Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(263)

Unified Diff: tools/grokdump.py

Issue 8957005: Add X64 minidumps support to tools/grokdump.py (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 9 years ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
« no previous file with comments | « no previous file | no next file » | no next file with comments »
Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
Index: tools/grokdump.py
diff --git a/tools/grokdump.py b/tools/grokdump.py
index 6bc49c68a83dc4fc7fc4d56f4218bf608e224a05..0c7e125e4b6d2dbf63385544db3476a109ee20f6 100755
--- a/tools/grokdump.py
+++ b/tools/grokdump.py
@@ -52,6 +52,7 @@ Examples:
$ %prog 12345678-1234-1234-1234-123456789abcd-full.dmp
"""
+
DEBUG=False
@@ -233,6 +234,80 @@ MINIDUMP_CONTEXT_X86 = Descriptor([
MD_CONTEXT_X86_EXTENDED_REGISTERS))
])
+MD_CONTEXT_AMD64 = 0x00100000
+MD_CONTEXT_AMD64_CONTROL = (MD_CONTEXT_AMD64 | 0x00000001)
+MD_CONTEXT_AMD64_INTEGER = (MD_CONTEXT_AMD64 | 0x00000002)
+MD_CONTEXT_AMD64_SEGMENTS = (MD_CONTEXT_AMD64 | 0x00000004)
+MD_CONTEXT_AMD64_FLOATING_POINT = (MD_CONTEXT_AMD64 | 0x00000008)
+MD_CONTEXT_AMD64_DEBUG_REGISTERS = (MD_CONTEXT_AMD64 | 0x00000010)
+
+MINIDUMP_CONTEXT_AMD64 = Descriptor([
+ ("p1_home", ctypes.c_uint64),
+ ("p2_home", ctypes.c_uint64),
+ ("p3_home", ctypes.c_uint64),
+ ("p4_home", ctypes.c_uint64),
+ ("p5_home", ctypes.c_uint64),
+ ("p6_home", ctypes.c_uint64),
+ ("context_flags", ctypes.c_uint32),
+ ("mx_csr", ctypes.c_uint32),
+ # MD_CONTEXT_AMD64_CONTROL.
+ ("cs", EnableOnFlag(ctypes.c_uint16, MD_CONTEXT_AMD64_CONTROL)),
+ # MD_CONTEXT_AMD64_SEGMENTS
+ ("ds", EnableOnFlag(ctypes.c_uint16, MD_CONTEXT_AMD64_SEGMENTS)),
+ ("es", EnableOnFlag(ctypes.c_uint16, MD_CONTEXT_AMD64_SEGMENTS)),
+ ("fs", EnableOnFlag(ctypes.c_uint16, MD_CONTEXT_AMD64_SEGMENTS)),
+ ("gs", EnableOnFlag(ctypes.c_uint16, MD_CONTEXT_AMD64_SEGMENTS)),
+ # MD_CONTEXT_AMD64_CONTROL.
+ ("ss", EnableOnFlag(ctypes.c_uint16, MD_CONTEXT_AMD64_CONTROL)),
+ ("eflags", EnableOnFlag(ctypes.c_uint32, MD_CONTEXT_AMD64_CONTROL)),
+ # MD_CONTEXT_AMD64_DEBUG_REGISTERS.
+ ("dr0", EnableOnFlag(ctypes.c_uint64, MD_CONTEXT_AMD64_DEBUG_REGISTERS)),
+ ("dr1", EnableOnFlag(ctypes.c_uint64, MD_CONTEXT_AMD64_DEBUG_REGISTERS)),
+ ("dr2", EnableOnFlag(ctypes.c_uint64, MD_CONTEXT_AMD64_DEBUG_REGISTERS)),
+ ("dr3", EnableOnFlag(ctypes.c_uint64, MD_CONTEXT_AMD64_DEBUG_REGISTERS)),
+ ("dr6", EnableOnFlag(ctypes.c_uint64, MD_CONTEXT_AMD64_DEBUG_REGISTERS)),
+ ("dr7", EnableOnFlag(ctypes.c_uint64, MD_CONTEXT_AMD64_DEBUG_REGISTERS)),
+ # MD_CONTEXT_AMD64_INTEGER.
