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1## @file\r
2# Generate PCD table for 'Patchable In Module' type PCD with given .map file.\r
3# The Patch PCD table like:\r
4# \r
5# PCD Name Offset in binary\r
6# ======== ================\r
7#\r
8# Copyright (c) 2008 - 2013, Intel Corporation. All rights reserved.<BR>\r
9# This program and the accompanying materials\r
10# are licensed and made available under the terms and conditions of the BSD License\r
11# which accompanies this distribution. The full text of the license may be found at\r
12# http://opensource.org/licenses/bsd-license.php\r
13#\r
14# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
15# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
16#\r
17#\r
18\r
19#====================================== External Libraries ========================================\r
20import optparse\r
21import os\r
22import re\r
23import array\r
24\r
25from Common.BuildToolError import *\r
26import Common.EdkLogger as EdkLogger\r
27from Common.Misc import PeImageClass\r
28from Common.BuildVersion import gBUILD_VERSION\r
29\r
30# Version and Copyright\r
31__version_number__ = ("0.10" + " " + gBUILD_VERSION)\r
32__version__ = "%prog Version " + __version_number__\r
33__copyright__ = "Copyright (c) 2008 - 2010, Intel Corporation. All rights reserved."\r
34\r
35#====================================== Internal Libraries ========================================\r
36\r
37#============================================== Code ===============================================\r
38secRe = re.compile('^([\da-fA-F]+):([\da-fA-F]+) +([\da-fA-F]+)[Hh]? +([.\w\$]+) +(\w+)', re.UNICODE)\r
39symRe = re.compile('^([\da-fA-F]+):([\da-fA-F]+) +([\.:\\\\\w\?@\$]+) +([\da-fA-F]+)', re.UNICODE)\r
40\r
41def parsePcdInfoFromMapFile(mapfilepath, efifilepath):\r
42 """ Parse map file to get binary patch pcd information \r
43 @param path Map file absolution path\r
44 \r
45 @return a list which element hold (PcdName, Offset, SectionName)\r
46 """\r
47 lines = []\r
48 try:\r
49 f = open(mapfilepath, 'r')\r
50 lines = f.readlines()\r
51 f.close()\r
52 except:\r
53 return None\r
54 \r
55 if len(lines) == 0: return None\r
56 firstline = lines[0].strip()\r
57 if (firstline.startswith("Archive member included ") and\r
58 firstline.endswith(" file (symbol)")):\r
59 return _parseForGCC(lines, efifilepath)\r
60 return _parseGeneral(lines, efifilepath)\r
61\r
62def _parseForGCC(lines, efifilepath):\r
63 """ Parse map file generated by GCC linker """\r
64 status = 0\r
65 imageBase = -1\r
66 sections = []\r
67 bpcds = []\r
68 for line in lines:\r
69 line = line.strip()\r
70 # status machine transection\r
71 if status == 0 and line == "Memory Configuration":\r
72 status = 1\r
73 continue\r
74 elif status == 1 and line == 'Linker script and memory map':\r
75 status = 2\r
76 continue\r
77 elif status ==2 and line == 'START GROUP':\r
78 status = 3\r
79 continue\r
80\r
81 # status handler\r
82 if status == 2:\r
83 m = re.match('^([\w_\.]+) +([\da-fA-Fx]+) +([\da-fA-Fx]+)$', line)\r
84 if m != None:\r
85 sections.append(m.groups(0))\r
86 if status == 2:\r
87 m = re.match("^([\da-fA-Fx]+) +[_]+gPcd_BinaryPatch_([\w_\d]+)$", line)\r
88 if m != None:\r
89 bpcds.append((m.groups(0)[1], int(m.groups(0)[0], 16) , int(sections[-1][1], 16), sections[-1][0]))\r
90 \r
91 # get section information from efi file\r
92 efisecs = PeImageClass(efifilepath).SectionHeaderList\r
93 if efisecs == None or len(efisecs) == 0:\r
94 return None\r
95 #redirection\r
96 redirection = 0\r
97 for efisec in efisecs:\r
98 for section in sections:\r
99 if section[0].strip() == efisec[0].strip() and section[0].strip() == '.text':\r
100 redirection = int(section[1], 16) - efisec[1]\r
101 pcds = []\r
102 for pcd in bpcds:\r
103 for efisec in efisecs:\r
104 if pcd[1] >= efisec[1] and pcd[1] < efisec[1]+efisec[3]:\r
105 #assert efisec[0].strip() == pcd[3].strip() and efisec[1] + redirection == pcd[2], "There are some differences between map file and efi file"\r
