Source
pub fn cCallingConvention(target: *const Target) ?std.builtin.CallingConvention {
return switch (target.cpu.arch) {
.x86_64 => switch (target.os.tag) {
.windows, .uefi => .{ .x86_64_win = .{} },
else => .{ .x86_64_sysv = .{} },
},
.x86 => switch (target.os.tag) {
.windows, .uefi => .{ .x86_win = .{} },
else => .{ .x86_sysv = .{} },
},
.aarch64, .aarch64_be => if (target.os.tag.isDarwin()) cc: {
break :cc .{ .aarch64_aapcs_darwin = .{} };
} else switch (target.os.tag) {
.windows => .{ .aarch64_aapcs_win = .{} },
else => .{ .aarch64_aapcs = .{} },
},
.arm, .armeb, .thumb, .thumbeb => switch (target.abi.float()) {
.soft => .{ .arm_aapcs = .{} },
.hard => .{ .arm_aapcs_vfp = .{} },
},
.mips64, .mips64el => switch (target.abi) {
.gnuabin32 => .{ .mips64_n32 = .{} },
else => .{ .mips64_n64 = .{} },
},
.mips, .mipsel => .{ .mips_o32 = .{} },
.riscv64, .riscv64be => .{ .riscv64_lp64 = .{} },
.riscv32, .riscv32be => .{ .riscv32_ilp32 = .{} },
.sparc64 => .{ .sparc64_sysv = .{} },
.sparc => .{ .sparc_sysv = .{} },
.powerpc64 => if (target.abi.isMusl())
.{ .powerpc64_elf_v2 = .{} }
else
.{ .powerpc64_elf = .{} },
.powerpc64le => .{ .powerpc64_elf_v2 = .{} },
.powerpc, .powerpcle => switch (target.os.tag) {
.aix => .{ .powerpc_aix = .{} },
else => .{ .powerpc_sysv = .{} },
},
.wasm32, .wasm64 => .{ .wasm_mvp = .{} },
.arc => .{ .arc_sysv = .{} },
.avr => .avr_gnu,
.bpfel, .bpfeb => .{ .bpf_std = .{} },
.csky => .{ .csky_sysv = .{} },
.hexagon => .{ .hexagon_sysv = .{} },
.kalimba => null,
.lanai => .{ .lanai_sysv = .{} },
.loongarch64 => .{ .loongarch64_lp64 = .{} },
.loongarch32 => .{ .loongarch32_ilp32 = .{} },
.m68k => if (target.abi.isGnu() or target.abi.isMusl())
.{ .m68k_gnu = .{} }
else
.{ .m68k_sysv = .{} },
.msp430 => .{ .msp430_eabi = .{} },
.or1k => .{ .or1k_sysv = .{} },
.propeller => .{ .propeller_sysv = .{} },
.s390x => .{ .s390x_sysv = .{} },
.ve => .{ .ve_sysv = .{} },
.xcore => .{ .xcore_xs1 = .{} },
.xtensa => .{ .xtensa_call0 = .{} },
.amdgcn => .{ .amdgcn_device = .{} },
.nvptx, .nvptx64 => .nvptx_device,
.spirv32, .spirv64 => .spirv_device,
};
}