tcc.h

   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
  47 #else /* on _WIN32: */
  48 # include <windows.h>
  49 # include <io.h> /* open, close etc. */
  50 # include <direct.h> /* getcwd */
  51 # ifdef __GNUC__
  52 #  include <stdint.h>
  53 # endif
  54 # define inline __inline
  55 # define inp next_inp /* inp is an intrinsic on msvc */
  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 # ifdef _MSC_VER
  69 #  pragma warning (disable : 4244)  // conversion from 'uint64_t' to 'int', possible loss of data
  70 #  pragma warning (disable : 4267)  // conversion from 'size_t' to 'int', possible loss of data
  71 #  pragma warning (disable : 4996)  // The POSIX name for this item is deprecated. Instead, use the ISO C and C++ conformant name
  72 #  pragma warning (disable : 4018)  // signed/unsigned mismatch
  73 #  pragma warning (disable : 4146)  // unary minus operator applied to unsigned type, result still unsigned
  74 #  define ssize_t intptr_t
  75 #  define __attribute__(x) __declspec x
  76 #  define aligned align
  77 # else
  78 # endif
  79 # undef CONFIG_TCC_STATIC
  80 #endif
  81
  82 #ifndef O_BINARY
  83 # define O_BINARY 0
  84 #endif
  85
  86 #ifdef __GNUC__
  87 # define NORETURN __attribute__ ((noreturn))
  88 #elif defined _MSC_VER
  89 # define NORETURN __declspec(noreturn)
  90 #else
  91 # define NORETURN
  92 #endif
  93
  94 #ifdef _WIN32
  95 # define IS_DIRSEP(c) (c == '/' || c == '\\')
  96 # define IS_ABSPATH(p) (IS_DIRSEP(p[0]) || (p[0] && p[1] == ':' && IS_DIRSEP(p[2])))
  97 # define PATHCMP stricmp
  98 #else
  99 # define IS_DIRSEP(c) (c == '/')
 100 # define IS_ABSPATH(p) IS_DIRSEP(p[0])
 101 # define PATHCMP strcmp
 102 #endif
 103
 104 #ifdef TCC_TARGET_PE
 105 #define PATHSEP ';'
 106 #else
 107 #define PATHSEP ':'
 108 #endif
 109
 110 /* -------------------------------------------- */
 111
 112 /* parser debug */
 113 /* #define PARSE_DEBUG */
 114 /* preprocessor debug */
 115 /* #define PP_DEBUG */
 116 /* include file debug */
 117 /* #define INC_DEBUG */
 118 /* memory leak debug */
 119 /* #define MEM_DEBUG */
 120 /* assembler debug */
 121 /* #define ASM_DEBUG */
 122
 123 /* target selection */
 124 /* #define TCC_TARGET_I386   *//* i386 code generator */
 125 /* #define TCC_TARGET_ARM    *//* ARMv4 code generator */
 126 /* #define TCC_TARGET_ARM64  *//* ARMv8 code generator */
 127 /* #define TCC_TARGET_C67    *//* TMS320C67xx code generator */
 128 /* #define TCC_TARGET_X86_64 *//* x86-64 code generator */
 129
 130 /* default target is I386 */
 131 #if !defined(TCC_TARGET_I386) && !defined(TCC_TARGET_ARM) && \
 132     !defined(TCC_TARGET_ARM64) && !defined(TCC_TARGET_C67) && \
 133     !defined(TCC_TARGET_X86_64)
 134 #define TCC_TARGET_I386
 135 #endif
 136
 137 #if !defined(TCC_UCLIBC) && !defined(TCC_TARGET_ARM) && \
 138     !defined(TCC_TARGET_ARM64) && !defined(TCC_TARGET_C67) && \
 139     !defined(CONFIG_USE_LIBGCC)
 140 #define CONFIG_TCC_BCHECK /* enable bound checking code */
 141 #endif
 142
 143 /* define it to include assembler support */
 144 #if !defined(TCC_TARGET_ARM) && !defined(TCC_TARGET_ARM64) && \
 145     !defined(TCC_TARGET_C67)
 146 #define CONFIG_TCC_ASM
 147 #endif
 148
 149 /* object format selection */
 150 #if defined(TCC_TARGET_C67)
 151 #define TCC_TARGET_COFF
 152 #endif
 153
 154 /* only native compiler supports -run */
 155 #if defined _WIN32 == defined TCC_TARGET_PE
 156 # if (defined __i386__ || defined _X86_) && defined TCC_TARGET_I386
 157 #  define TCC_IS_NATIVE
 158 # elif (defined __x86_64__ || defined _AMD64_) && defined TCC_TARGET_X86_64
 159 #  define TCC_IS_NATIVE
 160 # elif defined __arm__ && defined TCC_TARGET_ARM
 161 #  define TCC_IS_NATIVE
 162 # elif defined __aarch64__ && defined TCC_TARGET_ARM64
 163 #  define TCC_IS_NATIVE
 164 # endif
 165 #endif
 166
 167 #if defined TCC_IS_NATIVE && !defined CONFIG_TCCBOOT
 168 # define CONFIG_TCC_BACKTRACE
 169 #endif
 170
 171 /* ------------ path configuration ------------ */
 172
 173 #ifndef CONFIG_SYSROOT
 174 # define CONFIG_SYSROOT ""
 175 #endif
 176 #ifndef CONFIG_TCCDIR
 177 # define CONFIG_TCCDIR "."
 178 #endif
 179 #ifndef CONFIG_LDDIR
 180 # define CONFIG_LDDIR "lib"
 181 #endif
 182 #ifdef CONFIG_TRIPLET
 183 # define USE_TRIPLET(s) s "/" CONFIG_TRIPLET
 184 # define ALSO_TRIPLET(s) USE_TRIPLET(s) ":" s
 185 #else
 186 # define USE_TRIPLET(s) s
 187 # define ALSO_TRIPLET(s) s
 188 #endif
 189
 190 /* path to find crt1.o, crti.o and crtn.o */
 191 #ifndef CONFIG_TCC_CRTPREFIX
 192 # define CONFIG_TCC_CRTPREFIX USE_TRIPLET(CONFIG_SYSROOT "/usr/" CONFIG_LDDIR)
 193 #endif
 194
 195 /* Below: {B} is substituted by CONFIG_TCCDIR (rsp. -B option) */
 196
 197 /* system include paths */
 198 #ifndef CONFIG_TCC_SYSINCLUDEPATHS
 199 # ifdef TCC_TARGET_PE
 200 #  define CONFIG_TCC_SYSINCLUDEPATHS "{B}/include;{B}/include/winapi"
 201 # else
 202 #  define CONFIG_TCC_SYSINCLUDEPATHS \
 203         "{B}/include" \
 204     ":" ALSO_TRIPLET(CONFIG_SYSROOT "/usr/local/include") \
 205     ":" ALSO_TRIPLET(CONFIG_SYSROOT "/usr/include")
 206 # endif
 207 #endif
 208
 209 /* library search paths */
 210 #ifndef CONFIG_TCC_LIBPATHS
 211 # ifdef TCC_TARGET_PE
 212 #  define CONFIG_TCC_LIBPATHS "{B}/lib"
 213 # else
 214 #  define CONFIG_TCC_LIBPATHS \
 215         ALSO_TRIPLET(CONFIG_SYSROOT "/usr/" CONFIG_LDDIR) \
 216     ":" ALSO_TRIPLET(CONFIG_SYSROOT "/" CONFIG_LDDIR) \
 217     ":" ALSO_TRIPLET(CONFIG_SYSROOT "/usr/local/" CONFIG_LDDIR)
 218 # endif
 219 #endif
 220
 221 /* name of ELF interpreter */
 222 #ifndef CONFIG_TCC_ELFINTERP
 223 # if defined __FreeBSD__
 224 #  define CONFIG_TCC_ELFINTERP "/libexec/ld-elf.so.1"
 225 # elif defined __FreeBSD_kernel__
 226 #  if defined(TCC_TARGET_X86_64)
 227 #   define CONFIG_TCC_ELFINTERP "/lib/ld-kfreebsd-x86-64.so.1"
 228 #  else
 229 #   define CONFIG_TCC_ELFINTERP "/lib/ld.so.1"
 230 #  endif
 231 # elif defined __DragonFly__
 232 #  define CONFIG_TCC_ELFINTERP "/usr/libexec/ld-elf.so.2"
 233 # elif defined __NetBSD__
 234 #  define CONFIG_TCC_ELFINTERP "/usr/libexec/ld.elf_so"
 235 # elif defined __GNU__
 236 #  define CONFIG_TCC_ELFINTERP "/lib/ld.so"
 237 # elif defined(TCC_TARGET_PE)
 238 #  define CONFIG_TCC_ELFINTERP "-"
 239 # elif defined(TCC_UCLIBC)
 240 #  define CONFIG_TCC_ELFINTERP "/lib/ld-uClibc.so.0" /* is there a uClibc for x86_64 ? */
 241 # elif defined TCC_TARGET_ARM64
 242 #  define CONFIG_TCC_ELFINTERP "/lib/ld-linux-aarch64.so.1"
 243 # elif defined(TCC_TARGET_X86_64)
 244 #  define CONFIG_TCC_ELFINTERP "/lib64/ld-linux-x86-64.so.2"
 245 # elif !defined(TCC_ARM_EABI)
 246 #  define CONFIG_TCC_ELFINTERP "/lib/ld-linux.so.2"
 247 # endif
 248 #endif
 249
 250 /* var elf_interp dans *-gen.c */
 251 #ifdef CONFIG_TCC_ELFINTERP
 252 # define DEFAULT_ELFINTERP(s) CONFIG_TCC_ELFINTERP
 253 #else
 254 # define DEFAULT_ELFINTERP(s) default_elfinterp(s)
 255 #endif
 256
 257 /* (target specific) libtcc1.a */
 258 #ifndef TCC_LIBTCC1
 259 # define TCC_LIBTCC1 "libtcc1.a"
 260 #endif
 261
 262 /* library to use with CONFIG_USE_LIBGCC instead of libtcc1.a */
 263 #if defined CONFIG_USE_LIBGCC && !defined TCC_LIBGCC
 264 #define TCC_LIBGCC USE_TRIPLET(CONFIG_SYSROOT "/" CONFIG_LDDIR) "/libgcc_s.so.1"
 265 #endif
 266
 267 /* -------------------------------------------- */
 268
 269 #include "libtcc.h"
 270 #include "elf.h"
 271 #include "stab.h"
 272
 273 #if defined(TCC_TARGET_ARM64) || defined(TCC_TARGET_X86_64)
 274 # define ELFCLASSW ELFCLASS64
 275 # define ElfW(type) Elf##64##_##type
 276 # define ELFW(type) ELF##64##_##type
 277 # define ElfW_Rel ElfW(Rela)
