From b25aaa867154306e0cfa6308e1a2b2dfbebb110a Mon Sep 17 00:00:00 2001
From: Peng Fan <van.freenix@gmail.com>
Date: Mon, 22 Jul 2013 00:36:24 +0800
Subject: Sparc testcase

Signed-off-by: Peng Fan <van.freenix@gmail.com>
---
 rtl-mdreloc-sparc.c |  6 ++++++
 testcase/1.c        | 57 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 testcase/2.c        |  8 ++++++++
 testcase/wscript    | 11 +++++++++++
 4 files changed, 82 insertions(+)

diff --git a/rtl-mdreloc-sparc.c b/rtl-mdreloc-sparc.c
index 268d4bf..a96a5ae 100644
--- a/rtl-mdreloc-sparc.c
+++ b/rtl-mdreloc-sparc.c
@@ -97,6 +97,7 @@ static const uint32_t reloc_target_flags[] = {
   _RF_S|_RF_A|  _RF_U|_RF_SZ(32) | _RF_RS(0),    /* UA_32 */
 };
 
+#define NOT_CURRENTLY_USED_BUT_MAYBE_USEFUL
 #ifdef NOT_CURRENTLY_USED_BUT_MAYBE_USEFUL
 static const char *reloc_names[] = {
   "NONE", "RELOC_8", "RELOC_16", "RELOC_32", "DISP_8",
@@ -244,6 +245,11 @@ rtems_rtl_elf_relocate_rela (const rtems_rtl_obj_t*      obj,
     *where |= value;
   }
 
+  if (rtems_rtl_trace (RTEMS_RTL_TRACE_RELOC))
+    printf ("rtl: %s %p @ %p in %s\n",
+            reloc_names[type], (void *)*where, where, rtems_rtl_obj_oname (obj));
+
+
   return true;
 }
 
diff --git a/testcase/1.c b/testcase/1.c
index bfb8d24..91cae0f 100644
--- a/testcase/1.c
+++ b/testcase/1.c
@@ -20,6 +20,15 @@ void hello(int arg)
     case 15:
       printf("PPC ADDR14 'beqa cr7, hello' jump\n");
       break;
+#elif defined (__sparc__)
+    case 22:
+      printf("SPARC WDISP22 'b hello'\n");
+      break;
+    case 13:
+      printf("SPARC 13 'mov hello, %%l4'\n");
+      break;
+#else
+
 #endif
     default:
       printf("no arg in hello\n");
@@ -169,6 +178,54 @@ int rtems(int argc, char **argv)
      "nop\n\t"
       );
 
+#elif defined (__sparc__)
+  __asm__ volatile (
+     "sethi %%hi(1f), %%l5\n\t"
+     "ld [%%l5 + %%lo(1f)], %%l4\n\t"
+     "mov 32, %%l5\n\t"
+     "st %%l5, [%%l4]\n\t"
+     "b 2f\n\t"
+     "nop\n\t"
+     "nop\n\t"
+     "1:\n\t"
+     ".word global\n\t" /* R_SPARC_32 */
+     "2:\n\t"
+     "nop\n\t"
+     "nop\n\t" : : : "l4", "l5");
+
+  if (global == 32)
+    printf("R_SPARC_32: '.word global' pass\n");
+
+  __asm__ volatile (
+     "mov %%o0, %%l4\n\t"
+     "mov 22, %%o0\n\t"
+     "sethi %%hi(3f), %%o7\n\t"
+     "or %%o7, %%lo(3f), %%o7\n\t"
+     "b hello\n\t" /* R_SPARC_WDISP22 */
+     "nop\n\t"
+     "3:\t\n"
+     "nop\n\t"
+     "mov %%l4, %%o0\n\t"
+     "nop\n\t" : : : "o0", "o7"
+      );
+
+  /* R_SPARC_13: Overflow are not checked, Thus
+   * should use assemble language to handle this
+   * to avoid overflow.
+   */
+  __asm__ volatile (
+     "mov hello, %%l4\n\t"
+     "and %%l4, 0x3ff, %%l4\n\t"
+     "sethi %%hi(hello), %%l5\n\t"
+     "or %%l4, %%l5, %%l4\n\t"
+     "mov %%o0, %%l5\n\t"
+     "mov 13, %%o0\n\t"
+     "call hello\n\t"
+     "nop\n\t"
+     "mov %%l5, %%o0\n\t"
+     "nop\n\t": : :
+      );
+
 #else
   /* other archs */
 #endif
diff --git a/testcase/2.c b/testcase/2.c
index cac20fa..84efea1 100644
--- a/testcase/2.c
+++ b/testcase/2.c
@@ -9,6 +9,14 @@ void tst_pc16(void)
 }
 #endif
 
+#if defined (__sparc__)
+void tst_wdisp(void)
+{
+  printf("R_SPARC_DISP22: pass\n");
+  return;
+}
+#endif
+
 int test(int argc, char **argv)
 {
   global = 1; //inter-module data access
diff --git a/testcase/wscript b/testcase/wscript
index 8ece186..2064bb6 100644
--- a/testcase/wscript
+++ b/testcase/wscript
@@ -50,6 +50,17 @@ def build(bld):
                          '--entry', 'my_main', '-a', 'mips'],
       source = ['1.c', '2.c'])
 
+    elif arch == 'sparc':
+      bld(target = 'test.rap',
+      features = 'c rap',
+      xxxx = 'hello',
+
+      cflags = '-fno-common',
+
+      rtems_linkflags = ['--base', 'rtld.prelink',
+                         '--entry', 'my_main'],
+      source = ['1.c', '2.c'])
+
 
     bld(target = '../test.rap',
 				source = ['test.rap'],
-- 
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