ABIMacOSX_arm64.cpp revision 280031
1//===-- ABIMacOSX_arm64.cpp -------------------------------------*- C++ -*-===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9 10#include "ABIMacOSX_arm64.h" 11 12#include "lldb/Core/ConstString.h" 13#include "lldb/Core/Error.h" 14#include "lldb/Core/Log.h" 15#include "lldb/Core/Module.h" 16#include "lldb/Core/PluginManager.h" 17#include "lldb/Core/RegisterValue.h" 18#include "lldb/Core/Scalar.h" 19#include "lldb/Core/Value.h" 20#include "lldb/Core/Value.h" 21#include "lldb/Core/ValueObjectConstResult.h" 22#include "lldb/Symbol/ClangASTContext.h" 23#include "lldb/Symbol/UnwindPlan.h" 24#include "lldb/Target/Process.h" 25#include "lldb/Target/RegisterContext.h" 26#include "lldb/Target/Target.h" 27#include "lldb/Target/Thread.h" 28 29#include "llvm/ADT/STLExtras.h" 30#include "llvm/ADT/Triple.h" 31 32#include "Utility/ARM64_DWARF_Registers.h" 33 34#include <vector> 35 36using namespace lldb; 37using namespace lldb_private; 38 39static const char *pluginDesc = "Mac OS X ABI for arm64 targets"; 40static const char *pluginShort = "abi.macosx-arm64"; 41 42 43static RegisterInfo g_register_infos[] = 44{ 45 // NAME ALT SZ OFF ENCODING FORMAT COMPILER DWARF GENERIC GDB LLDB NATIVE 46 // ========== ======= == === ============= =================== =================== ====================== =========================== ======================= ====================== 47 { "x0", NULL, 8, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::x0, LLDB_REGNUM_GENERIC_ARG1, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 48 { "x1", NULL, 8, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::x1, LLDB_REGNUM_GENERIC_ARG2, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 49 { "x2", NULL, 8, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::x2, LLDB_REGNUM_GENERIC_ARG3, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 50 { "x3", NULL, 8, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::x3, LLDB_REGNUM_GENERIC_ARG4, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 51 { "x4", NULL, 8, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::x4, LLDB_REGNUM_GENERIC_ARG5, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 52 { "x5", NULL, 8, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::x5, LLDB_REGNUM_GENERIC_ARG6, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 53 { "x6", NULL, 8, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::x6, LLDB_REGNUM_GENERIC_ARG7, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 54 { "x7", NULL, 8, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::x7, LLDB_REGNUM_GENERIC_ARG8, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 55 { "x8", NULL, 8, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::x8, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 56 { "x9", NULL, 8, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::x9, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 57 { "x10", NULL, 8, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::x10, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 58 { "x11", NULL, 8, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::x11, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 59 { "x12", NULL, 8, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::x12, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 60 { "x13", NULL, 8, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::x13, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 61 { "x14", NULL, 8, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::x14, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 62 { "x15", NULL, 8, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::x15, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 63 { "x16", NULL, 8, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::x16, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 64 { "x17", NULL, 8, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::x17, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 65 { "x18", NULL, 8, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::x18, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 66 { "x19", NULL, 8, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::x19, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 67 { "x20", NULL, 8, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::x20, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 68 { "x21", NULL, 8, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::x21, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 69 { "x22", NULL, 8, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::x22, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 70 { "x23", NULL, 8, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::x23, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 71 { "x24", NULL, 8, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::x24, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 72 { "x25", NULL, 8, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::x25, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 73 { "x26", NULL, 8, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::x26, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 74 { "x27", NULL, 8, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::x27, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 