stack.cc revision 1d8cdbc5202378a5f1a4b3a1fba610675ed4dcd5
168e76526e98432625464022cb26f66b9ef6f5af4Elliott Hughes/* 268e76526e98432625464022cb26f66b9ef6f5af4Elliott Hughes * Copyright (C) 2011 The Android Open Source Project 368e76526e98432625464022cb26f66b9ef6f5af4Elliott Hughes * 468e76526e98432625464022cb26f66b9ef6f5af4Elliott Hughes * Licensed under the Apache License, Version 2.0 (the "License"); 568e76526e98432625464022cb26f66b9ef6f5af4Elliott Hughes * you may not use this file except in compliance with the License. 668e76526e98432625464022cb26f66b9ef6f5af4Elliott Hughes * You may obtain a copy of the License at 768e76526e98432625464022cb26f66b9ef6f5af4Elliott Hughes * 868e76526e98432625464022cb26f66b9ef6f5af4Elliott Hughes * http://www.apache.org/licenses/LICENSE-2.0 968e76526e98432625464022cb26f66b9ef6f5af4Elliott Hughes * 1068e76526e98432625464022cb26f66b9ef6f5af4Elliott Hughes * Unless required by applicable law or agreed to in writing, software 1168e76526e98432625464022cb26f66b9ef6f5af4Elliott Hughes * distributed under the License is distributed on an "AS IS" BASIS, 1268e76526e98432625464022cb26f66b9ef6f5af4Elliott Hughes * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1368e76526e98432625464022cb26f66b9ef6f5af4Elliott Hughes * See the License for the specific language governing permissions and 1468e76526e98432625464022cb26f66b9ef6f5af4Elliott Hughes * limitations under the License. 1568e76526e98432625464022cb26f66b9ef6f5af4Elliott Hughes */ 1668e76526e98432625464022cb26f66b9ef6f5af4Elliott Hughes 1768e76526e98432625464022cb26f66b9ef6f5af4Elliott Hughes#include "stack.h" 1868e76526e98432625464022cb26f66b9ef6f5af4Elliott Hughes 19e63db27db913f1a88e2095a1ee8239b2bb9124e8Ian Rogers#include "arch/context.h" 20f943914730db8ad2ff03d49a2cacd31885d08fd7Dave Allison#include "base/hex_dump.h" 216f3dbbadf4ce66982eb3d400e0a74cb73eb034f3Ian Rogers#include "entrypoints/runtime_asm_entrypoints.h" 22ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom#include "mirror/art_method-inl.h" 234f6ad8ab428038129b2d0d6c40b7fd625cca15e1Ian Rogers#include "mirror/class-inl.h" 242dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/object.h" 252dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/object-inl.h" 262dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/object_array-inl.h" 277624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Marko#include "quick/quick_method_frame_info.h" 28590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier#include "runtime.h" 29f943914730db8ad2ff03d49a2cacd31885d08fd7Dave Allison#include "thread.h" 30bfe487be25652c5456236661b9d9c3579d2296c1Elliott Hughes#include "thread_list.h" 3162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers#include "throw_location.h" 324e30541a92381fb280cd0be9a1763b713ee4d64cMathieu Chartier#include "verify_object-inl.h" 331809a72a66d245ae598582d658b93a24ac3bf01eIan Rogers#include "vmap_table.h" 3468e76526e98432625464022cb26f66b9ef6f5af4Elliott Hughes 3511d1b0c31ddd710d26068da8e0e4621002205b4bElliott Hughesnamespace art { 3611d1b0c31ddd710d26068da8e0e4621002205b4bElliott Hughes 3762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogersmirror::Object* ShadowFrame::GetThisObject() const { 38ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = GetMethod(); 3962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers if (m->IsStatic()) { 4062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers return NULL; 4162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } else if (m->IsNative()) { 4262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers return GetVRegReference(0); 4362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } else { 44bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier const DexFile::CodeItem* code_item = m->GetCodeItem(); 4562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers CHECK(code_item != NULL) << PrettyMethod(m); 4662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers uint16_t reg = code_item->registers_size_ - code_item->ins_size_; 4762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers return GetVRegReference(reg); 4862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 4962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers} 5062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 51e701f48eb06fa59871412a11286429111270b211Jeff Haomirror::Object* ShadowFrame::GetThisObject(uint16_t num_ins) const { 52ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = GetMethod(); 53e701f48eb06fa59871412a11286429111270b211Jeff Hao if (m->IsStatic()) { 54e701f48eb06fa59871412a11286429111270b211Jeff Hao return NULL; 55e701f48eb06fa59871412a11286429111270b211Jeff Hao } else { 568d44885106503f68e5b977c080df8ae6cc360497Jeff Hao return GetVRegReference(NumberOfVRegs() - num_ins); 57e701f48eb06fa59871412a11286429111270b211Jeff Hao } 58e701f48eb06fa59871412a11286429111270b211Jeff Hao} 59e701f48eb06fa59871412a11286429111270b211Jeff Hao 6062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian RogersThrowLocation ShadowFrame::GetCurrentLocationForThrow() const { 6162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers return ThrowLocation(GetThisObject(), GetMethod(), GetDexPC()); 6262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers} 6362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 64ce4cc0d1818e872c1c7f3c3519a82259afd5c288TDYasize_t ManagedStack::NumJniShadowFrameReferences() const { 650399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers size_t count = 0; 660399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers for (const ManagedStack* current_fragment = this; current_fragment != NULL; 670399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers current_fragment = current_fragment->GetLink()) { 680399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers for (ShadowFrame* current_frame = current_fragment->top_shadow_frame_; current_frame != NULL; 690399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers current_frame = current_frame->GetLink()) { 70ce4cc0d1818e872c1c7f3c3519a82259afd5c288TDYa if (current_frame->GetMethod()->IsNative()) { 71ce4cc0d1818e872c1c7f3c3519a82259afd5c288TDYa // The JNI ShadowFrame only contains references. (For indirect reference.) 