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 #if defined(TCC_TARGET_X86_64_CENTOS)
 144 # define CONFIG_TCC_CRT_PREFIX CONFIG_SYSROOT "/usr/lib64"
 145 #else
 146 # define CONFIG_TCC_CRT_PREFIX CONFIG_SYSROOT "/usr/lib"
 147 #endif
 148
 149 #define INCLUDE_STACK_SIZE  32
 150 #define IFDEF_STACK_SIZE    64
 151 #define VSTACK_SIZE         256
 152 #define STRING_MAX_SIZE     1024
 153 #define PACK_STACK_SIZE     8
 154
 155 #define TOK_HASH_SIZE       8192 /* must be a power of two */
 156 #define TOK_ALLOC_INCR      512  /* must be a power of two */
 157 #define TOK_MAX_SIZE        4 /* token max size in int unit when stored in string */
 158
 159 /* token symbol management */
 160 typedef struct TokenSym {
 161     struct TokenSym *hash_next;
 162     struct Sym *sym_define; /* direct pointer to define */
 163     struct Sym *sym_label; /* direct pointer to label */
 164     struct Sym *sym_struct; /* direct pointer to structure */
 165     struct Sym *sym_identifier; /* direct pointer to identifier */
 166     int tok; /* token number */
 167     int len;
 168     char str[1];
 169 } TokenSym;
 170
 171 #ifdef TCC_TARGET_PE
 172 typedef unsigned short nwchar_t;
 173 #else
 174 typedef int nwchar_t;
 175 #endif
 176
 177 typedef struct CString {
 178     int size; /* size in bytes */
 179     void *data; /* either 'char *' or 'nwchar_t *' */
 180     int size_allocated;
 181     void *data_allocated; /* if non NULL, data has been malloced */
 182 } CString;
 183
 184 /* type definition */
 185 typedef struct CType {
 186     int t;
 187     struct Sym *ref;
 188 } CType;
 189
 190 /* constant value */
 191 typedef union CValue {
 192     long double ld;
 193     double d;
 194     float f;
 195     int i;
 196     unsigned int ui;
 197     unsigned int ul; /* address (should be unsigned long on 64 bit cpu) */
 198     long long ll;
 199     unsigned long long ull;
 200     struct CString *cstr;
 201     void *ptr;
 202     int tab[2];
 203 } CValue;
 204
 205 /* value on stack */
 206 typedef struct SValue {
 207     CType type;      /* type */
 208     unsigned short r;      /* register + flags */
 209     unsigned short r2;     /* second register, used for 'long long'
 210                               type. If not used, set to VT_CONST */
 211     CValue c;              /* constant, if VT_CONST */
 212     struct Sym *sym;       /* symbol, if (VT_SYM | VT_CONST) */
 213 } SValue;
 214
 215 /* symbol management */
 216 typedef struct Sym {
 217     int v;    /* symbol token */
 218     int a;    /* asm symbol token */
 219     long r;    /* associated register */
 220     union {
 221         long c;    /* associated number */
 222         int *d;   /* define token stream */
 223     };
 224     CType type;    /* associated type */
 225     union {
 226         struct Sym *next; /* next related symbol */
 227         long jnext; /* next jump label */
 228     };
 229     struct Sym *prev; /* prev symbol in stack */
 230     struct Sym *prev_tok; /* previous symbol for this token */
 231 } Sym;
 232
 233 /* section definition */
 234 /* XXX: use directly ELF structure for parameters ? */
 235 /* special flag to indicate that the section should not be linked to
 236    the other ones */
 237 #define SHF_PRIVATE 0x80000000
 238
 239 /* special flag, too */
 240 #define SECTION_ABS ((void *)1)
 241
 242 typedef struct Section {
 243     unsigned long data_offset; /* current data offset */
 244     unsigned char *data;       /* section data */
 245     unsigned long data_allocated; /* used for realloc() handling */
 246     int sh_name;             /* elf section name (only used during output) */
 247     int sh_num;              /* elf section number */
 248     int sh_type;             /* elf section type */
 249     int sh_flags;            /* elf section flags */
 250     int sh_info;             /* elf section info */
 251     int sh_addralign;        /* elf section alignment */
 252     int sh_entsize;          /* elf entry size */
 253     unsigned long sh_size;   /* section size (only used during output) */
 254     unsigned long sh_addr;      /* address at which the section is relocated */
 255     unsigned long sh_offset;    /* file offset */
 256     int nb_hashed_syms;      /* used to resize the hash table */
 257     struct Section *link;    /* link to another section */
 258     struct Section *reloc;   /* corresponding section for relocation, if any */
 259     struct Section *hash;     /* hash table for symbols */
 260     struct Section *next;
 261     char name[1];           /* section name */
 262 } Section;
 263
 264 typedef struct DLLReference {
 265     int level;
 266     void *handle;
 267     char name[1];
 268 } DLLReference;
 269
 270 /* GNUC attribute definition */
 271 typedef struct AttributeDef {
 272     unsigned
 273       func_call     : 3, /* calling convention (0..5), see below */
 274       aligned       : 5, /* alignement (0..16) */
 275       packed        : 1,
 276       func_export   : 1,
 277       func_import   : 1,
 278       func_args     : 5,
 279       mode          : 4,
 280       weak          : 1,
 281       fill          : 11;
 282     struct Section *section;