+ ("rax", EnableOnFlag(ctypes.c_uint64, MD_CONTEXT_AMD64_INTEGER)),
+ ("rcx", EnableOnFlag(ctypes.c_uint64, MD_CONTEXT_AMD64_INTEGER)),
+ ("rdx", EnableOnFlag(ctypes.c_uint64, MD_CONTEXT_AMD64_INTEGER)),
+ ("rbx", EnableOnFlag(ctypes.c_uint64, MD_CONTEXT_AMD64_INTEGER)),
+ # MD_CONTEXT_AMD64_CONTROL.
+ ("rsp", EnableOnFlag(ctypes.c_uint64, MD_CONTEXT_AMD64_CONTROL)),
+ # MD_CONTEXT_AMD64_INTEGER.
+ ("rbp", EnableOnFlag(ctypes.c_uint64, MD_CONTEXT_AMD64_INTEGER)),
+ ("rsi", EnableOnFlag(ctypes.c_uint64, MD_CONTEXT_AMD64_INTEGER)),
+ ("rdi", EnableOnFlag(ctypes.c_uint64, MD_CONTEXT_AMD64_INTEGER)),
+ ("r8", EnableOnFlag(ctypes.c_uint64, MD_CONTEXT_AMD64_INTEGER)),
+ ("r9", EnableOnFlag(ctypes.c_uint64, MD_CONTEXT_AMD64_INTEGER)),
+ ("r10", EnableOnFlag(ctypes.c_uint64, MD_CONTEXT_AMD64_INTEGER)),
+ ("r11", EnableOnFlag(ctypes.c_uint64, MD_CONTEXT_AMD64_INTEGER)),
+ ("r12", EnableOnFlag(ctypes.c_uint64, MD_CONTEXT_AMD64_INTEGER)),
+ ("r13", EnableOnFlag(ctypes.c_uint64, MD_CONTEXT_AMD64_INTEGER)),
+ ("r14", EnableOnFlag(ctypes.c_uint64, MD_CONTEXT_AMD64_INTEGER)),
+ ("r15", EnableOnFlag(ctypes.c_uint64, MD_CONTEXT_AMD64_INTEGER)),
+ # MD_CONTEXT_AMD64_CONTROL.
+ ("rip", EnableOnFlag(ctypes.c_uint64, MD_CONTEXT_AMD64_CONTROL)),
+ # MD_CONTEXT_AMD64_FLOATING_POINT
+ ("sse_registers", EnableOnFlag(ctypes.c_uint8 * (16 * 26),
+ MD_CONTEXT_AMD64_FLOATING_POINT)),
+ ("vector_registers", EnableOnFlag(ctypes.c_uint8 * (16 * 26),
+ MD_CONTEXT_AMD64_FLOATING_POINT)),
+ ("vector_control", EnableOnFlag(ctypes.c_uint64,
+ MD_CONTEXT_AMD64_FLOATING_POINT)),
+ # MD_CONTEXT_AMD64_DEBUG_REGISTERS.
+ ("debug_control", EnableOnFlag(ctypes.c_uint64,
+ MD_CONTEXT_AMD64_DEBUG_REGISTERS)),
+ ("last_branch_to_rip", EnableOnFlag(ctypes.c_uint64,
+ MD_CONTEXT_AMD64_DEBUG_REGISTERS)),
+ ("last_branch_from_rip", EnableOnFlag(ctypes.c_uint64,
+ MD_CONTEXT_AMD64_DEBUG_REGISTERS)),
+ ("last_exception_to_rip", EnableOnFlag(ctypes.c_uint64,
+ MD_CONTEXT_AMD64_DEBUG_REGISTERS)),
+ ("last_exception_from_rip", EnableOnFlag(ctypes.c_uint64,
+ MD_CONTEXT_AMD64_DEBUG_REGISTERS))
+])
+
MINIDUMP_MEMORY_DESCRIPTOR = Descriptor([
("start", ctypes.c_uint64),
("memory", MINIDUMP_LOCATION_DESCRIPTOR.ctype)
@@ -269,6 +344,12 @@ MINIDUMP_THREAD_LIST = Descriptor([
("threads", lambda t: MINIDUMP_THREAD.ctype * t.thread_count)
])
+MINIDUMP_RAW_SYSTEM_INFO = Descriptor([
+ ("processor_architecture", ctypes.c_uint16)
+])
+
+MD_CPU_ARCHITECTURE_X86 = 0
+MD_CPU_ARCHITECTURE_AMD64 = 9
class MinidumpReader(object):
"""Minidump (.dmp) reader."""
