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 <process.h>
  48 #include <sys/timeb.h>
  49 #include <io.h> /* open, close etc. */
  50 #include <direct.h> /* getcwd */
  51 #define inline __inline
  52 #define inp next_inp
  53 #ifdef _WIN64
  54 #define uplong unsigned long long
  55 #endif
  56 #endif
  57
  58 #ifndef _WIN32
  59 #include <unistd.h>
  60 #include <sys/time.h>
  61 #include <sys/ucontext.h>
  62 #include <sys/mman.h>
  63 #include <dlfcn.h>
  64 #endif
  65
  66 #endif /* !CONFIG_TCCBOOT */
  67
  68 #ifndef uplong
  69 #define uplong unsigned long
  70 #endif
  71
  72 #ifndef PAGESIZE
  73 #define PAGESIZE 4096
  74 #endif
  75
  76 #include "elf.h"
  77 #include "stab.h"
  78
  79 #ifndef O_BINARY
  80 #define O_BINARY 0
  81 #endif
  82
  83 #ifndef SA_SIGINFO
  84 #define SA_SIGINFO 0x00000004u
  85 #endif
  86
  87 #include "libtcc.h"
  88
  89 /* parser debug */
  90 //#define PARSE_DEBUG
  91 /* preprocessor debug */
  92 //#define PP_DEBUG
  93 /* include file debug */
  94 //#define INC_DEBUG
  95
  96 //#define MEM_DEBUG
  97
  98 /* assembler debug */
  99 //#define ASM_DEBUG
 100
 101 /* target selection */
 102 //#define TCC_TARGET_I386   /* i386 code generator */
 103 //#define TCC_TARGET_ARM    /* ARMv4 code generator */
 104 //#define TCC_TARGET_C67    /* TMS320C67xx code generator */
 105 //#define TCC_TARGET_X86_64 /* x86-64 code generator */
 106
 107 /* default target is I386 */
 108 #if !defined(TCC_TARGET_I386) && !defined(TCC_TARGET_ARM) && \
 109     !defined(TCC_TARGET_C67) && !defined(TCC_TARGET_X86_64)
 110 #define TCC_TARGET_I386
 111 #endif
 112
 113 #if !defined(TCC_UCLIBC) && !defined(TCC_TARGET_ARM) && \
 114     !defined(TCC_TARGET_C67) && !defined(TCC_TARGET_X86_64)
 115 #define CONFIG_TCC_BCHECK /* enable bound checking code */
 116 #endif
 117
 118 #if defined(_WIN32) && !defined(TCC_TARGET_PE)
 119 #define CONFIG_TCC_STATIC
 120 #endif
 121
 122 /* define it to include assembler support */
 123 #if !defined(TCC_TARGET_ARM) && !defined(TCC_TARGET_C67)
 124 #define CONFIG_TCC_ASM
 125 #endif
 126
 127 /* object format selection */
 128 #if defined(TCC_TARGET_C67)
 129 #define TCC_TARGET_COFF
 130 #endif
 131
 132 #if !defined(CONFIG_TCCBOOT)
 133 #define CONFIG_TCC_BACKTRACE
 134 #endif
 135
 136 #define FALSE 0
 137 #define false 0
 138 #define TRUE 1
 139 #define true 1
 140 typedef int BOOL;
 141
 142 /* See definition of default values of CONFIG_TCC_LDDIR, CONFIG_TCC_CRT_PREFIX,
 143    CONFIG_TCC_SYSINCLUDE_PATHS and CONFIG_TCC_LIBPATH in config.h or configure
 144  */
 145
 146 #define INCLUDE_STACK_SIZE  32
 147 #define IFDEF_STACK_SIZE    64
 148 #define VSTACK_SIZE         256
 149 #define STRING_MAX_SIZE     1024
 150 #define PACK_STACK_SIZE     8
 151
 152 #define TOK_HASH_SIZE       8192 /* must be a power of two */
 153 #define TOK_ALLOC_INCR      512  /* must be a power of two */
 154 #define TOK_MAX_SIZE        4 /* token max size in int unit when stored in string */
 155
 156 /* token symbol management */
 157 typedef struct TokenSym {
 158     struct TokenSym *hash_next;
 159     struct Sym *sym_define; /* direct pointer to define */
 160     struct Sym *sym_label; /* direct pointer to label */
 161     struct Sym *sym_struct; /* direct pointer to structure */
 162     struct Sym *sym_identifier; /* direct pointer to identifier */
 163     int tok; /* token number */
 164     int len;
 165     char str[1];
 166 } TokenSym;
 167
 168 #ifdef TCC_TARGET_PE
 169 typedef unsigned short nwchar_t;
 170 #else
 171 typedef int nwchar_t;
 172 #endif
 173
 174 typedef struct CString {
 175     int size; /* size in bytes */
 176     void *data; /* either 'char *' or 'nwchar_t *' */
 177     int size_allocated;
 178     void *data_allocated; /* if non NULL, data has been malloced */
 179 } CString;
 180
 181 /* type definition */
 182 typedef struct CType {
 183     int t;
 184     struct Sym *ref;
 185 } CType;
 186
 187 /* constant value */
 188 typedef union CValue {
 189     long double ld;
 190     double d;
 191     float f;
 192     int i;
 193     unsigned int ui;
 194     unsigned int ul; /* address (should be unsigned long on 64 bit cpu) */
 195     long long ll;
 196     unsigned long long ull;
 197     struct CString *cstr;
 198     void *ptr;
 199     int tab[2];
 200 } CValue;
 201
 202 /* value on stack */
 203 typedef struct SValue {
 204     CType type;      /* type */
 205     unsigned short r;      /* register + flags */
 206     unsigned short r2;     /* second register, used for 'long long'
 207                               type. If not used, set to VT_CONST */
 208     CValue c;              /* constant, if VT_CONST */
 209     struct Sym *sym;       /* symbol, if (VT_SYM | VT_CONST) */
 210 } SValue;
 211
 212 /* symbol management */
 213 typedef struct Sym {
 214     int v;    /* symbol token */
 215     char *asm_label;    /* associated asm label */
 216     long r;    /* associated register */
 217     union {
 218         long c;    /* associated number */
 219         int *d;   /* define token stream */
 220     };
 221     CType type;    /* associated type */
 222     union {
 223         struct Sym *next; /* next related symbol */
 224         long jnext; /* next jump label */
 225     };
 226     struct Sym *prev; /* prev symbol in stack */
 227     struct Sym *prev_tok; /* previous symbol for this token */
 228 } Sym;
 229
 230 /* section definition */
 231 /* XXX: use directly ELF structure for parameters ? */
 232 /* special flag to indicate that the section should not be linked to
 233    the other ones */
 234 #define SHF_PRIVATE 0x80000000
 235
 236 /* special flag, too */
 237 #define SECTION_ABS ((void *)1)
 238
 239 typedef struct Section {
 240     unsigned long data_offset; /* current data offset */