72ce4cc0d1818e872c1c7f3c3519a82259afd5c288TDYa count += current_frame->NumberOfVRegs(); 73ce4cc0d1818e872c1c7f3c3519a82259afd5c288TDYa } 740399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 75efccc565091b3409ed1372615b4ea4e2f6c39323buzbee } 760399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers return count; 77b3bd5f07884f5a1f2b84224363b1372d7c28d447Elliott Hughes} 78b3bd5f07884f5a1f2b84224363b1372d7c28d447Elliott Hughes 79ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogersbool ManagedStack::ShadowFramesContain(StackReference<mirror::Object>* shadow_frame_entry) const { 800399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers for (const ManagedStack* current_fragment = this; current_fragment != NULL; 810399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers current_fragment = current_fragment->GetLink()) { 820399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers for (ShadowFrame* current_frame = current_fragment->top_shadow_frame_; current_frame != NULL; 830399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers current_frame = current_frame->GetLink()) { 840399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers if (current_frame->Contains(shadow_frame_entry)) { 850399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers return true; 860399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 870399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 880399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 890399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers return false; 9068e76526e98432625464022cb26f66b9ef6f5af4Elliott Hughes} 9168e76526e98432625464022cb26f66b9ef6f5af4Elliott Hughes 927a22fa657b972e8323692368975bc5a7be1cc0f5Ian RogersStackVisitor::StackVisitor(Thread* thread, Context* context) 937a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers : thread_(thread), cur_shadow_frame_(NULL), 947a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers cur_quick_frame_(NULL), cur_quick_frame_pc_(0), num_frames_(0), cur_depth_(0), 957a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers context_(context) { 9662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers DCHECK(thread == Thread::Current() || thread->IsSuspended()) << *thread; 977a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers} 987a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers 995cf98196d488437acd1e989c08a554ef697fded1Ian RogersStackVisitor::StackVisitor(Thread* thread, Context* context, size_t num_frames) 1005cf98196d488437acd1e989c08a554ef697fded1Ian Rogers : thread_(thread), cur_shadow_frame_(NULL), 1015cf98196d488437acd1e989c08a554ef697fded1Ian Rogers cur_quick_frame_(NULL), cur_quick_frame_pc_(0), num_frames_(num_frames), cur_depth_(0), 1025cf98196d488437acd1e989c08a554ef697fded1Ian Rogers context_(context) { 1035cf98196d488437acd1e989c08a554ef697fded1Ian Rogers DCHECK(thread == Thread::Current() || thread->IsSuspended()) << *thread; 1045cf98196d488437acd1e989c08a554ef697fded1Ian Rogers} 1055cf98196d488437acd1e989c08a554ef697fded1Ian Rogers 106b373e091eac39b1a79c11f2dcbd610af01e9e8a9Dave Allisonuint32_t StackVisitor::GetDexPc(bool abort_on_failure) const { 1070399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers if (cur_shadow_frame_ != NULL) { 1080399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers return cur_shadow_frame_->GetDexPC(); 1090399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } else if (cur_quick_frame_ != NULL) { 110b373e091eac39b1a79c11f2dcbd610af01e9e8a9Dave Allison return GetMethod()->ToDexPc(cur_quick_frame_pc_, abort_on_failure); 1110399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } else { 1120399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers return 0; 1130399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 1140399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers} 1150399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers 11662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogersmirror::Object* StackVisitor::GetThisObject() const { 117ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = GetMethod(); 11862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers if (m->IsStatic()) { 1193946844c34ad965515f677084b07d663d70ad1b8Nicolas Geoffray return nullptr; 12062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } else if (m->IsNative()) { 1213946844c34ad965515f677084b07d663d70ad1b8Nicolas Geoffray if (cur_quick_frame_ != nullptr) { 122eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier HandleScope* hs = reinterpret_cast<HandleScope*>( 1236f3dbbadf4ce66982eb3d400e0a74cb73eb034f3Ian Rogers reinterpret_cast<char*>(cur_quick_frame_) + m->GetHandleScopeOffset().SizeValue()); 124eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier return hs->GetReference(0); 12562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } else { 12662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers return cur_shadow_frame_->GetVRegReference(0); 12762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 1283946844c34ad965515f677084b07d663d70ad1b8Nicolas Geoffray } else if (m->IsOptimized()) { 1293946844c34ad965515f677084b07d663d70ad1b8Nicolas Geoffray // TODO: Implement, currently only used for exceptions when jdwp is enabled. 1303946844c34ad965515f677084b07d663d70ad1b8Nicolas Geoffray LOG(WARNING) << "StackVisitor::GetThisObject is unimplemented with the optimizing compiler"; 1313946844c34ad965515f677084b07d663d70ad1b8Nicolas Geoffray return nullptr; 13262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } else { 133bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier const DexFile::CodeItem* code_item = m->GetCodeItem(); 1343946844c34ad965515f677084b07d663d70ad1b8Nicolas Geoffray if (code_item == nullptr) { 135e0dcd46314d07eeb332edea292f5110178e4e3d2Ian Rogers UNIMPLEMENTED(ERROR) << "Failed to determine this object of abstract or proxy method: " 13662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers << PrettyMethod(m); 137e0dcd46314d07eeb332edea292f5110178e4e3d2Ian Rogers return nullptr; 13862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } else { 13962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers uint16_t reg = code_item->registers_size_ - code_item->ins_size_; 14062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers return reinterpret_cast<mirror::Object*>(GetVReg(m, reg, kReferenceVReg)); 14162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 14262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 14362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers} 14462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 1450c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogerssize_t StackVisitor::GetNativePcOffset() const { 1460c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers DCHECK(!IsShadowFrame()); 1476f3dbbadf4ce66982eb3d400e0a74cb73eb034f3Ian Rogers return GetMethod()->NativeQuickPcOffset(cur_quick_frame_pc_); 1480c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers} 1490c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers 1500bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertzbool StackVisitor::GetVReg(mirror::ArtMethod* m, uint16_t vreg, VRegKind kind, 1510bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz uint32_t* val) const { 152c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz if (cur_quick_frame_ != nullptr) { 153c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz DCHECK(context_ != nullptr); // You can't reliably read registers without a context. 1542bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers DCHECK(m == GetMethod()); 1554c1c510bea6f20f4d8b09e15547cd2967ad51c88Vladimir Marko const void* code_pointer = m->GetQuickOatCodePointer(); 1564c1c510bea6f20f4d8b09e15547cd2967ad51c88Vladimir Marko DCHECK(code_pointer != nullptr); 1574c1c510bea6f20f4d8b09e15547cd2967ad51c88Vladimir Marko const VmapTable vmap_table(m->GetVmapTable(code_pointer)); 1584c1c510bea6f20f4d8b09e15547cd2967ad51c88Vladimir Marko QuickMethodFrameInfo frame_info = m->GetQuickFrameInfo(code_pointer); 1590ec569a3e653e0358fcb59c89f2aad708843db53Ian Rogers uint32_t vmap_offset; 1600ec569a3e653e0358fcb59c89f2aad708843db53Ian Rogers // TODO: IsInContext stops before spotting floating point registers. 