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|
//===-- ABIMacOSX_arm64.cpp -------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "ABIMacOSX_arm64.h"
#include "lldb/Core/ConstString.h"
#include "lldb/Core/Error.h"
#include "lldb/Core/Log.h"
#include "lldb/Core/Module.h"
#include "lldb/Core/PluginManager.h"
#include "lldb/Core/RegisterValue.h"
#include "lldb/Core/Scalar.h"
#include "lldb/Core/Value.h"
#include "lldb/Core/Value.h"
#include "lldb/Core/ValueObjectConstResult.h"
#include "lldb/Symbol/ClangASTContext.h"
#include "lldb/Symbol/UnwindPlan.h"
#include "lldb/Target/Process.h"
#include "lldb/Target/RegisterContext.h"
#include "lldb/Target/Target.h"
#include "lldb/Target/Thread.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/Triple.h"
#include "Utility/ARM64_DWARF_Registers.h"
#include <vector>
using namespace lldb;
using namespace lldb_private;
static const char *pluginDesc = "Mac OS X ABI for arm64 targets";
static const char *pluginShort = "abi.macosx-arm64";
static RegisterInfo g_register_infos[] =
{
// NAME ALT SZ OFF ENCODING FORMAT COMPILER DWARF GENERIC GDB LLDB NATIVE
// ========== ======= == === ============= =================== =================== ====================== =========================== ======================= ======================
{ "x0", NULL, 8, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::x0, LLDB_REGNUM_GENERIC_ARG1, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "x1", NULL, 8, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::x1, LLDB_REGNUM_GENERIC_ARG2, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "x2", NULL, 8, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::x2, LLDB_REGNUM_GENERIC_ARG3, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "x3", NULL, 8, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::x3, LLDB_REGNUM_GENERIC_ARG4, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "x4", NULL, 8, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::x4, LLDB_REGNUM_GENERIC_ARG5, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "x5", NULL, 8, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::x5, LLDB_REGNUM_GENERIC_ARG6, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "x6", NULL, 8, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::x6, LLDB_REGNUM_GENERIC_ARG7, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "x7", NULL, 8, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::x7, LLDB_REGNUM_GENERIC_ARG8, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "x8", NULL, 8, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::x8, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "x9", NULL, 8, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::x9, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "x10", NULL, 8, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::x10, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "x11", NULL, 8, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::x11, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "x12", NULL, 8, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::x12, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "x13", NULL, 8, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::x13, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "x14", NULL, 8, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::x14, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "x15", NULL, 8, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::x15, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "x16", NULL, 8, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::x16, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "x17", NULL, 8, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::x17, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "x18", NULL, 8, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::x18, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "x19", NULL, 8, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::x19, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "x20", NULL, 8, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::x20, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "x21", NULL, 8, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::x21, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "x22", NULL, 8, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::x22, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "x23", NULL, 8, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::x23, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "x24", NULL, 8, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::x24, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "x25", NULL, 8, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::x25, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "x26", NULL, 8, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::x26, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "x27", NULL, 8, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::x27, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "x28", NULL, 8, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::x28, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "fp", "x29", 8, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::x29, LLDB_REGNUM_GENERIC_FP, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "lr", "x30", 8, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::x30, LLDB_REGNUM_GENERIC_RA, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "sp", "x31", 8, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::x31, LLDB_REGNUM_GENERIC_SP, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "pc", NULL, 8, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::pc, LLDB_REGNUM_GENERIC_PC, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "cpsr", "psr", 4, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::cpsr, LLDB_REGNUM_GENERIC_FLAGS, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "v0", NULL, 16, 0, eEncodingVector , eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, arm64_dwarf::v0, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "v1", NULL, 16, 0, eEncodingVector , eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, arm64_dwarf::v1, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "v2", NULL, 16, 0, eEncodingVector , eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, arm64_dwarf::v2, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "v3", NULL, 16, 0, eEncodingVector , eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, arm64_dwarf::v3, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "v4", NULL, 16, 0, eEncodingVector , eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, arm64_dwarf::v4, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "v5", NULL, 16, 0, eEncodingVector , eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, arm64_dwarf::v5, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "v6", NULL, 16, 0, eEncodingVector , eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, arm64_dwarf::v6, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "v7", NULL, 16, 0, eEncodingVector , eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, arm64_dwarf::v7, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "v8", NULL, 16, 0, eEncodingVector , eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, arm64_dwarf::v8, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "v9", NULL, 16, 0, eEncodingVector , eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, arm64_dwarf::v9, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "v10", NULL, 16, 0, eEncodingVector , eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, arm64_dwarf::v10, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "v11", NULL, 16, 