bjoernager/rust
bjoernager/rust
1
Fork 0
Code Issues Pull requests Activity

Rollup merge of #119162 - heiher:direct-access-external-data, r=petrochenkov

Browse source 
Add unstable `-Z direct-access-external-data` cmdline flag for `rustc`

The new flag has been described in the Major Change Proposal at https://github.com/rust-lang/compiler-team/issues/707

Fixes #118053
This commit is contained in:
Guillaume Boisseau 2024-02-07 18:24:41 +01:00 • committed by GitHub
commit 7954c28cf9
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
8 changed files with 74 additions and 10 deletions
Download patch file Download diff file Expand all files Collapse all files

11
compiler/rustc_target/src/spec/mod.rs
View file

@ -1887,6 +1887,8 @@ pub struct TargetOptions {
/// passed, and cannot be disabled even via `-C`. Corresponds to `llc
/// -mattr=$features`.
pub features: StaticCow<str>,
/// Direct or use GOT indirect to reference external data symbols
pub direct_access_external_data: Option<bool>,
/// Whether dynamic linking is available on this target. Defaults to false.
pub dynamic_linking: bool,
/// Whether dynamic linking can export TLS globals. Defaults to true.
@ -2281,6 +2283,7 @@ impl Default for TargetOptions {
asm_args: cvs![],
cpu: "generic".into(),
features: "".into(),
direct_access_external_data: None,
dynamic_linking: false,
dll_tls_export: true,
only_cdylib: false,
@ -2580,6 +2583,12 @@ impl Target {
base.$key_name = s as u32;
}
} );
($key_name:ident, Option<bool>) => ( {
let name = (stringify!($key_name)).replace("_", "-");
if let Some(s) = obj.remove(&name).and_then(|b| b.as_bool()) {
base.$key_name = Some(s);
}
} );
($key_name:ident, Option<u64>) => ( {
let name = (stringify!($key_name)).replace("_", "-");
if let Some(s) = obj.remove(&name).and_then(|b| b.as_u64()) {
@ -3008,6 +3017,7 @@ impl Target {
key!(cpu);
key!(features);
key!(dynamic_linking, bool);
key!(direct_access_external_data, Option<bool>);
key!(dll_tls_export, bool);
key!(only_cdylib, bool);
key!(executables, bool);
@ -3262,6 +3272,7 @@ impl ToJson for Target {
target_option_val!(cpu);
target_option_val!(features);
target_option_val!(dynamic_linking);
target_option_val!(direct_access_external_data);
target_option_val!(dll_tls_export);
target_option_val!(only_cdylib);
target_option_val!(executables);