https://bugs.kde.org/show_bug.cgi?id=368823
Bug ID: 368823
Summary: run_a_thread_NORETURN assembly code typo for
VGP_arm64_linux target
Product: valgrind
Version: 3.11.0
Platform: Android
OS: other
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: memcheck
Assignee: jsew...@acm.org
Reporter: c...@google.com
When compiled with clang/llvm, llvm assembler reported error in
run_a_thread_NORETURN assembly code. The following diff will fix the problem.
diff --git a/coregrind/m_syswrap/syswrap-linux.c
b/coregrind/m_syswrap/syswrap-linux.c
index f796969..6584c16 100644
--- a/coregrind/m_syswrap/syswrap-linux.c
+++ b/coregrind/m_syswrap/syswrap-linux.c
@@ -269,12 +269,12 @@ static void run_a_thread_NORETURN ( Word tidW )
#elif defined(VGP_arm64_linux)
asm volatile (
"str %w1, %0\n" /* set tst->status = VgTs_Empty (32-bit store)
*/
- "mov x8, %2\n" /* set %r7 = __NR_exit */
- "ldr x0, %3\n" /* set %r0 = tst->os_state.exitcode */
+ "mov x8, %2\n" /* set %x8 = __NR_exit */
+ "ldr x0, %3\n" /* set %x0 = tst->os_state.exitcode */
"svc 0x00000000\n" /* exit(tst->os_state.exitcode) */
: "=m" (tst->status)
: "r" (VgTs_Empty), "n" (__NR_exit), "m" (tst->os_state.exitcode)
- : "r0", "r7"
+ : "x0", "x8"
);
#elif defined(VGP_s390x_linux)
asm volatile (
Reproducible: Always
Steps to Reproduce:
On Android platform, use clang/llvm to build external/valgrind for
aosp_arm64-eng target.
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