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 #ifndef SA_SIGINFO
  83 #define SA_SIGINFO 0x00000004u
  84 #endif
  85
  86 #include "libtcc.h"
  87
  88 /* parser debug */
  89 //#define PARSE_DEBUG
  90 /* preprocessor debug */
  91 //#define PP_DEBUG
  92 /* include file debug */
  93 //#define INC_DEBUG
  94
  95 //#define MEM_DEBUG
  96
  97 /* assembler debug */
  98 //#define ASM_DEBUG
  99
 100 /* target selection */
 101 //#define TCC_TARGET_I386   /* i386 code generator */
 102 //#define TCC_TARGET_ARM    /* ARMv4 code generator */
 103 //#define TCC_TARGET_C67    /* TMS320C67xx code generator */
 104 //#define TCC_TARGET_X86_64 /* x86-64 code generator */
 105
 106 /* default target is I386 */
 107 #if !defined(TCC_TARGET_I386) && !defined(TCC_TARGET_ARM) && \
 108     !defined(TCC_TARGET_C67) && !defined(TCC_TARGET_X86_64)
 109 #define TCC_TARGET_I386
 110 #endif
 111
 112 #if !defined(TCC_UCLIBC) && !defined(TCC_TARGET_ARM) && \
 113     !defined(TCC_TARGET_C67) && !defined(TCC_TARGET_X86_64)
 114 #define CONFIG_TCC_BCHECK /* enable bound checking code */
 115 #endif
 116
 117 #if defined(_WIN32) && !defined(TCC_TARGET_PE)
 118 #define CONFIG_TCC_STATIC
 119 #endif
 120
 121 /* define it to include assembler support */
 122 #if !defined(TCC_TARGET_ARM) && !defined(TCC_TARGET_C67)
 123 #define CONFIG_TCC_ASM
 124 #endif
 125
 126 /* object format selection */
 127 #if defined(TCC_TARGET_C67)
 128 #define TCC_TARGET_COFF
 129 #endif
 130
 131 #if !defined(CONFIG_TCCBOOT)
 132 #define CONFIG_TCC_BACKTRACE
 133 #endif
 134
 135 #define FALSE 0
 136 #define false 0
 137 #define TRUE 1
 138 #define true 1
 139 typedef int BOOL;
 140
 141 /* path to find crt1.o, crti.o and crtn.o. Only needed when generating
 142    executables or dlls */
 143
 144 #if defined(TCC_TARGET_X86_64_CENTOS)
 145 # define CONFIG_TCC_CRT_PREFIX CONFIG_SYSROOT "/usr/lib64"
 146 # define CONFIG_TCC_LDDIR "/lib64"
 147 #else
 148 # define CONFIG_TCC_CRT_PREFIX CONFIG_SYSROOT "/usr/lib"
 149 # define CONFIG_TCC_LDDIR "/lib"
 150 #endif
 151
 152 #define INCLUDE_STACK_SIZE  32
 153 #define IFDEF_STACK_SIZE    64
 154 #define VSTACK_SIZE         256
 155 #define STRING_MAX_SIZE     1024
 156 #define PACK_STACK_SIZE     8
 157
 158 #define TOK_HASH_SIZE       8192 /* must be a power of two */
 159 #define TOK_ALLOC_INCR      512  /* must be a power of two */
 160 #define TOK_MAX_SIZE        4 /* token max size in int unit when stored in string */
 161
 162 /* token symbol management */
 163 typedef struct TokenSym {
 164     struct TokenSym *hash_next;
 165     struct Sym *sym_define; /* direct pointer to define */
 166     struct Sym *sym_label; /* direct pointer to label */
 167     struct Sym *sym_struct; /* direct pointer to structure */
 168     struct Sym *sym_identifier; /* direct pointer to identifier */
 169     int tok; /* token number */
 170     int len;
 171     char str[1];
 172 } TokenSym;
 173
 174 #ifdef TCC_TARGET_PE
 175 typedef unsigned short nwchar_t;
 176 #else
 177 typedef int nwchar_t;
 178 #endif
 179
 180 typedef struct CString {
 181     int size; /* size in bytes */
 182     void *data; /* either 'char *' or 'nwchar_t *' */
 183     int size_allocated;
 184     void *data_allocated; /* if non NULL, data has been malloced */
 185 } CString;
 186
 187 /* type definition */
 188 typedef struct CType {
 189     int t;
 190     struct Sym *ref;
 191 } CType;
 192
 193 /* constant value */
 194 typedef union CValue {
 195     long double ld;
 196     double d;
 197     float f;
 198     int i;
 199     unsigned int ui;
 200     unsigned int ul; /* address (should be unsigned long on 64 bit cpu) */
 201     long long ll;
 202     unsigned long long ull;
 203     struct CString *cstr;
 204     void *ptr;
 205     int tab[2];
 206 } CValue;
 207
 208 /* value on stack */
 209 typedef struct SValue {
 210     CType type;      /* type */
 211     unsigned short r;      /* register + flags */
 212     unsigned short r2;     /* second register, used for 'long long'
 213                               type. If not used, set to VT_CONST */
 214     CValue c;              /* constant, if VT_CONST */
 215     struct Sym *sym;       /* symbol, if (VT_SYM | VT_CONST) */
 216 } SValue;
 217
 218 /* symbol management */
 219 typedef struct Sym {
 220     int v;    /* symbol token */
 221     int a;    /* asm symbol token */
 222     long r;    /* associated register */
 223     union {
 224         long c;    /* associated number */
 225         int *d;   /* define token stream */
 226     };
 227     CType type;    /* associated type */
 228     union {
 229         struct Sym *next; /* next related symbol */
 230         long jnext; /* next jump label */
 231     };
 232     struct Sym *prev; /* prev symbol in stack */
 233     struct Sym *prev_tok; /* previous symbol for this token */
 234 } Sym;
 235
 236 /* section definition */
 237 /* XXX: use directly ELF structure for parameters ? */
 238 /* special flag to indicate that the section should not be linked to
 239    the other ones */
 240 #define SHF_PRIVATE 0x80000000
 241
 242 /* special flag, too */
 243 #define SECTION_ABS ((void *)1)
 244
 245 typedef struct Section {
 246     unsigned long data_offset; /* current data offset */
 247     unsigned char *data;       /* section data */