 283 } AttributeDef;
 284
 285 /* gr: wrappers for casting sym->r for other purposes */
 286 #define FUNC_CALL(r) (((AttributeDef*)&(r))->func_call)
 287 #define FUNC_EXPORT(r) (((AttributeDef*)&(r))->func_export)
 288 #define FUNC_IMPORT(r) (((AttributeDef*)&(r))->func_import)
 289 #define FUNC_ARGS(r) (((AttributeDef*)&(r))->func_args)
 290 #define FUNC_ALIGN(r) (((AttributeDef*)&(r))->aligned)
 291 #define FUNC_PACKED(r) (((AttributeDef*)&(r))->packed)
 292 #define FUNC_WEAK(r) (((AttributeDef*)&(r))->weak)
 293 #define ATTR_MODE(r)  (((AttributeDef*)&(r))->mode)
 294 #define INT_ATTR(ad) (*(int*)(ad))
 295
 296 /* -------------------------------------------------- */
 297
 298 #define SYM_STRUCT     0x40000000 /* struct/union/enum symbol space */
 299 #define SYM_FIELD      0x20000000 /* struct/union field symbol space */
 300 #define SYM_FIRST_ANOM 0x10000000 /* first anonymous sym */
 301
 302 /* stored in 'Sym.c' field */
 303 #define FUNC_NEW       1 /* ansi function prototype */
 304 #define FUNC_OLD       2 /* old function prototype */
 305 #define FUNC_ELLIPSIS  3 /* ansi function prototype with ... */
 306
 307 /* stored in 'Sym.r' field */
 308 #define FUNC_CDECL     0 /* standard c call */
 309 #define FUNC_STDCALL   1 /* pascal c call */
 310 #define FUNC_FASTCALL1 2 /* first param in %eax */
 311 #define FUNC_FASTCALL2 3 /* first parameters in %eax, %edx */
 312 #define FUNC_FASTCALL3 4 /* first parameter in %eax, %edx, %ecx */
 313 #define FUNC_FASTCALLW 5 /* first parameter in %ecx, %edx */
 314
 315 /* field 'Sym.t' for macros */
 316 #define MACRO_OBJ      0 /* object like macro */
 317 #define MACRO_FUNC     1 /* function like macro */
 318
 319 /* field 'Sym.r' for C labels */
 320 #define LABEL_DEFINED  0 /* label is defined */
 321 #define LABEL_FORWARD  1 /* label is forward defined */
 322 #define LABEL_DECLARED 2 /* label is declared but never used */
 323
 324 /* type_decl() types */
 325 #define TYPE_ABSTRACT  1 /* type without variable */
 326 #define TYPE_DIRECT    2 /* type with variable */
 327
 328 #define IO_BUF_SIZE 8192
 329
 330 typedef struct BufferedFile {
 331     uint8_t *buf_ptr;
 332     uint8_t *buf_end;
 333     int fd;
 334     int line_num;    /* current line number - here to simplify code */
 335     int ifndef_macro;  /* #ifndef macro / #endif search */
 336     int ifndef_macro_saved; /* saved ifndef_macro */
 337     int *ifdef_stack_ptr; /* ifdef_stack value at the start of the file */
 338     char inc_type;          /* type of include */
 339     char inc_filename[512]; /* filename specified by the user */
 340     char filename[1024];    /* current filename - here to simplify code */
 341     unsigned char buffer[IO_BUF_SIZE + 1]; /* extra size for CH_EOB char */
 342 } BufferedFile;
 343
 344 #define CH_EOB   '\\'       /* end of buffer or '\0' char in file */
 345 #define CH_EOF   (-1)   /* end of file */
 346
 347 /* parsing state (used to save parser state to reparse part of the
 348    source several times) */
 349 typedef struct ParseState {
 350     const int *macro_ptr;
 351     int line_num;
 352     int tok;
 353     CValue tokc;
 354 } ParseState;
 355
 356 /* used to record tokens */
 357 typedef struct TokenString {
 358     int *str;
 359     int len;
 360     int allocated_len;
 361     int last_line_num;
 362 } TokenString;
 363
 364 /* inline functions */
 365 typedef struct InlineFunc {
 366     int *token_str;
 367     Sym *sym;
 368     char filename[1];
 369 } InlineFunc;
 370
 371 /* include file cache, used to find files faster and also to eliminate
 372    inclusion if the include file is protected by #ifndef ... #endif */
 373 typedef struct CachedInclude {
 374     int ifndef_macro;
 375     int hash_next; /* -1 if none */
 376     char type; /* '"' or '>' to give include type */
 377     char filename[1]; /* path specified in #include */
 378 } CachedInclude;
 379
 380 #define CACHED_INCLUDES_HASH_SIZE 512
 381
 382 #ifdef CONFIG_TCC_ASM
 383 typedef struct ExprValue {
 384     uint32_t v;
 385     Sym *sym;
 386 } ExprValue;
 387
 388 #define MAX_ASM_OPERANDS 30
 389 typedef struct ASMOperand {
 390     int id; /* GCC 3 optionnal identifier (0 if number only supported */
 391     char *constraint;
 392     char asm_str[16]; /* computed asm string for operand */
 393     SValue *vt; /* C value of the expression */
 394     int ref_index; /* if >= 0, gives reference to a output constraint */
 395     int input_index; /* if >= 0, gives reference to an input constraint */
 396     int priority; /* priority, used to assign registers */
 397     int reg; /* if >= 0, register number used for this operand */
 398     int is_llong; /* true if double register value */
 399     int is_memory; /* true if memory operand */
 400     int is_rw;     /* for '+' modifier */
 401 } ASMOperand;
 402 #endif
 403
 404 struct TCCState {
 405     unsigned output_type    : 8;
 406     unsigned reloc_output   : 1;
 407
 408     BufferedFile **include_stack_ptr;
 409     int *ifdef_stack_ptr;
 410
 411     /* include file handling */
 412     char **include_paths;
 413     int nb_include_paths;
 414     char **sysinclude_paths;
 415     int nb_sysinclude_paths;