 278 # define SHT_RELX SHT_RELA
 279 # define REL_SECTION_FMT ".rela%s"
 280 #else
 281 # define ELFCLASSW ELFCLASS32
 282 # define ElfW(type) Elf##32##_##type
 283 # define ELFW(type) ELF##32##_##type
 284 # define ElfW_Rel ElfW(Rel)
 285 # define SHT_RELX SHT_REL
 286 # define REL_SECTION_FMT ".rel%s"
 287 #endif
 288 /* target address type */
 289 #define addr_t ElfW(Addr)
 290
 291 /* -------------------------------------------- */
 292
 293 #ifndef PUB_FUNC /* functions used by tcc.c but not in libtcc.h */
 294 # define PUB_FUNC
 295 #endif
 296
 297 #ifdef ONE_SOURCE
 298 #define ST_INLN static inline
 299 #define ST_FUNC static
 300 #define ST_DATA static
 301 #else
 302 #define ST_INLN
 303 #define ST_FUNC
 304 #define ST_DATA extern
 305 #endif
 306
 307 #ifdef TCC_PROFILE /* profile all functions */
 308 # define static
 309 #endif
 310
 311 /* -------------------------------------------- */
 312 /* include the target specific definitions */
 313
 314 #define TARGET_DEFS_ONLY
 315 #ifdef TCC_TARGET_I386
 316 # include "i386-gen.c"
 317 # include "i386-link.c"
 318 #endif
 319 #ifdef TCC_TARGET_X86_64
 320 # include "x86_64-gen.c"
 321 # include "x86_64-link.c"
 322 #endif
 323 #ifdef TCC_TARGET_ARM
 324 # include "arm-gen.c"
 325 # include "arm-link.c"
 326 #endif
 327 #ifdef TCC_TARGET_ARM64
 328 # include "arm64-gen.c"
 329 # include "arm64-link.c"
 330 #endif
 331 #ifdef TCC_TARGET_C67
 332 # include "coff.h"
 333 # include "c67-gen.c"
 334 # include "c67-link.c"
 335 #endif
 336 #undef TARGET_DEFS_ONLY
 337
 338 /* -------------------------------------------- */
 339
 340 #define INCLUDE_STACK_SIZE  32
 341 #define IFDEF_STACK_SIZE    64
 342 #define VSTACK_SIZE         256
 343 #define STRING_MAX_SIZE     1024
 344 #define TOKSTR_MAX_SIZE     256
 345 #define PACK_STACK_SIZE     8
 346
 347 #define TOK_HASH_SIZE       16384 /* must be a power of two */
 348 #define TOK_ALLOC_INCR      512  /* must be a power of two */
 349 #define TOK_MAX_SIZE        4 /* token max size in int unit when stored in string */
 350
 351 /* token symbol management */
 352 typedef struct TokenSym {
 353     struct TokenSym *hash_next;
 354     struct Sym *sym_define; /* direct pointer to define */
 355     struct Sym *sym_label; /* direct pointer to label */
 356     struct Sym *sym_struct; /* direct pointer to structure */
 357     struct Sym *sym_identifier; /* direct pointer to identifier */
 358     int tok; /* token number */
 359     int len;
 360     char str[1];
 361 } TokenSym;
 362
 363 #ifdef TCC_TARGET_PE
 364 typedef unsigned short nwchar_t;
 365 #else
 366 typedef int nwchar_t;
 367 #endif
 368
 369 typedef struct CString {
 370     int size; /* size in bytes */
 371     void *data; /* either 'char *' or 'nwchar_t *' */
 372     int size_allocated;
 373 } CString;
 374
 375 /* type definition */
 376 typedef struct CType {
 377     int t;
 378     struct Sym *ref;
 379 } CType;
 380
 381 /* constant value */
 382 typedef union CValue {
 383     long double ld;
 384     double d;
 385     float f;
 386     uint64_t i;
 387     struct {
 388         int size;
 389         const void *data;
 390     } str;
 391     int tab[LDOUBLE_SIZE/4];
 392 } CValue;
 393
 394 /* value on stack */
 395 typedef struct SValue {
 396     CType type;      /* type */
 397     unsigned short r;      /* register + flags */
 398     unsigned short r2;     /* second register, used for 'long long'
 399                               type. If not used, set to VT_CONST */
 400     CValue c;              /* constant, if VT_CONST */
 401     struct Sym *sym;       /* symbol, if (VT_SYM | VT_CONST), or if
 402                               result of unary() for an identifier. */
 403 } SValue;
 404
 405 struct Attribute {
 406     unsigned
 407         func_call     : 3, /* calling convention (0..5), see below */
 408         aligned       : 5, /* alignment as log2+1 (0 == unspecified) */
 409         packed        : 1,
 410         func_export   : 1,
 411         func_import   : 1,
 412         func_args     : 5,
 413         func_body     : 1,
 414         mode          : 4,
 415         weak          : 1,
 416         visibility    : 2,
 417         unsigned_enum : 1,
 418         fill          : 7; // 7 bits left to fit well in union below
 419 };
 420
 421 /* GNUC attribute definition */
 422 typedef struct AttributeDef {
 423     struct Attribute a;
 424     struct Section *section;
 425     int alias_target;    /* token */
 426     int asm_label;    /* associated asm label */
 427 } AttributeDef;
 428
 429 /* symbol management */
 430 typedef struct Sym {
 431     int v;    /* symbol token */
 432     union {
 433         int asm_label;    /* associated asm label */
 434         int scope;  /* scope level for locals */
 435     };
 436     union {
 437         long r;    /* associated register or VT_CONST/VT_LOCAL and LVAL type */
 438         struct Attribute a;
 439     };
 440     union {
 441         long c;    /* associated number */
 442         int *d;   /* define token stream */
 443     };
 444     CType type;    /* associated type */
 445     union {
 446         struct Sym *next; /* next related symbol (for fields and anoms) */
 447         long jnext; /* next jump label */
 448     };
 449     struct Sym *prev; /* prev symbol in stack */
 450     struct Sym *prev_tok; /* previous symbol for this token */
 451 } Sym;
 452
 453 /* section definition */
 454 /* XXX: use directly ELF structure for parameters ? */
 455 /* special flag to indicate that the section should not be linked to
 456    the other ones */
 457 #define SHF_PRIVATE 0x80000000
 458
 459 /* special flag, too */
 460 #define SECTION_ABS ((void *)1)
 461
 462 typedef struct Section {
 463     unsigned long data_offset; /* current data offset */
 464     unsigned char *data;       /* section data */
 465     unsigned long data_allocated; /* used for realloc() handling */
 466     int sh_name;             /* elf section name (only used during output) */
 467     int sh_num;              /* elf section number */
 468     int sh_type;             /* elf section type */
 469     int sh_flags;            /* elf section flags */
 470     int sh_info;             /* elf section info */
 471     int sh_addralign;        /* elf section alignment */
 472     int sh_entsize;          /* elf entry size */
 473     unsigned long sh_size;   /* section size (only used during output) */
 474     addr_t sh_addr;          /* address at which the section is relocated */
 475     unsigned long sh_offset; /* file offset */
 476     int nb_hashed_syms;      /* used to resize the hash table */
 477     struct Section *link;    /* link to another section */
 478     struct Section *reloc;   /* corresponding section for relocation, if any */
 479     struct Section *hash;    /* hash table for symbols */
 480     struct Section *prev;    /* previous section on section stack */
 481     char name[1];           /* section name */
 482 } Section;
 483
 484 typedef struct DLLReference {
 485     int level;
 486     void *handle;
 487     char name[1];
 488 } DLLReference;
 489
 490 /* -------------------------------------------------- */
 491
 492 #define SYM_STRUCT     0x40000000 /* struct/union/enum symbol space */
 493 #define SYM_FIELD      0x20000000 /* struct/union field symbol space */
 494 #define SYM_FIRST_ANOM 0x10000000 /* first anonymous sym */
 495
 496 /* stored in 'Sym.c' field */
 497 #define FUNC_NEW       1 /* ansi function prototype */
 498 #define FUNC_OLD       2 /* old function prototype */
 499 #define FUNC_ELLIPSIS  3 /* ansi function prototype with ... */
 500
