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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/RegisterInfoPOSIX_arm.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/RegisterInfoPOSIX_arm.cpp')
-rw-r--r--gnu/llvm/lldb/source/Plugins/Process/Utility/RegisterInfoPOSIX_arm.cpp91
1 files changed, 91 insertions, 0 deletions
diff --git a/gnu/llvm/lldb/source/Plugins/Process/Utility/RegisterInfoPOSIX_arm.cpp b/gnu/llvm/lldb/source/Plugins/Process/Utility/RegisterInfoPOSIX_arm.cpp
new file mode 100644
index 00000000000..d392d3be1c4
--- /dev/null
+++ b/gnu/llvm/lldb/source/Plugins/Process/Utility/RegisterInfoPOSIX_arm.cpp
@@ -0,0 +1,91 @@
+//===-- RegisterInfoPOSIX_arm.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 <cassert>
+#include <stddef.h>
+#include <vector>
+
+#include "lldb/lldb-defines.h"
+#include "llvm/Support/Compiler.h"
+
+#include "RegisterInfoPOSIX_arm.h"
+
+using namespace lldb;
+using namespace lldb_private;
+
+// Based on RegisterContextDarwin_arm.cpp
+#define GPR_OFFSET(idx) ((idx)*4)
+#define FPU_OFFSET(idx) ((idx)*4 + sizeof(RegisterInfoPOSIX_arm::GPR))
+#define FPSCR_OFFSET \
+ (LLVM_EXTENSION offsetof(RegisterInfoPOSIX_arm::FPU, fpscr) + \
+ sizeof(RegisterInfoPOSIX_arm::GPR))
+#define EXC_OFFSET(idx) \
+ ((idx)*4 + sizeof(RegisterInfoPOSIX_arm::GPR) + \
+ sizeof(RegisterInfoPOSIX_arm::FPU))
+#define DBG_OFFSET(reg) \
+ ((LLVM_EXTENSION offsetof(RegisterInfoPOSIX_arm::DBG, reg) + \
+ sizeof(RegisterInfoPOSIX_arm::GPR) + sizeof(RegisterInfoPOSIX_arm::FPU) + \
+ sizeof(RegisterInfoPOSIX_arm::EXC)))
+
+#define DEFINE_DBG(reg, i) \
+ #reg, NULL, sizeof(((RegisterInfoPOSIX_arm::DBG *) NULL)->reg[i]), \
+ DBG_OFFSET(reg[i]), eEncodingUint, eFormatHex, \
+ {LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, \
+ LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, \
+ dbg_##reg##i }, \
+ NULL, NULL, NULL, 0
+#define REG_CONTEXT_SIZE \
+ (sizeof(RegisterInfoPOSIX_arm::GPR) + sizeof(RegisterInfoPOSIX_arm::FPU) + \
+ sizeof(RegisterInfoPOSIX_arm::EXC))
+
+// Include RegisterInfos_arm to declare our g_register_infos_arm structure.
+#define DECLARE_REGISTER_INFOS_ARM_STRUCT
+#include "RegisterInfos_arm.h"
+#undef DECLARE_REGISTER_INFOS_ARM_STRUCT
+
+static const lldb_private::RegisterInfo *
+GetRegisterInfoPtr(const lldb_private::ArchSpec &target_arch) {
+ switch (target_arch.GetMachine()) {
+ case llvm::Triple::arm:
+ return g_register_infos_arm;
+ default:
+ assert(false && "Unhandled target architecture.");
+ return nullptr;
+ }
+}
+
+static uint32_t
+GetRegisterInfoCount(const lldb_private::ArchSpec &target_arch) {
+ switch (target_arch.GetMachine()) {
+ case llvm::Triple::arm:
+ return static_cast<uint32_t>(sizeof(g_register_infos_arm) /
+ sizeof(g_register_infos_arm[0]));
+ default:
+ assert(false && "Unhandled target architecture.");
+ return 0;
+ }
+}
+
+RegisterInfoPOSIX_arm::RegisterInfoPOSIX_arm(
+ const lldb_private::ArchSpec &target_arch)
+ : lldb_private::RegisterInfoInterface(target_arch),
+ m_register_info_p(GetRegisterInfoPtr(target_arch)),
+ m_register_info_count(GetRegisterInfoCount(target_arch)) {}
+
+size_t RegisterInfoPOSIX_arm::GetGPRSize() const {
+ return sizeof(struct RegisterInfoPOSIX_arm::GPR);
+}
+
+const lldb_private::RegisterInfo *
+RegisterInfoPOSIX_arm::GetRegisterInfo() const {
+ return m_register_info_p;
+}
+
+uint32_t RegisterInfoPOSIX_arm::GetRegisterCount() const {
+ return m_register_info_count;
+}