Joseph Huber 894531f59b [Libomptarget] Add utility functions for loading an ELF symbol by name ... The `SHT_HASH` sections in an ELF are used to look up a symbol in the symbol table using a symbol's name. This is done by obtaining the `SHT_HASH` section and using its `sh_link` attribute to access the associated symbol table, from which we can access the string table containing the associated name. We can then search for the symbol using the hash of the name and the buckets and chains in the hash table itself This patch adds utility functions that allow us to look up a symbol in an ELF file by name. It will first attempt to look through the hash tables, and then search the section tables manually if failed. This allows us to pull out constants necessary for setting up offloading without first loading the object. Reviewed By: JonChesterfield Differential Revision: https://reviews.llvm.org/D131309		2022-09-07 12:38:50 -05:00
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CMakeLists.txt	[Libomptarget] Add utility functions for loading an ELF symbol by name	2022-09-07 12:38:50 -05:00
ELFSymbols.cpp	[Libomptarget] Add utility functions for loading an ELF symbol by name	2022-09-07 12:38:50 -05:00
ELFSymbols.h	[Libomptarget] Add utility functions for loading an ELF symbol by name	2022-09-07 12:38:50 -05:00
elf_common.cpp	[Libomptarget][NFC] Make Libomptarget use the LLVM naming convention	2022-07-05 14:53:38 -04:00
elf_common.h	[Libomptarget][NFC] Make Libomptarget use the LLVM naming convention	2022-07-05 14:53:38 -04:00