[PATCH 07/19] aarch64 bfd.h tidy

[Alan Modra <amodra at gmail dot com>]

bfd/
	* bfd-in.h: Move aarch64 declarations and defines..
	* cpu-aarch64.h: ..to here, new file..
	* elfxx-aarch64.h: ..and here.
	* cpu-aarch64.c: Include cpu-aarch64.h.
	* elfnn-aarch64.c: Likewise.
ld/
	* emultempl/aarch64elf.em: Include elfxx-aarch64.h.

diff --git a/bfd/bfd-in.h b/bfd/bfd-in.h
index 7080fbe970..ed8e47f8a4 100644
--- a/bfd/bfd-in.h
+++ b/bfd/bfd-in.h
@@ -907,89 +907,3 @@ extern bfd_boolean elf32_arm_fix_exidx_coverage
 /* C6x unwind section editing support.  */
 extern bfd_boolean elf32_tic6x_fix_exidx_coverage
 (struct bfd_section **, unsigned int, struct bfd_link_info *, bfd_boolean);
-
-extern void bfd_elf64_aarch64_init_maps
-  (bfd *);
-
-extern void bfd_elf32_aarch64_init_maps
-  (bfd *);
-
-/* Types of PLTs based on the level of security.  This would be a
-   bit-mask to denote which of the combinations of security features
-   are enabled:
-   - No security feature PLTs
-   - PLTs with BTI instruction
-   - PLTs with PAC instruction
-*/
-typedef enum
-{
-  PLT_NORMAL	= 0x0,  /* Normal plts.  */
-  PLT_BTI	= 0x1,  /* plts with bti.  */
-  PLT_PAC	= 0x2,  /* plts with pointer authentication.  */
-  PLT_BTI_PAC	= PLT_BTI | PLT_PAC
-} aarch64_plt_type;
-
-/* To indicate if BTI is enabled with/without warning.  */
-typedef enum
-{
-  BTI_NONE	= 0,  /* BTI is not enabled.  */
-  BTI_WARN	= 1,  /* BTI is enabled with -z force-bti.  */
-} aarch64_enable_bti_type;
-
-/* A structure to encompass all information coming from BTI or PAC
-   related command line options.  This involves the "PLT_TYPE" to determine
-   which version of PLTs to pick and "BTI_TYPE" to determine if
-   BTI should be turned on with any warnings.   */
-typedef struct
-{
-  aarch64_plt_type plt_type;
-  aarch64_enable_bti_type bti_type;
-} aarch64_bti_pac_info;
-
-/* An enum to define what kind of erratum fixes we should apply.  This gives the
-   user a bit more control over the sequences we generate.  */
-typedef enum
-{
-  ERRAT_NONE  = (1 << 0),  /* No erratum workarounds allowed.  */
-  ERRAT_ADR   = (1 << 1),  /* Erratum workarounds using ADR allowed.  */
-  ERRAT_ADRP  = (1 << 2),  /* Erratum workarounds using ADRP are allowed.  */
-} erratum_84319_opts;
-
-extern void bfd_elf64_aarch64_set_options
-  (bfd *, struct bfd_link_info *, int, int, int, int, erratum_84319_opts, int,
-   aarch64_bti_pac_info);
-
-extern void bfd_elf32_aarch64_set_options
-  (bfd *, struct bfd_link_info *, int, int, int, int, erratum_84319_opts, int,
-   aarch64_bti_pac_info);
-
-/* ELF AArch64 mapping symbol support.  */
-#define BFD_AARCH64_SPECIAL_SYM_TYPE_MAP	(1 << 0)
-#define BFD_AARCH64_SPECIAL_SYM_TYPE_TAG	(1 << 1)
-#define BFD_AARCH64_SPECIAL_SYM_TYPE_OTHER	(1 << 2)
-#define BFD_AARCH64_SPECIAL_SYM_TYPE_ANY	(~0)
-extern bfd_boolean bfd_is_aarch64_special_symbol_name
-  (const char * name, int type);
-
-/* AArch64 stub generation support for ELF64.  Called from the linker.  */
-extern int elf64_aarch64_setup_section_lists
-  (bfd *, struct bfd_link_info *);
-extern void elf64_aarch64_next_input_section
-  (struct bfd_link_info *, struct bfd_section *);
-extern bfd_boolean elf64_aarch64_size_stubs
-  (bfd *, bfd *, struct bfd_link_info *, bfd_signed_vma,
-   struct bfd_section * (*) (const char *, struct bfd_section *),
-   void (*) (void));
-extern bfd_boolean elf64_aarch64_build_stubs
-  (struct bfd_link_info *);
-/* AArch64 stub generation support for ELF32.  Called from the linker.  */
-extern int elf32_aarch64_setup_section_lists
-  (bfd *, struct bfd_link_info *);
-extern void elf32_aarch64_next_input_section
-  (struct bfd_link_info *, struct bfd_section *);
-extern bfd_boolean elf32_aarch64_size_stubs
-  (bfd *, bfd *, struct bfd_link_info *, bfd_signed_vma,
-   struct bfd_section * (*) (const char *, struct bfd_section *),
-   void (*) (void));
-extern bfd_boolean elf32_aarch64_build_stubs
-  (struct bfd_link_info *);
diff --git a/bfd/cpu-aarch64.c b/bfd/cpu-aarch64.c
index fbffb79b63..617b7e66c9 100644
--- a/bfd/cpu-aarch64.c
+++ b/bfd/cpu-aarch64.c
@@ -22,6 +22,7 @@
 #include "bfd.h"
 #include "libbfd.h"
 #include "libiberty.h"
+#include "cpu-aarch64.h"
 
