diff options
Diffstat (limited to 'deps/v8/tools/grokdump.py')
| -rwxr-xr-x | deps/v8/tools/grokdump.py | 67 |
1 files changed, 58 insertions, 9 deletions
diff --git a/deps/v8/tools/grokdump.py b/deps/v8/tools/grokdump.py index bb784ce806..5d9ffff607 100755 --- a/deps/v8/tools/grokdump.py +++ b/deps/v8/tools/grokdump.py @@ -579,6 +579,9 @@ MD_CPU_ARCHITECTURE_ARM = 5 MD_CPU_ARCHITECTURE_ARM64 = 0x8003 MD_CPU_ARCHITECTURE_AMD64 = 9 +OBJDUMP_BIN = None +DEFAULT_OBJDUMP_BIN = '/usr/bin/objdump' + class FuncSymbol: def __init__(self, start, size, name): self.start = start @@ -623,6 +626,11 @@ class MinidumpReader(object): self.modules_with_symbols = [] self.symbols = [] + self._ReadArchitecture(directories) + self._ReadDirectories(directories) + self._FindObjdump(options) + + def _ReadArchitecture(self, directories): # Find MDRawSystemInfo stream and determine arch. for d in directories: if d.stream_type == MD_SYSTEM_INFO_STREAM: @@ -635,6 +643,7 @@ class MinidumpReader(object): MD_CPU_ARCHITECTURE_X86] assert not self.arch is None + def _ReadDirectories(self, directories): for d in directories: DebugPrint(d) if d.stream_type == MD_EXCEPTION_STREAM: @@ -680,6 +689,44 @@ class MinidumpReader(object): assert ctypes.sizeof(self.memory_list64) == d.location.data_size DebugPrint(self.memory_list64) + def _FindObjdump(self, options): + if options.objdump: + objdump_bin = options.objdump + else: + objdump_bin = self._FindThirdPartyObjdump() + if not objdump_bin or not os.path.exists(objdump_bin): + print "# Cannot find '%s', falling back to default objdump '%s'" % ( + objdump_bin, DEFAULT_OBJDUMP_BIN) + objdump_bin = DEFAULT_OBJDUMP_BIN + global OBJDUMP_BIN + OBJDUMP_BIN = objdump_bin + disasm.OBJDUMP_BIN = objdump_bin + + def _FindThirdPartyObjdump(self): + # Try to find the platform specific objdump + third_party_dir = os.path.join( + os.path.dirname(os.path.dirname(__file__)), 'third_party') + objdumps = [] + for root, dirs, files in os.walk(third_party_dir): + for file in files: + if file.endswith("objdump"): + objdumps.append(os.path.join(root, file)) + if self.arch == MD_CPU_ARCHITECTURE_ARM: + platform_filter = 'arm-linux' + elif self.arch == MD_CPU_ARCHITECTURE_ARM64: + platform_filter = 'aarch64' + else: + # use default otherwise + return None + print ("# Looking for platform specific (%s) objdump in " + "third_party directory.") % platform_filter + objdumps = filter(lambda file: platform_filter in file >= 0, objdumps) + if len(objdumps) == 0: + print "# Could not find platform specific objdump in third_party." + print "# Make sure you installed the correct SDK." + return None + return objdumps[0] + def ContextDescriptor(self): if self.arch == MD_CPU_ARCHITECTURE_X86: return MINIDUMP_CONTEXT_X86 @@ -3008,9 +3055,16 @@ class InspectionWebFormatter(object): marker = "" if stack_slot: marker = "=>" - op_offset = 3 * num_bytes - 1 code = line[1] + + # Some disassemblers insert spaces between each byte, + # while some do not. + if code[2] == " ": + op_offset = 3 * num_bytes - 1 + else: + op_offset = 2 * num_bytes + # Compute the actual call target which the disassembler is too stupid # to figure out (it adds the call offset to the disassembly offset rather # than the absolute instruction address). @@ -3807,15 +3861,10 @@ if __name__ == "__main__": help="dump all information contained in the minidump") parser.add_option("--symdir", dest="symdir", default=".", help="directory containing *.pdb.sym file with symbols") - parser.add_option("--objdump", - default="/usr/bin/objdump", - help="objdump tool to use [default: %default]") + parser.add_option("--objdump", default="", + help="objdump tool to use [default: %s]" % ( + DEFAULT_OBJDUMP_BIN)) options, args = parser.parse_args() - if os.path.exists(options.objdump): - disasm.OBJDUMP_BIN = options.objdump - OBJDUMP_BIN = options.objdump - else: - print "Cannot find %s, falling back to default objdump" % options.objdump if len(args) != 1: parser.print_help() sys.exit(1) |