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Diffstat (limited to 'tinyc/tcc.h')
-rw-r--r-- | tinyc/tcc.h | 1657 |
1 files changed, 0 insertions, 1657 deletions
diff --git a/tinyc/tcc.h b/tinyc/tcc.h deleted file mode 100644 index da26298fb..000000000 --- a/tinyc/tcc.h +++ /dev/null @@ -1,1657 +0,0 @@ -/* - * TCC - Tiny C Compiler - * - * Copyright (c) 2001-2004 Fabrice Bellard - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#ifndef _TCC_H -#define _TCC_H - -#define _GNU_SOURCE -#include "config.h" - -#include <stdlib.h> -#include <stdio.h> -#include <stdarg.h> -#include <string.h> -#include <errno.h> -#include <math.h> -#include <fcntl.h> -#include <setjmp.h> -#include <time.h> - -#ifndef _WIN32 -# include <unistd.h> -# include <sys/time.h> -# ifndef CONFIG_TCC_STATIC -# include <dlfcn.h> -# endif -/* XXX: need to define this to use them in non ISOC99 context */ -extern float strtof (const char *__nptr, char **__endptr); -extern long double strtold (const char *__nptr, char **__endptr); -#endif - -#ifdef _WIN32 -# include <windows.h> -# include <io.h> /* open, close etc. */ -# include <direct.h> /* getcwd */ -# ifdef __GNUC__ -# include <stdint.h> -# endif -# define inline __inline -# define snprintf _snprintf -# define vsnprintf _vsnprintf -# ifndef __GNUC__ -# define strtold (long double)strtod -# define strtof (float)strtod -# define strtoll _strtoi64 -# define strtoull _strtoui64 -# endif -# ifdef LIBTCC_AS_DLL -# define LIBTCCAPI __declspec(dllexport) -# define PUB_FUNC LIBTCCAPI -# endif -# define inp next_inp /* inp is an intrinsic on msvc/mingw */ -# ifdef _MSC_VER -# pragma warning (disable : 4244) // conversion from 'uint64_t' to 'int', possible loss of data -# pragma warning (disable : 4267) // conversion from 'size_t' to 'int', possible loss of data -# pragma warning (disable : 4996) // The POSIX name for this item is deprecated. Instead, use the ISO C and C++ conformant name -# pragma warning (disable : 4018) // signed/unsigned mismatch -# pragma warning (disable : 4146) // unary minus operator applied to unsigned type, result still unsigned -# define ssize_t intptr_t -# endif -# undef CONFIG_TCC_STATIC -#endif - -#ifndef O_BINARY -# define O_BINARY 0 -#endif - -#ifndef offsetof -#define offsetof(type, field) ((size_t) &((type *)0)->field) -#endif - -#ifndef countof -#define countof(tab) (sizeof(tab) / sizeof((tab)[0])) -#endif - -#ifdef _MSC_VER -# define NORETURN __declspec(noreturn) -# define ALIGNED(x) __declspec(align(x)) -#else -# define NORETURN __attribute__((noreturn)) -# define ALIGNED(x) __attribute__((aligned(x))) -#endif - -#ifdef _WIN32 -# define IS_DIRSEP(c) (c == '/' || c == '\\') -# define IS_ABSPATH(p) (IS_DIRSEP(p[0]) || (p[0] && p[1] == ':' && IS_DIRSEP(p[2]))) -# define PATHCMP stricmp -# define PATHSEP ";" -#else -# define IS_DIRSEP(c) (c == '/') -# define IS_ABSPATH(p) IS_DIRSEP(p[0]) -# define PATHCMP strcmp -# define PATHSEP ":" -#endif - -/* -------------------------------------------- */ - -/* parser debug */ -/* #define PARSE_DEBUG */ -/* preprocessor debug */ -/* #define PP_DEBUG */ -/* include file debug */ -/* #define INC_DEBUG */ -/* memory leak debug */ -/* #define MEM_DEBUG */ -/* assembler debug */ -/* #define ASM_DEBUG */ - -/* target selection */ -/* #define TCC_TARGET_I386 *//* i386 code generator */ -/* #define TCC_TARGET_X86_64 *//* x86-64 code generator */ -/* #define TCC_TARGET_ARM *//* ARMv4 code generator */ -/* #define TCC_TARGET_ARM64 *//* ARMv8 code generator */ -/* #define TCC_TARGET_C67 *//* TMS320C67xx code generator */ - -/* default target is I386 */ -#if !defined(TCC_TARGET_I386) && !defined(TCC_TARGET_ARM) && \ - !defined(TCC_TARGET_ARM64) && !defined(TCC_TARGET_C67) && \ - !defined(TCC_TARGET_X86_64) -# if defined __x86_64__ || defined _AMD64_ -# define TCC_TARGET_X86_64 -# elif defined __arm__ -# define TCC_TARGET_ARM -# define TCC_ARM_EABI -# define TCC_ARM_HARDFLOAT -# elif defined __aarch64__ -# define TCC_TARGET_ARM64 -# else -# define TCC_TARGET_I386 -# endif -# ifdef _WIN32 -# define TCC_TARGET_PE 1 -# endif -#endif - -/* only native compiler supports -run */ -#if defined _WIN32 == defined TCC_TARGET_PE -# if (defined __i386__ || defined _X86_) && defined TCC_TARGET_I386 -# define TCC_IS_NATIVE -# elif (defined __x86_64__ || defined _AMD64_) && defined TCC_TARGET_X86_64 -# define TCC_IS_NATIVE -# elif defined __arm__ && defined TCC_TARGET_ARM -# define TCC_IS_NATIVE -# elif defined __aarch64__ && defined TCC_TARGET_ARM64 -# define TCC_IS_NATIVE -# endif -#endif - -#if defined TCC_IS_NATIVE && !defined CONFIG_TCCBOOT -# define CONFIG_TCC_BACKTRACE -# if (defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64) \ - && !defined TCC_UCLIBC && !defined TCC_MUSL -# define CONFIG_TCC_BCHECK /* enable bound checking code */ -# endif -#endif - -/* ------------ path configuration ------------ */ - -#ifndef CONFIG_SYSROOT -# define CONFIG_SYSROOT "" -#endif -#ifndef CONFIG_TCCDIR -# define CONFIG_TCCDIR "/usr/local/lib/tcc" -#endif -#ifndef CONFIG_LDDIR -# define CONFIG_LDDIR "lib" -#endif -#ifdef CONFIG_TRIPLET -# define USE_TRIPLET(s) s "/" CONFIG_TRIPLET -# define ALSO_TRIPLET(s) USE_TRIPLET(s) ":" s -#else -# define USE_TRIPLET(s) s -# define ALSO_TRIPLET(s) s -#endif - -/* path to find crt1.o, crti.o and crtn.o */ -#ifndef CONFIG_TCC_CRTPREFIX -# define CONFIG_TCC_CRTPREFIX USE_TRIPLET(CONFIG_SYSROOT "/usr/" CONFIG_LDDIR) -#endif - -/* Below: {B} is substituted by CONFIG_TCCDIR (rsp. -B option) */ - -/* system include paths */ -#ifndef CONFIG_TCC_SYSINCLUDEPATHS -# ifdef TCC_TARGET_PE -# define CONFIG_TCC_SYSINCLUDEPATHS "{B}/include"PATHSEP"{B}/include/winapi" -# else -# define CONFIG_TCC_SYSINCLUDEPATHS \ - "{B}/include" \ - ":" ALSO_TRIPLET(CONFIG_SYSROOT "/usr/local/include") \ - ":" ALSO_TRIPLET(CONFIG_SYSROOT "/usr/include") -# endif -#endif - -/* library search paths */ -#ifndef CONFIG_TCC_LIBPATHS -# ifdef TCC_TARGET_PE -# define CONFIG_TCC_LIBPATHS "{B}/lib" -# else -# define CONFIG_TCC_LIBPATHS \ - ALSO_TRIPLET(CONFIG_SYSROOT "/usr/" CONFIG_LDDIR) \ - ":" ALSO_TRIPLET(CONFIG_SYSROOT "/" CONFIG_LDDIR) \ - ":" ALSO_TRIPLET(CONFIG_SYSROOT "/usr/local/" CONFIG_LDDIR) -# endif -#endif - -/* name of ELF interpreter */ -#ifndef CONFIG_TCC_ELFINTERP -# if defined __FreeBSD__ -# define CONFIG_TCC_ELFINTERP "/libexec/ld-elf.so.1" -# elif defined __FreeBSD_kernel__ -# if defined(TCC_TARGET_X86_64) -# define CONFIG_TCC_ELFINTERP "/lib/ld-kfreebsd-x86-64.so.1" -# else -# define CONFIG_TCC_ELFINTERP "/lib/ld.so.1" -# endif -# elif defined __DragonFly__ -# define CONFIG_TCC_ELFINTERP "/usr/libexec/ld-elf.so.2" -# elif defined __NetBSD__ -# define CONFIG_TCC_ELFINTERP "/usr/libexec/ld.elf_so" -# elif defined __GNU__ -# define CONFIG_TCC_ELFINTERP "/lib/ld.so" -# elif defined(TCC_TARGET_PE) -# define CONFIG_TCC_ELFINTERP "-" -# elif defined(TCC_UCLIBC) -# define