@@ -288,20 +369,34 @@ class MinidumpReader(object):
for _ in xrange(self.header.stream_count):
directories.append(MINIDUMP_DIRECTORY.Read(self.minidump, offset))
offset += MINIDUMP_DIRECTORY.size
+ self.arch = None
self.exception = None
self.exception_context = None
self.memory_list = None
self.memory_list64 = None
self.thread_map = {}
+
+ # Find MDRawSystemInfo stream and determine arch.
+ for d in directories:
+ if d.stream_type == MD_SYSTEM_INFO_STREAM:
+ system_info = MINIDUMP_RAW_SYSTEM_INFO.Read(
+ self.minidump, d.location.rva)
+ self.arch = system_info.processor_architecture
+ assert self.arch in [MD_CPU_ARCHITECTURE_AMD64, MD_CPU_ARCHITECTURE_X86]
+ assert not self.arch is None
+
for d in directories:
DebugPrint(d)
- # TODO(vitalyr): extract system info including CPU features.
if d.stream_type == MD_EXCEPTION_STREAM:
self.exception = MINIDUMP_EXCEPTION_STREAM.Read(
self.minidump, d.location.rva)
DebugPrint(self.exception)
- self.exception_context = MINIDUMP_CONTEXT_X86.Read(
- self.minidump, self.exception.thread_context.rva)
+ if self.arch == MD_CPU_ARCHITECTURE_X86:
+ self.exception_context = MINIDUMP_CONTEXT_X86.Read(
+ self.minidump, self.exception.thread_context.rva)
+ elif self.arch == MD_CPU_ARCHITECTURE_AMD64:
+ self.exception_context = MINIDUMP_CONTEXT_AMD64.Read(
+ self.minidump, self.exception.thread_context.rva)
Erik Corry 2011/12/15 12:09:11 Do we output an error message if it's not one of t
DebugPrint(self.exception_context)
elif d.stream_type == MD_THREAD_LIST_STREAM:
thread_list = MINIDUMP_THREAD_LIST.Read(self.minidump, d.location.rva)
@@ -335,6 +430,16 @@ class MinidumpReader(object):
location = self.FindLocation(address)
return ctypes.c_uint32.from_buffer(self.minidump, location).value
+ def ReadU64(self, address):
+ location = self.FindLocation(address)
+ return ctypes.c_uint64.from_buffer(self.minidump, location).value
+
+ def ReadUIntPtr(self, address):
+ if self.arch == MD_CPU_ARCHITECTURE_AMD64:
+ return self.ReadU64(address)
+ elif self.arch == MD_CPU_ARCHITECTURE_X86:
+ return self.ReadU32(address)
+
def ReadBytes(self, address, size):
location = self.FindLocation(address)
return self.minidump[location:location + size]
@@ -355,10 +460,15 @@ class MinidumpReader(object):
def GetDisasmLines(self, address, size):
location = self.FindLocation(address)
if location is None: return []
+ arch = None
+ if self.arch == MD_CPU_ARCHITECTURE_X86:
+ arch = "ia32"
+ elif self.arch == MD_CPU_ARCHITECTURE_AMD64:
+ arch = "x64"
return disasm.GetDisasmLines(self.minidump_name,
location,
size,
- "ia32",
+ arch,
False)
@@ -366,6 +476,33 @@ class MinidumpReader(object):
self.minidump.close()
self.minidump_file.close()
+ def ExceptionIP(self):
+ if self.arch == MD_CPU_ARCHITECTURE_AMD64:
+ return self.exception_context.rip
+ elif self.arch == MD_CPU_ARCHITECTURE_X86:
+ return self.exception_context.eip
+
+ def ExceptionSP(self):
+ if self.arch == MD_CPU_ARCHITECTURE_AMD64:
+ return self.exception_context.rsp
+ elif self.arch == MD_CPU_ARCHITECTURE_X86:
+ return self.exception_context.rbp
+
+ def FormatIntPtr(self, value):
+ if self.arch == MD_CPU_ARCHITECTURE_AMD64:
+ return "%016x" % value
+ elif self.arch == MD_CPU_ARCHITECTURE_X86:
+ return "%08x" % value
+
+ def PointerSize(self):
+ if self.arch == MD_CPU_ARCHITECTURE_AMD64:
+ return 8
+ elif self.arch == MD_CPU_ARCHITECTURE_X86:
+ return 4
+
+ def Register(self, name):
+ return self.exception_context.__getattribute__(name)
