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author Elliott Hughes <enh@google.com> 2012-05-22 15:10:45 -0700
committer Elliott Hughes <enh@google.com> 2012-06-01 10:42:55 -0700
commit46e251bf7200cc06f5a9a82ee2030e650f5e1443 (patch)
tree9cfe6a0184fd07cd77819702cd63394e3475383b /src/compiler_llvm/compiler_llvm.cc
parent6f3d0518f06dc0eb0fb40e03b4b35e840c81e95f (diff)
Switch to libcorkscrew for native stack traces.
This is both for the current thread (which backtrace(3) could do) and other threads, which is functionality we didn't have on x86 before. We jump through the appropriate hoops to get static symbols as well as dynamic ones. Also unify the existing native stack dumpers so they can share the best code. Example x86 check failure: *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** Fatal signal 11 (SIGSEGV), code 1 (SEGV_MAPERR) fault addr 0xdeadd00d Registers: eax: 0x00000000 ebx: 0x55a966f0 ecx: 0x55d523c0 edx: 0x09225a50 edi: 0x559d9b84 esi: 0xfffd8bcc ebp: 0x55a9aba0 esp: 0xfffd8b90 eip: 0x558e2e98 eflags: 0x00010246 [ PF ZF IF ] cs: 0x00000023 ds: 0x0000002b es: 0x0000002b fs: 0x00000007 gs: 0x00000063 ss: 0x0000002b Backtrace: #00 unwind_backtrace_thread+536 [0x55d76bb8] (libcorkscrew.so) #01 art::DumpNativeStack(std::ostream&, int, char const*, bool)+79 [0x55924fcf] (libartd.so) #02 art::HandleUnexpectedSignal(int, siginfo*, void*)+1431814659 [0x5597cc23] (libartd.so) #03 __kernel_rt_sigreturn [0x55573410] ([vdso]) #04 art::Runtime::Abort()+600 [0x558e2e98] (libartd.so) #05 art::LogMessage::~LogMessage()+1052 [0x5580c16c] (libartd.so) #06 art::EnsureResolved(art::Class*)+336 [0x5570dad0] (libartd.so) #07 art::ClassLinker::FindClass(char const*, art::ClassLoader const*)+144 [0x5571bc90] (libartd.so) #08 art::ClassLinker::FindSystemClass(char const*)+43 [0x5572287b] (libartd.so) #09 art::ClassLinker::FinishInit()+82 [0x557228d2] (libartd.so) #10 art::ClassLinker::InitFromImage()+1469 [0x5572451d] (libartd.so) #11 art::ClassLinker::CreateFromImage(art::InternTable*)+60 [0x5572583c] (libartd.so) #12 art::Runtime::Init(std::vector<std::pair<std::string, void const*>, std::allocator<std::pair<std::string, void const*> > > const&, bool)+943 [0x558e882f] (libartd.so) #13 art::Runtime::Create(std::vector<std::pair<std::string, void const*>, std::allocator<std::pair<std::string, void const*> > > const&, bool)+119 [0x558e9057] (libartd.so) #14 art::Dex2Oat::CreateRuntime(std::vector<std::pair<std::string, void const*>, std::allocator<std::pair<std::string, void const*> > >&, art::InstructionSet)+42 [0x80ac68a] (dex2oatd) #15 art::Dex2Oat::Create(std::vector<std::pair<std::string, void const*>, std::allocator<std::pair<std::string, void const*> > >&, art::InstructionSet, unsigned int, bool)+60 [0x80ac87c] (dex2oatd) #16 art::dex2oat(int, char**)+3167 [0x80894cf] (dex2oatd) #17 main+17 [0x8086a01] (dex2oatd) #18 __libc_start_main+230 [0x55c12bd6] (libc-2.11.1.so) Example x86 SIGQUIT dump (note the three stacks, and note the absence of all the crap that makes dalvik's attempt so unreadable): "Thread-10" prio=5 tid=11 VmWait | group="main" sCount=1 dsCount=0 obj=0x612d6620 self=0x884f8f0 | sysTid=30512 nice=0 sched=0/0 cgrp=default handle=1458686832 | schedstat=( 1249502 8995 26 ) utm=0 stm=0 core=14 HZ=100 | stackSize=1044KB stack=0x57905000-0x57906000 kernel: futex_wait_queue_me+0xcd/0x110 kernel: futex_wait+0x1e5/0x310 kernel: do_futex+0x101/0xb00 kernel: compat_sys_futex+0x75/0x160 kernel: sysenter_dispatch+0x7/0x2e native: __kernel_vsyscall+14 [0x5557342e] ([vdso]) native: pthread_mutex_lock+54 [0x55cd8bf6] (libc-2.11.1.so) native: art::Mutex::Lock()+86 [0x55823a86] (libartd.so) at java.lang.AbstractStringBuilder.<init>(AbstractStringBuilder.java:75) at java.lang.StringBuilder.<init>(StringBuilder.java:54) at java.lang.Thread.create(Thread.java:427) at java.lang.Thread.<init>(Thread.java:223) at ThreadStress$1.run(ThreadStress.java:134) (cherry picked from commit 00e446e5d912100b831fdcdbc276e7c31447f0c4) Conflicts: src/thread.cc Change-Id: I4712f8235992eafe6d8d6f915aa96f684bceaff2
Diffstat (limited to 'src/compiler_llvm/compiler_llvm.cc')
0 files changed, 0 insertions, 0 deletions