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USES: add zlib
[tinycc.git] / tcc.h
blobbca6f65d3cfb1591a0862ed542e924171475209d
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 #define _DARWIN_C_SOURCE
26 #include "config.h"
27
28 #include <stdarg.h>
29 #include <stdlib.h>
30 #include <stdio.h>
31 #include <string.h>
32 #include <errno.h>
33 #include <math.h>
34 #include <fcntl.h>
35 #include <setjmp.h>
36 #include <time.h>
37
38 #ifndef _WIN32
39 # define WIN32_LEAN_AND_MEAN 1
40 # include <unistd.h>
41 # include <sys/time.h>
42 # ifndef CONFIG_TCC_STATIC
43 # include <dlfcn.h>
44 # endif
45 /* XXX: need to define this to use them in non ISOC99 context */
46 extern float strtof (const char *__nptr, char **__endptr);
47 extern long double strtold (const char *__nptr, char **__endptr);
48 #endif
49
50 #ifdef _WIN32
51 # define WIN32_LEAN_AND_MEAN
52 # include <windows.h>
53 # include <io.h> /* open, close etc. */
54 # include <direct.h> /* getcwd */
55 # ifdef __GNUC__
56 # include <stdint.h>
57 # endif
58 # define inline __inline
59 # define snprintf _snprintf
60 # define vsnprintf _vsnprintf
61 # ifndef __GNUC__
62 # define strtold (long double)strtod
63 # define strtof (float)strtod
64 # define strtoll _strtoi64
65 # define strtoull _strtoui64
66 # endif
67 # ifdef LIBTCC_AS_DLL
68 # define LIBTCCAPI __declspec(dllexport)
69 # define PUB_FUNC LIBTCCAPI
70 # endif
71 # define inp next_inp /* inp is an intrinsic on msvc/mingw */
72 # ifdef _MSC_VER
73 # pragma warning (disable : 4244) // conversion from 'uint64_t' to 'int', possible loss of data
74 # pragma warning (disable : 4267) // conversion from 'size_t' to 'int', possible loss of data
75 # pragma warning (disable : 4996) // The POSIX name for this item is deprecated. Instead, use the ISO C and C++ conformant name
76 # pragma warning (disable : 4018) // signed/unsigned mismatch
77 # pragma warning (disable : 4146) // unary minus operator applied to unsigned type, result still unsigned
78 # define ssize_t intptr_t
79 # ifdef _X86_
80 # define __i386__ 1
81 # endif
82 # ifdef _AMD64_
83 # define __x86_64__ 1
84 # endif
85 # endif
86 # undef CONFIG_TCC_STATIC
87 #endif
88
89 #ifndef O_BINARY
90 # define O_BINARY 0
91 #endif
92
93 #ifndef offsetof
94 #define offsetof(type, field) ((size_t) &((type *)0)->field)
95 #endif
96
97 #ifndef countof
98 #define countof(tab) (sizeof(tab) / sizeof((tab)[0]))
99 #endif
100
101 #ifdef _MSC_VER
102 # define NORETURN __declspec(noreturn)
103 # define ALIGNED(x) __declspec(align(x))
104 # define PRINTF_LIKE(x,y)
105 #else
106 # define NORETURN __attribute__((noreturn))
107 # define ALIGNED(x) __attribute__((aligned(x)))
108 # define PRINTF_LIKE(x,y) __attribute__ ((format (printf, (x), (y))))
109 #endif
110
111 /* gnu headers use to #define __attribute__ to empty for non-gcc compilers */
112 #ifdef __TINYC__
113 # undef __attribute__
114 #endif
115
116 #ifdef _WIN32
117 # define IS_DIRSEP(c) (c == '/' || c == '\\')
118 # define IS_ABSPATH(p) (IS_DIRSEP(p[0]) || (p[0] && p[1] == ':' && IS_DIRSEP(p[2])))
119 # define PATHCMP stricmp
120 # define PATHSEP ";"
121 #else
122 # define IS_DIRSEP(c) (c == '/')
123 # define IS_ABSPATH(p) IS_DIRSEP(p[0])
124 # define PATHCMP strcmp
125 # define PATHSEP ":"
126 #endif
127
128 /* -------------------------------------------- */
129
130 /* parser debug */
131 /* #define PARSE_DEBUG */
132 /* preprocessor debug */
133 /* #define PP_DEBUG */
134 /* include file debug */
135 /* #define INC_DEBUG */
136 /* memory leak debug (only for single threaded usage) */
137 /* #define MEM_DEBUG */
138 /* assembler debug */
139 /* #define ASM_DEBUG */
140
141 /* target selection */
142 /* #define TCC_TARGET_I386 *//* i386 code generator */
143 /* #define TCC_TARGET_X86_64 *//* x86-64 code generator */
144 /* #define TCC_TARGET_ARM *//* ARMv4 code generator */
145 /* #define TCC_TARGET_ARM64 *//* ARMv8 code generator */
146 /* #define TCC_TARGET_C67 *//* TMS320C67xx code generator */
147 /* #define TCC_TARGET_RISCV64 *//* risc-v code generator */
148
149 /* default target is I386 */
150 #if !defined(TCC_TARGET_I386) && !defined(TCC_TARGET_ARM) && \
151 !defined(TCC_TARGET_ARM64) && !defined(TCC_TARGET_C67) && \
152 !defined(TCC_TARGET_X86_64) && !defined(TCC_TARGET_RISCV64)
153 # if defined __x86_64__
154 # define TCC_TARGET_X86_64
155 # elif defined __arm__
156 # define TCC_TARGET_ARM
157 # define TCC_ARM_EABI
158 # define TCC_ARM_VFP
159 # define TCC_ARM_HARDFLOAT
160 # elif defined __aarch64__
161 # define TCC_TARGET_ARM64
162 # elif defined __riscv
163 # define TCC_TARGET_RISCV64
164 # else
165 # define TCC_TARGET_I386
166 # endif
167 # ifdef _WIN32
168 # define TCC_TARGET_PE 1
169 # endif
170 #endif
171
172 /* only native compiler supports -run */
173 #if defined _WIN32 == defined TCC_TARGET_PE
174 # if defined __i386__ && defined TCC_TARGET_I386
175 # define TCC_IS_NATIVE
176 # elif defined __x86_64__ && defined TCC_TARGET_X86_64
177 # define TCC_IS_NATIVE
178 # elif defined __arm__ && defined TCC_TARGET_ARM
179 # define TCC_IS_NATIVE
180 # elif defined __aarch64__ && defined TCC_TARGET_ARM64
181 # define TCC_IS_NATIVE
182 # elif defined __riscv && defined __LP64__ && defined TCC_TARGET_RISCV64
183 # define TCC_IS_NATIVE
184 # endif
185 #endif
186
187 #if defined TCC_IS_NATIVE && !defined CONFIG_TCCBOOT
188 # define CONFIG_TCC_BACKTRACE
189 # if (defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64 || \
190 defined TCC_TARGET_ARM || defined TCC_TARGET_ARM64) || \
191 defined TCC_TARGET_RISCV64 \
192 && !defined TCC_UCLIBC && !defined TCC_MUSL
193 # define CONFIG_TCC_BCHECK /* enable bound checking code */
194 # endif
195 #endif
196
197 #if defined TCC_TARGET_PE || defined TCC_TARGET_MACHO
198 # define ELF_OBJ_ONLY /* create elf .o but native executables */
199 #endif
200
201 /* ------------ path configuration ------------ */
202
203 #ifndef CONFIG_SYSROOT
204 # define CONFIG_SYSROOT ""
205 #endif
206 #ifndef CONFIG_TCCDIR
207 # define CONFIG_TCCDIR "/usr/local/lib/tcc"
208 #endif
209 #ifndef CONFIG_LDDIR
210 # define CONFIG_LDDIR "lib"
211 #endif
212 #ifdef CONFIG_TRIPLET
213 # define USE_TRIPLET(s) s "/" CONFIG_TRIPLET
214 # define ALSO_TRIPLET(s) USE_TRIPLET(s) ":" s
215 #else
216 # define USE_TRIPLET(s) s
217 # define ALSO_TRIPLET(s) s
218 #endif
219
220 /* path to find crt1.o, crti.o and crtn.o */
221 #ifndef CONFIG_TCC_CRTPREFIX
222 # define CONFIG_TCC_CRTPREFIX USE_TRIPLET(CONFIG_SYSROOT "/usr/" CONFIG_LDDIR)
223 #endif
224
225 #ifndef CONFIG_USR_INCLUDE
226 # define CONFIG_USR_INCLUDE "/usr/include"
227 #endif
228
229 /* Below: {B} is substituted by CONFIG_TCCDIR (rsp. -B option) */
230
231 /* system include paths */
232 #ifndef CONFIG_TCC_SYSINCLUDEPATHS
233 # if defined TCC_TARGET_PE || defined _WIN32
234 # define CONFIG_TCC_SYSINCLUDEPATHS "{B}/include"PATHSEP"{B}/include/winapi"
235 # else
236 # define CONFIG_TCC_SYSINCLUDEPATHS \
237 "{B}/include" \
238 ":" ALSO_TRIPLET(CONFIG_SYSROOT "/usr/local/include") \
239 ":" ALSO_TRIPLET(CONFIG_SYSROOT CONFIG_USR_INCLUDE)
240 # endif
241 #endif
242
243 /* library search paths */
244 #ifndef CONFIG_TCC_LIBPATHS
245 # ifdef TCC_TARGET_PE
246 # define CONFIG_TCC_LIBPATHS "{B}/lib"
247 # else
248 # define CONFIG_TCC_LIBPATHS \
249 ALSO_TRIPLET(CONFIG_SYSROOT "/usr/" CONFIG_LDDIR) \
250 ":" ALSO_TRIPLET(CONFIG_SYSROOT "/" CONFIG_LDDIR) \
251 ":" ALSO_TRIPLET(CONFIG_SYSROOT "/usr/local/" CONFIG_LDDIR)
252 # endif
253 #endif
254
255 /* name of ELF interpreter */
256 #ifndef CONFIG_TCC_ELFINTERP
257 # if defined __FreeBSD__
258 # define CONFIG_TCC_ELFINTERP "/libexec/ld-elf.so.1"
259 # elif defined __FreeBSD_kernel__
260 # if defined(TCC_TARGET_X86_64)
261 # define CONFIG_TCC_ELFINTERP "/lib/ld-kfreebsd-x86-64.so.1"
262 # else
263 # define CONFIG_TCC_ELFINTERP "/lib/ld.so.1"
264 # endif
265 # elif defined __DragonFly__
266 # define CONFIG_TCC_ELFINTERP "/usr/libexec/ld-elf.so.2"
267 # elif defined __NetBSD__
268 # define CONFIG_TCC_ELFINTERP "/usr/libexec/ld.elf_so"
269 # elif defined __GNU__
270 # define CONFIG_TCC_ELFINTERP "/lib/ld.so"
271 # elif defined(TCC_TARGET_PE)
272 # define CONFIG_TCC_ELFINTERP "-"
273 # elif defined(TCC_UCLIBC)
274 # define CONFIG_TCC_ELFINTERP "/lib/ld-uClibc.so.0" /* is there a uClibc for x86_64 ? */
275 # elif defined TCC_TARGET_ARM64
