[Lldb-commits] [lldb] [lldb][AIX] Added Ptrace extensions for AIX (PR #108000)

[Pavel Labath via lldb-commits]

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@@ -0,0 +1,44 @@
+//===-- Ptrace.h ------------------------------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+// This file defines ptrace functions & structures
+
+#ifndef liblldb_Host_aix_Ptrace_h_
+#define liblldb_Host_aix_Ptrace_h_
+
+#include <sys/ptrace.h>
+
+#define DEBUG_PTRACE_MAXBYTES 20
+
+// Support ptrace extensions even when compiled without required kernel support
+#ifndef PTRACE_GETREGS
+#define PTRACE_GETREGS (PT_COMMAND_MAX + 1)
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labath wrote:

I'll just add that all of these defines are only required if your system headers don't always provide these definitions. This was necessary on linux (in the past, maybe not in present), because people built lldb on all kinds of kernel versions. If you're only going to support building lldb on AIX version >=X (where `X` may even be the most recent version of the OS) then you only need to provide the symbols that aren't available on every supported version. If all the supported versions of AIX define these symbols, then you don't need to define anything here (and maybe you don't even need this file).

https://github.com/llvm/llvm-project/pull/108000