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| author | Matthieu Longo <matthieu.longo@arm.com> | 2024-09-23 15:35:07 +0100 |
|---|---|---|
| committer | Tamar Christina <tamar.christina@arm.com> | 2024-09-23 15:37:45 +0100 |
| commit | 2b7971448f122317ed012586f9f73ccc0537deb2 (patch) | |
| tree | d86887fcc2426607fb129b2fc6896106c28ef770 /libobjc | |
| parent | fb475d3f25943beffac8e9c0c78247bad75287a1 (diff) | |
| download | gcc-2b7971448f122317ed012586f9f73ccc0537deb2.zip gcc-2b7971448f122317ed012586f9f73ccc0537deb2.tar.gz gcc-2b7971448f122317ed012586f9f73ccc0537deb2.tar.bz2 | |
dwarf2: store the RA state in CFI row
On AArch64, the RA state informs the unwinder whether the return address
is mangled and how, or not. This information is encoded in a boolean in
the CFI row. This binary approach prevents from expressing more complex
configuration, as it is the case with PAuth_LR introduced in Armv9.5-A.
This patch addresses this limitation by replacing the boolean by an enum.
gcc/ChangeLog:
* dwarf2cfi.cc
(struct dw_cfi_row): Declare a new enum type to replace ra_mangled.
(cfi_row_equal_p): Use ra_state instead of ra_mangled.
(dwarf2out_frame_debug_cfa_negate_ra_state): Same.
(change_cfi_row): Same.
Diffstat (limited to 'libobjc')
0 files changed, 0 insertions, 0 deletions