CONFIG_TCC_ELFINTERP "/lib/ld-uClibc.so.0" /* is there a uClibc for x86_64 ? */ -# elif defined TCC_TARGET_ARM64 -# if defined(TCC_MUSL) -# define CONFIG_TCC_ELFINTERP "/lib/ld-musl-aarch64.so.1" -# else -# define CONFIG_TCC_ELFINTERP "/lib/ld-linux-aarch64.so.1" -# endif -# elif defined(TCC_TARGET_X86_64) -# if defined(TCC_MUSL) -# define CONFIG_TCC_ELFINTERP "/lib/ld-musl-x86_64.so.1" -# else -# define CONFIG_TCC_ELFINTERP "/lib64/ld-linux-x86-64.so.2" -# endif -# elif !defined(TCC_ARM_EABI) -# if defined(TCC_MUSL) -# define CONFIG_TCC_ELFINTERP "/lib/ld-musl-arm.so.1" -# else -# define CONFIG_TCC_ELFINTERP "/lib/ld-linux.so.2" -# endif -# endif -#endif - -/* var elf_interp dans *-gen.c */ -#ifdef CONFIG_TCC_ELFINTERP -# define DEFAULT_ELFINTERP(s) CONFIG_TCC_ELFINTERP -#else -# define DEFAULT_ELFINTERP(s) default_elfinterp(s) -#endif - -/* (target specific) libtcc1.a */ -#ifndef TCC_LIBTCC1 -# define TCC_LIBTCC1 "libtcc1.a" -#endif - -/* library to use with CONFIG_USE_LIBGCC instead of libtcc1.a */ -#if defined CONFIG_USE_LIBGCC && !defined TCC_LIBGCC -#define TCC_LIBGCC USE_TRIPLET(CONFIG_SYSROOT "/" CONFIG_LDDIR) "/libgcc_s.so.1" -#endif - -/* -------------------------------------------- */ - -#include "libtcc.h" -#include "elf.h" -#include "stab.h" - -/* -------------------------------------------- */ - -#ifndef PUB_FUNC /* functions used by tcc.c but not in libtcc.h */ -# define PUB_FUNC -#endif - -#ifndef ONE_SOURCE -# define ONE_SOURCE 1 -#endif - -#if ONE_SOURCE -#define ST_INLN static inline -#define ST_FUNC static -#define ST_DATA static -#else -#define ST_INLN -#define ST_FUNC -#define ST_DATA extern -#endif - -#ifdef TCC_PROFILE /* profile all functions */ -# define static -#endif - -/* -------------------------------------------- */ -/* include the target specific definitions */ - -#define TARGET_DEFS_ONLY -#ifdef TCC_TARGET_I386 -# include "i386-gen.c" -# include "i386-link.c" -#endif -#ifdef TCC_TARGET_X86_64 -# include "x86_64-gen.c" -# include "x86_64-link.c" -#endif -#ifdef TCC_TARGET_ARM -# include "arm-gen.c" -# include "arm-link.c" -# include "arm-asm.c" -#endif -#ifdef TCC_TARGET_ARM64 -# include "arm64-gen.c" -# include "arm64-link.c" -#endif -#ifdef TCC_TARGET_C67 -# define TCC_TARGET_COFF -# include "coff.h" -# include "c67-gen.c" -# include "c67-link.c" -#endif -#undef TARGET_DEFS_ONLY - -/* -------------------------------------------- */ - -#if PTR_SIZE == 8 -# define ELFCLASSW ELFCLASS64 -# define ElfW(type) Elf##64##_##type -# define ELFW(type) ELF##64##_##type -# define ElfW_Rel ElfW(Rela) -# define SHT_RELX SHT_RELA -# define REL_SECTION_FMT ".rela%s" -#else -# define ELFCLASSW ELFCLASS32 -# define ElfW(type) Elf##32##_##type -# define ELFW(type) ELF##32##_##type -# define ElfW_Rel ElfW(Rel) -# define SHT_RELX SHT_REL -# define REL_SECTION_FMT ".rel%s" -#endif -/* target address type */ -#define addr_t ElfW(Addr) - -#if PTR_SIZE == 8 && !defined TCC_TARGET_PE -# define LONG_SIZE 8 -#else -# define LONG_SIZE 4 -#endif - -/* -------------------------------------------- */ - -#define INCLUDE_STACK_SIZE 32 -#define IFDEF_STACK_SIZE 64 -#define VSTACK_SIZE 256 -#define STRING_MAX_SIZE 1024 -#define TOKSTR_MAX_SIZE 256 -#define PACK_STACK_SIZE 8 - -#define TOK_HASH_SIZE 16384 /* must be a power of two */ -#define TOK_ALLOC_INCR 512 /* must be a power of two */ -#define TOK_MAX_SIZE 4 /* token max size in int unit when stored in string */ - -/* token symbol management */ -typedef struct TokenSym { - struct TokenSym *hash_next; - struct Sym *sym_define; /* direct pointer to define */ - struct Sym *sym_label; /* direct pointer to label */ - struct Sym *sym_struct; /* direct pointer to structure */ - struct Sym *sym_identifier; /* direct pointer to identifier */ - int tok; /* token number */ - int len; - char str[1]; -} TokenSym; - -#ifdef TCC_TARGET_PE -typedef unsigned short nwchar_t; -#else -typedef int nwchar_t; -#endif - -typedef struct CString { - int size; /* size in bytes */ - void *data; /* either 'char *' or 'nwchar_t *' */ - int size_allocated; -} CString; - -/* type definition */ -typedef struct CType { - int t; - struct Sym *ref; -} CType; - -/* constant value */ -typedef union CValue { - long double ld; - double d; - float f; - uint64_t i; - struct { - int size; - const void *data; - } str; - int tab[LDOUBLE_SIZE/4]; -} CValue; - -/* value on stack */ -typedef struct SValue { - CType type; /* type */ - unsigned short r; /* register + flags */ - unsigned short r2; /* second register, used for 'long long' - type. If not used, set to VT_CONST */ - CValue c; /* constant, if VT_CONST */ - struct Sym *sym; /* symbol, if (VT_SYM | VT_CONST), or if - result of unary() for an identifier. */ -} SValue; - -/* symbol attributes */ -struct SymAttr { - unsigned short - aligned : 5, /* alignment as log2+1 (0 == unspecified) */ - packed : 1, - weak : 1, - visibility : 2, - dllexport : 1, - dllimport : 1, - unused : 5; -}; - -/* function attributes or temporary attributes for parsing */ -struct FuncAttr { - unsigned - func_call : 3, /* calling convention (0..5), see below */ - func_type : 2, /* FUNC_OLD/NEW/ELLIPSIS */ - func_body : 1, /* body was defined */ - func_args : 8; /* PE __stdcall args */ -}; - -/* GNUC attribute definition */ -typedef struct AttributeDef { - struct SymAttr a; - struct FuncAttr f; - struct Section *section; - int alias_target; /* token */ - int asm_label; /* associated asm label */ - char attr_mode; /* __attribute__((__mode__(...))) */ -} AttributeDef; - -/* symbol management */ -typedef struct Sym { - int v; /* symbol token */ - unsigned short r; /* associated register or VT_CONST/VT_LOCAL and LVAL type */ - struct SymAttr a; /* symbol attributes */ - union { - struct { - int c; /* associated number or Elf symbol index */ - union { - int sym_scope; /* scope level for locals */ - int jnext; /* next jump label */ - struct FuncAttr f; /* function attributes */ - int auxtype; /* bitfield access type */ - }; - }; - long long enum_val; /* enum constant if IS_ENUM_VAL */ - int *d; /* define token stream */ - }; - CType type; /* associated type */ - union { - struct Sym *next; /* next related symbol (for fields and anoms) */ - int asm_label; /* associated asm label */ - }; - struct Sym *prev; /* prev symbol in stack */ - struct Sym *prev_tok; /* previous symbol for this token */ -} Sym; - -/* section definition */ -/* XXX: use directly ELF structure for parameters ? */ -/* special flag to indicate that the section should not be linked to - the other ones */ -#define SHF_PRIVATE 0x80000000 - -/* special flag, too */ -#define SECTION_ABS ((void *)1) - -typedef struct Section { - unsigned long data_offset; /* current data offset */ - unsigned char *data; /* section data */ - unsigned long data_allocated; /* used for realloc() handling */ - int sh_name; /* elf section name (only used during output) */ - int sh_num; /* elf