other utilities */
1132 ST_FUNC void dynarray_add(void *ptab, int *nb_ptr, void *data);
1133 ST_FUNC void dynarray_reset(void *pp, int *n);
1134 ST_INLN void cstr_ccat(CString *cstr, int ch);
1135 ST_FUNC void cstr_cat(CString *cstr, const char *str, int len);
1136 ST_FUNC void cstr_wccat(CString *cstr, int ch);
1137 ST_FUNC void cstr_new(CString *cstr);
1138 ST_FUNC void cstr_free(CString *cstr);
1139 ST_FUNC void cstr_reset(CString *cstr);
1140
1141 ST_INLN void sym_free(Sym *sym);
1142 ST_FUNC Sym *sym_push2(Sym **ps, int v, int t, int c);
1143 ST_FUNC Sym *sym_find2(Sym *s, int v);
1144 ST_FUNC Sym *sym_push(int v, CType *type, int r, int c);
1145 ST_FUNC void sym_pop(Sym **ptop, Sym *b, int keep);
1146 ST_INLN Sym *struct_find(int v);
1147 ST_INLN Sym *sym_find(int v);
1148 ST_FUNC Sym *global_identifier_push(int v, int t, int c);
1149
1150 ST_FUNC void tcc_open_bf(TCCState *s1, const char *filename, int initlen);
1151 ST_FUNC int tcc_open(TCCState *s1, const char *filename);
1152 ST_FUNC void tcc_close(void);
1153
1154 ST_FUNC int tcc_add_file_internal(TCCState *s1, const char *filename, int flags);
1155 /* flags: */
1156 #define AFF_PRINT_ERROR 0x10 /* print error if file not found */
1157 #define AFF_REFERENCED_DLL 0x20 /* load a referenced dll from another dll */
1158 #define AFF_TYPE_BIN 0x40 /* file to add is binary */
1159 #define AFF_WHOLE_ARCHIVE 0x80 /* load all objects from archive */
1160 /* s->filetype: */
1161 #define AFF_TYPE_NONE 0
1162 #define AFF_TYPE_C 1
1163 #define AFF_TYPE_ASM 2
1164 #define AFF_TYPE_ASMPP 4
1165 #define AFF_TYPE_LIB 8
1166 #define AFF_TYPE_MASK (15 | AFF_TYPE_BIN)
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 void update_storage(Sym *sym);
1321 ST_FUNC Sym *external_global_sym(int v, CType *type, int r);
1322 ST_FUNC void vset(CType *type, int r, int v);
1323 ST_FUNC void vswap(void);
1324 ST_FUNC void vpush_global_sym(CType *type, int v);
1325 ST_FUNC void vrote(SValue *e, int n);
1326 ST_FUNC void vrott(int n);
1327 ST_FUNC void vrotb(int n);
1328 #if PTR_SIZE == 4
1329 ST_FUNC void lexpand(void);
1330 #endif
1331 #ifdef TCC_TARGET_ARM
1332 ST_FUNC int get_reg_ex(int rc, int rc2);
1333 #endif
1334 ST_FUNC void vpushv(SValue *v);
1335 ST_FUNC void save_reg(int r);
1336 ST_FUNC void save_reg_upstack(int r, int n);
1337 ST_FUNC int get_reg(int rc);
1338 ST_FUNC void save_regs(int n);
1339 ST_FUNC void gaddrof(void);
1340 ST_FUNC int gv(int rc);
1341 ST_FUNC void gv2(int rc1, int rc2);
1342 ST_FUNC void vpop(void);
1343 ST_FUNC void gen_op(int op);
1344 ST_FUNC int type_size(CType *type, int *a);
1345 ST_FUNC void mk_pointer(CType *type);
1346 ST_FUNC void vstore(void);
1347 ST_FUNC void inc(int post, int c);
1348 ST_FUNC void parse_mult_str (CString *astr, const char *msg);
1349 ST_FUNC void parse_asm_str(CString *astr);
1350 ST_FUNC int lvalue_type(int t);
1351 ST_FUNC void indir(void);
1352 ST_FUNC void unary(void);
1353 ST_FUNC void expr_prod(void);
1354 ST_FUNC void expr_sum(void);
1355 ST_FUNC void gexpr(void);
1356 ST_FUNC int expr_const(void);
1357 #if defined CONFIG_TCC_BCHECK || defined TCC_TARGET_C67
1358 ST_FUNC Sym *get_sym_ref(CType *type, Section *sec, unsigned long offset, unsigned long size);
1359 #endif
1360 #if defined TCC_TARGET_X86_64 && !defined TCC_TARGET_PE
