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[RFA] shared library address patch



The following patch keeps GDB from relocating shared libraries on
mipsel-linux-gnu out of the 32-bit address space.  On researching this, I
noticed Maciej W. Rozycki proposed a similar fix back in July
(see http://sources.redhat.com/ml/gdb-patches/2000-07/msg00260.html)

2001-02-19  Martin M. Hunt  <hunt@redhat.com>

	* solib-svr4.c (LM_ADDR): LM_ADDR is a signed offset, so
	extract_signed_integer() should be called instead of
	extract_address().

Index: solib-svr4.c
===================================================================
RCS file: /cvs/src/src/gdb/solib-svr4.c,v
retrieving revision 1.8
diff -u -p -r1.8 solib-svr4.c
--- solib-svr4.c	2001/02/08 06:03:53	1.8
+++ solib-svr4.c	2001/02/19 23:22:25
@@ -249,7 +249,8 @@ LM_ADDR (struct so_list *so)
 {
   struct link_map_offsets *lmo = SVR4_FETCH_LINK_MAP_OFFSETS ();

-  return extract_address (so->lm_info->lm + lmo->l_addr_offset, lmo->l_addr_size);
+  return (CORE_ADDR) extract_signed_integer (so->lm_info->lm + lmo->l_addr_offset,
+					     lmo->l_addr_size);
 }

 static CORE_ADDR



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