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-rw-r--r--src/sim/syscall_emul.hh42
1 files changed, 42 insertions, 0 deletions
diff --git a/src/sim/syscall_emul.hh b/src/sim/syscall_emul.hh
index fa0959f0e..1b4580bbf 100644
--- a/src/sim/syscall_emul.hh
+++ b/src/sim/syscall_emul.hh
@@ -1687,6 +1687,48 @@ getrlimitFunc(SyscallDesc *desc, int callnum, Process *process,
return 0;
}
+template <class OS>
+SyscallReturn
+prlimitFunc(SyscallDesc *desc, int callnum, Process *process,
+ ThreadContext *tc)
+{
+ int index = 0;
+ if (process->getSyscallArg(tc, index) != 0)
+ {
+ warn("prlimit: ignoring rlimits for nonzero pid");
+ return -EPERM;
+ }
+ int resource = process->getSyscallArg(tc, index);
+ Addr n = process->getSyscallArg(tc, index);
+ if (n != 0)
+ warn("prlimit: ignoring new rlimit");
+ Addr o = process->getSyscallArg(tc, index);
+ if (o != 0)
+ {
+ TypedBufferArg<typename OS::rlimit> rlp(
+ process->getSyscallArg(tc, index));
+ switch (resource) {
+ case OS::TGT_RLIMIT_STACK:
+ // max stack size in bytes: make up a number (8MB for now)
+ rlp->rlim_cur = rlp->rlim_max = 8 * 1024 * 1024;
+ rlp->rlim_cur = TheISA::htog(rlp->rlim_cur);
+ rlp->rlim_max = TheISA::htog(rlp->rlim_max);
+ break;
+ case OS::TGT_RLIMIT_DATA:
+ // max data segment size in bytes: make up a number
+ rlp->rlim_cur = rlp->rlim_max = 256*1024*1024;
+ rlp->rlim_cur = TheISA::htog(rlp->rlim_cur);
+ rlp->rlim_max = TheISA::htog(rlp->rlim_max);
+ default:
+ warn("prlimit: unimplemented resource %d", resource);
+ return -EINVAL;
+ break;
+ }
+ rlp.copyOut(tc->getMemProxy());
+ }
+ return 0;
+}
+
/// Target clock_gettime() function.
template <class OS>
SyscallReturn