[libc] [llvm] [libc] Implement pkey_alloc/free/get/set/mprotect for x86_64 linux (PR #162362)

[via llvm-commits]

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@@ -101,6 +101,41 @@ functions:
     arguments:
       - type: void *
       - type: size_t
+  - name: pkey_alloc
+    standards:
+      - Linux
+    return_type: int
+    arguments:
+      - type: unsigned int
+      - type: unsigned int
+  - name: pkey_free
+    standards:
+      - Linux
+    return_type: int
+    arguments:
+      - type: int
+  - name: pkey_get
+    standards:
+      - GNUExtensions
+    return_type: int
+    arguments:
+      - type: int
+  - name: pkey_mprotect
+    standards:
+      - Linux
+    return_type: int
+    arguments:
+      - type: void *
+      - type: size_t
+      - type: int
+      - type: int
+  - name: pkey_set
+    standards:
+      - GNUExtensions
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lntue wrote:

nit: gnu

https://github.com/llvm/llvm-project/pull/162362