[Lldb-commits] [lldb] [lldb][debugserver] Read/write SME registers on arm64 (PR #119171)

[David Spickett via lldb-commits]

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@@ -2387,6 +2863,36 @@ bool DNBArchMachARM64::SetRegisterValue(uint32_t set, uint32_t reg,
       }
       break;
 
+    case e_regSetSVE:
+      if (reg >= sve_z0 && reg <= sve_z31) {
+        uint16_t max_svl_bytes = GetSMEMaxSVL();
+        memcpy(&m_state.context.sve.z[reg - sve_z0], &value->value.v_uint8,
+               max_svl_bytes);
+        success = true;
+      }
+      if (reg >= sve_p0 && reg <= sve_p15) {
+        memcpy(&m_state.context.sve.p[reg - sve_p0], &value->value.v_uint8,
+               256 / 8);
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DavidSpickett wrote:

Maximum 256 bytes divided by 8 for what exactly?

https://github.com/llvm/llvm-project/pull/119171