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| author | Xi Ruoyao <xry111@xry111.site> | 2023-03-17 09:27:41 +0100 |
|---|---|---|
| committer | Nikita Popov <npopov@redhat.com> | 2023-03-17 09:28:20 +0100 |
| commit | 5d276380b0b45c3f02ef3c8614c3be95ce1bcb1e (patch) | |
| tree | 0cc4d25e3d4e90566fc2700806edee015de111c7 /libunwind | |
| parent | 4a2757d80f0af48e65d90e7eaf268f78bcfa997f (diff) | |
| download | llvm-5d276380b0b45c3f02ef3c8614c3be95ce1bcb1e.tar.gz | |
[libunwind][AArch64] Unbreak building with GNU assembler
GNU assembler mandates armv8.5-a for memtag instructions. Maybe
we should remove this restriction in GNU assembler, but let's work
around it for current GNU Binutils releases.
Differential Revision: https://reviews.llvm.org/D146109
Diffstat (limited to 'libunwind')
| -rw-r--r-- | libunwind/src/DwarfInstructions.hpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/libunwind/src/DwarfInstructions.hpp b/libunwind/src/DwarfInstructions.hpp index 27432be56133..9962c2ffa0ca 100644 --- a/libunwind/src/DwarfInstructions.hpp +++ b/libunwind/src/DwarfInstructions.hpp @@ -224,7 +224,8 @@ int DwarfInstructions<A, R>::stepWithDwarf(A &addressSpace, pint_t pc, p &= ~0xfULL; // CFA is the bottom of the current stack frame. for (; p < cfa; p += 16) { - __asm__ __volatile__(".arch_extension memtag\n" + __asm__ __volatile__(".arch armv8.5-a\n" + ".arch_extension memtag\n" "stg %[Ptr], [%[Ptr]]\n" : : [Ptr] "r"(p) |