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riscv: Handle some usual relocs
[tinycc.git] / tcc.h
blob4646b233df499a76c962d1baf30b0ca8cf7f4824
1 /*
2 * TCC - Tiny C Compiler
3 *
4 * Copyright (c) 2001-2004 Fabrice Bellard
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20
21 #ifndef _TCC_H
22 #define _TCC_H
23
24 #define _GNU_SOURCE
25 #include "config.h"
26
27 #include <stdlib.h>
28 #include <stdio.h>
29 #include <stdarg.h>
30 #include <string.h>
31 #include <errno.h>
32 #include <math.h>
33 #include <fcntl.h>
34 #include <setjmp.h>
35 #include <time.h>
36
37 #ifndef _WIN32
38 # include <unistd.h>
39 # include <sys/time.h>
40 # ifndef CONFIG_TCC_STATIC
41 # include <dlfcn.h>
42 # endif
43 /* XXX: need to define this to use them in non ISOC99 context */
44 extern float strtof (const char *__nptr, char **__endptr);
45 extern long double strtold (const char *__nptr, char **__endptr);
46 #endif
47
48 #ifdef _WIN32
49 # include <windows.h>
50 # include <io.h> /* open, close etc. */
51 # include <direct.h> /* getcwd */
52 # ifdef __GNUC__
53 # include <stdint.h>
54 # endif
55 # define inline __inline
56 # define snprintf _snprintf
57 # define vsnprintf _vsnprintf
58 # ifndef __GNUC__
59 # define strtold (long double)strtod
60 # define strtof (float)strtod
61 # define strtoll _strtoi64
62 # define strtoull _strtoui64
63 # endif
64 # ifdef LIBTCC_AS_DLL
65 # define LIBTCCAPI __declspec(dllexport)
66 # define PUB_FUNC LIBTCCAPI
67 # endif
68 # define inp next_inp /* inp is an intrinsic on msvc/mingw */
69 # ifdef _MSC_VER
70 # pragma warning (disable : 4244) // conversion from 'uint64_t' to 'int', possible loss of data
71 # pragma warning (disable : 4267) // conversion from 'size_t' to 'int', possible loss of data
72 # pragma warning (disable : 4996) // The POSIX name for this item is deprecated. Instead, use the ISO C and C++ conformant name
73 # pragma warning (disable : 4018) // signed/unsigned mismatch
74 # pragma warning (disable : 4146) // unary minus operator applied to unsigned type, result still unsigned
75 # define ssize_t intptr_t
76 # ifdef _X86_
77 # define __i386__ 1
78 # endif
79 # ifdef _AMD64_
80 # define __x86_64__ 1
81 # endif
82 # endif
83 # undef CONFIG_TCC_STATIC
84 #endif
85
86 #ifndef O_BINARY
87 # define O_BINARY 0
88 #endif
89
90 #ifndef offsetof
91 #define offsetof(type, field) ((size_t) &((type *)0)->field)
92 #endif
93
94 #ifndef countof
95 #define countof(tab) (sizeof(tab) / sizeof((tab)[0]))
96 #endif
97
98 #ifdef _MSC_VER
99 # define NORETURN __declspec(noreturn)
100 # define ALIGNED(x) __declspec(align(x))
101 #else
102 # define NORETURN __attribute__((noreturn))
103 # define ALIGNED(x) __attribute__((aligned(x)))
104 #endif
105
106 /* gnu headers use to #define __attribute__ to empty for non-gcc compilers */
107 #ifdef __TINYC__
108 # undef __attribute__
109 #endif
110
111 #ifdef _WIN32
112 # define IS_DIRSEP(c) (c == '/' || c == '\\')
113 # define IS_ABSPATH(p) (IS_DIRSEP(p[0]) || (p[0] && p[1] == ':' && IS_DIRSEP(p[2])))
114 # define PATHCMP stricmp
115 # define PATHSEP ";"
116 #else
117 # define IS_DIRSEP(c) (c == '/')
118 # define IS_ABSPATH(p) IS_DIRSEP(p[0])
119 # define PATHCMP strcmp
120 # define PATHSEP ":"
121 #endif
122
123 /* -------------------------------------------- */
124
125 /* parser debug */
126 /* #define PARSE_DEBUG */
127 /* preprocessor debug */
128 /* #define PP_DEBUG */
129 /* include file debug */
130 /* #define INC_DEBUG */
131 /* memory leak debug */
132 /* #define MEM_DEBUG */
133 /* assembler debug */
134 /* #define ASM_DEBUG */
135
136 /* target selection */
137 /* #define TCC_TARGET_I386 *//* i386 code generator */
138 /* #define TCC_TARGET_X86_64 *//* x86-64 code generator */
139 /* #define TCC_TARGET_ARM *//* ARMv4 code generator */
140 /* #define TCC_TARGET_ARM64 *//* ARMv8 code generator */
141 /* #define TCC_TARGET_C67 *//* TMS320C67xx code generator */
142 /* #define TCC_TARGET_RISCV64 *//* risc-v code generator */
143
144 /* default target is I386 */
145 #if !defined(TCC_TARGET_I386) && !defined(TCC_TARGET_ARM) && \
146 !defined(TCC_TARGET_ARM64) && !defined(TCC_TARGET_C67) && \
147 !defined(TCC_TARGET_X86_64) && !defined(TCC_TARGET_RISCV64)
148 # if defined __x86_64__
149 # define TCC_TARGET_X86_64
150 # elif defined __arm__
151 # define TCC_TARGET_ARM
152 # define TCC_ARM_EABI
153 # define TCC_ARM_HARDFLOAT
154 # elif defined __aarch64__
155 # define TCC_TARGET_ARM64
156 # else
157 # define TCC_TARGET_I386
158 # endif
159 # ifdef _WIN32
160 # define TCC_TARGET_PE 1
161 # endif
162 #endif
163
164 /* only native compiler supports -run */
165 #if defined _WIN32 == defined TCC_TARGET_PE
166 # if defined __i386__ && defined TCC_TARGET_I386
167 # define TCC_IS_NATIVE
168 # elif defined __x86_64__ && defined TCC_TARGET_X86_64
169 # define TCC_IS_NATIVE
170 # elif defined __arm__ && defined TCC_TARGET_ARM
171 # define TCC_IS_NATIVE
172 # elif defined __aarch64__ && defined TCC_TARGET_ARM64
173 # define TCC_IS_NATIVE
174 # elif defined __riscv && defined __LP64__ && defined TCC_TARGET_RISCV64
175 # define TCC_IS_NATIVE
176 # endif
177 #endif
178
179 #if defined TCC_IS_NATIVE && !defined CONFIG_TCCBOOT
180 # define CONFIG_TCC_BACKTRACE
181 # if (defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64) \
182 && !defined TCC_UCLIBC && !defined TCC_MUSL
183 # define CONFIG_TCC_BCHECK /* enable bound checking code */
184 # endif
185 #endif
186
187 /* ------------ path configuration ------------ */
188
189 #ifndef CONFIG_SYSROOT
190 # define CONFIG_SYSROOT ""
191 #endif
192 #ifndef CONFIG_TCCDIR
193 # define CONFIG_TCCDIR "/usr/local/lib/tcc"
194 #endif
195 #ifndef CONFIG_LDDIR
196 # define CONFIG_LDDIR "lib"
197 #endif
198 #ifdef CONFIG_TRIPLET
199 # define USE_TRIPLET(s) s "/" CONFIG_TRIPLET
200 # define ALSO_TRIPLET(s) USE_TRIPLET(s) ":" s
201 #else
202 # define USE_TRIPLET(s) s
203 # define ALSO_TRIPLET(s) s
204 #endif
205
206 /* path to find crt1.o, crti.o and crtn.o */
207 #ifndef CONFIG_TCC_CRTPREFIX
208 # define CONFIG_TCC_CRTPREFIX USE_TRIPLET(CONFIG_SYSROOT "/usr/" CONFIG_LDDIR)
209 #endif
210
211 /* Below: {B} is substituted by CONFIG_TCCDIR (rsp. -B option) */
212
213 /* system include paths */
214 #ifndef CONFIG_TCC_SYSINCLUDEPATHS
215 # ifdef TCC_TARGET_PE
216 # define CONFIG_TCC_SYSINCLUDEPATHS "{B}/include"PATHSEP"{B}/include/winapi"
217 # else
218 # define CONFIG_TCC_SYSINCLUDEPATHS \
219 "{B}/include" \
220 ":" ALSO_TRIPLET(CONFIG_SYSROOT "/usr/local/include") \
221 ":" ALSO_TRIPLET(CONFIG_SYSROOT "/usr/include")
222 # endif
223 #endif
224
225 /* library search paths */
226 #ifndef CONFIG_TCC_LIBPATHS
227 # ifdef TCC_TARGET_PE
228 # define CONFIG_TCC_LIBPATHS "{B}/lib"
229 # else
230 # define CONFIG_TCC_LIBPATHS \
231 ALSO_TRIPLET(CONFIG_SYSROOT "/usr/" CONFIG_LDDIR) \
232 ":" ALSO_TRIPLET(CONFIG_SYSROOT "/" CONFIG_LDDIR) \
233 ":" ALSO_TRIPLET(CONFIG_SYSROOT "/usr/local/" CONFIG_LDDIR)
234 # endif
235 #endif
236
237 /* name of ELF interpreter */
238 #ifndef CONFIG_TCC_ELFINTERP
239 # if defined __FreeBSD__
240 # define CONFIG_TCC_ELFINTERP "/libexec/ld-elf.so.1"
241 # elif defined __FreeBSD_kernel__
242 # if defined(TCC_TARGET_X86_64)
243 # define CONFIG_TCC_ELFINTERP "/lib/ld-kfreebsd-x86-64.so.1"
244 # else
245 # define CONFIG_TCC_ELFINTERP "/lib/ld.so.1"
246 # endif
247 # elif defined __DragonFly__
248 # define CONFIG_TCC_ELFINTERP "/usr/libexec/ld-elf.so.2"
249 # elif defined __NetBSD__
250 # define CONFIG_TCC_ELFINTERP "/usr/libexec/ld.elf_so"
251 # elif defined __GNU__
252 # define CONFIG_TCC_ELFINTERP "/lib/ld.so"
253 # elif defined(TCC_TARGET_PE)
254 # define CONFIG_TCC_ELFINTERP "-"
255 # elif defined(TCC_UCLIBC)
