mirror of
https://github.com/frida/tinycc
synced 2024-12-24 05:56:49 +03:00
move declarations to tcc.h
This commit is contained in:
grischka
parent
a93bcdffae
commit
ae37bd5abc
936
tcc.c
936
tcc.c
@ -17,942 +17,8 @@
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#define _GNU_SOURCE
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#include "config.h"
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#ifdef CONFIG_TCCBOOT
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#include "tccboot.h"
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#define CONFIG_TCC_STATIC
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#else
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#include <stdlib.h>
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#include <stdio.h>
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#include <stdarg.h>
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#include <string.h>
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#include <errno.h>
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#include <math.h>
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#include <signal.h>
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#include <fcntl.h>
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#include <setjmp.h>
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#include <time.h>
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#ifdef _WIN32
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#include <windows.h>
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#include <sys/timeb.h>
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#ifdef _MSC_VER
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#define inline __inline
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#endif
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#endif
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#ifndef _WIN32
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#include <unistd.h>
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#include <sys/time.h>
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#include <sys/ucontext.h>
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#include <sys/mman.h>
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#endif
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#endif /* !CONFIG_TCCBOOT */
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#ifndef PAGESIZE
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#define PAGESIZE 4096
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#endif
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#include "elf.h"
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#include "stab.h"
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#ifndef O_BINARY
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#define O_BINARY 0
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#endif
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#include "libtcc.h"
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/* parser debug */
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//#define PARSE_DEBUG
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/* preprocessor debug */
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//#define PP_DEBUG
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/* include file debug */
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//#define INC_DEBUG
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//#define MEM_DEBUG
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/* assembler debug */
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//#define ASM_DEBUG
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/* target selection */
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//#define TCC_TARGET_I386 /* i386 code generator */
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//#define TCC_TARGET_ARM /* ARMv4 code generator */
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//#define TCC_TARGET_C67 /* TMS320C67xx code generator */
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//#define TCC_TARGET_X86_64 /* x86-64 code generator */
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/* default target is I386 */
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#if !defined(TCC_TARGET_I386) && !defined(TCC_TARGET_ARM) && \
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!defined(TCC_TARGET_C67) && !defined(TCC_TARGET_X86_64)
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#define TCC_TARGET_I386
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#endif
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#if !defined(_WIN32) && !defined(TCC_UCLIBC) && !defined(TCC_TARGET_ARM) && \
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!defined(TCC_TARGET_C67) && !defined(TCC_TARGET_X86_64)
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#define CONFIG_TCC_BCHECK /* enable bound checking code */
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#endif
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#if defined(_WIN32) && !defined(TCC_TARGET_PE)
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#define CONFIG_TCC_STATIC
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#endif
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/* define it to include assembler support */
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#if !defined(TCC_TARGET_ARM) && !defined(TCC_TARGET_C67) && \
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!defined(TCC_TARGET_X86_64)
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#define CONFIG_TCC_ASM
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#endif
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/* object format selection */
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#if defined(TCC_TARGET_C67)
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#define TCC_TARGET_COFF
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#endif
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#if !defined(_WIN32) && !defined(CONFIG_TCCBOOT)
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#define CONFIG_TCC_BACKTRACE
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#endif
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#define FALSE 0
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#define false 0
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#define TRUE 1
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#define true 1
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typedef int BOOL;
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/* path to find crt1.o, crti.o and crtn.o. Only needed when generating
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executables or dlls */
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#define CONFIG_TCC_CRT_PREFIX CONFIG_SYSROOT "/usr/lib"
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#define INCLUDE_STACK_SIZE 32
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#define IFDEF_STACK_SIZE 64
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#define VSTACK_SIZE 256
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#define STRING_MAX_SIZE 1024
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#define PACK_STACK_SIZE 8
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#define TOK_HASH_SIZE 8192 /* must be a power of two */
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#define TOK_ALLOC_INCR 512 /* must be a power of two */
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#define TOK_MAX_SIZE 4 /* token max size in int unit when stored in string */
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/* token symbol management */
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typedef struct TokenSym {
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struct TokenSym *hash_next;
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struct Sym *sym_define; /* direct pointer to define */
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struct Sym *sym_label; /* direct pointer to label */
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struct Sym *sym_struct; /* direct pointer to structure */
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struct Sym *sym_identifier; /* direct pointer to identifier */
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int tok; /* token number */
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int len;
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char str[1];
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} TokenSym;
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#ifdef TCC_TARGET_PE
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typedef unsigned short nwchar_t;
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#else
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typedef int nwchar_t;
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#endif
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typedef struct CString {
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int size; /* size in bytes */
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void *data; /* either 'char *' or 'nwchar_t *' */
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int size_allocated;
