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!127 clang编译的系统镜像内核栈回溯功能失效 

Merge pull request !127 from zhangfanfan2/master
This commit is contained in:
openharmony_ci 2021-04-08 14:53:13 +08:00 committed by Gitee
parent a8d057b8b4 03a64228ed
commit cf5baa29f2
1 changed files with 9 additions and 0 deletions
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9
arch/arm/arm/src/los_exc.c
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@ -688,12 +688,21 @@ VOID BackTraceSub(UINTPTR regFP)
while (IsValidFP(backFP, stackStart, stackEnd, &kvaddr) == TRUE) {
tmpFP = backFP;
#ifdef LOSCFG_COMPILER_CLANG_LLVM
backFP = *(UINTPTR *)(UINTPTR)kvaddr;
if (IsValidFP(tmpFP + POINTER_SIZE, stackStart, stackEnd, &kvaddr) == FALSE) {
PrintExcInfo("traceback backLR check failed, backLP: 0x%x\n", tmpFP + POINTER_SIZE);
return;
}
backLR = *(UINTPTR *)(UINTPTR)kvaddr;
#else
backLR = *(UINTPTR *)(UINTPTR)kvaddr;
if (IsValidFP(tmpFP - POINTER_SIZE, stackStart, stackEnd, &kvaddr) == FALSE) {
PrintExcInfo("traceback backFP check failed, backFP: 0x%x\n", tmpFP - POINTER_SIZE);
return;
}
backFP = *(UINTPTR *)(UINTPTR)kvaddr;
#endif
#ifdef LOSCFG_KERNEL_VM
LosVmMapRegion *region = NULL;
if (LOS_IsUserAddress((VADDR_T)backLR) == TRUE) {