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Missied a commit in order to support -v --help the same way as gcc does
[tinycc.git] / tcc.h
blob33dc1fdb1520f26fccd718202986538456dc17ca
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 <stdarg.h>
28 #include <stdlib.h>
29 #include <stdio.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 # define WIN32_LEAN_AND_MEAN
50 # include <windows.h>
51 # include <io.h> /* open, close etc. */
52 # include <direct.h> /* getcwd */
53 # ifdef __GNUC__
54 # include <stdint.h>
55 # endif
56 # define inline __inline
57 # define snprintf _snprintf
58 # define vsnprintf _vsnprintf
59 # ifndef __GNUC__
60 # define strtold (long double)strtod
61 # define strtof (float)strtod
62 # define strtoll _strtoi64
63 # define strtoull _strtoui64
64 # endif
65 # ifdef LIBTCC_AS_DLL
66 # define LIBTCCAPI __declspec(dllexport)
67 # define PUB_FUNC LIBTCCAPI
68 # endif
69 # define inp next_inp /* inp is an intrinsic on msvc/mingw */
70 # ifdef _MSC_VER
71 # pragma warning (disable : 4244) // conversion from 'uint64_t' to 'int', possible loss of data
72 # pragma warning (disable : 4267) // conversion from 'size_t' to 'int', possible loss of data
73 # pragma warning (disable : 4996) // The POSIX name for this item is deprecated. Instead, use the ISO C and C++ conformant name
74 # pragma warning (disable : 4018) // signed/unsigned mismatch
75 # pragma warning (disable : 4146) // unary minus operator applied to unsigned type, result still unsigned
76 # define ssize_t intptr_t
77 # ifdef _X86_
78 # define __i386__ 1
79 # endif
80 # ifdef _AMD64_
81 # define __x86_64__ 1
82 # endif
83 # endif
84 # undef CONFIG_TCC_STATIC
85 #endif
86
87 #ifndef O_BINARY
88 # define O_BINARY 0
89 #endif
90
91 #ifndef offsetof
92 #define offsetof(type, field) ((size_t) &((type *)0)->field)
93 #endif
94
95 #ifndef countof
96 #define countof(tab) (sizeof(tab) / sizeof((tab)[0]))
97 #endif
98
99 #ifdef _MSC_VER
100 # define NORETURN __declspec(noreturn)
101 # define ALIGNED(x) __declspec(align(x))
102 # define PRINTF_LIKE(x,y)
103 #else
104 # define NORETURN __attribute__((noreturn))
105 # define ALIGNED(x) __attribute__((aligned(x)))
106 # define PRINTF_LIKE(x,y) __attribute__ ((format (printf, (x), (y))))
107 #endif
108
109 /* gnu headers use to #define __attribute__ to empty for non-gcc compilers */
110 #ifdef __TINYC__
111 # undef __attribute__
112 #endif
113
114 #ifdef _WIN32
115 # define IS_DIRSEP(c) (c == '/' || c == '\\')
116 # define IS_ABSPATH(p) (IS_DIRSEP(p[0]) || (p[0] && p[1] == ':' && IS_DIRSEP(p[2])))
117 # define PATHCMP stricmp
118 # define PATHSEP ";"
119 #else
120 # define IS_DIRSEP(c) (c == '/')
121 # define IS_ABSPATH(p) IS_DIRSEP(p[0])
122 # define PATHCMP strcmp
123 # define PATHSEP ":"
124 #endif
125
126 /* -------------------------------------------- */
127
128 /* parser debug */
129 /* #define PARSE_DEBUG */
130 /* preprocessor debug */
131 /* #define PP_DEBUG */
132 /* include file debug */
133 /* #define INC_DEBUG */
134 /* memory leak debug (only for single threaded usage) */
135 /* #define MEM_DEBUG */
136 /* assembler debug */
137 /* #define ASM_DEBUG */
138
139 /* target selection */
140 /* #define TCC_TARGET_I386 *//* i386 code generator */
141 /* #define TCC_TARGET_X86_64 *//* x86-64 code generator */
142 /* #define TCC_TARGET_ARM *//* ARMv4 code generator */
143 /* #define TCC_TARGET_ARM64 *//* ARMv8 code generator */
144 /* #define TCC_TARGET_C67 *//* TMS320C67xx code generator */
145 /* #define TCC_TARGET_RISCV64 *//* risc-v code generator */
146
147 /* default target is I386 */
148 #if !defined(TCC_TARGET_I386) && !defined(TCC_TARGET_ARM) && \
149 !defined(TCC_TARGET_ARM64) && !defined(TCC_TARGET_C67) && \
150 !defined(TCC_TARGET_X86_64) && !defined(TCC_TARGET_RISCV64)
151 # if defined __x86_64__
152 # define TCC_TARGET_X86_64
153 # elif defined __arm__
154 # define TCC_TARGET_ARM
155 # define TCC_ARM_EABI
156 # define TCC_ARM_VFP
157 # define TCC_ARM_HARDFLOAT
158 # elif defined __aarch64__
159 # define TCC_TARGET_ARM64
160 # elif defined __riscv
161 # define TCC_TARGET_RISCV64
162 # else
163 # define TCC_TARGET_I386
164 # endif
165 # ifdef _WIN32
166 # define TCC_TARGET_PE 1
167 # endif
168 #endif
169
170 /* only native compiler supports -run */
171 #if defined _WIN32 == defined TCC_TARGET_PE
172 # if defined __i386__ && defined TCC_TARGET_I386
173 # define TCC_IS_NATIVE
174 # elif defined __x86_64__ && defined TCC_TARGET_X86_64
175 # define TCC_IS_NATIVE
176 # elif defined __arm__ && defined TCC_TARGET_ARM
177 # define TCC_IS_NATIVE
178 # elif defined __aarch64__ && defined TCC_TARGET_ARM64
179 # define TCC_IS_NATIVE
180 # elif defined __riscv && defined __LP64__ && defined TCC_TARGET_RISCV64
181 # define TCC_IS_NATIVE
182 # endif
183 #endif
184
185 #if defined TCC_IS_NATIVE && !defined CONFIG_TCCBOOT
186 # define CONFIG_TCC_BACKTRACE
187 # if (defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64) \
188 && !defined TCC_UCLIBC && !defined TCC_MUSL
189 # define CONFIG_TCC_BCHECK /* enable bound checking code */
190 # endif
191 #endif
192
193 /* ------------ path configuration ------------ */
194
195 #ifndef CONFIG_SYSROOT
196 # define CONFIG_SYSROOT ""
197 #endif
198 #ifndef CONFIG_TCCDIR
199 # define CONFIG_TCCDIR "/usr/local/lib/tcc"
200 #endif
201 #ifndef CONFIG_LDDIR
202 # define CONFIG_LDDIR "lib"
203 #endif
204 #ifdef CONFIG_TRIPLET
205 # define USE_TRIPLET(s) s "/" CONFIG_TRIPLET
206 # define ALSO_TRIPLET(s) USE_TRIPLET(s) ":" s
207 #else
208 # define USE_TRIPLET(s) s
209 # define ALSO_TRIPLET(s) s
210 #endif
211
212 /* path to find crt1.o, crti.o and crtn.o */
213 #ifndef CONFIG_TCC_CRTPREFIX
214 # define CONFIG_TCC_CRTPREFIX USE_TRIPLET(CONFIG_SYSROOT "/usr/" CONFIG_LDDIR)
215 #endif
216
217 /* Below: {B} is substituted by CONFIG_TCCDIR (rsp. -B option) */
218
219 /* system include paths */
220 #ifndef CONFIG_TCC_SYSINCLUDEPATHS
221 # ifdef TCC_TARGET_PE
222 # define CONFIG_TCC_SYSINCLUDEPATHS "{B}/include"PATHSEP"{B}/include/winapi"
223 # else
224 # define CONFIG_TCC_SYSINCLUDEPATHS \
225 "{B}/include" \
226 ":" ALSO_TRIPLET(CONFIG_SYSROOT "/usr/local/include") \
227 ":" ALSO_TRIPLET(CONFIG_SYSROOT "/usr/include")
228 # endif
229 #endif
230
231 /* library search paths */
232 #ifndef CONFIG_TCC_LIBPATHS
233 # ifdef TCC_TARGET_PE
234 # define CONFIG_TCC_LIBPATHS "{B}/lib"
235 # else
236 # define CONFIG_TCC_LIBPATHS \
237 ALSO_TRIPLET(CONFIG_SYSROOT "/usr/" CONFIG_LDDIR) \
238 ":" ALSO_TRIPLET(CONFIG_SYSROOT "/" CONFIG_LDDIR) \
239 ":" ALSO_TRIPLET(CONFIG_SYSROOT "/usr/local/" CONFIG_LDDIR)
240 # endif
241 #endif
242
243 /* name of ELF interpreter */
244 #ifndef CONFIG_TCC_ELFINTERP
245 # if defined __FreeBSD__
246 # define CONFIG_TCC_ELFINTERP "/libexec/ld-elf.so.1"
247 # elif defined __FreeBSD_kernel__
248 # if defined(TCC_TARGET_X86_64)
249 # define CONFIG_TCC_ELFINTERP "/lib/ld-kfreebsd-x86-64.so.1"
250 # else
251 # define CONFIG_TCC_ELFINTERP "/lib/ld.so.1"
252 # endif
253 # elif defined __DragonFly__
254 # define CONFIG_TCC_ELFINTERP "/usr/libexec/ld-elf.so.2"
255 # elif defined __NetBSD__
256 # define CONFIG_TCC_ELFINTERP "/usr/libexec/ld.elf_so"
257 # elif defined __GNU__
258 # define CONFIG_TCC_ELFINTERP "/lib/ld.so"
259 # elif defined(TCC_TARGET_PE)
260 # define CONFIG_TCC_ELFINTERP "-"
261 # elif defined(TCC_UCLIBC)
262 # define CONFIG_TCC_ELFINTERP "/lib/ld-uClibc.so.0" /* is there a uClibc for x86_64 ? */
263 # elif defined TCC_TARGET_ARM64
264 # if defined(TCC_MUSL)
265 # define CONFIG_TCC_ELFINTERP "/lib/ld-musl-aarch64.so.1"
266 # else
267 # define CONFIG_TCC_ELFINTERP "/lib/ld-linux-aarch64.so.1"
268 # endif
269 # elif defined(TCC_TARGET_X86_64)
270 # if defined(TCC_MUSL)
271 # define CONFIG_TCC_ELFINTERP "/lib/ld-musl-x86_64.so.1"
272 # else
273 # define CONFIG_TCC_ELFINTERP "/lib64/ld-linux-x86-64.so.2"
274 # endif
275 # elif defined(TCC_TARGET_RISCV64)
276 # define CONFIG_TCC_ELFINTERP "/lib/ld-linux-riscv64-lp64d.so.1"
277 # elif !defined(TCC_ARM_EABI)
278 # if defined(TCC_MUSL)