section number */ - int sh_type; /* elf section type */ - int sh_flags; /* elf section flags */ - int sh_info; /* elf section info */ - int sh_addralign; /* elf section alignment */ - int sh_entsize; /* elf entry size */ - unsigned long sh_size; /* section size (only used during output) */ - addr_t sh_addr; /* address at which the section is relocated */ - unsigned long sh_offset; /* file offset */ - int nb_hashed_syms; /* used to resize the hash table */ - struct Section *link; /* link to another section */ - struct Section *reloc; /* corresponding section for relocation, if any */ - struct Section *hash; /* hash table for symbols */ - struct Section *prev; /* previous section on section stack */ - char name[1]; /* section name */ -} Section; - -typedef struct DLLReference { - int level; - void *handle; - char name[1]; -} DLLReference; - -/* -------------------------------------------------- */ - -#define SYM_STRUCT 0x40000000 /* struct/union/enum symbol space */ -#define SYM_FIELD 0x20000000 /* struct/union field symbol space */ -#define SYM_FIRST_ANOM 0x10000000 /* first anonymous sym */ - -/* stored in 'Sym->f.func_type' field */ -#define FUNC_NEW 1 /* ansi function prototype */ -#define FUNC_OLD 2 /* old function prototype */ -#define FUNC_ELLIPSIS 3 /* ansi function prototype with ... */ - -/* stored in 'Sym->f.func_call' field */ -#define FUNC_CDECL 0 /* standard c call */ -#define FUNC_STDCALL 1 /* pascal c call */ -#define FUNC_FASTCALL1 2 /* first param in %eax */ -#define FUNC_FASTCALL2 3 /* first parameters in %eax, %edx */ -#define FUNC_FASTCALL3 4 /* first parameter in %eax, %edx, %ecx */ -#define FUNC_FASTCALLW 5 /* first parameter in %ecx, %edx */ - -/* field 'Sym.t' for macros */ -#define MACRO_OBJ 0 /* object like macro */ -#define MACRO_FUNC 1 /* function like macro */ - -/* field 'Sym.r' for C labels */ -#define LABEL_DEFINED 0 /* label is defined */ -#define LABEL_FORWARD 1 /* label is forward defined */ -#define LABEL_DECLARED 2 /* label is declared but never used */ - -/* type_decl() types */ -#define TYPE_ABSTRACT 1 /* type without variable */ -#define TYPE_DIRECT 2 /* type with variable */ - -#define IO_BUF_SIZE 8192 - -typedef struct BufferedFile { - uint8_t *buf_ptr; - uint8_t *buf_end; - int fd; - struct BufferedFile *prev; - int line_num; /* current line number - here to simplify code */ - int line_ref; /* tcc -E: last printed line */ - int ifndef_macro; /* #ifndef macro / #endif search */ - int ifndef_macro_saved; /* saved ifndef_macro */ - int *ifdef_stack_ptr; /* ifdef_stack value at the start of the file */ - int include_next_index; /* next search path */ - char filename[1024]; /* filename */ - char *true_filename; /* filename not modified by # line directive */ - unsigned char unget[4]; - unsigned char buffer[1]; /* extra size for CH_EOB char */ -} BufferedFile; - -#define CH_EOB '\\' /* end of buffer or '\0' char in file */ -#define CH_EOF (-1) /* end of file */ - -/* used to record tokens */ -typedef struct TokenString { - int *str; - int len; - int lastlen; - int allocated_len; - int last_line_num; - int save_line_num; - /* used to chain token-strings with begin/end_macro() */ - struct TokenString *prev; - const int *prev_ptr; - char alloc; -} TokenString; - -/* inline functions */ -typedef struct InlineFunc { - TokenString *func_str; - Sym *sym; - char filename[1]; -} InlineFunc; - -/* include file cache, used to find files faster and also to eliminate - inclusion if the include file is protected by #ifndef ... #endif */ -typedef struct CachedInclude { - int ifndef_macro; - int once; - int hash_next; /* -1 if none */ - char filename[1]; /* path specified in #include */ -} CachedInclude; - -#define CACHED_INCLUDES_HASH_SIZE 32 - -#ifdef CONFIG_TCC_ASM -typedef struct ExprValue { - uint64_t v; - Sym *sym; - int pcrel; -} ExprValue; - -#define MAX_ASM_OPERANDS 30 -typedef struct ASMOperand { - int id; /* GCC 3 optional identifier (0 if number only supported */ - char *constraint; - char asm_str[16]; /* computed asm string for operand */ - SValue *vt; /* C value of the expression */ - int ref_index; /* if >= 0, gives reference to a output constraint */ - int input_index; /* if >= 0, gives reference to an input constraint */ - int priority; /* priority, used to assign registers */ - int reg; /* if >= 0, register number used for this operand */ - int is_llong; /* true if double register value */ - int is_memory; /* true if memory operand */ - int is_rw; /* for '+' modifier */ -} ASMOperand; -#endif - -/* extra symbol attributes (not in symbol table) */ -struct sym_attr { - unsigned got_offset; - unsigned plt_offset; - int plt_sym; - int dyn_index; -#ifdef TCC_TARGET_ARM - unsigned char plt_thumb_stub:1; -#endif -}; - -struct TCCState { - - int verbose; /* if true, display some information during compilation */ - int nostdinc; /* if true, no standard headers are added */ - int nostdlib; /* if true, no standard libraries are added */ - int nocommon; /* if true, do not use common symbols for .bss data */ - int static_link; /* if true, static linking is performed */ - int rdynamic; /* if true, all symbols are exported */ - int symbolic; /* if true, resolve symbols in the current module first */ - int alacarte_link; /* if true, only link in referenced objects from archive */ - - char *tcc_lib_path; /* CONFIG_TCCDIR or -B option */ - char *soname; /* as specified on the command line (-soname) */ - char *rpath; /* as specified on the command line (-Wl,-rpath=) */ - int enable_new_dtags; /* ditto, (-Wl,--enable-new-dtags) */ - - /* output type, see TCC_OUTPUT_XXX */ - int output_type; - /* output format, see TCC_OUTPUT_FORMAT_xxx */ - int output_format; - - /* C language options */ - int char_is_unsigned; - int leading_underscore; - int ms_extensions; /* allow nested named struct w/o identifier behave like unnamed */ - int dollars_in_identifiers; /* allows '$' char in identifiers */ - int ms_bitfields; /* if true, emulate MS algorithm for aligning bitfields */ - - /* warning switches */ - int warn_write_strings; - int warn_unsupported; - int warn_error; - int warn_none; - int warn_implicit_function_declaration; - int warn_gcc_compat; - - /* compile with debug symbol (and use them if error during execution) */ - int do_debug; -#ifdef CONFIG_TCC_BCHECK - /* compile with built-in memory and bounds checker */ - int do_bounds_check; -#endif -#ifdef TCC_TARGET_ARM - enum float_abi float_abi; /* float ABI of the generated code*/ -#endif - int run_test; /* nth test to run with -dt -run */ - - addr_t text_addr; /* address of text section */ - int has_text_addr; - - unsigned section_align; /* section alignment */ - - char *init_symbol; /* symbols to call at load-time (not used currently) */ - char *fini_symbol; /* symbols to call at unload-time (not used currently) */ - -#ifdef TCC_TARGET_I386 - int seg_size; /* 32. Can be 16 with