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 #ifdef CONFIG_TCCBOOT
  28
  29 #include "tccboot.h"
  30 #define CONFIG_TCC_STATIC
  31
  32 #else
  33
  34 #include <stdlib.h>
  35 #include <stdio.h>
  36 #include <stdarg.h>
  37 #include <string.h>
  38 #include <errno.h>
  39 #include <math.h>
  40 #include <signal.h>
  41 #include <fcntl.h>
  42 #include <setjmp.h>
  43 #include <time.h>
  44
  45 #ifdef _WIN32
  46 #include <windows.h>
  47 #include <sys/timeb.h>
  48 #include <io.h> /* open, close etc. */
  49 #include <direct.h> /* getcwd */
  50 #define inline __inline
  51 #define inp next_inp
  52 #ifdef _WIN64
  53 #define uplong unsigned long long
  54 #endif
  55 #endif
  56
  57 #ifndef _WIN32
  58 #include <unistd.h>
  59 #include <sys/time.h>
  60 #include <sys/ucontext.h>
  61 #include <sys/mman.h>
  62 #include <dlfcn.h>
  63 #endif
  64
  65 #endif /* !CONFIG_TCCBOOT */
  66
  67 #ifndef uplong
  68 #define uplong unsigned long
  69 #endif
  70
  71 #ifndef PAGESIZE
  72 #define PAGESIZE 4096
  73 #endif
  74
  75 #include "elf.h"
  76 #include "stab.h"
  77
  78 #ifndef O_BINARY
  79 #define O_BINARY 0
  80 #endif
  81
  82 #include "libtcc.h"
  83
  84 /* parser debug */
  85 //#define PARSE_DEBUG
  86 /* preprocessor debug */
  87 //#define PP_DEBUG
  88 /* include file debug */
  89 //#define INC_DEBUG
  90
  91 //#define MEM_DEBUG
  92
  93 /* assembler debug */
  94 //#define ASM_DEBUG
  95
  96 /* target selection */
  97 //#define TCC_TARGET_I386   /* i386 code generator */
  98 //#define TCC_TARGET_ARM    /* ARMv4 code generator */
  99 //#define TCC_TARGET_C67    /* TMS320C67xx code generator */
 100 //#define TCC_TARGET_X86_64 /* x86-64 code generator */
 101
 102 /* default target is I386 */
 103 #if !defined(TCC_TARGET_I386) && !defined(TCC_TARGET_ARM) && \
 104     !defined(TCC_TARGET_C67) && !defined(TCC_TARGET_X86_64)
 105 #define TCC_TARGET_I386
 106 #endif
 107
 108 #if !defined(TCC_UCLIBC) && !defined(TCC_TARGET_ARM) && \
 109     !defined(TCC_TARGET_C67) && !defined(TCC_TARGET_X86_64)
 110 #define CONFIG_TCC_BCHECK /* enable bound checking code */
 111 #endif
 112
 113 #if defined(_WIN32) && !defined(TCC_TARGET_PE)
 114 #define CONFIG_TCC_STATIC
 115 #endif
 116
 117 /* define it to include assembler support */
 118 #if !defined(TCC_TARGET_ARM) && !defined(TCC_TARGET_C67)
 119 #define CONFIG_TCC_ASM
 120 #endif
 121
 122 /* object format selection */
 123 #if defined(TCC_TARGET_C67)
 124 #define TCC_TARGET_COFF
 125 #endif
 126
 127 #if !defined(CONFIG_TCCBOOT)
 128 #define CONFIG_TCC_BACKTRACE
 129 #endif
 130
 131 #define FALSE 0
 132 #define false 0
 133 #define TRUE 1
 134 #define true 1
 135 typedef int BOOL;
 136
 137 /* path to find crt1.o, crti.o and crtn.o. Only needed when generating
 138    executables or dlls */
 139 #if defined(TCC_TARGET_X86_64_CENTOS)
 140 # define CONFIG_TCC_CRT_PREFIX CONFIG_SYSROOT "/usr/lib64"
 141 #else
 142 # define CONFIG_TCC_CRT_PREFIX CONFIG_SYSROOT "/usr/lib"
 143 #endif
 144
 145 #define INCLUDE_STACK_SIZE  32
 146 #define IFDEF_STACK_SIZE    64
 147 #define VSTACK_SIZE         256
 148 #define STRING_MAX_SIZE     1024
 149 #define PACK_STACK_SIZE     8
 150
 151 #define TOK_HASH_SIZE       8192 /* must be a power of two */
 152 #define TOK_ALLOC_INCR      512  /* must be a power of two */
 153 #define TOK_MAX_SIZE        4 /* token max size in int unit when stored in string */
 154
 155 /* token symbol management */
 156 typedef struct TokenSym {
 157     struct TokenSym *hash_next;
 158     struct Sym *sym_define; /* direct pointer to define */
 159     struct Sym *sym_label; /* direct pointer to label */
 160     struct Sym *sym_struct; /* direct pointer to structure */
 161     struct Sym *sym_identifier; /* direct pointer to identifier */
 162     int tok; /* token number */
 163     int len;
 164     char str[1];
 165 } TokenSym;
 166
 167 #ifdef TCC_TARGET_PE
 168 typedef unsigned short nwchar_t;
 169 #else
 170 typedef int nwchar_t;
 171 #endif
 172
 173 typedef struct CString {
 174     int size; /* size in bytes */
 175     void *data; /* either 'char *' or 'nwchar_t *' */
 176     int size_allocated;
 177     void *data_allocated; /* if non NULL, data has been malloced */
 178 } CString;
 179
 180 /* type definition */
 181 typedef struct CType {
 182     int t;
 183     struct Sym *ref;
 184 } CType;
 185
 186 /* constant value */
 187 typedef union CValue {
 188     long double ld;
 189     double d;
 190     float f;
 191     int i;
 192     unsigned int ui;
 193     unsigned int ul; /* address (should be unsigned long on 64 bit cpu) */
 194     long long ll;
 195     unsigned long long ull;
 196     struct CString *cstr;
 197     void *ptr;
 198     int tab[2];
 199 } CValue;
 200
 201 /* value on stack */
 202 typedef struct SValue {
 203     CType type;      /* type */
 204     unsigned short r;      /* register + flags */
 205     unsigned short r2;     /* second register, used for 'long long'
 206                               type. If not used, set to VT_CONST */
 207     CValue c;              /* constant, if VT_CONST */
 208     struct Sym *sym;       /* symbol, if (VT_SYM | VT_CONST) */
 209 } SValue;
 210
 211 /* symbol management */
 212 typedef struct Sym {
 213     int v;    /* symbol token */
 214     long r;    /* associated register */
 215     union {
 216         long c;    /* associated number */
 217         int *d;   /* define token stream */
 218     };
 219     CType type;    /* associated type */
 220     union {
 221         struct Sym *next; /* next related symbol */
