valgrind/valgrind-3.14.0-arm64-ptrace-traceme.patch
2018-12-14 15:54:45 +01:00

25 lines
892 B
Diff

commit 43fe4bc236d667257eeebfb4f6bcbe2b92aea455
Author: Mark Wielaard <mark@klomp.org>
Date: Fri Dec 14 14:32:27 2018 +0100
arm64: Fix PTRACE_TRACEME memcheck/tests/linux/getregset.vgtest testcase.
The sys_ptrace post didn't mark the thread as being in traceme mode.
This occassionally would make the memcheck/tests/linux/getregset.vgtest
testcase fail. With this patch it reliably passes.
diff --git a/coregrind/m_syswrap/syswrap-arm64-linux.c b/coregrind/m_syswrap/syswrap-arm64-linux.c
index 9ef54b4..650f5b9 100644
--- a/coregrind/m_syswrap/syswrap-arm64-linux.c
+++ b/coregrind/m_syswrap/syswrap-arm64-linux.c
@@ -499,6 +499,9 @@ PRE(sys_ptrace)
POST(sys_ptrace)
{
switch (ARG1) {
+ case VKI_PTRACE_TRACEME:
+ ML_(linux_POST_traceme)(tid);
+ break;
case VKI_PTRACE_PEEKTEXT:
case VKI_PTRACE_PEEKDATA:
case VKI_PTRACE_PEEKUSR: