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To: gdb-patches@sources.redhat.com
Subject: RFA: use ppc_gp0_regnum when appropriate
From: Jim Blandy <jimb@redhat.com>
Date: Fri, 07 May 2004 01:19:00 -0000
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2004-05-06  Jim Blandy  <jimb@redhat.com>

	* aix-thread.c (fetch_regs_kernel_thread, fill_gprs64,
	fill_gprs32, store_regs_kernel_thread): Use tdep->ppc_gp0_regnum
	to recognize gpr regnums, instead of assuming that
	tdep->ppc_fp0_regnum marks the end of the general-purpose
	registers.

*** gdb/aix-thread.c	2004-05-06 14:18:00.000000000 -0500
--- gdb/aix-thread.c	2004-05-06 14:25:58.000000000 -0500
*************** fetch_regs_kernel_thread (int regno, pth
*** 1157,1163 ****
  	(long) tid, regno, arch64);
  
    /* General-purpose registers.  */
!   if (regno == -1 || regno < tdep->ppc_fp0_regnum)
      {
        if (arch64)
  	{
--- 1157,1165 ----
  	(long) tid, regno, arch64);
  
    /* General-purpose registers.  */
!   if (regno == -1
!       || (tdep->ppc_gp0_regnum <= regno
!           && regno < tdep->ppc_gp0_regnum + ppc_num_gprs))
      {
        if (arch64)
  	{
*************** fill_gprs64 (uint64_t *vals)
*** 1246,1254 ****
    struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
    int regno;
  
!   for (regno = 0; regno < tdep->ppc_fp0_regnum; regno++)
!     if (register_cached (regno))
!       regcache_collect (regno, vals + regno);
  }
  
  static void 
--- 1248,1256 ----
    struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
    int regno;
  
!   for (regno = 0; regno < ppc_num_gprs; regno++)
!     if (register_cached (tdep->ppc_gp0_regnum + regno))
!       regcache_collect (tdep->ppc_gp0_regnum + regno, vals + regno);
  }
  
  static void 
*************** fill_gprs32 (uint32_t *vals)
*** 1257,1265 ****
    struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
    int regno;
  
!   for (regno = 0; regno < tdep->ppc_fp0_regnum; regno++)
!     if (register_cached (regno))
!       regcache_collect (regno, vals + regno);
  }
  
  /* Store the floating point registers into a double array.  */
--- 1259,1267 ----
    struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
    int regno;
  
!   for (regno = 0; regno < ppc_num_gprs; regno++)
!     if (register_cached (tdep->ppc_gp0_regnum + regno))
!       regcache_collect (tdep->ppc_gp0_regnum + regno, vals + regno);
  }
  
  /* Store the floating point registers into a double array.  */
*************** store_regs_kernel_thread (int regno, pth
*** 1456,1462 ****
                          (long) tid, regno);
  
    /* General-purpose registers.  */
!   if (regno == -1 || regno < tdep->ppc_fp0_regnum)
      {
        if (arch64)
  	{
--- 1458,1466 ----
                          (long) tid, regno);
  
    /* General-purpose registers.  */
!   if (regno == -1
!       || (tdep->ppc_gp0_regnum <= regno
!           && regno < tdep->ppc_gp0_regnum + ppc_num_fprs))
      {
        if (arch64)
  	{