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/*
 * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
 * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
 * Copyright (C) 2012 Regents of the University of California
 *
 * 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.
 */

#ifndef _ASM_RISCV_ELF_H
#define _ASM_RISCV_ELF_H

#include <uapi/asm/elf.h>
#include <asm/auxvec.h>
#include <asm/byteorder.h>

/* TODO: Move definition into include/uapi/linux/elf-em.h */
#define EM_RISCV	0xF3

/*
 * These are used to set parameters in the core dumps.
 */
#define ELF_ARCH	EM_RISCV

#ifdef CONFIG_64BIT
#define ELF_CLASS	ELFCLASS64
#else
#define ELF_CLASS	ELFCLASS32
#endif

#if defined(__LITTLE_ENDIAN)
#define ELF_DATA	ELFDATA2LSB
#elif defined(__BIG_ENDIAN)
#define ELF_DATA	ELFDATA2MSB
#else
#error "Unknown endianness"
#endif

/*
 * This is used to ensure we don't load something for the wrong architecture.
 */
#define elf_check_arch(x) ((x)->e_machine == EM_RISCV)

#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		((TASK_SIZE / 3) * 2)

/*
 * This yields a mask that user programs can use to figure out what
 * instruction set this CPU supports.  This could be done in user space,
 * but it's not easy, and we've already done it here.
 */
#define ELF_HWCAP	(elf_hwcap)
extern unsigned long elf_hwcap;

/*
 * 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)

#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);

#endif /* _ASM_RISCV_ELF_H */

Filemanager

Name Type Size Permission Actions
Kbuild File 1.37 KB 0644
asm-offsets.h File 35 B 0644
asm-prototypes.h File 176 B 0644
asm.h File 1.78 KB 0644
atomic.h File 11.31 KB 0644
barrier.h File 2.59 KB 0644
bitops.h File 6.23 KB 0644
bug.h File 2.12 KB 0644
cache.h File 745 B 0644
cacheflush.h File 1.7 KB 0644
cmpxchg.h File 3.35 KB 0644
compat.h File 924 B 0644
csr.h File 3.8 KB 0644
current.h File 1.27 KB 0644
delay.h File 881 B 0644
dma-mapping.h File 1.19 KB 0644
elf.h File 2.3 KB 0644
fence.h File 279 B 0644
hwcap.h File 1013 B 0644
io.h File 11.81 KB 0644
irq.h File 841 B 0644
irqflags.h File 1.54 KB 0644
kprobes.h File 679 B 0644
linkage.h File 677 B 0644
mmu.h File 829 B 0644
mmu_context.h File 3.14 KB 0644
page.h File 3.76 KB 0644
pci.h File 1.16 KB 0644
pgalloc.h File 3.06 KB 0644
pgtable-32.h File 870 B 0644
pgtable-64.h File 2.08 KB 0644
pgtable-bits.h File 1.81 KB 0644
pgtable.h File 11.17 KB 0644
processor.h File 2.44 KB 0644
ptrace.h File 2.69 KB 0644
sbi.h File 2.6 KB 0644
smp.h File 1.59 KB 0644
spinlock.h File 2.85 KB 0644
spinlock_types.h File 906 B 0644
string.h File 838 B 0644
switch_to.h File 1.86 KB 0644
syscall.h File 2.59 KB 0644
thread_info.h File 3.11 KB 0644
timex.h File 1.29 KB 0644
tlb.h File 717 B 0644
tlbflush.h File 1.83 KB 0644
uaccess.h File 14 KB 0644
unistd.h File 638 B 0644
vdso.h File 1.49 KB 0644
word-at-a-time.h File 1.48 KB 0644