 241     unsigned char *data;       /* section data */
 242     unsigned long data_allocated; /* used for realloc() handling */
 243     int sh_name;             /* elf section name (only used during output) */
 244     int sh_num;              /* elf section number */
 245     int sh_type;             /* elf section type */
 246     int sh_flags;            /* elf section flags */
 247     int sh_info;             /* elf section info */
 248     int sh_addralign;        /* elf section alignment */
 249     int sh_entsize;          /* elf entry size */
 250     unsigned long sh_size;   /* section size (only used during output) */
 251     unsigned long sh_addr;      /* address at which the section is relocated */
 252     unsigned long sh_offset;    /* file offset */
 253     int nb_hashed_syms;      /* used to resize the hash table */
 254     struct Section *link;    /* link to another section */
 255     struct Section *reloc;   /* corresponding section for relocation, if any */
 256     struct Section *hash;     /* hash table for symbols */
 257     struct Section *next;
 258     char name[1];           /* section name */
 259 } Section;
 260
 261 typedef struct DLLReference {
 262     int level;
 263     void *handle;
 264     char name[1];
 265 } DLLReference;
 266
 267 /* GNUC attribute definition */
 268 typedef struct AttributeDef {
 269     unsigned
 270       func_call     : 3, /* calling convention (0..5), see below */
 271       aligned       : 5, /* alignement (0..16) */
 272       packed        : 1,
 273       func_export   : 1,
 274       func_import   : 1,
 275       func_args     : 5,
 276       mode          : 4,
 277       weak          : 1,
 278       fill          : 11;
 279     struct Section *section;
 280     int alias_target;    /* token */
 281 } AttributeDef;
 282
 283 /* gr: wrappers for casting sym->r for other purposes */
 284 #define FUNC_CALL(r) (((AttributeDef*)&(r))->func_call)
 285 #define FUNC_EXPORT(r) (((AttributeDef*)&(r))->func_export)
 286 #define FUNC_IMPORT(r) (((AttributeDef*)&(r))->func_import)
 287 #define FUNC_ARGS(r) (((AttributeDef*)&(r))->func_args)
 288 #define FUNC_ALIGN(r) (((AttributeDef*)&(r))->aligned)
 289 #define FUNC_PACKED(r) (((AttributeDef*)&(r))->packed)
 290 #define ATTR_MODE(r)  (((AttributeDef*)&(r))->mode)
 291 #define INT_ATTR(ad) (*(int*)(ad))
 292
 293 /* -------------------------------------------------- */
 294
 295 #define SYM_STRUCT     0x40000000 /* struct/union/enum symbol space */
 296 #define SYM_FIELD      0x20000000 /* struct/union field symbol space */
 297 #define SYM_FIRST_ANOM 0x10000000 /* first anonymous sym */
 298
 299 /* stored in 'Sym.c' field */
 300 #define FUNC_NEW       1 /* ansi function prototype */
 301 #define FUNC_OLD       2 /* old function prototype */
 302 #define FUNC_ELLIPSIS  3 /* ansi function prototype with ... */
 303
 304 /* stored in 'Sym.r' field */
 305 #define FUNC_CDECL     0 /* standard c call */
 306 #define FUNC_STDCALL   1 /* pascal c call */
 307 #define FUNC_FASTCALL1 2 /* first param in %eax */
 308 #define FUNC_FASTCALL2 3 /* first parameters in %eax, %edx */
 309 #define FUNC_FASTCALL3 4 /* first parameter in %eax, %edx, %ecx */
 310 #define FUNC_FASTCALLW 5 /* first parameter in %ecx, %edx */
 311
 312 /* field 'Sym.t' for macros */
 313 #define MACRO_OBJ      0 /* object like macro */
 314 #define MACRO_FUNC     1 /* function like macro */
 315
 316 /* field 'Sym.r' for C labels */
 317 #define LABEL_DEFINED  0 /* label is defined */
 318 #define LABEL_FORWARD  1 /* label is forward defined */
 319 #define LABEL_DECLARED 2 /* label is declared but never used */
 320
 321 /* type_decl() types */
 322 #define TYPE_ABSTRACT  1 /* type without variable */
 323 #define TYPE_DIRECT    2 /* type with variable */
 324
 325 #define IO_BUF_SIZE 8192
 326
 327 typedef struct BufferedFile {
 328     uint8_t *buf_ptr;
 329     uint8_t *buf_end;
 330     int fd;
 331     struct BufferedFile *prev;
 332     int line_num;    /* current line number - here to simplify code */
 333     int ifndef_macro;  /* #ifndef macro / #endif search */
 334     int ifndef_macro_saved; /* saved ifndef_macro */
 335     int *ifdef_stack_ptr; /* ifdef_stack value at the start of the file */
 336     char inc_type;          /* type of include */
 337     char inc_filename[512]; /* filename specified by the user */
 338     char filename[1024];    /* current filename - here to simplify code */
 339     unsigned char buffer[IO_BUF_SIZE + 1]; /* extra size for CH_EOB char */
 340 } BufferedFile;
 341
 342 #define CH_EOB   '\\'       /* end of buffer or '\0' char in file */
 343 #define CH_EOF   (-1)   /* end of file */
 344
 345 /* parsing state (used to save parser state to reparse part of the
 346    source several times) */
 347 typedef struct ParseState {
 348     const int *macro_ptr;
 349     int line_num;
 350     int tok;
 351     CValue tokc;
 352 } ParseState;
 353
 354 /* used to record tokens */
 355 typedef struct TokenString {
 356     int *str;
 357     int len;
 358     int allocated_len;
 359     int last_line_num;
 360 } TokenString;
 361
 362 /* inline functions */
 363 typedef struct InlineFunc {
 364     int *token_str;
 365     Sym *sym;
 366     char filename[1];
 367 } InlineFunc;
 368
 369 /* include file cache, used to find files faster and also to eliminate
 370    inclusion if the include file is protected by #ifndef ... #endif */
 371 typedef struct CachedInclude {
 372     int ifndef_macro;
 373     int hash_next; /* -1 if none */
 374     char type; /* '"' or '>' to give include type */
 375     char filename[1]; /* path specified in #include */
 376 } CachedInclude;
 377
 378 #define CACHED_INCLUDES_HASH_SIZE 512
 379
 380 #ifdef CONFIG_TCC_ASM