0, eEncodingVector , eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, arm64_dwarf::v11, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "v12", NULL, 16, 0, eEncodingVector , eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, arm64_dwarf::v12, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "v13", NULL, 16, 0, eEncodingVector , eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, arm64_dwarf::v13, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "v14", NULL, 16, 0, eEncodingVector , eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, arm64_dwarf::v14, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "v15", NULL, 16, 0, eEncodingVector , eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, arm64_dwarf::v15, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "v16", NULL, 16, 0, eEncodingVector , eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, arm64_dwarf::v16, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "v17", NULL, 16, 0, eEncodingVector , eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, arm64_dwarf::v17, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "v18", NULL, 16, 0, eEncodingVector , eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, arm64_dwarf::v18, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "v19", NULL, 16, 0, eEncodingVector , eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, arm64_dwarf::v19, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "v20", NULL, 16, 0, eEncodingVector , eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, arm64_dwarf::v20, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "v21", NULL, 16, 0, eEncodingVector , eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, arm64_dwarf::v21, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "v22", NULL, 16, 0, eEncodingVector , eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, arm64_dwarf::v22, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "v23", NULL, 16, 0, eEncodingVector , eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, arm64_dwarf::v23, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "v24", NULL, 16, 0, eEncodingVector , eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, arm64_dwarf::v24, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "v25", NULL, 16, 0, eEncodingVector , eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, arm64_dwarf::v25, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "v26", NULL, 16, 0, eEncodingVector , eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, arm64_dwarf::v26, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "v27", NULL, 16, 0, eEncodingVector , eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, arm64_dwarf::v27, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "v28", NULL, 16, 0, eEncodingVector , eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, arm64_dwarf::v28, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "v29", NULL, 16, 0, eEncodingVector , eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, arm64_dwarf::v29, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "v30", NULL, 16, 0, eEncodingVector , eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, arm64_dwarf::v30, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "v31", NULL, 16, 0, eEncodingVector , eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, arm64_dwarf::v31, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "fpsr", NULL, 4, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "fpcr", NULL, 4, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "s0", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "s1", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "s2", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "s3", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "s4", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "s5", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "s6", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "s7", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "s8", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "s9", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "s10", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "s11", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "s12", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "s13", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "s14", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "s15", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "s16", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "s17", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "s18", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "s19", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "s20", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "s21", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "s22", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "s23", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "s24", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "s25", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "s26", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "s27", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "s28", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "s29", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "s30", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "s31", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "d0", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "d1", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "d2", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "d3", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "d4", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "d5", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "d6", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "d7", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "d8", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "d9", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "d10", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "d11", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "d12", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "d13", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "d14", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "d15", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "d16", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "d17", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "d18", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "d19", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "d20", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "d21", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "d22", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "d23", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "d24", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "d25", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "d26", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "d27", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "d28", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "d29", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "d30", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL },
{ "d31", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }
};
static const uint32_t k_num_register_infos = llvm::array_lengthof(g_register_infos);
static bool g_register_info_names_constified = false;
const lldb_private::RegisterInfo *
ABIMacOSX_arm64::GetRegisterInfoArray (uint32_t &count)
{
// Make the C-string names and alt_names for the register infos into const
// C-string values by having the ConstString unique the names in the global
// constant C-string pool.
