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target spec: add an asm-args field to pass arguments to the external ..

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assembler
This commit is contained in:
Jorge Aparicio 2016-12-18 22:25:46 -05:00
parent 71c06a56a1
commit bd85a6dbe7
2 changed files with 10 additions and 0 deletions
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6
src/librustc_back/target/mod.rs
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@ -267,6 +267,9 @@ pub struct TargetOptions {
/// user-defined libraries.
pub post_link_args: Vec<String>,
/// Extra arguments to pass to the external assembler (when used)
pub asm_args: Vec<String>,
/// Default CPU to pass to LLVM. Corresponds to `llc -mcpu=$cpu`. Defaults
/// to "generic".
pub cpu: String,
@ -394,6 +397,7 @@ impl Default for TargetOptions {
ar: option_env!("CFG_DEFAULT_AR").unwrap_or("ar").to_string(),
pre_link_args: Vec::new(),
post_link_args: Vec::new(),
asm_args: Vec::new(),
cpu: "generic".to_string(),
features: "".to_string(),
dynamic_linking: false,
@ -561,6 +565,7 @@ impl Target {
key!(late_link_args, list);
key!(post_link_objects, list);
key!(post_link_args, list);
key!(asm_args, list);
key!(cpu);
key!(features);
key!(dynamic_linking, bool);
@ -723,6 +728,7 @@ impl ToJson for Target {
target_option_val!(late_link_args);
target_option_val!(post_link_objects);
target_option_val!(post_link_args);
target_option_val!(asm_args);
target_option_val!(cpu);
target_option_val!(features);
target_option_val!(dynamic_linking);

4
src/librustc_trans/back/write.rs
View file

@ -1085,6 +1085,10 @@ fn run_work_multithreaded(sess: &Session,
pub fn run_assembler(sess: &Session, outputs: &OutputFilenames) {
let (pname, mut cmd, _) = get_linker(sess);
for arg in &sess.target.target.options.asm_args {
cmd.arg(arg);
}
cmd.arg("-c").arg("-o").arg(&outputs.path(OutputType::Object))
.arg(&outputs.temp_path(OutputType::Assembly, None));
debug!("{:?}", cmd);