+
# List of V8 instance types. Obtained by adding the code below to any .cc file.
#
@@ -501,34 +638,36 @@ class HeapObject(object):
p.Print(str(self))
def __str__(self):
- return "HeapObject(%08x, %s)" % (self.address,
- INSTANCE_TYPES[self.map.instance_type])
+ return "HeapObject(%s, %s)" % (self.heap.reader.FormatIntPtr(self.address),
+ INSTANCE_TYPES[self.map.instance_type])
def ObjectField(self, offset):
- field_value = self.heap.reader.ReadU32(self.address + offset)
+ field_value = self.heap.reader.ReadUIntPtr(self.address + offset)
return self.heap.FindObjectOrSmi(field_value)
def SmiField(self, offset):
- field_value = self.heap.reader.ReadU32(self.address + offset)
+ field_value = self.heap.reader.ReadUIntPtr(self.address + offset)
assert (field_value & 1) == 0
return field_value / 2
class Map(HeapObject):
- INSTANCE_TYPE_OFFSET = 8
+ def InstanceTypeOffset():
+ return self.heap.PointerSize() + self.heap.IntSize()
def __init__(self, heap, map, address):
HeapObject.__init__(self, heap, map, address)
self.instance_type = \
- heap.reader.ReadU8(self.address + Map.INSTANCE_TYPE_OFFSET)
+ heap.reader.ReadU8(self.address + self.InstanceTypeOffset())
class String(HeapObject):
- LENGTH_OFFSET = 4
+ def LengthOffset(self):
+ return self.heap.PointerSize()
def __init__(self, heap, map, address):
HeapObject.__init__(self, heap, map, address)
- self.length = self.SmiField(String.LENGTH_OFFSET)
+ self.length = self.SmiField(self.LengthOffset())
def GetChars(self):
return "?string?"
