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authorpatrick <patrick@openbsd.org>2020-08-03 14:33:06 +0000
committerpatrick <patrick@openbsd.org>2020-08-03 14:33:06 +0000
commit061da546b983eb767bad15e67af1174fb0bcf31c (patch)
tree83c78b820819d70aa40c36d90447978b300078c5 /gnu/llvm/lldb/source/Plugins/Process/Utility/RegisterContextOpenBSD_i386.cpp
parentImport LLVM 10.0.0 release including clang, lld and lldb. (diff)
downloadwireguard-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.cpp77
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]));
+}