| // Copyright 2012 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. |
| |
| #ifndef V8_CHECKS_H_ |
| #define V8_CHECKS_H_ |
| |
| #include <string.h> |
| |
| #include "include/v8stdint.h" |
| #include "src/base/build_config.h" |
| |
| extern "C" void V8_Fatal(const char* file, int line, const char* format, ...); |
| |
| |
| // The FATAL, UNREACHABLE and UNIMPLEMENTED macros are useful during |
| // development, but they should not be relied on in the final product. |
| #ifdef DEBUG |
| #define FATAL(msg) \ |
| V8_Fatal(__FILE__, __LINE__, "%s", (msg)) |
| #define UNIMPLEMENTED() \ |
| V8_Fatal(__FILE__, __LINE__, "unimplemented code") |
| #define UNREACHABLE() \ |
| V8_Fatal(__FILE__, __LINE__, "unreachable code") |
| #else |
| #define FATAL(msg) \ |
| V8_Fatal("", 0, "%s", (msg)) |
| #define UNIMPLEMENTED() \ |
| V8_Fatal("", 0, "unimplemented code") |
| #define UNREACHABLE() ((void) 0) |
| #endif |
| |
| // Simulator specific helpers. |
| // We can't use USE_SIMULATOR here because it isn't defined yet. |
| #if V8_TARGET_ARCH_ARM64 && !V8_HOST_ARCH_ARM64 |
| // TODO(all): If possible automatically prepend an indicator like |
| // UNIMPLEMENTED or LOCATION. |
| #define ASM_UNIMPLEMENTED(message) \ |
| __ Debug(message, __LINE__, NO_PARAM) |
| #define ASM_UNIMPLEMENTED_BREAK(message) \ |
| __ Debug(message, __LINE__, \ |
| FLAG_ignore_asm_unimplemented_break ? NO_PARAM : BREAK) |
| #define ASM_LOCATION(message) \ |
| __ Debug("LOCATION: " message, __LINE__, NO_PARAM) |
| #else |
| #define ASM_UNIMPLEMENTED(message) |
| #define ASM_UNIMPLEMENTED_BREAK(message) |
| #define ASM_LOCATION(message) |
| #endif |
| |
| |
| // The CHECK macro checks that the given condition is true; if not, it |
| // prints a message to stderr and aborts. |
| #define CHECK(condition) do { \ |
| if (!(condition)) { \ |
| V8_Fatal(__FILE__, __LINE__, "CHECK(%s) failed", #condition); \ |
| } \ |
| } while (0) |
| |
| |
| // Helper function used by the CHECK_EQ function when given int |
| // arguments. Should not be called directly. |
| inline void CheckEqualsHelper(const char* file, int line, |
| const char* expected_source, int expected, |
| const char* value_source, int value) { |
| if (expected != value) { |
| V8_Fatal(file, line, |
| "CHECK_EQ(%s, %s) failed\n# Expected: %i\n# Found: %i", |
| expected_source, value_source, expected, value); |
| } |
| } |
| |
| |
| // Helper function used by the CHECK_EQ function when given int64_t |
| // arguments. Should not be called directly. |
| inline void CheckEqualsHelper(const char* file, int line, |
| const char* expected_source, |
| int64_t expected, |
| const char* value_source, |
| int64_t value) { |
| if (expected != value) { |
| // Print int64_t values in hex, as two int32s, |
| // to avoid platform-dependencies. |
| V8_Fatal(file, line, |
| "CHECK_EQ(%s, %s) failed\n#" |
| " Expected: 0x%08x%08x\n# Found: 0x%08x%08x", |
| expected_source, value_source, |
| static_cast<uint32_t>(expected >> 32), |
| static_cast<uint32_t>(expected), |
| static_cast<uint32_t>(value >> 32), |
| static_cast<uint32_t>(value)); |
| } |
| } |
| |
| |
| // Helper function used by the CHECK_NE function when given int |
| // arguments. Should not be called directly. |
| inline void CheckNonEqualsHelper(const char* file, |
| int line, |
| const char* unexpected_source, |
| int unexpected, |
| const char* value_source, |
| int value) { |
| if (unexpected == value) { |
| V8_Fatal(file, line, "CHECK_NE(%s, %s) failed\n# Value: %i", |
| unexpected_source, value_source, value); |
| } |
| } |
| |
| |
| // Helper function used by the CHECK function when given string |
| // arguments. Should not be called directly. |
| inline void CheckEqualsHelper(const char* file, |
| int line, |
| const char* expected_source, |
| const char* expected, |
| const char* value_source, |
| const char* value) { |
| if ((expected == NULL && value != NULL) || |
| (expected != NULL && value == NULL) || |
| (expected != NULL && value != NULL && strcmp(expected, value) != 0)) { |
| V8_Fatal(file, line, |
| "CHECK_EQ(%s, %s) failed\n# Expected: %s\n# Found: %s", |
| expected_source, value_source, expected, value); |
| } |
| } |
| |
| |
| inline void CheckNonEqualsHelper(const char* file, |
| int line, |
| const char* expected_source, |
| const char* expected, |
| const char* value_source, |
| const char* value) { |
| if (expected == value || |
| (expected != NULL && value != NULL && strcmp(expected, value) == 0)) { |
| V8_Fatal(file, line, "CHECK_NE(%s, %s) failed\n# Value: %s", |
| expected_source, value_source, value); |
| } |
| } |
| |
| |
