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Rollup merge of #113595 - cchiw:object_consts, r=workingjubilee

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Use constants from object crate

Replace hard-coded values with  `GNU_PROPERTY_{X86|AARCH64}_FEATURE_1_AND` from the object crate.

When working on  [issue](https://github.com/rust-lang/rust/issues/103001) it was suggested that we moved these constants to the object crate .  [PR](https://github.com/gimli-rs/object/pull/537). Now that that the object crate has been updated  [PR](https://github.com/rust-lang/rust/pull/111413) we can make this change.
This commit is contained in:
Jubilee 2023-07-11 21:00:29 -07:00 committed by GitHub
commit f05e6e6331
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1 changed files with 3 additions and 4 deletions
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7
compiler/rustc_codegen_ssa/src/back/metadata.rs
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@ -12,7 +12,6 @@ use object::{
use snap::write::FrameEncoder;
use object::elf::NT_GNU_PROPERTY_TYPE_0;
use rustc_data_structures::memmap::Mmap;
use rustc_data_structures::owned_slice::{try_slice_owned, OwnedSlice};
use rustc_metadata::fs::METADATA_FILENAME;
@ -124,7 +123,7 @@ fn add_gnu_property_note(
let mut data: Vec<u8> = Vec::new();
let n_namsz: u32 = 4; // Size of the n_name field
let n_descsz: u32 = 16; // Size of the n_desc field
let n_type: u32 = NT_GNU_PROPERTY_TYPE_0; // Type of note descriptor
let n_type: u32 = object::elf::NT_GNU_PROPERTY_TYPE_0; // Type of note descriptor
let header_values = [n_namsz, n_descsz, n_type];
header_values.iter().for_each(|v| {
data.extend_from_slice(&match endianness {
@ -134,8 +133,8 @@ fn add_gnu_property_note(
});
data.extend_from_slice(b"GNU\0"); // Owner of the program property note
let pr_type: u32 = match architecture {
Architecture::X86_64 => 0xc0000002,
Architecture::Aarch64 => 0xc0000000,
Architecture::X86_64 => object::elf::GNU_PROPERTY_X86_FEATURE_1_AND,
Architecture::Aarch64 => object::elf::GNU_PROPERTY_AARCH64_FEATURE_1_AND,
_ => unreachable!(),
};
let pr_datasz: u32 = 4; //size of the pr_data field