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| author | Claudiu Zissulescu <claziss@synopsys.com> | 2022-01-05 15:22:10 +0200 |
|---|---|---|
| committer | Claudiu Zissulescu <claziss@synopsys.com> | 2022-01-14 12:24:52 +0200 |
| commit | 68a650ba57a446fef31722cc2d5ac0752dc1b531 (patch) | |
| tree | 3ead14d9a44f620e662dd74d1d01f8d9d24a5053 /gcc/fold-const.c | |
| parent | b3989a7b1069ef9ed56911d96e1ad153e506aabb (diff) | |
| download | gcc-68a650ba57a446fef31722cc2d5ac0752dc1b531.zip gcc-68a650ba57a446fef31722cc2d5ac0752dc1b531.tar.gz gcc-68a650ba57a446fef31722cc2d5ac0752dc1b531.tar.bz2 | |
arc: Add DWARF2 alternate CFA column.
Add DWARF 2 CFA column which tracks the return address from a signal
handler context. This value must not correspond to a hard register
and must be out of the range of DWARF_FRAME_REGNUM().
gcc/
* config/arc/arc.h (DWARF_FRAME_REGNUM): Update definition.
(DWARF_FRAME_RETURN_COLUMN): Use RETURN_ADDR_REGNUM macro.
(INCOMING_RETURN_ADDR_RTX): Likewise.
(DWARF_ALT_FRAME_RETURN_COLUMN): Define.
gcc/testsuite/
* gcc.target/arc/cancel-1.c: New file.
libgcc/
* config/arc/linux-unwind.h (arc_fallback_frame_state): Use
DWARF_ALT_FRAME_RETURN_COLUMN macro.
Signed-off-by: Claudiu Zissulescu <claziss@synopsys.com>
Diffstat (limited to 'gcc/fold-const.c')
0 files changed, 0 insertions, 0 deletions