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std.debug: update support checks

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mlugg 2025-09-17 23:30:04 +01:00
parent dd8d59686a
commit abb2b1e2da
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1 changed files with 7 additions and 12 deletions
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19
lib/std/debug.zig
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@ -175,18 +175,12 @@ pub const runtime_safety = switch (builtin.mode) {
.ReleaseFast, .ReleaseSmall => false,
};
/// Whether we can unwind the stack on this target, allowing capturing and/or printing the current
/// stack trace. It is still legal to call `captureCurrentStackTrace`, `writeCurrentStackTrace`, and
/// `dumpCurrentStackTrace` if this is `false`; it will just print an error / capture an empty
/// trace due to missing functionality. This value is just intended as a heuristic to avoid
/// pointless work e.g. capturing always-empty stack traces.
pub const sys_can_stack_trace = switch (builtin.cpu.arch) {
// Observed to go into an infinite loop.
// TODO: Make this work.
.loongarch32,
.loongarch64,
.mips,
.mipsel,
.mips64,
.mips64el,
.s390x,
=> false,
// `@returnAddress()` in LLVM 10 gives
// "Non-Emscripten WebAssembly hasn't implemented __builtin_return_address".
// On Emscripten, Zig only supports `@returnAddress()` in debug builds
@ -1178,9 +1172,10 @@ pub const have_segfault_handling_support = switch (native_os) {
.solaris,
.illumos,
.windows,
.freebsd,
.openbsd,
=> true,
.freebsd, .openbsd => cpu_context.Native != noreturn,
else => false,
};