Fix use before set bug in arm32 guest.
I accidentally set the unwind register object using the uninitialized
arm registers. Actually set using the arm registers that contains
valid data.
Test: All unit tests pass.
Test: Ran on an arm32 guest host and verified the guest unwind is valid.
Change-Id: I20a2b6675648df1c627af80aa708071109bdf099
diff --git a/debuggerd/crash_dump.cpp b/debuggerd/crash_dump.cpp
index 00b861a..7d3830c 100644
--- a/debuggerd/crash_dump.cpp
+++ b/debuggerd/crash_dump.cpp
@@ -546,10 +546,10 @@
#else
case NATIVE_BRIDGE_ARCH_ARM: {
unwindstack::arm_user_regs arm_user_regs = {};
- regs->reset(unwindstack::RegsArm::Read(&arm_user_regs));
for (size_t i = 0; i < unwindstack::ARM_REG_LAST; i++) {
arm_user_regs.regs[i] = guest_regs.regs_arm.r[i];
}
+ regs->reset(unwindstack::RegsArm::Read(&arm_user_regs));
g_guest_arch = Architecture::ARM32;
break;