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Fix read() usage in tccelf.c.
[tinycc.git] / tcc.h
blob61c1b43cf65d18f9a1563eb3714848fdd19c8cc5
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 /* GNUC attribute definition */
460 typedef struct AttributeDef {
461 struct SymAttr a;
462 struct FuncAttr f;
463 struct Section *section;
464 int alias_target; /* token */
465 int asm_label; /* associated asm label */
466 char attr_mode; /* __attribute__((__mode__(...))) */
467 } AttributeDef;
468
469 /* symbol management */
470 typedef struct Sym {
471 int v; /* symbol token */
472 unsigned short r; /* associated register or VT_CONST/VT_LOCAL and LVAL type */
473 struct SymAttr a; /* symbol attributes */
474 union {
475 struct {
476 int c; /* associated number or Elf symbol index */
477 union {
478 int sym_scope; /* scope level for locals */
479 int jnext; /* next jump label */
480 struct FuncAttr f; /* function attributes */
481 int auxtype; /* bitfield access type */
482 };
483 };
484 long long enum_val; /* enum constant if IS_ENUM_VAL */
485 int *d; /* define token stream */
486 };
487 CType type; /* associated type */
488 union {
489 struct Sym *next; /* next related symbol (for fields and anoms) */
490 int asm_label; /* associated asm label */
491 };
492 struct Sym *prev; /* prev symbol in stack */
493 struct Sym *prev_tok; /* previous symbol for this token */
494 } Sym;
495
496 /* section definition */
497 typedef struct Section {
498 unsigned long data_offset; /* current data offset */
499 unsigned char *data; /* section data */
500 unsigned long data_allocated; /* used for realloc() handling */
501 int sh_name; /* elf section name (only used during output) */
502 int sh_num; /* elf section number */
503 int sh_type; /* elf section type */
504 int sh_flags; /* elf section flags */
505 int sh_info; /* elf section info */
506 int sh_addralign; /* elf section alignment */
507 int sh_entsize; /* elf entry size */
508 unsigned long sh_size; /* section size (only used during output) */
509 addr_t sh_addr; /* address at which the section is relocated */
510 unsigned long sh_offset; /* file offset */
511 int nb_hashed_syms; /* used to resize the hash table */
512 struct Section *link; /* link to another section */
513 struct Section *reloc; /* corresponding section for relocation, if any */
514 struct Section *hash; /* hash table for symbols */
515 struct Section *prev; /* previous section on section stack */
516 char name[1]; /* section name */
517 } Section;
518
519 typedef struct DLLReference {
520 int level;
521 void *handle;
522 char name[1];
523 } DLLReference;
524
525 /* -------------------------------------------------- */
526
527 #define SYM_STRUCT 0x40000000 /* struct/union/enum symbol space */
528 #define SYM_FIELD 0x20000000 /* struct/union field symbol space */
529 #define SYM_FIRST_ANOM 0x10000000 /* first anonymous sym */
530
531 /* stored in 'Sym->f.func_type' field */
532 #define FUNC_NEW 1 /* ansi function prototype */
533 #define FUNC_OLD 2 /* old function prototype */
534 #define FUNC_ELLIPSIS 3 /* ansi function prototype with ... */
535
536 /* stored in 'Sym->f.func_call' field */
537 #define FUNC_CDECL 0 /* standard c call */
538 #define FUNC_STDCALL 1 /* pascal c call */
539 #define FUNC_FASTCALL1 2 /* first param in %eax */
540 #define FUNC_FASTCALL2 3 /* first parameters in %eax, %edx */
541 #define FUNC_FASTCALL3 4 /* first parameter in %eax, %edx, %ecx */
542 #define FUNC_FASTCALLW 5 /* first parameter in %ecx, %edx */
543
544 /* field 'Sym.t' for macros */
545 #define MACRO_OBJ 0 /* object like macro */
546 #define MACRO_FUNC 1 /* function like macro */
547
548 /* field 'Sym.r' for C labels */
549 #define LABEL_DEFINED 0 /* label is defined */
550 #define LABEL_FORWARD 1 /* label is forward defined */
551 #define LABEL_DECLARED 2 /* label is declared but never used */
552
553 /* type_decl() types */
554 #define TYPE_ABSTRACT 1 /* type without variable */
555 #define TYPE_DIRECT 2 /* type with variable */
556
557 #define IO_BUF_SIZE 8192
558
559 typedef struct BufferedFile {
560 uint8_t *buf_ptr;
561 uint8_t *buf_end;
562 int fd;
563 struct BufferedFile *prev;
564 int line_num; /* current line number - here to simplify code */
565 int line_ref; /* tcc -E: last printed line */
566 int ifndef_macro; /* #ifndef macro / #endif search */
567 int ifndef_macro_saved; /* saved ifndef_macro */
568 int *ifdef_stack_ptr; /* ifdef_stack value at the start of the file */
569 int include_next_index; /* next search path */
570 char filename[1024]; /* filename */
571 char *true_filename; /* filename not modified by # line directive */
572 unsigned char unget[4];
573 unsigned char buffer[1]; /* extra size for CH_EOB char */
574 } BufferedFile;
575
576 #define CH_EOB '\\' /* end of buffer or '\0' char in file */
577 #define CH_EOF (-1) /* end of file */
578
579 /* used to record tokens */
580 typedef struct TokenString {
581 int *str;
582 int len;
583 int lastlen;
584 int allocated_len;
585 int last_line_num;
586 int save_line_num;
587 /* used to chain token-strings with begin/end_macro() */
588 struct TokenString *prev;
589 const int *prev_ptr;
590 char alloc;
591 } TokenString;
592
593 /* inline functions */
594 typedef struct InlineFunc {
595 TokenString *func_str;
596 Sym *sym;
597 char filename[1];
598 } InlineFunc;
599
600 /* include file cache, used to find files faster and also to eliminate
601 inclusion if the include file is protected by #ifndef ... #endif */
602 typedef struct CachedInclude {
603 int ifndef_macro;
604 int once;
