vendor/lldb/lldb-r241361

1 files changed, 86 insertions, 0 deletions

diff --git a/source/Plugins/Process/Utility/RegisterContextFreeBSD_arm64.cpp b/source/Plugins/Process/Utility/RegisterContextFreeBSD_arm64.cpp
new file mode 100644
index 000000000000..d39a9da5714b
--- /dev/null
+++ b/source/Plugins/Process/Utility/RegisterContextFreeBSD_arm64.cpp
@@ -0,0 +1,86 @@
+//===-- RegisterContextFreeBSD_arm64.cpp ----------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===---------------------------------------------------------------------===//
+
+#include <vector>
+#include "RegisterContextPOSIX_arm64.h"
+#include "RegisterContextFreeBSD_arm64.h"
+
+using namespace lldb;
+
+// Based on RegisterContextDarwin_arm64.cpp
+#define GPR_OFFSET(idx) ((idx) * 8)
+#define GPR_OFFSET_NAME(reg) (LLVM_EXTENSION offsetof (RegisterContextFreeBSD_arm64::GPR, reg))
+
+#define FPU_OFFSET(idx) ((idx) * 16 + sizeof (RegisterContextFreeBSD_arm64::GPR))
+#define FPU_OFFSET_NAME(reg) (LLVM_EXTENSION offsetof (RegisterContextFreeBSD_arm64::FPU, reg))
+
+#define EXC_OFFSET_NAME(reg) (LLVM_EXTENSION offsetof (RegisterContextFreeBSD_arm64::EXC, reg) + sizeof (RegisterContextFreeBSD_arm64::GPR) + sizeof (RegisterContextFreeBSD_arm64::FPU))
+#define DBG_OFFSET_NAME(reg) (LLVM_EXTENSION offsetof (RegisterContextFreeBSD_arm64::DBG, reg) + sizeof (RegisterContextFreeBSD_arm64::GPR) + sizeof (RegisterContextFreeBSD_arm64::FPU) + sizeof (RegisterContextFreeBSD_arm64::EXC))
+
+#define DEFINE_DBG(reg, i)  #reg, NULL, sizeof(((RegisterContextFreeBSD_arm64::DBG *)NULL)->reg[i]), DBG_OFFSET_NAME(reg[i]), lldb::eEncodingUint, lldb::eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, dbg_##reg##i }, NULL, NULL
+#define REG_CONTEXT_SIZE (sizeof (RegisterContextFreeBSD_arm64::GPR) + sizeof (RegisterContextFreeBSD_arm64::FPU) + sizeof (RegisterContextFreeBSD_arm64::EXC))
+
+//-----------------------------------------------------------------------------
+// Include RegisterInfos_arm64 to declare our g_register_infos_arm64 structure.
+//-----------------------------------------------------------------------------
+#define DECLARE_REGISTER_INFOS_ARM64_STRUCT
+#include "RegisterInfos_arm64.h"
+#undef DECLARE_REGISTER_INFOS_ARM64_STRUCT
+
+static const lldb_private::RegisterInfo *
+GetRegisterInfoPtr(const lldb_private::ArchSpec &target_arch)
+{
+    switch (target_arch.GetMachine())
+    {
+        case llvm::Triple::aarch64:
+            return g_register_infos_arm64;
+        default:
+            assert(false && "Unhandled target architecture.");
+            return nullptr;
+    }
+}
+
+static uint32_t
+GetRegisterInfoCount(const lldb_private::ArchSpec &target_arch)
+{
+    switch (target_arch.GetMachine())
+    {
+        case llvm::Triple::aarch64:
+            return static_cast<uint32_t>(sizeof(g_register_infos_arm64) / sizeof(g_register_infos_arm64[0]));
+        default:
+            assert(false && "Unhandled target architecture.");
+            return 0;
+    }
+}
+
+RegisterContextFreeBSD_arm64::RegisterContextFreeBSD_arm64(const lldb_private::ArchSpec &target_arch) :
+    RegisterInfoInterface(target_arch),
+    m_register_info_p(GetRegisterInfoPtr(target_arch)),
+    m_register_info_count(GetRegisterInfoCount(target_arch))
+{
+}
+
+size_t
+RegisterContextFreeBSD_arm64::GetGPRSize() const
+{
+    return sizeof(struct RegisterContextFreeBSD_arm64::GPR);
+}
+
+const lldb_private::RegisterInfo *
+RegisterContextFreeBSD_arm64::GetRegisterInfo() const
+{
+    return m_register_info_p;
+}
+
+uint32_t
+RegisterContextFreeBSD_arm64::GetRegisterCount() const
+{
+    return m_register_info_count;
+}
+