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2 Commits

Author SHA1 Message Date
Maksim Panchenko 89a2e16037 [BOLT] Support PLT sections with variable entry sizes 
Summary:
The linker can generate 8- or 16-byte entries in .plt.got and .plt.sec
sections. On X86, the main differentiator is the presence of endbr64
instruction at the beginning of the entry. Detect the instruction and
adjust the size accordingly.

(cherry picked from FBD29847639)
 2021-07-14 01:35:34 -07:00
Maksim Panchenko c9f5f47b51 [BOLT] Add support for .plt.sec and refactor PLT-reading code 
Summary:
A binary can contain multiple PLT sections with different name and
attributes (such as an entry size). Extend the support to .plt.sec and
refactor the code to make future extensions simpler.

(cherry picked from FBD29502107)
 2021-06-30 14:41:41 -07:00