diff options
Diffstat (limited to 'src/runtime/sys_linux_amd64.s')
| -rw-r--r-- | src/runtime/sys_linux_amd64.s | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/src/runtime/sys_linux_amd64.s b/src/runtime/sys_linux_amd64.s index bf539aa0da..e0dc3e1264 100644 --- a/src/runtime/sys_linux_amd64.s +++ b/src/runtime/sys_linux_amd64.s @@ -393,7 +393,7 @@ TEXT runtime·callCgoMmap(SB),NOSPLIT,$16 MOVQ AX, ret+32(FP) RET -TEXT runtime·munmap(SB),NOSPLIT,$0 +TEXT runtime·sysMunmap(SB),NOSPLIT,$0 MOVQ addr+0(FP), DI MOVQ n+8(FP), SI MOVQ $11, AX // munmap @@ -403,6 +403,19 @@ TEXT runtime·munmap(SB),NOSPLIT,$0 MOVL $0xf1, 0xf1 // crash RET +// Call the function stored in _cgo_munmap using the GCC calling convention. +// This must be called on the system stack. +TEXT runtime·callCgoMunmap(SB),NOSPLIT,$16-16 + MOVQ addr+0(FP), DI + MOVQ n+8(FP), SI + MOVQ _cgo_munmap(SB), AX + MOVQ SP, BX + ANDQ $~15, SP // alignment as per amd64 psABI + MOVQ BX, 0(SP) + CALL AX + MOVQ 0(SP), SP + RET + TEXT runtime·madvise(SB),NOSPLIT,$0 MOVQ addr+0(FP), DI MOVQ n+8(FP), SI |