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2cd93e7081
binutils-gdb/bfd/elfxx-aarch64.h
Alan Modra 0a1b45a20e Use bool in bfd 
* sysdep.h: POISON_BFD_BOOLEAN: Define.
	* aix5ppc-core.c, * aout-cris.c, * aout-ns32k.c, * aout-target.h,
	* aoutx.h, * arc-got.h, * archive.c, * archive64.c, * archures.c,
	* bfd-in.h, * bfd.c, * bfdwin.c, * binary.c, * cache.c,
	* coff-alpha.c, * coff-arm.c, * coff-arm.h, * coff-bfd.c,
	* coff-bfd.h, * coff-go32.c, * coff-i386.c, * coff-ia64.c,
	* coff-mcore.c, * coff-mips.c, * coff-rs6000.c, * coff-sh.c,
	* coff-stgo32.c, * coff-tic30.c, * coff-tic4x.c, * coff-tic54x.c,
	* coff-x86_64.c, * coff-z80.c, * coff-z8k.c, * coff64-rs6000.c,
	* coffcode.h, * coffgen.c, * cofflink.c, * compress.c,
	* corefile.c, * cpu-aarch64.c, * cpu-aarch64.h, * cpu-alpha.c,
	* cpu-arc.c, * cpu-arm.c, * cpu-arm.h, * cpu-avr.c, * cpu-bfin.c,
	* cpu-bpf.c, * cpu-cr16.c, * cpu-cris.c, * cpu-crx.c,
	* cpu-csky.c, * cpu-d10v.c, * cpu-d30v.c, * cpu-dlx.c,
	* cpu-epiphany.c, * cpu-fr30.c, * cpu-frv.c, * cpu-ft32.c,
	* cpu-h8300.c, * cpu-hppa.c, * cpu-i386.c, * cpu-ia64.c,
	* cpu-iamcu.c, * cpu-ip2k.c, * cpu-iq2000.c, * cpu-k1om.c,
	* cpu-l1om.c, * cpu-lm32.c, * cpu-m10200.c, * cpu-m10300.c,
	* cpu-m32c.c, * cpu-m32r.c, * cpu-m68hc11.c, * cpu-m68hc12.c,
	* cpu-m68k.c, * cpu-m9s12x.c, * cpu-m9s12xg.c, * cpu-mcore.c,
	* cpu-mep.c, * cpu-metag.c, * cpu-microblaze.c, * cpu-mips.c,
	* cpu-mmix.c, * cpu-moxie.c, * cpu-msp430.c, * cpu-mt.c,
	* cpu-nds32.c, * cpu-nfp.c, * cpu-nios2.c, * cpu-ns32k.c,
	* cpu-or1k.c, * cpu-pdp11.c, * cpu-pj.c, * cpu-powerpc.c,
	* cpu-pru.c, * cpu-riscv.c, * cpu-rl78.c, * cpu-rs6000.c,
	* cpu-rx.c, * cpu-s12z.c, * cpu-s390.c, * cpu-score.c,
	* cpu-sh.c, * cpu-sparc.c, * cpu-spu.c, * cpu-tic30.c,
	* cpu-tic4x.c, * cpu-tic54x.c, * cpu-tic6x.c, * cpu-tilegx.c,
	* cpu-tilepro.c, * cpu-v850.c, * cpu-v850_rh850.c, * cpu-vax.c,
	* cpu-visium.c, * cpu-wasm32.c, * cpu-xc16x.c, * cpu-xgate.c,
	* cpu-xstormy16.c, * cpu-xtensa.c, * cpu-z80.c, * cpu-z8k.c,
	* dwarf1.c, * dwarf2.c, * ecoff-bfd.h, * ecoff.c, * ecofflink.c,
	* elf-attrs.c, * elf-bfd.h, * elf-eh-frame.c, * elf-hppa.h,
	* elf-ifunc.c, * elf-m10200.c, * elf-m10300.c, * elf-nacl.c,
	* elf-nacl.h, * elf-properties.c, * elf-s390-common.c,
	* elf-s390.h, * elf-strtab.c, * elf-vxworks.c, * elf-vxworks.h,
	* elf.c, * elf32-am33lin.c, * elf32-arc.c, * elf32-arm.c,
	* elf32-arm.h, * elf32-avr.c, * elf32-avr.h, * elf32-bfin.c,
	* elf32-bfin.h, * elf32-cr16.c, * elf32-cr16.h, * elf32-cris.c,
	* elf32-crx.c, * elf32-csky.c, * elf32-csky.h, * elf32-d10v.c,
	* elf32-d30v.c, * elf32-dlx.c, * elf32-epiphany.c,
