sim, arm: implement more of the at variety syscalls
Needed for new AArch64 binaries
diff --git a/src/sim/syscall_emul.cc b/src/sim/syscall_emul.cc
index a860653..935193e 100644
--- a/src/sim/syscall_emul.cc
+++ b/src/sim/syscall_emul.cc
@@ -351,13 +351,20 @@
return (result == -1) ? -errno : result;
}
+/// Target open() handler.
+SyscallReturn
+readlinkFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
+ ThreadContext *tc)
+{
+ return readlinkFunc(desc, callnum, process, tc, 0);
+}
SyscallReturn
-readlinkFunc(SyscallDesc *desc, int num, LiveProcess *p, ThreadContext *tc)
+readlinkFunc(SyscallDesc *desc, int num, LiveProcess *p, ThreadContext *tc,
+ int index)
{
string path;
- int index = 0;
if (!tc->getMemProxy().tryReadString(path, p->getSyscallArg(tc, index)))
return (TheISA::IntReg)-EFAULT;
@@ -852,10 +859,9 @@
}
SyscallReturn
-accessFunc(SyscallDesc *desc, int callnum, LiveProcess *p, ThreadContext *tc)
+accessFunc(SyscallDesc *desc, int callnum, LiveProcess *p, ThreadContext *tc,
+ int index)
{
- int index = 0;
-
string path;
if (!tc->getMemProxy().tryReadString(path, p->getSyscallArg(tc, index)))
return (TheISA::IntReg)-EFAULT;
@@ -868,3 +874,10 @@
int result = access(path.c_str(), mode);
return (result == -1) ? -errno : result;
}
+
+SyscallReturn
+accessFunc(SyscallDesc *desc, int callnum, LiveProcess *p, ThreadContext *tc)
+{
+ return accessFunc(desc, callnum, p, tc, 0);
+}
+