i386 assembler (.code16) */ -#endif -#ifdef TCC_TARGET_X86_64 - int nosse; /* For -mno-sse support. */ -#endif - - /* array of all loaded dlls (including those referenced by loaded dlls) */ - DLLReference **loaded_dlls; - int nb_loaded_dlls; - - /* include paths */ - char **include_paths; - int nb_include_paths; - - char **sysinclude_paths; - int nb_sysinclude_paths; - - /* library paths */ - char **library_paths; - int nb_library_paths; - - /* crt?.o object path */ - char **crt_paths; - int nb_crt_paths; - - /* -include files */ - char **cmd_include_files; - int nb_cmd_include_files; - - /* error handling */ - void *error_opaque; - void (*error_func)(void *opaque, const char *msg); - int error_set_jmp_enabled; - jmp_buf error_jmp_buf; - int nb_errors; - - /* output file for preprocessing (-E) */ - FILE *ppfp; - enum { - LINE_MACRO_OUTPUT_FORMAT_GCC, - LINE_MACRO_OUTPUT_FORMAT_NONE, - LINE_MACRO_OUTPUT_FORMAT_STD, - LINE_MACRO_OUTPUT_FORMAT_P10 = 11 - } Pflag; /* -P switch */ - char dflag; /* -dX value */ - - /* for -MD/-MF: collected dependencies for this compilation */ - char **target_deps; - int nb_target_deps; - - /* compilation */ - BufferedFile *include_stack[INCLUDE_STACK_SIZE]; - BufferedFile **include_stack_ptr; - - int ifdef_stack[IFDEF_STACK_SIZE]; - int *ifdef_stack_ptr; - - /* included files enclosed with #ifndef MACRO */ - int cached_includes_hash[CACHED_INCLUDES_HASH_SIZE]; - CachedInclude **cached_includes; - int nb_cached_includes; - - /* #pragma pack stack */ - int pack_stack[PACK_STACK_SIZE]; - int *pack_stack_ptr; - char **pragma_libs; - int nb_pragma_libs; - - /* inline functions are stored as token lists and compiled last - only if referenced */ - struct InlineFunc **inline_fns; - int nb_inline_fns; - - /* sections */ - Section **sections; - int nb_sections; /* number of sections, including first dummy section */ - - Section **priv_sections; - int nb_priv_sections; /* number of private sections */ - - /* got & plt handling */ - Section *got; - Section *plt; - - /* temporary dynamic symbol sections (for dll loading) */ - Section *dynsymtab_section; - /* exported dynamic symbol section */ - Section *dynsym; - /* copy of the global symtab_section variable */ - Section *symtab; - /* extra attributes (eg. GOT/PLT value) for symtab symbols */ - struct sym_attr *sym_attrs; - int nb_sym_attrs; - /* tiny assembler state */ - Sym *asm_labels; - -#ifdef TCC_TARGET_PE - /* PE info */ - int pe_subsystem; - unsigned pe_characteristics; - unsigned pe_file_align; - unsigned pe_stack_size; -# ifdef TCC_TARGET_X86_64 - Section *uw_pdata; - int uw_sym; - unsigned uw_offs; -# endif -#endif - -#ifdef TCC_IS_NATIVE - const char *runtime_main; - void **runtime_mem; - int nb_runtime_mem; -#endif - - /* used by main and tcc_parse_args only */ - struct filespec **files; /* files seen on command line */ - int nb_files; /* number thereof */ - int nb_libraries; /* number of libs thereof */ - int filetype; - char *outfile; /* output filename */ - int option_r; /* option -r */ - int do_bench; /* option -bench */ - int gen_deps; /* option -MD */ - char *deps_outfile; /* option -MF */ - int option_pthread; /* -pthread option */ - int argc; - char **argv; -}; - -struct filespec { - char type; - char alacarte; - char name[1]; -}; - -/* The current value can be: */ -#define VT_VALMASK 0x003f /* mask for value location, register or: */ -#define VT_CONST 0x0030 /* constant in vc (must be first non register value) */ -#define VT_LLOCAL 0x0031 /* lvalue, offset on stack */ -#define VT_LOCAL 0x0032 /* offset on stack */ -#define VT_CMP 0x0033 /* the value is stored in processor flags (in vc) */ -#define VT_JMP 0x0034 /* value is the consequence of jmp true (even) */ -#define VT_JMPI 0x0035 /* value is the consequence of jmp false (odd) */ -#define VT_LVAL 0x0100 /* var is an lvalue */ -#define VT_SYM 0x0200 /* a symbol value is added */ -#define VT_MUSTCAST 0x0400 /* value must be casted to be correct (used for - char/short stored in integer registers) */ -#define VT_MUSTBOUND 0x0800 /* bound checking must be done before - dereferencing value */ -#define VT_BOUNDED 0x8000 /* value is bounded. The address of the - bounding function call point is in vc */ -#define VT_LVAL_BYTE 0x1000 /* lvalue is a byte */ -#define VT_LVAL_SHORT 0x2000 /* lvalue is a short */ -#define VT_LVAL_UNSIGNED 0x4000 /* lvalue is unsigned */ -#define VT_LVAL_TYPE (VT_LVAL_BYTE | VT_LVAL_SHORT | VT_LVAL_UNSIGNED) - -/* types */ -#define VT_BTYPE 0x000f /* mask for basic type */ -#define VT_VOID 0 /* void type */ -#define VT_BYTE 1 /* signed byte type */ -#define VT_SHORT 2 /* short type */ -#define VT_INT 3 /* integer type */ -#define VT_LLONG 4 /* 64 bit integer */ -#define VT_PTR 5 /* pointer */ -#define VT_FUNC 6 /* function type */ -#define VT_STRUCT 7 /* struct/union definition */ -#define VT_FLOAT 8 /* IEEE float */ -#define VT_DOUBLE 9 /* IEEE double */ -#define VT_LDOUBLE 10 /* IEEE long double */ -#define VT_BOOL 11 /* ISOC99 boolean type */ -#define VT_QLONG 13 /* 128-bit integer. Only used for x86-64 ABI */ -#define VT_QFLOAT 14 /* 128-bit float. Only used for x86-64 ABI */ - -#define VT_UNSIGNED 0x0010 /* unsigned type */ -#define VT_DEFSIGN 0x0020 /* explicitly signed or unsigned */ -#define VT_ARRAY 0x0040 /* array type (also has VT_PTR) */ -#define VT_BITFIELD 0x0080 /* bitfield modifier */ -#define VT_CONSTANT 0x0100 /* const modifier */ -#define VT_VOLATILE 0x0200 /* volatile modifier */ -#define VT_VLA 0x0400 /* VLA type (also has VT_PTR and VT_ARRAY) */ -#define VT_LONG 0x0800 /* long type (also has VT_INT rsp. VT_LLONG) */ - -/* storage */ -#define VT_EXTERN 0x00001000 /* extern definition */ -#define VT_STATIC 0x00002000 /* static variable */ -#define VT_TYPEDEF 0x00004000 /* typedef definition */ -#define VT_INLINE 0x00008000 /* inline definition */ -/* currently unused: 0x000[1248]0000 */ - -#define VT_STRUCT_SHIFT 20 /* shift for bitfield shift values (32 - 2*6) */ -#define VT_STRUCT_MASK (((1 << (6+6)) - 1) << VT_STRUCT_SHIFT | VT_BITFIELD) -#define BIT_POS(t) (((t) >> VT_STRUCT_SHIFT) & 0x3f) -#define BIT_SIZE(t) (((t) >> (VT_STRUCT_SHIFT + 6)) & 0x3f) - -#define VT_UNION (1 << VT_STRUCT_SHIFT | VT_STRUCT) -#define VT_ENUM (2 << VT_STRUCT_SHIFT) /* integral type is an enum really */ -#define VT_ENUM_VAL (3 << VT_STRUCT_SHIFT) /* integral type is an enum constant really */ - -#define IS_ENUM(t) ((t & VT_STRUCT_MASK) == VT_ENUM) -#define IS_ENUM_VAL(t) ((t & VT_STRUCT_MASK) == VT_ENUM_VAL) -#define IS_UNION(t) ((t & (VT_STRUCT_MASK|VT_BTYPE)) == VT_UNION) - -/* type mask (except storage) */ -#define VT_STORAGE (VT_EXTERN | VT_STATIC | VT_TYPEDEF | VT_INLINE) -#define VT_TYPE (~(VT_STORAGE|VT_STRUCT_MASK)) - -/* token values */ - -/* warning: the following compare tokens depend on i386 asm code */ -#define TOK_ULT 0x92 -#define TOK_UGE 0x93 -#define TOK_EQ 0x94 -#define