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