276 # if defined(TCC_MUSL)
277 # define CONFIG_TCC_ELFINTERP "/lib/ld-musl-aarch64.so.1"
278 # else
279 # define CONFIG_TCC_ELFINTERP "/lib/ld-linux-aarch64.so.1"
280 # endif
281 # elif defined(TCC_TARGET_X86_64)
282 # if defined(TCC_MUSL)
283 # define CONFIG_TCC_ELFINTERP "/lib/ld-musl-x86_64.so.1"
284 # else
285 # define CONFIG_TCC_ELFINTERP "/lib64/ld-linux-x86-64.so.2"
286 # endif
287 # elif defined(TCC_TARGET_RISCV64)
288 # define CONFIG_TCC_ELFINTERP "/lib/ld-linux-riscv64-lp64d.so.1"
289 # elif !defined(TCC_ARM_EABI)
290 # if defined(TCC_MUSL)
291 # if defined(TCC_TARGET_I386)
292 # define CONFIG_TCC_ELFINTERP "/lib/ld-musl-i386.so.1"
293 # else
294 # define CONFIG_TCC_ELFINTERP "/lib/ld-musl-arm.so.1"
295 # endif
296 # else
297 # define CONFIG_TCC_ELFINTERP "/lib/ld-linux.so.2"
298 # endif
299 # endif
300 #endif
301
302 /* var elf_interp dans *-gen.c */
303 #ifdef CONFIG_TCC_ELFINTERP
304 # define DEFAULT_ELFINTERP(s) CONFIG_TCC_ELFINTERP
305 #else
306 # define DEFAULT_ELFINTERP(s) default_elfinterp(s)
307 #endif
308
309 /* (target specific) libtcc1.a */
310 #ifndef TCC_LIBTCC1
311 # define TCC_LIBTCC1 "libtcc1.a"
312 #endif
313
314 /* library to use with CONFIG_USE_LIBGCC instead of libtcc1.a */
315 #if defined CONFIG_USE_LIBGCC && !defined TCC_LIBGCC
316 #define TCC_LIBGCC USE_TRIPLET(CONFIG_SYSROOT "/" CONFIG_LDDIR) "/libgcc_s.so.1"
317 #endif
318
319 /* -------------------------------------------- */
320
321 #include "libtcc.h"
322 #include "elf.h"
323 #include "stab.h"
324
325 /* -------------------------------------------- */
326
327 #ifndef PUB_FUNC /* functions used by tcc.c but not in libtcc.h */
328 # define PUB_FUNC
329 #endif
330
331 #ifndef ONE_SOURCE
332 # define ONE_SOURCE 1
333 #endif
334
335 /* support using libtcc from threads */
336 #define CONFIG_TCC_SEMLOCK
337
338 #if ONE_SOURCE
339 #define ST_INLN static inline
340 #define ST_FUNC static
341 #define ST_DATA static
342 #else
343 #define ST_INLN
344 #define ST_FUNC
345 #define ST_DATA extern
346 #endif
347
348 #ifdef TCC_PROFILE /* profile all functions */
349 # define static
350 #endif
351
352 /* -------------------------------------------- */
353 /* include the target specific definitions */
354
355 #define TARGET_DEFS_ONLY
356 #ifdef TCC_TARGET_I386
357 # include "i386-gen.c"
358 # include "i386-link.c"
359 #elif defined TCC_TARGET_X86_64
360 # include "x86_64-gen.c"
361 # include "x86_64-link.c"
362 #elif defined TCC_TARGET_ARM
363 # include "arm-gen.c"
364 # include "arm-link.c"
365 # include "arm-asm.c"
366 #elif defined TCC_TARGET_ARM64
367 # include "arm64-gen.c"
368 # include "arm64-link.c"
369 # include "arm-asm.c"
370 #elif defined TCC_TARGET_C67
371 # define TCC_TARGET_COFF
372 # include "coff.h"
373 # include "c67-gen.c"
374 # include "c67-link.c"
375 #elif defined(TCC_TARGET_RISCV64)
376 # include "riscv64-gen.c"
377 # include "riscv64-link.c"
378 # include "riscv64-asm.c"
379 #else
380 #error unknown target
381 #endif
382 #undef TARGET_DEFS_ONLY
383
384 /* -------------------------------------------- */
385
386 #if PTR_SIZE == 8
387 # define ELFCLASSW ELFCLASS64
388 # define ElfW(type) Elf##64##_##type
389 # define ELFW(type) ELF##64##_##type
390 # define ElfW_Rel ElfW(Rela)
391 # define SHT_RELX SHT_RELA
392 # define REL_SECTION_FMT ".rela%s"
393 #else
394 # define ELFCLASSW ELFCLASS32
395 # define ElfW(type) Elf##32##_##type
396 # define ELFW(type) ELF##32##_##type
397 # define ElfW_Rel ElfW(Rel)
398 # define SHT_RELX SHT_REL
399 # define REL_SECTION_FMT ".rel%s"
400 #endif
401 /* target address type */
402 #define addr_t ElfW(Addr)
403 #define ElfSym ElfW(Sym)
404
405 #if PTR_SIZE == 8 && !defined TCC_TARGET_PE
406 # define LONG_SIZE 8
407 #else
408 # define LONG_SIZE 4
409 #endif
410
411 /* -------------------------------------------- */
412
413 #define INCLUDE_STACK_SIZE 32
414 #define IFDEF_STACK_SIZE 64
415 #define VSTACK_SIZE 256
416 #define STRING_MAX_SIZE 1024
417 #define TOKSTR_MAX_SIZE 256
418 #define PACK_STACK_SIZE 8
419
420 #define TOK_HASH_SIZE 16384 /* must be a power of two */
421 #define TOK_ALLOC_INCR 512 /* must be a power of two */
422 #define TOK_MAX_SIZE 4 /* token max size in int unit when stored in string */
423
424 /* token symbol management */
425 typedef struct TokenSym {
426 struct TokenSym *hash_next;
427 struct Sym *sym_define; /* direct pointer to define */
428 struct Sym *sym_label; /* direct pointer to label */
429 struct Sym *sym_struct; /* direct pointer to structure */
430 struct Sym *sym_identifier; /* direct pointer to identifier */
431 int tok; /* token number */
432 int len;
433 char str[1];
434 } TokenSym;
435
436 #ifdef TCC_TARGET_PE
437 typedef unsigned short nwchar_t;
438 #else
439 typedef int nwchar_t;
440 #endif
441
442 typedef struct CString {
443 int size; /* size in bytes */
444 void *data; /* either 'char *' or 'nwchar_t *' */
445 int size_allocated;
446 } CString;
447
448 /* type definition */
449 typedef struct CType {
450 int t;
451 struct Sym *ref;
452 } CType;
453
454 /* constant value */
455 typedef union CValue {
456 long double ld;
457 double d;
458 float f;
459 uint64_t i;
460 struct {
461 const void *data;
462 int size;
463 } str;
464 int tab[LDOUBLE_SIZE/4];
465 } CValue;
466
467 /* value on stack */
468 typedef struct SValue {
469 CType type; /* type */
470 unsigned short r; /* register + flags */
471 unsigned short r2; /* second register, used for 'long long'
472 type. If not used, set to VT_CONST */
473 union {
474 struct { int jtrue, jfalse; }; /* forward jmps */
475 CValue c; /* constant, if VT_CONST */
476 };
477 union {
478 struct { unsigned short cmp_op, cmp_r; }; /* VT_CMP operation */
479 struct Sym *sym; /* symbol, if (VT_SYM | VT_CONST), or if */
480 }; /* result of unary() for an identifier. */
481
482 } SValue;
483
484 /* symbol attributes */
485 struct SymAttr {
486 unsigned short
487 aligned : 5, /* alignment as log2+1 (0 == unspecified) */
488 packed : 1,
489 weak : 1,
490 visibility : 2,
491 dllexport : 1,
492 nodecorate : 1,
493 dllimport : 1,
494 addrtaken : 1,
495 xxxx : 3; /* not used */
496 };
497
498 /* function attributes or temporary attributes for parsing */
499 struct FuncAttr {
500 unsigned
501 func_call : 3, /* calling convention (0..5), see below */
502 func_type : 2, /* FUNC_OLD/NEW/ELLIPSIS */
503 func_noreturn : 1, /* attribute((noreturn)) */
504 func_ctor : 1, /* attribute((constructor)) */
505 func_dtor : 1, /* attribute((destructor)) */
506 func_args : 8, /* PE __stdcall args */
507 func_alwinl : 1, /* always_inline */
508 xxxx :15;
509 };
510
511 /* symbol management */
512 typedef struct Sym {
513 int v; /* symbol token */
514 unsigned short r; /* associated register or VT_CONST/VT_LOCAL and LVAL type */
515 struct SymAttr a; /* symbol attributes */
516 union {
517 struct {
518 int c; /* associated number or Elf symbol index */
519 union {
520 int sym_scope; /* scope level for locals */
521 int jnext; /* next jump label */
522 struct FuncAttr f; /* function attributes */
523 int auxtype; /* bitfield access type */
524 };
525 };
526 long long enum_val; /* enum constant if IS_ENUM_VAL */
527 int *d; /* define token stream */
528 struct Sym *ncl; /* next cleanup */
529 };
530 CType type; /* associated type */
531 union {
532 struct Sym *next; /* next related symbol (for fields and anoms) */
533 struct Sym *cleanupstate; /* in defined labels */
534 int asm_label; /* associated asm label */
535 };
536 struct Sym *prev; /* prev symbol in stack */
537 struct Sym *prev_tok; /* previous symbol for this token */
538 } Sym;
539
540 /* section definition */
541 typedef struct Section {
542 unsigned long data_offset; /* current data offset */
543 unsigned char *data; /* section data */
544 unsigned long data_allocated; /* used for realloc() handling */
545 TCCState *s1;
546 int sh_name; /* elf section name (only used during output) */
547 int sh_num; /* elf section number */
548 int sh_type; /* elf section type */
549 int sh_flags; /* elf section flags */
550 int sh_info; /* elf section info */
551 int sh_addralign; /* elf section alignment */
552 int sh_entsize; /* elf entry size */
553 unsigned long sh_size; /* section size (only used during output) */
554 addr_t sh_addr; /* address at which the section is relocated */
