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* Add Elf 32 Support to Courgette.dgarrett@chromium.org2011-11-081-12/+17
| | | | | | | | | | | | | | | | | | | | | | | | | 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
* Revert 108929 - Add Elf 32 Support to Courgette.csilv@chromium.org2011-11-071-17/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | 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
* Add Elf 32 Support to Courgette.dgarrett@chromium.org2011-11-071-12/+17
| | | | | | | | | | | | | | | | | | | | | | | | | 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
* Start refactoring to reduce executable type knowledge.dgarrett@chromium.org2011-10-211-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This creates executable detection functions, a globally shared enum for describing an executable type, and reduces the number of classes and locations with executable specific knowledge. These changes, along with moving architecture specific classes into their own files should make it easier to produce special purpose clients that only contain the code required to apply their own form of patch. DisassemblerWin32EXE, ImagePE, CourgetteWin32X86PatchGenerator, and CourgetteWin32X86Patcher, and ensemble handling are all heavily affected here. This should have no effect on the behavior of the system yet, and is instead all prep-work. This is the same as an earlier CL, except that ParseHeader will now return an error for 64 bit PE executables, and resource only DLLs. This is because the detection factories depend on ParseHeader to decide if a given file is supported. BUG=None TEST=Unittests Review URL: http://codereview.chromium.org/7920004 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@103879 0039d316-1c4b-4281-b951-d872f2087c98 Review URL: http://codereview.chromium.org/8344037 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@106793 0039d316-1c4b-4281-b951-d872f2087c98
* Add a basic backwards compatibility unittest.dgarrett@chromium.org2011-10-181-34/+2
| | | | | | | | | | | | | | | | | | | | This verifies we can still apply old patches, but does not verify that old clients can apply new patches. That seems important, but I'm not sure how to do it without storing old client binaries in version control. Also refactors a number of unit tests to allow code sharing for reading files into memory. This is done via a new base class. Uses test binaries submitted seperatly because of build tools problems. BUG=None TEST=New Unittest Review URL: http://codereview.chromium.org/8252011 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@105982 0039d316-1c4b-4281-b951-d872f2087c98
* Revert 103879 - Start refactoring to reduce executable type knowledge.laforge@chromium.org2011-10-111-2/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | This creates executable detection functions, a globally shared enum for describing an executable type, and reduces the number of classes and locations with executable specific knowledge. These changes, along with moving architecture specific classes into their own files should make it easier to produce special purpose clients that only contain the code required to apply their own form of patch. DisassemblerWin32EXE, ImagePE, CourgetteWin32X86PatchGenerator, and CourgetteWin32X86Patcher, and ensemble handling are all heavily affected here. This should have no effect on the behavior of the system yet, and is instead all prep-work. BUG=None TEST=Unittests Review URL: http://codereview.chromium.org/7920004 TBR=dgarrett@chromium.org Review URL: http://codereview.chromium.org/8234012 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@104926 0039d316-1c4b-4281-b951-d872f2087c98
* Start refactoring to reduce executable type knowledge.dgarrett@chromium.org2011-10-041-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | This creates executable detection functions, a globally shared enum for describing an executable type, and reduces the number of classes and locations with executable specific knowledge. These changes, along with moving architecture specific classes into their own files should make it easier to produce special purpose clients that only contain the code required to apply their own form of patch. DisassemblerWin32EXE, ImagePE, CourgetteWin32X86PatchGenerator, and CourgetteWin32X86Patcher, and ensemble handling are all heavily affected here. This should have no effect on the behavior of the system yet, and is instead all prep-work. BUG=None TEST=Unittests Review URL: http://codereview.chromium.org/7920004 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@103879 0039d316-1c4b-4281-b951-d872f2087c98
* Switch out use of std::string and std::vector for large allocations for a ↵tommi@chromium.org2011-04-061-2/+2
| | | | | | | | | | | | | | | | | 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
* Replaces the uses of the deprecated AppendPath function in courgette cpu@chromium.org2009-09-221-5/+5
| | | | | | | | | | | | | | | | | this is same http://codereview.chromium.org/196022 commiting for him. BUG=none TEST=the modified test should run fine. TBR=sra Review URL: http://codereview.chromium.org/214044 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@26768 0039d316-1c4b-4281-b951-d872f2087c98
* Code changes to get the code to compile under GCC.sra@google.com2009-07-181-1/+1
| | | | | | | | | | | | Courgette still only knows how to compress Windows x86 executables. But now you can compress them on linux. BUG=none TEST=none Review URL: http://codereview.chromium.org/149597 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@21042 0039d316-1c4b-4281-b951-d872f2087c98
* Move Courgettesra@chromium.org2009-05-081-0/+105
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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