 248     unsigned long data_allocated; /* used for realloc() handling */
 249     int sh_name;             /* elf section name (only used during output) */
 250     int sh_num;              /* elf section number */
 251     int sh_type;             /* elf section type */
 252     int sh_flags;            /* elf section flags */
 253     int sh_info;             /* elf section info */
 254     int sh_addralign;        /* elf section alignment */
 255     int sh_entsize;          /* elf entry size */
 256     unsigned long sh_size;   /* section size (only used during output) */
 257     unsigned long sh_addr;      /* address at which the section is relocated */
 258     unsigned long sh_offset;    /* file offset */
 259     int nb_hashed_syms;      /* used to resize the hash table */
 260     struct Section *link;    /* link to another section */
 261     struct Section *reloc;   /* corresponding section for relocation, if any */
 262     struct Section *hash;     /* hash table for symbols */
 263     struct Section *next;
 264     char name[1];           /* section name */
 265 } Section;
 266
 267 typedef struct DLLReference {
 268     int level;
 269     void *handle;
 270     char name[1];
 271 } DLLReference;
 272
 273 /* GNUC attribute definition */
 274 typedef struct AttributeDef {
 275     unsigned
 276       func_call     : 3, /* calling convention (0..5), see below */
 277       aligned       : 5, /* alignement (0..16) */
 278       packed        : 1,
 279       func_export   : 1,
 280       func_import   : 1,
 281       func_args     : 5,
 282       mode          : 4,
 283       weak          : 1,
 284       fill          : 11;
 285     struct Section *section;
 286 } AttributeDef;
 287
 288 /* gr: wrappers for casting sym->r for other purposes */
 289 #define FUNC_CALL(r) (((AttributeDef*)&(r))->func_call)
 290 #define FUNC_EXPORT(r) (((AttributeDef*)&(r))->func_export)
 291 #define FUNC_IMPORT(r) (((AttributeDef*)&(r))->func_import)
 292 #define FUNC_ARGS(r) (((AttributeDef*)&(r))->func_args)
 293 #define FUNC_ALIGN(r) (((AttributeDef*)&(r))->aligned)
 294 #define FUNC_PACKED(r) (((AttributeDef*)&(r))->packed)
 295 #define FUNC_WEAK(r) (((AttributeDef*)&(r))->weak)
 296 #define ATTR_MODE(r)  (((AttributeDef*)&(r))->mode)
 297 #define INT_ATTR(ad) (*(int*)(ad))
 298
 299 /* -------------------------------------------------- */
 300
 301 #define SYM_STRUCT     0x40000000 /* struct/union/enum symbol space */
 302 #define SYM_FIELD      0x20000000 /* struct/union field symbol space */
 303 #define SYM_FIRST_ANOM 0x10000000 /* first anonymous sym */
 304
 305 /* stored in 'Sym.c' field */
 306 #define FUNC_NEW       1 /* ansi function prototype */
 307 #define FUNC_OLD       2 /* old function prototype */
 308 #define FUNC_ELLIPSIS  3 /* ansi function prototype with ... */
 309
 310 /* stored in 'Sym.r' field */
 311 #define FUNC_CDECL     0 /* standard c call */
 312 #define FUNC_STDCALL   1 /* pascal c call */
 313 #define FUNC_FASTCALL1 2 /* first param in %eax */
 314 #define FUNC_FASTCALL2 3 /* first parameters in %eax, %edx */
 315 #define FUNC_FASTCALL3 4 /* first parameter in %eax, %edx, %ecx */
 316 #define FUNC_FASTCALLW 5 /* first parameter in %ecx, %edx */
 317
 318 /* field 'Sym.t' for macros */
 319 #define MACRO_OBJ      0 /* object like macro */
 320 #define MACRO_FUNC     1 /* function like macro */
 321
 322 /* field 'Sym.r' for C labels */
 323 #define LABEL_DEFINED  0 /* label is defined */
 324 #define LABEL_FORWARD  1 /* label is forward defined */
 325 #define LABEL_DECLARED 2 /* label is declared but never used */
 326
 327 /* type_decl() types */
 328 #define TYPE_ABSTRACT  1 /* type without variable */
 329 #define TYPE_DIRECT    2 /* type with variable */
 330
 331 #define IO_BUF_SIZE 8192
 332
 333 typedef struct BufferedFile {
 334     uint8_t *buf_ptr;
 335     uint8_t *buf_end;
 336     int fd;
 337     struct BufferedFile *prev;
 338     int line_num;    /* current line number - here to simplify code */
 339     int ifndef_macro;  /* #ifndef macro / #endif search */
 340     int ifndef_macro_saved; /* saved ifndef_macro */
 341     int *ifdef_stack_ptr; /* ifdef_stack value at the start of the file */
 342     char inc_type;          /* type of include */
 343     char inc_filename[512]; /* filename specified by the user */
 344     char filename[1024];    /* current filename - here to simplify code */
 345     unsigned char buffer[IO_BUF_SIZE + 1]; /* extra size for CH_EOB char */
 346 } BufferedFile;
 347
 348 #define CH_EOB   '\\'       /* end of buffer or '\0' char in file */
 349 #define CH_EOF   (-1)   /* end of file */
 350
 351 /* parsing state (used to save parser state to reparse part of the
 352    source several times) */
 353 typedef struct ParseState {
 354     const int *macro_ptr;
 355     int line_num;
 356     int tok;
 357     CValue tokc;
 358 } ParseState;
 359
 360 /* used to record tokens */
 361 typedef struct TokenString {
 362     int *str;
 363     int len;
 364     int allocated_len;
 365     int last_line_num;
 366 } TokenString;
 367
 368 /* inline functions */
 369 typedef struct InlineFunc {
 370     int *token_str;
 371     Sym *sym;
 372     char filename[1];
 373 } InlineFunc;
 374
 375 /* include file cache, used to find files faster and also to eliminate
