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[MIPS] - Register Context for MIPS64
Patch by Jaydeep Patil Summery: 1. Add MIPS variants by parsing e_flags of the ELF 2. Create RegisterInfoInterface and RegisterContext for MIPS64 and MIPS64EL Reviewers: clayborg Subscribers: tberghammer, bhushan, mohit.bhakkad, sagar Differential Revision: http://reviews.llvm.org/D8166 llvm-svn: 232467
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lldb/source/Plugins/Process/Linux/NativeRegisterContextLinux_mips64.cpp
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| //===-- NativeRegisterContextLinux_mips64.cpp ---------------*- C++ -*-===// | ||
| // | ||
| // The LLVM Compiler Infrastructure | ||
| // | ||
| // This file is distributed under the University of Illinois Open Source | ||
| // License. See LICENSE.TXT for details. | ||
| // | ||
| //===----------------------------------------------------------------------===// | ||
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| #include "NativeRegisterContextLinux_mips64.h" | ||
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| #include "lldb/lldb-private-forward.h" | ||
| #include "lldb/Core/DataBufferHeap.h" | ||
| #include "lldb/Core/Error.h" | ||
| #include "lldb/Core/RegisterValue.h" | ||
| #include "lldb/Host/common/NativeProcessProtocol.h" | ||
| #include "lldb/Host/common/NativeThreadProtocol.h" | ||
| #include "Plugins/Process/Linux/NativeProcessLinux.h" | ||
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| using namespace lldb_private; | ||
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| // ---------------------------------------------------------------------------- | ||
| // Private namespace. | ||
| // ---------------------------------------------------------------------------- | ||
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| namespace | ||
| { | ||
| // mips64 general purpose registers. | ||
| const uint32_t | ||
| g_gp_regnums_mips64[] = | ||
| { | ||
| gp_reg_r0_mips64, | ||
| gp_reg_r1_mips64, | ||
| gp_reg_r2_mips64, | ||
| gp_reg_r3_mips64, | ||
| gp_reg_r4_mips64, | ||
| gp_reg_r5_mips64, | ||
| gp_reg_r6_mips64, | ||
| gp_reg_r7_mips64, | ||
| gp_reg_r8_mips64, | ||
| gp_reg_r9_mips64, | ||
| gp_reg_r10_mips64, | ||
| gp_reg_r11_mips64, | ||
| gp_reg_r12_mips64, | ||
| gp_reg_r13_mips64, | ||
| gp_reg_r14_mips64, | ||
| gp_reg_r15_mips64, | ||
| gp_reg_r16_mips64, | ||
| gp_reg_r17_mips64, | ||
| gp_reg_r18_mips64, | ||
| gp_reg_r19_mips64, | ||
| gp_reg_r20_mips64, | ||
| gp_reg_r21_mips64, | ||
| gp_reg_r22_mips64, | ||
| gp_reg_r23_mips64, | ||
| gp_reg_r24_mips64, | ||
| gp_reg_r25_mips64, | ||
| gp_reg_r26_mips64, | ||
| gp_reg_r27_mips64, | ||
| gp_reg_r28_mips64, | ||
| gp_reg_r29_mips64, | ||
| gp_reg_r30_mips64, | ||
| gp_reg_r31_mips64, | ||
| gp_reg_mullo_mips64, | ||
| gp_reg_mulhi_mips64, | ||
| gp_reg_pc_mips64, | ||
| gp_reg_badvaddr_mips64, | ||
| gp_reg_sr_mips64, | ||
| gp_reg_cause_mips64, | ||
| LLDB_INVALID_REGNUM // register sets need to end with this flag | ||
| }; | ||
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| static_assert((sizeof(g_gp_regnums_mips64) / sizeof(g_gp_regnums_mips64[0])) - 1 == k_num_gp_reg_mips64, | ||
| "g_gp_regnums_mips64 has wrong number of register infos"); | ||
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| // Number of register sets provided by this context. | ||
| enum | ||
| { | ||
| k_num_register_sets = 1 | ||
| }; | ||
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| // Register sets for mips64. | ||
| static const RegisterSet | ||
| g_reg_sets_mips64[k_num_register_sets] = | ||
| { | ||
| { "General Purpose Registers", "gpr", k_num_gp_reg_mips64, g_gp_regnums_mips64 } | ||
| }; | ||
| } | ||
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| // ---------------------------------------------------------------------------- | ||
| // NativeRegisterContextLinux_mips64 members. | ||
| // ---------------------------------------------------------------------------- | ||
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| NativeRegisterContextLinux_mips64::NativeRegisterContextLinux_mips64 (NativeThreadProtocol &native_thread, | ||
| uint32_t concrete_frame_idx, RegisterInfoInterface *reg_info_interface_p) : | ||
| NativeRegisterContextRegisterInfo (native_thread, concrete_frame_idx, reg_info_interface_p) | ||
| { | ||
| } | ||
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| uint32_t | ||
