test of stack switching

2 files changed, 188 insertions, 0 deletions

diff --git a/translate/grt/config/Makefile b/translate/grt/config/Makefile
new file mode 100644
index 000000000..7d5f57def
--- /dev/null
+++ b/translate/grt/config/Makefile
@@ -0,0 +1,14 @@
+CFLAGS=-Wall -g
+
+#ARCH_OBJS=i386.o linux.o
+ARCH_OBJS=ppc.o linux.o
+
+teststack: teststack.o $(ARCH_OBJS)
+	$(CC) -o $@ $< $(ARCH_OBJS)
+
+ppc.o: ppc.S
+	$(CC) -c -o $@ -g $<
+
+clean:
+	$(RM) -f *.o *~ teststack
+
diff --git a/translate/grt/config/teststack.c b/translate/grt/config/teststack.c
new file mode 100644
index 000000000..6a6966d6f
--- /dev/null
+++ b/translate/grt/config/teststack.c
@@ -0,0 +1,174 @@
+#include <stdlib.h>
+#include <stdio.h>
+
+extern void grt_stack_init (void);
+extern void grt_stack_switch (void *from, void *to);
+extern void *grt_stack_create (void (*func)(void *), void *arg);
+
+int stack_size = 4096;
+int stack_max_size = 8 * 4096;
+
+static void *stack1;
+static void *stack2;
+void *grt_stack_main_stack;
+
+void *grt_cur_proc;
+
+static int step;
+
+void
+grt_overflow_error (void)
+{
+  abort ();
+}
+
+void
+grt_stack_error_null_access (void)
+{
+  abort ();
+}
+
+void
+grt_stack_error_memory_access (void)
+{
+  abort ();
+}
+
+void
+grt_stack_error_grow_failed (void)
+{
+  abort ();
+}
+
+void
+error (void)
+{
+  printf ("Test failure at step %d\n", step);
+  fflush (stdout);
+  exit (1);
+}
+
+static void
+func1 (void *ptr)
+{
+  if (ptr != (void *)1)
+    error ();
+
+  if (step != 0)
+    error ();
+
+  step = 1;
+
+  grt_stack_switch (grt_stack_main_stack, stack1);
+
+  if (step != 5)
+    error ();
+
+  step = 6;
+
+  grt_stack_switch (grt_stack_main_stack, stack1);
+
+  if (step != 7)
+    error ();
+
+  step = 8;
+
+  grt_stack_switch (stack2, stack1);
+
+  if (step != 9)
+    error ();
+
+  step = 10;
+
+  grt_stack_switch (grt_stack_main_stack, stack1);
+
+  error ();
+}
+
+static void
+func2 (void *ptr)
+{
+  if (ptr != (void *)2)
+    error ();
+
+  if (step == 11)
+    {
+      step = 12;
+
+      grt_stack_switch (grt_stack_main_stack, stack2);
+
+      error ();
+    }
+
+  if (step != 1)
+    error ();
+
+  step = 2;
+
+  grt_stack_switch (grt_stack_main_stack, stack2);
+
+  if (step != 3)
+    error ();
+
+  step = 4;
+
+  grt_stack_switch (grt_stack_main_stack, stack2);
+
+  if (step != 8)
+    error ();
+
+  step = 9;
+
+  grt_stack_switch (stack1, stack2);
+}
+
+int
+main (void)
+{
+  grt_stack_init ();
+
+  stack1 = grt_stack_create (&func1, (void *)1);
+  stack2 = grt_stack_create (&func2, (void *)2);
+
+  step = 0;
+  grt_stack_switch (stack1, grt_stack_main_stack);
+
+  if (step != 1)
+    error ();
+
+  grt_stack_switch (stack2, grt_stack_main_stack);
+
+  if (step != 2)
+    error ();
+
+  step = 3;
+
+  grt_stack_switch (stack2, grt_stack_main_stack);
+
+  if (step != 4)
+    error ();
+
+  step = 5;
+
+  grt_stack_switch (stack1, grt_stack_main_stack);
+
+  if (step != 6)
+    error ();
+
+  step = 7;
+
+  grt_stack_switch (stack1, grt_stack_main_stack);
+
+  if (step != 10)
+    error ();
+
+  step = 11;
+
+  grt_stack_switch (stack2, grt_stack_main_stack);
+
+  if (step != 12)
+    error ();
+
+  printf ("Test successful\n");
+  return 0;
+}