605 int hash_next; /* -1 if none */
606 char filename[1]; /* path specified in #include */
607 } CachedInclude;
608
609 #define CACHED_INCLUDES_HASH_SIZE 32
610
611 #ifdef CONFIG_TCC_ASM
612 typedef struct ExprValue {
613 uint64_t v;
614 Sym *sym;
615 int pcrel;
616 } ExprValue;
617
618 #define MAX_ASM_OPERANDS 30
619 typedef struct ASMOperand {
620 int id; /* GCC 3 optional identifier (0 if number only supported */
621 char *constraint;
622 char asm_str[16]; /* computed asm string for operand */
623 SValue *vt; /* C value of the expression */
624 int ref_index; /* if >= 0, gives reference to a output constraint */
625 int input_index; /* if >= 0, gives reference to an input constraint */
626 int priority; /* priority, used to assign registers */
627 int reg; /* if >= 0, register number used for this operand */
628 int is_llong; /* true if double register value */
629 int is_memory; /* true if memory operand */
630 int is_rw; /* for '+' modifier */
631 } ASMOperand;
632 #endif
633
634 /* extra symbol attributes (not in symbol table) */
635 struct sym_attr {
636 unsigned got_offset;
637 unsigned plt_offset;
638 int plt_sym;
639 int dyn_index;
640 #ifdef TCC_TARGET_ARM
641 unsigned char plt_thumb_stub:1;
642 #endif
643 };
644
645 struct TCCState {
646 int verbose; /* if true, display some information during compilation */
647 int nostdinc; /* if true, no standard headers are added */
648 int nostdlib; /* if true, no standard libraries are added */
649 int nocommon; /* if true, do not use common symbols for .bss data */
650 int static_link; /* if true, static linking is performed */
651 int rdynamic; /* if true, all symbols are exported */
652 int symbolic; /* if true, resolve symbols in the current module first */
653 int filetype; /* file type for compilation (NONE,C,ASM) */
654 int cversion; /* supported C ISO version, 199901 (the default), 201112, ... */
655
656 char *tcc_lib_path; /* CONFIG_TCCDIR or -B option */
657 char *soname; /* as specified on the command line (-soname) */
658 char *rpath; /* as specified on the command line (-Wl,-rpath=) */
659 int enable_new_dtags; /* ditto, (-Wl,--enable-new-dtags) */
660
661 /* output type, see TCC_OUTPUT_XXX */
662 int output_type;
663 /* output format, see TCC_OUTPUT_FORMAT_xxx */
664 int output_format;
665
666 /* C language options */
667 int char_is_unsigned;
668 int leading_underscore;
669 int ms_extensions; /* allow nested named struct w/o identifier behave like unnamed */
670 int dollars_in_identifiers; /* allows '$' char in identifiers */
671 int ms_bitfields; /* if true, emulate MS algorithm for aligning bitfields */
672
673 /* warning switches */
674 int warn_write_strings;
675 int warn_unsupported;
676 int warn_error;
677 int warn_none;
678 int warn_implicit_function_declaration;
679 int warn_gcc_compat;
680
681 /* compile with debug symbol (and use them if error during execution) */
682 int do_debug;
683 #ifdef CONFIG_TCC_BCHECK
684 /* compile with built-in memory and bounds checker */
685 int do_bounds_check;
686 #endif
687 #ifdef TCC_TARGET_ARM
688 enum float_abi float_abi; /* float ABI of the generated code*/
689 #endif
690 int run_test; /* nth test to run with -dt -run */
691
692 addr_t text_addr; /* address of text section */
693 int has_text_addr;
694
695 unsigned section_align; /* section alignment */
696
697 char *init_symbol; /* symbols to call at load-time (not used currently) */
698 char *fini_symbol; /* symbols to call at unload-time (not used currently) */
699
700 #ifdef TCC_TARGET_I386
701 int seg_size; /* 32. Can be 16 with i386 assembler (.code16) */
702 #endif
703 #ifdef TCC_TARGET_X86_64
704 int nosse; /* For -mno-sse support. */
705 #endif
706
707 /* array of all loaded dlls (including those referenced by loaded dlls) */
708 DLLReference **loaded_dlls;
709 int nb_loaded_dlls;
710
711 /* include paths */
712 char **include_paths;
713 int nb_include_paths;
714
715 char **sysinclude_paths;
716 int nb_sysinclude_paths;
717
718 /* library paths */
719 char **library_paths;
720 int nb_library_paths;
721
722 /* crt?.o object path */
723 char **crt_paths;
724 int nb_crt_paths;
725
726 /* -include files */
727 char **cmd_include_files;
728 int nb_cmd_include_files;
729
730 /* error handling */
731 void *error_opaque;
732 void (*error_func)(void *opaque, const char *msg);
733 int error_set_jmp_enabled;
734 jmp_buf error_jmp_buf;
735 int nb_errors;
736
737 /* output file for preprocessing (-E) */
738 FILE *ppfp;
739 enum {
740 LINE_MACRO_OUTPUT_FORMAT_GCC,
741 LINE_MACRO_OUTPUT_FORMAT_NONE,
742 LINE_MACRO_OUTPUT_FORMAT_STD,
743 LINE_MACRO_OUTPUT_FORMAT_P10 = 11
744 } Pflag; /* -P switch */
745 char dflag; /* -dX value */
746
747 /* for -MD/-MF: collected dependencies for this compilation */
748 char **target_deps;
749 int nb_target_deps;
750
751 /* compilation */
752 BufferedFile *include_stack[INCLUDE_STACK_SIZE];
753 BufferedFile **include_stack_ptr;
754
755 int ifdef_stack[IFDEF_STACK_SIZE];
756 int *ifdef_stack_ptr;
757
758 /* included files enclosed with #ifndef MACRO */
759 int cached_includes_hash[CACHED_INCLUDES_HASH_SIZE];
760 CachedInclude **cached_includes;
761 int nb_cached_includes;
762
763 /* #pragma pack stack */
764 int pack_stack[PACK_STACK_SIZE];
765 int *pack_stack_ptr;
766 char **pragma_libs;
767 int nb_pragma_libs;
768
769 /* inline functions are stored as token lists and compiled last
770 only if referenced */
771 struct InlineFunc **inline_fns;
772 int nb_inline_fns;
773
774 /* sections */
775 Section **sections;
776 int nb_sections; /* number of sections, including first dummy section */
777