1361 ST_FUNC int classify_x86_64_va_arg(CType *ty);
1362 #endif
1363
1364 /* ------------ tccelf.c ------------ */
1365
1366 #define TCC_OUTPUT_FORMAT_ELF 0 /* default output format: ELF */
1367 #define TCC_OUTPUT_FORMAT_BINARY 1 /* binary image output */
1368 #define TCC_OUTPUT_FORMAT_COFF 2 /* COFF */
1369
1370 #define ARMAG "!<arch>\012" /* For COFF and a.out archives */
1371
1372 typedef struct {
1373 unsigned int n_strx; /* index into string table of name */
1374 unsigned char n_type; /* type of symbol */
1375 unsigned char n_other; /* misc info (usually empty) */
1376 unsigned short n_desc; /* description field */
1377 unsigned int n_value; /* value of symbol */
1378 } Stab_Sym;
1379
1380 ST_DATA Section *text_section, *data_section, *bss_section; /* predefined sections */
1381 ST_DATA Section *common_section;
1382 ST_DATA Section *cur_text_section; /* current section where function code is generated */
1383 #ifdef CONFIG_TCC_ASM
1384 ST_DATA Section *last_text_section; /* to handle .previous asm directive */
1385 #endif
1386 #ifdef CONFIG_TCC_BCHECK
1387 /* bound check related sections */
1388 ST_DATA Section *bounds_section; /* contains global data bound description */
1389 ST_DATA Section *lbounds_section; /* contains local data bound description */
1390 ST_FUNC void tccelf_bounds_new(TCCState *s);
1391 #endif
1392 /* symbol sections */
1393 ST_DATA Section *symtab_section;
1394 /* debug sections */
1395 ST_DATA Section *stab_section, *stabstr_section;
1396
1397 ST_FUNC void tccelf_new(TCCState *s);
1398 ST_FUNC void tccelf_delete(TCCState *s);
1399 ST_FUNC void tccelf_stab_new(TCCState *s);
1400 ST_FUNC void tccelf_begin_file(TCCState *s1);
1401 ST_FUNC void tccelf_end_file(TCCState *s1);
1402
1403 ST_FUNC Section *new_section(TCCState *s1, const char *name, int sh_type, int sh_flags);
1404 ST_FUNC void section_realloc(Section *sec, unsigned long new_size);
1405 ST_FUNC size_t section_add(Section *sec, addr_t size, int align);
1406 ST_FUNC void *section_ptr_add(Section *sec, addr_t size);
1407 ST_FUNC void section_reserve(Section *sec, unsigned long size);
1408 ST_FUNC Section *find_section(TCCState *s1, const char *name);
1409 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);
1410
1411 ST_FUNC void put_extern_sym2(Sym *sym, int sh_num, addr_t value, unsigned long size, int can_add_underscore);
1412 ST_FUNC void put_extern_sym(Sym *sym, Section *section, addr_t value, unsigned long size);
1413 #if PTR_SIZE == 4
1414 ST_FUNC void greloc(Section *s, Sym *sym, unsigned long offset, int type);
1415 #endif
1416 ST_FUNC void greloca(Section *s, Sym *sym, unsigned long offset, int type, addr_t addend);
1417
1418 ST_FUNC int put_elf_str(Section *s, const char *sym);
1419 ST_FUNC int put_elf_sym(Section *s, addr_t value, unsigned long size, int info, int other, int shndx, const char *name);
1420 ST_FUNC int set_elf_sym(Section *s, addr_t value, unsigned long size, int info, int other, int shndx, const char *name);
1421 ST_FUNC int find_elf_sym(Section *s, const char *name);
1422 ST_FUNC void put_elf_reloc(Section *symtab, Section *s, unsigned long offset, int type, int symbol);
1423 ST_FUNC void put_elf_reloca(Section *symtab, Section *s, unsigned long offset, int type, int symbol, addr_t addend);
1424
1425 ST_FUNC void put_stabs(const char *str, int type, int other, int desc, unsigned long value);
