x64 backend: Save nonvolatile XMM registers on host -> guest transitions
Define the context and membase registers in the x64 emitter.
This commit is contained in:
@@ -29,68 +29,68 @@ namespace x64 {
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* | |
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* | |
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* +------------------+
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* | scratch, 16b | rsp + 32
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* | scratch, 16b | rsp + 24
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* | |
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* +------------------+
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* | rbx | rsp + 48
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* | rbx | rsp + 40
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* +------------------+
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* | rcx / context | rsp + 56
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* | rcx / context | rsp + 48
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* +------------------+
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* | rbp | rsp + 64
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* | rbp | rsp + 56
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* +------------------+
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* | rsi | rsp + 72
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* | rsi | rsp + 64
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* +------------------+
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* | rdi | rsp + 80
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* | rdi | rsp + 72
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* +------------------+
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* | r12 | rsp + 88
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* | r12 | rsp + 80
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* +------------------+
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* | r13 | rsp + 96
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* | r13 | rsp + 88
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* +------------------+
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* | r14 | rsp + 104
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* | r14 | rsp + 96
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* +------------------+
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* | r15 | rsp + 112
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* | r15 | rsp + 104
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* +------------------+
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* | (return address) | rsp + 120
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* | xmm6/0 | rsp + 112
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* | |
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* +------------------+
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* | (rcx home) | rsp + 128
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* | xmm7/1 | rsp + 128
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* | |
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* +------------------+
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* | (rdx home) | rsp + 136
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* | xmm8/2 | rsp + 144
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* | |
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* +------------------+
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* | xmm9/3 | rsp + 160
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* | |
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* +------------------+
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* | xmm10/4 | rsp + 176
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* | |
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* +------------------+
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* | xmm11/5 | rsp + 192
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* | |
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* +------------------+
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* | xmm12 | rsp + 208
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* | |
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* +------------------+
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* | xmm13 | rsp + 224
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* | |
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* +------------------+
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* | xmm14 | rsp + 240
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* | |
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* +------------------+
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* | xmm15 | rsp + 256
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* | |
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* +------------------+
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* | scratch, 8b | rsp + 272
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* | |
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* +------------------+
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* | (return address) | rsp + 280
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* +------------------+
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* | (rcx home) | rsp + 288
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* +------------------+
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* | (rdx home) | rsp + 296
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* +------------------+
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*
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*
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* TODO:
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* +------------------+
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* | xmm6 | rsp + 128
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* | |
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* +------------------+
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* | xmm7 | rsp + 144
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* | |
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* +------------------+
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* | xmm8 | rsp + 160
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* | |
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* +------------------+
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* | xmm9 | rsp + 176
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* | |
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* +------------------+
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* | xmm10 | rsp + 192
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* | |
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* +------------------+
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* | xmm11 | rsp + 208
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* | |
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* +------------------+
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* | xmm12 | rsp + 224
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* | |
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* +------------------+
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* | xmm13 | rsp + 240
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* | |
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* +------------------+
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* | xmm14 | rsp + 256
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* | |
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* +------------------+
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* | xmm15 | rsp + 272
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* | |
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* +------------------+
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*
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* Guest stack:
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* +------------------+
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* | arg temp, 3 * 8 | rsp + 0
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@@ -115,10 +115,10 @@ namespace x64 {
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class StackLayout {
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public:
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static const size_t THUNK_STACK_SIZE = 120;
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static const size_t THUNK_STACK_SIZE = 280;
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static const size_t GUEST_STACK_SIZE = 104;
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static const size_t GUEST_RCX_HOME = 80;
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static const size_t GUEST_CTX_HOME = 80;
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static const size_t GUEST_RET_ADDR = 88;
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static const size_t GUEST_CALL_RET_ADDR = 96;
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};
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