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authorKorey Sewell <ksewell@umich.edu>2006-06-09 17:07:13 -0400
committerKorey Sewell <ksewell@umich.edu>2006-06-09 17:07:13 -0400
commit4cc31e1aefc337fe37c4b6373fe263e8b26e0b7d (patch)
tree79030095be1a846e433bf9de7d31db8135811382 /src/sim
parent68e470f78aac9fc5ea15f0840deda0972bef7666 (diff)
downloadgem5-4cc31e1aefc337fe37c4b6373fe263e8b26e0b7d.tar.xz
add fcntl64Func
use ThreadContext rename src/arch/mips/isa/formats/branch.isa: src/arch/mips/isa/formats/fp.isa: src/arch/mips/isa/includes.isa: Use ThreadContext src/sim/syscall_emul.cc: fcntl64 function using TC src/sim/syscall_emul.hh: Add fcntl64func --HG-- extra : convert_revision : b5e2348530473704388b1c5a2b59bf78360260a9
Diffstat (limited to 'src/sim')
-rw-r--r--src/sim/syscall_emul.cc29
-rw-r--r--src/sim/syscall_emul.hh4
2 files changed, 33 insertions, 0 deletions
diff --git a/src/sim/syscall_emul.cc b/src/sim/syscall_emul.cc
index 888c133c0..e32295131 100644
--- a/src/sim/syscall_emul.cc
+++ b/src/sim/syscall_emul.cc
@@ -341,6 +341,35 @@ fcntlFunc(SyscallDesc *desc, int num, Process *process,
}
SyscallReturn
+fcntl64Func(SyscallDesc *desc, int num, Process *process,
+ ThreadContext *tc)
+{
+ int fd = tc->getSyscallArg(0);
+
+ if (fd < 0 || process->sim_fd(fd) < 0)
+ return -EBADF;
+
+ int cmd = tc->getSyscallArg(1);
+ switch (cmd) {
+ case 33: //F_GETLK64
+ warn("fcntl64(%d, F_GETLK64) not supported, error returned\n", fd);
+ return -EMFILE;
+
+ case 34: // F_SETLK64
+ case 35: // F_SETLKW64
+ warn("fcntl64(%d, F_SETLK(W)64) not supported, error returned\n", fd);
+ return -EMFILE;
+
+ default:
+ // not sure if this is totally valid, but we'll pass it through
+ // to the underlying OS
+ warn("fcntl64(%d, %d) passed through to host\n", fd, cmd);
+ return fcntl(process->sim_fd(fd), cmd);
+ // return 0;
+ }
+}
+
+SyscallReturn
pipePseudoFunc(SyscallDesc *desc, int callnum, Process *process,
ThreadContext *tc)
{
diff --git a/src/sim/syscall_emul.hh b/src/sim/syscall_emul.hh
index 874eaf6a4..ffd12dd83 100644
--- a/src/sim/syscall_emul.hh
+++ b/src/sim/syscall_emul.hh
@@ -249,6 +249,10 @@ SyscallReturn fchownFunc(SyscallDesc *desc, int num,
SyscallReturn fcntlFunc(SyscallDesc *desc, int num,
Process *process, ThreadContext *tc);
+/// Target fcntl64() handler.
+SyscallReturn fcntl64Func(SyscallDesc *desc, int num,
+ Process *process, ThreadContext *tc);
+
/// Target setuid() handler.
SyscallReturn setuidFunc(SyscallDesc *desc, int num,
Process *p, ThreadContext *tc);