1 //===-- sanitizer_procmaps_solaris.cc -------------------------------------===//
3 // This file is distributed under the University of Illinois Open Source
4 // License. See LICENSE.TXT for details.
6 //===----------------------------------------------------------------------===//
8 // Information about the process mappings (Solaris-specific parts).
9 //===----------------------------------------------------------------------===//
11 #include "sanitizer_platform.h"
13 #include "sanitizer_common.h"
14 #include "sanitizer_procmaps.h"
19 namespace __sanitizer {
21 void ReadProcMaps(ProcSelfMapsBuff *proc_maps) {
22 ReadFileToBuffer("/proc/self/xmap", &proc_maps->data, &proc_maps->mmaped_size,
26 bool MemoryMappingLayout::Next(MemoryMappedSegment *segment) {
27 char *last = data_.proc_self_maps.data + data_.proc_self_maps.len;
28 if (data_.current >= last) return false;
30 prxmap_t *xmapentry = (prxmap_t*)data_.current;
32 segment->start = (uptr)xmapentry->pr_vaddr;
33 segment->end = (uptr)(xmapentry->pr_vaddr + xmapentry->pr_size);
34 segment->offset = (uptr)xmapentry->pr_offset;
36 segment->protection = 0;
37 if ((xmapentry->pr_mflags & MA_READ) != 0)
38 segment->protection |= kProtectionRead;
39 if ((xmapentry->pr_mflags & MA_WRITE) != 0)
40 segment->protection |= kProtectionWrite;
41 if ((xmapentry->pr_mflags & MA_EXEC) != 0)
42 segment->protection |= kProtectionExecute;
44 if (segment->filename != NULL && segment->filename_size > 0) {
45 internal_snprintf(segment->filename,
46 Min(segment->filename_size, (uptr)PATH_MAX), "%s",
47 xmapentry->pr_mapname);
50 data_.current += sizeof(prxmap_t);
55 } // namespace __sanitizer
57 #endif // SANITIZER_SOLARIS