if (!g_register_info_names_constified)
{
g_register_info_names_constified = true;
for (uint32_t i=0; i<k_num_register_infos; ++i)
{
if (g_register_infos[i].name)
g_register_infos[i].name = ConstString(g_register_infos[i].name).GetCString();
if (g_register_infos[i].alt_name)
g_register_infos[i].alt_name = ConstString(g_register_infos[i].alt_name).GetCString();
}
}
count = k_num_register_infos;
return g_register_infos;
}
size_t
ABIMacOSX_arm64::GetRedZoneSize () const
{
return 128;
}
//------------------------------------------------------------------
// Static Functions
//------------------------------------------------------------------
ABISP
ABIMacOSX_arm64::CreateInstance (const ArchSpec &arch)
{
static ABISP g_abi_sp;
if (arch.GetTriple().getArch() == llvm::Triple::aarch64)
{
if (!g_abi_sp)
g_abi_sp.reset (new ABIMacOSX_arm64);
return g_abi_sp;
}
return ABISP();
}
bool
ABIMacOSX_arm64::PrepareTrivialCall (Thread &thread,
lldb::addr_t sp,
lldb::addr_t func_addr,
lldb::addr_t return_addr,
llvm::ArrayRef<lldb::addr_t> args) const
{
RegisterContext *reg_ctx = thread.GetRegisterContext().get();
if (!reg_ctx)
return false;
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS));
if (log)
{
StreamString s;
s.Printf("ABISysV_x86_64::PrepareTrivialCall (tid = 0x%" PRIx64 ", sp = 0x%" PRIx64 ", func_addr = 0x%" PRIx64 ", return_addr = 0x%" PRIx64,
thread.GetID(),
(uint64_t)sp,
(uint64_t)func_addr,
(uint64_t)return_addr);
for (size_t i = 0; i < args.size(); ++i)
s.Printf (", arg%d = 0x%" PRIx64, static_cast<int>(i + 1), args[i]);
s.PutCString (")");
log->PutCString(s.GetString().c_str());
}
const uint32_t pc_reg_num = reg_ctx->ConvertRegisterKindToRegisterNumber (eRegisterKindGeneric, LLDB_REGNUM_GENERIC_PC);
const uint32_t sp_reg_num = reg_ctx->ConvertRegisterKindToRegisterNumber (eRegisterKindGeneric, LLDB_REGNUM_GENERIC_SP);
const uint32_t ra_reg_num = reg_ctx->ConvertRegisterKindToRegisterNumber (eRegisterKindGeneric, LLDB_REGNUM_GENERIC_RA);
// x0 - x7 contain first 8 simple args
if (args.size() > 8) // TODO handle more than 6 arguments
return false;
for (size_t i = 0; i < args.size(); ++i)
{
const RegisterInfo *reg_info = reg_ctx->GetRegisterInfo(eRegisterKindGeneric, LLDB_REGNUM_GENERIC_ARG1 + i);
if (log)
log->Printf("About to write arg%d (0x%" PRIx64 ") into %s",
static_cast<int>(i + 1), args[i], reg_info->name);
if (!reg_ctx->WriteRegisterFromUnsigned(reg_info, args[i]))
return false;
}
// Set "lr" to the return address
if (!reg_ctx->WriteRegisterFromUnsigned (reg_ctx->GetRegisterInfoAtIndex (ra_reg_num), return_addr))
return false;
// Set "sp" to the requested value
if (!reg_ctx->WriteRegisterFromUnsigned (reg_ctx->GetRegisterInfoAtIndex (sp_reg_num), sp))
return false;
// Set "pc" to the address requested
if (!reg_ctx->WriteRegisterFromUnsigned (reg_ctx->GetRegisterInfoAtIndex (pc_reg_num), func_addr))
return false;
return true;
}
bool
ABIMacOSX_arm64::GetArgumentValues (Thread &thread, ValueList &values) const
{
uint32_t num_values = values.GetSize();
ExecutionContext exe_ctx (thread.shared_from_this());
// Extract the register context so we can read arguments from registers
RegisterContext *reg_ctx = thread.GetRegisterContext().get();
if (!reg_ctx)
return false;
addr_t sp = 0;
for (uint32_t value_idx = 0; value_idx < num_values; ++value_idx)
{
// We currently only support extracting values with Clang QualTypes.
// Do we care about others?
Value *value = values.GetValueAtIndex(value_idx);
if (!value)
return false;
ClangASTType value_type = value->GetClangType();
if (value_type)
{
bool is_signed = false;
size_t bit_width = 0;
if (value_type.IsIntegerType (is_signed))
{
bit_width = value_type.GetBitSize();
}
else if (value_type.IsPointerOrReferenceType ())
{
bit_width = value_type.GetBitSize();
}
else
{
// We only handle integer, pointer and reference types currently...
return false;
}
if (bit_width <= (exe_ctx.GetProcessRef().GetAddressByteSize() * 8))
{
if (value_idx < 8)
{
// Arguments 1-6 are in x0-x5...