 376    inclusion if the include file is protected by #ifndef ... #endif */
 377 typedef struct CachedInclude {
 378     int ifndef_macro;
 379     int hash_next; /* -1 if none */
 380     char type; /* '"' or '>' to give include type */
 381     char filename[1]; /* path specified in #include */
 382 } CachedInclude;
 383
 384 #define CACHED_INCLUDES_HASH_SIZE 512
 385
 386 #ifdef CONFIG_TCC_ASM
 387 typedef struct ExprValue {
 388     uint32_t v;
 389     Sym *sym;
 390 } ExprValue;
 391
 392 #define MAX_ASM_OPERANDS 30
 393 typedef struct ASMOperand {
 394     int id; /* GCC 3 optionnal identifier (0 if number only supported */
 395     char *constraint;
 396     char asm_str[16]; /* computed asm string for operand */
 397     SValue *vt; /* C value of the expression */
 398     int ref_index; /* if >= 0, gives reference to a output constraint */
 399     int input_index; /* if >= 0, gives reference to an input constraint */
 400     int priority; /* priority, used to assign registers */
 401     int reg; /* if >= 0, register number used for this operand */
 402     int is_llong; /* true if double register value */
 403     int is_memory; /* true if memory operand */
 404     int is_rw;     /* for '+' modifier */
 405 } ASMOperand;
 406 #endif
 407
 408 struct TCCState {
 409     unsigned output_type    : 8;
 410     unsigned reloc_output   : 1;
 411
 412     BufferedFile **include_stack_ptr;
 413     int *ifdef_stack_ptr;
 414
 415     /* include file handling */
 416     char **include_paths;
 417     int nb_include_paths;
 418     char **sysinclude_paths;
 419     int nb_sysinclude_paths;
 420     CachedInclude **cached_includes;
 421     int nb_cached_includes;
 422
 423     char **library_paths;
 424     int nb_library_paths;
 425
 426     /* array of all loaded dlls (including those referenced by loaded
 427        dlls) */
 428     DLLReference **loaded_dlls;
 429     int nb_loaded_dlls;
 430
 431     /* sections */
 432     Section **sections;
 433     int nb_sections; /* number of sections, including first dummy section */
 434
 435     Section **priv_sections;
 436     int nb_priv_sections; /* number of private sections */
 437
 438     /* got handling */
 439     Section *got;
 440     Section *plt;
 441     unsigned long *got_offsets;
 442     int nb_got_offsets;
 443     /* give the correspondance from symtab indexes to dynsym indexes */
 444     int *symtab_to_dynsym;
 445
 446     /* temporary dynamic symbol sections (for dll loading) */
 447     Section *dynsymtab_section;
 448     /* exported dynamic symbol section */
 449     Section *dynsym;
 450
 451     int nostdinc; /* if true, no standard headers are added */
 452     int nostdlib; /* if true, no standard libraries are added */
 453     int nocommon; /* if true, do not use common symbols for .bss data */
 454
 455     /* if true, static linking is performed */
 456     int static_link;
 457
 458     /* soname as specified on the command line (-soname) */
 459     const char *soname;
 460     /* rpath as specified on the command line (-Wl,-rpath=) */
 461     const char *rpath;
 462
 463     /* if true, all symbols are exported */
 464     int rdynamic;
 465
 466     /* if true, resolve symbols in the current module first (-Wl,Bsymbolic) */
 467     int symbolic;
 468
 469     /* if true, only link in referenced objects from archive */
 470     int alacarte_link;
 471
 472     /* address of text section */
 473     unsigned long text_addr;
 474     int has_text_addr;
 475
 476     /* symbols to call at load-time / unload-time */
 477     const char *init_symbol;
 478     const char *fini_symbol;
 479
 480     /* output format, see TCC_OUTPUT_FORMAT_xxx */
 481     int output_format;
 482
 483     /* C language options */
 484     int char_is_unsigned;
 485     int leading_underscore;
 486
 487     /* warning switches */
 488     int warn_write_strings;
 489     int warn_unsupported;
 490     int warn_error;
 491     int warn_none;
 492     int warn_implicit_function_declaration;
 493
 494     /* display some information during compilation */
 495     int verbose;
 496     /* compile with debug symbol (and use them if error during execution) */
 497     int do_debug;
 498 #ifdef CONFIG_TCC_BCHECK
 499     /* compile with built-in memory and bounds checker */
 500     int do_bounds_check;
 501 #endif
 502     /* give the path of the tcc libraries */
 503     char *tcc_lib_path;
 504
 505     /* error handling */
 506     void *error_opaque;
 507     void (*error_func)(void *opaque, const char *msg);
 508     int error_set_jmp_enabled;
 509     jmp_buf error_jmp_buf;
 510     int nb_errors;
 511
 512     /* tiny assembler state */
 513     Sym *asm_labels;
 514
 515     /* see include_stack_ptr */
 516     BufferedFile *include_stack[INCLUDE_STACK_SIZE];
 517
 518     /* see ifdef_stack_ptr */
 519     int ifdef_stack[IFDEF_STACK_SIZE];
 520
 521     /* see cached_includes */
 522     int cached_includes_hash[CACHED_INCLUDES_HASH_SIZE];
 523
 524     /* pack stack */
 525     int pack_stack[PACK_STACK_SIZE];
 526     int *pack_stack_ptr;
 527
 528     /* output file for preprocessing */
 529     FILE *outfile;
 530
 531     /* input files and libraries for this compilation */
 532     char **input_files;
 533     int nb_input_files;
 534     char **input_libs;