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void *data_allocated; /* if non NULL, data has been malloced */
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} CString;
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/* type definition */
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typedef struct CType {
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int t;
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struct Sym *ref;
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} CType;
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/* constant value */
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typedef union CValue {
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long double ld;
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double d;
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float f;
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int i;
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unsigned int ui;
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unsigned int ul; /* address (should be unsigned long on 64 bit cpu) */
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long long ll;
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unsigned long long ull;
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struct CString *cstr;
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void *ptr;
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int tab[1];
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} CValue;
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/* value on stack */
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typedef struct SValue {
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CType type; /* type */
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unsigned short r; /* register + flags */
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unsigned short r2; /* second register, used for 'long long'
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type. If not used, set to VT_CONST */
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CValue c; /* constant, if VT_CONST */
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struct Sym *sym; /* symbol, if (VT_SYM | VT_CONST) */
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} SValue;
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/* symbol management */
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typedef struct Sym {
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int v; /* symbol token */
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long r; /* associated register */
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long c; /* associated number */
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CType type; /* associated type */
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struct Sym *next; /* next related symbol */
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struct Sym *prev; /* prev symbol in stack */
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struct Sym *prev_tok; /* previous symbol for this token */
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} Sym;
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/* section definition */
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/* XXX: use directly ELF structure for parameters ? */
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/* special flag to indicate that the section should not be linked to
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the other ones */
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#define SHF_PRIVATE 0x80000000
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typedef struct Section {
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unsigned long data_offset; /* current data offset */
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unsigned char *data; /* section data */
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unsigned long data_allocated; /* used for realloc() handling */
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int sh_name; /* elf section name (only used during output) */
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int sh_num; /* elf section number */
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int sh_type; /* elf section type */
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int sh_flags; /* elf section flags */
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int sh_info; /* elf section info */
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int sh_addralign; /* elf section alignment */
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int sh_entsize; /* elf entry size */
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unsigned long sh_size; /* section size (only used during output) */
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unsigned long sh_addr; /* address at which the section is relocated */
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unsigned long sh_offset; /* file offset */
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int nb_hashed_syms; /* used to resize the hash table */
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struct Section *link; /* link to another section */
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struct Section *reloc; /* corresponding section for relocation, if any */
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struct Section *hash; /* hash table for symbols */
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struct Section *next;
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char name[1]; /* section name */
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} Section;
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typedef struct DLLReference {
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int level;
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void *handle;
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char name[1];
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} DLLReference;
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/* GNUC attribute definition */
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typedef struct AttributeDef {
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int aligned;
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int packed;
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Section *section;
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int func_attr; /* calling convention, exports, ... */
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} AttributeDef;
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/* -------------------------------------------------- */
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/* gr: wrappers for casting sym->r for other purposes */
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typedef struct {
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unsigned
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func_call : 8,
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func_args : 8,
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func_export : 1;
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} func_attr_t;
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#define FUNC_CALL(r) (((func_attr_t*)&(r))->func_call)
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#define FUNC_EXPORT(r) (((func_attr_t*)&(r))->func_export)
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#define FUNC_ARGS(r) (((func_attr_t*)&(r))->func_args)
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#define INLINE_DEF(r) (*(int **)&(r))
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/* -------------------------------------------------- */
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#define SYM_STRUCT 0x40000000 /* struct/union/enum symbol space */
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#define SYM_FIELD 0x20000000 /* struct/union field symbol space */
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#define SYM_FIRST_ANOM 0x10000000 /* first anonymous sym */
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/* stored in 'Sym.c' field */
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#define FUNC_NEW 1 /* ansi function prototype */
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#define FUNC_OLD 2 /* old function prototype */
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#define FUNC_ELLIPSIS 3 /* ansi function prototype with ... */
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/* stored in 'Sym.r' field */
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#define FUNC_CDECL 0 /* standard c call */
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#define FUNC_STDCALL 1 /* pascal c call */
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#define FUNC_FASTCALL1 2 /* first param in %eax */
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#define FUNC_FASTCALL2 3 /* first parameters in %eax, %edx */
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#define FUNC_FASTCALL3 4 /* first parameter in %eax, %edx, %ecx */
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#define FUNC_FASTCALLW 5 /* first parameter in %ecx, %edx */
