X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Fnto-tdep.c;h=f519a6ec67ec23babae407cdd7b8984e3f2dbc7b;hb=c14c28ba117dee9fd0bf17fc3437e808221a7829;hp=36556ce08adaa64777c87943d69a708aaa3efe00;hpb=7915a72c7f0c255cfcf47c1b186d3739aeafe4da;p=deliverable%2Fbinutils-gdb.git

diff --git a/gdb/nto-tdep.c b/gdb/nto-tdep.c
index 36556ce08a..f519a6ec67 100644
--- a/gdb/nto-tdep.c
+++ b/gdb/nto-tdep.c
@@ -1,6 +1,6 @@
 /* nto-tdep.c - general QNX Neutrino target functionality.
 
-   Copyright 2003, 2004 Free Software Foundation, Inc.
+   Copyright (C) 2003, 2004, 2007, 2008 Free Software Foundation, Inc.
 
    Contributed by QNX Software Systems Ltd.
 
@@ -8,7 +8,7 @@
 
    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,
@@ -17,10 +17,9 @@
    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 <http://www.gnu.org/licenses/>.  */
 
+#include "defs.h"
 #include "gdb_stat.h"
 #include "gdb_string.h"
 #include "nto-tdep.h"
@@ -33,6 +32,9 @@
 #include "elf-bfd.h"
 #include "solib-svr4.h"
 #include "gdbcore.h"
+#include "objfiles.h"
+
+#include <string.h>
 
 #ifdef __CYGWIN__
 #include <sys/cygwin.h>
@@ -105,21 +107,24 @@ nto_find_and_open_solib (char *solib, unsigned o_flags, char **temp_pathname)
 #define PATH_FMT "%s/lib:%s/usr/lib:%s/usr/photon/lib:%s/usr/photon/dll:%s/lib/dll"
 
   nto_root = nto_target ();
-  if (strcmp (TARGET_ARCHITECTURE->arch_name, "i386") == 0)
+  if (strcmp (gdbarch_bfd_arch_info (target_gdbarch)->arch_name, "i386") == 0)
     {
       arch = "x86";
       endian = "";
     }
-  else if (strcmp (TARGET_ARCHITECTURE->arch_name, "rs6000") == 0
-	   || strcmp (TARGET_ARCHITECTURE->arch_name, "powerpc") == 0)
+  else if (strcmp (gdbarch_bfd_arch_info (target_gdbarch)->arch_name,
+		   "rs6000") == 0
+	   || strcmp (gdbarch_bfd_arch_info (target_gdbarch)->arch_name,
+		   "powerpc") == 0)
     {
       arch = "ppc";
       endian = "be";
     }
   else
     {
-      arch = TARGET_ARCHITECTURE->arch_name;
-      endian = TARGET_BYTE_ORDER == BFD_ENDIAN_BIG ? "be" : "le";
+      arch = gdbarch_bfd_arch_info (target_gdbarch)->arch_name;
+      endian = gdbarch_byte_order (target_gdbarch)
+	       == BFD_ENDIAN_BIG ? "be" : "le";
     }
 
   /* In case nto_root is short, add strlen(solib)
@@ -164,21 +169,24 @@ nto_init_solib_absolute_prefix (void)
   const char *arch;
 
   nto_root = nto_target ();
-  if (strcmp (TARGET_ARCHITECTURE->arch_name, "i386") == 0)
+  if (strcmp (gdbarch_bfd_arch_info (target_gdbarch)->arch_name, "i386") == 0)
     {
       arch = "x86";
       endian = "";
     }
-  else if (strcmp (TARGET_ARCHITECTURE->arch_name, "rs6000") == 0
-	   || strcmp (TARGET_ARCHITECTURE->arch_name, "powerpc") == 0)
+  else if (strcmp (gdbarch_bfd_arch_info (target_gdbarch)->arch_name,
+		   "rs6000") == 0
+	   || strcmp (gdbarch_bfd_arch_info (target_gdbarch)->arch_name,
+		   "powerpc") == 0)
     {
       arch = "ppc";
       endian = "be";
     }
   else
     {
-      arch = TARGET_ARCHITECTURE->arch_name;
-      endian = TARGET_BYTE_ORDER == BFD_ENDIAN_BIG ? "be" : "le";
+      arch = gdbarch_bfd_arch_info (target_gdbarch)->arch_name;
+      endian = gdbarch_byte_order (target_gdbarch)
+	       == BFD_ENDIAN_BIG ? "be" : "le";
     }
 