 222         long jnext; /* next jump label */
 223     };
 224     struct Sym *prev; /* prev symbol in stack */
 225     struct Sym *prev_tok; /* previous symbol for this token */
 226 } Sym;
 227
 228 /* section definition */
 229 /* XXX: use directly ELF structure for parameters ? */
 230 /* special flag to indicate that the section should not be linked to
 231    the other ones */
 232 #define SHF_PRIVATE 0x80000000
 233
 234 /* special flag, too */
 235 #define SECTION_ABS ((void *)1)
 236
 237 typedef struct Section {
 238     unsigned long data_offset; /* current data offset */
 239     unsigned char *data;       /* section data */
 240     unsigned long data_allocated; /* used for realloc() handling */
 241     int sh_name;             /* elf section name (only used during output) */
 242     int sh_num;              /* elf section number */
 243     int sh_type;             /* elf section type */
 244     int sh_flags;            /* elf section flags */
 245     int sh_info;             /* elf section info */
 246     int sh_addralign;        /* elf section alignment */
 247     int sh_entsize;          /* elf entry size */
 248     unsigned long sh_size;   /* section size (only used during output) */
 249     unsigned long sh_addr;      /* address at which the section is relocated */
 250     unsigned long sh_offset;    /* file offset */
 251     int nb_hashed_syms;      /* used to resize the hash table */
 252     struct Section *link;    /* link to another section */
 253     struct Section *reloc;   /* corresponding section for relocation, if any */
 254     struct Section *hash;     /* hash table for symbols */
 255     struct Section *next;
 256     char name[1];           /* section name */
 257 } Section;
 258
 259 typedef struct DLLReference {
 260     int level;
 261     void *handle;
 262     char name[1];
 263 } DLLReference;
 264
 265 /* GNUC attribute definition */
 266 typedef struct AttributeDef {
 267     unsigned
 268       func_call     : 3, /* calling convention (0..5), see below */
 269       aligned       : 5, /* alignement (0..16) */
 270       packed        : 1,
 271       func_export   : 1,
 272       func_import   : 1,
 273       func_args     : 5,
 274       mode          : 4,
 275       weak          : 1,
 276       fill          : 11;
 277     struct Section *section;
 278 } AttributeDef;
 279
 280 /* gr: wrappers for casting sym->r for other purposes */
 281 #define FUNC_CALL(r) (((AttributeDef*)&(r))->func_call)
 282 #define FUNC_EXPORT(r) (((AttributeDef*)&(r))->func_export)
 283 #define FUNC_IMPORT(r) (((AttributeDef*)&(r))->func_import)
 284 #define FUNC_ARGS(r) (((AttributeDef*)&(r))->func_args)
 285 #define FUNC_ALIGN(r) (((AttributeDef*)&(r))->aligned)
 286 #define FUNC_PACKED(r) (((AttributeDef*)&(r))->packed)
 287 #define FUNC_WEAK(r) (((AttributeDef*)&(r))->weak)
 288 #define ATTR_MODE(r)  (((AttributeDef*)&(r))->mode)
 289 #define INT_ATTR(ad) (*(int*)(ad))
 290
 291 /* -------------------------------------------------- */
 292
 293 #define SYM_STRUCT     0x40000000 /* struct/union/enum symbol space */
 294 #define SYM_FIELD      0x20000000 /* struct/union field symbol space */
 295 #define SYM_FIRST_ANOM 0x10000000 /* first anonymous sym */
 296
 297 /* stored in 'Sym.c' field */
 298 #define FUNC_NEW       1 /* ansi function prototype */
 299 #define FUNC_OLD       2 /* old function prototype */
 300 #define FUNC_ELLIPSIS  3 /* ansi function prototype with ... */
 301
 302 /* stored in 'Sym.r' field */
 303 #define FUNC_CDECL     0 /* standard c call */
 304 #define FUNC_STDCALL   1 /* pascal c call */
 305 #define FUNC_FASTCALL1 2 /* first param in %eax */
 306 #define FUNC_FASTCALL2 3 /* first parameters in %eax, %edx */
 307 #define FUNC_FASTCALL3 4 /* first parameter in %eax, %edx, %ecx */
 308 #define FUNC_FASTCALLW 5 /* first parameter in %ecx, %edx */
 309
 310 /* field 'Sym.t' for macros */
 311 #define MACRO_OBJ      0 /* object like macro */
 312 #define MACRO_FUNC     1 /* function like macro */
 313
 314 /* field 'Sym.r' for C labels */
 315 #define LABEL_DEFINED  0 /* label is defined */
 316 #define LABEL_FORWARD  1 /* label is forward defined */
 317 #define LABEL_DECLARED 2 /* label is declared but never used */
 318
 319 /* type_decl() types */
 320 #define TYPE_ABSTRACT  1 /* type without variable */
 321 #define TYPE_DIRECT    2 /* type with variable */
 322
 323 #define IO_BUF_SIZE 8192
 324
 325 typedef struct BufferedFile {
 326     uint8_t *buf_ptr;
 327     uint8_t *buf_end;
 328     int fd;
 329     int line_num;    /* current line number - here to simplify code */
 330     int ifndef_macro;  /* #ifndef macro / #endif search */
 331     int ifndef_macro_saved; /* saved ifndef_macro */
 332     int *ifdef_stack_ptr; /* ifdef_stack value at the start of the file */
 333     char inc_type;          /* type of include */
 334     char inc_filename[512]; /* filename specified by the user */
 335     char filename[1024];    /* current filename - here to simplify code */
 336     unsigned char buffer[IO_BUF_SIZE + 1]; /* extra size for CH_EOB char */
 337 } BufferedFile;
 338
 339 #define CH_EOB   '\\'       /* end of buffer or '\0' char in file */
 340 #define CH_EOF   (-1)   /* end of file */
 341
 342 /* parsing state (used to save parser state to reparse part of the
 343    source several times) */
 344 typedef struct ParseState {
 345     const int *macro_ptr;
 346     int line_num;
 347     int tok;
 348     CValue tokc;
 349 } ParseState;
 350
 351 /* used to record tokens */
 352 typedef struct TokenString {
 353     int *str;
 354     int len;