1611809a72a66d245ae598582d658b93a24ac3bf01eIan Rogers if (vmap_table.IsInContext(vreg, kind, &vmap_offset)) { 1622bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers bool is_float = (kind == kFloatVReg) || (kind == kDoubleLoVReg) || (kind == kDoubleHiVReg); 1637624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Marko uint32_t spill_mask = is_float ? frame_info.FpSpillMask() : frame_info.CoreSpillMask(); 1640bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz uint32_t reg = vmap_table.ComputeRegister(spill_mask, vmap_offset, kind); 1650bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz uintptr_t ptr_val; 166c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz bool success = is_float ? GetFPR(reg, &ptr_val) : GetGPR(reg, &ptr_val); 167c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz if (!success) { 168c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz return false; 1690bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz } 170c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz bool target64 = Is64BitInstructionSet(kRuntimeISA); 171c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz if (target64) { 172b5860fb459f1ed71f39d8a87b45bee6727d79fe8buzbee bool wide_lo = (kind == kLongLoVReg) || (kind == kDoubleLoVReg); 173b5860fb459f1ed71f39d8a87b45bee6727d79fe8buzbee bool wide_hi = (kind == kLongHiVReg) || (kind == kDoubleHiVReg); 174b5860fb459f1ed71f39d8a87b45bee6727d79fe8buzbee int64_t value_long = static_cast<int64_t>(ptr_val); 175b5860fb459f1ed71f39d8a87b45bee6727d79fe8buzbee if (wide_lo) { 176b5860fb459f1ed71f39d8a87b45bee6727d79fe8buzbee ptr_val = static_cast<uintptr_t>(value_long & 0xFFFFFFFF); 177b5860fb459f1ed71f39d8a87b45bee6727d79fe8buzbee } else if (wide_hi) { 178b5860fb459f1ed71f39d8a87b45bee6727d79fe8buzbee ptr_val = static_cast<uintptr_t>(value_long >> 32); 179b5860fb459f1ed71f39d8a87b45bee6727d79fe8buzbee } 180b5860fb459f1ed71f39d8a87b45bee6727d79fe8buzbee } 1810bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz *val = ptr_val; 182c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz return true; 1830ec569a3e653e0358fcb59c89f2aad708843db53Ian Rogers } else { 184bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier const DexFile::CodeItem* code_item = m->GetCodeItem(); 185c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz DCHECK(code_item != nullptr) << PrettyMethod(m); // Can't be NULL or how would we compile 186c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz // its instructions? 1870bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz *val = *GetVRegAddr(cur_quick_frame_, code_item, frame_info.CoreSpillMask(), 1887624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Marko frame_info.FpSpillMask(), frame_info.FrameSizeInBytes(), vreg); 1890bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz return true; 1900399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 1910399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } else { 1920bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz *val = cur_shadow_frame_->GetVReg(vreg); 1930bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz return true; 1940399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 1956d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers} 1966d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers 197c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertzbool StackVisitor::GetVRegPair(mirror::ArtMethod* m, uint16_t vreg, VRegKind kind_lo, 198c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz VRegKind kind_hi, uint64_t* val) const { 199c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz if (kind_lo == kLongLoVReg) { 200c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz DCHECK_EQ(kind_hi, kLongHiVReg); 201c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz } else if (kind_lo == kDoubleLoVReg) { 202c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz DCHECK_EQ(kind_hi, kDoubleHiVReg); 203c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz } else { 204c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz LOG(FATAL) << "Expected long or double: kind_lo=" << kind_lo << ", kind_hi=" << kind_hi; 205c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz } 206c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz if (cur_quick_frame_ != nullptr) { 207c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz DCHECK(context_ != nullptr); // You can't reliably read registers without a context. 208c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz DCHECK(m == GetMethod()); 209c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz const void* code_pointer = m->GetQuickOatCodePointer(); 210c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz DCHECK(code_pointer != nullptr); 211c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz const VmapTable vmap_table(m->GetVmapTable(code_pointer)); 212c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz QuickMethodFrameInfo frame_info = m->GetQuickFrameInfo(code_pointer); 213c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz uint32_t vmap_offset_lo, vmap_offset_hi; 214c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz // TODO: IsInContext stops before spotting floating point registers. 215c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz if (vmap_table.IsInContext(vreg, kind_lo, &vmap_offset_lo) && 216c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz vmap_table.IsInContext(vreg + 1, kind_hi, &vmap_offset_hi)) { 217c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz bool is_float = (kind_lo == kDoubleLoVReg); 218c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz uint32_t spill_mask = is_float ? frame_info.FpSpillMask() : frame_info.CoreSpillMask(); 219c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz uint32_t reg_lo = vmap_table.ComputeRegister(spill_mask, vmap_offset_lo, kind_lo); 220c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz uint32_t reg_hi = vmap_table.ComputeRegister(spill_mask, vmap_offset_hi, kind_hi); 221c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz uintptr_t ptr_val_lo, ptr_val_hi; 222c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz bool success = is_float ? GetFPR(reg_lo, &ptr_val_lo) : GetGPR(reg_lo, &ptr_val_lo); 223c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz success &= is_float ? GetFPR(reg_hi, &ptr_val_hi) : GetGPR(reg_hi, &ptr_val_hi); 224c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz if (!success) { 225c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz return false; 226c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz } 227c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz bool target64 = Is64BitInstructionSet(kRuntimeISA); 228c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz if (target64) { 229c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz int64_t value_long_lo = static_cast<int64_t>(ptr_val_lo); 230c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz int64_t value_long_hi = static_cast<int64_t>(ptr_val_hi); 231c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz ptr_val_lo = static_cast<uintptr_t>(value_long_lo & 0xFFFFFFFF); 232c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz ptr_val_hi = static_cast<uintptr_t>(value_long_hi >> 32); 233c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz } 234c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz *val = (static_cast<uint64_t>(ptr_val_hi) << 32) | static_cast<uint32_t>(ptr_val_lo); 235c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz return true; 236c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz } else { 237c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz const DexFile::CodeItem* code_item = m->GetCodeItem(); 238c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz DCHECK(code_item != nullptr) << PrettyMethod(m); // Can't be NULL or how would we compile 239c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz // its instructions? 