const RegisterInfo *reg_info = NULL;
// Search by generic ID first, then fall back to by name
uint32_t arg_reg_num = reg_ctx->ConvertRegisterKindToRegisterNumber (eRegisterKindGeneric, LLDB_REGNUM_GENERIC_ARG1 + value_idx);
if (arg_reg_num != LLDB_INVALID_REGNUM)
{
reg_info = reg_ctx->GetRegisterInfoAtIndex(arg_reg_num);
}
else
{
switch (value_idx)
{
case 0: reg_info = reg_ctx->GetRegisterInfoByName("x0"); break;
case 1: reg_info = reg_ctx->GetRegisterInfoByName("x1"); break;
case 2: reg_info = reg_ctx->GetRegisterInfoByName("x2"); break;
case 3: reg_info = reg_ctx->GetRegisterInfoByName("x3"); break;
case 4: reg_info = reg_ctx->GetRegisterInfoByName("x4"); break;
case 5: reg_info = reg_ctx->GetRegisterInfoByName("x5"); break;
case 6: reg_info = reg_ctx->GetRegisterInfoByName("x6"); break;
case 7: reg_info = reg_ctx->GetRegisterInfoByName("x7"); break;
}
}
if (reg_info)
{
RegisterValue reg_value;
if (reg_ctx->ReadRegister(reg_info, reg_value))
{
if (is_signed)
reg_value.SignExtend(bit_width);
if (!reg_value.GetScalarValue(value->GetScalar()))
return false;
continue;
}
}
return false;
}
else
{
if (sp == 0)
{
// Read the stack pointer if we already haven't read it
sp = reg_ctx->GetSP(0);
if (sp == 0)
return false;
}
// Arguments 5 on up are on the stack
const uint32_t arg_byte_size = (bit_width + (8-1)) / 8;
Error error;
if (!exe_ctx.GetProcessRef().ReadScalarIntegerFromMemory(sp, arg_byte_size, is_signed, value->GetScalar(), error))
return false;
sp += arg_byte_size;
// Align up to the next 8 byte boundary if needed
if (sp % 8)
{
sp >>= 3;
sp += 1;
sp <<= 3;
}
}
}
}
}
return true;
}
Error
ABIMacOSX_arm64::SetReturnValueObject(lldb::StackFrameSP &frame_sp, lldb::ValueObjectSP &new_value_sp)
{
Error error;
if (!new_value_sp)
{
error.SetErrorString("Empty value object for return value.");
return error;
}
ClangASTType return_value_type = new_value_sp->GetClangType();
if (!return_value_type)
{
error.SetErrorString ("Null clang type for return value.");
return error;
}
Thread *thread = frame_sp->GetThread().get();
RegisterContext *reg_ctx = thread->GetRegisterContext().get();
if (reg_ctx)
{
DataExtractor data;
Error data_error;
const uint64_t byte_size = new_value_sp->GetData(data, data_error);
if (data_error.Fail())
{
error.SetErrorStringWithFormat("Couldn't convert return value to raw data: %s", data_error.AsCString());
return error;
}
const uint32_t type_flags = return_value_type.GetTypeInfo (NULL);
if (type_flags & ClangASTType::eTypeIsScalar ||
type_flags & ClangASTType::eTypeIsPointer)
{
if (type_flags & ClangASTType::eTypeIsInteger ||
type_flags & ClangASTType::eTypeIsPointer )
{
// Extract the register context so we can read arguments from registers
lldb::offset_t offset = 0;
if (byte_size <= 16)
{
const RegisterInfo *x0_info = reg_ctx->GetRegisterInfoByName("x0", 0);
if (byte_size <= 8)
{
uint64_t raw_value = data.GetMaxU64(&offset, byte_size);
if (!reg_ctx->WriteRegisterFromUnsigned (x0_info, raw_value))
error.SetErrorString ("failed to write register x0");
}
else
{
uint64_t raw_value = data.GetMaxU64(&offset, 8);
if (reg_ctx->WriteRegisterFromUnsigned (x0_info, raw_value))
{
const RegisterInfo *x1_info = reg_ctx->GetRegisterInfoByName("x1", 0);
raw_value = data.GetMaxU64(&offset, byte_size - offset);
if (!reg_ctx->WriteRegisterFromUnsigned (x1_info, raw_value))
error.SetErrorString ("failed to write register x1");
}
}
}
else
{
error.SetErrorString("We don't support returning longer than 128 bit integer values at present.");
}
}
else if (type_flags & ClangASTType::eTypeIsFloat)
{
if (type_flags & ClangASTType::eTypeIsComplex)
{
// Don't handle complex yet.