TOK_NE 0x95 -#define TOK_ULE 0x96 -#define TOK_UGT 0x97 -#define TOK_Nset 0x98 -#define TOK_Nclear 0x99 -#define TOK_LT 0x9c -#define TOK_GE 0x9d -#define TOK_LE 0x9e -#define TOK_GT 0x9f - -#define TOK_LAND 0xa0 -#define TOK_LOR 0xa1 -#define TOK_DEC 0xa2 -#define TOK_MID 0xa3 /* inc/dec, to void constant */ -#define TOK_INC 0xa4 -#define TOK_UDIV 0xb0 /* unsigned division */ -#define TOK_UMOD 0xb1 /* unsigned modulo */ -#define TOK_PDIV 0xb2 /* fast division with undefined rounding for pointers */ - -/* tokens that carry values (in additional token string space / tokc) --> */ -#define TOK_CCHAR 0xb3 /* char constant in tokc */ -#define TOK_LCHAR 0xb4 -#define TOK_CINT 0xb5 /* number in tokc */ -#define TOK_CUINT 0xb6 /* unsigned int constant */ -#define TOK_CLLONG 0xb7 /* long long constant */ -#define TOK_CULLONG 0xb8 /* unsigned long long constant */ -#define TOK_STR 0xb9 /* pointer to string in tokc */ -#define TOK_LSTR 0xba -#define TOK_CFLOAT 0xbb /* float constant */ -#define TOK_CDOUBLE 0xbc /* double constant */ -#define TOK_CLDOUBLE 0xbd /* long double constant */ -#define TOK_PPNUM 0xbe /* preprocessor number */ -#define TOK_PPSTR 0xbf /* preprocessor string */ -#define TOK_LINENUM 0xc0 /* line number info */ -#define TOK_TWODOTS 0xa8 /* C++ token ? */ -/* <-- */ - -#define TOK_UMULL 0xc2 /* unsigned 32x32 -> 64 mul */ -#define TOK_ADDC1 0xc3 /* add with carry generation */ -#define TOK_ADDC2 0xc4 /* add with carry use */ -#define TOK_SUBC1 0xc5 /* add with carry generation */ -#define TOK_SUBC2 0xc6 /* add with carry use */ -#define TOK_ARROW 0xc7 -#define TOK_DOTS 0xc8 /* three dots */ -#define TOK_SHR 0xc9 /* unsigned shift right */ -#define TOK_TWOSHARPS 0xca /* ## preprocessing token */ -#define TOK_PLCHLDR 0xcb /* placeholder token as defined in C99 */ -#define TOK_NOSUBST 0xcc /* means following token has already been pp'd */ -#define TOK_PPJOIN 0xcd /* A '##' in the right position to mean pasting */ -#define TOK_CLONG 0xce /* long constant */ -#define TOK_CULONG 0xcf /* unsigned long constant */ - -#define TOK_SHL 0x01 /* shift left */ -#define TOK_SAR 0x02 /* signed shift right */ - -/* assignment operators : normal operator or 0x80 */ -#define TOK_A_MOD 0xa5 -#define TOK_A_AND 0xa6 -#define TOK_A_MUL 0xaa -#define TOK_A_ADD 0xab -#define TOK_A_SUB 0xad -#define TOK_A_DIV 0xaf -#define TOK_A_XOR 0xde -#define TOK_A_OR 0xfc -#define TOK_A_SHL 0x81 -#define TOK_A_SAR 0x82 - -#define TOK_EOF (-1) /* end of file */ -#define TOK_LINEFEED 10 /* line feed */ - -/* all identifiers and strings have token above that */ -#define TOK_IDENT 256 - -#define DEF_ASM(x) DEF(TOK_ASM_ ## x, #x) -#define TOK_ASM_int TOK_INT -#define DEF_ASMDIR(x) DEF(TOK_ASMDIR_ ## x, "." #x) -#define TOK_ASMDIR_FIRST TOK_ASMDIR_byte -#define TOK_ASMDIR_LAST TOK_ASMDIR_section - -#if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64 -/* only used for i386 asm opcodes definitions */ -#define DEF_BWL(x) \ - DEF(TOK_ASM_ ## x ## b, #x "b") \ - DEF(TOK_ASM_ ## x ## w, #x "w") \ - DEF(TOK_ASM_ ## x ## l, #x "l") \ - DEF(TOK_ASM_ ## x, #x) -#define DEF_WL(x) \ - DEF(TOK_ASM_ ## x ## w, #x "w") \ - DEF(TOK_ASM_ ## x ## l, #x "l") \ - DEF(TOK_ASM_ ## x, #x) -#ifdef TCC_TARGET_X86_64 -# define DEF_BWLQ(x) \ - DEF(TOK_ASM_ ## x ## b, #x "b") \ - DEF(TOK_ASM_ ## x ## w, #x "w") \ - DEF(TOK_ASM_ ## x ## l, #x "l") \ - DEF(TOK_ASM_ ## x ## q, #x "q") \ - DEF(TOK_ASM_ ## x, #x) -# define DEF_WLQ(x) \ - DEF(TOK_ASM_ ## x ## w, #x "w") \ - DEF(TOK_ASM_ ## x ## l, #x "l") \ - DEF(TOK_ASM_ ## x ## q, #x "q") \ - DEF(TOK_ASM_ ## x, #x) -# define DEF_BWLX DEF_BWLQ -# define DEF_WLX DEF_WLQ -/* number of sizes + 1 */ -# define NBWLX 5 -#else -# define DEF_BWLX DEF_BWL -# define DEF_WLX DEF_WL -/* number of sizes + 1 */ -# define NBWLX 4 -#endif - -#define DEF_FP1(x) \ - DEF(TOK_ASM_ ## f ## x ## s, "f" #x "s") \ - DEF(TOK_ASM_ ## fi ## x ## l, "fi" #x "l") \ - DEF(TOK_ASM_ ## f ## x ## l, "f" #x "l") \ - DEF(TOK_ASM_ ## fi ## x ## s, "fi" #x "s") - -#define DEF_FP(x) \ - DEF(TOK_ASM_ ## f ## x, "f" #x ) \ - DEF(TOK_ASM_ ## f ## x ## p, "f" #x "p") \ - DEF_FP1(x) - -#define DEF_ASMTEST(x,suffix) \ - DEF_ASM(x ## o ## suffix) \ - DEF_ASM(x ## no ## suffix) \ - DEF_ASM(x ## b ## suffix) \ - DEF_ASM(x ## c ## suffix) \ - DEF_ASM(x ## nae ## suffix) \ - DEF_ASM(x ## nb ## suffix) \ - DEF_ASM(x ## nc ## suffix) \ - DEF_ASM(x ## ae ## suffix) \ - DEF_ASM(x ## e ## suffix) \ - DEF_ASM(x ## z ## suffix) \ - DEF_ASM(x ## ne ## suffix) \ - DEF_ASM(x ## nz ## suffix) \ - DEF_ASM(x ## be ## suffix) \ - DEF_ASM(x ## na ## suffix) \ - DEF_ASM(x ## nbe ## suffix) \ - DEF_ASM(x ## a ## suffix) \ - DEF_ASM(x ## s ## suffix) \ - DEF_ASM(x ## ns ## suffix) \ - DEF_ASM(x ## p ## suffix) \ - DEF_ASM(x ## pe ## suffix) \ - DEF_ASM(x ## np ## suffix) \ - DEF_ASM(x ## po ## suffix) \ - DEF_ASM(x ## l ## suffix) \ - DEF_ASM(x ## nge ## suffix) \ - DEF_ASM(x ## nl ## suffix) \ - DEF_ASM(x ## ge ## suffix) \ - DEF_ASM(x ## le ## suffix) \ - DEF_ASM(x ## ng ## suffix) \ - DEF_ASM(x ## nle ## suffix) \ - DEF_ASM(x ## g ## suffix) - -#endif /* defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64 */ - -enum tcc_token { - TOK_LAST = TOK_IDENT - 1 -#define DEF(id, str) ,id -#include "tcctok.h" -#undef DEF -}; - -/* keywords: tok >= TOK_IDENT && tok < TOK_UIDENT */ -#define TOK_UIDENT TOK_DEFINE - -/* ------------ libtcc.c ------------ */ - -/* use GNU C extensions */ -ST_DATA int gnu_ext; -/* use Tiny C extensions */ -ST_DATA int tcc_ext; -/* XXX: get rid of this ASAP */ -ST_DATA struct TCCState *tcc_state; - -/* public functions currently used by the tcc main function */ -ST_FUNC char *pstrcpy(char *buf, int buf_size, const char *s); -ST_FUNC char *pstrcat(char *buf, int buf_size, const char *s); -ST_FUNC char *pstrncpy(char *out, const char *in, size_t num); -PUB_FUNC char *tcc_basename(const char *name); -PUB_FUNC char *tcc_fileextension (const char *name); - -#ifndef MEM_DEBUG -PUB_FUNC void tcc_free(void *ptr); -PUB_FUNC void *tcc_malloc(unsigned long size); -PUB_FUNC void *tcc_mallocz(unsigned long size); -PUB_FUNC void *tcc_realloc(void *ptr, unsigned long size); -PUB_FUNC char *tcc_strdup(const char *str); -#else -#define tcc_free(ptr) tcc_free_debug(ptr) -#define tcc_malloc(size) tcc_malloc_debug(size, __FILE__, __LINE__) -#define tcc_mallocz(size) tcc_mallocz_debug(size, __FILE__, __LINE__) -#define tcc_realloc(ptr,size) tcc_realloc_debug(ptr, size, __FILE__, __LINE__) -#define tcc_strdup(str) tcc_strdup_debug(str, __FILE__, __LINE__) -PUB_FUNC void tcc_free_debug(void *ptr); -PUB_FUNC void *tcc_malloc_debug(unsigned long size, const char *file, int line); -PUB_FUNC void *tcc_mallocz_debug(unsigned long size, const char *file, int line); -PUB_FUNC void *tcc_realloc_debug(void *ptr, unsigned long size, const char *file, int line); -PUB_FUNC char *tcc_strdup_debug(const char *str, const char *file, int