555 unsigned long sh_offset; /* file offset */
556 int nb_hashed_syms; /* used to resize the hash table */
557 struct Section *link; /* link to another section */
558 struct Section *reloc; /* corresponding section for relocation, if any */
559 struct Section *hash; /* hash table for symbols */
560 struct Section *prev; /* previous section on section stack */
561 char name[1]; /* section name */
562 } Section;
563
564 typedef struct DLLReference {
565 int level;
566 void *handle;
567 char name[1];
568 } DLLReference;
569
570 /* -------------------------------------------------- */
571
572 #define SYM_STRUCT 0x40000000 /* struct/union/enum symbol space */
573 #define SYM_FIELD 0x20000000 /* struct/union field symbol space */
574 #define SYM_FIRST_ANOM 0x10000000 /* first anonymous sym */
575
576 /* stored in 'Sym->f.func_type' field */
577 #define FUNC_NEW 1 /* ansi function prototype */
578 #define FUNC_OLD 2 /* old function prototype */
579 #define FUNC_ELLIPSIS 3 /* ansi function prototype with ... */
580
581 /* stored in 'Sym->f.func_call' field */
582 #define FUNC_CDECL 0 /* standard c call */
583 #define FUNC_STDCALL 1 /* pascal c call */
584 #define FUNC_FASTCALL1 2 /* first param in %eax */
585 #define FUNC_FASTCALL2 3 /* first parameters in %eax, %edx */
586 #define FUNC_FASTCALL3 4 /* first parameter in %eax, %edx, %ecx */
587 #define FUNC_FASTCALLW 5 /* first parameter in %ecx, %edx */
588
589 /* field 'Sym.t' for macros */
590 #define MACRO_OBJ 0 /* object like macro */
591 #define MACRO_FUNC 1 /* function like macro */
592
593 /* field 'Sym.r' for C labels */
594 #define LABEL_DEFINED 0 /* label is defined */
595 #define LABEL_FORWARD 1 /* label is forward defined */
596 #define LABEL_DECLARED 2 /* label is declared but never used */
597 #define LABEL_GONE 3 /* label isn't in scope, but not yet popped
598 from local_label_stack (stmt exprs) */
599
600 /* type_decl() types */
601 #define TYPE_ABSTRACT 1 /* type without variable */
602 #define TYPE_DIRECT 2 /* type with variable */
603
604 #define IO_BUF_SIZE 8192
605
606 typedef struct BufferedFile {
607 uint8_t *buf_ptr;
608 uint8_t *buf_end;
609 int fd;
610 struct BufferedFile *prev;
611 int line_num; /* current line number - here to simplify code */
612 int line_ref; /* tcc -E: last printed line */
613 int ifndef_macro; /* #ifndef macro / #endif search */
614 int ifndef_macro_saved; /* saved ifndef_macro */
615 int *ifdef_stack_ptr; /* ifdef_stack value at the start of the file */
616 int include_next_index; /* next search path */
617 char filename[1024]; /* filename */
618 char *true_filename; /* filename not modified by # line directive */
619 unsigned char unget[4];
620 unsigned char buffer[1]; /* extra size for CH_EOB char */
621 } BufferedFile;
622
623 #define CH_EOB '\\' /* end of buffer or '\0' char in file */
624 #define CH_EOF (-1) /* end of file */
625
626 /* used to record tokens */
627 typedef struct TokenString {
628 int *str;
629 int len;
630 int lastlen;
631 int allocated_len;
632 int last_line_num;
633 int save_line_num;
634 /* used to chain token-strings with begin/end_macro() */
635 struct TokenString *prev;
636 const int *prev_ptr;
637 char alloc;
638 } TokenString;
639
640 /* GNUC attribute definition */
641 typedef struct AttributeDef {
642 struct SymAttr a;
643 struct FuncAttr f;
644 struct Section *section;
645 Sym *cleanup_func;
646 int asm_label; /* associated asm label */
647 char attr_mode; /* __attribute__((__mode__(...))) */
648 } AttributeDef;
649
650 /* inline functions */
651 typedef struct InlineFunc {
652 TokenString *func_str;
653 Sym *sym;
654 char filename[1];
655 } InlineFunc;
656
657 /* include file cache, used to find files faster and also to eliminate
658 inclusion if the include file is protected by #ifndef ... #endif */
659 typedef struct CachedInclude {
660 int ifndef_macro;
661 int once;
662 int hash_next; /* -1 if none */
663 char filename[1]; /* path specified in #include */
664 } CachedInclude;
665
666 #define CACHED_INCLUDES_HASH_SIZE 32
667
668 #ifdef CONFIG_TCC_ASM
669 typedef struct ExprValue {
670 uint64_t v;
671 Sym *sym;
672 int pcrel;
673 } ExprValue;
674
675 #define MAX_ASM_OPERANDS 30
676 typedef struct ASMOperand {
677 int id; /* GCC 3 optional identifier (0 if number only supported */
678 char *constraint;
679 char asm_str[16]; /* computed asm string for operand */
680 SValue *vt; /* C value of the expression */
681 int ref_index; /* if >= 0, gives reference to a output constraint */
682 int input_index; /* if >= 0, gives reference to an input constraint */
683 int priority; /* priority, used to assign registers */
684 int reg; /* if >= 0, register number used for this operand */
685 int is_llong; /* true if double register value */
686 int is_memory; /* true if memory operand */
687 int is_rw; /* for '+' modifier */
688 } ASMOperand;
689 #endif
690
691 /* extra symbol attributes (not in symbol table) */
692 struct sym_attr {
693 unsigned got_offset;
694 unsigned plt_offset;
695 int plt_sym;
696 int dyn_index;
697 #ifdef TCC_TARGET_ARM
698 unsigned char plt_thumb_stub:1;
699 #endif
700 };
701
702 struct TCCState {
703 unsigned char verbose; /* if true, display some information during compilation */
704 unsigned char nostdinc; /* if true, no standard headers are added */
705 unsigned char nostdlib; /* if true, no standard libraries are added */
706 unsigned char nocommon; /* if true, do not use common symbols for .bss data */
707 unsigned char static_link; /* if true, static linking is performed */
708 unsigned char rdynamic; /* if true, all symbols are exported */
709 unsigned char symbolic; /* if true, resolve symbols in the current module first */
710 unsigned char filetype; /* file type for compilation (NONE,C,ASM) */
711 unsigned char optimize; /* only to #define __OPTIMIZE__ */
712 unsigned char option_pthread; /* -pthread option */
713 unsigned char enable_new_dtags; /* -Wl,--enable-new-dtags */
714 unsigned int cversion; /* supported C ISO version, 199901 (the default), 201112, ... */
715
716 char *tcc_lib_path; /* CONFIG_TCCDIR or -B option */
717 char *soname; /* as specified on the command line (-soname) */
718 char *rpath; /* as specified on the command line (-Wl,-rpath=) */
719
720 /* output type, see TCC_OUTPUT_XXX */
721 int output_type;
722 /* output format, see TCC_OUTPUT_FORMAT_xxx */
723 int output_format;
724
725 /* C language options */
726 unsigned char char_is_unsigned;
727 unsigned char leading_underscore;
728 unsigned char ms_extensions; /* allow nested named struct w/o identifier behave like unnamed */
729 unsigned char dollars_in_identifiers; /* allows '$' char in identifiers */
730 unsigned char ms_bitfields; /* if true, emulate MS algorithm for aligning bitfields */
731
732 /* warning switches */
733 unsigned char warn_write_strings;
734 unsigned char warn_unsupported;
735 unsigned char warn_error;
736 unsigned char warn_none;
737 unsigned char warn_implicit_function_declaration;
738 unsigned char warn_gcc_compat;
739
740 /* compile with debug symbol (and use them if error during execution) */
741 unsigned char do_debug;
742 unsigned char do_backtrace;
743 #ifdef CONFIG_TCC_BCHECK
744 /* compile with built-in memory and bounds checker */
745 unsigned char do_bounds_check;
746 #endif
747 #ifdef TCC_TARGET_ARM
748 enum float_abi float_abi; /* float ABI of the generated code*/
749 #endif
750 int run_test; /* nth test to run with -dt -run */
751
752 addr_t text_addr; /* address of text section */
753 unsigned char has_text_addr;
754
755 unsigned section_align; /* section alignment */
756
757 /* use GNU C extensions */
758 unsigned char gnu_ext;
759 /* use TinyCC extensions */
760 unsigned char tcc_ext;
761
762 char *init_symbol; /* symbols to call at load-time (not used currently) */
763 char *fini_symbol; /* symbols to call at unload-time (not used currently) */
764
765 #ifdef TCC_TARGET_I386
766 int seg_size; /* 32. Can be 16 with i386 assembler (.code16) */
767 #endif
768 #ifdef TCC_TARGET_X86_64
769 unsigned char nosse; /* For -mno-sse support. */
770 #endif
771
772 /* array of all loaded dlls (including those referenced by loaded dlls) */
773 DLLReference **loaded_dlls;
774 int nb_loaded_dlls;
775
776 /* include paths */
777 char **include_paths;
778 int nb_include_paths;
779
