diff options
Diffstat (limited to 'src/pkg/runtime/sys_linux_amd64.s')
| -rw-r--r-- | src/pkg/runtime/sys_linux_amd64.s | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/src/pkg/runtime/sys_linux_amd64.s b/src/pkg/runtime/sys_linux_amd64.s index 0de5b2aa4..657ab7e0b 100644 --- a/src/pkg/runtime/sys_linux_amd64.s +++ b/src/pkg/runtime/sys_linux_amd64.s @@ -139,7 +139,7 @@ TEXT runtime·rtsigprocmask(SB),7,$0-32 SYSCALL CMPQ AX, $0xfffffffffffff001 JLS 2(PC) - CALL runtime·notok(SB) + MOVL $0xf1, 0xf1 // crash RET TEXT runtime·rt_sigaction(SB),7,$0-32 @@ -154,12 +154,17 @@ TEXT runtime·rt_sigaction(SB),7,$0-32 TEXT runtime·sigtramp(SB),7,$64 get_tls(BX) + // check that m exists + MOVQ m(BX), BP + CMPQ BP, $0 + JNE 2(PC) + CALL runtime·badsignal(SB) + // save g MOVQ g(BX), R10 MOVQ R10, 40(SP) // g = m->gsignal - MOVQ m(BX), BP MOVQ m_gsignal(BP), BP MOVQ BP, g(BX) @@ -205,7 +210,7 @@ TEXT runtime·munmap(SB),7,$0 SYSCALL CMPQ AX, $0xfffffffffffff001 JLS 2(PC) - CALL runtime·notok(SB) + MOVL $0xf1, 0xf1 // crash RET TEXT runtime·madvise(SB),7,$0 @@ -216,12 +221,7 @@ TEXT runtime·madvise(SB),7,$0 SYSCALL CMPQ AX, $0xfffffffffffff001 JLS 2(PC) - CALL runtime·notok(SB) - RET - -TEXT runtime·notok(SB),7,$0 - MOVQ $0xf1, BP - MOVQ BP, (BP) + MOVL $0xf1, 0xf1 // crash RET // int64 futex(int32 *uaddr, int32 op, int32 val, @@ -290,7 +290,7 @@ TEXT runtime·sigaltstack(SB),7,$-8 SYSCALL CMPQ AX, $0xfffffffffffff001 JLS 2(PC) - CALL runtime·notok(SB) + MOVL $0xf1, 0xf1 // crash RET // set tls base to DI @@ -303,7 +303,7 @@ TEXT runtime·settls(SB),7,$32 SYSCALL CMPQ AX, $0xfffffffffffff001 JLS 2(PC) - CALL runtime·notok(SB) + MOVL $0xf1, 0xf1 // crash RET TEXT runtime·osyield(SB),7,$0 |