error.SetErrorString ("returning complex float values are not supported");
}
else
{
const RegisterInfo *v0_info = reg_ctx->GetRegisterInfoByName("v0", 0);
if (v0_info)
{
if (byte_size <= 16)
{
if (byte_size <= RegisterValue::GetMaxByteSize())
{
RegisterValue reg_value;
error = reg_value.SetValueFromData (v0_info, data, 0, true);
if (error.Success())
{
if (!reg_ctx->WriteRegister (v0_info, reg_value))
error.SetErrorString ("failed to write register v0");
}
}
else
{
error.SetErrorStringWithFormat ("returning float values with a byte size of %" PRIu64 " are not supported", byte_size);
}
}
else
{
error.SetErrorString("returning float values longer than 128 bits are not supported");
}
}
else
{
error.SetErrorString("v0 register is not available on this target");
}
}
}
}
else if (type_flags & ClangASTType::eTypeIsVector)
{
if (byte_size > 0)
{
const RegisterInfo *v0_info = reg_ctx->GetRegisterInfoByName("v0", 0);
if (v0_info)
{
if (byte_size <= v0_info->byte_size)
{
RegisterValue reg_value;
error = reg_value.SetValueFromData (v0_info, data, 0, true);
if (error.Success())
{
if (!reg_ctx->WriteRegister (v0_info, reg_value))
error.SetErrorString ("failed to write register v0");
}
}
}
}
}
}
else
{
error.SetErrorString("no registers are available");
}
return error;
}
bool
ABIMacOSX_arm64::CreateFunctionEntryUnwindPlan (UnwindPlan &unwind_plan)
{
unwind_plan.Clear();
unwind_plan.SetRegisterKind (eRegisterKindDWARF);
uint32_t lr_reg_num = arm64_dwarf::lr;
uint32_t sp_reg_num = arm64_dwarf::sp;
uint32_t pc_reg_num = arm64_dwarf::pc;
UnwindPlan::RowSP row(new UnwindPlan::Row);
// Our previous Call Frame Address is the stack pointer
row->SetCFARegister (sp_reg_num);
// Our previous PC is in the LR
row->SetRegisterLocationToRegister(pc_reg_num, lr_reg_num, true);
unwind_plan.AppendRow (row);
// All other registers are the same.
unwind_plan.SetSourceName ("arm64 at-func-entry default");
unwind_plan.SetSourcedFromCompiler (eLazyBoolNo);
return true;
}
bool
ABIMacOSX_arm64::CreateDefaultUnwindPlan (UnwindPlan &unwind_plan)
{
unwind_plan.Clear();
unwind_plan.SetRegisterKind (eRegisterKindDWARF);
uint32_t fp_reg_num = arm64_dwarf::fp;
uint32_t pc_reg_num = arm64_dwarf::pc;
UnwindPlan::RowSP row(new UnwindPlan::Row);
const int32_t ptr_size = 8;
row->SetCFARegister (fp_reg_num);
row->SetCFAOffset (2 * ptr_size);
row->SetOffset (0);
row->SetRegisterLocationToAtCFAPlusOffset(fp_reg_num, ptr_size * -2, true);
row->SetRegisterLocationToAtCFAPlusOffset(pc_reg_num, ptr_size * -1, true);
unwind_plan.AppendRow (row);
unwind_plan.SetSourceName ("arm64-apple-darwin default unwind plan");
unwind_plan.SetSourcedFromCompiler (eLazyBoolNo);
unwind_plan.SetUnwindPlanValidAtAllInstructions (eLazyBoolNo);
return true;
}
// AAPCS64 (Procedure Call Standard for the ARM 64-bit Architecture) says
// registers x19 through x28 and sp are callee preserved.
// v8-v15 are non-volatile (and specifically only the lower 8 bytes of these regs),
// the rest of the fp/SIMD registers are volatile.
// We treat x29 as callee preserved also, else the unwinder won't try to
// retrieve fp saves.
bool
ABIMacOSX_arm64::RegisterIsVolatile (const RegisterInfo *reg_info)
{
if (reg_info)
{
const char *name = reg_info->name;
// Sometimes we'll be called with the "alternate" name for these registers;
// recognize them as non-volatile.
