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Diffstat (limited to 'tinycc/tcc.h')
| -rw-r--r-- | tinycc/tcc.h | 1937 |
1 files changed, 1937 insertions, 0 deletions
diff --git a/tinycc/tcc.h b/tinycc/tcc.h new file mode 100644 index 0000000..78b0174 --- /dev/null +++ b/tinycc/tcc.h @@ -0,0 +1,1937 @@ +/* + * 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 +#define _DARWIN_C_SOURCE +#include "config.h" + +#include <stdarg.h> +#include <stdlib.h> +#include <stdio.h> +/* gnu headers use to #define __attribute__ to empty for non-gcc compilers */ +#ifdef __TINYC__ +# undef __attribute__ +#endif +#include <string.h> +#include <errno.h> +#include <math.h> +#include <fcntl.h> +#include <setjmp.h> +#include <time.h> +#include <sys/stat.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 +# define WIN32_LEAN_AND_MEAN 1 +# include <windows.h> +# include <io.h> /* open, close etc. */ +# include <direct.h> /* getcwd */ +# include <malloc.h> /* alloca */ +# 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 +# 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 +# ifdef _X86_ +# define __i386__ 1 +# endif +# ifdef _AMD64_ +# define __x86_64__ 1 +# endif +# endif +# ifndef va_copy +# define va_copy(a,b) a = b +# endif +# undef CONFIG_TCC_STATIC +#endif + +#ifndef PAGESIZE +# ifdef _SC_PAGESIZE +# define PAGESIZE sysconf(_SC_PAGESIZE) +# else +# define PAGESIZE 4096 +# endif +#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)) +# define PRINTF_LIKE(x,y) +#else +# define NORETURN __attribute__((noreturn)) +# define ALIGNED(x) __attribute__((aligned(x))) +# define PRINTF_LIKE(x,y) __attribute__ ((format (printf, (x), (y)))) +#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 (only for single threaded usage) */ +/* #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 */ +/* #define TCC_TARGET_RISCV64 *//* risc-v 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) && !defined(TCC_TARGET_RISCV64) +# if defined __x86_64__ +# define TCC_TARGET_X86_64 +# elif defined __arm__ +# define TCC_TARGET_ARM +# define TCC_ARM_EABI +# define TCC_ARM_VFP +# define TCC_ARM_HARDFLOAT +# elif defined __aarch64__ +# define TCC_TARGET_ARM64 +# elif defined __riscv +# define TCC_TARGET_RISCV64 +# else +# define TCC_TARGET_I386 +# endif +# ifdef _WIN32 +# define TCC_TARGET_PE 1 +# endif +# ifdef __APPLE__ +# define TCC_TARGET_MACHO 1 +# endif +#endif + +/* only native compiler supports -run */ +#if defined _WIN32 == defined TCC_TARGET_PE \ + && defined __APPLE__ == defined TCC_TARGET_MACHO +# if defined __i386__ && defined TCC_TARGET_I386 +# define TCC_IS_NATIVE +# elif defined __x86_64__ && 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 +# elif defined __riscv && defined __LP64__ && defined TCC_TARGET_RISCV64 +# define TCC_IS_NATIVE +# endif +#endif + +#if defined CONFIG_TCC_BACKTRACE && CONFIG_TCC_BACKTRACE==0 +# undef CONFIG_TCC_BACKTRACE +#else +# define CONFIG_TCC_BACKTRACE 1 /* enable builtin stack backtraces */ +#endif + +#if defined CONFIG_TCC_BCHECK && CONFIG_TCC_BCHECK==0 +# undef CONFIG_TCC_BCHECK +#else +# define CONFIG_TCC_BCHECK 1 /* enable bound checking code */ +#endif + +#if defined CONFIG_NEW_MACHO && CONFIG_NEW_MACHO==0 +# undef CONFIG_NEW_MACHO +#else +# define CONFIG_NEW_MACHO 1 /* enable new macho code */ +#endif + +#if defined TARGETOS_OpenBSD \ + || defined TARGETOS_FreeBSD \ + || defined TARGETOS_NetBSD \ + || defined TARGETOS_FreeBSD_kernel +# define TARGETOS_BSD 1 +#elif !(defined TCC_TARGET_PE || defined TCC_TARGET_MACHO) +# define TARGETOS_Linux 1 +#endif + +#if defined TCC_TARGET_PE || defined TCC_TARGET_MACHO +# define ELF_OBJ_ONLY /* create elf .o but native executables */ +#endif + +/* No ten-byte long doubles on window and macos except in + cross-compilers made by a mingw-GCC */ +#if defined TCC_TARGET_PE \ + || (defined TCC_TARGET_MACHO && defined TCC_TARGET_ARM64) \ + || (defined _WIN32 && !defined __GNUC__) +# define TCC_USING_DOUBLE_FOR_LDOUBLE 1 +#endif + +#ifdef CONFIG_TCC_PIE +# define CONFIG_TCC_PIC 1 +#endif + +/* ------------ path configuration ------------ */ + +#ifndef CONFIG_SYSROOT +# define CONFIG_SYSROOT "" +#endif +#if !defined CONFIG_TCCDIR && !defined _WIN32 +# 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 + +#ifndef CONFIG_USR_INCLUDE +# define CONFIG_USR_INCLUDE "/usr/include" +#endif + +/* Below: {B} is substituted by CONFIG_TCCDIR (rsp. -B option) */ + +/* system include paths */ +#ifndef CONFIG_TCC_SYSINCLUDEPATHS +# if defined TCC_TARGET_PE || defined _WIN32 +# 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 CONFIG_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 \ + "{B}" \ + ":" 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 TARGETOS_FreeBSD +# define CONFIG_TCC_ELFINTERP "/libexec/ld-elf.so.1" +# elif TARGETOS_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 TARGETOS_DragonFly +# define CONFIG_TCC_ELFINTERP "/usr/libexec/ld-elf.so.2" +# elif TARGETOS_NetBSD +# define CONFIG_TCC_ELFINTERP "/usr/libexec/ld.elf_so" +# elif TARGETOS_OpenBSD +# define CONFIG_TCC_ELFINTERP "/usr/libexec/ld.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_TARGET_RISCV64) +# define CONFIG_TCC_ELFINTERP "/lib/ld-linux-riscv64-lp64d.so.1" +# elif !defined(TCC_ARM_EABI) +# if defined(TCC_MUSL) +# if defined(TCC_TARGET_I386) +# define CONFIG_TCC_ELFINTERP "/lib/ld-musl-i386.so.1" +# else +# define CONFIG_TCC_ELFINTERP "/lib/ld-musl-arm.so.1" +# endif +# 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 + +#ifndef CONFIG_TCC_CROSSPREFIX +# define CONFIG_TCC_CROSSPREFIX "" +#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" +#include "dwarf.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 + +/* support using libtcc from threads */ +#ifndef CONFIG_TCC_SEMLOCK +# define CONFIG_TCC_SEMLOCK 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" +#elif defined TCC_TARGET_X86_64 +# include "x86_64-gen.c" +# include "x86_64-link.c" +#elif defined TCC_TARGET_ARM +# include "arm-gen.c" +# include "arm-link.c" +# include "arm-asm.c" +#elif defined TCC_TARGET_ARM64 +# include "arm64-gen.c" +# include "arm64-link.c" +# include "arm-asm.c" +#elif defined TCC_TARGET_C67 +# define TCC_TARGET_COFF +# include "coff.h" +# include "c67-gen.c" +# include "c67-link.c" +#elif defined(TCC_TARGET_RISCV64) +# include "riscv64-gen.c" +# include "riscv64-link.c" +# include "riscv64-asm.c" +#else +#error unknown target +#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) +#define ElfSym ElfW(Sym) + +#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 512 +#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 */ + int size_allocated; + void *data; /* either 'char *' or 'nwchar_t *' */ + struct CString *prev; +} 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 { + const void *data; + int size; + } 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 */ + union { + struct { int jtrue, jfalse; }; /* forward jmps */ + CValue c; /* constant, if VT_CONST */ + }; + union { + struct { unsigned short cmp_op, cmp_r; }; /* VT_CMP operation */ + 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, + nodecorate : 1, + dllimport : 1, + addrtaken : 1, + nodebug : 1, + xxxx : 2; /* not used */ +}; + +/* 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_noreturn : 1, /* attribute((noreturn)) */ + func_ctor : 1, /* attribute((constructor)) */ + func_dtor : 1, /* attribute((destructor)) */ + func_args : 8, /* PE __stdcall args */ + func_alwinl : 1, /* always_inline */ + xxxx : 15; +}; + +/* 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 */ + struct Sym *ncl; /* next cleanup */ + }; + CType type; /* associated type */ + union { + int *vla_array_str; /* vla array code */ + struct Sym *next; /* next related symbol (for fields and anoms) */ + struct Sym *cleanupstate; /* in defined labels */ + 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 */ +typedef struct Section { + unsigned long data_offset; /* current data offset */ + unsigned char *data; /* section data */ + unsigned long data_allocated; /* used for realloc() handling */ + TCCState *s1; + 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; + unsigned char found, index; + 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 */ +#define LABEL_GONE 3 /* label isn't in scope, but not yet popped + from local_label_stack (stmt exprs) */ + +/* type_decl() types */ +#define TYPE_ABSTRACT 1 /* type without variable */ +#define TYPE_DIRECT 2 /* type with variable */ +#define TYPE_PARAM 4 /* type declares function parameter */ +#define TYPE_NEST 8 /* nested call to post_type */ + +#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; + +/* GNUC