Update dump_symbols to match new file_id code.

Update dump_symbols to match new file_id code.

The way that breakpad calculates module ids has changed so we need to change
our tools to match.

[Lei Zhang, 2010-04-05 22:57:49]

LGTM with comments below.

http://codereview.chromium.org/1508019/diff/1/2
File build/linux/dump_signature.py (right):

http://codereview.chromium.org/1508019/diff/1/2#newcode3
build/linux/dump_signature.py:3: # Copyright (c) 2009 The Chromium Authors. All
rights reserved.
nit: 2010

http://codereview.chromium.org/1508019/diff/1/2#newcode11
build/linux/dump_signature.py:11: import struct
nit: struct then sys. (this is my fault)

http://codereview.chromium.org/1508019/diff/1/2#newcode25
build/linux/dump_signature.py:25: text_section = [x for x in
sections.split('\n') if '.text' in x]
text_section = [x for x in sections.splitlines() if '.text' in x]

http://codereview.chromium.org/1508019/diff/1/2#newcode30
build/linux/dump_signature.py:30: file_offset = int(text_section.split()[5], 16)
can you put this in a try: except ValueError block in this objdump outputs
something unexpected?

[agl, 2010-04-05 23:04:17]

Cheers. Landing.

http://codereview.chromium.org/1508019/diff/1/2
File build/linux/dump_signature.py (right):

http://codereview.chromium.org/1508019/diff/1/2#newcode3
build/linux/dump_signature.py:3: # Copyright (c) 2009 The Chromium Authors. All
rights reserved.
On 2010/04/05 22:57:50, Lei Zhang wrote:
> nit: 2010

Done.

http://codereview.chromium.org/1508019/diff/1/2#newcode11
build/linux/dump_signature.py:11: import struct
On 2010/04/05 22:57:50, Lei Zhang wrote:
> nit: struct then sys. (this is my fault)

Done.

http://codereview.chromium.org/1508019/diff/1/2#newcode25
build/linux/dump_signature.py:25: text_section = [x for x in
sections.split('\n') if '.text' in x]
On 2010/04/05 22:57:50, Lei Zhang wrote:
> text_section = [x for x in sections.splitlines() if '.text' in x]

Done.

http://codereview.chromium.org/1508019/diff/1/2#newcode30
build/linux/dump_signature.py:30: file_offset = int(text_section.split()[5], 16)
On 2010/04/05 22:57:50, Lei Zhang wrote:
> can you put this in a try: except ValueError block in this objdump outputs
> something unexpected?

Done.