| //===-- RegisterContextMinidump_x86_64.h ------------------------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef liblldb_RegisterContextMinidump_h_ |
| #define liblldb_RegisterContextMinidump_h_ |
| |
| // Project includes |
| #include "MinidumpTypes.h" |
| |
| // Other libraries and framework includes |
| #include "Plugins/Process/Utility/RegisterInfoInterface.h" |
| #include "Plugins/Process/Utility/lldb-x86-register-enums.h" |
| |
| #include "lldb/Target/RegisterContext.h" |
| |
| #include "llvm/ADT/ArrayRef.h" |
| #include "llvm/ADT/BitmaskEnum.h" |
| #include "llvm/Support/Endian.h" |
| |
| // C includes |
| // C++ includes |
| |
| namespace lldb_private { |
| |
| namespace minidump { |
| |
| // This function receives an ArrayRef pointing to the bytes of the Minidump |
| // register context and returns a DataBuffer that's ordered by the offsets |
| // specified in the RegisterInfoInterface argument |
| // This way we can reuse the already existing register contexts |
| lldb::DataBufferSP |
| ConvertMinidumpContext_x86_64(llvm::ArrayRef<uint8_t> source_data, |
| RegisterInfoInterface *target_reg_interface); |
| |
| struct Uint128 { |
| llvm::support::ulittle64_t high; |
| llvm::support::ulittle64_t low; |
| }; |
| |
| // Reference: see breakpad/crashpad source or WinNT.h |
| struct MinidumpXMMSaveArea32AMD64 { |
| llvm::support::ulittle16_t control_word; |
| llvm::support::ulittle16_t status_word; |
| uint8_t tag_word; |
| uint8_t reserved1; |
| llvm::support::ulittle16_t error_opcode; |
| llvm::support::ulittle32_t error_offset; |
| llvm::support::ulittle16_t error_selector; |
| llvm::support::ulittle16_t reserved2; |
| llvm::support::ulittle32_t data_offset; |
| llvm::support::ulittle16_t data_selector; |
| llvm::support::ulittle16_t reserved3; |
| llvm::support::ulittle32_t mx_csr; |
| llvm::support::ulittle32_t mx_csr_mask; |
| Uint128 float_registers[8]; |
| Uint128 xmm_registers[16]; |
| uint8_t reserved4[96]; |
| }; |
| |
| struct MinidumpContext_x86_64 { |
| // Register parameter home addresses. |
| llvm::support::ulittle64_t p1_home; |
| llvm::support::ulittle64_t p2_home; |
| llvm::support::ulittle64_t p3_home; |
| llvm::support::ulittle64_t p4_home; |
| llvm::support::ulittle64_t p5_home; |
| llvm::support::ulittle64_t p6_home; |
| |
| // The context_flags field determines which parts |
| // of the structure are populated (have valid values) |
| llvm::support::ulittle32_t context_flags; |
| llvm::support::ulittle32_t mx_csr; |
| |
| // The next register is included with |
| // MinidumpContext_x86_64_Flags::Control |
| llvm::support::ulittle16_t cs; |
| |
| // The next 4 registers are included with |
| // MinidumpContext_x86_64_Flags::Segments |
| llvm::support::ulittle16_t ds; |
| llvm::support::ulittle16_t es; |
| llvm::support::ulittle16_t fs; |
| llvm::support::ulittle16_t gs; |
| |
| // The next 2 registers are included with |
| // MinidumpContext_x86_64_Flags::Control |
| llvm::support::ulittle16_t ss; |
| llvm::support::ulittle32_t eflags; |
| |
| // The next 6 registers are included with |
| // MinidumpContext_x86_64_Flags::DebugRegisters |
| llvm::support::ulittle64_t dr0; |
| llvm::support::ulittle64_t dr1; |
| llvm::support::ulittle64_t dr2; |
| llvm::support::ulittle64_t dr3; |
| llvm::support::ulittle64_t dr6; |
| llvm::support::ulittle64_t dr7; |
| |
| // The next 4 registers are included with |
| // MinidumpContext_x86_64_Flags::Integer |
| llvm::support::ulittle64_t rax; |
| llvm::support::ulittle64_t rcx; |
| llvm::support::ulittle64_t rdx; |
| llvm::support::ulittle64_t rbx; |
| |
| // The next register is included with |
| // MinidumpContext_x86_64_Flags::Control |
| llvm::support::ulittle64_t rsp; |
| |
| // The next 11 registers are included with |
| // MinidumpContext_x86_64_Flags::Integer |
| llvm::support::ulittle64_t rbp; |
| llvm::support::ulittle64_t rsi; |
| llvm::support::ulittle64_t rdi; |
| llvm::support::ulittle64_t r8; |
| llvm::support::ulittle64_t r9; |
| llvm::support::ulittle64_t r10; |
| llvm::support::ulittle64_t r11; |
| llvm::support::ulittle64_t r12; |
| llvm::support::ulittle64_t r13; |
| llvm::support::ulittle64_t r14; |
| llvm::support::ulittle64_t r15; |
| |
| // The next register is included with |
| // MinidumpContext_x86_64_Flags::Control |
| llvm::support::ulittle64_t rip; |
| |
| // The next set of registers are included with |
| // MinidumpContext_x86_64_Flags:FloatingPoint |
| union FPR { |
| MinidumpXMMSaveArea32AMD64 flt_save; |
| struct { |
| Uint128 header[2]; |
| Uint128 legacy[8]; |
| Uint128 xmm[16]; |
| } sse_registers; |
| }; |
| |
| enum { |
| VRCount = 26, |
| }; |
| |
| Uint128 vector_register[VRCount]; |
| llvm::support::ulittle64_t vector_control; |
| |
| // The next 5 registers are included with |
| // MinidumpContext_x86_64_Flags::DebugRegisters |
| llvm::support::ulittle64_t debug_control; |
| llvm::support::ulittle64_t last_branch_to_rip; |
| llvm::support::ulittle64_t last_branch_from_rip; |
| llvm::support::ulittle64_t last_exception_to_rip; |
| llvm::support::ulittle64_t last_exception_from_rip; |
| }; |
| |
| // For context_flags. These values indicate the type of |
| // context stored in the structure. The high 24 bits identify the CPU, the |
| // low 8 bits identify the type of context saved. |
| LLVM_ENABLE_BITMASK_ENUMS_IN_NAMESPACE(); |
| |
| enum class MinidumpContext_x86_64_Flags : uint32_t { |
| x86_64_Flag = 0x00100000, |
| Control = x86_64_Flag | 0x00000001, |
| Integer = x86_64_Flag | 0x00000002, |
| Segments = x86_64_Flag | 0x00000004, |
| FloatingPoint = x86_64_Flag | 0x00000008, |
| DebugRegisters = x86_64_Flag | 0x00000010, |
| XState = x86_64_Flag | 0x00000040, |
| |
| Full = Control | Integer | FloatingPoint, |
| All = Full | Segments | DebugRegisters, |
| |
| LLVM_MARK_AS_BITMASK_ENUM(/* LargestValue = */ All) |
| }; |
| |
| } // end namespace minidump |
| } // end namespace lldb_private |
| #endif // liblldb_RegisterContextMinidump_h_ |