256 # define CONFIG_TCC_ELFINTERP "/lib/ld-uClibc.so.0" /* is there a uClibc for x86_64 ? */
257 # elif defined TCC_TARGET_ARM64
258 # if defined(TCC_MUSL)
259 # define CONFIG_TCC_ELFINTERP "/lib/ld-musl-aarch64.so.1"
260 # else
261 # define CONFIG_TCC_ELFINTERP "/lib/ld-linux-aarch64.so.1"
262 # endif
263 # elif defined(TCC_TARGET_X86_64)
264 # if defined(TCC_MUSL)
265 # define CONFIG_TCC_ELFINTERP "/lib/ld-musl-x86_64.so.1"
266 # else
267 # define CONFIG_TCC_ELFINTERP "/lib64/ld-linux-x86-64.so.2"
268 # endif
269 # elif defined(TCC_TARGET_RISCV64)
270 # define CONFIG_TCC_ELFINTERP "/lib/ld-linux-riscv64-lp64d.so.1"
271 # elif !defined(TCC_ARM_EABI)
272 # if defined(TCC_MUSL)
273 # if defined(TCC_TARGET_I386)
274 # define CONFIG_TCC_ELFINTERP "/lib/ld-musl-i386.so.1"
275 # else
276 # define CONFIG_TCC_ELFINTERP "/lib/ld-musl-arm.so.1"
277 # endif
278 # else
279 # define CONFIG_TCC_ELFINTERP "/lib/ld-linux.so.2"
280 # endif
281 # endif
282 #endif
283
284 /* var elf_interp dans *-gen.c */
285 #ifdef CONFIG_TCC_ELFINTERP
286 # define DEFAULT_ELFINTERP(s) CONFIG_TCC_ELFINTERP
287 #else
288 # define DEFAULT_ELFINTERP(s) default_elfinterp(s)
289 #endif
290
291 /* (target specific) libtcc1.a */
292 #ifndef TCC_LIBTCC1
293 # define TCC_LIBTCC1 "libtcc1.a"
294 #endif
295
296 /* library to use with CONFIG_USE_LIBGCC instead of libtcc1.a */
297 #if defined CONFIG_USE_LIBGCC && !defined TCC_LIBGCC
298 #define TCC_LIBGCC USE_TRIPLET(CONFIG_SYSROOT "/" CONFIG_LDDIR) "/libgcc_s.so.1"
299 #endif
300
301 /* -------------------------------------------- */
302
303 #include "libtcc.h"
304 #include "elf.h"
305 #include "stab.h"
306
307 /* -------------------------------------------- */
308
309 #ifndef PUB_FUNC /* functions used by tcc.c but not in libtcc.h */
310 # define PUB_FUNC
311 #endif
312
313 #ifndef ONE_SOURCE
314 # define ONE_SOURCE 1
315 #endif
316
317 #if ONE_SOURCE
318 #define ST_INLN static inline
319 #define ST_FUNC static
320 #define ST_DATA static
321 #else
322 #define ST_INLN
323 #define ST_FUNC
324 #define ST_DATA extern
325 #endif
326
327 #ifdef TCC_PROFILE /* profile all functions */
328 # define static
329 #endif
330
331 /* -------------------------------------------- */
332 /* include the target specific definitions */
333
334 #define TARGET_DEFS_ONLY
335 #ifdef TCC_TARGET_I386
336 # include "i386-gen.c"
337 # include "i386-link.c"
338 #elif defined TCC_TARGET_X86_64
339 # include "x86_64-gen.c"
340 # include "x86_64-link.c"
341 #elif defined TCC_TARGET_ARM
342 # include "arm-gen.c"
343 # include "arm-link.c"
344 # include "arm-asm.c"
345 #elif defined TCC_TARGET_ARM64
346 # include "arm64-gen.c"
347 # include "arm64-link.c"
348 #elif defined TCC_TARGET_C67
349 # define TCC_TARGET_COFF
350 # include "coff.h"
351 # include "c67-gen.c"
352 # include "c67-link.c"
353 #elif defined(TCC_TARGET_RISCV64)
354 # include "riscv64-gen.c"
355 # include "riscv64-link.c"
356 #else
357 #error unknown target
358 #endif
359 #undef TARGET_DEFS_ONLY
360
361 /* -------------------------------------------- */
362
363 #if PTR_SIZE == 8
364 # define ELFCLASSW ELFCLASS64
365 # define ElfW(type) Elf##64##_##type
366 # define ELFW(type) ELF##64##_##type
367 # define ElfW_Rel ElfW(Rela)
368 # define SHT_RELX SHT_RELA
369 # define REL_SECTION_FMT ".rela%s"
370 #else
371 # define ELFCLASSW ELFCLASS32
372 # define ElfW(type) Elf##32##_##type
373 # define ELFW(type) ELF##32##_##type
374 # define ElfW_Rel ElfW(Rel)
375 # define SHT_RELX SHT_REL
376 # define REL_SECTION_FMT ".rel%s"
377 #endif
378 /* target address type */
379 #define addr_t ElfW(Addr)
380 #define ElfSym ElfW(Sym)
381
382 #if PTR_SIZE == 8 && !defined TCC_TARGET_PE
383 # define LONG_SIZE 8
384 #else
385 # define LONG_SIZE 4
386 #endif
387
388 /* -------------------------------------------- */
389
390 #define INCLUDE_STACK_SIZE 32
391 #define IFDEF_STACK_SIZE 64
392 #define VSTACK_SIZE 256
393 #define STRING_MAX_SIZE 1024
394 #define TOKSTR_MAX_SIZE 256
395 #define PACK_STACK_SIZE 8
396
397 #define TOK_HASH_SIZE 16384 /* must be a power of two */
398 #define TOK_ALLOC_INCR 512 /* must be a power of two */
399 #define TOK_MAX_SIZE 4 /* token max size in int unit when stored in string */
400
401 /* token symbol management */
402 typedef struct TokenSym {
403 struct TokenSym *hash_next;
404 struct Sym *sym_define; /* direct pointer to define */
405 struct Sym *sym_label; /* direct pointer to label */
406 struct Sym *sym_struct; /* direct pointer to structure */
407 struct Sym *sym_identifier; /* direct pointer to identifier */
408 int tok; /* token number */
409 int len;
410 char str[1];
411 } TokenSym;
412
413 #ifdef TCC_TARGET_PE
414 typedef unsigned short nwchar_t;
415 #else
416 typedef int nwchar_t;
417 #endif
418
419 typedef struct CString {
420 int size; /* size in bytes */
421 void *data; /* either 'char *' or 'nwchar_t *' */
422 int size_allocated;
423 } CString;
424
425 /* type definition */
426 typedef struct CType {
427 int t;
428 struct Sym *ref;
429 } CType;
430
431 /* constant value */
432 typedef union CValue {
433 long double ld;
434 double d;
435 float f;
436 uint64_t i;
437 struct {
438 int size;
439 const void *data;
440 } str;
441 int tab[LDOUBLE_SIZE/4];
442 } CValue;
443
444 /* value on stack */
445 typedef struct SValue {
446 CType type; /* type */
447 unsigned short r; /* register + flags */
448 unsigned short r2; /* second register, used for 'long long'
449 type. If not used, set to VT_CONST */
450 union {
451 struct { int jtrue, jfalse; }; /* forward jmps */
452 CValue c; /* constant, if VT_CONST */
453 };
454 union {
455 struct { unsigned short cmp_op, cmp_r; }; /* VT_CMP operation */
456 struct Sym *sym; /* symbol, if (VT_SYM | VT_CONST), or if */
457 }; /* result of unary() for an identifier. */
458
459 } SValue;
460
461 /* symbol attributes */
462 struct SymAttr {
463 unsigned short
464 aligned : 5, /* alignment as log2+1 (0 == unspecified) */
465 packed : 1,
466 weak : 1,
467 visibility : 2,
468 dllexport : 1,
469 nodecorate : 1,
470 dllimport : 1,
471 unused : 4;
472 };
473
474 /* function attributes or temporary attributes for parsing */
475 struct FuncAttr {
476 unsigned
477 func_call : 3, /* calling convention (0..5), see below */
478 func_type : 2, /* FUNC_OLD/NEW/ELLIPSIS */
479 func_noreturn : 1, /* attribute((noreturn)) */
480 xxxx : 2,
481 func_args : 8; /* PE __stdcall args */
482 };
483
484 /* symbol management */
485 typedef struct Sym {
486 int v; /* symbol token */
487 unsigned short r; /* associated register or VT_CONST/VT_LOCAL and LVAL type */
488 struct SymAttr a; /* symbol attributes */
489 union {
490 struct {
491 int c; /* associated number or Elf symbol index */
492 union {
493 int sym_scope; /* scope level for locals */
494 int jnext; /* next jump label */
495 struct FuncAttr f; /* function attributes */
496 int auxtype; /* bitfield access type */
497 };
498 };
499 long long enum_val; /* enum constant if IS_ENUM_VAL */
500 int *d; /* define token stream */
501 struct Sym *ncl; /* next cleanup */
502 };
503 CType type; /* associated type */
504 union {
505 struct Sym *next; /* next related symbol (for fields and anoms) */
506 struct Sym *cleanupstate; /* in defined labels */
507 int asm_label; /* associated asm label */
508 };
509 struct Sym *prev; /* prev symbol in stack */
510 struct Sym *prev_tok; /* previous symbol for this token */
511 } Sym;
512
513 /* section definition */
514 typedef struct Section {
515 unsigned long data_offset; /* current data offset */
516 unsigned char *data; /* section data */
517 unsigned long data_allocated; /* used for realloc() handling */
518 int sh_name; /* elf section name (only used during output) */
519 int sh_num; /* elf section number */