line); -#endif - -#define free(p) use_tcc_free(p) -#define malloc(s) use_tcc_malloc(s) -#define realloc(p, s) use_tcc_realloc(p, s) -#undef strdup -#define strdup(s) use_tcc_strdup(s) -PUB_FUNC void tcc_memcheck(void); -PUB_FUNC void tcc_error_noabort(const char *fmt, ...); -PUB_FUNC NORETURN void tcc_error(const char *fmt, ...); -PUB_FUNC void tcc_warning(const char *fmt, ...); - -/* other utilities */ -ST_FUNC void dynarray_add(void *ptab, int *nb_ptr, void *data); -ST_FUNC void dynarray_reset(void *pp, int *n); -ST_INLN void cstr_ccat(CString *cstr, int ch); -ST_FUNC void cstr_cat(CString *cstr, const char *str, int len); -ST_FUNC void cstr_wccat(CString *cstr, int ch); -ST_FUNC void cstr_new(CString *cstr); -ST_FUNC void cstr_free(CString *cstr); -ST_FUNC void cstr_reset(CString *cstr); - -ST_INLN void sym_free(Sym *sym); -ST_FUNC Sym *sym_push2(Sym **ps, int v, int t, int c); -ST_FUNC Sym *sym_find2(Sym *s, int v); -ST_FUNC Sym *sym_push(int v, CType *type, int r, int c); -ST_FUNC void sym_pop(Sym **ptop, Sym *b, int keep); -ST_INLN Sym *struct_find(int v); -ST_INLN Sym *sym_find(int v); -ST_FUNC Sym *global_identifier_push(int v, int t, int c); - -ST_FUNC void tcc_open_bf(TCCState *s1, const char *filename, int initlen); -ST_FUNC int tcc_open(TCCState *s1, const char *filename); -ST_FUNC void tcc_close(void); - -ST_FUNC int tcc_add_file_internal(TCCState *s1, const char *filename, int flags); -/* flags: */ -#define AFF_PRINT_ERROR 0x10 /* print error if file not found */ -#define AFF_REFERENCED_DLL 0x20 /* load a referenced dll from another dll */ -#define AFF_TYPE_BIN 0x40 /* file to add is binary */ -/* s->filetype: */ -#define AFF_TYPE_NONE 0 -#define AFF_TYPE_C 1 -#define AFF_TYPE_ASM 2 -#define AFF_TYPE_ASMPP 3 -#define AFF_TYPE_LIB 4 -/* values from tcc_object_type(...) */ -#define AFF_BINTYPE_REL 1 -#define AFF_BINTYPE_DYN 2 -#define AFF_BINTYPE_AR 3 -#define AFF_BINTYPE_C67 4 - - -ST_FUNC int tcc_add_crt(TCCState *s, const char *filename); -ST_FUNC int tcc_add_dll(TCCState *s, const char *filename, int flags); -ST_FUNC void tcc_add_pragma_libs(TCCState *s1); -PUB_FUNC int tcc_add_library_err(TCCState *s, const char *f); -PUB_FUNC void tcc_print_stats(TCCState *s, unsigned total_time); -PUB_FUNC int tcc_parse_args(TCCState *s, int *argc, char ***argv, int optind); -#ifdef _WIN32 -ST_FUNC char *normalize_slashes(char *path); -#endif - -/* tcc_parse_args return codes: */ -#define OPT_HELP 1 -#define OPT_HELP2 2 -#define OPT_V 3 -#define OPT_PRINT_DIRS 4 -#define OPT_AR 5 -#define OPT_IMPDEF 6 -#define OPT_M32 32 -#define OPT_M64 64 - -/* ------------ tccpp.c ------------ */ - -ST_DATA struct BufferedFile *file; -ST_DATA int ch, tok; -ST_DATA CValue tokc; -ST_DATA const int *macro_ptr; -ST_DATA int parse_flags; -ST_DATA int tok_flags; -ST_DATA CString tokcstr; /* current parsed string, if any */ - -/* display benchmark infos */ -ST_DATA int total_lines; -ST_DATA int total_bytes; -ST_DATA int tok_ident; -ST_DATA TokenSym **table_ident; - -#define TOK_FLAG_BOL 0x0001 /* beginning of line before */ -#define TOK_FLAG_BOF 0x0002 /* beginning of file before */ -#define TOK_FLAG_ENDIF 0x0004 /* a endif was found matching starting #ifdef */ -#define TOK_FLAG_EOF 0x0008 /* end of file */ - -#define PARSE_FLAG_PREPROCESS 0x0001 /* activate preprocessing */ -#define PARSE_FLAG_TOK_NUM 0x0002 /* return numbers instead of TOK_PPNUM */ -#define PARSE_FLAG_LINEFEED 0x0004 /* line feed is returned as a - token. line feed is also - returned at eof */ -#define PARSE_FLAG_ASM_FILE 0x0008 /* we processing an asm file: '#' can be used for line comment, etc. */ -#define PARSE_FLAG_SPACES 0x0010 /* next() returns space tokens (for -E) */ -#define PARSE_FLAG_ACCEPT_STRAYS 0x0020 /* next() returns '\\' token */ -#define PARSE_FLAG_TOK_STR 0x0040 /* return parsed strings instead of TOK_PPSTR */ - -/* isidnum_table flags: */ -#define IS_SPC 1 -#define IS_ID 2 -#define IS_NUM 4 - -ST_FUNC TokenSym *tok_alloc(const char *str, int len); -ST_FUNC const char *get_tok_str(int v, CValue *cv); -ST_FUNC void begin_macro(TokenString *str, int alloc); -ST_FUNC void end_macro(void); -ST_FUNC int set_idnum(int c, int val); -ST_INLN void tok_str_new(TokenString *s); -ST_FUNC TokenString *tok_str_alloc(void); -ST_FUNC void tok_str_free(TokenString *s); -ST_FUNC void tok_str_free_str(int *str); -ST_FUNC void tok_str_add(TokenString *s, int t); -ST_FUNC void tok_str_add_tok(TokenString *s); -ST_INLN void define_push(int v, int macro_type, int *str, Sym *first_arg); -ST_FUNC void define_undef(Sym *s); -ST_INLN Sym *define_find(int v); -ST_FUNC void free_defines(Sym *b); -ST_FUNC Sym *label_find(int v); -ST_FUNC Sym *label_push(Sym **ptop, int v, int flags); -ST_FUNC void label_pop(Sym **ptop, Sym *slast, int keep); -ST_FUNC void parse_define(void); -ST_FUNC void preprocess(int is_bof); -ST_FUNC void next_nomacro(void); -ST_FUNC void next(void); -ST_INLN void unget_tok(int last_tok); -ST_FUNC void preprocess_start(TCCState *s1, int is_asm); -ST_FUNC void preprocess_end(TCCState *s1); -ST_FUNC void tccpp_new(TCCState *s); -ST_FUNC void tccpp_delete(TCCState *s); -ST_FUNC int tcc_preprocess(TCCState *s1); -ST_FUNC void skip(int c); -ST_FUNC NORETURN void expect(const char *msg); - -/* space excluding newline */ -static inline int is_space(int ch) { - return ch == ' ' || ch == '\t' || ch == '\v' || ch == '\f' || ch == '\r'; -} -static inline int isid(int c) { - return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || c == '_'; -} -static inline int isnum(int c) { - return c >= '0' && c <= '9'; -} -static inline int isoct(int c) { - return c >= '0' && c <= '7'; -} -static inline int toup(int c) { - return (c >= 'a' && c <= 'z') ? c - 'a' + 'A' : c; -} - -/* ------------ tccgen.c ------------ */ - -#define SYM_POOL_NB (8192 / sizeof(Sym)) -ST_DATA Sym *sym_free_first; -ST_DATA void **sym_pools; -ST_DATA int nb_sym_pools; - -ST_DATA Sym *global_stack; -ST_DATA Sym *local_stack; -ST_DATA Sym *local_label_stack; -ST_DATA Sym *global_label_stack; -ST_DATA Sym *define_stack; -ST_DATA CType char_pointer_type, func_old_type, int_type, size_type; -ST_DATA SValue __vstack[1+/*to make bcheck happy*/ VSTACK_SIZE], *vtop, *pvtop; -#define vstack (__vstack + 1) -ST_DATA int rsym, anon_sym, ind, loc; - -ST_DATA int const_wanted; /* true if constant wanted */ -ST_DATA int nocode_wanted; /* true if no code generation wanted for an expression */ -ST_DATA int global_expr; /* true if compound literals must be allocated globally (used during initializers parsing */ -ST_DATA CType func_vt; /* current function return type (used by return instruction) */ -ST_DATA int func_var; /* true if current function is variadic */ -ST_DATA int func_vc; -ST_DATA int last_line_num, last_ind, func_ind; /* debug last line number and pc */ -ST_DATA const char *funcname; -ST_DATA int g_debug; - -ST_FUNC void