 416     CachedInclude **cached_includes;
 417     int nb_cached_includes;
 418
 419     char **library_paths;
 420     int nb_library_paths;
 421
 422     /* array of all loaded dlls (including those referenced by loaded
 423        dlls) */
 424     DLLReference **loaded_dlls;
 425     int nb_loaded_dlls;
 426
 427     /* sections */
 428     Section **sections;
 429     int nb_sections; /* number of sections, including first dummy section */
 430
 431     Section **priv_sections;
 432     int nb_priv_sections; /* number of private sections */
 433
 434     /* got handling */
 435     Section *got;
 436     Section *plt;
 437     unsigned long *got_offsets;
 438     int nb_got_offsets;
 439     /* give the correspondance from symtab indexes to dynsym indexes */
 440     int *symtab_to_dynsym;
 441
 442     /* temporary dynamic symbol sections (for dll loading) */
 443     Section *dynsymtab_section;
 444     /* exported dynamic symbol section */
 445     Section *dynsym;
 446
 447     int nostdinc; /* if true, no standard headers are added */
 448     int nostdlib; /* if true, no standard libraries are added */
 449     int nocommon; /* if true, do not use common symbols for .bss data */
 450
 451     /* if true, static linking is performed */
 452     int static_link;
 453
 454     /* soname as specified on the command line (-soname) */
 455     const char *soname;
 456     /* rpath as specified on the command line (-Wl,-rpath=) */
 457     const char *rpath;
 458
 459     /* if true, all symbols are exported */
 460     int rdynamic;
 461
 462     /* if true, resolve symbols in the current module first (-Wl,Bsymbolic) */
 463     int symbolic;
 464
 465     /* if true, only link in referenced objects from archive */
 466     int alacarte_link;
 467
 468     /* address of text section */
 469     unsigned long text_addr;
 470     int has_text_addr;
 471
 472     /* symbols to call at load-time / unload-time */
 473     const char *init_symbol;
 474     const char *fini_symbol;
 475
 476     /* output format, see TCC_OUTPUT_FORMAT_xxx */
 477     int output_format;
 478
 479     /* C language options */
 480     int char_is_unsigned;
 481     int leading_underscore;
 482
 483     /* warning switches */
 484     int warn_write_strings;
 485     int warn_unsupported;
 486     int warn_error;
 487     int warn_none;
 488     int warn_implicit_function_declaration;
 489
 490     /* display some information during compilation */
 491     int verbose;
 492     /* compile with debug symbol (and use them if error during execution) */
 493     int do_debug;
 494 #ifdef CONFIG_TCC_BCHECK
 495     /* compile with built-in memory and bounds checker */
 496     int do_bounds_check;
 497 #endif
 498     /* give the path of the tcc libraries */
 499     char *tcc_lib_path;
 500
 501     /* error handling */
 502     void *error_opaque;
 503     void (*error_func)(void *opaque, const char *msg);
 504     int error_set_jmp_enabled;
 505     jmp_buf error_jmp_buf;
 506     int nb_errors;
 507
 508     /* tiny assembler state */
 509     Sym *asm_labels;
 510
 511     /* see include_stack_ptr */
 512     BufferedFile *include_stack[INCLUDE_STACK_SIZE];
 513
 514     /* see ifdef_stack_ptr */
 515     int ifdef_stack[IFDEF_STACK_SIZE];
 516
 517     /* see cached_includes */
 518     int cached_includes_hash[CACHED_INCLUDES_HASH_SIZE];
 519
 520     /* pack stack */
 521     int pack_stack[PACK_STACK_SIZE];
 522     int *pack_stack_ptr;
 523
 524     /* output file for preprocessing */
 525     FILE *outfile;
 526
 527     /* input files and libraries for this compilation */
 528     char **input_files;
 529     int nb_input_files;
 530     char **input_libs;
 531     int nb_input_libs;
 532
 533     /* automatically collected dependencies for this compilation */
 534     char **target_deps;
 535     int nb_target_deps;
 536
 537     /* for tcc_relocate */
 538     int runtime_added;
 539     void *runtime_mem;
 540 #ifdef HAVE_SELINUX
 541     void *write_mem;
 542     unsigned long mem_size;
 543 #endif
 544
 545     struct InlineFunc **inline_fns;
 546     int nb_inline_fns;
 547
 548 #ifdef TCC_TARGET_I386
 549     int seg_size;
 550 #endif
 551
 552     /* section alignment */
 553     unsigned long section_align;
 554
 555 #ifdef TCC_TARGET_PE
 556     /* PE info */
 557     int pe_subsystem;
 558     unsigned long pe_file_align;
 559     struct pe_uw {
 560         Section *pdata;
 561         int sym_1, sym_2, offs_1;
 562     } pe_unwind;
 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   0x00ff
 576 #define VT_CONST     0x00f0  /* constant in vc
 577                               (must be first non register value) */
 578 #define VT_LLOCAL    0x00f1  /* lvalue, offset on stack */
 579 #define VT_LOCAL     0x00f2  /* offset on stack */
 580 #define VT_CMP       0x00f3  /* the value is stored in processor flags (in vc) */
 581 #define VT_JMP       0x00f4  /* value is the consequence of jmp true (even) */
 582 #define VT_JMPI      0x00f5  /* 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 /* types */
 597 #define VT_INT        0  /* integer type */
 598 #define VT_BYTE       1  /* signed byte type */
