2 * TCC - Tiny C Compiler
4 * Copyright (c) 2001-2004 Fabrice Bellard
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.
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.
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
29 #define CONFIG_TCC_STATIC
44 #ifdef CONFIG_TCCASSERT
46 #define TCC_ASSERT(ex) assert(ex)
48 #define TCC_ASSERT(ex)
53 # include <sys/time.h>
54 # include <sys/ucontext.h>
55 # include <sys/mman.h>
56 # ifndef CONFIG_TCC_STATIC
59 /* XXX: need to define this to use them in non ISOC99 context */
60 extern float strtof (const char *__nptr
, char **__endptr
);
61 extern long double strtold (const char *__nptr
, char **__endptr
);
62 #else /* on _WIN32: */
64 # include <sys/timeb.h>
65 # include <io.h> /* open, close etc. */
66 # include <direct.h> /* getcwd */
70 # define inline __inline
72 # define snprintf _snprintf
73 # define vsnprintf _vsnprintf
75 # define strtold (long double)strtod
76 # define strtof (float)strtod
77 # define strtoll _strtoi64
78 # define strtoull _strtoui64
81 # define LIBTCCAPI __declspec(dllexport)
82 # define PUB_FUNC LIBTCCAPI
86 #endif /* !CONFIG_TCCBOOT */
93 # define NORETURN __attribute__ ((noreturn))
94 #elif defined _MSC_VER
95 # define NORETURN __declspec(noreturn)
101 # define IS_DIRSEP(c) (c == '/' || c == '\\')
102 # define IS_ABSPATH(p) (IS_DIRSEP(p[0]) || (p[0] && p[1] == ':' && IS_DIRSEP(p[2])))
103 # define PATHCMP stricmp
105 # define IS_DIRSEP(c) (c == '/')
106 # define IS_ABSPATH(p) IS_DIRSEP(p[0])
107 # define PATHCMP strcmp
117 #ifdef TCC_TARGET_X86_64
118 # define ELFCLASSW ELFCLASS64
119 # define ElfW(type) Elf##64##_##type
120 # define ELFW(type) ELF##64##_##type
121 # define ElfW_Rel ElfW(Rela)
122 # define SHT_RELX SHT_RELA
123 # define REL_SECTION_FMT ".rela%s"
124 /* XXX: DLL with PLT would only work with x86-64 for now */
125 # define TCC_OUTPUT_DLL_WITH_PLT
127 # define ELFCLASSW ELFCLASS32
128 # define ElfW(type) Elf##32##_##type
129 # define ELFW(type) ELF##32##_##type
130 # define ElfW_Rel ElfW(Rel)
131 # define SHT_RELX SHT_REL
132 # define REL_SECTION_FMT ".rel%s"
135 /* target address type */
136 #define addr_t ElfW(Addr)
142 /* #define PARSE_DEBUG */
143 /* preprocessor debug */
144 /* #define PP_DEBUG */
145 /* include file debug */
146 /* #define INC_DEBUG */
147 /* memory leak debug */
148 /* #define MEM_DEBUG */
149 /* assembler debug */
150 /* #define ASM_DEBUG */
151 /* #define PRINTF_ASM_CODE */
153 /* target selection */
154 /* #define TCC_TARGET_I386 *//* i386 code generator */
155 /* #define TCC_TARGET_ARM *//* ARMv4 code generator */
156 /* #define TCC_TARGET_C67 *//* TMS320C67xx code generator */
157 /* #define TCC_TARGET_X86_64 *//* x86-64 code generator */
159 /* default target is I386 */
160 #if !defined(TCC_TARGET_I386) && !defined(TCC_TARGET_ARM) && \
161 !defined(TCC_TARGET_C67) && !defined(TCC_TARGET_X86_64)
162 #define TCC_TARGET_I386
165 #if !defined(TCC_UCLIBC) && !defined(TCC_TARGET_ARM) && \
166 !defined(TCC_TARGET_C67) && !defined(TCC_TARGET_X86_64) && \
167 !defined(CONFIG_USE_LIBGCC)
168 #define CONFIG_TCC_BCHECK /* enable bound checking code */
171 /* define it to include assembler support */
172 #if !defined(TCC_TARGET_ARM) && !defined(TCC_TARGET_C67)
173 #define CONFIG_TCC_ASM
176 /* object format selection */
177 #if defined(TCC_TARGET_C67)
178 #define TCC_TARGET_COFF
181 /* only native compiler supports -run */
182 #if defined _WIN32 == defined TCC_TARGET_PE
183 # if (defined __i386__ || defined _X86_) && defined TCC_TARGET_I386
184 # define TCC_IS_NATIVE
185 # elif (defined __x86_64__ || defined _AMD64_) && defined TCC_TARGET_X86_64
186 # define TCC_IS_NATIVE
187 # elif defined __arm__ && defined TCC_TARGET_ARM
188 # define TCC_IS_NATIVE
192 #if defined TCC_IS_NATIVE && !defined CONFIG_TCCBOOT
193 # define CONFIG_TCC_BACKTRACE
196 /* ------------ path configuration ------------ */
198 #ifndef CONFIG_SYSROOT
199 # define CONFIG_SYSROOT ""
201 #ifndef CONFIG_TCCDIR
202 # define CONFIG_TCCDIR "."
