Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1 | // Copyright 2012 the V8 project authors. All rights reserved. |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 4 | |
| 5 | #ifndef V8_FRAMES_INL_H_ |
| 6 | #define V8_FRAMES_INL_H_ |
| 7 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 8 | #include "src/frames.h" |
| 9 | #include "src/isolate.h" |
| 10 | #include "src/v8memory.h" |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 11 | |
| 12 | #if V8_TARGET_ARCH_IA32 |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 13 | #include "src/ia32/frames-ia32.h" // NOLINT |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 14 | #elif V8_TARGET_ARCH_X64 |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 15 | #include "src/x64/frames-x64.h" // NOLINT |
| 16 | #elif V8_TARGET_ARCH_ARM64 |
| 17 | #include "src/arm64/frames-arm64.h" // NOLINT |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 18 | #elif V8_TARGET_ARCH_ARM |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 19 | #include "src/arm/frames-arm.h" // NOLINT |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 20 | #elif V8_TARGET_ARCH_MIPS |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 21 | #include "src/mips/frames-mips.h" // NOLINT |
| 22 | #elif V8_TARGET_ARCH_MIPS64 |
| 23 | #include "src/mips64/frames-mips64.h" // NOLINT |
| 24 | #elif V8_TARGET_ARCH_X87 |
| 25 | #include "src/x87/frames-x87.h" // NOLINT |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 26 | #else |
| 27 | #error Unsupported target architecture. |
| 28 | #endif |
| 29 | |
| 30 | namespace v8 { |
| 31 | namespace internal { |
| 32 | |
| 33 | |
| 34 | inline Address StackHandler::address() const { |
| 35 | return reinterpret_cast<Address>(const_cast<StackHandler*>(this)); |
| 36 | } |
| 37 | |
| 38 | |
| 39 | inline StackHandler* StackHandler::next() const { |
| 40 | const int offset = StackHandlerConstants::kNextOffset; |
| 41 | return FromAddress(Memory::Address_at(address() + offset)); |
| 42 | } |
| 43 | |
| 44 | |
| 45 | inline bool StackHandler::includes(Address address) const { |
| 46 | Address start = this->address(); |
| 47 | Address end = start + StackHandlerConstants::kSize; |
| 48 | return start <= address && address <= end; |
| 49 | } |
| 50 | |
| 51 | |
Kristian Monsen | 80d68ea | 2010-09-08 11:05:35 +0100 | [diff] [blame] | 52 | inline void StackHandler::Iterate(ObjectVisitor* v, Code* holder) const { |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame] | 53 | v->VisitPointer(context_address()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 54 | v->VisitPointer(code_address()); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 55 | } |
| 56 | |
| 57 | |
| 58 | inline StackHandler* StackHandler::FromAddress(Address address) { |
| 59 | return reinterpret_cast<StackHandler*>(address); |
| 60 | } |
| 61 | |
| 62 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 63 | inline bool StackHandler::is_js_entry() const { |
| 64 | return kind() == JS_ENTRY; |
| 65 | } |
| 66 | |
| 67 | |
| 68 | inline bool StackHandler::is_catch() const { |
| 69 | return kind() == CATCH; |
| 70 | } |
| 71 | |
| 72 | |
| 73 | inline bool StackHandler::is_finally() const { |
| 74 | return kind() == FINALLY; |
| 75 | } |
| 76 | |
| 77 | |
| 78 | inline StackHandler::Kind StackHandler::kind() const { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 79 | const int offset = StackHandlerConstants::kStateOffset; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 80 | return KindField::decode(Memory::unsigned_at(address() + offset)); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 81 | } |
| 82 | |
| 83 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 84 | inline unsigned StackHandler::index() const { |
| 85 | const int offset = StackHandlerConstants::kStateOffset; |