 501 /* stored in 'Sym.r' field */
 502 #define FUNC_CDECL     0 /* standard c call */
 503 #define FUNC_STDCALL   1 /* pascal c call */
 504 #define FUNC_FASTCALL1 2 /* first param in %eax */
 505 #define FUNC_FASTCALL2 3 /* first parameters in %eax, %edx */
 506 #define FUNC_FASTCALL3 4 /* first parameter in %eax, %edx, %ecx */
 507 #define FUNC_FASTCALLW 5 /* first parameter in %ecx, %edx */
 508
 509 /* field 'Sym.t' for macros */
 510 #define MACRO_OBJ      0 /* object like macro */
 511 #define MACRO_FUNC     1 /* function like macro */
 512
 513 /* field 'Sym.r' for C labels */
 514 #define LABEL_DEFINED  0 /* label is defined */
 515 #define LABEL_FORWARD  1 /* label is forward defined */
 516 #define LABEL_DECLARED 2 /* label is declared but never used */
 517
 518 /* type_decl() types */
 519 #define TYPE_ABSTRACT  1 /* type without variable */
 520 #define TYPE_DIRECT    2 /* type with variable */
 521
 522 #define IO_BUF_SIZE 8192
 523
 524 typedef struct BufferedFile {
 525     uint8_t *buf_ptr;
 526     uint8_t *buf_end;
 527     int fd;
 528     struct BufferedFile *prev;
 529     int line_num;    /* current line number - here to simplify code */
 530     int line_ref;    /* tcc -E: last printed line */
 531     int ifndef_macro;  /* #ifndef macro / #endif search */
 532     int ifndef_macro_saved; /* saved ifndef_macro */
 533     int *ifdef_stack_ptr; /* ifdef_stack value at the start of the file */
 534     int include_next_index; /* next search path */
 535     char filename[1024];    /* filename */
 536     unsigned char unget[4];
 537     unsigned char buffer[1]; /* extra size for CH_EOB char */
 538 } BufferedFile;
 539
 540 #define CH_EOB   '\\'       /* end of buffer or '\0' char in file */
 541 #define CH_EOF   (-1)   /* end of file */
 542
 543 /* parsing state (used to save parser state to reparse part of the
 544    source several times) */
 545 typedef struct ParseState {
 546     const int *macro_ptr;
 547     int line_num;
 548     int tok;
 549     CValue tokc;
 550 } ParseState;
 551
 552 /* used to record tokens */
 553 typedef struct TokenString {
 554     int *str;
 555     int len;
 556     int allocated_len;
 557     int last_line_num;
 558     /* used to chain token-strings with begin/end_macro() */
 559     struct TokenString *prev;
 560     const int *prev_ptr;
 561     char alloc;
 562 } TokenString;
 563
 564 /* inline functions */
 565 typedef struct InlineFunc {
 566     TokenString *func_str;
 567     Sym *sym;
 568     char filename[1];
 569 } InlineFunc;
 570
 571 /* include file cache, used to find files faster and also to eliminate
 572    inclusion if the include file is protected by #ifndef ... #endif */
 573 typedef struct CachedInclude {
 574     int ifndef_macro;
 575     int once;
 576     int hash_next; /* -1 if none */
 577     char filename[1]; /* path specified in #include */
 578 } CachedInclude;
 579
 580 #define CACHED_INCLUDES_HASH_SIZE 32
 581
 582 #ifdef CONFIG_TCC_ASM
 583 typedef struct ExprValue {
 584     uint64_t v;
 585     Sym *sym;
 586     int pcrel;
 587 } ExprValue;
 588
 589 #define MAX_ASM_OPERANDS 30
 590 typedef struct ASMOperand {
 591     int id; /* GCC 3 optionnal identifier (0 if number only supported */
 592     char *constraint;
 593     char asm_str[16]; /* computed asm string for operand */
 594     SValue *vt; /* C value of the expression */
 595     int ref_index; /* if >= 0, gives reference to a output constraint */
 596     int input_index; /* if >= 0, gives reference to an input constraint */
 597     int priority; /* priority, used to assign registers */
 598     int reg; /* if >= 0, register number used for this operand */
 599     int is_llong; /* true if double register value */
 600     int is_memory; /* true if memory operand */
 601     int is_rw;     /* for '+' modifier */
 602 } ASMOperand;
 603 #endif
 604
 605 /* extra symbol attributes (not in symbol table) */
 606 struct sym_attr {
 607     unsigned got_offset;
 608     unsigned plt_offset;
 609     int plt_sym;
 610     int dyn_index;
 611 #ifdef TCC_TARGET_ARM
 612     unsigned char plt_thumb_stub:1;
 613 #endif
 614 };
 615
 616 struct TCCState {
 617
 618     int verbose; /* if true, display some information during compilation */
 619     int nostdinc; /* if true, no standard headers are added */
 620     int nostdlib; /* if true, no standard libraries are added */
 621     int nocommon; /* if true, do not use common symbols for .bss data */
 622     int static_link; /* if true, static linking is performed */
 623     int rdynamic; /* if true, all symbols are exported */
 624     int symbolic; /* if true, resolve symbols in the current module first */
 625     int alacarte_link; /* if true, only link in referenced objects from archive */
 626
 627     char *tcc_lib_path; /* CONFIG_TCCDIR or -B option */
 628     char *soname; /* as specified on the command line (-soname) */
 629     char *rpath; /* as specified on the command line (-Wl,-rpath=) */
 630     int enable_new_dtags; /* ditto, (-Wl,--enable-new-dtags) */
 631
 632     /* output type, see TCC_OUTPUT_XXX */
 633     int output_type;
 634     /* output format, see TCC_OUTPUT_FORMAT_xxx */
 635     int output_format;
 636
 637     /* C language options */
 638     int char_is_unsigned;
 639     int leading_underscore;
 640     int ms_extensions;  /* allow nested named struct w/o identifier behave like unnamed */
 641     int dollars_in_identifiers; /* allows '$' char in indentifiers */
 642     int ms_bitfields; /* if true, emulate MS algorithm for aligning bitfields */
 643
 644     /* warning switches */
 645     int warn_write_strings;
 646     int warn_unsupported;
 647     int warn_error;
 648     int warn_none;
 649     int warn_implicit_function_declaration;
 650
 651     /* compile with debug symbol (and use them if error during execution) */
 652     int do_debug;
 653 #ifdef CONFIG_TCC_BCHECK
 654     /* compile with built-in memory and bounds checker */
 655     int do_bounds_check;
 656 #endif
 657 #ifdef TCC_TARGET_ARM
 658     enum float_abi float_abi; /* float ABI of the generated code*/
 659 #endif
 660
 661     addr_t text_addr; /* address of text section */
 662     int has_text_addr;
 663
 664     unsigned section_align; /* section alignment */
 665
 666     char *init_symbol; /* symbols to call at load-time (not used currently) */
 667     char *fini_symbol; /* symbols to call at unload-time (not used currently) */
 668
 669 #ifdef TCC_TARGET_I386
 670     int seg_size; /* 32. Can be 16 with i386 assembler (.code16) */
 671 #endif
 672 #ifdef TCC_TARGET_X86_64
 673     int nosse; /* For -mno-sse support. */
 674 #endif
 675
 676     /* array of all loaded dlls (including those referenced by loaded dlls) */
 677     DLLReference **loaded_dlls;
 678     int nb_loaded_dlls;
 679
 680     /* include paths */
 681     char **include_paths;
 682     int nb_include_paths;
 683
 684     char **sysinclude_paths;
 685     int nb_sysinclude_paths;
 686
 687     /* library paths */
 688     char **library_paths;
 689     int nb_library_paths;
 690
 691     /* crt?.o object path */
 692     char **crt_paths;
 693     int nb_crt_paths;
 694
 695     /* -include files */
 696     char **cmd_include_files;
 697     int nb_cmd_include_files;
 698
 699     /* error handling */
 700     void *error_opaque;
 701     void (*error_func)(void *opaque, const char *msg);
 702     int error_set_jmp_enabled;
 703     jmp_buf error_jmp_buf;
 704     int nb_errors;
 705
 706     /* output file for preprocessing (-E) */
 707     FILE *ppfp;
 708     enum {
 709         LINE_MACRO_OUTPUT_FORMAT_GCC,