if (name[0] == 'p' && name[1] == 'c') // pc
return false;
if (name[0] == 'f' && name[1] == 'p') // fp
return false;
if (name[0] == 's' && name[1] == 'p') // sp
return false;
if (name[0] == 'l' && name[1] == 'r') // lr
return false;
if (name[0] == 'x')
{
// Volatile registers: x0-x18, x30 (lr)
// Return false for the non-volatile gpr regs, true for everything else
switch (name[1])
{
case '1':
switch (name[2])
{
case '9':
return false; // x19 is non-volatile
default:
return true;
}
break;
case '2':
switch (name[2])
{
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
return false; // x20 - 28 are non-volatile
case '9':
return false; // x29 aka fp treat as non-volatile on Darwin
default:
return true;
}
case '3': // x30 aka lr treat as non-volatile
if (name[2] == '0')
return false;
default:
return true;
}
}
else if (name[0] == 'v' || name[0] == 's' || name[0] == 'd')
{
// Volatile registers: v0-7, v16-v31
// Return false for non-volatile fp/SIMD regs, true for everything else
switch (name[1])
{
case '8':
case '9':
return false; // v8-v9 are non-volatile
case '1':
switch (name[2])
{
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
return false; // v10-v15 are non-volatile
default:
return true;
}
default:
return true;
}
}
}
return true;
}
static bool
LoadValueFromConsecutiveGPRRegisters (ExecutionContext &exe_ctx,
RegisterContext *reg_ctx,
const ClangASTType &value_type,
bool is_return_value, // false => parameter, true => return value
uint32_t &NGRN, // NGRN (see ABI documentation)
uint32_t &NSRN, // NSRN (see ABI documentation)
DataExtractor &data)
{
const size_t byte_size = value_type.GetByteSize();
if (byte_size == 0)
return false;
std::unique_ptr<DataBufferHeap> heap_data_ap (new DataBufferHeap(byte_size, 0));
const ByteOrder byte_order = exe_ctx.GetProcessRef().GetByteOrder();
Error error;
ClangASTType base_type;
const uint32_t homogeneous_count = value_type.IsHomogeneousAggregate (&base_type);
if (homogeneous_count > 0 && homogeneous_count <= 8)
{
printf ("ClangASTContext::IsHomogeneousAggregate() => %u\n", homogeneous_count);
// Make sure we have enough registers
if (NSRN < 8 && (8-NSRN) >= homogeneous_count)
{
if (!base_type)
return false;
const size_t base_byte_size = base_type.GetByteSize();
printf ("ClangASTContext::IsHomogeneousAggregate() => base_byte_size = %" PRIu64 "\n", (uint64_t) base_byte_size);
uint32_t data_offset = 0;
for (uint32_t i=0; i<homogeneous_count; ++i)
{
char v_name[8];
::snprintf (v_name, sizeof(v_name), "v%u", NSRN);
const RegisterInfo *reg_info = reg_ctx->GetRegisterInfoByName(v_name, 0);
if (reg_info == NULL)
return false;
if (base_byte_size > reg_info->byte_size)
return false;
RegisterValue reg_value;
if (!reg_ctx->ReadRegister(reg_info, reg_value))
return false;
// Make sure we have enough room in "heap_data_ap"
if ((data_offset + base_byte_size) <= heap_data_ap->GetByteSize())
{
const size_t bytes_copied = reg_value.GetAsMemoryData (reg_info,
heap_data_ap->GetBytes()+data_offset,
base_byte_size,
byte_order,
error);
if (bytes_copied != base_byte_size)
return false;
data_offset += bytes_copied;
++NSRN;
}
else
return false;
}
data.SetByteOrder(byte_order);
data.SetAddressByteSize(exe_ctx.GetProcessRef().GetAddressByteSize());
data.SetData(DataBufferSP (heap_data_ap.release()));
return true;
}
}
const size_t max_reg_byte_size = 16;
if (byte_size <= max_reg_byte_size)
{
size_t bytes_left = byte_size;
uint32_t data_offset = 0;
while (data_offset < byte_size)
{
if (NGRN >= 8)
return false;
uint32_t reg_num = reg_ctx->ConvertRegisterKindToRegisterNumber (eRegisterKindGeneric, LLDB_REGNUM_GENERIC_ARG1 + NGRN);
if (reg_num == LLDB_INVALID_REGNUM)
return false;
const RegisterInfo *reg_info = reg_ctx->GetRegisterInfoAtIndex(reg_num);
if (reg_info == NULL)
return false;
RegisterValue reg_value;
if (!reg_ctx->ReadRegister(reg_info, reg_value))
return false;
const size_t curr_byte_size = std::min<size_t>(8,bytes_left);
const size_t bytes_copied = reg_value.GetAsMemoryData (reg_info, heap_data_ap->GetBytes()+data_offset, curr_byte_size, byte_order, error);
if (bytes_copied == 0)
return false;
if (bytes_copied >= bytes_left)
break;
data_offset += bytes_copied;
bytes_left -= bytes_copied;
++NGRN;
}
}
else
{
const RegisterInfo *reg_info = NULL;
if (is_return_value)
{
// We are assuming we are decoding this immediately after returning
// from a function call and that the address of the structure is in x8
reg_info = reg_ctx->GetRegisterInfoByName("x8", 0);
}
else
{
// We are assuming we are stopped at the first instruction in a function
// and that the ABI is being respected so all parameters appear where they
// should be (functions with no external linkage can legally violate the ABI).