tcc_debug_start(TCCState *s1); -ST_FUNC void tcc_debug_end(TCCState *s1); -ST_FUNC void tcc_debug_funcstart(TCCState *s1, Sym *sym); -ST_FUNC void tcc_debug_funcend(TCCState *s1, int size); -ST_FUNC void tcc_debug_line(TCCState *s1); - -ST_FUNC int tccgen_compile(TCCState *s1); -ST_FUNC void free_inline_functions(TCCState *s); -ST_FUNC void check_vstack(void); - -ST_INLN int is_float(int t); -ST_FUNC int ieee_finite(double d); -ST_FUNC void test_lvalue(void); -ST_FUNC void vpushi(int v); -ST_FUNC Sym *external_global_sym(int v, CType *type, int r); -ST_FUNC void vset(CType *type, int r, int v); -ST_FUNC void vswap(void); -ST_FUNC void vpush_global_sym(CType *type, int v); -ST_FUNC void vrote(SValue *e, int n); -ST_FUNC void vrott(int n); -ST_FUNC void vrotb(int n); -#ifdef TCC_TARGET_ARM -ST_FUNC int get_reg_ex(int rc, int rc2); -ST_FUNC void lexpand_nr(void); -#endif -ST_FUNC void vpushv(SValue *v); -ST_FUNC void save_reg(int r); -ST_FUNC void save_reg_upstack(int r, int n); -ST_FUNC int get_reg(int rc); -ST_FUNC void save_regs(int n); -ST_FUNC void gaddrof(void); -ST_FUNC int gv(int rc); -ST_FUNC void gv2(int rc1, int rc2); -ST_FUNC void vpop(void); -ST_FUNC void gen_op(int op); -ST_FUNC int type_size(CType *type, int *a); -ST_FUNC void mk_pointer(CType *type); -ST_FUNC void vstore(void); -ST_FUNC void inc(int post, int c); -ST_FUNC void parse_mult_str (CString *astr, const char *msg); -ST_FUNC void parse_asm_str(CString *astr); -ST_FUNC int lvalue_type(int t); -ST_FUNC void indir(void); -ST_FUNC void unary(void); -ST_FUNC void expr_prod(void); -ST_FUNC void expr_sum(void); -ST_FUNC void gexpr(void); -ST_FUNC int expr_const(void); -#if defined CONFIG_TCC_BCHECK || defined TCC_TARGET_C67 -ST_FUNC Sym *get_sym_ref(CType *type, Section *sec, unsigned long offset, unsigned long size); -#endif -#if defined TCC_TARGET_X86_64 && !defined TCC_TARGET_PE -ST_FUNC int classify_x86_64_va_arg(CType *ty); -#endif - -/* ------------ tccelf.c ------------ */ - -#define TCC_OUTPUT_FORMAT_ELF 0 /* default output format: ELF */ -#define TCC_OUTPUT_FORMAT_BINARY 1 /* binary image output */ -#define TCC_OUTPUT_FORMAT_COFF 2 /* COFF */ - -#define ARMAG "!<arch>\012" /* For COFF and a.out archives */ - -typedef struct { - unsigned int n_strx; /* index into string table of name */ - unsigned char n_type; /* type of symbol */ - unsigned char n_other; /* misc info (usually empty) */ - unsigned short n_desc; /* description field */ - unsigned int n_value; /* value of symbol */ -} Stab_Sym; - -ST_DATA Section *text_section, *data_section, *bss_section; /* predefined sections */ -ST_DATA Section *common_section; -ST_DATA Section *cur_text_section; /* current section where function code is generated */ -#ifdef CONFIG_TCC_ASM -ST_DATA Section *last_text_section; /* to handle .previous asm directive */ -#endif -#ifdef CONFIG_TCC_BCHECK -/* bound check related sections */ -ST_DATA Section *bounds_section; /* contains global data bound description */ -ST_DATA Section *lbounds_section; /* contains local data bound description */ -ST_FUNC void tccelf_bounds_new(TCCState *s); -#endif -/* symbol sections */ -ST_DATA Section *symtab_section, *strtab_section; -/* debug sections */ -ST_DATA Section *stab_section, *stabstr_section; - -ST_FUNC void tccelf_new(TCCState *s); -ST_FUNC void tccelf_delete(TCCState *s); -ST_FUNC void tccelf_stab_new(TCCState *s); - -ST_FUNC Section *new_section(TCCState *s1, const char *name, int sh_type, int sh_flags); -ST_FUNC void section_realloc(Section *sec, unsigned long new_size); -ST_FUNC size_t section_add(Section *sec, addr_t size, int align); -ST_FUNC void *section_ptr_add(Section *sec, addr_t size); -ST_FUNC void section_reserve(Section *sec, unsigned long size); -ST_FUNC Section *find_section(TCCState *s1, const char *name); -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); - -ST_FUNC void put_extern_sym2(Sym *sym, Section *section, addr_t value, unsigned long size, int can_add_underscore); -ST_FUNC void put_extern_sym(Sym *sym, Section *section, addr_t value, unsigned long size); -#if PTR_SIZE == 4 -ST_FUNC void greloc(Section *s, Sym *sym, unsigned long offset, int type); -#endif -ST_FUNC void greloca(Section *s, Sym *sym, unsigned long offset, int type, addr_t addend); - -ST_FUNC int put_elf_str(Section *s, const char *sym); -ST_FUNC int put_elf_sym(Section *s, addr_t value, unsigned long size, int info, int other, int shndx, const char *name); -ST_FUNC int set_elf_sym(Section *s, addr_t value, unsigned long size, int info, int other, int shndx, const char *name); -ST_FUNC int find_elf_sym(Section *s, const char *name); -ST_FUNC void put_elf_reloc(Section *symtab, Section *s, unsigned long offset, int type, int symbol); -ST_FUNC void put_elf_reloca(Section *symtab, Section *s, unsigned long offset, int type, int symbol, addr_t addend); - -ST_FUNC void put_stabs(const char *str, int type, int other, int desc, unsigned long value); -ST_FUNC void put_stabs_r(const char *str, int type, int other, int desc, unsigned long value, Section *sec, int sym_index); -ST_FUNC void put_stabn(int type, int other, int desc, int value); -ST_FUNC void put_stabd(int type, int other, int desc); - -ST_FUNC void relocate_common_syms(void); -ST_FUNC void relocate_syms(TCCState *s1, Section *symtab, int do_resolve); -ST_FUNC void relocate_section(TCCState *s1, Section *s); - -ST_FUNC void tcc_add_linker_symbols(TCCState *s1); -ST_FUNC int tcc_object_type(int fd, ElfW(Ehdr) *h); -ST_FUNC int tcc_load_object_file(TCCState *s1, int fd, unsigned long file_offset); -ST_FUNC int tcc_load_archive(TCCState *s1, int fd); -ST_FUNC void tcc_add_bcheck(TCCState *s1); -ST_FUNC void tcc_add_runtime(TCCState *s1); - -ST_FUNC void build_got_entries(TCCState *s1); -ST_FUNC struct sym_attr *get_sym_attr(TCCState *s1, int index, int alloc); -ST_FUNC void squeeze_multi_relocs(Section *sec, size_t oldrelocoffset); - -ST_FUNC addr_t get_elf_sym_addr(TCCState *s, const char *name, int err); -#if defined TCC_IS_NATIVE || defined TCC_TARGET_PE -ST_FUNC void *tcc_get_symbol_err(TCCState *s, const char *name); -#endif - -#ifndef TCC_TARGET_PE -ST_FUNC int tcc_load_dll(TCCState *s1, int fd, const char *filename, int level); -ST_FUNC int tcc_load_ldscript(TCCState *s1); -ST_FUNC uint8_t *parse_comment(uint8_t *p); -ST_FUNC void minp(void); -ST_INLN void inp(void); -ST_FUNC int handle_eob(void); -#endif - -/* ------------ xxx-link.c ------------ */ - -/* Whether to generate a GOT/PLT entry and when. NO_GOTPLT_ENTRY is first so - that unknown relocation don't create a GOT or PLT entry */ -enum gotplt_entry { - NO_GOTPLT_ENTRY, /* never generate (eg. GLOB_DAT & JMP_SLOT relocs) */ - BUILD_GOT_ONLY, /* only build GOT (eg. TPOFF relocs) */ - AUTO_GOTPLT_ENTRY, /* generate if sym is UNDEF */ - ALWAYS_GOTPLT_ENTRY /* always generate (eg. PLTOFF relocs) */ -}; - -ST_FUNC int code_reloc (int reloc_type); -ST_FUNC