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[CPU] Change thunk layout and fix Linux thunk misalignment

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This commit is contained in:
Prism Tutaj
2019-12-02 23:30:41 -06:00
committed by Rick Gibbed
parent f0723c211b
commit 1cce25d5e7
2 changed files with 101 additions and 95 deletions
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67
src/xenia/cpu/backend/x64/x64_backend.cc
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@@ -580,11 +580,14 @@ void X64ThunkEmitter::EmitSaveVolatileRegs() {
// mov(qword[rsp + offsetof(StackLayout::Thunk, r[0])], rax);
mov(qword[rsp + offsetof(StackLayout::Thunk, r[1])], rcx);
mov(qword[rsp + offsetof(StackLayout::Thunk, r[2])], rdx);
mov(qword[rsp + offsetof(StackLayout::Thunk, r[3])], r8);
mov(qword[rsp + offsetof(StackLayout::Thunk, r[4])], r9);
mov(qword[rsp + offsetof(StackLayout::Thunk, r[5])], r10);
mov(qword[rsp + offsetof(StackLayout::Thunk, r[6])], r11);
#if XE_PLATFORM_LINUX
mov(qword[rsp + offsetof(StackLayout::Thunk, r[3])], rsi);
mov(qword[rsp + offsetof(StackLayout::Thunk, r[4])], rdi);
#endif
mov(qword[rsp + offsetof(StackLayout::Thunk, r[5])], r8);
mov(qword[rsp + offsetof(StackLayout::Thunk, r[6])], r9);
mov(qword[rsp + offsetof(StackLayout::Thunk, r[7])], r10);
mov(qword[rsp + offsetof(StackLayout::Thunk, r[8])], r11);
// vmovaps(qword[rsp + offsetof(StackLayout::Thunk, xmm[0])], xmm0);
vmovaps(qword[rsp + offsetof(StackLayout::Thunk, xmm[1])], xmm1);
vmovaps(qword[rsp + offsetof(StackLayout::Thunk, xmm[2])], xmm2);
@@ -594,35 +597,40 @@ void X64ThunkEmitter::EmitSaveVolatileRegs() {
}
void X64ThunkEmitter::EmitLoadVolatileRegs() {
// Load volatile registers from our stack frame.
// mov(rax, qword[rsp + offsetof(StackLayout::Thunk, r[0])]);
mov(rcx, qword[rsp + offsetof(StackLayout::Thunk, r[1])]);
mov(rdx, qword[rsp + offsetof(StackLayout::Thunk, r[2])]);
#if XE_PLATFORM_LINUX
mov(rsi, qword[rsp + offsetof(StackLayout::Thunk, r[3])]);
mov(rdi, qword[rsp + offsetof(StackLayout::Thunk, r[4])]);
#endif
mov(r8, qword[rsp + offsetof(StackLayout::Thunk, r[5])]);
mov(r9, qword[rsp + offsetof(StackLayout::Thunk, r[6])]);
mov(r10, qword[rsp + offsetof(StackLayout::Thunk, r[7])]);
mov(r11, qword[rsp + offsetof(StackLayout::Thunk, r[8])]);
// vmovaps(xmm0, qword[rsp + offsetof(StackLayout::Thunk, xmm[0])]);
vmovaps(xmm1, qword[rsp + offsetof(StackLayout::Thunk, xmm[1])]);
vmovaps(xmm2, qword[rsp + offsetof(StackLayout::Thunk, xmm[2])]);
vmovaps(xmm3, qword[rsp + offsetof(StackLayout::Thunk, xmm[3])]);
vmovaps(xmm4, qword[rsp + offsetof(StackLayout::Thunk, xmm[4])]);
vmovaps(xmm5, qword[rsp + offsetof(StackLayout::Thunk, xmm[5])]);
// mov(rax, qword[rsp + offsetof(StackLayout::Thunk, r[0])]);
mov(rcx, qword[rsp + offsetof(StackLayout::Thunk, r[1])]);
mov(rdx, qword[rsp + offsetof(StackLayout::Thunk, r[2])]);
mov(r8, qword[rsp + offsetof(StackLayout::Thunk, r[3])]);
mov(r9, qword[rsp + offsetof(StackLayout::Thunk, r[4])]);
mov(r10, qword[rsp + offsetof(StackLayout::Thunk, r[5])]);
mov(r11, qword[rsp + offsetof(StackLayout::Thunk, r[6])]);
}
void X64ThunkEmitter::EmitSaveNonvolatileRegs() {
// Preserve nonvolatile registers.
