X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Falphabsd-nat.c;h=39dab2523a5cbb098d0bb49f09e816ad09076dd4;hb=ad3bbd48b65047845b258564db3fd2e64e00c7bc;hp=36b45dda79ec447641a33bb5dd57084b22a6810f;hpb=edefbb7cc7b16bbfb0c831344d8edcdf483ec5a4;p=deliverable%2Fbinutils-gdb.git
diff --git a/gdb/alphabsd-nat.c b/gdb/alphabsd-nat.c
index 36b45dda79..39dab2523a 100644
--- a/gdb/alphabsd-nat.c
+++ b/gdb/alphabsd-nat.c
@@ -1,12 +1,13 @@
/* Native-dependent code for Alpha BSD's.
- Copyright 2000, 2001, 2002, 2004 Free Software Foundation, Inc.
+ Copyright (C) 2000, 2001, 2002, 2004, 2005, 2006, 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,
@@ -15,9 +16,7 @@
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 "inferior.h"
@@ -25,6 +24,7 @@
#include "alpha-tdep.h"
#include "alphabsd-tdep.h"
+#include "inf-ptrace.h"
#include
#include
@@ -48,27 +48,27 @@ typedef struct fpreg fpregset_t;
supply/fill routines. */
void
-supply_gregset (gregset_t *gregsetp)
+supply_gregset (struct regcache *regcache, const gregset_t *gregsetp)
{
- alphabsd_supply_reg ((char *) gregsetp, -1);
+ alphabsd_supply_reg (regcache, (const char *) gregsetp, -1);
}
void
-fill_gregset (gregset_t *gregsetp, int regno)
+fill_gregset (const struct regcache *regcache, gregset_t *gregsetp, int regno)
{
- alphabsd_fill_reg ((char *) gregsetp, regno);
+ alphabsd_fill_reg (regcache, (char *) gregsetp, regno);
}
void
-supply_fpregset (fpregset_t *fpregsetp)
+supply_fpregset (struct regcache *regcache, const fpregset_t *fpregsetp)
{
- alphabsd_supply_fpreg ((char *) fpregsetp, -1);
+ alphabsd_supply_fpreg (regcache, (const char *) fpregsetp, -1);
}
void
-fill_fpregset (fpregset_t *fpregsetp, int regno)
+fill_fpregset (const struct regcache *regcache, fpregset_t *fpregsetp, int regno)
{
- alphabsd_fill_fpreg ((char *) fpregsetp, regno);
+ alphabsd_fill_fpreg (regcache, (char *) fpregsetp, regno);
}
/* Determine if PT_GETREGS fetches this register. */
@@ -83,8 +83,9 @@ getregs_supplies (int regno)
/* Fetch register REGNO from the inferior. If REGNO is -1, do this
for all registers (including the floating point registers). */
-void
-fetch_inferior_registers (int regno)
+static void
+alphabsd_fetch_inferior_registers (struct target_ops *ops,
+ struct regcache *regcache, int regno)
{
if (regno == -1 || getregs_supplies (regno))
{
@@ -94,12 +95,12 @@ fetch_inferior_registers (int regno)
(PTRACE_TYPE_ARG3) &gregs, 0) == -1)
perror_with_name (_("Couldn't get registers"));
- alphabsd_supply_reg ((char *) &gregs, regno);
+ alphabsd_supply_reg (regcache, (char *) &gregs, regno);
if (regno != -1)
return;
}
- if (regno == -1 || regno >= FP0_REGNUM)
+ if (regno == -1 || regno >= gdbarch_fp0_regnum (get_regcache_arch (regcache)))
{
struct fpreg fpregs;
@@ -107,15 +108,16 @@ fetch_inferior_registers (int regno)
(PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
perror_with_name (_("Couldn't get floating point status"));
- alphabsd_supply_fpreg ((char *) &fpregs, regno);
+ alphabsd_supply_fpreg (regcache, (char *) &fpregs, regno);
}
}
/* Store register REGNO back into the inferior. If REGNO is -1, do
this for all registers (including the floating point registers). */
-void
-store_inferior_registers (int regno)
+static void
+alphabsd_store_inferior_registers (struct target_ops *ops,
+ struct regcache *regcache, int regno)
{
if (regno == -1 || getregs_supplies (regno))
{
@@ -124,7 +126,7 @@ store_inferior_registers (int regno)
(PTRACE_TYPE_ARG3) &gregs, 0) == -1)
perror_with_name (_("Couldn't get registers"));
- alphabsd_fill_reg ((char *) &gregs, regno);
+ alphabsd_fill_reg (regcache, (char *) &gregs, regno);
if (ptrace (PT_SETREGS, PIDGET (inferior_ptid),
(PTRACE_TYPE_ARG3) &gregs, 0) == -1)
@@ -134,7 +136,7 @@ store_inferior_registers (int regno)
return;
}
- if (regno == -1 || regno >= FP0_REGNUM)
+ if (regno == -1 || regno >= gdbarch_fp0_regnum (get_regcache_arch (regcache)))
{
struct fpreg fpregs;
@@ -142,10 +144,61 @@ store_inferior_registers (int regno)
(PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
perror_with_name (_("Couldn't get floating point status"));
- alphabsd_fill_fpreg ((char *) &fpregs, regno);
+ alphabsd_fill_fpreg (regcache, (char *) &fpregs, regno);
if (ptrace (PT_SETFPREGS, PIDGET (inferior_ptid),
(PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
perror_with_name (_("Couldn't write floating point status"));
}
}
+
+
+/* Support for debugging kernel virtual memory images. */
+
+#include
+#include
+#include
+
+#include "bsd-kvm.h"
+
+static int
+alphabsd_supply_pcb (struct regcache *regcache, struct pcb *pcb)
+{
+ int regnum;
+
+ /* The following is true for OpenBSD 3.9:
+
+ The pcb contains the register state at the context switch inside
+ cpu_switch(). */
+
+ /* The stack pointer shouldn't be zero. */
+ if (pcb->pcb_hw.apcb_ksp == 0)
+ return 0;
+
+ regcache_raw_supply (regcache, ALPHA_SP_REGNUM, &pcb->pcb_hw.apcb_ksp);
+
+ for (regnum = ALPHA_S0_REGNUM; regnum < ALPHA_A0_REGNUM; regnum++)
+ regcache_raw_supply (regcache, regnum,
+ &pcb->pcb_context[regnum - ALPHA_S0_REGNUM]);
+ regcache_raw_supply (regcache, ALPHA_RA_REGNUM, &pcb->pcb_context[7]);
+
+ return 1;
+}
+
+
+/* Provide a prototype to silence -Wmissing-prototypes. */
+void _initialize_alphabsd_nat (void);
+
+void
+_initialize_alphabsd_nat (void)
+{
+ struct target_ops *t;
+
+ t = inf_ptrace_target ();
+ t->to_fetch_registers = alphabsd_fetch_inferior_registers;
+ t->to_store_registers = alphabsd_store_inferior_registers;
+ add_target (t);
+
+ /* Support debugging kernel virtual memory images. */
+ bsd_kvm_add_target (alphabsd_supply_pcb);
+}