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72 lines
1.9 KiB
72 lines
1.9 KiB
/* SPDX-License-Identifier: GPL-2.0-only */ |
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/* |
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* Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com) |
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*/ |
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#ifndef __ASM_ARC_ELF_H |
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#define __ASM_ARC_ELF_H |
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#include <linux/types.h> |
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#include <linux/elf-em.h> |
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#include <uapi/asm/elf.h> |
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#define EM_ARC_INUSE (IS_ENABLED(CONFIG_ISA_ARCOMPACT) ? \ |
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EM_ARCOMPACT : EM_ARCV2) |
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/* ARC Relocations (kernel Modules only) */ |
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#define R_ARC_32 0x4 |
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#define R_ARC_32_ME 0x1B |
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#define R_ARC_32_PCREL 0x31 |
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/*to set parameters in the core dumps */ |
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#define ELF_ARCH EM_ARC_INUSE |
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#define ELF_CLASS ELFCLASS32 |
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#ifdef CONFIG_CPU_BIG_ENDIAN |
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#define ELF_DATA ELFDATA2MSB |
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#else |
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#define ELF_DATA ELFDATA2LSB |
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#endif |
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/* |
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* To ensure that |
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* -we don't load something for the wrong architecture. |
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* -The userspace is using the correct syscall ABI |
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*/ |
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struct elf32_hdr; |
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extern int elf_check_arch(const struct elf32_hdr *); |
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#define elf_check_arch elf_check_arch |
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#define CORE_DUMP_USE_REGSET |
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#define ELF_EXEC_PAGESIZE PAGE_SIZE |
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/* |
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* This is the location that an ET_DYN program is loaded if exec'ed. Typical |
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* use of this is to invoke "./ld.so someprog" to test out a new version of |
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* the loader. We need to make sure that it is out of the way of the program |
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* that it will "exec", and that there is sufficient room for the brk. |
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*/ |
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#define ELF_ET_DYN_BASE (2UL * TASK_SIZE / 3) |
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/* |
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* When the program starts, a1 contains a pointer to a function to be |
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* registered with atexit, as per the SVR4 ABI. A value of 0 means we |
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* have no such handler. |
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*/ |
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#define ELF_PLAT_INIT(_r, load_addr) ((_r)->r0 = 0) |
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/* |
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* This yields a mask that user programs can use to figure out what |
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* instruction set this cpu supports. |
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*/ |
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#define ELF_HWCAP (0) |
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/* |
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* This yields a string that ld.so will use to load implementation |
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* specific libraries for optimization. This is more specific in |
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* intent than poking at uname or /proc/cpuinfo. |
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*/ |
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#define ELF_PLATFORM (NULL) |
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#endif
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