 599 #define VT_SHORT      2  /* short type */
 600 #define VT_VOID       3  /* void type */
 601 #define VT_PTR        4  /* pointer */
 602 #define VT_ENUM       5  /* enum definition */
 603 #define VT_FUNC       6  /* function type */
 604 #define VT_STRUCT     7  /* struct/union definition */
 605 #define VT_FLOAT      8  /* IEEE float */
 606 #define VT_DOUBLE     9  /* IEEE double */
 607 #define VT_LDOUBLE   10  /* IEEE long double */
 608 #define VT_BOOL      11  /* ISOC99 boolean type */
 609 #define VT_LLONG     12  /* 64 bit integer */
 610 #define VT_LONG      13  /* long integer (NEVER USED as type, only
 611                             during parsing) */
 612 #define VT_BTYPE      0x000f /* mask for basic type */
 613 #define VT_UNSIGNED   0x0010  /* unsigned type */
 614 #define VT_ARRAY      0x0020  /* array type (also has VT_PTR) */
 615 #define VT_BITFIELD   0x0040  /* bitfield modifier */
 616 #define VT_CONSTANT   0x0800  /* const modifier */
 617 #define VT_VOLATILE   0x1000  /* volatile modifier */
 618 #define VT_SIGNED     0x2000  /* signed type */
 619
 620 /* storage */
 621 #define VT_EXTERN  0x00000080  /* extern definition */
 622 #define VT_STATIC  0x00000100  /* static variable */
 623 #define VT_TYPEDEF 0x00000200  /* typedef definition */
 624 #define VT_INLINE  0x00000400  /* inline definition */
 625 #define VT_IMPORT  0x00004000  /* win32: extern data imported from dll */
 626 #define VT_EXPORT  0x00008000  /* win32: data exported from dll */
 627
 628 #define VT_STRUCT_SHIFT 16   /* shift for bitfield shift values */
 629
 630 /* type mask (except storage) */
 631 #define VT_STORAGE (VT_EXTERN | VT_STATIC | VT_TYPEDEF | VT_INLINE | VT_IMPORT | VT_EXPORT)
 632 #define VT_TYPE    (~(VT_STORAGE))
 633
 634 /* token values */
 635
 636 /* warning: the following compare tokens depend on i386 asm code */
 637 #define TOK_ULT 0x92
 638 #define TOK_UGE 0x93
 639 #define TOK_EQ  0x94
 640 #define TOK_NE  0x95
 641 #define TOK_ULE 0x96
 642 #define TOK_UGT 0x97
 643 #define TOK_Nset 0x98
 644 #define TOK_Nclear 0x99
 645 #define TOK_LT  0x9c
 646 #define TOK_GE  0x9d
 647 #define TOK_LE  0x9e
 648 #define TOK_GT  0x9f
 649
 650 #define TOK_LAND  0xa0
 651 #define TOK_LOR   0xa1
 652
 653 #define TOK_DEC   0xa2
 654 #define TOK_MID   0xa3 /* inc/dec, to void constant */
 655 #define TOK_INC   0xa4
 656 #define TOK_UDIV  0xb0 /* unsigned division */
 657 #define TOK_UMOD  0xb1 /* unsigned modulo */
 658 #define TOK_PDIV  0xb2 /* fast division with undefined rounding for pointers */
 659 #define TOK_CINT   0xb3 /* number in tokc */
 660 #define TOK_CCHAR 0xb4 /* char constant in tokc */
 661 #define TOK_STR   0xb5 /* pointer to string in tokc */
 662 #define TOK_TWOSHARPS 0xb6 /* ## preprocessing token */
 663 #define TOK_LCHAR    0xb7
 664 #define TOK_LSTR     0xb8
 665 #define TOK_CFLOAT   0xb9 /* float constant */
 666 #define TOK_LINENUM  0xba /* line number info */
 667 #define TOK_CDOUBLE  0xc0 /* double constant */
 668 #define TOK_CLDOUBLE 0xc1 /* long double constant */
 669 #define TOK_UMULL    0xc2 /* unsigned 32x32 -> 64 mul */
 670 #define TOK_ADDC1    0xc3 /* add with carry generation */
 671 #define TOK_ADDC2    0xc4 /* add with carry use */
 672 #define TOK_SUBC1    0xc5 /* add with carry generation */
 673 #define TOK_SUBC2    0xc6 /* add with carry use */
 674 #define TOK_CUINT    0xc8 /* unsigned int constant */
 675 #define TOK_CLLONG   0xc9 /* long long constant */
 676 #define TOK_CULLONG  0xca /* unsigned long long constant */
 677 #define TOK_ARROW    0xcb
 678 #define TOK_DOTS     0xcc /* three dots */
 679 #define TOK_SHR      0xcd /* unsigned shift right */
 680 #define TOK_PPNUM    0xce /* preprocessor number */
 681
 682 #define TOK_SHL   0x01 /* shift left */
 683 #define TOK_SAR   0x02 /* signed shift right */
 684
 685 /* assignement operators : normal operator or 0x80 */
 686 #define TOK_A_MOD 0xa5
 687 #define TOK_A_AND 0xa6
 688 #define TOK_A_MUL 0xaa
 689 #define TOK_A_ADD 0xab
 690 #define TOK_A_SUB 0xad
 691 #define TOK_A_DIV 0xaf
 692 #define TOK_A_XOR 0xde
 693 #define TOK_A_OR  0xfc
 694 #define TOK_A_SHL 0x81
 695 #define TOK_A_SAR 0x82
 696
 697 #ifndef offsetof
 698 #define offsetof(type, field) ((size_t) &((type *)0)->field)
 699 #endif
 700
 701 #ifndef countof
 702 #define countof(tab) (sizeof(tab) / sizeof((tab)[0]))
 703 #endif
 704
 705 #define TOK_EOF       (-1)  /* end of file */
 706 #define TOK_LINEFEED  10    /* line feed */
 707
 708 /* all identificators and strings have token above that */
 709 #define TOK_IDENT 256
 710
 711 #define DEF_ASM(x) DEF(TOK_ASM_ ## x, #x)
 712 #define TOK_ASM_int TOK_INT
 713
 714 #if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
 715 /* only used for i386 asm opcodes definitions */
 716 #define DEF_BWL(x) \
 717  DEF(TOK_ASM_ ## x ## b, #x "b") \
 718  DEF(TOK_ASM_ ## x ## w, #x "w") \
 719  DEF(TOK_ASM_ ## x ## l, #x "l") \
 720  DEF(TOK_ASM_ ## x, #x)
 721 #define DEF_WL(x) \
 722  DEF(TOK_ASM_ ## x ## w, #x "w") \
 723  DEF(TOK_ASM_ ## x ## l, #x "l") \
 724  DEF(TOK_ASM_ ## x, #x)
 725 #ifdef TCC_TARGET_X86_64
 726 # define DEF_BWLQ(x) \
 727  DEF(TOK_ASM_ ## x ## b, #x "b") \
 728  DEF(TOK_ASM_ ## x ## w, #x "w") \
