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author | ko1 <ko1@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2007-12-20 09:29:46 +0000 |
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committer | ko1 <ko1@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2007-12-20 09:29:46 +0000 |
commit | c334a09f7ad58c692ec86e1d55c561e86806260b (patch) | |
tree | 3f213d5f67e93eb9ebf38692865f89b0608afda4 /vm_evalbody.c | |
parent | c9923aeb6931f68ce600bbeb0f3c89aebf328a5b (diff) | |
download | bundler-c334a09f7ad58c692ec86e1d55c561e86806260b.tar.gz |
* common.mk, *.ci: renamed to *.c.
* eval_laod.c: renamed to load.c.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@14364 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'vm_evalbody.c')
-rw-r--r-- | vm_evalbody.c | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/vm_evalbody.c b/vm_evalbody.c new file mode 100644 index 0000000000..128f233266 --- /dev/null +++ b/vm_evalbody.c @@ -0,0 +1,143 @@ +/* -*-c-*- */ +/********************************************************************** + + vm_evalbody.c - + + $Author$ + $Date$ + + Copyright (C) 2004-2007 Koichi Sasada + +**********************************************************************/ + +#include <math.h> + +#if VMDEBUG > 0 +#define DECL_SC_REG(type, r, reg) register type reg_##r + +#elif __GNUC__ && __x86_64 +#define DECL_SC_REG(type, r, reg) register type reg_##r asm("r" reg) + +#elif __GNUC__ && __i386__ +#define DECL_SC_REG(type, r, reg) register type reg_##r asm("e" reg) + +#else +#define DECL_SC_REG(type, r, reg) register type reg_##r +#endif +/* #define DECL_SC_REG(r, reg) VALUE reg_##r */ + +#if !OPT_CALL_THREADED_CODE +VALUE +vm_eval(rb_thread_t *th, VALUE initial) +{ + +#if OPT_STACK_CACHING +#if 0 +#elif __GNUC__ && __x86_64 + DECL_SC_REG(VALUE, a, "12"); + DECL_SC_REG(VALUE, b, "13"); +#else + register VALUE reg_a; + register VALUE reg_b; +#endif +#endif + +#if __GNUC__ && __i386__ + DECL_SC_REG(VALUE *, pc, "di"); + DECL_SC_REG(rb_control_frame_t *, cfp, "si"); +#define USE_MACHINE_REGS 1 + +#elif __GNUC__ && __x86_64__ + DECL_SC_REG(VALUE *, pc, "14"); + DECL_SC_REG(rb_control_frame_t *, cfp, "15"); +#define USE_MACHINE_REGS 1 + +#else + register rb_control_frame_t *reg_cfp; + VALUE *reg_pc; +#endif + +#if USE_MACHINE_REGS + +#undef RESTORE_REGS +#define RESTORE_REGS() \ +{ \ + REG_CFP = th->cfp; \ + reg_pc = reg_cfp->pc; \ +} + +#undef REG_PC +#define REG_PC reg_pc +#undef GET_PC +#define GET_PC() (reg_pc) +#undef SET_PC +#define SET_PC(x) (reg_cfp->pc = REG_PC = (x)) +#endif + +#if OPT_TOKEN_THREADED_CODE || OPT_DIRECT_THREADED_CODE +#include "vmtc.inc" + if (th == 0) { +#if OPT_STACK_CACHING + finish_insn_seq[0] = (VALUE)&&LABEL (finish_SC_ax_ax); +#else + finish_insn_seq[0] = (VALUE)&&LABEL (finish); +#endif + return (VALUE)insns_address_table; + } +#endif + reg_cfp = th->cfp; + reg_pc = reg_cfp->pc; + +#if OPT_STACK_CACHING + reg_a = initial; + reg_b = 0; +#endif + + first: + INSN_DISPATCH(); +/*****************/ + #include "vm.inc" +/*****************/ + END_INSNS_DISPATCH(); + + /* unreachable */ + rb_bug("vm_eval: unreachable"); + goto first; +} + +#else + +#include "vm.inc" +#include "vmtc.inc" + +const void *const * +get_insns_address_table() +{ + return insns_address_table; +} + +VALUE +vm_eval(rb_thread_t *th, VALUE initial) +{ + register rb_control_frame_t *reg_cfp = th->cfp; + VALUE ret; + + while (*GET_PC()) { + reg_cfp = ((rb_insn_func_t) (*GET_PC()))(th, reg_cfp); + + if (reg_cfp == 0) { + VALUE err = th->errinfo; + th->errinfo = Qnil; + return err; + } + } + + if (VM_FRAME_TYPE(th->cfp) != FRAME_MAGIC_FINISH) { + rb_bug("cfp consistency error"); + } + + ret = *(th->cfp->sp-1); /* pop */ + th->cfp++; /* pop cf */ + return ret; +} +#endif |