 355     int allocated_len;
 356     int last_line_num;
 357 } TokenString;
 358
 359 /* inline functions */
 360 typedef struct InlineFunc {
 361     int *token_str;
 362     Sym *sym;
 363     char filename[1];
 364 } InlineFunc;
 365
 366 /* include file cache, used to find files faster and also to eliminate
 367    inclusion if the include file is protected by #ifndef ... #endif */
 368 typedef struct CachedInclude {
 369     int ifndef_macro;
 370     int hash_next; /* -1 if none */
 371     char type; /* '"' or '>' to give include type */
 372     char filename[1]; /* path specified in #include */
 373 } CachedInclude;
 374
 375 #define CACHED_INCLUDES_HASH_SIZE 512
 376
 377 #ifdef CONFIG_TCC_ASM
 378 typedef struct ExprValue {
 379     uint32_t v;
 380     Sym *sym;
 381 } ExprValue;
 382
 383 #define MAX_ASM_OPERANDS 30
 384 typedef struct ASMOperand {
 385     int id; /* GCC 3 optionnal identifier (0 if number only supported */
 386     char *constraint;
 387     char asm_str[16]; /* computed asm string for operand */
 388     SValue *vt; /* C value of the expression */
 389     int ref_index; /* if >= 0, gives reference to a output constraint */
 390     int input_index; /* if >= 0, gives reference to an input constraint */
 391     int priority; /* priority, used to assign registers */
 392     int reg; /* if >= 0, register number used for this operand */
 393     int is_llong; /* true if double register value */
 394     int is_memory; /* true if memory operand */
 395     int is_rw;     /* for '+' modifier */
 396 } ASMOperand;
 397 #endif
 398
 399 struct TCCState {
 400     int output_type;
 401
 402     BufferedFile **include_stack_ptr;
 403     int *ifdef_stack_ptr;
 404
 405     /* include file handling */
 406     char **include_paths;
 407     int nb_include_paths;
 408     char **sysinclude_paths;
 409     int nb_sysinclude_paths;
 410     CachedInclude **cached_includes;
 411     int nb_cached_includes;
 412
 413     char **library_paths;
 414     int nb_library_paths;
 415
 416     /* array of all loaded dlls (including those referenced by loaded
 417        dlls) */
 418     DLLReference **loaded_dlls;
 419     int nb_loaded_dlls;
 420
 421     /* sections */
 422     Section **sections;
 423     int nb_sections; /* number of sections, including first dummy section */
 424
 425     Section **priv_sections;
 426     int nb_priv_sections; /* number of private sections */
 427
 428     /* got handling */
 429     Section *got;
 430     Section *plt;
 431     unsigned long *got_offsets;
 432     int nb_got_offsets;
 433     /* give the correspondance from symtab indexes to dynsym indexes */
 434     int *symtab_to_dynsym;
 435
 436     /* temporary dynamic symbol sections (for dll loading) */
 437     Section *dynsymtab_section;
 438     /* exported dynamic symbol section */
 439     Section *dynsym;
 440
 441     int nostdinc; /* if true, no standard headers are added */
 442     int nostdlib; /* if true, no standard libraries are added */
 443     int nocommon; /* if true, do not use common symbols for .bss data */
 444
 445     /* if true, static linking is performed */
 446     int static_link;
 447
 448     /* soname as specified on the command line (-soname) */
 449     const char *soname;
 450     /* rpath as specified on the command line (-Wl,-rpath=) */
 451     const char *rpath;
 452
 453     /* if true, all symbols are exported */
 454     int rdynamic;
 455
 456     /* if true, resolve symbols in the current module first (-Wl,Bsymbolic) */
 457     int symbolic;
 458
 459     /* if true, only link in referenced objects from archive */
 460     int alacarte_link;
 461
 462     /* address of text section */
 463     unsigned long text_addr;
 464     int has_text_addr;
 465
 466     /* symbols to call at load-time / unload-time */
 467     const char *init_symbol;
 468     const char *fini_symbol;
 469
 470     /* output format, see TCC_OUTPUT_FORMAT_xxx */
 471     int output_format;
 472
 473     /* C language options */
 474     int char_is_unsigned;
 475     int leading_underscore;
 476
 477     /* warning switches */
 478     int warn_write_strings;
 479     int warn_unsupported;
 480     int warn_error;
 481     int warn_none;
 482     int warn_implicit_function_declaration;
 483
 484     /* display some information during compilation */
 485     int verbose;
 486     /* compile with debug symbol (and use them if error during execution) */
 487     int do_debug;
 488 #ifdef CONFIG_TCC_BCHECK
 489     /* compile with built-in memory and bounds checker */
 490     int do_bounds_check;
 491 #endif
 492     /* give the path of the tcc libraries */
 493     char *tcc_lib_path;
 494
 495     /* error handling */
 496     void *error_opaque;
 497     void (*error_func)(void *opaque, const char *msg);
 498     int error_set_jmp_enabled;
 499     jmp_buf error_jmp_buf;
 500     int nb_errors;
 501
 502     /* tiny assembler state */
 503     Sym *asm_labels;
 504
 505     /* see include_stack_ptr */
 506     BufferedFile *include_stack[INCLUDE_STACK_SIZE];
 507
 508     /* see ifdef_stack_ptr */
 509     int ifdef_stack[IFDEF_STACK_SIZE];
 510
 511     /* see cached_includes */
 512     int cached_includes_hash[CACHED_INCLUDES_HASH_SIZE];
 513
 514     /* pack stack */
 515     int pack_stack[PACK_STACK_SIZE];
 516     int *pack_stack_ptr;
 517
 518     /* output file for preprocessing */
 519     FILE *outfile;
 520
 521     /* for tcc_relocate */
 522     int runtime_added;
 523     void *runtime_mem;
 524
 525     struct InlineFunc **inline_fns;
 526     int nb_inline_fns;
