diff options
Diffstat (limited to 'source/Plugins/Process/Utility/RegisterContextLinux_arm64.cpp')
-rw-r--r-- | source/Plugins/Process/Utility/RegisterContextLinux_arm64.cpp | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/source/Plugins/Process/Utility/RegisterContextLinux_arm64.cpp b/source/Plugins/Process/Utility/RegisterContextLinux_arm64.cpp new file mode 100644 index 000000000000..8c23e39ff013 --- /dev/null +++ b/source/Plugins/Process/Utility/RegisterContextLinux_arm64.cpp @@ -0,0 +1,89 @@ +//===-- RegisterContextLinux_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 <stddef.h> +#include <vector> +#include <cassert> + +#include "llvm/Support/Compiler.h" +#include "lldb/lldb-defines.h" + +#include "RegisterContextLinux_arm64.h" + +// Based on RegisterContextDarwin_arm64.cpp +#define GPR_OFFSET(idx) ((idx) * 8) +#define GPR_OFFSET_NAME(reg) (LLVM_EXTENSION offsetof (RegisterContextLinux_arm64::GPR, reg)) + +#define FPU_OFFSET(idx) ((idx) * 16 + sizeof (RegisterContextLinux_arm64::GPR)) +#define FPU_OFFSET_NAME(reg) (LLVM_EXTENSION offsetof (RegisterContextLinux_arm64::FPU, reg)) + +#define EXC_OFFSET_NAME(reg) (LLVM_EXTENSION offsetof (RegisterContextLinux_arm64::EXC, reg) + sizeof (RegisterContextLinux_arm64::GPR) + sizeof (RegisterContextLinux_arm64::FPU)) +#define DBG_OFFSET_NAME(reg) (LLVM_EXTENSION offsetof (RegisterContextLinux_arm64::DBG, reg) + sizeof (RegisterContextLinux_arm64::GPR) + sizeof (RegisterContextLinux_arm64::FPU) + sizeof (RegisterContextLinux_arm64::EXC)) + +#define DEFINE_DBG(reg, i) #reg, NULL, sizeof(((RegisterContextLinux_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 (RegisterContextLinux_arm64::GPR) + sizeof (RegisterContextLinux_arm64::FPU) + sizeof (RegisterContextLinux_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 NULL; + } +} + +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; + } +} + +RegisterContextLinux_arm64::RegisterContextLinux_arm64(const lldb_private::ArchSpec &target_arch) : + lldb_private::RegisterInfoInterface(target_arch), + m_register_info_p(GetRegisterInfoPtr(target_arch)), + m_register_info_count(GetRegisterInfoCount(target_arch)) +{ +} + +size_t +RegisterContextLinux_arm64::GetGPRSize() const +{ + return sizeof(struct RegisterContextLinux_arm64::GPR); +} + +const lldb_private::RegisterInfo * +RegisterContextLinux_arm64::GetRegisterInfo() const +{ + return m_register_info_p; +} + +uint32_t +RegisterContextLinux_arm64::GetRegisterCount() const +{ + return m_register_info_count; +} |