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

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llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-lldb

Author: Dhruv Srivastava (DhruvSrivastavaX)

<details>
<summary>Changes</summary>

This PR is in reference to porting LLDB on AIX.

Link to discussions on llvm discourse and github:

1. https://discourse.llvm.org/t/port-lldb-to-ibm-aix/80640
2. #<!-- -->101657
The complete changes for porting are present in this draft PR:
#<!-- -->102601

Added Ptrace extensions for AIX. 
- Commit 1: Taken Linux version for reference.
- Commit 2: Modified the extensions for AIX.

Review Request: @<!-- -->DavidSpickett

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


1 Files Affected:

- (added) lldb/include/lldb/Host/aix/Ptrace.h (+44) 


``````````diff
diff --git a/lldb/include/lldb/Host/aix/Ptrace.h b/lldb/include/lldb/Host/aix/Ptrace.h
new file mode 100644
index 00000000000000..5d5ae82c9dab7d
--- /dev/null
+++ b/lldb/include/lldb/Host/aix/Ptrace.h
@@ -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)
+#endif
+#ifndef PTRACE_SETREGS
+#define PTRACE_SETREGS (PT_COMMAND_MAX + 2)
+#endif
+#ifndef PTRACE_GETFPREGS
+#define PTRACE_GETFPREGS (PT_COMMAND_MAX + 3)
+#endif
+#ifndef PTRACE_SETFPREGS
+#define PTRACE_SETFPREGS (PT_COMMAND_MAX + 4)
+#endif
+#ifndef PTRACE_GETREGSET
+#define PTRACE_GETREGSET 0x4204
+#endif
+#ifndef PTRACE_SETREGSET
+#define PTRACE_SETREGSET 0x4205
+#endif
+#ifndef PTRACE_GETVRREGS
+#define PTRACE_GETVRREGS (PT_COMMAND_MAX + 5)
+#endif
+#ifndef PTRACE_GETVSRREGS
+#define PTRACE_GETVSRREGS (PT_COMMAND_MAX + 6)
+#endif
+
+#endif // liblldb_Host_aix_Ptrace_h_

``````````

</details>


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