Modernize configure.ac's

[deliverable/binutils-gdb.git] / gdb / arch-utils.c

diff --git a/gdb/arch-utils.c b/gdb/arch-utils.c
index 33d5543101c95feebfec71c812ba95420d1d6024..fe64627825389a985a327043c7b006dcfd65e476 100644 (file)
--- a/gdb/arch-utils.c
+++ b/gdb/arch-utils.c
@@ -1,6 +1,6 @@
 /* Dynamic architecture support for GDB, the GNU debugger.
 
-   Copyright (C) 1998-2014 Free Software Foundation, Inc.
+   Copyright (C) 1998-2016 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -44,7 +44,7 @@ simple_displaced_step_copy_insn (struct gdbarch *gdbarch,
                                  struct regcache *regs)
 {
   size_t len = gdbarch_max_insn_length (gdbarch);
-  gdb_byte *buf = xmalloc (len);
+  gdb_byte *buf = (gdb_byte *) xmalloc (len);
 
   read_memory (from, buf, len);
   write_memory (to, buf, len);
@@ -127,7 +127,7 @@ generic_in_solib_return_trampoline (struct gdbarch *gdbarch,
 }
 
 int
-generic_in_function_epilogue_p (struct gdbarch *gdbarch, CORE_ADDR pc)
+generic_stack_frame_destroyed_p (struct gdbarch *gdbarch, CORE_ADDR pc)
 {
   return 0;
 }
@@ -273,7 +273,7 @@ default_vsyscall_range (struct gdbarch *gdbarch, struct mem_range *range)
 \f
 /* Functions to manipulate the endianness of the target.  */
 
-static int target_byte_order_user = BFD_ENDIAN_UNKNOWN;
+static enum bfd_endian target_byte_order_user = BFD_ENDIAN_UNKNOWN;
 
 static const char endian_big[] = "big";
 static const char endian_little[] = "little";
@@ -603,7 +603,7 @@ static const bfd_target *default_bfd_vec = &DEFAULT_BFD_VEC;
 static const bfd_target *default_bfd_vec;
 #endif
 
-static int default_byte_order = BFD_ENDIAN_UNKNOWN;
+static enum bfd_endian default_byte_order = BFD_ENDIAN_UNKNOWN;
 
 void
 initialize_current_architecture (void)
@@ -661,7 +661,7 @@ initialize_current_architecture (void)
       chp = strchr (target_name, '-');
       if (chp != NULL
          && chp - 2 >= target_name
-         && strncmp (chp - 2, "el", 2) == 0)
+         && startswith (chp - 2, "el"))
        default_byte_order = BFD_ENDIAN_LITTLE;
     }
   if (default_byte_order == BFD_ENDIAN_UNKNOWN)
@@ -684,7 +684,7 @@ initialize_current_architecture (void)
     /* Append ``auto''.  */
     int nr;
     for (nr = 0; arches[nr] != NULL; nr++);
-    arches = xrealloc (arches, sizeof (char*) * (nr + 2));
+    arches = XRESIZEVEC (const char *, arches, nr + 2);
     arches[nr + 0] = "auto";
     arches[nr + 1] = NULL;
     add_setshow_enum_cmd ("architecture", class_support,
@@ -795,8 +795,8 @@ default_has_shared_address_space (struct gdbarch *gdbarch)
 }
 
 int
-default_fast_tracepoint_valid_at (struct gdbarch *gdbarch,
-                                 CORE_ADDR addr, int *isize, char **msg)
+default_fast_tracepoint_valid_at (struct gdbarch *gdbarch, CORE_ADDR addr,
+                                 char **msg)
 {
   /* We don't know if maybe the target has some way to do fast
      tracepoints that doesn't need gdbarch, so always say yes.  */
@@ -858,6 +858,45 @@ default_skip_permanent_breakpoint (struct regcache *regcache)
   regcache_write_pc (regcache, current_pc);
 }
 
+CORE_ADDR
+default_infcall_mmap (CORE_ADDR size, unsigned prot)
+{
+  error (_("This target does not support inferior memory allocation by mmap."));
+}
+
+void
+default_infcall_munmap (CORE_ADDR addr, CORE_ADDR size)
+{
+  /* Memory reserved by inferior mmap is kept leaked.  */
+}
+
+/* -mcmodel=large is used so that no GOT (Global Offset Table) is needed to be
+   created in inferior memory by GDB (normally it is set by ld.so).  */
+
+char *
+default_gcc_target_options (struct gdbarch *gdbarch)
+{
+  return xstrprintf ("-m%d%s", gdbarch_ptr_bit (gdbarch),
+                    gdbarch_ptr_bit (gdbarch) == 64 ? " -mcmodel=large" : "");
+}
+
+/* gdbarch gnu_triplet_regexp method.  */
+
+const char *
+default_gnu_triplet_regexp (struct gdbarch *gdbarch)
+{
+  return gdbarch_bfd_arch_info (gdbarch)->arch_name;
+}
+
+/* Default method for gdbarch_addressable_memory_unit_size.  By default, a memory byte has
+   a size of 1 octet.  */
+
+int
+default_addressable_memory_unit_size (struct gdbarch *gdbarch)
+{
+  return 1;
+}
+
 /* -Wmissing-prototypes */
 extern initialize_file_ftype _initialize_gdbarch_utils;