 729  DEF(TOK_ASM_ ## x ## l, #x "l") \
 730  DEF(TOK_ASM_ ## x ## q, #x "q") \
 731  DEF(TOK_ASM_ ## x, #x)
 732 # define DEF_WLQ(x) \
 733  DEF(TOK_ASM_ ## x ## w, #x "w") \
 734  DEF(TOK_ASM_ ## x ## l, #x "l") \
 735  DEF(TOK_ASM_ ## x ## q, #x "q") \
 736  DEF(TOK_ASM_ ## x, #x)
 737 # define DEF_BWLX DEF_BWLQ
 738 # define DEF_WLX DEF_WLQ
 739 /* number of sizes + 1 */
 740 # define NBWLX 5
 741 #else
 742 # define DEF_BWLX DEF_BWL
 743 # define DEF_WLX DEF_WL
 744 /* number of sizes + 1 */
 745 # define NBWLX 4
 746 #endif
 747
 748 #define DEF_FP1(x) \
 749  DEF(TOK_ASM_ ## f ## x ## s, "f" #x "s") \
 750  DEF(TOK_ASM_ ## fi ## x ## l, "fi" #x "l") \
 751  DEF(TOK_ASM_ ## f ## x ## l, "f" #x "l") \
 752  DEF(TOK_ASM_ ## fi ## x ## s, "fi" #x "s")
 753
 754 #define DEF_FP(x) \
 755  DEF(TOK_ASM_ ## f ## x, "f" #x ) \
 756  DEF(TOK_ASM_ ## f ## x ## p, "f" #x "p") \
 757  DEF_FP1(x)
 758
 759 #define DEF_ASMTEST(x) \
 760  DEF_ASM(x ## o) \
 761  DEF_ASM(x ## no) \
 762  DEF_ASM(x ## b) \
 763  DEF_ASM(x ## c) \
 764  DEF_ASM(x ## nae) \
 765  DEF_ASM(x ## nb) \
 766  DEF_ASM(x ## nc) \
 767  DEF_ASM(x ## ae) \
 768  DEF_ASM(x ## e) \
 769  DEF_ASM(x ## z) \
 770  DEF_ASM(x ## ne) \
 771  DEF_ASM(x ## nz) \
 772  DEF_ASM(x ## be) \
 773  DEF_ASM(x ## na) \
 774  DEF_ASM(x ## nbe) \
 775  DEF_ASM(x ## a) \
 776  DEF_ASM(x ## s) \
 777  DEF_ASM(x ## ns) \
 778  DEF_ASM(x ## p) \
 779  DEF_ASM(x ## pe) \
 780  DEF_ASM(x ## np) \
 781  DEF_ASM(x ## po) \
 782  DEF_ASM(x ## l) \
 783  DEF_ASM(x ## nge) \
 784  DEF_ASM(x ## nl) \
 785  DEF_ASM(x ## ge) \
 786  DEF_ASM(x ## le) \
 787  DEF_ASM(x ## ng) \
 788  DEF_ASM(x ## nle) \
 789  DEF_ASM(x ## g)
 790
 791 #endif // defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
 792
 793 enum tcc_token {
 794     TOK_LAST = TOK_IDENT - 1,
 795 #define DEF(id, str) id,
 796 #include "tcctok.h"
 797 #undef DEF
 798 };
 799
 800 #define TOK_UIDENT TOK_DEFINE
 801
 802 #ifdef _WIN32
 803 #define snprintf _snprintf
 804 #define vsnprintf _vsnprintf
 805 #ifndef __GNUC__
 806   #define strtold (long double)strtod
 807   #define strtof (float)strtod
 808   #define strtoll (long long)strtol
 809 #endif
 810 #elif defined(TCC_UCLIBC) || defined(__FreeBSD__) \
 811     || defined(__FreeBSD_kernel__) || defined(__DragonFly__) \
 812     || defined(__OpenBSD__)
 813 /* currently incorrect */
 814 static inline long double strtold(const char *nptr, char **endptr)
 815 {
 816     return (long double)strtod(nptr, endptr);
 817 }
 818 static inline float strtof(const char *nptr, char **endptr)
 819 {
 820     return (float)strtod(nptr, endptr);
 821 }
 822 #else
 823 /* XXX: need to define this to use them in non ISOC99 context */
 824 extern float strtof (const char *__nptr, char **__endptr);
 825 extern long double strtold (const char *__nptr, char **__endptr);
 826 #endif
 827
 828 #ifdef _WIN32
 829 #define IS_PATHSEP(c) (c == '/' || c == '\\')
 830 #define IS_ABSPATH(p) (IS_PATHSEP(p[0]) || (p[0] && p[1] == ':' && IS_PATHSEP(p[2])))
 831 #define PATHCMP stricmp
 832 #else
 833 #define IS_PATHSEP(c) (c == '/')
 834 #define IS_ABSPATH(p) IS_PATHSEP(p[0])
 835 #define PATHCMP strcmp
 836 #endif
 837
 838 /* space exlcuding newline */
 839 static inline int is_space(int ch)
 840 {
 841     return ch == ' ' || ch == '\t' || ch == '\v' || ch == '\f' || ch == '\r';
 842 }
 843
 844 static inline int isid(int c)
 845 {
 846     return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || c == '_';
 847 }
 848
 849 static inline int isnum(int c)
 850 {
 851     return c >= '0' && c <= '9';
 852 }
 853
 854 static inline int isoct(int c)
 855 {
 856     return c >= '0' && c <= '7';
 857 }
 858
 859 static inline int toup(int c)
 860 {
 861     return (c >= 'a' && c <= 'z') ? c - 'a' + 'A' : c;
 862 }
 863
 864 #define PUB_FUNC
 865
 866 #ifndef NOTALLINONE
 867 #define ST_INLN static inline
 868 #define ST_FUNC static
 869 #define ST_DATA static
 870 #else
 871 #define ST_INLN
 872 #define ST_FUNC
 873 #define ST_DATA extern
 874 #endif
 875
 876 /* ------------ libtcc.c ------------ */
 877
 878 /* use GNU C extensions */
 879 ST_DATA int gnu_ext;
 880 /* use Tiny C extensions */
 881 ST_DATA int tcc_ext;
 882 /* XXX: get rid of this ASAP */
 883 ST_DATA struct TCCState *tcc_state;
 884
 885 #ifdef CONFIG_TCC_BACKTRACE
 886 ST_DATA int num_callers;
 887 ST_DATA const char **rt_bound_error_msg;
 888 ST_DATA void *rt_prog_main;
 889 #endif
 890
 891 #define AFF_PRINT_ERROR     0x0001 /* print error if file not found */
 892 #define AFF_REFERENCED_DLL  0x0002 /* load a referenced dll from another dll */
 893 #define AFF_PREPROCESS      0x0004 /* preprocess file */
 894
 895 /* public functions currently used by the tcc main function */
 896 PUB_FUNC char *pstrcpy(char *buf, int buf_size, const char *s);
 897 PUB_FUNC char *pstrcat(char *buf, int buf_size, const char *s);
 898 PUB_FUNC char *tcc_basename(const char *name);
 899 PUB_FUNC char *tcc_fileextension (const char *name);
 900 PUB_FUNC void tcc_free(void *ptr);
 901 PUB_FUNC void *tcc_malloc(unsigned long size);
 902 PUB_FUNC void *tcc_mallocz(unsigned long size);
 903 PUB_FUNC void *tcc_realloc(void *ptr, unsigned long size);
