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builtin: implement default_panic for plan9

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Also disable default panic handler when not using elf.
This commit is contained in:
Jacob Young 2023-10-25 05:30:33 -04:00
parent b55377a5ab
commit 868d592580
1 changed files with 8 additions and 0 deletions
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8
lib/std/builtin.zig
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@ -739,6 +739,7 @@ pub fn default_panic(msg: []const u8, error_return_trace: ?*StackTrace, ret_addr
builtin.zig_backend == .stage2_arm or
builtin.zig_backend == .stage2_aarch64 or
builtin.zig_backend == .stage2_x86 or
(builtin.zig_backend == .stage2_x86_64 and builtin.target.ofmt != .elf) or
builtin.zig_backend == .stage2_riscv64 or
builtin.zig_backend == .stage2_sparc64 or
builtin.zig_backend == .stage2_spirv64)
@ -807,6 +808,13 @@ pub fn default_panic(msg: []const u8, error_return_trace: ?*StackTrace, ret_addr
std.os.abort();
},
.cuda, .amdhsa => std.os.abort(),
.plan9 => {
var status: [std.os.plan9.ERRMAX]u8 = undefined;
const len = @min(msg.len, status.len - 1);
@memcpy(status[0..len], msg[0..len]);
status[len] = 0;
std.os.plan9.exits(status[0..len :0]);
},
else => {
const first_trace_addr = ret_addr orelse @returnAddress();
std.debug.panicImpl(error_return_trace, first_trace_addr, msg);