diff options
Diffstat (limited to 'lldb/source/Plugins/Process/Utility/RegisterFlagsLinux_arm64.cpp')
| -rw-r--r-- | lldb/source/Plugins/Process/Utility/RegisterFlagsLinux_arm64.cpp | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/lldb/source/Plugins/Process/Utility/RegisterFlagsLinux_arm64.cpp b/lldb/source/Plugins/Process/Utility/RegisterFlagsLinux_arm64.cpp index 51553817921f..8ed75d700f22 100644 --- a/lldb/source/Plugins/Process/Utility/RegisterFlagsLinux_arm64.cpp +++ b/lldb/source/Plugins/Process/Utility/RegisterFlagsLinux_arm64.cpp @@ -20,6 +20,7 @@ #define HWCAP2_BTI (1ULL << 17) #define HWCAP2_MTE (1ULL << 18) #define HWCAP2_AFP (1ULL << 20) +#define HWCAP2_SME (1ULL << 23) #define HWCAP2_EBF16 (1ULL << 32) using namespace lldb_private; @@ -27,7 +28,10 @@ using namespace lldb_private; LinuxArm64RegisterFlags::Fields LinuxArm64RegisterFlags::DetectSVCRFields(uint64_t hwcap, uint64_t hwcap2) { (void)hwcap; - (void)hwcap2; + + if (!(hwcap2 & HWCAP2_SME)) + return {}; + // Represents the pseudo register that lldb-server builds, which itself // matches the architectural register SCVR. The fields match SVCR in the Arm // manual. @@ -40,7 +44,10 @@ LinuxArm64RegisterFlags::DetectSVCRFields(uint64_t hwcap, uint64_t hwcap2) { LinuxArm64RegisterFlags::Fields LinuxArm64RegisterFlags::DetectMTECtrlFields(uint64_t hwcap, uint64_t hwcap2) { (void)hwcap; - (void)hwcap2; + + if (!(hwcap2 & HWCAP2_MTE)) + return {}; + // Represents the contents of NT_ARM_TAGGED_ADDR_CTRL and the value passed // to prctl(PR_TAGGED_ADDR_CTRL...). Fields are derived from the defines // used to build the value. |