attribute definition */ +typedef struct AttributeDef { + struct SymAttr a; + struct FuncAttr f; + struct Section *section; + Sym *cleanup_func; + int alias_target; /* token */ + int asm_label; /* associated asm label */ + char attr_mode; /* __attribute__((__mode__(...))) */ +} AttributeDef; + +/* 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 { + struct stat st; +#ifdef _WIN32 + unsigned long long hash; +#endif + 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[16]; + 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 */ + int is_label; /* for asm goto */ +} 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 { + unsigned char verbose; /* if true, display some information during compilation */ + unsigned char nostdinc; /* if true, no standard headers are added */ + unsigned char nostdlib; /* if true, no standard libraries are added */ + unsigned char nocommon; /* if true, do not use common symbols for .bss data */ + unsigned char static_link; /* if true, static linking is performed */ + unsigned char rdynamic; /* if true, all symbols are exported */ + unsigned char symbolic; /* if true, resolve symbols in the current module first */ + unsigned char filetype; /* file type for compilation (NONE,C,ASM) */ + unsigned char optimize; /* only to #define __OPTIMIZE__ */ + unsigned char option_pthread; /* -pthread option */ + unsigned char enable_new_dtags; /* -Wl,--enable-new-dtags */ + unsigned int cversion; /* supported C ISO version, 199901 (the default), 201112, ... */ + + /* C language options */ + unsigned char char_is_unsigned; + unsigned char leading_underscore; + unsigned char ms_extensions; /* allow nested named struct w/o identifier behave like unnamed */ + unsigned char dollars_in_identifiers; /* allows '$' char in identifiers */ + unsigned char ms_bitfields; /* if true, emulate MS algorithm for aligning bitfields */ + + /* warning switches */ + unsigned char warn_none; + unsigned char warn_all; + unsigned char warn_error; + unsigned char warn_write_strings; + unsigned char warn_unsupported; + unsigned char warn_implicit_function_declaration; + unsigned char warn_discarded_qualifiers; + #define WARN_ON 1 /* warning is on (-Woption) */ + unsigned char warn_num; /* temp var for tcc_warning_c() */ + + unsigned char option_r; /* option -r */ + unsigned char do_bench; /* option -bench */ + unsigned char just_deps; /* option -M */ + unsigned char gen_deps; /* option -MD */ + unsigned char include_sys_deps; /* option -MD */ + + /* compile with debug symbol (and use them if error during execution) */ + unsigned char do_debug; + unsigned char dwarf; + unsigned char do_backtrace; +#ifdef CONFIG_TCC_BCHECK + /* compile with built-in memory and bounds checker */ + unsigned char do_bounds_check; +#endif + unsigned char test_coverage; /* generate test coverage code */ + + /* use GNU C extensions */ + unsigned char gnu_ext; + /* use TinyCC extensions */ + unsigned char tcc_ext; + + unsigned char dflag; /* -dX value */ + unsigned char Pflag; /* -P switch (LINE_MACRO_OUTPUT_FORMAT) */ + +#ifdef TCC_TARGET_X86_64 + unsigned char nosse; /* For -mno-sse support. */ +#endif +#ifdef TCC_TARGET_ARM + unsigned char float_abi; /* float ABI of the generated code*/ +#endif + + unsigned char has_text_addr; + addr_t text_addr; /* address of text section */ + unsigned section_align; /* section alignment */ +#ifdef TCC_TARGET_I386 + int seg_size; /* 32. Can be 16 with i386 assembler (.code16) */ +#endif + + 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=) */ + char *elf_entryname; /* "_start" unless set */ + char *init_symbol; /* symbols to call at load-time (not used currently) */ + char *fini_symbol; /* symbols to call at unload-time (not used currently) */ + char *mapfile; /* create a mapfile (not used currently) */ + + /* output type, see TCC_OUTPUT_XXX */ + int output_type; + /* output format, see TCC_OUTPUT_FORMAT_xxx */ + int output_format; + /* nth test to run with -dt -run */ + int run_test; + + /* 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; + + /* -D / -U options */ + CString cmdline_defs; + /* -include options */ + CString cmdline_incl; + + /* 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; + + /* 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 */ + + /* predefined