205 # define CONFIG_LDDIR "lib"
208 #ifdef CONFIG_MULTIARCHDIR
209 # define USE_MUADIR(s) s "/" CONFIG_MULTIARCHDIR
210 # define ALSO_MUADIR(s) s "/" CONFIG_MULTIARCHDIR ":" s
212 # define USE_MUADIR(s) s
213 # define ALSO_MUADIR(s) s
216 /* path to find crt1.o, crti.o and crtn.o */
217 #ifndef CONFIG_TCC_CRTPREFIX
218 # define CONFIG_TCC_CRTPREFIX USE_MUADIR(CONFIG_SYSROOT "/usr/" CONFIG_LDDIR)
221 /* Below: {B} is substituted by CONFIG_TCCDIR (rsp. -B option) */
223 /* system include paths */
224 #ifndef CONFIG_TCC_SYSINCLUDEPATHS
225 # ifdef TCC_TARGET_PE
226 # define CONFIG_TCC_SYSINCLUDEPATHS "{B}/include;{B}/include/winapi"
228 # define CONFIG_TCC_SYSINCLUDEPATHS \
229 ALSO_MUADIR(CONFIG_SYSROOT "/usr/local/include") \
230 ":" ALSO_MUADIR(CONFIG_SYSROOT "/usr/include") \
235 /* library search paths */
236 #ifndef CONFIG_TCC_LIBPATHS
237 # ifdef TCC_TARGET_PE
238 # define CONFIG_TCC_LIBPATHS "{B}/lib"
240 # define CONFIG_TCC_LIBPATHS \
241 ALSO_MUADIR(CONFIG_SYSROOT "/usr/" CONFIG_LDDIR) \
242 ":" ALSO_MUADIR(CONFIG_SYSROOT "/" CONFIG_LDDIR) \
243 ":" ALSO_MUADIR(CONFIG_SYSROOT "/usr/local/" CONFIG_LDDIR)
247 /* name of ELF interpreter */
248 #ifndef CONFIG_TCC_ELFINTERP
249 # if defined __FreeBSD__
250 # define CONFIG_TCC_ELFINTERP "/libexec/ld-elf.so.1"
251 # elif defined __FreeBSD_kernel__
252 # if defined(TCC_TARGET_X86_64)
253 # define CONFIG_TCC_ELFINTERP "/lib/ld-kfreebsd-x86-64.so.1"
255 # define CONFIG_TCC_ELFINTERP "/lib/ld.so.1"
257 # elif defined __DragonFly__
258 # define CONFIG_TCC_ELFINTERP "/usr/libexec/ld-elf.so.2"
259 # elif defined __GNU__
260 # define CONFIG_TCC_ELFINTERP "/lib/ld.so"
261 # elif defined(TCC_TARGET_X86_64)
262 # define CONFIG_TCC_ELFINTERP "/lib64/ld-linux-x86-64.so.2"
263 # elif defined(TCC_UCLIBC)
264 # define CONFIG_TCC_ELFINTERP "/lib/ld-uClibc.so.0"
265 # elif defined(TCC_TARGET_PE)
266 # define CONFIG_TCC_ELFINTERP "-"
267 # elif !defined(TCC_ARM_EABI)
268 # define CONFIG_TCC_ELFINTERP "/lib/ld-linux.so.2"
272 /* var elf_interp dans *-gen.c */
273 #ifdef CONFIG_TCC_ELFINTERP
274 # define DEFAULT_ELFINTERP(s) CONFIG_TCC_ELFINTERP
276 # define DEFAULT_ELFINTERP(s) default_elfinterp(s)
279 /* library to use with CONFIG_USE_LIBGCC instead of libcrt.a */
280 #define TCC_LIBGCC USE_MUADIR(CONFIG_SYSROOT "/" CONFIG_LDDIR) "/libgcc_s.so.1"
282 /* -------------------------------------------- */
283 /* include the target specific definitions */
285 #define TARGET_DEFS_ONLY
286 #ifdef TCC_TARGET_I386
287 # include "i386-gen.c"
289 #ifdef TCC_TARGET_X86_64
290 # include "x86_64-gen.c"
292 #ifdef TCC_TARGET_ARM
293 # include "arm-gen.c"
295 #ifdef TCC_TARGET_C67
297 # include "c67-gen.c"
299 #undef TARGET_DEFS_ONLY
301 /* -------------------------------------------- */
303 #define INCLUDE_STACK_SIZE 32
304 #define IFDEF_STACK_SIZE 64
305 #define VSTACK_SIZE 256
306 #define STRING_MAX_SIZE 1024
307 #define PACK_STACK_SIZE 8
308 #define MACRO_STACK_SIZE 4
310 #define TOK_HASH_SIZE 8192 /* must be a power of two */
311 #define TOK_ALLOC_INCR 512 /* must be a power of two */
312 #define TOK_MAX_SIZE 4 /* token max size in int unit when stored in string */
314 typedef struct CSym
{
316 int size
;/* size in *sym */
317 struct Sym
**data
; /* if non NULL, data has been malloced */
320 /* token symbol management */
321 typedef struct TokenSym
{
322 struct TokenSym
*hash_next
;
323 struct CSym sym_define
; /* direct pointer to define */
324 struct Sym
*sym_label
; /* direct pointer to label */
325 struct Sym
*sym_struct
; /* direct pointer to structure */
326 struct Sym
*sym_identifier
; /* direct pointer to identifier */
327 int tok
; /* token number */
333 typedef unsigned short nwchar_t
;
335 typedef int nwchar_t
;
338 typedef struct CString
{
339 int size
; /* size in bytes */
340 void *data
; /* either 'char *' or 'nwchar_t *' */
342 void *data_allocated
; /* if non NULL, data has been malloced */
345 /* type definition */
346 typedef struct CType
{
352 typedef union CValue
{
358 unsigned int ul
; /* address (should be unsigned long on 64 bit cpu) */
360 unsigned long long ull
;
361 struct CString
*cstr
;
363 int tab
[LDOUBLE_SIZE
/4];
367 typedef struct SValue
{
368 CType type
; /* type */
369 unsigned int r
; /* register + flags */
370 unsigned int r2
; /* second register, used for 'long long'
371 type. If not used, set to VT_CONST */
372 CValue c
; /* constant, if VT_CONST */
373 struct Sym
*sym
; /* symbol, if (VT_SYM | VT_CONST) */
378 func_call
: 3, /* calling convention (0..5), see below */
379 aligned
: 5, /* alignement (0..16) */
388 fill
: 8; // 8 bits left to fit well in union below
391 /* GNUC attribute definition */
392 typedef struct AttributeDef
{
394 struct Section
*section
;
395 int alias_target
; /* token */
398 /* symbol management */
400 int v
; /* symbol token */
401 char *asm_label
; /* associated asm label */
403 long r
; /* associated register */
407 long c
; /* associated number */
408 int *d
; /* define token stream */
410 CType type
; /* associated type */
412 struct Sym
*next
; /* next related symbol */
413 long jnext
; /* next jump label */
415 struct Sym
*prev
; /* prev symbol in stack */
416 struct Sym
*prev_tok
; /* previous symbol for this token */
419 /* section definition */
420 /* XXX: use directly ELF structure for parameters ? */
421 /* special flag to indicate that the section should not be linked to
423 #define SHF_PRIVATE 0x80000000
425 /* special flag, too */
426 #define SECTION_ABS ((void *)1)
428 typedef struct Section
{
429 unsigned long data_offset
; /* current data offset */
430 unsigned char *data
; /* section data */
431 unsigned long data_allocated
; /* used for realloc() handling */
432 int sh_name
; /* elf section name (only used during output) */
433 int sh_num
; /* elf section number */
434 int sh_type
; /* elf section type */
435 int sh_flags
; /* elf section flags */
436 int sh_info
; /* elf section info */
437 int sh_addralign
; /* elf section alignment */
438 int sh_entsize
; /* elf entry size */
439 unsigned long sh_size
; /* section size (only used during output) */
440 addr_t sh_addr
; /* address at which the section is relocated */
441 unsigned long sh_offset
; /* file offset */
442 int nb_hashed_syms
; /* used to resize the hash table */
443 struct Section
*link
; /* link to another section */
444 struct Section
*reloc
; /* corresponding section for relocation, if any */
445 struct Section
*hash
; /* hash table for symbols */
446 struct Section
*next
;
447 char name
[1]; /* section name */
450 typedef struct DLLReference
{
456 /* -------------------------------------------------- */
458 #define SYM_STRUCT 0x40000000 /* struct/union/enum symbol space */
459 #define SYM_FIELD 0x20000000 /* struct/union field symbol space */
460 #define SYM_FIRST_ANOM 0x10000000 /* first anonymous sym */
462 #define VLA_SP_LOC_SET 0x01 /* Location of SP on stack has been allocated */
463 #define VLA_SP_SAVED 0x02 /* SP has been saved to slot already */
464 #define VLA_NEED_NEW_FRAME 0x04 /* Needs new frame for next VLA */
465 #define VLA_IN_SCOPE 0x08 /* One or more VLAs are in scope */
466 #define VLA_SCOPE_FLAGS (VLA_SP_SAVED|VLA_NEED_NEW_FRAME|VLA_IN_SCOPE) /* Flags which are saved and restored upon entering and exiting a block */
468 /* stored in 'Sym.c' field */
469 #define FUNC_NEW 1 /* ansi function prototype */
470 #define FUNC_OLD 2 /* old function prototype */
471 #define FUNC_ELLIPSIS 3 /* ansi function prototype with ... */
473 /* stored in 'Sym.r' field */
474 #define FUNC_CDECL 0 /* standard c call */
475 #define FUNC_STDCALL 1 /* pascal c call */
476 #define FUNC_FASTCALL1 2 /* first param in %eax */
477 #define FUNC_FASTCALL2 3 /* first parameters in %eax, %edx */
478 #define FUNC_FASTCALL3 4 /* first parameter in %eax, %edx, %ecx */
479 #define FUNC_FASTCALLW 5 /* first parameter in %ecx, %edx */
481 /* field 'Sym.t' for macros */
482 #define MACRO_OBJ 0 /* object like macro */
483 #define MACRO_FUNC 1 /* function like macro */
485 /* field 'Sym.r' for C labels */
486 #define LABEL_DEFINED 0 /* label is defined */
487 #define LABEL_FORWARD 1 /* label is forward defined */
488 #define LABEL_DECLARED 2 /* label is declared but never used */
490 /* type_decl() types */
491 #define TYPE_ABSTRACT 1 /* type without variable */
492 #define TYPE_DIRECT 2 /* type with variable */
494 #define IO_BUF_SIZE 8192
496 typedef struct BufferedFile
{
500 struct BufferedFile
*prev
;
501 int line_num
; /* current line number - here to simplify code */
502 int ifndef_macro
; /* #ifndef macro / #endif search */
503 int ifndef_macro_saved
; /* saved ifndef_macro */
504 int *ifdef_stack_ptr
; /* ifdef_stack value at the start of the file */
505 char filename
[1024]; /* filename */
506 unsigned char buffer
[IO_BUF_SIZE
+ 1]; /* extra size for CH_EOB char */
509 #define CH_EOB '\\' /* end of buffer or '\0' char in file */
510 #define CH_EOF (-1) /* end of file */
512 /* parsing state (used to save parser state to reparse part of the
513 source several times) */
514 typedef struct ParseState
{
515 const int *macro_ptr
;
521 /* used to record tokens */
522 typedef struct TokenString
{
529 /* inline functions */
530 typedef struct InlineFunc
{
536 /* include file cache, used to find files faster and also to eliminate
537 inclusion if the include file is protected by #ifndef ... #endif */
538 typedef struct CachedInclude
{
540 int hash_next
; /* -1 if none */
541 char filename
[1]; /* path specified in #include */
544 #define CACHED_INCLUDES_HASH_SIZE 512
546 #ifdef CONFIG_TCC_ASM
547 typedef struct ExprValue
{
552 #define MAX_ASM_OPERANDS 30
553 typedef struct ASMOperand
{
554 int id
; /* GCC 3 optionnal identifier (0 if number only supported */
556 char asm_str
[16]; /* computed asm string for operand */
557 SValue
*vt
; /* C value of the expression */
558 int ref_index
; /* if >= 0, gives reference to a output constraint */
559 int input_index
; /* if >= 0, gives reference to an input constraint */
560 int priority
; /* priority, used to assign registers */
561 int reg
; /* if >= 0, register number used for this operand */
562 int is_llong
; /* true if double register value */
563 int is_memory
; /* true if memory operand */
564 int is_rw
; /* for '+' modifier */
569 unsigned long got_offset
;
570 unsigned long plt_offset
;
571 #ifdef TCC_TARGET_ARM
572 unsigned char plt_thumb_stub
:1;
578 int verbose
; /* if true, display some information during compilation */
579 int nostdinc
; /* if true, no standard headers are added */
580 int nostdlib
; /* if true, no standard libraries are added */
581 int nocommon
; /* if true, do not use common symbols for .bss data */
582 int static_link
; /* if true, static linking is performed */
583 int rdynamic
; /* if true, all symbols are exported */
584 int symbolic
; /* if true, resolve symbols in the current module first */
585 int alacarte_link
; /* if true, only link in referenced objects from archive */
587 char *tcc_lib_path
; /* CONFIG_TCCDIR or -B option */
588 char *soname
; /* as specified on the command line (-soname) */
589 char *rpath
; /* as specified on the command line (-Wl,-rpath=) */
591 /* output type, see TCC_OUTPUT_XXX */
593 /* output format, see TCC_OUTPUT_FORMAT_xxx */
596 /* C language options */
597 int char_is_unsigned
;
598 int leading_underscore
;
600 /* warning switches */
601 int warn_write_strings
;
602 int warn_unsupported
;
605 int warn_implicit_function_declaration
;
607 /* compile with debug symbol (and use them if error during execution) */