1426 ST_FUNC void put_stabs_r(const char *str, int type, int other, int desc, unsigned long value, Section *sec, int sym_index);
1427 ST_FUNC void put_stabn(int type, int other, int desc, int value);
1428 ST_FUNC void put_stabd(int type, int other, int desc);
1429
1430 ST_FUNC void resolve_common_syms(TCCState *s1);
1431 ST_FUNC void relocate_syms(TCCState *s1, Section *symtab, int do_resolve);
1432 ST_FUNC void relocate_section(TCCState *s1, Section *s);
1433
1434 ST_FUNC int tcc_object_type(int fd, ElfW(Ehdr) *h);
1435 ST_FUNC int tcc_load_object_file(TCCState *s1, int fd, unsigned long file_offset);
1436 ST_FUNC int tcc_load_archive(TCCState *s1, int fd, int alacarte);
1437 ST_FUNC void tcc_add_bcheck(TCCState *s1);
1438 ST_FUNC void tcc_add_runtime(TCCState *s1);
1439
1440 ST_FUNC void build_got_entries(TCCState *s1);
1441 ST_FUNC struct sym_attr *get_sym_attr(TCCState *s1, int index, int alloc);
1442 ST_FUNC void squeeze_multi_relocs(Section *sec, size_t oldrelocoffset);
1443
1444 ST_FUNC addr_t get_elf_sym_addr(TCCState *s, const char *name, int err);
1445 #if defined TCC_IS_NATIVE || defined TCC_TARGET_PE
1446 ST_FUNC void *tcc_get_symbol_err(TCCState *s, const char *name);
1447 #endif
1448
1449 #ifndef TCC_TARGET_PE
1450 ST_FUNC int tcc_load_dll(TCCState *s1, int fd, const char *filename, int level);
1451 ST_FUNC int tcc_load_ldscript(TCCState *s1);
1452 ST_FUNC uint8_t *parse_comment(uint8_t *p);
1453 ST_FUNC void minp(void);
1454 ST_INLN void inp(void);
1455 ST_FUNC int handle_eob(void);
1456 #endif
1457
1458 /* ------------ xxx-link.c ------------ */
1459
1460 /* Whether to generate a GOT/PLT entry and when. NO_GOTPLT_ENTRY is first so
1461 that unknown relocation don't create a GOT or PLT entry */
1462 enum gotplt_entry {
1463 NO_GOTPLT_ENTRY, /* never generate (eg. GLOB_DAT & JMP_SLOT relocs) */
1464 BUILD_GOT_ONLY, /* only build GOT (eg. TPOFF relocs) */
1465 AUTO_GOTPLT_ENTRY, /* generate if sym is UNDEF */
1466 ALWAYS_GOTPLT_ENTRY /* always generate (eg. PLTOFF relocs) */
1467 };
1468
1469 ST_FUNC int code_reloc (int reloc_type);
1470 ST_FUNC int gotplt_entry_type (int reloc_type);
1471 ST_FUNC unsigned create_plt_entry(TCCState *s1, unsigned got_offset, struct sym_attr *attr);
1472 ST_FUNC void relocate_init(Section *sr);
1473 ST_FUNC void relocate(TCCState *s1, ElfW_Rel *rel, int type, unsigned char *ptr, addr_t addr, addr_t val);
1474 ST_FUNC void relocate_plt(TCCState *s1);
1475
1476 /* ------------ xxx-gen.c ------------ */
1477
1478 ST_DATA const int reg_classes[NB_REGS];
1479
1480 ST_FUNC void gsym_addr(int t, int a);
1481 ST_FUNC void gsym(int t);
1482 ST_FUNC void load(int r, SValue *sv);
1483 ST_FUNC void store(int r, SValue *v);
1484 ST_FUNC int gfunc_sret(CType *vt, int variadic, CType *ret, int *align, int *regsize);
1485 ST_FUNC void gfunc_call(int nb_args);
1486 ST_FUNC void gfunc_prolog(CType *func_type);
1487 ST_FUNC void gfunc_epilog(void);
1488 ST_FUNC void gen_fill_nops(int);
1489 ST_FUNC int gjmp(int t);
1490 ST_FUNC void gjmp_addr(int a);
1491 ST_FUNC int gtst(int inv, int t);
1492 #if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
1493 ST_FUNC void gtst_addr(int inv, int a);
1494 #else
1495 #define gtst_addr(inv, a) gsym_addr(gtst(inv, 0), a)
1496 #endif
1497 ST_FUNC void gen_opi(int op);
