mathieu/granite-rust
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

loongarch: Fix ELF header flags

Browse source
This commit is contained in:
WANG Rui 2023-06-12 19:38:56 +08:00
parent fd0a3313f7
commit aa8e8642d9
1 changed files with 13 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

15
compiler/rustc_codegen_ssa/src/back/metadata.rs
View file

@ -284,8 +284,19 @@ pub(crate) fn create_object_file(sess: &Session) -> Option<write::Object<'static
e_flags
}
Architecture::LoongArch64 => {
// Source: https://loongson.github.io/LoongArch-Documentation/LoongArch-ELF-ABI-EN.html#_e_flags_identifies_abi_type_and_version
elf::EF_LARCH_OBJABI_V1 | elf::EF_LARCH_ABI_DOUBLE_FLOAT
// Source: https://github.com/loongson/la-abi-specs/blob/release/laelf.adoc#e_flags-identifies-abi-type-and-version
let mut e_flags: u32 = elf::EF_LARCH_OBJABI_V1;
let features = &sess.target.options.features;
// Select the appropriate floating-point ABI
if features.contains("+d") {
e_flags |= elf::EF_LARCH_ABI_DOUBLE_FLOAT;
} else if features.contains("+f") {
e_flags |= elf::EF_LARCH_ABI_SINGLE_FLOAT;
} else {
e_flags |= elf::EF_LARCH_ABI_SOFT_FLOAT;
}
e_flags
}
_ => 0,
};