sycalls: implement mremap() and add DATA flag for getrlimit(). mremap has been tested on Alpha, compiles for the rest but not tested. I don't see why it wouldn't work though.

2 files changed, 8 insertions, 2 deletions

diff --git a/src/arch/sparc/linux/syscalls.cc b/src/arch/sparc/linux/syscalls.cc
index 2845f7bec..3e8c603cd 100644
--- a/src/arch/sparc/linux/syscalls.cc
+++ b/src/arch/sparc/linux/syscalls.cc
@@ -339,7 +339,7 @@ SyscallDesc SparcLinuxProcess::syscall32Descs[] = {
     /* 247 */ SyscallDesc("sched_get_priority_min", unimplementedFunc), //32 bit
     /* 248 */ SyscallDesc("sched_rr_get_interval", unimplementedFunc), //32 bit
     /* 249 */ SyscallDesc("nanosleep", unimplementedFunc),
-    /* 250 */ SyscallDesc("mremap", unimplementedFunc), //32 bit
+    /* 250 */ SyscallDesc("mremap", mremapFunc<Sparc32Linux>), //32 bit
     /* 251 */ SyscallDesc("_sysctl", unimplementedFunc), //32 bit
     /* 252 */ SyscallDesc("getsid", unimplementedFunc), //32 bit
     /* 253 */ SyscallDesc("fdatasync", unimplementedFunc),
@@ -642,7 +642,7 @@ SyscallDesc SparcLinuxProcess::syscallDescs[] = {
     /* 247 */ SyscallDesc("sched_get_priority_min", unimplementedFunc),
     /* 248 */ SyscallDesc("sched_rr_get_interval", unimplementedFunc),
     /* 249 */ SyscallDesc("nanosleep", unimplementedFunc),
-    /* 250 */ SyscallDesc("mremap", unimplementedFunc),
+    /* 250 */ SyscallDesc("mremap", mremapFunc<SparcLinux>),
     /* 251 */ SyscallDesc("_sysctl", unimplementedFunc),
     /* 252 */ SyscallDesc("getsid", unimplementedFunc),
     /* 253 */ SyscallDesc("fdatasync", unimplementedFunc),
diff --git a/src/arch/sparc/pagetable.hh b/src/arch/sparc/pagetable.hh
index ee4ca0c2c..cbdabe4c3 100644
--- a/src/arch/sparc/pagetable.hh
+++ b/src/arch/sparc/pagetable.hh
@@ -266,6 +266,12 @@ struct TlbEntry
         return pte.paddr();
     }
 
+    void
+    updateVaddr(Addr new_vaddr)
+    {
+        range.va = new_vaddr;
+    }
+
     void serialize(std::ostream &os);
     void unserialize(Checkpoint *cp, const std::string &section);
 };