520 int sh_type; /* elf section type */
521 int sh_flags; /* elf section flags */
522 int sh_info; /* elf section info */
523 int sh_addralign; /* elf section alignment */
524 int sh_entsize; /* elf entry size */
525 unsigned long sh_size; /* section size (only used during output) */
526 addr_t sh_addr; /* address at which the section is relocated */
527 unsigned long sh_offset; /* file offset */
528 int nb_hashed_syms; /* used to resize the hash table */
529 struct Section *link; /* link to another section */
530 struct Section *reloc; /* corresponding section for relocation, if any */
531 struct Section *hash; /* hash table for symbols */
532 struct Section *prev; /* previous section on section stack */
533 char name[1]; /* section name */
534 } Section;
535
536 typedef struct DLLReference {
537 int level;
538 void *handle;
539 char name[1];
540 } DLLReference;
541
542 /* -------------------------------------------------- */
543
544 #define SYM_STRUCT 0x40000000 /* struct/union/enum symbol space */
545 #define SYM_FIELD 0x20000000 /* struct/union field symbol space */
546 #define SYM_FIRST_ANOM 0x10000000 /* first anonymous sym */
547
548 /* stored in 'Sym->f.func_type' field */
549 #define FUNC_NEW 1 /* ansi function prototype */
550 #define FUNC_OLD 2 /* old function prototype */
551 #define FUNC_ELLIPSIS 3 /* ansi function prototype with ... */
552
553 /* stored in 'Sym->f.func_call' field */
554 #define FUNC_CDECL 0 /* standard c call */
555 #define FUNC_STDCALL 1 /* pascal c call */
556 #define FUNC_FASTCALL1 2 /* first param in %eax */
557 #define FUNC_FASTCALL2 3 /* first parameters in %eax, %edx */
558 #define FUNC_FASTCALL3 4 /* first parameter in %eax, %edx, %ecx */
559 #define FUNC_FASTCALLW 5 /* first parameter in %ecx, %edx */
560
561 /* field 'Sym.t' for macros */
562 #define MACRO_OBJ 0 /* object like macro */
563 #define MACRO_FUNC 1 /* function like macro */
564
565 /* field 'Sym.r' for C labels */
566 #define LABEL_DEFINED 0 /* label is defined */
567 #define LABEL_FORWARD 1 /* label is forward defined */
568 #define LABEL_DECLARED 2 /* label is declared but never used */
569
570 /* type_decl() types */
571 #define TYPE_ABSTRACT 1 /* type without variable */
572 #define TYPE_DIRECT 2 /* type with variable */
573
574 #define IO_BUF_SIZE 8192
575
576 typedef struct BufferedFile {
577 uint8_t *buf_ptr;
578 uint8_t *buf_end;
579 int fd;
580 struct BufferedFile *prev;
581 int line_num; /* current line number - here to simplify code */
582 int line_ref; /* tcc -E: last printed line */
583 int ifndef_macro; /* #ifndef macro / #endif search */
584 int ifndef_macro_saved; /* saved ifndef_macro */
585 int *ifdef_stack_ptr; /* ifdef_stack value at the start of the file */
586 int include_next_index; /* next search path */
587 char filename[1024]; /* filename */
588 char *true_filename; /* filename not modified by # line directive */
589 unsigned char unget[4];
590 unsigned char buffer[1]; /* extra size for CH_EOB char */
591 } BufferedFile;
592
593 #define CH_EOB '\\' /* end of buffer or '\0' char in file */
594 #define CH_EOF (-1) /* end of file */
595
596 /* used to record tokens */
597 typedef struct TokenString {
598 int *str;
599 int len;
600 int lastlen;
601 int allocated_len;
602 int last_line_num;
603 int save_line_num;
604 /* used to chain token-strings with begin/end_macro() */
605 struct TokenString *prev;
606 const int *prev_ptr;
607 char alloc;
608 } TokenString;
609
610 /* GNUC attribute definition */
611 typedef struct AttributeDef {
612 struct SymAttr a;
613 struct FuncAttr f;
614 struct Section *section;
615 Sym *cleanup_func;
616 int alias_target; /* token */
617 int asm_label; /* associated asm label */
618 char attr_mode; /* __attribute__((__mode__(...))) */
619 } AttributeDef;
620
621 /* inline functions */
622 typedef struct InlineFunc {
623 TokenString *func_str;
624 Sym *sym;
625 char filename[1];
626 } InlineFunc;
627
628 /* include file cache, used to find files faster and also to eliminate
629 inclusion if the include file is protected by #ifndef ... #endif */
630 typedef struct CachedInclude {
631 int ifndef_macro;
632 int once;
633 int hash_next; /* -1 if none */
634 char filename[1]; /* path specified in #include */
635 } CachedInclude;
636
637 #define CACHED_INCLUDES_HASH_SIZE 32
638
639 #ifdef CONFIG_TCC_ASM
640 typedef struct ExprValue {
641 uint64_t v;
642 Sym *sym;
643 int pcrel;
644 } ExprValue;
645
646 #define MAX_ASM_OPERANDS 30
647 typedef struct ASMOperand {
648 int id; /* GCC 3 optional identifier (0 if number only supported */
649 char *constraint;
650 char asm_str[16]; /* computed asm string for operand */
651 SValue *vt; /* C value of the expression */
652 int ref_index; /* if >= 0, gives reference to a output constraint */
653 int input_index; /* if >= 0, gives reference to an input constraint */
654 int priority; /* priority, used to assign registers */
655 int reg; /* if >= 0, register number used for this operand */
656 int is_llong; /* true if double register value */
657 int is_memory; /* true if memory operand */
658 int is_rw; /* for '+' modifier */
659 } ASMOperand;
660 #endif
661
662 /* extra symbol attributes (not in symbol table) */
663 struct sym_attr {
664 unsigned got_offset;
665 unsigned plt_offset;
666 int plt_sym;
667 int dyn_index;
668 #ifdef TCC_TARGET_ARM
669 unsigned char plt_thumb_stub:1;
670 #endif
671 };
672
673 struct TCCState {
674 int verbose; /* if true, display some information during compilation */
675 int nostdinc; /* if true, no standard headers are added */
676 int nostdlib; /* if true, no standard libraries are added */
677 int nocommon; /* if true, do not use common symbols for .bss data */
678 int static_link; /* if true, static linking is performed */
679 int rdynamic; /* if true, all symbols are exported */
680 int symbolic; /* if true, resolve symbols in the current module first */
681 int filetype; /* file type for compilation (NONE,C,ASM) */
682 int cversion; /* supported C ISO version, 199901 (the default), 201112, ... */
683
684 char *tcc_lib_path; /* CONFIG_TCCDIR or -B option */
685 char *soname; /* as specified on the command line (-soname) */
686 char *rpath; /* as specified on the command line (-Wl,-rpath=) */
687 int enable_new_dtags; /* ditto, (-Wl,--enable-new-dtags) */
688
689 /* output type, see TCC_OUTPUT_XXX */
690 int output_type;
691 /* output format, see TCC_OUTPUT_FORMAT_xxx */
692 int output_format;
693
694 /* C language options */
695 int char_is_unsigned;
696 int leading_underscore;
697 int ms_extensions; /* allow nested named struct w/o identifier behave like unnamed */
698 int dollars_in_identifiers; /* allows '$' char in identifiers */
699 int ms_bitfields; /* if true, emulate MS algorithm for aligning bitfields */
700
701 /* warning switches */
702 int warn_write_strings;
703 int warn_unsupported;
704 int warn_error;
705 int warn_none;
706 int warn_implicit_function_declaration;
707 int warn_gcc_compat;
708
709 /* compile with debug symbol (and use them if error during execution) */
710 int do_debug;
711 #ifdef CONFIG_TCC_BCHECK
712 /* compile with built-in memory and bounds checker */
713 int do_bounds_check;
714 #endif
715 #ifdef TCC_TARGET_ARM
716 enum float_abi float_abi; /* float ABI of the generated code*/
717 #endif
718 int run_test; /* nth test to run with -dt -run */
719
720 addr_t text_addr; /* address of text section */
721 int has_text_addr;
722
723 unsigned section_align; /* section alignment */
724
725 char *init_symbol; /* symbols to call at load-time (not used currently) */
726 char *fini_symbol; /* symbols to call at unload-time (not used currently) */
727
728 #ifdef TCC_TARGET_I386
729 int seg_size; /* 32. Can be 16 with i386 assembler (.code16) */