 527
 528 #ifdef TCC_TARGET_I386
 529     int seg_size;
 530 #endif
 531
 532     /* section alignment */
 533     unsigned long section_align;
 534
 535 #ifdef TCC_TARGET_PE
 536     /* PE info */
 537     int pe_subsystem;
 538     unsigned long pe_file_align;
 539     struct pe_uw {
 540         Section *pdata;
 541         int sym_1, sym_2, offs_1;
 542     } pe_unwind;
 543 #endif
 544
 545 #ifndef TCC_TARGET_PE
 546 #ifdef TCC_TARGET_X86_64
 547     /* write PLT and GOT here */
 548     char *runtime_plt_and_got;
 549     unsigned int runtime_plt_and_got_offset;
 550 #endif
 551 #endif
 552 };
 553
 554 /* The current value can be: */
 555 #define VT_VALMASK   0x00ff
 556 #define VT_CONST     0x00f0  /* constant in vc
 557                               (must be first non register value) */
 558 #define VT_LLOCAL    0x00f1  /* lvalue, offset on stack */
 559 #define VT_LOCAL     0x00f2  /* offset on stack */
 560 #define VT_CMP       0x00f3  /* the value is stored in processor flags (in vc) */
 561 #define VT_JMP       0x00f4  /* value is the consequence of jmp true (even) */
 562 #define VT_JMPI      0x00f5  /* value is the consequence of jmp false (odd) */
 563 #define VT_LVAL      0x0100  /* var is an lvalue */
 564 #define VT_SYM       0x0200  /* a symbol value is added */
 565 #define VT_MUSTCAST  0x0400  /* value must be casted to be correct (used for
 566                                 char/short stored in integer registers) */
 567 #define VT_MUSTBOUND 0x0800  /* bound checking must be done before
 568                                 dereferencing value */
 569 #define VT_BOUNDED   0x8000  /* value is bounded. The address of the
 570                                 bounding function call point is in vc */
 571 #define VT_LVAL_BYTE     0x1000  /* lvalue is a byte */
 572 #define VT_LVAL_SHORT    0x2000  /* lvalue is a short */
 573 #define VT_LVAL_UNSIGNED 0x4000  /* lvalue is unsigned */
 574 #define VT_LVAL_TYPE     (VT_LVAL_BYTE | VT_LVAL_SHORT | VT_LVAL_UNSIGNED)
 575
 576 /* types */
 577 #define VT_INT        0  /* integer type */
 578 #define VT_BYTE       1  /* signed byte type */
 579 #define VT_SHORT      2  /* short type */
 580 #define VT_VOID       3  /* void type */
 581 #define VT_PTR        4  /* pointer */
 582 #define VT_ENUM       5  /* enum definition */
 583 #define VT_FUNC       6  /* function type */
 584 #define VT_STRUCT     7  /* struct/union definition */
 585 #define VT_FLOAT      8  /* IEEE float */
 586 #define VT_DOUBLE     9  /* IEEE double */
 587 #define VT_LDOUBLE   10  /* IEEE long double */
 588 #define VT_BOOL      11  /* ISOC99 boolean type */
 589 #define VT_LLONG     12  /* 64 bit integer */
 590 #define VT_LONG      13  /* long integer (NEVER USED as type, only
 591                             during parsing) */
 592 #define VT_BTYPE      0x000f /* mask for basic type */
 593 #define VT_UNSIGNED   0x0010  /* unsigned type */
 594 #define VT_ARRAY      0x0020  /* array type (also has VT_PTR) */
 595 #define VT_BITFIELD   0x0040  /* bitfield modifier */
 596 #define VT_CONSTANT   0x0800  /* const modifier */
 597 #define VT_VOLATILE   0x1000  /* volatile modifier */
 598 #define VT_SIGNED     0x2000  /* signed type */
 599
 600 /* storage */
 601 #define VT_EXTERN  0x00000080  /* extern definition */
 602 #define VT_STATIC  0x00000100  /* static variable */
 603 #define VT_TYPEDEF 0x00000200  /* typedef definition */
 604 #define VT_INLINE  0x00000400  /* inline definition */
 605 #define VT_IMPORT  0x00004000  /* win32: extern data imported from dll */
 606 #define VT_EXPORT  0x00008000  /* win32: data exported from dll */
 607
 608 #define VT_STRUCT_SHIFT 16   /* shift for bitfield shift values */
 609
 610 /* type mask (except storage) */
 611 #define VT_STORAGE (VT_EXTERN | VT_STATIC | VT_TYPEDEF | VT_INLINE | VT_IMPORT | VT_EXPORT)
 612 #define VT_TYPE    (~(VT_STORAGE))
 613
 614 /* token values */
 615
 616 /* warning: the following compare tokens depend on i386 asm code */
 617 #define TOK_ULT 0x92
 618 #define TOK_UGE 0x93
 619 #define TOK_EQ  0x94
 620 #define TOK_NE  0x95
 621 #define TOK_ULE 0x96
 622 #define TOK_UGT 0x97
 623 #define TOK_Nset 0x98
 624 #define TOK_Nclear 0x99
 625 #define TOK_LT  0x9c
 626 #define TOK_GE  0x9d
 627 #define TOK_LE  0x9e
 628 #define TOK_GT  0x9f
 629
 630 #define TOK_LAND  0xa0
 631 #define TOK_LOR   0xa1
 632
 633 #define TOK_DEC   0xa2
 634 #define TOK_MID   0xa3 /* inc/dec, to void constant */
 635 #define TOK_INC   0xa4
 636 #define TOK_UDIV  0xb0 /* unsigned division */
 637 #define TOK_UMOD  0xb1 /* unsigned modulo */
 638 #define TOK_PDIV  0xb2 /* fast division with undefined rounding for pointers */
 639 #define TOK_CINT   0xb3 /* number in tokc */
 640 #define TOK_CCHAR 0xb4 /* char constant in tokc */
 641 #define TOK_STR   0xb5 /* pointer to string in tokc */
 642 #define TOK_TWOSHARPS 0xb6 /* ## preprocessing token */
 643 #define TOK_LCHAR    0xb7
 644 #define TOK_LSTR     0xb8
 645 #define TOK_CFLOAT   0xb9 /* float constant */
 646 #define TOK_LINENUM  0xba /* line number info */
 647 #define TOK_CDOUBLE  0xc0 /* double constant */
 648 #define TOK_CLDOUBLE 0xc1 /* long double constant */
 649 #define TOK_UMULL    0xc2 /* unsigned 32x32 -> 64 mul */
 650 #define TOK_ADDC1    0xc3 /* add with carry generation */
 651 #define TOK_ADDC2    0xc4 /* add with carry use */
 652 #define TOK_SUBC1    0xc5 /* add with carry generation */
 653 #define TOK_SUBC2    0xc6 /* add with carry use */
 654 #define TOK_CUINT    0xc8 /* unsigned int constant */
 655 #define TOK_CLLONG   0xc9 /* long long constant */
