#============================================================================ # #/** @file gcc_map.py # # GENERAL DESCRIPTION # Simplify the memmap output of gnu linker to extract size/location # information for easy processing # # Copyright (c) 2014 - 2016 Qualcomm Technologies, Inc. All Rights Reserved. # Qualcomm Technologies Proprietary and Confidential. # #**/ # #---------------------------------------------------------------------------- # # EDIT HISTORY FOR FILE # # This section contains comments describing changes made to the module. # Notice that changes are listed in reverse chronological order. # # when who what, where, why # -------- --- ------------------------------------------------------ # 06/10/16 ml Added wider column for symbols. Aligned header. # 10/26/15 yg Fix to get appropriate size for all type of mem # 09/30/15 bh Merge changes from yg # 07/09/15 yg Handle unkown symbols # 05/30/14 yg Handle Linux/Windows build variants # 05/12/14 yg Collect and print statistics # 05/07/14 yg Initial revision # #============================================================================ import os import sys import re import string import pdb PROCESS_SKIP_TILL_MEM_MAP = 1 PROCESS_MEM_MAP = 2 TextTotal = 0 RoDataTotal = 0 DataTotal = 0 BssTotal = 0 Addr = 0 Size = 0 PrevAddr = 0 FillerTotal = 0 prevsym = '' SymType = 0 LineNum = 0 PATH_TYPE_NONE = 0 PATH_TYPE_WIN = 1 PATH_TYPE_LIN = 2 path_type = 0 path_seperator = "" SYM_TYPE_TEXT = 1 SYM_TYPE_RODATA = 2 SYM_TYPE_BSS = 3 SYM_TYPE_DATA = 4 SYM_TYPE_UNKNOWN = 5 TypeStrings = [" ", "Text", "RO", "ZI", "RW", "??"] if len(sys.argv) < 2: print "Usage: gcc_map.py " raise RuntimeError, "Usage: gcc_map.py " source_file = sys.argv[1] fp = open(source_file) print " %5s %18s %8s %8s %-60s %s" % ("Size", "Address", "HexSize", "Type", "Symbol", "Path") process_state = PROCESS_SKIP_TILL_MEM_MAP while 1: line = fp.readline() if not line: break #print line line = line.strip() LineNum = LineNum + 1 # if LineNum == 1055: # pdb.set_trace() if len(line) == 0: continue # Skip everything till we get to interesting point of map if string.find(line.upper(), "Linker script and memory map".upper()) != -1: process_state = PROCESS_MEM_MAP continue # Stop processing when map contents is finished if ((string.find(line, "START GROUP") != -1) or (string.find(line, "/DISCARD/") != -1)) and (TextTotal > 0): break if path_type == PATH_TYPE_NONE: path_seperator = "/AARCH64/" if string.find(line, path_seperator) != -1: path_type = PATH_TYPE_LIN else: path_seperator = "\\AARCH64\\" if string.find(line, path_seperator) != -1: path_type = PATH_TYPE_WIN # Process the interesting part of the map if process_state == PROCESS_MEM_MAP: if string.find(line, "*fill*") != -1: # Skip the stuff we don't need fls = line.split() sz = int(fls[2], 16) FillerTotal = FillerTotal + sz continue if string.find(line, "size before relaxing") != -1: # Skip the stuff we don't need continue if string.find(line, "SYSTEM_DEBUG_DATA") != -1: # Skip the stuff we don't need continue #print line #pdb.set_trace() words = line.split(); if (words[0].find('.text.') != -1): SymType = SYM_TYPE_TEXT elif (words[0].find('.bss.') != -1): SymType = SYM_TYPE_BSS elif (words[0].find('.rodata.') != -1): SymType = SYM_TYPE_RODATA elif (words[0].find('.data.') != -1): SymType = SYM_TYPE_DATA # ignore the sections that we are not interested in if ((words[0].find('.comment') != -1) or (words[0].find('.debug') != -1) or (words[0].find('.stab') != -1)) : SymType = SYM_TYPE_UNKNOWN continue if ((words[0].find('.text.') != -1) or (words[0].find('.bss.') != -1) or (words[0].find('.rodata.') != -1) or (words[0].find('.data.') != -1)) : words[0] = words[0].strip('.') syms = words[0].split('.') type = syms[0] prevsym = syms[1] if len(prevsym) < 2: try: prevsym = syms[2] except: continue pass if len(prevsym) < 2: prevsym = syms[3] prevsym = " _" + prevsym if len(words) > 1: try: Addr = int(words[1], 16) except: continue pass Size = int(words[2], 16) paths = words[3].split(path_seperator) if len(paths) > 1: file = paths[1] else: file = '' if (Size > 0): if SymType == SYM_TYPE_TEXT: TextTotal = TextTotal + Size elif SymType == SYM_TYPE_BSS: BssTotal = BssTotal + Size elif SymType == SYM_TYPE_RODATA: if (Addr > 0): RoDataTotal = RoDataTotal + Size else: SymType = SYM_TYPE_UNKNOWN elif SymType == SYM_TYPE_DATA: DataTotal = DataTotal + Size if SymType != SYM_TYPE_UNKNOWN: print " %5d 0x%016X %8s %8s %-60s %s" % (Size, Addr, words[2], TypeStrings[SymType], prevsym, file) else: #print ".%s.%s" % (type, prevsym) continue continue else: if len(words) == 4: try: Addr = int(words[1], 16) except: Addr = 0xa5a5a5a5 #print 'Exception : %s' % words[1] pass try: Size = int(words[2], 16) except: Size = 0xa5a5a5a6 #print 'Exception : %s' % words[2] pass continue paths = words[3].split(path_seperator) if len(paths) > 1: file = paths[1] else: file = '' if (Size > 0): if SymType == SYM_TYPE_TEXT: TextTotal = TextTotal + Size elif SymType == SYM_TYPE_BSS: BssTotal = BssTotal + Size elif SymType == SYM_TYPE_RODATA: if (Addr > 0): RoDataTotal = RoDataTotal + Size else: SymType = SYM_TYPE_UNKNOWN elif SymType == SYM_TYPE_DATA: DataTotal = DataTotal + Size if SymType != SYM_TYPE_UNKNOWN: print " %5d 0x%016X %8s %8s %60s %s" % (Size, Addr, words[2], TypeStrings[SymType], '', file) Addr = 0x3434 elif len(words) == 3: try: Addr = int(words[0], 16) except: Addr = 0xa5a5a5a7 #print 'Exception : %s' % words[0] continue pass Size = int(words[1], 16) paths = words[2].split(path_seperator) if len(paths) > 1: file = paths[1] else: file = '' if (Size > 0): if SymType == SYM_TYPE_TEXT: TextTotal = TextTotal + Size elif SymType == SYM_TYPE_BSS: BssTotal = BssTotal + Size elif SymType == SYM_TYPE_RODATA: if (Addr > 0): RoDataTotal = RoDataTotal + Size else: SymType = SYM_TYPE_UNKNOWN elif SymType == SYM_TYPE_DATA: DataTotal = DataTotal + Size if SymType != SYM_TYPE_UNKNOWN: print " %5d 0x%016X %8s %8s %-60s %s" % (Size, Addr, words[1], TypeStrings[SymType], prevsym, file) elif len(words) == 2: try: adr = int(words[0], 16) except: adr = 0xa5a5a5a3 #print 'Exception : %s' % words[0] continue pass sym = words[1] if Addr != adr: if SymType != SYM_TYPE_UNKNOWN: print " 0x%016X %s" % (adr, sym) #print words print "\n\n" print " Totals : Size in Hex" print " Text : %6d 0x%05X" % (TextTotal, TextTotal) print " BSS : %6d 0x%05X" % (BssTotal, BssTotal) print " RO Data : %6d 0x%05X" % (RoDataTotal, RoDataTotal) print " RW Data : %6d 0x%05X" % (DataTotal, DataTotal) print " Filler : %6d 0x%05X" % (FillerTotal, FillerTotal) # This size number should match the last address location of the image since the base is 0. # there is small descrepency, that it doens't match, but its usable # TODO: fix the leaked size GTotal = TextTotal + BssTotal + RoDataTotal + DataTotal + FillerTotal print " Grand Total : %6d 0x%05X" % (GTotal, GTotal)