75 { "x28", NULL, 8, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::x28, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 76 { "fp", "x29", 8, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::x29, LLDB_REGNUM_GENERIC_FP, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 77 { "lr", "x30", 8, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::x30, LLDB_REGNUM_GENERIC_RA, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 78 { "sp", "x31", 8, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::x31, LLDB_REGNUM_GENERIC_SP, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 79 { "pc", NULL, 8, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::pc, LLDB_REGNUM_GENERIC_PC, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 80 { "cpsr", "psr", 4, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, arm64_dwarf::cpsr, LLDB_REGNUM_GENERIC_FLAGS, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 81 82 { "v0", NULL, 16, 0, eEncodingVector , eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, arm64_dwarf::v0, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 83 { "v1", NULL, 16, 0, eEncodingVector , eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, arm64_dwarf::v1, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 84 { "v2", NULL, 16, 0, eEncodingVector , eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, arm64_dwarf::v2, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 85 { "v3", NULL, 16, 0, eEncodingVector , eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, arm64_dwarf::v3, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 86 { "v4", NULL, 16, 0, eEncodingVector , eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, arm64_dwarf::v4, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 87 { "v5", NULL, 16, 0, eEncodingVector , eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, arm64_dwarf::v5, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 88 { "v6", NULL, 16, 0, eEncodingVector , eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, arm64_dwarf::v6, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 89 { "v7", NULL, 16, 0, eEncodingVector , eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, arm64_dwarf::v7, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 90 { "v8", NULL, 16, 0, eEncodingVector , eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, arm64_dwarf::v8, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 91 { "v9", NULL, 16, 0, eEncodingVector , eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, arm64_dwarf::v9, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 92 { "v10", NULL, 16, 0, eEncodingVector , eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, arm64_dwarf::v10, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 93 { "v11", NULL, 16, 0, eEncodingVector , eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, arm64_dwarf::v11, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 94 { "v12", NULL, 16, 0, eEncodingVector , eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, arm64_dwarf::v12, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 95 { "v13", NULL, 16, 0, eEncodingVector , eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, arm64_dwarf::v13, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 96 { "v14", NULL, 16, 0, eEncodingVector , eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, arm64_dwarf::v14, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 97 { "v15", NULL, 16, 0, eEncodingVector , eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, arm64_dwarf::v15, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 98 { "v16", NULL, 16, 0, eEncodingVector , eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, arm64_dwarf::v16, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 99 { "v17", NULL, 16, 0, eEncodingVector , eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, arm64_dwarf::v17, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 100 { "v18", NULL, 16, 0, eEncodingVector , eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, arm64_dwarf::v18, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 101 { "v19", NULL, 16, 0, eEncodingVector , eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, arm64_dwarf::v19, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 102 { "v20", NULL, 16, 0, eEncodingVector , eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, arm64_dwarf::v20, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 103 { "v21", NULL, 16, 0, eEncodingVector , eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, arm64_dwarf::v21, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 104 { "v22", NULL, 16, 0, eEncodingVector , eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, arm64_dwarf::v22, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 105 { "v23", NULL, 16, 0, eEncodingVector , eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, arm64_dwarf::v23, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 106 { "v24", NULL, 16, 0, eEncodingVector , eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, arm64_dwarf::v24, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 107 { "v25", NULL, 16, 0, eEncodingVector , eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, arm64_dwarf::v25, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 108 { "v26", NULL, 16, 0, eEncodingVector , eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, arm64_dwarf::v26, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 109 { "v27", NULL, 16, 0, eEncodingVector , eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, arm64_dwarf::v27, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 110 { "v28", NULL, 16, 0, eEncodingVector , eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, arm64_dwarf::v28, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 111 { "v29", NULL, 16, 0, eEncodingVector , eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, arm64_dwarf::v29, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 112 { "v30", NULL, 16, 0, eEncodingVector , eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, arm64_dwarf::v30, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 113 { "v31", NULL, 16, 0, eEncodingVector , eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, arm64_dwarf::v31, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 114 115 { "fpsr", NULL, 4, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 116 { "fpcr", NULL, 4, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 117 118 { "s0", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 119 { "s1", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 120 { "s2", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 121 { "s3", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 122 { "s4", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 123 { "s5", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 124 { "s6", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 125 { "s7", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 126 { "s8", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 127 { "s9", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 128 { "s10", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 129 { "s11", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 130 { "s12", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 131 { "s13", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 132 { "s14", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 133 { "s15", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 134 { "s16", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 135 { "s17", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 136 { "s18", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 137 { "s19", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 138 { "s20", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 139 { "s21", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 140 { "s22", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 141 { "s23", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 142 { "s24", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 143 { "s25", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 144 { "s26", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 145 { "s27", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 146 { "s28", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 147 { "s29", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 148 { "s30", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 149 { "s31", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 150 151 { "d0", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 152 { "d1", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 153 { "d2", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 154 { "d3", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 155 { "d4", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 156 { "d5", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 157 { "d6", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 158 { "d7", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 159 { "d8", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 160 { "d9", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 161 { "d10", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 162 { "d11", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 163 { "d12", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 164 { "d13", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 165 { "d14", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 166 { "d15", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 167 { "d16", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 168 { "d17", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 169 { "d18", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 170 { "d19", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 171 { "d20", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 172 { "d21", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 173 { "d22", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 174 { "d23", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 175 { "d24", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 176 { "d25", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 177 { "d26", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 178 { "d27", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 179 { "d28", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 180 { "d29", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 181 { "d30", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }, 182 { "d31", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL } 183}; 184 185static const uint32_t k_num_register_infos = llvm::array_lengthof(g_register_infos); 186static bool g_register_info_names_constified = false; 187 188const lldb_private::RegisterInfo * 189ABIMacOSX_arm64::GetRegisterInfoArray (uint32_t &count) 190{ 191 // Make the C-string names and alt_names for the register infos into const 192 // C-string values by having the ConstString unique the names in the global 193 // constant C-string pool. 194 if (!g_register_info_names_constified) 195 { 196 g_register_info_names_constified = true; 197 for (uint32_t i=0; i<k_num_register_infos; ++i) 198 { 199 if (g_register_infos[i].name) 200 g_register_infos[i].name = ConstString(g_register_infos[i].name).GetCString(); 201 if (g_register_infos[i].alt_name) 202 g_register_infos[i].alt_name = ConstString(g_register_infos[i].alt_name).GetCString(); 203 } 204 } 205 count = k_num_register_infos; 206 return g_register_infos; 207} 208 209size_t 210ABIMacOSX_arm64::GetRedZoneSize () const 211{ 212 return 128; 213} 214 215//------------------------------------------------------------------ 216// Static Functions 217//------------------------------------------------------------------ 218ABISP 219ABIMacOSX_arm64::CreateInstance (const ArchSpec &arch) 220{ 221 static ABISP g_abi_sp; 222 if (arch.GetTriple().getArch() == llvm::Triple::aarch64) 223 { 224 if (!g_abi_sp) 225 g_abi_sp.reset (new ABIMacOSX_arm64); 226 return g_abi_sp; 227 } 228 return ABISP(); 229} 230 231bool 232ABIMacOSX_arm64::PrepareTrivialCall (Thread &thread, 233 lldb::addr_t sp, 234 lldb::addr_t func_addr, 235 lldb::addr_t return_addr, 236 llvm::ArrayRef<lldb::addr_t> args) const 237{ 238 RegisterContext *reg_ctx = thread.GetRegisterContext().get(); 239 if (!reg_ctx) 240 return false; 241 242 Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS)); 243 244 if (log) 245 { 246 StreamString s; 247 s.Printf("ABISysV_x86_64::PrepareTrivialCall (tid = 0x%" PRIx64 ", sp = 0x%" PRIx64 ", func_addr = 0x%" PRIx64 ", return_addr = 0x%" PRIx64, 248 thread.GetID(), 249 (uint64_t)sp, 250 (uint64_t)func_addr, 251 (uint64_t)return_addr); 252 253 for (size_t i = 0; i < args.size(); ++i) 254 s.Printf (", arg%d = 0x%" PRIx64, static_cast<int>(i + 1), args[i]); 255 s.PutCString (")"); 256 log->PutCString(s.GetString().c_str()); 257 } 258 259 const uint32_t pc_reg_num = reg_ctx->ConvertRegisterKindToRegisterNumber (eRegisterKindGeneric, LLDB_REGNUM_GENERIC_PC); 260 const uint32_t sp_reg_num = reg_ctx->ConvertRegisterKindToRegisterNumber (eRegisterKindGeneric, LLDB_REGNUM_GENERIC_SP); 261 const uint32_t ra_reg_num = reg_ctx->ConvertRegisterKindToRegisterNumber (eRegisterKindGeneric, LLDB_REGNUM_GENERIC_RA); 262 263 // x0 - x7 contain first 8 simple args 264 if (args.size() > 8) // TODO handle more than 6 arguments 265 return false; 266 267 for (size_t i = 0; i < args.size(); ++i) 268 { 269 const RegisterInfo *reg_info = reg_ctx->GetRegisterInfo(eRegisterKindGeneric, LLDB_REGNUM_GENERIC_ARG1 + i); 270 if (log) 271 log->Printf("About to write arg%d (0x%" PRIx64 ") into %s", 272 static_cast<int>(i + 1), args[i], reg_info->name); 273 if (!reg_ctx->WriteRegisterFromUnsigned(reg_info, args[i])) 274 return false; 275 } 276 277 // Set "lr" to the return address 278 if (!reg_ctx->WriteRegisterFromUnsigned (reg_ctx->GetRegisterInfoAtIndex (ra_reg_num), return_addr)) 279 return false; 280 281 // Set "sp" to the requested value 282 if (!reg_ctx->WriteRegisterFromUnsigned (reg_ctx->GetRegisterInfoAtIndex (sp_reg_num), sp)) 283 return false; 284 285 // Set "pc" to the address requested 286 if (!reg_ctx->WriteRegisterFromUnsigned (reg_ctx->GetRegisterInfoAtIndex (pc_reg_num), func_addr)) 287 return false; 288 289 return true; 290} 291 292 293bool 294ABIMacOSX_arm64::GetArgumentValues (Thread &thread, ValueList &values) const 295{ 296 uint32_t num_values = values.GetSize(); 297 298 ExecutionContext exe_ctx (thread.shared_from_this()); 299 300 // Extract the register context so we can read arguments from registers 301 302 RegisterContext *reg_ctx = thread.GetRegisterContext().get(); 303 304 if (!reg_ctx) 305 return false; 306 307 addr_t sp = 0; 308 309 for (uint32_t value_idx = 0; value_idx < num_values; ++value_idx) 310 { 311 // We currently only support extracting values with Clang QualTypes. 312 // Do we care about others? 313 Value *value = values.GetValueAtIndex(value_idx); 314 315 if (!value) 316 return false; 317 318 ClangASTType value_type = value->GetClangType(); 319 if (value_type) 320 { 321 bool is_signed = false; 322 size_t bit_width = 0; 323 if (value_type.IsIntegerType (is_signed)) 324 { 325 bit_width = value_type.GetBitSize(); 326 } 327 else if (value_type.IsPointerOrReferenceType ()) 328 { 329 bit_width = value_type.GetBitSize(); 330 } 331 else 332 { 333 // We only handle integer, pointer and reference types currently... 334 return false; 335 } 336 337 if (bit_width <= (exe_ctx.GetProcessRef().GetAddressByteSize() * 8)) 338 { 339 if (value_idx < 8) 340 { 341 // Arguments 1-6 are in x0-x5... 