 535     int nb_input_libs;
 536
 537     /* automatically collected dependencies for this compilation */
 538     char **target_deps;
 539     int nb_target_deps;
 540
 541     /* for tcc_relocate */
 542     int runtime_added;
 543     void *runtime_mem;
 544 #ifdef HAVE_SELINUX
 545     void *write_mem;
 546     unsigned long mem_size;
 547 #endif
 548
 549     struct InlineFunc **inline_fns;
 550     int nb_inline_fns;
 551
 552 #ifdef TCC_TARGET_I386
 553     int seg_size;
 554 #endif
 555
 556     /* section alignment */
 557     unsigned long section_align;
 558
 559 #ifdef TCC_TARGET_PE
 560     /* PE info */
 561     int pe_subsystem;
 562     unsigned long pe_file_align;
 563     struct pe_uw {
 564         Section *pdata;
 565         int sym_1, sym_2, offs_1;
 566     } pe_unwind;
 567 #endif
 568
 569 #ifndef TCC_TARGET_PE
 570 #if defined TCC_TARGET_X86_64 || defined TCC_TARGET_ARM
 571     /* write PLT and GOT here */
 572     char *runtime_plt_and_got;
 573     unsigned int runtime_plt_and_got_offset;
 574 #endif
 575 #endif
 576 };
 577
 578 /* The current value can be: */
 579 #define VT_VALMASK   0x00ff
 580 #define VT_CONST     0x00f0  /* constant in vc
 581                               (must be first non register value) */
 582 #define VT_LLOCAL    0x00f1  /* lvalue, offset on stack */
 583 #define VT_LOCAL     0x00f2  /* offset on stack */
 584 #define VT_CMP       0x00f3  /* the value is stored in processor flags (in vc) */
 585 #define VT_JMP       0x00f4  /* value is the consequence of jmp true (even) */
 586 #define VT_JMPI      0x00f5  /* value is the consequence of jmp false (odd) */
 587 #define VT_LVAL      0x0100  /* var is an lvalue */
 588 #define VT_SYM       0x0200  /* a symbol value is added */
 589 #define VT_MUSTCAST  0x0400  /* value must be casted to be correct (used for
 590                                 char/short stored in integer registers) */
 591 #define VT_MUSTBOUND 0x0800  /* bound checking must be done before
 592                                 dereferencing value */
 593 #define VT_BOUNDED   0x8000  /* value is bounded. The address of the
 594                                 bounding function call point is in vc */
 595 #define VT_LVAL_BYTE     0x1000  /* lvalue is a byte */
 596 #define VT_LVAL_SHORT    0x2000  /* lvalue is a short */
 597 #define VT_LVAL_UNSIGNED 0x4000  /* lvalue is unsigned */
 598 #define VT_LVAL_TYPE     (VT_LVAL_BYTE | VT_LVAL_SHORT | VT_LVAL_UNSIGNED)
 599
 600 /* types */
 601 #define VT_INT        0  /* integer type */
 602 #define VT_BYTE       1  /* signed byte type */
 603 #define VT_SHORT      2  /* short type */
 604 #define VT_VOID       3  /* void type */
 605 #define VT_PTR        4  /* pointer */
 606 #define VT_ENUM       5  /* enum definition */
 607 #define VT_FUNC       6  /* function type */
 608 #define VT_STRUCT     7  /* struct/union definition */
 609 #define VT_FLOAT      8  /* IEEE float */
 610 #define VT_DOUBLE     9  /* IEEE double */
 611 #define VT_LDOUBLE   10  /* IEEE long double */
 612 #define VT_BOOL      11  /* ISOC99 boolean type */
 613 #define VT_LLONG     12  /* 64 bit integer */
 614 #define VT_LONG      13  /* long integer (NEVER USED as type, only
 615                             during parsing) */
 616 #define VT_BTYPE      0x000f /* mask for basic type */
 617 #define VT_UNSIGNED   0x0010  /* unsigned type */
 618 #define VT_ARRAY      0x0020  /* array type (also has VT_PTR) */
 619 #define VT_BITFIELD   0x0040  /* bitfield modifier */
 620 #define VT_CONSTANT   0x0800  /* const modifier */
 621 #define VT_VOLATILE   0x1000  /* volatile modifier */
 622 #define VT_SIGNED     0x2000  /* signed type */
 623
 624 /* storage */
 625 #define VT_EXTERN  0x00000080  /* extern definition */
 626 #define VT_STATIC  0x00000100  /* static variable */
 627 #define VT_TYPEDEF 0x00000200  /* typedef definition */
 628 #define VT_INLINE  0x00000400  /* inline definition */
 629 #define VT_IMPORT  0x00004000  /* win32: extern data imported from dll */
 630 #define VT_EXPORT  0x00008000  /* win32: data exported from dll */
 631
 632 #define VT_STRUCT_SHIFT 16   /* 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)
 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
 686 #define TOK_SHL   0x01 /* shift left */
 687 #define TOK_SAR   0x02 /* signed shift right */
 688
 689 /* assignement operators : normal operator or 0x80 */
 690 #define TOK_A_MOD 0xa5
 691 #define TOK_A_AND 0xa6
 692 #define TOK_A_MUL 0xaa
 693 #define TOK_A_ADD 0xab
 694 #define TOK_A_SUB 0xad
 695 #define TOK_A_DIV 0xaf
 696 #define TOK_A_XOR 0xde
 697 #define TOK_A_OR  0xfc
 698 #define TOK_A_SHL 0x81
 699 #define TOK_A_SAR 0x82
 700
 701 #ifndef offsetof
 702 #define offsetof(type, field) ((size_t) &((type *)0)->field)
 703 #endif
 704
 705 #ifndef countof
 706 #define countof(tab) (sizeof(tab) / sizeof((tab)[0]))
 707 #endif
 708
 709 #define TOK_EOF       (-1)  /* end of file */
 710 #define TOK_LINEFEED  10    /* line feed */
 711
 712 /* all identificators and strings have token above that */
 713 #define TOK_IDENT 256
 714
 715 #define DEF_ASM(x) DEF(TOK_ASM_ ## x, #x)
 716 #define TOK_ASM_int TOK_INT
 717
 718 #if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
 719 /* only used for i386 asm opcodes definitions */
 720 #define DEF_BWL(x) \
