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| author | Daniil Kovalev <dkovalev@accesssoftek.com> | 2024-12-10 08:48:09 +0300 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-12-10 08:48:09 +0300 |
| commit | 4fb1cda6606ba75782aa1964835abf1a69e2adae (patch) | |
| tree | 92f4ac4ce81884cb03fec46a5ab033c0edb657b9 /clang/lib/CodeGen/CodeGenModule.cpp | |
| parent | 7fa57438c4272fe1d2df1eaed02fde97654ab476 (diff) | |
| download | llvm-4fb1cda6606ba75782aa1964835abf1a69e2adae.zip llvm-4fb1cda6606ba75782aa1964835abf1a69e2adae.tar.gz llvm-4fb1cda6606ba75782aa1964835abf1a69e2adae.tar.bz2 | |
[PAC][ELF][AArch64] Support signed personality function pointer (#113148)
If function pointer signing is enabled, sign personality function
pointer stored in `.DW.ref.__gxx_personality_v0` section with IA key,
0x7EAD = `ptrauth_string_discriminator("personality")` constant
discriminator and address diversity enabled.
Diffstat (limited to 'clang/lib/CodeGen/CodeGenModule.cpp')
| -rw-r--r-- | clang/lib/CodeGen/CodeGenModule.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/clang/lib/CodeGen/CodeGenModule.cpp b/clang/lib/CodeGen/CodeGenModule.cpp index d3d5c07..841fb1c 100644 --- a/clang/lib/CodeGen/CodeGenModule.cpp +++ b/clang/lib/CodeGen/CodeGenModule.cpp @@ -1218,6 +1218,9 @@ void CodeGenModule::Release() { getModule().addModuleFlag(llvm::Module::Min, "ptrauth-elf-got", 1); if (getTriple().isOSLinux()) { + if (LangOpts.PointerAuthCalls) + getModule().addModuleFlag(llvm::Module::Min, "ptrauth-sign-personality", + 1); assert(getTriple().isOSBinFormatELF()); using namespace llvm::ELF; uint64_t PAuthABIVersion = |