btrace: split record_btrace_step_thread

[deliverable/binutils-gdb.git] / gdb / alpha-tdep.c

diff --git a/gdb/alpha-tdep.c b/gdb/alpha-tdep.c
index 7696b42e124d120749d424a05827d7ef4e11c29f..765409687d9d9b6624541ec59056ad9b90b8d375 100644 (file)
--- a/gdb/alpha-tdep.c
+++ b/gdb/alpha-tdep.c
@@ -1,6 +1,6 @@
 /* Target-dependent code for the ALPHA architecture, for GDB, the GNU Debugger.
 
-   Copyright (C) 1993-2013 Free Software Foundation, Inc.
+   Copyright (C) 1993-2015 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -31,7 +31,6 @@
 #include "dis-asm.h"
 #include "symfile.h"
 #include "objfiles.h"
-#include "gdb_string.h"
 #include "linespec.h"
 #include "regcache.h"
 #include "reggroups.h"
@@ -306,8 +305,7 @@ alpha_push_dummy_call (struct gdbarch *gdbarch, struct value *function,
       int len;
       int offset;
     };
-  struct alpha_arg *alpha_args
-    = (struct alpha_arg *) alloca (nargs * sizeof (struct alpha_arg));
+  struct alpha_arg *alpha_args = XALLOCAVEC (struct alpha_arg, nargs);
   struct alpha_arg *m_arg;
   gdb_byte arg_reg_buffer[ALPHA_REGISTER_SIZE * ALPHA_NUM_ARG_REGS];
   int required_arg_regs;
@@ -517,7 +515,7 @@ alpha_extract_return_value (struct type *valtype, struct regcache *regcache,
          break;
 
        case 32:
-         regcache_cooked_read_signed (regcache, ALPHA_V0_REGNUM, &l);
+         regcache_cooked_read_unsigned (regcache, ALPHA_V0_REGNUM, &l);
          read_memory (l, valbuf, 32);
          break;
 
@@ -1750,20 +1748,12 @@ alpha_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
   struct gdbarch_tdep *tdep;
   struct gdbarch *gdbarch;
 
-  /* Try to determine the ABI of the object we are loading.  */
-  if (info.abfd != NULL && info.osabi == GDB_OSABI_UNKNOWN)
-    {
-      /* If it's an ECOFF file, assume it's OSF/1.  */
-      if (bfd_get_flavour (info.abfd) == bfd_target_ecoff_flavour)
-       info.osabi = GDB_OSABI_OSF1;
-    }
-
   /* Find a candidate among extant architectures.  */
   arches = gdbarch_list_lookup_by_info (arches, &info);
   if (arches != NULL)
     return arches->gdbarch;
 
-  tdep = xmalloc (sizeof (struct gdbarch_tdep));
+  tdep = XNEW (struct gdbarch_tdep);
   gdbarch = gdbarch_alloc (&info, tdep);
 
   /* Lowest text address.  This is used by heuristic_proc_start()