 381 typedef struct ExprValue {
 382     uint32_t v;
 383     Sym *sym;
 384 } ExprValue;
 385
 386 #define MAX_ASM_OPERANDS 30
 387 typedef struct ASMOperand {
 388     int id; /* GCC 3 optionnal identifier (0 if number only supported */
 389     char *constraint;
 390     char asm_str[16]; /* computed asm string for operand */
 391     SValue *vt; /* C value of the expression */
 392     int ref_index; /* if >= 0, gives reference to a output constraint */
 393     int input_index; /* if >= 0, gives reference to an input constraint */
 394     int priority; /* priority, used to assign registers */
 395     int reg; /* if >= 0, register number used for this operand */
 396     int is_llong; /* true if double register value */
 397     int is_memory; /* true if memory operand */
 398     int is_rw;     /* for '+' modifier */
 399 } ASMOperand;
 400 #endif
 401
 402 struct TCCState {
 403     unsigned output_type    : 8;
 404     unsigned reloc_output   : 1;
 405
 406     BufferedFile **include_stack_ptr;
 407     int *ifdef_stack_ptr;
 408
 409     /* include file handling */
 410     char **include_paths;
 411     int nb_include_paths;
 412     char **sysinclude_paths;
 413     int nb_sysinclude_paths;
 414     CachedInclude **cached_includes;
 415     int nb_cached_includes;
 416
 417     char **library_paths;
 418     int nb_library_paths;
 419
 420     /* array of all loaded dlls (including those referenced by loaded
 421        dlls) */
 422     DLLReference **loaded_dlls;
 423     int nb_loaded_dlls;
 424
 425     /* sections */
 426     Section **sections;
 427     int nb_sections; /* number of sections, including first dummy section */
 428
 429     Section **priv_sections;
 430     int nb_priv_sections; /* number of private sections */
 431
 432     /* got handling */
 433     Section *got;
 434     Section *plt;
 435     unsigned long *got_offsets;
 436     int nb_got_offsets;
 437     /* give the correspondance from symtab indexes to dynsym indexes */
 438     int *symtab_to_dynsym;
 439
 440     /* temporary dynamic symbol sections (for dll loading) */
 441     Section *dynsymtab_section;
 442     /* exported dynamic symbol section */
 443     Section *dynsym;
 444
 445     int nostdinc; /* if true, no standard headers are added */
 446     int nostdlib; /* if true, no standard libraries are added */
 447     int nocommon; /* if true, do not use common symbols for .bss data */
 448
 449     /* if true, static linking is performed */
 450     int static_link;
 451
 452     /* soname as specified on the command line (-soname) */
 453     const char *soname;
 454     /* rpath as specified on the command line (-Wl,-rpath=) */
 455     const char *rpath;
 456
 457     /* if true, all symbols are exported */
 458     int rdynamic;
 459
 460     /* if true, resolve symbols in the current module first (-Wl,Bsymbolic) */
 461     int symbolic;
 462
 463     /* if true, only link in referenced objects from archive */
 464     int alacarte_link;
 465
 466     /* address of text section */
 467     unsigned long text_addr;
 468     int has_text_addr;
 469
 470     /* symbols to call at load-time / unload-time */
 471     const char *init_symbol;
 472     const char *fini_symbol;
 473
 474     /* output format, see TCC_OUTPUT_FORMAT_xxx */
 475     int output_format;
 476
 477     /* C language options */
 478     int char_is_unsigned;
 479     int leading_underscore;
 480
 481     /* warning switches */
 482     int warn_write_strings;
 483     int warn_unsupported;
 484     int warn_error;
 485     int warn_none;
 486     int warn_implicit_function_declaration;
 487
 488     /* display some information during compilation */
 489     int verbose;
 490     /* compile with debug symbol (and use them if error during execution) */
 491     int do_debug;
 492 #ifdef CONFIG_TCC_BCHECK
 493     /* compile with built-in memory and bounds checker */
 494     int do_bounds_check;
 495 #endif
 496     /* give the path of the tcc libraries */
 497     char *tcc_lib_path;
 498
 499     /* error handling */
 500     void *error_opaque;
 501     void (*error_func)(void *opaque, const char *msg);
 502     int error_set_jmp_enabled;
 503     jmp_buf error_jmp_buf;
 504     int nb_errors;
 505
 506     /* tiny assembler state */
 507     Sym *asm_labels;
 508
 509     /* see include_stack_ptr */
 510     BufferedFile *include_stack[INCLUDE_STACK_SIZE];
 511
 512     /* see ifdef_stack_ptr */
 513     int ifdef_stack[IFDEF_STACK_SIZE];
 514
 515     /* see cached_includes */
 516     int cached_includes_hash[CACHED_INCLUDES_HASH_SIZE];
 517
 518     /* pack stack */
 519     int pack_stack[PACK_STACK_SIZE];
 520     int *pack_stack_ptr;
 521
 522     /* output file for preprocessing */
 523     FILE *outfile;
 524
 525     /* input files and libraries for this compilation */
 526     char **input_files;
 527     int nb_input_files;
 528     char **input_libs;
 529     int nb_input_libs;
 530
 531     /* automatically collected dependencies for this compilation */
 532     char **target_deps;
 533     int nb_target_deps;
 534
 535     /* for tcc_relocate */
 536     int runtime_added;
 537     void *runtime_mem;
 538 #ifdef HAVE_SELINUX
 539     void *write_mem;
 540     unsigned long mem_size;
 541 #endif
 542
 543     struct InlineFunc **inline_fns;
 544     int nb_inline_fns;
 545
 546 #ifdef TCC_TARGET_I386
 547     int seg_size;
 548 #endif
 549
 550     /* section alignment */
 551     unsigned long section_align;
 552
 553 #ifdef TCC_TARGET_PE
 554     /* PE info */
 555     int pe_subsystem;
 556     unsigned long pe_file_align;
 557     unsigned long pe_stack_size;
 558 #ifdef TCC_TARGET_X86_64
 559     Section *uw_pdata;
 560     int uw_sym;
 561     unsigned uw_offs;
 562 #endif
 563 #endif
 564