| 86 | return IndexField::decode(Memory::unsigned_at(address() + offset)); |
| 87 | } |
| 88 | |
| 89 | |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame] | 90 | inline Object** StackHandler::context_address() const { |
| 91 | const int offset = StackHandlerConstants::kContextOffset; |
| 92 | return reinterpret_cast<Object**>(address() + offset); |
| 93 | } |
| 94 | |
| 95 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 96 | inline Object** StackHandler::code_address() const { |
| 97 | const int offset = StackHandlerConstants::kCodeOffset; |
| 98 | return reinterpret_cast<Object**>(address() + offset); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 99 | } |
| 100 | |
| 101 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 102 | inline StackFrame::StackFrame(StackFrameIteratorBase* iterator) |
Ben Murdoch | 8b112d2 | 2011-06-08 16:22:53 +0100 | [diff] [blame] | 103 | : iterator_(iterator), isolate_(iterator_->isolate()) { |
| 104 | } |
| 105 | |
| 106 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 107 | inline StackHandler* StackFrame::top_handler() const { |
| 108 | return iterator_->handler(); |
| 109 | } |
| 110 | |
| 111 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 112 | inline Code* StackFrame::LookupCode() const { |
| 113 | return GetContainingCode(isolate(), pc()); |
| 114 | } |
| 115 | |
| 116 | |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 117 | inline Code* StackFrame::GetContainingCode(Isolate* isolate, Address pc) { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 118 | return isolate->inner_pointer_to_code_cache()->GetCacheEntry(pc)->code; |
| 119 | } |
| 120 | |
| 121 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 122 | inline Address* StackFrame::ResolveReturnAddressLocation(Address* pc_address) { |
| 123 | if (return_address_location_resolver_ == NULL) { |
| 124 | return pc_address; |
| 125 | } else { |
| 126 | return reinterpret_cast<Address*>( |
| 127 | return_address_location_resolver_( |
| 128 | reinterpret_cast<uintptr_t>(pc_address))); |
| 129 | } |
| 130 | } |
| 131 | |
| 132 | |
| 133 | inline EntryFrame::EntryFrame(StackFrameIteratorBase* iterator) |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 134 | : StackFrame(iterator) { |
| 135 | } |
| 136 | |
| 137 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 138 | inline EntryConstructFrame::EntryConstructFrame( |
| 139 | StackFrameIteratorBase* iterator) |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 140 | : EntryFrame(iterator) { |
| 141 | } |
| 142 | |
| 143 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 144 | inline ExitFrame::ExitFrame(StackFrameIteratorBase* iterator) |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 145 | : StackFrame(iterator) { |
| 146 | } |
| 147 | |
| 148 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 149 | inline StandardFrame::StandardFrame(StackFrameIteratorBase* iterator) |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 150 | : StackFrame(iterator) { |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 151 | } |
| 152 | |
| 153 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 154 | inline Object* StandardFrame::GetExpression(int index) const { |
| 155 | return Memory::Object_at(GetExpressionAddress(index)); |
| 156 | } |
| 157 | |
| 158 | |
| 159 | inline void StandardFrame::SetExpression(int index, Object* value) { |
| 160 | Memory::Object_at(GetExpressionAddress(index)) = value; |
| 161 | } |
| 162 | |
| 163 | |
| 164 | inline Object* StandardFrame::context() const { |
| 165 | const int offset = StandardFrameConstants::kContextOffset; |
| 166 | return Memory::Object_at(fp() + offset); |
| 167 | } |
| 168 | |
| 169 | |
| 170 | inline Address StandardFrame::caller_fp() const { |
| 171 | return Memory::Address_at(fp() + StandardFrameConstants::kCallerFPOffset); |