 710         LINE_MACRO_OUTPUT_FORMAT_NONE,
 711         LINE_MACRO_OUTPUT_FORMAT_STD
 712     } Pflag; /* -P switch */
 713     char dflag; /* -dX value */
 714
 715     /* for -MD/-MF: collected dependencies for this compilation */
 716     char **target_deps;
 717     int nb_target_deps;
 718
 719     /* compilation */
 720     BufferedFile *include_stack[INCLUDE_STACK_SIZE];
 721     BufferedFile **include_stack_ptr;
 722
 723     int ifdef_stack[IFDEF_STACK_SIZE];
 724     int *ifdef_stack_ptr;
 725
 726     /* included files enclosed with #ifndef MACRO */
 727     int cached_includes_hash[CACHED_INCLUDES_HASH_SIZE];
 728     CachedInclude **cached_includes;
 729     int nb_cached_includes;
 730
 731     /* #pragma pack stack */
 732     int pack_stack[PACK_STACK_SIZE];
 733     int *pack_stack_ptr;
 734     char **pragma_libs;
 735     int nb_pragma_libs;
 736
 737     /* inline functions are stored as token lists and compiled last
 738        only if referenced */
 739     struct InlineFunc **inline_fns;
 740     int nb_inline_fns;
 741
 742     /* sections */
 743     Section **sections;
 744     int nb_sections; /* number of sections, including first dummy section */
 745
 746     Section **priv_sections;
 747     int nb_priv_sections; /* number of private sections */
 748
 749     /* got & plt handling */
 750     Section *got;
 751     Section *plt;
 752
 753     /* temporary dynamic symbol sections (for dll loading) */
 754     Section *dynsymtab_section;
 755     /* exported dynamic symbol section */
 756     Section *dynsym;
 757     /* copy of the gobal symtab_section variable */
 758     Section *symtab;
 759     /* extra attributes (eg. GOT/PLT value) for symtab symbols */
 760     struct sym_attr *sym_attrs;
 761     int nb_sym_attrs;
 762     /* tiny assembler state */
 763     Sym *asm_labels;
 764
 765 #ifdef TCC_TARGET_PE
 766     /* PE info */
 767     int pe_subsystem;
 768     unsigned pe_characteristics;
 769     unsigned pe_file_align;
 770     unsigned pe_stack_size;
 771 # ifdef TCC_TARGET_X86_64
 772     Section *uw_pdata;
 773     int uw_sym;
 774     unsigned uw_offs;
 775 # endif
 776 #endif
 777
 778 #ifdef TCC_IS_NATIVE
 779     const char *runtime_main;
 780     void **runtime_mem;
 781     int nb_runtime_mem;
 782 #endif
 783
 784     /* used by main and tcc_parse_args only */
 785     struct filespec **files; /* files seen on command line */
 786     int nb_files; /* number thereof */
 787     int nb_libraries; /* number of libs thereof */
 788     int filetype;
 789     char *outfile; /* output filename */
 790     int option_r; /* option -r */
 791     int do_bench; /* option -bench */
 792     int gen_deps; /* option -MD  */
 793     char *deps_outfile; /* option -MF */
 794     int option_pthread; /* -pthread option */
 795     int argc;
 796     char **argv;
 797 };
 798
 799 struct filespec {
 800     char type;
 801     char alacarte;
 802     char name[1];
 803 };
 804
 805 /* The current value can be: */
 806 #define VT_VALMASK   0x003f  /* mask for value location, register or: */
 807 #define VT_CONST     0x0030  /* constant in vc (must be first non register value) */
 808 #define VT_LLOCAL    0x0031  /* lvalue, offset on stack */
 809 #define VT_LOCAL     0x0032  /* offset on stack */
 810 #define VT_CMP       0x0033  /* the value is stored in processor flags (in vc) */
 811 #define VT_JMP       0x0034  /* value is the consequence of jmp true (even) */
 812 #define VT_JMPI      0x0035  /* value is the consequence of jmp false (odd) */
 813 #define VT_REF       0x0040  /* value is pointer to structure rather than address */
 814 #define VT_LVAL      0x0100  /* var is an lvalue */
 815 #define VT_SYM       0x0200  /* a symbol value is added */
 816 #define VT_MUSTCAST  0x0400  /* value must be casted to be correct (used for
 817                                 char/short stored in integer registers) */
 818 #define VT_MUSTBOUND 0x0800  /* bound checking must be done before
 819                                 dereferencing value */
 820 #define VT_BOUNDED   0x8000  /* value is bounded. The address of the
 821                                 bounding function call point is in vc */
 822 #define VT_LVAL_BYTE     0x1000  /* lvalue is a byte */
 823 #define VT_LVAL_SHORT    0x2000  /* lvalue is a short */
 824 #define VT_LVAL_UNSIGNED 0x4000  /* lvalue is unsigned */
 825 #define VT_LVAL_TYPE     (VT_LVAL_BYTE | VT_LVAL_SHORT | VT_LVAL_UNSIGNED)
 826
 827 /* types */
 828 #define VT_BTYPE       0x000f  /* mask for basic type */
 829 #define VT_INT              0  /* integer type */
 830 #define VT_BYTE             1  /* signed byte type */
 831 #define VT_SHORT            2  /* short type */
 832 #define VT_VOID             3  /* void type */
 833 #define VT_PTR              4  /* pointer */
 834 #define VT_ENUM             5  /* enum definition */
 835 #define VT_FUNC             6  /* function type */
 836 #define VT_STRUCT           7  /* struct/union definition */
 837 #define VT_FLOAT            8  /* IEEE float */
 838 #define VT_DOUBLE           9  /* IEEE double */
 839 #define VT_LDOUBLE         10  /* IEEE long double */
 840 #define VT_BOOL            11  /* ISOC99 boolean type */
 841 #define VT_LLONG           12  /* 64 bit integer */
 842 #define VT_LONG            13  /* long integer (NEVER USED as type, only
 843                                   during parsing) */
 844 #define VT_QLONG           14  /* 128-bit integer. Only used for x86-64 ABI */
 845 #define VT_QFLOAT          15  /* 128-bit float. Only used for x86-64 ABI */
 846 #define VT_UNSIGNED    0x0010  /* unsigned type */
 847 #define VT_ARRAY       0x0020  /* array type (also has VT_PTR) */
 848 #define VT_BITFIELD    0x0040  /* bitfield modifier */
 849 #define VT_CONSTANT    0x0800  /* const modifier */
 850 #define VT_VOLATILE    0x1000  /* volatile modifier */
 851 #define VT_DEFSIGN     0x2000  /* signed type */
 852 #define VT_VLA     0x00020000  /* VLA type (also has VT_PTR and VT_ARRAY) */
 853
 854 /* storage */
 855 #define VT_EXTERN  0x00000080  /* extern definition */
 856 #define VT_STATIC  0x00000100  /* static variable */
 857 #define VT_TYPEDEF 0x00000200  /* typedef definition */
 858 #define VT_INLINE  0x00000400  /* inline definition */
 859 #define VT_IMPORT  0x00004000  /* win32: extern data imported from dll */
 860 #define VT_EXPORT  0x00008000  /* win32: data exported from dll */
 861 #define VT_WEAK    0x00010000  /* weak symbol */
 862 #define VT_TLS     0x00040000  /* thread-local storage */
 863 #define VT_VIS_SHIFT    19     /* shift for symbol visibility, overlapping
 864                                   bitfield values, because bitfields never
 865                                   have linkage and hence never have
 866                                   visibility.  */
 867 #define VT_VIS_SIZE      2     /* We have four visibilities.  */
 868 #define VT_VIS_MASK (((1 << VT_VIS_SIZE)-1) << VT_VIS_SHIFT)
 869
 870 #define VT_STRUCT_SHIFT 19     /* shift for bitfield shift values (max: 32 - 2*6) */
 871
 872
 873 /* type mask (except storage) */
 874 #define VT_STORAGE (VT_EXTERN | VT_STATIC | VT_TYPEDEF | VT_INLINE | VT_IMPORT | VT_EXPORT | VT_WEAK | VT_VIS_MASK)
 875 #define VT_TYPE (~(VT_STORAGE))
 876
 877 /* token values */
 878
 879 /* warning: the following compare tokens depend on i386 asm code */
 880 #define TOK_ULT 0x92
 881 #define TOK_UGE 0x93
 882 #define TOK_EQ  0x94
 883 #define TOK_NE  0x95
 884 #define TOK_ULE 0x96
 885 #define TOK_UGT 0x97
 886 #define TOK_Nset 0x98
 887 #define TOK_Nclear 0x99
 888 #define TOK_LT  0x9c
 889 #define TOK_GE  0x9d