609 #ifdef CONFIG_TCC_BCHECK
610 /* compile with built-in memory and bounds checker */
613 #ifdef TCC_TARGET_ARM
614 enum float_abi float_abi
; /* float ABI of the generated code*/
617 addr_t text_addr
; /* address of text section */
620 unsigned long section_align
; /* section alignment */
622 char *init_symbol
; /* symbols to call at load-time (not used currently) */
623 char *fini_symbol
; /* symbols to call at unload-time (not used currently) */
625 #ifdef TCC_TARGET_I386
626 int seg_size
; /* 32. Can be 16 with i386 assembler (.code16) */
629 /* array of all loaded dlls (including those referenced by loaded dlls) */
630 DLLReference
**loaded_dlls
;
634 char **include_paths
;
635 int nb_include_paths
;
637 char **sysinclude_paths
;
638 int nb_sysinclude_paths
;
641 char **library_paths
;
642 int nb_library_paths
;
644 /* crt?.o object path */
650 void (*error_func
)(void *opaque
, const char *msg
);
651 int error_set_jmp_enabled
;
652 jmp_buf error_jmp_buf
;
655 /* output file for preprocessing (-E) */
658 /* for -MD/-MF: collected dependencies for this compilation */
663 BufferedFile
*include_stack
[INCLUDE_STACK_SIZE
];
664 BufferedFile
**include_stack_ptr
;
666 int ifdef_stack
[IFDEF_STACK_SIZE
];
667 int *ifdef_stack_ptr
;
669 /* included files enclosed with #ifndef MACRO */
670 int cached_includes_hash
[CACHED_INCLUDES_HASH_SIZE
];
671 CachedInclude
**cached_includes
;
672 int nb_cached_includes
;
674 /* #pragma pack stack */
675 int pack_stack
[PACK_STACK_SIZE
];
678 /* inline functions are stored as token lists and compiled last
679 only if referenced */
680 struct InlineFunc
**inline_fns
;
685 int nb_sections
; /* number of sections, including first dummy section */
687 Section
**priv_sections
;
688 int nb_priv_sections
; /* number of private sections */
690 /* got & plt handling */
693 struct sym_attr
*sym_attrs
;
695 /* give the correspondance from symtab indexes to dynsym indexes */
696 int *symtab_to_dynsym
;
698 /* temporary dynamic symbol sections (for dll loading) */
699 Section
*dynsymtab_section
;
700 /* exported dynamic symbol section */
702 /* copy of the gobal symtab_section variable */
704 /* tiny assembler state */
710 unsigned pe_file_align
;
711 unsigned pe_stack_size
;
712 # ifdef TCC_TARGET_X86_64
720 const char *runtime_main
;
721 /* for tcc_relocate */
725 unsigned long mem_size
;
729 /* used by main and tcc_parse_args only */
730 char **files
; /* files seen on command line */
731 int nb_files
; /* number thereof */
732 int nb_libraries
; /* number of libs thereof */
733 char *outfile
; /* output filename */
734 char *option_m
; /* only -m32/-m64 handled */
735 int print_search_dirs
; /* option */
736 int option_r
; /* option -r */
737 int do_bench
; /* option -bench */
738 int gen_deps
; /* option -MD */
739 char *deps_outfile
; /* option -MF */
742 /* The current value can be: */
743 #define VT_VALMASK 0x003f /* mask for value location, register or: */
744 #define VT_CONST 0x0030 /* constant in vc (must be first non register value) */
745 #define VT_LLOCAL 0x0031 /* lvalue, offset on stack */
746 #define VT_LOCAL 0x0032 /* offset on stack */
747 #define VT_CMP 0x0033 /* the value is stored in processor flags (in vc) */
748 #define VT_JMP 0x0034 /* value is the consequence of jmp true (even) */
749 #define VT_JMPI 0x0035 /* value is the consequence of jmp false (odd) */
750 #define TREG_MEM 0x0040 /* x86_64-gen.c add for tcc.h: The current value can be */
751 #define VT_REF 0x0080 /* value is pointer to structure rather than address */
752 #define VT_LVAL 0x0100 /* var is an lvalue */
753 #define VT_SYM 0x0200 /* a symbol value is added */
754 #define VT_MUSTCAST 0x0400 /* value must be casted to be correct (used for
755 char/short stored in integer registers) */
756 #define VT_MUSTBOUND 0x0800 /* bound checking must be done before
757 dereferencing value */
758 #define VT_LVAL_BYTE 0x1000 /* lvalue is a byte */
759 #define VT_LVAL_SHORT 0x2000 /* lvalue is a short */
760 #define VT_LVAL_UNSIGNED 0x4000 /* lvalue is unsigned */
761 #define VT_LVAL_TYPE (VT_LVAL_BYTE | VT_LVAL_SHORT | VT_LVAL_UNSIGNED)
762 #define VT_BOUNDED 0x8000 /* value is bounded. The address of the
763 bounding function call point is in vc */
764 #define VT_TMP 0x10000 /* luck or tmp stack */
767 #define VT_BTYPE 0x000f /* mask for basic type */
768 #define VT_INT 0 /* integer type */
769 #define VT_BYTE 1 /* signed byte type */
770 #define VT_SHORT 2 /* short type */
771 #define VT_VOID 3 /* void type */
772 #define VT_PTR 4 /* pointer */
773 #define VT_ENUM 5 /* enum definition */
774 #define VT_FUNC 6 /* function type */
775 #define VT_STRUCT 7 /* struct/union definition */
776 #define VT_FLOAT 8 /* IEEE float */
777 #define VT_DOUBLE 9 /* IEEE double */
778 #define VT_LDOUBLE 10 /* IEEE long double */
779 #define VT_BOOL 11 /* ISOC99 boolean type */
780 #define VT_LLONG 12 /* 64 bit integer */
781 #define VT_LONG 13 /* long integer (NEVER USED as type, only
783 #define VT_QLONG 14 /* 128-bit integer. Only used for x86-64 ABI */
784 #define VT_QFLOAT 15 /* 128-bit float. Only used for x86-64 ABI */
785 #define VT_UNSIGNED 0x0010 /* unsigned type */
786 #define VT_ARRAY 0x0020 /* array type (also has VT_PTR) */
787 #define VT_BITFIELD 0x0040 /* bitfield modifier */
788 #define VT_CONSTANT 0x0800 /* const modifier */
789 #define VT_VOLATILE 0x1000 /* volatile modifier */
790 #define VT_DEFSIGN 0x2000 /* signed type */
791 #define VT_VLA 0x00020000 /* VLA type (also has VT_PTR and VT_ARRAY) */
792 #define VT_VLS 0x00080000 /* VLA type (also has VT_PTR and VT_STRUCT) */
795 #define VT_EXTERN 0x00000080 /* extern definition */
796 #define VT_STATIC 0x00000100 /* static variable */
797 #define VT_TYPEDEF 0x00000200 /* typedef definition */
