1 ## @file 2 # Generate PCD table for 'Patchable In Module' type PCD with given .map file. 3 # The Patch PCD table like: 4 # 5 # PCD Name Offset in binary 6 # ======== ================ 7 # 8 # Copyright (c) 2008 - 2016, Intel Corporation. All rights reserved.<BR> 9 # This program and the accompanying materials 10 # are licensed and made available under the terms and conditions of the BSD License 11 # which accompanies this distribution. The full text of the license may be found at 12 # http://opensource.org/licenses/bsd-license.php 13 # 14 # THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 15 # WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 16 # 17 # 18 19 #====================================== External Libraries ======================================== 20 import optparse 21 import Common.LongFilePathOs as os 22 import re 23 import array 24 25 from Common.BuildToolError import * 26 import Common.EdkLogger as EdkLogger 27 from Common.Misc import PeImageClass 28 from Common.BuildVersion import gBUILD_VERSION 29 from Common.LongFilePathSupport import OpenLongFilePath as open 30 31 # Version and Copyright 32 __version_number__ = ("0.10" + " " + gBUILD_VERSION) 33 __version__ = "%prog Version " + __version_number__ 34 __copyright__ = "Copyright (c) 2008 - 2010, Intel Corporation. All rights reserved." 35 36 #====================================== Internal Libraries ======================================== 37 38 #============================================== Code =============================================== 39 secRe = re.compile('^([\da-fA-F]+):([\da-fA-F]+) +([\da-fA-F]+)[Hh]? +([.\w\$]+) +(\w+)', re.UNICODE) 40 symRe = re.compile('^([\da-fA-F]+):([\da-fA-F]+) +([\.\-:\\\\\w\?@\$<>]+) +([\da-fA-F]+)', re.UNICODE) 41 42 def parsePcdInfoFromMapFile(mapfilepath, efifilepath): 43 """ Parse map file to get binary patch pcd information 44 @param path Map file absolution path 45 46 @return a list which element hold (PcdName, Offset, SectionName) 47 """ 48 lines = [] 49 try: 50 f = open(mapfilepath, 'r') 51 lines = f.readlines() 52 f.close() 53 except: 54 return None 55 56 if len(lines) == 0: return None 57 firstline = lines[0].strip() 58 if (firstline.startswith("Archive member included ") and 59 firstline.endswith(" file (symbol)")): 60 return _parseForGCC(lines, efifilepath) 61 return _parseGeneral(lines, efifilepath) 62 63 def _parseForGCC(lines, efifilepath): 64 """ Parse map file generated by GCC linker """ 65 status = 0 66 imageBase = -1 67 sections = [] 68 bpcds = [] 69 for index, line in enumerate(lines): 70 line = line.strip() 71 # status machine transection 72 if status == 0 and line == "Memory Configuration": 73 status = 1 74 continue 75 elif status == 1 and line == 'Linker script and memory map': 76 status = 2 77 continue 78 elif status ==2 and line == 'START GROUP': 79 status = 3 80 continue 81 82 # status handler 83 if status == 3: 84 m = re.match('^([\w_\.]+) +([\da-fA-Fx]+) +([\da-fA-Fx]+)$', line) 85 if m != None: 86 sections.append(m.groups(0)) 87 if status == 3: 88 m = re.match('^.data._gPcd_BinaryPatch_([\w_\d]+)$', line) 89 if m != None: 90 if lines[index + 1]: 91 PcdName = m.groups(0)[0] 92 m = re.match('^([\da-fA-Fx]+) +([\da-fA-Fx]+)', lines[index + 1].strip()) 93 if m != None: 94 bpcds.append((PcdName, int(m.groups(0)[0], 16) , int(sections[-1][1], 16), sections[-1][0])) 95 96 # get section information from efi file 97 efisecs = PeImageClass(efifilepath).SectionHeaderList 98 if efisecs == None or len(efisecs) == 0: 99 return None 100 #redirection 101 redirection = 0 102 for efisec in efisecs: 103 for section in sections: 104 if section[0].strip() == efisec[0].strip() and section[0].strip() == '.text': 105 redirection = int(section[1], 16) - efisec[1] 106 pcds = [] 107 for pcd in bpcds: 108 for efisec in efisecs: 109 if pcd[1] >= efisec[1] and pcd[1] < efisec[1]+efisec[3]: 110 #assert efisec[0].strip() == pcd[3].strip() and efisec[1] + redirection == pcd[2], "There are some differences between map file and efi file" 111 pcds.append([pcd[0], efisec[2] + pcd[1] - efisec[1] - redirection, efisec[0]]) 112 return pcds 113 114 def _parseGeneral(lines, efifilepath): 115 """ For MSFT, ICC, EBC 116 @param lines line array for map file 117 118 @return a list which element hold (PcdName, Offset, SectionName) 119 """ 120 status = 0 #0 - beginning of file; 1 - PE section definition; 2 - symbol table 121 secs = [] # key = section name 122 bPcds = [] 123 124 125 for line in lines: 126 line = line.strip() 127 if re.match("^Start[' ']+Length[' ']+Name[' ']+Class", line): 128 status = 1 129 continue 130 if re.match("^Address[' ']+Publics by Value[' ']+Rva\+Base", line): 131 status = 2 132 continue 133 if re.match("^entry point at", line): 134 status = 3 135 continue 136 if status == 1 and len(line) != 0: 137 m = secRe.match(line) 138 assert m != None, "Fail to parse the section in map file , line is %s" % line 139 sec_no, sec_start, sec_length, sec_name, sec_class = m.groups(0) 140 secs.append([int(sec_no, 16), int(sec_start, 16), int(sec_length, 16), sec_name, sec_class]) 141 if status == 2 and len(line) != 0: 142 m = symRe.match(line) 143 assert m != None, "Fail to parse the symbol in map file, line is %s" % line 144 sec_no, sym_offset, sym_name, vir_addr = m.groups(0) 145 sec_no = int(sec_no, 16) 146 sym_offset = int(sym_offset, 16) 147 vir_addr = int(vir_addr, 16) 148 m2 = re.match('^[_]+gPcd_BinaryPatch_([\w]+)', sym_name) 149 if m2 != None: 150 # fond a binary pcd entry in map file 151 for sec in secs: 152 if sec[0] == sec_no and (sym_offset >= sec[1] and sym_offset < sec[1] + sec[2]): 153 bPcds.append([m2.groups(0)[0], sec[3], sym_offset, vir_addr, sec_no]) 154 155 if len(bPcds) == 0: return None 156 157 # get section information from efi file 158 efisecs = PeImageClass(efifilepath).SectionHeaderList 159 if efisecs == None or len(efisecs) == 0: 160 return None 161 162 pcds = [] 163 for pcd in bPcds: 164 index = 0 165 for efisec in efisecs: 166 index = index + 1 167 if pcd[1].strip() == efisec[0].strip(): 168 pcds.append([pcd[0], efisec[2] + pcd[2], efisec[0]]) 169 elif pcd[4] == index: 170 pcds.append([pcd[0], efisec[2] + pcd[2], efisec[0]]) 171 return pcds 172 173 def generatePcdTable(list, pcdpath): 174 try: 175 f = open(pcdpath, 'w') 176 except: 177 pass 178 179 f.write('PCD Name Offset Section Name\r\n') 180 181 for pcditem in list: 182 f.write('%-30s 0x%-08X %-6s\r\n' % (pcditem[0], pcditem[1], pcditem[2])) 183 f.close() 184 185 #print 'Success to generate Binary Patch PCD table at %s!' % pcdpath 186 187 if __name__ == '__main__': 188 UsageString = "%prog -m <MapFile> -e <EfiFile> -o <OutFile>" 189 AdditionalNotes = "\nPCD table is generated in file name with .BinaryPcdTable.txt postfix" 190 parser = optparse.OptionParser(description=__copyright__, version=__version__, usage=UsageString) 191 parser.add_option('-m', '--mapfile', action='store', dest='mapfile', 192 help='Absolute path of module map file.') 193 parser.add_option('-e', '--efifile', action='store', dest='efifile', 194 help='Absolute path of EFI binary file.') 195 parser.add_option('-o', '--outputfile', action='store', dest='outfile', 196 help='Absolute path of output file to store the got patchable PCD table.') 197 198 (options, args) = parser.parse_args() 199 200 if options.mapfile == None or options.efifile == None: 201 print parser.get_usage() 202 elif os.path.exists(options.mapfile) and os.path.exists(options.efifile): 203 list = parsePcdInfoFromMapFile(options.mapfile, options.efifile) 204 if list != None: 205 if options.outfile != None: 206 generatePcdTable(list, options.outfile) 207 else: 208 generatePcdTable(list, options.mapfile.replace('.map', '.BinaryPcdTable.txt')) 209 else: 210 print 'Fail to generate Patch PCD Table based on map file and efi file' 211 else: 212 print 'Fail to generate Patch PCD Table for fail to find map file or efi file!' 213
