third_party/android_platform/relocation_packer/README.TXT - Issue 1027823002: Port Android relocation packer to chromium build

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Issue 1027823002: Port Android relocation packer to chromium build (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Created 5 years, 9 months ago

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1 Introduction:	1 Introduction:

2 -------------	2 -------------

3	3

4 Relative relocations are the bulk of dynamic relocations (the .rel.dyn	4 Relative relocations are the bulk of dynamic relocations (the .rel.dyn

5 or .rela.dyn sections) in libchrome.<version>.so. The ELF standard	5 or .rela.dyn sections) in libchrome.<version>.so. The ELF standard

6 representation of them is wasteful.	6 representation of them is wasteful.

7	7

8 Packing uses a combination of run length encoding, delta encoding, and LEB128	8 Packing uses a combination of run length encoding, delta encoding, and LEB128

9 encoding to store them more efficiently. Packed relocations are placed in	9 encoding to store them more efficiently. Packed relocations are placed in

10 a new .android.rel.dyn or .android.rela.dyn section. Packing reduces	10 a new .android.rel.dyn or .android.rela.dyn section. Packing reduces

(...skipping 115 matching lines...) Expand 10 before \| Expand all \| Expand 10 after Loading...
126 the allocation).	126 the allocation).

127	127

128 Requires libelf 0.158 or later. Earlier libelf releases may be buggy in	128 Requires libelf 0.158 or later. Earlier libelf releases may be buggy in

129 ways that prevent the packer from working correctly.	129 ways that prevent the packer from working correctly.

130	130

131	131

132 Testing:	132 Testing:

133 --------	133 --------

134	134

135 Unittests run under gtest, on the host system.	135 Unittests run under gtest, on the host system.

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