zig/lib/std/special/panic.zig
Andrew Kelley ed36dbbd9c
mv std/ lib/
that's all this commit does. further commits will fix cli flags and
such.

see #2221
2019-09-25 23:35:41 -04:00

32 lines
989 B
Zig

// This file is the default panic handler if the root source file does not
// have a `pub fn panic`.
// If this file wants to import other files *by name*, support for that would
// have to be added in the compiler.
const builtin = @import("builtin");
const std = @import("std");
pub fn panic(msg: []const u8, error_return_trace: ?*builtin.StackTrace) noreturn {
@setCold(true);
switch (builtin.os) {
.freestanding => {
while (true) {
@breakpoint();
}
},
.wasi => {
std.debug.warn("{}", msg);
_ = std.os.wasi.proc_raise(std.os.wasi.SIGABRT);
unreachable;
},
.uefi => {
// TODO look into using the debug info and logging helpful messages
std.os.abort();
},
else => {
const first_trace_addr = @returnAddress();
std.debug.panicExtra(error_return_trace, first_trace_addr, "{}", msg);
},
}
}