| //===-- sanitizer_procmaps_solaris.cc -------------------------------------===// |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // Information about the process mappings (Solaris-specific parts). |
| //===----------------------------------------------------------------------===// |
| |
| #include "sanitizer_platform.h" |
| #if SANITIZER_SOLARIS |
| #include "sanitizer_common.h" |
| #include "sanitizer_procmaps.h" |
| |
| #include <procfs.h> |
| #include <limits.h> |
| |
| namespace __sanitizer { |
| |
| void ReadProcMaps(ProcSelfMapsBuff *proc_maps) { |
| ReadFileToBuffer("/proc/self/xmap", &proc_maps->data, &proc_maps->mmaped_size, |
| &proc_maps->len); |
| } |
| |
| bool MemoryMappingLayout::Next(MemoryMappedSegment *segment) { |
| char *last = data_.proc_self_maps.data + data_.proc_self_maps.len; |
| if (data_.current >= last) return false; |
| |
| prxmap_t *xmapentry = (prxmap_t*)data_.current; |
| |
| segment->start = (uptr)xmapentry->pr_vaddr; |
| segment->end = (uptr)(xmapentry->pr_vaddr + xmapentry->pr_size); |
| segment->offset = (uptr)xmapentry->pr_offset; |
| |
| segment->protection = 0; |
| if ((xmapentry->pr_mflags & MA_READ) != 0) |
| segment->protection |= kProtectionRead; |
| if ((xmapentry->pr_mflags & MA_WRITE) != 0) |
| segment->protection |= kProtectionWrite; |
| if ((xmapentry->pr_mflags & MA_EXEC) != 0) |
| segment->protection |= kProtectionExecute; |
| |
| if (segment->filename != NULL && segment->filename_size > 0) { |
| internal_snprintf(segment->filename, |
| Min(segment->filename_size, (uptr)PATH_MAX), "%s", |
| xmapentry->pr_mapname); |
| } |
| |
| data_.current += sizeof(prxmap_t); |
| |
| return true; |
| } |
| |
| } // namespace __sanitizer |
| |
| #endif // SANITIZER_SOLARIS |