	* elf32-fr30.c, * elf32-frv.c, * elf32-ft32.c, * elf32-gen.c,
	* elf32-h8300.c, * elf32-hppa.c, * elf32-hppa.h, * elf32-i386.c,
	* elf32-ip2k.c, * elf32-iq2000.c, * elf32-lm32.c, * elf32-m32c.c,
	* elf32-m32r.c, * elf32-m68hc11.c, * elf32-m68hc12.c,
	* elf32-m68hc1x.c, * elf32-m68hc1x.h, * elf32-m68k.c,
	* elf32-m68k.h, * elf32-mcore.c, * elf32-mep.c, * elf32-metag.c,
	* elf32-metag.h, * elf32-microblaze.c, * elf32-mips.c,
	* elf32-moxie.c, * elf32-msp430.c, * elf32-mt.c, * elf32-nds32.c,
	* elf32-nios2.c, * elf32-nios2.h, * elf32-or1k.c, * elf32-pj.c,
	* elf32-ppc.c, * elf32-ppc.h, * elf32-pru.c, * elf32-rl78.c,
	* elf32-rx.c, * elf32-s12z.c, * elf32-s390.c, * elf32-score.c,
	* elf32-score.h, * elf32-score7.c, * elf32-sh-relocs.h,
	* elf32-sh.c, * elf32-sparc.c, * elf32-spu.c, * elf32-spu.h,
	* elf32-tic6x.c, * elf32-tic6x.h, * elf32-tilegx.c,
	* elf32-tilepro.c, * elf32-v850.c, * elf32-v850.h,
	* elf32-vax.c, * elf32-visium.c, * elf32-wasm32.c,
	* elf32-xc16x.c, * elf32-xgate.c, * elf32-xstormy16.c,
	* elf32-xtensa.c, * elf32-z80.c, * elf64-alpha.c, * elf64-bpf.c,
	* elf64-gen.c, * elf64-hppa.c, * elf64-ia64-vms.c,
	* elf64-mips.c, * elf64-mmix.c, * elf64-nfp.c, * elf64-ppc.c,
	* elf64-ppc.h, * elf64-s390.c, * elf64-sparc.c,
	* elf64-tilegx.c, * elf64-x86-64.c, * elfcode.h,
	* elfcore.h, * elflink.c, * elfn32-mips.c, * elfnn-aarch64.c,
	* elfnn-ia64.c, * elfnn-riscv.c, * elfxx-aarch64.c,
	* elfxx-aarch64.h, * elfxx-ia64.c, * elfxx-ia64.h,
	* elfxx-mips.c, * elfxx-mips.h, * elfxx-riscv.c, * elfxx-riscv.h,
	* elfxx-sparc.c, * elfxx-sparc.h, * elfxx-target.h,
	* elfxx-tilegx.c, * elfxx-tilegx.h, * elfxx-x86.c, * elfxx-x86.h,
	* format.c, * genlink.h, * hash.c, * i386aout.c, * i386lynx.c,
	* i386msdos.c, * ihex.c, * libaout.h, * libbfd-in.h,
	* libbfd.c, * libcoff-in.h, * libecoff.h, * libpei.h,
	* libxcoff.h, * linker.c, * mach-o-aarch64.c, * mach-o-arm.c,
	* mach-o-i386.c, * mach-o-x86-64.c, * mach-o.c, * mach-o.h,
	* merge.c, * mmo.c, * netbsd.h, * opncls.c, * pc532-mach.c,
	* pdp11.c, * pe-arm.c, * pe-i386.c, * pe-mcore.c, * pe-sh.c,
	* pe-x86_64.c, * peXXigen.c, * pef.c, * pei-arm.c, * pei-i386.c,
	* pei-ia64.c, * pei-mcore.c, * pei-sh.c, * pei-x86_64.c,
	* peicode.h, * plugin.c, * plugin.h, * ppcboot.c, * reloc.c,
	* reloc16.c, * rs6000-core.c, * section.c, * simple.c, * som.c,
	* som.h, * srec.c, * stabs.c, * syms.c, * targets.c, * tekhex.c,
	* verilog.c, * vms-alpha.c, * vms-lib.c, * vms-misc.c, * vms.h,
	* wasm-module.c, * xcofflink.c, * xcofflink.h, * xsym.c,
	* xsym.h: Replace bfd_boolean with bool, FALSE with false, and
	TRUE with true throughout.