 656 #define TOK_CULLONG  0xca /* unsigned long long constant */
 657 #define TOK_ARROW    0xcb
 658 #define TOK_DOTS     0xcc /* three dots */
 659 #define TOK_SHR      0xcd /* unsigned shift right */
 660 #define TOK_PPNUM    0xce /* preprocessor number */
 661
 662 #define TOK_SHL   0x01 /* shift left */
 663 #define TOK_SAR   0x02 /* signed shift right */
 664
 665 /* assignement operators : normal operator or 0x80 */
 666 #define TOK_A_MOD 0xa5
 667 #define TOK_A_AND 0xa6
 668 #define TOK_A_MUL 0xaa
 669 #define TOK_A_ADD 0xab
 670 #define TOK_A_SUB 0xad
 671 #define TOK_A_DIV 0xaf
 672 #define TOK_A_XOR 0xde
 673 #define TOK_A_OR  0xfc
 674 #define TOK_A_SHL 0x81
 675 #define TOK_A_SAR 0x82
 676
 677 #ifndef offsetof
 678 #define offsetof(type, field) ((size_t) &((type *)0)->field)
 679 #endif
 680
 681 #ifndef countof
 682 #define countof(tab) (sizeof(tab) / sizeof((tab)[0]))
 683 #endif
 684
 685 #define TOK_EOF       (-1)  /* end of file */
 686 #define TOK_LINEFEED  10    /* line feed */
 687
 688 /* all identificators and strings have token above that */
 689 #define TOK_IDENT 256
 690
 691 #define DEF_ASM(x) DEF(TOK_ASM_ ## x, #x)
 692 #define TOK_ASM_int TOK_INT
 693
 694 #if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
 695 /* only used for i386 asm opcodes definitions */
 696 #define DEF_BWL(x) \
 697  DEF(TOK_ASM_ ## x ## b, #x "b") \
 698  DEF(TOK_ASM_ ## x ## w, #x "w") \
 699  DEF(TOK_ASM_ ## x ## l, #x "l") \
 700  DEF(TOK_ASM_ ## x, #x)
 701 #define DEF_WL(x) \
 702  DEF(TOK_ASM_ ## x ## w, #x "w") \
 703  DEF(TOK_ASM_ ## x ## l, #x "l") \
 704  DEF(TOK_ASM_ ## x, #x)
 705 #ifdef TCC_TARGET_X86_64
 706 # define DEF_BWLQ(x) \
 707  DEF(TOK_ASM_ ## x ## b, #x "b") \
 708  DEF(TOK_ASM_ ## x ## w, #x "w") \
 709  DEF(TOK_ASM_ ## x ## l, #x "l") \
 710  DEF(TOK_ASM_ ## x ## q, #x "q") \
 711  DEF(TOK_ASM_ ## x, #x)
 712 # define DEF_WLQ(x) \
 713  DEF(TOK_ASM_ ## x ## w, #x "w") \
 714  DEF(TOK_ASM_ ## x ## l, #x "l") \
 715  DEF(TOK_ASM_ ## x ## q, #x "q") \
 716  DEF(TOK_ASM_ ## x, #x)
 717 # define DEF_BWLX DEF_BWLQ
 718 # define DEF_WLX DEF_WLQ
 719 /* number of sizes + 1 */
 720 # define NBWLX 5
 721 #else
 722 # define DEF_BWLX DEF_BWL
 723 # define DEF_WLX DEF_WL
 724 /* number of sizes + 1 */
 725 # define NBWLX 4
 726 #endif
 727
 728 #define DEF_FP1(x) \
 729  DEF(TOK_ASM_ ## f ## x ## s, "f" #x "s") \
 730  DEF(TOK_ASM_ ## fi ## x ## l, "fi" #x "l") \
 731  DEF(TOK_ASM_ ## f ## x ## l, "f" #x "l") \
 732  DEF(TOK_ASM_ ## fi ## x ## s, "fi" #x "s")
 733
 734 #define DEF_FP(x) \
 735  DEF(TOK_ASM_ ## f ## x, "f" #x ) \
 736  DEF(TOK_ASM_ ## f ## x ## p, "f" #x "p") \
 737  DEF_FP1(x)
 738
 739 #define DEF_ASMTEST(x) \
 740  DEF_ASM(x ## o) \
 741  DEF_ASM(x ## no) \
 742  DEF_ASM(x ## b) \
 743  DEF_ASM(x ## c) \
 744  DEF_ASM(x ## nae) \
 745  DEF_ASM(x ## nb) \
 746  DEF_ASM(x ## nc) \
 747  DEF_ASM(x ## ae) \
 748  DEF_ASM(x ## e) \
 749  DEF_ASM(x ## z) \
 750  DEF_ASM(x ## ne) \
 751  DEF_ASM(x ## nz) \
 752  DEF_ASM(x ## be) \
 753  DEF_ASM(x ## na) \
 754  DEF_ASM(x ## nbe) \
 755  DEF_ASM(x ## a) \
 756  DEF_ASM(x ## s) \
 757  DEF_ASM(x ## ns) \
 758  DEF_ASM(x ## p) \
 759  DEF_ASM(x ## pe) \
 760  DEF_ASM(x ## np) \
 761  DEF_ASM(x ## po) \
 762  DEF_ASM(x ## l) \
 763  DEF_ASM(x ## nge) \
 764  DEF_ASM(x ## nl) \
 765  DEF_ASM(x ## ge) \
 766  DEF_ASM(x ## le) \
 767  DEF_ASM(x ## ng) \
 768  DEF_ASM(x ## nle) \
 769  DEF_ASM(x ## g)
 770
 771 #endif // defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
 772
 773 enum tcc_token {
 774     TOK_LAST = TOK_IDENT - 1,
 775 #define DEF(id, str) id,
 776 #include "tcctok.h"
 777 #undef DEF
 778 };
 779
 780 #define TOK_UIDENT TOK_DEFINE
 781
 782 #ifdef _WIN32
 783 #define snprintf _snprintf
 784 #define vsnprintf _vsnprintf
 785 #ifndef __GNUC__
 786   #define strtold (long double)strtod
 787   #define strtof (float)strtod
 788   #define strtoll (long long)strtol
 789 #endif
 790 #elif defined(TCC_UCLIBC) || defined(__FreeBSD__) || defined(__DragonFly__) \
 791     || defined(__OpenBSD__)
 792 /* currently incorrect */
 793 static inline long double strtold(const char *nptr, char **endptr)
 794 {
 795     return (long double)strtod(nptr, endptr);
 796 }
 797 static inline float strtof(const char *nptr, char **endptr)
 798 {
 799     return (float)strtod(nptr, endptr);
 800 }
 801 #else
 802 /* XXX: need to define this to use them in non ISOC99 context */
 803 extern float strtof (const char *__nptr, char **__endptr);
 804 extern long double strtold (const char *__nptr, char **__endptr);
 805 #endif
 806
 807 #ifdef _WIN32
 808 #define IS_PATHSEP(c) (c == '/' || c == '\\')
 809 #define IS_ABSPATH(p) (IS_PATHSEP(p[0]) || (p[0] && p[1] == ':' && IS_PATHSEP(p[2])))
 810 #define PATHCMP stricmp
 811 #else
 812 #define IS_PATHSEP(c) (c == '/')
 813 #define IS_ABSPATH(p) IS_PATHSEP(p[0])
 814 #define PATHCMP strcmp
 815 #endif
 816
 817 /* space exlcuding newline */
 818 static inline int is_space(int ch)
 819 {
 820     return ch == ' ' || ch == '\t' || ch == '\v' || ch == '\f' || ch == '\r';
 821 }
 822
 823 static inline int isid(int c)
 824 {
 825     return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || c == '_';
 826 }
 827
 828 static inline int isnum(int c)
 829 {
 830     return c >= '0' && c <= '9';
 831 }
 832
 833 static inline int isoct(int c)
 834 {
 835     return c >= '0' && c <= '7';
 836 }
 837
 838 static inline int toup(int c)
 839 {
 840     return (c >= 'a' && c <= 'z') ? c - 'a' + 'A' : c;
 841 }
 842
 843 #define PUB_FUNC
 844
 845 #ifndef NOTALLINONE
 846 #define ST_INLN static inline