279 # if defined(TCC_TARGET_I386)
280 # define CONFIG_TCC_ELFINTERP "/lib/ld-musl-i386.so.1"
281 # else
282 # define CONFIG_TCC_ELFINTERP "/lib/ld-musl-arm.so.1"
283 # endif
284 # else
285 # define CONFIG_TCC_ELFINTERP "/lib/ld-linux.so.2"
286 # endif
287 # endif
288 #endif
289
290 /* var elf_interp dans *-gen.c */
291 #ifdef CONFIG_TCC_ELFINTERP
292 # define DEFAULT_ELFINTERP(s) CONFIG_TCC_ELFINTERP
293 #else
294 # define DEFAULT_ELFINTERP(s) default_elfinterp(s)
295 #endif
296
297 /* (target specific) libtcc1.a */
298 #ifndef TCC_LIBTCC1
299 # define TCC_LIBTCC1 "libtcc1.a"
300 #endif
301
302 /* library to use with CONFIG_USE_LIBGCC instead of libtcc1.a */
303 #if defined CONFIG_USE_LIBGCC && !defined TCC_LIBGCC
304 #define TCC_LIBGCC USE_TRIPLET(CONFIG_SYSROOT "/" CONFIG_LDDIR) "/libgcc_s.so.1"
305 #endif
306
307 /* -------------------------------------------- */
308
309 #include "libtcc.h"
310 #include "elf.h"
311 #include "stab.h"
312
313 /* -------------------------------------------- */
314
315 #ifndef PUB_FUNC /* functions used by tcc.c but not in libtcc.h */
316 # define PUB_FUNC
317 #endif
318
319 #ifndef ONE_SOURCE
320 # define ONE_SOURCE 1
321 #endif
322
323 /* support using libtcc from threads */
324 #define CONFIG_TCC_SEMLOCK
325
326 #if ONE_SOURCE
327 #define ST_INLN static inline
328 #define ST_FUNC static
329 #define ST_DATA static
330 #else
331 #define ST_INLN
332 #define ST_FUNC
333 #define ST_DATA extern
334 #endif
335
336 #ifdef TCC_PROFILE /* profile all functions */
337 # define static
338 #endif
339
340 /* -------------------------------------------- */
341 /* include the target specific definitions */
342
343 #define TARGET_DEFS_ONLY
344 #ifdef TCC_TARGET_I386
345 # include "i386-gen.c"
346 # include "i386-link.c"
347 #elif defined TCC_TARGET_X86_64
348 # include "x86_64-gen.c"
349 # include "x86_64-link.c"
350 #elif defined TCC_TARGET_ARM
351 # include "arm-gen.c"
352 # include "arm-link.c"
353 # include "arm-asm.c"
354 #elif defined TCC_TARGET_ARM64
355 # include "arm64-gen.c"
356 # include "arm64-link.c"
357 #elif defined TCC_TARGET_C67
358 # define TCC_TARGET_COFF
359 # include "coff.h"
360 # include "c67-gen.c"
361 # include "c67-link.c"
362 #elif defined(TCC_TARGET_RISCV64)
363 # include "riscv64-gen.c"
364 # include "riscv64-link.c"
365 #else
366 #error unknown target
367 #endif
368 #undef TARGET_DEFS_ONLY
369
370 /* -------------------------------------------- */
371
372 #if PTR_SIZE == 8
373 # define ELFCLASSW ELFCLASS64
374 # define ElfW(type) Elf##64##_##type
375 # define ELFW(type) ELF##64##_##type
376 # define ElfW_Rel ElfW(Rela)
377 # define SHT_RELX SHT_RELA
378 # define REL_SECTION_FMT ".rela%s"
379 #else
380 # define ELFCLASSW ELFCLASS32
381 # define ElfW(type) Elf##32##_##type
382 # define ELFW(type) ELF##32##_##type
383 # define ElfW_Rel ElfW(Rel)
384 # define SHT_RELX SHT_REL
385 # define REL_SECTION_FMT ".rel%s"
386 #endif
387 /* target address type */
388 #define addr_t ElfW(Addr)
389 #define ElfSym ElfW(Sym)
390
391 #if PTR_SIZE == 8 && !defined TCC_TARGET_PE
392 # define LONG_SIZE 8
393 #else
394 # define LONG_SIZE 4
395 #endif
396
397 /* -------------------------------------------- */
398
399 #define INCLUDE_STACK_SIZE 32
400 #define IFDEF_STACK_SIZE 64
401 #define VSTACK_SIZE 256
402 #define STRING_MAX_SIZE 1024
403 #define TOKSTR_MAX_SIZE 256
404 #define PACK_STACK_SIZE 8
405
406 #define TOK_HASH_SIZE 16384 /* must be a power of two */
407 #define TOK_ALLOC_INCR 512 /* must be a power of two */
408 #define TOK_MAX_SIZE 4 /* token max size in int unit when stored in string */
409
410 /* token symbol management */
411 typedef struct TokenSym {
412 struct TokenSym *hash_next;
413 struct Sym *sym_define; /* direct pointer to define */
414 struct Sym *sym_label; /* direct pointer to label */
415 struct Sym *sym_struct; /* direct pointer to structure */
416 struct Sym *sym_identifier; /* direct pointer to identifier */
417 int tok; /* token number */
418 int len;
419 char str[1];
420 } TokenSym;
421
422 #ifdef TCC_TARGET_PE
423 typedef unsigned short nwchar_t;
424 #else
425 typedef int nwchar_t;
426 #endif
427
428 typedef struct CString {
429 int size; /* size in bytes */
430 void *data; /* either 'char *' or 'nwchar_t *' */
431 int size_allocated;
432 } CString;
433
434 /* type definition */
435 typedef struct CType {
436 int t;
437 struct Sym *ref;
438 } CType;
439
440 /* constant value */
441 typedef union CValue {
442 long double ld;
443 double d;
444 float f;
445 uint64_t i;
446 struct {
447 int size;
448 const void *data;
449 } str;
450 int tab[LDOUBLE_SIZE/4];
451 } CValue;
452
453 /* value on stack */
454 typedef struct SValue {
455 CType type; /* type */
456 unsigned short r; /* register + flags */
457 unsigned short r2; /* second register, used for 'long long'
458 type. If not used, set to VT_CONST */
459 union {
460 struct { int jtrue, jfalse; }; /* forward jmps */
461 CValue c; /* constant, if VT_CONST */
462 };
463 union {
464 struct { unsigned short cmp_op, cmp_r; }; /* VT_CMP operation */
465 struct Sym *sym; /* symbol, if (VT_SYM | VT_CONST), or if */
466 }; /* result of unary() for an identifier. */
467
468 } SValue;
469
470 /* symbol attributes */
471 struct SymAttr {
472 unsigned short
473 aligned : 5, /* alignment as log2+1 (0 == unspecified) */
474 packed : 1,
475 weak : 1,
476 visibility : 2,
477 dllexport : 1,
478 nodecorate : 1,
479 dllimport : 1,
480 addrtaken : 1,
481 xxxx : 3; /* not used */
482 };
483
484 /* function attributes or temporary attributes for parsing */
485 struct FuncAttr {
486 unsigned
487 func_call : 3, /* calling convention (0..5), see below */
488 func_type : 2, /* FUNC_OLD/NEW/ELLIPSIS */
489 func_noreturn : 1, /* attribute((noreturn)) */
490 func_ctor : 1, /* attribute((constructor)) */
491 func_dtor : 1, /* attribute((destructor)) */
492 func_args : 8; /* PE __stdcall args */
493 };
494
495 /* symbol management */
496 typedef struct Sym {
497 int v; /* symbol token */
498 unsigned short r; /* associated register or VT_CONST/VT_LOCAL and LVAL type */
499 struct SymAttr a; /* symbol attributes */
500 union {
501 struct {
502 int c; /* associated number or Elf symbol index */
503 union {
504 int sym_scope; /* scope level for locals */
505 int jnext; /* next jump label */
506 struct FuncAttr f; /* function attributes */
507 int auxtype; /* bitfield access type */
508 };
509 };
510 long long enum_val; /* enum constant if IS_ENUM_VAL */
511 int *d; /* define token stream */
512 struct Sym *ncl; /* next cleanup */
513 };
514 CType type; /* associated type */
515 union {
516 struct Sym *next; /* next related symbol (for fields and anoms) */
517 struct Sym *cleanupstate; /* in defined labels */
518 int asm_label; /* associated asm label */
519 };
520 struct Sym *prev; /* prev symbol in stack */
521 struct Sym *prev_tok; /* previous symbol for this token */
522 } Sym;
523
524 /* section definition */
525 typedef struct Section {
526 unsigned long data_offset; /* current data offset */
527 unsigned char *data; /* section data */
528 unsigned long data_allocated; /* used for realloc() handling */
529 TCCState *s1;
530 int sh_name; /* elf section name (only used during output) */
531 int sh_num; /* elf section number */
532 int sh_type; /* elf section type */
533 int sh_flags; /* elf section flags */
534 int sh_info; /* elf section info */
535 int sh_addralign; /* elf section alignment */
536 int sh_entsize; /* elf entry size */
537 unsigned long sh_size; /* section size (only used during output) */
538 addr_t sh_addr; /* address at which the section is relocated */
539 unsigned long sh_offset; /* file offset */
540 int nb_hashed_syms; /* used to resize the hash table */
541 struct Section *link; /* link to another section */
542 struct Section *reloc; /* corresponding section for relocation, if any */
543 struct Section *hash; /* hash table for symbols */
544 struct Section *prev; /* previous section on section stack */
545 char name[1]; /* section name */
