Fix all failing FPXX tests for tx39-elf.

[platform/upstream/binutils.git] / gdb / alphabsd-nat.c

diff --git a/gdb/alphabsd-nat.c b/gdb/alphabsd-nat.c
index 2b8c96d..00afa8a 100644 (file)
--- a/gdb/alphabsd-nat.c
+++ b/gdb/alphabsd-nat.c
@@ -1,12 +1,12 @@
 /* Native-dependent code for Alpha BSD's.
 
 /* Native-dependent code for Alpha BSD's.
 

-   Copyright (C) 2000, 2001, 2002, 2004, 2005 Free Software Foundation, Inc.
+   Copyright (C) 2000-2014 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
 
    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,
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,


@@ -15,9 +15,7 @@
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
    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., 51 Franklin Street, Fifth Floor,
-   Boston, MA 02110-1301, USA.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

 
 #include "defs.h"
 #include "inferior.h"
 
 #include "defs.h"
 #include "inferior.h"


@@ -49,27 +47,28 @@ typedef struct fpreg fpregset_t;
    supply/fill routines.  */
 
 void
    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
 }
 
 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
 }
 
 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
 }
 
 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);

 }
 \f
 /* Determine if PT_GETREGS fetches this register.  */
 }
 \f
 /* Determine if PT_GETREGS fetches this register.  */


@@ -85,30 +84,32 @@ getregs_supplies (int regno)
    for all registers (including the floating point registers).  */
 
 static void
    for all registers (including the floating point registers).  */
 
 static void

-alphabsd_fetch_inferior_registers (int regno)
+alphabsd_fetch_inferior_registers (struct target_ops *ops,
+                                  struct regcache *regcache, int regno)

 {
   if (regno == -1 || getregs_supplies (regno))
     {
       struct reg gregs;
 
 {
   if (regno == -1 || getregs_supplies (regno))
     {
       struct reg gregs;
 

-      if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
+      if (ptrace (PT_GETREGS, ptid_get_pid (inferior_ptid),

                  (PTRACE_TYPE_ARG3) &gregs, 0) == -1)
        perror_with_name (_("Couldn't get registers"));
 
                  (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)
        return;
     }
 

-  if (regno == -1 || regno >= FP0_REGNUM)
+  if (regno == -1
+      || regno >= gdbarch_fp0_regnum (get_regcache_arch (regcache)))

     {
       struct fpreg fpregs;
 
     {
       struct fpreg fpregs;
 

-      if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid),
+      if (ptrace (PT_GETFPREGS, ptid_get_pid (inferior_ptid),

                  (PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
        perror_with_name (_("Couldn't get floating point status"));
 
                  (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);

     }
 }
 
     }
 }
 


@@ -116,18 +117,19 @@ alphabsd_fetch_inferior_registers (int regno)
    this for all registers (including the floating point registers).  */
 
 static void
    this for all registers (including the floating point registers).  */
 
 static void

-alphabsd_store_inferior_registers (int regno)
+alphabsd_store_inferior_registers (struct target_ops *ops,
+                                  struct regcache *regcache, int regno)

 {
   if (regno == -1 || getregs_supplies (regno))
     {
       struct reg gregs;
 {
   if (regno == -1 || getregs_supplies (regno))
     {
       struct reg gregs;

-      if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
+      if (ptrace (PT_GETREGS, ptid_get_pid (inferior_ptid),

                   (PTRACE_TYPE_ARG3) &gregs, 0) == -1)
         perror_with_name (_("Couldn't get registers"));
 
                   (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),
+      if (ptrace (PT_SETREGS, ptid_get_pid (inferior_ptid),

                   (PTRACE_TYPE_ARG3) &gregs, 0) == -1)
         perror_with_name (_("Couldn't write registers"));
 
                   (PTRACE_TYPE_ARG3) &gregs, 0) == -1)
         perror_with_name (_("Couldn't write registers"));
 


@@ -135,21 +137,55 @@ alphabsd_store_inferior_registers (int regno)
        return;
     }
 
        return;
     }
 

-  if (regno == -1 || regno >= FP0_REGNUM)
+  if (regno == -1
+      || regno >= gdbarch_fp0_regnum (get_regcache_arch (regcache)))

     {
       struct fpreg fpregs;
 
     {
       struct fpreg fpregs;
 

-      if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid),
+      if (ptrace (PT_GETFPREGS, ptid_get_pid (inferior_ptid),

                  (PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
        perror_with_name (_("Couldn't get floating point status"));
 
                  (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),
+      if (ptrace (PT_SETFPREGS, ptid_get_pid (inferior_ptid),

                  (PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
        perror_with_name (_("Couldn't write floating point status"));
     }
 }
                  (PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
        perror_with_name (_("Couldn't write floating point status"));
     }
 }

+\f
+
+/* Support for debugging kernel virtual memory images.  */
+
+#include <sys/signal.h>
+#include <machine/pcb.h>
+
+#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;
+}
+\f

 
 /* Provide a prototype to silence -Wmissing-prototypes.  */
 void _initialize_alphabsd_nat (void);
 
 /* Provide a prototype to silence -Wmissing-prototypes.  */
 void _initialize_alphabsd_nat (void);


@@ -163,4 +199,7 @@ _initialize_alphabsd_nat (void)
   t->to_fetch_registers = alphabsd_fetch_inferior_registers;
   t->to_store_registers = alphabsd_store_inferior_registers;
   add_target (t);
   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);

 }
 }