 565 #ifndef TCC_TARGET_PE
 566 #if defined TCC_TARGET_X86_64 || defined TCC_TARGET_ARM
 567     /* write PLT and GOT here */
 568     char *runtime_plt_and_got;
 569     unsigned int runtime_plt_and_got_offset;
 570 #endif
 571 #endif
 572 };
 573
 574 /* The current value can be: */
 575 #define VT_VALMASK   0x001f
 576 #define VT_CONST     0x0010  /* constant in vc
 577                               (must be first non register value) */
 578 #define VT_LLOCAL    0x0011  /* lvalue, offset on stack */
 579 #define VT_LOCAL     0x0012  /* offset on stack */
 580 #define VT_CMP       0x0013  /* the value is stored in processor flags (in vc) */
 581 #define VT_JMP       0x0014  /* value is the consequence of jmp true (even) */
 582 #define VT_JMPI      0x0015  /* value is the consequence of jmp false (odd) */
 583 #define VT_LVAL      0x0100  /* var is an lvalue */
 584 #define VT_SYM       0x0200  /* a symbol value is added */
 585 #define VT_MUSTCAST  0x0400  /* value must be casted to be correct (used for
 586                                 char/short stored in integer registers) */
 587 #define VT_MUSTBOUND 0x0800  /* bound checking must be done before
 588                                 dereferencing value */
 589 #define VT_BOUNDED   0x8000  /* value is bounded. The address of the
 590                                 bounding function call point is in vc */
 591 #define VT_LVAL_BYTE     0x1000  /* lvalue is a byte */
 592 #define VT_LVAL_SHORT    0x2000  /* lvalue is a short */
 593 #define VT_LVAL_UNSIGNED 0x4000  /* lvalue is unsigned */
 594 #define VT_LVAL_TYPE     (VT_LVAL_BYTE | VT_LVAL_SHORT | VT_LVAL_UNSIGNED)
 595
 596 #define VT_REF       0x0020
 597
 598 /* types */
 599 #define VT_INT        0  /* integer type */
 600 #define VT_BYTE       1  /* signed byte type */
 601 #define VT_SHORT      2  /* short type */
 602 #define VT_VOID       3  /* void type */
 603 #define VT_PTR        4  /* pointer */
 604 #define VT_ENUM       5  /* enum definition */
 605 #define VT_FUNC       6  /* function type */
 606 #define VT_STRUCT     7  /* struct/union definition */
 607 #define VT_FLOAT      8  /* IEEE float */
 608 #define VT_DOUBLE     9  /* IEEE double */
 609 #define VT_LDOUBLE   10  /* IEEE long double */
 610 #define VT_BOOL      11  /* ISOC99 boolean type */
 611 #define VT_LLONG     12  /* 64 bit integer */
 612 #define VT_LONG      13  /* long integer (NEVER USED as type, only
 613                             during parsing) */
 614 #define VT_BTYPE      0x000f /* mask for basic type */
 615 #define VT_UNSIGNED   0x0010  /* unsigned type */
 616 #define VT_ARRAY      0x0020  /* array type (also has VT_PTR) */
 617 #define VT_VLA        0x20000 /* VLA type (also has VT_PTR and VT_ARRAY) */
 618 #define VT_BITFIELD   0x0040  /* bitfield modifier */
 619 #define VT_CONSTANT   0x0800  /* const modifier */
 620 #define VT_VOLATILE   0x1000  /* volatile modifier */
 621 #define VT_SIGNED     0x2000  /* signed type */
 622
 623 /* storage */
 624 #define VT_EXTERN  0x00000080  /* extern definition */
 625 #define VT_STATIC  0x00000100  /* static variable */
 626 #define VT_TYPEDEF 0x00000200  /* typedef definition */
 627 #define VT_INLINE  0x00000400  /* inline definition */
 628 #define VT_IMPORT  0x00004000  /* win32: extern data imported from dll */
 629 #define VT_EXPORT  0x00008000  /* win32: data exported from dll */
 630 #define VT_WEAK    0x00010000  /* win32: data exported from dll */
 631
 632 #define VT_STRUCT_SHIFT 18   /* shift for bitfield shift values */
 633
 634 /* type mask (except storage) */
 635 #define VT_STORAGE (VT_EXTERN | VT_STATIC | VT_TYPEDEF | VT_INLINE | VT_IMPORT | VT_EXPORT | VT_WEAK)
 636 #define VT_TYPE    (~(VT_STORAGE))
 637
 638 /* token values */
 639
 640 /* warning: the following compare tokens depend on i386 asm code */
 641 #define TOK_ULT 0x92
 642 #define TOK_UGE 0x93
 643 #define TOK_EQ  0x94
 644 #define TOK_NE  0x95
 645 #define TOK_ULE 0x96
 646 #define TOK_UGT 0x97
 647 #define TOK_Nset 0x98
 648 #define TOK_Nclear 0x99
 649 #define TOK_LT  0x9c
 650 #define TOK_GE  0x9d
 651 #define TOK_LE  0x9e
 652 #define TOK_GT  0x9f
 653
 654 #define TOK_LAND  0xa0
 655 #define TOK_LOR   0xa1
 656
 657 #define TOK_DEC   0xa2
 658 #define TOK_MID   0xa3 /* inc/dec, to void constant */
 659 #define TOK_INC   0xa4
 660 #define TOK_UDIV  0xb0 /* unsigned division */
 661 #define TOK_UMOD  0xb1 /* unsigned modulo */
 662 #define TOK_PDIV  0xb2 /* fast division with undefined rounding for pointers */
 663 #define TOK_CINT   0xb3 /* number in tokc */
 664 #define TOK_CCHAR 0xb4 /* char constant in tokc */
 665 #define TOK_STR   0xb5 /* pointer to string in tokc */
 666 #define TOK_TWOSHARPS 0xb6 /* ## preprocessing token */
 667 #define TOK_LCHAR    0xb7
 668 #define TOK_LSTR     0xb8
 669 #define TOK_CFLOAT   0xb9 /* float constant */
 670 #define TOK_LINENUM  0xba /* line number info */
 671 #define TOK_CDOUBLE  0xc0 /* double constant */
 672 #define TOK_CLDOUBLE 0xc1 /* long double constant */
 673 #define TOK_UMULL    0xc2 /* unsigned 32x32 -> 64 mul */
 674 #define TOK_ADDC1    0xc3 /* add with carry generation */
 675 #define TOK_ADDC2    0xc4 /* add with carry use */
 676 #define TOK_SUBC1    0xc5 /* add with carry generation */
 677 #define TOK_SUBC2    0xc6 /* add with carry use */
 678 #define TOK_CUINT    0xc8 /* unsigned int constant */
 679 #define TOK_CLLONG   0xc9 /* long long constant */
 680 #define TOK_CULLONG  0xca /* unsigned long long constant */
 681 #define TOK_ARROW    0xcb
 682 #define TOK_DOTS     0xcc /* three dots */
 683 #define TOK_SHR      0xcd /* unsigned shift right */
 684 #define TOK_PPNUM    0xce /* preprocessor number */
 685 #define TOK_NOSUBST  0xcf /* means following token has already been pp'd */
 686
