| //===-- RegisterContextMinidump_x86_32.cpp ----------------------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // Project includes |
| #include "RegisterContextMinidump_x86_32.h" |
| |
| // Other libraries and framework includes |
| #include "lldb/Utility/DataBufferHeap.h" |
| |
| // C includes |
| // C++ includes |
| |
| using namespace lldb_private; |
| using namespace minidump; |
| |
| static void writeRegister(const void *reg_src, |
| llvm::MutableArrayRef<uint8_t> reg_dest) { |
| memcpy(reg_dest.data(), reg_src, reg_dest.size()); |
| } |
| |
| lldb::DataBufferSP lldb_private::minidump::ConvertMinidumpContext_x86_32( |
| llvm::ArrayRef<uint8_t> source_data, |
| RegisterInfoInterface *target_reg_interface) { |
| |
| const RegisterInfo *reg_info = target_reg_interface->GetRegisterInfo(); |
| |
| lldb::DataBufferSP result_context_buf( |
| new DataBufferHeap(target_reg_interface->GetGPRSize(), 0)); |
| uint8_t *result_base = result_context_buf->GetBytes(); |
| |
| if (source_data.size() < sizeof(MinidumpContext_x86_32)) |
| return nullptr; |
| |
| const MinidumpContext_x86_32 *context; |
| consumeObject(source_data, context); |
| |
| const MinidumpContext_x86_32_Flags context_flags = |
| static_cast<MinidumpContext_x86_32_Flags>( |
| static_cast<uint32_t>(context->context_flags)); |
| auto x86_32_Flag = MinidumpContext_x86_32_Flags::x86_32_Flag; |
| auto ControlFlag = MinidumpContext_x86_32_Flags::Control; |
| auto IntegerFlag = MinidumpContext_x86_32_Flags::Integer; |
| auto SegmentsFlag = MinidumpContext_x86_32_Flags::Segments; |
| |
| if ((context_flags & x86_32_Flag) != x86_32_Flag) { |
| return nullptr; |
| } |
| |
| if ((context_flags & ControlFlag) == ControlFlag) { |
| writeRegister(&context->ebp, |
| reg_info[lldb_ebp_i386].mutable_data(result_base)); |
| writeRegister(&context->eip, |
| reg_info[lldb_eip_i386].mutable_data(result_base)); |
| writeRegister(&context->cs, |
| reg_info[lldb_cs_i386].mutable_data(result_base)); |
| writeRegister(&context->eflags, |
| reg_info[lldb_eflags_i386].mutable_data(result_base)); |
| writeRegister(&context->esp, |
| reg_info[lldb_esp_i386].mutable_data(result_base)); |
| writeRegister(&context->ss, |
| reg_info[lldb_ss_i386].mutable_data(result_base)); |
| } |
| |
| if ((context_flags & SegmentsFlag) == SegmentsFlag) { |
| writeRegister(&context->ds, |
| reg_info[lldb_ds_i386].mutable_data(result_base)); |
| writeRegister(&context->es, |
| reg_info[lldb_es_i386].mutable_data(result_base)); |
| writeRegister(&context->fs, |
| reg_info[lldb_fs_i386].mutable_data(result_base)); |
| writeRegister(&context->gs, |
| reg_info[lldb_gs_i386].mutable_data(result_base)); |
| } |
| |
| if ((context_flags & IntegerFlag) == IntegerFlag) { |
| writeRegister(&context->eax, |
| reg_info[lldb_eax_i386].mutable_data(result_base)); |
| writeRegister(&context->ecx, |
| reg_info[lldb_ecx_i386].mutable_data(result_base)); |
| writeRegister(&context->edx, |
| reg_info[lldb_edx_i386].mutable_data(result_base)); |
| writeRegister(&context->ebx, |
| reg_info[lldb_ebx_i386].mutable_data(result_base)); |
| writeRegister(&context->esi, |
| reg_info[lldb_esi_i386].mutable_data(result_base)); |
| writeRegister(&context->edi, |
| reg_info[lldb_edi_i386].mutable_data(result_base)); |
| } |
| |
| // TODO parse the floating point registers |
| |
| return result_context_buf; |
| } |