730 #endif
731 #ifdef TCC_TARGET_X86_64
732 int nosse; /* For -mno-sse support. */
733 #endif
734
735 /* array of all loaded dlls (including those referenced by loaded dlls) */
736 DLLReference **loaded_dlls;
737 int nb_loaded_dlls;
738
739 /* include paths */
740 char **include_paths;
741 int nb_include_paths;
742
743 char **sysinclude_paths;
744 int nb_sysinclude_paths;
745
746 /* library paths */
747 char **library_paths;
748 int nb_library_paths;
749
750 /* crt?.o object path */
751 char **crt_paths;
752 int nb_crt_paths;
753
754 /* -include files */
755 char **cmd_include_files;
756 int nb_cmd_include_files;
757
758 /* error handling */
759 void *error_opaque;
760 void (*error_func)(void *opaque, const char *msg);
761 int error_set_jmp_enabled;
762 jmp_buf error_jmp_buf;
763 int nb_errors;
764
765 /* output file for preprocessing (-E) */
766 FILE *ppfp;
767 enum {
768 LINE_MACRO_OUTPUT_FORMAT_GCC,
769 LINE_MACRO_OUTPUT_FORMAT_NONE,
770 LINE_MACRO_OUTPUT_FORMAT_STD,
771 LINE_MACRO_OUTPUT_FORMAT_P10 = 11
772 } Pflag; /* -P switch */
773 char dflag; /* -dX value */
774
775 /* for -MD/-MF: collected dependencies for this compilation */
776 char **target_deps;
777 int nb_target_deps;
778
779 /* compilation */
780 BufferedFile *include_stack[INCLUDE_STACK_SIZE];
781 BufferedFile **include_stack_ptr;
782
783 int ifdef_stack[IFDEF_STACK_SIZE];
784 int *ifdef_stack_ptr;
785
786 /* included files enclosed with #ifndef MACRO */
787 int cached_includes_hash[CACHED_INCLUDES_HASH_SIZE];
788 CachedInclude **cached_includes;
789 int nb_cached_includes;
790
791 /* #pragma pack stack */
792 int pack_stack[PACK_STACK_SIZE];
793 int *pack_stack_ptr;
794 char **pragma_libs;
795 int nb_pragma_libs;
796
797 /* inline functions are stored as token lists and compiled last
798 only if referenced */
799 struct InlineFunc **inline_fns;
800 int nb_inline_fns;
801
802 /* sections */
803 Section **sections;
804 int nb_sections; /* number of sections, including first dummy section */
805
806 Section **priv_sections;
807 int nb_priv_sections; /* number of private sections */
808
809 /* got & plt handling */
810 Section *got;
811 Section *plt;
812
813 /* temporary dynamic symbol sections (for dll loading) */
814 Section *dynsymtab_section;
815 /* exported dynamic symbol section */
816 Section *dynsym;
817 /* copy of the global symtab_section variable */
818 Section *symtab;
819 /* extra attributes (eg. GOT/PLT value) for symtab symbols */
820 struct sym_attr *sym_attrs;
821 int nb_sym_attrs;
822
823 #ifdef TCC_TARGET_PE
824 /* PE info */
825 int pe_subsystem;
826 unsigned pe_characteristics;
827 unsigned pe_file_align;
828 unsigned pe_stack_size;
829 addr_t pe_imagebase;
830 # ifdef TCC_TARGET_X86_64
831 Section *uw_pdata;
832 int uw_sym;
833 unsigned uw_offs;
834 # endif
835 #endif
836
837 #ifdef TCC_IS_NATIVE
838 const char *runtime_main;
839 void **runtime_mem;
840 int nb_runtime_mem;
841 #endif
842
843 /* used by main and tcc_parse_args only */
844 struct filespec **files; /* files seen on command line */
845 int nb_files; /* number thereof */
846 int nb_libraries; /* number of libs thereof */
847 char *outfile; /* output filename */
848 int option_r; /* option -r */
849 int do_bench; /* option -bench */
850 int gen_deps; /* option -MD */
851 char *deps_outfile; /* option -MF */
852 int option_pthread; /* -pthread option */
853 int argc;
854 char **argv;
855 };
856
857 struct filespec {
858 char type;
859 char name[1];
860 };
861
862 /* The current value can be: */
863 #define VT_VALMASK 0x003f /* mask for value location, register or: */
864 #define VT_CONST 0x0030 /* constant in vc (must be first non register value) */
865 #define VT_LLOCAL 0x0031 /* lvalue, offset on stack */
866 #define VT_LOCAL 0x0032 /* offset on stack */
867 #define VT_CMP 0x0033 /* the value is stored in processor flags (in vc) */
868 #define VT_JMP 0x0034 /* value is the consequence of jmp true (even) */
869 #define VT_JMPI 0x0035 /* value is the consequence of jmp false (odd) */
870 #define VT_LVAL 0x0100 /* var is an lvalue */
871 #define VT_SYM 0x0200 /* a symbol value is added */
872 #define VT_MUSTCAST 0x0400 /* value must be casted to be correct (used for
873 char/short stored in integer registers) */
874 #define VT_MUSTBOUND 0x0800 /* bound checking must be done before
875 dereferencing value */
876 #define VT_BOUNDED 0x8000 /* value is bounded. The address of the
877 bounding function call point is in vc */
878 #define VT_LVAL_BYTE 0x1000 /* lvalue is a byte */
879 #define VT_LVAL_SHORT 0x2000 /* lvalue is a short */
880 #define VT_LVAL_UNSIGNED 0x4000 /* lvalue is unsigned */
881 #define VT_LVAL_TYPE (VT_LVAL_BYTE | VT_LVAL_SHORT | VT_LVAL_UNSIGNED)
882
883 /* types */
884 #define VT_BTYPE 0x000f /* mask for basic type */
885 #define VT_VOID 0 /* void type */
886 #define VT_BYTE 1 /* signed byte type */
887 #define VT_SHORT 2 /* short type */
888 #define VT_INT 3 /* integer type */
889 #define VT_LLONG 4 /* 64 bit integer */
890 #define VT_PTR 5 /* pointer */
891 #define VT_FUNC 6 /* function type */
892 #define VT_STRUCT 7 /* struct/union definition */
893 #define VT_FLOAT 8 /* IEEE float */
894 #define VT_DOUBLE 9 /* IEEE double */
895 #define VT_LDOUBLE 10 /* IEEE long double */
896 #define VT_BOOL 11 /* ISOC99 boolean type */
897 #define VT_QLONG 13 /* 128-bit integer. Only used for x86-64 ABI */
898 #define VT_QFLOAT 14 /* 128-bit float. Only used for x86-64 ABI */
899
900 #define VT_UNSIGNED 0x0010 /* unsigned type */
901 #define VT_DEFSIGN 0x0020 /* explicitly signed or unsigned */
902 #define VT_ARRAY 0x0040 /* array type (also has VT_PTR) */
903 #define VT_BITFIELD 0x0080 /* bitfield modifier */
904 #define VT_CONSTANT 0x0100 /* const modifier */
905 #define VT_VOLATILE 0x0200 /* volatile modifier */
906 #define VT_VLA 0x0400 /* VLA type (also has VT_PTR and VT_ARRAY) */
907 #define VT_LONG 0x0800 /* long type (also has VT_INT rsp. VT_LLONG) */
908
909 /* storage */
910 #define VT_EXTERN 0x00001000 /* extern definition */
911 #define VT_STATIC 0x00002000 /* static variable */
912 #define VT_TYPEDEF 0x00004000 /* typedef definition */
913 #define VT_INLINE 0x00008000 /* inline definition */
914 /* currently unused: 0x000[1248]0000 */
915
916 #define VT_STRUCT_SHIFT 20 /* shift for bitfield shift values (32 - 2*6) */
917 #define VT_STRUCT_MASK (((1U << (6+6)) - 1) << VT_STRUCT_SHIFT | VT_BITFIELD)
918 #define BIT_POS(t) (((t) >> VT_STRUCT_SHIFT) & 0x3f)
919 #define BIT_SIZE(t) (((t) >> (VT_STRUCT_SHIFT + 6)) & 0x3f)
920
921 #define VT_UNION (1 << VT_STRUCT_SHIFT | VT_STRUCT)
922 #define VT_ENUM (2 << VT_STRUCT_SHIFT) /* integral type is an enum really */
923 #define VT_ENUM_VAL (3 << VT_STRUCT_SHIFT) /* integral type is an enum constant really */
924
925 #define IS_ENUM(t) ((t & VT_STRUCT_MASK) == VT_ENUM)
926 #define IS_ENUM_VAL(t) ((t & VT_STRUCT_MASK) == VT_ENUM_VAL)
927 #define IS_UNION(t) ((t & (VT_STRUCT_MASK|VT_BTYPE)) == VT_UNION)
928
929 /* type mask (except storage) */
930 #define VT_STORAGE (VT_EXTERN | VT_STATIC | VT_TYPEDEF | VT_INLINE)
931 #define VT_TYPE (~(VT_STORAGE|VT_STRUCT_MASK))
932
933 /* symbol was created by tccasm.c first */
934 #define VT_ASM (VT_VOID | VT_UNSIGNED)
935 #define IS_ASM_SYM(sym) (((sym)->type.t & (VT_BTYPE | VT_ASM)) == VT_ASM)
936
937 /* token values */
938
939 /* warning: the following compare tokens depend on i386 asm code */
940 #define TOK_ULT 0x92
941 #define TOK_UGE 0x93
942 #define TOK_EQ 0x94
943 #define TOK_NE 0x95
944 #define TOK_ULE 0x96
945 #define TOK_UGT 0x97
946 #define TOK_Nset 0x98
947 #define TOK_Nclear 0x99
948 #define TOK_LT 0x9c
949 #define TOK_GE 0x9d
950 #define TOK_LE 0x9e