 687 #define TOK_SHL   0x01 /* shift left */
 688 #define TOK_SAR   0x02 /* signed shift right */
 689
 690 /* assignement operators : normal operator or 0x80 */
 691 #define TOK_A_MOD 0xa5
 692 #define TOK_A_AND 0xa6
 693 #define TOK_A_MUL 0xaa
 694 #define TOK_A_ADD 0xab
 695 #define TOK_A_SUB 0xad
 696 #define TOK_A_DIV 0xaf
 697 #define TOK_A_XOR 0xde
 698 #define TOK_A_OR  0xfc
 699 #define TOK_A_SHL 0x81
 700 #define TOK_A_SAR 0x82
 701
 702 #ifndef offsetof
 703 #define offsetof(type, field) ((size_t) &((type *)0)->field)
 704 #endif
 705
 706 #ifndef countof
 707 #define countof(tab) (sizeof(tab) / sizeof((tab)[0]))
 708 #endif
 709
 710 #define TOK_EOF       (-1)  /* end of file */
 711 #define TOK_LINEFEED  10    /* line feed */
 712
 713 /* all identificators and strings have token above that */
 714 #define TOK_IDENT 256
 715
 716 #define DEF_ASM(x) DEF(TOK_ASM_ ## x, #x)
 717 #define TOK_ASM_int TOK_INT
 718 #define TOK_ASM_weak TOK_WEAK1
 719
 720 #if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
 721 /* only used for i386 asm opcodes definitions */
 722 #define DEF_BWL(x) \
 723  DEF(TOK_ASM_ ## x ## b, #x "b") \
 724  DEF(TOK_ASM_ ## x ## w, #x "w") \
 725  DEF(TOK_ASM_ ## x ## l, #x "l") \
 726  DEF(TOK_ASM_ ## x, #x)
 727 #define DEF_WL(x) \
 728  DEF(TOK_ASM_ ## x ## w, #x "w") \
 729  DEF(TOK_ASM_ ## x ## l, #x "l") \
 730  DEF(TOK_ASM_ ## x, #x)
 731 #ifdef TCC_TARGET_X86_64
 732 # define DEF_BWLQ(x) \
 733  DEF(TOK_ASM_ ## x ## b, #x "b") \
 734  DEF(TOK_ASM_ ## x ## w, #x "w") \
 735  DEF(TOK_ASM_ ## x ## l, #x "l") \
 736  DEF(TOK_ASM_ ## x ## q, #x "q") \
 737  DEF(TOK_ASM_ ## x, #x)
 738 # define DEF_WLQ(x) \
 739  DEF(TOK_ASM_ ## x ## w, #x "w") \
 740  DEF(TOK_ASM_ ## x ## l, #x "l") \
 741  DEF(TOK_ASM_ ## x ## q, #x "q") \
 742  DEF(TOK_ASM_ ## x, #x)
 743 # define DEF_BWLX DEF_BWLQ
 744 # define DEF_WLX DEF_WLQ
 745 /* number of sizes + 1 */
 746 # define NBWLX 5
 747 #else
 748 # define DEF_BWLX DEF_BWL
 749 # define DEF_WLX DEF_WL
 750 /* number of sizes + 1 */
 751 # define NBWLX 4
 752 #endif
 753
 754 #define DEF_FP1(x) \
 755  DEF(TOK_ASM_ ## f ## x ## s, "f" #x "s") \
 756  DEF(TOK_ASM_ ## fi ## x ## l, "fi" #x "l") \
 757  DEF(TOK_ASM_ ## f ## x ## l, "f" #x "l") \
 758  DEF(TOK_ASM_ ## fi ## x ## s, "fi" #x "s")
 759
 760 #define DEF_FP(x) \
 761  DEF(TOK_ASM_ ## f ## x, "f" #x ) \
 762  DEF(TOK_ASM_ ## f ## x ## p, "f" #x "p") \
 763  DEF_FP1(x)
 764
 765 #define DEF_ASMTEST(x) \
 766  DEF_ASM(x ## o) \
 767  DEF_ASM(x ## no) \
 768  DEF_ASM(x ## b) \
 769  DEF_ASM(x ## c) \
 770  DEF_ASM(x ## nae) \
 771  DEF_ASM(x ## nb) \
 772  DEF_ASM(x ## nc) \
 773  DEF_ASM(x ## ae) \
 774  DEF_ASM(x ## e) \
 775  DEF_ASM(x ## z) \
 776  DEF_ASM(x ## ne) \
 777  DEF_ASM(x ## nz) \
 778  DEF_ASM(x ## be) \
 779  DEF_ASM(x ## na) \
 780  DEF_ASM(x ## nbe) \
 781  DEF_ASM(x ## a) \
 782  DEF_ASM(x ## s) \
 783  DEF_ASM(x ## ns) \
 784  DEF_ASM(x ## p) \
 785  DEF_ASM(x ## pe) \
 786  DEF_ASM(x ## np) \
 787  DEF_ASM(x ## po) \
 788  DEF_ASM(x ## l) \
 789  DEF_ASM(x ## nge) \
 790  DEF_ASM(x ## nl) \
 791  DEF_ASM(x ## ge) \
 792  DEF_ASM(x ## le) \
 793  DEF_ASM(x ## ng) \
 794  DEF_ASM(x ## nle) \
 795  DEF_ASM(x ## g)
 796
 797 #endif // defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
 798
 799 enum tcc_token {
 800     TOK_LAST = TOK_IDENT - 1,
 801 #define DEF(id, str) id,
 802 #include "tcctok.h"
 803 #undef DEF
 804 };
 805
 806 #define TOK_UIDENT TOK_DEFINE
 807
 808 #ifdef _WIN32
 809 #define snprintf _snprintf
 810 #define vsnprintf _vsnprintf
 811 #ifndef __GNUC__
 812   #define strtold (long double)strtod
 813   #define strtof (float)strtod
 814   #define strtoll (long long)strtol
 815 #endif
 816 #elif defined(TCC_UCLIBC) || defined(__FreeBSD__) \
 817     || defined(__FreeBSD_kernel__) || defined(__DragonFly__) \
 818     || defined(__OpenBSD__)
 819 /* currently incorrect */
 820 static inline long double strtold(const char *nptr, char **endptr)
 821 {
 822     return (long double)strtod(nptr, endptr);
 823 }
 824 static inline float strtof(const char *nptr, char **endptr)
 825 {
 826     return (float)strtod(nptr, endptr);
 827 }
 828 #else
 829 /* XXX: need to define this to use them in non ISOC99 context */
 830 extern float strtof (const char *__nptr, char **__endptr);
 831 extern long double strtold (const char *__nptr, char **__endptr);
 832 #endif
 833
 834 #ifdef _WIN32
 835 #define IS_DIRSEP(c) (c == '/' || c == '\\')
 836 #define IS_ABSPATH(p) (IS_DIRSEP(p[0]) || (p[0] && p[1] == ':' && IS_DIRSEP(p[2])))
 837 #define PATHCMP stricmp
 838 #else
 839 #define IS_DIRSEP(c) (c == '/')
 840 #define IS_ABSPATH(p) IS_DIRSEP(p[0])
 841 #define PATHCMP strcmp
 842 #endif
 843
 844 #ifdef TCC_TARGET_PE
 845 #define PATHSEP ';'
 846 #else
 847 #define PATHSEP ':'
 848 #endif
 849
 850 /* space exlcuding newline */
 851 static inline int is_space(int ch)
 852 {
 853     return ch == ' ' || ch == '\t' || ch == '\v' || ch == '\f' || ch == '\r';
 854 }
 855
 856 static inline int isid(int c)
 857 {
 858     return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || c == '_';
 859 }
 860
 861 static inline int isnum(int c)
 862 {
 863     return c >= '0' && c <= '9';
 864 }
 865
 866 static inline int isoct(int c)
 867 {
 868     return c >= '0' && c <= '7';
 869 }
 870
 871 static inline int toup(int c)
 872 {
 873     return (c >= 'a' && c <= 'z') ? c - 'a' + 'A' : c;
 874 }
 875
 876 #define PUB_FUNC
 877
 878 #ifdef ONE_SOURCE
 879 #define ST_INLN static inline
 880 #define ST_FUNC static
 881 #define ST_DATA static
 882 #else
 883 #define ST_INLN
 884 #define ST_FUNC
 885 #define ST_DATA extern
 886 #endif
 887
 888 /* ------------ libtcc.c ------------ */
 889
 890 /* use GNU C extensions */
 891 ST_DATA int gnu_ext;
 892 /* use Tiny C extensions */
