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60 lines
1.9 KiB
C++
60 lines
1.9 KiB
C++
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//===-- sanitizer_procmaps_solaris.cc -------------------------------------===//
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// Information about the process mappings (Solaris-specific parts).
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//===----------------------------------------------------------------------===//
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#include "sanitizer_platform.h"
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#if SANITIZER_SOLARIS
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#include "sanitizer_common.h"
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#include "sanitizer_procmaps.h"
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// Before Solaris 11.4, <procfs.h> doesn't work in a largefile environment.
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#undef _FILE_OFFSET_BITS
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#include <procfs.h>
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#include <limits.h>
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namespace __sanitizer {
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void ReadProcMaps(ProcSelfMapsBuff *proc_maps) {
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ReadFileToBuffer("/proc/self/xmap", &proc_maps->data, &proc_maps->mmaped_size,
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&proc_maps->len);
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}
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bool MemoryMappingLayout::Next(MemoryMappedSegment *segment) {
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char *last = data_.proc_self_maps.data + data_.proc_self_maps.len;
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if (data_.current >= last) return false;
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prxmap_t *xmapentry = (prxmap_t*)data_.current;
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segment->start = (uptr)xmapentry->pr_vaddr;
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segment->end = (uptr)(xmapentry->pr_vaddr + xmapentry->pr_size);
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segment->offset = (uptr)xmapentry->pr_offset;
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segment->protection = 0;
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if ((xmapentry->pr_mflags & MA_READ) != 0)
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segment->protection |= kProtectionRead;
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if ((xmapentry->pr_mflags & MA_WRITE) != 0)
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segment->protection |= kProtectionWrite;
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if ((xmapentry->pr_mflags & MA_EXEC) != 0)
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segment->protection |= kProtectionExecute;
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if (segment->filename != NULL && segment->filename_size > 0) {
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internal_snprintf(segment->filename,
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Min(segment->filename_size, (uptr)PATH_MAX), "%s",
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xmapentry->pr_mapname);
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}
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data_.current += sizeof(prxmap_t);
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return true;
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}
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} // namespace __sanitizer
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#endif // SANITIZER_SOLARIS
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