 721  DEF(TOK_ASM_ ## x ## b, #x "b") \
 722  DEF(TOK_ASM_ ## x ## w, #x "w") \
 723  DEF(TOK_ASM_ ## x ## l, #x "l") \
 724  DEF(TOK_ASM_ ## x, #x)
 725 #define DEF_WL(x) \
 726  DEF(TOK_ASM_ ## x ## w, #x "w") \
 727  DEF(TOK_ASM_ ## x ## l, #x "l") \
 728  DEF(TOK_ASM_ ## x, #x)
 729 #ifdef TCC_TARGET_X86_64
 730 # define DEF_BWLQ(x) \
 731  DEF(TOK_ASM_ ## x ## b, #x "b") \
 732  DEF(TOK_ASM_ ## x ## w, #x "w") \
 733  DEF(TOK_ASM_ ## x ## l, #x "l") \
 734  DEF(TOK_ASM_ ## x ## q, #x "q") \
 735  DEF(TOK_ASM_ ## x, #x)
 736 # define DEF_WLQ(x) \
 737  DEF(TOK_ASM_ ## x ## w, #x "w") \
 738  DEF(TOK_ASM_ ## x ## l, #x "l") \
 739  DEF(TOK_ASM_ ## x ## q, #x "q") \
 740  DEF(TOK_ASM_ ## x, #x)
 741 # define DEF_BWLX DEF_BWLQ
 742 # define DEF_WLX DEF_WLQ
 743 /* number of sizes + 1 */
 744 # define NBWLX 5
 745 #else
 746 # define DEF_BWLX DEF_BWL
 747 # define DEF_WLX DEF_WL
 748 /* number of sizes + 1 */
 749 # define NBWLX 4
 750 #endif
 751
 752 #define DEF_FP1(x) \
 753  DEF(TOK_ASM_ ## f ## x ## s, "f" #x "s") \
 754  DEF(TOK_ASM_ ## fi ## x ## l, "fi" #x "l") \
 755  DEF(TOK_ASM_ ## f ## x ## l, "f" #x "l") \
 756  DEF(TOK_ASM_ ## fi ## x ## s, "fi" #x "s")
 757
 758 #define DEF_FP(x) \
 759  DEF(TOK_ASM_ ## f ## x, "f" #x ) \
 760  DEF(TOK_ASM_ ## f ## x ## p, "f" #x "p") \
 761  DEF_FP1(x)
 762
 763 #define DEF_ASMTEST(x) \
 764  DEF_ASM(x ## o) \
 765  DEF_ASM(x ## no) \
 766  DEF_ASM(x ## b) \
 767  DEF_ASM(x ## c) \
 768  DEF_ASM(x ## nae) \
 769  DEF_ASM(x ## nb) \
 770  DEF_ASM(x ## nc) \
 771  DEF_ASM(x ## ae) \
 772  DEF_ASM(x ## e) \
 773  DEF_ASM(x ## z) \
 774  DEF_ASM(x ## ne) \
 775  DEF_ASM(x ## nz) \
 776  DEF_ASM(x ## be) \
 777  DEF_ASM(x ## na) \
 778  DEF_ASM(x ## nbe) \
 779  DEF_ASM(x ## a) \
 780  DEF_ASM(x ## s) \
 781  DEF_ASM(x ## ns) \
 782  DEF_ASM(x ## p) \
 783  DEF_ASM(x ## pe) \
 784  DEF_ASM(x ## np) \
 785  DEF_ASM(x ## po) \
 786  DEF_ASM(x ## l) \
 787  DEF_ASM(x ## nge) \
 788  DEF_ASM(x ## nl) \
 789  DEF_ASM(x ## ge) \
 790  DEF_ASM(x ## le) \
 791  DEF_ASM(x ## ng) \
 792  DEF_ASM(x ## nle) \
 793  DEF_ASM(x ## g)
 794
 795 #endif // defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
 796
 797 enum tcc_token {
 798     TOK_LAST = TOK_IDENT - 1,
 799 #define DEF(id, str) id,
 800 #include "tcctok.h"
 801 #undef DEF
 802 };
 803
 804 #define TOK_UIDENT TOK_DEFINE
 805
 806 #ifdef _WIN32
 807 #define snprintf _snprintf
 808 #define vsnprintf _vsnprintf
 809 #ifndef __GNUC__
 810   #define strtold (long double)strtod
 811   #define strtof (float)strtod
 812   #define strtoll (long long)strtol
 813 #endif
 814 #elif defined(TCC_UCLIBC) || defined(__FreeBSD__) \
 815     || defined(__FreeBSD_kernel__) || defined(__DragonFly__) \
 816     || defined(__OpenBSD__)
 817 /* currently incorrect */
 818 static inline long double strtold(const char *nptr, char **endptr)
 819 {
 820     return (long double)strtod(nptr, endptr);
 821 }
 822 static inline float strtof(const char *nptr, char **endptr)
 823 {
 824     return (float)strtod(nptr, endptr);
 825 }
 826 #else
 827 /* XXX: need to define this to use them in non ISOC99 context */
 828 extern float strtof (const char *__nptr, char **__endptr);
 829 extern long double strtold (const char *__nptr, char **__endptr);
 830 #endif
 831
 832 #ifdef _WIN32
 833 #define IS_PATHSEP(c) (c == '/' || c == '\\')
 834 #define IS_ABSPATH(p) (IS_PATHSEP(p[0]) || (p[0] && p[1] == ':' && IS_PATHSEP(p[2])))
 835 #define PATHCMP stricmp
 836 #else
 837 #define IS_PATHSEP(c) (c == '/')
 838 #define IS_ABSPATH(p) IS_PATHSEP(p[0])
 839 #define PATHCMP strcmp
 840 #endif
 841
 842 /* space exlcuding newline */
 843 static inline int is_space(int ch)
 844 {
 845     return ch == ' ' || ch == '\t' || ch == '\v' || ch == '\f' || ch == '\r';
 846 }
 847
 848 static inline int isid(int c)
 849 {
 850     return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || c == '_';
 851 }
 852
 853 static inline int isnum(int c)
 854 {
 855     return c >= '0' && c <= '9';
 856 }
 857
 858 static inline int isoct(int c)
 859 {
 860     return c >= '0' && c <= '7';
 861 }
 862
 863 static inline int toup(int c)
 864 {
 865     return (c >= 'a' && c <= 'z') ? c - 'a' + 'A' : c;
 866 }
 867
 868 #define PUB_FUNC
 869
 870 #ifndef NOTALLINONE
 871 #define ST_INLN static inline
 872 #define ST_FUNC static
 873 #define ST_DATA static
 874 #else
 875 #define ST_INLN
 876 #define ST_FUNC
 877 #define ST_DATA extern
 878 #endif
 879
 880 /* ------------ libtcc.c ------------ */
 881
 882 /* use GNU C extensions */
 883 ST_DATA int gnu_ext;
 884 /* use Tiny C extensions */
 885 ST_DATA int tcc_ext;
 886 /* XXX: get rid of this ASAP */
 887 ST_DATA struct TCCState *tcc_state;
 888
 889 #ifdef CONFIG_TCC_BACKTRACE
 890 ST_DATA int num_callers;
 891 ST_DATA const char **rt_bound_error_msg;
 892 ST_DATA void *rt_prog_main;
 893 #endif
 894
 895 #define AFF_PRINT_ERROR     0x0001 /* print error if file not found */
 896 #define AFF_REFERENCED_DLL  0x0002 /* load a referenced dll from another dll */
 897 #define AFF_PREPROCESS      0x0004 /* preprocess file */
 898
 899 /* public functions currently used by the tcc main function */
 900 PUB_FUNC char *pstrcpy(char *buf, int buf_size, const char *s);
 901 PUB_FUNC char *pstrcat(char *buf, int buf_size, const char *s);
