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author | 2020-08-03 14:33:06 +0000 | |
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committer | 2020-08-03 14:33:06 +0000 | |
commit | 061da546b983eb767bad15e67af1174fb0bcf31c (patch) | |
tree | 83c78b820819d70aa40c36d90447978b300078c5 /gnu/llvm/lldb/source/Plugins/Process/Utility/RegisterContextOpenBSD_i386.cpp | |
parent | Import LLVM 10.0.0 release including clang, lld and lldb. (diff) | |
download | wireguard-openbsd-061da546b983eb767bad15e67af1174fb0bcf31c.tar.xz wireguard-openbsd-061da546b983eb767bad15e67af1174fb0bcf31c.zip |
Import LLVM 10.0.0 release including clang, lld and lldb.
ok hackroom
tested by plenty
Diffstat (limited to 'gnu/llvm/lldb/source/Plugins/Process/Utility/RegisterContextOpenBSD_i386.cpp')
-rw-r--r-- | gnu/llvm/lldb/source/Plugins/Process/Utility/RegisterContextOpenBSD_i386.cpp | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/gnu/llvm/lldb/source/Plugins/Process/Utility/RegisterContextOpenBSD_i386.cpp b/gnu/llvm/lldb/source/Plugins/Process/Utility/RegisterContextOpenBSD_i386.cpp new file mode 100644 index 00000000000..06eac6f7f99 --- /dev/null +++ b/gnu/llvm/lldb/source/Plugins/Process/Utility/RegisterContextOpenBSD_i386.cpp @@ -0,0 +1,77 @@ +//===-- RegisterContextOpenBSD_i386.cpp ------------------------*- C++ -*-===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===---------------------------------------------------------------------===// + +#include "RegisterContextOpenBSD_i386.h" +#include "RegisterContextPOSIX_x86.h" + +using namespace lldb_private; +using namespace lldb; + +// /usr/include/machine/reg.h +struct GPR { + uint32_t eax; + uint32_t ecx; + uint32_t edx; + uint32_t ebx; + uint32_t esp; + uint32_t ebp; + uint32_t esi; + uint32_t edi; + uint32_t eip; + uint32_t eflags; + uint32_t cs; + uint32_t ss; + uint32_t ds; + uint32_t es; + uint32_t fs; + uint32_t gs; +}; + +struct dbreg { + uint32_t dr[8]; /* debug registers */ + /* Index 0-3: debug address registers */ + /* Index 4-5: reserved */ + /* Index 6: debug status */ + /* Index 7: debug control */ +}; + +using FPR_i386 = FXSAVE; + +struct UserArea { + GPR gpr; + FPR_i386 i387; +}; + +#define DR_SIZE sizeof(uint32_t) +#define DR_OFFSET(reg_index) (LLVM_EXTENSION offsetof(dbreg, dr[reg_index])) + +// Include RegisterInfos_i386 to declare our g_register_infos_i386 structure. +#define DECLARE_REGISTER_INFOS_I386_STRUCT +#include "RegisterInfos_i386.h" +#undef DECLARE_REGISTER_INFOS_I386_STRUCT + +RegisterContextOpenBSD_i386::RegisterContextOpenBSD_i386( + const ArchSpec &target_arch) + : RegisterInfoInterface(target_arch) {} + +size_t RegisterContextOpenBSD_i386::GetGPRSize() const { return sizeof(GPR); } + +const RegisterInfo *RegisterContextOpenBSD_i386::GetRegisterInfo() const { + switch (m_target_arch.GetMachine()) { + case llvm::Triple::x86: + return g_register_infos_i386; + default: + assert(false && "Unhandled target architecture."); + return nullptr; + } +} + +uint32_t RegisterContextOpenBSD_i386::GetRegisterCount() const { + return static_cast<uint32_t>(sizeof(g_register_infos_i386) / + sizeof(g_register_infos_i386[0])); +} |