| 172 | } |
| 173 | |
| 174 | |
| 175 | inline Address StandardFrame::caller_pc() const { |
| 176 | return Memory::Address_at(ComputePCAddress(fp())); |
| 177 | } |
| 178 | |
| 179 | |
| 180 | inline Address StandardFrame::ComputePCAddress(Address fp) { |
| 181 | return fp + StandardFrameConstants::kCallerPCOffset; |
| 182 | } |
| 183 | |
| 184 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 185 | inline Address StandardFrame::ComputeConstantPoolAddress(Address fp) { |
| 186 | return fp + StandardFrameConstants::kConstantPoolOffset; |
| 187 | } |
| 188 | |
| 189 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 190 | inline bool StandardFrame::IsArgumentsAdaptorFrame(Address fp) { |
| 191 | Object* marker = |
| 192 | Memory::Object_at(fp + StandardFrameConstants::kContextOffset); |
| 193 | return marker == Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR); |
| 194 | } |
| 195 | |
| 196 | |
| 197 | inline bool StandardFrame::IsConstructFrame(Address fp) { |
| 198 | Object* marker = |
| 199 | Memory::Object_at(fp + StandardFrameConstants::kMarkerOffset); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 200 | return marker == Smi::FromInt(StackFrame::CONSTRUCT); |
| 201 | } |
| 202 | |
| 203 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 204 | inline JavaScriptFrame::JavaScriptFrame(StackFrameIteratorBase* iterator) |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 205 | : StandardFrame(iterator) { |
Ben Murdoch | 592a9fc | 2012-03-05 11:04:45 +0000 | [diff] [blame] | 206 | } |
| 207 | |
| 208 | |
Ben Murdoch | 8b112d2 | 2011-06-08 16:22:53 +0100 | [diff] [blame] | 209 | Address JavaScriptFrame::GetParameterSlot(int index) const { |
| 210 | int param_count = ComputeParametersCount(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 211 | DCHECK(-1 <= index && index < param_count); |
Ben Murdoch | 8b112d2 | 2011-06-08 16:22:53 +0100 | [diff] [blame] | 212 | int parameter_offset = (param_count - index - 1) * kPointerSize; |
| 213 | return caller_sp() + parameter_offset; |
| 214 | } |
| 215 | |
| 216 | |
| 217 | Object* JavaScriptFrame::GetParameter(int index) const { |
| 218 | return Memory::Object_at(GetParameterSlot(index)); |
| 219 | } |
| 220 | |
| 221 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 222 | inline Address JavaScriptFrame::GetOperandSlot(int index) const { |
| 223 | Address base = fp() + JavaScriptFrameConstants::kLocal0Offset; |
| 224 | DCHECK(IsAddressAligned(base, kPointerSize)); |
| 225 | DCHECK_EQ(type(), JAVA_SCRIPT); |
| 226 | DCHECK_LT(index, ComputeOperandsCount()); |
| 227 | DCHECK_LE(0, index); |
| 228 | // Operand stack grows down. |
| 229 | return base - index * kPointerSize; |
| 230 | } |
| 231 | |
| 232 | |
| 233 | inline Object* JavaScriptFrame::GetOperand(int index) const { |
| 234 | return Memory::Object_at(GetOperandSlot(index)); |
| 235 | } |
| 236 | |
| 237 | |
| 238 | inline int JavaScriptFrame::ComputeOperandsCount() const { |
| 239 | Address base = fp() + JavaScriptFrameConstants::kLocal0Offset; |
| 240 | // Base points to low address of first operand and stack grows down, so add |
| 241 | // kPointerSize to get the actual stack size. |
| 242 | intptr_t stack_size_in_bytes = (base + kPointerSize) - sp(); |
| 243 | DCHECK(IsAligned(stack_size_in_bytes, kPointerSize)); |
| 244 | DCHECK(type() == JAVA_SCRIPT); |
| 245 | DCHECK(stack_size_in_bytes >= 0); |
| 246 | return static_cast<int>(stack_size_in_bytes >> kPointerSizeLog2); |
| 247 | } |
| 248 | |
| 249 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 250 | inline Object* JavaScriptFrame::receiver() const { |
Ben Murdoch | 8b112d2 | 2011-06-08 16:22:53 +0100 | [diff] [blame] | 251 | return GetParameter(-1); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 252 | } |
| 253 | |
| 254 | |