 847 #define ST_FUNC static
 848 #define ST_DATA static
 849 #else
 850 #define ST_INLN
 851 #define ST_FUNC
 852 #define ST_DATA extern
 853 #endif
 854
 855 /* ------------ libtcc.c ------------ */
 856
 857 /* use GNU C extensions */
 858 ST_DATA int gnu_ext;
 859 /* use Tiny C extensions */
 860 ST_DATA int tcc_ext;
 861 /* XXX: get rid of this ASAP */
 862 ST_DATA struct TCCState *tcc_state;
 863
 864 #ifdef CONFIG_TCC_BACKTRACE
 865 ST_DATA int num_callers;
 866 ST_DATA const char **rt_bound_error_msg;
 867 ST_DATA void *rt_prog_main;
 868 #endif
 869
 870 #define AFF_PRINT_ERROR     0x0001 /* print error if file not found */
 871 #define AFF_REFERENCED_DLL  0x0002 /* load a referenced dll from another dll */
 872 #define AFF_PREPROCESS      0x0004 /* preprocess file */
 873
 874 /* public functions currently used by the tcc main function */
 875 PUB_FUNC char *pstrcpy(char *buf, int buf_size, const char *s);
 876 PUB_FUNC char *pstrcat(char *buf, int buf_size, const char *s);
 877 PUB_FUNC char *tcc_basename(const char *name);
 878 PUB_FUNC char *tcc_fileextension (const char *name);
 879 PUB_FUNC void tcc_free(void *ptr);
 880 PUB_FUNC void *tcc_malloc(unsigned long size);
 881 PUB_FUNC void *tcc_mallocz(unsigned long size);
 882 PUB_FUNC void *tcc_realloc(void *ptr, unsigned long size);
 883 PUB_FUNC char *tcc_strdup(const char *str);
 884 #define free(p) use_tcc_free(p)
 885 #define malloc(s) use_tcc_malloc(s)
 886 #define realloc(p, s) use_tcc_realloc(p, s)
 887 #undef strdup
 888 #define strdup(s) use_tcc_strdup(s)
 889 PUB_FUNC void tcc_memstats(void);
 890 PUB_FUNC void dynarray_add(void ***ptab, int *nb_ptr, void *data);
 891 PUB_FUNC void dynarray_reset(void *pp, int *n);
 892 PUB_FUNC void error_noabort(const char *fmt, ...);
 893 PUB_FUNC void error(const char *fmt, ...);
 894 PUB_FUNC void expect(const char *msg);
 895 PUB_FUNC void warning(const char *fmt, ...);
 896
 897 /* other utilities */
 898 ST_INLN void cstr_ccat(CString *cstr, int ch);
 899 ST_FUNC void cstr_cat(CString *cstr, const char *str);
 900 ST_FUNC void cstr_wccat(CString *cstr, int ch);
 901 ST_FUNC void cstr_new(CString *cstr);
 902 ST_FUNC void cstr_free(CString *cstr);
 903 ST_FUNC void add_char(CString *cstr, int c);
 904 #define cstr_reset(cstr) cstr_free(cstr)
 905
 906 ST_FUNC Section *new_section(TCCState *s1, const char *name, int sh_type, int sh_flags);
 907 ST_FUNC void section_realloc(Section *sec, unsigned long new_size);
 908 ST_FUNC void *section_ptr_add(Section *sec, unsigned long size);
 909 ST_FUNC void section_reserve(Section *sec, unsigned long size);
 910 ST_FUNC Section *find_section(TCCState *s1, const char *name);
 911
 912 ST_FUNC void put_extern_sym2(Sym *sym, Section *section, unsigned long value, unsigned long size, int can_add_underscore);
 913 ST_FUNC void put_extern_sym(Sym *sym, Section *section, unsigned long value, unsigned long size);
 914 ST_FUNC void greloc(Section *s, Sym *sym, unsigned long offset, int type);
 915
 916 ST_INLN void sym_free(Sym *sym);
 917 ST_FUNC Sym *sym_push2(Sym **ps, int v, int t, long c);
 918 ST_FUNC Sym *sym_find2(Sym *s, int v);
 919 ST_FUNC Sym *sym_push(int v, CType *type, int r, int c);
 920 ST_FUNC void sym_pop(Sym **ptop, Sym *b);
 921 ST_INLN Sym *struct_find(int v);
 922 ST_INLN Sym *sym_find(int v);
 923 ST_FUNC Sym *global_identifier_push(int v, int t, int c);
 924
 925 ST_FUNC BufferedFile *tcc_open(TCCState *s1, const char *filename);
 926 ST_FUNC void tcc_close(BufferedFile *bf);
 927 ST_FUNC int tcc_add_dll(TCCState *s, const char *filename, int flags);
 928 PUB_FUNC int tcc_set_flag(TCCState *s, const char *flag_name, int value);
 929 PUB_FUNC void tcc_print_stats(TCCState *s, int64_t total_time);
 930 PUB_FUNC void set_num_callers(int n);
 931
 932 ST_FUNC int ieee_finite(double d);
 933
 934 /* ------------ tccpp.c ------------ */
 935
 936 ST_DATA struct BufferedFile *file;
 937 ST_DATA int ch, tok;
 938 ST_DATA CValue tokc;
 939 ST_DATA const int *macro_ptr;
 940 ST_DATA int parse_flags;
 941 ST_DATA int tok_flags;
 942 ST_DATA CString tokcstr; /* current parsed string, if any */
 943
 944 /* display benchmark infos */
 945 ST_DATA int total_lines;
 946 ST_DATA int total_bytes;
 947 ST_DATA int tok_ident;
 948 ST_DATA TokenSym **table_ident;
 949
 950 #define TOK_FLAG_BOL   0x0001 /* beginning of line before */
 951 #define TOK_FLAG_BOF   0x0002 /* beginning of file before */
 952 #define TOK_FLAG_ENDIF 0x0004 /* a endif was found matching starting #ifdef */
 953 #define TOK_FLAG_EOF   0x0008 /* end of file */
 954
 955 #define PARSE_FLAG_PREPROCESS 0x0001 /* activate preprocessing */
 956 #define PARSE_FLAG_TOK_NUM    0x0002 /* return numbers instead of TOK_PPNUM */
 957 #define PARSE_FLAG_LINEFEED   0x0004 /* line feed is returned as a
 958                                         token. line feed is also
 959                                         returned at eof */
 960 #define PARSE_FLAG_ASM_COMMENTS 0x0008 /* '#' can be used for line comment */
 961 #define PARSE_FLAG_SPACES     0x0010 /* next() returns space tokens (for -E) */
 962
 963 ST_FUNC TokenSym *tok_alloc(const char *str, int len);
 964 ST_FUNC char *get_tok_str(int v, CValue *cv);
 965 ST_FUNC void save_parse_state(ParseState *s);
 966 ST_FUNC void restore_parse_state(ParseState *s);
 967 ST_INLN void tok_str_new(TokenString *s);
 968 ST_FUNC void tok_str_free(int *str);
 969 ST_FUNC void tok_str_add(TokenString *s, int t);
 970 ST_FUNC void tok_str_add_tok(TokenString *s);
 971 ST_INLN void define_push(int v, int macro_type, int *str, Sym *first_arg);