 893 ST_DATA int tcc_ext;
 894 /* XXX: get rid of this ASAP */
 895 ST_DATA struct TCCState *tcc_state;
 896
 897 #ifdef CONFIG_TCC_BACKTRACE
 898 ST_DATA int num_callers;
 899 ST_DATA const char **rt_bound_error_msg;
 900 ST_DATA void *rt_prog_main;
 901 #endif
 902
 903 #define AFF_PRINT_ERROR     0x0001 /* print error if file not found */
 904 #define AFF_REFERENCED_DLL  0x0002 /* load a referenced dll from another dll */
 905 #define AFF_PREPROCESS      0x0004 /* preprocess file */
 906
 907 /* public functions currently used by the tcc main function */
 908 PUB_FUNC char *pstrcpy(char *buf, int buf_size, const char *s);
 909 PUB_FUNC char *pstrcat(char *buf, int buf_size, const char *s);
 910 PUB_FUNC char *pstrncpy(char *out, const char *in, size_t num);
 911 PUB_FUNC char *tcc_basename(const char *name);
 912 PUB_FUNC char *tcc_fileextension (const char *name);
 913 PUB_FUNC void tcc_free(void *ptr);
 914 PUB_FUNC void *tcc_malloc(unsigned long size);
 915 PUB_FUNC void *tcc_mallocz(unsigned long size);
 916 PUB_FUNC void *tcc_realloc(void *ptr, unsigned long size);
 917 PUB_FUNC char *tcc_strdup(const char *str);
 918 #define free(p) use_tcc_free(p)
 919 #define malloc(s) use_tcc_malloc(s)
 920 #define realloc(p, s) use_tcc_realloc(p, s)
 921 #undef strdup
 922 #define strdup(s) use_tcc_strdup(s)
 923 PUB_FUNC void tcc_memstats(void);
 924 PUB_FUNC void dynarray_add(void ***ptab, int *nb_ptr, void *data);
 925 PUB_FUNC void dynarray_reset(void *pp, int *n);
 926 PUB_FUNC void error_noabort(const char *fmt, ...);
 927 PUB_FUNC void error(const char *fmt, ...);
 928 PUB_FUNC void expect(const char *msg);
 929 PUB_FUNC void warning(const char *fmt, ...);
 930
 931 /* other utilities */
 932 ST_INLN void cstr_ccat(CString *cstr, int ch);
 933 ST_FUNC void cstr_cat(CString *cstr, const char *str);
 934 ST_FUNC void cstr_wccat(CString *cstr, int ch);
 935 ST_FUNC void cstr_new(CString *cstr);
 936 ST_FUNC void cstr_free(CString *cstr);
 937 ST_FUNC void add_char(CString *cstr, int c);
 938 #define cstr_reset(cstr) cstr_free(cstr)
 939
 940 ST_FUNC Section *new_section(TCCState *s1, const char *name, int sh_type, int sh_flags);
 941 ST_FUNC void section_realloc(Section *sec, unsigned long new_size);
 942 ST_FUNC void *section_ptr_add(Section *sec, unsigned long size);
 943 ST_FUNC void section_reserve(Section *sec, unsigned long size);
 944 ST_FUNC Section *find_section(TCCState *s1, const char *name);
 945
 946 ST_FUNC void put_extern_sym2(Sym *sym, Section *section, unsigned long value, unsigned long size, int can_add_underscore);
 947 ST_FUNC void put_extern_sym(Sym *sym, Section *section, unsigned long value, unsigned long size);
 948 ST_FUNC void greloc(Section *s, Sym *sym, unsigned long offset, int type);
 949
 950 ST_INLN void sym_free(Sym *sym);
 951 ST_FUNC Sym *sym_push2(Sym **ps, int v, int t, long c);
 952 ST_FUNC Sym *sym_find2(Sym *s, int v);
 953 ST_FUNC Sym *sym_push(int v, CType *type, int r, int c);
 954 ST_FUNC void sym_pop(Sym **ptop, Sym *b);
 955 ST_INLN Sym *struct_find(int v);
 956 ST_INLN Sym *sym_find(int v);
 957 ST_FUNC Sym *global_identifier_push(int v, int t, int c);
 958
 959 ST_FUNC void tcc_open_bf(TCCState *s1, const char *filename, int initlen);
 960 ST_FUNC int tcc_open(TCCState *s1, const char *filename);
 961 ST_FUNC void tcc_close(void);
 962
 963 ST_FUNC int tcc_add_file_internal(TCCState *s1, const char *filename, int flags);
 964 ST_FUNC int tcc_add_dll(TCCState *s, const char *filename, int flags);
 965 PUB_FUNC int tcc_set_flag(TCCState *s, const char *flag_name, int value);
 966 PUB_FUNC void tcc_print_stats(TCCState *s, int64_t total_time);
 967 PUB_FUNC void set_num_callers(int n);
 968
 969 /* ------------ tccpp.c ------------ */
 970
 971 ST_DATA struct BufferedFile *file;
 972 ST_DATA int ch, tok;
 973 ST_DATA CValue tokc;
 974 ST_DATA const int *macro_ptr;
 975 ST_DATA int parse_flags;
 976 ST_DATA int tok_flags;
 977 ST_DATA CString tokcstr; /* current parsed string, if any */
 978
 979 /* display benchmark infos */
 980 ST_DATA int total_lines;
 981 ST_DATA int total_bytes;
 982 ST_DATA int tok_ident;
 983 ST_DATA TokenSym **table_ident;
 984
 985 #define TOK_FLAG_BOL   0x0001 /* beginning of line before */
 986 #define TOK_FLAG_BOF   0x0002 /* beginning of file before */
 987 #define TOK_FLAG_ENDIF 0x0004 /* a endif was found matching starting #ifdef */
 988 #define TOK_FLAG_EOF   0x0008 /* end of file */
 989
 990 #define PARSE_FLAG_PREPROCESS 0x0001 /* activate preprocessing */
 991 #define PARSE_FLAG_TOK_NUM    0x0002 /* return numbers instead of TOK_PPNUM */
 992 #define PARSE_FLAG_LINEFEED   0x0004 /* line feed is returned as a
 993                                         token. line feed is also
 994                                         returned at eof */
 995 #define PARSE_FLAG_ASM_COMMENTS 0x0008 /* '#' can be used for line comment */
 996 #define PARSE_FLAG_SPACES     0x0010 /* next() returns space tokens (for -E) */
 997
 998 ST_FUNC TokenSym *tok_alloc(const char *str, int len);
 999 ST_FUNC char *get_tok_str(int v, CValue *cv);
1000 ST_FUNC void save_parse_state(ParseState *s);
1001 ST_FUNC void restore_parse_state(ParseState *s);
1002 ST_INLN void tok_str_new(TokenString *s);
1003 ST_FUNC void tok_str_free(int *str);
1004 ST_FUNC void tok_str_add(TokenString *s, int t);
1005 ST_FUNC void tok_str_add_tok(TokenString *s);
1006 ST_INLN void define_push(int v, int macro_type, int *str, Sym *first_arg);
1007 ST_FUNC void define_undef(Sym *s);
1008 ST_INLN Sym *define_find(int v);
1009 ST_FUNC void free_defines(Sym *b);
1010 ST_FUNC Sym *label_find(int v);
1011 ST_FUNC Sym *label_push(Sym **ptop, int v, int flags);
1012 ST_FUNC void label_pop(Sym **ptop, Sym *slast);
1013 ST_FUNC void parse_define(void);