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/* field 'Sym.t' for macros */
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#define MACRO_OBJ 0 /* object like macro */
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#define MACRO_FUNC 1 /* function like macro */
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/* field 'Sym.r' for C labels */
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#define LABEL_DEFINED 0 /* label is defined */
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#define LABEL_FORWARD 1 /* label is forward defined */
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#define LABEL_DECLARED 2 /* label is declared but never used */
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/* type_decl() types */
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#define TYPE_ABSTRACT 1 /* type without variable */
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#define TYPE_DIRECT 2 /* type with variable */
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#define IO_BUF_SIZE 8192
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typedef struct BufferedFile {
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uint8_t *buf_ptr;
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uint8_t *buf_end;
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int fd;
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int line_num; /* current line number - here to simplify code */
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int ifndef_macro; /* #ifndef macro / #endif search */
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int ifndef_macro_saved; /* saved ifndef_macro */
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int *ifdef_stack_ptr; /* ifdef_stack value at the start of the file */
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char inc_type; /* type of include */
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char inc_filename[512]; /* filename specified by the user */
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char filename[1024]; /* current filename - here to simplify code */
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unsigned char buffer[IO_BUF_SIZE + 1]; /* extra size for CH_EOB char */
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} BufferedFile;
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#define CH_EOB '\\' /* end of buffer or '\0' char in file */
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#define CH_EOF (-1) /* end of file */
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/* parsing state (used to save parser state to reparse part of the
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source several times) */
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typedef struct ParseState {
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int *macro_ptr;
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int line_num;
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int tok;
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CValue tokc;
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} ParseState;
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/* used to record tokens */
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typedef struct TokenString {
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int *str;
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int len;
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int allocated_len;
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int last_line_num;
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} TokenString;
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/* include file cache, used to find files faster and also to eliminate
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inclusion if the include file is protected by #ifndef ... #endif */
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typedef struct CachedInclude {
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int ifndef_macro;
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int hash_next; /* -1 if none */
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char type; /* '"' or '>' to give include type */
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char filename[1]; /* path specified in #include */
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} CachedInclude;
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#define CACHED_INCLUDES_HASH_SIZE 512
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/* parser */
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static struct BufferedFile *file;
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static int ch, tok;
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static CValue tokc;
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static CString tokcstr; /* current parsed string, if any */
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/* additional informations about token */
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static int tok_flags;
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#define TOK_FLAG_BOL 0x0001 /* beginning of line before */
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#define TOK_FLAG_BOF 0x0002 /* beginning of file before */
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#define TOK_FLAG_ENDIF 0x0004 /* a endif was found matching starting #ifdef */
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#define TOK_FLAG_EOF 0x0008 /* end of file */
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static int *macro_ptr, *macro_ptr_allocated;
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static int *unget_saved_macro_ptr;
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static int unget_saved_buffer[TOK_MAX_SIZE + 1];
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static int unget_buffer_enabled;
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static int parse_flags;
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#define PARSE_FLAG_PREPROCESS 0x0001 /* activate preprocessing */
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#define PARSE_FLAG_TOK_NUM 0x0002 /* return numbers instead of TOK_PPNUM */
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#define PARSE_FLAG_LINEFEED 0x0004 /* line feed is returned as a
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token. line feed is also
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returned at eof */
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#define PARSE_FLAG_ASM_COMMENTS 0x0008 /* '#' can be used for line comment */
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#define PARSE_FLAG_SPACES 0x0010 /* next() returns space tokens (for -E) */
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static Section *text_section, *data_section, *bss_section; /* predefined sections */
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static Section *cur_text_section; /* current section where function code is
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generated */
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#ifdef CONFIG_TCC_ASM
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static Section *last_text_section; /* to handle .previous asm directive */
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#endif
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/* bound check related sections */
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static Section *bounds_section; /* contains global data bound description */
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static Section *lbounds_section; /* contains local data bound description */
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/* symbol sections */
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static Section *symtab_section, *strtab_section;
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/* debug sections */
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static Section *stab_section, *stabstr_section;
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/* loc : local variable index
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ind : output code index
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rsym: return symbol
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anon_sym: anonymous symbol index
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*/
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static int rsym, anon_sym, ind, loc;
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/* expression generation modifiers */
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static int const_wanted; /* true if constant wanted */
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static int nocode_wanted; /* true if no code generation wanted for an expression */
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static int global_expr; /* true if compound literals must be allocated
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globally (used during initializers parsing */
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static CType func_vt; /* current function return type (used by return
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instruction) */