106 pcds.append([pcd[0], efisec[2] + pcd[1] - efisec[1] - redirection, efisec[0]])\r
107 return pcds\r
108 \r
109def _parseGeneral(lines, efifilepath):\r
110 """ For MSFT, ICC, EBC \r
111 @param lines line array for map file\r
112 \r
113 @return a list which element hold (PcdName, Offset, SectionName)\r
114 """ \r
115 status = 0 #0 - beginning of file; 1 - PE section definition; 2 - symbol table\r
116 secs = [] # key = section name\r
117 bPcds = []\r
118 \r
119\r
120 for line in lines:\r
121 line = line.strip()\r
122 if re.match("^Start[' ']+Length[' ']+Name[' ']+Class", line):\r
123 status = 1\r
124 continue\r
125 if re.match("^Address[' ']+Publics by Value[' ']+Rva\+Base", line):\r
126 status = 2\r
127 continue\r
128 if re.match("^entry point at", line):\r
129 status = 3\r
130 continue \r
131 if status == 1 and len(line) != 0:\r
132 m = secRe.match(line)\r
133 assert m != None, "Fail to parse the section in map file , line is %s" % line\r
134 sec_no, sec_start, sec_length, sec_name, sec_class = m.groups(0)\r
135 secs.append([int(sec_no, 16), int(sec_start, 16), int(sec_length, 16), sec_name, sec_class])\r
136 if status == 2 and len(line) != 0:\r
137 m = symRe.match(line)\r
138 assert m != None, "Fail to parse the symbol in map file, line is %s" % line\r
139 sec_no, sym_offset, sym_name, vir_addr = m.groups(0)\r
140 sec_no = int(sec_no, 16)\r
141 sym_offset = int(sym_offset, 16)\r
142 vir_addr = int(vir_addr, 16)\r
143 m2 = re.match('^[_]+gPcd_BinaryPatch_([\w]+)', sym_name)\r
144 if m2 != None:\r
145 # fond a binary pcd entry in map file\r
146 for sec in secs:\r
147 if sec[0] == sec_no and (sym_offset >= sec[1] and sym_offset < sec[1] + sec[2]):\r
148 bPcds.append([m2.groups(0)[0], sec[3], sym_offset, vir_addr, sec_no])\r
149\r
150 if len(bPcds) == 0: return None\r
151\r
152 # get section information from efi file\r
153 efisecs = PeImageClass(efifilepath).SectionHeaderList\r
154 if efisecs == None or len(efisecs) == 0:\r
155 return None\r
156 \r
157 pcds = []\r
158 for pcd in bPcds:\r
159 index = 0\r
160 for efisec in efisecs:\r
161 index = index + 1\r
162 if pcd[1].strip() == efisec[0].strip():\r
163 pcds.append([pcd[0], efisec[2] + pcd[2], efisec[0]])\r
164 elif pcd[4] == index:\r
165 pcds.append([pcd[0], efisec[2] + pcd[2], efisec[0]])\r
166 return pcds\r
167 \r
168def generatePcdTable(list, pcdpath):\r
169 try:\r
170 f = open(pcdpath, 'w')\r
171 except:\r
172 pass\r
173\r
174 f.write('PCD Name Offset Section Name\r\n')\r
175 \r
176 for pcditem in list:\r
177 f.write('%-30s 0x%-08X %-6s\r\n' % (pcditem[0], pcditem[1], pcditem[2]))\r
178 f.close()\r
179\r
180 #print 'Success to generate Binary Patch PCD table at %s!' % pcdpath \r
181 \r
182if __name__ == '__main__':\r
183 UsageString = "%prog -m <MapFile> -e <EfiFile> -o <OutFile>"\r
184 AdditionalNotes = "\nPCD table is generated in file name with .BinaryPcdTable.txt postfix"\r
185 parser = optparse.OptionParser(description=__copyright__, version=__version__, usage=UsageString)\r
186 parser.add_option('-m', '--mapfile', action='store', dest='mapfile',\r
187 help='Absolute path of module map file.')\r
188 parser.add_option('-e', '--efifile', action='store', dest='efifile',\r
189 help='Absolute path of EFI binary file.')\r
190 parser.add_option('-o', '--outputfile', action='store', dest='outfile',\r
191 help='Absolute path of output file to store the got patchable PCD table.')\r
192 \r
193 (options, args) = parser.parse_args()\r
194\r
195 if options.mapfile == None or options.efifile == None:\r
196 print parser.get_usage()\r
197 elif os.path.exists(options.mapfile) and os.path.exists(options.efifile):\r
198 list = parsePcdInfoFromMapFile(options.mapfile, options.efifile) \r
199 if list != None:\r
200 if options.outfile != None:\r
201 generatePcdTable(list, options.outfile)\r
202 else:\r
203 generatePcdTable(list, options.mapfile.replace('.map', '.BinaryPcdTable.txt')) \r
204 else:\r
205 print 'Fail to generate Patch PCD Table based on map file and efi file'\r
206 else:\r
207 print 'Fail to generate Patch PCD Table for fail to find map file or efi file!'\r