aarch64 bfd.h tidy

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.
	* bfd-in2.h: Regenerate.
ld/
	* emultempl/aarch64elf.em: Include elfxx-aarch64.h.
This commit is contained in:
Alan Modra 2019-09-23 10:04:50 +09:30
parent c348479ddd
commit a8bfaadbb4
9 changed files with 119 additions and 172 deletions

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@ -1,3 +1,12 @@
2019-09-23 Alan Modra <amodra@gmail.com>
* 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.
* bfd-in2.h: Regenerate.
2019-09-23 Alan Modra <amodra@gmail.com>
* bfd-in.h: Delete ticoff function declarations.

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@ -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 *);

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@ -914,92 +914,6 @@ 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 *);
/* Extracted from init.c. */
unsigned int bfd_init (void);

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@ -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

25
bfd/cpu-aarch64.h Normal file
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@ -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);

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@ -144,6 +144,7 @@
#include "objalloc.h"
#include "elf/aarch64.h"
#include "elfxx-aarch64.h"
#include "cpu-aarch64.h"
#define ARCH_SIZE NN

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@ -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)

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@ -1,3 +1,7 @@
2019-09-23 Alan Modra <amodra@gmail.com>
* emultempl/aarch64elf.em: Include elfxx-aarch64.h.
2019-09-23 Alan Modra <amodra@gmail.com>
* emultempl/ia64elf.em: Include elfxx-ia64.h.

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@ -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;