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static int func_vc;
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static int last_line_num, last_ind, func_ind; /* debug last line number and pc */
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static int tok_ident;
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static TokenSym **table_ident;
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static TokenSym *hash_ident[TOK_HASH_SIZE];
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static char token_buf[STRING_MAX_SIZE + 1];
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static char *funcname;
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static Sym *global_stack, *local_stack;
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static Sym *define_stack;
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static Sym *global_label_stack, *local_label_stack;
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/* symbol allocator */
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#define SYM_POOL_NB (8192 / sizeof(Sym))
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static Sym *sym_free_first;
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static void **sym_pools;
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static int nb_sym_pools;
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static SValue vstack[VSTACK_SIZE], *vtop;
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/* some predefined types */
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static CType char_pointer_type, func_old_type, int_type;
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/* true if isid(c) || isnum(c) */
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static unsigned char isidnum_table[256-CH_EOF];
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/* display some information during compilation */
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static int verbose = 0;
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/* compile with debug symbol (and use them if error during execution) */
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static int do_debug = 0;
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/* compile with built-in memory and bounds checker */
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static int do_bounds_check = 0;
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/* display benchmark infos */
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#if !defined(LIBTCC)
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static int do_bench = 0;
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#endif
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static int total_lines;
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static int total_bytes;
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/* use GNU C extensions */
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static int gnu_ext = 1;
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/* use Tiny C extensions */
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static int tcc_ext = 1;
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/* max number of callers shown if error */
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#ifdef CONFIG_TCC_BACKTRACE
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static int num_callers = 6;
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static const char **rt_bound_error_msg;
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#endif
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/* XXX: get rid of this ASAP */
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static struct TCCState *tcc_state;
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/* give the path of the tcc libraries */
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static const char *tcc_lib_path = CONFIG_TCCDIR;
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struct TCCState {
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int output_type;
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BufferedFile **include_stack_ptr;
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int *ifdef_stack_ptr;
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/* include file handling */
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char **include_paths;
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int nb_include_paths;
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char **sysinclude_paths;
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int nb_sysinclude_paths;
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CachedInclude **cached_includes;
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int nb_cached_includes;
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char **library_paths;
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int nb_library_paths;
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/* array of all loaded dlls (including those referenced by loaded
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dlls) */
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DLLReference **loaded_dlls;
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int nb_loaded_dlls;
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/* sections */
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Section **sections;
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int nb_sections; /* number of sections, including first dummy section */
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Section **priv_sections;
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int nb_priv_sections; /* number of private sections */
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/* got handling */
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Section *got;
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Section *plt;
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unsigned long *got_offsets;
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int nb_got_offsets;
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/* give the correspondance from symtab indexes to dynsym indexes */
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int *symtab_to_dynsym;
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/* temporary dynamic symbol sections (for dll loading) */
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Section *dynsymtab_section;
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/* exported dynamic symbol section */
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Section *dynsym;
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int nostdinc; /* if true, no standard headers are added */
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int nostdlib; /* if true, no standard libraries are added */
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int nocommon; /* if true, do not use common symbols for .bss data */
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/* if true, static linking is performed */
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int static_link;
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/* soname as specified on the command line (-soname) */
|
||||
const char *soname;
|
||||
|
||||
/* if true, all symbols are exported */
|
||||
int rdynamic;
|
||||
|
||||
/* if true, only link in referenced objects from archive */
|
||||
int alacarte_link;
|
||||
|
||||
/* address of text section */
|
||||
unsigned long text_addr;
|
||||
int has_text_addr;
|
||||
|
||||
/* output format, see TCC_OUTPUT_FORMAT_xxx */
|
||||
int output_format;
|
||||
|
||||
/* C language options */
|
||||
int char_is_unsigned;
|
||||
int leading_underscore;
|
||||
|
||||
/* warning switches */
|
||||
int warn_write_strings;
|
||||
int warn_unsupported;
|
||||
int warn_error;
|
||||
int warn_none;
|
||||
int warn_implicit_function_declaration;
|
||||
|
||||
/* 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;
|
||||
|
||||
/* tiny assembler state */
|
||||
Sym *asm_labels;
|
||||
|
||||
/* see include_stack_ptr */
|
||||
BufferedFile *include_stack[INCLUDE_STACK_SIZE];
|
||||
|
||||
/* see ifdef_stack_ptr */
|
||||
int ifdef_stack[IFDEF_STACK_SIZE];
|
||||
|
||||
/* see cached_includes */
|
||||
int cached_includes_hash[CACHED_INCLUDES_HASH_SIZE];
|
||||
|
||||
/* pack stack */
|
||||
int pack_stack[PACK_STACK_SIZE];
|
||||
int *pack_stack_ptr;
|
||||
|
||||
/* output file for preprocessing */
|
||||
FILE *outfile;
|
||||
|
||||
/* for tcc_relocate */
|
||||
int runtime_added;
|
||||
|
||||
#ifdef TCC_TARGET_X86_64
|
||||
/* write PLT and GOT here */
|
||||
char *runtime_plt_and_got;
|
||||
unsigned int runtime_plt_and_got_offset;
|
||||
#endif
|
||||
};
|
||||
|
||||
/* The current value can be: */
|
||||
#define VT_VALMASK 0x00ff
|
||||
#define VT_CONST 0x00f0 /* constant in vc
|
||||
(must be first non register value) */
|
||||
#define VT_LLOCAL 0x00f1 /* lvalue, offset on stack */
|
||||
#define VT_LOCAL 0x00f2 /* offset on stack */
|
||||
#define VT_CMP 0x00f3 /* the value is stored in processor flags (in vc) */
|
||||
#define VT_JMP 0x00f4 /* value is the consequence of jmp true (even) */
|
||||
#define VT_JMPI 0x00f5 /* 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_INT 0 /* integer type */
