Tweak a few things for better page fault debugging.

src/sim/faults.cc:
    Fix fault message.
src/kern/tru64/tru64.hh:
    Add DPRINTF to see where new thread stacks are allocated.
src/arch/alpha/faults.cc:
    Add print statement so we know what the faulting address is in SE mode.

--HG--
extra : convert_revision : 6eb2b513c339496a0d013b7e914953a0a066c12d

1 files changed, 10 insertions, 3 deletions

diff --git a/src/kern/tru64/tru64.hh b/src/kern/tru64/tru64.hh
index 18671c364..9bad6ce09 100644
--- a/src/kern/tru64/tru64.hh
+++ b/src/kern/tru64/tru64.hh
@@ -600,12 +600,19 @@ class Tru64 : public OperatingSystem
             process->next_thread_stack_base -= stack_size;
         }
 
-        stack_base = roundDown(stack_base, VMPageSize);
+        Addr rounded_stack_base = roundDown(stack_base, VMPageSize);
+        Addr rounded_stack_size = roundUp(stack_size, VMPageSize);
+
+        DPRINTF(SyscallVerbose,
+                "stack_create: allocating stack @ %#x size %#x "
+                "(rounded from %#x, %#x)\n",
+                rounded_stack_base, rounded_stack_size,
+                stack_base, stack_size);
 
         // map memory
-        process->pTable->allocate(stack_base, roundUp(stack_size, VMPageSize));
+        process->pTable->allocate(rounded_stack_base, rounded_stack_size);
 
-        argp->address = gtoh(stack_base);
+        argp->address = gtoh(rounded_stack_base);
         argp.copyOut(tc->getMemPort());
 
         return 0;