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| author | WANG Rui <wangrui@loongson.cn> | 2023-12-14 22:07:53 +0800 |
|---|---|---|
| committer | WANG Rui <wangrui@loongson.cn> | 2024-01-16 19:15:06 +0800 |
| commit | 06a41687b160cbb4cbf8fce0b3ad3a2e352e8338 (patch) | |
| tree | bdc2ea95832dbff1c740b08d7510048df8536fb8 /compiler/rustc_target/src | |
| parent | 94807670a6a3834cc9b71b0b803d49d307c9ba5d (diff) | |
| download | rust-06a41687b160cbb4cbf8fce0b3ad3a2e352e8338.tar.gz rust-06a41687b160cbb4cbf8fce0b3ad3a2e352e8338.zip | |
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
Diffstat (limited to 'compiler/rustc_target/src')
| -rw-r--r-- | compiler/rustc_target/src/spec/mod.rs | 11 | ||||
| -rw-r--r-- | compiler/rustc_target/src/spec/targets/loongarch64_unknown_linux_gnu.rs | 1 |
2 files changed, 12 insertions, 0 deletions
diff --git a/compiler/rustc_target/src/spec/mod.rs b/compiler/rustc_target/src/spec/mod.rs index 8e26327196a..7979be7b5d6 100644 --- a/compiler/rustc_target/src/spec/mod.rs +++ b/compiler/rustc_target/src/spec/mod.rs @@ -1885,6 +1885,8 @@ pub struct TargetOptions { /// passed, and cannot be disabled even via `-C`. Corresponds to `llc /// -mattr=$features`. pub features: StaticCow<str>, + /// Direct or use GOT indirect to reference external data symbols + pub direct_access_external_data: Option<bool>, /// Whether dynamic linking is available on this target. Defaults to false. pub dynamic_linking: bool, /// Whether dynamic linking can export TLS globals. Defaults to true. @@ -2279,6 +2281,7 @@ impl Default for TargetOptions { asm_args: cvs![], cpu: "generic".into(), features: "".into(), + direct_access_external_data: None, dynamic_linking: false, dll_tls_export: true, only_cdylib: false, @@ -2575,6 +2578,12 @@ impl Target { base.$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()) { @@ -3003,6 +3012,7 @@ 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); @@ -3257,6 +3267,7 @@ 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); diff --git a/compiler/rustc_target/src/spec/targets/loongarch64_unknown_linux_gnu.rs b/compiler/rustc_target/src/spec/targets/loongarch64_unknown_linux_gnu.rs index 0f05e7c475a..234270c999b 100644 --- a/compiler/rustc_target/src/spec/targets/loongarch64_unknown_linux_gnu.rs +++ b/compiler/rustc_target/src/spec/targets/loongarch64_unknown_linux_gnu.rs @@ -11,6 +11,7 @@ pub fn target() -> Target { features: "+f,+d".into(), llvm_abiname: "lp64d".into(), max_atomic_width: Some(64), + direct_access_external_data: Some(false), ..base::linux_gnu::opts() }, } |