Line data    Source code

       1             : // Copyright 2017 the V8 project authors. All rights reserved.
       2             : // Use of this source code is governed by a BSD-style license that can be
       3             : // found in the LICENSE file.
       4             : 
       5             : #include "src/wasm/memory-tracing.h"
       6             : 
       7             : #include "src/utils.h"
       8             : 
       9             : namespace v8 {
      10             : namespace internal {
      11             : namespace tracing {
      12             : 
      13         108 : void TraceMemoryOperation(ExecutionEngine engine, bool is_store,
      14             :                           MachineRepresentation rep, uint32_t addr,
      15             :                           int func_index, int position, uint8_t* mem_start) {
      16             :   EmbeddedVector<char, 64> value;
      17         108 :   switch (rep) {
      18             : #define TRACE_TYPE(rep, str, format, ctype1, ctype2)           \
      19             :   case MachineRepresentation::rep:                             \
      20             :     SNPrintF(value, str ":" format,                            \
      21             :              ReadLittleEndianValue<ctype1>(mem_start + addr),  \
      22             :              ReadLittleEndianValue<ctype2>(mem_start + addr)); \
      23             :     break;
      24          72 :     TRACE_TYPE(kWord8, " i8", "%d / %02x", uint8_t, uint8_t)
      25           0 :     TRACE_TYPE(kWord16, "i16", "%d / %04x", uint16_t, uint16_t)
      26          96 :     TRACE_TYPE(kWord32, "i32", "%d / %08x", uint32_t, uint32_t)
      27           0 :     TRACE_TYPE(kWord64, "i64", "%" PRId64 " / %016" PRIx64, uint64_t, uint64_t)
      28          48 :     TRACE_TYPE(kFloat32, "f32", "%f / %08x", float, uint32_t)
      29           0 :     TRACE_TYPE(kFloat64, "f64", "%f / %016" PRIx64, double, uint64_t)
      30             : #undef TRACE_TYPE
      31             :     default:
      32           0 :       SNPrintF(value, "???");
      33             :   }
      34             :   char eng_c = '?';
      35         108 :   switch (engine) {
      36             :     case kWasmCompiled:
      37             :       eng_c = 'C';
      38          54 :       break;
      39             :     case kWasmInterpreted:
      40             :       eng_c = 'I';
      41          54 :       break;
      42             :   }
      43             :   printf("%c %8d+0x%-6x %s @%08x %s\n", eng_c, func_index, position,
      44         108 :          is_store ? "store" : "read ", addr, value.start());
      45         108 : }
      46             : 
      47             : }  // namespace tracing
      48             : }  // namespace internal
      49             : }  // namespace v8