diff --git a/lib/std/debug.zig b/lib/std/debug.zig index cfe646647b..245e164489 100644 --- a/lib/std/debug.zig +++ b/lib/std/debug.zig @@ -187,7 +187,13 @@ pub fn dumpStackTraceFromBase(bp: usize, ip: usize) void { printSourceAtAddress(debug_info, stderr, ip, tty_config) catch return; var it = StackIterator.init(null, bp); while (it.next()) |return_address| { - printSourceAtAddress(debug_info, stderr, return_address - 1, tty_config) catch return; + // On arm64 macOS, the address of the last frame is 0x0 rather than 0x1 as on x86_64 macOS, + // therefore, we do a check for `return_address == 0` before subtracting 1 from it to avoid + // an overflow. We do not need to signal `StackIterator` as it will correctly detect this + // condition on the subsequent iteration and return `null` thus terminating the loop. + // same behaviour for i386-windows-msvc + const address = if (return_address == 0) return_address else return_address - 1; + printSourceAtAddress(debug_info, stderr, address, tty_config) catch return; } } } @@ -563,6 +569,7 @@ pub fn writeCurrentStackTrace( // therefore, we do a check for `return_address == 0` before subtracting 1 from it to avoid // an overflow. We do not need to signal `StackIterator` as it will correctly detect this // condition on the subsequent iteration and return `null` thus terminating the loop. + // same behaviour for i386-windows-msvc const address = if (return_address == 0) return_address else return_address - 1; try printSourceAtAddress(debug_info, out_stream, address, tty_config); }