compiler/rustc_target/src/spec/fuchsia_base.rs

   1 use crate::spec::{crt_objects, cvs, LinkOutputKind, LinkerFlavor, LldFlavor, TargetOptions};
   2
   3 pub fn opts() -> TargetOptions {
   4     // This mirrors the linker options provided by clang. We presume lld for
   5     // now. When using clang as the linker it will supply these options for us,
   6     // so we only list them for ld/lld.
   7     //
   8     // https://github.com/llvm/llvm-project/blob/db9322b2066c55254e7691efeab863f43bfcc084/clang/lib/Driver/ToolChains/Fuchsia.cpp#L31
   9     let pre_link_args = TargetOptions::link_args(
  10         LinkerFlavor::Ld,
  11         &[
  12             "--build-id",
  13             "--hash-style=gnu",
  14             "-z",
  15             "max-page-size=4096",
  16             "-z",
  17             "now",
  18             "-z",
  19             "rodynamic",
  20             "-z",
  21             "separate-loadable-segments",
  22             "--pack-dyn-relocs=relr",
  23         ],
  24     );
  25
  26     TargetOptions {
  27         os: "fuchsia".into(),
  28         linker_flavor: LinkerFlavor::Lld(LldFlavor::Ld),
  29         linker: Some("rust-lld".into()),
  30         dynamic_linking: true,
  31         families: cvs!["unix"],
  32         pre_link_args,
  33         pre_link_objects: crt_objects::new(&[
  34             (LinkOutputKind::DynamicNoPicExe, &["Scrt1.o"]),
  35             (LinkOutputKind::DynamicPicExe, &["Scrt1.o"]),
  36             (LinkOutputKind::StaticNoPicExe, &["Scrt1.o"]),
  37             (LinkOutputKind::StaticPicExe, &["Scrt1.o"]),
  38         ]),
  39         position_independent_executables: true,
  40         has_thread_local: true,
  41         ..Default::default()
  42     }
  43 }