From 0dc342de848a642ecce8db697b8fecd83a63e117 Mon Sep 17 00:00:00 2001 From: yugui Date: Mon, 25 Aug 2008 15:02:05 +0000 Subject: added tag v1_9_0_4 git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/tags/v1_9_0_4@18845 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- trunk/insnhelper.h | 148 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 148 insertions(+) create mode 100644 trunk/insnhelper.h (limited to 'trunk/insnhelper.h') diff --git a/trunk/insnhelper.h b/trunk/insnhelper.h new file mode 100644 index 0000000000..a862f2672e --- /dev/null +++ b/trunk/insnhelper.h @@ -0,0 +1,148 @@ +/********************************************************************** + + insnhelper.h - helper macros to implement each instructions + + $Author$ + created at: 04/01/01 15:50:34 JST + + Copyright (C) 2004-2007 Koichi Sasada + +**********************************************************************/ + +#ifndef RUBY_INSNHELPER_H +#define RUBY_INSNHELPER_H + +#include "ruby/ruby.h" +#include "ruby/node.h" +#include "eval_intern.h" +#include "vm_core.h" +#include "vm.h" + +/**********************************************************/ +/* deal with stack */ +/**********************************************************/ + +#define PUSH(x) (SET_SV(x), INC_SP(1)) +#define TOPN(n) (*(GET_SP()-(n)-1)) +#define POPN(n) (DEC_SP(n)) +#define POP() (DEC_SP(1)) +#define STACK_ADDR_FROM_TOP(n) (GET_SP()-(n)) + +#define GET_TOS() (tos) /* dummy */ + +/**********************************************************/ +/* deal with registers */ +/**********************************************************/ + +#define REG_CFP (reg_cfp) +#define REG_PC (REG_CFP->pc) +#define REG_SP (REG_CFP->sp) +#define REG_LFP (REG_CFP->lfp) +#define REG_DFP (REG_CFP->dfp) + +#define RESTORE_REGS() do { \ + REG_CFP = th->cfp; \ +} while (0) + +#define REG_A reg_a +#define REG_B reg_b + +#ifdef COLLECT_USAGE_ANALYSIS +#define USAGE_ANALYSIS_REGISTER_HELPER(a, b, v) \ + (USAGE_ANALYSIS_REGISTER(a, b), (v)) +#else +#define USAGE_ANALYSIS_REGISTER_HELPER(a, b, v) (v) +#endif + +/* PC */ +#define GET_PC() (USAGE_ANALYSIS_REGISTER_HELPER(0, 0, REG_PC)) +#define SET_PC(x) (REG_PC = (USAGE_ANALYSIS_REGISTER_HELPER(0, 1, x))) +#define GET_CURRENT_INSN() (*GET_PC()) +#define GET_OPERAND(n) (GET_PC()[(n)]) +#define ADD_PC(n) (SET_PC(REG_PC + (n))) + +#define GET_PC_COUNT() (REG_PC - GET_ISEQ()->iseq_encoded) +#define JUMP(dst) (REG_PC += (dst)) + +/* FP */ +#define GET_CFP() (USAGE_ANALYSIS_REGISTER_HELPER(2, 0, REG_CFP)) +#define GET_LFP() (USAGE_ANALYSIS_REGISTER_HELPER(3, 0, REG_LFP)) +#define SET_LFP(x) (REG_LFP = (USAGE_ANALYSIS_REGISTER_HELPER(3, 1, (x)))) +#define GET_DFP() (USAGE_ANALYSIS_REGISTER_HELPER(4, 0, REG_DFP)) +#define SET_DFP(x) (REG_DFP = (USAGE_ANALYSIS_REGISTER_HELPER(4, 1, (x)))) + +/* SP */ +#define GET_SP() (USAGE_ANALYSIS_REGISTER_HELPER(1, 0, REG_SP)) +#define SET_SP(x) (REG_SP = (USAGE_ANALYSIS_REGISTER_HELPER(1, 1, (x)))) +#define INC_SP(x) (REG_SP += (USAGE_ANALYSIS_REGISTER_HELPER(1, 1, (x)))) +#define DEC_SP(x) (REG_SP -= (USAGE_ANALYSIS_REGISTER_HELPER(1, 1, (x)))) +#define SET_SV(x) (*GET_SP() = (x)) + /* set current stack value as x */ + +#define GET_SP_COUNT() (REG_SP - th->stack) + +/* instruction sequence C struct */ +#define GET_ISEQ() (GET_CFP()->iseq) + +/**********************************************************/ +/* deal with variables */ +/**********************************************************/ + +#define GET_PREV_DFP(dfp) ((VALUE *)((dfp)[0] & ~0x03)) + +#define GET_GLOBAL(entry) rb_gvar_get((struct global_entry*)entry) +#define SET_GLOBAL(entry, val) rb_gvar_set((struct global_entry*)entry, val) + +#define GET_CONST_INLINE_CACHE(dst) ((IC) * (GET_PC() + (dst) + 1)) + +/**********************************************************/ +/* deal with values */ +/**********************************************************/ + +#define GET_SELF() (USAGE_ANALYSIS_REGISTER_HELPER(5, 0, GET_CFP()->self)) + +/**********************************************************/ +/* deal with control flow 2: method/iterator */ +/**********************************************************/ + +#define COPY_CREF(c1, c2) do { \ + NODE *__tmp_c2 = (c2); \ + c1->nd_clss = __tmp_c2->nd_clss; \ + c1->nd_visi = __tmp_c2->nd_visi; \ + c1->nd_next = __tmp_c2->nd_next; \ +} while (0) + +#define CALL_METHOD(num, blockptr, flag, id, mn, recv, klass) do { \ + VALUE v = vm_call_method(th, GET_CFP(), num, blockptr, flag, id, mn, recv, klass); \ + if (v == Qundef) { \ + RESTORE_REGS(); \ + NEXT_INSN(); \ + } \ + else { \ + val = v; \ + } \ +} while (0) + +#define GET_BLOCK_PTR() \ + ((rb_block_t *)(GC_GUARDED_PTR_REF(GET_LFP()[0]))) + +/**********************************************************/ +/* deal with control flow 3: exception */ +/**********************************************************/ + + +/**********************************************************/ +/* others */ +/**********************************************************/ + +/* optimize insn */ +#define FIXNUM_2_P(a, b) ((a) & (b) & 1) +#define BASIC_OP_UNREDEFINED_P(op) ((ruby_vm_redefined_flag & (op)) == 0) +#define HEAP_CLASS_OF(obj) RBASIC(obj)->klass + +#define CALL_SIMPLE_METHOD(num, id, recv) do { \ + VALUE klass = CLASS_OF(recv); \ + CALL_METHOD(num, 0, 0, id, rb_method_node(klass, id), recv, CLASS_OF(recv)); \ +} while (0) + +#endif /* RUBY_INSNHELPER_H */ -- cgit v1.2.3