546 } Section;
547
548 typedef struct DLLReference {
549 int level;
550 void *handle;
551 char name[1];
552 } DLLReference;
553
554 /* -------------------------------------------------- */
555
556 #define SYM_STRUCT 0x40000000 /* struct/union/enum symbol space */
557 #define SYM_FIELD 0x20000000 /* struct/union field symbol space */
558 #define SYM_FIRST_ANOM 0x10000000 /* first anonymous sym */
559
560 /* stored in 'Sym->f.func_type' field */
561 #define FUNC_NEW 1 /* ansi function prototype */
562 #define FUNC_OLD 2 /* old function prototype */
563 #define FUNC_ELLIPSIS 3 /* ansi function prototype with ... */
564
565 /* stored in 'Sym->f.func_call' field */
566 #define FUNC_CDECL 0 /* standard c call */
567 #define FUNC_STDCALL 1 /* pascal c call */
568 #define FUNC_FASTCALL1 2 /* first param in %eax */
569 #define FUNC_FASTCALL2 3 /* first parameters in %eax, %edx */
570 #define FUNC_FASTCALL3 4 /* first parameter in %eax, %edx, %ecx */
571 #define FUNC_FASTCALLW 5 /* first parameter in %ecx, %edx */
572
573 /* field 'Sym.t' for macros */
574 #define MACRO_OBJ 0 /* object like macro */
575 #define MACRO_FUNC 1 /* function like macro */
576
577 /* field 'Sym.r' for C labels */
578 #define LABEL_DEFINED 0 /* label is defined */
579 #define LABEL_FORWARD 1 /* label is forward defined */
580 #define LABEL_DECLARED 2 /* label is declared but never used */
581 #define LABEL_GONE 3 /* label isn't in scope, but not yet popped
582 from local_label_stack (stmt exprs) */
583
584 /* type_decl() types */
585 #define TYPE_ABSTRACT 1 /* type without variable */
586 #define TYPE_DIRECT 2 /* type with variable */
587
588 #define IO_BUF_SIZE 8192
589
590 typedef struct BufferedFile {
591 uint8_t *buf_ptr;
592 uint8_t *buf_end;
593 int fd;
594 struct BufferedFile *prev;
595 int line_num; /* current line number - here to simplify code */
596 int line_ref; /* tcc -E: last printed line */
597 int ifndef_macro; /* #ifndef macro / #endif search */
598 int ifndef_macro_saved; /* saved ifndef_macro */
599 int *ifdef_stack_ptr; /* ifdef_stack value at the start of the file */
600 int include_next_index; /* next search path */
601 char filename[1024]; /* filename */
602 char *true_filename; /* filename not modified by # line directive */
603 unsigned char unget[4];
604 unsigned char buffer[1]; /* extra size for CH_EOB char */
605 } BufferedFile;
606
607 #define CH_EOB '\\' /* end of buffer or '\0' char in file */
608 #define CH_EOF (-1) /* end of file */
609
610 /* used to record tokens */
611 typedef struct TokenString {
612 int *str;
613 int len;
614 int lastlen;
615 int allocated_len;
616 int last_line_num;
617 int save_line_num;
618 /* used to chain token-strings with begin/end_macro() */
619 struct TokenString *prev;
620 const int *prev_ptr;
621 char alloc;
622 } TokenString;
623
624 /* GNUC attribute definition */
625 typedef struct AttributeDef {
626 struct SymAttr a;
627 struct FuncAttr f;
628 struct Section *section;
629 Sym *cleanup_func;
630 int alias_target; /* token */
631 int asm_label; /* associated asm label */
632 char attr_mode; /* __attribute__((__mode__(...))) */
633 } AttributeDef;
634
635 /* inline functions */
636 typedef struct InlineFunc {
637 TokenString *func_str;
638 Sym *sym;
639 char filename[1];
640 } InlineFunc;
641
642 /* include file cache, used to find files faster and also to eliminate
643 inclusion if the include file is protected by #ifndef ... #endif */
644 typedef struct CachedInclude {
645 int ifndef_macro;
646 int once;
647 int hash_next; /* -1 if none */
648 char filename[1]; /* path specified in #include */
649 } CachedInclude;
650
651 #define CACHED_INCLUDES_HASH_SIZE 32
652
653 #ifdef CONFIG_TCC_ASM
654 typedef struct ExprValue {
655 uint64_t v;
656 Sym *sym;
657 int pcrel;
658 } ExprValue;
659
660 #define MAX_ASM_OPERANDS 30
661 typedef struct ASMOperand {
662 int id; /* GCC 3 optional identifier (0 if number only supported */
663 char *constraint;
664 char asm_str[16]; /* computed asm string for operand */
665 SValue *vt; /* C value of the expression */
666 int ref_index; /* if >= 0, gives reference to a output constraint */
667 int input_index; /* if >= 0, gives reference to an input constraint */
668 int priority; /* priority, used to assign registers */
669 int reg; /* if >= 0, register number used for this operand */
670 int is_llong; /* true if double register value */
671 int is_memory; /* true if memory operand */
672 int is_rw; /* for '+' modifier */
673 } ASMOperand;
674 #endif
675
676 /* extra symbol attributes (not in symbol table) */
677 struct sym_attr {
678 unsigned got_offset;
679 unsigned plt_offset;
680 int plt_sym;
681 int dyn_index;
682 #ifdef TCC_TARGET_ARM
683 unsigned char plt_thumb_stub:1;
684 #endif
685 };
686
687 struct TCCState {
688 unsigned char verbose; /* if true, display some information during compilation */
689 unsigned char nostdinc; /* if true, no standard headers are added */
690 unsigned char nostdlib; /* if true, no standard libraries are added */
691 unsigned char nocommon; /* if true, do not use common symbols for .bss data */
692 unsigned char static_link; /* if true, static linking is performed */
693 unsigned char rdynamic; /* if true, all symbols are exported */
694 unsigned char symbolic; /* if true, resolve symbols in the current module first */
695 unsigned char filetype; /* file type for compilation (NONE,C,ASM) */
696 unsigned int cversion; /* supported C ISO version, 199901 (the default), 201112, ... */
697
698 char *tcc_lib_path; /* CONFIG_TCCDIR or -B option */
699 char *soname; /* as specified on the command line (-soname) */
700 char *rpath; /* as specified on the command line (-Wl,-rpath=) */
701 unsigned char enable_new_dtags; /* ditto, (-Wl,--enable-new-dtags) */
702
703 /* output type, see TCC_OUTPUT_XXX */
704 int output_type;
705 /* output format, see TCC_OUTPUT_FORMAT_xxx */
706 int output_format;
707
708 /* C language options */
709 unsigned char char_is_unsigned;
710 unsigned char leading_underscore;
711 unsigned char ms_extensions; /* allow nested named struct w/o identifier behave like unnamed */
712 unsigned char dollars_in_identifiers; /* allows '$' char in identifiers */
713 unsigned char ms_bitfields; /* if true, emulate MS algorithm for aligning bitfields */
714
715 /* warning switches */
716 unsigned char warn_write_strings;
717 unsigned char warn_unsupported;
718 unsigned char warn_error;
719 unsigned char warn_none;
720 unsigned char warn_implicit_function_declaration;
721 unsigned char warn_gcc_compat;
722
723 /* compile with debug symbol (and use them if error during execution) */
724 unsigned char do_debug;
725 unsigned char do_backtrace;
726 #ifdef CONFIG_TCC_BCHECK
727 /* compile with built-in memory and bounds checker */
728 unsigned char do_bounds_check;
729 #endif
730 #ifdef TCC_TARGET_ARM
731 enum float_abi float_abi; /* float ABI of the generated code*/
732 #endif
733 int run_test; /* nth test to run with -dt -run */
734
735 addr_t text_addr; /* address of text section */
736 unsigned char has_text_addr;
737
738 unsigned section_align; /* section alignment */
739
740 /* use GNU C extensions */
741 unsigned char gnu_ext;
742 /* use TinyCC extensions */
743 unsigned char tcc_ext;
744
745 char *init_symbol; /* symbols to call at load-time (not used currently) */
746 char *fini_symbol; /* symbols to call at unload-time (not used currently) */
747
748 #ifdef TCC_TARGET_I386
749 int seg_size; /* 32. Can be 16 with i386 assembler (.code16) */
750 #endif
751 #ifdef TCC_TARGET_X86_64
752 unsigned char nosse; /* For -mno-sse support. */
753 #endif
754
755 /* array of all loaded dlls (including those referenced by loaded dlls) */
756 DLLReference **loaded_dlls;
757 int nb_loaded_dlls;
758
759 /* include paths */
760 char **include_paths;
761 int nb_include_paths;
762
763 char **sysinclude_paths;
764 int nb_sysinclude_paths;
765
766 /* library paths */
767 char **library_paths;
768 int nb_library_paths;
769
770 /* crt?.o object path */
771 char **crt_paths;