780 char **sysinclude_paths;
781 int nb_sysinclude_paths;
782
783 /* library paths */
784 char **library_paths;
785 int nb_library_paths;
786
787 /* crt?.o object path */
788 char **crt_paths;
789 int nb_crt_paths;
790
791 /* -D / -U options */
792 CString cmdline_defs;
793 /* -include options */
794 CString cmdline_incl;
795
796 /* error handling */
797 void *error_opaque;
798 void (*error_func)(void *opaque, const char *msg);
799 int error_set_jmp_enabled;
800 jmp_buf error_jmp_buf;
801 int nb_errors;
802
803 /* output file for preprocessing (-E) */
804 FILE *ppfp;
805 enum {
806 LINE_MACRO_OUTPUT_FORMAT_GCC,
807 LINE_MACRO_OUTPUT_FORMAT_NONE,
808 LINE_MACRO_OUTPUT_FORMAT_STD,
809 LINE_MACRO_OUTPUT_FORMAT_P10 = 11
810 } Pflag; /* -P switch */
811 char dflag; /* -dX value */
812
813 /* for -MD/-MF: collected dependencies for this compilation */
814 char **target_deps;
815 int nb_target_deps;
816
817 /* compilation */
818 BufferedFile *include_stack[INCLUDE_STACK_SIZE];
819 BufferedFile **include_stack_ptr;
820
821 int ifdef_stack[IFDEF_STACK_SIZE];
822 int *ifdef_stack_ptr;
823
824 /* included files enclosed with #ifndef MACRO */
825 int cached_includes_hash[CACHED_INCLUDES_HASH_SIZE];
826 CachedInclude **cached_includes;
827 int nb_cached_includes;
828
829 /* #pragma pack stack */
830 int pack_stack[PACK_STACK_SIZE];
831 int *pack_stack_ptr;
832 char **pragma_libs;
833 int nb_pragma_libs;
834
835 /* inline functions are stored as token lists and compiled last
836 only if referenced */
837 struct InlineFunc **inline_fns;
838 int nb_inline_fns;
839
840 /* sections */
841 Section **sections;
842 int nb_sections; /* number of sections, including first dummy section */
843
844 Section **priv_sections;
845 int nb_priv_sections; /* number of private sections */
846
847 /* got & plt handling */
848 Section *got;
849 Section *plt;
850
851 /* predefined sections */
852 Section *text_section, *data_section, *bss_section;
853 Section *common_section;
854 Section *cur_text_section; /* current section where function code is generated */
855 #ifdef CONFIG_TCC_BCHECK
856 /* bound check related sections */
857 Section *bounds_section; /* contains global data bound description */
858 Section *lbounds_section; /* contains local data bound description */
859 #endif
860 /* symbol sections */
861 Section *symtab_section;
862 /* debug sections */
863 Section *stab_section;
864 /* Is there a new undefined sym since last new_undef_sym() */
865 int new_undef_sym;
866
867 /* temporary dynamic symbol sections (for dll loading) */
868 Section *dynsymtab_section;
869 /* exported dynamic symbol section */
870 Section *dynsym;
871 /* copy of the global symtab_section variable */
872 Section *symtab;
873 /* extra attributes (eg. GOT/PLT value) for symtab symbols */
874 struct sym_attr *sym_attrs;
875 int nb_sym_attrs;
876 /* ptr to next reloc entry reused */
877 ElfW_Rel *qrel;
878 # define qrel s1->qrel
879
880 #ifdef TCC_TARGET_PE
881 /* PE info */
882 int pe_subsystem;
883 unsigned pe_characteristics;
884 unsigned pe_file_align;
885 unsigned pe_stack_size;
886 addr_t pe_imagebase;
887 # ifdef TCC_TARGET_X86_64
888 Section *uw_pdata;
889 int uw_sym;
890 unsigned uw_offs;
891 # endif
892 #endif
893
894 #ifndef ELF_OBJ_ONLY
895 int nb_sym_versions;
896 struct sym_version *sym_versions;
897 int nb_sym_to_version;
898 int *sym_to_version;
899 int dt_verneednum;
900 Section *versym_section;
901 Section *verneed_section;
902 #endif
903
904 #ifdef TCC_IS_NATIVE
905 const char *runtime_main;
906 void **runtime_mem;
907 int nb_runtime_mem;
908 #endif
909
910 #ifdef CONFIG_TCC_BACKTRACE
911 int rt_num_callers;
912 #endif
913
914 int fd, cc; /* used by tcc_load_ldscript */
915
916 /* benchmark info */
917 int total_idents;
918 int total_lines;
919 int total_bytes;
920
921 /* option -dnum (for general development purposes) */
922 int g_debug;
923
924 /* for warnings/errors for object files*/
925 const char *current_filename;
926
927 /* used by main and tcc_parse_args only */
928 struct filespec **files; /* files seen on command line */
929 int nb_files; /* number thereof */
930 int nb_libraries; /* number of libs thereof */
931 char *outfile; /* output filename */
932 unsigned char option_r; /* option -r */
933 unsigned char do_bench; /* option -bench */
934 int gen_deps; /* option -MD */
935 char *deps_outfile; /* option -MF */
936 int argc;
937 char **argv;
938 };
939
940 struct filespec {
941 char type;
942 char name[1];
943 };
944
945 /* The current value can be: */
946 #define VT_VALMASK 0x003f /* mask for value location, register or: */
947 #define VT_CONST 0x0030 /* constant in vc (must be first non register value) */
948 #define VT_LLOCAL 0x0031 /* lvalue, offset on stack */
949 #define VT_LOCAL 0x0032 /* offset on stack */
950 #define VT_CMP 0x0033 /* the value is stored in processor flags (in vc) */
951 #define VT_JMP 0x0034 /* value is the consequence of jmp true (even) */
952 #define VT_JMPI 0x0035 /* value is the consequence of jmp false (odd) */
953 #define VT_LVAL 0x0100 /* var is an lvalue */
954 #define VT_SYM 0x0200 /* a symbol value is added */
955 #define VT_MUSTCAST 0x0C00 /* value must be casted to be correct (used for
956 char/short stored in integer registers) */
957 #define VT_MUSTBOUND 0x4000 /* bound checking must be done before
958 dereferencing value */
959 #define VT_BOUNDED 0x8000 /* value is bounded. The address of the
960 bounding function call point is in vc */
961 /* types */
962 #define VT_BTYPE 0x000f /* mask for basic type */
963 #define VT_VOID 0 /* void type */
964 #define VT_BYTE 1 /* signed byte type */
965 #define VT_SHORT 2 /* short type */
966 #define VT_INT 3 /* integer type */
967 #define VT_LLONG 4 /* 64 bit integer */
968 #define VT_PTR 5 /* pointer */
969 #define VT_FUNC 6 /* function type */
970 #define VT_STRUCT 7 /* struct/union definition */
971 #define VT_FLOAT 8 /* IEEE float */
972 #define VT_DOUBLE 9 /* IEEE double */
973 #define VT_LDOUBLE 10 /* IEEE long double */
974 #define VT_BOOL 11 /* ISOC99 boolean type */
975 #define VT_QLONG 13 /* 128-bit integer. Only used for x86-64 ABI */
976 #define VT_QFLOAT 14 /* 128-bit float. Only used for x86-64 ABI */
977
978 #define VT_UNSIGNED 0x0010 /* unsigned type */
979 #define VT_DEFSIGN 0x0020 /* explicitly signed or unsigned */
980 #define VT_ARRAY 0x0040 /* array type (also has VT_PTR) */
981 #define VT_BITFIELD 0x0080 /* bitfield modifier */
982 #define VT_CONSTANT 0x0100 /* const modifier */
983 #define VT_VOLATILE 0x0200 /* volatile modifier */
984 #define VT_VLA 0x0400 /* VLA type (also has VT_PTR and VT_ARRAY) */
985 #define VT_LONG 0x0800 /* long type (also has VT_INT rsp. VT_LLONG) */
986
987 /* storage */
988 #define VT_EXTERN 0x00001000 /* extern definition */
989 #define VT_STATIC 0x00002000 /* static variable */
990 #define VT_TYPEDEF 0x00004000 /* typedef definition */
991 #define VT_INLINE 0x00008000 /* inline definition */
992 /* currently unused: 0x000[1248]0000 */
993
994 #define VT_STRUCT_SHIFT 20 /* shift for bitfield shift values (32 - 2*6) */
995 #define VT_STRUCT_MASK (((1U << (6+6)) - 1) << VT_STRUCT_SHIFT | VT_BITFIELD)
996 #define BIT_POS(t) (((t) >> VT_STRUCT_SHIFT) & 0x3f)
997 #define BIT_SIZE(t) (((t) >> (VT_STRUCT_SHIFT + 6)) & 0x3f)
998
999 #define VT_UNION (1 << VT_STRUCT_SHIFT | VT_STRUCT)
1000 #define VT_ENUM (2 << VT_STRUCT_SHIFT) /* integral type is an enum really */
1001 #define VT_ENUM_VAL (3 << VT_STRUCT_SHIFT) /* integral type is an enum constant really */
1002
1003 #define IS_ENUM(t) ((t & VT_STRUCT_MASK) == VT_ENUM)
1004 #define IS_ENUM_VAL(t) ((t & VT_STRUCT_MASK) == VT_ENUM_VAL)
1005 #define IS_UNION(t) ((t & (VT_STRUCT_MASK|VT_BTYPE)) == VT_UNION)
1006
1007 /* type mask (except storage) */
1008 #define VT_STORAGE (VT_EXTERN | VT_STATIC | VT_TYPEDEF | VT_INLINE)
1009 #define VT_TYPE (~(VT_STORAGE|VT_STRUCT_MASK))
1010
1011 /* symbol was created by tccasm.c first */
1012 #define VT_ASM (VT_VOID | VT_UNSIGNED)
1013 #define IS_ASM_SYM(sym) (((sym)->type.t & (VT_BTYPE | VT_ASM)) == VT_ASM)
1014
1015 /* general: set/get the pseudo-bitfield value for bit-mask M */
1016 #define BFVAL(M,N) ((unsigned)((M) & ~((M) << 1)) * (N))
1017 #define BFGET(X,M) (((X) & (M)) / BFVAL(M,1))
1018 #define BFSET(X,M,N) ((X) = ((X) & ~(M)) | BFVAL(M,N))