1498 ST_FUNC void gen_opf(int op);
1499 ST_FUNC void gen_cvt_ftoi(int t);
1500 ST_FUNC void gen_cvt_ftof(int t);
1501 ST_FUNC void ggoto(void);
1502 #ifndef TCC_TARGET_C67
1503 ST_FUNC void o(unsigned int c);
1504 #endif
1505 #ifndef TCC_TARGET_ARM
1506 ST_FUNC void gen_cvt_itof(int t);
1507 #endif
1508 ST_FUNC void gen_vla_sp_save(int addr);
1509 ST_FUNC void gen_vla_sp_restore(int addr);
1510 ST_FUNC void gen_vla_alloc(CType *type, int align);
1511
1512 static inline uint16_t read16le(unsigned char *p) {
1513 return p[0] | (uint16_t)p[1] << 8;
1514 }
1515 static inline void write16le(unsigned char *p, uint16_t x) {
1516 p[0] = x & 255; p[1] = x >> 8 & 255;
1517 }
1518 static inline uint32_t read32le(unsigned char *p) {
1519 return read16le(p) | (uint32_t)read16le(p + 2) << 16;
1520 }
1521 static inline void write32le(unsigned char *p, uint32_t x) {
1522 write16le(p, x); write16le(p + 2, x >> 16);
1523 }
1524 static inline void add32le(unsigned char *p, int32_t x) {
1525 write32le(p, read32le(p) + x);
1526 }
1527 static inline uint64_t read64le(unsigned char *p) {
1528 return read32le(p) | (uint64_t)read32le(p + 4) << 32;
1529 }
1530 static inline void write64le(unsigned char *p, uint64_t x) {
1531 write32le(p, x); write32le(p + 4, x >> 32);
1532 }
1533 static inline void add64le(unsigned char *p, int64_t x) {
1534 write64le(p, read64le(p) + x);
1535 }
1536
1537 /* ------------ i386-gen.c ------------ */
1538 #if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
1539 ST_FUNC void g(int c);
1540 ST_FUNC void gen_le16(int c);
1541 ST_FUNC void gen_le32(int c);
1542 ST_FUNC void gen_addr32(int r, Sym *sym, int c);
1543 ST_FUNC void gen_addrpc32(int r, Sym *sym, int c);
1544 #endif
1545
1546 #ifdef CONFIG_TCC_BCHECK
1547 ST_FUNC void gen_bounded_ptr_add(void);
1548 ST_FUNC void gen_bounded_ptr_deref(void);
1549 #endif
1550
1551 /* ------------ x86_64-gen.c ------------ */
1552 #ifdef TCC_TARGET_X86_64
1553 ST_FUNC void gen_addr64(int r, Sym *sym, int64_t c);
1554 ST_FUNC void gen_opl(int op);
1555 #ifdef TCC_TARGET_PE
1556 ST_FUNC void gen_vla_result(int addr);
1557 #endif
1558 #endif
1559
1560 /* ------------ arm-gen.c ------------ */
1561 #ifdef TCC_TARGET_ARM
1562 #if defined(TCC_ARM_EABI) && !defined(CONFIG_TCC_ELFINTERP)
1563 PUB_FUNC const char *default_elfinterp(struct TCCState *s);
1564 #endif
1565 ST_FUNC void arm_init(struct TCCState *s);
1566 ST_FUNC void gen_cvt_itof1(int t);
1567 #endif
1568
1569 /* ------------ arm64-gen.c ------------ */
1570 #ifdef TCC_TARGET_ARM64
1571 ST_FUNC void gen_cvt_sxtw(void);
1572 ST_FUNC void gen_opl(int op);
1573 ST_FUNC void gfunc_return(CType *func_type);
1574 ST_FUNC void gen_va_start(void);
1575 ST_FUNC void gen_va_arg(CType *t);
1576 ST_FUNC void gen_clear_cache(void);
1577 #endif
1578
1579 /* ------------ c67-gen.c ------------ */
1580 #ifdef TCC_TARGET_C67
1581 #endif
1582
1583 /* ------------ tcccoff.c ------------ */
1584
1585 #ifdef TCC_TARGET_COFF
1586 ST_FUNC int tcc_output_coff(TCCState *s1, FILE *f);
1587 ST_FUNC int tcc_load_coff(TCCState * s1, int fd);
1588 #endif
1589
1590 /* ------------ tccasm.c ------------ */
1591 ST_FUNC void asm_instr(void);
1592 ST_FUNC void asm_global_instr(void);
1593 #ifdef CONFIG_TCC_ASM
1594 ST_FUNC int find_constraint(ASMOperand *operands, int nb_operands, const char *name, const char **pp);
