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Rollup merge of rust-lang#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](rust-lang#103001) it was suggested that we moved these constants to the object crate .  [PR](gimli-rs/object#537). Now that that the object crate has been updated  [PR](rust-lang#111413) we can make this change.
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workingjubilee committed Jul 12, 2023
2 parents 671350c + 6502439 commit 9c5c67a
Showing 1 changed file with 3 additions and 4 deletions.
7 changes: 3 additions & 4 deletions compiler/rustc_codegen_ssa/src/back/metadata.rs
Original file line number Diff line number Diff line change
Expand Up @@ -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;
Expand Down Expand Up @@ -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 {
Expand All @@ -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
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