diff options
Diffstat (limited to 'src/sim/syscall_emul.cc')
| -rw-r--r-- | src/sim/syscall_emul.cc | 34 |
1 files changed, 32 insertions, 2 deletions
diff --git a/src/sim/syscall_emul.cc b/src/sim/syscall_emul.cc index 888c133c0..848b6f869 100644 --- a/src/sim/syscall_emul.cc +++ b/src/sim/syscall_emul.cc @@ -27,6 +27,7 @@ * * Authors: Steve Reinhardt * Ali Saidi + * Korey Sewell */ #include <fcntl.h> @@ -43,7 +44,7 @@ #include "mem/page_table.hh" #include "sim/process.hh" -#include "sim/sim_events.hh" +#include "sim/sim_exit.hh" using namespace std; using namespace TheISA; @@ -91,7 +92,7 @@ SyscallReturn exitFunc(SyscallDesc *desc, int callnum, Process *process, ThreadContext *tc) { - new SimExitEvent("target called exit()", tc->getSyscallArg(0) & 0xff); + exitSimLoop("target called exit()", tc->getSyscallArg(0) & 0xff); return 1; } @@ -341,6 +342,35 @@ 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) { |