[Lldb-commits] [lldb] [lldb][AIX] Taking Linux Host Info header's base for AIX (PR #106910)
Dhruv Srivastava via lldb-commits
lldb-commits at lists.llvm.org
Sun Sep 1 07:55:16 PDT 2024
https://github.com/DhruvSrivastavaX updated https://github.com/llvm/llvm-project/pull/106910
>From bf64f6ebf0e1b92c9a29b07adc4f5502e629c7cd Mon Sep 17 00:00:00 2001
From: Dhruv-Srivastava <dhruv.srivastava at ibm.com>
Date: Sun, 1 Sep 2024 09:26:34 -0500
Subject: [PATCH 1/2] Taking Linux Host Info base for AIX
---
lldb/CMakeLists.txt | 6 +++
lldb/include/lldb/Host/HostGetOpt.h | 2 +-
lldb/include/lldb/Host/HostInfo.h | 3 ++
lldb/include/lldb/Host/aix/AbstractSocket.h | 25 +++++++++
lldb/include/lldb/Host/aix/Host.h | 22 ++++++++
lldb/include/lldb/Host/aix/HostInfoAIX.h | 43 +++++++++++++++
lldb/include/lldb/Host/aix/Ptrace.h | 60 +++++++++++++++++++++
lldb/include/lldb/Host/aix/Support.h | 29 ++++++++++
lldb/include/lldb/Host/aix/Uio.h | 23 ++++++++
lldb/include/lldb/Host/common/GetOptInc.h | 4 +-
10 files changed, 214 insertions(+), 3 deletions(-)
create mode 100644 lldb/include/lldb/Host/aix/AbstractSocket.h
create mode 100644 lldb/include/lldb/Host/aix/Host.h
create mode 100644 lldb/include/lldb/Host/aix/HostInfoAIX.h
create mode 100644 lldb/include/lldb/Host/aix/Ptrace.h
create mode 100644 lldb/include/lldb/Host/aix/Support.h
create mode 100644 lldb/include/lldb/Host/aix/Uio.h
diff --git a/lldb/CMakeLists.txt b/lldb/CMakeLists.txt
index 59cdc4593463c1..f78b7619695c21 100644
--- a/lldb/CMakeLists.txt
+++ b/lldb/CMakeLists.txt
@@ -38,6 +38,12 @@ endif()
include(LLDBConfig)
include(AddLLDB)
+# This has been added to keep the AIX build isolated for now.
+# It will need to be modified later.
+if (UNIX AND ${CMAKE_SYSTEM_NAME} MATCHES "AIX")
+ add_definitions("-D__AIX__")
+endif()
+
# Define the LLDB_CONFIGURATION_xxx matching the build type.
if(uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG" )
add_definitions(-DLLDB_CONFIGURATION_DEBUG)
diff --git a/lldb/include/lldb/Host/HostGetOpt.h b/lldb/include/lldb/Host/HostGetOpt.h
index 52cfdf4dbb89c2..f450e561d6afb1 100644
--- a/lldb/include/lldb/Host/HostGetOpt.h
+++ b/lldb/include/lldb/Host/HostGetOpt.h
@@ -9,7 +9,7 @@
#ifndef LLDB_HOST_HOSTGETOPT_H
#define LLDB_HOST_HOSTGETOPT_H
-#if !defined(_MSC_VER) && !defined(__NetBSD__)
+#if !defined(_MSC_VER) && !defined(__NetBSD__) && !defined(__AIX__)
#include <getopt.h>
#include <unistd.h>
diff --git a/lldb/include/lldb/Host/HostInfo.h b/lldb/include/lldb/Host/HostInfo.h
index b7010d69d88e7f..156df8cf6901df 100644
--- a/lldb/include/lldb/Host/HostInfo.h
+++ b/lldb/include/lldb/Host/HostInfo.h
@@ -55,6 +55,9 @@
#elif defined(__APPLE__)
#include "lldb/Host/macosx/HostInfoMacOSX.h"
#define HOST_INFO_TYPE HostInfoMacOSX
+#elif defined(__AIX__)
+#include "lldb/Host/aix/HostInfoAIX.h"
+#define HOST_INFO_TYPE HostInfoAIX
#else
#include "lldb/Host/posix/HostInfoPosix.h"
#define HOST_INFO_TYPE HostInfoPosix
diff --git a/lldb/include/lldb/Host/aix/AbstractSocket.h b/lldb/include/lldb/Host/aix/AbstractSocket.h
new file mode 100644
index 00000000000000..78a567a6b90953
--- /dev/null
+++ b/lldb/include/lldb/Host/aix/AbstractSocket.h
@@ -0,0 +1,25 @@
+//===-- AbstractSocket.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
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef liblldb_AbstractSocket_h_
+#define liblldb_AbstractSocket_h_
+
+#include "lldb/Host/posix/DomainSocket.h"
+
+namespace lldb_private {
+class AbstractSocket : public DomainSocket {
+public:
+ AbstractSocket(bool child_processes_inherit);
+
+protected:
+ size_t GetNameOffset() const override;
+ void DeleteSocketFile(llvm::StringRef name) override;
+};
+}
+
+#endif // ifndef liblldb_AbstractSocket_h_
diff --git a/lldb/include/lldb/Host/aix/Host.h b/lldb/include/lldb/Host/aix/Host.h
new file mode 100644
index 00000000000000..ef1e74cd1d501b
--- /dev/null
+++ b/lldb/include/lldb/Host/aix/Host.h
@@ -0,0 +1,22 @@
+//===-- Host.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
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLDB_HOST_LINUX_HOST_H
+#define LLDB_HOST_LINUX_HOST_H
+
+#include "lldb/lldb-types.h"
+#include <optional>
+
+namespace lldb_private {
+
+// Get PID (i.e. the primary thread ID) corresponding to the specified TID.
