diff options
Diffstat (limited to 'compiler/rustc_target/src/spec/windows_gnu_base.rs')
| -rw-r--r-- | compiler/rustc_target/src/spec/windows_gnu_base.rs | 82 |
1 files changed, 41 insertions, 41 deletions
diff --git a/compiler/rustc_target/src/spec/windows_gnu_base.rs b/compiler/rustc_target/src/spec/windows_gnu_base.rs index d11f1f7d3f8..a0480f386f7 100644 --- a/compiler/rustc_target/src/spec/windows_gnu_base.rs +++ b/compiler/rustc_target/src/spec/windows_gnu_base.rs @@ -1,31 +1,35 @@ use crate::spec::crt_objects::{self, CrtObjectsFallback}; -use crate::spec::{cvs, LinkArgs, LinkerFlavor, LldFlavor, TargetOptions}; +use crate::spec::{cvs, LinkerFlavor, TargetOptions}; pub fn opts() -> TargetOptions { - let mut pre_link_args = LinkArgs::new(); - pre_link_args.insert( + let mut pre_link_args = TargetOptions::link_args( + LinkerFlavor::Ld, + &[ + // Enable ASLR + "--dynamicbase", + // ASLR will rebase it anyway so leaving that option enabled only leads to confusion + "--disable-auto-image-base", + ], + ); + super::add_link_args( + &mut pre_link_args, LinkerFlavor::Gcc, - vec![ + &[ // Tell GCC to avoid linker plugins, because we are not bundling // them with Windows installer, and Rust does its own LTO anyways. - "-fno-use-linker-plugin".into(), - // Enable ASLR - "-Wl,--dynamicbase".into(), - // ASLR will rebase it anyway so leaving that option enabled only leads to confusion - "-Wl,--disable-auto-image-base".into(), + "-fno-use-linker-plugin", + "-Wl,--dynamicbase", + "-Wl,--disable-auto-image-base", ], ); - let mut late_link_args = LinkArgs::new(); - let mut late_link_args_dynamic = LinkArgs::new(); - let mut late_link_args_static = LinkArgs::new(); // Order of `late_link_args*` was found through trial and error to work with various // mingw-w64 versions (not tested on the CI). It's expected to change from time to time. - let mingw_libs = vec![ - "-lmsvcrt".into(), - "-lmingwex".into(), - "-lmingw32".into(), - "-lgcc".into(), // alas, mingw* libraries above depend on libgcc + let mingw_libs = &[ + "-lmsvcrt", + "-lmingwex", + "-lmingw32", + "-lgcc", // alas, mingw* libraries above depend on libgcc // mingw's msvcrt is a weird hybrid import library and static library. // And it seems that the linker fails to use import symbols from msvcrt // that are required from functions in msvcrt in certain cases. For example @@ -33,31 +37,27 @@ pub fn opts() -> TargetOptions { // The library is purposely listed twice to fix that. // // See https://github.com/rust-lang/rust/pull/47483 for some more details. - "-lmsvcrt".into(), - "-luser32".into(), - "-lkernel32".into(), - ]; - late_link_args.insert(LinkerFlavor::Gcc, mingw_libs.clone()); - late_link_args.insert(LinkerFlavor::Lld(LldFlavor::Ld), mingw_libs); - let dynamic_unwind_libs = vec![ - // If any of our crates are dynamically linked then we need to use - // the shared libgcc_s-dw2-1.dll. This is required to support - // unwinding across DLL boundaries. - "-lgcc_s".into(), - ]; - late_link_args_dynamic.insert(LinkerFlavor::Gcc, dynamic_unwind_libs.clone()); - late_link_args_dynamic.insert(LinkerFlavor::Lld(LldFlavor::Ld), dynamic_unwind_libs); - let static_unwind_libs = vec![ - // If all of our crates are statically linked then we can get away - // with statically linking the libgcc unwinding code. This allows - // binaries to be redistributed without the libgcc_s-dw2-1.dll - // dependency, but unfortunately break unwinding across DLL - // boundaries when unwinding across FFI boundaries. - "-lgcc_eh".into(), - "-l:libpthread.a".into(), + "-lmsvcrt", + "-luser32", + "-lkernel32", ]; - late_link_args_static.insert(LinkerFlavor::Gcc, static_unwind_libs.clone()); - late_link_args_static.insert(LinkerFlavor::Lld(LldFlavor::Ld), static_unwind_libs); + let mut late_link_args = TargetOptions::link_args(LinkerFlavor::Ld, mingw_libs); + super::add_link_args(&mut late_link_args, LinkerFlavor::Gcc, mingw_libs); + // If any of our crates are dynamically linked then we need to use + // the shared libgcc_s-dw2-1.dll. This is required to support + // unwinding across DLL boundaries. + let dynamic_unwind_libs = &["-lgcc_s"]; + let mut late_link_args_dynamic = + TargetOptions::link_args(LinkerFlavor::Ld, dynamic_unwind_libs); + super::add_link_args(&mut late_link_args_dynamic, LinkerFlavor::Gcc, dynamic_unwind_libs); + // If all of our crates are statically linked then we can get away + // with statically linking the libgcc unwinding code. This allows + // binaries to be redistributed without the libgcc_s-dw2-1.dll + // dependency, but unfortunately break unwinding across DLL + // boundaries when unwinding across FFI boundaries. + let static_unwind_libs = &["-lgcc_eh", "-l:libpthread.a"]; + let mut late_link_args_static = TargetOptions::link_args(LinkerFlavor::Ld, static_unwind_libs); + super::add_link_args(&mut late_link_args_static, LinkerFlavor::Gcc, static_unwind_libs); TargetOptions { os: "windows".into(), |
