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Eliminate InfoVars::cip (bug 5844 part 7, r=ds).

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This commit is contained in:
David Anderson
2013-08-12 00:22:54 +01:00
parent 87ccd272ee
commit 2822bf7a65
5 changed files with 16 additions and 12 deletions
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sourcepawn/jit/x86/jit_x86.cpp
+6 -6
View File
@@ -1298,7 +1298,7 @@ Compiler::emitOp(OPCODE op)
case OP_BREAK:
{
cell_t cip = uintptr_t(cip_ - 1) - uintptr_t(plugin_->pcode);
__ movl(Operand(info, AMX_INFO_CIP), cip);
__ movl(Operand(cipAddr()), cip);
break;
}
@@ -1486,7 +1486,7 @@ Compiler::emitCall()
__ addl(Operand(eax, offsetof(sp_context_t, rp)), 1);
// Store the CIP of the function we're about to call.
__ movl(Operand(info, AMX_INFO_CIP), offset);
__ movl(Operand(cipAddr()), offset);
JitFunction *fun = rt_->GetJittedFunctionByOffset(offset);
if (!fun) {
@@ -1501,7 +1501,7 @@ Compiler::emitCall()
}
// Restore the last cip.
__ movl(Operand(info, AMX_INFO_CIP), cip);
__ movl(Operand(cipAddr()), cip);
// Mark us as leaving the last frame.
__ movl(tmp, intptr_t(rt_->GetBaseContext()->GetCtx()));
@@ -1544,7 +1544,7 @@ Compiler::emitCallThunks()
__ ret();
__ bind(&error);
__ movl(Operand(info, AMX_INFO_CIP), thunk->pcode_offset);
__ movl(Operand(cipAddr()), thunk->pcode_offset);
__ jmp(g_Jit.GetUniversalReturn());
}
}
@@ -1972,10 +1972,11 @@ int JITX86::InvokeFunction(BaseRuntime *runtime, JitFunction *fn, cell_t *result
{
sp_context_t *ctx = runtime->GetBaseContext()->GetCtx();
ctx->cip = fn->GetPCodeAddress();
InfoVars vars;
vars.frm = ctx->sp;
vars.hp = ctx->hp;
vars.cip = fn->GetPCodeAddress();
/* vars.esp will be set in the entry code */
JIT_EXECUTE pfn = (JIT_EXECUTE)m_pJitEntry;
@@ -1983,7 +1984,6 @@ int JITX86::InvokeFunction(BaseRuntime *runtime, JitFunction *fn, cell_t *result
ctx->sp = vars.frm;
ctx->hp = vars.hp;
ctx->err_cip = vars.cip;
*result = ctx->rval;
return err;
sourcepawn/jit/x86/jit_x86.h
+6 -2
View File
@@ -39,6 +39,7 @@
#include <ke_vector.h>
#include "jit_shared.h"
#include "BaseRuntime.h"
#include "sp_vm_basecontext.h"
#include "jit_function.h"
#include "opcodes.h"
@@ -131,6 +132,11 @@ class Compiler
void emitErrorPath(Label *dest, int code);
void emitErrorPaths();
ExternalAddress cipAddr() {
sp_context_t *ctx = rt_->GetBaseContext()->GetCtx();
return ExternalAddress(&ctx->cip);
}
private:
AssemblerX86 masm;
BaseRuntime *rt_;
@@ -197,13 +203,11 @@ const Register frm = ebx;
struct InfoVars {
ucell_t frm;
ucell_t hp;
ucell_t cip;
void *esp;
};
#define AMX_INFO_FRAME offsetof(InfoVars, frm)
#define AMX_INFO_HEAP offsetof(InfoVars, hp)
#define AMX_INFO_CIP offsetof(InfoVars, cip)
#define AMX_INFO_NSTACK offsetof(InfoVars, esp)
extern Knight::KeCodeCache *g_pCodeCache;