diff options
Diffstat (limited to 'src/runtime/preempt_amd64.s')
| -rw-r--r-- | src/runtime/preempt_amd64.s | 82 |
1 files changed, 48 insertions, 34 deletions
diff --git a/src/runtime/preempt_amd64.s b/src/runtime/preempt_amd64.s index 8e3ed0d7c5..0a33ce7f3e 100644 --- a/src/runtime/preempt_amd64.s +++ b/src/runtime/preempt_amd64.s @@ -1,6 +1,7 @@ // Code generated by mkpreempt.go; DO NOT EDIT. #include "go_asm.h" +#include "go_tls.h" #include "asm_amd64.h" #include "textflag.h" @@ -10,9 +11,10 @@ TEXT ·asyncPreempt(SB),NOSPLIT|NOFRAME,$0-0 // Save flags before clobbering them PUSHFQ // obj doesn't understand ADD/SUB on SP, but does understand ADJSP - ADJSP $368 + ADJSP $112 // But vet doesn't know ADJSP, so suppress vet stack checking NOP SP + // Save GPs MOVQ AX, 0(SP) MOVQ CX, 8(SP) MOVQ DX, 16(SP) @@ -27,39 +29,51 @@ TEXT ·asyncPreempt(SB),NOSPLIT|NOFRAME,$0-0 MOVQ R13, 88(SP) MOVQ R14, 96(SP) MOVQ R15, 104(SP) - MOVUPS X0, 112(SP) - MOVUPS X1, 128(SP) - MOVUPS X2, 144(SP) - MOVUPS X3, 160(SP) - MOVUPS X4, 176(SP) - MOVUPS X5, 192(SP) - MOVUPS X6, 208(SP) - MOVUPS X7, 224(SP) - MOVUPS X8, 240(SP) - MOVUPS X9, 256(SP) - MOVUPS X10, 272(SP) - MOVUPS X11, 288(SP) - MOVUPS X12, 304(SP) - MOVUPS X13, 320(SP) - MOVUPS X14, 336(SP) - MOVUPS X15, 352(SP) + // Save extended register state to p.xRegs.scratch + // Don't make assumptions about ABI register state. See mkpreempt.go + get_tls(CX) + MOVQ g(CX), R14 + MOVQ g_m(R14), AX + MOVQ m_p(AX), AX + LEAQ (p_xRegs+xRegPerP_scratch)(AX), AX + MOVUPS X0, 0(AX) + MOVUPS X1, 16(AX) + MOVUPS X2, 32(AX) + MOVUPS X3, 48(AX) + MOVUPS X4, 64(AX) + MOVUPS X5, 80(AX) + MOVUPS X6, 96(AX) + MOVUPS X7, 112(AX) + MOVUPS X8, 128(AX) + MOVUPS X9, 144(AX) + MOVUPS X10, 160(AX) + MOVUPS X11, 176(AX) + MOVUPS X12, 192(AX) + MOVUPS X13, 208(AX) + MOVUPS X14, 224(AX) + MOVUPS X15, 240(AX) CALL ·asyncPreempt2(SB) - MOVUPS 352(SP), X15 - MOVUPS 336(SP), X14 - MOVUPS 320(SP), X13 - MOVUPS 304(SP), X12 - MOVUPS 288(SP), X11 - MOVUPS 272(SP), X10 - MOVUPS 256(SP), X9 - MOVUPS 240(SP), X8 - MOVUPS 224(SP), X7 - MOVUPS 208(SP), X6 - MOVUPS 192(SP), X5 - MOVUPS 176(SP), X4 - MOVUPS 160(SP), X3 - MOVUPS 144(SP), X2 - MOVUPS 128(SP), X1 - MOVUPS 112(SP), X0 + // Restore non-GPs from *p.xRegs.cache + MOVQ g_m(R14), AX + MOVQ m_p(AX), AX + MOVQ (p_xRegs+xRegPerP_cache)(AX), AX + MOVUPS 240(AX), X15 + MOVUPS 224(AX), X14 + MOVUPS 208(AX), X13 + MOVUPS 192(AX), X12 + MOVUPS 176(AX), X11 + MOVUPS 160(AX), X10 + MOVUPS 144(AX), X9 + MOVUPS 128(AX), X8 + MOVUPS 112(AX), X7 + MOVUPS 96(AX), X6 + MOVUPS 80(AX), X5 + MOVUPS 64(AX), X4 + MOVUPS 48(AX), X3 + MOVUPS 32(AX), X2 + MOVUPS 16(AX), X1 + MOVUPS 0(AX), X0 + // Restore GPs MOVQ 104(SP), R15 MOVQ 96(SP), R14 MOVQ 88(SP), R13 @@ -74,7 +88,7 @@ TEXT ·asyncPreempt(SB),NOSPLIT|NOFRAME,$0-0 MOVQ 16(SP), DX MOVQ 8(SP), CX MOVQ 0(SP), AX - ADJSP $-368 + ADJSP $-112 POPFQ POPQ BP RET |