Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/os_cpu/linux_x86/vm/os_linux_x86.cpp
src/os_cpu/linux_x86/vm/os_linux_x86.cpp
- changeset 4763
- 9ef47379df20
- parent 4710
- 9058789475af
- child 4993
- 746b070f5022
equal
deleted
inserted
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| 4762:0a2deac0bbfb | 4763:9ef47379df20 |
|---|---|
| 338 } else if (sig == SIGBUS /* && info->si_code == BUS_OBJERR */) { | 338 } else if (sig == SIGBUS /* && info->si_code == BUS_OBJERR */) { |
| 339 // BugId 4454115: A read from a MappedByteBuffer can fault | 339 // BugId 4454115: A read from a MappedByteBuffer can fault |
| 340 // here if the underlying file has been truncated. | 340 // here if the underlying file has been truncated. |
| 341 // Do not crash the VM in such a case. | 341 // Do not crash the VM in such a case. |
| 342 CodeBlob* cb = CodeCache::find_blob_unsafe(pc); | 342 CodeBlob* cb = CodeCache::find_blob_unsafe(pc); |
| 343 nmethod* nm = cb->is_nmethod() ? (nmethod*)cb : NULL; | 343 nmethod* nm = (cb != NULL && cb->is_nmethod()) ? (nmethod*)cb : NULL; |
| 344 if (nm != NULL && nm->has_unsafe_access()) { | 344 if (nm != NULL && nm->has_unsafe_access()) { |
| 345 stub = StubRoutines::handler_for_unsafe_access(); | 345 stub = StubRoutines::handler_for_unsafe_access(); |
| 346 } | 346 } |
| 347 } | 347 } |
| 348 else | 348 else |
