From d8c70ba65b13cd023b50b8aed5d91e455017cdd5 Mon Sep 17 00:00:00 2001
From: Chris Johns <chrisj@rtems.org>
Date: Tue, 15 Jan 2019 17:47:41 +1100
Subject: libdl: Add support for trampolines

- Trampolines or fixups for veneers provide long jump support
  for instruciton sets that implement short relative address
  branches. The linker provides trampolines when creating a
  static image. This patch adds trampoline support to libdl
  and the ARM architecture.

- The dl09 test requires enough memory so modules are outside
  the relative branch instruction ranges for the architecture.

Updates #3685
---
 testsuites/libtests/dl01/dl-load.c | 41 +++++++++++++++++++++++++++++++++++++-
 1 file changed, 40 insertions(+), 1 deletion(-)

(limited to 'testsuites/libtests/dl01')

diff --git a/testsuites/libtests/dl01/dl-load.c b/testsuites/libtests/dl01/dl-load.c
index 5438196e67..d93550d15b 100644
--- a/testsuites/libtests/dl01/dl-load.c
+++ b/testsuites/libtests/dl01/dl-load.c
@@ -12,8 +12,41 @@
 
 #include "dl-load.h"
 
-typedef int (*call_t)(int argc, const char* argv[]);
+#include <rtems/rtl/rtl-shell.h>
+#include <rtems/rtl/rtl-trace.h>
+
+#define TEST_TRACE 0
+#if TEST_TRACE
+ #define DEBUG_TRACE (RTEMS_RTL_TRACE_DETAIL | \
+                      RTEMS_RTL_TRACE_WARNING | \
+                      RTEMS_RTL_TRACE_LOAD | \
+                      RTEMS_RTL_TRACE_UNLOAD | \
+                      RTEMS_RTL_TRACE_SYMBOL | \
+                      RTEMS_RTL_TRACE_RELOC | \
+                      RTEMS_RTL_TRACE_ALLOCATOR | \
+                      RTEMS_RTL_TRACE_UNRESOLVED | \
+                      RTEMS_RTL_TRACE_ARCHIVES | \
+                      RTEMS_RTL_TRACE_DEPENDENCY)
+ #define DL_DEBUG_TRACE DEBUG_TRACE /* RTEMS_RTL_TRACE_ALL */
+ #define DL_RTL_CMDS    1
+#else
+ #define DL_DEBUG_TRACE 0
+ #define DL_RTL_CMDS    0
+#endif
+
+static void dl_load_dump (void)
+{
+#if DL_RTL_CMDS
+  char* list[] = { "rtl", "list", NULL };
+  char* sym[] = { "rtl", "sym", NULL };
+  printf ("RTL List:\n");
+  rtems_rtl_shell_command (2, list);
+  printf ("RTL Sym:\n");
+  rtems_rtl_shell_command (2, sym);
+#endif
+}
 
+typedef int (*call_t)(int argc, const char* argv[]);
 
 static const char* call_1[] = { "Line 1", "Line 2" };
 static const char* call_2[] = { "Call 2, line 1",
@@ -28,6 +61,10 @@ int dl_load_test(void)
   int    unresolved;
   char*  message = "loaded";
 
+#if DL_DEBUG_TRACE
+  rtems_rtl_trace_set_mask (DL_DEBUG_TRACE);
+#endif
+
   printf("load: /dl01-o1.o\n");
 
   handle = dlopen ("/dl01-o1.o", RTLD_NOW | RTLD_GLOBAL);
@@ -44,6 +81,8 @@ int dl_load_test(void)
 
   printf ("handle: %p %s\n", handle, message);
 
+  dl_load_dump ();
+
   call = dlsym (handle, "rtems_main");
   if (call == NULL)
   {
-- 
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