| NativeRegisterContextLinux_mips64::GetRegisterSetCount () const | ||
| { | ||
| return k_num_register_sets; | ||
| } | ||
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| const lldb_private::RegisterSet * | ||
| NativeRegisterContextLinux_mips64::GetRegisterSet (uint32_t set_index) const | ||
| { | ||
| if (set_index >= k_num_register_sets) | ||
| return nullptr; | ||
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| switch (GetRegisterInfoInterface ().GetTargetArchitecture ().GetMachine ()) | ||
| { | ||
| case llvm::Triple::mips64: | ||
| case llvm::Triple::mips64el: | ||
| return &g_reg_sets_mips64[set_index]; | ||
| default: | ||
| assert (false && "Unhandled target architecture."); | ||
| return nullptr; | ||
| } | ||
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| return nullptr; | ||
| } | ||
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| lldb_private::Error | ||
| NativeRegisterContextLinux_mips64::ReadRegister (const RegisterInfo *reg_info, RegisterValue ®_value) | ||
| { | ||
| Error error; | ||
| error.SetErrorString ("MIPS TODO: NativeRegisterContextLinux_mips64::ReadRegister not implemented"); | ||
| return error; | ||
| } | ||
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| lldb_private::Error | ||
| NativeRegisterContextLinux_mips64::WriteRegister (const RegisterInfo *reg_info, const RegisterValue ®_value) | ||
| { | ||
| Error error; | ||
| error.SetErrorString ("MIPS TODO: NativeRegisterContextLinux_mips64::WriteRegister not implemented"); | ||
| return error; | ||
| } | ||
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| lldb_private::Error | ||
| NativeRegisterContextLinux_mips64::ReadAllRegisterValues (lldb::DataBufferSP &data_sp) | ||
| { | ||
| Error error; | ||
| error.SetErrorString ("MIPS TODO: NativeRegisterContextLinux_mips64::ReadAllRegisterValues not implemented"); | ||
| return error; | ||
| } | ||
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| lldb_private::Error | ||
| NativeRegisterContextLinux_mips64::WriteAllRegisterValues (const lldb::DataBufferSP &data_sp) | ||
| { | ||
| Error error; | ||
| error.SetErrorString ("MIPS TODO: NativeRegisterContextLinux_mips64::WriteAllRegisterValues not implemented"); | ||
| return error; | ||
| } | ||
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| Error | ||
| NativeRegisterContextLinux_mips64::IsWatchpointHit (uint8_t wp_index) | ||
| { | ||
| Error error; | ||
| error.SetErrorString ("MIPS TODO: NativeRegisterContextLinux_mips64::IsWatchpointHit not implemented"); | ||
| return error; | ||
| } | ||
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| Error | ||
| NativeRegisterContextLinux_mips64::IsWatchpointVacant (uint32_t wp_index) | ||
| { | ||
| Error error; | ||
| error.SetErrorString ("MIPS TODO: NativeRegisterContextLinux_mips64::IsWatchpointVacant not implemented"); | ||
| return error; | ||
| } | ||
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| bool | ||
| NativeRegisterContextLinux_mips64::ClearHardwareWatchpoint (uint32_t wp_index) | ||
| { | ||
| return false; | ||
| } | ||
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| Error | ||
| NativeRegisterContextLinux_mips64::ClearAllHardwareWatchpoints () | ||
| { | ||
| Error error; | ||
| error.SetErrorString ("MIPS TODO: NativeRegisterContextLinux_mips64::ClearAllHardwareWatchpoints not implemented"); | ||
| return error; | ||
| } | ||
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| Error | ||
| NativeRegisterContextLinux_mips64::SetHardwareWatchpointWithIndex ( | ||
| lldb::addr_t addr, size_t size, uint32_t watch_flags, uint32_t wp_index) | ||
| { | ||
| Error error; | ||
| error.SetErrorString ("MIPS TODO: NativeRegisterContextLinux_mips64::SetHardwareWatchpointWithIndex not implemented"); | ||
| return error; | ||
| } | ||
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| uint32_t | ||
| NativeRegisterContextLinux_mips64::SetHardwareWatchpoint ( | ||
| lldb::addr_t addr, size_t size, uint32_t watch_flags) | ||
| { | ||
| return LLDB_INVALID_INDEX32; | ||
| } | ||
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| lldb::addr_t | ||
| NativeRegisterContextLinux_mips64::GetWatchpointAddress (uint32_t wp_index) | ||
| { | ||
| return LLDB_INVALID_ADDRESS; | ||
| } | ||
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| uint32_t | ||
| NativeRegisterContextLinux_mips64::NumSupportedHardwareWatchpoints () | ||
| { | ||
| return 0; | ||
| } |
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