[HARMONY-1912] [drlvm][jit][opt] SIGSEGV during stack dump on Linux

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Component/s: DRLVM
• Environment: SUSE9
• Assignee: Alexey Varlamov
• Reporter: Alexey Varlamov
• Created: 18/Oct/06 11:42
• Updated: 19/Mar/07 15:54
• Resolved: 19/Mar/07 09:59

Description

There is some issue in StackInfo, manifesting itself as a segmentation fault during stack dump.
For example, see HARMONY-1911, HARMONY-1908, HARMONY-1908, HARMONY-1905.
Typical backtrace is as follows:

SIGSEGV in VM code.
Stack trace:
41: Jitrino::Ia32::StackInfo::readByteSize(unsigned char const*) const (/export/users2/avarlamo/linux.ia32/svn-repo/drlvm/vm/jitrino/src/codegenerator/ia32/Ia32StackInfo.cpp:107)
42: Jitrino::Ia32::RuntimeInterface::getBcLocationForNative(Jitrino::MethodDesc*, unsigned long long, unsigned short*) (/export/users2/avarlamo/linux.ia32/svn-repo/drlvm/vm/jitrino/src/codegenerator/ia32/Ia32RuntimeInterface.cpp:78)
43: Jitrino::Jitrino::GetBcLocationForNative(Jitrino::MethodDesc*, unsigned long long, unsigned short*) (/export/users2/avarlamo/linux.ia32/svn-repo/drlvm/vm/jitrino/src/main/Jitrino.cpp:358)
44: get_bc_location_for_native (/export/users2/avarlamo/linux.ia32/svn-repo/drlvm/vm/jitrino/src/vm/drl/DrlJITInterface.cpp:590)
45: Dll_JIT::get_bc_location_for_native(Method*, void*, unsigned short*) (/export/users2/avarlamo/linux.ia32/svn-repo/drlvm/vm/vmcore/include/dll_jit_intf.h:240)
46: get_file_and_line (/export/users2/avarlamo/linux.ia32/svn-repo/drlvm/vm/vmcore/src/stack/stack_trace.cpp:60)
47: st_get_java_method_info (/export/users2/avarlamo/linux.ia32/svn-repo/drlvm/vm/vmcore/src/stack/stack_dump.cpp:196)
48: st_print_stack(Registers*) (/export/users2/avarlamo/linux.ia32/svn-repo/drlvm/vm/vmcore/src/stack/stack_dump.cpp:242)

Issue Links

• incorporates: HARMONY-2667 [drlvm]stack_trace.cpp:get_file_and_line(...) uses incorrect IP for hardware exceptions
• is related to: HARMONY-3428 [drlvm][winx64] HWA fails with new VEH in Interpreter/debug mode