951 #define TOK_GT 0x9f
952
953 #define TOK_LAND 0xa0
954 #define TOK_LOR 0xa1
955 #define TOK_DEC 0xa2
956 #define TOK_MID 0xa3 /* inc/dec, to void constant */
957 #define TOK_INC 0xa4
958 #define TOK_UDIV 0xb0 /* unsigned division */
959 #define TOK_UMOD 0xb1 /* unsigned modulo */
960 #define TOK_PDIV 0xb2 /* fast division with undefined rounding for pointers */
961
962 /* tokens that carry values (in additional token string space / tokc) --> */
963 #define TOK_CCHAR 0xb3 /* char constant in tokc */
964 #define TOK_LCHAR 0xb4
965 #define TOK_CINT 0xb5 /* number in tokc */
966 #define TOK_CUINT 0xb6 /* unsigned int constant */
967 #define TOK_CLLONG 0xb7 /* long long constant */
968 #define TOK_CULLONG 0xb8 /* unsigned long long constant */
969 #define TOK_STR 0xb9 /* pointer to string in tokc */
970 #define TOK_LSTR 0xba
971 #define TOK_CFLOAT 0xbb /* float constant */
972 #define TOK_CDOUBLE 0xbc /* double constant */
973 #define TOK_CLDOUBLE 0xbd /* long double constant */
974 #define TOK_PPNUM 0xbe /* preprocessor number */
975 #define TOK_PPSTR 0xbf /* preprocessor string */
976 #define TOK_LINENUM 0xc0 /* line number info */
977 #define TOK_TWODOTS 0xa8 /* C++ token ? */
978 /* <-- */
979
980 #define TOK_UMULL 0xc2 /* unsigned 32x32 -> 64 mul */
981 #define TOK_ADDC1 0xc3 /* add with carry generation */
982 #define TOK_ADDC2 0xc4 /* add with carry use */
983 #define TOK_SUBC1 0xc5 /* add with carry generation */
984 #define TOK_SUBC2 0xc6 /* add with carry use */
985 #define TOK_ARROW 0xc7
986 #define TOK_DOTS 0xc8 /* three dots */
987 #define TOK_SHR 0xc9 /* unsigned shift right */
988 #define TOK_TWOSHARPS 0xca /* ## preprocessing token */
989 #define TOK_PLCHLDR 0xcb /* placeholder token as defined in C99 */
990 #define TOK_NOSUBST 0xcc /* means following token has already been pp'd */
991 #define TOK_PPJOIN 0xcd /* A '##' in the right position to mean pasting */
992 #define TOK_CLONG 0xce /* long constant */
993 #define TOK_CULONG 0xcf /* unsigned long constant */
994
995 #define TOK_SHL 0x01 /* shift left */
996 #define TOK_SAR 0x02 /* signed shift right */
997
998 /* assignment operators : normal operator or 0x80 */
999 #define TOK_A_MOD 0xa5
1000 #define TOK_A_AND 0xa6
1001 #define TOK_A_MUL 0xaa
1002 #define TOK_A_ADD 0xab
1003 #define TOK_A_SUB 0xad
1004 #define TOK_A_DIV 0xaf
1005 #define TOK_A_XOR 0xde
1006 #define TOK_A_OR 0xfc
1007 #define TOK_A_SHL 0x81
1008 #define TOK_A_SAR 0x82
1009
1010 #define TOK_EOF (-1) /* end of file */
1011 #define TOK_LINEFEED 10 /* line feed */
1012
1013 /* all identifiers and strings have token above that */
1014 #define TOK_IDENT 256
1015
1016 #define DEF_ASM(x) DEF(TOK_ASM_ ## x, #x)
1017 #define TOK_ASM_int TOK_INT
1018 #define DEF_ASMDIR(x) DEF(TOK_ASMDIR_ ## x, "." #x)
1019 #define TOK_ASMDIR_FIRST TOK_ASMDIR_byte
1020 #define TOK_ASMDIR_LAST TOK_ASMDIR_section
1021
1022 #if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
1023 /* only used for i386 asm opcodes definitions */
1024 #define DEF_BWL(x) \
1025 DEF(TOK_ASM_ ## x ## b, #x "b") \
1026 DEF(TOK_ASM_ ## x ## w, #x "w") \
1027 DEF(TOK_ASM_ ## x ## l, #x "l") \
1028 DEF(TOK_ASM_ ## x, #x)
1029 #define DEF_WL(x) \
1030 DEF(TOK_ASM_ ## x ## w, #x "w") \
1031 DEF(TOK_ASM_ ## x ## l, #x "l") \
1032 DEF(TOK_ASM_ ## x, #x)
1033 #ifdef TCC_TARGET_X86_64
1034 # define DEF_BWLQ(x) \
1035 DEF(TOK_ASM_ ## x ## b, #x "b") \
1036 DEF(TOK_ASM_ ## x ## w, #x "w") \
1037 DEF(TOK_ASM_ ## x ## l, #x "l") \
1038 DEF(TOK_ASM_ ## x ## q, #x "q") \
1039 DEF(TOK_ASM_ ## x, #x)
1040 # define DEF_WLQ(x) \
1041 DEF(TOK_ASM_ ## x ## w, #x "w") \
1042 DEF(TOK_ASM_ ## x ## l, #x "l") \
1043 DEF(TOK_ASM_ ## x ## q, #x "q") \
1044 DEF(TOK_ASM_ ## x, #x)
1045 # define DEF_BWLX DEF_BWLQ
1046 # define DEF_WLX DEF_WLQ
1047 /* number of sizes + 1 */
1048 # define NBWLX 5
1049 #else
1050 # define DEF_BWLX DEF_BWL
1051 # define DEF_WLX DEF_WL
1052 /* number of sizes + 1 */
1053 # define NBWLX 4
1054 #endif
1055
1056 #define DEF_FP1(x) \
1057 DEF(TOK_ASM_ ## f ## x ## s, "f" #x "s") \
1058 DEF(TOK_ASM_ ## fi ## x ## l, "fi" #x "l") \
1059 DEF(TOK_ASM_ ## f ## x ## l, "f" #x "l") \
1060 DEF(TOK_ASM_ ## fi ## x ## s, "fi" #x "s")
1061
1062 #define DEF_FP(x) \
1063 DEF(TOK_ASM_ ## f ## x, "f" #x ) \
1064 DEF(TOK_ASM_ ## f ## x ## p, "f" #x "p") \
1065 DEF_FP1(x)
1066
1067 #define DEF_ASMTEST(x,suffix) \
1068 DEF_ASM(x ## o ## suffix) \
1069 DEF_ASM(x ## no ## suffix) \
1070 DEF_ASM(x ## b ## suffix) \
1071 DEF_ASM(x ## c ## suffix) \
1072 DEF_ASM(x ## nae ## suffix) \
1073 DEF_ASM(x ## nb ## suffix) \
1074 DEF_ASM(x ## nc ## suffix) \
1075 DEF_ASM(x ## ae ## suffix) \
1076 DEF_ASM(x ## e ## suffix) \
1077 DEF_ASM(x ## z ## suffix) \
1078 DEF_ASM(x ## ne ## suffix) \
1079 DEF_ASM(x ## nz ## suffix) \
1080 DEF_ASM(x ## be ## suffix) \
1081 DEF_ASM(x ## na ## suffix) \
1082 DEF_ASM(x ## nbe ## suffix) \
1083 DEF_ASM(x ## a ## suffix) \
1084 DEF_ASM(x ## s ## suffix) \
1085 DEF_ASM(x ## ns ## suffix) \
1086 DEF_ASM(x ## p ## suffix) \
1087 DEF_ASM(x ## pe ## suffix) \
1088 DEF_ASM(x ## np ## suffix) \
1089 DEF_ASM(x ## po ## suffix) \
1090 DEF_ASM(x ## l ## suffix) \
1091 DEF_ASM(x ## nge ## suffix) \
1092 DEF_ASM(x ## nl ## suffix) \
1093 DEF_ASM(x ## ge ## suffix) \
1094 DEF_ASM(x ## le ## suffix) \
1095 DEF_ASM(x ## ng ## suffix) \
1096 DEF_ASM(x ## nle ## suffix) \
1097 DEF_ASM(x ## g ## suffix)
1098
1099 #endif /* defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64 */
1100
1101 enum tcc_token {
1102 TOK_LAST = TOK_IDENT - 1
1103 #define DEF(id, str) ,id
1104 #include "tcctok.h"
1105 #undef DEF
1106 };
1107
1108 /* keywords: tok >= TOK_IDENT && tok < TOK_UIDENT */
1109 #define TOK_UIDENT TOK_DEFINE
1110
1111 /* ------------ libtcc.c ------------ */
1112
1113 /* use GNU C extensions */
1114 ST_DATA int gnu_ext;
1115 /* use Tiny C extensions */
1116 ST_DATA int tcc_ext;
1117 /* XXX: get rid of this ASAP */
1118 ST_DATA struct TCCState *tcc_state;
1119
1120 /* public functions currently used by the tcc main function */
1121 ST_FUNC char *pstrcpy(char *buf, int buf_size, const char *s);
1122 ST_FUNC char *pstrcat(char *buf, int buf_size, const char *s);
1123 ST_FUNC char *pstrncpy(char *out, const char *in, size_t num);
1124 PUB_FUNC char *tcc_basename(const char *name);
1125 PUB_FUNC char *tcc_fileextension (const char *name);
1126
1127 #ifndef MEM_DEBUG
1128 PUB_FUNC void tcc_free(void *ptr);
1129 PUB_FUNC void *tcc_malloc(unsigned long size);
1130 PUB_FUNC void *tcc_mallocz(unsigned long size);
1131 PUB_FUNC void *tcc_realloc(void *ptr, unsigned long size);
1132 PUB_FUNC char *tcc_strdup(const char *str);
1133 #else
1134 #define tcc_free(ptr) tcc_free_debug(ptr)
1135 #define tcc_malloc(size) tcc_malloc_debug(size, __FILE__, __LINE__)
1136 #define tcc_mallocz(size) tcc_mallocz_debug(size, __FILE__, __LINE__)
1137 #define tcc_realloc(ptr,size) tcc_realloc_debug(ptr, size, __FILE__, __LINE__)
1138 #define tcc_strdup(str) tcc_strdup_debug(str, __FILE__, __LINE__)
1139 PUB_FUNC void tcc_free_debug(void *ptr);
1140 PUB_FUNC void *tcc_malloc_debug(unsigned long size, const char *file, int line);
1141 PUB_FUNC void *tcc_mallocz_debug(unsigned long size, const char *file, int line);
1142 PUB_FUNC void *tcc_realloc_debug(void *ptr, unsigned long size, const char *file, int line);
1143 PUB_FUNC char *tcc_strdup_debug(const char *str, const char *file, int line);
1144 #endif
1145
1146 #define free(p) use_tcc_free(p)
1147 #define malloc(s) use_tcc_malloc(s)
1148 #define realloc(p, s) use_tcc_realloc(p, s)
1149 #undef strdup
1150 #define strdup(s) use_tcc_strdup(s)
1151 PUB_FUNC void tcc_memcheck(void);
1152 PUB_FUNC void tcc_error_noabort(const char *fmt, ...);
