diff options
Diffstat (limited to 'src/runtime/sys_linux_386.s')
| -rw-r--r-- | src/runtime/sys_linux_386.s | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/src/runtime/sys_linux_386.s b/src/runtime/sys_linux_386.s index 1d798c741e..45320c068a 100644 --- a/src/runtime/sys_linux_386.s +++ b/src/runtime/sys_linux_386.s @@ -228,7 +228,15 @@ TEXT runtime·sigfwd(SB),NOSPLIT,$12-16 MOVL AX, SP RET -TEXT runtime·sigtramp(SB),NOSPLIT,$12 +TEXT runtime·sigtramp(SB),NOSPLIT,$28 + // Save callee-saved C registers, since the caller may be a C signal handler. + MOVL BX, bx-4(SP) + MOVL BP, bp-8(SP) + MOVL SI, si-12(SP) + MOVL DI, di-16(SP) + // We don't save mxcsr or the x87 control word because sigtrampgo doesn't + // modify them. + MOVL sig+0(FP), BX MOVL BX, 0(SP) MOVL info+4(FP), BX @@ -236,6 +244,11 @@ TEXT runtime·sigtramp(SB),NOSPLIT,$12 MOVL ctx+8(FP), BX MOVL BX, 8(SP) CALL runtime·sigtrampgo(SB) + + MOVL di-16(SP), DI + MOVL si-12(SP), SI + MOVL bp-8(SP), BP + MOVL bx-4(SP), BX RET TEXT runtime·cgoSigtramp(SB),NOSPLIT,$0 |