diff options
Diffstat (limited to 'src/sim/syscall_emul.hh')
| -rw-r--r-- | src/sim/syscall_emul.hh | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/src/sim/syscall_emul.hh b/src/sim/syscall_emul.hh index c9ce4b14f..e45a6c797 100644 --- a/src/sim/syscall_emul.hh +++ b/src/sim/syscall_emul.hh @@ -978,9 +978,14 @@ mmapFunc(SyscallDesc *desc, int num, LiveProcess *p, ThreadContext *tc) } // pick next address from our "mmap region" - start = p->mmap_end; + if (OS::mmapGrowsDown()) { + start = p->mmap_end - length; + p->mmap_end = start; + } else { + start = p->mmap_end; + p->mmap_end += length; + } p->pTable->allocate(start, length); - p->mmap_end += length; if (!(flags & OS::TGT_MAP_ANONYMOUS)) { warn("allowing mmap of file @ fd %d. " |