sections */ + Section *text_section, *data_section, *rodata_section, *bss_section; + Section *common_section; + Section *cur_text_section; /* current section where function code is generated */ +#ifdef CONFIG_TCC_BCHECK + /* bound check related sections */ + Section *bounds_section; /* contains global data bound description */ + Section *lbounds_section; /* contains local data bound description */ +#endif + /* symbol section */ + Section *symtab_section; + /* 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; + /* got & plt handling */ + Section *got, *plt; + /* debug sections */ + Section *stab_section; + Section *dwarf_info_section; + Section *dwarf_abbrev_section; + Section *dwarf_line_section; + Section *dwarf_aranges_section; + Section *dwarf_str_section; + Section *dwarf_line_str_section; + int dwlo, dwhi; /* dwarf section range */ + /* test coverage */ + Section *tcov_section; + /* debug state */ + struct _tccdbg *dState; + + /* Is there a new undefined sym since last new_undef_sym() */ + int new_undef_sym; + /* extra attributes (eg. GOT/PLT value) for symtab symbols */ + struct sym_attr *sym_attrs; + int nb_sym_attrs; + /* ptr to next reloc entry reused */ + ElfW_Rel *qrel; + #define qrel s1->qrel + +#ifdef TCC_TARGET_RISCV64 + struct pcrel_hi { addr_t addr, val; } last_hi; + #define last_hi s1->last_hi +#endif + +#ifdef TCC_TARGET_PE + /* PE info */ + int pe_subsystem; + unsigned pe_characteristics; + unsigned pe_file_align; + unsigned pe_stack_size; + addr_t pe_imagebase; +# ifdef TCC_TARGET_X86_64 + Section *uw_pdata; + int uw_sym; + unsigned uw_offs; +# endif +#endif + +#if defined TCC_TARGET_MACHO + char *install_name; + uint32_t compatibility_version; + uint32_t current_version; +#endif + +#ifndef ELF_OBJ_ONLY + int nb_sym_versions; + struct sym_version *sym_versions; + int nb_sym_to_version; + int *sym_to_version; + int dt_verneednum; + Section *versym_section; + Section *verneed_section; +#endif + +#ifdef TCC_IS_NATIVE + const char *runtime_main; + void **runtime_mem; + int nb_runtime_mem; +#endif + +#ifdef CONFIG_TCC_BACKTRACE + int rt_num_callers; +#endif + + /* benchmark info */ + int total_idents; + int total_lines; + unsigned int total_bytes; + unsigned int total_output[4]; + + /* option -dnum (for general development purposes) */ + int g_debug; + + /* used by tcc_load_ldscript */ + int fd, cc; + + /* for warnings/errors for object files */ + const char *current_filename; + + /* 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 */ + char *outfile; /* output filename */ + char *deps_outfile; /* option -MF */ + int argc; + char **argv; + CString linker_arg; /* collect -Wl options */ +}; + +struct filespec { + char type; + 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 0x0C00 /* value must be casted to be correct (used for + char/short stored in integer registers) */ +#define VT_NONCONST 0x1000 /* VT_CONST, but not an (C standard) integer + constant expression */ +#define VT_MUSTBOUND 0x4000 /* 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 */ +/* 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 (((1U << (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) + +#define VT_ATOMIC VT_VOLATILE + +/* type mask (except storage) */ +#define VT_STORAGE (VT_EXTERN | VT_STATIC | VT_TYPEDEF | VT_INLINE) +#define VT_TYPE (~(VT_STORAGE|VT_STRUCT_MASK)) + +/* symbol was created by tccasm.c first */ +#define VT_ASM (VT_VOID | 1 << VT_STRUCT_SHIFT) +#define VT_ASM_FUNC (VT_ASM | 2 << VT_STRUCT_SHIFT) +#define IS_ASM_SYM(sym) (((sym)->type.t & (VT_BTYPE | VT_ASM)) == VT_ASM) + +/* general: set/get the pseudo-bitfield value for bit-mask M */ +#define BFVAL(M,N) ((unsigned)((M) & ~((M) << 1)) * (N)) +#define BFGET(X,M) (((X) & (M)) / BFVAL(M,1)) +#define BFSET(X,M,N) ((X) = ((X) & ~(M)) | BFVAL(M,N)) + +/* token values */ + +/* conditional ops */ +#define TOK_LAND 0x90 +#define TOK_LOR 0x91 +/* 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_ISCOND(t) (t >= TOK_LAND && t <= TOK_GT) + +#define TOK_DEC 0x80 /* -- */ +#define TOK_MID 0x81 /* inc/dec, to void constant */ +#define TOK_INC 0x82 /* ++ */ +#define TOK_UDIV 0x83 /* unsigned division */ +#define TOK_UMOD 0x84 /* unsigned modulo */ +#define TOK_PDIV 0x85 /* fast division with undefined rounding for pointers */ +#define TOK_UMULL 0x86 /* unsigned 32x32 -> 64 mul */ +#define TOK_ADDC1 0x87 /* add with carry generation */ +#define TOK_ADDC2 0x88 /* add with carry use */ +#define TOK_SUBC1 0x89 /* add with carry generation */ +#define TOK_SUBC2 0x8a /* add with carry use */ +#define TOK_SHL '<' /* shift left */ +#define TOK_SAR '>' /* signed shift right */ +#define TOK_SHR 0x8b /* unsigned shift right */ +#define TOK_NEG TOK_MID /* unary minus operation (for floats) */ + +#define TOK_ARROW 0xa0 /* -> */ +#define TOK_DOTS 0xa1 /* three dots */ +#define TOK_TWODOTS 0xa2 /* C++ token ? */ +#define TOK_TWOSHARPS 0xa3 /* ## preprocessing token */ +#define TOK_PLCHLDR 0xa4 /* placeholder token as defined in C99 */ +#define TOK_NOSUBST 0xa5 /* means following token has already been pp'd */ +#define TOK_PPJOIN 0xa6 /* A '##' in the right position to mean pasting */ + +/* assignment operators */ +#define TOK_A_ADD 0xb0 +#define TOK_A_SUB 0xb1 +#define TOK_A_MUL 0xb2 +#define TOK_A_DIV 0xb3 +#define TOK_A_MOD 0xb4 +#define TOK_A_AND 0xb5 +#define TOK_A_OR 0xb6 +#define TOK_A_XOR 0xb7 +#define TOK_A_SHL 0xb8 +#define TOK_A_SAR 0xb9 + +#define TOK_ASSIGN(t) (t >= TOK_A_ADD && t <= TOK_A_SAR) +#define TOK_ASSIGN_OP(t) ("+-*/%&|^<>"[t - TOK_A_ADD]) + +/* tokens that carry values (in additional token string space / tokc) --> */ +#define TOK_CCHAR 0xc0 /* char constant in tokc */ +#define TOK_LCHAR 0xc1 +#define TOK_CINT 0xc2 /* number in tokc */ +#define TOK_CUINT 0xc3 /* unsigned int constant */ +#define TOK_CLLONG 0xc4 /* long long constant */ +#define TOK_CULLONG 0xc5 /* unsigned long long constant */ +#define TOK_CLONG 0xc6 /* long constant */ +#define TOK_CULONG 0xc7 /* unsigned long constant */ +#define TOK_STR 0xc8 /* pointer to string in tokc */ +#define TOK_LSTR 0xc9 +#define TOK_CFLOAT 0xca /* float constant */ +#define TOK_CDOUBLE 0xcb /* double constant */ +#define TOK_CLDOUBLE 0xcc /* long double constant */ +#define TOK_PPNUM 0xcd /* preprocessor number */ +#define TOK_PPSTR 0xce /* preprocessor string */ +#define TOK_LINENUM 0xcf /* line number info */ + +#define TOK_HAS_VALUE(t) (t >= TOK_CCHAR && t <= TOK_LINENUM) + +#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 + +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 ------------ */ + +ST_DATA struct TCCState *tcc_state; +ST_DATA void** stk_data; +ST_DATA int nb_stk_data; + +/* public functions currently used by the tcc main function */ +ST_FUNC char *pstrcpy(char *buf, size_t buf_size, const char *s); +ST_FUNC char *pstrcat(char *buf, size_t 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 int _tcc_error_noabort(const char *fmt, ...) PRINTF_LIKE(1,2); +PUB_FUNC NORETURN void _tcc_error(const char *fmt, ...) PRINTF_LIKE(1,2); +PUB_FUNC void _tcc_warning(const char *fmt, ...) PRINTF_LIKE(1,2); +#define tcc_internal_error(msg) tcc_error("internal compiler error\n"\ + "%s:%d: in %s(): " msg, __FILE__,__LINE__,__FUNCTION__) + +/* 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 int cstr_printf(CString *cs, const char *fmt, ...) PRINTF_LIKE(2,3); +ST_FUNC int cstr_vprintf(CString *cstr, const char *fmt, va_list ap); +ST_FUNC void cstr_reset(CString *cstr); +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); + +/* mark a memory pointer on stack for cleanup after errors */ +#define stk_push(p) dynarray_add(&stk_data, &nb_stk_data, p) +#define stk_pop() (--nb_stk_data) +/* mark CString on stack for cleanup errors */ +#define cstr_new_s(cstr) (cstr_new(cstr), stk_push(&(cstr)->data)) +#define cstr_free_s(cstr) (cstr_free(cstr), stk_pop()) + +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 */ +#define AFF_WHOLE_ARCHIVE 0x80 /* load all objects from archive */ +/* s->filetype: */ +#define AFF_TYPE_NONE 0 +#define AFF_TYPE_C 1 +#define AFF_TYPE_ASM 2 +#define AFF_TYPE_ASMPP 4 +#define AFF_TYPE_LIB 8 +#define AFF_TYPE_MASK (15 | AFF_TYPE_BIN) +/* 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 + +#ifndef ELF_OBJ_ONLY +ST_FUNC int tcc_add_crt(TCCState *s, const char *filename); +#endif +ST_FUNC int tcc_add_dll(TCCState *s, const char *filename, int flags); +ST_FUNC void tcc_add_support(TCCState *s1, const char *filename); +#ifdef CONFIG_TCC_BCHECK +ST_FUNC void tcc_add_bcheck(TCCState *s1); +#endif +#ifdef CONFIG_TCC_BACKTRACE +ST_FUNC void tcc_add_btstub(TCCState *s1); +#endif +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 +ST_FUNC DLLReference *tcc_add_dllref(TCCState *s1, const char *dllname, int level); +ST_FUNC char *tcc_load_text(int fd); + +/* 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 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 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 + +enum line_macro_output_format { + LINE_MACRO_OUTPUT_FORMAT_GCC, + LINE_MACRO_OUTPUT_FORMAT_NONE, + LINE_MACRO_OUTPUT_FORMAT_STD, + LINE_MACRO_OUTPUT_FORMAT_P10 = 11 +}; + +ST_FUNC TokenSym *tok_alloc(const char *str, int len); +ST_FUNC int tok_alloc_const(const char *str); +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 void parse_define(void); +ST_FUNC void preprocess(int is_bof); +ST_FUNC void next(void); +ST_INLN void unget_tok(int last_tok); +ST_FUNC void preprocess_start(TCCState *s1, int filetype); +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 *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 int_type, func_old_type, char_pointer_type; +ST_DATA SValue *vtop; +ST_DATA int rsym, anon_sym, ind, loc; +ST_DATA char debug_modes; + +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 func_ind; +ST_DATA const char *funcname; + +ST_FUNC void tccgen_init(TCCState *s1); +ST_FUNC int tccgen_compile(TCCState *s1); +ST_FUNC void tccgen_finish(TCCState *s1); +ST_FUNC void check_vstack(void); + +ST_INLN int is_float(int t); +ST_FUNC int ieee_finite(double d); +ST_FUNC int exact_log2p1(int i); +ST_FUNC void test_lvalue(void); + +ST_FUNC ElfSym *elfsym(Sym *); +ST_FUNC void update_storage(Sym *sym); +ST_FUNC void put_extern_sym2(Sym *sym, int sh_num, 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_INLN void sym_free(Sym *sym); +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_FUNC Sym *sym_push2(Sym **ps, int v, int t, int c); +ST_FUNC Sym *sym_find2(Sym *s, int v); +ST_INLN Sym *sym_find(int v); +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_INLN Sym *struct_find(int v); + +ST_FUNC Sym *global_identifier_push(int v, int t, int c); +ST_FUNC Sym *external_global_sym(int v, CType *type); +ST_FUNC Sym *external_helper_sym(int v); +ST_FUNC void vpush_helper_func(int v); +ST_FUNC void vset(CType *type, int r, int v); +ST_FUNC void vset_VT_CMP(int op); +ST_FUNC void vpushi(int v); +ST_FUNC void vpushv(SValue *v); +ST_FUNC void vpushsym(CType *type, Sym *sym); +ST_FUNC void vswap(void); +ST_FUNC void vrote(SValue *e, int n); +ST_FUNC void vrott(int n); +ST_FUNC void vrotb(int n); +ST_FUNC void vpop(void); +#if PTR_SIZE == 4 +ST_FUNC void lexpand(void); +#endif +#ifdef TCC_TARGET_ARM +ST_FUNC int get_reg_ex(int rc, int rc2); +#endif +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 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 CString* parse_mult_str(const char *msg); +ST_FUNC CString* parse_asm_str(void); +ST_FUNC void indir(void); +ST_FUNC void unary(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 +#ifdef CONFIG_TCC_BCHECK +ST_FUNC void gbound_args(int nb_args); +ST_DATA int func_bound_add_epilog; +#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 TCC_OUTPUT_DYN TCC_OUTPUT_DLL + +#define ARMAG "!<arch>\n" /* 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_FUNC void tccelf_new(TCCState *s); +ST_FUNC void tccelf_delete(TCCState *s); +ST_FUNC void tccelf_begin_file(TCCState *s1); +ST_FUNC void tccelf_end_file(TCCState *s1); +#ifdef CONFIG_TCC_BCHECK +ST_FUNC void tccelf_bounds_new(TCCState *s); +#endif +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 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 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 resolve_common_syms(TCCState *s1); +ST_FUNC void relocate_syms(TCCState *s1, Section *symtab, int do_resolve); +ST_FUNC void relocate_sections(TCCState *s1); + +ST_FUNC ssize_t full_read(int fd, void *buf, size_t count); +ST_FUNC void *load_data(int fd, unsigned long file_offset, unsigned long size); +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, int alacarte); +ST_FUNC void add_array(TCCState *s1, const char *sec, int c); + +ST_FUNC struct sym_attr *get_sym_attr(TCCState *s1, int index, int alloc); +ST_FUNC addr_t get_sym_addr(TCCState *s, const char *name, int err, int forc); +ST_FUNC void list_elf_symbols(TCCState *s, void *ctx, + void (*symbol_cb)(void *ctx, const char *name, const void *val)); +ST_FUNC int set_global_sym(TCCState *s1, const char *name, Section *sec, addr_t offs); + +/* Browse each elem of type <type> in section <sec> starting at elem <startoff> + using variable <elem> */ +#define for_each_elem(sec, startoff, elem, type) \ + for (elem = (type *) sec->data + startoff; \ + elem < (type *) (sec->data + sec->data_offset); elem++) + +#ifndef ELF_OBJ_ONLY +ST_FUNC int tcc_load_dll(TCCState *s1, int fd, const char *filename, int level); +ST_FUNC int tcc_load_ldscript(TCCState *s1, int fd); +#endif +#ifndef TCC_TARGET_PE +ST_FUNC void tcc_add_runtime(TCCState *s1); +#endif + +/* ------------ xxx-link.c ------------ */ + +#if !defined ELF_OBJ_ONLY || defined TCC_TARGET_MACHO +ST_FUNC int code_reloc (int reloc_type); +ST_FUNC int gotplt_entry_type (int reloc_type); +/* 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) */ +}; +#define NEED_RELOC_TYPE + +#if !defined TCC_TARGET_MACHO || defined TCC_IS_NATIVE +ST_FUNC unsigned create_plt_entry(TCCState *s1, unsigned got_offset, struct sym_attr *attr); +ST_FUNC void relocate_plt(TCCState *s1); +ST_FUNC void build_got_entries(TCCState *s1, int got_sym); /* in tccelf.c */ +#define NEED_BUILD_GOT + +#endif +#endif + +ST_FUNC void relocate(TCCState *s1, ElfW_Rel *rel, int type, unsigned char *ptr, addr_t addr, addr_t val); + +/* ------------ xxx-gen.c ------------ */ +ST_DATA const char * const target_machine_defs; +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(Sym *func_sym); +ST_FUNC void gfunc_epilog(void); +ST_FUNC void gen_fill_nops(int); +ST_FUNC int gjmp(int t); +ST_FUNC void gjmp_addr(int a); +ST_FUNC int gjmp_cond(int op, int t); +ST_FUNC int gjmp_append(int n, int t); +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_itof(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 +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 || defined TCC_TARGET_ARM +ST_FUNC void g(int c); +ST_FUNC void gen_le16(int c); +ST_FUNC void gen_le32(int c); +#endif +#if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64 +ST_FUNC void gen_addr32(int r, Sym *sym, int c); +ST_FUNC void gen_addrpc32(int r, Sym *sym, int c); +ST_FUNC void gen_cvt_csti(int t); +ST_FUNC void gen_increment_tcov (SValue *sv); +#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); +#ifdef TCC_TARGET_PE +ST_FUNC void gen_vla_result(int addr); +#endif +ST_FUNC void gen_cvt_sxtw(void); +ST_FUNC void gen_cvt_csti(int t); +#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_increment_tcov (SValue *sv); +#endif + +/* ------------ arm64-gen.c ------------ */ +#ifdef TCC_TARGET_ARM64 +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); +ST_FUNC void gen_cvt_sxtw(void); +ST_FUNC void gen_cvt_csti(int t); +ST_FUNC void gen_increment_tcov (SValue *sv); +#endif + +/* ------------ riscv64-gen.c ------------ */ +#ifdef TCC_TARGET_RISCV64 +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 arch_transfer_ret_regs(int); +ST_FUNC void gen_cvt_sxtw(void); +ST_FUNC void gen_increment_tcov (SValue *sv); +#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); +ST_FUNC int tcc_assemble(TCCState *s1, int do_preprocess); +#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); +/* ------------ 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, int fd, const char *filename); +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 +#define ST_ASM_SET 0x04 + +/* ------------ tccmacho.c ----------------- */ +#ifdef TCC_TARGET_MACHO +ST_FUNC int macho_output_file(TCCState * s1, const char *filename); +ST_FUNC int macho_load_dll(TCCState *s1, int fd, const char *filename, int lev); +ST_FUNC int macho_load_tbd(TCCState *s1, int fd, const char *filename, int lev); +#ifdef TCC_IS_NATIVE +ST_FUNC void tcc_add_macos_sdkpath(TCCState* s); +ST_FUNC const char* macho_tbd_soname(const char* filename); +#endif +#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 +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 int tcc_tool_cross(TCCState *s, char **argv, int option); +ST_FUNC int gen_makedeps(TCCState *s, const char *target, const char *filename); +#endif + +/* ------------ tccdbg.c ------------ */ + +ST_FUNC void tcc_debug_new(TCCState *s); + +ST_FUNC void tcc_debug_start(TCCState *s1); +ST_FUNC void tcc_debug_end(TCCState *s1); +ST_FUNC void