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/*
* Copyright (C) 2012 ARM Ltd.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* 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. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __ASM_ELF_H
#define __ASM_ELF_H
#include <asm/hwcap.h>
/*
* ELF register definitions..
*/
#include <asm/ptrace.h>
#include <asm/user.h>
typedef unsigned long elf_greg_t;
#define ELF_NGREG (sizeof (struct pt_regs) / sizeof(elf_greg_t))
typedef elf_greg_t elf_gregset_t[ELF_NGREG];
typedef struct user_fpsimd_state elf_fpregset_t;
#define EM_AARCH64 183
/*
* AArch64 static relocation types.
*/
/* Miscellaneous. */
#define R_ARM_NONE 0
#define R_AARCH64_NONE 256
/* Data. */
#define R_AARCH64_ABS64 257
#define R_AARCH64_ABS32 258
#define R_AARCH64_ABS16 259
#define R_AARCH64_PREL64 260
#define R_AARCH64_PREL32 261
#define R_AARCH64_PREL16 262
/* Instructions. */
#define R_AARCH64_MOVW_UABS_G0 263
#define R_AARCH64_MOVW_UABS_G0_NC 264
#define R_AARCH64_MOVW_UABS_G1 265
#define R_AARCH64_MOVW_UABS_G1_NC 266
#define R_AARCH64_MOVW_UABS_G2 267
#define R_AARCH64_MOVW_UABS_G2_NC 268
#define R_AARCH64_MOVW_UABS_G3 269
#define R_AARCH64_MOVW_SABS_G0 270
#define R_AARCH64_MOVW_SABS_G1 271
#define R_AARCH64_MOVW_SABS_G2 272
#define R_AARCH64_LD_PREL_LO19 273
#define R_AARCH64_ADR_PREL_LO21 274
#define R_AARCH64_ADR_PREL_PG_HI21 275
#define R_AARCH64_ADR_PREL_PG_HI21_NC 276
#define R_AARCH64_ADD_ABS_LO12_NC 277
#define R_AARCH64_LDST8_ABS_LO12_NC 278
#define R_AARCH64_TSTBR14 279
#define R_AARCH64_CONDBR19 280
#define R_AARCH64_JUMP26 282
#define R_AARCH64_CALL26 283
#define R_AARCH64_LDST16_ABS_LO12_NC 284
#define R_AARCH64_LDST32_ABS_LO12_NC 285
#define R_AARCH64_LDST64_ABS_LO12_NC 286
#define R_AARCH64_LDST128_ABS_LO12_NC 299
#define R_AARCH64_MOVW_PREL_G0 287
#define R_AARCH64_MOVW_PREL_G0_NC 288
#define R_AARCH64_MOVW_PREL_G1 289
#define R_AARCH64_MOVW_PREL_G1_NC 290
#define R_AARCH64_MOVW_PREL_G2 291
#define R_AARCH64_MOVW_PREL_G2_NC 292
#define R_AARCH64_MOVW_PREL_G3 293
/*
* These are used to set parameters in the core dumps.
*/
#define ELF_CLASS ELFCLASS64
#define ELF_DATA ELFDATA2LSB
#define ELF_ARCH EM_AARCH64
#define ELF_PLATFORM_SIZE 16
#define ELF_PLATFORM ("aarch64")
/*
* This is used to ensure we don't load something for the wrong architecture.
*/
#define elf_check_arch(x) ((x)->e_machine == EM_AARCH64)
#define elf_read_implies_exec(ex,stk) (stk != EXSTACK_DISABLE_X)
#define CORE_DUMP_USE_REGSET
#define ELF_EXEC_PAGESIZE PAGE_SIZE
/*
* This is the location that an ET_DYN program is loaded if exec'ed. Typical
* use of this is to invoke "./ld.so someprog" to test out a new version of
* the loader. We need to make sure that it is out of the way of the program
* that it will "exec", and that there is sufficient room for the brk.
*/
extern unsigned long randomize_et_dyn(unsigned long base);
#define ELF_ET_DYN_BASE (randomize_et_dyn(2 * TASK_SIZE_64 / 3))
/*
* When the program starts, a1 contains a pointer to a function to be
* registered with atexit, as per the SVR4 ABI. A value of 0 means we have no
* such handler.
*/
#define ELF_PLAT_INIT(_r, load_addr) (_r)->regs[0] = 0
#define SET_PERSONALITY(ex) clear_thread_flag(TIF_32BIT);
#define ARCH_DLINFO \
do { \
NEW_AUX_ENT(AT_SYSINFO_EHDR, \
(elf_addr_t)current->mm->context.vdso); \
} while (0)
#define ARCH_HAS_SETUP_ADDITIONAL_PAGES
struct linux_binprm;
extern int arch_setup_additional_pages(struct linux_binprm *bprm,
int uses_interp);
/* 1GB of VA */
#ifdef CONFIG_COMPAT
#define STACK_RND_MASK (test_thread_flag(TIF_32BIT) ? \
0x7ff >> (PAGE_SHIFT - 12) : \
0x3ffff >> (PAGE_SHIFT - 12))
#else
#define STACK_RND_MASK (0x3ffff >> (PAGE_SHIFT - 12))
#endif
struct mm_struct;
extern unsigned long arch_randomize_brk(struct mm_struct *mm);
#define arch_randomize_brk arch_randomize_brk
#ifdef CONFIG_COMPAT
#define EM_ARM 40
#define COMPAT_ELF_PLATFORM ("v8l")
#define COMPAT_ELF_ET_DYN_BASE (randomize_et_dyn(2 * TASK_SIZE_32 / 3))
/* AArch32 registers. */
#define COMPAT_ELF_NGREG 18
typedef unsigned int compat_elf_greg_t;
typedef compat_elf_greg_t compat_elf_gregset_t[COMPAT_ELF_NGREG];
/* AArch32 EABI. */
#define EF_ARM_EABI_MASK 0xff000000
#define compat_elf_check_arch(x) (((x)->e_machine == EM_ARM) && \
((x)->e_flags & EF_ARM_EABI_MASK))
#define compat_start_thread compat_start_thread
#define COMPAT_SET_PERSONALITY(ex) set_thread_flag(TIF_32BIT);
#define COMPAT_ARCH_DLINFO
extern int aarch32_setup_vectors_page(struct linux_binprm *bprm,
int uses_interp);
#define compat_arch_setup_additional_pages \
aarch32_setup_vectors_page
#endif /* CONFIG_COMPAT */
#endif
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