1595 ST_FUNC Sym* get_asm_sym(int name, Sym *csym);
1596 ST_FUNC void asm_expr(TCCState *s1, ExprValue *pe);
1597 ST_FUNC int asm_int_expr(TCCState *s1);
1598 ST_FUNC int tcc_assemble(TCCState *s1, int do_preprocess);
1599 /* ------------ i386-asm.c ------------ */
1600 ST_FUNC void gen_expr32(ExprValue *pe);
1601 #ifdef TCC_TARGET_X86_64
1602 ST_FUNC void gen_expr64(ExprValue *pe);
1603 #endif
1604 ST_FUNC void asm_opcode(TCCState *s1, int opcode);
1605 ST_FUNC int asm_parse_regvar(int t);
1606 ST_FUNC void asm_compute_constraints(ASMOperand *operands, int nb_operands, int nb_outputs, const uint8_t *clobber_regs, int *pout_reg);
1607 ST_FUNC void subst_asm_operand(CString *add_str, SValue *sv, int modifier);
1608 ST_FUNC void asm_gen_code(ASMOperand *operands, int nb_operands, int nb_outputs, int is_output, uint8_t *clobber_regs, int out_reg);
1609 ST_FUNC void asm_clobber(uint8_t *clobber_regs, const char *str);
1610 #endif
1611
1612 /* ------------ tccpe.c -------------- */
1613 #ifdef TCC_TARGET_PE
1614 ST_FUNC int pe_load_file(struct TCCState *s1, const char *filename, int fd);
1615 ST_FUNC int pe_output_file(TCCState * s1, const char *filename);
1616 ST_FUNC int pe_putimport(TCCState *s1, int dllindex, const char *name, addr_t value);
1617 #if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
1618 ST_FUNC SValue *pe_getimport(SValue *sv, SValue *v2);
1619 #endif
1620 #ifdef TCC_TARGET_X86_64
1621 ST_FUNC void pe_add_unwind_data(unsigned start, unsigned end, unsigned stack);
1622 #endif
1623 PUB_FUNC int tcc_get_dllexports(const char *filename, char **pp);
1624 /* symbol properties stored in Elf32_Sym->st_other */
1625 # define ST_PE_EXPORT 0x10
1626 # define ST_PE_IMPORT 0x20
1627 # define ST_PE_STDCALL 0x40
1628 #endif
1629 #define ST_ASM_SET 0x04
1630
1631 /* ------------ tccrun.c ----------------- */
1632 #ifdef TCC_IS_NATIVE
1633 #ifdef CONFIG_TCC_STATIC
1634 #define RTLD_LAZY 0x001
1635 #define RTLD_NOW 0x002
1636 #define RTLD_GLOBAL 0x100
1637 #define RTLD_DEFAULT NULL
1638 /* dummy function for profiling */
1639 ST_FUNC void *dlopen(const char *filename, int flag);
1640 ST_FUNC void dlclose(void *p);
1641 ST_FUNC const char *dlerror(void);
1642 ST_FUNC void *dlsym(void *handle, const char *symbol);
1643 #endif
1644 #ifdef CONFIG_TCC_BACKTRACE
1645 ST_DATA int rt_num_callers;
1646 ST_DATA const char **rt_bound_error_msg;
1647 ST_DATA void *rt_prog_main;
1648 ST_FUNC void tcc_set_num_callers(int n);
1649 #endif
1650 ST_FUNC void tcc_run_free(TCCState *s1);
1651 #endif
1652
1653 /* ------------ tcctools.c ----------------- */
1654 #if 0 /* included in tcc.c */
1655 ST_FUNC int tcc_tool_ar(TCCState *s, int argc, char **argv);
1656 #ifdef TCC_TARGET_PE
1657 ST_FUNC int tcc_tool_impdef(TCCState *s, int argc, char **argv);
1658 #endif
1659 ST_FUNC void tcc_tool_cross(TCCState *s, char **argv, int option);
1660 ST_FUNC void gen_makedeps(TCCState *s, const char *target, const char *filename);
1661 #endif
1662
1663 /********************************************************/
1664 #undef ST_DATA
1665 #if ONE_SOURCE
1666 #define ST_DATA static
1667 #else
1668 #define ST_DATA
1669 #endif
1670 /********************************************************/
1671 #endif /* _TCC_H */
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