OLD | NEW |
1 // Copyright 2009 the V8 project authors. All rights reserved. | 1 // Copyright 2009 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
(...skipping 13 matching lines...) Expand all Loading... |
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | 27 |
28 #ifndef V8_X64_SIMULATOR_X64_H_ | 28 #ifndef V8_X64_SIMULATOR_X64_H_ |
29 #define V8_X64_SIMULATOR_X64_H_ | 29 #define V8_X64_SIMULATOR_X64_H_ |
30 | 30 |
31 | 31 |
32 // Since there is no simulator for the ia32 architecture the only thing we can | 32 // Since there is no simulator for the ia32 architecture the only thing we can |
33 // do is to call the entry directly. | 33 // do is to call the entry directly. |
| 34 // TODO(X64): Don't pass p0, since it isn't used? |
34 #define CALL_GENERATED_CODE(entry, p0, p1, p2, p3, p4) \ | 35 #define CALL_GENERATED_CODE(entry, p0, p1, p2, p3, p4) \ |
35 entry(p0, p1, p2, p3, p4); | 36 entry(p0, p1, p2, p3, p4); |
36 | 37 |
37 // Calculated the stack limit beyond which we will throw stack overflow errors. | 38 // Calculated the stack limit beyond which we will throw stack overflow errors. |
38 // This macro must be called from a C++ method. It relies on being able to take | 39 // This macro must be called from a C++ method. It relies on being able to take |
39 // the address of "this" to get a value on the current execution stack and then | 40 // the address of "this" to get a value on the current execution stack and then |
40 // calculates the stack limit based on that value. | 41 // calculates the stack limit based on that value. |
41 // NOTE: The check for overflow is not safe as there is no guarantee that the | 42 // NOTE: The check for overflow is not safe as there is no guarantee that the |
42 // running thread has its stack in all memory up to address 0x00000000. | 43 // running thread has its stack in all memory up to address 0x00000000. |
43 #define GENERATED_CODE_STACK_LIMIT(limit) \ | 44 #define GENERATED_CODE_STACK_LIMIT(limit) \ |
44 (reinterpret_cast<uintptr_t>(this) >= limit ? \ | 45 (reinterpret_cast<uintptr_t>(this) >= limit ? \ |
45 reinterpret_cast<uintptr_t>(this) - limit : 0) | 46 reinterpret_cast<uintptr_t>(this) - limit : 0) |
46 | 47 |
47 #endif // V8_X64_SIMULATOR_X64_H_ | 48 #endif // V8_X64_SIMULATOR_X64_H_ |
OLD | NEW |