240c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz uint32_t* addr = GetVRegAddr(cur_quick_frame_, code_item, frame_info.CoreSpillMask(), 241c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz frame_info.FpSpillMask(), frame_info.FrameSizeInBytes(), vreg); 242c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz *val = *reinterpret_cast<uint64_t*>(addr); 243c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz return true; 244c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz } 245c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz } else { 246c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz *val = cur_shadow_frame_->GetVRegLong(vreg); 247c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz return true; 248c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz } 249c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz} 250c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz 2510bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertzbool StackVisitor::SetVReg(mirror::ArtMethod* m, uint16_t vreg, uint32_t new_value, 2522dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers VRegKind kind) { 253c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz if (cur_quick_frame_ != nullptr) { 254c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz DCHECK(context_ != nullptr); // You can't reliably write registers without a context. 2550ec569a3e653e0358fcb59c89f2aad708843db53Ian Rogers DCHECK(m == GetMethod()); 2564c1c510bea6f20f4d8b09e15547cd2967ad51c88Vladimir Marko const void* code_pointer = m->GetQuickOatCodePointer(); 2574c1c510bea6f20f4d8b09e15547cd2967ad51c88Vladimir Marko DCHECK(code_pointer != nullptr); 2584c1c510bea6f20f4d8b09e15547cd2967ad51c88Vladimir Marko const VmapTable vmap_table(m->GetVmapTable(code_pointer)); 2594c1c510bea6f20f4d8b09e15547cd2967ad51c88Vladimir Marko QuickMethodFrameInfo frame_info = m->GetQuickFrameInfo(code_pointer); 2600ec569a3e653e0358fcb59c89f2aad708843db53Ian Rogers uint32_t vmap_offset; 2610ec569a3e653e0358fcb59c89f2aad708843db53Ian Rogers // TODO: IsInContext stops before spotting floating point registers. 2621809a72a66d245ae598582d658b93a24ac3bf01eIan Rogers if (vmap_table.IsInContext(vreg, kind, &vmap_offset)) { 2636702243ea2332b566d8e8b871cc9db0906d835adMathieu Chartier bool is_float = (kind == kFloatVReg) || (kind == kDoubleLoVReg) || (kind == kDoubleHiVReg); 2647624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Marko uint32_t spill_mask = is_float ? frame_info.FpSpillMask() : frame_info.CoreSpillMask(); 2650bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz const uint32_t reg = vmap_table.ComputeRegister(spill_mask, vmap_offset, kind); 266c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz bool target64 = Is64BitInstructionSet(kRuntimeISA); 267b5860fb459f1ed71f39d8a87b45bee6727d79fe8buzbee // Deal with 32 or 64-bit wide registers in a way that builds on all targets. 268b5860fb459f1ed71f39d8a87b45bee6727d79fe8buzbee if (target64) { 269b5860fb459f1ed71f39d8a87b45bee6727d79fe8buzbee bool wide_lo = (kind == kLongLoVReg) || (kind == kDoubleLoVReg); 270b5860fb459f1ed71f39d8a87b45bee6727d79fe8buzbee bool wide_hi = (kind == kLongHiVReg) || (kind == kDoubleHiVReg); 271b5860fb459f1ed71f39d8a87b45bee6727d79fe8buzbee if (wide_lo || wide_hi) { 272b5860fb459f1ed71f39d8a87b45bee6727d79fe8buzbee uintptr_t old_reg_val; 273b5860fb459f1ed71f39d8a87b45bee6727d79fe8buzbee bool success = is_float ? GetFPR(reg, &old_reg_val) : GetGPR(reg, &old_reg_val); 274b5860fb459f1ed71f39d8a87b45bee6727d79fe8buzbee if (!success) { 275b5860fb459f1ed71f39d8a87b45bee6727d79fe8buzbee return false; 276b5860fb459f1ed71f39d8a87b45bee6727d79fe8buzbee } 277b5860fb459f1ed71f39d8a87b45bee6727d79fe8buzbee uint64_t new_vreg_portion = static_cast<uint64_t>(new_value); 278b5860fb459f1ed71f39d8a87b45bee6727d79fe8buzbee uint64_t old_reg_val_as_wide = static_cast<uint64_t>(old_reg_val); 279b5860fb459f1ed71f39d8a87b45bee6727d79fe8buzbee uint64_t mask = 0xffffffff; 280b5860fb459f1ed71f39d8a87b45bee6727d79fe8buzbee if (wide_lo) { 281b5860fb459f1ed71f39d8a87b45bee6727d79fe8buzbee mask = mask << 32; 282b5860fb459f1ed71f39d8a87b45bee6727d79fe8buzbee } else { 283b5860fb459f1ed71f39d8a87b45bee6727d79fe8buzbee new_vreg_portion = new_vreg_portion << 32; 284b5860fb459f1ed71f39d8a87b45bee6727d79fe8buzbee } 285b5860fb459f1ed71f39d8a87b45bee6727d79fe8buzbee new_value = static_cast<uintptr_t>((old_reg_val_as_wide & mask) | new_vreg_portion); 286b5860fb459f1ed71f39d8a87b45bee6727d79fe8buzbee } 287b5860fb459f1ed71f39d8a87b45bee6727d79fe8buzbee } 2880bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz if (is_float) { 2890bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz return SetFPR(reg, new_value); 2900bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz } else { 2910bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz return SetGPR(reg, new_value); 2920bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz } 2936702243ea2332b566d8e8b871cc9db0906d835adMathieu Chartier } else { 294bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier const DexFile::CodeItem* code_item = m->GetCodeItem(); 295c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz DCHECK(code_item != nullptr) << PrettyMethod(m); // Can't be NULL or how would we compile 296c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz // its instructions? 