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compiler: Force ELFv2 for powerpc64.

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LLD does not support ELFv1. By forcing ELFv2, we can at least build working
binaries for triples like `powerpc64-linux-none`.
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Alex Rønne Petersen 2024-09-05 01:12:53 +02:00
parent f87dd43c12
commit 19895834b9
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1 changed files with 8 additions and 1 deletions
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9
src/target.zig
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@ -381,6 +381,14 @@ pub fn addrSpaceCastIsValid(
}
pub fn llvmMachineAbi(target: std.Target) ?[:0]const u8 {
// LLD does not support ELFv1. Rather than having LLVM produce ELFv1 code and then linking it
// into a broken ELFv2 binary, just force LLVM to use ELFv2 as well. This will break when glibc
// is linked as glibc only supports ELFv2 for little endian, but there's nothing we can do about
// that. With this hack, `powerpc64-linux-none` will at least work.
//
// Once our self-hosted linker can handle both ABIs, this hack should go away.
if (target.cpu.arch == .powerpc64) return "elfv2";
const have_float = switch (target.abi) {
.gnueabihf, .musleabihf, .eabihf => true,
else => false,
@ -409,7 +417,6 @@ pub fn llvmMachineAbi(target: std.Target) ?[:0]const u8 {
return "ilp32";
}
},
//TODO add ARM, Mips, and PowerPC
else => return null,
}
}