798 #define VT_INLINE 0x00000400 /* inline definition */
799 #define VT_IMPORT 0x00004000 /* win32: extern data imported from dll */
800 #define VT_EXPORT 0x00008000 /* win32: data exported from dll */
801 #define VT_WEAK 0x00010000 /* weak symbol */
802 #define VT_TLS 0x00040000 /* thread-local storage */
803 #define VT_VIS_SHIFT 20 /* shift for symbol visibility, overlapping
804 bitfield values, because bitfields never
805 have linkage and hence never have
807 #define VT_VIS_SIZE 2 /* We have four visibilities. */
808 #define VT_VIS_MASK (((1 << VT_VIS_SIZE)-1) << VT_VIS_SHIFT)
810 #define VT_STRUCT_SHIFT 20 /* shift for bitfield shift values (max: 32 - 2*6) */
813 /* type mask (except storage) */
814 #define VT_STORAGE (VT_EXTERN | VT_STATIC | VT_TYPEDEF | VT_INLINE | VT_IMPORT | VT_EXPORT | VT_WEAK | VT_VIS_MASK)
815 #define VT_TYPE (~(VT_STORAGE))
819 /* warning: the following compare tokens depend on i386 asm code */
826 #define TOK_Nset 0x98
827 #define TOK_Nclear 0x99
833 #define TOK_LAND 0xa0
836 #define TOK_MID 0xa3 /* inc/dec, to void constant */
838 #define TOK_UDIV 0xb0 /* unsigned division */
839 #define TOK_UMOD 0xb1 /* unsigned modulo */
840 #define TOK_PDIV 0xb2 /* fast division with undefined rounding for pointers */
842 /* tokens that carry values (in additional token string space / tokc) --> */
843 #define TOK_CCHAR 0xb3 /* char constant in tokc */
844 #define TOK_LCHAR 0xb4
845 #define TOK_CINT 0xb5 /* number in tokc */
846 #define TOK_CUINT 0xb6 /* unsigned int constant */
847 #define TOK_CLLONG 0xb7 /* long long constant */
848 #define TOK_CULLONG 0xb8 /* unsigned long long constant */
849 #define TOK_STR 0xb9 /* pointer to string in tokc */
850 #define TOK_LSTR 0xba
851 #define TOK_CFLOAT 0xbb /* float constant */
852 #define TOK_CDOUBLE 0xbc /* double constant */
853 #define TOK_CLDOUBLE 0xbd /* long double constant */
854 #define TOK_PPNUM 0xbe /* preprocessor number */
855 #define TOK_LINENUM 0xbf /* line number info */
858 #define TOK_TWOSHARPS 0xc0 /* ## preprocessing token */
859 #define TOK_PLCHLDR 0xc1 /* placeholder token as defined in C99 */
860 #define TOK_UMULL 0xc2 /* unsigned 32x32 -> 64 mul */
861 #define TOK_ADDC1 0xc3 /* add with carry generation */
862 #define TOK_ADDC2 0xc4 /* add with carry use */
863 #define TOK_SUBC1 0xc5 /* add with carry generation */
864 #define TOK_SUBC2 0xc6 /* add with carry use */
865 #define TOK_ARROW 0xcb
866 #define TOK_DOTS 0xcc /* three dots */
867 #define TOK_SHR 0xcd /* unsigned shift right */
868 #define TOK_NOSUBST 0xcf /* means following token has already been pp'd */
870 #define TOK_SHL 0x01 /* shift left */
871 #define TOK_SAR 0x02 /* signed shift right */
873 /* assignement operators : normal operator or 0x80 */
874 #define TOK_A_MOD 0xa5
875 #define TOK_A_AND 0xa6
876 #define TOK_A_MUL 0xaa
877 #define TOK_A_ADD 0xab
878 #define TOK_A_SUB 0xad
879 #define TOK_A_DIV 0xaf
880 #define TOK_A_XOR 0xde
881 #define TOK_A_OR 0xfc
882 #define TOK_A_SHL 0x81
883 #define TOK_A_SAR 0x82
886 #define offsetof(type, field) ((size_t) &((type *)0)->field)
890 #define countof(tab) (sizeof(tab) / sizeof((tab)[0]))
893 #define TOK_EOF (-1) /* end of file */
894 #define TOK_LINEFEED 10 /* line feed */
896 /* all identificators and strings have token above that */
897 #define TOK_IDENT 256
899 #define DEF_ASM(x) DEF(TOK_ASM_ ## x, #x)
900 #define TOK_ASM_int TOK_INT
901 #define TOK_ASM_weak TOK_WEAK1
903 #if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
904 /* only used for i386 asm opcodes definitions */
906 DEF(TOK_ASM_ ## x ## b, #x "b") \
907 DEF(TOK_ASM_ ## x ## w, #x "w") \
908 DEF(TOK_ASM_ ## x ## l, #x "l") \
909 DEF(TOK_ASM_ ## x, #x)
911 DEF(TOK_ASM_ ## x ## w, #x "w") \
912 DEF(TOK_ASM_ ## x ## l, #x "l") \
913 DEF(TOK_ASM_ ## x, #x)
914 #ifdef TCC_TARGET_X86_64
915 # define DEF_BWLQ(x) \
916 DEF(TOK_ASM_ ## x ## b, #x "b") \
917 DEF(TOK_ASM_ ## x ## w, #x "w") \
918 DEF(TOK_ASM_ ## x ## l, #x "l") \
919 DEF(TOK_ASM_ ## x ## q, #x "q") \
920 DEF(TOK_ASM_ ## x, #x)
921 # define DEF_WLQ(x) \
922 DEF(TOK_ASM_ ## x ## w, #x "w") \
923 DEF(TOK_ASM_ ## x ## l, #x "l") \
924 DEF(TOK_ASM_ ## x ## q, #x "q") \
925 DEF(TOK_ASM_ ## x, #x)
926 # define DEF_BWLX DEF_BWLQ
927 # define DEF_WLX DEF_WLQ
928 /* number of sizes + 1 */
931 # define DEF_BWLX DEF_BWL
932 # define DEF_WLX DEF_WL
933 /* number of sizes + 1 */
938 DEF(TOK_ASM_ ## f ## x ## s, "f" #x "s") \
939 DEF(TOK_ASM_ ## fi ## x ## l, "fi" #x "l") \
940 DEF(TOK_ASM_ ## f ## x ## l, "f" #x "l") \
941 DEF(TOK_ASM_ ## fi ## x ## s, "fi" #x "s")
944 DEF(TOK_ASM_ ## f ## x, "f" #x ) \
945 DEF(TOK_ASM_ ## f ## x ## p, "f" #x "p") \
948 #define DEF_ASMTEST(x) \
980 #endif /* defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64 */
983 TOK_LAST
= TOK_IDENT
- 1,
984 #define DEF(id, str) id,
989 #define TOK_UIDENT TOK_DEFINE
991 /* space exlcuding newline */
992 static inline int is_space(int ch
)
994 return ch
== ' ' || ch
== '\t' || ch
== '\v' || ch
== '\f' || ch
== '\r';
997 static inline int isid(int c
)
999 return (c
>= 'a' && c
<= 'z') || (c
>= 'A' && c
<= 'Z') || c
== '_';
1002 static inline int isnum(int c
)
1004 return c
>= '0' && c
<= '9';
1007 static inline int isoct(int c
)
1009 return c
>= '0' && c
<= '7';
1012 static inline int toup(int c
)
1014 return (c
>= 'a' && c
<= 'z') ? c
- 'a' + 'A' : c
;
1022 #define ST_INLN static inline
1023 #define ST_FUNC static
1024 #define ST_DATA static
1028 #define ST_DATA extern
1031 /* ------------ libtcc.c ------------ */
1033 /* use GNU C extensions */
1034 ST_DATA
int gnu_ext
;
1035 /* use Tiny C extensions */
1036 ST_DATA
int tcc_ext
;
1037 /* XXX: get rid of this ASAP */
1038 ST_DATA
struct TCCState
*tcc_state
;
1041 ST_DATA
int mem_cur_size
;
1042 ST_DATA
int mem_max_size
;
