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-rw-r--r--lib/xray/xray_AArch64.cc5
-rw-r--r--test/xray/TestCases/Linux/patching-unpatching.cc1
2 files changed, 4 insertions, 2 deletions
diff --git a/lib/xray/xray_AArch64.cc b/lib/xray/xray_AArch64.cc
index 8f24610da..12b4a6fad 100644
--- a/lib/xray/xray_AArch64.cc
+++ b/lib/xray/xray_AArch64.cc
@@ -75,8 +75,8 @@ inline static bool patchSled(const bool Enable, const uint32_t FuncId,
// B #32
uint32_t *FirstAddress = reinterpret_cast<uint32_t *>(Sled.Address);
+ uint32_t *CurAddress = FirstAddress + 1;
if (Enable) {
- uint32_t *CurAddress = FirstAddress + 1;
*CurAddress = uint32_t(PatchOpcodes::PO_LdrW0_12);
CurAddress++;
*CurAddress = uint32_t(PatchOpcodes::PO_LdrX16_12);
@@ -88,6 +88,7 @@ inline static bool patchSled(const bool Enable, const uint32_t FuncId,
*reinterpret_cast<void (**)()>(CurAddress) = TracingHook;
CurAddress += 2;
*CurAddress = uint32_t(PatchOpcodes::PO_LdpX0X30SP_16);
+ CurAddress++;
std::atomic_store_explicit(
reinterpret_cast<std::atomic<uint32_t> *>(FirstAddress),
uint32_t(PatchOpcodes::PO_StpX0X30SP_m16e), std::memory_order_release);
@@ -96,6 +97,8 @@ inline static bool patchSled(const bool Enable, const uint32_t FuncId,
reinterpret_cast<std::atomic<uint32_t> *>(FirstAddress),
uint32_t(PatchOpcodes::PO_B32), std::memory_order_release);
}
+ __clear_cache(reinterpret_cast<char*>(FirstAddress),
+ reinterpret_cast<char*>(CurAddress));
return true;
}
diff --git a/test/xray/TestCases/Linux/patching-unpatching.cc b/test/xray/TestCases/Linux/patching-unpatching.cc
index e684e427f..05478a488 100644
--- a/test/xray/TestCases/Linux/patching-unpatching.cc
+++ b/test/xray/TestCases/Linux/patching-unpatching.cc
@@ -3,7 +3,6 @@
//
// RUN: %clangxx_xray -fxray-instrument -std=c++11 %s -o %t
// RUN: XRAY_OPTIONS="patch_premain=false" %run %t 2>&1 | FileCheck %s
-// REQUIRES: stable-runtime
#include "xray/xray_interface.h"