778 Section **priv_sections;
779 int nb_priv_sections; /* number of private sections */
780
781 /* got & plt handling */
782 Section *got;
783 Section *plt;
784
785 /* temporary dynamic symbol sections (for dll loading) */
786 Section *dynsymtab_section;
787 /* exported dynamic symbol section */
788 Section *dynsym;
789 /* copy of the global symtab_section variable */
790 Section *symtab;
791 /* extra attributes (eg. GOT/PLT value) for symtab symbols */
792 struct sym_attr *sym_attrs;
793 int nb_sym_attrs;
794
795 #ifdef TCC_TARGET_PE
796 /* PE info */
797 int pe_subsystem;
798 unsigned pe_characteristics;
799 unsigned pe_file_align;
800 unsigned pe_stack_size;
801 addr_t pe_imagebase;
802 # ifdef TCC_TARGET_X86_64
803 Section *uw_pdata;
804 int uw_sym;
805 unsigned uw_offs;
806 # endif
807 #endif
808
809 #ifdef TCC_IS_NATIVE
810 const char *runtime_main;
811 void **runtime_mem;
812 int nb_runtime_mem;
813 #endif
814
815 /* used by main and tcc_parse_args only */
816 struct filespec **files; /* files seen on command line */
817 int nb_files; /* number thereof */
818 int nb_libraries; /* number of libs thereof */
819 char *outfile; /* output filename */
820 int option_r; /* option -r */
821 int do_bench; /* option -bench */
822 int gen_deps; /* option -MD */
823 char *deps_outfile; /* option -MF */
824 int option_pthread; /* -pthread option */
825 int argc;
826 char **argv;
827 };
828
829 struct filespec {
830 char type;
831 char name[1];
832 };
833
834 /* The current value can be: */
835 #define VT_VALMASK 0x003f /* mask for value location, register or: */
836 #define VT_CONST 0x0030 /* constant in vc (must be first non register value) */
837 #define VT_LLOCAL 0x0031 /* lvalue, offset on stack */
838 #define VT_LOCAL 0x0032 /* offset on stack */
839 #define VT_CMP 0x0033 /* the value is stored in processor flags (in vc) */
840 #define VT_JMP 0x0034 /* value is the consequence of jmp true (even) */
841 #define VT_JMPI 0x0035 /* value is the consequence of jmp false (odd) */
842 #define VT_LVAL 0x0100 /* var is an lvalue */
843 #define VT_SYM 0x0200 /* a symbol value is added */
844 #define VT_MUSTCAST 0x0400 /* value must be casted to be correct (used for
845 char/short stored in integer registers) */
846 #define VT_MUSTBOUND 0x0800 /* bound checking must be done before
847 dereferencing value */
848 #define VT_BOUNDED 0x8000 /* value is bounded. The address of the
849 bounding function call point is in vc */
850 #define VT_LVAL_BYTE 0x1000 /* lvalue is a byte */
851 #define VT_LVAL_SHORT 0x2000 /* lvalue is a short */
852 #define VT_LVAL_UNSIGNED 0x4000 /* lvalue is unsigned */
853 #define VT_LVAL_TYPE (VT_LVAL_BYTE | VT_LVAL_SHORT | VT_LVAL_UNSIGNED)
854
855 /* types */
856 #define VT_BTYPE 0x000f /* mask for basic type */
857 #define VT_VOID 0 /* void type */
858 #define VT_BYTE 1 /* signed byte type */
859 #define VT_SHORT 2 /* short type */
860 #define VT_INT 3 /* integer type */
861 #define VT_LLONG 4 /* 64 bit integer */
862 #define VT_PTR 5 /* pointer */
863 #define VT_FUNC 6 /* function type */
864 #define VT_STRUCT 7 /* struct/union definition */
865 #define VT_FLOAT 8 /* IEEE float */
866 #define VT_DOUBLE 9 /* IEEE double */
867 #define VT_LDOUBLE 10 /* IEEE long double */
868 #define VT_BOOL 11 /* ISOC99 boolean type */
869 #define VT_QLONG 13 /* 128-bit integer. Only used for x86-64 ABI */
870 #define VT_QFLOAT 14 /* 128-bit float. Only used for x86-64 ABI */
871
872 #define VT_UNSIGNED 0x0010 /* unsigned type */
873 #define VT_DEFSIGN 0x0020 /* explicitly signed or unsigned */
874 #define VT_ARRAY 0x0040 /* array type (also has VT_PTR) */
875 #define VT_BITFIELD 0x0080 /* bitfield modifier */
876 #define VT_CONSTANT 0x0100 /* const modifier */
877 #define VT_VOLATILE 0x0200 /* volatile modifier */
878 #define VT_VLA 0x0400 /* VLA type (also has VT_PTR and VT_ARRAY) */
879 #define VT_LONG 0x0800 /* long type (also has VT_INT rsp. VT_LLONG) */
880
881 /* storage */
882 #define VT_EXTERN 0x00001000 /* extern definition */
883 #define VT_STATIC 0x00002000 /* static variable */
884 #define VT_TYPEDEF 0x00004000 /* typedef definition */
885 #define VT_INLINE 0x00008000 /* inline definition */
886 /* currently unused: 0x000[1248]0000 */
887
888 #define VT_STRUCT_SHIFT 20 /* shift for bitfield shift values (32 - 2*6) */
889 #define VT_STRUCT_MASK (((1 << (6+6)) - 1) << VT_STRUCT_SHIFT | VT_BITFIELD)
890 #define BIT_POS(t) (((t) >> VT_STRUCT_SHIFT) & 0x3f)
891 #define BIT_SIZE(t) (((t) >> (VT_STRUCT_SHIFT + 6)) & 0x3f)
892
893 #define VT_UNION (1 << VT_STRUCT_SHIFT | VT_STRUCT)
894 #define VT_ENUM (2 << VT_STRUCT_SHIFT) /* integral type is an enum really */
895 #define VT_ENUM_VAL (3 << VT_STRUCT_SHIFT) /* integral type is an enum constant really */
896
897 #define IS_ENUM(t) ((t & VT_STRUCT_MASK) == VT_ENUM)
898 #define IS_ENUM_VAL(t) ((t & VT_STRUCT_MASK) == VT_ENUM_VAL)
899 #define IS_UNION(t) ((t & (VT_STRUCT_MASK|VT_BTYPE)) == VT_UNION)
900
901 /* type mask (except storage) */
902 #define VT_STORAGE (VT_EXTERN | VT_STATIC | VT_TYPEDEF | VT_INLINE)
903 #define VT_TYPE (~(VT_STORAGE|VT_STRUCT_MASK))
904
905 /* symbol was created by tccasm.c first */
906 #define VT_ASM (VT_VOID | VT_UNSIGNED)
907 #define IS_ASM_SYM(sym) (((sym)->type.t & (VT_BTYPE | VT_ASM)) == VT_ASM)
908
909 /* token values */
910
911 /* warning: the following compare tokens depend on i386 asm code */
912 #define TOK_ULT 0x92
913 #define TOK_UGE 0x93
914 #define TOK_EQ 0x94
915 #define TOK_NE 0x95
916 #define TOK_ULE 0x96
917 #define TOK_UGT 0x97
918 #define TOK_Nset 0x98
919 #define TOK_Nclear 0x99