| // Helper function used by the CHECK function when given pointer |
| // arguments. Should not be called directly. |
| inline void CheckEqualsHelper(const char* file, |
| int line, |
| const char* expected_source, |
| const void* expected, |
| const char* value_source, |
| const void* value) { |
| if (expected != value) { |
| V8_Fatal(file, line, |
| "CHECK_EQ(%s, %s) failed\n# Expected: %p\n# Found: %p", |
| expected_source, value_source, |
| expected, value); |
| } |
| } |
| |
| |
| inline void CheckNonEqualsHelper(const char* file, |
| int line, |
| const char* expected_source, |
| const void* expected, |
| const char* value_source, |
| const void* value) { |
| if (expected == value) { |
| V8_Fatal(file, line, "CHECK_NE(%s, %s) failed\n# Value: %p", |
| expected_source, value_source, value); |
| } |
| } |
| |
| |
| // Helper function used by the CHECK function when given floating |
| // point arguments. Should not be called directly. |
| inline void CheckEqualsHelper(const char* file, |
| int line, |
| const char* expected_source, |
| double expected, |
| const char* value_source, |
| double value) { |
| // Force values to 64 bit memory to truncate 80 bit precision on IA32. |
| volatile double* exp = new double[1]; |
| *exp = expected; |
| volatile double* val = new double[1]; |
| *val = value; |
| if (*exp != *val) { |
| V8_Fatal(file, line, |
| "CHECK_EQ(%s, %s) failed\n# Expected: %f\n# Found: %f", |
| expected_source, value_source, *exp, *val); |
| } |
| delete[] exp; |
| delete[] val; |
| } |
| |
| |
| inline void CheckNonEqualsHelper(const char* file, |
| int line, |
| const char* expected_source, |
| int64_t expected, |
| const char* value_source, |
| int64_t value) { |
| if (expected == value) { |
| V8_Fatal(file, line, |
| "CHECK_EQ(%s, %s) failed\n# Expected: %f\n# Found: %f", |
| expected_source, value_source, expected, value); |
| } |
| } |
| |
| |
| inline void CheckNonEqualsHelper(const char* file, |
| int line, |
| const char* expected_source, |
| double expected, |
| const char* value_source, |
| double value) { |
| // Force values to 64 bit memory to truncate 80 bit precision on IA32. |
| volatile double* exp = new double[1]; |
| *exp = expected; |
| volatile double* val = new double[1]; |
| *val = value; |
| if (*exp == *val) { |
| V8_Fatal(file, line, |
| "CHECK_NE(%s, %s) failed\n# Value: %f", |
| expected_source, value_source, *val); |
| } |
| delete[] exp; |
| delete[] val; |
| } |
| |
| |
| #define CHECK_EQ(expected, value) CheckEqualsHelper(__FILE__, __LINE__, \ |
| #expected, expected, #value, value) |
| |
| |
| #define CHECK_NE(unexpected, value) CheckNonEqualsHelper(__FILE__, __LINE__, \ |
| #unexpected, unexpected, #value, value) |
| |
| |
| #define CHECK_GT(a, b) CHECK((a) > (b)) |
| #define CHECK_GE(a, b) CHECK((a) >= (b)) |
| #define CHECK_LT(a, b) CHECK((a) < (b)) |
| #define CHECK_LE(a, b) CHECK((a) <= (b)) |
| |
| |
| #ifdef DEBUG |
| #ifndef OPTIMIZED_DEBUG |
| #define ENABLE_SLOW_ASSERTS 1 |
| #endif |
| #endif |
| |
| namespace v8 { |
| namespace internal { |
| #ifdef ENABLE_SLOW_ASSERTS |
| #define SLOW_ASSERT(condition) \ |
| CHECK(!v8::internal::FLAG_enable_slow_asserts || (condition)) |
| extern bool FLAG_enable_slow_asserts; |
| #else |
| #define SLOW_ASSERT(condition) ((void) 0) |
| const bool FLAG_enable_slow_asserts = false; |
| #endif |
| |
| // Exposed for making debugging easier (to see where your function is being |
| // called, just add a call to DumpBacktrace). |
| void DumpBacktrace(); |
| |
| } } // namespace v8::internal |
| |
| |
| // The ASSERT macro is equivalent to CHECK except that it only |
| // generates code in debug builds. |
| #ifdef DEBUG |
| #define ASSERT_RESULT(expr) CHECK(expr) |
| #define ASSERT(condition) CHECK(condition) |
| #define ASSERT_EQ(v1, v2) CHECK_EQ(v1, v2) |
| #define ASSERT_NE(v1, v2) CHECK_NE(v1, v2) |
| #define ASSERT_GE(v1, v2) CHECK_GE(v1, v2) |
| #define ASSERT_LT(v1, v2) CHECK_LT(v1, v2) |
| #define ASSERT_LE(v1, v2) CHECK_LE(v1, v2) |
| #else |
| #define ASSERT_RESULT(expr) (expr) |
| #define ASSERT(condition) ((void) 0) |
| #define ASSERT_EQ(v1, v2) ((void) 0) |
| #define ASSERT_NE(v1, v2) ((void) 0) |
| #define ASSERT_GE(v1, v2) ((void) 0) |
| #define ASSERT_LT(v1, v2) ((void) 0) |
| #define ASSERT_LE(v1, v2) ((void) 0) |
| #endif |
| |
| #define ASSERT_NOT_NULL(p) ASSERT_NE(NULL, p) |
| |
| // "Extra checks" are lightweight checks that are enabled in some release |
| // builds. |
| #ifdef ENABLE_EXTRA_CHECKS |
| #define EXTRA_CHECK(condition) CHECK(condition) |
| #else |
| #define EXTRA_CHECK(condition) ((void) 0) |
| #endif |
| |
| #endif // V8_CHECKS_H_ |