diff options
Diffstat (limited to 'lib/sanitizer_common/sanitizer_procmaps_solaris.cc')
-rw-r--r-- | lib/sanitizer_common/sanitizer_procmaps_solaris.cc | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/lib/sanitizer_common/sanitizer_procmaps_solaris.cc b/lib/sanitizer_common/sanitizer_procmaps_solaris.cc new file mode 100644 index 000000000000..bfe83170f4e2 --- /dev/null +++ b/lib/sanitizer_common/sanitizer_procmaps_solaris.cc @@ -0,0 +1,57 @@ +//===-- 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 |