diff options
Diffstat (limited to 'arch/arc/include/asm/elf.h')
-rw-r--r-- | arch/arc/include/asm/elf.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/arch/arc/include/asm/elf.h b/arch/arc/include/asm/elf.h new file mode 100644 index 0000000000..0284ace0e1 --- /dev/null +++ b/arch/arc/include/asm/elf.h @@ -0,0 +1,72 @@ +/* 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_ARC_INUSE +#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 |