mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
bbc9fd5720
* vm_exec.h (DISPATCH_ARCH_DEPEND_WAY): fix typo. probably "inserted" or "insetted". git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39190 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
173 lines
3.7 KiB
C
173 lines
3.7 KiB
C
/**********************************************************************
|
|
|
|
vm.h -
|
|
|
|
$Author$
|
|
created at: 04/01/01 16:56:59 JST
|
|
|
|
Copyright (C) 2004-2007 Koichi Sasada
|
|
|
|
**********************************************************************/
|
|
|
|
#ifndef RUBY_VM_EXEC_H
|
|
#define RUBY_VM_EXEC_H
|
|
|
|
typedef long OFFSET;
|
|
typedef unsigned long lindex_t;
|
|
typedef VALUE GENTRY;
|
|
typedef rb_iseq_t *ISEQ;
|
|
|
|
#ifdef __GCC__
|
|
/* TODO: machine dependent prefetch instruction */
|
|
#define PREFETCH(pc)
|
|
#else
|
|
#define PREFETCH(pc)
|
|
#endif
|
|
|
|
#if VMDEBUG > 0
|
|
#define debugs printf
|
|
#define DEBUG_ENTER_INSN(insn) \
|
|
rb_vmdebug_debug_print_pre(th, GET_CFP());
|
|
|
|
#if OPT_STACK_CACHING
|
|
#define SC_REGS() , reg_a, reg_b
|
|
#else
|
|
#define SC_REGS()
|
|
#endif
|
|
|
|
#define DEBUG_END_INSN() \
|
|
rb_vmdebug_debug_print_post(th, GET_CFP() SC_REGS());
|
|
|
|
#else
|
|
|
|
#define debugs
|
|
#define DEBUG_ENTER_INSN(insn)
|
|
#define DEBUG_END_INSN()
|
|
#endif
|
|
|
|
#define throwdebug if(0)printf
|
|
/* #define throwdebug printf */
|
|
|
|
/************************************************/
|
|
#if defined(DISPATCH_XXX)
|
|
error !
|
|
/************************************************/
|
|
#elif OPT_CALL_THREADED_CODE
|
|
|
|
#define LABEL(x) insn_func_##x
|
|
#define ELABEL(x)
|
|
#define LABEL_PTR(x) &LABEL(x)
|
|
|
|
#define INSN_ENTRY(insn) \
|
|
static rb_control_frame_t * \
|
|
FUNC_FASTCALL(LABEL(insn))(rb_thread_t *th, rb_control_frame_t *reg_cfp) {
|
|
|
|
#define END_INSN(insn) return reg_cfp;}
|
|
|
|
#define NEXT_INSN() return reg_cfp;
|
|
|
|
/************************************************/
|
|
#elif OPT_TOKEN_THREADED_CODE || OPT_DIRECT_THREADED_CODE
|
|
/* threaded code with gcc */
|
|
|
|
#define LABEL(x) INSN_LABEL_##x
|
|
#define ELABEL(x) INSN_ELABEL_##x
|
|
#define LABEL_PTR(x) &&LABEL(x)
|
|
|
|
#define INSN_ENTRY_SIG(insn)
|
|
|
|
|
|
#define INSN_DISPATCH_SIG(insn)
|
|
|
|
#define INSN_ENTRY(insn) \
|
|
LABEL(insn): \
|
|
INSN_ENTRY_SIG(insn); \
|
|
|
|
/* dispather */
|
|
#if defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__)) && __GNUC__ == 3
|
|
#define DISPATCH_ARCH_DEPEND_WAY(addr) \
|
|
__asm__ __volatile__("jmp *%0;\t# -- inserted by vm.h\t[length = 2]" : : "r" (addr))
|
|
|
|
#else
|
|
#define DISPATCH_ARCH_DEPEND_WAY(addr) \
|
|
/* do nothing */
|
|
|
|
#endif
|
|
|
|
|
|
/**********************************/
|
|
#if OPT_DIRECT_THREADED_CODE
|
|
|
|
/* for GCC 3.4.x */
|
|
#define TC_DISPATCH(insn) \
|
|
INSN_DISPATCH_SIG(insn); \
|
|
goto *(void const *)GET_CURRENT_INSN(); \
|
|
;
|
|
|
|
#else
|
|
/* token threade code */
|
|
|
|
#define TC_DISPATCH(insn) \
|
|
DISPATCH_ARCH_DEPEND_WAY(insns_address_table[GET_CURRENT_INSN()]); \
|
|
INSN_DISPATCH_SIG(insn); \
|
|
goto *insns_address_table[GET_CURRENT_INSN()]; \
|
|
rb_bug("tc error");
|
|
|
|
|
|
#endif /* DISPATCH_DIRECT_THREADED_CODE */
|
|
|
|
#define END_INSN(insn) \
|
|
DEBUG_END_INSN(); \
|
|
TC_DISPATCH(insn); \
|
|
|
|
#define INSN_DISPATCH() \
|
|
TC_DISPATCH(__START__) \
|
|
{
|
|
|
|
#define END_INSNS_DISPATCH() \
|
|
rb_bug("unknown insn: %"PRIdVALUE, GET_CURRENT_INSN()); \
|
|
} /* end of while loop */ \
|
|
|
|
#define NEXT_INSN() TC_DISPATCH(__NEXT_INSN__)
|
|
|
|
/************************************************/
|
|
#else /* no threaded code */
|
|
/* most common method */
|
|
|
|
#define INSN_ENTRY(insn) \
|
|
case BIN(insn):
|
|
|
|
#define END_INSN(insn) \
|
|
DEBUG_END_INSN(); \
|
|
break;
|
|
|
|
|
|
#define INSN_DISPATCH() \
|
|
while (1) { \
|
|
switch (GET_CURRENT_INSN()) {
|
|
|
|
#define END_INSNS_DISPATCH() \
|
|
default: \
|
|
SDR(); \
|
|
rb_bug("unknown insn: %ld", GET_CURRENT_INSN()); \
|
|
} /* end of switch */ \
|
|
} /* end of while loop */ \
|
|
|
|
#define NEXT_INSN() goto first
|
|
|
|
#endif
|
|
|
|
#define VM_SP_CNT(th, sp) ((sp) - (th)->stack)
|
|
|
|
#if OPT_CALL_THREADED_CODE
|
|
#define THROW_EXCEPTION(exc) do { \
|
|
th->errinfo = (VALUE)(exc); \
|
|
return 0; \
|
|
} while (0)
|
|
#else
|
|
#define THROW_EXCEPTION(exc) return (VALUE)(exc)
|
|
#endif
|
|
|
|
#define SCREG(r) (reg_##r)
|
|
|
|
#endif /* RUBY_VM_EXEC_H */
|