if (NGRN >= 8)
return false;
uint32_t reg_num = reg_ctx->ConvertRegisterKindToRegisterNumber (eRegisterKindGeneric, LLDB_REGNUM_GENERIC_ARG1 + NGRN);
if (reg_num == LLDB_INVALID_REGNUM)
return false;
reg_info = reg_ctx->GetRegisterInfoAtIndex(reg_num);
if (reg_info == NULL)
return false;
++NGRN;
}
if (reg_info == NULL)
return false;
const lldb::addr_t value_addr = reg_ctx->ReadRegisterAsUnsigned(reg_info, LLDB_INVALID_ADDRESS);
if (value_addr == LLDB_INVALID_ADDRESS)
return false;
if (exe_ctx.GetProcessRef().ReadMemory (value_addr,
heap_data_ap->GetBytes(),
heap_data_ap->GetByteSize(),
error) != heap_data_ap->GetByteSize())
{
return false;
}
}
data.SetByteOrder(byte_order);
data.SetAddressByteSize(exe_ctx.GetProcessRef().GetAddressByteSize());
data.SetData(DataBufferSP (heap_data_ap.release()));
return true;
}
ValueObjectSP
ABIMacOSX_arm64::GetReturnValueObjectImpl (Thread &thread, ClangASTType &return_clang_type) const
{
ValueObjectSP return_valobj_sp;
Value value;
ExecutionContext exe_ctx (thread.shared_from_this());
if (exe_ctx.GetTargetPtr() == NULL || exe_ctx.GetProcessPtr() == NULL)
return return_valobj_sp;
//value.SetContext (Value::eContextTypeClangType, return_clang_type);
value.SetClangType(return_clang_type);
RegisterContext *reg_ctx = thread.GetRegisterContext().get();
if (!reg_ctx)
return return_valobj_sp;
const size_t byte_size = return_clang_type.GetByteSize();
const uint32_t type_flags = return_clang_type.GetTypeInfo (NULL);
if (type_flags & ClangASTType::eTypeIsScalar ||
type_flags & ClangASTType::eTypeIsPointer)
{
value.SetValueType(Value::eValueTypeScalar);
bool success = false;
if (type_flags & ClangASTType::eTypeIsInteger ||
type_flags & ClangASTType::eTypeIsPointer )
{
// Extract the register context so we can read arguments from registers
if (byte_size <= 8)
{
const RegisterInfo *x0_reg_info = reg_ctx->GetRegisterInfoByName("x0", 0);
if (x0_reg_info)
{
uint64_t raw_value = thread.GetRegisterContext()->ReadRegisterAsUnsigned(x0_reg_info, 0);
const bool is_signed = (type_flags & ClangASTType::eTypeIsSigned) != 0;
switch (byte_size)
{
default:
break;
case 16: // uint128_t
// In register x0 and x1
{
const RegisterInfo *x1_reg_info = reg_ctx->GetRegisterInfoByName("x1", 0);
if (x1_reg_info)
{
if (byte_size <= x0_reg_info->byte_size + x1_reg_info->byte_size)
{
std::unique_ptr<DataBufferHeap> heap_data_ap (new DataBufferHeap(byte_size, 0));
const ByteOrder byte_order = exe_ctx.GetProcessRef().GetByteOrder();
RegisterValue x0_reg_value;
RegisterValue x1_reg_value;
if (reg_ctx->ReadRegister(x0_reg_info, x0_reg_value) &&
reg_ctx->ReadRegister(x1_reg_info, x1_reg_value))
{
Error error;
if (x0_reg_value.GetAsMemoryData (x0_reg_info, heap_data_ap->GetBytes()+0, 8, byte_order, error) &&
x1_reg_value.GetAsMemoryData (x1_reg_info, heap_data_ap->GetBytes()+8, 8, byte_order, error))
{
DataExtractor data (DataBufferSP (heap_data_ap.release()),
byte_order,
exe_ctx.GetProcessRef().GetAddressByteSize());
return_valobj_sp = ValueObjectConstResult::Create (&thread,
return_clang_type,
ConstString(""),
data);
return return_valobj_sp;
}
}
}
}
}
break;
case sizeof(uint64_t):
if (is_signed)
value.GetScalar() = (int64_t)(raw_value);
else
value.GetScalar() = (uint64_t)(raw_value);
success = true;
break;
case sizeof(uint32_t):
if (is_signed)
value.GetScalar() = (int32_t)(raw_value & UINT32_MAX);
else
value.GetScalar() = (uint32_t)(raw_value & UINT32_MAX);
success = true;
break;
case sizeof(uint16_t):
if (is_signed)
value.GetScalar() = (int16_t)(raw_value & UINT16_MAX);
else
value.GetScalar() = (uint16_t)(raw_value & UINT16_MAX);
success = true;
break;
case sizeof(uint8_t):
if (is_signed)
value.GetScalar() = (int8_t)(raw_value & UINT8_MAX);
else
value.GetScalar() = (uint8_t)(raw_value & UINT8_MAX);
success = true;
break;
}
}
}
}
else if (type_flags & ClangASTType::eTypeIsFloat)
{
if (type_flags & ClangASTType::eTypeIsComplex)
{
// Don't handle complex yet.