|
||||
#define VT_BYTE 1 /* signed byte type */
|
||||
#define VT_SHORT 2 /* short type */
|
||||
#define VT_VOID 3 /* void type */
|
||||
#define VT_PTR 4 /* pointer */
|
||||
#define VT_ENUM 5 /* enum definition */
|
||||
#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_LLONG 12 /* 64 bit integer */
|
||||
#define VT_LONG 13 /* long integer (NEVER USED as type, only
|
||||
during parsing) */
|
||||
#define VT_BTYPE 0x000f /* mask for basic type */
|
||||
#define VT_UNSIGNED 0x0010 /* unsigned type */
|
||||
#define VT_ARRAY 0x0020 /* array type (also has VT_PTR) */
|
||||
#define VT_BITFIELD 0x0040 /* bitfield modifier */
|
||||
#define VT_CONSTANT 0x0800 /* const modifier */
|
||||
#define VT_VOLATILE 0x1000 /* volatile modifier */
|
||||
#define VT_SIGNED 0x2000 /* signed type */
|
||||
|
||||
/* storage */
|
||||
#define VT_EXTERN 0x00000080 /* extern definition */
|
||||
#define VT_STATIC 0x00000100 /* static variable */
|
||||
#define VT_TYPEDEF 0x00000200 /* typedef definition */
|
||||
#define VT_INLINE 0x00000400 /* inline definition */
|
||||
|
||||
#define VT_STRUCT_SHIFT 16 /* shift for bitfield shift values */
|
||||
|
||||
/* type mask (except storage) */
|
||||
#define VT_STORAGE (VT_EXTERN | VT_STATIC | VT_TYPEDEF | VT_INLINE)
|
||||
#define VT_TYPE (~(VT_STORAGE))
|
||||
|
||||
/* 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 */
|
||||
#define TOK_CINT 0xb3 /* number in tokc */
|
||||
#define TOK_CCHAR 0xb4 /* char constant in tokc */
|
||||
#define TOK_STR 0xb5 /* pointer to string in tokc */
|
||||
#define TOK_TWOSHARPS 0xb6 /* ## preprocessing token */
|
||||
#define TOK_LCHAR 0xb7
|
||||
#define TOK_LSTR 0xb8
|
||||
#define TOK_CFLOAT 0xb9 /* float constant */
|
||||
#define TOK_LINENUM 0xba /* line number info */
|
||||
#define TOK_CDOUBLE 0xc0 /* double constant */
|
||||
#define TOK_CLDOUBLE 0xc1 /* long double constant */
|
||||
#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_CUINT 0xc8 /* unsigned int constant */
|
||||
#define TOK_CLLONG 0xc9 /* long long constant */
|
||||
#define TOK_CULLONG 0xca /* unsigned long long constant */
|
||||
#define TOK_ARROW 0xcb
|
||||
#define TOK_DOTS 0xcc /* three dots */
|
||||
#define TOK_SHR 0xcd /* unsigned shift right */
|
||||
#define TOK_PPNUM 0xce /* preprocessor number */
|
||||
|
||||
#define TOK_SHL 0x01 /* shift left */
|
||||
#define TOK_SAR 0x02 /* signed shift right */
|
||||
|
||||
/* assignement 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
|
||||
|
||||
#ifndef offsetof
|
||||
#define offsetof(type, field) ((size_t) &((type *)0)->field)
|
||||
#endif
|
||||
|
||||
#ifndef countof
|
||||
#define countof(tab) (sizeof(tab) / sizeof((tab)[0]))
|
||||
#endif
|
||||
|
||||
/* WARNING: the content of this string encodes token numbers */
|
||||
static char tok_two_chars[] = "<=\236>=\235!=\225&&\240||\241++\244--\242==\224<<\1>>\2+=\253-=\255*=\252/=\257%=\245&=\246^=\336|=\374->\313..\250##\266";
|
||||
|
||||
#define TOK_EOF (-1) /* end of file */
|
||||
#define TOK_LINEFEED 10 /* line feed */
|
||||
|
||||
/* all identificators and strings have token above that */
|
||||
#define TOK_IDENT 256
|
||||
|
||||
/* only used for i386 asm opcodes definitions */
|
||||
#define DEF_ASM(x) DEF(TOK_ASM_ ## x, #x)
|
||||
|
||||
#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)
|
||||
|
||||
#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) \
|
||||
DEF_ASM(x ## o) \
|
||||
DEF_ASM(x ## no) \
|
||||
DEF_ASM(x ## b) \
|
||||
DEF_ASM(x ## c) \
|
||||
DEF_ASM(x ## nae) \
|
||||
DEF_ASM(x ## nb) \
|
||||
DEF_ASM(x ## nc) \
|
||||
DEF_ASM(x ## ae) \
|
||||
DEF_ASM(x ## e) \
|
||||
DEF_ASM(x ## z) \
|
||||
DEF_ASM(x ## ne) \
|
||||
DEF_ASM(x ## nz) \
|
||||
DEF_ASM(x ## be) \
|
||||
DEF_ASM(x ## na) \
|
||||
DEF_ASM(x ## nbe) \
|
||||
DEF_ASM(x ## a) \
|
||||
DEF_ASM(x ## s) \
|
||||
DEF_ASM(x ## ns) \
|
||||
DEF_ASM(x ## p) \
|
||||
DEF_ASM(x ## pe) \
|
||||
DEF_ASM(x ## np) \
|
||||
DEF_ASM(x ## po) \
|
||||
DEF_ASM(x ## l) \
|
||||
DEF_ASM(x ## nge) \
|
||||
DEF_ASM(x ## nl) \
|
||||
DEF_ASM(x ## ge) \
|
||||
DEF_ASM(x ## le) \
|
||||
DEF_ASM(x ## ng) \
|
||||
DEF_ASM(x ## nle) \
|
||||
DEF_ASM(x ## g)
|
||||
|
||||
#define TOK_ASM_int TOK_INT
|
||||
|
||||
enum tcc_token {
|
||||
TOK_LAST = TOK_IDENT - 1,
|
||||
#define DEF(id, str) id,
|
||||
#include "tcctok.h"
|
||||
#undef DEF
|
||||
};
|
||||
|
||||
static const char tcc_keywords[] =
|
||||
#define DEF(id, str) str "\0"
|
||||
#include "tcctok.h"
|
||||
#undef DEF
|
||||
;
|
||||
|
||||
#define TOK_UIDENT TOK_DEFINE
|
||||
|
||||
#ifdef _WIN32
|
||||
#define snprintf _snprintf
|
||||
#define vsnprintf _vsnprintf
|
||||
#ifndef __GNUC__
|
||||
#define strtold (long double)strtod
|
||||
#define strtof (float)strtod
|
||||
#define strtoll (long long)strtol
|
||||
#endif
|
||||
#elif defined(TCC_UCLIBC) || defined(__FreeBSD__) || defined(__DragonFly__) \
|
||||
|| defined(__OpenBSD__)
|
||||
/* currently incorrect */
|
||||
long double strtold(const char *nptr, char **endptr)
|
||||
{
|
||||
return (long double)strtod(nptr, endptr);
|
||||
}
|
||||
float strtof(const char *nptr, char **endptr)
|
||||
{
|
||||
return (float)strtod(nptr, endptr);
|
||||
}
|
||||
#else
|
||||
/* 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
|
||||
|
||||
static char *pstrcpy(char *buf, int buf_size, const char *s);
|
||||
static char *pstrcat(char *buf, int buf_size, const char *s);
|
||||
static char *tcc_basename(const char *name);
|
||||
static char *tcc_fileextension (const char *p);
|
||||
|
||||
static void next(void);
|
||||
static void next_nomacro(void);
|
||||
static void next_nomacro_spc(void);
|
||||
static void parse_expr_type(CType *type);
|
||||
static void expr_type(CType *type);
|
||||
static void unary_type(CType *type);
|
||||
static void block(int *bsym, int *csym, int *case_sym, int *def_sym,
|
||||
int case_reg, int is_expr);
|
||||
static int expr_const(void);
|
||||
static void expr_eq(void);
|
||||
static void gexpr(void);
|
||||
static void gen_inline_functions(void);
|
||||
static void decl(int l);
|
||||
static void decl_initializer(CType *type, Section *sec, unsigned long c,
|
||||
int first, int size_only);
|
||||
static void decl_initializer_alloc(CType *type, AttributeDef *ad, int r,
|
||||
int has_init, int v, int scope);
|
||||
int gv(int rc);
|
||||
void gv2(int rc1, int rc2);
|
||||
void move_reg(int r, int s);
|
||||
void save_regs(int n);
|
||||
void save_reg(int r);
|
||||
void vpop(void);
|
||||
void vswap(void);
|
||||
void vdup(void);
|
||||
int get_reg(int rc);
|
||||
int get_reg_ex(int rc,int rc2);
|
||||
|
||||
struct macro_level {
|
||||
struct macro_level *prev;
|
||||
int *p;
|
||||
};
|
||||
|
||||
static void macro_subst(TokenString *tok_str, Sym **nested_list,
|
||||
const int *macro_str, struct macro_level **can_read_stream);
|
||||
void gen_op(int op);
|
||||
void force_charshort_cast(int t);
|
||||
static void gen_cast(CType *type);
|
||||
void vstore(void);
|
||||
static Sym *sym_find(int v);
|
||||
static Sym *sym_push(int v, CType *type, int r, int c);
|
||||
|
||||
/* type handling */
|
||||
static int type_size(CType *type, int *a);
|
||||
static inline CType *pointed_type(CType *type);
|
||||
static int pointed_size(CType *type);
|
||||
static int lvalue_type(int t);
|
||||
static int parse_btype(CType *type, AttributeDef *ad);
|
||||
static void type_decl(CType *type, AttributeDef *ad, int *v, int td);
|
||||
static int compare_types(CType *type1, CType *type2, int unqualified);
|
||||
static int is_compatible_types(CType *type1, CType *type2);
|
||||
static int is_compatible_parameter_types(CType *type1, CType *type2);
|
||||
|
||||
int ieee_finite(double d);
|
||||
void error(const char *fmt, ...);
|
||||
void vpushi(int v);
|
||||
void vpushll(long long v);
|
||||
void vrott(int n);
|
||||
void vnrott(int n);
|
||||
void lexpand_nr(void);
|
||||
static void vpush_global_sym(CType *type, int v);
|
||||
void vset(CType *type, int r, int v);
|
||||
void type_to_str(char *buf, int buf_size,
|
||||
CType *type, const char *varstr);
|
||||
char *get_tok_str(int v, CValue *cv);
|
||||
static Sym *get_sym_ref(CType *type, Section *sec,
|
||||
unsigned long offset, unsigned long size);
|
||||
static Sym *external_global_sym(int v, CType *type, int r);
|
||||
|
||||
/* section generation */
|
||||
static void section_realloc(Section *sec, unsigned long new_size);
|
||||
static void *section_ptr_add(Section *sec, unsigned long size);
|
||||
static void put_extern_sym(Sym *sym, Section *section,
|
||||
unsigned long value, unsigned long size);
|
||||
static void greloc(Section *s, Sym *sym, unsigned long addr, int type);
|
||||
static int put_elf_str(Section *s, const char *sym);
|
||||
static int put_elf_sym(Section *s,
|
||||
unsigned long value, unsigned long size,
|
||||
int info, int other, int shndx, const char *name);
|
||||
static int add_elf_sym(Section *s, unsigned long value, unsigned long size,
|
||||
int info, int other, int sh_num, const char *name);
|
||||
static void put_elf_reloc(Section *symtab, Section *s, unsigned long offset,
|
||||
int type, int symbol);
|
||||
static void put_stabs(const char *str, int type, int other, int desc,
|
||||
unsigned long value);
|
||||
