diff options
Diffstat (limited to 'src/runtime/sys_linux_amd64.s')
| -rw-r--r-- | src/runtime/sys_linux_amd64.s | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/runtime/sys_linux_amd64.s b/src/runtime/sys_linux_amd64.s index aed85cb0aa..f407078176 100644 --- a/src/runtime/sys_linux_amd64.s +++ b/src/runtime/sys_linux_amd64.s @@ -258,7 +258,7 @@ TEXT runtime·sysMmap(SB),NOSPLIT,$0 // Call the function stored in _cgo_mmap using the GCC calling convention. // This must be called on the system stack. -TEXT runtime·callCgoMmap(SB),NOSPLIT,$0 +TEXT runtime·callCgoMmap(SB),NOSPLIT,$16 MOVQ addr+0(FP), DI MOVQ n+8(FP), SI MOVL prot+16(FP), DX @@ -266,7 +266,11 @@ TEXT runtime·callCgoMmap(SB),NOSPLIT,$0 MOVL fd+24(FP), R8 MOVL off+28(FP), R9 MOVQ _cgo_mmap(SB), AX + MOVQ SP, BX + ANDQ $~15, SP // alignment as per amd64 psABI + MOVQ BX, 0(SP) CALL AX + MOVQ 0(SP), SP MOVQ AX, ret+32(FP) RET |