tcc_debug_bincl(TCCState *s1); +ST_FUNC void tcc_debug_eincl(TCCState *s1); +ST_FUNC void tcc_debug_putfile(TCCState *s1, const char *filename); + +ST_FUNC void tcc_debug_line(TCCState *s1); +ST_FUNC void tcc_add_debug_info(TCCState *s1, int param, Sym *s, Sym *e); +ST_FUNC void tcc_debug_funcstart(TCCState *s1, Sym *sym); +ST_FUNC void tcc_debug_prolog_epilog(TCCState *s1, int value); +ST_FUNC void tcc_debug_funcend(TCCState *s1, int size); +ST_FUNC void tcc_debug_extern_sym(TCCState *s1, Sym *sym, int sh_num, int sym_bind, int sym_type); +ST_FUNC void tcc_debug_typedef(TCCState *s1, Sym *sym); +ST_FUNC void tcc_debug_stabn(TCCState *s1, int type, int value); +ST_FUNC void tcc_debug_fix_anon(TCCState *s1, CType *t); + +ST_FUNC void tcc_tcov_start(TCCState *s1); +ST_FUNC void tcc_tcov_end(TCCState *s1); +ST_FUNC void tcc_tcov_check_line(TCCState *s1, int start); +ST_FUNC void tcc_tcov_block_end(TCCState *s1, int line); +ST_FUNC void tcc_tcov_block_begin(TCCState *s1); +ST_FUNC void tcc_tcov_reset_ind(TCCState *s1); + +#define stab_section s1->stab_section +#define stabstr_section stab_section->link +#define tcov_section s1->tcov_section +#define dwarf_info_section s1->dwarf_info_section +#define dwarf_abbrev_section s1->dwarf_abbrev_section +#define dwarf_line_section s1->dwarf_line_section +#define dwarf_aranges_section s1->dwarf_aranges_section +#define dwarf_str_section s1->dwarf_str_section +#define dwarf_line_str_section s1->dwarf_line_str_section + +/* default dwarf version for "-g". use 0 to emit stab debug infos */ +#ifndef DWARF_VERSION +# define DWARF_VERSION 0 +#endif + +/* default dwarf version for "-gdwarf" */ +#ifdef TCC_TARGET_MACHO +# define DEFAULT_DWARF_VERSION 2 +#else +# define DEFAULT_DWARF_VERSION 5 +#endif + +#if defined TCC_TARGET_PE +# define R_DATA_32DW 'Z' /* fake code to avoid DLL relocs */ +#elif defined TCC_TARGET_X86_64 +# define R_DATA_32DW R_X86_64_32 +#else +# define R_DATA_32DW R_DATA_32 +#endif + +/********************************************************/ +#if CONFIG_TCC_SEMLOCK +#if defined _WIN32 +typedef struct { int init; CRITICAL_SECTION cr; } TCCSem; +#elif defined __APPLE__ +#include <dispatch/dispatch.h> +typedef struct { int init; dispatch_semaphore_t sem; } TCCSem; +#else +#include <semaphore.h> +typedef struct { int init; sem_t sem; } TCCSem; +#endif +ST_FUNC void wait_sem(TCCSem *p); +ST_FUNC void post_sem(TCCSem *p); +#define TCC_SEM(s) TCCSem s +#define WAIT_SEM wait_sem +#define POST_SEM post_sem +#else +#define TCC_SEM(s) +#define WAIT_SEM(p) +#define POST_SEM(p) +#endif + +/********************************************************/ +#undef ST_DATA +#if ONE_SOURCE +#define ST_DATA static +#else +#define ST_DATA +#endif +/********************************************************/ + +#define text_section TCC_STATE_VAR(text_section) +#define data_section TCC_STATE_VAR(data_section) +#define rodata_section TCC_STATE_VAR(rodata_section) +#define bss_section TCC_STATE_VAR(bss_section) +#define common_section TCC_STATE_VAR(common_section) +#define cur_text_section TCC_STATE_VAR(cur_text_section) +#define bounds_section TCC_STATE_VAR(bounds_section) +#define lbounds_section TCC_STATE_VAR(lbounds_section) +#define symtab_section TCC_STATE_VAR(symtab_section) +#define gnu_ext TCC_STATE_VAR(gnu_ext) +#define tcc_error_noabort TCC_SET_STATE(_tcc_error_noabort) +#define tcc_error TCC_SET_STATE(_tcc_error) +#define tcc_warning TCC_SET_STATE(_tcc_warning) + +#define total_idents TCC_STATE_VAR(total_idents) +#define total_lines TCC_STATE_VAR(total_lines) +#define total_bytes TCC_STATE_VAR(total_bytes) + +PUB_FUNC void tcc_enter_state(TCCState *s1); +PUB_FUNC void tcc_exit_state(TCCState *s1); + +/* conditional warning depending on switch */ +#define tcc_warning_c(sw) TCC_SET_STATE((\ + tcc_state->warn_num = offsetof(TCCState, sw) \ + - offsetof(TCCState, warn_none), _tcc_warning)) + +/********************************************************/ +#endif /* _TCC_H */ + +#undef TCC_STATE_VAR +#undef TCC_SET_STATE + +#ifdef USING_GLOBALS +# define TCC_STATE_VAR(sym) tcc_state->sym +# define TCC_SET_STATE(fn) fn +# undef USING_GLOBALS +# undef _tcc_error +#else +# define TCC_STATE_VAR(sym) s1->sym +# define TCC_SET_STATE(fn) (tcc_enter_state(s1),fn) +# define _tcc_error use_tcc_error_noabort +#endif |