Add basic support for AArch64.

[deliverable/binutils-gdb.git] / gdb / linux-nat.c

diff --git a/gdb/linux-nat.c b/gdb/linux-nat.c
index 351656514553334c5a942ccda16878fc213a7ad7..57bca111119eeeee9763d39ecd78d320baec5945 100644 (file)
--- a/gdb/linux-nat.c
+++ b/gdb/linux-nat.c
@@ -1,6 +1,6 @@
 /* GNU/Linux native-dependent code common to multiple platforms.
 
-   Copyright (C) 2001-2012 Free Software Foundation, Inc.
+   Copyright (C) 2001-2013 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -66,6 +66,7 @@
 #include "exceptions.h"
 #include "linux-ptrace.h"
 #include "buffer.h"
+#include "target-descriptions.h"
 
 #ifndef SPUFS_MAGIC
 #define SPUFS_MAGIC 0x23c9b64e
@@ -723,6 +724,8 @@ holding the child stopped.  Try \"set detach-on-fork\" or \
          parent_inf = current_inferior ();
          child_inf->attach_flag = parent_inf->attach_flag;
          copy_terminal_info (child_inf, parent_inf);
+         child_inf->gdbarch = parent_inf->gdbarch;
+         copy_inferior_target_desc_info (child_inf, parent_inf);
 
          old_chain = save_inferior_ptid ();
          save_current_program_space ();
@@ -887,6 +890,8 @@ holding the child stopped.  Try \"set detach-on-fork\" or \
       parent_inf = current_inferior ();
       child_inf->attach_flag = parent_inf->attach_flag;
       copy_terminal_info (child_inf, parent_inf);
+      child_inf->gdbarch = parent_inf->gdbarch;
+      copy_inferior_target_desc_info (child_inf, parent_inf);
 
       parent_pspace = parent_inf->pspace;
 
@@ -4314,7 +4319,7 @@ linux_child_pid_to_exec_file (int pid)
   memset (name2, 0, MAXPATHLEN);
 
   sprintf (name1, "/proc/%d/exe", pid);
-  if (readlink (name1, name2, MAXPATHLEN) > 0)
+  if (readlink (name1, name2, MAXPATHLEN - 1) > 0)
     return name2;
   else
     return name1;
@@ -4371,7 +4376,7 @@ linux_nat_make_corefile_notes (bfd *obfd, int *note_size)
 {
   /* FIXME: uweigand/2011-10-06: Once all GNU/Linux architectures have been
      converted to gdbarch_core_regset_sections, this function can go away.  */
-  return linux_make_corefile_notes (target_gdbarch, obfd, note_size,
+  return linux_make_corefile_notes (target_gdbarch (), obfd, note_size,
                                    linux_nat_collect_thread_registers);
 }
 
@@ -4426,7 +4431,7 @@ linux_proc_xfer_partial (struct target_ops *ops, enum target_object object,
 static LONGEST
 spu_enumerate_spu_ids (int pid, gdb_byte *buf, ULONGEST offset, LONGEST len)
 {
-  enum bfd_endian byte_order = gdbarch_byte_order (target_gdbarch);
+  enum bfd_endian byte_order = gdbarch_byte_order (target_gdbarch ());
   LONGEST pos = 0;
   LONGEST written = 0;
   char path[128];
@@ -4635,7 +4640,7 @@ linux_xfer_partial (struct target_ops *ops, enum target_object object,
 
   if (object == TARGET_OBJECT_MEMORY)
     {
-      int addr_bit = gdbarch_addr_bit (target_gdbarch);
+      int addr_bit = gdbarch_addr_bit (target_gdbarch ());
 
       if (addr_bit < (sizeof (ULONGEST) * HOST_CHAR_BIT))
        offset &= ((ULONGEST) 1 << addr_bit) - 1;
@@ -4971,8 +4976,6 @@ linux_nat_stop_lwp (struct lwp_info *lwp, void *data)
 {
   if (!lwp->stopped)
     {
-      ptid_t ptid = lwp->ptid;
-
       if (debug_linux_nat)
        fprintf_unfiltered (gdb_stdlog,
                            "LNSL: running -> suspending %s\n",