| // Copyright 2017 the V8 project authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "src/wasm/memory-tracing.h" |
| |
| #include <cinttypes> |
| |
| #include "src/base/memory.h" |
| #include "src/utils/utils.h" |
| #include "src/utils/vector.h" |
| |
| #if V8_OS_STARBOARD |
| #include "starboard/common/log.h" |
| #endif // V8_OS_STARBOARD |
| |
| namespace v8 { |
| namespace internal { |
| namespace wasm { |
| |
| void TraceMemoryOperation(ExecutionTier tier, const MemoryTracingInfo* info, |
| int func_index, int position, uint8_t* mem_start) { |
| EmbeddedVector<char, 64> value; |
| auto mem_rep = static_cast<MachineRepresentation>(info->mem_rep); |
| switch (mem_rep) { |
| #define TRACE_TYPE(rep, str, format, ctype1, ctype2) \ |
| case MachineRepresentation::rep: \ |
| SNPrintF(value, str ":" format, \ |
| base::ReadLittleEndianValue<ctype1>( \ |
| reinterpret_cast<Address>(mem_start) + info->address), \ |
| base::ReadLittleEndianValue<ctype2>( \ |
| reinterpret_cast<Address>(mem_start) + info->address)); \ |
| break; |
| TRACE_TYPE(kWord8, " i8", "%d / %02x", uint8_t, uint8_t) |
| TRACE_TYPE(kWord16, "i16", "%d / %04x", uint16_t, uint16_t) |
| TRACE_TYPE(kWord32, "i32", "%d / %08x", uint32_t, uint32_t) |
| TRACE_TYPE(kWord64, "i64", "%" PRId64 " / %016" PRIx64, uint64_t, uint64_t) |
| TRACE_TYPE(kFloat32, "f32", "%f / %08x", float, uint32_t) |
| TRACE_TYPE(kFloat64, "f64", "%f / %016" PRIx64, double, uint64_t) |
| #undef TRACE_TYPE |
| default: |
| SNPrintF(value, "???"); |
| } |
| const char* eng = ExecutionTierToString(tier); |
| #if V8_OS_STARBOARD |
| SbLogFormatF("%-11s func:%6d+0x%-6x%s %08x val: %s\n", eng, func_index, |
| position, info->is_store ? " store to" : "load from", info->address, |
| value.begin()); |
| #else |
| printf("%-11s func:%6d+0x%-6x%s %08x val: %s\n", eng, func_index, position, |
| info->is_store ? " store to" : "load from", info->address, |
| value.begin()); |
| #endif |
| } |
| |
| } // namespace wasm |
| } // namespace internal |
| } // namespace v8 |