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| Rev 270 | Rev 288 | ||
|---|---|---|---|
| 1 | #!/usr/bin/env python |
1 | #!/usr/bin/env python |
| 2 | 2 | ||
| 3 | import sys |
3 | import sys |
| 4 | import struct |
4 | import struct |
| 5 | import re |
5 | import re |
| 6 | 6 | ||
| 7 | symline = re.compile(r'(0x[a-f0-9]+)\s+([^\s]+)$') |
7 | symline = re.compile(r'(0x[a-f0-9]+)\s+([^\s]+)$') |
| 8 | fileline = re.compile(r'[^\s]+\s+0x[a-f0-9]+\s+0x[a-f0-9]+\s+([^\s]+\.o)$') |
8 | fileline = re.compile(r'[^\s]+\s+0x[a-f0-9]+\s+0x[a-f0-9]+\s+([^\s]+\.o)$') |
| 9 | 9 | ||
| 10 | MAXSTRING=63 |
10 | MAXSTRING=63 |
| 11 | symtabfmt = "<Q%ds" % (MAXSTRING+1) |
11 | symtabfmt = "<Q%ds" % (MAXSTRING+1) |
| 12 | 12 | ||
| 13 | def read_symbols(inp): |
13 | def read_symbols(inp): |
| 14 | while 1: |
14 | while 1: |
| 15 | line = inp.readline() |
15 | line = inp.readline() |
| 16 | if not line: |
16 | if not line: |
| 17 | return |
17 | return |
| 18 | if 'memory map' in line: |
18 | if 'memory map' in line: |
| 19 | break |
19 | break |
| 20 | 20 | ||
| 21 | symtable = {} |
21 | symtable = {} |
| 22 | filename = '' |
22 | filename = '' |
| 23 | while 1: |
23 | while 1: |
| 24 | line = inp.readline() |
24 | line = inp.readline() |
| 25 | if not line.strip(): |
25 | if not line.strip(): |
| 26 | continue |
26 | continue |
| 27 | if line[0] not in (' ','.'): |
27 | if line[0] not in (' ','.'): |
| 28 | break |
28 | break |
| 29 | line = line.strip() |
29 | line = line.strip() |
| 30 | # Search for file name |
30 | # Search for file name |
| 31 | res = fileline.match(line) |
31 | res = fileline.match(line) |
| 32 | if res: |
32 | if res: |
| 33 | filename = res.group(1) |
33 | filename = res.group(1) |
| 34 | # Search for symbols |
34 | # Search for symbols |
| 35 | res = symline.match(line) |
35 | res = symline.match(line) |
| 36 | if res: |
36 | if res: |
| 37 | symtable[int(res.group(1),16)] = filename + ':' + res.group(2) |
37 | symtable[int(res.group(1),16)] = filename + ':' + res.group(2) |
| 38 | return symtable |
38 | return symtable |
| 39 | 39 | ||
| 40 | def generate(inp, out): |
40 | def generate(inp, out): |
| 41 | symtab = read_symbols(inp) |
41 | symtab = read_symbols(inp) |
| 42 | if not symtab: |
42 | if not symtab: |
| 43 | print "Bad kernel.map format, empty." |
43 | print "Bad kernel.map format, empty." |
| 44 | sys.exit(1) |
44 | sys.exit(1) |
| 45 | addrs = symtab.keys() |
45 | addrs = symtab.keys() |
| 46 | addrs.sort() |
46 | addrs.sort() |
| 47 | for addr in addrs: |
47 | for addr in addrs: |
| 48 | # Do not write address 0, it indicates end of data |
48 | # Do not write address 0, it indicates end of data |
| 49 | if addr == 0: |
49 | if addr == 0: |
| 50 | continue |
50 | continue |
| 51 | data = struct.pack(symtabfmt,addr,symtab[addr][:MAXSTRING]) |
51 | data = struct.pack(symtabfmt,addr,symtab[addr][:MAXSTRING]) |
| 52 | out.write(data) |
52 | out.write(data) |
| 53 | out.write(struct.pack(symtabfmt,0,'')) |
53 | out.write(struct.pack(symtabfmt,0,'')) |
| 54 | 54 | ||
| 55 | def main(): |
55 | def main(): |
| 56 | if len(sys.argv) != 3: |
56 | if len(sys.argv) != 3: |
| 57 | print "Usage: %s <kernel.map> <output.bin>" % sys.argv[0] |
57 | print "Usage: %s <kernel.map> <output.bin>" % sys.argv[0] |
| 58 | sys.exit(1) |
58 | sys.exit(1) |
| 59 | 59 | ||
| 60 | inp = open(sys.argv[1],'r') |
60 | inp = open(sys.argv[1],'r') |
| 61 | out = open(sys.argv[2],'w') |
61 | out = open(sys.argv[2],'w') |
| 62 | generate(inp,out) |
62 | generate(inp,out) |
| 63 | inp.close() |
63 | inp.close() |
| 64 | out.close() |
64 | out.close() |
| 65 | 65 | ||
| 66 | if __name__ == '__main__': |
66 | if __name__ == '__main__': |
| 67 | main() |
67 | main() |
| 68 | 68 | ||