1045 #define AFF_PRINT_ERROR 0x0001 /* print error if file not found */
1046 #define AFF_REFERENCED_DLL 0x0002 /* load a referenced dll from another dll */
1047 #define AFF_PREPROCESS 0x0004 /* preprocess file */
1049 /* public functions currently used by the tcc main function */
1050 PUB_FUNC
char *pstrcpy(char *buf
, int buf_size
, const char *s
);
1051 PUB_FUNC
char *pstrcat(char *buf
, int buf_size
, const char *s
);
1052 PUB_FUNC
char *pstrncpy(char *out
, const char *in
, size_t num
);
1053 PUB_FUNC
char *tcc_basename(const char *name
);
1054 PUB_FUNC
char *tcc_fileextension (const char *name
);
1055 PUB_FUNC
void tcc_free(void *ptr
);
1056 PUB_FUNC
void *tcc_malloc(unsigned long size
);
1057 PUB_FUNC
void *tcc_mallocz(unsigned long size
);
1058 PUB_FUNC
void *tcc_realloc(void *ptr
, unsigned long size
);
1059 PUB_FUNC
char *tcc_strdup(const char *str
);
1060 #define free(p) use_tcc_free(p)
1061 #define malloc(s) use_tcc_malloc(s)
1062 #define realloc(p, s) use_tcc_realloc(p, s)
1064 #define strdup(s) use_tcc_strdup(s)
1065 PUB_FUNC
void tcc_memstats(void);
1066 PUB_FUNC
void tcc_error_noabort(const char *fmt
, ...);
1067 PUB_FUNC NORETURN
void tcc_error(const char *fmt
, ...);
1068 PUB_FUNC
void tcc_warning(const char *fmt
, ...);
1070 /* other utilities */
1071 ST_FUNC
void dynarray_add(void ***ptab
, int *nb_ptr
, void *data
);
1072 ST_FUNC
void dynarray_reset(void *pp
, int *n
);
1073 ST_FUNC
void cstr_ccat(CString
*cstr
, int ch
);
1074 ST_FUNC
void cstr_cat(CString
*cstr
, const char *str
);
1075 ST_FUNC
void cstr_wccat(CString
*cstr
, int ch
);
1076 ST_FUNC
void cstr_new(CString
*cstr
);
1077 ST_FUNC
void cstr_free(CString
*cstr
);
1078 ST_FUNC
void cstr_reset(CString
*cstr
);
1080 ST_FUNC Section
*new_section(TCCState
*s1
, const char *name
, int sh_type
, int sh_flags
);
1081 ST_FUNC
void section_realloc(Section
*sec
, unsigned long new_size
);
1082 ST_FUNC
void *section_ptr_add(Section
*sec
, unsigned long size
);
1083 ST_FUNC
void section_reserve(Section
*sec
, unsigned long size
);
1084 ST_FUNC Section
*find_section(TCCState
*s1
, const char *name
);
1086 ST_FUNC
void put_extern_sym2(Sym
*sym
, Section
*section
, addr_t value
, unsigned long size
, int can_add_underscore
);
1087 ST_FUNC
void put_extern_sym(Sym
*sym
, Section
*section
, addr_t value
, unsigned long size
);
1088 ST_FUNC
void greloc(Section
*s
, Sym
*sym
, unsigned long offset
, int type
);
1090 ST_INLN
void sym_free(Sym
*sym
);
1091 ST_FUNC Sym
*sym_push2(Sym
**ps
, int v
, int t
, long c
);
1092 ST_FUNC Sym
*sym_find2(Sym
*s
, int v
);
1093 ST_FUNC Sym
*sym_push(int v
, CType
*type
, int r
, int c
);
1094 ST_FUNC
void sym_pop(Sym
**ptop
, Sym
*b
);
1095 ST_INLN Sym
*struct_find(int v
);
1096 ST_INLN Sym
*sym_find(int v
);
1097 ST_FUNC Sym
*global_identifier_push(int v
, int t
, int c
);
1099 ST_FUNC
void tcc_open_bf(TCCState
*s1
, const char *filename
, int initlen
);
1100 ST_FUNC
int tcc_open(TCCState
*s1
, const char *filename
);
1101 ST_FUNC
void tcc_close(void);
1103 ST_FUNC
int tcc_add_file_internal(TCCState
*s1
, const char *filename
, int flags
);
1104 ST_FUNC
int tcc_add_crt(TCCState
*s
, const char *filename
);
1105 ST_FUNC
int tcc_add_dll(TCCState
*s
, const char *filename
, int flags
);
1107 PUB_FUNC
void tcc_print_stats(TCCState
*s
, int64_t total_time
);
1108 PUB_FUNC
int tcc_parse_args(TCCState
*s
, int argc
, char **argv
);
1110 PUB_FUNC
void tcc_set_environment(TCCState
*s
);
1112 /* ------------ tccpp.c ------------ */
1114 ST_DATA
struct BufferedFile
*file
;
1115 ST_DATA
int ch
, tok
;
1116 ST_DATA CValue tokc
;
1117 ST_DATA
const int *macro_ptr
;
1118 ST_DATA
int parse_flags
;
1119 ST_DATA
int tok_flags
;
1120 ST_DATA CString tokcstr
; /* current parsed string, if any */
1122 /* display benchmark infos */
1123 ST_DATA
int total_lines
;
1124 ST_DATA
int total_bytes
;
1125 ST_DATA
int tok_ident
;
1126 ST_DATA TokenSym
**table_ident
;
1128 #define TOK_FLAG_BOL 0x0001 /* beginning of line before */
1129 #define TOK_FLAG_BOF 0x0002 /* beginning of file before */
1130 #define TOK_FLAG_ENDIF 0x0004 /* a endif was found matching starting #ifdef */
1131 #define TOK_FLAG_EOF 0x0008 /* end of file */
1133 #define PARSE_FLAG_PREPROCESS 0x0001 /* activate preprocessing */
1134 #define PARSE_FLAG_TOK_NUM 0x0002 /* return numbers instead of TOK_PPNUM */
1135 #define PARSE_FLAG_LINEFEED 0x0004 /* line feed is returned as a
1136 token. line feed is also
1138 #define PARSE_FLAG_ASM_COMMENTS 0x0008 /* '#' can be used for line comment */
1139 #define PARSE_FLAG_SPACES 0x0010 /* next() returns space tokens (for -E) */
1140 #define PARSE_FLAG_PACK 0x0020 /* #pragma pack */
1142 ST_FUNC TokenSym
*tok_alloc(const char *str
, int len
);
1143 ST_FUNC
char *get_tok_str(int v
, CValue
*cv
);
1144 ST_FUNC
void save_parse_state(ParseState
*s
);
1145 ST_FUNC
void restore_parse_state(ParseState
*s
);
1146 ST_INLN
void tok_str_new(TokenString
*s
);
1147 ST_FUNC
void tok_str_free(int *str
);
1148 ST_FUNC
void tok_str_add(TokenString
*s
, int t
);
1149 ST_FUNC
void tok_str_add_tok(TokenString
*s
);
1150 ST_INLN
void define_push(int v
, int macro_type
, int *str
, Sym
*first_arg
);
1151 ST_FUNC
void define_undef(Sym
*s
);
1152 ST_INLN Sym
*define_find(int v
);
1153 ST_FUNC
void free_defines(Sym
*b
);
1154 ST_FUNC Sym
*label_find(int v
);
1155 ST_FUNC Sym
*label_push(Sym
**ptop
, int v
, int flags
);
1156 ST_FUNC
void label_pop(Sym
**ptop
, Sym
*slast
);
1157 ST_FUNC
void parse_define(void);
1158 ST_FUNC
void preprocess(int is_bof
);
1159 ST_FUNC
void next_nomacro(void);
1160 ST_FUNC
void next(void);
1161 ST_INLN
void unget_tok(int last_tok
);
1162 ST_FUNC
void preprocess_init(TCCState
*s1
);
1163 ST_FUNC
void preprocess_new(void);
1164 ST_FUNC
int tcc_preprocess(TCCState
*s1
);