+std::optional<lldb::pid_t> getPIDForTID(lldb::pid_t tid);
+
+} // namespace lldb_private
+
+#endif // #ifndef LLDB_HOST_LINUX_HOST_H
diff --git a/lldb/include/lldb/Host/aix/HostInfoAIX.h b/lldb/include/lldb/Host/aix/HostInfoAIX.h
new file mode 100644
index 00000000000000..2964f3f1dc9893
--- /dev/null
+++ b/lldb/include/lldb/Host/aix/HostInfoAIX.h
@@ -0,0 +1,43 @@
+//===-- HostInfoLinux.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
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef lldb_Host_linux_HostInfoLinux_h_
+#define lldb_Host_linux_HostInfoLinux_h_
+
+#include "lldb/Host/posix/HostInfoPosix.h"
+#include "lldb/Utility/FileSpec.h"
+#include "llvm/ADT/StringRef.h"
+#include "llvm/Support/VersionTuple.h"
+
+#include <optional>
+#include <string>
+
+namespace lldb_private {
+
+class HostInfoLinux : public HostInfoPosix {
+ friend class HostInfoBase;
+
+public:
+ static void Initialize(SharedLibraryDirectoryHelper *helper = nullptr);
+ static void Terminate();
+
+ static llvm::VersionTuple GetOSVersion();
+ static std::optional<std::string> GetOSBuildString();
+ static llvm::StringRef GetDistributionId();
+ static FileSpec GetProgramFileSpec();
+
+protected:
+ static bool ComputeSupportExeDirectory(FileSpec &file_spec);
+ static bool ComputeSystemPluginsDirectory(FileSpec &file_spec);
+ static bool ComputeUserPluginsDirectory(FileSpec &file_spec);
+ static void ComputeHostArchitectureSupport(ArchSpec &arch_32,
+ ArchSpec &arch_64);
+};
+}
+
+#endif
diff --git a/lldb/include/lldb/Host/aix/Ptrace.h b/lldb/include/lldb/Host/aix/Ptrace.h
new file mode 100644
index 00000000000000..aabd3fd4fc5573
--- /dev/null
+++ b/lldb/include/lldb/Host/aix/Ptrace.h
@@ -0,0 +1,60 @@
+//===-- 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_linux_Ptrace_h_
+#define liblldb_Host_linux_Ptrace_h_
+
+#include <sys/ptrace.h>
+
+#ifndef __GLIBC__
+typedef int __ptrace_request;
+#endif
+
+#define DEBUG_PTRACE_MAXBYTES 20
+
+// Support ptrace extensions even when compiled without required kernel support
+#ifndef PTRACE_GETREGS
+#define PTRACE_GETREGS 12
+#endif
+#ifndef PTRACE_SETREGS
+#define PTRACE_SETREGS 13
+#endif
+#ifndef PTRACE_GETFPREGS
+#define PTRACE_GETFPREGS 14
+#endif
+#ifndef PTRACE_SETFPREGS
+#define PTRACE_SETFPREGS 15
+#endif
+#ifndef PTRACE_GETREGSET
+#define PTRACE_GETREGSET 0x4204
+#endif
+#ifndef PTRACE_SETREGSET
+#define PTRACE_SETREGSET 0x4205
+#endif
+#ifndef PTRACE_GET_THREAD_AREA
+#define PTRACE_GET_THREAD_AREA 25
+#endif
+#ifndef PTRACE_ARCH_PRCTL
+#define PTRACE_ARCH_PRCTL 30
+#endif
+#ifndef ARCH_GET_FS
+#define ARCH_SET_GS 0x1001
+#define ARCH_SET_FS 0x1002
+#define ARCH_GET_FS 0x1003
+#define ARCH_GET_GS 0x1004
+#endif
+#ifndef PTRACE_PEEKMTETAGS
+#define PTRACE_PEEKMTETAGS 33
+#endif
+#ifndef PTRACE_POKEMTETAGS
+#define PTRACE_POKEMTETAGS 34
+#endif
+
+#endif // liblldb_Host_linux_Ptrace_h_
diff --git a/lldb/include/lldb/Host/aix/Support.h b/lldb/include/lldb/Host/aix/Support.h
new file mode 100644
index 00000000000000..d1eb7f83d49161
--- /dev/null
+++ b/lldb/include/lldb/Host/aix/Support.h
@@ -0,0 +1,29 @@
+//===-- Support.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
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLDB_HOST_LINUX_SUPPORT_H