1014 ST_FUNC void preprocess(int is_bof);
1015 ST_FUNC void next_nomacro(void);
1016 ST_FUNC void next(void);
1017 ST_INLN void unget_tok(int last_tok);
1018 ST_FUNC void preprocess_init(TCCState *s1);
1019 ST_FUNC void preprocess_new();
1020 ST_FUNC int tcc_preprocess(TCCState *s1);
1021 ST_FUNC void skip(int c);
1022
1023 /* ------------ tccgen.c ------------ */
1024
1025 ST_DATA Section *text_section, *data_section, *bss_section; /* predefined sections */
1026 ST_DATA Section *cur_text_section; /* current section where function code is generated */
1027 #ifdef CONFIG_TCC_ASM
1028 ST_DATA Section *last_text_section; /* to handle .previous asm directive */
1029 #endif
1030 #ifdef CONFIG_TCC_BCHECK
1031 /* bound check related sections */
1032 ST_DATA Section *bounds_section; /* contains global data bound description */
1033 ST_DATA Section *lbounds_section; /* contains local data bound description */
1034 #endif
1035 /* symbol sections */
1036 ST_DATA Section *symtab_section, *strtab_section;
1037 /* debug sections */
1038 ST_DATA Section *stab_section, *stabstr_section;
1039
1040 #define SYM_POOL_NB (8192 / sizeof(Sym))
1041 ST_DATA Sym *sym_free_first;
1042 ST_DATA void **sym_pools;
1043 ST_DATA int nb_sym_pools;
1044
1045 ST_DATA Sym *global_stack;
1046 ST_DATA Sym *local_stack;
1047 ST_DATA Sym *local_label_stack;
1048 ST_DATA Sym *global_label_stack;
1049 ST_DATA Sym *define_stack;
1050 ST_DATA CType char_pointer_type, func_old_type, int_type;
1051 ST_DATA SValue vstack[VSTACK_SIZE], *vtop;
1052 ST_DATA int rsym, anon_sym, ind, loc;
1053
1054 ST_DATA int const_wanted; /* true if constant wanted */
1055 ST_DATA int nocode_wanted; /* true if no code generation wanted for an expression */
1056 ST_DATA int global_expr;  /* true if compound literals must be allocated globally (used during initializers parsing */
1057 ST_DATA CType func_vt; /* current function return type (used by return instruction) */
1058 ST_DATA int func_vc;
1059 ST_DATA int last_line_num, last_ind, func_ind; /* debug last line number and pc */
1060 ST_DATA char *funcname;
1061
1062 ST_INLN int is_float(int t);
1063 ST_FUNC int ieee_finite(double d);
1064 ST_FUNC void test_lvalue(void);
1065 ST_FUNC void swap(int *p, int *q);
1066 ST_FUNC void vpushi(int v);
1067 ST_FUNC Sym *external_global_sym(int v, CType *type, int r);
1068 ST_FUNC void vset(CType *type, int r, int v);
1069 ST_FUNC void vswap(void);
1070 ST_FUNC void vpush_global_sym(CType *type, int v);
1071 ST_FUNC void vrott(int n);
1072 #ifdef TCC_TARGET_ARM
1073 ST_FUNC int get_reg_ex(int rc, int rc2);
1074 ST_FUNC void vnrott(int n);
1075 ST_FUNC void lexpand_nr(void);
1076 #endif
1077 ST_FUNC void vpushv(SValue *v);
1078 ST_FUNC void save_reg(int r);
1079 ST_FUNC int get_reg(int rc);
1080 ST_FUNC void save_regs(int n);
1081 ST_FUNC int gv(int rc);
1082 ST_FUNC void gv2(int rc1, int rc2);
1083 ST_FUNC void vpop(void);
1084 ST_FUNC void gen_op(int op);
1085 ST_FUNC int type_size(CType *type, int *a);
1086 ST_FUNC void mk_pointer(CType *type);
1087 ST_FUNC void vstore(void);
1088 ST_FUNC void inc(int post, int c);
1089 ST_FUNC void parse_asm_str(CString *astr);
1090 ST_FUNC int lvalue_type(int t);
1091 ST_FUNC void indir(void);
1092 ST_FUNC void unary(void);
1093 ST_FUNC void expr_prod(void);
1094 ST_FUNC void expr_sum(void);
1095 ST_FUNC void gexpr(void);
1096 ST_FUNC int expr_const(void);
1097 ST_FUNC void gen_inline_functions(void);
1098 ST_FUNC void decl(int l);
1099 #if defined CONFIG_TCC_BCHECK || defined TCC_TARGET_C67
1100 ST_FUNC Sym *get_sym_ref(CType *type, Section *sec, unsigned long offset, unsigned long size);
1101 #endif
1102
1103 /* ------------ tccelf.c ------------ */
1104
1105 #define ARMAG  "!<arch>\012"    /* For COFF and a.out archives */
1106
1107 typedef struct {
1108     unsigned int n_strx;         /* index into string table of name */
1109     unsigned char n_type;         /* type of symbol */
1110     unsigned char n_other;        /* misc info (usually empty) */
1111     unsigned short n_desc;        /* description field */
1112     unsigned int n_value;        /* value of symbol */
1113 } Stab_Sym;
1114
1115 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);
1116
1117 ST_FUNC int put_elf_str(Section *s, const char *sym);
1118 ST_FUNC int put_elf_sym(Section *s, uplong value, unsigned long size, int info, int other, int shndx, const char *name);
1119 ST_FUNC int add_elf_sym(Section *s, uplong value, unsigned long size, int info, int other, int sh_num, const char *name);
1120 ST_FUNC int find_elf_sym(Section *s, const char *name);
1121 ST_FUNC void put_elf_reloc(Section *symtab, Section *s, unsigned long offset, int type, int symbol);
1122
1123 ST_FUNC void put_stabs(const char *str, int type, int other, int desc, unsigned long value);
1124 ST_FUNC void put_stabs_r(const char *str, int type, int other, int desc, unsigned long value, Section *sec, int sym_index);
1125 ST_FUNC void put_stabn(int type, int other, int desc, int value);
1126 ST_FUNC void put_stabd(int type, int other, int desc);
1127
1128 ST_FUNC void relocate_common_syms(void);
1129 ST_FUNC void relocate_syms(TCCState *s1, int do_resolve);
1130 ST_FUNC void relocate_section(TCCState *s1, Section *s);
1131
1132 ST_FUNC void tcc_add_linker_symbols(TCCState *s1);
1133 ST_FUNC int tcc_load_object_file(TCCState *s1, int fd, unsigned long file_offset);
1134 ST_FUNC int tcc_load_archive(TCCState *s1, int fd);
1135 ST_FUNC void *tcc_get_symbol_err(TCCState *s, const char *name);
1136 ST_FUNC void tcc_add_bcheck(TCCState *s1);
1137
1138 ST_FUNC void build_got_entries(TCCState *s1);
1139 ST_FUNC void tcc_add_runtime(TCCState *s1);
1140
1141 #ifndef TCC_TARGET_PE
1142 ST_FUNC int tcc_load_dll(TCCState *s1, int fd, const char *filename, int level);
1143 ST_FUNC int tcc_load_ldscript(TCCState *s1);