1019
1020 /* token values */
1021
1022 /* conditional ops */
1023 #define TOK_LAND 0x90
1024 #define TOK_LOR 0x91
1025 /* warning: the following compare tokens depend on i386 asm code */
1026 #define TOK_ULT 0x92
1027 #define TOK_UGE 0x93
1028 #define TOK_EQ 0x94
1029 #define TOK_NE 0x95
1030 #define TOK_ULE 0x96
1031 #define TOK_UGT 0x97
1032 #define TOK_Nset 0x98
1033 #define TOK_Nclear 0x99
1034 #define TOK_LT 0x9c
1035 #define TOK_GE 0x9d
1036 #define TOK_LE 0x9e
1037 #define TOK_GT 0x9f
1038
1039 #define TOK_ISCOND(t) (t >= TOK_LAND && t <= TOK_GT)
1040
1041 #define TOK_DEC 0x80 /* -- */
1042 #define TOK_MID 0x81 /* inc/dec, to void constant */
1043 #define TOK_INC 0x82 /* ++ */
1044 #define TOK_UDIV 0x83 /* unsigned division */
1045 #define TOK_UMOD 0x84 /* unsigned modulo */
1046 #define TOK_PDIV 0x85 /* fast division with undefined rounding for pointers */
1047 #define TOK_UMULL 0x86 /* unsigned 32x32 -> 64 mul */
1048 #define TOK_ADDC1 0x87 /* add with carry generation */
1049 #define TOK_ADDC2 0x88 /* add with carry use */
1050 #define TOK_SUBC1 0x89 /* add with carry generation */
1051 #define TOK_SUBC2 0x8a /* add with carry use */
1052 #define TOK_SHL '<' /* shift left */
1053 #define TOK_SAR '>' /* signed shift right */
1054 #define TOK_SHR 0x8b /* unsigned shift right */
1055
1056 #define TOK_ARROW 0xa0 /* -> */
1057 #define TOK_DOTS 0xa1 /* three dots */
1058 #define TOK_TWODOTS 0xa2 /* C++ token ? */
1059 #define TOK_TWOSHARPS 0xa3 /* ## preprocessing token */
1060 #define TOK_PLCHLDR 0xa4 /* placeholder token as defined in C99 */
1061 #define TOK_NOSUBST 0xa5 /* means following token has already been pp'd */
1062 #define TOK_PPJOIN 0xa6 /* A '##' in the right position to mean pasting */
1063
1064 /* assignment operators */
1065 #define TOK_A_ADD 0xb0
1066 #define TOK_A_SUB 0xb1
1067 #define TOK_A_MUL 0xb2
1068 #define TOK_A_DIV 0xb3
1069 #define TOK_A_MOD 0xb4
1070 #define TOK_A_AND 0xb5
1071 #define TOK_A_OR 0xb6
1072 #define TOK_A_XOR 0xb7
1073 #define TOK_A_SHL 0xb8
1074 #define TOK_A_SAR 0xb9
1075
1076 #define TOK_ASSIGN(t) (t >= TOK_A_ADD && t <= TOK_A_SAR)
1077 #define TOK_ASSIGN_OP(t) ("+-*/%&|^<>"[t - TOK_A_ADD])
1078
1079 /* tokens that carry values (in additional token string space / tokc) --> */
1080 #define TOK_CCHAR 0xc0 /* char constant in tokc */
1081 #define TOK_LCHAR 0xc1
1082 #define TOK_CINT 0xc2 /* number in tokc */
1083 #define TOK_CUINT 0xc3 /* unsigned int constant */
1084 #define TOK_CLLONG 0xc4 /* long long constant */
1085 #define TOK_CULLONG 0xc5 /* unsigned long long constant */
1086 #define TOK_CLONG 0xc6 /* long constant */
1087 #define TOK_CULONG 0xc7 /* unsigned long constant */
1088 #define TOK_STR 0xc8 /* pointer to string in tokc */
1089 #define TOK_LSTR 0xc9
1090 #define TOK_CFLOAT 0xca /* float constant */
1091 #define TOK_CDOUBLE 0xcb /* double constant */
1092 #define TOK_CLDOUBLE 0xcc /* long double constant */
1093 #define TOK_PPNUM 0xcd /* preprocessor number */
1094 #define TOK_PPSTR 0xce /* preprocessor string */
1095 #define TOK_LINENUM 0xcf /* line number info */
1096
1097 #define TOK_HAS_VALUE(t) (t >= TOK_CCHAR && t <= TOK_LINENUM)
1098
1099 #define TOK_EOF (-1) /* end of file */
1100 #define TOK_LINEFEED 10 /* line feed */
1101
1102 /* all identifiers and strings have token above that */
1103 #define TOK_IDENT 256
1104
1105 #define DEF_ASM(x) DEF(TOK_ASM_ ## x, #x)
1106 #define TOK_ASM_int TOK_INT
1107 #define DEF_ASMDIR(x) DEF(TOK_ASMDIR_ ## x, "." #x)
1108 #define TOK_ASMDIR_FIRST TOK_ASMDIR_byte
1109 #define TOK_ASMDIR_LAST TOK_ASMDIR_section
1110
1111 #if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
1112 /* only used for i386 asm opcodes definitions */
1113 #define DEF_BWL(x) \
1114 DEF(TOK_ASM_ ## x ## b, #x "b") \
1115 DEF(TOK_ASM_ ## x ## w, #x "w") \
1116 DEF(TOK_ASM_ ## x ## l, #x "l") \
1117 DEF(TOK_ASM_ ## x, #x)
1118 #define DEF_WL(x) \
1119 DEF(TOK_ASM_ ## x ## w, #x "w") \
1120 DEF(TOK_ASM_ ## x ## l, #x "l") \
1121 DEF(TOK_ASM_ ## x, #x)
1122 #ifdef TCC_TARGET_X86_64
1123 # define DEF_BWLQ(x) \
1124 DEF(TOK_ASM_ ## x ## b, #x "b") \
1125 DEF(TOK_ASM_ ## x ## w, #x "w") \
1126 DEF(TOK_ASM_ ## x ## l, #x "l") \
1127 DEF(TOK_ASM_ ## x ## q, #x "q") \
1128 DEF(TOK_ASM_ ## x, #x)
1129 # define DEF_WLQ(x) \
1130 DEF(TOK_ASM_ ## x ## w, #x "w") \
1131 DEF(TOK_ASM_ ## x ## l, #x "l") \
1132 DEF(TOK_ASM_ ## x ## q, #x "q") \
1133 DEF(TOK_ASM_ ## x, #x)
1134 # define DEF_BWLX DEF_BWLQ
1135 # define DEF_WLX DEF_WLQ
1136 /* number of sizes + 1 */
1137 # define NBWLX 5
1138 #else
1139 # define DEF_BWLX DEF_BWL
1140 # define DEF_WLX DEF_WL
1141 /* number of sizes + 1 */
1142 # define NBWLX 4
1143 #endif
1144
1145 #define DEF_FP1(x) \
1146 DEF(TOK_ASM_ ## f ## x ## s, "f" #x "s") \
1147 DEF(TOK_ASM_ ## fi ## x ## l, "fi" #x "l") \
1148 DEF(TOK_ASM_ ## f ## x ## l, "f" #x "l") \
1149 DEF(TOK_ASM_ ## fi ## x ## s, "fi" #x "s")
1150
1151 #define DEF_FP(x) \
1152 DEF(TOK_ASM_ ## f ## x, "f" #x ) \
1153 DEF(TOK_ASM_ ## f ## x ## p, "f" #x "p") \
1154 DEF_FP1(x)
1155
1156 #define DEF_ASMTEST(x,suffix) \
1157 DEF_ASM(x ## o ## suffix) \
1158 DEF_ASM(x ## no ## suffix) \
1159 DEF_ASM(x ## b ## suffix) \
1160 DEF_ASM(x ## c ## suffix) \
1161 DEF_ASM(x ## nae ## suffix) \
1162 DEF_ASM(x ## nb ## suffix) \
1163 DEF_ASM(x ## nc ## suffix) \
1164 DEF_ASM(x ## ae ## suffix) \
1165 DEF_ASM(x ## e ## suffix) \
1166 DEF_ASM(x ## z ## suffix) \
1167 DEF_ASM(x ## ne ## suffix) \
1168 DEF_ASM(x ## nz ## suffix) \
1169 DEF_ASM(x ## be ## suffix) \
1170 DEF_ASM(x ## na ## suffix) \
1171 DEF_ASM(x ## nbe ## suffix) \
1172 DEF_ASM(x ## a ## suffix) \
1173 DEF_ASM(x ## s ## suffix) \
1174 DEF_ASM(x ## ns ## suffix) \
1175 DEF_ASM(x ## p ## suffix) \
1176 DEF_ASM(x ## pe ## suffix) \
1177 DEF_ASM(x ## np ## suffix) \
1178 DEF_ASM(x ## po ## suffix) \
1179 DEF_ASM(x ## l ## suffix) \
1180 DEF_ASM(x ## nge ## suffix) \
1181 DEF_ASM(x ## nl ## suffix) \
1182 DEF_ASM(x ## ge ## suffix) \
1183 DEF_ASM(x ## le ## suffix) \
1184 DEF_ASM(x ## ng ## suffix) \
1185 DEF_ASM(x ## nle ## suffix) \
1186 DEF_ASM(x ## g ## suffix)
1187
1188 #endif /* defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64 */
1189
1190 enum tcc_token {
1191 TOK_LAST = TOK_IDENT - 1
1192 #define DEF(id, str) ,id
1193 #include "tcctok.h"
1194 #undef DEF
1195 };
1196
1197 /* keywords: tok >= TOK_IDENT && tok < TOK_UIDENT */
1198 #define TOK_UIDENT TOK_DEFINE
1199
1200 /* ------------ libtcc.c ------------ */
1201
1202 ST_DATA struct TCCState *tcc_state;
1203
1204 /* public functions currently used by the tcc main function */
1205 ST_FUNC char *pstrcpy(char *buf, size_t buf_size, const char *s);
1206 ST_FUNC char *pstrcat(char *buf, size_t buf_size, const char *s);
1207 ST_FUNC char *pstrncpy(char *out, const char *in, size_t num);
1208 PUB_FUNC char *tcc_basename(const char *name);
1209 PUB_FUNC char *tcc_fileextension (const char *name);
1210
1211 #ifndef MEM_DEBUG
1212 PUB_FUNC void tcc_free(void *ptr);
1213 PUB_FUNC void *tcc_malloc(unsigned long size);
1214 PUB_FUNC void *tcc_mallocz(unsigned long size);
1215 PUB_FUNC void *tcc_realloc(void *ptr, unsigned long size);
1216 PUB_FUNC char *tcc_strdup(const char *str);
1217 #else
1218 #define tcc_free(ptr) tcc_free_debug(ptr)
1219 #define tcc_malloc(size) tcc_malloc_debug(size, __FILE__, __LINE__)
1220 #define tcc_mallocz(size) tcc_mallocz_debug(size, __FILE__, __LINE__)
1221 #define tcc_realloc(ptr,size) tcc_realloc_debug(ptr, size, __FILE__, __LINE__)
1222 #define tcc_strdup(str) tcc_strdup_debug(str, __FILE__, __LINE__)
1223 PUB_FUNC void tcc_free_debug(void *ptr);
1224 PUB_FUNC void *tcc_malloc_debug(unsigned long size, const char *file, int line);
1225 PUB_FUNC void *tcc_mallocz_debug(unsigned long size, const char *file, int line);
1226 PUB_FUNC void *tcc_realloc_debug(void *ptr, unsigned long size, const char *file, int line);
1227 PUB_FUNC char *tcc_strdup_debug(const char *str, const char *file, int line);
1228 #endif
1229
1230 #define free(p) use_tcc_free(p)
1231 #define malloc(s) use_tcc_malloc(s)
1232 #define realloc(p, s) use_tcc_realloc(p, s)
1233 #undef strdup
1234 #define strdup(s) use_tcc_strdup(s)
1235 PUB_FUNC void _tcc_error_noabort(const char *fmt, ...) PRINTF_LIKE(1,2);
1236 PUB_FUNC NORETURN void _tcc_error(const char *fmt, ...) PRINTF_LIKE(1,2);