 902 PUB_FUNC char *tcc_basename(const char *name);
 903 PUB_FUNC char *tcc_fileextension (const char *name);
 904 PUB_FUNC void tcc_free(void *ptr);
 905 PUB_FUNC void *tcc_malloc(unsigned long size);
 906 PUB_FUNC void *tcc_mallocz(unsigned long size);
 907 PUB_FUNC void *tcc_realloc(void *ptr, unsigned long size);
 908 PUB_FUNC char *tcc_strdup(const char *str);
 909 #define free(p) use_tcc_free(p)
 910 #define malloc(s) use_tcc_malloc(s)
 911 #define realloc(p, s) use_tcc_realloc(p, s)
 912 #undef strdup
 913 #define strdup(s) use_tcc_strdup(s)
 914 PUB_FUNC void tcc_memstats(void);
 915 PUB_FUNC void dynarray_add(void ***ptab, int *nb_ptr, void *data);
 916 PUB_FUNC void dynarray_reset(void *pp, int *n);
 917 PUB_FUNC void error_noabort(const char *fmt, ...);
 918 PUB_FUNC void error(const char *fmt, ...);
 919 PUB_FUNC void expect(const char *msg);
 920 PUB_FUNC void warning(const char *fmt, ...);
 921
 922 /* other utilities */
 923 ST_INLN void cstr_ccat(CString *cstr, int ch);
 924 ST_FUNC void cstr_cat(CString *cstr, const char *str);
 925 ST_FUNC void cstr_wccat(CString *cstr, int ch);
 926 ST_FUNC void cstr_new(CString *cstr);
 927 ST_FUNC void cstr_free(CString *cstr);
 928 ST_FUNC void add_char(CString *cstr, int c);
 929 #define cstr_reset(cstr) cstr_free(cstr)
 930
 931 ST_FUNC Section *new_section(TCCState *s1, const char *name, int sh_type, int sh_flags);
 932 ST_FUNC void section_realloc(Section *sec, unsigned long new_size);
 933 ST_FUNC void *section_ptr_add(Section *sec, unsigned long size);
 934 ST_FUNC void section_reserve(Section *sec, unsigned long size);
 935 ST_FUNC Section *find_section(TCCState *s1, const char *name);
 936
 937 ST_FUNC void put_extern_sym2(Sym *sym, Section *section, unsigned long value, unsigned long size, int can_add_underscore);
 938 ST_FUNC void put_extern_sym(Sym *sym, Section *section, unsigned long value, unsigned long size);
 939 ST_FUNC void greloc(Section *s, Sym *sym, unsigned long offset, int type);
 940
 941 ST_INLN void sym_free(Sym *sym);
 942 ST_FUNC Sym *sym_push2(Sym **ps, int v, int t, long c);
 943 ST_FUNC Sym *sym_find2(Sym *s, int v);
 944 ST_FUNC Sym *sym_push(int v, CType *type, int r, int c);
 945 ST_FUNC void sym_pop(Sym **ptop, Sym *b);
 946 ST_INLN Sym *struct_find(int v);
 947 ST_INLN Sym *sym_find(int v);
 948 ST_FUNC Sym *global_identifier_push(int v, int t, int c);
 949
 950 ST_FUNC void tcc_open_bf(TCCState *s1, const char *filename, int initlen);
 951 ST_FUNC int tcc_open(TCCState *s1, const char *filename);
 952 ST_FUNC void tcc_close(void);
 953
 954 ST_FUNC int tcc_add_file_internal(TCCState *s1, const char *filename, int flags);
 955 ST_FUNC int tcc_add_dll(TCCState *s, const char *filename, int flags);
 956 PUB_FUNC int tcc_set_flag(TCCState *s, const char *flag_name, int value);
 957 PUB_FUNC void tcc_print_stats(TCCState *s, int64_t total_time);
 958 PUB_FUNC void set_num_callers(int n);
 959
 960 ST_FUNC int ieee_finite(double d);
 961
 962 /* ------------ tccpp.c ------------ */
 963
 964 ST_DATA struct BufferedFile *file;
 965 ST_DATA int ch, tok;
 966 ST_DATA CValue tokc;
 967 ST_DATA const int *macro_ptr;
 968 ST_DATA int parse_flags;
 969 ST_DATA int tok_flags;
 970 ST_DATA CString tokcstr; /* current parsed string, if any */
 971
 972 /* display benchmark infos */
 973 ST_DATA int total_lines;
 974 ST_DATA int total_bytes;
 975 ST_DATA int tok_ident;
 976 ST_DATA TokenSym **table_ident;
 977
 978 #define TOK_FLAG_BOL   0x0001 /* beginning of line before */
 979 #define TOK_FLAG_BOF   0x0002 /* beginning of file before */
 980 #define TOK_FLAG_ENDIF 0x0004 /* a endif was found matching starting #ifdef */
 981 #define TOK_FLAG_EOF   0x0008 /* end of file */
 982
 983 #define PARSE_FLAG_PREPROCESS 0x0001 /* activate preprocessing */
 984 #define PARSE_FLAG_TOK_NUM    0x0002 /* return numbers instead of TOK_PPNUM */
 985 #define PARSE_FLAG_LINEFEED   0x0004 /* line feed is returned as a
 986                                         token. line feed is also
 987                                         returned at eof */
 988 #define PARSE_FLAG_ASM_COMMENTS 0x0008 /* '#' can be used for line comment */
 989 #define PARSE_FLAG_SPACES     0x0010 /* next() returns space tokens (for -E) */
 990
 991 ST_FUNC TokenSym *tok_alloc(const char *str, int len);
 992 ST_FUNC char *get_tok_str(int v, CValue *cv);
 993 ST_FUNC void save_parse_state(ParseState *s);
 994 ST_FUNC void restore_parse_state(ParseState *s);
 995 ST_INLN void tok_str_new(TokenString *s);
 996 ST_FUNC void tok_str_free(int *str);
 997 ST_FUNC void tok_str_add(TokenString *s, int t);
 998 ST_FUNC void tok_str_add_tok(TokenString *s);
 999 ST_INLN void define_push(int v, int macro_type, int *str, Sym *first_arg);
1000 ST_FUNC void define_undef(Sym *s);
1001 ST_INLN Sym *define_find(int v);
1002 ST_FUNC void free_defines(Sym *b);
1003 ST_FUNC Sym *label_find(int v);
1004 ST_FUNC Sym *label_push(Sym **ptop, int v, int flags);
1005 ST_FUNC void label_pop(Sym **ptop, Sym *slast);
1006 ST_FUNC void parse_define(void);
1007 ST_FUNC void preprocess(int is_bof);
1008 ST_FUNC void next_nomacro(void);
1009 ST_FUNC void next(void);
1010 ST_INLN void unget_tok(int last_tok);
1011 ST_FUNC void preprocess_init(TCCState *s1);
1012 ST_FUNC void preprocess_new();
1013 ST_FUNC int tcc_preprocess(TCCState *s1);