 972 ST_FUNC void define_undef(Sym *s);
 973 ST_INLN Sym *define_find(int v);
 974 ST_FUNC void free_defines(Sym *b);
 975 ST_FUNC Sym *label_find(int v);
 976 ST_FUNC Sym *label_push(Sym **ptop, int v, int flags);
 977 ST_FUNC void label_pop(Sym **ptop, Sym *slast);
 978 ST_FUNC void parse_define(void);
 979 ST_FUNC void preprocess(int is_bof);
 980 ST_FUNC void next_nomacro(void);
 981 ST_FUNC void next(void);
 982 ST_INLN void unget_tok(int last_tok);
 983 ST_FUNC void preprocess_init(TCCState *s1);
 984 ST_FUNC void preprocess_new();
 985 ST_FUNC int tcc_preprocess(TCCState *s1);
 986 ST_FUNC void skip(int c);
 987
 988 /* ------------ tccgen.c ------------ */
 989
 990 ST_DATA Section *text_section, *data_section, *bss_section; /* predefined sections */
 991 ST_DATA Section *cur_text_section; /* current section where function code is generated */
 992 #ifdef CONFIG_TCC_ASM
 993 ST_DATA Section *last_text_section; /* to handle .previous asm directive */
 994 #endif
 995 #ifdef CONFIG_TCC_BCHECK
 996 /* bound check related sections */
 997 ST_DATA Section *bounds_section; /* contains global data bound description */
 998 ST_DATA Section *lbounds_section; /* contains local data bound description */
 999 #endif
1000 /* symbol sections */
1001 ST_DATA Section *symtab_section, *strtab_section;
1002 /* debug sections */
1003 ST_DATA Section *stab_section, *stabstr_section;
1004
1005 #define SYM_POOL_NB (8192 / sizeof(Sym))
1006 ST_DATA Sym *sym_free_first;
1007 ST_DATA void **sym_pools;
1008 ST_DATA int nb_sym_pools;
1009
1010 ST_DATA Sym *global_stack;
1011 ST_DATA Sym *local_stack;
1012 ST_DATA Sym *local_label_stack;
1013 ST_DATA Sym *global_label_stack;
1014 ST_DATA Sym *define_stack;
1015 ST_DATA CType char_pointer_type, func_old_type, int_type;
1016 ST_DATA SValue vstack[VSTACK_SIZE], *vtop;
1017 ST_DATA int rsym, anon_sym, ind, loc;
1018
1019 ST_DATA int const_wanted; /* true if constant wanted */
1020 ST_DATA int nocode_wanted; /* true if no code generation wanted for an expression */
1021 ST_DATA int global_expr;  /* true if compound literals must be allocated globally (used during initializers parsing */
1022 ST_DATA CType func_vt; /* current function return type (used by return instruction) */
1023 ST_DATA int func_vc;
1024 ST_DATA int last_line_num, last_ind, func_ind; /* debug last line number and pc */
1025 ST_DATA char *funcname;
1026
1027 ST_INLN int is_float(int t);
1028 ST_FUNC void test_lvalue(void);
1029 ST_FUNC void swap(int *p, int *q);
1030 ST_FUNC void vpushi(int v);
1031 ST_FUNC Sym *external_global_sym(int v, CType *type, int r);
1032 ST_FUNC void vset(CType *type, int r, int v);
1033 ST_FUNC void vswap(void);
1034 ST_FUNC void vpush_global_sym(CType *type, int v);
1035 ST_FUNC void vrott(int n);
1036 #ifdef TCC_TARGET_ARM
1037 ST_FUNC int get_reg_ex(int rc, int rc2);
1038 ST_FUNC void vnrott(int n);
1039 ST_FUNC void lexpand_nr(void);
1040 #endif
1041 ST_FUNC void vpushv(SValue *v);
1042 ST_FUNC void save_reg(int r);
1043 ST_FUNC int get_reg(int rc);
1044 ST_FUNC void save_regs(int n);
1045 ST_FUNC int gv(int rc);
1046 ST_FUNC void gv2(int rc1, int rc2);
1047 ST_FUNC void vpop(void);
1048 ST_FUNC void gen_op(int op);
1049 ST_FUNC int type_size(CType *type, int *a);
1050 ST_FUNC void mk_pointer(CType *type);
1051 ST_FUNC void vstore(void);
1052 ST_FUNC void inc(int post, int c);
1053 ST_FUNC int lvalue_type(int t);
1054 ST_FUNC void indir(void);
1055 ST_FUNC void unary(void);
1056 ST_FUNC void expr_prod(void);
1057 ST_FUNC void expr_sum(void);
1058 ST_FUNC void gexpr(void);
1059 ST_FUNC int expr_const(void);
1060 ST_FUNC void gen_inline_functions(void);
1061 ST_FUNC void decl(int l);
1062 #if defined CONFIG_TCC_BCHECK || defined TCC_TARGET_C67
1063 ST_FUNC Sym *get_sym_ref(CType *type, Section *sec, unsigned long offset, unsigned long size);
1064 #endif
1065
1066 /* ------------ tccelf.c ------------ */
1067
1068 #define ARMAG  "!<arch>\012"    /* For COFF and a.out archives */
1069
1070 typedef struct {
1071     unsigned int n_strx;         /* index into string table of name */
1072     unsigned char n_type;         /* type of symbol */
1073     unsigned char n_other;        /* misc info (usually empty) */
1074     unsigned short n_desc;        /* description field */
1075     unsigned int n_value;        /* value of symbol */
1076 } Stab_Sym;
1077
1078 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);
1079
1080 ST_FUNC int put_elf_str(Section *s, const char *sym);
1081 ST_FUNC int put_elf_sym(Section *s, uplong value, unsigned long size, int info, int other, int shndx, const char *name);
1082 ST_FUNC int add_elf_sym(Section *s, uplong value, unsigned long size, int info, int other, int sh_num, const char *name);
1083 ST_FUNC int find_elf_sym(Section *s, const char *name);
1084 ST_FUNC void put_elf_reloc(Section *symtab, Section *s, unsigned long offset, int type, int symbol);
1085
1086 ST_FUNC void put_stabs(const char *str, int type, int other, int desc, unsigned long value);
1087 ST_FUNC void put_stabs_r(const char *str, int type, int other, int desc, unsigned long value, Section *sec, int sym_index);
1088 ST_FUNC void put_stabn(int type, int other, int desc, int value);
1089 ST_FUNC void put_stabd(int type, int other, int desc);
1090
1091 ST_FUNC void relocate_common_syms(void);
1092 ST_FUNC void relocate_syms(TCCState *s1, int do_resolve);
1093 ST_FUNC void relocate_section(TCCState *s1, Section *s);
1094
1095 ST_FUNC void tcc_add_linker_symbols(TCCState *s1);
1096 ST_FUNC int tcc_load_object_file(TCCState *s1, int fd, unsigned long file_offset);
