diff --git a/lib/std/debug/Dwarf.zig b/lib/std/debug/Dwarf.zig index acd71eb4ed..044232b996 100644 --- a/lib/std/debug/Dwarf.zig +++ b/lib/std/debug/Dwarf.zig @@ -1438,6 +1438,7 @@ pub fn ipRegNum(arch: std.Target.Cpu.Arch) ?u16 { .riscv32, .riscv32be, .riscv64, .riscv64be => 65, .s390x => 65, .sparc, .sparc64 => 32, + .ve => 144, .x86 => 8, .x86_64 => 16, else => null, @@ -1455,6 +1456,7 @@ pub fn fpRegNum(arch: std.Target.Cpu.Arch) u16 { .riscv32, .riscv32be, .riscv64, .riscv64be => 8, .s390x => 11, .sparc, .sparc64 => 30, + .ve => 9, .x86 => 5, .x86_64 => 6, else => unreachable, @@ -1472,6 +1474,7 @@ pub fn spRegNum(arch: std.Target.Cpu.Arch) u16 { .riscv32, .riscv32be, .riscv64, .riscv64be => 2, .s390x => 15, .sparc, .sparc64 => 14, + .ve => 11, .x86 => 4, .x86_64 => 7, else => unreachable, diff --git a/lib/std/debug/cpu_context.zig b/lib/std/debug/cpu_context.zig index b08ab49778..f989c01e88 100644 --- a/lib/std/debug/cpu_context.zig +++ b/lib/std/debug/cpu_context.zig @@ -12,6 +12,7 @@ else switch (native_arch) { .powerpc, .powerpcle, .powerpc64, .powerpc64le => Powerpc, .sparc, .sparc64 => Sparc, .riscv32, .riscv32be, .riscv64, .riscv64be => Riscv, + .ve => Ve, .s390x => S390x, .x86 => X86, .x86_64 => X86_64, @@ -1126,6 +1127,100 @@ const S390x = extern struct { } }; +/// This is an `extern struct` so that inline assembly in `current` can use field offsets. +const Ve = extern struct { + s: [64]u64, + ic: u64, + + pub inline fn current() Ve { + var ctx: Ve = undefined; + asm volatile ( + \\ st %%s0, 0(, %%s8) + \\ st %%s1, 8(, %%s8) + \\ st %%s2, 16(, %%s8) + \\ st %%s3, 24(, %%s8) + \\ st %%s4, 32(, %%s8) + \\ st %%s5, 40(, %%s8) + \\ st %%s6, 48(, %%s8) + \\ st %%s7, 56(, %%s8) + \\ st %%s8, 64(, %%s8) + \\ st %%s9, 72(, %%s8) + \\ st %%s10, 80(, %%s8) + \\ st %%s11, 88(, %%s8) + \\ st %%s12, 96(, %%s8) + \\ st %%s13, 104(, %%s8) + \\ st %%s14, 112(, %%s8) + \\ st %%s15, 120(, %%s8) + \\ st %%s16, 128(, %%s8) + \\ st %%s17, 136(, %%s8) + \\ st %%s18, 144(, %%s8) + \\ st %%s19, 152(, %%s8) + \\ st %%s20, 160(, %%s8) + \\ st %%s21, 168(, %%s8) + \\ st %%s22, 176(, %%s8) + \\ st %%s23, 184(, %%s8) + \\ st %%s24, 192(, %%s8) + \\ st %%s25, 200(, %%s8) + \\ st %%s26, 208(, %%s8) + \\ st %%s27, 216(, %%s8) + \\ st %%s28, 224(, %%s8) + \\ st %%s29, 232(, %%s8) + \\ st %%s30, 240(, %%s8) + \\ st %%s31, 248(, %%s8) + \\ st %%s32, 256(, %%s8) + \\ st %%s33, 264(, %%s8) + \\ st %%s34, 272(, %%s8) + \\ st %%s35, 280(, %%s8) + \\ st %%s36, 288(, %%s8) + \\ st %%s37, 296(, %%s8) + \\ st %%s38, 304(, %%s8) + \\ st %%s39, 312(, %%s8) + \\ st %%s40, 320(, %%s8) + \\ st %%s41, 328(, %%s8) + \\ st %%s42, 336(, %%s8) + \\ st %%s43, 344(, %%s8) + \\ st %%s44, 352(, %%s8) + \\ st %%s45, 360(, %%s8) + \\ st %%s46, 368(, %%s8) + \\ st %%s47, 376(, %%s8) + \\ st %%s48, 384(, %%s8) + \\ st %%s49, 392(, %%s8) + \\ st %%s50, 400(, %%s8) + \\ st %%s51, 408(, %%s8) + \\ st %%s52, 416(, %%s8) + \\ st %%s53, 424(, %%s8) + \\ st %%s54, 432(, %%s8) + \\ st %%s55, 440(, %%s8) + \\ st %%s56, 448(, %%s8) + \\ st %%s57, 456(, %%s8) + \\ st %%s58, 464(, %%s8) + \\ st %%s59, 472(, %%s8) + \\ st %%s60, 480(, %%s8) + \\ st %%s61, 488(, %%s8) + \\ st %%s62, 496(, %%s8) + \\ st %%s63, 504(, %%s8) + \\ br.l 1f + \\1: + \\ st %%lr, 512(, %%s8) + : + : [ctx] "{s8}" (&ctx), + : .{ .s10 = true, .memory = true }); + return ctx; + } + + pub fn dwarfRegisterBytes(ctx: *Ve, register_num: u16) DwarfRegisterError![]u8 { + switch (register_num) { + 0...63 => return @ptrCast(&ctx.s[register_num]), + 144 => return @ptrCast(&ctx.ic), + + 64...127 => return error.UnsupportedRegister, // v0 - v63 + 128...143 => return error.UnsupportedRegister, // vm0 - vm15 + + else => return error.InvalidRegister, + } + } +}; + /// The native operating system's `ucontext_t` as seen in the third argument to signal handlers. /// /// These are dramatically simplified since we only need general-purpose registers and don't care