1014 ST_FUNC void skip(int c);
1015
1016 /* ------------ tccgen.c ------------ */
1017
1018 ST_DATA Section *text_section, *data_section, *bss_section; /* predefined sections */
1019 ST_DATA Section *cur_text_section; /* current section where function code is generated */
1020 #ifdef CONFIG_TCC_ASM
1021 ST_DATA Section *last_text_section; /* to handle .previous asm directive */
1022 #endif
1023 #ifdef CONFIG_TCC_BCHECK
1024 /* bound check related sections */
1025 ST_DATA Section *bounds_section; /* contains global data bound description */
1026 ST_DATA Section *lbounds_section; /* contains local data bound description */
1027 #endif
1028 /* symbol sections */
1029 ST_DATA Section *symtab_section, *strtab_section;
1030 /* debug sections */
1031 ST_DATA Section *stab_section, *stabstr_section;
1032
1033 #define SYM_POOL_NB (8192 / sizeof(Sym))
1034 ST_DATA Sym *sym_free_first;
1035 ST_DATA void **sym_pools;
1036 ST_DATA int nb_sym_pools;
1037
1038 ST_DATA Sym *global_stack;
1039 ST_DATA Sym *local_stack;
1040 ST_DATA Sym *local_label_stack;
1041 ST_DATA Sym *global_label_stack;
1042 ST_DATA Sym *define_stack;
1043 ST_DATA CType char_pointer_type, func_old_type, int_type;
1044 ST_DATA SValue vstack[VSTACK_SIZE], *vtop;
1045 ST_DATA int rsym, anon_sym, ind, loc;
1046
1047 ST_DATA int const_wanted; /* true if constant wanted */
1048 ST_DATA int nocode_wanted; /* true if no code generation wanted for an expression */
1049 ST_DATA int global_expr;  /* true if compound literals must be allocated globally (used during initializers parsing */
1050 ST_DATA CType func_vt; /* current function return type (used by return instruction) */
1051 ST_DATA int func_vc;
1052 ST_DATA int last_line_num, last_ind, func_ind; /* debug last line number and pc */
1053 ST_DATA char *funcname;
1054
1055 ST_INLN int is_float(int t);
1056 ST_FUNC void test_lvalue(void);
1057 ST_FUNC void swap(int *p, int *q);
1058 ST_FUNC void vpushi(int v);
1059 ST_FUNC Sym *external_global_sym(int v, CType *type, int r);
1060 ST_FUNC void vset(CType *type, int r, int v);
1061 ST_FUNC void vswap(void);
1062 ST_FUNC void vpush_global_sym(CType *type, int v);
1063 ST_FUNC void vrott(int n);
1064 #ifdef TCC_TARGET_ARM
1065 ST_FUNC int get_reg_ex(int rc, int rc2);
1066 ST_FUNC void vnrott(int n);
1067 ST_FUNC void lexpand_nr(void);
1068 #endif
1069 ST_FUNC void vpushv(SValue *v);
1070 ST_FUNC void save_reg(int r);
1071 ST_FUNC int get_reg(int rc);
1072 ST_FUNC void save_regs(int n);
1073 ST_FUNC int gv(int rc);
1074 ST_FUNC void gv2(int rc1, int rc2);
1075 ST_FUNC void vpop(void);
1076 ST_FUNC void gen_op(int op);
1077 ST_FUNC int type_size(CType *type, int *a);
1078 ST_FUNC void mk_pointer(CType *type);
1079 ST_FUNC void vstore(void);
1080 ST_FUNC void inc(int post, int c);
1081 ST_FUNC void parse_asm_str(CString *astr);
1082 ST_FUNC int lvalue_type(int t);
1083 ST_FUNC void indir(void);
1084 ST_FUNC void unary(void);
1085 ST_FUNC void expr_prod(void);
1086 ST_FUNC void expr_sum(void);
1087 ST_FUNC void gexpr(void);
1088 ST_FUNC int expr_const(void);
1089 ST_FUNC void gen_inline_functions(void);
1090 ST_FUNC void decl(int l);
1091 #if defined CONFIG_TCC_BCHECK || defined TCC_TARGET_C67
1092 ST_FUNC Sym *get_sym_ref(CType *type, Section *sec, unsigned long offset, unsigned long size);
1093 #endif
1094
1095 /* ------------ tccelf.c ------------ */
1096
1097 #define ARMAG  "!<arch>\012"    /* For COFF and a.out archives */
1098
1099 typedef struct {
1100     unsigned int n_strx;         /* index into string table of name */
1101     unsigned char n_type;         /* type of symbol */
1102     unsigned char n_other;        /* misc info (usually empty) */
1103     unsigned short n_desc;        /* description field */
1104     unsigned int n_value;        /* value of symbol */
1105 } Stab_Sym;
1106
1107 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);
1108
1109 ST_FUNC int put_elf_str(Section *s, const char *sym);
1110 ST_FUNC int put_elf_sym(Section *s, uplong value, unsigned long size, int info, int other, int shndx, const char *name);
1111 ST_FUNC int add_elf_sym(Section *s, uplong value, unsigned long size, int info, int other, int sh_num, const char *name);
1112 ST_FUNC int find_elf_sym(Section *s, const char *name);
1113 ST_FUNC void put_elf_reloc(Section *symtab, Section *s, unsigned long offset, int type, int symbol);
1114
1115 ST_FUNC void put_stabs(const char *str, int type, int other, int desc, unsigned long value);
1116 ST_FUNC void put_stabs_r(const char *str, int type, int other, int desc, unsigned long value, Section *sec, int sym_index);
1117 ST_FUNC void put_stabn(int type, int other, int desc, int value);
1118 ST_FUNC void put_stabd(int type, int other, int desc);
1119
1120 ST_FUNC void relocate_common_syms(void);
1121 ST_FUNC void relocate_syms(TCCState *s1, int do_resolve);
1122 ST_FUNC void relocate_section(TCCState *s1, Section *s);
1123
1124 ST_FUNC void tcc_add_linker_symbols(TCCState *s1);
1125 ST_FUNC int tcc_load_object_file(TCCState *s1, int fd, unsigned long file_offset);
1126 ST_FUNC int tcc_load_archive(TCCState *s1, int fd);
1127 ST_FUNC void *tcc_get_symbol_err(TCCState *s, const char *name);
1128 ST_FUNC void tcc_add_bcheck(TCCState *s1);
1129
1130 ST_FUNC void build_got_entries(TCCState *s1);
1131 ST_FUNC void tcc_add_runtime(TCCState *s1);
1132
1133 #ifndef TCC_TARGET_PE