1165 ST_FUNC
void skip(int c
);
1166 ST_FUNC NORETURN
void expect(const char *msg
);
1168 /* ------------ tccgen.c ------------ */
1170 ST_DATA Section
*text_section
, *data_section
, *bss_section
; /* predefined sections */
1171 ST_DATA Section
*cur_text_section
; /* current section where function code is generated */
1172 #ifdef CONFIG_TCC_ASM
1173 ST_DATA Section
*last_text_section
; /* to handle .previous asm directive */
1175 #ifdef CONFIG_TCC_BCHECK
1176 /* bound check related sections */
1177 ST_DATA Section
*bounds_section
; /* contains global data bound description */
1178 ST_DATA Section
*lbounds_section
; /* contains local data bound description */
1180 /* symbol sections */
1181 ST_DATA Section
*symtab_section
, *strtab_section
;
1182 /* debug sections */
1183 ST_DATA Section
*stab_section
, *stabstr_section
;
1185 #define SYM_POOL_NB (8192 / sizeof(Sym))
1186 ST_DATA Sym
*sym_free_first
;
1187 ST_DATA
void **sym_pools
;
1188 ST_DATA
int nb_sym_pools
;
1190 ST_DATA Sym
*global_stack
;
1191 ST_DATA Sym
*local_stack
;
1192 ST_DATA Sym
*local_label_stack
;
1193 ST_DATA Sym
*global_label_stack
;
1194 ST_DATA Sym
*define_stack
;
1195 ST_DATA CType char_pointer_type
, func_old_type
, int_type
, size_type
;
1196 ST_DATA SValue __vstack
[1+/*to make bcheck happy*/ VSTACK_SIZE
], *vtop
;
1197 #define vstack (__vstack + 1)
1198 ST_DATA
int rsym
, anon_sym
, ind
, loc
, ex_rc
;
1200 ST_DATA
int const_wanted
; /* true if constant wanted */
1201 ST_DATA
int nocode_wanted
; /* true if no code generation wanted for an expression */
1202 ST_DATA
int global_expr
; /* true if compound literals must be allocated globally (used during initializers parsing */
1203 ST_DATA CType func_vt
; /* current function return type (used by return instruction) */
1204 ST_DATA
int func_var
; /* true if current function is variadic */
1205 ST_DATA
int func_vc
;
1206 ST_DATA
int last_line_num
, last_ind
, func_ind
; /* debug last line number and pc */
1207 ST_DATA
char *funcname
;
1208 ST_DATA
int pop_stack
;
1210 ST_INLN
int is_float(int t
);
1211 ST_FUNC
int ieee_finite(double d
);
1212 ST_FUNC
void test_lvalue(void);
1213 ST_FUNC
void swap(int *p
, int *q
);
1214 ST_FUNC
void vpushi(int v
);
1215 ST_FUNC
void vpushs(addr_t v
);
1216 ST_FUNC Sym
*external_global_sym(int v
, CType
*type
, int r
);
1217 ST_FUNC
void vset(CType
*type
, int r
, int v
);
1218 ST_FUNC
void vswap(void);
1219 ST_FUNC
void vpush_global_sym(CType
*type
, int v
);
1220 ST_FUNC
void vrote(SValue
*e
, int n
);
1221 ST_FUNC
void vrott(int n
);
1222 ST_FUNC
void vrotb(int n
);
1223 #ifdef TCC_TARGET_ARM
1224 ST_FUNC
int get_reg_ex(int rc
, int rc2
);
1225 ST_FUNC
void lexpand_nr(void);
1227 ST_FUNC
void vpushv(SValue
*v
);
1228 ST_FUNC
void save_reg(int r
);
1229 ST_FUNC
int get_reg(int rc
);
1230 ST_FUNC
void save_regs(int n
);
1231 ST_FUNC
int gv(int rc
);
1232 ST_FUNC
void gv2(int rc1
, int rc2
);
1233 ST_FUNC
void vpop(void);
1234 ST_FUNC
void gen_op(int op
);
1235 ST_FUNC
int type_size(CType
*type
, int *a
);
1236 ST_FUNC
void mk_pointer(CType
*type
);
1237 ST_FUNC
void vstore(void);
1238 ST_FUNC
void inc(int post
, int c
);
1239 ST_FUNC
void parse_asm_str(CString
*astr
);
1240 ST_FUNC
int lvalue_type(int t
);
1241 ST_FUNC
void indir(void);
1242 ST_FUNC
void unary(void);
1243 ST_FUNC
void expr_prod(void);
1244 ST_FUNC
void expr_sum(void);
1245 ST_FUNC
void gexpr(void);
1246 ST_FUNC
int expr_const(void);
1247 ST_FUNC
void gen_inline_functions(void);
1248 ST_FUNC
void decl(int l
);
1249 ST_FUNC
void vdup(void);
1250 ST_FUNC
void gaddrof(void);
1251 ST_FUNC
int loc_stack(int size
, int is_sub
);
1252 #if defined CONFIG_TCC_BCHECK || defined TCC_TARGET_C67
1253 ST_FUNC Sym
*get_sym_ref(CType
*type
, Section
*sec
, unsigned long offset
, unsigned long size
);
1255 #if defined TCC_TARGET_X86_64 && !defined TCC_TARGET_PE
1256 ST_FUNC
int classify_x86_64_va_arg(CType
*ty
);
1259 /* ------------ tccelf.c ------------ */
1261 #define TCC_OUTPUT_FORMAT_ELF 0 /* default output format: ELF */
1262 #define TCC_OUTPUT_FORMAT_BINARY 1 /* binary image output */
1263 #define TCC_OUTPUT_FORMAT_COFF 2 /* COFF */
1265 #define ARMAG "!<arch>\012" /* For COFF and a.out archives */
1268 unsigned int n_strx
; /* index into string table of name */
1269 unsigned char n_type
; /* type of symbol */
1270 unsigned char n_other
; /* misc info (usually empty) */
1271 unsigned short n_desc
; /* description field */
1272 unsigned int n_value
; /* value of symbol */
1275 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
);
1277 ST_FUNC
int put_elf_str(Section
*s
, const char *sym
);
1278 ST_FUNC
int put_elf_sym(Section
*s
, addr_t value
, unsigned long size
, int info
, int other
, int shndx
, const char *name
);
1279 ST_FUNC
int add_elf_sym(Section
*s
, addr_t value
, unsigned long size
, int info
, int other
, int sh_num
, const char *name
);
1280 ST_FUNC
int find_elf_sym(Section
*s
, const char *name
);
1281 ST_FUNC
void put_elf_reloc(Section
*symtab
, Section
*s
, unsigned long offset
, int type
, int symbol
);
1283 ST_FUNC
void put_stabs(const char *str
, int type
, int other
, int desc
, unsigned long value
);
1284 ST_FUNC
void put_stabs_r(const char *str
, int type
, int other
, int desc
, unsigned long value
, Section
*sec
, int sym_index
);
1285 ST_FUNC
void put_stabn(int type
, int other
, int desc
, int value
);
1286 ST_FUNC
void put_stabd(int type
, int other
, int desc
);
1288 ST_FUNC
void relocate_common_syms(void);
1289 ST_FUNC
void relocate_syms(TCCState
*s1
, int do_resolve
);
1290 ST_FUNC
void relocate_section(TCCState
*s1
, Section
*s
);
1291 ST_FUNC
void relocate_plt(TCCState
*s1
);
1293 ST_FUNC
void tcc_add_linker_symbols(TCCState
*s1
);
1294 ST_FUNC
int tcc_load_object_file(TCCState
*s1
, int fd
