src/librustc_target/spec/openbsd_base.rs

   1 use crate::spec::{LinkArgs, LinkerFlavor, RelroLevel, TargetOptions};
   2 use std::default::Default;
   3
   4 pub fn opts() -> TargetOptions {
   5     let mut args = LinkArgs::new();
   6     args.insert(
   7         LinkerFlavor::Gcc,
   8         vec![
   9             // GNU-style linkers will use this to omit linking to libraries
  10             // which don't actually fulfill any relocations, but only for
  11             // libraries which follow this flag.  Thus, use it before
  12             // specifying libraries to link to.
  13             "-Wl,--as-needed".to_string(),
  14             // Always enable NX protection when it is available
  15             "-Wl,-z,noexecstack".to_string(),
  16         ],
  17     );
  18
  19     TargetOptions {
  20         dynamic_linking: true,
  21         executables: true,
  22         target_family: Some("unix".to_string()),
  23         linker_is_gnu: true,
  24         has_rpath: true,
  25         abi_return_struct_as_int: true,
  26         pre_link_args: args,
  27         position_independent_executables: true,
  28         eliminate_frame_pointer: false, // FIXME 43575
  29         relro_level: RelroLevel::Full,
  30         ..Default::default()
  31     }
  32 }