1153 PUB_FUNC NORETURN void tcc_error(const char *fmt, ...);
1154 PUB_FUNC void tcc_warning(const char *fmt, ...);
1155
1156 /* other utilities */
1157 ST_FUNC void dynarray_add(void *ptab, int *nb_ptr, void *data);
1158 ST_FUNC void dynarray_reset(void *pp, int *n);
1159 ST_INLN void cstr_ccat(CString *cstr, int ch);
1160 ST_FUNC void cstr_cat(CString *cstr, const char *str, int len);
1161 ST_FUNC void cstr_wccat(CString *cstr, int ch);
1162 ST_FUNC void cstr_new(CString *cstr);
1163 ST_FUNC void cstr_free(CString *cstr);
1164 ST_FUNC void cstr_reset(CString *cstr);
1165
1166 ST_INLN void sym_free(Sym *sym);
1167 ST_FUNC Sym *sym_push2(Sym **ps, int v, int t, int c);
1168 ST_FUNC Sym *sym_find2(Sym *s, int v);
1169 ST_FUNC Sym *sym_push(int v, CType *type, int r, int c);
1170 ST_FUNC void sym_pop(Sym **ptop, Sym *b, int keep);
1171 ST_INLN Sym *struct_find(int v);
1172 ST_INLN Sym *sym_find(int v);
1173 ST_FUNC Sym *global_identifier_push(int v, int t, int c);
1174
1175 ST_FUNC void tcc_open_bf(TCCState *s1, const char *filename, int initlen);
1176 ST_FUNC int tcc_open(TCCState *s1, const char *filename);
1177 ST_FUNC void tcc_close(void);
1178
1179 ST_FUNC int tcc_add_file_internal(TCCState *s1, const char *filename, int flags);
1180 /* flags: */
1181 #define AFF_PRINT_ERROR 0x10 /* print error if file not found */
1182 #define AFF_REFERENCED_DLL 0x20 /* load a referenced dll from another dll */
1183 #define AFF_TYPE_BIN 0x40 /* file to add is binary */
1184 #define AFF_WHOLE_ARCHIVE 0x80 /* load all objects from archive */
1185 /* s->filetype: */
1186 #define AFF_TYPE_NONE 0
1187 #define AFF_TYPE_C 1
1188 #define AFF_TYPE_ASM 2
1189 #define AFF_TYPE_ASMPP 4
1190 #define AFF_TYPE_LIB 8
1191 #define AFF_TYPE_MASK (15 | AFF_TYPE_BIN)
1192 /* values from tcc_object_type(...) */
1193 #define AFF_BINTYPE_REL 1
1194 #define AFF_BINTYPE_DYN 2
1195 #define AFF_BINTYPE_AR 3
1196 #define AFF_BINTYPE_C67 4
1197
1198
1199 #ifndef TCC_TARGET_PE
1200 ST_FUNC int tcc_add_crt(TCCState *s, const char *filename);
1201 #endif
1202 ST_FUNC int tcc_add_dll(TCCState *s, const char *filename, int flags);
1203 ST_FUNC void tcc_add_pragma_libs(TCCState *s1);
1204 PUB_FUNC int tcc_add_library_err(TCCState *s, const char *f);
1205 PUB_FUNC void tcc_print_stats(TCCState *s, unsigned total_time);
1206 PUB_FUNC int tcc_parse_args(TCCState *s, int *argc, char ***argv, int optind);
1207 #ifdef _WIN32
1208 ST_FUNC char *normalize_slashes(char *path);
1209 #endif
1210
1211 /* tcc_parse_args return codes: */
1212 #define OPT_HELP 1
1213 #define OPT_HELP2 2
1214 #define OPT_V 3
1215 #define OPT_PRINT_DIRS 4
1216 #define OPT_AR 5
1217 #define OPT_IMPDEF 6
1218 #define OPT_M32 32
1219 #define OPT_M64 64
1220
1221 /* ------------ tccpp.c ------------ */
1222
1223 ST_DATA struct BufferedFile *file;
1224 ST_DATA int ch, tok;
1225 ST_DATA CValue tokc;
1226 ST_DATA const int *macro_ptr;
1227 ST_DATA int parse_flags;
1228 ST_DATA int tok_flags;
1229 ST_DATA CString tokcstr; /* current parsed string, if any */
1230
1231 /* display benchmark infos */
1232 ST_DATA int total_lines;
1233 ST_DATA int total_bytes;
1234 ST_DATA int tok_ident;
1235 ST_DATA TokenSym **table_ident;
1236
1237 #define TOK_FLAG_BOL 0x0001 /* beginning of line before */
1238 #define TOK_FLAG_BOF 0x0002 /* beginning of file before */
1239 #define TOK_FLAG_ENDIF 0x0004 /* a endif was found matching starting #ifdef */
1240 #define TOK_FLAG_EOF 0x0008 /* end of file */
1241
1242 #define PARSE_FLAG_PREPROCESS 0x0001 /* activate preprocessing */
1243 #define PARSE_FLAG_TOK_NUM 0x0002 /* return numbers instead of TOK_PPNUM */
1244 #define PARSE_FLAG_LINEFEED 0x0004 /* line feed is returned as a
1245 token. line feed is also
1246 returned at eof */
1247 #define PARSE_FLAG_ASM_FILE 0x0008 /* we processing an asm file: '#' can be used for line comment, etc. */
1248 #define PARSE_FLAG_SPACES 0x0010 /* next() returns space tokens (for -E) */
1249 #define PARSE_FLAG_ACCEPT_STRAYS 0x0020 /* next() returns '\\' token */
1250 #define PARSE_FLAG_TOK_STR 0x0040 /* return parsed strings instead of TOK_PPSTR */
1251
1252 /* isidnum_table flags: */
1253 #define IS_SPC 1
1254 #define IS_ID 2
1255 #define IS_NUM 4
1256
1257 ST_FUNC TokenSym *tok_alloc(const char *str, int len);
1258 ST_FUNC const char *get_tok_str(int v, CValue *cv);
1259 ST_FUNC void begin_macro(TokenString *str, int alloc);
1260 ST_FUNC void end_macro(void);
1261 ST_FUNC int set_idnum(int c, int val);
1262 ST_INLN void tok_str_new(TokenString *s);
1263 ST_FUNC TokenString *tok_str_alloc(void);
1264 ST_FUNC void tok_str_free(TokenString *s);
1265 ST_FUNC void tok_str_free_str(int *str);
1266 ST_FUNC void tok_str_add(TokenString *s, int t);
1267 ST_FUNC void tok_str_add_tok(TokenString *s);
1268 ST_INLN void define_push(int v, int macro_type, int *str, Sym *first_arg);
1269 ST_FUNC void define_undef(Sym *s);
1270 ST_INLN Sym *define_find(int v);
1271 ST_FUNC void free_defines(Sym *b);
1272 ST_FUNC Sym *label_find(int v);
1273 ST_FUNC Sym *label_push(Sym **ptop, int v, int flags);
1274 ST_FUNC void label_pop(Sym **ptop, Sym *slast, int keep);
1275 ST_FUNC void parse_define(void);
1276 ST_FUNC void preprocess(int is_bof);
1277 ST_FUNC void next_nomacro(void);
1278 ST_FUNC void next(void);
1279 ST_INLN void unget_tok(int last_tok);
1280 ST_FUNC void preprocess_start(TCCState *s1, int is_asm);
1281 ST_FUNC void preprocess_end(TCCState *s1);
1282 ST_FUNC void tccpp_new(TCCState *s);
1283 ST_FUNC void tccpp_delete(TCCState *s);
1284 ST_FUNC int tcc_preprocess(TCCState *s1);
1285 ST_FUNC void skip(int c);
1286 ST_FUNC NORETURN void expect(const char *msg);
1287
1288 /* space excluding newline */
1289 static inline int is_space(int ch) {
1290 return ch == ' ' || ch == '\t' || ch == '\v' || ch == '\f' || ch == '\r';
1291 }
1292 static inline int isid(int c) {
1293 return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || c == '_';
1294 }
1295 static inline int isnum(int c) {
1296 return c >= '0' && c <= '9';
1297 }
1298 static inline int isoct(int c) {
1299 return c >= '0' && c <= '7';
1300 }
1301 static inline int toup(int c) {
1302 return (c >= 'a' && c <= 'z') ? c - 'a' + 'A' : c;
1303 }
1304
1305 /* ------------ tccgen.c ------------ */
1306
1307 #define SYM_POOL_NB (8192 / sizeof(Sym))
1308 ST_DATA Sym *sym_free_first;
1309 ST_DATA void **sym_pools;
1310 ST_DATA int nb_sym_pools;
1311
1312 ST_DATA Sym *global_stack;
1313 ST_DATA Sym *local_stack;
1314 ST_DATA Sym *local_label_stack;
1315 ST_DATA Sym *global_label_stack;
1316 ST_DATA Sym *define_stack;
1317 ST_DATA CType char_pointer_type, func_old_type, int_type, size_type;
1318 ST_DATA SValue __vstack[1+/*to make bcheck happy*/ VSTACK_SIZE], *vtop, *pvtop;
1319 #define vstack (__vstack + 1)
1320 ST_DATA int rsym, anon_sym, ind, loc;
1321
1322 ST_DATA int const_wanted; /* true if constant wanted */
1323 ST_DATA int nocode_wanted; /* true if no code generation wanted for an expression */
1324 ST_DATA int global_expr; /* true if compound literals must be allocated globally (used during initializers parsing */
1325 ST_DATA CType func_vt; /* current function return type (used by return instruction) */
1326 ST_DATA int func_var; /* true if current function is variadic */
1327 ST_DATA int func_vc;
1328 ST_DATA int last_line_num, last_ind, func_ind; /* debug last line number and pc */
1329 ST_DATA const char *funcname;
1330 ST_DATA int g_debug;
1331
1332 ST_FUNC void tcc_debug_start(TCCState *s1);
1333 ST_FUNC void tcc_debug_end(TCCState *s1);
1334 ST_FUNC void tcc_debug_funcstart(TCCState *s1, Sym *sym);
1335 ST_FUNC void tcc_debug_funcend(TCCState *s1, int size);
1336 ST_FUNC void tcc_debug_line(TCCState *s1);
1337
1338 ST_FUNC int tccgen_compile(TCCState *s1);
