/* -*- c-set-style: "K&R"; c-basic-offset: 8 -*-

*

* This file is part of PRoot.

*

* Copyright (C) 2015 STMicroelectronics

*

* 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 2 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; if not, write to the Free Software

* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA

* 02110-1301 USA.

*/

#ifndef ARCH_H

#define ARCH_H

#ifndef NO_LIBC_HEADER

#include <sys/ptrace.h> /* linux.git:c0a3a20b */

#include <linux/audit.h> /* AUDIT_ARCH_*, */

#endif

typedef unsigned long word_t;

typedef unsigned char byte_t;

#define SYSCALL_AVOIDER ((word_t) -1)

#define SYSTRAP_NUM SYSARG_NUM

#define STACK_ALIGNMENT 16

#define OFFSETOF_STATX_UID 20

#define OFFSETOF_STATX_GID 24

#if !defined(ARCH_X86_64) && !defined(ARCH_ARM_EABI) && !defined(ARCH_X86) && !defined(ARCH_SH4)

# if defined(__x86_64__)

# define ARCH_X86_64 1

# elif defined(__ARM_EABI__)

# define ARCH_ARM_EABI 1

# elif defined(__aarch64__)

# define ARCH_ARM64 1

# elif defined(__arm__)

# error "Only EABI is currently supported for ARM"

# elif defined(__i386__)

# define ARCH_X86 1

# elif defined(__SH4__)

# define ARCH_SH4 1

# else

# error "Unsupported architecture"

# endif

#endif

/* Architecture specific definitions. */

#if defined(ARCH_X86_64)

#define SYSNUMS_HEADER1 "syscall/sysnums-x86_64.h"

#define SYSNUMS_HEADER2 "syscall/sysnums-i386.h"

#define SYSNUMS_HEADER3 "syscall/sysnums-x32.h"

#define SYSNUMS_ABI1 sysnums_x86_64

#define SYSNUMS_ABI2 sysnums_i386

#define SYSNUMS_ABI3 sysnums_x32

#undef SYSTRAP_NUM

#define SYSTRAP_NUM SYSARG_RESULT

#define SYSTRAP_SIZE 2

#define SECCOMP_ARCHS { \

{ .value = AUDIT_ARCH_X86_64, .nb_abis = 2, .abis = { ABI_DEFAULT, ABI_3 } }, \

{ .value = AUDIT_ARCH_I386, .nb_abis = 1, .abis = { ABI_2 } }, \

}

#define HOST_ELF_MACHINE {62, 3, 6, 0}

#define RED_ZONE_SIZE 128

#define OFFSETOF_STAT_UID_32 24

#define OFFSETOF_STAT_GID_32 28

#define LOADER_ADDRESS 0x600000000000

#define HAS_LOADER_32BIT true

#define EXEC_PIC_ADDRESS 0x500000000000

#define INTERP_PIC_ADDRESS 0x6f0000000000

#define EXEC_PIC_ADDRESS_32 0x0f000000

#define INTERP_PIC_ADDRESS_32 0xaf000000

#elif defined(ARCH_ARM_EABI)

#define SYSNUMS_HEADER1 "syscall/sysnums-arm.h"

#define SYSNUMS_ABI1 sysnums_arm

#define SYSTRAP_SIZE 4

#define SECCOMP_ARCHS { { .value = AUDIT_ARCH_ARM, .nb_abis = 1, .abis = { ABI_DEFAULT } } }

#define user_regs_struct user_regs

#define HOST_ELF_MACHINE {40, 0};

#define RED_ZONE_SIZE 0

#define OFFSETOF_STAT_UID_32 0

#define OFFSETOF_STAT_GID_32 0

#define EM_ARM 40

#define LOADER_ADDRESS 0x10000000

#define EXEC_PIC_ADDRESS 0x0f000000

#define INTERP_PIC_ADDRESS 0x1f000000

#elif defined(ARCH_ARM64)

#define SYSNUMS_HEADER1 "syscall/sysnums-arm64.h"

#define SYSNUMS_ABI1 sysnums_arm64

#define SYSTRAP_SIZE 4

#ifndef AUDIT_ARCH_AARCH64

#define AUDIT_ARCH_AARCH64 (EM_AARCH64 | __AUDIT_ARCH_64BIT | __AUDIT_ARCH_LE)

#endif

#define SECCOMP_ARCHS { { .value = AUDIT_ARCH_AARCH64, .nb_abis = 1, .abis = { ABI_DEFAULT } } }

#define HOST_ELF_MACHINE {183, 0};

#define RED_ZONE_SIZE 0

#define OFFSETOF_STAT_UID_32 0

#define OFFSETOF_STAT_GID_32 0

#define LOADER_ADDRESS 0x2000000000

#define EXEC_PIC_ADDRESS 0x3000000000

#define INTERP_PIC_ADDRESS 0x3f00000000

#elif defined(ARCH_X86)

#define SYSNUMS_HEADER1 "syscall/sysnums-i386.h"

#define SYSNUMS_ABI1 sysnums_i386

#undef SYSTRAP_NUM

#define SYSTRAP_NUM SYSARG_RESULT

#define SYSTRAP_SIZE 2

#define SECCOMP_ARCHS { { .value = AUDIT_ARCH_I386, .nb_abis = 1, .abis = { ABI_DEFAULT } } }

#define HOST_ELF_MACHINE {3, 6, 0};

#define RED_ZONE_SIZE 0

#define OFFSETOF_STAT_UID_32 0

#define OFFSETOF_STAT_GID_32 0

#define LOADER_ADDRESS 0xa0000000

#define LOADER_ARCH_CFLAGS -mregparm=3

#define EXEC_PIC_ADDRESS 0x0f000000

#define INTERP_PIC_ADDRESS 0xaf000000

#elif defined(ARCH_SH4)

#define SYSNUMS_HEADER1 "syscall/sysnums-sh4.h"

#define SYSNUMS_ABI1 sysnums_sh4

#define SYSTRAP_SIZE 2

#define SECCOMP_ARCHS { }

#define user_regs_struct pt_regs

#define HOST_ELF_MACHINE {42, 0};

#define RED_ZONE_SIZE 0

#define OFFSETOF_STAT_UID_32 0

#define OFFSETOF_STAT_GID_32 0

#define NO_MISALIGNED_ACCESS 1

#else

#error "Unsupported architecture"

#endif

#endif /* ARCH_H */