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| author | Alex Rønne Petersen <alex@alexrp.com> | 2025-10-16 13:50:39 +0200 |
|---|---|---|
| committer | Alex Rønne Petersen <alex@alexrp.com> | 2025-10-18 00:36:52 +0200 |
| commit | 2eca0e42e59fafae839b507148e8a3679d172079 (patch) | |
| tree | d4faef4edaa3569ff19e4ce2f8bb25e3a70e98ca /lib/std/debug.zig | |
| parent | 1f8a72175b5352e77b41ed4d165acccad08ffb16 (diff) | |
| download | zig-2eca0e42e59fafae839b507148e8a3679d172079.tar.gz zig-2eca0e42e59fafae839b507148e8a3679d172079.zip | |
std.debug: FP-based unwinding is impossible on avr, csky, msp430, and xcore
The ABIs do not define a frame pointer register, nor do they define a guaranteed
and fixed area on the stack where one might find saved registers such as a frame
pointer or return address.
Diffstat (limited to 'lib/std/debug.zig')
| -rw-r--r-- | lib/std/debug.zig | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/std/debug.zig b/lib/std/debug.zig index d9eb0cd907..377028236e 100644 --- a/lib/std/debug.zig +++ b/lib/std/debug.zig @@ -872,10 +872,14 @@ const StackIterator = union(enum) { }; const fp_usability: FpUsability = switch (builtin.target.cpu.arch) { + .avr, + .csky, .mips, .mipsel, .mips64, .mips64el, + .msp430, + .xcore, => .useless, .hexagon, // The PowerPC ABIs don't actually strictly require a backchain pointer; they allow omitting |