[Lldb-commits] [lldb] [lldb][AIX] Extract CPU type and set up process architecture accordingly (PR #189910)

[Hemang Gadhavi via lldb-commits]

================
@@ -81,6 +84,35 @@ static bool GetStatusInfo(::pid_t pid, ProcessInstanceInfo &processInfo,
   return true;
 }
 
+static ArchSpec GetXCOFFProcessCPUType(llvm::StringRef exe_path) {
+  Log *log = GetLog(LLDBLog::Host);
+
+  auto file_buffer = llvm::MemoryBuffer::getFile(exe_path);
+  if (!file_buffer)
+    return ArchSpec();
+
+  llvm::Expected<std::unique_ptr<llvm::object::ObjectFile>> obj_or_err =
+      llvm::object::ObjectFile::createObjectFile(
+          (*file_buffer)->getMemBufferRef());
+
+  if (!obj_or_err)
+    return ArchSpec();
+
+  llvm::object::ObjectFile *obj = obj_or_err->get();
+
+  const llvm::object::XCOFFObjectFile *xcoff_obj =
+      llvm::dyn_cast<llvm::object::XCOFFObjectFile>(obj);
+  if (!xcoff_obj) {
+    LLDB_LOG(log, "Not an valid XCOFF object file: {0}", exe_path);
+    return ArchSpec();
+  }
+
+  if (xcoff_obj->is64Bit())
+    return HostInfo::GetArchitecture(HostInfo::eArchKind64);
+  else
+    return HostInfo::GetArchitecture(HostInfo::eArchKind32);
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HemangGadhavi wrote:

Done.

https://github.com/llvm/llvm-project/pull/189910