920 #define TOK_LT 0x9c
921 #define TOK_GE 0x9d
922 #define TOK_LE 0x9e
923 #define TOK_GT 0x9f
924
925 #define TOK_LAND 0xa0
926 #define TOK_LOR 0xa1
927 #define TOK_DEC 0xa2
928 #define TOK_MID 0xa3 /* inc/dec, to void constant */
929 #define TOK_INC 0xa4
930 #define TOK_UDIV 0xb0 /* unsigned division */
931 #define TOK_UMOD 0xb1 /* unsigned modulo */
932 #define TOK_PDIV 0xb2 /* fast division with undefined rounding for pointers */
933
934 /* tokens that carry values (in additional token string space / tokc) --> */
935 #define TOK_CCHAR 0xb3 /* char constant in tokc */
936 #define TOK_LCHAR 0xb4
937 #define TOK_CINT 0xb5 /* number in tokc */
938 #define TOK_CUINT 0xb6 /* unsigned int constant */
939 #define TOK_CLLONG 0xb7 /* long long constant */
940 #define TOK_CULLONG 0xb8 /* unsigned long long constant */
941 #define TOK_STR 0xb9 /* pointer to string in tokc */
942 #define TOK_LSTR 0xba
943 #define TOK_CFLOAT 0xbb /* float constant */
944 #define TOK_CDOUBLE 0xbc /* double constant */
945 #define TOK_CLDOUBLE 0xbd /* long double constant */
946 #define TOK_PPNUM 0xbe /* preprocessor number */
947 #define TOK_PPSTR 0xbf /* preprocessor string */
948 #define TOK_LINENUM 0xc0 /* line number info */
949 #define TOK_TWODOTS 0xa8 /* C++ token ? */
950 /* <-- */
951
952 #define TOK_UMULL 0xc2 /* unsigned 32x32 -> 64 mul */
953 #define TOK_ADDC1 0xc3 /* add with carry generation */
954 #define TOK_ADDC2 0xc4 /* add with carry use */
955 #define TOK_SUBC1 0xc5 /* add with carry generation */
956 #define TOK_SUBC2 0xc6 /* add with carry use */
957 #define TOK_ARROW 0xc7
958 #define TOK_DOTS 0xc8 /* three dots */
959 #define TOK_SHR 0xc9 /* unsigned shift right */
960 #define TOK_TWOSHARPS 0xca /* ## preprocessing token */
961 #define TOK_PLCHLDR 0xcb /* placeholder token as defined in C99 */
962 #define TOK_NOSUBST 0xcc /* means following token has already been pp'd */
963 #define TOK_PPJOIN 0xcd /* A '##' in the right position to mean pasting */
964 #define TOK_CLONG 0xce /* long constant */
965 #define TOK_CULONG 0xcf /* unsigned long constant */
966
967 #define TOK_SHL 0x01 /* shift left */
968 #define TOK_SAR 0x02 /* signed shift right */
969
970 /* assignment operators : normal operator or 0x80 */
971 #define TOK_A_MOD 0xa5
972 #define TOK_A_AND 0xa6
973 #define TOK_A_MUL 0xaa
974 #define TOK_A_ADD 0xab
975 #define TOK_A_SUB 0xad
976 #define TOK_A_DIV 0xaf
977 #define TOK_A_XOR 0xde
978 #define TOK_A_OR 0xfc
979 #define TOK_A_SHL 0x81
980 #define TOK_A_SAR 0x82
981
982 #define TOK_EOF (-1) /* end of file */
983 #define TOK_LINEFEED 10 /* line feed */
984
985 /* all identifiers and strings have token above that */
986 #define TOK_IDENT 256
987
988 #define DEF_ASM(x) DEF(TOK_ASM_ ## x, #x)
989 #define TOK_ASM_int TOK_INT
990 #define DEF_ASMDIR(x) DEF(TOK_ASMDIR_ ## x, "." #x)
991 #define TOK_ASMDIR_FIRST TOK_ASMDIR_byte
992 #define TOK_ASMDIR_LAST TOK_ASMDIR_section
993
994 #if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
995 /* only used for i386 asm opcodes definitions */
996 #define DEF_BWL(x) \
997 DEF(TOK_ASM_ ## x ## b, #x "b") \
998 DEF(TOK_ASM_ ## x ## w, #x "w") \
999 DEF(TOK_ASM_ ## x ## l, #x "l") \
1000 DEF(TOK_ASM_ ## x, #x)
1001 #define DEF_WL(x) \
1002 DEF(TOK_ASM_ ## x ## w, #x "w") \
1003 DEF(TOK_ASM_ ## x ## l, #x "l") \
1004 DEF(TOK_ASM_ ## x, #x)
1005 #ifdef TCC_TARGET_X86_64
1006 # define DEF_BWLQ(x) \
1007 DEF(TOK_ASM_ ## x ## b, #x "b") \
1008 DEF(TOK_ASM_ ## x ## w, #x "w") \
1009 DEF(TOK_ASM_ ## x ## l, #x "l") \
1010 DEF(TOK_ASM_ ## x ## q, #x "q") \
1011 DEF(TOK_ASM_ ## x, #x)
1012 # define DEF_WLQ(x) \
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_BWLX DEF_BWLQ
1018 # define DEF_WLX DEF_WLQ
1019 /* number of sizes + 1 */
1020 # define NBWLX 5
1021 #else
1022 # define DEF_BWLX DEF_BWL
1023 # define DEF_WLX DEF_WL
1024 /* number of sizes + 1 */
1025 # define NBWLX 4
1026 #endif
1027
1028 #define DEF_FP1(x) \
1029 DEF(TOK_ASM_ ## f ## x ## s, "f" #x "s") \
1030 DEF(TOK_ASM_ ## fi ## x ## l, "fi" #x "l") \
1031 DEF(TOK_ASM_ ## f ## x ## l, "f" #x "l") \
1032 DEF(TOK_ASM_ ## fi ## x ## s, "fi" #x "s")
1033
1034 #define DEF_FP(x) \
1035 DEF(TOK_ASM_ ## f ## x, "f" #x ) \
1036 DEF(TOK_ASM_ ## f ## x ## p, "f" #x "p") \
1037 DEF_FP1(x)
1038
1039 #define DEF_ASMTEST(x,suffix) \
1040 DEF_ASM(x ## o ## suffix) \
1041 DEF_ASM(x ## no ## suffix) \
1042 DEF_ASM(x ## b ## suffix) \
1043 DEF_ASM(x ## c ## suffix) \
1044 DEF_ASM(x ## nae ## suffix) \
1045 DEF_ASM(x ## nb ## suffix) \
1046 DEF_ASM(x ## nc ## suffix) \
1047 DEF_ASM(x ## ae ## suffix) \
1048 DEF_ASM(x ## e ## suffix) \
1049 DEF_ASM(x ## z ## suffix) \
1050 DEF_ASM(x ## ne ## suffix) \
1051 DEF_ASM(x ## nz ## suffix) \
1052 DEF_ASM(x ## be ## suffix) \
1053 DEF_ASM(x ## na ## suffix) \
1054 DEF_ASM(x ## nbe ## suffix) \
1055 DEF_ASM(x ## a ## suffix) \
1056 DEF_ASM(x ## s ## suffix) \
1057 DEF_ASM(x ## ns ## suffix) \
1058 DEF_ASM(x ## p ## suffix) \
1059 DEF_ASM(x ## pe ## suffix) \
1060 DEF_ASM(x ## np ## suffix) \
1061 DEF_ASM(x ## po ## suffix) \
1062 DEF_ASM(x ## l ## suffix) \
1063 DEF_ASM(x ## nge ## suffix) \
1064 DEF_ASM(x ## nl ## suffix) \
1065 DEF_ASM(x ## ge ## suffix) \
1066 DEF_ASM(x ## le ## suffix) \
1067 DEF_ASM(x ## ng ## suffix) \
1068 DEF_ASM(x ## nle ## suffix) \
1069 DEF_ASM(x ## g ## suffix)
1070
1071 #endif /* defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64 */
1072
1073 enum tcc_token {
1074 TOK_LAST = TOK_IDENT - 1
1075 #define DEF(id, str) ,id
1076 #include "tcctok.h"
1077 #undef DEF
1078 };
1079
1080 /* keywords: tok >= TOK_IDENT && tok < TOK_UIDENT */
