Enrico Granata | cc5d274 | 2013-03-19 22:58:48 +0000 | [diff] [blame] | 1 | //===-- CF.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 "lldb/DataFormatters/CXXFormatterFunctions.h" |
| 11 | |
| 12 | #include "lldb/Core/DataBufferHeap.h" |
| 13 | #include "lldb/Core/Error.h" |
| 14 | #include "lldb/Core/Stream.h" |
| 15 | #include "lldb/Core/ValueObject.h" |
| 16 | #include "lldb/Core/ValueObjectConstResult.h" |
| 17 | #include "lldb/Host/Endian.h" |
| 18 | #include "lldb/Symbol/ClangASTContext.h" |
| 19 | #include "lldb/Target/ObjCLanguageRuntime.h" |
| 20 | #include "lldb/Target/Target.h" |
| 21 | |
| 22 | using namespace lldb; |
| 23 | using namespace lldb_private; |
| 24 | using namespace lldb_private::formatters; |
| 25 | |
| 26 | bool |
| 27 | lldb_private::formatters::CFAbsoluteTimeSummaryProvider (ValueObject& valobj, Stream& stream) |
| 28 | { |
| 29 | time_t epoch = GetOSXEpoch(); |
| 30 | epoch = epoch + (time_t)valobj.GetValueAsUnsigned(0); |
| 31 | tm *tm_date = localtime(&epoch); |
| 32 | if (!tm_date) |
| 33 | return false; |
| 34 | std::string buffer(1024,0); |
| 35 | if (strftime (&buffer[0], 1023, "%Z", tm_date) == 0) |
| 36 | return false; |
| 37 | stream.Printf("%04d-%02d-%02d %02d:%02d:%02d %s", tm_date->tm_year+1900, tm_date->tm_mon+1, tm_date->tm_mday, tm_date->tm_hour, tm_date->tm_min, tm_date->tm_sec, buffer.c_str()); |
| 38 | return true; |
| 39 | } |
| 40 | |
| 41 | bool |
| 42 | lldb_private::formatters::CFBagSummaryProvider (ValueObject& valobj, Stream& stream) |
| 43 | { |
| 44 | ProcessSP process_sp = valobj.GetProcessSP(); |
| 45 | if (!process_sp) |
| 46 | return false; |
| 47 | |
| 48 | ObjCLanguageRuntime* runtime = (ObjCLanguageRuntime*)process_sp->GetLanguageRuntime(lldb::eLanguageTypeObjC); |
| 49 | |
| 50 | if (!runtime) |
| 51 | return false; |
| 52 | |
| 53 | ObjCLanguageRuntime::ClassDescriptorSP descriptor(runtime->GetClassDescriptor(valobj)); |
| 54 | |
| 55 | if (!descriptor.get() || !descriptor->IsValid()) |
| 56 | return false; |
| 57 | |
| 58 | uint32_t ptr_size = process_sp->GetAddressByteSize(); |
| 59 | |
| 60 | lldb::addr_t valobj_addr = valobj.GetValueAsUnsigned(0); |
| 61 | |
| 62 | if (!valobj_addr) |
| 63 | return false; |
| 64 | |
| 65 | uint32_t count = 0; |
| 66 | |
| 67 | bool is_type_ok = false; // check to see if this is a CFBag we know about |
| 68 | if (descriptor->IsCFType()) |
| 69 | { |
| 70 | ConstString type_name(valobj.GetTypeName()); |
| 71 | if (type_name == ConstString("__CFBag") || type_name == ConstString("const struct __CFBag")) |
| 72 | { |
| 73 | if (valobj.IsPointerType()) |
| 74 | is_type_ok = true; |
| 75 | } |
| 76 | } |
| 77 | |
| 78 | if (is_type_ok == false) |
| 79 | { |
| 80 | StackFrameSP frame_sp(valobj.GetFrameSP()); |
| 81 | if (!frame_sp) |
| 82 | return false; |
| 83 | ValueObjectSP count_sp; |
| 84 | StreamString expr; |
| 85 | expr.Printf("(int)CFBagGetCount((void*)0x%" PRIx64 ")",valobj.GetPointerValue()); |
| 86 | if (process_sp->GetTarget().EvaluateExpression(expr.GetData(), frame_sp.get(), count_sp) != eExecutionCompleted) |
| 87 | return false; |
| 88 | if (!count_sp) |
| 89 | return false; |
| 90 | count = count_sp->GetValueAsUnsigned(0); |
| 91 | } |
| 92 | else |
| 93 | { |
| 94 | uint32_t offset = 2*ptr_size+4 + valobj_addr; |
| 95 | Error error; |
| 96 | count = process_sp->ReadUnsignedIntegerFromMemory(offset, 4, 0, error); |
| 97 | if (error.Fail()) |
