X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Fsparc64fbsd-nat.c;h=f7c755a3d57175234294ca24d2dfc64120fced86;hb=8b07ae33f0743a5dbad03cb4a76987f6db7fc38c;hp=26c58d8d13bb8da07c5da149960e08af13ebf895;hpb=3567a8eaa2eac49fa28b7a0d8a1572280c5e8bc2;p=deliverable%2Fbinutils-gdb.git
diff --git a/gdb/sparc64fbsd-nat.c b/gdb/sparc64fbsd-nat.c
index 26c58d8d13..f7c755a3d5 100644
--- a/gdb/sparc64fbsd-nat.c
+++ b/gdb/sparc64fbsd-nat.c
@@ -1,12 +1,13 @@
/* Native-dependent code for FreeBSD/sparc64.
- Copyright 2003 Free Software Foundation, Inc.
+ Copyright (C) 2003, 2004, 2005, 2007, 2008, 2009, 2010
+ Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
@@ -15,54 +16,50 @@
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ along with this program. If not, see . */
#include "defs.h"
+#include "regcache.h"
+#include "target.h"
+#include "fbsd-nat.h"
#include "sparc64-tdep.h"
-#include "sparcbsd-nat.h"
+#include "sparc-nat.h"
+
-/* Determine whether `struct reg' contains register REGNUM. */
+/* Support for debugging kernel virtual memory images. */
-static int
-sparc64fbsd_reg_supplies_p (int regnum)
-{
- /* Integer registers. */
- if ((regnum >= SPARC_G0_REGNUM && regnum <= SPARC_G7_REGNUM)
- || (regnum >= SPARC_O0_REGNUM && regnum <= SPARC_O7_REGNUM)
- || (regnum >= SPARC_L0_REGNUM && regnum <= SPARC_L7_REGNUM)
- || (regnum >= SPARC_I0_REGNUM && regnum <= SPARC_I7_REGNUM))
- return 1;
-
- /* Control registers. */
- if (regnum == SPARC64_PC_REGNUM
- || regnum == SPARC64_NPC_REGNUM
- || regnum == SPARC64_STATE_REGNUM
- || regnum == SPARC64_FPRS_REGNUM
- || regnum == SPARC64_Y_REGNUM)
- return 1;
-
- return 0;
-}
+#include
+#include
-/* Determine whether `struct fpreg' contains register REGNUM. */
+#include "bsd-kvm.h"
static int
-sparc64fbsd_fpreg_supplies_p (int regnum)
+sparc64fbsd_kvm_supply_pcb (struct regcache *regcache, struct pcb *pcb)
{
- /* Floating-point registers. */
- if ((regnum >= SPARC_F0_REGNUM && regnum <= SPARC_F31_REGNUM)
- || (regnum >= SPARC64_F32_REGNUM && regnum <= SPARC64_F62_REGNUM))
- return 1;
+ /* The following is true for FreeBSD 5.4:
+
+ The pcb contains %sp and %pc. Since the register windows are
+ explicitly flushed, we can find the `local' and `in' registers on
+ the stack. */
+
+ /* The stack pointer shouldn't be zero. */
+ if (pcb->pcb_sp == 0)
+ return 0;
- /* Control registers. */
- if (regnum == SPARC64_FSR_REGNUM)
- return 1;
+ regcache_raw_supply (regcache, SPARC_SP_REGNUM, &pcb->pcb_sp);
+ regcache_raw_supply (regcache, SPARC64_PC_REGNUM, &pcb->pcb_pc);
- return 0;
+ /* Synthesize %npc. */
+ pcb->pcb_pc += 4;
+ regcache_raw_supply (regcache, SPARC64_NPC_REGNUM, &pcb->pcb_pc);
+
+ /* Read `local' and `in' registers from the stack. */
+ sparc_supply_rwindow (regcache, pcb->pcb_sp, -1);
+
+ return 1;
}
+
/* Provide a prototype to silence -Wmissing-prototypes. */
void _initialize_sparc64fbsd_nat (void);
@@ -70,11 +67,17 @@ void _initialize_sparc64fbsd_nat (void);
void
_initialize_sparc64fbsd_nat (void)
{
- sparcbsd_supply_reg = sparc64fbsd_supply_reg;
- sparcbsd_fill_reg = sparc64fbsd_fill_reg;
- sparcbsd_supply_fpreg = sparc64fbsd_supply_fpreg;
- sparcbsd_fill_fpreg = sparc64fbsd_fill_fpreg;
+ struct target_ops *t;
+
+ /* Add some extra features to the generic SPARC target. */
+ t = sparc_target ();
+ t->to_pid_to_exec_file = fbsd_pid_to_exec_file;
+ t->to_find_memory_regions = fbsd_find_memory_regions;
+ t->to_make_corefile_notes = fbsd_make_corefile_notes;
+ add_target (t);
+
+ sparc_gregset = &sparc64fbsd_gregset;
- sparcbsd_reg_supplies_p = sparc64fbsd_reg_supplies_p;
- sparcbsd_fpreg_supplies_p = sparc64fbsd_fpreg_supplies_p;
+ /* Support debugging kernel virtual memory images. */
+ bsd_kvm_add_target (sparc64fbsd_kvm_supply_pcb);
}