1097 ST_FUNC int tcc_load_archive(TCCState *s1, int fd);
1098 ST_FUNC void *tcc_get_symbol_err(TCCState *s, const char *name);
1099 ST_FUNC void tcc_add_bcheck(TCCState *s1);
1100
1101 ST_FUNC void build_got_entries(TCCState *s1);
1102 ST_FUNC void tcc_add_runtime(TCCState *s1);
1103
1104 #ifndef TCC_TARGET_PE
1105 ST_FUNC int tcc_load_dll(TCCState *s1, int fd, const char *filename, int level);
1106 ST_FUNC int tcc_load_ldscript(TCCState *s1);
1107 ST_FUNC uint8_t *parse_comment(uint8_t *p);
1108 ST_FUNC void minp(void);
1109 ST_INLN void inp(void);
1110 ST_FUNC int handle_eob(void);
1111 #endif
1112
1113 /* ------------ xxx-gen.c ------------ */
1114
1115 ST_FUNC void gsym_addr(int t, int a);
1116 ST_FUNC void gsym(int t);
1117 ST_FUNC void load(int r, SValue *sv);
1118 ST_FUNC void store(int r, SValue *v);
1119 ST_FUNC void gfunc_call(int nb_args);
1120 ST_FUNC void gfunc_prolog(CType *func_type);
1121 ST_FUNC void gfunc_epilog(void);
1122 ST_FUNC int gjmp(int t);
1123 ST_FUNC void gjmp_addr(int a);
1124 ST_FUNC int gtst(int inv, int t);
1125 ST_FUNC void gen_opi(int op);
1126 ST_FUNC void gen_opf(int op);
1127 ST_FUNC void gen_cvt_ftoi(int t);
1128 ST_FUNC void gen_cvt_ftof(int t);
1129 ST_FUNC void ggoto(void);
1130 #ifndef TCC_TARGET_C67
1131 ST_FUNC void o(unsigned int c);
1132 #endif
1133 #ifndef TCC_TARGET_ARM
1134 ST_FUNC void gen_cvt_itof(int t);
1135 #endif
1136
1137 /* ------------ i386-gen.c ------------ */
1138 #if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
1139 ST_FUNC void g(int c);
1140 ST_FUNC int oad(int c, int s);
1141 ST_FUNC void gen_le16(int c);
1142 ST_FUNC void gen_le32(int c);
1143 ST_FUNC void gen_addr32(int r, Sym *sym, int c);
1144 ST_FUNC void gen_addrpc32(int r, Sym *sym, int c);
1145 #endif
1146
1147 #ifdef CONFIG_TCC_BCHECK
1148 ST_FUNC void gen_bounded_ptr_add(void);
1149 ST_FUNC void gen_bounded_ptr_deref(void);
1150 #endif
1151
1152 /* ------------ x86_64-gen.c ------------ */
1153 #ifdef TCC_TARGET_X86_64
1154 ST_FUNC void gen_addr64(int r, Sym *sym, int64_t c);
1155 #endif
1156
1157 /* ------------ arm-gen.c ------------ */
1158 #ifdef TCC_TARGET_ARM
1159 ST_FUNC unsigned long encbranch(int pos,int addr,int fail);
1160 ST_FUNC void gen_cvt_itof1(int t);
1161 #endif
1162
1163 /* ------------ c67-gen.c ------------ */
1164 #ifdef TCC_TARGET_C67
1165 #endif
1166
1167 /* ------------ tcccoff.c ------------ */
1168
1169 #ifdef TCC_TARGET_COFF
1170 ST_FUNC int tcc_output_coff(TCCState *s1, FILE *f);
1171 ST_FUNC int tcc_load_coff(TCCState * s1, int fd);
1172 #endif
1173
1174 /* ------------ tccasm.c ------------ */
1175 ST_FUNC void asm_instr(void);
1176 ST_FUNC void asm_global_instr(void);
1177
1178 #ifdef CONFIG_TCC_ASM
1179 ST_FUNC int find_constraint(ASMOperand *operands, int nb_operands, const char *name, const char **pp);
1180 ST_FUNC void asm_expr(TCCState *s1, ExprValue *pe);
1181 ST_FUNC int asm_int_expr(TCCState *s1);
1182 ST_FUNC int tcc_assemble(TCCState *s1, int do_preprocess);
1183 /* ------------ i386-asm.c ------------ */
1184 ST_FUNC void gen_expr32(ExprValue *pe);
1185 ST_FUNC void asm_opcode(TCCState *s1, int opcode);
1186 ST_FUNC void asm_compute_constraints(ASMOperand *operands, int nb_operands, int nb_outputs, const uint8_t *clobber_regs, int *pout_reg);
1187 ST_FUNC void subst_asm_operand(CString *add_str, SValue *sv, int modifier);
1188 ST_FUNC void asm_gen_code(ASMOperand *operands, int nb_operands, int nb_outputs, int is_output, uint8_t *clobber_regs, int out_reg);
1189 ST_FUNC void asm_clobber(uint8_t *clobber_regs, const char *str);
1190 #endif
1191 /* ------------ tccpe.c -------------- */
1192 #ifdef TCC_TARGET_PE
1193 ST_FUNC int pe_load_file(struct TCCState *s1, const char *filename, int fd);
1194 ST_FUNC int pe_add_dll(struct TCCState *s, const char *libraryname);
1195 ST_FUNC int pe_output_file(TCCState * s1, const char *filename);
1196 ST_FUNC int pe_putimport(TCCState *s1, int dllindex, const char *name, const void *value);
1197 ST_FUNC SValue *pe_getimport(SValue *sv, SValue *v2);
1198 /* tiny_impdef.c */
1199 ST_FUNC char *get_export_names(FILE *fp);
1200 #ifdef TCC_TARGET_X86_64
1201 ST_FUNC void pe_add_unwind_data(unsigned start, unsigned end, unsigned stack);
1202 #endif
1203 #endif
1204
1205 /* ------------ tccrun.c ----------------- */
1206 #ifdef CONFIG_TCC_STATIC
1207 #define RTLD_LAZY       0x001
1208 #define RTLD_NOW        0x002
1209 #define RTLD_GLOBAL     0x100
1210 #define RTLD_DEFAULT    NULL
1211 /* dummy function for profiling */
1212 ST_FUNC void *dlopen(const char *filename, int flag);
1213 ST_FUNC void dlclose(void *p);
1214 //ST_FUNC const char *dlerror(void);
1215 ST_FUNC void *resolve_sym(TCCState *s1, const char *symbol);
1216 #elif !defined TCC_TARGET_PE || !defined _WIN32
1217 ST_FUNC void *resolve_sym(TCCState *s1, const char *symbol);
1218 #endif
1219 /********************************************************/
1220 /* include the target specific definitions */
1221
1222 #define TARGET_DEFS_ONLY
1223 #ifdef TCC_TARGET_I386
1224 #include "i386-gen.c"
1225 #endif
1226 #ifdef TCC_TARGET_X86_64
1227 #include "x86_64-gen.c"
1228 #endif
1229 #ifdef TCC_TARGET_ARM
1230 #include "arm-gen.c"
1231 #endif
1232 #ifdef TCC_TARGET_C67
1233 #include "coff.h"
1234 #include "c67-gen.c"
1235 #endif
1236 #undef TARGET_DEFS_ONLY
1237
1238 ST_DATA const int reg_classes[NB_REGS];
1239
1240 /********************************************************/
1241 #undef ST_DATA
1242 #ifndef NOTALLINONE
1243 #define ST_DATA static
1244 #else
1245 #define ST_DATA
1246 #endif
1247 /********************************************************/
1248 #endif /* _TCC_H */