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 : #include "src/v8memory.h"
9 : #include "src/vector.h"
10 :
11 : namespace v8 {
12 : namespace internal {
13 : namespace wasm {
14 :
15 108 : void TraceMemoryOperation(ExecutionTier tier, const MemoryTracingInfo* info,
16 : int func_index, int position, uint8_t* mem_start) {
17 : EmbeddedVector<char, 64> value;
18 108 : auto mem_rep = static_cast<MachineRepresentation>(info->mem_rep);
19 108 : switch (mem_rep) {
20 : #define TRACE_TYPE(rep, str, format, ctype1, ctype2) \
21 : case MachineRepresentation::rep: \
22 : SNPrintF(value, str ":" format, \
23 : ReadLittleEndianValue<ctype1>( \
24 : reinterpret_cast<Address>(mem_start) + info->address), \
25 : ReadLittleEndianValue<ctype2>( \
26 : reinterpret_cast<Address>(mem_start) + info->address)); \
27 : break;
28 72 : TRACE_TYPE(kWord8, " i8", "%d / %02x", uint8_t, uint8_t)
29 0 : TRACE_TYPE(kWord16, "i16", "%d / %04x", uint16_t, uint16_t)
30 96 : TRACE_TYPE(kWord32, "i32", "%d / %08x", uint32_t, uint32_t)
31 0 : TRACE_TYPE(kWord64, "i64", "%" PRId64 " / %016" PRIx64, uint64_t, uint64_t)
32 24 : TRACE_TYPE(kFloat32, "f32", "%f / %08x", float, uint32_t)
33 0 : TRACE_TYPE(kFloat64, "f64", "%f / %016" PRIx64, double, uint64_t)
34 : #undef TRACE_TYPE
35 : default:
36 0 : SNPrintF(value, "???");
37 : }
38 : const char* eng = "?";
39 108 : switch (tier) {
40 : case ExecutionTier::kTurbofan:
41 : eng = "turbofan";
42 36 : break;
43 : case ExecutionTier::kLiftoff:
44 : eng = "liftoff";
45 36 : break;
46 : case ExecutionTier::kInterpreter:
47 : eng = "interpreter";
48 36 : break;
49 : case ExecutionTier::kNone:
50 0 : UNREACHABLE();
51 : }
52 108 : printf("%-11s func:%6d+0x%-6x%s %08x val: %s\n", eng, func_index, position,
53 108 : info->is_store ? " store to" : "load from", info->address,
54 : value.start());
55 108 : }
56 :
57 : } // namespace wasm
58 : } // namespace internal
59 122004 : } // namespace v8
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