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| 1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 the V8 project authors. All rights reserved. |
| 2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
| 3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
| 4 // met: | 4 // met: |
| 5 // | 5 // |
| 6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
| 7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
| 8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
| 9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
| 10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
| 11 // with the distribution. | 11 // with the distribution. |
| 12 // * Neither the name of Google Inc. nor the names of its | 12 // * Neither the name of Google Inc. nor the names of its |
| 13 // contributors may be used to endorse or promote products derived | 13 // contributors may be used to endorse or promote products derived |
| 14 // from this software without specific prior written permission. | 14 // from this software without specific prior written permission. |
| 15 // | 15 // |
| 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | 17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | 18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | 19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | 20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 // | 27 // |
| 28 // Tests of profiler-related functions from log.h | 28 // Tests of profiler-related functions from log.h |
| 29 | 29 |
| 30 // TODO(jochen): Remove this after the setting is turned on globally. |
| 31 #define V8_IMMINENT_DEPRECATION_WARNINGS |
| 32 |
| 30 #include <stdlib.h> | 33 #include <stdlib.h> |
| 31 | 34 |
| 32 #include "src/v8.h" | 35 #include "src/v8.h" |
| 33 | 36 |
| 34 #include "src/api.h" | 37 #include "src/api.h" |
| 35 #include "src/codegen.h" | 38 #include "src/codegen.h" |
| 36 #include "src/disassembler.h" | 39 #include "src/disassembler.h" |
| 37 #include "src/isolate.h" | 40 #include "src/isolate.h" |
| 38 #include "src/log.h" | 41 #include "src/log.h" |
| 39 #include "src/profiler/sampler.h" | 42 #include "src/profiler/sampler.h" |
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| 58 | 61 |
| 59 static bool IsAddressWithinFuncCode(JSFunction* function, Address addr) { | 62 static bool IsAddressWithinFuncCode(JSFunction* function, Address addr) { |
| 60 i::Code* code = function->code(); | 63 i::Code* code = function->code(); |
| 61 return code->contains(addr); | 64 return code->contains(addr); |
| 62 } | 65 } |
| 63 | 66 |
| 64 | 67 |
| 65 static bool IsAddressWithinFuncCode(v8::Local<v8::Context> context, | 68 static bool IsAddressWithinFuncCode(v8::Local<v8::Context> context, |
| 66 const char* func_name, | 69 const char* func_name, |
| 67 Address addr) { | 70 Address addr) { |
| 68 v8::Local<v8::Value> func = context->Global()->Get(v8_str(func_name)); | 71 v8::Local<v8::Value> func = |
| 72 context->Global()->Get(context, v8_str(func_name)).ToLocalChecked(); |
| 69 CHECK(func->IsFunction()); | 73 CHECK(func->IsFunction()); |
| 70 JSFunction* js_func = JSFunction::cast(*v8::Utils::OpenHandle(*func)); | 74 JSFunction* js_func = JSFunction::cast(*v8::Utils::OpenHandle(*func)); |
| 71 return IsAddressWithinFuncCode(js_func, addr); | 75 return IsAddressWithinFuncCode(js_func, addr); |
| 72 } | 76 } |
| 73 | 77 |
| 74 | 78 |
| 75 // This C++ function is called as a constructor, to grab the frame pointer | 79 // This C++ function is called as a constructor, to grab the frame pointer |
| 76 // from the calling function. When this function runs, the stack contains | 80 // from the calling function. When this function runs, the stack contains |
| 77 // a C_Entry frame and a Construct frame above the calling function's frame. | 81 // a C_Entry frame and a Construct frame above the calling function's frame. |
| 78 static void construct_call(const v8::FunctionCallbackInfo<v8::Value>& args) { | 82 static void construct_call(const v8::FunctionCallbackInfo<v8::Value>& args) { |
| 79 i::Isolate* isolate = reinterpret_cast<i::Isolate*>(args.GetIsolate()); | 83 i::Isolate* isolate = reinterpret_cast<i::Isolate*>(args.GetIsolate()); |
| 80 i::StackFrameIterator frame_iterator(isolate); | 84 i::StackFrameIterator frame_iterator(isolate); |
| 81 CHECK(frame_iterator.frame()->is_exit()); | 85 CHECK(frame_iterator.frame()->is_exit()); |
| 82 frame_iterator.Advance(); | 86 frame_iterator.Advance(); |
| 83 CHECK(frame_iterator.frame()->is_construct()); | 87 CHECK(frame_iterator.frame()->is_construct()); |
| 84 frame_iterator.Advance(); | 88 frame_iterator.Advance(); |
