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| author | Craig Topper <craig.topper@sifive.com> | 2023-04-13 10:39:47 -0700 |
|---|---|---|
| committer | Craig Topper <craig.topper@sifive.com> | 2023-04-13 10:52:15 -0700 |
| commit | 85444794cdde8211b916767cc51a37547dbd17e9 (patch) | |
| tree | a64ff5dc1e7dfb59873ca9fdea9207c8ccf8f3ea /lldb/source/Plugins/ObjectFile/JSON/ObjectFileJSON.cpp | |
| parent | b60513e384bf0253464d2ff9070f10b488e3701a (diff) | |
| download | llvm-85444794cdde8211b916767cc51a37547dbd17e9.zip llvm-85444794cdde8211b916767cc51a37547dbd17e9.tar.gz llvm-85444794cdde8211b916767cc51a37547dbd17e9.tar.bz2 | |
[lld][RISCV] Implement GP relaxation for R_RISCV_HI20/R_RISCV_LO12_I/R_RISCV_LO12_S.
This implements support for relaxing these relocations to use the GP
register to compute addresses of globals in the .sdata and .sbss
sections.
This feature is off by default and must be enabled by passing
--relax-gp to the linker.
The GP register might not always be the "global pointer". It can
be used for other purposes. See discussion here
https://github.com/riscv-non-isa/riscv-elf-psabi-doc/pull/371
Reviewed By: MaskRay
Differential Revision: https://reviews.llvm.org/D143673
Diffstat (limited to 'lldb/source/Plugins/ObjectFile/JSON/ObjectFileJSON.cpp')
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