 904 PUB_FUNC char *tcc_strdup(const char *str);
 905 #define free(p) use_tcc_free(p)
 906 #define malloc(s) use_tcc_malloc(s)
 907 #define realloc(p, s) use_tcc_realloc(p, s)
 908 #undef strdup
 909 #define strdup(s) use_tcc_strdup(s)
 910 PUB_FUNC void tcc_memstats(void);
 911 PUB_FUNC void dynarray_add(void ***ptab, int *nb_ptr, void *data);
 912 PUB_FUNC void dynarray_reset(void *pp, int *n);
 913 PUB_FUNC void error_noabort(const char *fmt, ...);
 914 PUB_FUNC void error(const char *fmt, ...);
 915 PUB_FUNC void expect(const char *msg);
 916 PUB_FUNC void warning(const char *fmt, ...);
 917
 918 /* other utilities */
 919 ST_INLN void cstr_ccat(CString *cstr, int ch);
 920 ST_FUNC void cstr_cat(CString *cstr, const char *str);
 921 ST_FUNC void cstr_wccat(CString *cstr, int ch);
 922 ST_FUNC void cstr_new(CString *cstr);
 923 ST_FUNC void cstr_free(CString *cstr);
 924 ST_FUNC void add_char(CString *cstr, int c);
 925 #define cstr_reset(cstr) cstr_free(cstr)
 926
 927 ST_FUNC Section *new_section(TCCState *s1, const char *name, int sh_type, int sh_flags);
 928 ST_FUNC void section_realloc(Section *sec, unsigned long new_size);
 929 ST_FUNC void *section_ptr_add(Section *sec, unsigned long size);
 930 ST_FUNC void section_reserve(Section *sec, unsigned long size);
 931 ST_FUNC Section *find_section(TCCState *s1, const char *name);
 932
 933 ST_FUNC void put_extern_sym2(Sym *sym, Section *section, unsigned long value, unsigned long size, int can_add_underscore);
 934 ST_FUNC void put_extern_sym(Sym *sym, Section *section, unsigned long value, unsigned long size);
 935 ST_FUNC void greloc(Section *s, Sym *sym, unsigned long offset, int type);
 936
 937 ST_INLN void sym_free(Sym *sym);
 938 ST_FUNC Sym *sym_push2(Sym **ps, int v, int t, long c);
 939 ST_FUNC Sym *sym_find2(Sym *s, int v);
 940 ST_FUNC Sym *sym_push(int v, CType *type, int r, int c);
 941 ST_FUNC void sym_pop(Sym **ptop, Sym *b);
 942 ST_INLN Sym *struct_find(int v);
 943 ST_INLN Sym *sym_find(int v);
 944 ST_FUNC Sym *global_identifier_push(int v, int t, int c);
 945
 946 ST_FUNC BufferedFile *tcc_open(TCCState *s1, const char *filename);
 947 ST_FUNC void tcc_close(BufferedFile *bf);
 948 ST_FUNC int tcc_add_file_internal(TCCState *s1, const char *filename, int flags);
 949 ST_FUNC int tcc_add_dll(TCCState *s, const char *filename, int flags);
 950 PUB_FUNC int tcc_set_flag(TCCState *s, const char *flag_name, int value);
 951 PUB_FUNC void tcc_print_stats(TCCState *s, int64_t total_time);
 952 PUB_FUNC void set_num_callers(int n);
 953
 954 ST_FUNC int ieee_finite(double d);
 955
 956 /* ------------ tccpp.c ------------ */
 957
 958 ST_DATA struct BufferedFile *file;
 959 ST_DATA int ch, tok;
 960 ST_DATA CValue tokc;
 961 ST_DATA const int *macro_ptr;
 962 ST_DATA int parse_flags;
 963 ST_DATA int tok_flags;
 964 ST_DATA CString tokcstr; /* current parsed string, if any */
 965
 966 /* display benchmark infos */
 967 ST_DATA int total_lines;
 968 ST_DATA int total_bytes;
 969 ST_DATA int tok_ident;
 970 ST_DATA TokenSym **table_ident;
 971
 972 #define TOK_FLAG_BOL   0x0001 /* beginning of line before */
 973 #define TOK_FLAG_BOF   0x0002 /* beginning of file before */
 974 #define TOK_FLAG_ENDIF 0x0004 /* a endif was found matching starting #ifdef */
 975 #define TOK_FLAG_EOF   0x0008 /* end of file */
 976
 977 #define PARSE_FLAG_PREPROCESS 0x0001 /* activate preprocessing */
 978 #define PARSE_FLAG_TOK_NUM    0x0002 /* return numbers instead of TOK_PPNUM */
 979 #define PARSE_FLAG_LINEFEED   0x0004 /* line feed is returned as a
 980                                         token. line feed is also
 981                                         returned at eof */
 982 #define PARSE_FLAG_ASM_COMMENTS 0x0008 /* '#' can be used for line comment */
 983 #define PARSE_FLAG_SPACES     0x0010 /* next() returns space tokens (for -E) */
 984
 985 ST_FUNC TokenSym *tok_alloc(const char *str, int len);
 986 ST_FUNC char *get_tok_str(int v, CValue *cv);
 987 ST_FUNC void save_parse_state(ParseState *s);
 988 ST_FUNC void restore_parse_state(ParseState *s);
 989 ST_INLN void tok_str_new(TokenString *s);
 990 ST_FUNC void tok_str_free(int *str);
 991 ST_FUNC void tok_str_add(TokenString *s, int t);
 992 ST_FUNC void tok_str_add_tok(TokenString *s);
 993 ST_INLN void define_push(int v, int macro_type, int *str, Sym *first_arg);
 994 ST_FUNC void define_undef(Sym *s);
 995 ST_INLN Sym *define_find(int v);
 996 ST_FUNC void free_defines(Sym *b);
 997 ST_FUNC Sym *label_find(int v);
 998 ST_FUNC Sym *label_push(Sym **ptop, int v, int flags);
 999 ST_FUNC void label_pop(Sym **ptop, Sym *slast);
1000 ST_FUNC void parse_define(void);
1001 ST_FUNC void preprocess(int is_bof);
1002 ST_FUNC void next_nomacro(void);
1003 ST_FUNC void next(void);
1004 ST_INLN void unget_tok(int last_tok);
1005 ST_FUNC void preprocess_init(TCCState *s1);
1006 ST_FUNC void preprocess_new();
1007 ST_FUNC int tcc_preprocess(TCCState *s1);
1008 ST_FUNC void skip(int c);
1009
1010 /* ------------ tccgen.c ------------ */
1011
1012 ST_DATA Section *text_section, *data_section, *bss_section; /* predefined sections */
1013 ST_DATA Section *cur_text_section; /* current section where function code is generated */
