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Hacking together proper stack saving. Can't get >128b frames working.

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This commit is contained in:
Ben Vanik
2014-01-31 22:16:05 -08:00
parent f85b83709e
commit 009a6d0745
14 changed files with 424 additions and 80 deletions
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4
src/alloy/backend/x64/lowering/op_utils.inl
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@@ -17,7 +17,7 @@ namespace {
#define LIKE_REG(dest, like) Reg(dest.getIdx(), dest.getKind(), like.getBit(), false)
#define NAX_LIKE(like) Reg(e.rax.getIdx(), e.rax.getKind(), like.getBit(), false)
#define STASH_OFFSET 48
#define STASH_OFFSET 0
// If we are running with tracing on we have to store the EFLAGS in the stack,
// otherwise our calls out to C to print will clear it before DID_CARRY/etc
@@ -68,7 +68,7 @@ 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 + 0]);
e.mov(e.rcx, e.qword[e.rsp + StackLayout::RCX_HOME]);
e.mov(e.rdx, e.qword[e.rcx + 8]); // membase
}