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rustc_target: Add convenience functions for adding linker arguments

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They ensure that lld and non-lld linker flavors get the same set of arguments
This commit is contained in:
Vadim Petrochenkov
2022-06-17 17:38:42 +03:00
parent 8aab472d52
commit 46aba8850b
74 changed files with 347 additions and 419 deletions
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28
compiler/rustc_target/src/spec/i686_pc_windows_msvc.rs
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@@ -1,24 +1,22 @@
use crate::spec::{LinkerFlavor, LldFlavor, Target};
use crate::spec::{LinkerFlavor, Target};
pub fn target() -> Target {
let mut base = super::windows_msvc_base::opts();
base.cpu = "pentium4".into();
base.max_atomic_width = Some(64);
let pre_link_args_msvc = vec![
// Mark all dynamic libraries and executables as compatible with the larger 4GiB address
// space available to x86 Windows binaries on x86_64.
"/LARGEADDRESSAWARE".into(),
// Ensure the linker will only produce an image if it can also produce a table of
// the image's safe exception handlers.
// https://docs.microsoft.com/en-us/cpp/build/reference/safeseh-image-has-safe-exception-handlers
"/SAFESEH".into(),
];
base.pre_link_args.entry(LinkerFlavor::Msvc).or_default().extend(pre_link_args_msvc.clone());
base.pre_link_args
.entry(LinkerFlavor::Lld(LldFlavor::Link))
.or_default()
.extend(pre_link_args_msvc);
base.add_pre_link_args(
LinkerFlavor::Msvc,
&[
// Mark all dynamic libraries and executables as compatible with the larger 4GiB address
// space available to x86 Windows binaries on x86_64.
"/LARGEADDRESSAWARE",
// Ensure the linker will only produce an image if it can also produce a table of
// the image's safe exception handlers.
// https://docs.microsoft.com/en-us/cpp/build/reference/safeseh-image-has-safe-exception-handlers
"/SAFESEH",
],
);
// Workaround for #95429
base.has_thread_local = false;