GDB 7.6.50

gdb/hppaobsd-tdep.c

 /* Target-dependent code for OpenBSD/hppa
 
-   Copyright (C) 2004-2006, 2008-2012 Free Software Foundation, Inc.
+   Copyright (C) 2004-2013 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 3 of the License, or
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    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, see <http://www.gnu.org/licenses/>.  */
 
 #include "defs.h"
 #include "osabi.h"
 #include "regcache.h"
 #include "regset.h"
 
 #include "gdb_assert.h"
-#include "gdb_string.h"
+#include <string.h>
 
 #include "hppa-tdep.h"
 #include "hppabsd-tdep.h"
 
 /* Core file support.  */
 
 /* Sizeof `struct reg' in <machine/reg.h>.  */
-#define HPPAOBSD_SIZEOF_GREGS   (34 * 4)
+#define HPPAOBSD_SIZEOF_GREGS   (34 * 4) /* OpenBSD 5.1 and earlier.  */
+#define HPPANBSD_SIZEOF_GREGS   (46 * 4) /* NetBSD and OpenBSD 5.2 and later.  */
 
 /* Sizeof `struct fpreg' in <machine/reg.h>.  */
 #define HPPAOBSD_SIZEOF_FPREGS  (32 * 8)
 
 /* Supply register REGNUM from the buffer specified by GREGS and LEN
    in the general-purpose register set REGSET to register cache
    REGCACHE.  If REGNUM is -1, do this for all registers in REGSET.  */
 
 static void
 hppaobsd_supply_gregset (const struct regset *regset,
                          struct regcache *regcache,
                          int regnum, const void *gregs, size_t len)
 {
+  gdb_byte zero[4] = { 0 };
   const gdb_byte *regs = gregs;
   size_t offset;
   int i;
 
   gdb_assert (len >= HPPAOBSD_SIZEOF_GREGS);
 
+  if (regnum == -1 || regnum == HPPA_R0_REGNUM)
+    regcache_raw_supply (regcache, HPPA_R0_REGNUM, &zero);
   for (i = HPPA_R1_REGNUM, offset = 4; i <= HPPA_R31_REGNUM; i++, offset += 4)
     {
       if (regnum == -1 || regnum == i)
         regcache_raw_supply (regcache, i, regs + offset);
     }
 
-  if (regnum == -1 || regnum == HPPA_SAR_REGNUM)
-    regcache_raw_supply (regcache, HPPA_SAR_REGNUM, regs);
-  if (regnum == -1 || regnum == HPPA_PCOQ_HEAD_REGNUM)
-    regcache_raw_supply (regcache, HPPA_PCOQ_HEAD_REGNUM, regs + 32 * 4);
-  if (regnum == -1 || regnum == HPPA_PCOQ_TAIL_REGNUM)
-    regcache_raw_supply (regcache, HPPA_PCOQ_TAIL_REGNUM, regs + 33 * 4);
+  if (len >= HPPANBSD_SIZEOF_GREGS)
+    {
+      if (regnum == -1 || regnum == HPPA_IPSW_REGNUM)
+        regcache_raw_supply (regcache, HPPA_IPSW_REGNUM, regs);
+      if (regnum == -1 || regnum == HPPA_SAR_REGNUM)
+        regcache_raw_supply (regcache, HPPA_SAR_REGNUM, regs + 32 * 4);
+      if (regnum == -1 || regnum == HPPA_PCSQ_HEAD_REGNUM)
+        regcache_raw_supply (regcache, HPPA_PCSQ_HEAD_REGNUM, regs + 33 * 4);
+      if (regnum == -1 || regnum == HPPA_PCSQ_TAIL_REGNUM)
+        regcache_raw_supply (regcache, HPPA_PCSQ_TAIL_REGNUM, regs + 34 * 4);
+      if (regnum == -1 || regnum == HPPA_PCOQ_HEAD_REGNUM)
+        regcache_raw_supply (regcache, HPPA_PCOQ_HEAD_REGNUM, regs + 35 * 4);
+      if (regnum == -1 || regnum == HPPA_PCOQ_TAIL_REGNUM)
+        regcache_raw_supply (regcache, HPPA_PCOQ_TAIL_REGNUM, regs + 36 * 4);
+      if (regnum == -1 || regnum == HPPA_SR0_REGNUM)
+        regcache_raw_supply (regcache, HPPA_SR0_REGNUM, regs + 37 * 4);
+      if (regnum == -1 || regnum == HPPA_SR1_REGNUM)
+        regcache_raw_supply (regcache, HPPA_SR1_REGNUM, regs + 38 * 4);
+      if (regnum == -1 || regnum == HPPA_SR2_REGNUM)
+        regcache_raw_supply (regcache, HPPA_SR2_REGNUM, regs + 39 * 4);
+      if (regnum == -1 || regnum == HPPA_SR3_REGNUM)
+        regcache_raw_supply (regcache, HPPA_SR3_REGNUM, regs + 40 * 4);
+      if (regnum == -1 || regnum == HPPA_SR4_REGNUM)
+        regcache_raw_supply (regcache, HPPA_SR4_REGNUM, regs + 41 * 4);
+      if (regnum == -1 || regnum == HPPA_SR5_REGNUM)
+        regcache_raw_supply (regcache, HPPA_SR5_REGNUM, regs + 42 * 4);
+      if (regnum == -1 || regnum == HPPA_SR6_REGNUM)
+        regcache_raw_supply (regcache, HPPA_SR6_REGNUM, regs + 43 * 4);
+      if (regnum == -1 || regnum == HPPA_SR7_REGNUM)
+        regcache_raw_supply (regcache, HPPA_SR7_REGNUM, regs + 44 * 4);
+      if (regnum == -1 || regnum == HPPA_CR26_REGNUM)
+        regcache_raw_supply (regcache, HPPA_CR26_REGNUM, regs + 45 * 4);
+      if (regnum == -1 || regnum == HPPA_CR27_REGNUM)
+        regcache_raw_supply (regcache, HPPA_CR27_REGNUM, regs + 46 * 4);
+    }
+  else
+    {
+      if (regnum == -1 || regnum == HPPA_SAR_REGNUM)
+        regcache_raw_supply (regcache, HPPA_SAR_REGNUM, regs);
+      if (regnum == -1 || regnum == HPPA_PCOQ_HEAD_REGNUM)
+        regcache_raw_supply (regcache, HPPA_PCOQ_HEAD_REGNUM, regs + 32 * 4);
+      if (regnum == -1 || regnum == HPPA_PCOQ_TAIL_REGNUM)
+        regcache_raw_supply (regcache, HPPA_PCOQ_TAIL_REGNUM, regs + 33 * 4);
+    }
 }
 
 /* Supply register REGNUM from the buffer specified by FPREGS and LEN
    in the floating-point register set REGSET to register cache
    REGCACHE.  If REGNUM is -1, do this for all registers in REGSET.  */
 
 static void
 hppaobsd_supply_fpregset (const struct regset *regset,
                           struct regcache *regcache,
                           int regnum, const void *fpregs, size_t len)
@@ skipping 77 matching lines @@
 void
 _initialize_hppabsd_tdep (void)
 {
   /* BFD doesn't set a flavour for NetBSD style a.out core files.  */
   gdbarch_register_osabi_sniffer (bfd_arch_hppa, bfd_target_unknown_flavour,
                                   hppaobsd_core_osabi_sniffer);
 
   gdbarch_register_osabi (bfd_arch_hppa, 0, GDB_OSABI_OPENBSD_ELF,
                           hppaobsd_init_abi);
 }