 890 #define TOK_LE  0x9e
 891 #define TOK_GT  0x9f
 892
 893 #define TOK_LAND  0xa0
 894 #define TOK_LOR   0xa1
 895 #define TOK_DEC   0xa2
 896 #define TOK_MID   0xa3 /* inc/dec, to void constant */
 897 #define TOK_INC   0xa4
 898 #define TOK_UDIV  0xb0 /* unsigned division */
 899 #define TOK_UMOD  0xb1 /* unsigned modulo */
 900 #define TOK_PDIV  0xb2 /* fast division with undefined rounding for pointers */
 901
 902 /* tokens that carry values (in additional token string space / tokc) --> */
 903 #define TOK_CCHAR   0xb3 /* char constant in tokc */
 904 #define TOK_LCHAR   0xb4
 905 #define TOK_CINT    0xb5 /* number in tokc */
 906 #define TOK_CUINT   0xb6 /* unsigned int constant */
 907 #define TOK_CLLONG  0xb7 /* long long constant */
 908 #define TOK_CULLONG 0xb8 /* unsigned long long constant */
 909 #define TOK_STR     0xb9 /* pointer to string in tokc */
 910 #define TOK_LSTR    0xba
 911 #define TOK_CFLOAT  0xbb /* float constant */
 912 #define TOK_CDOUBLE 0xbc /* double constant */
 913 #define TOK_CLDOUBLE 0xbd /* long double constant */
 914 #define TOK_PPNUM   0xbe /* preprocessor number */
 915 #define TOK_PPSTR   0xbf /* preprocessor string */
 916 #define TOK_LINENUM 0xc0 /* line number info */
 917 /* <-- */
 918
 919 #define TOK_UMULL    0xc2 /* unsigned 32x32 -> 64 mul */
 920 #define TOK_ADDC1    0xc3 /* add with carry generation */
 921 #define TOK_ADDC2    0xc4 /* add with carry use */
 922 #define TOK_SUBC1    0xc5 /* add with carry generation */
 923 #define TOK_SUBC2    0xc6 /* add with carry use */
 924 #define TOK_ARROW    0xc7
 925 #define TOK_DOTS     0xc8 /* three dots */
 926 #define TOK_SHR      0xc9 /* unsigned shift right */
 927 #define TOK_TWOSHARPS 0xca /* ## preprocessing token */
 928 #define TOK_PLCHLDR  0xcb /* placeholder token as defined in C99 */
 929 #define TOK_NOSUBST  0xcc /* means following token has already been pp'd */
 930 #define TOK_PPJOIN   0xce /* A '##' in the right position to mean pasting */
 931
 932 #define TOK_SHL   0x01 /* shift left */
 933 #define TOK_SAR   0x02 /* signed shift right */
 934
 935 /* assignement operators : normal operator or 0x80 */
 936 #define TOK_A_MOD 0xa5
 937 #define TOK_A_AND 0xa6
 938 #define TOK_A_MUL 0xaa
 939 #define TOK_A_ADD 0xab
 940 #define TOK_A_SUB 0xad
 941 #define TOK_A_DIV 0xaf
 942 #define TOK_A_XOR 0xde
 943 #define TOK_A_OR  0xfc
 944 #define TOK_A_SHL 0x81
 945 #define TOK_A_SAR 0x82
 946
 947 #ifndef offsetof
 948 #define offsetof(type, field) ((size_t) &((type *)0)->field)
 949 #endif
 950
 951 #ifndef countof
 952 #define countof(tab) (sizeof(tab) / sizeof((tab)[0]))
 953 #endif
 954
 955 #define TOK_EOF       (-1)  /* end of file */
 956 #define TOK_LINEFEED  10    /* line feed */
 957
 958 /* all identificators and strings have token above that */
 959 #define TOK_IDENT 256
 960
 961 #define DEF_ASM(x) DEF(TOK_ASM_ ## x, #x)
 962 #define TOK_ASM_int TOK_INT
 963 #define DEF_ASMDIR(x) DEF(TOK_ASMDIR_ ## x, "." #x)
 964 #define TOK_ASMDIR_FIRST TOK_ASMDIR_byte
 965 #define TOK_ASMDIR_LAST TOK_ASMDIR_section
 966
 967 #if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
 968 /* only used for i386 asm opcodes definitions */
 969 #define DEF_BWL(x) \
 970  DEF(TOK_ASM_ ## x ## b, #x "b") \
 971  DEF(TOK_ASM_ ## x ## w, #x "w") \
 972  DEF(TOK_ASM_ ## x ## l, #x "l") \
 973  DEF(TOK_ASM_ ## x, #x)
 974 #define DEF_WL(x) \
 975  DEF(TOK_ASM_ ## x ## w, #x "w") \
 976  DEF(TOK_ASM_ ## x ## l, #x "l") \
 977  DEF(TOK_ASM_ ## x, #x)
 978 #ifdef TCC_TARGET_X86_64
 979 # define DEF_BWLQ(x) \
 980  DEF(TOK_ASM_ ## x ## b, #x "b") \
 981  DEF(TOK_ASM_ ## x ## w, #x "w") \
 982  DEF(TOK_ASM_ ## x ## l, #x "l") \
 983  DEF(TOK_ASM_ ## x ## q, #x "q") \
 984  DEF(TOK_ASM_ ## x, #x)
 985 # define DEF_WLQ(x) \
 986  DEF(TOK_ASM_ ## x ## w, #x "w") \
 987  DEF(TOK_ASM_ ## x ## l, #x "l") \
 988  DEF(TOK_ASM_ ## x ## q, #x "q") \
 989  DEF(TOK_ASM_ ## x, #x)
 990 # define DEF_BWLX DEF_BWLQ
 991 # define DEF_WLX DEF_WLQ
 992 /* number of sizes + 1 */
 993 # define NBWLX 5
 994 #else
 995 # define DEF_BWLX DEF_BWL
 996 # define DEF_WLX DEF_WL
 997 /* number of sizes + 1 */
 998 # define NBWLX 4
 999 #endif
1000
1001 #define DEF_FP1(x) \
1002  DEF(TOK_ASM_ ## f ## x ## s, "f" #x "s") \
1003  DEF(TOK_ASM_ ## fi ## x ## l, "fi" #x "l") \
1004  DEF(TOK_ASM_ ## f ## x ## l, "f" #x "l") \
1005  DEF(TOK_ASM_ ## fi ## x ## s, "fi" #x "s")
1006
1007 #define DEF_FP(x) \
1008  DEF(TOK_ASM_ ## f ## x, "f" #x ) \
1009  DEF(TOK_ASM_ ## f ## x ## p, "f" #x "p") \
1010  DEF_FP1(x)
1011
1012 #define DEF_ASMTEST(x,suffix) \
1013  DEF_ASM(x ## o ## suffix) \
1014  DEF_ASM(x ## no ## suffix) \
1015  DEF_ASM(x ## b ## suffix) \
1016  DEF_ASM(x ## c ## suffix) \
1017  DEF_ASM(x ## nae ## suffix) \
1018  DEF_ASM(x ## nb ## suffix) \
1019  DEF_ASM(x ## nc ## suffix) \
1020  DEF_ASM(x ## ae ## suffix) \
1021  DEF_ASM(x ## e ## suffix) \
1022  DEF_ASM(x ## z ## suffix) \
1023  DEF_ASM(x ## ne ## suffix) \
1024  DEF_ASM(x ## nz ## suffix) \
1025  DEF_ASM(x ## be ## suffix) \
1026  DEF_ASM(x ## na ## suffix) \
1027  DEF_ASM(x ## nbe ## suffix) \
1028  DEF_ASM(x ## a ## suffix) \
1029  DEF_ASM(x ## s ## suffix) \
1030  DEF_ASM(x ## ns ## suffix) \
1031  DEF_ASM(x ## p ## suffix) \
1032  DEF_ASM(x ## pe ## suffix) \
1033  DEF_ASM(x ## np ## suffix) \
1034  DEF_ASM(x ## po ## suffix) \
1035  DEF_ASM(x ## l ## suffix) \
1036  DEF_ASM(x ## nge ## suffix) \
1037  DEF_ASM(x ## nl ## suffix) \
1038  DEF_ASM(x ## ge ## suffix) \
1039  DEF_ASM(x ## le ## suffix) \
1040  DEF_ASM(x ## ng ## suffix) \
1041  DEF_ASM(x ## nle ## suffix) \
1042  DEF_ASM(x ## g ## suffix)
1043
1044 #endif /* defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64 */
1045
1046 enum tcc_token {
1047     TOK_LAST = TOK_IDENT - 1
1048 #define DEF(id, str) ,id
1049 #include "tcctok.h"
1050 #undef DEF
1051 };
1052
1053 /* keywords: tok >= TOK_IDENT && tok < TOK_UIDENT */
1054 #define TOK_UIDENT TOK_DEFINE
1055
1056 /* ------------ libtcc.c ------------ */
1057
1058 /* use GNU C extensions */
1059 ST_DATA int gnu_ext;
1060 /* use Tiny C extensions */
1061 ST_DATA int tcc_ext;
1062 /* XXX: get rid of this ASAP */
1063 ST_DATA struct TCCState *tcc_state;
1064
1065 /* public functions currently used by the tcc main function */
1066 ST_FUNC char *pstrcpy(char *buf, int buf_size, const char *s);
1067 ST_FUNC char *pstrcat(char *buf, int buf_size, const char *s);
1068 ST_FUNC char *pstrncpy(char *out, const char *in, size_t num);
1069 PUB_FUNC char *tcc_basename(const char *name);
1070 PUB_FUNC char *tcc_fileextension (const char *name);
1071
1072 #ifndef MEM_DEBUG
1073 PUB_FUNC void tcc_free(void *ptr);
1074 PUB_FUNC void *tcc_malloc(unsigned long size);
1075 PUB_FUNC void *tcc_mallocz(unsigned long size);
1076 PUB_FUNC void *tcc_realloc(void *ptr, unsigned long size);
1077 PUB_FUNC char *tcc_strdup(const char *str);
1078 #else
1079 #define tcc_free(ptr)           tcc_free_debug(ptr)
1080 #define tcc_malloc(size)        tcc_malloc_debug(size, __FILE__, __LINE__)
1081 #define tcc_mallocz(size)       tcc_mallocz_debug(size, __FILE__, __LINE__)
1082 #define tcc_realloc(ptr,size)   tcc_realloc_debug(ptr, size, __FILE__, __LINE__)
1083 #define tcc_strdup(str)         tcc_strdup_debug(str, __FILE__, __LINE__)
1084 PUB_FUNC void tcc_free_debug(void *ptr);
1085 PUB_FUNC void *tcc_malloc_debug(unsigned long size, const char *file, int line);
1086 PUB_FUNC void *tcc_mallocz_debug(unsigned long size, const char *file, int line);
1087 PUB_FUNC void *tcc_realloc_debug(void *ptr, unsigned long size, const char *file, int line);
1088 PUB_FUNC char *tcc_strdup_debug(const char *str, const char *file, int line);
