use crate::spec::{
    Arch, LinkerFlavor, Lld, RustcAbi, SanitizerSet, Target, TargetMetadata, TargetOptions, base,
};

pub(crate) fn target() -> Target {
    let mut base = TargetOptions {
        vendor: "win7".into(),
        rustc_abi: Some(RustcAbi::X86Sse2),
        cpu: "pentium4".into(),
        max_atomic_width: Some(64),
        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
        has_thread_local: false,
        ..base::windows_msvc::opts()
    };

    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: Arch::X86,
        options: base,
    }
}