@@ -541,11 +680,12 @@ class String(HeapObject):
class SeqString(String):
- CHARS_OFFSET = 12
+ def CharsOffset(self):
+ return self.heap.PointerSize() * 3
def __init__(self, heap, map, address):
String.__init__(self, heap, map, address)
- self.chars = heap.reader.ReadBytes(self.address + SeqString.CHARS_OFFSET,
+ self.chars = heap.reader.ReadBytes(self.address + self.CharsOffset(),
self.length)
def GetChars(self):
@@ -553,6 +693,7 @@ class SeqString(String):
class ExternalString(String):
+ # TODO(vegorov) fix ExternalString for X64 architecture
RESOURCE_OFFSET = 12
WEBKIT_RESOUCE_STRING_IMPL_OFFSET = 4
@@ -582,24 +723,28 @@ class ExternalString(String):
class ConsString(String):
- LEFT_OFFSET = 12
- RIGHT_OFFSET = 16
+ def LeftOffset(self):
+ return self.heap.PointerSize() * 3
+
+ def RightOffset(self):
+ return self.heap.PointerSize() * 4
def __init__(self, heap, map, address):
String.__init__(self, heap, map, address)
- self.left = self.ObjectField(ConsString.LEFT_OFFSET)
- self.right = self.ObjectField(ConsString.RIGHT_OFFSET)
+ self.left = self.ObjectField(self.LeftOffset())
+ self.right = self.ObjectField(self.RightOffset())
def GetChars(self):
return self.left.GetChars() + self.right.GetChars()
class Oddball(HeapObject):
- TO_STRING_OFFSET = 4
+ def ToStringOffset(self):
+ return self.heap.PointerSize()
def __init__(self, heap, map, address):
HeapObject.__init__(self, heap, map, address)
- self.to_string = self.ObjectField(Oddball.TO_STRING_OFFSET)
+ self.to_string = self.ObjectField(self.ToStringOffset())
def Print(self, p):
p.Print(str(self))
@@ -609,19 +754,23 @@ class Oddball(HeapObject):
class FixedArray(HeapObject):
- LENGTH_OFFSET = 4
- ELEMENTS_OFFSET = 8
+ def LengthOffset(self):
+ return self.heap.PointerSize()
+
+ def ElementsOffset(self):
+ return self.heap.PointerSize() * 2
def __init__(self, heap, map, address):
HeapObject.__init__(self, heap, map, address)
- self.length = self.SmiField(FixedArray.LENGTH_OFFSET)
+ self.length = self.SmiField(self.LengthOffset())
def Print(self, p):
- p.Print("FixedArray(%08x) {" % self.address)
+ p.Print("FixedArray(%s) {" % self.heap.reader.FormatIntPtr(self.address))
p.Indent()
p.Print("length: %d" % self.length)
+ base_offset = self.ElementsOffset()
for i in xrange(self.length):
- offset = FixedArray.ELEMENTS_OFFSET + 4 * i
+ offset = base_offset + 4 * i
p.Print("[%08d] = %s" % (i, self.ObjectField(offset)))
p.Dedent()
p.Print("}")
@@ -631,19 +780,22 @@ class FixedArray(HeapObject):
class JSFunction(HeapObject):
- CODE_ENTRY_OFFSET = 12
- SHARED_OFFSET = 20
+ def CodeEntryOffset(self):
+ return 3 * self.heap.PointerSize()
+
+ def SharedOffset(self):
+ return 5 * self.heap.PointerSize()
def __init__(self, heap, map, address):
HeapObject.__init__(self, heap, map, address)
code_entry = \
- heap.reader.ReadU32(self.address + JSFunction.CODE_ENTRY_OFFSET)
- self.code = heap.FindObject(code_entry - Code.ENTRY_OFFSET + 1)
- self.shared = self.ObjectField(JSFunction.SHARED_OFFSET)
+ heap.reader.ReadU32(self.address + self.CodeEntryOffset())
+ self.code = heap.FindObject(code_entry - Code.HeaderSize(heap) + 1)
+ self.shared = self.ObjectField(self.SharedOffset())
def Print(self, p):
source = "\n".join(" %s" % line for line in self._GetSource().split("\n"))
- p.Print("JSFunction(%08x) {" % self.address)
+ p.Print("JSFunction(%s) {" % self.heap.reader.FormatIntPtr(self.address))
p.Indent()
p.Print("inferred name: %s" % self.shared.inferred_name)
if self.shared.script.Is(Script) and self.shared.script.name.Is(String):
@@ -662,7 +814,8 @@ class JSFunction(HeapObject):
inferred_name = ""
if self.shared.Is(SharedFunctionInfo):
inferred_name = self.shared.inferred_name
- return "JSFunction(%08x, %s)" % (self.address, inferred_name)
+ return "JSFunction(%s, %s)" % \
+ (self.heap.reader.FormatIntPtr(self.address), inferred_name)
def _GetSource(self):
source = "?source?"