	* bfd-in2.h: Regenerate.
	* libbfd.h: Regenerate.
	* libcoff.h: Regenerate.
2021-03-31 10:49:23 +10:30

159 lines
5.4 KiB
C
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/* AArch64-specific backend routines.
Copyright (C) 2009-2021 Free Software Foundation, Inc.
Contributed by ARM Ltd.
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/>. */
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 bool elf64_aarch64_size_stubs
(bfd *, bfd *, struct bfd_link_info *, bfd_signed_vma,
struct bfd_section * (*) (const char *, struct bfd_section *),
void (*) (void));
extern bool 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 bool elf32_aarch64_size_stubs
(bfd *, bfd *, struct bfd_link_info *, bfd_signed_vma,
struct bfd_section * (*) (const char *, struct bfd_section *),
void (*) (void));
extern bool 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)
#define AARCH64_ADR_OP 0x10000000
#define AARCH64_ADRP_OP 0x90000000
#define AARCH64_ADRP_OP_MASK 0x9F000000
extern bfd_signed_vma
_bfd_aarch64_sign_extend (bfd_vma, int);
extern uint32_t
_bfd_aarch64_decode_adrp_imm (uint32_t);
extern uint32_t
_bfd_aarch64_reencode_adr_imm (uint32_t, uint32_t);
extern bfd_reloc_status_type
_bfd_aarch64_elf_put_addend (bfd *, bfd_byte *, bfd_reloc_code_real_type,
reloc_howto_type *, bfd_signed_vma);
extern bfd_vma
_bfd_aarch64_elf_resolve_relocation (bfd *, bfd_reloc_code_real_type, bfd_vma,
bfd_vma, bfd_vma, bool);
extern bool
_bfd_aarch64_elf_grok_prstatus (bfd *, Elf_Internal_Note *);
extern bool
_bfd_aarch64_elf_grok_psinfo (bfd *, Elf_Internal_Note *);
extern char *
_bfd_aarch64_elf_write_core_note (bfd *, char *, int *, int, ...);
#define elf_backend_grok_prstatus _bfd_aarch64_elf_grok_prstatus
#define elf_backend_grok_psinfo _bfd_aarch64_elf_grok_psinfo
#define elf_backend_write_core_note _bfd_aarch64_elf_write_core_note
extern bfd *
_bfd_aarch64_elf_link_setup_gnu_properties (struct bfd_link_info *,
uint32_t *);
extern enum elf_property_kind
_bfd_aarch64_elf_parse_gnu_properties (bfd *, unsigned int,
bfd_byte *, unsigned int);
extern bool
_bfd_aarch64_elf_merge_gnu_properties (struct bfd_link_info *, bfd *,
elf_property *, elf_property *,
uint32_t);
extern void
_bfd_aarch64_elf_link_fixup_gnu_properties (struct bfd_link_info *,
elf_property_list **);
#define elf_backend_parse_gnu_properties \
_bfd_aarch64_elf_parse_gnu_properties
#define elf_backend_fixup_gnu_properties \
_bfd_aarch64_elf_link_fixup_gnu_properties
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