1081 #define TOK_UIDENT TOK_DEFINE
1082
1083 /* ------------ libtcc.c ------------ */
1084
1085 /* use GNU C extensions */
1086 ST_DATA int gnu_ext;
1087 /* use Tiny C extensions */
1088 ST_DATA int tcc_ext;
1089 /* XXX: get rid of this ASAP */
1090 ST_DATA struct TCCState *tcc_state;
1091
1092 /* public functions currently used by the tcc main function */
1093 ST_FUNC char *pstrcpy(char *buf, int buf_size, const char *s);
1094 ST_FUNC char *pstrcat(char *buf, int buf_size, const char *s);
1095 ST_FUNC char *pstrncpy(char *out, const char *in, size_t num);
1096 PUB_FUNC char *tcc_basename(const char *name);
1097 PUB_FUNC char *tcc_fileextension (const char *name);
1098
1099 #ifndef MEM_DEBUG
1100 PUB_FUNC void tcc_free(void *ptr);
1101 PUB_FUNC void *tcc_malloc(unsigned long size);
1102 PUB_FUNC void *tcc_mallocz(unsigned long size);
1103 PUB_FUNC void *tcc_realloc(void *ptr, unsigned long size);
1104 PUB_FUNC char *tcc_strdup(const char *str);
1105 #else
1106 #define tcc_free(ptr) tcc_free_debug(ptr)
1107 #define tcc_malloc(size) tcc_malloc_debug(size, __FILE__, __LINE__)
1108 #define tcc_mallocz(size) tcc_mallocz_debug(size, __FILE__, __LINE__)
1109 #define tcc_realloc(ptr,size) tcc_realloc_debug(ptr, size, __FILE__, __LINE__)
1110 #define tcc_strdup(str) tcc_strdup_debug(str, __FILE__, __LINE__)
1111 PUB_FUNC void tcc_free_debug(void *ptr);
1112 PUB_FUNC void *tcc_malloc_debug(unsigned long size, const char *file, int line);
1113 PUB_FUNC void *tcc_mallocz_debug(unsigned long size, const char *file, int line);
1114 PUB_FUNC void *tcc_realloc_debug(void *ptr, unsigned long size, const char *file, int line);
1115 PUB_FUNC char *tcc_strdup_debug(const char *str, const char *file, int line);
1116 #endif
1117
1118 #define free(p) use_tcc_free(p)
1119 #define malloc(s) use_tcc_malloc(s)
1120 #define realloc(p, s) use_tcc_realloc(p, s)
1121 #undef strdup
1122 #define strdup(s) use_tcc_strdup(s)
1123 PUB_FUNC void tcc_memcheck(void);
1124 PUB_FUNC void tcc_error_noabort(const char *fmt, ...);
1125 PUB_FUNC NORETURN void tcc_error(const char *fmt, ...);
1126 PUB_FUNC void tcc_warning(const char *fmt, ...);
1127
1128 /* other utilities */
1129 ST_FUNC void dynarray_add(void *ptab, int *nb_ptr, void *data);
1130 ST_FUNC void dynarray_reset(void *pp, int *n);
1131 ST_INLN void cstr_ccat(CString *cstr, int ch);
1132 ST_FUNC void cstr_cat(CString *cstr, const char *str, int len);
1133 ST_FUNC void cstr_wccat(CString *cstr, int ch);
1134 ST_FUNC void cstr_new(CString *cstr);
1135 ST_FUNC void cstr_free(CString *cstr);
1136 ST_FUNC void cstr_reset(CString *cstr);
1137
1138 ST_INLN void sym_free(Sym *sym);
1139 ST_FUNC Sym *sym_push2(Sym **ps, int v, int t, int c);
1140 ST_FUNC Sym *sym_find2(Sym *s, int v);
1141 ST_FUNC Sym *sym_push(int v, CType *type, int r, int c);
1142 ST_FUNC void sym_pop(Sym **ptop, Sym *b, int keep);
1143 ST_INLN Sym *struct_find(int v);
1144 ST_INLN Sym *sym_find(int v);
1145 ST_FUNC Sym *global_identifier_push(int v, int t, int c);
1146
1147 ST_FUNC void tcc_open_bf(TCCState *s1, const char *filename, int initlen);
1148 ST_FUNC int tcc_open(TCCState *s1, const char *filename);
1149 ST_FUNC void tcc_close(void);
1150
1151 ST_FUNC int tcc_add_file_internal(TCCState *s1, const char *filename, int flags);
1152 /* flags: */
1153 #define AFF_PRINT_ERROR 0x10 /* print error if file not found */
1154 #define AFF_REFERENCED_DLL 0x20 /* load a referenced dll from another dll */
1155 #define AFF_TYPE_BIN 0x40 /* file to add is binary */
1156 #define AFF_WHOLE_ARCHIVE 0x80 /* load all objects from archive */
1157 /* s->filetype: */
1158 #define AFF_TYPE_NONE 0
1159 #define AFF_TYPE_C 1
1160 #define AFF_TYPE_ASM 2
1161 #define AFF_TYPE_ASMPP 4
1162 #define AFF_TYPE_LIB 8
1163 #define AFF_TYPE_MASK (15 | AFF_TYPE_BIN)
1164 /* values from tcc_object_type(...) */
1165 #define AFF_BINTYPE_REL 1
1166 #define AFF_BINTYPE_DYN 2
1167 #define AFF_BINTYPE_AR 3
1168 #define AFF_BINTYPE_C67 4
1169
1170
1171 ST_FUNC int tcc_add_crt(TCCState *s, const char *filename);
1172 ST_FUNC int tcc_add_dll(TCCState *s, const char *filename, int flags);
1173 ST_FUNC void tcc_add_pragma_libs(TCCState *s1);
1174 PUB_FUNC int tcc_add_library_err(TCCState *s, const char *f);
1175 PUB_FUNC void tcc_print_stats(TCCState *s, unsigned total_time);
1176 PUB_FUNC int tcc_parse_args(TCCState *s, int *argc, char ***argv, int optind);
1177 #ifdef _WIN32
1178 ST_FUNC char *normalize_slashes(char *path);
1179 #endif
1180
1181 /* tcc_parse_args return codes: */
1182 #define OPT_HELP 1
1183 #define OPT_HELP2 2
1184 #define OPT_V 3
1185 #define OPT_PRINT_DIRS 4
1186 #define OPT_AR 5
1187 #define OPT_IMPDEF 6
1188 #define OPT_M32 32
1189 #define OPT_M64 64
1190
1191 /* ------------ tccpp.c ------------ */
1192
1193 ST_DATA struct BufferedFile *file;
1194 ST_DATA int ch, tok;
1195 ST_DATA CValue tokc;
1196 ST_DATA const int *macro_ptr;
1197 ST_DATA int parse_flags;
1198 ST_DATA int tok_flags;
1199 ST_DATA CString tokcstr; /* current parsed string, if any */
1200
1201 /* display benchmark infos */
1202 ST_DATA int total_lines;
1203 ST_DATA int total_bytes;
1204 ST_DATA int tok_ident;
1205 ST_DATA TokenSym **table_ident;
1206
1207 #define TOK_FLAG_BOL 0x0001 /* beginning of line before */
1208 #define TOK_FLAG_BOF 0x0002 /* beginning of file before */
1209 #define TOK_FLAG_ENDIF 0x0004 /* a endif was found matching starting #ifdef */
1210 #define TOK_FLAG_EOF 0x0008 /* end of file */
1211
1212 #define PARSE_FLAG_PREPROCESS 0x0001 /* activate preprocessing */