342 const RegisterInfo *reg_info = NULL; 343 // Search by generic ID first, then fall back to by name 344 uint32_t arg_reg_num = reg_ctx->ConvertRegisterKindToRegisterNumber (eRegisterKindGeneric, LLDB_REGNUM_GENERIC_ARG1 + value_idx); 345 if (arg_reg_num != LLDB_INVALID_REGNUM) 346 { 347 reg_info = reg_ctx->GetRegisterInfoAtIndex(arg_reg_num); 348 } 349 else 350 { 351 switch (value_idx) 352 { 353 case 0: reg_info = reg_ctx->GetRegisterInfoByName("x0"); break; 354 case 1: reg_info = reg_ctx->GetRegisterInfoByName("x1"); break; 355 case 2: reg_info = reg_ctx->GetRegisterInfoByName("x2"); break; 356 case 3: reg_info = reg_ctx->GetRegisterInfoByName("x3"); break; 357 case 4: reg_info = reg_ctx->GetRegisterInfoByName("x4"); break; 358 case 5: reg_info = reg_ctx->GetRegisterInfoByName("x5"); break; 359 case 6: reg_info = reg_ctx->GetRegisterInfoByName("x6"); break; 360 case 7: reg_info = reg_ctx->GetRegisterInfoByName("x7"); break; 361 } 362 } 363 364 if (reg_info) 365 { 366 RegisterValue reg_value; 367 368 if (reg_ctx->ReadRegister(reg_info, reg_value)) 369 { 370 if (is_signed) 371 reg_value.SignExtend(bit_width); 372 if (!reg_value.GetScalarValue(value->GetScalar())) 373 return false; 374 continue; 375 } 376 } 377 return false; 378 } 379 else 380 { 381 if (sp == 0) 382 { 383 // Read the stack pointer if we already haven't read it 384 sp = reg_ctx->GetSP(0); 385 if (sp == 0) 386 return false; 387 } 388 389 // Arguments 5 on up are on the stack 390 const uint32_t arg_byte_size = (bit_width + (8-1)) / 8; 391 Error error; 392 if (!exe_ctx.GetProcessRef().ReadScalarIntegerFromMemory(sp, arg_byte_size, is_signed, value->GetScalar(), error)) 393 return false; 394 395 sp += arg_byte_size; 396 // Align up to the next 8 byte boundary if needed 397 if (sp % 8) 398 { 399 sp >>= 3; 400 sp += 1; 401 sp <<= 3; 402 } 403 } 404 } 405 } 406 } 407 return true; 408} 409 410Error 411ABIMacOSX_arm64::SetReturnValueObject(lldb::StackFrameSP &frame_sp, lldb::ValueObjectSP &new_value_sp) 412{ 413 Error error; 414 if (!new_value_sp) 415 { 416 error.SetErrorString("Empty value object for return value."); 417 return error; 418 } 419 420 ClangASTType return_value_type = new_value_sp->GetClangType(); 421 if (!return_value_type) 422 { 423 error.SetErrorString ("Null clang type for return value."); 424 return error; 425 } 426 427 Thread *thread = frame_sp->GetThread().get(); 428 429 RegisterContext *reg_ctx = thread->GetRegisterContext().get(); 430 431 if (reg_ctx) 432 { 433 DataExtractor data; 434 Error data_error; 435 const uint64_t byte_size = new_value_sp->GetData(data, data_error); 436 if (data_error.Fail()) 437 { 438 error.SetErrorStringWithFormat("Couldn't convert return value to raw data: %s", data_error.AsCString()); 439 return error; 440 } 441 442 const uint32_t type_flags = return_value_type.GetTypeInfo (NULL); 443 if (type_flags & eTypeIsScalar || 444 type_flags & eTypeIsPointer) 445 { 446 if (type_flags & eTypeIsInteger || 447 type_flags & eTypeIsPointer ) 448 { 449 // Extract the register context so we can read arguments from registers 450 lldb::offset_t offset = 0; 451 if (byte_size <= 16) 452 { 453 const RegisterInfo *x0_info = reg_ctx->GetRegisterInfoByName("x0", 0); 454 if (byte_size <= 8) 455 { 456 uint64_t raw_value = data.GetMaxU64(&offset, byte_size); 457 458 if (!reg_ctx->WriteRegisterFromUnsigned (x0_info, raw_value)) 459 error.SetErrorString ("failed to write register x0"); 460 } 461 else 462 { 463 uint64_t raw_value = data.GetMaxU64(&offset, 8); 464 465 if (reg_ctx->WriteRegisterFromUnsigned (x0_info, raw_value)) 466 { 467 const RegisterInfo *x1_info = reg_ctx->GetRegisterInfoByName("x1", 0); 468 raw_value = data.GetMaxU64(&offset, byte_size - offset); 469 470 if (!reg_ctx->WriteRegisterFromUnsigned (x1_info, raw_value)) 471 error.SetErrorString ("failed to write register x1"); 472 } 473 } 474 } 475 else 476 { 477 error.SetErrorString("We don't support returning longer than 128 bit integer values at present."); 478 } 479 } 480 else if (type_flags & eTypeIsFloat) 481 { 482 if (type_flags & eTypeIsComplex) 483 { 484 // Don't handle complex yet. 485 error.SetErrorString ("returning complex float values are not supported"); 486 } 487 else 488 { 489 const RegisterInfo *v0_info = reg_ctx->GetRegisterInfoByName("v0", 0); 490 491 if (v0_info) 492 { 493 if (byte_size <= 16) 494 { 495 if (byte_size <= RegisterValue::GetMaxByteSize()) 496 { 497 RegisterValue reg_value; 498 error = reg_value.SetValueFromData (v0_info, data, 0, true); 499 if (error.Success()) 500 { 501 if (!reg_ctx->WriteRegister (v0_info, reg_value)) 502 error.SetErrorString ("failed to write register v0"); 503 } 504 } 505 else 506 { 507 error.SetErrorStringWithFormat ("returning float values with a byte size of %" PRIu64 " are not supported", byte_size); 508 } 509 } 510 else 511 { 512 error.SetErrorString("returning float values longer than 128 bits are not supported"); 513 } 514 } 515 else 516 { 517 error.SetErrorString("v0 register is not available on this target"); 518 } 519 } 520 } 521 } 522 else if (type_flags & eTypeIsVector) 523 { 524 if (byte_size > 0) 525 { 526 const RegisterInfo *v0_info = reg_ctx->GetRegisterInfoByName("v0", 0); 527 528 if (v0_info) 529 { 530 if (byte_size <= v0_info->byte_size) 531 { 532 RegisterValue reg_value; 533 error = reg_value.SetValueFromData (v0_info, data, 0, true); 534 if (error.Success()) 535 { 536 if (!reg_ctx->WriteRegister (v0_info, reg_value)) 537 error.SetErrorString ("failed to write register v0"); 538 } 539 } 540 } 541 } 542 } 543 } 544 else 545 { 546 error.SetErrorString("no registers are available"); 547 } 548 549 return error; 550} 551 552bool 553ABIMacOSX_arm64::CreateFunctionEntryUnwindPlan (UnwindPlan &unwind_plan) 554{ 555 unwind_plan.Clear(); 556 unwind_plan.SetRegisterKind (eRegisterKindDWARF); 557 558 uint32_t lr_reg_num = arm64_dwarf::lr; 559 uint32_t sp_reg_num = arm64_dwarf::sp; 560 uint32_t pc_reg_num = arm64_dwarf::pc; 561 562 UnwindPlan::RowSP row(new UnwindPlan::Row); 563 564 // Our previous Call Frame Address is the stack pointer 565 row->SetCFARegister (sp_reg_num); 566 567 // Our previous PC is in the LR 568 row->SetRegisterLocationToRegister(pc_reg_num, lr_reg_num, true); 569 570 unwind_plan.AppendRow (row); 571 572 // All other registers are the same. 573 574 unwind_plan.SetSourceName ("arm64 at-func-entry default"); 575 unwind_plan.SetSourcedFromCompiler (eLazyBoolNo); 576 577 return true; 578} 579 580bool 581ABIMacOSX_arm64::CreateDefaultUnwindPlan (UnwindPlan &unwind_plan) 582{ 583 unwind_plan.Clear(); 584 unwind_plan.SetRegisterKind (eRegisterKindDWARF); 585 586 uint32_t fp_reg_num = arm64_dwarf::fp; 587 uint32_t pc_reg_num = arm64_dwarf::pc; 588 589 UnwindPlan::RowSP row(new UnwindPlan::Row); 590 const int32_t ptr_size = 8; 591 592 row->SetCFARegister (fp_reg_num); 593 row->SetCFAOffset (2 * ptr_size); 594 row->SetOffset (0); 595 596 row->SetRegisterLocationToAtCFAPlusOffset(fp_reg_num, ptr_size * -2, true); 597 row->SetRegisterLocationToAtCFAPlusOffset(pc_reg_num, ptr_size * -1, true); 598 599 unwind_plan.AppendRow (row); 600 unwind_plan.SetSourceName ("arm64-apple-darwin default unwind plan"); 601 unwind_plan.SetSourcedFromCompiler (eLazyBoolNo); 602 unwind_plan.SetUnwindPlanValidAtAllInstructions (eLazyBoolNo); 603 return true; 604} 605 606// AAPCS64 (Procedure Call Standard for the ARM 64-bit Architecture) says 607// registers x19 through x28 and sp are callee preserved. 608// v8-v15 are non-volatile (and specifically only the lower 8 bytes of these regs), 609// the rest of the fp/SIMD registers are volatile. 610 611// We treat x29 as callee preserved also, else the unwinder won't try to 612// retrieve fp saves. 613 614bool 615ABIMacOSX_arm64::RegisterIsVolatile (const RegisterInfo *reg_info) 616{ 617 if (reg_info) 618 { 619 const char *name = reg_info->name; 620 621 // Sometimes we'll be called with the "alternate" name for these registers; 622 // recognize them as non-volatile. 623 624 if (name[0] == 'p' && name[1] == 'c') // pc 625 return false; 626 if (name[0] == 'f' && name[1] == 'p') // fp 627 return false; 628 if (name[0] == 's' && name[1] == 'p') // sp 629 return false; 630 if (name[0] == 'l' && name[1] == 'r') // lr 631 return false; 632 633 if (name[0] == 'x') 634 { 635 // Volatile registers: x0-x18, x30 (lr) 636 // Return false for the non-volatile gpr regs, true for everything else 637 switch (name[1]) 638 { 639 case '1': 640 switch (name[2]) 641 { 642 case '9': 643 return false; // x19 is non-volatile 644 default: 645 return true; 646 } 647 break; 648 case '2': 649 switch (name[2]) 650 { 651 case '0': 652 case '1': 653 case '2': 654 case '3': 655 case '4': 656 case '5': 657 case '6': 658 case '7': 659 case '8': 660 return false; // x20 - 28 are non-volatile 661 case '9': 662 return false; // x29 aka fp treat as non-volatile on Darwin 663 default: 664 return true; 665 } 666 case '3': // x30 aka lr treat as non-volatile 667 if (name[2] == '0') 668 return false; 669 default: 670 return true; 671 } 672 } 673 else if (name[0] == 'v' || name[0] == 's' || name[0] == 'd') 674 { 675 // Volatile registers: v0-7, v16-v31 676 // Return false for non-volatile fp/SIMD regs, true for everything else 677 switch (name[1]) 678 { 679 case '8': 680 case '9': 681 return false; // v8-v9 are non-volatile 682 case '1': 683 switch (name[2]) 684 { 685 case '0': 686 case '1': 687 case '2': 688 case '3': 689 case '4': 690 case '5': 691 return false; // v10-v15 are non-volatile 692 default: 693 return true; 694 } 695 default: 696 return true; 697 } 698 } 699 } 700 return true; 701} 702 703static bool 704LoadValueFromConsecutiveGPRRegisters (ExecutionContext &exe_ctx, 705 RegisterContext *reg_ctx, 706 const ClangASTType &value_type, 707 bool is_return_value, // false => parameter, true => return value 708 uint32_t &NGRN, // NGRN (see ABI documentation) 709 uint32_t &NSRN, // NSRN (see ABI documentation) 710 DataExtractor &data) 711{ 712 const size_t byte_size = value_type.GetByteSize(); 713 714 if (byte_size == 0) 715 return false; 716 717 std::unique_ptr<DataBufferHeap> heap_data_ap (new DataBufferHeap(byte_size, 0)); 718 const ByteOrder byte_order = exe_ctx.GetProcessRef().GetByteOrder(); 719 Error error; 720 721 ClangASTType base_type; 722 const uint32_t homogeneous_count = value_type.IsHomogeneousAggregate (&base_type); 723 if (homogeneous_count > 0 && homogeneous_count <= 8) 724 { 725 printf ("ClangASTContext::IsHomogeneousAggregate() => %u\n", homogeneous_count); 726 // Make sure we have enough registers 727 if (NSRN < 8 && (8-NSRN) >= homogeneous_count) 728 { 729 if (!base_type) 730 return false; 731 const size_t base_byte_size = base_type.GetByteSize(); 732 printf ("ClangASTContext::IsHomogeneousAggregate() => base_byte_size = %" PRIu64 "\n", (uint64_t) base_byte_size); 733 uint32_t data_offset = 0; 734 735 for (uint32_t i=0; i<homogeneous_count; ++i) 736 { 737 char v_name[8]; 738 ::snprintf (v_name, sizeof(v_name), "v%u", NSRN); 739 const RegisterInfo *reg_info = reg_ctx->GetRegisterInfoByName(v_name, 0); 740 if (reg_info == NULL) 741 return false; 742 743 if (base_byte_size > reg_info->byte_size) 744 return false; 745 746 RegisterValue reg_value; 747 748 if (!reg_ctx->ReadRegister(reg_info, reg_value)) 749 return false; 750 751 // Make sure we have enough room in "heap_data_ap" 752 if ((data_offset + base_byte_size) <= heap_data_ap->GetByteSize()) 753 { 754 const size_t bytes_copied = reg_value.GetAsMemoryData (reg_info, 755 heap_data_ap->GetBytes()+data_offset, 756 base_byte_size, 757 byte_order, 758 error); 759 if (bytes_copied != base_byte_size) 760 return false; 761 data_offset += bytes_copied; 762 ++NSRN; 763 } 764 else 765 return false; 766 } 767 data.SetByteOrder(byte_order); 768 data.SetAddressByteSize(exe_ctx.GetProcessRef().GetAddressByteSize()); 769 data.SetData(DataBufferSP (heap_data_ap.release())); 770 return true; 771 } 772 } 773 774 const size_t max_reg_byte_size = 16; 775 if (byte_size <= max_reg_byte_size) 776 { 777 size_t bytes_left = byte_size; 778 uint32_t data_offset = 0; 779 while (data_offset < byte_size) 780 { 781 if (NGRN >= 8) 782 return false; 783 784 uint32_t reg_num = reg_ctx->ConvertRegisterKindToRegisterNumber (eRegisterKindGeneric, LLDB_REGNUM_GENERIC_ARG1 + NGRN); 785 if (reg_num == LLDB_INVALID_REGNUM) 786 return false; 787 788 const RegisterInfo *reg_info = reg_ctx->GetRegisterInfoAtIndex(reg_num); 789 if (reg_info == NULL) 790 return false; 791 792 RegisterValue reg_value; 793 794 if (!reg_ctx->ReadRegister(reg_info, reg_value)) 795 return false; 796 797 const size_t curr_byte_size = std::min<size_t>(8,bytes_left); 798 const size_t bytes_copied = reg_value.GetAsMemoryData (reg_info, heap_data_ap->GetBytes()+data_offset, curr_byte_size, byte_order, error); 799 if (bytes_copied == 0) 800 return false; 801 if (bytes_copied >= bytes_left) 802 break; 803 data_offset += bytes_copied; 804 bytes_left -= bytes_copied; 805 ++NGRN; 806 } 807 } 808 else 809 { 810 const RegisterInfo *reg_info = NULL; 811 if (is_return_value) 812 { 813 // We are assuming we are decoding this immediately after returning 814 // from a function call and that the address of the structure is in x8 815 reg_info = reg_ctx->GetRegisterInfoByName("x8", 0); 816 } 817 else 818 { 819 // We are assuming we are stopped at the first instruction in a function 820 // and that the ABI is being respected so all parameters appear where they 821 // should be (functions with no external linkage can legally violate the ABI). 822 if (NGRN >= 8) 823 return false; 824 825 uint32_t reg_num = reg_ctx->ConvertRegisterKindToRegisterNumber (eRegisterKindGeneric, LLDB_REGNUM_GENERIC_ARG1 + NGRN); 826 if (reg_num == LLDB_INVALID_REGNUM) 827 return false; 828 reg_info = reg_ctx->GetRegisterInfoAtIndex(reg_num); 829 if (reg_info == NULL) 830 return false; 831 ++NGRN; 832 } 833 834 if (reg_info == NULL) 835 return false; 836 837 const lldb::addr_t value_addr = reg_ctx->ReadRegisterAsUnsigned(reg_info, LLDB_INVALID_ADDRESS); 838 839 if (value_addr == LLDB_INVALID_ADDRESS) 840 return false; 841 842 if (exe_ctx.GetProcessRef().ReadMemory (value_addr, 843 heap_data_ap->GetBytes(), 844 heap_data_ap->GetByteSize(), 845 error) != heap_data_ap->GetByteSize()) 846 { 847 return false; 848 } 849 } 850 851 data.SetByteOrder(byte_order); 852 data.SetAddressByteSize(exe_ctx.GetProcessRef().GetAddressByteSize()); 853 data.SetData(DataBufferSP (heap_data_ap.release())); 854 return true; 855} 856 857ValueObjectSP 858ABIMacOSX_arm64::GetReturnValueObjectImpl (Thread &thread, ClangASTType &return_clang_type) const 859{ 860 ValueObjectSP return_valobj_sp; 861 Value value; 862 863 ExecutionContext exe_ctx (thread.shared_from_this()); 864 if (exe_ctx.GetTargetPtr() == NULL || exe_ctx.GetProcessPtr() == NULL) 865 return return_valobj_sp; 866 867 //value.SetContext (Value::eContextTypeClangType, return_clang_type); 868 value.SetClangType(return_clang_type); 869 870 RegisterContext *reg_ctx = thread.GetRegisterContext().get(); 871 if (!reg_ctx) 872 return return_valobj_sp; 873 874 const size_t byte_size = return_clang_type.GetByteSize(); 875 876 const uint32_t type_flags = return_clang_type.GetTypeInfo (NULL); 877 if (type_flags & eTypeIsScalar || 878 type_flags & eTypeIsPointer) 879 { 880 value.SetValueType(Value::eValueTypeScalar); 881 882 bool success = false; 883 if (type_flags & eTypeIsInteger || 884 type_flags & eTypeIsPointer ) 885 { 886 // Extract the register context so we can read arguments from registers 887 if (byte_size <= 8) 888 { 889 const RegisterInfo *x0_reg_info = reg_ctx->GetRegisterInfoByName("x0", 0); 890 if (x0_reg_info) 891 { 892 uint64_t raw_value = thread.GetRegisterContext()->ReadRegisterAsUnsigned(x0_reg_info, 0); 893 const bool is_signed = (type_flags & eTypeIsSigned) != 0; 894 switch (byte_size) 895 { 896 default: 897 break; 898 case 16: // uint128_t 899 // In register x0 and x1 900 { 901 const RegisterInfo *x1_reg_info = reg_ctx->GetRegisterInfoByName("x1", 0); 902 903 if (x1_reg_info) 904 { 905 if (byte_size <= x0_reg_info->byte_size + x1_reg_info->byte_size) 906 { 907 std::unique_ptr<DataBufferHeap> heap_data_ap (new DataBufferHeap(byte_size, 0)); 908 const ByteOrder byte_order = exe_ctx.GetProcessRef().GetByteOrder(); 909 RegisterValue x0_reg_value; 910 RegisterValue x1_reg_value; 911 if (reg_ctx->ReadRegister(x0_reg_info, x0_reg_value) && 912 reg_ctx->ReadRegister(x1_reg_info, x1_reg_value)) 913 { 914 Error error; 915 if (x0_reg_value.GetAsMemoryData (x0_reg_info, heap_data_ap->GetBytes()+0, 8, byte_order, error) && 916 x1_reg_value.GetAsMemoryData (x1_reg_info, heap_data_ap->GetBytes()+8, 8, byte_order, error)) 917 { 918 DataExtractor data (DataBufferSP (heap_data_ap.release()), 919 byte_order, 920 exe_ctx.GetProcessRef().GetAddressByteSize()); 921 922 return_valobj_sp = ValueObjectConstResult::Create (&thread, 923 return_clang_type, 924 ConstString(""), 925 data); 926 return return_valobj_sp; 927 } 928 } 929 } 930 } 931 } 932 break; 933 case sizeof(uint64_t): 934 if (is_signed) 935 value.GetScalar() = (int64_t)(raw_value); 936 else 937 value.GetScalar() = (uint64_t)(raw_value); 938 success = true; 939 break; 940 941 case sizeof(uint32_t): 942 if (is_signed) 943 value.GetScalar() = (int32_t)(raw_value & UINT32_MAX); 944 else 945 value.GetScalar() = (uint32_t)(raw_value & UINT32_MAX); 946 success = true; 947 break; 948 949 case sizeof(uint16_t): 950 if (is_signed) 951 value.GetScalar() = (int16_t)(raw_value & UINT16_MAX); 952 else 953 value.GetScalar() = (uint16_t)(raw_value & UINT16_MAX); 954 success = true; 955 break; 956 957 case sizeof(uint8_t): 958 if (is_signed) 959 value.GetScalar() = (int8_t)(raw_value & UINT8_MAX); 960 else 961 value.GetScalar() = (uint8_t)(raw_value & UINT8_MAX); 962 success = true; 963 break; 964 } 965 } 966 } 967 } 968 else if (type_flags & eTypeIsFloat) 969 { 970 if (type_flags & eTypeIsComplex) 971 { 972 // Don't handle complex yet. 973 } 974 else 975 { 976 if (byte_size <= sizeof(long double)) 977 { 978 const RegisterInfo *v0_reg_info = reg_ctx->GetRegisterInfoByName("v0", 0); 979 RegisterValue v0_value; 980 if (reg_ctx->ReadRegister (v0_reg_info, v0_value)) 981 { 982 DataExtractor data; 983 if (v0_value.GetData(data)) 984 { 985 lldb::offset_t offset = 0; 986 if (byte_size == sizeof(float)) 987 { 988 value.GetScalar() = data.GetFloat(&offset); 989 success = true; 990 } 991 else if (byte_size == sizeof(double)) 992 { 993 value.GetScalar() = data.GetDouble(&offset); 994 success = true; 995 } 996 else if (byte_size == sizeof(long double)) 997 { 998 value.GetScalar() = data.GetLongDouble(&offset); 999 success = true; 1000 } 1001 } 1002 } 1003 } 1004 } 1005 } 1006 1007 if (success) 1008 return_valobj_sp = ValueObjectConstResult::Create (thread.GetStackFrameAtIndex(0).get(), 1009 value, 1010 ConstString("")); 1011 1012 } 1013 else if (type_flags & eTypeIsVector) 1014 { 1015 if (byte_size > 0) 1016 { 1017 1018 const RegisterInfo *v0_info = reg_ctx->GetRegisterInfoByName("v0", 0); 1019 1020 if (v0_info) 1021 { 1022 if (byte_size <= v0_info->byte_size) 1023 { 1024 std::unique_ptr<DataBufferHeap> heap_data_ap (new DataBufferHeap(byte_size, 0)); 1025 const ByteOrder byte_order = exe_ctx.GetProcessRef().GetByteOrder(); 1026 RegisterValue reg_value; 1027 if (reg_ctx->ReadRegister(v0_info, reg_value)) 1028 { 1029 Error error; 1030 if (reg_value.GetAsMemoryData (v0_info, 1031 heap_data_ap->GetBytes(), 1032 heap_data_ap->GetByteSize(), 1033 byte_order, 1034 error)) 1035 { 1036 DataExtractor data (DataBufferSP (heap_data_ap.release()), 1037 byte_order, 1038 exe_ctx.GetProcessRef().GetAddressByteSize()); 1039 return_valobj_sp = ValueObjectConstResult::Create (&thread, 1040 return_clang_type, 1041 ConstString(""), 1042 data); 1043 } 1044 } 1045 } 1046 } 1047 } 1048 } 1049 else if (type_flags & eTypeIsStructUnion || 1050 type_flags & eTypeIsClass) 1051 { 1052 DataExtractor data; 1053 1054 uint32_t NGRN = 0; // Search ABI docs for NGRN 1055 uint32_t NSRN = 0; // Search ABI docs for NSRN 1056 const bool is_return_value = true; 1057 if (LoadValueFromConsecutiveGPRRegisters (exe_ctx, reg_ctx, return_clang_type, is_return_value, NGRN, NSRN, data)) 1058 { 1059 return_valobj_sp = ValueObjectConstResult::Create (&thread, 1060 return_clang_type, 1061 ConstString(""), 1062 data); 1063 } 1064 } 1065 return return_valobj_sp; 1066} 1067 1068void 1069ABIMacOSX_arm64::Initialize() 1070{ 1071 PluginManager::RegisterPlugin (GetPluginNameStatic(), 1072 pluginDesc, 1073 CreateInstance); 1074} 1075 1076void 1077ABIMacOSX_arm64::Terminate() 1078{ 1079 PluginManager::UnregisterPlugin (CreateInstance); 1080} 1081 1082//------------------------------------------------------------------ 1083// PluginInterface protocol 1084//------------------------------------------------------------------ 1085ConstString 1086ABIMacOSX_arm64::GetPluginNameStatic() 1087{ 1088 static ConstString g_plugin_name("ABIMacOSX_arm64"); 1089 return g_plugin_name; 1090} 1091 1092const char * 1093ABIMacOSX_arm64::GetShortPluginName() 1094{ 1095 return pluginShort; 1096} 1097 1098uint32_t 1099ABIMacOSX_arm64::GetPluginVersion() 1100{ 1101 return 1; 1102} 1103 1104