1339 ST_FUNC void free_inline_functions(TCCState *s);
1340 ST_FUNC void check_vstack(void);
1341
1342 ST_INLN int is_float(int t);
1343 ST_FUNC int ieee_finite(double d);
1344 ST_FUNC void test_lvalue(void);
1345 ST_FUNC void vpushi(int v);
1346 ST_FUNC ElfSym *elfsym(Sym *);
1347 ST_FUNC void update_storage(Sym *sym);
1348 ST_FUNC Sym *external_global_sym(int v, CType *type);
1349 ST_FUNC void vset(CType *type, int r, int v);
1350 ST_FUNC void vset_VT_CMP(int op);
1351 ST_FUNC void vswap(void);
1352 ST_FUNC void vpush_global_sym(CType *type, int v);
1353 ST_FUNC void vrote(SValue *e, int n);
1354 ST_FUNC void vrott(int n);
1355 ST_FUNC void vrotb(int n);
1356 #if PTR_SIZE == 4
1357 ST_FUNC void lexpand(void);
1358 #endif
1359 #ifdef TCC_TARGET_ARM
1360 ST_FUNC int get_reg_ex(int rc, int rc2);
1361 #endif
1362 ST_FUNC void vpushv(SValue *v);
1363 ST_FUNC void save_reg(int r);
1364 ST_FUNC void save_reg_upstack(int r, int n);
1365 ST_FUNC int get_reg(int rc);
1366 ST_FUNC void save_regs(int n);
1367 ST_FUNC void gaddrof(void);
1368 ST_FUNC int gv(int rc);
1369 ST_FUNC void gv2(int rc1, int rc2);
1370 ST_FUNC void vpop(void);
1371 ST_FUNC void gen_op(int op);
1372 ST_FUNC int type_size(CType *type, int *a);
1373 ST_FUNC void mk_pointer(CType *type);
1374 ST_FUNC void vstore(void);
1375 ST_FUNC void inc(int post, int c);
1376 ST_FUNC void parse_mult_str (CString *astr, const char *msg);
1377 ST_FUNC void parse_asm_str(CString *astr);
1378 ST_FUNC int lvalue_type(int t);
1379 ST_FUNC void indir(void);
1380 ST_FUNC void unary(void);
1381 ST_FUNC void expr_prod(void);
1382 ST_FUNC void expr_sum(void);
1383 ST_FUNC void gexpr(void);
1384 ST_FUNC int expr_const(void);
1385 #if defined CONFIG_TCC_BCHECK || defined TCC_TARGET_C67
1386 ST_FUNC Sym *get_sym_ref(CType *type, Section *sec, unsigned long offset, unsigned long size);
1387 #endif
1388 #if defined TCC_TARGET_X86_64 && !defined TCC_TARGET_PE
1389 ST_FUNC int classify_x86_64_va_arg(CType *ty);
1390 #endif
1391
1392 /* ------------ tccelf.c ------------ */
1393
1394 #define TCC_OUTPUT_FORMAT_ELF 0 /* default output format: ELF */
1395 #define TCC_OUTPUT_FORMAT_BINARY 1 /* binary image output */
1396 #define TCC_OUTPUT_FORMAT_COFF 2 /* COFF */
1397
1398 #define ARMAG "!<arch>\012" /* For COFF and a.out archives */
1399
1400 typedef struct {
1401 unsigned int n_strx; /* index into string table of name */
1402 unsigned char n_type; /* type of symbol */
1403 unsigned char n_other; /* misc info (usually empty) */
1404 unsigned short n_desc; /* description field */
1405 unsigned int n_value; /* value of symbol */
1406 } Stab_Sym;
1407
1408 ST_DATA Section *text_section, *data_section, *bss_section; /* predefined sections */
1409 ST_DATA Section *common_section;
1410 ST_DATA Section *cur_text_section; /* current section where function code is generated */
1411 #ifdef CONFIG_TCC_ASM
1412 ST_DATA Section *last_text_section; /* to handle .previous asm directive */
1413 #endif
1414 #ifdef CONFIG_TCC_BCHECK
1415 /* bound check related sections */
1416 ST_DATA Section *bounds_section; /* contains global data bound description */
1417 ST_DATA Section *lbounds_section; /* contains local data bound description */
1418 ST_FUNC void tccelf_bounds_new(TCCState *s);
1419 #endif
1420 /* symbol sections */
1421 ST_DATA Section *symtab_section;
1422 /* debug sections */
1423 ST_DATA Section *stab_section, *stabstr_section;
1424
1425 ST_FUNC void tccelf_new(TCCState *s);
1426 ST_FUNC void tccelf_delete(TCCState *s);
1427 ST_FUNC void tccelf_stab_new(TCCState *s);
1428 ST_FUNC void tccelf_begin_file(TCCState *s1);
1429 ST_FUNC void tccelf_end_file(TCCState *s1);
1430
1431 ST_FUNC Section *new_section(TCCState *s1, const char *name, int sh_type, int sh_flags);
1432 ST_FUNC void section_realloc(Section *sec, unsigned long new_size);
1433 ST_FUNC size_t section_add(Section *sec, addr_t size, int align);
1434 ST_FUNC void *section_ptr_add(Section *sec, addr_t size);
1435 ST_FUNC void section_reserve(Section *sec, unsigned long size);
1436 ST_FUNC Section *find_section(TCCState *s1, const char *name);
1437 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);
1438
1439 ST_FUNC void put_extern_sym2(Sym *sym, int sh_num, addr_t value, unsigned long size, int can_add_underscore);
1440 ST_FUNC void put_extern_sym(Sym *sym, Section *section, addr_t value, unsigned long size);
1441 #if PTR_SIZE == 4
1442 ST_FUNC void greloc(Section *s, Sym *sym, unsigned long offset, int type);
1443 #endif
1444 ST_FUNC void greloca(Section *s, Sym *sym, unsigned long offset, int type, addr_t addend);
1445
1446 ST_FUNC int put_elf_str(Section *s, const char *sym);
1447 ST_FUNC int put_elf_sym(Section *s, addr_t value, unsigned long size, int info, int other, int shndx, const char *name);
1448 ST_FUNC int set_elf_sym(Section *s, addr_t value, unsigned long size, int info, int other, int shndx, const char *name);
1449 ST_FUNC int find_elf_sym(Section *s, const char *name);
1450 ST_FUNC void put_elf_reloc(Section *symtab, Section *s, unsigned long offset, int type, int symbol);
1451 ST_FUNC void put_elf_reloca(Section *symtab, Section *s, unsigned long offset, int type, int symbol, addr_t addend);
1452
1453 ST_FUNC void put_stabs(const char *str, int type, int other, int desc, unsigned long value);
1454 ST_FUNC void put_stabs_r(const char *str, int type, int other, int desc, unsigned long value, Section *sec, int sym_index);
1455 ST_FUNC void put_stabn(int type, int other, int desc, int value);
1456 ST_FUNC void put_stabd(int type, int other, int desc);
1457
1458 ST_FUNC void resolve_common_syms(TCCState *s1);
1459 ST_FUNC void relocate_syms(TCCState *s1, Section *symtab, int do_resolve);
1460 ST_FUNC void relocate_section(TCCState *s1, Section *s);
1461
1462 ST_FUNC int tcc_object_type(int fd, ElfW(Ehdr) *h);
1463 ST_FUNC int tcc_load_object_file(TCCState *s1, int fd, unsigned long file_offset);
1464 ST_FUNC int tcc_load_archive(TCCState *s1, int fd, int alacarte);
1465 ST_FUNC void tcc_add_bcheck(TCCState *s1);
1466 ST_FUNC void tcc_add_runtime(TCCState *s1);
1467
1468 ST_FUNC void build_got_entries(TCCState *s1);
1469 ST_FUNC struct sym_attr *get_sym_attr(TCCState *s1, int index, int alloc);
1470 ST_FUNC void squeeze_multi_relocs(Section *sec, size_t oldrelocoffset);
1471
1472 ST_FUNC addr_t get_elf_sym_addr(TCCState *s, const char *name, int err);
1473 #if defined TCC_IS_NATIVE || defined TCC_TARGET_PE
1474 ST_FUNC void *tcc_get_symbol_err(TCCState *s, const char *name);
1475 #endif
1476
1477 #ifndef TCC_TARGET_PE
1478 ST_FUNC int tcc_load_dll(TCCState *s1, int fd, const char *filename, int level);
1479 ST_FUNC int tcc_load_ldscript(TCCState *s1);
1480 ST_FUNC uint8_t *parse_comment(uint8_t *p);
1481 ST_FUNC void minp(void);
1482 ST_INLN void inp(void);
1483 ST_FUNC int handle_eob(void);
1484 #endif
1485
1486 /* ------------ xxx-link.c ------------ */
1487
1488 /* Whether to generate a GOT/PLT entry and when. NO_GOTPLT_ENTRY is first so
1489 that unknown relocation don't create a GOT or PLT entry */
1490 enum gotplt_entry {
1491 NO_GOTPLT_ENTRY, /* never generate (eg. GLOB_DAT & JMP_SLOT relocs) */
1492 BUILD_GOT_ONLY, /* only build GOT (eg. TPOFF relocs) */
1493 AUTO_GOTPLT_ENTRY, /* generate if sym is UNDEF */
1494 ALWAYS_GOTPLT_ENTRY /* always generate (eg. PLTOFF relocs) */
1495 };
1496
1497 ST_FUNC int code_reloc (int reloc_type);
1498 ST_FUNC int gotplt_entry_type (int reloc_type);
1499 ST_FUNC unsigned create_plt_entry(TCCState *s1, unsigned got_offset, struct sym_attr *attr);
1500 ST_FUNC void relocate_init(Section *sr);
1501 ST_FUNC void relocate(TCCState *s1, ElfW_Rel *rel, int type, unsigned char *ptr, addr_t addr, addr_t val);