772 int nb_crt_paths;
773
774 /* -D / -U options */
775 CString cmdline_defs;
776 /* -include options */
777 CString cmdline_incl;
778
779 /* error handling */
780 void *error_opaque;
781 void (*error_func)(void *opaque, const char *msg);
782 int error_set_jmp_enabled;
783 jmp_buf error_jmp_buf;
784 int nb_errors;
785
786 /* output file for preprocessing (-E) */
787 FILE *ppfp;
788 enum {
789 LINE_MACRO_OUTPUT_FORMAT_GCC,
790 LINE_MACRO_OUTPUT_FORMAT_NONE,
791 LINE_MACRO_OUTPUT_FORMAT_STD,
792 LINE_MACRO_OUTPUT_FORMAT_P10 = 11
793 } Pflag; /* -P switch */
794 char dflag; /* -dX value */
795
796 /* for -MD/-MF: collected dependencies for this compilation */
797 char **target_deps;
798 int nb_target_deps;
799
800 /* compilation */
801 BufferedFile *include_stack[INCLUDE_STACK_SIZE];
802 BufferedFile **include_stack_ptr;
803
804 int ifdef_stack[IFDEF_STACK_SIZE];
805 int *ifdef_stack_ptr;
806
807 /* included files enclosed with #ifndef MACRO */
808 int cached_includes_hash[CACHED_INCLUDES_HASH_SIZE];
809 CachedInclude **cached_includes;
810 int nb_cached_includes;
811
812 /* #pragma pack stack */
813 int pack_stack[PACK_STACK_SIZE];
814 int *pack_stack_ptr;
815 char **pragma_libs;
816 int nb_pragma_libs;
817
818 /* inline functions are stored as token lists and compiled last
819 only if referenced */
820 struct InlineFunc **inline_fns;
821 int nb_inline_fns;
822
823 /* sections */
824 Section **sections;
825 int nb_sections; /* number of sections, including first dummy section */
826
827 Section **priv_sections;
828 int nb_priv_sections; /* number of private sections */
829
830 /* got & plt handling */
831 Section *got;
832 Section *plt;
833
834 /* predefined sections */
835 Section *text_section, *data_section, *bss_section;
836 Section *common_section;
837 Section *cur_text_section; /* current section where function code is generated */
838 #ifdef CONFIG_TCC_BCHECK
839 /* bound check related sections */
840 Section *bounds_section; /* contains global data bound description */
841 Section *lbounds_section; /* contains local data bound description */
842 #endif
843 /* symbol sections */
844 Section *symtab_section;
845 /* debug sections */
846 Section *stab_section;
847 /* Is there a new undefined sym since last new_undef_sym() */
848 int new_undef_sym;
849
850 /* temporary dynamic symbol sections (for dll loading) */
851 Section *dynsymtab_section;
852 /* exported dynamic symbol section */
853 Section *dynsym;
854 /* copy of the global symtab_section variable */
855 Section *symtab;
856 /* extra attributes (eg. GOT/PLT value) for symtab symbols */
857 struct sym_attr *sym_attrs;
858 int nb_sym_attrs;
859 /* ptr to next reloc entry reused */
860 ElfW_Rel *qrel;
861 # define qrel s1->qrel
862
863 #ifdef TCC_TARGET_PE
864 /* PE info */
865 int pe_subsystem;
866 unsigned pe_characteristics;
867 unsigned pe_file_align;
868 unsigned pe_stack_size;
869 addr_t pe_imagebase;
870 # ifdef TCC_TARGET_X86_64
871 Section *uw_pdata;
872 int uw_sym;
873 unsigned uw_offs;
874 # endif
875 # define ELF_OBJ_ONLY
876 #endif
877
878 #ifndef ELF_OBJ_ONLY
879 int nb_sym_versions;
880 struct sym_version *sym_versions;
881 int nb_sym_to_version;
882 int *sym_to_version;
883 int dt_verneednum;
884 Section *versym_section;
885 Section *verneed_section;
886 #endif
887
888 #ifdef TCC_IS_NATIVE
889 const char *runtime_main;
890 void **runtime_mem;
891 int nb_runtime_mem;
892 #endif
893
894 #ifdef CONFIG_TCC_BACKTRACE
895 int rt_num_callers;
896 #endif
897
898 int fd, cc; /* used by tcc_load_ldscript */
899
900 /* benchmark info */
901 int total_idents;
902 int total_lines;
903 int total_bytes;
904
905 /* option -dnum (for general development purposes) */
906 int g_debug;
907
908 /* used by main and tcc_parse_args only */
909 struct filespec **files; /* files seen on command line */
910 int nb_files; /* number thereof */
911 int nb_libraries; /* number of libs thereof */
912 char *outfile; /* output filename */
913 unsigned char option_r; /* option -r */
914 unsigned char do_bench; /* option -bench */
915 int gen_deps; /* option -MD */
916 char *deps_outfile; /* option -MF */
917 unsigned char option_pthread; /* -pthread option */
918 int argc;
919 char **argv;
920 };
921
922 struct filespec {
923 char type;
924 char name[1];
925 };
926
927 /* The current value can be: */
928 #define VT_VALMASK 0x003f /* mask for value location, register or: */
929 #define VT_CONST 0x0030 /* constant in vc (must be first non register value) */
930 #define VT_LLOCAL 0x0031 /* lvalue, offset on stack */
931 #define VT_LOCAL 0x0032 /* offset on stack */
932 #define VT_CMP 0x0033 /* the value is stored in processor flags (in vc) */
933 #define VT_JMP 0x0034 /* value is the consequence of jmp true (even) */
934 #define VT_JMPI 0x0035 /* value is the consequence of jmp false (odd) */
935 #define VT_LVAL 0x0100 /* var is an lvalue */
936 #define VT_SYM 0x0200 /* a symbol value is added */
937 #define VT_MUSTCAST 0x0C00 /* value must be casted to be correct (used for
938 char/short stored in integer registers) */
939 #define VT_MUSTBOUND 0x4000 /* bound checking must be done before
940 dereferencing value */
941 #define VT_BOUNDED 0x8000 /* value is bounded. The address of the
942 bounding function call point is in vc */
943 /* types */
944 #define VT_BTYPE 0x000f /* mask for basic type */
945 #define VT_VOID 0 /* void type */
946 #define VT_BYTE 1 /* signed byte type */
947 #define VT_SHORT 2 /* short type */
948 #define VT_INT 3 /* integer type */
949 #define VT_LLONG 4 /* 64 bit integer */
950 #define VT_PTR 5 /* pointer */
951 #define VT_FUNC 6 /* function type */
952 #define VT_STRUCT 7 /* struct/union definition */
953 #define VT_FLOAT 8 /* IEEE float */
954 #define VT_DOUBLE 9 /* IEEE double */
955 #define VT_LDOUBLE 10 /* IEEE long double */
956 #define VT_BOOL 11 /* ISOC99 boolean type */
957 #define VT_QLONG 13 /* 128-bit integer. Only used for x86-64 ABI */
958 #define VT_QFLOAT 14 /* 128-bit float. Only used for x86-64 ABI */
959
960 #define VT_UNSIGNED 0x0010 /* unsigned type */
961 #define VT_DEFSIGN 0x0020 /* explicitly signed or unsigned */
962 #define VT_ARRAY 0x0040 /* array type (also has VT_PTR) */
963 #define VT_BITFIELD 0x0080 /* bitfield modifier */
964 #define VT_CONSTANT 0x0100 /* const modifier */
965 #define VT_VOLATILE 0x0200 /* volatile modifier */
966 #define VT_VLA 0x0400 /* VLA type (also has VT_PTR and VT_ARRAY) */
967 #define VT_LONG 0x0800 /* long type (also has VT_INT rsp. VT_LLONG) */
968
969 /* storage */
970 #define VT_EXTERN 0x00001000 /* extern definition */
971 #define VT_STATIC 0x00002000 /* static variable */
972 #define VT_TYPEDEF 0x00004000 /* typedef definition */
973 #define VT_INLINE 0x00008000 /* inline definition */
974 /* currently unused: 0x000[1248]0000 */
975
976 #define VT_STRUCT_SHIFT 20 /* shift for bitfield shift values (32 - 2*6) */
977 #define VT_STRUCT_MASK (((1U << (6+6)) - 1) << VT_STRUCT_SHIFT | VT_BITFIELD)
978 #define BIT_POS(t) (((t) >> VT_STRUCT_SHIFT) & 0x3f)
979 #define BIT_SIZE(t) (((t) >> (VT_STRUCT_SHIFT + 6)) & 0x3f)
980
981 #define VT_UNION (1 << VT_STRUCT_SHIFT | VT_STRUCT)
982 #define VT_ENUM (2 << VT_STRUCT_SHIFT) /* integral type is an enum really */
983 #define VT_ENUM_VAL (3 << VT_STRUCT_SHIFT) /* integral type is an enum constant really */
984
985 #define IS_ENUM(t) ((t & VT_STRUCT_MASK) == VT_ENUM)
986 #define IS_ENUM_VAL(t) ((t & VT_STRUCT_MASK) == VT_ENUM_VAL)
987 #define IS_UNION(t) ((t & (VT_STRUCT_MASK|VT_BTYPE)) == VT_UNION)
988
989 /* type mask (except storage) */
990 #define VT_STORAGE (VT_EXTERN | VT_STATIC | VT_TYPEDEF | VT_INLINE)
991 #define VT_TYPE (~(VT_STORAGE|VT_STRUCT_MASK))
992
993 /* symbol was created by tccasm.c first */
994 #define VT_ASM (VT_VOID | VT_UNSIGNED)
995 #define IS_ASM_SYM(sym) (((sym)->type.t & (VT_BTYPE | VT_ASM)) == VT_ASM)
996
997 /* general: set/get the pseudo-bitfield value for bit-mask M */
998 #define BFVAL(M,N) ((unsigned)((M) & ~((M) << 1)) * (N))
999 #define BFGET(X,M) (((X) & (M)) / BFVAL(M,1))
