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debug: fixup context detection for wasi

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This commit is contained in:
kcbanner 2023-05-25 09:52:58 -04:00
parent a325d7f6d1
commit d1a9bb1fea
1 changed files with 3 additions and 2 deletions
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5
lib/std/debug.zig
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@ -411,7 +411,8 @@ pub const StackIterator = struct {
// When DebugInfo and a register context is available, this iterator can unwind
// stacks with frames that don't use a frame pointer (ie. -fomit-frame-pointer).
debug_info: ?*DebugInfo,
dwarf_context: if (@hasDecl(os, "ucontext_t")) DW.UnwindContext else void = undefined,
dwarf_context: if (supports_context) DW.UnwindContext else void = undefined,
const supports_context = @hasDecl(os.system, "ucontext_t");
pub fn init(first_address: ?usize, fp: ?usize) StackIterator {
if (native_arch == .sparc64) {
@ -526,7 +527,7 @@ pub const StackIterator = struct {
}
fn next_internal(self: *StackIterator) ?usize {
if (self.debug_info != null) {
if (supports_context and self.debug_info != null) {
if (self.next_dwarf()) |_| {
return self.dwarf_context.pc;
} else |err| {