static void put_stabs_r(const char *str, int type, int other, int desc,
|
||||
unsigned long value, Section *sec, int sym_index);
|
||||
static void put_stabn(int type, int other, int desc, int value);
|
||||
static void put_stabd(int type, int other, int desc);
|
||||
static int tcc_add_dll(TCCState *s, const char *filename, int flags);
|
||||
|
||||
#define AFF_PRINT_ERROR 0x0001 /* print error if file not found */
|
||||
#define AFF_REFERENCED_DLL 0x0002 /* load a referenced dll from another dll */
|
||||
#define AFF_PREPROCESS 0x0004 /* preprocess file */
|
||||
static int tcc_add_file_internal(TCCState *s, const char *filename, int flags);
|
||||
|
||||
/* tcccoff.c */
|
||||
int tcc_output_coff(TCCState *s1, FILE *f);
|
||||
|
||||
/* tccpe.c */
|
||||
void *resolve_sym(TCCState *s1, const char *sym, int type);
|
||||
int pe_load_def_file(struct TCCState *s1, int fd);
|
||||
int pe_test_res_file(void *v, int size);
|
||||
int pe_load_res_file(struct TCCState *s1, int fd);
|
||||
void pe_add_runtime(struct TCCState *s1);
|
||||
void pe_guess_outfile(char *objfilename, int output_type);
|
||||
int pe_output_file(struct TCCState *s1, const char *filename);
|
||||
|
||||
/* tccasm.c */
|
||||
|
||||
#ifdef CONFIG_TCC_ASM
|
||||
|
||||
typedef struct ExprValue {
|
||||
uint32_t v;
|
||||
Sym *sym;
|
||||
} ExprValue;
|
||||
|
||||
#define MAX_ASM_OPERANDS 30
|
||||
|
||||
typedef struct ASMOperand {
|
||||
int id; /* GCC 3 optionnal 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;
|
||||
|
||||
static void asm_expr(TCCState *s1, ExprValue *pe);
|
||||
static int asm_int_expr(TCCState *s1);
|
||||
static int find_constraint(ASMOperand *operands, int nb_operands,
|
||||
const char *name, const char **pp);
|
||||
|
||||
static int tcc_assemble(TCCState *s1, int do_preprocess);
|
||||
|
||||
#endif
|
||||
|
||||
static void asm_instr(void);
|
||||
static void asm_global_instr(void);
|
||||
|
||||
/* true if float/double/long double type */
|
||||
static inline int is_float(int t)
|
||||
{
|
||||
int bt;
|
||||
bt = t & VT_BTYPE;
|
||||
return bt == VT_LDOUBLE || bt == VT_DOUBLE || bt == VT_FLOAT;
|
||||
}
|
||||
#include "tcc.h"
|
||||
|
||||
#ifdef TCC_TARGET_I386
|
||||
#include "i386-gen.c"
|
||||
|
||||
937
tcc.h
937
tcc.h
@ -18,3 +18,940 @@
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*/
|
||||
|
||||
#define _GNU_SOURCE
|
||||
#include "config.h"
|
||||
|
||||
#ifdef CONFIG_TCCBOOT
|
||||
|
||||
#include "tccboot.h"
|
||||
#define CONFIG_TCC_STATIC
|
||||
|
||||
#else
|
||||
|
||||
#include <stdlib.h>
|
||||
#include <stdio.h>
|
||||
#include <stdarg.h>
|
||||
#include <string.h>
|
||||
#include <errno.h>
|
||||
#include <math.h>
|
||||
#include <signal.h>
|
||||
#include <fcntl.h>
|
||||
#include <setjmp.h>
|
||||
#include <time.h>
|
||||
|
||||
#ifdef _WIN32
|
||||
#include <windows.h>
|
||||
#include <sys/timeb.h>
|
||||
#ifdef _MSC_VER
|
||||
#define inline __inline
|
||||
#endif
|
||||
#endif
|
||||
|
||||
#ifndef _WIN32
|
||||
#include <unistd.h>
|
||||
#include <sys/time.h>
|
||||
#include <sys/ucontext.h>
|
||||
#include <sys/mman.h>
|
||||
#endif
|
||||
|
||||
#endif /* !CONFIG_TCCBOOT */
|
||||
|
||||
#ifndef PAGESIZE
|
||||
#define PAGESIZE 4096
|
||||
#endif
|
||||
|
||||
#include "elf.h"
|
||||
#include "stab.h"
|
||||
|
||||
#ifndef O_BINARY
|
||||
#define O_BINARY 0
|
||||
#endif
|
||||
|
||||
#include "libtcc.h"
|
||||
|
||||
/* parser debug */
|
||||
//#define PARSE_DEBUG
|
||||
/* preprocessor debug */
|
||||
//#define PP_DEBUG
|
||||
/* include file debug */
|
||||
//#define INC_DEBUG
|
||||
|
||||
//#define MEM_DEBUG
|
||||
|
||||
/* assembler debug */
|
||||
//#define ASM_DEBUG
|
||||
|
||||
/* target selection */
|
||||
//#define TCC_TARGET_I386 /* i386 code generator */
|
||||
//#define TCC_TARGET_ARM /* ARMv4 code generator */
|
||||
//#define TCC_TARGET_C67 /* TMS320C67xx code generator */
|
||||
//#define TCC_TARGET_X86_64 /* x86-64 code generator */
|
||||
|
||||
/* default target is I386 */
|
||||
#if !defined(TCC_TARGET_I386) && !defined(TCC_TARGET_ARM) && \
|
||||
!defined(TCC_TARGET_C67) && !defined(TCC_TARGET_X86_64)
|
||||
#define TCC_TARGET_I386
|
||||
#endif
|
||||
|
||||
#if !defined(_WIN32) && !defined(TCC_UCLIBC) && !defined(TCC_TARGET_ARM) && \
|
||||
!defined(TCC_TARGET_C67) && !defined(TCC_TARGET_X86_64)
|
||||
#define CONFIG_TCC_BCHECK /* enable bound checking code */
|
||||
#endif
|
||||
|
||||
#if defined(_WIN32) && !defined(TCC_TARGET_PE)
|
||||
#define CONFIG_TCC_STATIC
|
||||
#endif
|
||||
|
||||
/* define it to include assembler support */
|
||||
#if !defined(TCC_TARGET_ARM) && !defined(TCC_TARGET_C67) && \
|
||||
!defined(TCC_TARGET_X86_64)
|
||||
#define CONFIG_TCC_ASM
|
||||
#endif
|
||||
|
||||
/* object format selection */
|
||||
#if defined(TCC_TARGET_C67)
|
||||
#define TCC_TARGET_COFF
|
||||
#endif
|
||||
|
||||
#if !defined(_WIN32) && !defined(CONFIG_TCCBOOT)
|
||||
#define CONFIG_TCC_BACKTRACE
|
||||
#endif
|
||||
|
||||
#define FALSE 0
|
||||
#define false 0
|
||||
#define TRUE 1
|
||||
#define true 1
|
||||
typedef int BOOL;
|
||||
|
||||
/* path to find crt1.o, crti.o and crtn.o. Only needed when generating
|
||||
executables or dlls */
|
||||
#define CONFIG_TCC_CRT_PREFIX CONFIG_SYSROOT "/usr/lib"
|
||||
|
||||
#define INCLUDE_STACK_SIZE 32
|
||||
#define IFDEF_STACK_SIZE 64
|
||||
#define VSTACK_SIZE 256
|
||||
#define STRING_MAX_SIZE 1024
|
||||
#define PACK_STACK_SIZE 8
|
||||
|
||||
#define TOK_HASH_SIZE 8192 /* 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;
|
||||
void *data_allocated; /* if non NULL, data has been malloced */
|
||||
} CString;
|
||||
|
||||
/* type definition */
|
||||
typedef struct CType {
|
||||
int t;
|
||||
struct Sym *ref;
|
||||
} CType;
|
||||
|
||||
/* constant value */
|
||||
typedef union CValue {
|
||||
long double ld;
|
||||
double d;
|
||||
float f;
|
||||
int i;
|
||||
unsigned int ui;
|
||||
unsigned int ul; /* address (should be unsigned long on 64 bit cpu) */
|
||||
long long ll;
|
||||
unsigned long long ull;
|
||||
struct CString *cstr;
|
||||
void *ptr;
|
||||
int tab[1];
|
||||
} 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) */
|
||||
} SValue;
|
||||
|
||||
/* symbol management */
|
||||
typedef struct Sym {
|
||||
int v; /* symbol token */
|
||||
long r; /* associated register */
|
||||
long c; /* associated number */
|
||||
CType type; /* associated type */
|
||||
struct Sym *next; /* next related symbol */
|
||||
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
|
||||
|
||||
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) */
|
||||
unsigned long 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 *next;
|
||||
char name[1]; /* section name */
|
||||
} Section;
|
||||
|
||||
typedef struct DLLReference {
|
||||
int level;
|
||||
void *handle;
|
||||
char name[1];
|
||||
} DLLReference;
|
||||
|
||||
/* GNUC attribute definition */
|
||||
typedef struct AttributeDef {
|
||||
int aligned;
|
||||
int packed;
|
||||
Section *section;
|
||||
int func_attr; /* calling convention, exports, ... */
|
||||
} AttributeDef;
|
||||
|
||||
/* -------------------------------------------------- */
|
||||
/* gr: wrappers for casting sym->r for other purposes */
|
||||
typedef struct {
|
||||
unsigned
|
||||
func_call : 8,
|
||||
func_args : 8,
|
||||
func_export : 1;
|
||||
} func_attr_t;
|
||||
|
||||
#define FUNC_CALL(r) (((func_attr_t*)&(r))->func_call)
|
||||
#define FUNC_EXPORT(r) (((func_attr_t*)&(r))->func_export)
|
||||
#define FUNC_ARGS(r) (((func_attr_t*)&(r))->func_args)
|
||||
#define INLINE_DEF(r) (*(int **)&(r))
|
||||
/* -------------------------------------------------- */
|
||||
|
||||
#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.c' 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.r' 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;
|
||||
int line_num; /* current line number - here to simplify code */
|
||||
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 */
|
||||
char inc_type; /* type of include */
|
||||
char inc_filename[512]; /* filename specified by the user */
|
||||
char filename[1024]; /* current filename - here to simplify code */
|
||||
unsigned char buffer[IO_BUF_SIZE + 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 */
|
||||
|
||||
/* parsing state (used to save parser state to reparse part of the
|
||||
source several times) */
|
||||
typedef struct ParseState {
|
||||
int *macro_ptr;
|
||||
int line_num;
|
||||
int tok;
|
||||
CValue tokc;
|
||||
} ParseState;
|
||||
|
||||
/* used to record tokens */
|
||||
typedef struct TokenString {
|
||||
int *str;
|
||||
int len;
|
||||
int allocated_len;
|
||||
int last_line_num;
|
||||
} TokenString;
|
||||
|
||||
/* 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 hash_next; /* -1 if none */
|
||||
char type; /* '"' or '>' to give include type */
|
||||
char filename[1]; /* path specified in #include */
|
||||
} CachedInclude;
|
||||
|
||||
#define CACHED_INCLUDES_HASH_SIZE 512
|
||||
|
||||
/* parser */
|
||||
static struct BufferedFile *file;
|
||||
static int ch, tok;
|
||||
static CValue tokc;
|
||||
static CString tokcstr; /* current parsed string, if any */
|
||||
/* additional informations about token */
|
||||
static int tok_flags;
|
||||