1000 #define BFSET(X,M,N) ((X) = ((X) & ~(M)) | BFVAL(M,N))
1001
1002 /* token values */
1003
1004 /* warning: the following compare tokens depend on i386 asm code */
1005 #define TOK_ULT 0x92
1006 #define TOK_UGE 0x93
1007 #define TOK_EQ 0x94
1008 #define TOK_NE 0x95
1009 #define TOK_ULE 0x96
1010 #define TOK_UGT 0x97
1011 #define TOK_Nset 0x98
1012 #define TOK_Nclear 0x99
1013 #define TOK_LT 0x9c
1014 #define TOK_GE 0x9d
1015 #define TOK_LE 0x9e
1016 #define TOK_GT 0x9f
1017
1018 #define TOK_LAND 0xa0
1019 #define TOK_LOR 0xa1
1020 #define TOK_DEC 0xa2
1021 #define TOK_MID 0xa3 /* inc/dec, to void constant */
1022 #define TOK_INC 0xa4
1023 #define TOK_UDIV 0xb0 /* unsigned division */
1024 #define TOK_UMOD 0xb1 /* unsigned modulo */
1025 #define TOK_PDIV 0xb2 /* fast division with undefined rounding for pointers */
1026
1027 /* tokens that carry values (in additional token string space / tokc) --> */
1028 #define TOK_CCHAR 0xb3 /* char constant in tokc */
1029 #define TOK_LCHAR 0xb4
1030 #define TOK_CINT 0xb5 /* number in tokc */
1031 #define TOK_CUINT 0xb6 /* unsigned int constant */
1032 #define TOK_CLLONG 0xb7 /* long long constant */
1033 #define TOK_CULLONG 0xb8 /* unsigned long long constant */
1034 #define TOK_STR 0xb9 /* pointer to string in tokc */
1035 #define TOK_LSTR 0xba
1036 #define TOK_CFLOAT 0xbb /* float constant */
1037 #define TOK_CDOUBLE 0xbc /* double constant */
1038 #define TOK_CLDOUBLE 0xbd /* long double constant */
1039 #define TOK_PPNUM 0xbe /* preprocessor number */
1040 #define TOK_PPSTR 0xbf /* preprocessor string */
1041 #define TOK_LINENUM 0xc0 /* line number info */
1042 #define TOK_TWODOTS 0xa8 /* C++ token ? */
1043 /* <-- */
1044
1045 #define TOK_UMULL 0xc2 /* unsigned 32x32 -> 64 mul */
1046 #define TOK_ADDC1 0xc3 /* add with carry generation */
1047 #define TOK_ADDC2 0xc4 /* add with carry use */
1048 #define TOK_SUBC1 0xc5 /* add with carry generation */
1049 #define TOK_SUBC2 0xc6 /* add with carry use */
1050 #define TOK_ARROW 0xc7
1051 #define TOK_DOTS 0xc8 /* three dots */
1052 #define TOK_SHR 0xc9 /* unsigned shift right */
1053 #define TOK_TWOSHARPS 0xca /* ## preprocessing token */
1054 #define TOK_PLCHLDR 0xcb /* placeholder token as defined in C99 */
1055 #define TOK_NOSUBST 0xcc /* means following token has already been pp'd */
1056 #define TOK_PPJOIN 0xcd /* A '##' in the right position to mean pasting */
1057 #define TOK_CLONG 0xce /* long constant */
1058 #define TOK_CULONG 0xcf /* unsigned long constant */
1059
1060 #define TOK_SHL 0x01 /* shift left */
1061 #define TOK_SAR 0x02 /* signed shift right */
1062
1063 /* assignment operators : normal operator or 0x80 */
1064 #define TOK_A_MOD 0xa5
1065 #define TOK_A_AND 0xa6
1066 #define TOK_A_MUL 0xaa
1067 #define TOK_A_ADD 0xab
1068 #define TOK_A_SUB 0xad
1069 #define TOK_A_DIV 0xaf
1070 #define TOK_A_XOR 0xde
1071 #define TOK_A_OR 0xfc
1072 #define TOK_A_SHL 0x81
1073 #define TOK_A_SAR 0x82
1074
1075 #define TOK_EOF (-1) /* end of file */
1076 #define TOK_LINEFEED 10 /* line feed */
1077
1078 /* all identifiers and strings have token above that */
1079 #define TOK_IDENT 256
1080
1081 #define DEF_ASM(x) DEF(TOK_ASM_ ## x, #x)
1082 #define TOK_ASM_int TOK_INT
1083 #define DEF_ASMDIR(x) DEF(TOK_ASMDIR_ ## x, "." #x)
1084 #define TOK_ASMDIR_FIRST TOK_ASMDIR_byte
1085 #define TOK_ASMDIR_LAST TOK_ASMDIR_section
1086
1087 #if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
1088 /* only used for i386 asm opcodes definitions */
1089 #define DEF_BWL(x) \
1090 DEF(TOK_ASM_ ## x ## b, #x "b") \
1091 DEF(TOK_ASM_ ## x ## w, #x "w") \
1092 DEF(TOK_ASM_ ## x ## l, #x "l") \
1093 DEF(TOK_ASM_ ## x, #x)
1094 #define DEF_WL(x) \
1095 DEF(TOK_ASM_ ## x ## w, #x "w") \
1096 DEF(TOK_ASM_ ## x ## l, #x "l") \
1097 DEF(TOK_ASM_ ## x, #x)
1098 #ifdef TCC_TARGET_X86_64
1099 # define DEF_BWLQ(x) \
1100 DEF(TOK_ASM_ ## x ## b, #x "b") \
1101 DEF(TOK_ASM_ ## x ## w, #x "w") \
1102 DEF(TOK_ASM_ ## x ## l, #x "l") \
1103 DEF(TOK_ASM_ ## x ## q, #x "q") \
1104 DEF(TOK_ASM_ ## x, #x)
1105 # define DEF_WLQ(x) \
1106 DEF(TOK_ASM_ ## x ## w, #x "w") \
1107 DEF(TOK_ASM_ ## x ## l, #x "l") \
1108 DEF(TOK_ASM_ ## x ## q, #x "q") \
1109 DEF(TOK_ASM_ ## x, #x)
1110 # define DEF_BWLX DEF_BWLQ
1111 # define DEF_WLX DEF_WLQ
1112 /* number of sizes + 1 */
1113 # define NBWLX 5
1114 #else
1115 # define DEF_BWLX DEF_BWL
1116 # define DEF_WLX DEF_WL
1117 /* number of sizes + 1 */
1118 # define NBWLX 4
1119 #endif
1120
1121 #define DEF_FP1(x) \
1122 DEF(TOK_ASM_ ## f ## x ## s, "f" #x "s") \
1123 DEF(TOK_ASM_ ## fi ## x ## l, "fi" #x "l") \
1124 DEF(TOK_ASM_ ## f ## x ## l, "f" #x "l") \
1125 DEF(TOK_ASM_ ## fi ## x ## s, "fi" #x "s")
1126
1127 #define DEF_FP(x) \
1128 DEF(TOK_ASM_ ## f ## x, "f" #x ) \
1129 DEF(TOK_ASM_ ## f ## x ## p, "f" #x "p") \
1130 DEF_FP1(x)
1131
1132 #define DEF_ASMTEST(x,suffix) \
1133 DEF_ASM(x ## o ## suffix) \
1134 DEF_ASM(x ## no ## suffix) \
1135 DEF_ASM(x ## b ## suffix) \
1136 DEF_ASM(x ## c ## suffix) \
1137 DEF_ASM(x ## nae ## suffix) \
1138 DEF_ASM(x ## nb ## suffix) \
1139 DEF_ASM(x ## nc ## suffix) \
1140 DEF_ASM(x ## ae ## suffix) \
1141 DEF_ASM(x ## e ## suffix) \
1142 DEF_ASM(x ## z ## suffix) \
1143 DEF_ASM(x ## ne ## suffix) \
1144 DEF_ASM(x ## nz ## suffix) \
1145 DEF_ASM(x ## be ## suffix) \
1146 DEF_ASM(x ## na ## suffix) \
1147 DEF_ASM(x ## nbe ## suffix) \
1148 DEF_ASM(x ## a ## suffix) \
1149 DEF_ASM(x ## s ## suffix) \
1150 DEF_ASM(x ## ns ## suffix) \
1151 DEF_ASM(x ## p ## suffix) \
1152 DEF_ASM(x ## pe ## suffix) \
1153 DEF_ASM(x ## np ## suffix) \
1154 DEF_ASM(x ## po ## suffix) \
1155 DEF_ASM(x ## l ## suffix) \
1156 DEF_ASM(x ## nge ## suffix) \
1157 DEF_ASM(x ## nl ## suffix) \
1158 DEF_ASM(x ## ge ## suffix) \
1159 DEF_ASM(x ## le ## suffix) \
1160 DEF_ASM(x ## ng ## suffix) \
1161 DEF_ASM(x ## nle ## suffix) \
1162 DEF_ASM(x ## g ## suffix)
1163
1164 #endif /* defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64 */
1165
1166 enum tcc_token {
1167 TOK_LAST = TOK_IDENT - 1
1168 #define DEF(id, str) ,id
1169 #include "tcctok.h"
1170 #undef DEF
1171 };
1172
1173 /* keywords: tok >= TOK_IDENT && tok < TOK_UIDENT */
1174 #define TOK_UIDENT TOK_DEFINE
1175
1176 /* ------------ libtcc.c ------------ */
1177
1178 ST_DATA struct TCCState *tcc_state;
1179
1180 /* public functions currently used by the tcc main function */
1181 ST_FUNC char *pstrcpy(char *buf, size_t buf_size, const char *s);
1182 ST_FUNC char *pstrcat(char *buf, size_t buf_size, const char *s);
1183 ST_FUNC char *pstrncpy(char *out, const char *in, size_t num);
1184 PUB_FUNC char *tcc_basename(const char *name);
1185 PUB_FUNC char *tcc_fileextension (const char *name);
1186
1187 #ifndef MEM_DEBUG
1188 PUB_FUNC void tcc_free(void *ptr);
1189 PUB_FUNC void *tcc_malloc(unsigned long size);
1190 PUB_FUNC void *tcc_mallocz(unsigned long size);
1191 PUB_FUNC void *tcc_realloc(void *ptr, unsigned long size);
1192 PUB_FUNC char *tcc_strdup(const char *str);
1193 #else
1194 #define tcc_free(ptr) tcc_free_debug(ptr)
1195 #define tcc_malloc(size) tcc_malloc_debug(size, __FILE__, __LINE__)
1196 #define tcc_mallocz(size) tcc_mallocz_debug(size, __FILE__, __LINE__)
1197 #define tcc_realloc(ptr,size) tcc_realloc_debug(ptr, size, __FILE__, __LINE__)
1198 #define tcc_strdup(str) tcc_strdup_debug(str, __FILE__, __LINE__)
1199 PUB_FUNC void tcc_free_debug(void *ptr);
1200 PUB_FUNC void *tcc_malloc_debug(unsigned long size, const char *file, int line);
1201 PUB_FUNC void *tcc_mallocz_debug(unsigned long size, const char *file, int line);
1202 PUB_FUNC void *tcc_realloc_debug(void *ptr, unsigned long size, const char *file, int line);
1203 PUB_FUNC char *tcc_strdup_debug(const char *str, const char *file, int line);
1204 #endif
1205
1206 #define free(p) use_tcc_free(p)
1207 #define malloc(s) use_tcc_malloc(s)
1208 #define realloc(p, s) use_tcc_realloc(p, s)
1209 #undef strdup
1210 #define strdup(s) use_tcc_strdup(s)
1211 PUB_FUNC void _tcc_error_noabort(const char *fmt, ...) PRINTF_LIKE(1,2);
