diff options
author | Timothy M. Jones <tjones1@inf.ed.ac.uk> | 2009-10-24 10:53:58 -0700 |
---|---|---|
committer | Timothy M. Jones <tjones1@inf.ed.ac.uk> | 2009-10-24 10:53:58 -0700 |
commit | c32d919bc07d87e5fc59d98cb58e9143182c1aef (patch) | |
tree | c25ea1020ee460c75c2ff03693e81149c5ece57e /src/sim/syscall_emul.cc | |
parent | 7cdd5316abaf91755edd9186d3836ff371902146 (diff) | |
download | gem5-c32d919bc07d87e5fc59d98cb58e9143182c1aef.tar.xz |
syscall: Implementation of the ftruncate64 system call.
Diffstat (limited to 'src/sim/syscall_emul.cc')
-rw-r--r-- | src/sim/syscall_emul.cc | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/sim/syscall_emul.cc b/src/sim/syscall_emul.cc index bd66594af..9a797bcdb 100644 --- a/src/sim/syscall_emul.cc +++ b/src/sim/syscall_emul.cc @@ -405,6 +405,22 @@ ftruncateFunc(SyscallDesc *desc, int num, } SyscallReturn +ftruncate64Func(SyscallDesc *desc, int num, + LiveProcess *process, ThreadContext *tc) +{ + int fd = process->sim_fd(process->getSyscallArg(tc, 0)); + + if (fd < 0) + return -EBADF; + + // I'm not sure why, but the length argument is in arg reg 3 + loff_t length = process->getSyscallArg(tc, 3); + + int result = ftruncate64(fd, length); + return (result == -1) ? -errno : result; +} + +SyscallReturn umaskFunc(SyscallDesc *desc, int num, LiveProcess *process, ThreadContext *tc) { // Letting the simulated program change the simulator's umask seems like |