297c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz uint32_t* addr = GetVRegAddr(cur_quick_frame_, code_item, frame_info.CoreSpillMask(), 298c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz frame_info.FpSpillMask(), frame_info.FrameSizeInBytes(), vreg); 299c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz *addr = new_value; 3000bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz return true; 3010ec569a3e653e0358fcb59c89f2aad708843db53Ian Rogers } 3020ec569a3e653e0358fcb59c89f2aad708843db53Ian Rogers } else { 3030bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz cur_shadow_frame_->SetVReg(vreg, new_value); 3040bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz return true; 3050399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 306cccd84f1f972f1a260c3be418c8388a5d30cf59eElliott Hughes} 307cccd84f1f972f1a260c3be418c8388a5d30cf59eElliott Hughes 308c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertzbool StackVisitor::SetVRegPair(mirror::ArtMethod* m, uint16_t vreg, uint64_t new_value, 309c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz VRegKind kind_lo, VRegKind kind_hi) { 310c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz if (kind_lo == kLongLoVReg) { 311c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz DCHECK_EQ(kind_hi, kLongHiVReg); 312c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz } else if (kind_lo == kDoubleLoVReg) { 313c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz DCHECK_EQ(kind_hi, kDoubleHiVReg); 314c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz } else { 315c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz LOG(FATAL) << "Expected long or double: kind_lo=" << kind_lo << ", kind_hi=" << kind_hi; 316c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz } 317c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz if (cur_quick_frame_ != nullptr) { 318c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz DCHECK(context_ != nullptr); // You can't reliably write registers without a context. 319c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz DCHECK(m == GetMethod()); 320c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz const void* code_pointer = m->GetQuickOatCodePointer(); 321c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz DCHECK(code_pointer != nullptr); 322c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz const VmapTable vmap_table(m->GetVmapTable(code_pointer)); 323c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz QuickMethodFrameInfo frame_info = m->GetQuickFrameInfo(code_pointer); 324c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz uint32_t vmap_offset_lo, vmap_offset_hi; 325c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz // TODO: IsInContext stops before spotting floating point registers. 326c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz if (vmap_table.IsInContext(vreg, kind_lo, &vmap_offset_lo) && 327c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz vmap_table.IsInContext(vreg + 1, kind_hi, &vmap_offset_hi)) { 328c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz bool is_float = (kind_lo == kDoubleLoVReg); 329c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz uint32_t spill_mask = is_float ? frame_info.FpSpillMask() : frame_info.CoreSpillMask(); 330c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz uint32_t reg_lo = vmap_table.ComputeRegister(spill_mask, vmap_offset_lo, kind_lo); 331c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz uint32_t reg_hi = vmap_table.ComputeRegister(spill_mask, vmap_offset_hi, kind_hi); 332c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz uintptr_t new_value_lo = static_cast<uintptr_t>(new_value & 0xFFFFFFFF); 333c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz uintptr_t new_value_hi = static_cast<uintptr_t>(new_value >> 32); 334c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz bool target64 = Is64BitInstructionSet(kRuntimeISA); 335c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz // Deal with 32 or 64-bit wide registers in a way that builds on all targets. 336c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz if (target64) { 337c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz uintptr_t old_reg_val_lo, old_reg_val_hi; 338c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz bool success = is_float ? GetFPR(reg_lo, &old_reg_val_lo) : GetGPR(reg_lo, &old_reg_val_lo); 339c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz success &= is_float ? GetFPR(reg_hi, &old_reg_val_hi) : GetGPR(reg_hi, &old_reg_val_hi); 340c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz if (!success) { 341c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz return false; 342c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz } 343c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz uint64_t new_vreg_portion_lo = static_cast<uint64_t>(new_value_lo); 344c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz uint64_t new_vreg_portion_hi = static_cast<uint64_t>(new_value_hi) << 32; 345c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz uint64_t old_reg_val_lo_as_wide = static_cast<uint64_t>(old_reg_val_lo); 346c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz uint64_t old_reg_val_hi_as_wide = static_cast<uint64_t>(old_reg_val_hi); 347c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz uint64_t mask_lo = static_cast<uint64_t>(0xffffffff) << 32; 348c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz uint64_t mask_hi = 0xffffffff; 349c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz new_value_lo = static_cast<uintptr_t>((old_reg_val_lo_as_wide & mask_lo) | new_vreg_portion_lo); 350c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz new_value_hi = static_cast<uintptr_t>((old_reg_val_hi_as_wide & mask_hi) | new_vreg_portion_hi); 351c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz } 352c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz bool success = is_float ? SetFPR(reg_lo, new_value_lo) : SetGPR(reg_lo, new_value_lo); 353c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz success &= is_float ? SetFPR(reg_hi, new_value_hi) : SetGPR(reg_hi, new_value_hi); 354c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz return success; 355c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz } else { 356c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz const DexFile::CodeItem* code_item = m->GetCodeItem(); 357c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz DCHECK(code_item != nullptr) << PrettyMethod(m); // Can't be NULL or how would we compile 358c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz // its instructions? 359c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz uint32_t* addr = GetVRegAddr(cur_quick_frame_, code_item, frame_info.CoreSpillMask(), 360c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz frame_info.FpSpillMask(), frame_info.FrameSizeInBytes(), vreg); 361c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz *reinterpret_cast<uint64_t*>(addr) = new_value; 362c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz return true; 363c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz } 364c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz } else { 365c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz cur_shadow_frame_->SetVRegLong(vreg, new_value); 366c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz return true; 367c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz } 368c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz} 369c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz 370815873ecc312b1d231acce71e1a16f42cdaf09f2Mathieu Chartieruintptr_t* StackVisitor::GetGPRAddress(uint32_t reg) const { 371815873ecc312b1d231acce71e1a16f42cdaf09f2Mathieu Chartier DCHECK(cur_quick_frame_ != NULL) << "This is a quick frame routine"; 372815873ecc312b1d231acce71e1a16f42cdaf09f2Mathieu Chartier return context_->GetGPRAddress(reg); 373815873ecc312b1d231acce71e1a16f42cdaf09f2Mathieu Chartier} 374815873ecc312b1d231acce71e1a16f42cdaf09f2Mathieu Chartier 3750bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertzbool