/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com) */ #ifndef __ASM_ARC_ELF_H #define __ASM_ARC_ELF_H #include <linux/types.h> #include <linux/elf-em.h> #include <uapi/asm/elf.h> #define EM_ARC_INUSE (IS_ENABLED(CONFIG_ISA_ARCOMPACT) ? \ EM_ARCOMPACT : EM_ARCV2) /* ARC Relocations (kernel Modules only) */ #define R_ARC_32 0x4 #define R_ARC_32_ME 0x1B #define R_ARC_32_PCREL 0x31 /*to set parameters in the core dumps */ #define ELF_ARCH EM_ARCOMPACT #define ELF_CLASS ELFCLASS32 #ifdef CONFIG_CPU_BIG_ENDIAN #define ELF_DATA ELFDATA2MSB #else #define ELF_DATA ELFDATA2LSB #endif /* * To ensure that * -we don't load something for the wrong architecture. * -The userspace is using the correct syscall ABI */ struct elf32_hdr; extern int elf_check_arch(const struct elf32_hdr *); #define elf_check_arch elf_check_arch #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. */ #define ELF_ET_DYN_BASE (2UL * TASK_SIZE / 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)->r0 = 0) /* * This yields a mask that user programs can use to figure out what * instruction set this cpu supports. */ #define ELF_HWCAP (0) /* * This yields a string that ld.so will use to load implementation * specific libraries for optimization. This is more specific in * intent than poking at uname or /proc/cpuinfo. */ #define ELF_PLATFORM (NULL) #endif