Hi everyone,
This is my version of the 'ftruncate64' system call. It simply passes
the call through to the underlying OS.
Cheers
Tim
--
The University of Edinburgh is a charitable body, registered in
Scotland, with registration number SC005336.
diff --git a/src/sim/syscall_emul.cc b/src/sim/syscall_emul.cc
--- a/src/sim/syscall_emul.cc
+++ b/src/sim/syscall_emul.cc
@@ -405,6 +405,21 @@
}
SyscallReturn
+ftruncate64Func(SyscallDesc *desc, int num,
+ LiveProcess *process, ThreadContext *tc)
+{
+ int fd = process->sim_fd(process->getSyscallArg(tc, 0));
+
+ if (fd < 0)
+ return -EBADF;
+
+ loff_t length = process->getSyscallArg(tc, 1);
+
+ 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
diff --git a/src/sim/syscall_emul.hh b/src/sim/syscall_emul.hh
--- a/src/sim/syscall_emul.hh
+++ b/src/sim/syscall_emul.hh
@@ -258,6 +258,11 @@
LiveProcess *p, ThreadContext *tc);
+/// Target ftruncate64() handler.
+SyscallReturn ftruncate64Func(SyscallDesc *desc, int num,
+ LiveProcess *p, ThreadContext *tc);
+
+
/// Target umask() handler.
SyscallReturn umaskFunc(SyscallDesc *desc, int num,
LiveProcess *p, ThreadContext *tc);
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