1212 PUB_FUNC NORETURN void _tcc_error(const char *fmt, ...) PRINTF_LIKE(1,2);
1213 PUB_FUNC void _tcc_warning(const char *fmt, ...) PRINTF_LIKE(1,2);
1214
1215 /* other utilities */
1216 ST_FUNC void dynarray_add(void *ptab, int *nb_ptr, void *data);
1217 ST_FUNC void dynarray_reset(void *pp, int *n);
1218 ST_INLN void cstr_ccat(CString *cstr, int ch);
1219 ST_FUNC void cstr_cat(CString *cstr, const char *str, int len);
1220 ST_FUNC void cstr_wccat(CString *cstr, int ch);
1221 ST_FUNC void cstr_new(CString *cstr);
1222 ST_FUNC void cstr_free(CString *cstr);
1223 ST_FUNC int cstr_printf(CString *cs, const char *fmt, ...) PRINTF_LIKE(2,3);
1224 ST_FUNC void cstr_reset(CString *cstr);
1225
1226 ST_INLN void sym_free(Sym *sym);
1227 ST_FUNC Sym *sym_push2(Sym **ps, int v, int t, int c);
1228 ST_FUNC Sym *sym_find2(Sym *s, int v);
1229 ST_FUNC Sym *sym_push(int v, CType *type, int r, int c);
1230 ST_FUNC void sym_pop(Sym **ptop, Sym *b, int keep);
1231 ST_INLN Sym *struct_find(int v);
1232 ST_INLN Sym *sym_find(int v);
1233 ST_FUNC Sym *global_identifier_push(int v, int t, int c);
1234
1235 ST_FUNC void tcc_open_bf(TCCState *s1, const char *filename, int initlen);
1236 ST_FUNC int tcc_open(TCCState *s1, const char *filename);
1237 ST_FUNC void tcc_close(void);
1238
1239 ST_FUNC int tcc_add_file_internal(TCCState *s1, const char *filename, int flags);
1240 /* flags: */
1241 #define AFF_PRINT_ERROR 0x10 /* print error if file not found */
1242 #define AFF_REFERENCED_DLL 0x20 /* load a referenced dll from another dll */
1243 #define AFF_TYPE_BIN 0x40 /* file to add is binary */
1244 #define AFF_WHOLE_ARCHIVE 0x80 /* load all objects from archive */
1245 /* s->filetype: */
1246 #define AFF_TYPE_NONE 0
1247 #define AFF_TYPE_C 1
1248 #define AFF_TYPE_ASM 2
1249 #define AFF_TYPE_ASMPP 4
1250 #define AFF_TYPE_LIB 8
1251 #define AFF_TYPE_MASK (15 | AFF_TYPE_BIN)
1252 /* values from tcc_object_type(...) */
1253 #define AFF_BINTYPE_REL 1
1254 #define AFF_BINTYPE_DYN 2
1255 #define AFF_BINTYPE_AR 3
1256 #define AFF_BINTYPE_C67 4
1257
1258
1259 #ifndef TCC_TARGET_PE
1260 ST_FUNC int tcc_add_crt(TCCState *s, const char *filename);
1261 #endif
1262 ST_FUNC int tcc_add_dll(TCCState *s, const char *filename, int flags);
1263 #ifdef CONFIG_TCC_BCHECK
1264 ST_FUNC void tcc_add_bcheck(TCCState *s1);
1265 #endif
1266 #ifdef CONFIG_TCC_BACKTRACE
1267 ST_FUNC void tcc_add_btstub(TCCState *s1);
1268 #endif
1269 ST_FUNC void tcc_add_pragma_libs(TCCState *s1);
1270 PUB_FUNC int tcc_add_library_err(TCCState *s, const char *f);
1271 PUB_FUNC void tcc_print_stats(TCCState *s, unsigned total_time);
1272 PUB_FUNC int tcc_parse_args(TCCState *s, int *argc, char ***argv, int optind);
1273 #ifdef _WIN32
1274 ST_FUNC char *normalize_slashes(char *path);
1275 #endif
1276
1277 /* tcc_parse_args return codes: */
1278 #define OPT_HELP 1
1279 #define OPT_HELP2 2
1280 #define OPT_V 3
1281 #define OPT_PRINT_DIRS 4
1282 #define OPT_AR 5
1283 #define OPT_IMPDEF 6
1284 #define OPT_VERBOSE_HELP 7
1285 #define OPT_M32 32
1286 #define OPT_M64 64
1287
1288 /* ------------ tccpp.c ------------ */
1289
1290 ST_DATA struct BufferedFile *file;
1291 ST_DATA int ch, tok;
1292 ST_DATA CValue tokc;
1293 ST_DATA const int *macro_ptr;
1294 ST_DATA int parse_flags;
1295 ST_DATA int tok_flags;
1296 ST_DATA CString tokcstr; /* current parsed string, if any */
1297
1298 /* display benchmark infos */
1299 ST_DATA int tok_ident;
1300 ST_DATA TokenSym **table_ident;
1301
1302 #define TOK_FLAG_BOL 0x0001 /* beginning of line before */
1303 #define TOK_FLAG_BOF 0x0002 /* beginning of file before */
1304 #define TOK_FLAG_ENDIF 0x0004 /* a endif was found matching starting #ifdef */
1305 #define TOK_FLAG_EOF 0x0008 /* end of file */
1306
1307 #define PARSE_FLAG_PREPROCESS 0x0001 /* activate preprocessing */
1308 #define PARSE_FLAG_TOK_NUM 0x0002 /* return numbers instead of TOK_PPNUM */
1309 #define PARSE_FLAG_LINEFEED 0x0004 /* line feed is returned as a
1310 token. line feed is also
1311 returned at eof */
1312 #define PARSE_FLAG_ASM_FILE 0x0008 /* we processing an asm file: '#' can be used for line comment, etc. */
1313 #define PARSE_FLAG_SPACES 0x0010 /* next() returns space tokens (for -E) */
1314 #define PARSE_FLAG_ACCEPT_STRAYS 0x0020 /* next() returns '\\' token */
1315 #define PARSE_FLAG_TOK_STR 0x0040 /* return parsed strings instead of TOK_PPSTR */
1316
1317 /* isidnum_table flags: */
1318 #define IS_SPC 1
1319 #define IS_ID 2
1320 #define IS_NUM 4
1321
1322 ST_FUNC TokenSym *tok_alloc(const char *str, int len);
1323 ST_FUNC const char *get_tok_str(int v, CValue *cv);
1324 ST_FUNC void begin_macro(TokenString *str, int alloc);
1325 ST_FUNC void end_macro(void);
1326 ST_FUNC int set_idnum(int c, int val);
1327 ST_INLN void tok_str_new(TokenString *s);
1328 ST_FUNC TokenString *tok_str_alloc(void);
1329 ST_FUNC void tok_str_free(TokenString *s);
1330 ST_FUNC void tok_str_free_str(int *str);
1331 ST_FUNC void tok_str_add(TokenString *s, int t);
1332 ST_FUNC void tok_str_add_tok(TokenString *s);
1333 ST_INLN void define_push(int v, int macro_type, int *str, Sym *first_arg);
1334 ST_FUNC void define_undef(Sym *s);
1335 ST_INLN Sym *define_find(int v);
1336 ST_FUNC void free_defines(Sym *b);
1337 ST_FUNC Sym *label_find(int v);
1338 ST_FUNC Sym *label_push(Sym **ptop, int v, int flags);
1339 ST_FUNC void label_pop(Sym **ptop, Sym *slast, int keep);
1340 ST_FUNC void parse_define(void);
1341 ST_FUNC void preprocess(int is_bof);
1342 ST_FUNC void next_nomacro(void);
1343 ST_FUNC void next(void);
1344 ST_INLN void unget_tok(int last_tok);
1345 ST_FUNC void preprocess_start(TCCState *s1, int is_asm);
1346 ST_FUNC void preprocess_end(TCCState *s1);
1347 ST_FUNC void tccpp_new(TCCState *s);
1348 ST_FUNC void tccpp_delete(TCCState *s);
1349 ST_FUNC int tcc_preprocess(TCCState *s1);
1350 ST_FUNC void skip(int c);
1351 ST_FUNC NORETURN void expect(const char *msg);
1352
1353 /* space excluding newline */
1354 static inline int is_space(int ch) {
1355 return ch == ' ' || ch == '\t' || ch == '\v' || ch == '\f' || ch == '\r';
1356 }
1357 static inline int isid(int c) {
1358 return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || c == '_';
1359 }
1360 static inline int isnum(int c) {
1361 return c >= '0' && c <= '9';
1362 }
1363 static inline int isoct(int c) {
1364 return c >= '0' && c <= '7';
1365 }
1366 static inline int toup(int c) {
1367 return (c >= 'a' && c <= 'z') ? c - 'a' + 'A' : c;
1368 }
1369
1370 /* ------------ tccgen.c ------------ */
1371
1372 #define SYM_POOL_NB (8192 / sizeof(Sym))
1373
1374 ST_DATA Sym *global_stack;
1375 ST_DATA Sym *local_stack;
1376 ST_DATA Sym *local_label_stack;
1377 ST_DATA Sym *global_label_stack;
1378 ST_DATA Sym *define_stack;
1379 ST_DATA CType int_type, func_old_type, char_pointer_type;
1380 ST_DATA SValue *vtop;
1381 ST_DATA int rsym, anon_sym, ind, loc;
1382
1383 ST_DATA int const_wanted; /* true if constant wanted */
1384 ST_DATA int nocode_wanted; /* true if no code generation wanted for an expression */
1385 ST_DATA int global_expr; /* true if compound literals must be allocated globally (used during initializers parsing */
1386 ST_DATA CType func_vt; /* current function return type (used by return instruction) */
1387 ST_DATA int func_var; /* true if current function is variadic */
1388 ST_DATA int func_vc;
1389 ST_DATA const char *funcname;
1390
1391 ST_FUNC void tcc_debug_start(TCCState *s1);
1392 ST_FUNC void tcc_debug_end(TCCState *s1);
1393 ST_FUNC void tcc_debug_bincl(TCCState *s1);
1394 ST_FUNC void tcc_debug_eincl(TCCState *s1);
1395 ST_FUNC void tcc_debug_putfile(TCCState *s1, const char *filename);
1396 ST_FUNC void tcc_debug_funcstart(TCCState *s1, Sym *sym);
1397 ST_FUNC void tcc_debug_funcend(TCCState *s1, int size);
1398 ST_FUNC void tcc_debug_line(TCCState *s1);
1399
1400 ST_FUNC void tccgen_init(TCCState *s1);
1401 ST_FUNC int tccgen_compile(TCCState *s1);
1402 ST_FUNC void tccgen_finish(TCCState *s1);
1403 ST_FUNC void check_vstack(void);