 /* This routine is provided two arch_infos and works out which Aarch64
    machine which would be compatible with both and returns a pointer
diff --git a/bfd/cpu-aarch64.h b/bfd/cpu-aarch64.h
new file mode 100644
index 0000000000..01acb1ffe2
--- /dev/null
+++ b/bfd/cpu-aarch64.h
@@ -0,0 +1,25 @@
+/* ELF AArch64 mapping symbol support
+   Copyright (C) 2019 Free Software Foundation, Inc.
+
+   This file is part of BFD, the Binary File Descriptor library.
+
+   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 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; see the file COPYING3. If not,
+   see <http://www.gnu.org/licenses/>.  */
+
+#define BFD_AARCH64_SPECIAL_SYM_TYPE_MAP	(1 << 0)
+#define BFD_AARCH64_SPECIAL_SYM_TYPE_TAG	(1 << 1)
+#define BFD_AARCH64_SPECIAL_SYM_TYPE_OTHER	(1 << 2)
+#define BFD_AARCH64_SPECIAL_SYM_TYPE_ANY	(~0)
+extern bfd_boolean bfd_is_aarch64_special_symbol_name
+  (const char * name, int type);
diff --git a/bfd/elfnn-aarch64.c b/bfd/elfnn-aarch64.c
index 6f3bd0d565..666f6a75f6 100644
--- a/bfd/elfnn-aarch64.c
+++ b/bfd/elfnn-aarch64.c
@@ -144,6 +144,7 @@
 #include "objalloc.h"
 #include "elf/aarch64.h"
 #include "elfxx-aarch64.h"
+#include "cpu-aarch64.h"
 
 #define ARCH_SIZE	NN
 
diff --git a/bfd/elfxx-aarch64.h b/bfd/elfxx-aarch64.h
index f5988529d7..0d91dae261 100644
--- a/bfd/elfxx-aarch64.h
+++ b/bfd/elfxx-aarch64.h
@@ -18,6 +18,84 @@
    along with this program; see the file COPYING3. If not,
    see <http://www.gnu.org/licenses/>.  */
 
