bjoernager/rust
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Implement -Z relax-elf-relocations=yes|no

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This lets rustc users tweak whether the linker should relax ELF relocations,
namely whether it should emit R_X86_64_GOTPCRELX relocations instead of
R_X86_64_GOTPCREL, as the former is allowed by the ABI to be further
optimised. The default value is whatever the target defines.
This commit is contained in:
Anthony Ramine 2020-10-26 20:55:07 +01:00
parent 3478d7c360
commit 6febaf2419
3 changed files with 8 additions and 1 deletions
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1
compiler/rustc_interface/src/tests.rs
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@ -573,6 +573,7 @@ fn test_debugging_options_tracking_hash() {
tracked!(print_fuel, Some("abc".to_string()));
tracked!(profile, true);
tracked!(profile_emit, Some(PathBuf::from("abc")));
tracked!(relax_elf_relocations, Some(true));
tracked!(relro_level, Some(RelroLevel::Full));
tracked!(report_delayed_bugs, true);
tracked!(run_dsymutil, false);