1237 PUB_FUNC void _tcc_warning(const char *fmt, ...) PRINTF_LIKE(1,2);
1238
1239 /* other utilities */
1240 ST_FUNC void dynarray_add(void *ptab, int *nb_ptr, void *data);
1241 ST_FUNC void dynarray_reset(void *pp, int *n);
1242 ST_INLN void cstr_ccat(CString *cstr, int ch);
1243 ST_FUNC void cstr_cat(CString *cstr, const char *str, int len);
1244 ST_FUNC void cstr_wccat(CString *cstr, int ch);
1245 ST_FUNC void cstr_new(CString *cstr);
1246 ST_FUNC void cstr_free(CString *cstr);
1247 ST_FUNC int cstr_printf(CString *cs, const char *fmt, ...) PRINTF_LIKE(2,3);
1248 ST_FUNC void cstr_reset(CString *cstr);
1249
1250 ST_INLN void sym_free(Sym *sym);
1251 ST_FUNC Sym *sym_push2(Sym **ps, int v, int t, int c);
1252 ST_FUNC Sym *sym_find2(Sym *s, int v);
1253 ST_FUNC Sym *sym_push(int v, CType *type, int r, int c);
1254 ST_FUNC void sym_pop(Sym **ptop, Sym *b, int keep);
1255 ST_INLN Sym *struct_find(int v);
1256 ST_INLN Sym *sym_find(int v);
1257 ST_FUNC Sym *global_identifier_push(int v, int t, int c);
1258
1259 ST_FUNC void tcc_open_bf(TCCState *s1, const char *filename, int initlen);
1260 ST_FUNC int tcc_open(TCCState *s1, const char *filename);
1261 ST_FUNC void tcc_close(void);
1262
1263 ST_FUNC int tcc_add_file_internal(TCCState *s1, const char *filename, int flags);
1264 /* flags: */
1265 #define AFF_PRINT_ERROR 0x10 /* print error if file not found */
1266 #define AFF_REFERENCED_DLL 0x20 /* load a referenced dll from another dll */
1267 #define AFF_TYPE_BIN 0x40 /* file to add is binary */
1268 #define AFF_WHOLE_ARCHIVE 0x80 /* load all objects from archive */
1269 /* s->filetype: */
1270 #define AFF_TYPE_NONE 0
1271 #define AFF_TYPE_C 1
1272 #define AFF_TYPE_ASM 2
1273 #define AFF_TYPE_ASMPP 4
1274 #define AFF_TYPE_LIB 8
1275 #define AFF_TYPE_MASK (15 | AFF_TYPE_BIN)
1276 /* values from tcc_object_type(...) */
1277 #define AFF_BINTYPE_REL 1
1278 #define AFF_BINTYPE_DYN 2
1279 #define AFF_BINTYPE_AR 3
1280 #define AFF_BINTYPE_C67 4
1281
1282 #ifndef ELF_OBJ_ONLY
1283 ST_FUNC int tcc_add_crt(TCCState *s, const char *filename);
1284 #endif
1285 #ifndef TCC_TARGET_MACHO
1286 ST_FUNC int tcc_add_dll(TCCState *s, const char *filename, int flags);
1287 #endif
1288 #ifdef CONFIG_TCC_BCHECK
1289 ST_FUNC void tcc_add_bcheck(TCCState *s1);
1290 #endif
1291 #ifdef CONFIG_TCC_BACKTRACE
1292 ST_FUNC void tcc_add_btstub(TCCState *s1);
1293 #endif
1294 ST_FUNC void tcc_add_pragma_libs(TCCState *s1);
1295 PUB_FUNC int tcc_add_library_err(TCCState *s, const char *f);
1296 PUB_FUNC void tcc_print_stats(TCCState *s, unsigned total_time);
1297 PUB_FUNC int tcc_parse_args(TCCState *s, int *argc, char ***argv, int optind);
1298 #ifdef _WIN32
1299 ST_FUNC char *normalize_slashes(char *path);
1300 #endif
1301
1302 /* tcc_parse_args return codes: */
1303 #define OPT_HELP 1
1304 #define OPT_HELP2 2
1305 #define OPT_V 3
1306 #define OPT_PRINT_DIRS 4
1307 #define OPT_AR 5
1308 #define OPT_IMPDEF 6
1309 #define OPT_M32 32
1310 #define OPT_M64 64
1311
1312 /* ------------ tccpp.c ------------ */
1313
1314 ST_DATA struct BufferedFile *file;
1315 ST_DATA int ch, tok;
1316 ST_DATA CValue tokc;
1317 ST_DATA const int *macro_ptr;
1318 ST_DATA int parse_flags;
1319 ST_DATA int tok_flags;
1320 ST_DATA CString tokcstr; /* current parsed string, if any */
1321
1322 /* display benchmark infos */
1323 ST_DATA int tok_ident;
1324 ST_DATA TokenSym **table_ident;
1325
1326 #define TOK_FLAG_BOL 0x0001 /* beginning of line before */
1327 #define TOK_FLAG_BOF 0x0002 /* beginning of file before */
1328 #define TOK_FLAG_ENDIF 0x0004 /* a endif was found matching starting #ifdef */
1329 #define TOK_FLAG_EOF 0x0008 /* end of file */
1330
1331 #define PARSE_FLAG_PREPROCESS 0x0001 /* activate preprocessing */
1332 #define PARSE_FLAG_TOK_NUM 0x0002 /* return numbers instead of TOK_PPNUM */
1333 #define PARSE_FLAG_LINEFEED 0x0004 /* line feed is returned as a
1334 token. line feed is also
1335 returned at eof */
1336 #define PARSE_FLAG_ASM_FILE 0x0008 /* we processing an asm file: '#' can be used for line comment, etc. */
1337 #define PARSE_FLAG_SPACES 0x0010 /* next() returns space tokens (for -E) */
1338 #define PARSE_FLAG_ACCEPT_STRAYS 0x0020 /* next() returns '\\' token */
1339 #define PARSE_FLAG_TOK_STR 0x0040 /* return parsed strings instead of TOK_PPSTR */
1340
1341 /* isidnum_table flags: */
1342 #define IS_SPC 1
1343 #define IS_ID 2
1344 #define IS_NUM 4
1345
1346 ST_FUNC TokenSym *tok_alloc(const char *str, int len);
1347 ST_FUNC const char *get_tok_str(int v, CValue *cv);
1348 ST_FUNC void begin_macro(TokenString *str, int alloc);
1349 ST_FUNC void end_macro(void);
1350 ST_FUNC int set_idnum(int c, int val);
1351 ST_INLN void tok_str_new(TokenString *s);
1352 ST_FUNC TokenString *tok_str_alloc(void);
1353 ST_FUNC void tok_str_free(TokenString *s);
1354 ST_FUNC void tok_str_free_str(int *str);
1355 ST_FUNC void tok_str_add(TokenString *s, int t);
1356 ST_FUNC void tok_str_add_tok(TokenString *s);
1357 ST_INLN void define_push(int v, int macro_type, int *str, Sym *first_arg);
1358 ST_FUNC void define_undef(Sym *s);
1359 ST_INLN Sym *define_find(int v);
1360 ST_FUNC void free_defines(Sym *b);
1361 ST_FUNC Sym *label_find(int v);
1362 ST_FUNC Sym *label_push(Sym **ptop, int v, int flags);
1363 ST_FUNC void label_pop(Sym **ptop, Sym *slast, int keep);
1364 ST_FUNC void parse_define(void);
1365 ST_FUNC void preprocess(int is_bof);
1366 ST_FUNC void next(void);
1367 ST_INLN void unget_tok(int last_tok);
1368 ST_FUNC void preprocess_start(TCCState *s1, int filetype);
1369 ST_FUNC void preprocess_end(TCCState *s1);
1370 ST_FUNC void tccpp_new(TCCState *s);
1371 ST_FUNC void tccpp_delete(TCCState *s);
1372 ST_FUNC int tcc_preprocess(TCCState *s1);
1373 ST_FUNC void skip(int c);
1374 ST_FUNC NORETURN void expect(const char *msg);
1375
1376 /* space excluding newline */
1377 static inline int is_space(int ch) {
1378 return ch == ' ' || ch == '\t' || ch == '\v' || ch == '\f' || ch == '\r';
1379 }
1380 static inline int isid(int c) {
1381 return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || c == '_';
1382 }
1383 static inline int isnum(int c) {
1384 return c >= '0' && c <= '9';
1385 }
1386 static inline int isoct(int c) {
1387 return c >= '0' && c <= '7';
1388 }
1389 static inline int toup(int c) {
1390 return (c >= 'a' && c <= 'z') ? c - 'a' + 'A' : c;
1391 }
1392
1393 /* ------------ tccgen.c ------------ */
1394
1395 #define SYM_POOL_NB (8192 / sizeof(Sym))
1396
1397 ST_DATA Sym *global_stack;
1398 ST_DATA Sym *local_stack;
1399 ST_DATA Sym *local_label_stack;
1400 ST_DATA Sym *global_label_stack;
1401 ST_DATA Sym *define_stack;
1402 ST_DATA CType int_type, func_old_type, char_pointer_type;
1403 ST_DATA SValue *vtop;
1404 ST_DATA int rsym, anon_sym, ind, loc;
1405
1406 ST_DATA int const_wanted; /* true if constant wanted */
1407 ST_DATA int nocode_wanted; /* true if no code generation wanted for an expression */
1408 ST_DATA int global_expr; /* true if compound literals must be allocated globally (used during initializers parsing */
1409 ST_DATA CType func_vt; /* current function return type (used by return instruction) */
1410 ST_DATA int func_var; /* true if current function is variadic */
1411 ST_DATA int func_vc;
1412 ST_DATA const char *funcname;
1413
1414 ST_FUNC void tcc_debug_start(TCCState *s1);
1415 ST_FUNC void tcc_debug_end(TCCState *s1);
1416 ST_FUNC void tcc_debug_bincl(TCCState *s1);
1417 ST_FUNC void tcc_debug_eincl(TCCState *s1);
1418 ST_FUNC void tcc_debug_putfile(TCCState *s1, const char *filename);
1419 ST_FUNC void tcc_debug_funcstart(TCCState *s1, Sym *sym);
1420 ST_FUNC void tcc_debug_funcend(TCCState *s1, int size);
1421 ST_FUNC void tcc_debug_line(TCCState *s1);
1422
1423 ST_FUNC void tccgen_init(TCCState *s1);
1424 ST_FUNC int tccgen_compile(TCCState *s1);
1425 ST_FUNC void tccgen_finish(TCCState *s1);
1426 ST_FUNC void check_vstack(void);
1427
1428 ST_INLN int is_float(int t);
1429 ST_FUNC int ieee_finite(double d);
1430 ST_FUNC int exact_log2p1(int i);
1431 ST_FUNC void test_lvalue(void);
1432 ST_FUNC void vpushi(int v);
1433 ST_FUNC ElfSym *elfsym(Sym *);
1434 ST_FUNC void update_storage(Sym *sym);
1435 ST_FUNC Sym *external_global_sym(int v, CType *type);
1436 ST_FUNC void vset(CType *type, int r, int v);