#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 */
|
||||
|
||||
static int *macro_ptr, *macro_ptr_allocated;
|
||||
static int *unget_saved_macro_ptr;
|
||||
static int unget_saved_buffer[TOK_MAX_SIZE + 1];
|
||||
static int unget_buffer_enabled;
|
||||
static int parse_flags;
|
||||
#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_COMMENTS 0x0008 /* '#' can be used for line comment */
|
||||
#define PARSE_FLAG_SPACES 0x0010 /* next() returns space tokens (for -E) */
|
||||
|
||||
static Section *text_section, *data_section, *bss_section; /* predefined sections */
|
||||
static Section *cur_text_section; /* current section where function code is
|
||||
generated */
|
||||
#ifdef CONFIG_TCC_ASM
|
||||
static Section *last_text_section; /* to handle .previous asm directive */
|
||||
#endif
|
||||
/* bound check related sections */
|
||||
static Section *bounds_section; /* contains global data bound description */
|
||||
static Section *lbounds_section; /* contains local data bound description */
|
||||
/* symbol sections */
|
||||
static Section *symtab_section, *strtab_section;
|
||||
|
||||
/* debug sections */
|
||||
static Section *stab_section, *stabstr_section;
|
||||
|
||||
/* loc : local variable index
|
||||
ind : output code index
|
||||
rsym: return symbol
|
||||
anon_sym: anonymous symbol index
|
||||
*/
|
||||
static int rsym, anon_sym, ind, loc;
|
||||
/* expression generation modifiers */
|
||||
static int const_wanted; /* true if constant wanted */
|
||||
static int nocode_wanted; /* true if no code generation wanted for an expression */
|
||||
static int global_expr; /* true if compound literals must be allocated
|
||||
globally (used during initializers parsing */
|
||||
static CType func_vt; /* current function return type (used by return
|
||||
instruction) */
|
||||
static int func_vc;
|
||||
static int last_line_num, last_ind, func_ind; /* debug last line number and pc */
|
||||
static int tok_ident;
|
||||
static TokenSym **table_ident;
|
||||
static TokenSym *hash_ident[TOK_HASH_SIZE];
|
||||
static char token_buf[STRING_MAX_SIZE + 1];
|
||||
static char *funcname;
|
||||
static Sym *global_stack, *local_stack;
|
||||
static Sym *define_stack;
|
||||
static Sym *global_label_stack, *local_label_stack;
|
||||
/* symbol allocator */
|
||||
#define SYM_POOL_NB (8192 / sizeof(Sym))
|
||||
static Sym *sym_free_first;
|
||||
static void **sym_pools;
|
||||
static int nb_sym_pools;
|
||||
|
||||
static SValue vstack[VSTACK_SIZE], *vtop;
|
||||
/* some predefined types */
|
||||
static CType char_pointer_type, func_old_type, int_type;
|
||||
/* true if isid(c) || isnum(c) */
|
||||
static unsigned char isidnum_table[256-CH_EOF];
|
||||
|
||||
/* display some information during compilation */
|
||||
static int verbose = 0;
|
||||
|
||||
/* compile with debug symbol (and use them if error during execution) */
|
||||
static int do_debug = 0;
|
||||
|
||||
/* compile with built-in memory and bounds checker */
|
||||
static int do_bounds_check = 0;
|
||||
|
||||
/* display benchmark infos */
|
||||
#if !defined(LIBTCC)
|
||||
static int do_bench = 0;
|
||||
#endif
|
||||
static int total_lines;
|
||||
static int total_bytes;
|
||||
|
||||
/* use GNU C extensions */
|
||||
static int gnu_ext = 1;
|
||||
|
||||
/* use Tiny C extensions */
|
||||
static int tcc_ext = 1;
|
||||
|
||||
/* max number of callers shown if error */
|
||||
#ifdef CONFIG_TCC_BACKTRACE
|
||||
static int num_callers = 6;
|
||||
static const char **rt_bound_error_msg;
|
||||
#endif
|
||||
|
||||
/* XXX: get rid of this ASAP */
|
||||
static struct TCCState *tcc_state;
|
||||
|
||||
/* give the path of the tcc libraries */
|
||||
static const char *tcc_lib_path = CONFIG_TCCDIR;
|
||||
|
||||
struct TCCState {
|
||||
int output_type;
|
||||
|
||||
BufferedFile **include_stack_ptr;
|
||||
int *ifdef_stack_ptr;
|
||||
|
||||
/* include file handling */
|
||||
char **include_paths;
|
||||
int nb_include_paths;
|
||||
char **sysinclude_paths;
|
||||
int nb_sysinclude_paths;
|
||||
CachedInclude **cached_includes;
|
||||
int nb_cached_includes;
|
||||
|
||||
char **library_paths;
|
||||
int nb_library_paths;
|
||||
|
||||
/* array of all loaded dlls (including those referenced by loaded
|
||||
dlls) */
|
||||
DLLReference **loaded_dlls;
|
||||
int nb_loaded_dlls;
|
||||
|
||||
/* 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 handling */
|
||||
Section *got;
|
||||
Section *plt;
|
||||
unsigned long *got_offsets;
|
||||
int nb_got_offsets;
|
||||
/* give the correspondance from symtab indexes to dynsym indexes */
|
||||
int *symtab_to_dynsym;
|
||||
|
||||
/* temporary dynamic symbol sections (for dll loading) */
|
||||
Section *dynsymtab_section;
|
||||
/* exported dynamic symbol section */
|
||||
Section *dynsym;
|
||||
|
||||
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 */
|
||||
|
||||
/* if true, static linking is performed */
|
||||
int static_link;
|
||||
|
||||
/* soname as specified on the command line (-soname) */
|
||||
const char *soname;
|
||||
|
||||
/* if true, all symbols are exported */
|
||||
int rdynamic;
|
||||
|
||||
/* if true, only link in referenced objects from archive */
|
||||
int alacarte_link;
|
||||
|
||||
/* address of text section */
|
||||
unsigned long text_addr;
|
||||
int has_text_addr;
|
||||
|
||||
/* output format, see TCC_OUTPUT_FORMAT_xxx */
|
||||
int output_format;
|
||||
|
||||
/* C language options */
|
||||
int char_is_unsigned;
|
||||
int leading_underscore;
|
||||
|
||||
/* warning switches */
|
||||
int warn_write_strings;
|
||||
int warn_unsupported;
|
||||
int warn_error;
|
||||
int warn_none;
|
||||
int warn_implicit_function_declaration;
|
||||
|
||||
/* 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;
|
||||
|
||||
/* tiny assembler state */
|
||||
Sym *asm_labels;
|
||||
|
||||
/* see include_stack_ptr */
|
||||
BufferedFile *include_stack[INCLUDE_STACK_SIZE];
|
||||
|
||||
/* see ifdef_stack_ptr */
|
||||
int ifdef_stack[IFDEF_STACK_SIZE];
|
||||
|
||||
/* see cached_includes */
|
||||
int cached_includes_hash[CACHED_INCLUDES_HASH_SIZE];
|
||||
|
||||
/* pack stack */
|
||||
int pack_stack[PACK_STACK_SIZE];
|
||||
int *pack_stack_ptr;
|
||||
|
||||
/* output file for preprocessing */
|
||||
FILE *outfile;
|
||||
|
||||
/* for tcc_relocate */
|
||||
int runtime_added;
|
||||
|
||||
#ifdef TCC_TARGET_X86_64
|
||||
/* write PLT and GOT here */
|
||||
char *runtime_plt_and_got;
|
||||
unsigned int runtime_plt_and_got_offset;
|
||||
#endif
|
||||
};
|
||||
|
||||
/* The current value can be: */
|
||||
#define VT_VALMASK 0x00ff
|
||||
#define VT_CONST 0x00f0 /* constant in vc
|
||||
(must be first non register value) */
|
||||
#define VT_LLOCAL 0x00f1 /* lvalue, offset on stack */
|
||||
#define VT_LOCAL 0x00f2 /* offset on stack */
|
||||
#define VT_CMP 0x00f3 /* the value is stored in processor flags (in vc) */
|
||||
#define VT_JMP 0x00f4 /* value is the consequence of jmp true (even) */
|
||||
#define VT_JMPI 0x00f5 /* 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_INT 0 /* integer type */
|
||||
#define VT_BYTE 1 /* signed byte type */
|
||||
#define VT_SHORT 2 /* short type */
|
||||
#define VT_VOID 3 /* void type */
|
||||
#define VT_PTR 4 /* pointer */
|
||||
#define VT_ENUM 5 /* enum definition */
|
||||
#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_LLONG 12 /* 64 bit integer */
|
||||
#define VT_LONG 13 /* long integer (NEVER USED as type, only
|
||||
during parsing) */
|
||||
#define VT_BTYPE 0x000f /* mask for basic type */
|
||||
#define VT_UNSIGNED 0x0010 /* unsigned type */
|
||||
#define VT_ARRAY 0x0020 /* array type (also has VT_PTR) */
|
||||
#define VT_BITFIELD 0x0040 /* bitfield modifier */
|
||||
#define VT_CONSTANT 0x0800 /* const modifier */
|
||||
#define VT_VOLATILE 0x1000 /* volatile modifier */
|
||||
#define VT_SIGNED 0x2000 /* signed type */
|
||||
|
||||
/* storage */
|
||||
#define VT_EXTERN 0x00000080 /* extern definition */
|
||||
#define VT_STATIC 0x00000100 /* static variable */
|
||||
#define VT_TYPEDEF 0x00000200 /* typedef definition */
|
||||
#define VT_INLINE 0x00000400 /* inline definition */
|
||||
|
||||
#define VT_STRUCT_SHIFT 16 /* shift for bitfield shift values */
|
||||
|
||||
/* type mask (except storage) */
|
||||
#define VT_STORAGE (VT_EXTERN | VT_STATIC | VT_TYPEDEF | VT_INLINE)
|
||||
#define VT_TYPE (~(VT_STORAGE))
|
||||
|
||||
/* 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 */
|
||||
#define TOK_CINT 0xb3 /* number in tokc */
|
||||
#define TOK_CCHAR 0xb4 /* char constant in tokc */
|
||||
#define TOK_STR 0xb5 /* pointer to string in tokc */
|
||||
#define TOK_TWOSHARPS 0xb6 /* ## preprocessing token */
|
||||
#define TOK_LCHAR 0xb7
|
||||
#define TOK_LSTR 0xb8
|
||||
#define TOK_CFLOAT 0xb9 /* float constant */
|
||||
#define TOK_LINENUM 0xba /* line number info */
|
||||
#define TOK_CDOUBLE 0xc0 /* double constant */
|
||||
#define TOK_CLDOUBLE 0xc1 /* long double constant */
|
||||
#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_CUINT 0xc8 /* unsigned int constant */
|
||||
#define TOK_CLLONG 0xc9 /* long long constant */
|
||||
#define TOK_CULLONG 0xca /* unsigned long long constant */
|
||||
#define TOK_ARROW 0xcb
|
||||
#define TOK_DOTS 0xcc /* three dots */
