From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:02:58 +0200 Subject: Adding upstream version 1.64.0+dfsg1. Signed-off-by: Daniel Baumann --- .../src/spec/i686_unknown_linux_musl.rs | 34 ++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 compiler/rustc_target/src/spec/i686_unknown_linux_musl.rs (limited to 'compiler/rustc_target/src/spec/i686_unknown_linux_musl.rs') diff --git a/compiler/rustc_target/src/spec/i686_unknown_linux_musl.rs b/compiler/rustc_target/src/spec/i686_unknown_linux_musl.rs new file mode 100644 index 000000000..d94928043 --- /dev/null +++ b/compiler/rustc_target/src/spec/i686_unknown_linux_musl.rs @@ -0,0 +1,34 @@ +use crate::spec::{FramePointer, LinkerFlavor, StackProbeType, Target}; + +pub fn target() -> Target { + let mut base = super::linux_musl_base::opts(); + base.cpu = "pentium4".into(); + base.max_atomic_width = Some(64); + base.add_pre_link_args(LinkerFlavor::Gcc, &["-m32", "-Wl,-melf_i386"]); + // don't use probe-stack=inline-asm until rust#83139 and rust#84667 are resolved + base.stack_probes = StackProbeType::Call; + + // The unwinder used by i686-unknown-linux-musl, the LLVM libunwind + // implementation, apparently relies on frame pointers existing... somehow. + // It's not clear to me why nor where this dependency is introduced, but the + // test suite does not pass with frame pointers eliminated and it passes + // with frame pointers present. + // + // If you think that this is no longer necessary, then please feel free to + // ignore! If it still passes the test suite and the bots then sounds good + // to me. + // + // This may or may not be related to this bug: + // https://llvm.org/bugs/show_bug.cgi?id=30879 + base.frame_pointer = FramePointer::Always; + + Target { + llvm_target: "i686-unknown-linux-musl".into(), + pointer_width: 32, + data_layout: "e-m:e-p:32:32-p270:32:32-p271:32:32-p272:64:64-\ + f64:32:64-f80:32-n8:16:32-S128" + .into(), + arch: "x86".into(), + options: base, + } +} -- cgit v1.2.3