StackVisitor::GetGPR(uint32_t reg, uintptr_t* val) const { 3760bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz DCHECK(cur_quick_frame_ != NULL) << "This is a quick frame routine"; 3770bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz return context_->GetGPR(reg, val); 3780bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz} 3790bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz 3800bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertzbool StackVisitor::SetGPR(uint32_t reg, uintptr_t value) { 3810bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz DCHECK(cur_quick_frame_ != NULL) << "This is a quick frame routine"; 3820bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz return context_->SetGPR(reg, value); 3830bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz} 3840bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz 3850bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertzbool StackVisitor::GetFPR(uint32_t reg, uintptr_t* val) const { 386df62950e7a32031b82360c407d46a37b94188fbbBrian Carlstrom DCHECK(cur_quick_frame_ != NULL) << "This is a quick frame routine"; 3870bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz return context_->GetFPR(reg, val); 38868e76526e98432625464022cb26f66b9ef6f5af4Elliott Hughes} 38968e76526e98432625464022cb26f66b9ef6f5af4Elliott Hughes 3900bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertzbool StackVisitor::SetFPR(uint32_t reg, uintptr_t value) { 391df62950e7a32031b82360c407d46a37b94188fbbBrian Carlstrom DCHECK(cur_quick_frame_ != NULL) << "This is a quick frame routine"; 3920bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz return context_->SetFPR(reg, value); 3936702243ea2332b566d8e8b871cc9db0906d835adMathieu Chartier} 3946702243ea2332b566d8e8b871cc9db0906d835adMathieu Chartier 3950399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogersuintptr_t StackVisitor::GetReturnPc() const { 39613735955f39b3b304c37d2b2840663c131262c18Ian Rogers uint8_t* sp = reinterpret_cast<uint8_t*>(GetCurrentQuickFrame()); 3972bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers DCHECK(sp != NULL); 3986f3dbbadf4ce66982eb3d400e0a74cb73eb034f3Ian Rogers uint8_t* pc_addr = sp + GetMethod()->GetReturnPcOffset().SizeValue(); 3990399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers return *reinterpret_cast<uintptr_t*>(pc_addr); 40068e76526e98432625464022cb26f66b9ef6f5af4Elliott Hughes} 40168e76526e98432625464022cb26f66b9ef6f5af4Elliott Hughes 4020399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogersvoid StackVisitor::SetReturnPc(uintptr_t new_ret_pc) { 40313735955f39b3b304c37d2b2840663c131262c18Ian Rogers uint8_t* sp = reinterpret_cast<uint8_t*>(GetCurrentQuickFrame()); 4040399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers CHECK(sp != NULL); 4056f3dbbadf4ce66982eb3d400e0a74cb73eb034f3Ian Rogers uint8_t* pc_addr = sp + GetMethod()->GetReturnPcOffset().SizeValue(); 4060399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers *reinterpret_cast<uintptr_t*>(pc_addr) = new_ret_pc; 4070399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers} 408bfe487be25652c5456236661b9d9c3579d2296c1Elliott Hughes 4097a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogerssize_t StackVisitor::ComputeNumFrames(Thread* thread) { 4100399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers struct NumFramesVisitor : public StackVisitor { 4117a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers explicit NumFramesVisitor(Thread* thread) 4127a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers : StackVisitor(thread, NULL), frames(0) {} 413bfe487be25652c5456236661b9d9c3579d2296c1Elliott Hughes 4145cf98196d488437acd1e989c08a554ef697fded1Ian Rogers bool VisitFrame() OVERRIDE { 4150399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers frames++; 4160399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers return true; 4170399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 41808fc03ae5dded4adc9b45b7014a4b9dfedbe95a6Elliott Hughes 4190399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers size_t frames; 4200399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers }; 4217a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers NumFramesVisitor visitor(thread); 4220399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers visitor.WalkStack(true); 4230399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers return visitor.frames; 4240399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers} 425bfe487be25652c5456236661b9d9c3579d2296c1Elliott Hughes 4265cf98196d488437acd1e989c08a554ef697fded1Ian Rogersbool StackVisitor::GetNextMethodAndDexPc(mirror::ArtMethod** next_method, uint32_t* next_dex_pc) { 4275cf98196d488437acd1e989c08a554ef697fded1Ian Rogers struct HasMoreFramesVisitor : public StackVisitor { 4285cf98196d488437acd1e989c08a554ef697fded1Ian Rogers explicit HasMoreFramesVisitor(Thread* thread, size_t num_frames, size_t frame_height) 4295cf98196d488437acd1e989c08a554ef697fded1Ian Rogers : StackVisitor(thread, nullptr, num_frames), frame_height_(frame_height), 4305cf98196d488437acd1e989c08a554ef697fded1Ian Rogers found_frame_(false), has_more_frames_(false), next_method_(nullptr), next_dex_pc_(0) { 4315cf98196d488437acd1e989c08a554ef697fded1Ian Rogers } 4325cf98196d488437acd1e989c08a554ef697fded1Ian Rogers 4335cf98196d488437acd1e989c08a554ef697fded1Ian Rogers bool VisitFrame() OVERRIDE SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 4345cf98196d488437acd1e989c08a554ef697fded1Ian Rogers if (found_frame_) { 4355cf98196d488437acd1e989c08a554ef697fded1Ian Rogers mirror::ArtMethod* method = GetMethod(); 4365cf98196d488437acd1e989c08a554ef697fded1Ian Rogers if (method != nullptr && !method->IsRuntimeMethod()) { 4375cf98196d488437acd1e989c08a554ef697fded1Ian Rogers has_more_frames_ = true; 4385cf98196d488437acd1e989c08a554ef697fded1Ian Rogers next_method_ = method; 4395cf98196d488437acd1e989c08a554ef697fded1Ian Rogers next_dex_pc_ = GetDexPc(); 4405cf98196d488437acd1e989c08a554ef697fded1Ian Rogers return false; // End stack walk once next method is found. 