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Add AArch64 to dev backend object generation

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This commit is contained in:
Brendan Hansknecht 2020-11-30 02:47:18 +00:00
parent e2b0692a36
commit dbf335a79d
2 changed files with 34 additions and 7 deletions
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39
compiler/gen_dev/src/object_builder.rs
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@ -1,4 +1,4 @@
use crate::generic64::{x86_64, Backend64Bit};
use crate::generic64::{aarch64, x86_64, Backend64Bit};
use crate::{Backend, Env, Relocation, INLINED_SYMBOLS};
use bumpalo::collections::Vec;
use object::write;
@ -22,7 +22,7 @@ pub fn build_module<'a>(
target: &Triple,
procedures: MutMap<(symbol::Symbol, Layout<'a>), Proc<'a>>,
) -> Result<Object, String> {
let (mut output, mut backend) = match target {
match target {
Triple {
architecture: TargetArch::X86_64,
binary_format: TargetBF::Elf,
@ -33,15 +33,42 @@ pub fn build_module<'a>(
x86_64::X86_64Assembler,
x86_64::X86_64SystemV,
> = Backend::new(env, target)?;
Ok((
Object::new(BinaryFormat::Elf, Architecture::X86_64, Endianness::Little),
build_object(
env,
procedures,
backend,
))
Object::new(BinaryFormat::Elf, Architecture::X86_64, Endianness::Little),
)
}
Triple {
architecture: TargetArch::Aarch64(_),
binary_format: TargetBF::Elf,
..
} => {
let backend: Backend64Bit<
aarch64::AArch64GPReg,
aarch64::AArch64Assembler,
aarch64::AArch64Call,
> = Backend::new(env, target)?;
build_object(
env,
procedures,
backend,
Object::new(BinaryFormat::Elf, Architecture::Aarch64, Endianness::Little),
)
}
x => Err(format! {
"the target, {:?}, is not yet implemented",
x}),
}?;
}
}
fn build_object<'a, B: Backend<'a>>(
env: &'a Env,
procedures: MutMap<(symbol::Symbol, Layout<'a>), Proc<'a>>,
mut backend: B,
mut output: Object,
) -> Result<Object, String> {
let text = output.section_id(StandardSection::Text);
let data_section = output.section_id(StandardSection::Data);
let comment = output.add_section(vec![], b"comment".to_vec(), SectionKind::OtherString);