diff options
Diffstat (limited to 'src/runtime/asm_amd64.s')
| -rw-r--r-- | src/runtime/asm_amd64.s | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/src/runtime/asm_amd64.s b/src/runtime/asm_amd64.s index da29f61ed8..3f7f608410 100644 --- a/src/runtime/asm_amd64.s +++ b/src/runtime/asm_amd64.s @@ -623,15 +623,13 @@ TEXT gosave<>(SB),NOSPLIT,$0 // Call fn(arg) on the scheduler stack, // aligned appropriately for the gcc ABI. // See cgocall.c for more details. -TEXT runtime·asmcgocall(SB),NOSPLIT,$0-16 - GO_ARGS +TEXT ·asmcgocall(SB),NOSPLIT,$0-16 MOVQ fn+0(FP), AX MOVQ arg+8(FP), BX CALL asmcgocall<>(SB) RET -TEXT runtime·asmcgocall_errno(SB),NOSPLIT,$0-20 - GO_ARGS +TEXT ·asmcgocall_errno(SB),NOSPLIT,$0-20 MOVQ fn+0(FP), AX MOVQ arg+8(FP), BX CALL asmcgocall<>(SB) @@ -700,8 +698,7 @@ TEXT runtime·cgocallback(SB),NOSPLIT,$24-24 // cgocallback_gofunc(FuncVal*, void *frame, uintptr framesize) // See cgocall.c for more details. -TEXT runtime·cgocallback_gofunc(SB),NOSPLIT,$8-24 - GO_ARGS +TEXT ·cgocallback_gofunc(SB),NOSPLIT,$8-24 NO_LOCAL_POINTERS // If g is nil, Go did not create the current thread. @@ -874,8 +871,6 @@ TEXT runtime·gocputicks(SB),NOSPLIT,$0-8 MOVQ AX, ret+0(FP) RET -GLOBL runtime·tls0(SB), $64 - // hash function using AES hardware instructions TEXT runtime·aeshash(SB),NOSPLIT,$0-32 MOVQ p+0(FP), AX // ptr to data @@ -2225,3 +2220,14 @@ TEXT runtime·fastrand1(SB), NOSPLIT, $0-4 TEXT runtime·return0(SB), NOSPLIT, $0 MOVL $0, AX RET + + +// Called from cgo wrappers, this function returns g->m->curg.stack.hi. +// Must obey the gcc calling convention. +TEXT _cgo_topofstack(SB),NOSPLIT,$0 + get_tls(CX) + MOVQ g(CX), AX + MOVQ g_m(AX), AX + MOVQ m_curg(AX), AX + MOVQ (g_stack+stack_hi)(AX), AX + RET |