|
||||
#define TOK_SHR 0xcd /* unsigned shift right */
|
||||
#define TOK_PPNUM 0xce /* preprocessor number */
|
||||
|
||||
#define TOK_SHL 0x01 /* shift left */
|
||||
#define TOK_SAR 0x02 /* signed shift right */
|
||||
|
||||
/* assignement 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
|
||||
|
||||
#ifndef offsetof
|
||||
#define offsetof(type, field) ((size_t) &((type *)0)->field)
|
||||
#endif
|
||||
|
||||
#ifndef countof
|
||||
#define countof(tab) (sizeof(tab) / sizeof((tab)[0]))
|
||||
#endif
|
||||
|
||||
/* WARNING: the content of this string encodes token numbers */
|
||||
static char tok_two_chars[] = "<=\236>=\235!=\225&&\240||\241++\244--\242==\224<<\1>>\2+=\253-=\255*=\252/=\257%=\245&=\246^=\336|=\374->\313..\250##\266";
|
||||
|
||||
#define TOK_EOF (-1) /* end of file */
|
||||
#define TOK_LINEFEED 10 /* line feed */
|
||||
|
||||
/* all identificators and strings have token above that */
|
||||
#define TOK_IDENT 256
|
||||
|
||||
/* only used for i386 asm opcodes definitions */
|
||||
#define DEF_ASM(x) DEF(TOK_ASM_ ## x, #x)
|
||||
|
||||
#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)
|
||||
|
||||
#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) \
|
||||
DEF_ASM(x ## o) \
|
||||
DEF_ASM(x ## no) \
|
||||
DEF_ASM(x ## b) \
|
||||
DEF_ASM(x ## c) \
|
||||
DEF_ASM(x ## nae) \
|
||||
DEF_ASM(x ## nb) \
|
||||
DEF_ASM(x ## nc) \
|
||||
DEF_ASM(x ## ae) \
|
||||
DEF_ASM(x ## e) \
|
||||
DEF_ASM(x ## z) \
|
||||
DEF_ASM(x ## ne) \
|
||||
DEF_ASM(x ## nz) \
|
||||
DEF_ASM(x ## be) \
|
||||
DEF_ASM(x ## na) \
|
||||
DEF_ASM(x ## nbe) \
|
||||
DEF_ASM(x ## a) \
|
||||
DEF_ASM(x ## s) \
|
||||
DEF_ASM(x ## ns) \
|
||||
DEF_ASM(x ## p) \
|
||||
DEF_ASM(x ## pe) \
|
||||
DEF_ASM(x ## np) \
|
||||
DEF_ASM(x ## po) \
|
||||
DEF_ASM(x ## l) \
|
||||
DEF_ASM(x ## nge) \
|
||||
DEF_ASM(x ## nl) \
|
||||
DEF_ASM(x ## ge) \
|
||||
DEF_ASM(x ## le) \
|
||||
DEF_ASM(x ## ng) \
|
||||
DEF_ASM(x ## nle) \
|
||||
DEF_ASM(x ## g)
|
||||
|
||||
#define TOK_ASM_int TOK_INT
|
||||
|
||||
enum tcc_token {
|
||||
TOK_LAST = TOK_IDENT - 1,
|
||||
#define DEF(id, str) id,
|
||||
#include "tcctok.h"
|
||||
#undef DEF
|
||||
};
|
||||
|
||||
static const char tcc_keywords[] =
|
||||
#define DEF(id, str) str "\0"
|
||||
#include "tcctok.h"
|
||||
#undef DEF
|
||||
;
|
||||
|
||||
#define TOK_UIDENT TOK_DEFINE
|
||||
|
||||
#ifdef _WIN32
|
||||
#define snprintf _snprintf
|
||||
#define vsnprintf _vsnprintf
|
||||
#ifndef __GNUC__
|
||||
#define strtold (long double)strtod
|
||||
#define strtof (float)strtod
|
||||
#define strtoll (long long)strtol
|
||||
#endif
|
||||
#elif defined(TCC_UCLIBC) || defined(__FreeBSD__) || defined(__DragonFly__) \
|
||||
|| defined(__OpenBSD__)
|
||||
/* currently incorrect */
|
||||
long double strtold(const char *nptr, char **endptr)
|
||||
{
|
||||
return (long double)strtod(nptr, endptr);
|
||||
}
|
||||
float strtof(const char *nptr, char **endptr)
|
||||
{
|
||||
return (float)strtod(nptr, endptr);
|
||||
}
|
||||
#else
|
||||
/* 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
|
||||
|
||||
static char *pstrcpy(char *buf, int buf_size, const char *s);
|
||||
static char *pstrcat(char *buf, int buf_size, const char *s);
|
||||
static char *tcc_basename(const char *name);
|
||||
static char *tcc_fileextension (const char *p);
|
||||
|
||||
static void next(void);
|
||||
static void next_nomacro(void);
|
||||
static void next_nomacro_spc(void);
|
||||
static void parse_expr_type(CType *type);
|
||||
static void expr_type(CType *type);
|
||||
static void unary_type(CType *type);
|
||||
static void block(int *bsym, int *csym, int *case_sym, int *def_sym,
|
||||
int case_reg, int is_expr);
|
||||
static int expr_const(void);
|
||||
static void expr_eq(void);
|
||||
static void gexpr(void);
|
||||
static void gen_inline_functions(void);
|
||||
static void decl(int l);
|
||||
static void decl_initializer(CType *type, Section *sec, unsigned long c,
|
||||
int first, int size_only);
|
||||
static void decl_initializer_alloc(CType *type, AttributeDef *ad, int r,
|
||||
int has_init, int v, int scope);
|
||||
int gv(int rc);
|
||||
void gv2(int rc1, int rc2);
|
||||
void move_reg(int r, int s);
|
||||
void save_regs(int n);
|
||||
void save_reg(int r);
|
||||
void vpop(void);
|
||||
void vswap(void);
|
||||
void vdup(void);
|
||||
int get_reg(int rc);
|
||||
int get_reg_ex(int rc,int rc2);
|
||||
|
||||
struct macro_level {
|
||||
struct macro_level *prev;
|
||||
int *p;
|
||||
};
|
||||
|
||||
static void macro_subst(TokenString *tok_str, Sym **nested_list,
|
||||
const int *macro_str, struct macro_level **can_read_stream);
|
||||
void gen_op(int op);
|
||||
void force_charshort_cast(int t);
|
||||
static void gen_cast(CType *type);
|
||||
void vstore(void);
|
||||
static Sym *sym_find(int v);
|
||||
static Sym *sym_push(int v, CType *type, int r, int c);
|
||||
|
||||
/* type handling */
|
||||
static int type_size(CType *type, int *a);
|
||||
static inline CType *pointed_type(CType *type);
|
||||
static int pointed_size(CType *type);
|
||||
static int lvalue_type(int t);
|
||||
static int parse_btype(CType *type, AttributeDef *ad);
|
||||
static void type_decl(CType *type, AttributeDef *ad, int *v, int td);
|
||||
static int compare_types(CType *type1, CType *type2, int unqualified);
|
||||
static int is_compatible_types(CType *type1, CType *type2);
|
||||
static int is_compatible_parameter_types(CType *type1, CType *type2);
|
||||
|
||||
int ieee_finite(double d);
|
||||
void error(const char *fmt, ...);
|
||||
void vpushi(int v);
|
||||
void vpushll(long long v);
|
||||
void vrott(int n);
|
||||
void vnrott(int n);
|
||||
void lexpand_nr(void);
|
||||
static void vpush_global_sym(CType *type, int v);
|
||||
void vset(CType *type, int r, int v);
|
||||
void type_to_str(char *buf, int buf_size,
|
||||
CType *type, const char *varstr);
|
||||
char *get_tok_str(int v, CValue *cv);
|
||||
static Sym *get_sym_ref(CType *type, Section *sec,
|
||||
unsigned long offset, unsigned long size);
|
||||
static Sym *external_global_sym(int v, CType *type, int r);
|
||||
|
||||
/* section generation */
|
||||
static void section_realloc(Section *sec, unsigned long new_size);
|
||||
static void *section_ptr_add(Section *sec, unsigned long size);
|
||||
static void put_extern_sym(Sym *sym, Section *section,
|
||||
unsigned long value, unsigned long size);
|
||||
static void greloc(Section *s, Sym *sym, unsigned long addr, int type);
|
||||
static int put_elf_str(Section *s, const char *sym);
|
||||
static int put_elf_sym(Section *s,
|
||||
unsigned long value, unsigned long size,
|
||||
int info, int other, int shndx, const char *name);
|
||||
static int add_elf_sym(Section *s, unsigned long value, unsigned long size,
|
||||
int info, int other, int sh_num, const char *name);
|
||||
static void put_elf_reloc(Section *symtab, Section *s, unsigned long offset,
|
||||
int type, int symbol);
|
||||
static void put_stabs(const char *str, int type, int other, int desc,
|
||||
unsigned long value);
|
||||
static void put_stabs_r(const char *str, int type, int other, int desc,
|
||||
unsigned long value, Section *sec, int sym_index);
|
||||
static void put_stabn(int type, int other, int desc, int value);
|
||||
static void put_stabd(int type, int other, int desc);
|
||||
static int tcc_add_dll(TCCState *s, const char *filename, int flags);
|
||||
|
||||
#define AFF_PRINT_ERROR 0x0001 /* print error if file not found */
|
||||
#define AFF_REFERENCED_DLL 0x0002 /* load a referenced dll from another dll */
|
||||
#define AFF_PREPROCESS 0x0004 /* preprocess file */
|
||||
static int tcc_add_file_internal(TCCState *s, const char *filename, int flags);
|
||||
|
||||
/* tcccoff.c */
|
||||
int tcc_output_coff(TCCState *s1, FILE *f);
|
||||
|
||||
/* tccpe.c */
|
||||
void *resolve_sym(TCCState *s1, const char *sym, int type);
|
||||
int pe_load_def_file(struct TCCState *s1, int fd);
|
||||
int pe_test_res_file(void *v, int size);
|
||||
int pe_load_res_file(struct TCCState *s1, int fd);
|
||||
void pe_add_runtime(struct TCCState *s1);
|
||||
void pe_guess_outfile(char *objfilename, int output_type);
|
||||
int pe_output_file(struct TCCState *s1, const char *filename);
|
||||
|
||||
/* tccasm.c */
|
||||
|
||||
#ifdef CONFIG_TCC_ASM
|
||||
|
||||
typedef struct ExprValue {
|
||||
uint32_t v;
|
||||
Sym *sym;
|
||||
} ExprValue;
|
||||
|
||||
#define MAX_ASM_OPERANDS 30
|
||||
|
||||
typedef struct ASMOperand {
|
||||
int id; /* GCC 3 optionnal 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;
|
||||
|
||||
static void asm_expr(TCCState *s1, ExprValue *pe);
|
||||
static int asm_int_expr(TCCState *s1);
|
||||
static int find_constraint(ASMOperand *operands, int nb_operands,
|
||||
const char *name, const char **pp);
|
||||
|
||||
static int tcc_assemble(TCCState *s1, int do_preprocess);
|
||||
|
||||
#endif
|
||||
|
||||
static void asm_instr(void);
|
||||
static void asm_global_instr(void);
|
||||
|
||||
/* true if float/double/long double type */
|
||||
static inline int is_float(int t)
|
||||
{
|
||||
int bt;
|
||||
bt = t & VT_BTYPE;
|
||||
return bt == VT_LDOUBLE || bt == VT_DOUBLE || bt == VT_FLOAT;
|
||||
}
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user