GetArgument: Rework getArgument so that X86_FS compiles again.

When no size is specified for an argument, push the decision about what size
to use into the ISA by passing a size of -1.

2 files changed, 4 insertions, 4 deletions

diff --git a/src/sim/arguments.cc b/src/sim/arguments.cc
index 511fc630d..6d45e3b3d 100644
--- a/src/sim/arguments.cc
+++ b/src/sim/arguments.cc
@@ -50,7 +50,7 @@ Arguments::Data::alloc(size_t size)
 }
 
 uint64_t
-Arguments::getArg(uint8_t size, bool fp)
+Arguments::getArg(uint16_t size, bool fp)
 {
     return TheISA::getArgument(tc, number, size, fp);
 }
diff --git a/src/sim/arguments.hh b/src/sim/arguments.hh
index 97b848e03..ef94cbb25 100644
--- a/src/sim/arguments.hh
+++ b/src/sim/arguments.hh
@@ -45,7 +45,7 @@ class Arguments
   protected:
     ThreadContext *tc;
     int number;
-    uint64_t getArg(uint8_t size, bool fp = false);
+    uint64_t getArg(uint16_t size = (uint16_t)(-1), bool fp = false);
 
   protected:
     class Data : public RefCounted
@@ -82,7 +82,7 @@ class Arguments
 
     // for checking if an argument is NULL
     bool operator!() {
-        return getArg(TheISA::MachineBytes) == 0;
+        return getArg() == 0;
     }
 
     Arguments &operator++() {
@@ -143,7 +143,7 @@ class Arguments
 
     operator char *() {
         char *buf = data->alloc(2048);
-        CopyStringOut(tc, buf, getArg(TheISA::MachineBytes), 2048);
+        CopyStringOut(tc, buf, getArg(), 2048);
         return buf;
     }
 };