1089 #endif
1090
1091 #define free(p) use_tcc_free(p)
1092 #define malloc(s) use_tcc_malloc(s)
1093 #define realloc(p, s) use_tcc_realloc(p, s)
1094 #undef strdup
1095 #define strdup(s) use_tcc_strdup(s)
1096 PUB_FUNC void tcc_memcheck(void);
1097 PUB_FUNC void tcc_error_noabort(const char *fmt, ...);
1098 PUB_FUNC NORETURN void tcc_error(const char *fmt, ...);
1099 PUB_FUNC void tcc_warning(const char *fmt, ...);
1100
1101 /* other utilities */
1102 ST_FUNC void dynarray_add(void *ptab, int *nb_ptr, void *data);
1103 ST_FUNC void dynarray_reset(void *pp, int *n);
1104 ST_INLN void cstr_ccat(CString *cstr, int ch);
1105 ST_FUNC void cstr_cat(CString *cstr, const char *str, int len);
1106 ST_FUNC void cstr_wccat(CString *cstr, int ch);
1107 ST_FUNC void cstr_new(CString *cstr);
1108 ST_FUNC void cstr_free(CString *cstr);
1109 ST_FUNC void cstr_reset(CString *cstr);
1110
1111 ST_INLN void sym_free(Sym *sym);
1112 ST_FUNC Sym *sym_push2(Sym **ps, int v, int t, long c);
1113 ST_FUNC Sym *sym_find2(Sym *s, int v);
1114 ST_FUNC Sym *sym_push(int v, CType *type, int r, long c);
1115 ST_FUNC void sym_pop(Sym **ptop, Sym *b, int keep);
1116 ST_INLN Sym *struct_find(int v);
1117 ST_INLN Sym *sym_find(int v);
1118 ST_FUNC Sym *global_identifier_push(int v, int t, long c);
1119
1120 ST_FUNC void tcc_open_bf(TCCState *s1, const char *filename, int initlen);
1121 ST_FUNC int tcc_open(TCCState *s1, const char *filename);
1122 ST_FUNC void tcc_close(void);
1123
1124 ST_FUNC int tcc_add_file_internal(TCCState *s1, const char *filename, int flags);
1125 /* flags: */
1126 #define AFF_PRINT_ERROR     0x10 /* print error if file not found */
1127 #define AFF_REFERENCED_DLL  0x20 /* load a referenced dll from another dll */
1128 #define AFF_PREPROCESS      0x40 /* preprocess file */
1129 /* combined with: */
1130 #define AFF_TYPE_NONE   0
1131 #define AFF_TYPE_C      1
1132 #define AFF_TYPE_ASM    2
1133 #define AFF_TYPE_ASMPP  3
1134 #define AFF_TYPE_BIN    4
1135 #define AFF_TYPE_LIB    5
1136 /* values from tcc_object_type(...) */
1137 #define AFF_BINTYPE_REL 1
1138 #define AFF_BINTYPE_DYN 2
1139 #define AFF_BINTYPE_AR  3
1140 #define AFF_BINTYPE_C67 4
1141
1142
1143 ST_FUNC int tcc_add_crt(TCCState *s, const char *filename);
1144 ST_FUNC int tcc_add_dll(TCCState *s, const char *filename, int flags);
1145 ST_FUNC void tcc_add_pragma_libs(TCCState *s1);
1146 PUB_FUNC int tcc_add_library_err(TCCState *s, const char *f);
1147 PUB_FUNC void tcc_print_stats(TCCState *s, unsigned total_time);
1148 PUB_FUNC int tcc_parse_args(TCCState *s, int *argc, char ***argv, int optind);
1149 #ifdef _WIN32
1150 ST_FUNC char *normalize_slashes(char *path);
1151 #endif
1152
1153 /* tcc_parse_args return codes: */
1154 #define OPT_HELP 1
1155 #define OPT_HELP2 2
1156 #define OPT_V 3
1157 #define OPT_PRINT_DIRS 4
1158 #define OPT_AR 5
1159 #define OPT_IMPDEF 6
1160 #define OPT_M32 32
1161 #define OPT_M64 64
1162
1163 /* ------------ tccpp.c ------------ */
1164
1165 ST_DATA struct BufferedFile *file;
1166 ST_DATA int ch, tok;
1167 ST_DATA CValue tokc;
1168 ST_DATA const int *macro_ptr;
1169 ST_DATA int parse_flags;
1170 ST_DATA int tok_flags;
1171 ST_DATA CString tokcstr; /* current parsed string, if any */
1172
1173 /* display benchmark infos */
1174 ST_DATA int total_lines;
1175 ST_DATA int total_bytes;
1176 ST_DATA int tok_ident;
1177 ST_DATA TokenSym **table_ident;
1178
1179 #define TOK_FLAG_BOL   0x0001 /* beginning of line before */
1180 #define TOK_FLAG_BOF   0x0002 /* beginning of file before */
1181 #define TOK_FLAG_ENDIF 0x0004 /* a endif was found matching starting #ifdef */
1182 #define TOK_FLAG_EOF   0x0008 /* end of file */
1183
1184 #define PARSE_FLAG_PREPROCESS 0x0001 /* activate preprocessing */
1185 #define PARSE_FLAG_TOK_NUM    0x0002 /* return numbers instead of TOK_PPNUM */
1186 #define PARSE_FLAG_LINEFEED   0x0004 /* line feed is returned as a
1187                                         token. line feed is also
1188                                         returned at eof */
1189 #define PARSE_FLAG_ASM_FILE 0x0008 /* we processing an asm file: '#' can be used for line comment, etc. */
1190 #define PARSE_FLAG_SPACES     0x0010 /* next() returns space tokens (for -E) */
1191 #define PARSE_FLAG_ACCEPT_STRAYS 0x0020 /* next() returns '\\' token */
1192 #define PARSE_FLAG_TOK_STR    0x0040 /* return parsed strings instead of TOK_PPSTR */
1193
1194 /* isidnum_table flags: */
1195 #define IS_SPC 1
1196 #define IS_ID  2
1197 #define IS_NUM 4
1198
1199 ST_FUNC TokenSym *tok_alloc(const char *str, int len);
1200 ST_FUNC const char *get_tok_str(int v, CValue *cv);
1201 ST_FUNC void begin_macro(TokenString *str, int alloc);
1202 ST_FUNC void end_macro(void);
1203 ST_FUNC void set_idnum(int c, int val);
1204 ST_FUNC void save_parse_state(ParseState *s);
1205 ST_FUNC void restore_parse_state(ParseState *s);
1206 ST_INLN void tok_str_new(TokenString *s);
1207 ST_FUNC TokenString *tok_str_alloc(void);
1208 ST_FUNC void tok_str_free(TokenString *s);
1209 ST_FUNC void tok_str_free_str(int *str);
1210 ST_FUNC void tok_str_add(TokenString *s, int t);
1211 ST_FUNC void tok_str_add_tok(TokenString *s);
1212 ST_INLN void define_push(int v, int macro_type, int *str, Sym *first_arg);
1213 ST_FUNC void define_undef(Sym *s);
1214 ST_INLN Sym *define_find(int v);
1215 ST_FUNC void free_defines(Sym *b);
1216 ST_FUNC Sym *label_find(int v);
1217 ST_FUNC Sym *label_push(Sym **ptop, int v, int flags);
1218 ST_FUNC void label_pop(Sym **ptop, Sym *slast);
1219 ST_FUNC void parse_define(void);
1220 ST_FUNC void preprocess(int is_bof);
1221 ST_FUNC void next_nomacro(void);
1222 ST_FUNC void next(void);
1223 ST_INLN void unget_tok(int last_tok);
1224 ST_FUNC void preprocess_start(TCCState *s1);
1225 ST_FUNC void tccpp_new(TCCState *s);
1226 ST_FUNC void tccpp_delete(TCCState *s);
1227 ST_FUNC int tcc_preprocess(TCCState *s1);
1228 ST_FUNC void skip(int c);
1229 ST_FUNC NORETURN void expect(const char *msg);
1230
1231 /* space exlcuding newline */
1232 static inline int is_space(int ch) {
1233     return ch == ' ' || ch == '\t' || ch == '\v' || ch == '\f' || ch == '\r';
1234 }
1235 static inline int isid(int c) {
1236     return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || c == '_';
1237 }
1238 static inline int isnum(int c) {
1239     return c >= '0' && c <= '9';
1240 }
1241 static inline int isoct(int c) {
1242     return c >= '0' && c <= '7';
1243 }
1244 static inline int toup(int c) {
1245     return (c >= 'a' && c <= 'z') ? c - 'a' + 'A' : c;
1246 }
1247
1248 /* ------------ tccgen.c ------------ */
1249
1250 #define SYM_POOL_NB (8192 / sizeof(Sym))
1251 ST_DATA Sym *sym_free_first;
1252 ST_DATA void **sym_pools;
1253 ST_DATA int nb_sym_pools;
1254
1255 ST_DATA Sym *global_stack;
1256 ST_DATA Sym *local_stack;
1257 ST_DATA Sym *local_label_stack;
1258 ST_DATA Sym *global_label_stack;
1259 ST_DATA Sym *define_stack;
1260 ST_DATA CType char_pointer_type, func_old_type, int_type, size_type;
1261 ST_DATA SValue __vstack[1+/*to make bcheck happy*/ VSTACK_SIZE], *vtop, *pvtop;
1262 #define vstack  (__vstack + 1)
1263 ST_DATA int rsym, anon_sym, ind, loc;
1264
1265 ST_DATA int const_wanted; /* true if constant wanted */
1266 ST_DATA int nocode_wanted; /* true if no code generation wanted for an expression */
1267 ST_DATA int global_expr;  /* true if compound literals must be allocated globally (used during initializers parsing */
1268 ST_DATA CType func_vt; /* current function return type (used by return instruction) */
1269 ST_DATA int func_var; /* true if current function is variadic */
1270 ST_DATA int func_vc;