1014 #ifdef CONFIG_TCC_ASM
1015 ST_DATA Section *last_text_section; /* to handle .previous asm directive */
1016 #endif
1017 #ifdef CONFIG_TCC_BCHECK
1018 /* bound check related sections */
1019 ST_DATA Section *bounds_section; /* contains global data bound description */
1020 ST_DATA Section *lbounds_section; /* contains local data bound description */
1021 #endif
1022 /* symbol sections */
1023 ST_DATA Section *symtab_section, *strtab_section;
1024 /* debug sections */
1025 ST_DATA Section *stab_section, *stabstr_section;
1026
1027 #define SYM_POOL_NB (8192 / sizeof(Sym))
1028 ST_DATA Sym *sym_free_first;
1029 ST_DATA void **sym_pools;
1030 ST_DATA int nb_sym_pools;
1031
1032 ST_DATA Sym *global_stack;
1033 ST_DATA Sym *local_stack;
1034 ST_DATA Sym *local_label_stack;
1035 ST_DATA Sym *global_label_stack;
1036 ST_DATA Sym *define_stack;
1037 ST_DATA CType char_pointer_type, func_old_type, int_type;
1038 ST_DATA SValue vstack[VSTACK_SIZE], *vtop;
1039 ST_DATA int rsym, anon_sym, ind, loc;
1040
1041 ST_DATA int const_wanted; /* true if constant wanted */
1042 ST_DATA int nocode_wanted; /* true if no code generation wanted for an expression */
1043 ST_DATA int global_expr;  /* true if compound literals must be allocated globally (used during initializers parsing */
1044 ST_DATA CType func_vt; /* current function return type (used by return instruction) */
1045 ST_DATA int func_vc;
1046 ST_DATA int last_line_num, last_ind, func_ind; /* debug last line number and pc */
1047 ST_DATA char *funcname;
1048
1049 ST_INLN int is_float(int t);
1050 ST_FUNC void test_lvalue(void);
1051 ST_FUNC void swap(int *p, int *q);
1052 ST_FUNC void vpushi(int v);
1053 ST_FUNC Sym *external_global_sym(int v, CType *type, int r);
1054 ST_FUNC void vset(CType *type, int r, int v);
1055 ST_FUNC void vswap(void);
1056 ST_FUNC void vpush_global_sym(CType *type, int v);
1057 ST_FUNC void vrott(int n);
1058 #ifdef TCC_TARGET_ARM
1059 ST_FUNC int get_reg_ex(int rc, int rc2);
1060 ST_FUNC void vnrott(int n);
1061 ST_FUNC void lexpand_nr(void);
1062 #endif
1063 ST_FUNC void vpushv(SValue *v);
1064 ST_FUNC void save_reg(int r);
1065 ST_FUNC int get_reg(int rc);
1066 ST_FUNC void save_regs(int n);
1067 ST_FUNC int gv(int rc);
1068 ST_FUNC void gv2(int rc1, int rc2);
1069 ST_FUNC void vpop(void);
1070 ST_FUNC void gen_op(int op);
1071 ST_FUNC int type_size(CType *type, int *a);
1072 ST_FUNC void mk_pointer(CType *type);
1073 ST_FUNC void vstore(void);
1074 ST_FUNC void inc(int post, int c);
1075 ST_FUNC void parse_asm_str(CString *astr);
1076 ST_FUNC int lvalue_type(int t);
1077 ST_FUNC void indir(void);
1078 ST_FUNC void unary(void);
1079 ST_FUNC void expr_prod(void);
1080 ST_FUNC void expr_sum(void);
1081 ST_FUNC void gexpr(void);
1082 ST_FUNC int expr_const(void);
1083 ST_FUNC void gen_inline_functions(void);
1084 ST_FUNC void decl(int l);
1085 #if defined CONFIG_TCC_BCHECK || defined TCC_TARGET_C67
1086 ST_FUNC Sym *get_sym_ref(CType *type, Section *sec, unsigned long offset, unsigned long size);
1087 #endif
1088
1089 /* ------------ tccelf.c ------------ */
1090
1091 #define ARMAG  "!<arch>\012"    /* For COFF and a.out archives */
1092
1093 typedef struct {
1094     unsigned int n_strx;         /* index into string table of name */
1095     unsigned char n_type;         /* type of symbol */
1096     unsigned char n_other;        /* misc info (usually empty) */
1097     unsigned short n_desc;        /* description field */
1098     unsigned int n_value;        /* value of symbol */
1099 } Stab_Sym;
1100
1101 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);
1102
1103 ST_FUNC int put_elf_str(Section *s, const char *sym);
1104 ST_FUNC int put_elf_sym(Section *s, uplong value, unsigned long size, int info, int other, int shndx, const char *name);
1105 ST_FUNC int add_elf_sym(Section *s, uplong value, unsigned long size, int info, int other, int sh_num, const char *name);
1106 ST_FUNC int find_elf_sym(Section *s, const char *name);
1107 ST_FUNC void put_elf_reloc(Section *symtab, Section *s, unsigned long offset, int type, int symbol);
1108
1109 ST_FUNC void put_stabs(const char *str, int type, int other, int desc, unsigned long value);
1110 ST_FUNC void put_stabs_r(const char *str, int type, int other, int desc, unsigned long value, Section *sec, int sym_index);
1111 ST_FUNC void put_stabn(int type, int other, int desc, int value);
1112 ST_FUNC void put_stabd(int type, int other, int desc);
1113
1114 ST_FUNC void relocate_common_syms(void);
1115 ST_FUNC void relocate_syms(TCCState *s1, int do_resolve);
1116 ST_FUNC void relocate_section(TCCState *s1, Section *s);
1117
1118 ST_FUNC void tcc_add_linker_symbols(TCCState *s1);
1119 ST_FUNC int tcc_load_object_file(TCCState *s1, int fd, unsigned long file_offset);
1120 ST_FUNC int tcc_load_archive(TCCState *s1, int fd);
1121 ST_FUNC void *tcc_get_symbol_err(TCCState *s, const char *name);
1122 ST_FUNC void tcc_add_bcheck(TCCState *s1);
1123
1124 ST_FUNC void build_got_entries(TCCState *s1);
1125 ST_FUNC void tcc_add_runtime(TCCState *s1);
1126
1127 #ifndef TCC_TARGET_PE
1128 ST_FUNC int tcc_load_dll(TCCState *s1, int fd, const char *filename, int level);