1437 ST_FUNC void vset_VT_CMP(int op);
1438 ST_FUNC void vswap(void);
1439 ST_FUNC void vpush_global_sym(CType *type, int v);
1440 ST_FUNC void vrote(SValue *e, int n);
1441 ST_FUNC void vrott(int n);
1442 ST_FUNC void vrotb(int n);
1443 #if PTR_SIZE == 4
1444 ST_FUNC void lexpand(void);
1445 #endif
1446 #ifdef TCC_TARGET_ARM
1447 ST_FUNC int get_reg_ex(int rc, int rc2);
1448 #endif
1449 ST_FUNC void vpushv(SValue *v);
1450 ST_FUNC void save_reg(int r);
1451 ST_FUNC void save_reg_upstack(int r, int n);
1452 ST_FUNC int get_reg(int rc);
1453 ST_FUNC void save_regs(int n);
1454 ST_FUNC void gaddrof(void);
1455 ST_FUNC int gv(int rc);
1456 ST_FUNC void gv2(int rc1, int rc2);
1457 ST_FUNC void vpop(void);
1458 ST_FUNC void gen_op(int op);
1459 ST_FUNC int type_size(CType *type, int *a);
1460 ST_FUNC void mk_pointer(CType *type);
1461 ST_FUNC void vstore(void);
1462 ST_FUNC void inc(int post, int c);
1463 ST_FUNC void parse_mult_str (CString *astr, const char *msg);
1464 ST_FUNC void parse_asm_str(CString *astr);
1465 ST_FUNC void indir(void);
1466 ST_FUNC void unary(void);
1467 ST_FUNC void gexpr(void);
1468 ST_FUNC int expr_const(void);
1469 #if defined CONFIG_TCC_BCHECK || defined TCC_TARGET_C67
1470 ST_FUNC Sym *get_sym_ref(CType *type, Section *sec, unsigned long offset, unsigned long size);
1471 #endif
1472 #if defined TCC_TARGET_X86_64 && !defined TCC_TARGET_PE
1473 ST_FUNC int classify_x86_64_va_arg(CType *ty);
1474 #endif
1475 #ifdef CONFIG_TCC_BCHECK
1476 ST_FUNC void gbound_args(int nb_args);
1477 ST_DATA int func_bound_add_epilog;
1478 #endif
1479
1480 /* ------------ tccelf.c ------------ */
1481
1482 #define TCC_OUTPUT_FORMAT_ELF 0 /* default output format: ELF */
1483 #define TCC_OUTPUT_FORMAT_BINARY 1 /* binary image output */
1484 #define TCC_OUTPUT_FORMAT_COFF 2 /* COFF */
1485
1486 #define ARMAG "!<arch>\012" /* For COFF and a.out archives */
1487
1488 typedef struct {
1489 unsigned int n_strx; /* index into string table of name */
1490 unsigned char n_type; /* type of symbol */
1491 unsigned char n_other; /* misc info (usually empty) */
1492 unsigned short n_desc; /* description field */
1493 unsigned int n_value; /* value of symbol */
1494 } Stab_Sym;
1495
1496 ST_FUNC void tccelf_new(TCCState *s);
1497 ST_FUNC void tccelf_delete(TCCState *s);
1498 ST_FUNC void tccelf_stab_new(TCCState *s);
1499 ST_FUNC void tccelf_begin_file(TCCState *s1);
1500 ST_FUNC void tccelf_end_file(TCCState *s1);
1501 #ifdef CONFIG_TCC_BCHECK
1502 ST_FUNC void tccelf_bounds_new(TCCState *s);
1503 #endif
1504 ST_FUNC Section *new_section(TCCState *s1, const char *name, int sh_type, int sh_flags);
1505 ST_FUNC void section_realloc(Section *sec, unsigned long new_size);
1506 ST_FUNC size_t section_add(Section *sec, addr_t size, int align);
1507 ST_FUNC void *section_ptr_add(Section *sec, addr_t size);
1508 ST_FUNC void section_reserve(Section *sec, unsigned long size);
1509 ST_FUNC Section *find_section(TCCState *s1, const char *name);
1510 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);
1511
1512 ST_FUNC void put_extern_sym2(Sym *sym, int sh_num, addr_t value, unsigned long size, int can_add_underscore);
1513 ST_FUNC void put_extern_sym(Sym *sym, Section *section, addr_t value, unsigned long size);
1514 #if PTR_SIZE == 4
1515 ST_FUNC void greloc(Section *s, Sym *sym, unsigned long offset, int type);
1516 #endif
1517 ST_FUNC void greloca(Section *s, Sym *sym, unsigned long offset, int type, addr_t addend);
1518
1519 ST_FUNC int put_elf_str(Section *s, const char *sym);
1520 ST_FUNC int put_elf_sym(Section *s, addr_t value, unsigned long size, int info, int other, int shndx, const char *name);
1521 ST_FUNC int set_elf_sym(Section *s, addr_t value, unsigned long size, int info, int other, int shndx, const char *name);
1522 ST_FUNC int find_elf_sym(Section *s, const char *name);
1523 ST_FUNC void put_elf_reloc(Section *symtab, Section *s, unsigned long offset, int type, int symbol);
1524 ST_FUNC void put_elf_reloca(Section *symtab, Section *s, unsigned long offset, int type, int symbol, addr_t addend);
1525
1526 ST_FUNC void put_stabs(TCCState *s1, const char *str, int type, int other, int desc, unsigned long value);
1527 ST_FUNC void put_stabs_r(TCCState *s1, const char *str, int type, int other, int desc, unsigned long value, Section *sec, int sym_index);
1528 ST_FUNC void put_stabn(TCCState *s1, int type, int other, int desc, int value);
1529
1530 ST_FUNC void resolve_common_syms(TCCState *s1);
1531 ST_FUNC void relocate_syms(TCCState *s1, Section *symtab, int do_resolve);
1532 ST_FUNC void relocate_section(TCCState *s1, Section *s);
1533
1534 ST_FUNC ssize_t full_read(int fd, void *buf, size_t count);
1535 ST_FUNC void *load_data(int fd, unsigned long file_offset, unsigned long size);
1536 ST_FUNC int tcc_object_type(int fd, ElfW(Ehdr) *h);
1537 ST_FUNC int tcc_load_object_file(TCCState *s1, int fd, unsigned long file_offset);
1538 ST_FUNC int tcc_load_archive(TCCState *s1, int fd, int alacarte);
1539 ST_FUNC void add_array(TCCState *s1, const char *sec, int c);
1540
1541 #if !defined(ELF_OBJ_ONLY) || (defined(TCC_TARGET_MACHO) && defined TCC_IS_NATIVE)
1542 ST_FUNC void build_got_entries(TCCState *s1);
1543 #endif
1544 ST_FUNC struct sym_attr *get_sym_attr(TCCState *s1, int index, int alloc);
1545 ST_FUNC void squeeze_multi_relocs(Section *sec, size_t oldrelocoffset);
1546
1547 ST_FUNC addr_t get_sym_addr(TCCState *s, const char *name, int err, int forc);
1548 ST_FUNC void list_elf_symbols(TCCState *s, void *ctx,
1549 void (*symbol_cb)(void *ctx, const char *name, const void *val));
1550 ST_FUNC int set_global_sym(TCCState *s1, const char *name, Section *sec, addr_t offs);
1551
1552 /* Browse each elem of type <type> in section <sec> starting at elem <startoff>
1553 using variable <elem> */
1554 #define for_each_elem(sec, startoff, elem, type) \
1555 for (elem = (type *) sec->data + startoff; \
1556 elem < (type *) (sec->data + sec->data_offset); elem++)
1557
1558 #ifndef ELF_OBJ_ONLY
1559 ST_FUNC int tcc_load_dll(TCCState *s1, int fd, const char *filename, int level);
1560 ST_FUNC int tcc_load_ldscript(TCCState *s1, int fd);
1561 #endif
1562 #ifndef TCC_TARGET_PE
1563 ST_FUNC void tcc_add_runtime(TCCState *s1);
1564 #endif
1565
1566 /* ------------ xxx-link.c ------------ */
1567
1568 /* Whether to generate a GOT/PLT entry and when. NO_GOTPLT_ENTRY is first so
1569 that unknown relocation don't create a GOT or PLT entry */
1570 enum gotplt_entry {
1571 NO_GOTPLT_ENTRY, /* never generate (eg. GLOB_DAT & JMP_SLOT relocs) */
1572 BUILD_GOT_ONLY, /* only build GOT (eg. TPOFF relocs) */
1573 AUTO_GOTPLT_ENTRY, /* generate if sym is UNDEF */
1574 ALWAYS_GOTPLT_ENTRY /* always generate (eg. PLTOFF relocs) */
1575 };
1576
1577 #if !defined(ELF_OBJ_ONLY) || defined(TCC_TARGET_MACHO)
1578 ST_FUNC int code_reloc (int reloc_type);
1579 ST_FUNC int gotplt_entry_type (int reloc_type);
1580 #if !defined(TCC_TARGET_MACHO) || defined TCC_IS_NATIVE
1581 ST_FUNC unsigned create_plt_entry(TCCState *s1, unsigned got_offset, struct sym_attr *attr);
1582 ST_FUNC void relocate_plt(TCCState *s1);
1583 #endif
1584 #endif
1585 ST_FUNC void relocate(TCCState *s1, ElfW_Rel *rel, int type, unsigned char *ptr, addr_t addr, addr_t val);
1586
1587 /* ------------ xxx-gen.c ------------ */
1588
1589 ST_DATA const int reg_classes[NB_REGS];
1590
1591 ST_FUNC void gsym_addr(int t, int a);
1592 ST_FUNC void gsym(int t);
1593 ST_FUNC void load(int r, SValue *sv);
1594 ST_FUNC void store(int r, SValue *v);
1595 ST_FUNC int gfunc_sret(CType *vt, int variadic, CType *ret, int *align, int *regsize);
1596 ST_FUNC void gfunc_call(int nb_args);
1597 ST_FUNC void gfunc_prolog(Sym *func_sym);
1598 ST_FUNC void gfunc_epilog(void);
1599 ST_FUNC void gen_fill_nops(int);
1600 ST_FUNC int gjmp(int t);
1601 ST_FUNC void gjmp_addr(int a);
1602 ST_FUNC int gjmp_cond(int op, int t);
1603 ST_FUNC int gjmp_append(int n, int t);
1604 ST_FUNC void gen_opi(int op);
1605 ST_FUNC void gen_opf(int op);
1606 ST_FUNC void gen_cvt_ftoi(int t);
1607 ST_FUNC void gen_cvt_itof(int t);
1608 ST_FUNC void gen_cvt_ftof(int t);
1609 ST_FUNC void ggoto(void);
1610 #ifndef TCC_TARGET_C67
1611 ST_FUNC void o(unsigned int c);
1612 #endif
1613 ST_FUNC void gen_vla_sp_save(int addr);
1614 ST_FUNC void gen_vla_sp_restore(int addr);
