def _get_binary_path_from_link_map(self):
name = gdb_script_util.get_arg('char*', 0)
if not name:
return None
# This will be like: 0x357bc "libc.so"
matched = re.match(r'.*"(.*)"', name)
if not matched:
print('Failed to retrieve the name of the shared object: "%s"' % name)
return None
path = matched.group(1)
# Check if this is the main binary before the check for
# "lib" to handle tests which start from lib such as libndk_test
# properly.
if path == os.path.basename(self._main_binary) or path == 'main.nexe':
path = self._main_binary
else:
# Some files are in a subdirectory. So search files in the _library_path.
for dirpath, _, filenames in os.walk(self._library_path):
if path in filenames:
path = os.path.join(dirpath, path)
break
if not os.path.exists(path):
# TODO(crbug.com/354290): In theory, we should be able to
# extract the APK and tell GDB the path to the NDK shared
# object.
print('%s does not exist! Maybe NDK in APK?' % path)
return None
return path
def _get_binary_path_from_link_map(self):
name = gdb_script_util.get_arg('char*', 0)
if not name:
return None
# This will be like: 0x357bc "libc.so"
matched = re.match(r'.*"(.*)"', name)
if not matched:
print('Failed to retrieve the name of the shared object: "%s"' %
name)
return None
path = matched.group(1)
# Check if this is the main binary before the check for
# "lib" to handle tests which start from lib such as libndk_test
# properly.
if path == os.path.basename(self._main_binary) or path == 'main.nexe':
path = self._main_binary
else:
# Some files are in a subdirectory. So search files in the _library_path.
for dirpath, _, filenames in os.walk(self._library_path):
if path in filenames:
path = os.path.join(dirpath, path)
break
if not os.path.exists(path):
# TODO(crbug.com/354290): In theory, we should be able to
# extract the APK and tell GDB the path to the NDK shared
# object.
print('%s does not exist! Maybe NDK in APK?' % path)
return None
return path
def stop(self):
prot = int(gdb_script_util.get_arg('int', 2))
# Wait until the first PROT_READ|PROT_EXEC mmap.
if prot != 5:
return False
# We do not use return_value of FinishBreakpoint because it
# requires debug information. As of March 2015, nonsfi_loader has
# debug information, but NaCl team may strip it in future.
addr = int(gdb_script_util.get_arg('unsigned int', 0))
assert addr
# self.delete() should work according to the document, but it
# finishes the debugger for some reason. Instead, just disable
# this breakpoint.
self.enabled = False
MmapFinishBreakpoint(self._main_binary, self._library_path,
self._runnable_ld_path, addr)
def stop(self):
prot = int(gdb_script_util.get_arg('int', 2))
# Wait until the first PROT_READ|PROT_EXEC mmap.
if prot != 5:
return False
# We do not use return_value of FinishBreakpoint because it
# requires debug information. As of March 2015, nonsfi_loader has
# debug information, but NaCl team may strip it in future.
addr = int(gdb_script_util.get_arg('unsigned int', 0))
assert addr
# self.delete() should work according to the document, but it
# finishes the debugger for some reason. Instead, just disable
# this breakpoint.
self.enabled = False
MmapFinishBreakpoint(
self._main_binary, self._library_path,
self._runnable_ld_path, addr)
def _get_text_section_address_from_link_map(self, path):
base_addr_str = gdb_script_util.get_arg('unsigned int', 1)
if not base_addr_str:
return None
try:
base_addr = int(base_addr_str)
except ValueError:
print('Failed to retrieve the address of the shared object: ' +
base_addr_str)
return None
file_off = gdb_script_util.get_text_section_file_offset(path)
if file_off is None:
return None
return file_off + base_addr
def _get_text_section_address_from_link_map(self, path):
base_addr_str = gdb_script_util.get_arg('unsigned int', 1)
if not base_addr_str:
return None
try:
base_addr = int(base_addr_str)
except ValueError:
print('Failed to retrieve the address of the shared object: ' +
base_addr_str)
return None
file_off = gdb_script_util.get_text_section_file_offset(path)
if file_off is None:
return None
return file_off + base_addr