1213 #define PARSE_FLAG_TOK_NUM 0x0002 /* return numbers instead of TOK_PPNUM */
1214 #define PARSE_FLAG_LINEFEED 0x0004 /* line feed is returned as a
1215 token. line feed is also
1216 returned at eof */
1217 #define PARSE_FLAG_ASM_FILE 0x0008 /* we processing an asm file: '#' can be used for line comment, etc. */
1218 #define PARSE_FLAG_SPACES 0x0010 /* next() returns space tokens (for -E) */
1219 #define PARSE_FLAG_ACCEPT_STRAYS 0x0020 /* next() returns '\\' token */
1220 #define PARSE_FLAG_TOK_STR 0x0040 /* return parsed strings instead of TOK_PPSTR */
1221
1222 /* isidnum_table flags: */
1223 #define IS_SPC 1
1224 #define IS_ID 2
1225 #define IS_NUM 4
1226
1227 ST_FUNC TokenSym *tok_alloc(const char *str, int len);
1228 ST_FUNC const char *get_tok_str(int v, CValue *cv);
1229 ST_FUNC void begin_macro(TokenString *str, int alloc);
1230 ST_FUNC void end_macro(void);
1231 ST_FUNC int set_idnum(int c, int val);
1232 ST_INLN void tok_str_new(TokenString *s);
1233 ST_FUNC TokenString *tok_str_alloc(void);
1234 ST_FUNC void tok_str_free(TokenString *s);
1235 ST_FUNC void tok_str_free_str(int *str);
1236 ST_FUNC void tok_str_add(TokenString *s, int t);
1237 ST_FUNC void tok_str_add_tok(TokenString *s);
1238 ST_INLN void define_push(int v, int macro_type, int *str, Sym *first_arg);
1239 ST_FUNC void define_undef(Sym *s);
1240 ST_INLN Sym *define_find(int v);
1241 ST_FUNC void free_defines(Sym *b);
1242 ST_FUNC Sym *label_find(int v);
1243 ST_FUNC Sym *label_push(Sym **ptop, int v, int flags);
1244 ST_FUNC void label_pop(Sym **ptop, Sym *slast, int keep);
1245 ST_FUNC void parse_define(void);
1246 ST_FUNC void preprocess(int is_bof);
1247 ST_FUNC void next_nomacro(void);
1248 ST_FUNC void next(void);
1249 ST_INLN void unget_tok(int last_tok);
1250 ST_FUNC void preprocess_start(TCCState *s1, int is_asm);
1251 ST_FUNC void preprocess_end(TCCState *s1);
1252 ST_FUNC void tccpp_new(TCCState *s);
1253 ST_FUNC void tccpp_delete(TCCState *s);
1254 ST_FUNC int tcc_preprocess(TCCState *s1);
1255 ST_FUNC void skip(int c);
1256 ST_FUNC NORETURN void expect(const char *msg);
1257
1258 /* space excluding newline */
1259 static inline int is_space(int ch) {
1260 return ch == ' ' || ch == '\t' || ch == '\v' || ch == '\f' || ch == '\r';
1261 }
1262 static inline int isid(int c) {
1263 return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || c == '_';
1264 }
1265 static inline int isnum(int c) {
1266 return c >= '0' && c <= '9';
1267 }
1268 static inline int isoct(int c) {
1269 return c >= '0' && c <= '7';
1270 }
1271 static inline int toup(int c) {
1272 return (c >= 'a' && c <= 'z') ? c - 'a' + 'A' : c;
1273 }
1274
1275 /* ------------ tccgen.c ------------ */
1276
1277 #define SYM_POOL_NB (8192 / sizeof(Sym))
1278 ST_DATA Sym *sym_free_first;
1279 ST_DATA void **sym_pools;
1280 ST_DATA int nb_sym_pools;
1281
1282 ST_DATA Sym *global_stack;
1283 ST_DATA Sym *local_stack;
1284 ST_DATA Sym *local_label_stack;
1285 ST_DATA Sym *global_label_stack;
1286 ST_DATA Sym *define_stack;
1287 ST_DATA CType char_pointer_type, func_old_type, int_type, size_type;
1288 ST_DATA SValue __vstack[1+/*to make bcheck happy*/ VSTACK_SIZE], *vtop, *pvtop;
1289 #define vstack (__vstack + 1)
1290 ST_DATA int rsym, anon_sym, ind, loc;
1291
1292 ST_DATA int const_wanted; /* true if constant wanted */
1293 ST_DATA int nocode_wanted; /* true if no code generation wanted for an expression */
1294 ST_DATA int global_expr; /* true if compound literals must be allocated globally (used during initializers parsing */
1295 ST_DATA CType func_vt; /* current function return type (used by return instruction) */
1296 ST_DATA int func_var; /* true if current function is variadic */
1297 ST_DATA int func_vc;
1298 ST_DATA int last_line_num, last_ind, func_ind; /* debug last line number and pc */
1299 ST_DATA const char *funcname;
1300 ST_DATA int g_debug;
1301
1302 ST_FUNC void tcc_debug_start(TCCState *s1);
1303 ST_FUNC void tcc_debug_end(TCCState *s1);
1304 ST_FUNC void tcc_debug_funcstart(TCCState *s1, Sym *sym);
1305 ST_FUNC void tcc_debug_funcend(TCCState *s1, int size);
1306 ST_FUNC void tcc_debug_line(TCCState *s1);
1307
1308 ST_FUNC int tccgen_compile(TCCState *s1);
1309 ST_FUNC void free_inline_functions(TCCState *s);
1310 ST_FUNC void check_vstack(void);
1311
1312 ST_INLN int is_float(int t);
1313 ST_FUNC int ieee_finite(double d);
1314 ST_FUNC void test_lvalue(void);
1315 ST_FUNC void vpushi(int v);
1316 ST_FUNC ElfSym *elfsym(Sym *);
1317 ST_FUNC void update_storage(Sym *sym);
1318 ST_FUNC Sym *external_global_sym(int v, CType *type, int r);
1319 ST_FUNC void vset(CType *type, int r, int v);
1320 ST_FUNC void vswap(void);
1321 ST_FUNC void vpush_global_sym(CType *type, int v);
1322 ST_FUNC void vrote(SValue *e, int n);
1323 ST_FUNC void vrott(int n);
1324 ST_FUNC void vrotb(int n);
1325 #if PTR_SIZE == 4
1326 ST_FUNC void lexpand(void);
1327 #endif
1328 #ifdef TCC_TARGET_ARM
1329 ST_FUNC int get_reg_ex(int rc, int rc2);
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;
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 ST_FUNC void tccelf_begin_file(TCCState *s1);
1398 ST_FUNC void tccelf_end_file(TCCState *s1);
1399
1400 ST_FUNC Section *new_section(TCCState *s1, const char *name, int sh_type, int sh_flags);
1401 ST_FUNC void section_realloc(Section *sec, unsigned long new_size);
1402 ST_FUNC size_t section_add(Section *sec, addr_t size, int align);
1403 ST_FUNC void *section_ptr_add(Section *sec, addr_t size);
1404 ST_FUNC void section_reserve(Section *sec, unsigned long size);
1405 ST_FUNC Section *find_section(TCCState *s1, const char *name);
