bjoernager/rust
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Implement -Z function-sections=yes|no

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This lets rustc users tweak whether all functions should be put in their own
TEXT section, using whatever default value the target defines if the flag
is missing.
This commit is contained in:
Anthony Ramine 2020-10-26 20:55:07 +01:00
parent 53fa22a6fb
commit 056942215c
3 changed files with 5 additions and 1 deletions
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3
compiler/rustc_codegen_llvm/src/back/write.rs
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@ -128,7 +128,8 @@ pub fn target_machine_factory(
let (opt_level, _) = to_llvm_opt_settings(optlvl);
let use_softfp = sess.opts.cg.soft_float;
let ffunction_sections = sess.target.options.function_sections;
let ffunction_sections =
sess.opts.debugging_opts.function_sections.unwrap_or(sess.target.options.function_sections);
let fdata_sections = ffunction_sections;
let code_model = to_llvm_code_model(sess.code_model());