   sprintf (arch_path, "%s/%s%s", nto_root, arch, endian);
@@ -188,7 +196,8 @@ nto_init_solib_absolute_prefix (void)
 }
 
 char **
-nto_parse_redirection (char *pargv[], char **pin, char **pout, char **perr)
+nto_parse_redirection (char *pargv[], const char **pin, const char **pout, 
+		       const char **perr)
 {
   char **argv;
   char *in, *out, *err, *p;
@@ -244,33 +253,50 @@ nto_parse_redirection (char *pargv[], char **pin, char **pout, char **perr)
    solib-svr4.c to support nto_relocate_section_addresses
    which is different from the svr4 version.  */
 
+/* Link map info to include in an allocated so_list entry */
+
 struct lm_info
-{
-  /* Pointer to copy of link map from inferior.  The type is char *
-     rather than void *, so that we may use byte offsets to find the
-     various fields without the need for a cast.  */
-  char *lm;
-};
+  {
+    /* Pointer to copy of link map from inferior.  The type is char *
+       rather than void *, so that we may use byte offsets to find the
+       various fields without the need for a cast.  */
+    gdb_byte *lm;
+
+    /* Amount by which addresses in the binary should be relocated to
+       match the inferior.  This could most often be taken directly
+       from lm, but when prelinking is involved and the prelink base
+       address changes, we may need a different offset, we want to
+       warn about the difference and compute it only once.  */
+    CORE_ADDR l_addr;
+
+    /* The target location of lm.  */
+    CORE_ADDR lm_addr;
+  };
+
 
 static CORE_ADDR
 LM_ADDR (struct so_list *so)
 {
-  struct link_map_offsets *lmo = nto_fetch_link_map_offsets ();
+  if (so->lm_info->l_addr == (CORE_ADDR)-1)
+    {
+      struct link_map_offsets *lmo = nto_fetch_link_map_offsets ();
+      struct type *ptr_type = builtin_type (target_gdbarch)->builtin_data_ptr;
 
-  return (CORE_ADDR) extract_signed_integer (so->lm_info->lm +
-					     lmo->l_addr_offset,
-					     lmo->l_addr_size);
+      so->lm_info->l_addr =
+	extract_typed_address (so->lm_info->lm + lmo->l_addr_offset, ptr_type);
+    }
+  return so->lm_info->l_addr;
 }
 
 static CORE_ADDR
 nto_truncate_ptr (CORE_ADDR addr)
 {
-  if (TARGET_PTR_BIT == sizeof (CORE_ADDR) * 8)
+  if (gdbarch_ptr_bit (target_gdbarch) == sizeof (CORE_ADDR) * 8)
     /* We don't need to truncate anything, and the bit twiddling below
        will fail due to overflow problems.  */
     return addr;
   else
-    return addr & (((CORE_ADDR) 1 << TARGET_PTR_BIT) - 1);
+    return addr & (((CORE_ADDR) 1 << gdbarch_ptr_bit (target_gdbarch)) - 1);
 }
 
 Elf_Internal_Phdr *
@@ -336,7 +362,7 @@ nto_generic_supply_altregset (const struct regset *regset,
 }
 
 void
-nto_dummy_supply_regset (char *regs)
+nto_dummy_supply_regset (struct regcache *regcache, char *regs)
 {
   /* Do nothing.  */
 }
@@ -382,6 +408,7 @@ Show QNX NTO internal debugging."), _("\
 When non-zero, nto specific debug info is\n\
 displayed. Different information is displayed\n\
 for different positive values."),
+			    NULL,
 			    NULL, /* FIXME: i18n: QNX NTO internal debugging is %s.  */
-			    NULL, NULL, &setdebuglist, &showdebuglist);
+			    &setdebuglist, &showdebuglist);
 }