1406 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);
1407
1408 ST_FUNC void put_extern_sym2(Sym *sym, int sh_num, addr_t value, unsigned long size, int can_add_underscore);
1409 ST_FUNC void put_extern_sym(Sym *sym, Section *section, addr_t value, unsigned long size);
1410 #if PTR_SIZE == 4
1411 ST_FUNC void greloc(Section *s, Sym *sym, unsigned long offset, int type);
1412 #endif
1413 ST_FUNC void greloca(Section *s, Sym *sym, unsigned long offset, int type, addr_t addend);
1414
1415 ST_FUNC int put_elf_str(Section *s, const char *sym);
1416 ST_FUNC int put_elf_sym(Section *s, addr_t value, unsigned long size, int info, int other, int shndx, const char *name);
1417 ST_FUNC int set_elf_sym(Section *s, addr_t value, unsigned long size, int info, int other, int shndx, const char *name);
1418 ST_FUNC int find_elf_sym(Section *s, const char *name);
1419 ST_FUNC void put_elf_reloc(Section *symtab, Section *s, unsigned long offset, int type, int symbol);
1420 ST_FUNC void put_elf_reloca(Section *symtab, Section *s, unsigned long offset, int type, int symbol, addr_t addend);
1421
1422 ST_FUNC void put_stabs(const char *str, int type, int other, int desc, unsigned long value);
1423 ST_FUNC void put_stabs_r(const char *str, int type, int other, int desc, unsigned long value, Section *sec, int sym_index);
1424 ST_FUNC void put_stabn(int type, int other, int desc, int value);
1425 ST_FUNC void put_stabd(int type, int other, int desc);
1426
1427 ST_FUNC void resolve_common_syms(TCCState *s1);
1428 ST_FUNC void relocate_syms(TCCState *s1, Section *symtab, int do_resolve);
1429 ST_FUNC void relocate_section(TCCState *s1, Section *s);
1430
1431 ST_FUNC int tcc_object_type(int fd, ElfW(Ehdr) *h);
1432 ST_FUNC int tcc_load_object_file(TCCState *s1, int fd, unsigned long file_offset);
1433 ST_FUNC int tcc_load_archive(TCCState *s1, int fd, int alacarte);
1434 ST_FUNC void tcc_add_bcheck(TCCState *s1);
1435 ST_FUNC void tcc_add_runtime(TCCState *s1);
1436
1437 ST_FUNC void build_got_entries(TCCState *s1);
1438 ST_FUNC struct sym_attr *get_sym_attr(TCCState *s1, int index, int alloc);
1439 ST_FUNC void squeeze_multi_relocs(Section *sec, size_t oldrelocoffset);
1440
1441 ST_FUNC addr_t get_elf_sym_addr(TCCState *s, const char *name, int err);
1442 #if defined TCC_IS_NATIVE || defined TCC_TARGET_PE
1443 ST_FUNC void *tcc_get_symbol_err(TCCState *s, const char *name);
1444 #endif
1445
1446 #ifndef TCC_TARGET_PE
1447 ST_FUNC int tcc_load_dll(TCCState *s1, int fd, const char *filename, int level);
1448 ST_FUNC int tcc_load_ldscript(TCCState *s1);
1449 ST_FUNC uint8_t *parse_comment(uint8_t *p);
1450 ST_FUNC void minp(void);
1451 ST_INLN void inp(void);
1452 ST_FUNC int handle_eob(void);
1453 #endif
1454
1455 /* ------------ xxx-link.c ------------ */
1456
1457 /* Whether to generate a GOT/PLT entry and when. NO_GOTPLT_ENTRY is first so
1458 that unknown relocation don't create a GOT or PLT entry */
1459 enum gotplt_entry {
1460 NO_GOTPLT_ENTRY, /* never generate (eg. GLOB_DAT & JMP_SLOT relocs) */
1461 BUILD_GOT_ONLY, /* only build GOT (eg. TPOFF relocs) */
1462 AUTO_GOTPLT_ENTRY, /* generate if sym is UNDEF */
1463 ALWAYS_GOTPLT_ENTRY /* always generate (eg. PLTOFF relocs) */
1464 };
1465
1466 ST_FUNC int code_reloc (int reloc_type);
1467 ST_FUNC int gotplt_entry_type (int reloc_type);
1468 ST_FUNC unsigned create_plt_entry(TCCState *s1, unsigned got_offset, struct sym_attr *attr);
1469 ST_FUNC void relocate_init(Section *sr);
1470 ST_FUNC void relocate(TCCState *s1, ElfW_Rel *rel, int type, unsigned char *ptr, addr_t addr, addr_t val);
1471 ST_FUNC void relocate_plt(TCCState *s1);
1472
1473 /* ------------ xxx-gen.c ------------ */
1474
1475 ST_DATA const int reg_classes[NB_REGS];
1476
1477 ST_FUNC void gsym_addr(int t, int a);
1478 ST_FUNC void gsym(int t);
1479 ST_FUNC void load(int r, SValue *sv);
1480 ST_FUNC void store(int r, SValue *v);
1481 ST_FUNC int gfunc_sret(CType *vt, int variadic, CType *ret, int *align, int *regsize);
1482 ST_FUNC void gfunc_call(int nb_args);
1483 ST_FUNC void gfunc_prolog(CType *func_type);
1484 ST_FUNC void gfunc_epilog(void);
1485 ST_FUNC void gen_fill_nops(int);
1486 ST_FUNC int gjmp(int t);
1487 ST_FUNC void gjmp_addr(int a);
1488 ST_FUNC int gtst(int inv, int t);
1489 #if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
1490 ST_FUNC void gtst_addr(int inv, int a);
1491 #else
1492 #define gtst_addr(inv, a) gsym_addr(gtst(inv, 0), a)
1493 #endif
1494 ST_FUNC void gen_opi(int op);
1495 ST_FUNC void gen_opf(int op);
1496 ST_FUNC void gen_cvt_ftoi(int t);
1497 ST_FUNC void gen_cvt_ftof(int t);
1498 ST_FUNC void ggoto(void);
1499 #ifndef TCC_TARGET_C67
1500 ST_FUNC void o(unsigned int c);
1501 #endif
1502 #ifndef TCC_TARGET_ARM
1503 ST_FUNC void gen_cvt_itof(int t);
1504 #endif
1505 ST_FUNC void gen_vla_sp_save(int addr);
1506 ST_FUNC void gen_vla_sp_restore(int addr);
1507 ST_FUNC void gen_vla_alloc(CType *type, int align);
1508
1509 static inline uint16_t read16le(unsigned char *p) {
1510 return p[0] | (uint16_t)p[1] << 8;
1511 }
1512 static inline void write16le(unsigned char *p, uint16_t x) {
1513 p[0] = x & 255; p[1] = x >> 8 & 255;
1514 }
1515 static inline uint32_t read32le(unsigned char *p) {
1516 return read16le(p) | (uint32_t)read16le(p + 2) << 16;
1517 }
1518 static inline void write32le(unsigned char *p, uint32_t x) {
1519 write16le(p, x); write16le(p + 2, x >> 16);
1520 }
1521 static inline void add32le(unsigned char *p, int32_t x) {
1522 write32le(p, read32le(p) + x);
1523 }
1524 static inline uint64_t read64le(unsigned char *p) {