1129 ST_FUNC int tcc_load_ldscript(TCCState *s1);
1130 ST_FUNC uint8_t *parse_comment(uint8_t *p);
1131 ST_FUNC void minp(void);
1132 ST_INLN void inp(void);
1133 ST_FUNC int handle_eob(void);
1134 #endif
1135
1136 /* ------------ xxx-gen.c ------------ */
1137
1138 ST_FUNC void gsym_addr(int t, int a);
1139 ST_FUNC void gsym(int t);
1140 ST_FUNC void load(int r, SValue *sv);
1141 ST_FUNC void store(int r, SValue *v);
1142 ST_FUNC void gfunc_call(int nb_args);
1143 ST_FUNC void gfunc_prolog(CType *func_type);
1144 ST_FUNC void gfunc_epilog(void);
1145 ST_FUNC int gjmp(int t);
1146 ST_FUNC void gjmp_addr(int a);
1147 ST_FUNC int gtst(int inv, int t);
1148 ST_FUNC void gen_opi(int op);
1149 ST_FUNC void gen_opf(int op);
1150 ST_FUNC void gen_cvt_ftoi(int t);
1151 ST_FUNC void gen_cvt_ftof(int t);
1152 ST_FUNC void ggoto(void);
1153 #ifndef TCC_TARGET_C67
1154 ST_FUNC void o(unsigned int c);
1155 #endif
1156 #ifndef TCC_TARGET_ARM
1157 ST_FUNC void gen_cvt_itof(int t);
1158 #endif
1159
1160 /* ------------ i386-gen.c ------------ */
1161 #if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
1162 ST_FUNC void g(int c);
1163 ST_FUNC int oad(int c, int s);
1164 ST_FUNC void gen_le16(int c);
1165 ST_FUNC void gen_le32(int c);
1166 ST_FUNC void gen_addr32(int r, Sym *sym, int c);
1167 ST_FUNC void gen_addrpc32(int r, Sym *sym, int c);
1168 #endif
1169
1170 #ifdef CONFIG_TCC_BCHECK
1171 ST_FUNC void gen_bounded_ptr_add(void);
1172 ST_FUNC void gen_bounded_ptr_deref(void);
1173 #endif
1174
1175 /* ------------ x86_64-gen.c ------------ */
1176 #ifdef TCC_TARGET_X86_64
1177 ST_FUNC void gen_addr64(int r, Sym *sym, int64_t c);
1178 #endif
1179
1180 /* ------------ arm-gen.c ------------ */
1181 #ifdef TCC_TARGET_ARM
1182 ST_FUNC uint32_t encbranch(int pos, int addr, int fail);
1183 ST_FUNC void gen_cvt_itof1(int t);
1184 #endif
1185
1186 /* ------------ c67-gen.c ------------ */
1187 #ifdef TCC_TARGET_C67
1188 #endif
1189
1190 /* ------------ tcccoff.c ------------ */
1191
1192 #ifdef TCC_TARGET_COFF
1193 ST_FUNC int tcc_output_coff(TCCState *s1, FILE *f);
1194 ST_FUNC int tcc_load_coff(TCCState * s1, int fd);
1195 #endif
1196
1197 /* ------------ tccasm.c ------------ */
1198 ST_FUNC void asm_instr(void);
1199 ST_FUNC void asm_global_instr(void);
1200
1201 #ifdef CONFIG_TCC_ASM
1202 ST_FUNC int find_constraint(ASMOperand *operands, int nb_operands, const char *name, const char **pp);
1203 ST_FUNC void asm_expr(TCCState *s1, ExprValue *pe);
1204 ST_FUNC int asm_int_expr(TCCState *s1);
1205 ST_FUNC int tcc_assemble(TCCState *s1, int do_preprocess);
1206 /* ------------ i386-asm.c ------------ */
1207 ST_FUNC void gen_expr32(ExprValue *pe);
1208 ST_FUNC void asm_opcode(TCCState *s1, int opcode);
1209 ST_FUNC void asm_compute_constraints(ASMOperand *operands, int nb_operands, int nb_outputs, const uint8_t *clobber_regs, int *pout_reg);
1210 ST_FUNC void subst_asm_operand(CString *add_str, SValue *sv, int modifier);
1211 ST_FUNC void asm_gen_code(ASMOperand *operands, int nb_operands, int nb_outputs, int is_output, uint8_t *clobber_regs, int out_reg);
1212 ST_FUNC void asm_clobber(uint8_t *clobber_regs, const char *str);
1213 #endif
1214 /* ------------ tccpe.c -------------- */
1215 #ifdef TCC_TARGET_PE
1216 ST_FUNC int pe_load_file(struct TCCState *s1, const char *filename, int fd);
1217 ST_FUNC int pe_add_dll(struct TCCState *s, const char *libraryname);
1218 ST_FUNC int pe_output_file(TCCState * s1, const char *filename);
1219 ST_FUNC int pe_putimport(TCCState *s1, int dllindex, const char *name, const void *value);
1220 ST_FUNC SValue *pe_getimport(SValue *sv, SValue *v2);
1221 /* tiny_impdef.c */
1222 ST_FUNC char *get_export_names(FILE *fp);
1223 #ifdef TCC_TARGET_X86_64
1224 ST_FUNC void pe_add_unwind_data(unsigned start, unsigned end, unsigned stack);
1225 #endif
1226 #endif
1227
1228 /* ------------ tccrun.c ----------------- */
1229 #ifdef CONFIG_TCC_STATIC
1230 #define RTLD_LAZY       0x001
1231 #define RTLD_NOW        0x002
1232 #define RTLD_GLOBAL     0x100
1233 #define RTLD_DEFAULT    NULL
1234 /* dummy function for profiling */
1235 ST_FUNC void *dlopen(const char *filename, int flag);
1236 ST_FUNC void dlclose(void *p);
1237 //ST_FUNC const char *dlerror(void);
1238 ST_FUNC void *resolve_sym(TCCState *s1, const char *symbol);
1239 #elif !defined TCC_TARGET_PE || !defined _WIN32
1240 ST_FUNC void *resolve_sym(TCCState *s1, const char *symbol);
1241 #endif
1242 /********************************************************/
1243 /* include the target specific definitions */
1244
1245 #define TARGET_DEFS_ONLY
1246 #ifdef TCC_TARGET_I386
1247 #include "i386-gen.c"
1248 #endif
1249 #ifdef TCC_TARGET_X86_64
1250 #include "x86_64-gen.c"
1251 #endif
1252 #ifdef TCC_TARGET_ARM
1253 #include "arm-gen.c"
1254 #endif
1255 #ifdef TCC_TARGET_C67
1256 #include "coff.h"
1257 #include "c67-gen.c"
1258 #endif
1259 #undef TARGET_DEFS_ONLY
1260
1261 ST_DATA const int reg_classes[NB_REGS];
1262
1263 /********************************************************/
1264 #undef ST_DATA
1265 #ifndef NOTALLINONE
1266 #define ST_DATA static
1267 #else
1268 #define ST_DATA
1269 #endif
1270 /********************************************************/
1271 #endif /* _TCC_H */