| 85 i::StackFrame* calling_frame = frame_iterator.frame(); | 89 i::StackFrame* calling_frame = frame_iterator.frame(); |
| 86 CHECK(calling_frame->is_java_script()); | 90 CHECK(calling_frame->is_java_script()); |
| 87 | 91 |
| 92 v8::Local<v8::Context> context = args.GetIsolate()->GetCurrentContext(); |
| 88 #if defined(V8_HOST_ARCH_32_BIT) | 93 #if defined(V8_HOST_ARCH_32_BIT) |
| 89 int32_t low_bits = reinterpret_cast<int32_t>(calling_frame->fp()); | 94 int32_t low_bits = reinterpret_cast<int32_t>(calling_frame->fp()); |
| 90 args.This()->Set(v8_str("low_bits"), v8_num(low_bits >> 1)); | 95 args.This() |
| 96 ->Set(context, v8_str("low_bits"), v8_num(low_bits >> 1)) |
| 97 .FromJust(); |
| 91 #elif defined(V8_HOST_ARCH_64_BIT) | 98 #elif defined(V8_HOST_ARCH_64_BIT) |
| 92 uint64_t fp = reinterpret_cast<uint64_t>(calling_frame->fp()); | 99 uint64_t fp = reinterpret_cast<uint64_t>(calling_frame->fp()); |
| 93 int32_t low_bits = static_cast<int32_t>(fp & 0xffffffff); | 100 int32_t low_bits = static_cast<int32_t>(fp & 0xffffffff); |
| 94 int32_t high_bits = static_cast<int32_t>(fp >> 32); | 101 int32_t high_bits = static_cast<int32_t>(fp >> 32); |
| 95 args.This()->Set(v8_str("low_bits"), v8_num(low_bits)); | 102 args.This()->Set(context, v8_str("low_bits"), v8_num(low_bits)).FromJust(); |
| 96 args.This()->Set(v8_str("high_bits"), v8_num(high_bits)); | 103 args.This()->Set(context, v8_str("high_bits"), v8_num(high_bits)).FromJust(); |
| 97 #else | 104 #else |
| 98 #error Host architecture is neither 32-bit nor 64-bit. | 105 #error Host architecture is neither 32-bit nor 64-bit. |
| 99 #endif | 106 #endif |
| 100 args.GetReturnValue().Set(args.This()); | 107 args.GetReturnValue().Set(args.This()); |
| 101 } | 108 } |
| 102 | 109 |
| 103 | 110 |
| 104 // Use the API to create a JSFunction object that calls the above C++ function. | 111 // Use the API to create a JSFunction object that calls the above C++ function. |
| 105 void CreateFramePointerGrabberConstructor(v8::Local<v8::Context> context, | 112 void CreateFramePointerGrabberConstructor(v8::Local<v8::Context> context, |
| 106 const char* constructor_name) { | 113 const char* constructor_name) { |
| 107 Local<v8::FunctionTemplate> constructor_template = | 114 Local<v8::FunctionTemplate> constructor_template = |
| 108 v8::FunctionTemplate::New(context->GetIsolate(), construct_call); | 115 v8::FunctionTemplate::New(context->GetIsolate(), construct_call); |
| 109 constructor_template->SetClassName(v8_str("FPGrabber")); | 116 constructor_template->SetClassName(v8_str("FPGrabber")); |
| 110 Local<Function> fun = constructor_template->GetFunction(); | 117 Local<Function> fun = |
| 111 context->Global()->Set(v8_str(constructor_name), fun); | 118 constructor_template->GetFunction(context).ToLocalChecked(); |
| 119 context->Global()->Set(context, v8_str(constructor_name), fun).FromJust(); |
| 112 } | 120 } |
| 113 | 121 |
| 114 | 122 |
| 115 // Creates a global function named 'func_name' that calls the tracing | 123 // Creates a global function named 'func_name' that calls the tracing |
| 116 // function 'trace_func_name' with an actual EBP register value, | 124 // function 'trace_func_name' with an actual EBP register value, |
| 117 // encoded as one or two Smis. | 125 // encoded as one or two Smis. |
| 118 static void CreateTraceCallerFunction(v8::Local<v8::Context> context, | 126 static void CreateTraceCallerFunction(v8::Local<v8::Context> context, |
| 119 const char* func_name, | 127 const char* func_name, |
| 120 const char* trace_func_name) { | 128 const char* trace_func_name) { |
| 121 i::EmbeddedVector<char, 256> trace_call_buf; | 129 i::EmbeddedVector<char, 256> trace_call_buf; |
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| 279 v8::Local<v8::Context> context = CcTest::NewContext(TRACE_EXTENSION); | 287 v8::Local<v8::Context> context = CcTest::NewContext(TRACE_EXTENSION); |
| 280 v8::Context::Scope context_scope(context); | 288 v8::Context::Scope context_scope(context); |
| 281 CHECK(!i::TraceExtension::GetJsEntrySp()); | 289 CHECK(!i::TraceExtension::GetJsEntrySp()); |
| 282 CompileRun("a = 1; b = a + 1;"); | 290 CompileRun("a = 1; b = a + 1;"); |
| 283 CHECK(!i::TraceExtension::GetJsEntrySp()); | 291 CHECK(!i::TraceExtension::GetJsEntrySp()); |
| 284 CompileRun("js_entry_sp();"); | 292 CompileRun("js_entry_sp();"); |
| 285 CHECK(!i::TraceExtension::GetJsEntrySp()); | 293 CHECK(!i::TraceExtension::GetJsEntrySp()); |
| 286 CompileRun("js_entry_sp_level2();"); | 294 CompileRun("js_entry_sp_level2();"); |
| 287 CHECK(!i::TraceExtension::GetJsEntrySp()); | 295 CHECK(!i::TraceExtension::GetJsEntrySp()); |
| 288 } | 296 } |
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