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-rw-r--r--src/sim/syscall_desc.hh7
1 files changed, 6 insertions, 1 deletions
diff --git a/src/sim/syscall_desc.hh b/src/sim/syscall_desc.hh
index d72803e43..451db084b 100644
--- a/src/sim/syscall_desc.hh
+++ b/src/sim/syscall_desc.hh
@@ -51,9 +51,13 @@
#include "base/types.hh"
class Process;
+class SyscallDesc;
class SyscallReturn;
class ThreadContext;
+SyscallReturn unimplementedFunc(SyscallDesc *desc, int num,
+ Process *p, ThreadContext *tc);
+
/**
* This class provides the wrapper interface for the system call
* implementations which are defined in the sim/syscall_emul files and
@@ -66,7 +70,8 @@ class SyscallDesc {
typedef SyscallReturn (*SyscallExecutor)(SyscallDesc*, int num,
Process*, ThreadContext*);
- SyscallDesc(const char *name, SyscallExecutor sys_exec, int flags = 0)
+ SyscallDesc(const char *name,
+ SyscallExecutor sys_exec=unimplementedFunc, int flags=0)
: _name(name), executor(sys_exec), _flags(flags), _warned(false)
{
}