, unsigned long file_offset
);
1295 ST_FUNC
int tcc_load_archive(TCCState
*s1
, int fd
);
1296 ST_FUNC
void tcc_add_bcheck(TCCState
*s1
);
1298 ST_FUNC
void build_got_entries(TCCState
*s1
);
1299 ST_FUNC
void tcc_add_runtime(TCCState
*s1
);
1301 ST_FUNC addr_t
get_elf_sym_addr(TCCState
*s
, const char *name
, int err
);
1302 #if defined TCC_IS_NATIVE || defined TCC_TARGET_PE
1303 ST_FUNC
void *tcc_get_symbol_err(TCCState
*s
, const char *name
);
1306 #ifndef TCC_TARGET_PE
1307 ST_FUNC
int tcc_load_dll(TCCState
*s1
, int fd
, const char *filename
, int level
);
1308 ST_FUNC
int tcc_load_ldscript(TCCState
*s1
);
1309 ST_FUNC
uint8_t *parse_comment(uint8_t *p
);
1310 ST_FUNC
void minp(void);
1311 ST_INLN
void inp(void);
1312 ST_FUNC
int handle_eob(void);
1315 /* ------------ xxx-gen.c ------------ */
1317 ST_DATA
const int reg_classes
[NB_REGS
];
1319 ST_FUNC
void gsym_addr(int t
, int a
);
1320 ST_FUNC
void gsym(int t
);
1321 ST_FUNC
void load(int r
, SValue
*sv
);
1322 ST_FUNC
void store(int r
, SValue
*v
);
1323 ST_FUNC
int gfunc_sret(CType
*vt
, int variadic
, CType
*ret
, int *align
);
1324 ST_FUNC
void gfunc_call(int nb_args
);
1325 ST_FUNC
void gfunc_prolog(CType
*func_type
);
1326 ST_FUNC
void gfunc_epilog(void);
1327 ST_FUNC
int gjmp(int t
);
1328 ST_FUNC
void gjmp_addr(int a
);
1329 ST_FUNC
int gtst(int inv
, int t
);
1330 ST_FUNC
void gen_opi(int op
);
1331 ST_FUNC
void gen_opf(int op
);
1332 ST_FUNC
void gen_cvt_ftoi(int t
);
1333 ST_FUNC
void gen_cvt_ftof(int t
);
1334 ST_FUNC
void ggoto(void);
1335 #ifndef TCC_TARGET_C67
1336 ST_FUNC
void o(unsigned int c
);
1338 #ifndef TCC_TARGET_ARM
1339 ST_FUNC
void gen_cvt_itof(int t
);
1341 ST_FUNC
void gen_vla_sp_save(int addr
);
1342 ST_FUNC
void gen_vla_sp_restore(int addr
);
1343 ST_FUNC
void gen_vla_alloc(CType
*type
, int align
);
1345 /* ------------ i386-gen.c ------------ */
1346 #if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
1347 ST_FUNC
void g(int c
);
1348 ST_FUNC
int oad(int c
, int s
);
1349 ST_FUNC
void gen_le16(int c
);
1350 ST_FUNC
void gen_le32(int c
);
1351 ST_FUNC
void gen_addr32(int r
, Sym
*sym
, int c
);
1352 ST_FUNC
void gen_addrpc32(int r
, Sym
*sym
, int c
);
1353 ST_FUNC
void struct_copy(SValue
*d
, SValue
*s
, SValue
*c
);
1354 ST_FUNC
void gen_putz(SValue
*d
, int size
);
1357 #ifdef CONFIG_TCC_BCHECK
1358 ST_FUNC
void gen_bounded_ptr_add(void);
1359 ST_FUNC
void gen_bounded_ptr_deref(void);
1362 /* ------------ x86_64-gen.c ------------ */
1363 #ifdef TCC_TARGET_X86_64
1364 ST_FUNC
void gen_addr64(int r
, Sym
*sym
, int64_t c
);
1365 ST_FUNC
void gen_opl(int op
);
1368 /* ------------ arm-gen.c ------------ */
1369 #ifdef TCC_TARGET_ARM
1371 ST_FUNC
char *default_elfinterp(struct TCCState
*s
);
1373 ST_FUNC
void arm_init(struct TCCState
*s
);
1374 ST_FUNC
uint32_t encbranch(int pos
, int addr
, int fail
);
1375 ST_FUNC
void gen_cvt_itof1(int t
);
1378 /* ------------ c67-gen.c ------------ */
1379 #ifdef TCC_TARGET_C67
1382 /* ------------ tcccoff.c ------------ */
1384 #ifdef TCC_TARGET_COFF
1385 ST_FUNC
int tcc_output_coff(TCCState
*s1
, FILE *f
);
1386 ST_FUNC
int tcc_load_coff(TCCState
* s1
, int fd
);
1389 /* ------------ tccasm.c ------------ */
1390 ST_FUNC
void asm_instr(void);
1391 ST_FUNC
void asm_global_instr(void);
1392 #ifdef CONFIG_TCC_ASM
1393 ST_FUNC
int find_constraint(ASMOperand
*operands
, int nb_operands
, const char *name
, const char **pp
);
1394 ST_FUNC
void asm_expr(TCCState
*s1
, ExprValue
*pe
);
1395 ST_FUNC
int asm_int_expr(TCCState
*s1
);
1396 ST_FUNC
int tcc_assemble(TCCState
*s1
, int do_preprocess
);
1397 /* ------------ i386-asm.c ------------ */
1398 ST_FUNC
void gen_expr32(ExprValue
*pe
);
1399 ST_FUNC
void asm_opcode(TCCState
*s1
, int opcode
);
1400 ST_FUNC
void asm_compute_constraints(ASMOperand
*operands
, int nb_operands
, int nb_outputs
, const uint8_t *clobber_regs
, int *pout_reg
);
1401 ST_FUNC
void subst_asm_operand(CString
*add_str
, SValue
*sv
, int modifier
);
1402 ST_FUNC
void asm_gen_code(ASMOperand
*operands
, int nb_operands
, int nb_outputs
, int is_output
, uint8_t *clobber_regs
, int out_reg
);
1403 ST_FUNC
void asm_clobber(uint8_t *clobber_regs
, const char *str
);
1406 /* ------------ tccpe.c -------------- */
1407 #ifdef TCC_TARGET_PE
1408 ST_FUNC
int pe_load_file(struct TCCState
*s1
, const char *filename
, int fd
);
1409 ST_FUNC
int pe_output_file(TCCState
* s1
, const char *filename
);
1410 ST_FUNC
int pe_putimport(TCCState
*s1
, int dllindex
, const char *name
, addr_t value
);
1411 ST_FUNC SValue
*pe_getimport(SValue
*sv
, SValue
*v2
);
1412 #ifdef TCC_TARGET_X86_64
1413 ST_FUNC
void pe_add_unwind_data(unsigned start
, unsigned end
, unsigned stack
);
1415 /* symbol properties stored in Elf32_Sym->st_other */
1416 # define ST_PE_EXPORT 0x10
1417 # define ST_PE_IMPORT 0x20
1418 # define ST_PE_STDCALL 0x40
1421 /* ------------ tccrun.c ----------------- */
1422 #ifdef TCC_IS_NATIVE
1423 #ifdef CONFIG_TCC_STATIC
1424 #define RTLD_LAZY 0x001
1425 #define RTLD_NOW 0x002
1426 #define RTLD_GLOBAL 0x100
1427 #define RTLD_DEFAULT NULL
1428 /* dummy function for profiling */
1429 ST_FUNC
void *dlopen(const char *filename
, int flag
);
1430 ST_FUNC
void dlclose(void *p
);
1431 ST_FUNC
const char *dlerror(void);
1432 ST_FUNC
void *resolve_sym(TCCState
*s1
, const char *symbol
);
1433 #elif !defined _WIN32
1434 ST_FUNC
void *resolve_sym(TCCState
*s1
, const char *symbol
);
1437 #ifdef CONFIG_TCC_BACKTRACE
1438 ST_DATA
int rt_num_callers
;
1439 ST_DATA
const char **rt_bound_error_msg
;
1440 ST_DATA
void *rt_prog_main
;
1441 ST_FUNC
void tcc_set_num_callers(int n
);
1445 /********************************************************/
1448 #define ST_DATA static
1452 /********************************************************/