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Fixing tail calls in the jit.

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This commit is contained in:
Ben Vanik
2014-02-06 21:53:31 -08:00
parent 0d88e83daa
commit 5309356908
6 changed files with 47 additions and 6 deletions
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2
src/alloy/backend/x64/x64_thunk_emitter.cc
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@@ -34,6 +34,7 @@ HostToGuestThunk X64ThunkEmitter::EmitHostToGuestThunk() {
const size_t stack_size = StackLayout::THUNK_STACK_SIZE;
// rsp + 0 = return address
mov(qword[rsp + 8 * 3], r8);
mov(qword[rsp + 8 * 2], rdx);
mov(qword[rsp + 8 * 1], rcx);
sub(rsp, stack_size);
@@ -88,6 +89,7 @@ HostToGuestThunk X64ThunkEmitter::EmitHostToGuestThunk() {
add(rsp, stack_size);
mov(rcx, qword[rsp + 8 * 1]);
mov(rdx, qword[rsp + 8 * 2]);
mov(r8, qword[rsp + 8 * 3]);
ret();
void* fn = Emplace(stack_size);