1502 ST_FUNC void relocate_plt(TCCState *s1);
1503
1504 /* ------------ xxx-gen.c ------------ */
1505
1506 ST_DATA const int reg_classes[NB_REGS];
1507
1508 ST_FUNC void gsym_addr(int t, int a);
1509 ST_FUNC void gsym(int t);
1510 ST_FUNC void load(int r, SValue *sv);
1511 ST_FUNC void store(int r, SValue *v);
1512 ST_FUNC int gfunc_sret(CType *vt, int variadic, CType *ret, int *align, int *regsize);
1513 ST_FUNC void gfunc_call(int nb_args);
1514 ST_FUNC void gfunc_prolog(CType *func_type);
1515 ST_FUNC void gfunc_epilog(void);
1516 ST_FUNC void gen_fill_nops(int);
1517 ST_FUNC int gjmp(int t);
1518 ST_FUNC void gjmp_addr(int a);
1519 ST_FUNC int gjmp_cond(int op, int t);
1520 ST_FUNC int gjmp_append(int n, int t);
1521 ST_FUNC void gen_opi(int op);
1522 ST_FUNC void gen_opf(int op);
1523 ST_FUNC void gen_cvt_ftoi(int t);
1524 ST_FUNC void gen_cvt_ftof(int t);
1525 ST_FUNC void ggoto(void);
1526 #ifndef TCC_TARGET_C67
1527 ST_FUNC void o(unsigned int c);
1528 #endif
1529 #ifndef TCC_TARGET_ARM
1530 ST_FUNC void gen_cvt_itof(int t);
1531 #endif
1532 ST_FUNC void gen_vla_sp_save(int addr);
1533 ST_FUNC void gen_vla_sp_restore(int addr);
1534 ST_FUNC void gen_vla_alloc(CType *type, int align);
1535
1536 static inline uint16_t read16le(unsigned char *p) {
1537 return p[0] | (uint16_t)p[1] << 8;
1538 }
1539 static inline void write16le(unsigned char *p, uint16_t x) {
1540 p[0] = x & 255; p[1] = x >> 8 & 255;
1541 }
1542 static inline uint32_t read32le(unsigned char *p) {
1543 return read16le(p) | (uint32_t)read16le(p + 2) << 16;
1544 }
1545 static inline void write32le(unsigned char *p, uint32_t x) {
1546 write16le(p, x); write16le(p + 2, x >> 16);
1547 }
1548 static inline void add32le(unsigned char *p, int32_t x) {
1549 write32le(p, read32le(p) + x);
1550 }
1551 static inline uint64_t read64le(unsigned char *p) {
1552 return read32le(p) | (uint64_t)read32le(p + 4) << 32;
1553 }
1554 static inline void write64le(unsigned char *p, uint64_t x) {
1555 write32le(p, x); write32le(p + 4, x >> 32);
1556 }
1557 static inline void add64le(unsigned char *p, int64_t x) {
1558 write64le(p, read64le(p) + x);
1559 }
1560
1561 /* ------------ i386-gen.c ------------ */
1562 #if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
1563 ST_FUNC void g(int c);
1564 ST_FUNC void gen_le16(int c);
1565 ST_FUNC void gen_le32(int c);
1566 ST_FUNC void gen_addr32(int r, Sym *sym, int c);
1567 ST_FUNC void gen_addrpc32(int r, Sym *sym, int c);
1568 #endif
1569
1570 #ifdef CONFIG_TCC_BCHECK
1571 ST_FUNC void gen_bounded_ptr_add(void);
1572 ST_FUNC void gen_bounded_ptr_deref(void);
1573 #endif
1574
1575 /* ------------ x86_64-gen.c ------------ */
1576 #ifdef TCC_TARGET_X86_64
1577 ST_FUNC void gen_addr64(int r, Sym *sym, int64_t c);
1578 ST_FUNC void gen_opl(int op);
1579 #ifdef TCC_TARGET_PE
1580 ST_FUNC void gen_vla_result(int addr);
1581 #endif
1582 #endif
1583
1584 /* ------------ arm-gen.c ------------ */
1585 #ifdef TCC_TARGET_ARM
1586 #if defined(TCC_ARM_EABI) && !defined(CONFIG_TCC_ELFINTERP)
1587 PUB_FUNC const char *default_elfinterp(struct TCCState *s);
1588 #endif
1589 ST_FUNC void arm_init(struct TCCState *s);
1590 ST_FUNC void gen_cvt_itof1(int t);
1591 #endif
1592
1593 /* ------------ arm64-gen.c ------------ */
1594 #ifdef TCC_TARGET_ARM64
1595 ST_FUNC void gen_cvt_sxtw(void);
1596 ST_FUNC void gen_opl(int op);
1597 ST_FUNC void gfunc_return(CType *func_type);
1598 ST_FUNC void gen_va_start(void);
1599 ST_FUNC void gen_va_arg(CType *t);
1600 ST_FUNC void gen_clear_cache(void);
1601 #endif
1602
1603 /* ------------ riscv64-gen.c ------------ */
1604 #ifdef TCC_TARGET_RISCV64
1605 ST_FUNC void gen_cvt_sxtw(void);
1606 ST_FUNC void gen_opl(int op);
1607 ST_FUNC void gfunc_return(CType *func_type);
1608 ST_FUNC void gen_va_start(void);
1609 ST_FUNC void gen_va_arg(CType *t);
1610 #endif
1611 /* ------------ c67-gen.c ------------ */
1612 #ifdef TCC_TARGET_C67
1613 #endif
1614
1615 /* ------------ tcccoff.c ------------ */
1616
1617 #ifdef TCC_TARGET_COFF
1618 ST_FUNC int tcc_output_coff(TCCState *s1, FILE *f);
1619 ST_FUNC int tcc_load_coff(TCCState * s1, int fd);
1620 #endif
1621
1622 /* ------------ tccasm.c ------------ */
1623 ST_FUNC void asm_instr(void);
1624 ST_FUNC void asm_global_instr(void);
1625 #ifdef CONFIG_TCC_ASM
1626 ST_FUNC int find_constraint(ASMOperand *operands, int nb_operands, const char *name, const char **pp);
1627 ST_FUNC Sym* get_asm_sym(int name, Sym *csym);
1628 ST_FUNC void asm_expr(TCCState *s1, ExprValue *pe);
1629 ST_FUNC int asm_int_expr(TCCState *s1);
1630 ST_FUNC int tcc_assemble(TCCState *s1, int do_preprocess);
1631 /* ------------ i386-asm.c ------------ */
1632 ST_FUNC void gen_expr32(ExprValue *pe);
1633 #ifdef TCC_TARGET_X86_64
1634 ST_FUNC void gen_expr64(ExprValue *pe);
1635 #endif
1636 ST_FUNC void asm_opcode(TCCState *s1, int opcode);
1637 ST_FUNC int asm_parse_regvar(int t);
1638 ST_FUNC void asm_compute_constraints(ASMOperand *operands, int nb_operands, int nb_outputs, const uint8_t *clobber_regs, int *pout_reg);
1639 ST_FUNC void subst_asm_operand(CString *add_str, SValue *sv, int modifier);
1640 ST_FUNC void asm_gen_code(ASMOperand *operands, int nb_operands, int nb_outputs, int is_output, uint8_t *clobber_regs, int out_reg);
1641 ST_FUNC void asm_clobber(uint8_t *clobber_regs, const char *str);
1642 #endif
1643
1644 /* ------------ tccpe.c -------------- */
1645 #ifdef TCC_TARGET_PE
1646 ST_FUNC int pe_load_file(struct TCCState *s1, const char *filename, int fd);
1647 ST_FUNC int pe_output_file(TCCState * s1, const char *filename);
1648 ST_FUNC int pe_putimport(TCCState *s1, int dllindex, const char *name, addr_t value);
1649 #if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
1650 ST_FUNC SValue *pe_getimport(SValue *sv, SValue *v2);
1651 #endif
1652 #ifdef TCC_TARGET_X86_64
1653 ST_FUNC void pe_add_unwind_data(unsigned start, unsigned end, unsigned stack);
1654 #endif
1655 PUB_FUNC int tcc_get_dllexports(const char *filename, char **pp);
1656 /* symbol properties stored in Elf32_Sym->st_other */
1657 # define ST_PE_EXPORT 0x10
1658 # define ST_PE_IMPORT 0x20
1659 # define ST_PE_STDCALL 0x40
1660 #endif
1661 #define ST_ASM_SET 0x04
1662
1663 /* ------------ tccrun.c ----------------- */
1664 #ifdef TCC_IS_NATIVE
1665 #ifdef CONFIG_TCC_STATIC
1666 #define RTLD_LAZY 0x001
1667 #define RTLD_NOW 0x002
1668 #define RTLD_GLOBAL 0x100
1669 #define RTLD_DEFAULT NULL
1670 /* dummy function for profiling */
1671 ST_FUNC void *dlopen(const char *filename, int flag);
1672 ST_FUNC void dlclose(void *p);
1673 ST_FUNC const char *dlerror(void);
1674 ST_FUNC void *dlsym(void *handle, const char *symbol);
1675 #endif
1676 #ifdef CONFIG_TCC_BACKTRACE
1677 ST_DATA int rt_num_callers;
1678 ST_DATA const char **rt_bound_error_msg;
1679 ST_DATA void *rt_prog_main;
1680 ST_FUNC void tcc_set_num_callers(int n);
1681 #endif
1682 ST_FUNC void tcc_run_free(TCCState *s1);
1683 #endif
1684
1685 /* ------------ tcctools.c ----------------- */
1686 #if 0 /* included in tcc.c */
1687 ST_FUNC int tcc_tool_ar(TCCState *s, int argc, char **argv);
1688 #ifdef TCC_TARGET_PE
1689 ST_FUNC int tcc_tool_impdef(TCCState *s, int argc, char **argv);
1690 #endif
1691 ST_FUNC void tcc_tool_cross(TCCState *s, char **argv, int option);
1692 ST_FUNC void gen_makedeps(TCCState *s, const char *target, const char *filename);
1693 #endif
1694
1695 /********************************************************/
1696 #undef ST_DATA
1697 #if ONE_SOURCE
1698 #define ST_DATA static
1699 #else
1700 #define ST_DATA
1701 #endif
1702 /********************************************************/
1703 #endif /* _TCC_H */
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