@@ -675,47 +828,75 @@ class JSFunction(HeapObject):
class SharedFunctionInfo(HeapObject):
- CODE_OFFSET = 2 * 4
- SCRIPT_OFFSET = 7 * 4
- INFERRED_NAME_OFFSET = 9 * 4
- START_POSITION_AND_TYPE_OFFSET = 17 * 4
- END_POSITION_OFFSET = 18 * 4
+ def CodeOffset(self):
+ return 2 * self.heap.PointerSize()
+
+ def ScriptOffset(self):
+ return 7 * self.heap.PointerSize()
+
+ def InferredNameOffset(self):
+ return 9 * self.heap.PointerSize()
+
+ def EndPositionOffset(self):
+ return 12 * self.heap.PointerSize() + 4 * self.heap.IntSize()
+
+ def StartPositionAndTypeOffset(self):
+ return 12 * self.heap.PointerSize() + 5 * self.heap.IntSize()
def __init__(self, heap, map, address):
HeapObject.__init__(self, heap, map, address)
- self.code = self.ObjectField(SharedFunctionInfo.CODE_OFFSET)
- self.script = self.ObjectField(SharedFunctionInfo.SCRIPT_OFFSET)
- self.inferred_name = \
- self.ObjectField(SharedFunctionInfo.INFERRED_NAME_OFFSET)
- start_position_and_type = \
- self.SmiField(SharedFunctionInfo.START_POSITION_AND_TYPE_OFFSET)
- self.start_position = start_position_and_type >> 2
- self.end_position = self.SmiField(SharedFunctionInfo.END_POSITION_OFFSET)
+ self.code = self.ObjectField(self.CodeOffset())
+ self.script = self.ObjectField(self.ScriptOffset())
+ self.inferred_name = self.ObjectField(self.InferredNameOffset())
+ if heap.PointerSize() == 8:
+ start_position_and_type = \
+ heap.reader.ReadU32(self.StartPositionAndTypeOffset())
+ self.start_position = start_position_and_type >> 2
+ pseudo_smi_end_position = \
+ heap.reader.ReadU32(self.EndPositionOffset())
+ self.end_position = pseudo_smi_end_position >> 2
+ else:
+ start_position_and_type = \
+ self.SmiField(self.StartPositionAndTypeOffset())
+ self.start_position = start_position_and_type >> 2
+ self.end_position = \
+ self.SmiField(self.EndPositionOffset())
class Script(HeapObject):
- SOURCE_OFFSET = 4
- NAME_OFFSET = 8
+ def SourceOffset(self):
+ return self.heap.PointerSize()
+
+ def NameOffset(self):
+ return self.SourceOffset() + self.heap.PointerSize()
def __init__(self, heap, map, address):
HeapObject.__init__(self, heap, map, address)
- self.source = self.ObjectField(Script.SOURCE_OFFSET)
- self.name = self.ObjectField(Script.NAME_OFFSET)
+ self.source = self.ObjectField(self.SourceOffset())
+ self.name = self.ObjectField(self.NameOffset())
class Code(HeapObject):
- INSTRUCTION_SIZE_OFFSET = 4
- ENTRY_OFFSET = 32
+ CODE_ALIGNMENT_MASK = (1 << 5) - 1
+
+ def InstructionSizeOffset(self):
+ return self.heap.PointerSize()
+
+ @staticmethod
+ def HeaderSize(heap):
+ return (heap.PointerSize() + heap.IntSize() + \
+ 4 * heap.PointerSize() + 3 * heap.IntSize() + \
+ CODE_ALIGNMENT_MASK) & ~CODE_ALIGNMENT_MASK
def __init__(self, heap, map, address):
HeapObject.__init__(self, heap, map, address)
- self.entry = self.address + Code.ENTRY_OFFSET
+ self.entry = self.address + Code.HeaderSize(heap)
self.instruction_size = \
- heap.reader.ReadU32(self.address + Code.INSTRUCTION_SIZE_OFFSET)
+ heap.reader.ReadU32(self.address + self.InstructionSizeOffset())
def Print(self, p):
lines = self.heap.reader.GetDisasmLines(self.entry, self.instruction_size)
- p.Print("Code(%08x) {" % self.address)
+ p.Print("Code(%s) {" % self.heap.reader.FormatIntPtr(self.address))
p.Indent()
p.Print("instruction_size: %d" % self.instruction_size)
p.PrintLines(self._FormatLine(line) for line in lines)
@@ -767,7 +948,7 @@ class V8Heap(object):
if (tagged_address & 1) != 1: return None
address = tagged_address - 1
if not self.reader.IsValidAddress(address): return None
- map_tagged_address = self.reader.ReadU32(address)
+ map_tagged_address = self.reader.ReadUIntPtr(address)
if tagged_address == map_tagged_address:
