Alien-TinyCCx
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/* 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 */
PUB_FUNC char *pstrcpy(char *buf, int buf_size, const char *s);
PUB_FUNC char *pstrcat(char *buf, int buf_size, const char *s);
PUB_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_memstats(int bench);
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, long 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);
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_PREPROCESS 0x40 /* preprocess file */
/* combined with: */
#define AFF_TYPE_NONE 0
#define AFF_TYPE_C 1
#define AFF_TYPE_ASM 2
#define AFF_TYPE_ASMPP 3
#define AFF_TYPE_BIN 4
#define AFF_TYPE_LIB 5
#define AFF_TYPE_LIBWH 6
/* 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);
#ifndef TCC_TARGET_PE
ST_FUNC int tcc_add_dll(TCCState *s, const char *filename, int flags);
#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);
PUB_FUNC void tcc_set_environment(TCCState *s);
#ifdef _WIN32
ST_FUNC char *normalize_slashes(char *path);
#endif
/* ------------ 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 PARSE_FLAG_TOK_STR 0x0040 /* return parsed strings instead of TOK_PPSTR */
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 void save_parse_state(ParseState *s);
ST_FUNC void restore_parse_state(ParseState *s);
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);
/* #ifdef CONFIG_TCC_EXSYMTAB */
ST_INLN void define_push_old(int v, int macro_type, int *str, Sym *first_arg);
/* #endif */
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);
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);
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 exlcuding 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_FUNC void tccgen_start(TCCState *s1);
ST_FUNC void tccgen_end(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 swap(int *p, int *q);
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_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);
ST_FUNC void decl(int l);
#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 *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 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);
ST_FUNC void greloc(Section *s, Sym *sym, unsigned long offset, int type);
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 add_elf_sym(Section *s, addr_t value, unsigned long size, int info, int other, int sh_num, 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, int do_resolve);
ST_FUNC void relocate_section(TCCState *s1, Section *s);
ST_FUNC void relocate_plt(TCCState *s1);
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 build_got_entries(TCCState *s1);
ST_FUNC void tcc_add_runtime(TCCState *s1);
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);
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 int oad(int c, int s);
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)
ST_FUNC char *default_elfinterp(struct TCCState *s);
#endif
ST_FUNC void arm_init(struct TCCState *s);
ST_FUNC uint32_t encbranch(int pos, int addr, int fail);
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 greturn(void);
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 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);
ST_FUNC void asm_opcode(TCCState *s1, int opcode);
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);
#ifndef TCC_TARGET_ARM
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
/* symbol properties stored in Elf32_Sym->st_other */
# define ST_PE_EXPORT 0x10
# define ST_PE_IMPORT 0x20
# define ST_PE_STDCALL 0x40
#endif
/* #ifdef CONFIG_TCC_EXSYMTAB */
/* ------------ tccexsymtab.c ----------------- */
#include "tccexsymtab.h"
/* #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
/********************************************************/
#undef ST_DATA
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