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Stack fixes.

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This commit is contained in:
Ben Vanik
2014-02-02 12:28:40 -08:00
parent e5e490ca9b
commit 544d453691
7 changed files with 61 additions and 34 deletions
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6
src/alloy/backend/x64/lowering/op_utils.inl
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@@ -28,7 +28,7 @@ namespace {
void LoadEflags(X64Emitter& e) {
#if STORE_EFLAGS
e.mov(e.eax, e.dword[e.rsp + STASH_OFFSET]);
e.push(e.ax);
e.push(e.rax);
e.popf();
#else
// EFLAGS already present.
@@ -37,7 +37,7 @@ void LoadEflags(X64Emitter& e) {
void StoreEflags(X64Emitter& e) {
#if STORE_EFLAGS
e.pushf();
e.pop(e.word[e.rsp + STASH_OFFSET]);
e.pop(e.qword[e.rsp + STASH_OFFSET]);
#else
// EFLAGS should have CA set?
// (so long as we don't fuck with it)
@@ -84,7 +84,7 @@ void MovMem64(X64Emitter& e, RegExp& addr, uint64_t v) {
void CallNative(X64Emitter& e, void* target) {
e.mov(e.rax, (uint64_t)target);
e.call(e.rax);
e.mov(e.rcx, e.qword[e.rsp + StackLayout::RCX_HOME]);
e.mov(e.rcx, e.qword[e.rsp + StackLayout::GUEST_RCX_HOME]);
e.mov(e.rdx, e.qword[e.rcx + 8]); // membase
}