+#define LLDB_HOST_LINUX_SUPPORT_H
+
+#include "llvm/Support/ErrorOr.h"
+#include "llvm/Support/MemoryBuffer.h"
+#include <memory>
+
+namespace lldb_private {
+
+llvm::ErrorOr<std::unique_ptr<llvm::MemoryBuffer>>
+getProcFile(::pid_t pid, ::pid_t tid, const llvm::Twine &file);
+
+llvm::ErrorOr<std::unique_ptr<llvm::MemoryBuffer>>
+getProcFile(::pid_t pid, const llvm::Twine &file);
+
+llvm::ErrorOr<std::unique_ptr<llvm::MemoryBuffer>>
+getProcFile(const llvm::Twine &file);
+
+} // namespace lldb_private
+
+#endif // #ifndef LLDB_HOST_LINUX_SUPPORT_H
diff --git a/lldb/include/lldb/Host/aix/Uio.h b/lldb/include/lldb/Host/aix/Uio.h
new file mode 100644
index 00000000000000..460bd6c84ca361
--- /dev/null
+++ b/lldb/include/lldb/Host/aix/Uio.h
@@ -0,0 +1,23 @@
+//===-- Uio.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
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef liblldb_Host_linux_Uio_h_
+#define liblldb_Host_linux_Uio_h_
+
+#include "lldb/Host/Config.h"
+#include <sys/uio.h>
+
+// We shall provide our own implementation of process_vm_readv if it is not
+// present
+#if !HAVE_PROCESS_VM_READV
+ssize_t process_vm_readv(::pid_t pid, const struct iovec *local_iov,
+ unsigned long liovcnt, const struct iovec *remote_iov,
+ unsigned long riovcnt, unsigned long flags);
+#endif
+
+#endif // liblldb_Host_linux_Uio_h_
diff --git a/lldb/include/lldb/Host/common/GetOptInc.h b/lldb/include/lldb/Host/common/GetOptInc.h
index 3fb9add4795417..7a3c2c9627cc7a 100644
--- a/lldb/include/lldb/Host/common/GetOptInc.h
+++ b/lldb/include/lldb/Host/common/GetOptInc.h
@@ -11,11 +11,11 @@
#include "lldb/lldb-defines.h"
-#if defined(_MSC_VER)
+#if defined(_MSC_VER) || defined(__AIX__)
#define REPLACE_GETOPT
#define REPLACE_GETOPT_LONG
#endif
-#if defined(_MSC_VER) || defined(__NetBSD__)
+#if defined(_MSC_VER) || defined(__NetBSD__) || defined(__AIX__)
#define REPLACE_GETOPT_LONG_ONLY
#endif
>From d948d31a6774347a795b057d04c35a274f74d598 Mon Sep 17 00:00:00 2001
From: Dhruv-Srivastava <dhruv.srivastava at ibm.com>
Date: Sun, 1 Sep 2024 09:52:34 -0500
Subject: [PATCH 2/2] added missing formats
---
lldb/include/lldb/Host/aix/AbstractSocket.h | 2 +-
lldb/include/lldb/Host/aix/HostInfoAIX.h | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/lldb/include/lldb/Host/aix/AbstractSocket.h b/lldb/include/lldb/Host/aix/AbstractSocket.h
index 78a567a6b90953..f8741c99ae84c2 100644
--- a/lldb/include/lldb/Host/aix/AbstractSocket.h
+++ b/lldb/include/lldb/Host/aix/AbstractSocket.h
@@ -20,6 +20,6 @@ class AbstractSocket : public DomainSocket {
size_t GetNameOffset() const override;
void DeleteSocketFile(llvm::StringRef name) override;
};
-}
+} // namespace lldb_private
#endif // ifndef liblldb_AbstractSocket_h_
diff --git a/lldb/include/lldb/Host/aix/HostInfoAIX.h b/lldb/include/lldb/Host/aix/HostInfoAIX.h
index 2964f3f1dc9893..ba854e156c36f6 100644
--- a/lldb/include/lldb/Host/aix/HostInfoAIX.h
+++ b/lldb/include/lldb/Host/aix/HostInfoAIX.h
@@ -38,6 +38,6 @@ class HostInfoLinux : public HostInfoPosix {
static void ComputeHostArchitectureSupport(ArchSpec &arch_32,
ArchSpec &arch_64);
};
-}
+} // namespace lldb_private
#endif
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