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This change takes advantage of recent refactoring and adds support for
Elf X86 32 executables to courgette. It should have no effect on handling
of Windows PE executables.
We have planned ahead to be able to restrict the code size of the courgette
library in different cases to reduce patcher sizes, but this change does
not yet take advantage of that (all platforms are supported everywhere).
Also, the patcher class currently contains a very small amount of Elf/PE
specific code for recreating relocation tables that cannot (currently) be
compiled out.
BUG=chromium-os:22149
TEST=Please verify that Chrome/Chromium patches can still be generated and
work.
Also, please see how much the updater executable which is downloaded to
users has changed in size since R16.
Review URL: http://codereview.chromium.org/8477045
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@109089 0039d316-1c4b-4281-b951-d872f2087c98
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This change takes advantage of recent refactoring and adds support for
Elf X86 32 executables to courgette. It should have no effect on handling
of Windows PE executables.
We have planned ahead to be able to restrict the code size of the courgette
library in different cases to reduce patcher sizes, but this change does
not yet take advantage of that (all platforms are supported everywhere).
Also, the patcher class currently contains a very small amount of Elf/PE
specific code for recreating relocation tables that cannot (currently) be
compiled out.
BUG=chromium-os:22149
TEST=Please verify that Chrome/Chromium patches can still be generated and
work.
Also, please see how much the updater executable which is downloaded to
users has changed in size since R16.
Review URL: http://codereview.chromium.org/8428009
TBR=dgarrett@chromium.org
Review URL: http://codereview.chromium.org/8490023
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@108934 0039d316-1c4b-4281-b951-d872f2087c98
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This change takes advantage of recent refactoring and adds support for
Elf X86 32 executables to courgette. It should have no effect on handling
of Windows PE executables.
We have planned ahead to be able to restrict the code size of the courgette
library in different cases to reduce patcher sizes, but this change does
not yet take advantage of that (all platforms are supported everywhere).
Also, the patcher class currently contains a very small amount of Elf/PE
specific code for recreating relocation tables that cannot (currently) be
compiled out.
BUG=chromium-os:22149
TEST=Please verify that Chrome/Chromium patches can still be generated and
work.
Also, please see how much the updater executable which is downloaded to
users has changed in size since R16.
Review URL: http://codereview.chromium.org/8428009
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@108929 0039d316-1c4b-4281-b951-d872f2087c98
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This means that all PE specific knowledge is now contained in a single class
which leaves us in pretty good shape for supporting ELF 32.
There are still widespread assumptions about being 32 bit, but those can be
addressed at a much later date.
BUG=None
TEST=Unittests
Review URL: http://codereview.chromium.org/8166013
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@107260 0039d316-1c4b-4281-b951-d872f2087c98
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buffer class that doesn't throw exceptions.
The new buffer class is pretty simple and relies on the MemoryAllocator class that I previously to back large
allocations with mapped files when memory is scarce. That reduced the number of crashes quite a bit but we
still crash on machines that are simply out of diskspace as well. So, the right thing to do is to expect and
handle failures which is what this cl is all about. What we should see once this has landed is that crash
dumps due to courgette running out of disk space should disappear from crash/ and instead we should see the
number of users that run into this particular problem in dashboards.
TEST=Courgette out-of-memory/out-of-diskspace errors should disappear from crash/
BUG=74777
Review URL: http://codereview.chromium.org/6677141
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@80648 0039d316-1c4b-4281-b951-d872f2087c98
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This is to better handle low memory situations when applying a differential
patch to a large Chrome setup.
For reading input files, I'm also switching to using memory mapped files
instead of ReadFileToString to reduce the load on the heap.
TEST=courgette.exe should succeed in applying a patch between two
chrome 10.x archives on an XP machine with 180MB of physical memory and
no page file.
BUG=72459,73209
Review URL: http://codereview.chromium.org/6597038
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@76320 0039d316-1c4b-4281-b951-d872f2087c98
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from src\third_party\courgette
to src\courgette and src\courgette\third_party
Fixed #includes
Added properties to ignore generated files:
C:\c5\src>svn pg svn:ignore courgette
courgette.xcodeproj
courgette.sln
courgette_fuzz.vcproj
courgette_lib.vcproj
courgette_minimal_tool.vcproj
courgette_tool.vcproj
courgette.vcproj
courgette_unittests.vcproj
SConstruct
courgette_fuzz.scons
courgette_lib.scons
courgette_main.scons
courgette_minimal_tool.scons
courgette.scons
courgette_tool.scons
courgette_unittests.scons
Review URL: http://codereview.chromium.org/115062
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@15692 0039d316-1c4b-4281-b951-d872f2087c98
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