int gotplt_entry_type (int reloc_type); -ST_FUNC unsigned create_plt_entry(TCCState *s1, unsigned got_offset, struct sym_attr *attr); -ST_FUNC void relocate_init(Section *sr); -ST_FUNC void relocate(TCCState *s1, ElfW_Rel *rel, int type, unsigned char *ptr, addr_t addr, addr_t val); -ST_FUNC void relocate_plt(TCCState *s1); - -/* ------------ xxx-gen.c ------------ */ - -ST_DATA const int reg_classes[NB_REGS]; - -ST_FUNC void gsym_addr(int t, int a); -ST_FUNC void gsym(int t); -ST_FUNC void load(int r, SValue *sv); -ST_FUNC void store(int r, SValue *v); -ST_FUNC int gfunc_sret(CType *vt, int variadic, CType *ret, int *align, int *regsize); -ST_FUNC void gfunc_call(int nb_args); -ST_FUNC void gfunc_prolog(CType *func_type); -ST_FUNC void gfunc_epilog(void); -ST_FUNC int gjmp(int t); -ST_FUNC void gjmp_addr(int a); -ST_FUNC int gtst(int inv, int t); -#if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64 -ST_FUNC void gtst_addr(int inv, int a); -#else -#define gtst_addr(inv, a) gsym_addr(gtst(inv, 0), a) -#endif -ST_FUNC void gen_opi(int op); -ST_FUNC void gen_opf(int op); -ST_FUNC void gen_cvt_ftoi(int t); -ST_FUNC void gen_cvt_ftof(int t); -ST_FUNC void ggoto(void); -#ifndef TCC_TARGET_C67 -ST_FUNC void o(unsigned int c); -#endif -#ifndef TCC_TARGET_ARM -ST_FUNC void gen_cvt_itof(int t); -#endif -ST_FUNC void gen_vla_sp_save(int addr); -ST_FUNC void gen_vla_sp_restore(int addr); -ST_FUNC void gen_vla_alloc(CType *type, int align); - -static inline uint16_t read16le(unsigned char *p) { - return p[0] | (uint16_t)p[1] << 8; -} -static inline void write16le(unsigned char *p, uint16_t x) { - p[0] = x & 255; p[1] = x >> 8 & 255; -} -static inline uint32_t read32le(unsigned char *p) { - return read16le(p) | (uint32_t)read16le(p + 2) << 16; -} -static inline void write32le(unsigned char *p, uint32_t x) { - write16le(p, x); write16le(p + 2, x >> 16); -} -static inline void add32le(unsigned char *p, int32_t x) { - write32le(p, read32le(p) + x); -} -static inline uint64_t read64le(unsigned char *p) { - return read32le(p) | (uint64_t)read32le(p + 4) << 32; -} -static inline void write64le(unsigned char *p, uint64_t x) { - write32le(p, x); write32le(p + 4, x >> 32); -} -static inline void add64le(unsigned char *p, int64_t x) { - write64le(p, read64le(p) + x); -} - -/* ------------ i386-gen.c ------------ */ -#if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64 -ST_FUNC void g(int c); -ST_FUNC void gen_le16(int c); -ST_FUNC void gen_le32(int c); -ST_FUNC void gen_addr32(int r, Sym *sym, int c); -ST_FUNC void gen_addrpc32(int r, Sym *sym, int c); -#endif - -#ifdef CONFIG_TCC_BCHECK -ST_FUNC void gen_bounded_ptr_add(void); -ST_FUNC void gen_bounded_ptr_deref(void); -#endif - -/* ------------ x86_64-gen.c ------------ */ -#ifdef TCC_TARGET_X86_64 -ST_FUNC void gen_addr64(int r, Sym *sym, int64_t c); -ST_FUNC void gen_opl(int op); -#endif - -/* ------------ arm-gen.c ------------ */ -#ifdef TCC_TARGET_ARM -#if defined(TCC_ARM_EABI) && !defined(CONFIG_TCC_ELFINTERP) -PUB_FUNC const char *default_elfinterp(struct TCCState *s); -#endif -ST_FUNC void arm_init(struct TCCState *s); -ST_FUNC void gen_cvt_itof1(int t); -#endif - -/* ------------ arm64-gen.c ------------ */ -#ifdef TCC_TARGET_ARM64 -ST_FUNC void gen_cvt_sxtw(void); -ST_FUNC void gen_opl(int op); -ST_FUNC void gfunc_return(CType *func_type); -ST_FUNC void gen_va_start(void); -ST_FUNC void gen_va_arg(CType *t); -ST_FUNC void gen_clear_cache(void); -#endif - -/* ------------ c67-gen.c ------------ */ -#ifdef TCC_TARGET_C67 -#endif - -/* ------------ tcccoff.c ------------ */ - -#ifdef TCC_TARGET_COFF -ST_FUNC int tcc_output_coff(TCCState *s1, FILE *f); -ST_FUNC int tcc_load_coff(TCCState * s1, int fd); -#endif - -/* ------------ tccasm.c ------------ */ -ST_FUNC void asm_instr(void); -ST_FUNC void asm_global_instr(void); -#ifdef CONFIG_TCC_ASM -ST_FUNC int find_constraint(ASMOperand *operands, int nb_operands, const char *name, const char **pp); -ST_FUNC Sym* get_asm_sym(int name, Sym *csym); -ST_FUNC void asm_expr(TCCState *s1, ExprValue *pe); -ST_FUNC int asm_int_expr(TCCState *s1); -ST_FUNC int tcc_assemble(TCCState *s1, int do_preprocess); -/* ------------ i386-asm.c ------------ */ -ST_FUNC void gen_expr32(ExprValue *pe); -#ifdef TCC_TARGET_X86_64 -ST_FUNC void gen_expr64(ExprValue *pe); -#endif -ST_FUNC void asm_opcode(TCCState *s1, int opcode); -ST_FUNC int asm_parse_regvar(int t); -ST_FUNC void asm_compute_constraints(ASMOperand *operands, int nb_operands, int nb_outputs, const uint8_t *clobber_regs, int *pout_reg); -ST_FUNC void subst_asm_operand(CString *add_str, SValue *sv, int modifier); -ST_FUNC void asm_gen_code(ASMOperand *operands, int nb_operands, int nb_outputs, int is_output, uint8_t *clobber_regs, int out_reg); -ST_FUNC void asm_clobber(uint8_t *clobber_regs, const char *str); -#endif - -/* ------------ tccpe.c -------------- */ -#ifdef TCC_TARGET_PE -ST_FUNC int pe_load_file(struct TCCState *s1, const char *filename, int fd); -ST_FUNC int pe_output_file(TCCState * s1, const char *filename); -ST_FUNC int pe_putimport(TCCState *s1, int dllindex, const char *name, addr_t value); -#if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64 -ST_FUNC SValue *pe_getimport(SValue *sv, SValue *v2); -#endif -#ifdef TCC_TARGET_X86_64 -ST_FUNC void pe_add_unwind_data(unsigned start, unsigned end, unsigned stack); -#endif -PUB_FUNC int tcc_get_dllexports(const char *filename, char **pp); -/* symbol properties stored in Elf32_Sym->st_other */ -# define ST_PE_EXPORT 0x10 -# define ST_PE_IMPORT 0x20 -# define ST_PE_STDCALL 0x40 -#endif -/* ------------ tccrun.c ----------------- */ -#ifdef TCC_IS_NATIVE -#ifdef CONFIG_TCC_STATIC -#define RTLD_LAZY 0x001 -#define RTLD_NOW 0x002 -#define RTLD_GLOBAL 0x100 -#define RTLD_DEFAULT NULL -/* dummy function for profiling */ -ST_FUNC void *dlopen(const char *filename, int flag); -ST_FUNC void dlclose(void *p); -ST_FUNC const char *dlerror(void); -ST_FUNC void *dlsym(void *handle, const char *symbol); -#endif -#ifdef CONFIG_TCC_BACKTRACE -ST_DATA int rt_num_callers; -ST_DATA const char **rt_bound_error_msg; -ST_DATA void *rt_prog_main; -ST_FUNC void tcc_set_num_callers(int n); -#endif -ST_FUNC void tcc_run_free(TCCState *s1); -#endif - -/* ------------ tcctools.c ----------------- */ -#if 0 /* included in tcc.c */ -ST_FUNC int tcc_tool_ar(TCCState *s, int argc, char **argv); -#ifdef TCC_TARGET_PE -ST_FUNC int tcc_tool_impdef(TCCState *s, int argc, char **argv); -#endif -ST_FUNC void tcc_tool_cross(TCCState *s, char **argv, int option); -ST_FUNC void gen_makedeps(TCCState *s, const char *target, const char *filename); -#endif - -/********************************************************/ -#undef ST_DATA -#if ONE_SOURCE -#define ST_DATA static -#else -#define ST_DATA -#endif -/********************************************************/ -#endif /* _TCC_H */ |