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use crate::spec::{LinkerFlavor, Lld, RustcAbi, SanitizerSet, Target, TargetMetadata, base};
pub(crate) fn target() -> Target {
let mut base = base::windows_msvc::opts();
base.vendor = "win7".into();
base.rustc_abi = Some(RustcAbi::X86Sse2);
base.cpu = "pentium4".into();
base.max_atomic_width = Some(64);
base.supported_sanitizers = SanitizerSet::ADDRESS;
// On Windows 7 32-bit, the alignment characteristic of the TLS Directory
// don't appear to be respected by the PE Loader, leading to crashes. As
// a result, let's disable has_thread_local to make sure TLS goes through
// the emulation layer.
// See https://github.com/rust-lang/rust/issues/138903
base.has_thread_local = false;
base.add_pre_link_args(
LinkerFlavor::Msvc(Lld::No),
&[
// 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",
],
);
Target {
llvm_target: "i686-pc-windows-msvc".into(),
metadata: TargetMetadata {
description: Some("32-bit MSVC (Windows 7+)".into()),
tier: Some(3),
host_tools: Some(false),
std: Some(true),
},
pointer_width: 32,
data_layout: "e-m:x-p:32:32-p270:32:32-p271:32:32-p272:64:64-\
i64:64-i128:128-f80:128-n8:16:32-a:0:32-S32"
.into(),
arch: "x86".into(),
options: base,
}
}
|
