Made changes to shared library support and added more of the support needed

for AIX/IA-64.

1 files changed, 160 insertions, 0 deletions

diff --git a/gdb/ia64-aix-nat.c b/gdb/ia64-aix-nat.c
new file mode 100644
index 0000000..3d74788
--- /dev/null
+++ b/gdb/ia64-aix-nat.c
@@ -0,0 +1,160 @@
+/* Functions specific to running gdb native on IA-64 running AIX.
+   Copyright 2000, 2001 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
+   (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, write to the Free Software
+   Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include "defs.h"
+#include "inferior.h"
+#include "target.h"
+#include "gdbcore.h"
+#include <sys/procfs.h>
+
+#include "symtab.h"
+#include "bfd.h"
+#include "symfile.h"
+#include "objfiles.h"
+
+#include <sys/types.h>
+#include <fcntl.h>
+#include "gdb_stat.h"
+
+void
+supply_gregset (prgregset_t *gregsetp)
+{
+  int regi;
+
+  for (regi = IA64_GR0_REGNUM; regi <= IA64_GR31_REGNUM; regi++)
+    {
+      supply_register (regi, 
+                       (char *) &(gregsetp->__gpr[regi - IA64_GR0_REGNUM]));
+    }
+
+  for (regi = IA64_BR0_REGNUM; regi <= IA64_BR7_REGNUM; regi++)
+    {
+      supply_register (regi, 
+                       (char *) &(gregsetp->__br[regi - IA64_BR0_REGNUM]));
+    }
+
+  supply_register (IA64_PSR_REGNUM, (char *) &(gregsetp->__psr));
+  supply_register (IA64_IP_REGNUM, (char *) &(gregsetp->__ip));
+  supply_register (IA64_CFM_REGNUM, (char *) &(gregsetp->__ifs));
+  supply_register (IA64_RSC_REGNUM, (char *) &(gregsetp->__rsc));
+  supply_register (IA64_BSP_REGNUM, (char *) &(gregsetp->__bsp));
+  supply_register (IA64_BSPSTORE_REGNUM, (char *) &(gregsetp->__bspstore));
+  supply_register (IA64_RNAT_REGNUM, (char *) &(gregsetp->__rnat));
+  supply_register (IA64_PFS_REGNUM, (char *) &(gregsetp->__pfs));
+  supply_register (IA64_UNAT_REGNUM, (char *) &(gregsetp->__unat));
+  supply_register (IA64_PR_REGNUM, (char *) &(gregsetp->__preds));
+  supply_register (IA64_CCV_REGNUM, (char *) &(gregsetp->__ccv));
+  supply_register (IA64_LC_REGNUM, (char *) &(gregsetp->__lc));
+  supply_register (IA64_EC_REGNUM, (char *) &(gregsetp->__ec));
+  /* FIXME: __nats */
+  supply_register (IA64_FPSR_REGNUM, (char *) &(gregsetp->__fpsr));
+
+  /* These (for the most part) are pseudo registers and are obtained
+     by other means.  Those that aren't are already handled by the
+     code above.  */
+  for (regi = IA64_GR32_REGNUM; regi <= IA64_GR127_REGNUM; regi++)
+    register_valid[regi] = 1;
+  for (regi = IA64_PR0_REGNUM; regi <= IA64_PR63_REGNUM; regi++)
+    register_valid[regi] = 1;
+  for (regi = IA64_VFP_REGNUM; regi <= NUM_REGS; regi++)
+    register_valid[regi] = 1;
+}
+
+void
+fill_gregset (prgregset_t *gregsetp, int regno)
+{
+  int regi;
+
+#define COPY_REG(_fld_,_regi_) \
+  if ((regno == -1) || regno == _regi_) \
+    memcpy (&(gregsetp->_fld_), &registers[REGISTER_BYTE (_regi_)], \
+	    REGISTER_RAW_SIZE (_regi_))
+
+  for (regi = IA64_GR0_REGNUM; regi <= IA64_GR31_REGNUM; regi++)
+    {
+      COPY_REG (__gpr[regi - IA64_GR0_REGNUM], regi);
+    }
+
+  for (regi = IA64_BR0_REGNUM; regi <= IA64_BR7_REGNUM; regi++)
+    {
+      COPY_REG (__br[regi - IA64_BR0_REGNUM], regi);
+    }
+  COPY_REG (__psr, IA64_PSR_REGNUM);
+  COPY_REG (__ip, IA64_IP_REGNUM);
+  COPY_REG (__ifs, IA64_CFM_REGNUM);
+  COPY_REG (__rsc, IA64_RSC_REGNUM);
+  COPY_REG (__bsp, IA64_BSP_REGNUM);
+
+  /* Bad things happen if we don't update both bsp and bspstore at the
+     same time.  */
+  if (regno == IA64_BSP_REGNUM || regno == -1)
+    {
+      memcpy (&(gregsetp->__bspstore),
+	      &registers[REGISTER_BYTE (IA64_BSP_REGNUM)],
+	      REGISTER_RAW_SIZE (IA64_BSP_REGNUM));
+      memcpy (&registers[REGISTER_BYTE (IA64_BSPSTORE_REGNUM)],
+	      &registers[REGISTER_BYTE (IA64_BSP_REGNUM)],
+	      REGISTER_RAW_SIZE (IA64_BSP_REGNUM));
+    }
+
+#if 0
+  /* We never actually write to bspstore, or we'd have to do the same thing
+     here too.  */
+  COPY_REG (__bspstore, IA64_BSPSTORE_REGNUM);
+#endif
+  COPY_REG (__rnat, IA64_RNAT_REGNUM);
+  COPY_REG (__pfs, IA64_PFS_REGNUM);
+  COPY_REG (__unat, IA64_UNAT_REGNUM);
+  COPY_REG (__preds, IA64_PR_REGNUM);
+  COPY_REG (__ccv, IA64_CCV_REGNUM);
+  COPY_REG (__lc, IA64_LC_REGNUM);
+  COPY_REG (__ec, IA64_EC_REGNUM);
+  /* FIXME: __nats */
+  COPY_REG (__fpsr, IA64_FPSR_REGNUM);
+#undef COPY_REG
+}
+
+void
+supply_fpregset (prfpregset_t *fpregsetp)
+{
+  register int regi;
+
+  for (regi = IA64_FR0_REGNUM; regi <= IA64_FR127_REGNUM; regi++)
+    supply_register (regi, 
+                     (char *) &(fpregsetp->__fpr[regi - IA64_FR0_REGNUM]));
+}
+
+void
+fill_fpregset (prfpregset_t *fpregsetp, int regno)
+{
+  int regi;
+  char *to;
+  char *from;
+
+  for (regi = IA64_FR0_REGNUM; regi <= IA64_FR127_REGNUM; regi++)
+    {
+      if ((regno == -1) || (regno == regi))
+	{
+	  from = (char *) &registers[REGISTER_BYTE (regi)];
+	  to = (char *) &(fpregsetp->__fpr[regi - IA64_FR0_REGNUM]);
+	  memcpy (to, from, REGISTER_RAW_SIZE (regi));
+	}
+    }
+}