4415cf98196d488437acd1e989c08a554ef697fded1Ian Rogers } 4425cf98196d488437acd1e989c08a554ef697fded1Ian Rogers } else if (GetFrameHeight() == frame_height_) { 4435cf98196d488437acd1e989c08a554ef697fded1Ian Rogers found_frame_ = true; 4445cf98196d488437acd1e989c08a554ef697fded1Ian Rogers } 4455cf98196d488437acd1e989c08a554ef697fded1Ian Rogers return true; 4465cf98196d488437acd1e989c08a554ef697fded1Ian Rogers } 4475cf98196d488437acd1e989c08a554ef697fded1Ian Rogers 4485cf98196d488437acd1e989c08a554ef697fded1Ian Rogers size_t frame_height_; 4495cf98196d488437acd1e989c08a554ef697fded1Ian Rogers bool found_frame_; 4505cf98196d488437acd1e989c08a554ef697fded1Ian Rogers bool has_more_frames_; 4515cf98196d488437acd1e989c08a554ef697fded1Ian Rogers mirror::ArtMethod* next_method_; 4525cf98196d488437acd1e989c08a554ef697fded1Ian Rogers uint32_t next_dex_pc_; 4535cf98196d488437acd1e989c08a554ef697fded1Ian Rogers }; 4545cf98196d488437acd1e989c08a554ef697fded1Ian Rogers HasMoreFramesVisitor visitor(thread_, GetNumFrames(), GetFrameHeight()); 4555cf98196d488437acd1e989c08a554ef697fded1Ian Rogers visitor.WalkStack(true); 4565cf98196d488437acd1e989c08a554ef697fded1Ian Rogers *next_method = visitor.next_method_; 4575cf98196d488437acd1e989c08a554ef697fded1Ian Rogers *next_dex_pc = visitor.next_dex_pc_; 4585cf98196d488437acd1e989c08a554ef697fded1Ian Rogers return visitor.has_more_frames_; 4595cf98196d488437acd1e989c08a554ef697fded1Ian Rogers} 4605cf98196d488437acd1e989c08a554ef697fded1Ian Rogers 4617a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogersvoid StackVisitor::DescribeStack(Thread* thread) { 462306057fd278d75bf3794bd5243a3b6652c487d18Ian Rogers struct DescribeStackVisitor : public StackVisitor { 4637a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers explicit DescribeStackVisitor(Thread* thread) 4647a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers : StackVisitor(thread, NULL) {} 465306057fd278d75bf3794bd5243a3b6652c487d18Ian Rogers 4665cf98196d488437acd1e989c08a554ef697fded1Ian Rogers bool VisitFrame() OVERRIDE SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 467306057fd278d75bf3794bd5243a3b6652c487d18Ian Rogers LOG(INFO) << "Frame Id=" << GetFrameId() << " " << DescribeLocation(); 468306057fd278d75bf3794bd5243a3b6652c487d18Ian Rogers return true; 469306057fd278d75bf3794bd5243a3b6652c487d18Ian Rogers } 470306057fd278d75bf3794bd5243a3b6652c487d18Ian Rogers }; 4717a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers DescribeStackVisitor visitor(thread); 472306057fd278d75bf3794bd5243a3b6652c487d18Ian Rogers visitor.WalkStack(true); 473306057fd278d75bf3794bd5243a3b6652c487d18Ian Rogers} 474306057fd278d75bf3794bd5243a3b6652c487d18Ian Rogers 47540e3bacfd57bca2ca39c1caec64680bd0ed4a16dIan Rogersstd::string StackVisitor::DescribeLocation() const { 47640e3bacfd57bca2ca39c1caec64680bd0ed4a16dIan Rogers std::string result("Visiting method '"); 477ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = GetMethod(); 478306057fd278d75bf3794bd5243a3b6652c487d18Ian Rogers if (m == NULL) { 479306057fd278d75bf3794bd5243a3b6652c487d18Ian Rogers return "upcall"; 480306057fd278d75bf3794bd5243a3b6652c487d18Ian Rogers } 481306057fd278d75bf3794bd5243a3b6652c487d18Ian Rogers result += PrettyMethod(m); 482ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers result += StringPrintf("' at dex PC 0x%04x", GetDexPc()); 48340e3bacfd57bca2ca39c1caec64680bd0ed4a16dIan Rogers if (!IsShadowFrame()) { 48440e3bacfd57bca2ca39c1caec64680bd0ed4a16dIan Rogers result += StringPrintf(" (native PC %p)", reinterpret_cast<void*>(GetCurrentQuickFramePc())); 48540e3bacfd57bca2ca39c1caec64680bd0ed4a16dIan Rogers } 48640e3bacfd57bca2ca39c1caec64680bd0ed4a16dIan Rogers return result; 48740e3bacfd57bca2ca39c1caec64680bd0ed4a16dIan Rogers} 48840e3bacfd57bca2ca39c1caec64680bd0ed4a16dIan Rogers 489e63db27db913f1a88e2095a1ee8239b2bb9124e8Ian Rogersstatic instrumentation::InstrumentationStackFrame& GetInstrumentationStackFrame(Thread* thread, 490e63db27db913f1a88e2095a1ee8239b2bb9124e8Ian Rogers uint32_t depth) { 491e63db27db913f1a88e2095a1ee8239b2bb9124e8Ian Rogers CHECK_LT(depth, thread->GetInstrumentationStack()->size()); 492e63db27db913f1a88e2095a1ee8239b2bb9124e8Ian Rogers return thread->GetInstrumentationStack()->at(depth); 4937a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers} 4947a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers 49500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogersvoid StackVisitor::SanityCheckFrame() const { 496ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers if (kIsDebugBuild) { 497ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers mirror::ArtMethod* method = GetMethod(); 498119c6bd97f7ac24b64eaf4e9333abb44acbf780fMathieu Chartier CHECK_EQ(method->GetClass(), mirror::ArtMethod::GetJavaLangReflectArtMethod()); 499ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers if (cur_quick_frame_ != nullptr) { 500ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers method->AssertPcIsWithinQuickCode(cur_quick_frame_pc_); 501ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers // Frame sanity. 502ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers size_t frame_size = method->GetFrameSizeInBytes(); 503ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers CHECK_NE(frame_size, 0u); 5045b417b97bd0e89ecd16d2215e0ff2eca5284e013Andreas Gampe // A rough guess at an upper size we expect to see for a frame. 5055b417b97bd0e89ecd16d2215e0ff2eca5284e013Andreas Gampe // 256 registers 506eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier // 2 words HandleScope overhead 5075b417b97bd0e89ecd16d2215e0ff2eca5284e013Andreas Gampe // 3+3 register spills 5085b417b97bd0e89ecd16d2215e0ff2eca5284e013Andreas Gampe // TODO: this seems architecture specific for the case of JNI frames. 509ed08bd41321b9347ce3b21e64a5084fb36234e9eBrian Carlstrom // TODO: 083-compiler-regressions ManyFloatArgs shows this estimate is wrong. 510ed08bd41321b9347ce3b21e64a5084fb36234e9eBrian Carlstrom // const size_t kMaxExpectedFrameSize = (256 + 2 + 3 + 3) * sizeof(word); 511ed08bd41321b9347ce3b21e64a5084fb36234e9eBrian Carlstrom const size_t kMaxExpectedFrameSize = 2 * KB; 512ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers CHECK_LE(frame_size, kMaxExpectedFrameSize); 5136f3dbbadf4ce66982eb3d400e0a74cb73eb034f3Ian Rogers size_t return_pc_offset = method->GetReturnPcOffset().SizeValue(); 514ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers CHECK_LT(return_pc_offset, frame_size); 515ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers } 5160399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 5170399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers} 518bfe487be25652c5456236661b9d9c3579d2296c1Elliott Hughes 5190399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogersvoid StackVisitor::WalkStack(bool include_transitions) { 5207a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers DCHECK(thread_ == Thread::Current() || thread_->IsSuspended()); 52162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers CHECK_EQ(cur_depth_, 0U); 52262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers bool exit_stubs_installed = Runtime::Current()->GetInstrumentation()->AreExitStubsInstalled(); 523725a957985171d712d5c048cc3d00ff14968784bjeffhao uint32_t instrumentation_stack_depth = 0; 524f943914730db8ad2ff03d49a2cacd31885d08fd7Dave Allison 5257a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers for (const ManagedStack* current_fragment = thread_->GetManagedStack(); current_fragment != NULL; 5260399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers current_fragment = current_fragment->GetLink()) { 5270399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers cur_shadow_frame_ = current_fragment->GetTopShadowFrame(); 5280399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers cur_quick_frame_ = current_fragment->GetTopQuickFrame(); 5291d8cdbc5202378a5f1a4b3a1fba610675ed4dcd5Ian Rogers cur_quick_frame_pc_ = 0; 530f943914730db8ad2ff03d49a2cacd31885d08fd7Dave Allison 5310399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers if (cur_quick_frame_ != NULL) { // Handle quick stack frames. 5320399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers // Can't be both a shadow and a quick fragment. 