1404
1405 ST_INLN int is_float(int t);
1406 ST_FUNC int ieee_finite(double d);
1407 ST_FUNC void test_lvalue(void);
1408 ST_FUNC void vpushi(int v);
1409 ST_FUNC ElfSym *elfsym(Sym *);
1410 ST_FUNC void update_storage(Sym *sym);
1411 ST_FUNC Sym *external_global_sym(int v, CType *type);
1412 ST_FUNC void vset(CType *type, int r, int v);
1413 ST_FUNC void vset_VT_CMP(int op);
1414 ST_FUNC void vswap(void);
1415 ST_FUNC void vpush_global_sym(CType *type, int v);
1416 ST_FUNC void vrote(SValue *e, int n);
1417 ST_FUNC void vrott(int n);
1418 ST_FUNC void vrotb(int n);
1419 #if PTR_SIZE == 4
1420 ST_FUNC void lexpand(void);
1421 #endif
1422 #ifdef TCC_TARGET_ARM
1423 ST_FUNC int get_reg_ex(int rc, int rc2);
1424 #endif
1425 ST_FUNC void vpushv(SValue *v);
1426 ST_FUNC void save_reg(int r);
1427 ST_FUNC void save_reg_upstack(int r, int n);
1428 ST_FUNC int get_reg(int rc);
1429 ST_FUNC void save_regs(int n);
1430 ST_FUNC void gaddrof(void);
1431 ST_FUNC int gv(int rc);
1432 ST_FUNC void gv2(int rc1, int rc2);
1433 ST_FUNC void vpop(void);
1434 ST_FUNC void gen_op(int op);
1435 ST_FUNC int type_size(CType *type, int *a);
1436 ST_FUNC void mk_pointer(CType *type);
1437 ST_FUNC void vstore(void);
1438 ST_FUNC void inc(int post, int c);
1439 ST_FUNC void parse_mult_str (CString *astr, const char *msg);
1440 ST_FUNC void parse_asm_str(CString *astr);
1441 ST_FUNC void indir(void);
1442 ST_FUNC void unary(void);
1443 ST_FUNC void gexpr(void);
1444 ST_FUNC int expr_const(void);
1445 #if defined CONFIG_TCC_BCHECK || defined TCC_TARGET_C67
1446 ST_FUNC Sym *get_sym_ref(CType *type, Section *sec, unsigned long offset, unsigned long size);
1447 #endif
1448 #if defined TCC_TARGET_X86_64 && !defined TCC_TARGET_PE
1449 ST_FUNC int classify_x86_64_va_arg(CType *ty);
1450 #endif
1451 #ifdef CONFIG_TCC_BCHECK
1452 ST_FUNC void gbound_args(int nb_args);
1453 #endif
1454
1455 /* ------------ tccelf.c ------------ */
1456
1457 #define TCC_OUTPUT_FORMAT_ELF 0 /* default output format: ELF */
1458 #define TCC_OUTPUT_FORMAT_BINARY 1 /* binary image output */
1459 #define TCC_OUTPUT_FORMAT_COFF 2 /* COFF */
1460
1461 #define ARMAG "!<arch>\012" /* For COFF and a.out archives */
1462
1463 typedef struct {
1464 unsigned int n_strx; /* index into string table of name */
1465 unsigned char n_type; /* type of symbol */
1466 unsigned char n_other; /* misc info (usually empty) */
1467 unsigned short n_desc; /* description field */
1468 unsigned int n_value; /* value of symbol */
1469 } Stab_Sym;
1470
1471 ST_FUNC void tccelf_new(TCCState *s);
1472 ST_FUNC void tccelf_delete(TCCState *s);
1473 ST_FUNC void tccelf_stab_new(TCCState *s);
1474 ST_FUNC void tccelf_begin_file(TCCState *s1);
1475 ST_FUNC void tccelf_end_file(TCCState *s1);
1476 #ifdef CONFIG_TCC_BCHECK
1477 ST_FUNC void tccelf_bounds_new(TCCState *s);
1478 #endif
1479 ST_FUNC Section *new_section(TCCState *s1, const char *name, int sh_type, int sh_flags);
1480 ST_FUNC void section_realloc(Section *sec, unsigned long new_size);
1481 ST_FUNC size_t section_add(Section *sec, addr_t size, int align);
1482 ST_FUNC void *section_ptr_add(Section *sec, addr_t size);
1483 ST_FUNC void section_reserve(Section *sec, unsigned long size);
1484 ST_FUNC Section *find_section(TCCState *s1, const char *name);
1485 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);
1486
1487 ST_FUNC void put_extern_sym2(Sym *sym, int sh_num, addr_t value, unsigned long size, int can_add_underscore);
1488 ST_FUNC void put_extern_sym(Sym *sym, Section *section, addr_t value, unsigned long size);
1489 #if PTR_SIZE == 4
1490 ST_FUNC void greloc(Section *s, Sym *sym, unsigned long offset, int type);
1491 #endif
1492 ST_FUNC void greloca(Section *s, Sym *sym, unsigned long offset, int type, addr_t addend);
1493
1494 ST_FUNC int put_elf_str(Section *s, const char *sym);
1495 ST_FUNC int put_elf_sym(Section *s, addr_t value, unsigned long size, int info, int other, int shndx, const char *name);
1496 ST_FUNC int set_elf_sym(Section *s, addr_t value, unsigned long size, int info, int other, int shndx, const char *name);
1497 ST_FUNC int find_elf_sym(Section *s, const char *name);
1498 ST_FUNC void put_elf_reloc(Section *symtab, Section *s, unsigned long offset, int type, int symbol);
1499 ST_FUNC void put_elf_reloca(Section *symtab, Section *s, unsigned long offset, int type, int symbol, addr_t addend);
1500
1501 ST_FUNC void put_stabs(TCCState *s1, const char *str, int type, int other, int desc, unsigned long value);
1502 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);
1503 ST_FUNC void put_stabn(TCCState *s1, int type, int other, int desc, int value);
1504
1505 ST_FUNC void resolve_common_syms(TCCState *s1);
1506 ST_FUNC void relocate_syms(TCCState *s1, Section *symtab, int do_resolve);
1507 ST_FUNC void relocate_section(TCCState *s1, Section *s);
1508
1509 ST_FUNC int tcc_object_type(int fd, ElfW(Ehdr) *h);
1510 ST_FUNC int tcc_load_object_file(TCCState *s1, int fd, unsigned long file_offset);
1511 ST_FUNC int tcc_load_archive(TCCState *s1, int fd, int alacarte);
1512 ST_FUNC void add_array(TCCState *s1, const char *sec, int c);
1513
1514 #ifndef ELF_OBJ_ONLY
1515 ST_FUNC void build_got_entries(TCCState *s1);
1516 #endif
1517 ST_FUNC struct sym_attr *get_sym_attr(TCCState *s1, int index, int alloc);
1518 ST_FUNC void squeeze_multi_relocs(Section *sec, size_t oldrelocoffset);
1519
1520 ST_FUNC addr_t get_elf_sym_addr(TCCState *s, const char *name, int err);
1521 ST_FUNC void list_elf_symbols(TCCState *s, void *ctx,
1522 void (*symbol_cb)(void *ctx, const char *name, const void *val));
1523 #if defined TCC_IS_NATIVE || defined TCC_TARGET_PE
1524 ST_FUNC void *tcc_get_symbol_err(TCCState *s, const char *name);
1525 #endif
1526
1527 ST_FUNC int set_global_sym(TCCState *s1, const char *name, Section *sec, long offs);
1528
1529 #ifndef TCC_TARGET_PE
1530 ST_FUNC int tcc_load_dll(TCCState *s1, int fd, const char *filename, int level);
1531 ST_FUNC int tcc_load_ldscript(TCCState *s1, int fd);
1532 ST_FUNC void tcc_add_runtime(TCCState *s1);
1533 #endif
1534
1535 /* ------------ xxx-link.c ------------ */
1536
1537 /* Whether to generate a GOT/PLT entry and when. NO_GOTPLT_ENTRY is first so
1538 that unknown relocation don't create a GOT or PLT entry */
1539 enum gotplt_entry {
1540 NO_GOTPLT_ENTRY, /* never generate (eg. GLOB_DAT & JMP_SLOT relocs) */
1541 BUILD_GOT_ONLY, /* only build GOT (eg. TPOFF relocs) */
1542 AUTO_GOTPLT_ENTRY, /* generate if sym is UNDEF */
1543 ALWAYS_GOTPLT_ENTRY /* always generate (eg. PLTOFF relocs) */
1544 };
1545
1546 #ifndef ELF_OBJ_ONLY
1547 ST_FUNC int code_reloc (int reloc_type);
1548 ST_FUNC int gotplt_entry_type (int reloc_type);
1549 ST_FUNC unsigned create_plt_entry(TCCState *s1, unsigned got_offset, struct sym_attr *attr);
1550 ST_FUNC void relocate_plt(TCCState *s1);
1551 #endif
1552 ST_FUNC void relocate(TCCState *s1, ElfW_Rel *rel, int type, unsigned char *ptr, addr_t addr, addr_t val);
1553
1554 /* ------------ xxx-gen.c ------------ */
1555
1556 ST_DATA const int reg_classes[NB_REGS];
1557
1558 ST_FUNC void gsym_addr(int t, int a);
1559 ST_FUNC void gsym(int t);
1560 ST_FUNC void load(int r, SValue *sv);
1561 ST_FUNC void store(int r, SValue *v);
1562 ST_FUNC int gfunc_sret(CType *vt, int variadic, CType *ret, int *align, int *regsize);
1563 ST_FUNC void gfunc_call(int nb_args);
1564 ST_FUNC void gfunc_prolog(Sym *func_sym);
1565 ST_FUNC void gfunc_epilog(void);
1566 ST_FUNC void gen_fill_nops(int);
1567 ST_FUNC int gjmp(int t);
1568 ST_FUNC void gjmp_addr(int a);
1569 ST_FUNC int gjmp_cond(int op, int t);
1570 ST_FUNC int gjmp_append(int n, int t);
1571 ST_FUNC void gen_opi(int op);
1572 ST_FUNC void gen_opf(int op);
1573 ST_FUNC void gen_cvt_ftoi(int t);
1574 ST_FUNC void gen_cvt_itof(int t);
1575 ST_FUNC void gen_cvt_ftof(int t);
1576 ST_FUNC void ggoto(void);
1577 #ifndef TCC_TARGET_C67
1578 ST_FUNC void o(unsigned int c);
1579 #endif
1580 ST_FUNC void gen_vla_sp_save(int addr);