}
else
{
if (byte_size <= sizeof(long double))
{
const RegisterInfo *v0_reg_info = reg_ctx->GetRegisterInfoByName("v0", 0);
RegisterValue v0_value;
if (reg_ctx->ReadRegister (v0_reg_info, v0_value))
{
DataExtractor data;
if (v0_value.GetData(data))
{
lldb::offset_t offset = 0;
if (byte_size == sizeof(float))
{
value.GetScalar() = data.GetFloat(&offset);
success = true;
}
else if (byte_size == sizeof(double))
{
value.GetScalar() = data.GetDouble(&offset);
success = true;
}
else if (byte_size == sizeof(long double))
{
value.GetScalar() = data.GetLongDouble(&offset);
success = true;
}
}
}
}
}
}
if (success)
return_valobj_sp = ValueObjectConstResult::Create (thread.GetStackFrameAtIndex(0).get(),
value,
ConstString(""));
}
else if (type_flags & ClangASTType::eTypeIsVector)
{
if (byte_size > 0)
{
const RegisterInfo *v0_info = reg_ctx->GetRegisterInfoByName("v0", 0);
if (v0_info)
{
if (byte_size <= v0_info->byte_size)
{
std::unique_ptr<DataBufferHeap> heap_data_ap (new DataBufferHeap(byte_size, 0));
const ByteOrder byte_order = exe_ctx.GetProcessRef().GetByteOrder();
RegisterValue reg_value;
if (reg_ctx->ReadRegister(v0_info, reg_value))
{
Error error;
if (reg_value.GetAsMemoryData (v0_info,
heap_data_ap->GetBytes(),
heap_data_ap->GetByteSize(),
byte_order,
error))
{
DataExtractor data (DataBufferSP (heap_data_ap.release()),
byte_order,
exe_ctx.GetProcessRef().GetAddressByteSize());
return_valobj_sp = ValueObjectConstResult::Create (&thread,
return_clang_type,
ConstString(""),
data);
}
}
}
}
}
}
else if (type_flags & ClangASTType::eTypeIsStructUnion ||
type_flags & ClangASTType::eTypeIsClass)
{
DataExtractor data;
uint32_t NGRN = 0; // Search ABI docs for NGRN
uint32_t NSRN = 0; // Search ABI docs for NSRN
const bool is_return_value = true;
if (LoadValueFromConsecutiveGPRRegisters (exe_ctx, reg_ctx, return_clang_type, is_return_value, NGRN, NSRN, data))
{
return_valobj_sp = ValueObjectConstResult::Create (&thread,
return_clang_type,
ConstString(""),
data);
}
}
return return_valobj_sp;
}
void
ABIMacOSX_arm64::Initialize()
{
PluginManager::RegisterPlugin (GetPluginNameStatic(),
pluginDesc,
CreateInstance);
}
void
ABIMacOSX_arm64::Terminate()
{
PluginManager::UnregisterPlugin (CreateInstance);
}
//------------------------------------------------------------------
// PluginInterface protocol
//------------------------------------------------------------------
ConstString
ABIMacOSX_arm64::GetPluginNameStatic()
{
static ConstString g_plugin_name("ABIMacOSX_arm64");
return g_plugin_name;
}
const char *
ABIMacOSX_arm64::GetShortPluginName()
{
return pluginShort;
}
uint32_t
ABIMacOSX_arm64::GetPluginVersion()
{
return 1;
}
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