1144 ST_FUNC uint8_t *parse_comment(uint8_t *p);
1145 ST_FUNC void minp(void);
1146 ST_INLN void inp(void);
1147 ST_FUNC int handle_eob(void);
1148 #endif
1149
1150 #ifdef TCC_TARGET_X86_64
1151 # define ELFCLASSW ELFCLASS64
1152 # define ElfW(type) Elf##64##_##type
1153 # define ELFW(type) ELF##64##_##type
1154 # define ElfW_Rel ElfW(Rela)
1155 # define SHT_RELX SHT_RELA
1156 # define REL_SECTION_FMT ".rela%s"
1157 /* XXX: DLL with PLT would only work with x86-64 for now */
1158 # define TCC_OUTPUT_DLL_WITH_PLT
1159 #else
1160 # define ELFCLASSW ELFCLASS32
1161 # define ElfW(type) Elf##32##_##type
1162 # define ELFW(type) ELF##32##_##type
1163 # define ElfW_Rel ElfW(Rel)
1164 # define SHT_RELX SHT_REL
1165 # define REL_SECTION_FMT ".rel%s"
1166 #endif
1167
1168 /* ------------ xxx-gen.c ------------ */
1169
1170 ST_FUNC void gsym_addr(int t, int a);
1171 ST_FUNC void gsym(int t);
1172 ST_FUNC void load(int r, SValue *sv);
1173 ST_FUNC void store(int r, SValue *v);
1174 ST_FUNC void gfunc_call(int nb_args);
1175 ST_FUNC void gfunc_prolog(CType *func_type);
1176 ST_FUNC void gfunc_epilog(void);
1177 ST_FUNC int gjmp(int t);
1178 ST_FUNC void gjmp_addr(int a);
1179 ST_FUNC int gtst(int inv, int t);
1180 ST_FUNC void gen_opi(int op);
1181 ST_FUNC void gen_opf(int op);
1182 ST_FUNC void gen_cvt_ftoi(int t);
1183 ST_FUNC void gen_cvt_ftof(int t);
1184 ST_FUNC void ggoto(void);
1185 #ifndef TCC_TARGET_C67
1186 ST_FUNC void o(unsigned int c);
1187 #endif
1188 #ifndef TCC_TARGET_ARM
1189 ST_FUNC void gen_cvt_itof(int t);
1190 #endif
1191
1192 /* ------------ i386-gen.c ------------ */
1193 #if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
1194 ST_FUNC void g(int c);
1195 ST_FUNC int oad(int c, int s);
1196 ST_FUNC void gen_le16(int c);
1197 ST_FUNC void gen_le32(int c);
1198 ST_FUNC void gen_addr32(int r, Sym *sym, int c);
1199 ST_FUNC void gen_addrpc32(int r, Sym *sym, int c);
1200 #endif
1201
1202 #ifdef CONFIG_TCC_BCHECK
1203 ST_FUNC void gen_bounded_ptr_add(void);
1204 ST_FUNC void gen_bounded_ptr_deref(void);
1205 #endif
1206
1207 /* ------------ x86_64-gen.c ------------ */
1208 #ifdef TCC_TARGET_X86_64
1209 ST_FUNC void gen_addr64(int r, Sym *sym, int64_t c);
1210 #endif
1211
1212 /* ------------ arm-gen.c ------------ */
1213 #ifdef TCC_TARGET_ARM
1214 ST_FUNC uint32_t encbranch(int pos, int addr, int fail);
1215 ST_FUNC void gen_cvt_itof1(int t);
1216 #endif
1217
1218 /* ------------ c67-gen.c ------------ */
1219 #ifdef TCC_TARGET_C67
1220 #endif
1221
1222 /* ------------ tcccoff.c ------------ */
1223
1224 #ifdef TCC_TARGET_COFF
1225 ST_FUNC int tcc_output_coff(TCCState *s1, FILE *f);
1226 ST_FUNC int tcc_load_coff(TCCState * s1, int fd);
1227 #endif
1228
1229 /* ------------ tccasm.c ------------ */
1230 ST_FUNC void asm_instr(void);
1231 ST_FUNC void asm_global_instr(void);
1232
1233 #ifdef CONFIG_TCC_ASM
1234 ST_FUNC int find_constraint(ASMOperand *operands, int nb_operands, const char *name, const char **pp);
1235 ST_FUNC void asm_expr(TCCState *s1, ExprValue *pe);
1236 ST_FUNC int asm_int_expr(TCCState *s1);
1237 ST_FUNC int tcc_assemble(TCCState *s1, int do_preprocess);
1238 /* ------------ i386-asm.c ------------ */
1239 ST_FUNC void gen_expr32(ExprValue *pe);
1240 ST_FUNC void asm_opcode(TCCState *s1, int opcode);
1241 ST_FUNC void asm_compute_constraints(ASMOperand *operands, int nb_operands, int nb_outputs, const uint8_t *clobber_regs, int *pout_reg);
1242 ST_FUNC void subst_asm_operand(CString *add_str, SValue *sv, int modifier);
1243 ST_FUNC void asm_gen_code(ASMOperand *operands, int nb_operands, int nb_outputs, int is_output, uint8_t *clobber_regs, int out_reg);
1244 ST_FUNC void asm_clobber(uint8_t *clobber_regs, const char *str);
1245 #endif
1246 /* ------------ tccpe.c -------------- */
1247 #ifdef TCC_TARGET_PE
1248 ST_FUNC int pe_load_file(struct TCCState *s1, const char *filename, int fd);
1249 ST_FUNC int pe_add_dll(struct TCCState *s, const char *libraryname);
1250 ST_FUNC int pe_output_file(TCCState * s1, const char *filename);
1251 ST_FUNC int pe_putimport(TCCState *s1, int dllindex, const char *name, const void *value);
1252 ST_FUNC SValue *pe_getimport(SValue *sv, SValue *v2);
1253 /* tiny_impdef.c */
1254 ST_FUNC char *get_export_names(FILE *fp);
1255 #ifdef TCC_TARGET_X86_64
1256 ST_FUNC void pe_add_unwind_data(unsigned start, unsigned end, unsigned stack);
1257 #endif
1258 #endif
1259
1260 /* ------------ tccrun.c ----------------- */
1261 #ifdef CONFIG_TCC_STATIC
1262 #define RTLD_LAZY       0x001
1263 #define RTLD_NOW        0x002
1264 #define RTLD_GLOBAL     0x100
1265 #define RTLD_DEFAULT    NULL
1266 /* dummy function for profiling */
1267 ST_FUNC void *dlopen(const char *filename, int flag);
1268 ST_FUNC void dlclose(void *p);
1269 //ST_FUNC const char *dlerror(void);
1270 ST_FUNC void *resolve_sym(TCCState *s1, const char *symbol);
1271 #elif !defined TCC_TARGET_PE || !defined _WIN32
1272 ST_FUNC void *resolve_sym(TCCState *s1, const char *symbol);
1273 #endif
1274 /********************************************************/
1275 /* include the target specific definitions */
1276
1277 #define TARGET_DEFS_ONLY
1278 #ifdef TCC_TARGET_I386
1279 #include "i386-gen.c"
1280 #endif
1281 #ifdef TCC_TARGET_X86_64
1282 #include "x86_64-gen.c"
1283 #endif
1284 #ifdef TCC_TARGET_ARM
1285 #include "arm-gen.c"
1286 #endif
1287 #ifdef TCC_TARGET_C67
1288 #include "coff.h"
1289 #include "c67-gen.c"
1290 #endif
1291 #undef TARGET_DEFS_ONLY
1292
1293 ST_DATA const int reg_classes[NB_REGS];
1294
1295 /********************************************************/
1296 #undef ST_DATA
1297 #ifdef ONE_SOURCE
1298 #define ST_DATA static
1299 #else
1300 #define ST_DATA
1301 #endif
1302 /********************************************************/
1303 #endif /* _TCC_H */