mov(qword[rsp + offsetof(StackLayout::Thunk, r[0])], rbx);
mov(qword[rsp + offsetof(StackLayout::Thunk, r[1])], rcx);
mov(qword[rsp + offsetof(StackLayout::Thunk, r[2])], rbp);
mov(qword[rsp + offsetof(StackLayout::Thunk, r[1])], rbp);
#if XE_PLATFORM_WIN32
mov(qword[rsp + offsetof(StackLayout::Thunk, r[2])], rcx);
mov(qword[rsp + offsetof(StackLayout::Thunk, r[3])], rsi);
mov(qword[rsp + offsetof(StackLayout::Thunk, r[4])], rdi);
#endif
mov(qword[rsp + offsetof(StackLayout::Thunk, r[5])], r12);
mov(qword[rsp + offsetof(StackLayout::Thunk, r[6])], r13);
mov(qword[rsp + offsetof(StackLayout::Thunk, r[7])], r14);
mov(qword[rsp + offsetof(StackLayout::Thunk, r[8])], r15);
// SysV does not have nonvolatile XMM registers.
#if XE_PLATFORM_WIN32
vmovaps(qword[rsp + offsetof(StackLayout::Thunk, xmm[0])], xmm6);
vmovaps(qword[rsp + offsetof(StackLayout::Thunk, xmm[1])], xmm7);
vmovaps(qword[rsp + offsetof(StackLayout::Thunk, xmm[2])], xmm8);
@@ -633,9 +641,23 @@ void X64ThunkEmitter::EmitSaveNonvolatileRegs() {
vmovaps(qword[rsp + offsetof(StackLayout::Thunk, xmm[7])], xmm13);
vmovaps(qword[rsp + offsetof(StackLayout::Thunk, xmm[8])], xmm14);
vmovaps(qword[rsp + offsetof(StackLayout::Thunk, xmm[9])], xmm15);
#endif
}
void X64ThunkEmitter::EmitLoadNonvolatileRegs() {
mov(rbx, qword[rsp + offsetof(StackLayout::Thunk, r[0])]);
mov(rbp, qword[rsp + offsetof(StackLayout::Thunk, r[1])]);
#if XE_PLATFORM_WIN32
mov(rcx, qword[rsp + offsetof(StackLayout::Thunk, r[2])]);
mov(rsi, qword[rsp + offsetof(StackLayout::Thunk, r[3])]);
mov(rdi, qword[rsp + offsetof(StackLayout::Thunk, r[4])]);
#endif
mov(r12, qword[rsp + offsetof(StackLayout::Thunk, r[5])]);
mov(r13, qword[rsp + offsetof(StackLayout::Thunk, r[6])]);
mov(r14, qword[rsp + offsetof(StackLayout::Thunk, r[7])]);
mov(r15, qword[rsp + offsetof(StackLayout::Thunk, r[8])]);
#if XE_PLATFORM_WIN32
vmovaps(xmm6, qword[rsp + offsetof(StackLayout::Thunk, xmm[0])]);
vmovaps(xmm7, qword[rsp + offsetof(StackLayout::Thunk, xmm[1])]);
vmovaps(xmm8, qword[rsp + offsetof(StackLayout::Thunk, xmm[2])]);
@@ -646,16 +668,7 @@ void X64ThunkEmitter::EmitLoadNonvolatileRegs() {
vmovaps(xmm13, qword[rsp + offsetof(StackLayout::Thunk, xmm[7])]);
vmovaps(xmm14, qword[rsp + offsetof(StackLayout::Thunk, xmm[8])]);
vmovaps(xmm15, qword[rsp + offsetof(StackLayout::Thunk, xmm[9])]);
mov(rbx, qword[rsp + offsetof(StackLayout::Thunk, r[0])]);
mov(rcx, qword[rsp + offsetof(StackLayout::Thunk, r[1])]);
mov(rbp, qword[rsp + offsetof(StackLayout::Thunk, r[2])]);
mov(rsi, qword[rsp + offsetof(StackLayout::Thunk, r[3])]);
mov(rdi, qword[rsp + offsetof(StackLayout::Thunk, r[4])]);
mov(r12, qword[rsp + offsetof(StackLayout::Thunk, r[5])]);
mov(r13, qword[rsp + offsetof(StackLayout::Thunk, r[6])]);
mov(r14, qword[rsp + offsetof(StackLayout::Thunk, r[7])]);
mov(r15, qword[rsp + offsetof(StackLayout::Thunk, r[8])]);
#endif
}
} // namespace x64