1271 ST_DATA int last_line_num, last_ind, func_ind; /* debug last line number and pc */
1272 ST_DATA const char *funcname;
1273
1274 ST_FUNC void tcc_debug_start(TCCState *s1);
1275 ST_FUNC void tcc_debug_end(TCCState *s1);
1276 ST_FUNC void tcc_debug_funcstart(TCCState *s1, Sym *sym);
1277 ST_FUNC void tcc_debug_funcend(TCCState *s1, int size);
1278 ST_FUNC void tcc_debug_line(TCCState *s1);
1279
1280 ST_FUNC void tccgen_start(TCCState *s1);
1281 ST_FUNC void tccgen_end(TCCState *s1);
1282
1283 ST_FUNC void free_inline_functions(TCCState *s);
1284 ST_FUNC void check_vstack(void);
1285
1286 ST_INLN int is_float(int t);
1287 ST_FUNC int ieee_finite(double d);
1288 ST_FUNC void test_lvalue(void);
1289 ST_FUNC void vpushi(int v);
1290 ST_FUNC Sym *external_global_sym(int v, CType *type, int r);
1291 ST_FUNC void vset(CType *type, int r, long v);
1292 ST_FUNC void vswap(void);
1293 ST_FUNC void vpush_global_sym(CType *type, int v);
1294 ST_FUNC void vrote(SValue *e, int n);
1295 ST_FUNC void vrott(int n);
1296 ST_FUNC void vrotb(int n);
1297 #ifdef TCC_TARGET_ARM
1298 ST_FUNC int get_reg_ex(int rc, int rc2);
1299 ST_FUNC void lexpand_nr(void);
1300 #endif
1301 ST_FUNC void vpushv(SValue *v);
1302 ST_FUNC void save_reg(int r);
1303 ST_FUNC void save_reg_upstack(int r, int n);
1304 ST_FUNC int get_reg(int rc);
1305 ST_FUNC void save_regs(int n);
1306 ST_FUNC void gaddrof(void);
1307 ST_FUNC int gv(int rc);
1308 ST_FUNC void gv2(int rc1, int rc2);
1309 ST_FUNC void vpop(void);
1310 ST_FUNC void gen_op(int op);
1311 ST_FUNC int type_size(CType *type, int *a);
1312 ST_FUNC void mk_pointer(CType *type);
1313 ST_FUNC void vstore(void);
1314 ST_FUNC void inc(int post, int c);
1315 ST_FUNC void parse_mult_str (CString *astr, const char *msg);
1316 ST_FUNC void parse_asm_str(CString *astr);
1317 ST_FUNC int lvalue_type(int t);
1318 ST_FUNC void indir(void);
1319 ST_FUNC void unary(void);
1320 ST_FUNC void expr_prod(void);
1321 ST_FUNC void expr_sum(void);
1322 ST_FUNC void gexpr(void);
1323 ST_FUNC int expr_const(void);
1324 ST_FUNC void decl(int l);
1325 #if defined CONFIG_TCC_BCHECK || defined TCC_TARGET_C67
1326 ST_FUNC Sym *get_sym_ref(CType *type, Section *sec, unsigned long offset, unsigned long size);
1327 #endif
1328 #if defined TCC_TARGET_X86_64 && !defined TCC_TARGET_PE
1329 ST_FUNC int classify_x86_64_va_arg(CType *ty);
1330 #endif
1331
1332 /* ------------ tccelf.c ------------ */
1333
1334 #define TCC_OUTPUT_FORMAT_ELF    0 /* default output format: ELF */
1335 #define TCC_OUTPUT_FORMAT_BINARY 1 /* binary image output */
1336 #define TCC_OUTPUT_FORMAT_COFF   2 /* COFF */
1337
1338 #define ARMAG  "!<arch>\012"    /* For COFF and a.out archives */
1339
1340 typedef struct {
1341     unsigned int n_strx;         /* index into string table of name */
1342     unsigned char n_type;         /* type of symbol */
1343     unsigned char n_other;        /* misc info (usually empty) */
1344     unsigned short n_desc;        /* description field */
1345     unsigned int n_value;        /* value of symbol */
1346 } Stab_Sym;
1347
1348 ST_DATA Section *text_section, *data_section, *bss_section; /* predefined sections */
1349 ST_DATA Section *cur_text_section; /* current section where function code is generated */
1350 #ifdef CONFIG_TCC_ASM
1351 ST_DATA Section *last_text_section; /* to handle .previous asm directive */
1352 #endif
1353 #ifdef CONFIG_TCC_BCHECK
1354 /* bound check related sections */
1355 ST_DATA Section *bounds_section; /* contains global data bound description */
1356 ST_DATA Section *lbounds_section; /* contains local data bound description */
1357 ST_FUNC void tccelf_bounds_new(TCCState *s);
1358 #endif
1359 /* symbol sections */
1360 ST_DATA Section *symtab_section, *strtab_section;
1361 /* debug sections */
1362 ST_DATA Section *stab_section, *stabstr_section;
1363
1364 ST_FUNC void tccelf_new(TCCState *s);
1365 ST_FUNC void tccelf_delete(TCCState *s);
1366 ST_FUNC void tccelf_stab_new(TCCState *s);
1367
1368 ST_FUNC Section *new_section(TCCState *s1, const char *name, int sh_type, int sh_flags);
1369 ST_FUNC void section_realloc(Section *sec, unsigned long new_size);
1370 ST_FUNC void *section_ptr_add(Section *sec, addr_t size);
1371 ST_FUNC void section_reserve(Section *sec, unsigned long size);
1372 ST_FUNC Section *find_section(TCCState *s1, const char *name);
1373 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);
1374
1375 ST_FUNC void put_extern_sym2(Sym *sym, Section *section, addr_t value, unsigned long size, int can_add_underscore);
1376 ST_FUNC void put_extern_sym(Sym *sym, Section *section, addr_t value, unsigned long size);
1377 ST_FUNC void greloc(Section *s, Sym *sym, unsigned long offset, int type);
1378 ST_FUNC void greloca(Section *s, Sym *sym, unsigned long offset, int type, addr_t addend);
1379
1380 ST_FUNC int put_elf_str(Section *s, const char *sym);
1381 ST_FUNC int put_elf_sym(Section *s, addr_t value, unsigned long size, int info, int other, int shndx, const char *name);
1382 ST_FUNC int set_elf_sym(Section *s, addr_t value, unsigned long size, int info, int other, int shndx, const char *name);
1383 ST_FUNC int find_elf_sym(Section *s, const char *name);
1384 ST_FUNC void put_elf_reloc(Section *symtab, Section *s, unsigned long offset, int type, int symbol);
1385 ST_FUNC void put_elf_reloca(Section *symtab, Section *s, unsigned long offset, int type, int symbol, addr_t addend);
1386
1387 ST_FUNC void put_stabs(const char *str, int type, int other, int desc, unsigned long value);
1388 ST_FUNC void put_stabs_r(const char *str, int type, int other, int desc, unsigned long value, Section *sec, int sym_index);
1389 ST_FUNC void put_stabn(int type, int other, int desc, int value);
1390 ST_FUNC void put_stabd(int type, int other, int desc);
1391
1392 ST_FUNC void relocate_common_syms(void);
1393 ST_FUNC void relocate_syms(TCCState *s1, Section *symtab, int do_resolve);
1394 ST_FUNC void relocate_section(TCCState *s1, Section *s);
1395
1396 ST_FUNC void tcc_add_linker_symbols(TCCState *s1);
1397 ST_FUNC int tcc_object_type(int fd, ElfW(Ehdr) *h);
1398 ST_FUNC int tcc_load_object_file(TCCState *s1, int fd, unsigned long file_offset);
1399 ST_FUNC int tcc_load_archive(TCCState *s1, int fd);
1400 ST_FUNC void tcc_add_bcheck(TCCState *s1);
1401 ST_FUNC void tcc_add_runtime(TCCState *s1);
1402
1403 ST_FUNC void build_got_entries(TCCState *s1);
1404 ST_FUNC struct sym_attr *get_sym_attr(TCCState *s1, int index, int alloc);
1405 ST_FUNC void squeeze_multi_relocs(Section *sec, size_t oldrelocoffset);
1406
1407 ST_FUNC addr_t get_elf_sym_addr(TCCState *s, const char *name, int err);
1408 #if defined TCC_IS_NATIVE || defined TCC_TARGET_PE
1409 ST_FUNC void *tcc_get_symbol_err(TCCState *s, const char *name);
1410 #endif
1411
1412 #ifndef TCC_TARGET_PE
1413 ST_FUNC int tcc_load_dll(TCCState *s1, int fd, const char *filename, int level);
1414 ST_FUNC int tcc_load_ldscript(TCCState *s1);
1415 ST_FUNC uint8_t *parse_comment(uint8_t *p);
1416 ST_FUNC void minp(void);
1417 ST_INLN void inp(void);
1418 ST_FUNC int handle_eob(void);
1419 #endif
1420
1421 /* ------------ xxx-link.c ------------ */
1422
1423 /* Wether to generate a GOT/PLT entry and when. NO_GOTPLT_ENTRY is first so
1424    that unknown relocation don't create a GOT or PLT entry */
1425 enum gotplt_entry {
1426     NO_GOTPLT_ENTRY,    /* never generate (eg. GLOB_DAT & JMP_SLOT relocs) */
1427     BUILD_GOT_ONLY,     /* only build GOT (eg. TPOFF relocs) */
1428     AUTO_GOTPLT_ENTRY,  /* generate if sym is UNDEF */
1429     ALWAYS_GOTPLT_ENTRY /* always generate (eg. PLTOFF relocs) */
1430 };
1431
1432 ST_FUNC int code_reloc (int reloc_type);
