arm64: ELF definitions (f668cd16) · Commits · e / devices / android_kernel_oneplus_sm7250

arch/arm64/include/asm/auxvec.h

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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_AUXVEC_H
		#define __ASM_AUXVEC_H

		/* vDSO location */
		#define AT_SYSINFO_EHDR 33

		#endif

arch/arm64/include/asm/elf.h

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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;
		typedef unsigned long elf_freg_t[3];

		#define ELF_NGREG (sizeof (struct pt_regs) / sizeof(elf_greg_t))
		typedef elf_greg_t elf_gregset_t[ELF_NGREG];

		typedef struct user_fp 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

arch/arm64/include/asm/hwcap.h

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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_HWCAP_H
		#define __ASM_HWCAP_H

		/*
		* HWCAP flags - for elf_hwcap (in kernel) and AT_HWCAP
		*/
		#define HWCAP_FP (1 << 0)
		#define HWCAP_ASIMD (1 << 1)

		#define COMPAT_HWCAP_HALF (1 << 1)
		#define COMPAT_HWCAP_THUMB (1 << 2)
		#define COMPAT_HWCAP_FAST_MULT (1 << 4)
		#define COMPAT_HWCAP_VFP (1 << 6)
		#define COMPAT_HWCAP_EDSP (1 << 7)
		#define COMPAT_HWCAP_NEON (1 << 12)
		#define COMPAT_HWCAP_VFPv3 (1 << 13)
		#define COMPAT_HWCAP_TLS (1 << 15)
		#define COMPAT_HWCAP_VFPv4 (1 << 16)
		#define COMPAT_HWCAP_IDIVA (1 << 17)
		#define COMPAT_HWCAP_IDIVT (1 << 18)
		#define COMPAT_HWCAP_IDIV (COMPAT_HWCAP_IDIVA\|COMPAT_HWCAP_IDIVT)

		#if defined(__KERNEL__) && !defined(__ASSEMBLY__)
		/*
		* This yields a mask that user programs can use to figure out what
		* instruction set this cpu supports.
		*/
		#define ELF_HWCAP (elf_hwcap)
		#define COMPAT_ELF_HWCAP (COMPAT_HWCAP_HALF\|COMPAT_HWCAP_THUMB\|\
		COMPAT_HWCAP_FAST_MULT\|COMPAT_HWCAP_EDSP\|\
		COMPAT_HWCAP_TLS\|COMPAT_HWCAP_VFP\|\
		COMPAT_HWCAP_VFPv3\|COMPAT_HWCAP_VFPv4\|\
		COMPAT_HWCAP_NEON\|COMPAT_HWCAP_IDIV)

		extern unsigned int elf_hwcap;
		#endif

		#endif

arch/arm64/include/asm/param.h

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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_PARAM_H
		#define __ASM_PARAM_H

		#define EXEC_PAGESIZE 65536

		#include <asm-generic/param.h>

		#endif

arch/arm64/include/asm/shmparam.h

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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_SHMPARAM_H
		#define __ASM_SHMPARAM_H

		/*
		* For IPC syscalls from compat tasks, we need to use the legacy 16k
		* alignment value. Since we don't have aliasing D-caches, the rest of
		* the time we can safely use PAGE_SIZE.
		*/
		#define COMPAT_SHMLBA 0x4000

		#include <asm-generic/shmparam.h>

		#endif /* __ASM_SHMPARAM_H */