forked from mirrors/linux
		
	Original port to early 2.6 kernel using TI COFF toolchain. Brought up to date by Mark Salter <msalter@redhat.com> Signed-off-by: Aurelien Jacquiot <a-jacquiot@ti.com> Signed-off-by: Mark Salter <msalter@redhat.com> Acked-by: Arnd Bergmann <arnd@arndb.de>
		
			
				
	
	
		
			113 lines
		
	
	
	
		
			2.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			113 lines
		
	
	
	
		
			2.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 *  Port on Texas Instruments TMS320C6x architecture
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 *
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 *  Copyright (C) 2004, 2009, 2010 Texas Instruments Incorporated
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 *  Author: Aurelien Jacquiot (aurelien.jacquiot@jaluna.com)
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 *
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 *  This program is free software; you can redistribute it and/or modify
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 *  it under the terms of the GNU General Public License version 2 as
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 *  published by the Free Software Foundation.
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 */
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#ifndef _ASM_C6X_ELF_H
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#define _ASM_C6X_ELF_H
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/*
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 * ELF register definitions..
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 */
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#include <asm/ptrace.h>
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typedef unsigned long elf_greg_t;
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typedef unsigned long elf_fpreg_t;
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#define ELF_NGREG  58
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#define ELF_NFPREG 1
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typedef elf_greg_t elf_gregset_t[ELF_NGREG];
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typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG];
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/*
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 * This is used to ensure we don't load something for the wrong architecture.
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 */
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#define elf_check_arch(x) ((x)->e_machine == EM_TI_C6000)
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#define elf_check_const_displacement(x) (1)
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/*
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 * These are used to set parameters in the core dumps.
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 */
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#ifdef __LITTLE_ENDIAN__
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#define ELF_DATA	ELFDATA2LSB
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#else
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#define ELF_DATA	ELFDATA2MSB
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#endif
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#define ELF_CLASS	ELFCLASS32
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#define ELF_ARCH	EM_TI_C6000
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/* Nothing for now. Need to setup DP... */
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#define ELF_PLAT_INIT(_r)
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#define USE_ELF_CORE_DUMP
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#define ELF_EXEC_PAGESIZE	4096
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#define ELF_CORE_COPY_REGS(_dest, _regs)		\
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	memcpy((char *) &_dest, (char *) _regs,		\
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	sizeof(struct pt_regs));
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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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#define ELF_HWCAP	(0)
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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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#define ELF_PLATFORM  (NULL)
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#define SET_PERSONALITY(ex) set_personality(PER_LINUX)
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/* C6X specific section types */
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#define SHT_C6000_UNWIND	0x70000001
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#define SHT_C6000_PREEMPTMAP	0x70000002
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#define SHT_C6000_ATTRIBUTES	0x70000003
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/* C6X specific DT_ tags */
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#define DT_C6000_DSBT_BASE	0x70000000
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#define DT_C6000_DSBT_SIZE	0x70000001
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#define DT_C6000_PREEMPTMAP	0x70000002
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#define DT_C6000_DSBT_INDEX	0x70000003
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/* C6X specific relocs */
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#define R_C6000_NONE		0
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#define R_C6000_ABS32		1
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#define R_C6000_ABS16		2
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#define R_C6000_ABS8		3
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#define R_C6000_PCR_S21		4
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#define R_C6000_PCR_S12		5
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#define R_C6000_PCR_S10		6
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#define R_C6000_PCR_S7		7
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#define R_C6000_ABS_S16		8
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#define R_C6000_ABS_L16		9
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#define R_C6000_ABS_H16		10
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#define R_C6000_SBR_U15_B	11
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#define R_C6000_SBR_U15_H	12
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#define R_C6000_SBR_U15_W	13
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#define R_C6000_SBR_S16		14
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#define R_C6000_SBR_L16_B	15
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#define R_C6000_SBR_L16_H	16
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#define R_C6000_SBR_L16_W	17
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#define R_C6000_SBR_H16_B	18
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#define R_C6000_SBR_H16_H	19
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#define R_C6000_SBR_H16_W	20
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#define R_C6000_SBR_GOT_U15_W	21
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#define R_C6000_SBR_GOT_L16_W	22
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#define R_C6000_SBR_GOT_H16_W	23
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#define R_C6000_DSBT_INDEX	24
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#define R_C6000_PREL31		25
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#define R_C6000_COPY		26
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#define R_C6000_ALIGN		253
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#define R_C6000_FPHEAD		254
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#define R_C6000_NOCMP		255
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#endif /*_ASM_C6X_ELF_H */
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