1433 ST_FUNC int gotplt_entry_type (int reloc_type);
1434 ST_FUNC unsigned create_plt_entry(TCCState *s1, unsigned got_offset, struct sym_attr *attr);
1435 ST_FUNC void relocate_init(Section *sr);
1436 ST_FUNC void relocate(TCCState *s1, ElfW_Rel *rel, int type, char *ptr, addr_t addr, addr_t val);
1437 ST_FUNC void relocate_plt(TCCState *s1);
1438
1439 /* ------------ xxx-gen.c ------------ */
1440
1441 ST_DATA const int reg_classes[NB_REGS];
1442
1443 ST_FUNC void gsym_addr(int t, int a);
1444 ST_FUNC void gsym(int t);
1445 ST_FUNC void load(int r, SValue *sv);
1446 ST_FUNC void store(int r, SValue *v);
1447 ST_FUNC int gfunc_sret(CType *vt, int variadic, CType *ret, int *align, int *regsize);
1448 ST_FUNC void gfunc_call(int nb_args);
1449 ST_FUNC void gfunc_prolog(CType *func_type);
1450 ST_FUNC void gfunc_epilog(void);
1451 ST_FUNC int gjmp(int t);
1452 ST_FUNC void gjmp_addr(int a);
1453 ST_FUNC int gtst(int inv, int t);
1454 #if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
1455 ST_FUNC void gtst_addr(int inv, int a);
1456 #else
1457 #define gtst_addr(inv, a) gsym_addr(gtst(inv, 0), a)
1458 #endif
1459 ST_FUNC void gen_opi(int op);
1460 ST_FUNC void gen_opf(int op);
1461 ST_FUNC void gen_cvt_ftoi(int t);
1462 ST_FUNC void gen_cvt_ftof(int t);
1463 ST_FUNC void ggoto(void);
1464 #ifndef TCC_TARGET_C67
1465 ST_FUNC void o(unsigned int c);
1466 #endif
1467 #ifndef TCC_TARGET_ARM
1468 ST_FUNC void gen_cvt_itof(int t);
1469 #endif
1470 ST_FUNC void gen_vla_sp_save(int addr);
1471 ST_FUNC void gen_vla_sp_restore(int addr);
1472 ST_FUNC void gen_vla_alloc(CType *type, int align);
1473
1474 static inline uint16_t read16le(unsigned char *p) {
1475     return p[0] | (uint16_t)p[1] << 8;
1476 }
1477 static inline void write16le(unsigned char *p, uint16_t x) {
1478     p[0] = x & 255, p[1] = x >> 8 & 255;
1479 }
1480 static inline uint32_t read32le(unsigned char *p) {
1481   return read16le(p) | (uint32_t)read16le(p + 2) << 16;
1482 }
1483 static inline void write32le(unsigned char *p, uint32_t x) {
1484     write16le(p, x), write16le(p + 2, x >> 16);
1485 }
1486 static inline void add32le(unsigned char *p, int32_t x) {
1487     write32le(p, read32le(p) + x);
1488 }
1489 static inline uint64_t read64le(unsigned char *p) {
1490   return read32le(p) | (uint64_t)read32le(p + 4) << 32;
1491 }
1492 static inline void write64le(unsigned char *p, uint64_t x) {
1493     write32le(p, x), write32le(p + 4, x >> 32);
1494 }
1495 static inline void add64le(unsigned char *p, int64_t x) {
1496     write64le(p, read64le(p) + x);
1497 }
1498
1499 /* ------------ i386-gen.c ------------ */
1500 #if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
1501 ST_FUNC void g(int c);
1502 ST_FUNC void gen_le16(int c);
1503 ST_FUNC void gen_le32(int c);
1504 ST_FUNC void gen_addr32(int r, Sym *sym, long c);
1505 ST_FUNC void gen_addrpc32(int r, Sym *sym, long c);
1506 #endif
1507
1508 #ifdef CONFIG_TCC_BCHECK
1509 ST_FUNC void gen_bounded_ptr_add(void);
1510 ST_FUNC void gen_bounded_ptr_deref(void);
1511 #endif
1512
1513 /* ------------ x86_64-gen.c ------------ */
1514 #ifdef TCC_TARGET_X86_64
1515 ST_FUNC void gen_addr64(int r, Sym *sym, int64_t c);
1516 ST_FUNC void gen_opl(int op);
1517 #endif
1518
1519 /* ------------ arm-gen.c ------------ */
1520 #ifdef TCC_TARGET_ARM
1521 #if defined(TCC_ARM_EABI) && !defined(CONFIG_TCC_ELFINTERP)
1522 ST_FUNC char *default_elfinterp(struct TCCState *s);
1523 #endif
1524 ST_FUNC void arm_init(struct TCCState *s);
1525 ST_FUNC void gen_cvt_itof1(int t);
1526 #endif
1527
1528 /* ------------ arm64-gen.c ------------ */
1529 #ifdef TCC_TARGET_ARM64
1530 ST_FUNC void gen_cvt_sxtw(void);
1531 ST_FUNC void gen_opl(int op);
1532 ST_FUNC void gfunc_return(CType *func_type);
1533 ST_FUNC void gen_va_start(void);
1534 ST_FUNC void gen_va_arg(CType *t);
1535 ST_FUNC void gen_clear_cache(void);
1536 #endif
1537
1538 /* ------------ c67-gen.c ------------ */
1539 #ifdef TCC_TARGET_C67
1540 #endif
1541
1542 /* ------------ tcccoff.c ------------ */
1543
1544 #ifdef TCC_TARGET_COFF
1545 ST_FUNC int tcc_output_coff(TCCState *s1, FILE *f);
1546 ST_FUNC int tcc_load_coff(TCCState * s1, int fd);
1547 #endif
1548
1549 /* ------------ tccasm.c ------------ */
1550 ST_FUNC void asm_instr(void);
1551 ST_FUNC void asm_global_instr(void);
1552 #ifdef CONFIG_TCC_ASM
1553 ST_FUNC int find_constraint(ASMOperand *operands, int nb_operands, const char *name, const char **pp);
1554 ST_FUNC Sym* get_asm_sym(int name, Sym *csym);
1555 ST_FUNC void asm_expr(TCCState *s1, ExprValue *pe);
1556 ST_FUNC int asm_int_expr(TCCState *s1);
1557 ST_FUNC int tcc_assemble(TCCState *s1, int do_preprocess);
1558 /* ------------ i386-asm.c ------------ */
1559 ST_FUNC void gen_expr32(ExprValue *pe);
1560 #ifdef TCC_TARGET_X86_64
1561 ST_FUNC void gen_expr64(ExprValue *pe);
1562 #endif
1563 ST_FUNC void asm_opcode(TCCState *s1, int opcode);
1564 ST_FUNC int asm_parse_regvar(int t);
1565 ST_FUNC void asm_compute_constraints(ASMOperand *operands, int nb_operands, int nb_outputs, const uint8_t *clobber_regs, int *pout_reg);
1566 ST_FUNC void subst_asm_operand(CString *add_str, SValue *sv, int modifier);
1567 ST_FUNC void asm_gen_code(ASMOperand *operands, int nb_operands, int nb_outputs, int is_output, uint8_t *clobber_regs, int out_reg);
1568 ST_FUNC void asm_clobber(uint8_t *clobber_regs, const char *str);
1569 #endif
1570
1571 /* ------------ tccpe.c -------------- */
1572 #ifdef TCC_TARGET_PE
1573 ST_FUNC int pe_load_file(struct TCCState *s1, const char *filename, int fd);
1574 ST_FUNC int pe_output_file(TCCState * s1, const char *filename);
1575 ST_FUNC int pe_putimport(TCCState *s1, int dllindex, const char *name, addr_t value);
1576 #ifndef TCC_TARGET_ARM
1577 ST_FUNC SValue *pe_getimport(SValue *sv, SValue *v2);
1578 #endif
1579 #ifdef TCC_TARGET_X86_64
1580 ST_FUNC void pe_add_unwind_data(unsigned start, unsigned end, unsigned stack);
1581 #endif
1582 PUB_FUNC int tcc_get_dllexports(const char *filename, char **pp);
1583 /* symbol properties stored in Elf32_Sym->st_other */
1584 # define ST_PE_EXPORT 0x10
1585 # define ST_PE_IMPORT 0x20
1586 # define ST_PE_STDCALL 0x40
1587 #endif
1588
1589 /* ------------ tccrun.c ----------------- */
1590 #ifdef TCC_IS_NATIVE
1591 #ifdef CONFIG_TCC_STATIC
1592 #define RTLD_LAZY       0x001
1593 #define RTLD_NOW        0x002
1594 #define RTLD_GLOBAL     0x100
1595 #define RTLD_DEFAULT    NULL
1596 /* dummy function for profiling */
1597 ST_FUNC void *dlopen(const char *filename, int flag);
1598 ST_FUNC void dlclose(void *p);
1599 ST_FUNC const char *dlerror(void);
1600 ST_FUNC void *dlsym(void *handle, const char *symbol);
1601 #endif
1602 #ifdef CONFIG_TCC_BACKTRACE
1603 ST_DATA int rt_num_callers;
1604 ST_DATA const char **rt_bound_error_msg;
1605 ST_DATA void *rt_prog_main;
1606 ST_FUNC void tcc_set_num_callers(int n);
1607 #endif
1608 ST_FUNC void tcc_run_free(TCCState *s1);
1609 #endif
1610
1611 /* ------------ tcctools.c ----------------- */
1612 #if 0 /* included in tcc.c */
1613 ST_FUNC int tcc_tool_ar(TCCState *s, int argc, char **argv);
1614 #ifdef TCC_TARGET_PE
1615 ST_FUNC int tcc_tool_impdef(TCCState *s, int argc, char **argv);
1616 #endif
1617 ST_FUNC void tcc_tool_cross(TCCState *s, char **argv, int option);
1618 ST_FUNC void gen_makedeps(TCCState *s, const char *target, const char *filename);
1619 #endif
1620
1621 /********************************************************/
1622 #undef ST_DATA
1623 #ifdef ONE_SOURCE
1624 #define ST_DATA static
1625 #else
1626 #define ST_DATA
1627 #endif
1628 /********************************************************/
1629 #endif /* _TCC_H */