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Merge pull request #21611 from alexrp/target-abi-default

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`std.Target`: Rewrite `Abi.default()` to have better defaults across the board.
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Alex Rønne Petersen 2024-10-07 06:14:10 +02:00 committed by GitHub
commit 20e03beaef
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2 changed files with 97 additions and 36 deletions
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131
lib/std/Target.zig
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@ -701,50 +701,111 @@ pub const Abi = enum {
pub fn default(arch: Cpu.Arch, os: Os) Abi {
return if (arch.isWasm()) .musl else switch (os.tag) {
.freestanding,
.dragonfly,
.ps3,
.zos,
.rtems,
.aix,
.cuda,
.nvcl,
.amdhsa,
.ps4,
.ps5,
.elfiamcu,
.mesa3d,
.contiki,
.amdpal,
.hermit,
.other,
=> .eabi,
.openbsd,
.freebsd,
.fuchsia,
.netbsd,
.hurd,
.haiku,
.windows,
=> .gnu,
.uefi => .msvc,
=> switch (arch) {
// Soft float is usually a sane default for freestanding.
.arm,
.armeb,
.thumb,
.thumbeb,
.csky,
.mips,
.mipsel,
.powerpc,
.powerpcle,
=> .eabi,
else => .none,
},
.aix,
=> if (arch == .powerpc) .eabihf else .none,
.linux,
.wasi,
.emscripten,
=> .musl,
.rtems,
=> switch (arch) {
.arm,
.armeb,
.thumb,
.thumbeb,
.mips,
.mipsel,
=> .eabi,
.powerpc,
=> .eabihf,
else => .none,
},
.hurd,
.windows,
=> .gnu,
.freebsd,
=> switch (arch) {
.arm,
.armeb,
.thumb,
.thumbeb,
.powerpc,
=> .eabihf,
.mips,
.mipsel,
=> .eabi,
else => .none,
},
.netbsd,
=> switch (arch) {
.arm,
.armeb,
.thumb,
.thumbeb,
.powerpc,
=> .eabihf,
.mips,
.mipsel,
=> .eabi,
else => .none,
},
.openbsd,
=> switch (arch) {
.arm,
.thumb,
=> .eabi,
.powerpc,
=> .eabihf,
else => .none,
},
.ios,
=> if (arch == .x86_64) .macabi else .none,
.tvos,
.visionos,
=> if (arch == .x86_64) .simulator else .none,
.uefi,
=> .msvc,
.contiki,
.elfiamcu,
.fuchsia,
.hermit,
.haiku,
.plan9,
.serenity,
.zos,
.dragonfly,
.bridgeos,
.driverkit,
.macos,
.watchos,
.illumos,
.solaris,
.ps3,
.ps4,
.ps5,
.amdhsa,
.amdpal,
.cuda,
.mesa3d,
.nvcl,
.opencl,
.opengl,
.vulkan,
.plan9, // TODO specify abi
.macos,
.ios,
.tvos,
.watchos,
.visionos,
.driverkit,
.solaris,
.illumos,
.serenity,
=> .none,
};
}

2
test/llvm_targets.zig
View File

@ -185,7 +185,7 @@ const targets = [_]std.Target.Query{
.{ .cpu_arch = .nvptx64, .os_tag = .cuda, .abi = .none },
.{ .cpu_arch = .nvptx64, .os_tag = .nvcl, .abi = .none },
.{ .cpu_arch = .powerpc, .os_tag = .aix, .abi = .eabi },
.{ .cpu_arch = .powerpc, .os_tag = .aix, .abi = .eabihf },
.{ .cpu_arch = .powerpc, .os_tag = .freebsd, .abi = .eabi },
.{ .cpu_arch = .powerpc, .os_tag = .freebsd, .abi = .eabihf },
.{ .cpu_arch = .powerpc, .os_tag = .freestanding, .abi = .eabi },