1615 ST_FUNC void gen_vla_alloc(CType *type, int align);
1616
1617 static inline uint16_t read16le(unsigned char *p) {
1618 return p[0] | (uint16_t)p[1] << 8;
1619 }
1620 static inline void write16le(unsigned char *p, uint16_t x) {
1621 p[0] = x & 255; p[1] = x >> 8 & 255;
1622 }
1623 static inline uint32_t read32le(unsigned char *p) {
1624 return read16le(p) | (uint32_t)read16le(p + 2) << 16;
1625 }
1626 static inline void write32le(unsigned char *p, uint32_t x) {
1627 write16le(p, x); write16le(p + 2, x >> 16);
1628 }
1629 static inline void add32le(unsigned char *p, int32_t x) {
1630 write32le(p, read32le(p) + x);
1631 }
1632 static inline uint64_t read64le(unsigned char *p) {
1633 return read32le(p) | (uint64_t)read32le(p + 4) << 32;
1634 }
1635 static inline void write64le(unsigned char *p, uint64_t x) {
1636 write32le(p, x); write32le(p + 4, x >> 32);
1637 }
1638 static inline void add64le(unsigned char *p, int64_t x) {
1639 write64le(p, read64le(p) + x);
1640 }
1641
1642 /* ------------ i386-gen.c ------------ */
1643 #if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
1644 ST_FUNC void g(int c);
1645 ST_FUNC void gen_le16(int c);
1646 ST_FUNC void gen_le32(int c);
1647 ST_FUNC void gen_addr32(int r, Sym *sym, int c);
1648 ST_FUNC void gen_addrpc32(int r, Sym *sym, int c);
1649 ST_FUNC void gen_cvt_csti(int t);
1650 #endif
1651
1652 #ifdef CONFIG_TCC_BCHECK
1653 ST_FUNC void gen_bounded_ptr_add(void);
1654 ST_FUNC void gen_bounded_ptr_deref(void);
1655 #endif
1656
1657 /* ------------ x86_64-gen.c ------------ */
1658 #ifdef TCC_TARGET_X86_64
1659 ST_FUNC void gen_addr64(int r, Sym *sym, int64_t c);
1660 ST_FUNC void gen_opl(int op);
1661 #ifdef TCC_TARGET_PE
1662 ST_FUNC void gen_vla_result(int addr);
1663 #endif
1664 ST_FUNC void gen_cvt_sxtw(void);
1665 ST_FUNC void gen_cvt_csti(int t);
1666 #endif
1667
1668 /* ------------ arm-gen.c ------------ */
1669 #ifdef TCC_TARGET_ARM
1670 #if defined(TCC_ARM_EABI) && !defined(CONFIG_TCC_ELFINTERP)
1671 PUB_FUNC const char *default_elfinterp(struct TCCState *s);
1672 #endif
1673 ST_FUNC void arm_init(struct TCCState *s);
1674 #endif
1675
1676 /* ------------ arm64-gen.c ------------ */
1677 #ifdef TCC_TARGET_ARM64
1678 ST_FUNC void gen_opl(int op);
1679 ST_FUNC void gfunc_return(CType *func_type);
1680 ST_FUNC void gen_va_start(void);
1681 ST_FUNC void gen_va_arg(CType *t);
1682 ST_FUNC void gen_clear_cache(void);
1683 ST_FUNC void gen_cvt_sxtw(void);
1684 ST_FUNC void gen_cvt_csti(int t);
1685 #endif
1686
1687 /* ------------ riscv64-gen.c ------------ */
1688 #ifdef TCC_TARGET_RISCV64
1689 ST_FUNC void gen_opl(int op);
1690 //ST_FUNC void gfunc_return(CType *func_type);
1691 ST_FUNC void gen_va_start(void);
1692 ST_FUNC void arch_transfer_ret_regs(int);
1693 ST_FUNC void gen_cvt_sxtw(void);
1694 #endif
1695
1696 /* ------------ c67-gen.c ------------ */
1697 #ifdef TCC_TARGET_C67
1698 #endif
1699
1700 /* ------------ tcccoff.c ------------ */
1701
1702 #ifdef TCC_TARGET_COFF
1703 ST_FUNC int tcc_output_coff(TCCState *s1, FILE *f);
1704 ST_FUNC int tcc_load_coff(TCCState * s1, int fd);
1705 #endif
1706
1707 /* ------------ tccasm.c ------------ */
1708 ST_FUNC void asm_instr(void);
1709 ST_FUNC void asm_global_instr(void);
1710 #ifdef CONFIG_TCC_ASM
1711 ST_FUNC int find_constraint(ASMOperand *operands, int nb_operands, const char *name, const char **pp);
1712 ST_FUNC Sym* get_asm_sym(int name, Sym *csym);
1713 ST_FUNC void asm_expr(TCCState *s1, ExprValue *pe);
1714 ST_FUNC int asm_int_expr(TCCState *s1);
1715 ST_FUNC int tcc_assemble(TCCState *s1, int do_preprocess);
1716 /* ------------ i386-asm.c ------------ */
1717 ST_FUNC void gen_expr32(ExprValue *pe);
1718 #ifdef TCC_TARGET_X86_64
1719 ST_FUNC void gen_expr64(ExprValue *pe);
1720 #endif
1721 ST_FUNC void asm_opcode(TCCState *s1, int opcode);
1722 ST_FUNC int asm_parse_regvar(int t);
1723 ST_FUNC void asm_compute_constraints(ASMOperand *operands, int nb_operands, int nb_outputs, const uint8_t *clobber_regs, int *pout_reg);
1724 ST_FUNC void subst_asm_operand(CString *add_str, SValue *sv, int modifier);
1725 ST_FUNC void asm_gen_code(ASMOperand *operands, int nb_operands, int nb_outputs, int is_output, uint8_t *clobber_regs, int out_reg);
1726 ST_FUNC void asm_clobber(uint8_t *clobber_regs, const char *str);
1727 #endif
1728
1729 /* ------------ tccpe.c -------------- */
1730 #ifdef TCC_TARGET_PE
1731 ST_FUNC int pe_load_file(struct TCCState *s1, const char *filename, int fd);
1732 ST_FUNC int pe_output_file(TCCState * s1, const char *filename);
1733 ST_FUNC int pe_putimport(TCCState *s1, int dllindex, const char *name, addr_t value);
1734 #if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
1735 ST_FUNC SValue *pe_getimport(SValue *sv, SValue *v2);
1736 #endif
1737 #ifdef TCC_TARGET_X86_64
1738 ST_FUNC void pe_add_unwind_data(unsigned start, unsigned end, unsigned stack);
1739 #endif
1740 PUB_FUNC int tcc_get_dllexports(const char *filename, char **pp);
1741 /* symbol properties stored in Elf32_Sym->st_other */
1742 # define ST_PE_EXPORT 0x10
1743 # define ST_PE_IMPORT 0x20
1744 # define ST_PE_STDCALL 0x40
1745 #endif
1746 #define ST_ASM_SET 0x04
1747
1748 /* ------------ tccmacho.c ----------------- */
1749 #ifdef TCC_TARGET_MACHO
1750 ST_FUNC int macho_output_file(TCCState * s1, const char *filename);
1751 ST_FUNC int macho_load_dll(TCCState *s1, int fd, const char *filename, int lev);
1752 #endif
1753 /* ------------ tccrun.c ----------------- */
1754 #ifdef TCC_IS_NATIVE
1755 #ifdef CONFIG_TCC_STATIC
1756 #define RTLD_LAZY 0x001
1757 #define RTLD_NOW 0x002
1758 #define RTLD_GLOBAL 0x100
1759 #define RTLD_DEFAULT NULL
1760 /* dummy function for profiling */
1761 ST_FUNC void *dlopen(const char *filename, int flag);
1762 ST_FUNC void dlclose(void *p);
1763 ST_FUNC const char *dlerror(void);
1764 ST_FUNC void *dlsym(void *handle, const char *symbol);
1765 #endif
1766 ST_FUNC void tcc_run_free(TCCState *s1);
1767 #endif
1768
1769 /* ------------ tcctools.c ----------------- */
1770 #if 0 /* included in tcc.c */
1771 ST_FUNC int tcc_tool_ar(TCCState *s, int argc, char **argv);
1772 #ifdef TCC_TARGET_PE
1773 ST_FUNC int tcc_tool_impdef(TCCState *s, int argc, char **argv);
1774 #endif
1775 ST_FUNC void tcc_tool_cross(TCCState *s, char **argv, int option);
1776 ST_FUNC void gen_makedeps(TCCState *s, const char *target, const char *filename);
1777 #endif
1778
1779 /********************************************************/
1780 #undef ST_DATA
1781 #if ONE_SOURCE
1782 #define ST_DATA static
1783 #else
1784 #define ST_DATA
1785 #endif
1786 /********************************************************/
1787
1788 #define text_section TCC_STATE_VAR(text_section)
1789 #define data_section TCC_STATE_VAR(data_section)
1790 #define bss_section TCC_STATE_VAR(bss_section)
1791 #define common_section TCC_STATE_VAR(common_section)
1792 #define cur_text_section TCC_STATE_VAR(cur_text_section)
1793 #define bounds_section TCC_STATE_VAR(bounds_section)
1794 #define lbounds_section TCC_STATE_VAR(lbounds_section)
1795 #define symtab_section TCC_STATE_VAR(symtab_section)
1796 #define stab_section TCC_STATE_VAR(stab_section)
1797 #define stabstr_section stab_section->link
1798 #define gnu_ext TCC_STATE_VAR(gnu_ext)
1799 #define tcc_error_noabort TCC_SET_STATE(_tcc_error_noabort)
1800 #define tcc_error TCC_SET_STATE(_tcc_error)
1801 #define tcc_warning TCC_SET_STATE(_tcc_warning)
1802
1803 #define total_idents TCC_STATE_VAR(total_idents)
1804 #define total_lines TCC_STATE_VAR(total_lines)
1805 #define total_bytes TCC_STATE_VAR(total_bytes)
1806
1807 PUB_FUNC void tcc_enter_state(TCCState *s1);
1808 PUB_FUNC void tcc_exit_state(void);
1809
1810 /********************************************************/
1811 #endif /* _TCC_H */
1812
1813 #undef TCC_STATE_VAR
1814 #undef TCC_SET_STATE
1815
1816 #ifdef USING_GLOBALS
1817 # define TCC_STATE_VAR(sym) tcc_state->sym
1818 # define TCC_SET_STATE(fn) fn
1819 # undef USING_GLOBALS
1820 #else
1821 # define TCC_STATE_VAR(sym) s1->sym
1822 # define TCC_SET_STATE(fn) (tcc_enter_state(s1),fn)
1823 /* actually we could avoid the tcc_enter_state(s1) hack by using
1824 __VA_ARGS__ except that some compiler doesn't support it. */
1825 #endif
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