1134 ST_FUNC int tcc_load_dll(TCCState *s1, int fd, const char *filename, int level);
1135 ST_FUNC int tcc_load_ldscript(TCCState *s1);
1136 ST_FUNC uint8_t *parse_comment(uint8_t *p);
1137 ST_FUNC void minp(void);
1138 ST_INLN void inp(void);
1139 ST_FUNC int handle_eob(void);
1140 #endif
1141
1142 /* ------------ xxx-gen.c ------------ */
1143
1144 ST_FUNC void gsym_addr(int t, int a);
1145 ST_FUNC void gsym(int t);
1146 ST_FUNC void load(int r, SValue *sv);
1147 ST_FUNC void store(int r, SValue *v);
1148 ST_FUNC void gfunc_call(int nb_args);
1149 ST_FUNC void gfunc_prolog(CType *func_type);
1150 ST_FUNC void gfunc_epilog(void);
1151 ST_FUNC int gjmp(int t);
1152 ST_FUNC void gjmp_addr(int a);
1153 ST_FUNC int gtst(int inv, int t);
1154 ST_FUNC void gen_opi(int op);
1155 ST_FUNC void gen_opf(int op);
1156 ST_FUNC void gen_cvt_ftoi(int t);
1157 ST_FUNC void gen_cvt_ftof(int t);
1158 ST_FUNC void ggoto(void);
1159 #ifndef TCC_TARGET_C67
1160 ST_FUNC void o(unsigned int c);
1161 #endif
1162 #ifndef TCC_TARGET_ARM
1163 ST_FUNC void gen_cvt_itof(int t);
1164 #endif
1165
1166 /* ------------ i386-gen.c ------------ */
1167 #if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
1168 ST_FUNC void g(int c);
1169 ST_FUNC int oad(int c, int s);
1170 ST_FUNC void gen_le16(int c);
1171 ST_FUNC void gen_le32(int c);
1172 ST_FUNC void gen_addr32(int r, Sym *sym, int c);
1173 ST_FUNC void gen_addrpc32(int r, Sym *sym, int c);
1174 #endif
1175
1176 #ifdef CONFIG_TCC_BCHECK
1177 ST_FUNC void gen_bounded_ptr_add(void);
1178 ST_FUNC void gen_bounded_ptr_deref(void);
1179 #endif
1180
1181 /* ------------ x86_64-gen.c ------------ */
1182 #ifdef TCC_TARGET_X86_64
1183 ST_FUNC void gen_addr64(int r, Sym *sym, int64_t c);
1184 #endif
1185
1186 /* ------------ arm-gen.c ------------ */
1187 #ifdef TCC_TARGET_ARM
1188 ST_FUNC uint32_t encbranch(int pos, int addr, int fail);
1189 ST_FUNC void gen_cvt_itof1(int t);
1190 #endif
1191
1192 /* ------------ c67-gen.c ------------ */
1193 #ifdef TCC_TARGET_C67
1194 #endif
1195
1196 /* ------------ tcccoff.c ------------ */
1197
1198 #ifdef TCC_TARGET_COFF
1199 ST_FUNC int tcc_output_coff(TCCState *s1, FILE *f);
1200 ST_FUNC int tcc_load_coff(TCCState * s1, int fd);
1201 #endif
1202
1203 /* ------------ tccasm.c ------------ */
1204 ST_FUNC void asm_instr(void);
1205 ST_FUNC void asm_global_instr(void);
1206
1207 #ifdef CONFIG_TCC_ASM
1208 ST_FUNC int find_constraint(ASMOperand *operands, int nb_operands, const char *name, const char **pp);
1209 ST_FUNC void asm_expr(TCCState *s1, ExprValue *pe);
1210 ST_FUNC int asm_int_expr(TCCState *s1);
1211 ST_FUNC int tcc_assemble(TCCState *s1, int do_preprocess);
1212 /* ------------ i386-asm.c ------------ */
1213 ST_FUNC void gen_expr32(ExprValue *pe);
1214 ST_FUNC void asm_opcode(TCCState *s1, int opcode);
1215 ST_FUNC void asm_compute_constraints(ASMOperand *operands, int nb_operands, int nb_outputs, const uint8_t *clobber_regs, int *pout_reg);
1216 ST_FUNC void subst_asm_operand(CString *add_str, SValue *sv, int modifier);
1217 ST_FUNC void asm_gen_code(ASMOperand *operands, int nb_operands, int nb_outputs, int is_output, uint8_t *clobber_regs, int out_reg);
1218 ST_FUNC void asm_clobber(uint8_t *clobber_regs, const char *str);
1219 #endif
1220 /* ------------ tccpe.c -------------- */
1221 #ifdef TCC_TARGET_PE
1222 ST_FUNC int pe_load_file(struct TCCState *s1, const char *filename, int fd);
1223 ST_FUNC int pe_add_dll(struct TCCState *s, const char *libraryname);
1224 ST_FUNC int pe_output_file(TCCState * s1, const char *filename);
1225 ST_FUNC int pe_putimport(TCCState *s1, int dllindex, const char *name, const void *value);
1226 ST_FUNC SValue *pe_getimport(SValue *sv, SValue *v2);
1227 /* tiny_impdef.c */
1228 ST_FUNC char *get_export_names(FILE *fp);
1229 #ifdef TCC_TARGET_X86_64
1230 ST_FUNC void pe_add_unwind_data(unsigned start, unsigned end, unsigned stack);
1231 #endif
1232 #endif
1233
1234 /* ------------ tccrun.c ----------------- */
1235 #ifdef CONFIG_TCC_STATIC
1236 #define RTLD_LAZY       0x001
1237 #define RTLD_NOW        0x002
1238 #define RTLD_GLOBAL     0x100
1239 #define RTLD_DEFAULT    NULL
1240 /* dummy function for profiling */
1241 ST_FUNC void *dlopen(const char *filename, int flag);
1242 ST_FUNC void dlclose(void *p);
1243 //ST_FUNC const char *dlerror(void);
1244 ST_FUNC void *resolve_sym(TCCState *s1, const char *symbol);
1245 #elif !defined TCC_TARGET_PE || !defined _WIN32
1246 ST_FUNC void *resolve_sym(TCCState *s1, const char *symbol);
1247 #endif
1248 /********************************************************/
1249 /* include the target specific definitions */
1250
1251 #define TARGET_DEFS_ONLY
1252 #ifdef TCC_TARGET_I386
1253 #include "i386-gen.c"
1254 #endif
1255 #ifdef TCC_TARGET_X86_64
1256 #include "x86_64-gen.c"
1257 #endif
1258 #ifdef TCC_TARGET_ARM
1259 #include "arm-gen.c"
1260 #endif
1261 #ifdef TCC_TARGET_C67
1262 #include "coff.h"
1263 #include "c67-gen.c"
1264 #endif
1265 #undef TARGET_DEFS_ONLY
1266
1267 ST_DATA const int reg_classes[NB_REGS];
1268
1269 /********************************************************/
1270 #undef ST_DATA
1271 #ifndef NOTALLINONE
1272 #define ST_DATA static
1273 #else
1274 #define ST_DATA
1275 #endif
1276 /********************************************************/
1277 #endif /* _TCC_H */