+extern void bfd_elf64_aarch64_init_maps
+  (bfd *);
+
+extern void bfd_elf32_aarch64_init_maps
+  (bfd *);
+
+/* Types of PLTs based on the level of security.  This would be a
+   bit-mask to denote which of the combinations of security features
+   are enabled:
+   - No security feature PLTs
+   - PLTs with BTI instruction
+   - PLTs with PAC instruction
+*/
+typedef enum
+{
+  PLT_NORMAL	= 0x0,  /* Normal plts.  */
+  PLT_BTI	= 0x1,  /* plts with bti.  */
+  PLT_PAC	= 0x2,  /* plts with pointer authentication.  */
+  PLT_BTI_PAC	= PLT_BTI | PLT_PAC
+} aarch64_plt_type;
+
+/* To indicate if BTI is enabled with/without warning.  */
+typedef enum
+{
+  BTI_NONE	= 0,  /* BTI is not enabled.  */
+  BTI_WARN	= 1,  /* BTI is enabled with -z force-bti.  */
+} aarch64_enable_bti_type;
+
+/* A structure to encompass all information coming from BTI or PAC
+   related command line options.  This involves the "PLT_TYPE" to determine
+   which version of PLTs to pick and "BTI_TYPE" to determine if
+   BTI should be turned on with any warnings.   */
+typedef struct
+{
+  aarch64_plt_type plt_type;
+  aarch64_enable_bti_type bti_type;
+} aarch64_bti_pac_info;
+
+/* An enum to define what kind of erratum fixes we should apply.  This gives the
+   user a bit more control over the sequences we generate.  */
+typedef enum
+{
+  ERRAT_NONE  = (1 << 0),  /* No erratum workarounds allowed.  */
+  ERRAT_ADR   = (1 << 1),  /* Erratum workarounds using ADR allowed.  */
+  ERRAT_ADRP  = (1 << 2),  /* Erratum workarounds using ADRP are allowed.  */
+} erratum_84319_opts;
+
+extern void bfd_elf64_aarch64_set_options
+  (bfd *, struct bfd_link_info *, int, int, int, int, erratum_84319_opts, int,
+   aarch64_bti_pac_info);
+
+extern void bfd_elf32_aarch64_set_options
+  (bfd *, struct bfd_link_info *, int, int, int, int, erratum_84319_opts, int,
+   aarch64_bti_pac_info);
+
+/* AArch64 stub generation support for ELF64.  Called from the linker.  */
+extern int elf64_aarch64_setup_section_lists
+  (bfd *, struct bfd_link_info *);
+extern void elf64_aarch64_next_input_section
+  (struct bfd_link_info *, struct bfd_section *);
+extern bfd_boolean elf64_aarch64_size_stubs
+  (bfd *, bfd *, struct bfd_link_info *, bfd_signed_vma,
+   struct bfd_section * (*) (const char *, struct bfd_section *),
+   void (*) (void));
+extern bfd_boolean elf64_aarch64_build_stubs
+  (struct bfd_link_info *);
+/* AArch64 stub generation support for ELF32.  Called from the linker.  */
+extern int elf32_aarch64_setup_section_lists
+  (bfd *, struct bfd_link_info *);
+extern void elf32_aarch64_next_input_section
+  (struct bfd_link_info *, struct bfd_section *);
+extern bfd_boolean elf32_aarch64_size_stubs
+  (bfd *, bfd *, struct bfd_link_info *, bfd_signed_vma,
+   struct bfd_section * (*) (const char *, struct bfd_section *),
+   void (*) (void));
+extern bfd_boolean elf32_aarch64_build_stubs
+  (struct bfd_link_info *);
+
 /* Take the PAGE component of an address or offset.  */
 #define PG(x)	     ((x) & ~ (bfd_vma) 0xfff)
 #define PG_OFFSET(x) ((x) &   (bfd_vma) 0xfff)
diff --git a/ld/emultempl/aarch64elf.em b/ld/emultempl/aarch64elf.em
index 208d169404..f4baf50895 100644
--- a/ld/emultempl/aarch64elf.em
+++ b/ld/emultempl/aarch64elf.em
@@ -26,6 +26,7 @@ fragment <<EOF
 
 #include "ldctor.h"
 #include "elf/aarch64.h"
+#include "elfxx-aarch64.h"
 
 static int no_enum_size_warning = 0;
 static int no_wchar_size_warning = 0;