vendor/lldb/lldb-release_39-r276489

1 files changed, 141 insertions, 0 deletions

diff --git a/source/Plugins/Process/Linux/NativeRegisterContextLinux_s390x.h b/source/Plugins/Process/Linux/NativeRegisterContextLinux_s390x.h
new file mode 100644
index 000000000000..8cd4ab7f1242
--- /dev/null
+++ b/source/Plugins/Process/Linux/NativeRegisterContextLinux_s390x.h
@@ -0,0 +1,141 @@
+//===-- NativeRegisterContextLinux_s390x.h ----------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#if defined(__s390x__) && defined(__linux__)
+
+#ifndef lldb_NativeRegisterContextLinux_s390x_h
+#define lldb_NativeRegisterContextLinux_s390x_h
+
+#include "Plugins/Process/Linux/NativeRegisterContextLinux.h"
+#include "Plugins/Process/Utility/RegisterContext_s390x.h"
+#include "Plugins/Process/Utility/lldb-s390x-register-enums.h"
+
+namespace lldb_private
+{
+namespace process_linux
+{
+
+class NativeProcessLinux;
+
+class NativeRegisterContextLinux_s390x : public NativeRegisterContextLinux
+{
+public:
+    NativeRegisterContextLinux_s390x(const ArchSpec &target_arch, NativeThreadProtocol &native_thread,
+                                     uint32_t concrete_frame_idx);
+
+    uint32_t
+    GetRegisterSetCount() const override;
+
+    const RegisterSet *
+    GetRegisterSet(uint32_t set_index) const override;
+
+    uint32_t
+    GetUserRegisterCount() const override;
+
+    Error
+    ReadRegister(const RegisterInfo *reg_info, RegisterValue &reg_value) override;
+
+    Error
+    WriteRegister(const RegisterInfo *reg_info, const RegisterValue &reg_value) override;
+
+    Error
+    ReadAllRegisterValues(lldb::DataBufferSP &data_sp) override;
+
+    Error
+    WriteAllRegisterValues(const lldb::DataBufferSP &data_sp) override;
+
+    Error
+    IsWatchpointHit(uint32_t wp_index, bool &is_hit) override;
+
+    Error
+    GetWatchpointHitIndex(uint32_t &wp_index, lldb::addr_t trap_addr) override;
+
+    Error
+    IsWatchpointVacant(uint32_t wp_index, bool &is_vacant) override;
+
+    bool
+    ClearHardwareWatchpoint(uint32_t wp_index) override;
+
+    Error
+    ClearAllHardwareWatchpoints() override;
+
+    uint32_t
+    SetHardwareWatchpoint(lldb::addr_t addr, size_t size, uint32_t watch_flags) override;
+
+    lldb::addr_t
+    GetWatchpointAddress(uint32_t wp_index) override;
+
+    uint32_t
+    NumSupportedHardwareWatchpoints() override;
+
+protected:
+    Error
+    DoReadRegisterValue(uint32_t offset, const char *reg_name, uint32_t size, RegisterValue &value) override;
+
+    Error
+    DoWriteRegisterValue(uint32_t offset, const char *reg_name, const RegisterValue &value) override;
+
+    Error
+    DoReadGPR(void *buf, size_t buf_size) override;
+
+    Error
+    DoWriteGPR(void *buf, size_t buf_size) override;
+
+    Error
+    DoReadFPR(void *buf, size_t buf_size) override;
+
+    Error
+    DoWriteFPR(void *buf, size_t buf_size) override;
+
+private:
+    // Info about register ranges.
+    struct RegInfo
+    {
+        uint32_t num_registers;
+        uint32_t num_gpr_registers;
+        uint32_t num_fpr_registers;
+
+        uint32_t last_gpr;
+        uint32_t first_fpr;
+        uint32_t last_fpr;
+    };
+
+    // Private member variables.
+    RegInfo m_reg_info;
+    lldb::addr_t m_watchpoint_addr;
+
+    // Private member methods.
+    bool
+    IsRegisterSetAvailable(uint32_t set_index) const;
+
+    bool
+    IsGPR(uint32_t reg_index) const;
+
+    bool
+    IsFPR(uint32_t reg_index) const;
+
+    Error
+    PeekUserArea(uint32_t offset, void *buf, size_t buf_size);
+
+    Error
+    PokeUserArea(uint32_t offset, const void *buf, size_t buf_size);
+
+    Error
+    DoReadRegisterSet(uint32_t regset, void *buf, size_t buf_size);
+
+    Error
+    DoWriteRegisterSet(uint32_t regset, const void *buf, size_t buf_size);
+};
+
+} // namespace process_linux
+} // namespace lldb_private
+
+#endif // #ifndef lldb_NativeRegisterContextLinux_s390x_h
+
+#endif // defined(__s390x__) && defined(__linux__)