rustc_target/spec/targets/
i686_win7_windows_msvc.rs

1use crate::spec::{
2    Arch, LinkerFlavor, Lld, RustcAbi, SanitizerSet, Target, TargetMetadata, TargetOptions, base,
3};
4
5pub(crate) fn target() -> Target {
6    let mut base = TargetOptions {
7        vendor: "win7".into(),
8        rustc_abi: Some(RustcAbi::X86Sse2),
9        cpu: "pentium4".into(),
10        max_atomic_width: Some(64),
11        supported_sanitizers: SanitizerSet::ADDRESS,
12        // On Windows 7 32-bit, the alignment characteristic of the TLS Directory
13        // don't appear to be respected by the PE Loader, leading to crashes. As
14        // a result, let's disable has_thread_local to make sure TLS goes through
15        // the emulation layer.
16        // See https://github.com/rust-lang/rust/issues/138903
17        has_thread_local: false,
18        ..base::windows_msvc::opts()
19    };
20
21    base.add_pre_link_args(
22        LinkerFlavor::Msvc(Lld::No),
23        &[
24            // Mark all dynamic libraries and executables as compatible with the larger 4GiB address
25            // space available to x86 Windows binaries on x86_64.
26            "/LARGEADDRESSAWARE",
27            // Ensure the linker will only produce an image if it can also produce a table of
28            // the image's safe exception handlers.
29            // https://docs.microsoft.com/en-us/cpp/build/reference/safeseh-image-has-safe-exception-handlers
30            "/SAFESEH",
31        ],
32    );
33
34    Target {
35        llvm_target: "i686-pc-windows-msvc".into(),
36        metadata: TargetMetadata {
37            description: Some("32-bit MSVC (Windows 7+)".into()),
38            tier: Some(3),
39            host_tools: Some(false),
40            std: Some(true),
41        },
42        pointer_width: 32,
43        data_layout: "e-m:x-p:32:32-p270:32:32-p271:32:32-p272:64:64-\
44            i64:64-i128:128-f80:128-n8:16:32-a:0:32-S32"
45            .into(),
46        arch: Arch::X86,
47        options: base,
48    }
49}
rustc_target/spec/targets/i686_win7_windows_msvc.rs

rustc_target/spec/targets/
i686_win7_windows_msvc.rs