1581 ST_FUNC void gen_vla_sp_restore(int addr);
1582 ST_FUNC void gen_vla_alloc(CType *type, int align);
1583
1584 static inline uint16_t read16le(unsigned char *p) {
1585 return p[0] | (uint16_t)p[1] << 8;
1586 }
1587 static inline void write16le(unsigned char *p, uint16_t x) {
1588 p[0] = x & 255; p[1] = x >> 8 & 255;
1589 }
1590 static inline uint32_t read32le(unsigned char *p) {
1591 return read16le(p) | (uint32_t)read16le(p + 2) << 16;
1592 }
1593 static inline void write32le(unsigned char *p, uint32_t x) {
1594 write16le(p, x); write16le(p + 2, x >> 16);
1595 }
1596 static inline void add32le(unsigned char *p, int32_t x) {
1597 write32le(p, read32le(p) + x);
1598 }
1599 static inline uint64_t read64le(unsigned char *p) {
1600 return read32le(p) | (uint64_t)read32le(p + 4) << 32;
1601 }
1602 static inline void write64le(unsigned char *p, uint64_t x) {
1603 write32le(p, x); write32le(p + 4, x >> 32);
1604 }
1605 static inline void add64le(unsigned char *p, int64_t x) {
1606 write64le(p, read64le(p) + x);
1607 }
1608
1609 /* ------------ i386-gen.c ------------ */
1610 #if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
1611 ST_FUNC void g(int c);
1612 ST_FUNC void gen_le16(int c);
1613 ST_FUNC void gen_le32(int c);
1614 ST_FUNC void gen_addr32(int r, Sym *sym, int c);
1615 ST_FUNC void gen_addrpc32(int r, Sym *sym, int c);
1616 ST_FUNC void gen_cvt_csti(int t);
1617 #endif
1618
1619 #ifdef CONFIG_TCC_BCHECK
1620 ST_FUNC void gen_bounded_ptr_add(void);
1621 ST_FUNC void gen_bounded_ptr_deref(void);
1622 #endif
1623
1624 /* ------------ x86_64-gen.c ------------ */
1625 #ifdef TCC_TARGET_X86_64
1626 ST_FUNC void gen_addr64(int r, Sym *sym, int64_t c);
1627 ST_FUNC void gen_opl(int op);
1628 #ifdef TCC_TARGET_PE
1629 ST_FUNC void gen_vla_result(int addr);
1630 #endif
1631 ST_FUNC void gen_cvt_sxtw(void);
1632 ST_FUNC void gen_cvt_csti(int t);
1633 #endif
1634
1635 /* ------------ arm-gen.c ------------ */
1636 #ifdef TCC_TARGET_ARM
1637 #if defined(TCC_ARM_EABI) && !defined(CONFIG_TCC_ELFINTERP)
1638 PUB_FUNC const char *default_elfinterp(struct TCCState *s);
1639 #endif
1640 ST_FUNC void arm_init(struct TCCState *s);
1641 #endif
1642
1643 /* ------------ arm64-gen.c ------------ */
1644 #ifdef TCC_TARGET_ARM64
1645 ST_FUNC void gen_opl(int op);
1646 ST_FUNC void gfunc_return(CType *func_type);
1647 ST_FUNC void gen_va_start(void);
1648 ST_FUNC void gen_va_arg(CType *t);
1649 ST_FUNC void gen_clear_cache(void);
1650 ST_FUNC void gen_cvt_sxtw(void);
1651 ST_FUNC void gen_cvt_csti(int t);
1652 #endif
1653
1654 /* ------------ riscv64-gen.c ------------ */
1655 #ifdef TCC_TARGET_RISCV64
1656 ST_FUNC void gen_opl(int op);
1657 //ST_FUNC void gfunc_return(CType *func_type);
1658 ST_FUNC void gen_va_start(void);
1659 ST_FUNC void arch_transfer_ret_regs(int);
1660 ST_FUNC void gen_cvt_sxtw(void);
1661 #endif
1662
1663 /* ------------ c67-gen.c ------------ */
1664 #ifdef TCC_TARGET_C67
1665 #endif
1666
1667 /* ------------ tcccoff.c ------------ */
1668
1669 #ifdef TCC_TARGET_COFF
1670 ST_FUNC int tcc_output_coff(TCCState *s1, FILE *f);
1671 ST_FUNC int tcc_load_coff(TCCState * s1, int fd);
1672 #endif
1673
1674 /* ------------ tccasm.c ------------ */
1675 ST_FUNC void asm_instr(void);
1676 ST_FUNC void asm_global_instr(void);
1677 #ifdef CONFIG_TCC_ASM
1678 ST_FUNC int find_constraint(ASMOperand *operands, int nb_operands, const char *name, const char **pp);
1679 ST_FUNC Sym* get_asm_sym(int name, Sym *csym);
1680 ST_FUNC void asm_expr(TCCState *s1, ExprValue *pe);
1681 ST_FUNC int asm_int_expr(TCCState *s1);
1682 ST_FUNC int tcc_assemble(TCCState *s1, int do_preprocess);
1683 /* ------------ i386-asm.c ------------ */
1684 ST_FUNC void gen_expr32(ExprValue *pe);
1685 #ifdef TCC_TARGET_X86_64
1686 ST_FUNC void gen_expr64(ExprValue *pe);
1687 #endif
1688 ST_FUNC void asm_opcode(TCCState *s1, int opcode);
1689 ST_FUNC int asm_parse_regvar(int t);
1690 ST_FUNC void asm_compute_constraints(ASMOperand *operands, int nb_operands, int nb_outputs, const uint8_t *clobber_regs, int *pout_reg);
1691 ST_FUNC void subst_asm_operand(CString *add_str, SValue *sv, int modifier);
1692 ST_FUNC void asm_gen_code(ASMOperand *operands, int nb_operands, int nb_outputs, int is_output, uint8_t *clobber_regs, int out_reg);
1693 ST_FUNC void asm_clobber(uint8_t *clobber_regs, const char *str);
1694 #endif
1695
1696 /* ------------ tccpe.c -------------- */
1697 #ifdef TCC_TARGET_PE
1698 ST_FUNC int pe_load_file(struct TCCState *s1, const char *filename, int fd);
1699 ST_FUNC int pe_output_file(TCCState * s1, const char *filename);
1700 ST_FUNC int pe_putimport(TCCState *s1, int dllindex, const char *name, addr_t value);
1701 #if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
1702 ST_FUNC SValue *pe_getimport(SValue *sv, SValue *v2);
1703 #endif
1704 #ifdef TCC_TARGET_X86_64
1705 ST_FUNC void pe_add_unwind_data(unsigned start, unsigned end, unsigned stack);
1706 #endif
1707 PUB_FUNC int tcc_get_dllexports(const char *filename, char **pp);
1708 /* symbol properties stored in Elf32_Sym->st_other */
1709 # define ST_PE_EXPORT 0x10
1710 # define ST_PE_IMPORT 0x20
1711 # define ST_PE_STDCALL 0x40
1712 #endif
1713 #define ST_ASM_SET 0x04
1714
1715 /* ------------ tccrun.c ----------------- */
1716 #ifdef TCC_IS_NATIVE
1717 #ifdef CONFIG_TCC_STATIC
1718 #define RTLD_LAZY 0x001
1719 #define RTLD_NOW 0x002
1720 #define RTLD_GLOBAL 0x100
1721 #define RTLD_DEFAULT NULL
1722 /* dummy function for profiling */
1723 ST_FUNC void *dlopen(const char *filename, int flag);
1724 ST_FUNC void dlclose(void *p);
1725 ST_FUNC const char *dlerror(void);
1726 ST_FUNC void *dlsym(void *handle, const char *symbol);
1727 #endif
1728 ST_FUNC void tcc_run_free(TCCState *s1);
1729 #endif
1730
1731 /* ------------ tcctools.c ----------------- */
1732 #if 0 /* included in tcc.c */
1733 ST_FUNC int tcc_tool_ar(TCCState *s, int argc, char **argv);
1734 #ifdef TCC_TARGET_PE
1735 ST_FUNC int tcc_tool_impdef(TCCState *s, int argc, char **argv);
1736 #endif
1737 ST_FUNC void tcc_tool_cross(TCCState *s, char **argv, int option);
1738 ST_FUNC void gen_makedeps(TCCState *s, const char *target, const char *filename);
1739 #endif
1740
1741 /********************************************************/
1742 #undef ST_DATA
1743 #if ONE_SOURCE
1744 #define ST_DATA static
1745 #else
1746 #define ST_DATA
1747 #endif
1748 /********************************************************/
1749
1750 #define text_section TCC_STATE_VAR(text_section)
1751 #define data_section TCC_STATE_VAR(data_section)
1752 #define bss_section TCC_STATE_VAR(bss_section)
1753 #define common_section TCC_STATE_VAR(common_section)
1754 #define cur_text_section TCC_STATE_VAR(cur_text_section)
1755 #define bounds_section TCC_STATE_VAR(bounds_section)
1756 #define lbounds_section TCC_STATE_VAR(lbounds_section)
1757 #define symtab_section TCC_STATE_VAR(symtab_section)
1758 #define stab_section TCC_STATE_VAR(stab_section)
1759 #define stabstr_section stab_section->link
1760 #define gnu_ext TCC_STATE_VAR(gnu_ext)
1761 #define tcc_error_noabort TCC_SET_STATE(_tcc_error_noabort)
1762 #define tcc_error TCC_SET_STATE(_tcc_error)
1763 #define tcc_warning TCC_SET_STATE(_tcc_warning)
1764
1765 #define total_idents TCC_STATE_VAR(total_idents)
1766 #define total_lines TCC_STATE_VAR(total_lines)
1767 #define total_bytes TCC_STATE_VAR(total_bytes)
1768
1769 PUB_FUNC void tcc_enter_state(TCCState *s1);
1770
1771 /********************************************************/
1772 #endif /* _TCC_H */
1773
1774 #undef TCC_STATE_VAR
1775 #undef TCC_SET_STATE
1776
1777 #ifdef USING_GLOBALS
1778 # define TCC_STATE_VAR(sym) tcc_state->sym
1779 # define TCC_SET_STATE(fn) fn
1780 # undef USING_GLOBALS
1781 #else
1782 # define TCC_STATE_VAR(sym) s1->sym
1783 # define TCC_SET_STATE(fn) (tcc_enter_state(s1),fn)
1784 /* actually we could avoid the tcc_enter_state(s1) hack by using
1785 __VA_ARGS__ except that some compiler doesn't support it. */
1786 #endif
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