| 98 | return false; |
| 99 | } |
| 100 | stream.Printf("@\"%u value%s\"", |
| 101 | count,(count == 1 ? "" : "s")); |
| 102 | return true; |
| 103 | } |
| 104 | |
| 105 | bool |
| 106 | lldb_private::formatters::CFBitVectorSummaryProvider (ValueObject& valobj, Stream& stream) |
| 107 | { |
| 108 | ProcessSP process_sp = valobj.GetProcessSP(); |
| 109 | if (!process_sp) |
| 110 | return false; |
| 111 | |
| 112 | ObjCLanguageRuntime* runtime = (ObjCLanguageRuntime*)process_sp->GetLanguageRuntime(lldb::eLanguageTypeObjC); |
| 113 | |
| 114 | if (!runtime) |
| 115 | return false; |
| 116 | |
| 117 | ObjCLanguageRuntime::ClassDescriptorSP descriptor(runtime->GetClassDescriptor(valobj)); |
| 118 | |
| 119 | if (!descriptor.get() || !descriptor->IsValid()) |
| 120 | return false; |
| 121 | |
| 122 | uint32_t ptr_size = process_sp->GetAddressByteSize(); |
| 123 | |
| 124 | lldb::addr_t valobj_addr = valobj.GetValueAsUnsigned(0); |
| 125 | |
| 126 | if (!valobj_addr) |
| 127 | return false; |
| 128 | |
| 129 | uint32_t count = 0; |
| 130 | |
| 131 | bool is_type_ok = false; // check to see if this is a CFBag we know about |
| 132 | if (descriptor->IsCFType()) |
| 133 | { |
| 134 | ConstString type_name(valobj.GetTypeName()); |
| 135 | if (type_name == ConstString("__CFMutableBitVector") || type_name == ConstString("__CFBitVector") || type_name == ConstString("CFMutableBitVectorRef") || type_name == ConstString("CFBitVectorRef")) |
| 136 | { |
| 137 | if (valobj.IsPointerType()) |
| 138 | is_type_ok = true; |
| 139 | } |
| 140 | } |
| 141 | |
| 142 | if (is_type_ok == false) |
| 143 | return false; |
| 144 | |
| 145 | Error error; |
| 146 | count = process_sp->ReadUnsignedIntegerFromMemory(valobj_addr+2*ptr_size, ptr_size, 0, error); |
| 147 | if (error.Fail()) |
| 148 | return false; |
| 149 | uint64_t num_bytes = count / 8 + ((count & 7) ? 1 : 0); |
| 150 | addr_t data_ptr = process_sp->ReadPointerFromMemory(valobj_addr+2*ptr_size+2*ptr_size, error); |
| 151 | if (error.Fail()) |
| 152 | return false; |
| 153 | // make sure we do not try to read huge amounts of data |
| 154 | if (num_bytes > 1024) |
| 155 | num_bytes = 1024; |
| 156 | DataBufferSP buffer_sp(new DataBufferHeap(num_bytes,0)); |
| 157 | num_bytes = process_sp->ReadMemory(data_ptr, buffer_sp->GetBytes(), num_bytes, error); |
| 158 | if (error.Fail()) |
| 159 | return false; |
| 160 | for (int byte_idx = 0; byte_idx < num_bytes-1; byte_idx++) |
| 161 | { |
| 162 | uint8_t byte = buffer_sp->GetBytes()[byte_idx]; |
| 163 | bool bit0 = (byte & 1) == 1; |
| 164 | bool bit1 = (byte & 2) == 2; |
| 165 | bool bit2 = (byte & 4) == 4; |
| 166 | bool bit3 = (byte & 8) == 8; |
| 167 | bool bit4 = (byte & 16) == 16; |
| 168 | bool bit5 = (byte & 32) == 32; |
| 169 | bool bit6 = (byte & 64) == 64; |
| 170 | bool bit7 = (byte & 128) == 128; |
| 171 | stream.Printf("%c%c%c%c %c%c%c%c ", |
| 172 | (bit7 ? '1' : '0'), |
| 173 | (bit6 ? '1' : '0'), |
| 174 | (bit5 ? '1' : '0'), |
| 175 | (bit4 ? '1' : '0'), |
| 176 | (bit3 ? '1' : '0'), |
| 177 | (bit2 ? '1' : '0'), |
| 178 | (bit1 ? '1' : '0'), |
| 179 | (bit0 ? '1' : '0')); |
| 180 | count -= 8; |
| 181 | } |
| 182 | { |
| 183 | // print the last byte ensuring we do not print spurious bits |
| 184 | uint8_t byte = buffer_sp->GetBytes()[num_bytes-1]; |
| 185 | bool bit0 = (byte & 1) == 1; |
| 186 | bool bit1 = (byte & 2) == 2; |
| 187 | bool bit2 = (byte & 4) == 4; |