| 255 | inline void JavaScriptFrame::set_receiver(Object* value) { |
Ben Murdoch | 8b112d2 | 2011-06-08 16:22:53 +0100 | [diff] [blame] | 256 | Memory::Object_at(GetParameterSlot(-1)) = value; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 257 | } |
| 258 | |
| 259 | |
| 260 | inline bool JavaScriptFrame::has_adapted_arguments() const { |
| 261 | return IsArgumentsAdaptorFrame(caller_fp()); |
| 262 | } |
| 263 | |
| 264 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 265 | inline JSFunction* JavaScriptFrame::function() const { |
| 266 | return JSFunction::cast(function_slot_object()); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 267 | } |
| 268 | |
| 269 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 270 | inline StubFrame::StubFrame(StackFrameIteratorBase* iterator) |
| 271 | : StandardFrame(iterator) { |
| 272 | } |
| 273 | |
| 274 | |
| 275 | inline OptimizedFrame::OptimizedFrame(StackFrameIteratorBase* iterator) |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 276 | : JavaScriptFrame(iterator) { |
| 277 | } |
| 278 | |
| 279 | |
| 280 | inline ArgumentsAdaptorFrame::ArgumentsAdaptorFrame( |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 281 | StackFrameIteratorBase* iterator) : JavaScriptFrame(iterator) { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 282 | } |
| 283 | |
| 284 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 285 | inline InternalFrame::InternalFrame(StackFrameIteratorBase* iterator) |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 286 | : StandardFrame(iterator) { |
| 287 | } |
| 288 | |
| 289 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 290 | inline StubFailureTrampolineFrame::StubFailureTrampolineFrame( |
| 291 | StackFrameIteratorBase* iterator) : StandardFrame(iterator) { |
| 292 | } |
| 293 | |
| 294 | |
| 295 | inline ConstructFrame::ConstructFrame(StackFrameIteratorBase* iterator) |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 296 | : InternalFrame(iterator) { |
| 297 | } |
| 298 | |
| 299 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 300 | inline JavaScriptFrameIterator::JavaScriptFrameIterator( |
Ben Murdoch | 8b112d2 | 2011-06-08 16:22:53 +0100 | [diff] [blame] | 301 | Isolate* isolate) |
| 302 | : iterator_(isolate) { |
| 303 | if (!done()) Advance(); |
| 304 | } |
| 305 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 306 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 307 | inline JavaScriptFrameIterator::JavaScriptFrameIterator( |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 308 | Isolate* isolate, ThreadLocalTop* top) |
| 309 | : iterator_(isolate, top) { |
| 310 | if (!done()) Advance(); |
| 311 | } |
| 312 | |
| 313 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 314 | inline JavaScriptFrame* JavaScriptFrameIterator::frame() const { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 315 | // TODO(1233797): The frame hierarchy needs to change. It's |
| 316 | // problematic that we can't use the safe-cast operator to cast to |
| 317 | // the JavaScript frame type, because we may encounter arguments |
| 318 | // adaptor frames. |
| 319 | StackFrame* frame = iterator_.frame(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 320 | DCHECK(frame->is_java_script() || frame->is_arguments_adaptor()); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 321 | return static_cast<JavaScriptFrame*>(frame); |
| 322 | } |
| 323 | |
| 324 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 325 | inline StackFrame* SafeStackFrameIterator::frame() const { |
| 326 | DCHECK(!done()); |
| 327 | DCHECK(frame_->is_java_script() || frame_->is_exit()); |
| 328 | return frame_; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 329 | } |
| 330 | |
| 331 | |
| 332 | } } // namespace v8::internal |
| 333 | |
| 334 | #endif // V8_FRAMES_INL_H_ |