# Meta map?
meta_map = Map(self, None, address)
@@ -785,9 +966,19 @@ class V8Heap(object):
self.objects[tagged_address] = object
return object
+ def PointerSize(self):
+ return self.reader.PointerSize()
+
+
EIP_PROXIMITY = 64
+CONTEXT_FOR_ARCH = {
+ MD_CPU_ARCHITECTURE_AMD64:
+ ['rax', 'rbx', 'rcx', 'rdx', 'rdi', 'rsi', 'rbp', 'rsp', 'rip'],
+ MD_CPU_ARCHITECTURE_X86:
+ ['eax', 'ebx', 'ecx', 'edx', 'edi', 'esi', 'ebp', 'esp', 'eip']
+}
def AnalyzeMinidump(options, minidump_name):
reader = MinidumpReader(options, minidump_name)
@@ -800,40 +991,35 @@ def AnalyzeMinidump(options, minidump_name):
print " thread id: %d" % exception_thread.id
print " code: %08X" % reader.exception.exception.code
print " context:"
- print " eax: %08x" % reader.exception_context.eax
- print " ebx: %08x" % reader.exception_context.ebx
- print " ecx: %08x" % reader.exception_context.ecx
- print " edx: %08x" % reader.exception_context.edx
- print " edi: %08x" % reader.exception_context.edi
- print " esi: %08x" % reader.exception_context.esi
- print " ebp: %08x" % reader.exception_context.ebp
- print " esp: %08x" % reader.exception_context.esp
- print " eip: %08x" % reader.exception_context.eip
+ for r in CONTEXT_FOR_ARCH[reader.arch]:
+ print " %s: %s" % (r, reader.FormatIntPtr(reader.Register(r)))
# TODO(vitalyr): decode eflags.
print " eflags: %s" % bin(reader.exception_context.eflags)[2:]
print
+ stack_top = reader.ExceptionSP()
stack_bottom = exception_thread.stack.start + \
exception_thread.stack.memory.data_size
- stack_map = {reader.exception_context.eip: -1}
- for slot in xrange(reader.exception_context.esp, stack_bottom, 4):
- maybe_address = reader.ReadU32(slot)
+ stack_map = {reader.ExceptionIP(): -1}
+ for slot in xrange(stack_top, stack_bottom, reader.PointerSize()):
+ maybe_address = reader.ReadUIntPtr(slot)
if not maybe_address in stack_map:
stack_map[maybe_address] = slot
heap = V8Heap(reader, stack_map)
print "Disassembly around exception.eip:"
- start = reader.exception_context.eip - EIP_PROXIMITY
+ start = reader.ExceptionIP() - EIP_PROXIMITY
lines = reader.GetDisasmLines(start, 2 * EIP_PROXIMITY)
for line in lines:
print FormatDisasmLine(start, heap, line)
print
print "Annotated stack (from exception.esp to bottom):"
- for slot in xrange(reader.exception_context.esp, stack_bottom, 4):
- maybe_address = reader.ReadU32(slot)
+ for slot in xrange(stack_top, stack_bottom, reader.PointerSize()):
+ maybe_address = reader.ReadUIntPtr(slot)
heap_object = heap.FindObject(maybe_address)
- print "%08x: %08x" % (slot, maybe_address)
+ print "%s: %s" % (reader.FormatIntPtr(slot),
+ reader.FormatIntPtr(maybe_address))
if heap_object:
heap_object.Print(Printer())
print
« no previous file with comments | « no previous file | no next file » | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698