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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include <stddef.h> | 5 #include <stddef.h> |
6 | 6 |
7 #include <limits> | 7 #include <limits> |
8 #include <sstream> | 8 #include <sstream> |
9 #include <string> | 9 #include <string> |
10 | 10 |
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231 EXPECT_EQ("00001", itoa_r_wrapper(1, 128, 10, 5)); | 231 EXPECT_EQ("00001", itoa_r_wrapper(1, 128, 10, 5)); |
232 EXPECT_EQ("688", itoa_r_wrapper(0x688, 128, 16, 0)); | 232 EXPECT_EQ("688", itoa_r_wrapper(0x688, 128, 16, 0)); |
233 EXPECT_EQ("688", itoa_r_wrapper(0x688, 128, 16, 1)); | 233 EXPECT_EQ("688", itoa_r_wrapper(0x688, 128, 16, 1)); |
234 EXPECT_EQ("688", itoa_r_wrapper(0x688, 128, 16, 2)); | 234 EXPECT_EQ("688", itoa_r_wrapper(0x688, 128, 16, 2)); |
235 EXPECT_EQ("688", itoa_r_wrapper(0x688, 128, 16, 3)); | 235 EXPECT_EQ("688", itoa_r_wrapper(0x688, 128, 16, 3)); |
236 EXPECT_EQ("0688", itoa_r_wrapper(0x688, 128, 16, 4)); | 236 EXPECT_EQ("0688", itoa_r_wrapper(0x688, 128, 16, 4)); |
237 EXPECT_EQ("00688", itoa_r_wrapper(0x688, 128, 16, 5)); | 237 EXPECT_EQ("00688", itoa_r_wrapper(0x688, 128, 16, 5)); |
238 } | 238 } |
239 #endif // defined(OS_POSIX) && !defined(OS_ANDROID) | 239 #endif // defined(OS_POSIX) && !defined(OS_ANDROID) |
240 | 240 |
241 #if HAVE_TRACE_STACK_FRAME_POINTERS | |
242 | |
243 template <size_t Depth> | |
244 void NOINLINE ExpectStackFramePointers(const void** frames, | |
245 size_t max_depth) { | |
246 code_start: | |
247 // Calling __builtin_frame_address() forces compiler to emit | |
248 // frame pointers, even if they are not enabled. | |
249 EXPECT_NE(nullptr, __builtin_frame_address(0)); | |
250 ExpectStackFramePointers<Depth - 1>(frames, max_depth); | |
251 | |
252 constexpr size_t frame_index = Depth - 1; | |
253 const void* frame = frames[frame_index]; | |
254 EXPECT_GE(frame, &&code_start) << "For frame at index " << frame_index; | |
255 EXPECT_LE(frame, &&code_end) << "For frame at index " << frame_index; | |
256 code_end: return; | |
257 } | |
258 | |
259 template <> | |
260 void NOINLINE ExpectStackFramePointers<1>(const void** frames, | |
261 size_t max_depth) { | |
262 code_start: | |
263 // Calling __builtin_frame_address() forces compiler to emit | |
264 // frame pointers, even if they are not enabled. | |
265 EXPECT_NE(nullptr, __builtin_frame_address(0)); | |
266 size_t count = TraceStackFramePointers(frames, max_depth, 0); | |
267 ASSERT_EQ(max_depth, count); | |
268 | |
269 const void* frame = frames[0]; | |
270 EXPECT_GE(frame, &&code_start) << "For the top frame"; | |
271 EXPECT_LE(frame, &&code_end) << "For the top frame"; | |
272 code_end: return; | |
273 } | |
274 | |
275 TEST_F(StackTraceTest, TraceStackFramePointers) { | |
276 constexpr size_t kDepth = 5; | |
277 const void* frames[kDepth]; | |
278 ExpectStackFramePointers<kDepth>(frames, kDepth); | |
279 } | |
280 | |
281 #endif // HAVE_TRACE_STACK_FRAME_POINTERS | |
282 | |
283 } // namespace debug | 241 } // namespace debug |
284 } // namespace base | 242 } // namespace base |
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