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sess: stabilize relro-level

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Signed-off-by: David Wood <david@davidtw.co>
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David Wood 2024-02-27 15:05:02 +00:00
parent 9afdb8d1d5
commit 420c58fb11
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6 changed files with 29 additions and 9 deletions
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4
compiler/rustc_session/src/options.rs
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@ -1494,6 +1494,8 @@ options! {
relocation_model: Option<RelocModel> = (None, parse_relocation_model, [TRACKED],
"control generation of position-independent code (PIC) \
(`rustc --print relocation-models` for details)"),
relro_level: Option<RelroLevel> = (None, parse_relro_level, [TRACKED],
"choose which RELRO level to use"),
remark: Passes = (Passes::Some(Vec::new()), parse_passes, [UNTRACKED],
"output remarks for these optimization passes (space separated, or \"all\")"),
rpath: bool = (false, parse_bool, [UNTRACKED],
@ -1829,8 +1831,6 @@ options! {
"randomize the layout of types (default: no)"),
relax_elf_relocations: Option<bool> = (None, parse_opt_bool, [TRACKED],
"whether ELF relocations can be relaxed"),
relro_level: Option<RelroLevel> = (None, parse_relro_level, [TRACKED],
"choose which RELRO level to use"),
remap_cwd_prefix: Option<PathBuf> = (None, parse_opt_pathbuf, [TRACKED],
"remap paths under the current working directory to this path prefix"),
remap_path_scope: RemapPathScopeComponents = (RemapPathScopeComponents::all(), parse_remap_path_scope, [TRACKED],

2
compiler/rustc_session/src/session.rs
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@ -587,7 +587,7 @@ impl Session {
let dbg_opts = &self.opts.unstable_opts;
let relro_level = dbg_opts.relro_level.unwrap_or(self.target.relro_level);
let relro_level = self.opts.cg.relro_level.unwrap_or(self.target.relro_level);
// Only enable this optimization by default if full relro is also enabled.
// In this case, lazy binding was already unavailable, so nothing is lost.