Implement Read/Write constraints on system registers on AArch64

[deliverable/binutils-gdb.git] / ld / ldfile.c

diff --git a/ld/ldfile.c b/ld/ldfile.c
index 21bdbf404710ab57e735cd805daf4f9fc9de04d1..a72ff1352642531ad5e60f18c4cc0f970762765b 100644 (file)
--- a/ld/ldfile.c
+++ b/ld/ldfile.c
@@ -1,5 +1,5 @@
 /* Linker file opening and searching.
-   Copyright (C) 1991-2015 Free Software Foundation, Inc.
+   Copyright (C) 1991-2018 Free Software Foundation, Inc.
 
    This file is part of the GNU Binutils.
 
@@ -38,19 +38,19 @@
 #include "plugin.h"
 #endif /* ENABLE_PLUGINS */
 
-bfd_boolean  ldfile_assumed_script = FALSE;
-const char * ldfile_output_machine_name = "";
+bfd_boolean ldfile_assumed_script = FALSE;
+const char *ldfile_output_machine_name = "";
 unsigned long ldfile_output_machine;
 enum bfd_architecture ldfile_output_architecture;
-search_dirs_type * search_head;
+search_dirs_type *search_head;
 
 #ifdef VMS
-static char * slash = "";
+static char *slash = "";
 #else
-#if defined (_WIN32) && ! defined (__CYGWIN32__)
-static char * slash = "\\";
+#if defined (_WIN32) && !defined (__CYGWIN32__)
+static char *slash = "\\";
 #else
-static char * slash = "/";
+static char *slash = "/";
 #endif
 #endif
 
@@ -112,6 +112,8 @@ ldfile_add_library_path (const char *name, bfd_boolean cmdline)
      now.  */
   if (name[0] == '=')
     new_dirs->name = concat (ld_sysroot, name + 1, (const char *) NULL);
+  else if (CONST_STRNEQ (name, "$SYSROOT"))
+    new_dirs->name = concat (ld_sysroot, name + strlen ("$SYSROOT"), (const char *) NULL);
   else
     new_dirs->name = xstrdup (name);
 }
@@ -142,6 +144,9 @@ ldfile_try_open_bfd (const char *attempt,
   /* Linker needs to decompress sections.  */
   entry->the_bfd->flags |= BFD_DECOMPRESS;
 
+  /* This is a linker input BFD.  */
+  entry->the_bfd->is_linker_input = 1;
+
 #ifdef ENABLE_PLUGINS
   if (entry->flags.lto_output)
     entry->the_bfd->lto_output = 1;
@@ -169,12 +174,12 @@ ldfile_try_open_bfd (const char *attempt,
 
       if (check != NULL)
        {
-         if (! bfd_check_format (check, bfd_object))
+         if (!bfd_check_format (check, bfd_object))
            {
              if (check == entry->the_bfd
                  && entry->flags.search_dirs
                  && bfd_get_error () == bfd_error_file_not_recognized
-                 && ! ldemul_unrecognized_file (entry))
+                 && !ldemul_unrecognized_file (entry))
                {
                  int token, skip = 0;
                  char *arg, *arg1, *arg2, *arg3;
@@ -281,9 +286,10 @@ ldfile_try_open_bfd (const char *attempt,
              && !bfd_arch_get_compatible (check, link_info.output_bfd,
                                           command_line.accept_unknown_input_arch)
              /* XCOFF archives can have 32 and 64 bit objects.  */
-             && ! (bfd_get_flavour (check) == bfd_target_xcoff_flavour
-                   && bfd_get_flavour (link_info.output_bfd) == bfd_target_xcoff_flavour
-                   && bfd_check_format (entry->the_bfd, bfd_archive)))
+             && !(bfd_get_flavour (check) == bfd_target_xcoff_flavour
+                  && (bfd_get_flavour (link_info.output_bfd)
+                      == bfd_target_xcoff_flavour)
+                  && bfd_check_format (entry->the_bfd, bfd_archive)))
            {
              if (command_line.warn_search_mismatch)
                einfo (_("%P: skipping incompatible %s "
@@ -330,7 +336,7 @@ ldfile_open_file_search (const char *arch,
 
   /* If this is not an archive, try to open it in the current
      directory first.  */
-  if (! entry->flags.maybe_archive)
+  if (!entry->flags.maybe_archive)
     {
       if (entry->flags.sysrooted && IS_ABSOLUTE_PATH (entry->filename))
        {
@@ -354,7 +360,7 @@ ldfile_open_file_search (const char *arch,
     {
       char *string;
 
-      if (entry->flags.dynamic && ! link_info.relocatable)
+      if (entry->flags.dynamic && !bfd_link_relocatable (&link_info))
        {
          if (ldemul_open_dynamic_archive (arch, search, entry))
            return TRUE;
@@ -390,7 +396,7 @@ ldfile_open_file (lang_input_statement_type *entry)
   if (entry->the_bfd != NULL)
     return;
 
-  if (! entry->flags.search_dirs)
+  if (!entry->flags.search_dirs)
     {
       if (ldfile_try_open_bfd (entry->filename, entry))
        return;
@@ -592,7 +598,7 @@ ldfile_open_command_file_1 (const char *name, bfd_boolean default_only)
   if (ldlex_input_stack == NULL)
     {
       bfd_set_error (bfd_error_system_call);
-      einfo (_("%P%F: cannot open linker script file %s: %E\n"), name);
+      einfo (_("%F%P: cannot open linker script file %s: %E\n"), name);
       return;
     }
 
@@ -624,8 +630,8 @@ void
 ldfile_add_arch (const char *in_name)
 {
   char *name = xstrdup (in_name);
-  search_arch_type *new_arch = (search_arch_type *)
-      xmalloc (sizeof (search_arch_type));
+  search_arch_type *new_arch
+    = (search_arch_type *) xmalloc (sizeof (search_arch_type));
 
   ldfile_output_machine_name = in_name;
 
@@ -657,5 +663,5 @@ ldfile_set_output_arch (const char *string, enum bfd_architecture defarch)
   else if (defarch != bfd_arch_unknown)
     ldfile_output_architecture = defarch;
   else
-    einfo (_("%P%F: cannot represent machine `%s'\n"), string);
+    einfo (_("%F%P: cannot represent machine `%s'\n"), string);
 }