def load_all_symbols(self): # Load all the XIP symbols attached to the Firmware Volume for (fv_base, fv_size) in self.platform.fvs: if self.firmware_volumes.has_key(fv_base) == False: self.firmware_volumes[ fv_base] = firmware_volume.FirmwareVolume( self.ec, fv_base, fv_size) self.firmware_volumes[fv_base].load_all_symbols(self.verbose) try: # Load all symbols of module loaded into System Memory if self.system_table is None: # Find the System Table self.system_table = system_table.SystemTable( self.ec, self.platform.sysmembase, self.platform.sysmemsize) # Find the Debug Info Table debug_info_table_base = self.system_table.get_configuration_table( system_table.DebugInfoTable.CONST_DEBUG_INFO_TABLE_GUID) self.debug_info_table = system_table.DebugInfoTable( self.ec, debug_info_table_base) self.debug_info_table.load_all_symbols(self.verbose) except: # Debugger exception could be excepted if DRAM has not been initialized or if we have not started to run from DRAM yet print "Note: no symbols have been found in System Memory (possible cause: the UEFI permanent memory has been installed yet)"
def dump_fv(ec, fv_base, fv_size): fv = firmware_volume.FirmwareVolume( ec, int(build.PCDs['gArmTokenSpaceGuid']['PcdFvBaseAddress'][0], 16), int(build.PCDs['gArmTokenSpaceGuid']['PcdFvSize'][0], 16)) ffs = fv.get_next_ffs() while ffs != None: print "# %s" % ffs section = ffs.get_next_section() while section != None: print "\t%s" % section try: print "\t\t- %s" % section.get_debug_filepath() except Exception: pass section = ffs.get_next_section(section) ffs = fv.get_next_ffs(ffs)
def load_current_symbols(self): pc = int(self.ec.getRegisterService().getValue('PC')) & 0xFFFFFFFF if self.in_fv(pc): debug_infos = [] (fv_base, fv_size) = self.get_fv_at(pc) if self.firmware_volumes.has_key(fv_base) == False: self.firmware_volumes[ fv_base] = firmware_volume.FirmwareVolume( self.ec, fv_base, fv_size) stack_frame = self.ec.getTopLevelStackFrame() info = self.firmware_volumes[fv_base].load_symbols_at( int(stack_frame.getRegisterService().getValue('PC')) & 0xFFFFFFFF, self.verbose) debug_infos.append(info) while stack_frame.next() is not None: stack_frame = stack_frame.next() # Stack frame attached to 'PC' pc = int(stack_frame.getRegisterService().getValue( 'PC')) & 0xFFFFFFFF # Check if the symbols for this stack frame have already been loaded found = False for debug_info in debug_infos: if (pc >= debug_info[0]) and ( pc < debug_info[0] + debug_info[1]): found = True if found == False: info = self.firmware_volumes[fv_base].load_symbols_at(pc) debug_infos.append(info) #self.firmware_volumes[fv_base].load_symbols_at(pc) elif self.in_sysmem(pc): debug_infos = [] if self.system_table is None: # Find the System Table self.system_table = system_table.SystemTable( self.ec, self.platform.sysmembase, self.platform.sysmemsize) # Find the Debug Info Table debug_info_table_base = self.system_table.get_configuration_table( system_table.DebugInfoTable.CONST_DEBUG_INFO_TABLE_GUID) self.debug_info_table = system_table.DebugInfoTable( self.ec, debug_info_table_base) stack_frame = self.ec.getTopLevelStackFrame() info = self.debug_info_table.load_symbols_at( int(stack_frame.getRegisterService().getValue('PC')) & 0xFFFFFFFF, self.verbose) debug_infos.append(info) while stack_frame.next() is not None: stack_frame = stack_frame.next() # Stack frame attached to 'PC' pc = int(stack_frame.getRegisterService().getValue( 'PC')) & 0xFFFFFFFF # Check if the symbols for this stack frame have already been loaded found = False for debug_info in debug_infos: if (pc >= debug_info[0]) and ( pc < debug_info[0] + debug_info[1]): found = True if found == False: try: info = self.debug_info_table.load_symbols_at(pc) debug_infos.append(info) except: pass #self.debug_info_table.load_symbols_at(pc) else: raise Exception('ArmPlatformDebugger', "Not supported region")