5330399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers DCHECK(current_fragment->GetTopShadowFrame() == NULL); 534cf4035a4c41ccfcc3e89a0cee25f5218a11b0705Andreas Gampe mirror::ArtMethod* method = cur_quick_frame_->AsMirrorPtr(); 5356641ea12b98dda9ec45d29f20e43f85698b88a02jeffhao while (method != NULL) { 5365cd33753b96d92c03e3cb10cb802e68fb6ef2f21Dave Allison SanityCheckFrame(); 5375cd33753b96d92c03e3cb10cb802e68fb6ef2f21Dave Allison bool should_continue = VisitFrame(); 5385cd33753b96d92c03e3cb10cb802e68fb6ef2f21Dave Allison if (UNLIKELY(!should_continue)) { 5395cd33753b96d92c03e3cb10cb802e68fb6ef2f21Dave Allison return; 5400399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 5415cd33753b96d92c03e3cb10cb802e68fb6ef2f21Dave Allison 5420399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers if (context_ != NULL) { 5430399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers context_->FillCalleeSaves(*this); 5440399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 5450399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers size_t frame_size = method->GetFrameSizeInBytes(); 5460399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers // Compute PC for next stack frame from return PC. 5476f3dbbadf4ce66982eb3d400e0a74cb73eb034f3Ian Rogers size_t return_pc_offset = method->GetReturnPcOffset(frame_size).SizeValue(); 54813735955f39b3b304c37d2b2840663c131262c18Ian Rogers uint8_t* return_pc_addr = reinterpret_cast<uint8_t*>(cur_quick_frame_) + return_pc_offset; 5490399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers uintptr_t return_pc = *reinterpret_cast<uintptr_t*>(return_pc_addr); 55062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers if (UNLIKELY(exit_stubs_installed)) { 5510399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers // While profiling, the return pc is restored from the side stack, except when walking 5520399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers // the stack for an exception where the side stack will be unwound in VisitFrame. 5536f3dbbadf4ce66982eb3d400e0a74cb73eb034f3Ian Rogers if (reinterpret_cast<uintptr_t>(GetQuickInstrumentationExitPc()) == return_pc) { 55474e256b8e442417d4ba2054c771c1e4f41062768Sebastien Hertz const instrumentation::InstrumentationStackFrame& instrumentation_frame = 555e63db27db913f1a88e2095a1ee8239b2bb9124e8Ian Rogers GetInstrumentationStackFrame(thread_, instrumentation_stack_depth); 556725a957985171d712d5c048cc3d00ff14968784bjeffhao instrumentation_stack_depth++; 557fb2802da02337309ac64970e06c90bb3b1b1de3fJeff Hao if (GetMethod() == Runtime::Current()->GetCalleeSaveMethod(Runtime::kSaveAll)) { 558fb2802da02337309ac64970e06c90bb3b1b1de3fJeff Hao // Skip runtime save all callee frames which are used to deliver exceptions. 559fb2802da02337309ac64970e06c90bb3b1b1de3fJeff Hao } else if (instrumentation_frame.interpreter_entry_) { 560ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* callee = Runtime::Current()->GetCalleeSaveMethod(Runtime::kRefsAndArgs); 561fb2802da02337309ac64970e06c90bb3b1b1de3fJeff Hao CHECK_EQ(GetMethod(), callee) << "Expected: " << PrettyMethod(callee) << " Found: " 562138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz << PrettyMethod(GetMethod()); 5639a916d3c0d0574d106c764e737c67b52988d6139Jeff Hao } else if (instrumentation_frame.method_ != GetMethod()) { 56462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers LOG(FATAL) << "Expected: " << PrettyMethod(instrumentation_frame.method_) 565138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz << " Found: " << PrettyMethod(GetMethod()); 56662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 56762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers if (num_frames_ != 0) { 56862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Check agreement of frame Ids only if num_frames_ is computed to avoid infinite 56962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // recursion. 57062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers CHECK(instrumentation_frame.frame_id_ == GetFrameId()) 57162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers << "Expected: " << instrumentation_frame.frame_id_ 57262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers << " Found: " << GetFrameId(); 57362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 574725a957985171d712d5c048cc3d00ff14968784bjeffhao return_pc = instrumentation_frame.return_pc_; 5750399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 5760399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 5770399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers cur_quick_frame_pc_ = return_pc; 57813735955f39b3b304c37d2b2840663c131262c18Ian Rogers uint8_t* next_frame = reinterpret_cast<uint8_t*>(cur_quick_frame_) + frame_size; 579cf4035a4c41ccfcc3e89a0cee25f5218a11b0705Andreas Gampe cur_quick_frame_ = reinterpret_cast<StackReference<mirror::ArtMethod>*>(next_frame); 5800399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers cur_depth_++; 581cf4035a4c41ccfcc3e89a0cee25f5218a11b0705Andreas Gampe method = cur_quick_frame_->AsMirrorPtr(); 5826641ea12b98dda9ec45d29f20e43f85698b88a02jeffhao } 5830399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } else if (cur_shadow_frame_ != NULL) { 5840399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers do { 5850399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers SanityCheckFrame(); 5860399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers bool should_continue = VisitFrame(); 5870399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers if (UNLIKELY(!should_continue)) { 5880399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers return; 5890399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 5900399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers cur_depth_++; 5910399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers cur_shadow_frame_ = cur_shadow_frame_->GetLink(); 592df62950e7a32031b82360c407d46a37b94188fbbBrian Carlstrom } while (cur_shadow_frame_ != NULL); 5930399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 5940399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers if (include_transitions) { 5950399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers bool should_continue = VisitFrame(); 5960399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers if (!should_continue) { 5970399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers return; 5980399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 5990399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 60062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers cur_depth_++; 60162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 60262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers if (num_frames_ != 0) { 60362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers CHECK_EQ(cur_depth_, num_frames_); 6040399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 605bfe487be25652c5456236661b9d9c3579d2296c1Elliott Hughes} 606bfe487be25652c5456236661b9d9c3579d2296c1Elliott Hughes 60768e76526e98432625464022cb26f66b9ef6f5af4Elliott Hughes} // namespace art 608