| 188 | bool bit3 = (byte & 8) == 8; |
| 189 | bool bit4 = (byte & 16) == 16; |
| 190 | bool bit5 = (byte & 32) == 32; |
| 191 | bool bit6 = (byte & 64) == 64; |
| 192 | bool bit7 = (byte & 128) == 128; |
| 193 | if (count) |
| 194 | { |
| 195 | stream.Printf("%c",bit7 ? '1' : '0'); |
| 196 | count -= 1; |
| 197 | } |
| 198 | if (count) |
| 199 | { |
| 200 | stream.Printf("%c",bit6 ? '1' : '0'); |
| 201 | count -= 1; |
| 202 | } |
| 203 | if (count) |
| 204 | { |
| 205 | stream.Printf("%c",bit5 ? '1' : '0'); |
| 206 | count -= 1; |
| 207 | } |
| 208 | if (count) |
| 209 | { |
| 210 | stream.Printf("%c",bit4 ? '1' : '0'); |
| 211 | count -= 1; |
| 212 | } |
| 213 | if (count) |
| 214 | { |
| 215 | stream.Printf("%c",bit3 ? '1' : '0'); |
| 216 | count -= 1; |
| 217 | } |
| 218 | if (count) |
| 219 | { |
| 220 | stream.Printf("%c",bit2 ? '1' : '0'); |
| 221 | count -= 1; |
| 222 | } |
| 223 | if (count) |
| 224 | { |
| 225 | stream.Printf("%c",bit1 ? '1' : '0'); |
| 226 | count -= 1; |
| 227 | } |
| 228 | if (count) |
| 229 | { |
| 230 | stream.Printf("%c",bit0 ? '1' : '0'); |
| 231 | count -= 1; |
| 232 | } |
| 233 | } |
| 234 | return true; |
| 235 | } |
| 236 | |
| 237 | bool |
| 238 | lldb_private::formatters::CFBinaryHeapSummaryProvider (ValueObject& valobj, Stream& stream) |
| 239 | { |
| 240 | ProcessSP process_sp = valobj.GetProcessSP(); |
| 241 | if (!process_sp) |
| 242 | return false; |
| 243 | |
| 244 | ObjCLanguageRuntime* runtime = (ObjCLanguageRuntime*)process_sp->GetLanguageRuntime(lldb::eLanguageTypeObjC); |
| 245 | |
| 246 | if (!runtime) |
| 247 | return false; |
| 248 | |
| 249 | ObjCLanguageRuntime::ClassDescriptorSP descriptor(runtime->GetClassDescriptor(valobj)); |
| 250 | |
| 251 | if (!descriptor.get() || !descriptor->IsValid()) |
| 252 | return false; |
| 253 | |
| 254 | uint32_t ptr_size = process_sp->GetAddressByteSize(); |
| 255 | |
| 256 | lldb::addr_t valobj_addr = valobj.GetValueAsUnsigned(0); |
| 257 | |
| 258 | if (!valobj_addr) |
| 259 | return false; |
| 260 | |
| 261 | uint32_t count = 0; |
| 262 | |
| 263 | bool is_type_ok = false; // check to see if this is a CFBinaryHeap we know about |
| 264 | if (descriptor->IsCFType()) |
| 265 | { |
| 266 | ConstString type_name(valobj.GetTypeName()); |
| 267 | if (type_name == ConstString("__CFBinaryHeap") || type_name == ConstString("const struct __CFBinaryHeap")) |
| 268 | { |
| 269 | if (valobj.IsPointerType()) |
| 270 | is_type_ok = true; |
| 271 | } |
| 272 | } |
| 273 | |
| 274 | if (is_type_ok == false) |
| 275 | { |
| 276 | StackFrameSP frame_sp(valobj.GetFrameSP()); |
| 277 | if (!frame_sp) |
| 278 | return false; |
| 279 | ValueObjectSP count_sp; |
| 280 | StreamString expr; |
| 281 | expr.Printf("(int)CFBinaryHeapGetCount((void*)0x%" PRIx64 ")",valobj.GetPointerValue()); |
| 282 | if (process_sp->GetTarget().EvaluateExpression(expr.GetData(), frame_sp.get(), count_sp) != eExecutionCompleted) |
| 283 | return false; |
| 284 | if (!count_sp) |
| 285 | return false; |
| 286 | count = count_sp->GetValueAsUnsigned(0); |
| 287 | } |
| 288 | else |
| 289 | { |
| 290 | uint32_t offset = 2*ptr_size; |
| 291 | Error error; |
| 292 | count = process_sp->ReadUnsignedIntegerFromMemory(offset, 4, 0, error); |
| 293 | if (error.Fail()) |
| 294 | return false; |
| 295 | } |
| 296 | stream.Printf("@\"%u item%s\"", |
| 297 | count,(count == 1 ? "" : "s")); |
| 298 | return true; |
| 299 | } |