[PATCH] mips_extract_struct_return_value: use saved regcache

[Michael Snyder <msnyder@cygnus.com>]

(obvious)

2002-09-05  Michael Snyder  <msnyder@redhat.com>

	* mips-tdep.c (mips_extract_struct_value_address): Retrieve 
	V0_REGNUM from saved regcache, not from current regcache.

Index: mips-tdep.c
===================================================================
RCS file: /cvs/src/src/gdb/mips-tdep.c,v
retrieving revision 1.119
diff -p -r1.119 mips-tdep.c
*** mips-tdep.c	24 Aug 2002 00:21:35 -0000	1.119
--- mips-tdep.c	5 Sep 2002 18:27:42 -0000
*************** mips_store_struct_return (CORE_ADDR addr
*** 4906,4917 ****
  }
  
  static CORE_ADDR
! mips_extract_struct_value_address (struct regcache *ignore)
  {
    /* FIXME: This will only work at random.  The caller passes the
       struct_return address in V0, but it is not preserved.  It may
       still be there, or this may be a random value.  */
!   return read_register (V0_REGNUM);
  }
  
  /* Exported procedure: Is PC in the signal trampoline code */
--- 4902,4915 ----
  }
  
  static CORE_ADDR
! mips_extract_struct_value_address (struct regcache *regcache)
  {
    /* FIXME: This will only work at random.  The caller passes the
       struct_return address in V0, but it is not preserved.  It may
       still be there, or this may be a random value.  */
!   CORE_ADDR val;
!   regcache_cooked_read_unsigned (regcache, V0_REGNUM, &val);
!   return val;
  }
  
  /* Exported procedure: Is PC in the signal trampoline code */