[libc-commits] [libc] [libc] add prctl func spec (PR #97971)

[Schrodinger ZHU Yifan via libc-commits]

https://github.com/SchrodingerZhu created https://github.com/llvm/llvm-project/pull/97971

This is needed when building scudo on aarch64.

>From f96ae62e29fce40a20a36116f3711ba482bddcf6 Mon Sep 17 00:00:00 2001
From: Schrodinger ZHU Yifan <i at zhuyi.fan>
Date: Sun, 7 Jul 2024 12:47:31 -0700
Subject: [PATCH] [libc] add prctl func spec

---
 libc/spec/linux.td | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/libc/spec/linux.td b/libc/spec/linux.td
index 82630ff413c73d..395c2a6fe853a7 100644
--- a/libc/spec/linux.td
+++ b/libc/spec/linux.td
@@ -112,7 +112,19 @@ def Linux : StandardSpec<"Linux"> {
       [], // Macros
       [], // Types
       [], // Enumerations
-      []  // Functions
+      [
+        FunctionSpec<
+          "prctl",
+          RetValSpec<IntType>,
+          [
+            ArgSpec<IntType>,
+            ArgSpec<UnsignedLongType>,
+            ArgSpec<UnsignedLongType>,
+            ArgSpec<UnsignedLongType>,
+            ArgSpec<UnsignedLongType>,
+          ]
+        >,
+      ]  // Functions
   >;
 
   HeaderSpec SysRandom = HeaderSpec<