1525 return read32le(p) | (uint64_t)read32le(p + 4) << 32;
1526 }
1527 static inline void write64le(unsigned char *p, uint64_t x) {
1528 write32le(p, x); write32le(p + 4, x >> 32);
1529 }
1530 static inline void add64le(unsigned char *p, int64_t x) {
1531 write64le(p, read64le(p) + x);
1532 }
1533
1534 /* ------------ i386-gen.c ------------ */
1535 #if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
1536 ST_FUNC void g(int c);
1537 ST_FUNC void gen_le16(int c);
1538 ST_FUNC void gen_le32(int c);
1539 ST_FUNC void gen_addr32(int r, Sym *sym, int c);
1540 ST_FUNC void gen_addrpc32(int r, Sym *sym, int c);
1541 #endif
1542
1543 #ifdef CONFIG_TCC_BCHECK
1544 ST_FUNC void gen_bounded_ptr_add(void);
1545 ST_FUNC void gen_bounded_ptr_deref(void);
1546 #endif
1547
1548 /* ------------ x86_64-gen.c ------------ */
1549 #ifdef TCC_TARGET_X86_64
1550 ST_FUNC void gen_addr64(int r, Sym *sym, int64_t c);
1551 ST_FUNC void gen_opl(int op);
1552 #ifdef TCC_TARGET_PE
1553 ST_FUNC void gen_vla_result(int addr);
1554 #endif
1555 #endif
1556
1557 /* ------------ arm-gen.c ------------ */
1558 #ifdef TCC_TARGET_ARM
1559 #if defined(TCC_ARM_EABI) && !defined(CONFIG_TCC_ELFINTERP)
1560 PUB_FUNC const char *default_elfinterp(struct TCCState *s);
1561 #endif
1562 ST_FUNC void arm_init(struct TCCState *s);
1563 ST_FUNC void gen_cvt_itof1(int t);
1564 #endif
1565
1566 /* ------------ arm64-gen.c ------------ */
1567 #ifdef TCC_TARGET_ARM64
1568 ST_FUNC void gen_cvt_sxtw(void);
1569 ST_FUNC void gen_opl(int op);
1570 ST_FUNC void gfunc_return(CType *func_type);
1571 ST_FUNC void gen_va_start(void);
1572 ST_FUNC void gen_va_arg(CType *t);
1573 ST_FUNC void gen_clear_cache(void);
1574 #endif
1575
1576 /* ------------ c67-gen.c ------------ */
1577 #ifdef TCC_TARGET_C67
1578 #endif
1579
1580 /* ------------ tcccoff.c ------------ */
1581
1582 #ifdef TCC_TARGET_COFF
1583 ST_FUNC int tcc_output_coff(TCCState *s1, FILE *f);
1584 ST_FUNC int tcc_load_coff(TCCState * s1, int fd);
1585 #endif
1586
1587 /* ------------ tccasm.c ------------ */
1588 ST_FUNC void asm_instr(void);
1589 ST_FUNC void asm_global_instr(void);
1590 #ifdef CONFIG_TCC_ASM
1591 ST_FUNC int find_constraint(ASMOperand *operands, int nb_operands, const char *name, const char **pp);
1592 ST_FUNC Sym* get_asm_sym(int name, Sym *csym);
1593 ST_FUNC void asm_expr(TCCState *s1, ExprValue *pe);
1594 ST_FUNC int asm_int_expr(TCCState *s1);
1595 ST_FUNC int tcc_assemble(TCCState *s1, int do_preprocess);
1596 /* ------------ i386-asm.c ------------ */
1597 ST_FUNC void gen_expr32(ExprValue *pe);
1598 #ifdef TCC_TARGET_X86_64
1599 ST_FUNC void gen_expr64(ExprValue *pe);
1600 #endif
1601 ST_FUNC void asm_opcode(TCCState *s1, int opcode);
1602 ST_FUNC int asm_parse_regvar(int t);
1603 ST_FUNC void asm_compute_constraints(ASMOperand *operands, int nb_operands, int nb_outputs, const uint8_t *clobber_regs, int *pout_reg);
1604 ST_FUNC void subst_asm_operand(CString *add_str, SValue *sv, int modifier);
1605 ST_FUNC void asm_gen_code(ASMOperand *operands, int nb_operands, int nb_outputs, int is_output, uint8_t *clobber_regs, int out_reg);
1606 ST_FUNC void asm_clobber(uint8_t *clobber_regs, const char *str);
1607 #endif
1608
1609 /* ------------ tccpe.c -------------- */
1610 #ifdef TCC_TARGET_PE
1611 ST_FUNC int pe_load_file(struct TCCState *s1, const char *filename, int fd);
1612 ST_FUNC int pe_output_file(TCCState * s1, const char *filename);
1613 ST_FUNC int pe_putimport(TCCState *s1, int dllindex, const char *name, addr_t value);
1614 #if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
1615 ST_FUNC SValue *pe_getimport(SValue *sv, SValue *v2);
1616 #endif
1617 #ifdef TCC_TARGET_X86_64
1618 ST_FUNC void pe_add_unwind_data(unsigned start, unsigned end, unsigned stack);
1619 #endif
1620 PUB_FUNC int tcc_get_dllexports(const char *filename, char **pp);
1621 /* symbol properties stored in Elf32_Sym->st_other */
1622 # define ST_PE_EXPORT 0x10
1623 # define ST_PE_IMPORT 0x20
1624 # define ST_PE_STDCALL 0x40
1625 #endif
1626 #define ST_ASM_SET 0x04
1627
1628 /* ------------ tccrun.c ----------------- */
1629 #ifdef TCC_IS_NATIVE
1630 #ifdef CONFIG_TCC_STATIC
1631 #define RTLD_LAZY 0x001
1632 #define RTLD_NOW 0x002
1633 #define RTLD_GLOBAL 0x100
1634 #define RTLD_DEFAULT NULL
1635 /* dummy function for profiling */
1636 ST_FUNC void *dlopen(const char *filename, int flag);
1637 ST_FUNC void dlclose(void *p);
1638 ST_FUNC const char *dlerror(void);
1639 ST_FUNC void *dlsym(void *handle, const char *symbol);
1640 #endif
1641 #ifdef CONFIG_TCC_BACKTRACE
1642 ST_DATA int rt_num_callers;
1643 ST_DATA const char **rt_bound_error_msg;
1644 ST_DATA void *rt_prog_main;
1645 ST_FUNC void tcc_set_num_callers(int n);
1646 #endif
1647 ST_FUNC void tcc_run_free(TCCState *s1);
1648 #endif
1649
1650 /* ------------ tcctools.c ----------------- */
1651 #if 0 /* included in tcc.c */
1652 ST_FUNC int tcc_tool_ar(TCCState *s, int argc, char **argv);
1653 #ifdef TCC_TARGET_PE
1654 ST_FUNC int tcc_tool_impdef(TCCState *s, int argc, char **argv);
1655 #endif
1656 ST_FUNC void tcc_tool_cross(TCCState *s, char **argv, int option);
1657 ST_FUNC void gen_makedeps(TCCState *s, const char *target, const char *filename);
1658 #endif
1659
1660 /********************************************************/
1661 #undef ST_DATA
1662 #if ONE_SOURCE
1663 #define ST_DATA static
1664 #else
1665 #define ST_DATA
1666 #endif
1667 /********************************************************/
1668 #endif /* _TCC_H */
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