diff options
Diffstat (limited to 'src/sim')
| -rw-r--r-- | src/sim/syscall_emul.hh | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/sim/syscall_emul.hh b/src/sim/syscall_emul.hh index e9ed130f0..906a01edb 100644 --- a/src/sim/syscall_emul.hh +++ b/src/sim/syscall_emul.hh @@ -1389,6 +1389,28 @@ mmapImpl(SyscallDesc *desc, int num, LiveProcess *p, ThreadContext *tc, return start; } +template <class OS> +SyscallReturn +pwrite64Func(SyscallDesc *desc, int num, LiveProcess *p, ThreadContext *tc) +{ + int index = 0; + int tgt_fd = p->getSyscallArg(tc, index); + Addr bufPtr = p->getSyscallArg(tc, index); + int nbytes = p->getSyscallArg(tc, index); + int offset = p->getSyscallArg(tc, index); + + int sim_fd = p->getSimFD(tgt_fd); + if (sim_fd < 0) + return -EBADF; + + BufferArg bufArg(bufPtr, nbytes); + bufArg.copyIn(tc->getMemProxy()); + + int bytes_written = pwrite64(sim_fd, bufArg.bufferPtr(), nbytes, offset); + + return (bytes_written == -1) ? -errno : bytes_written; +} + /// Target mmap() handler. template <class OS> SyscallReturn |