diff options
Diffstat (limited to 'arch/c6x/include/asm/elf.h')
| -rw-r--r-- | arch/c6x/include/asm/elf.h | 113 | 
1 files changed, 113 insertions, 0 deletions
diff --git a/arch/c6x/include/asm/elf.h b/arch/c6x/include/asm/elf.h new file mode 100644 index 00000000000..d57865ba2c4 --- /dev/null +++ b/arch/c6x/include/asm/elf.h @@ -0,0 +1,113 @@ +/* + *  Port on Texas Instruments TMS320C6x architecture + * + *  Copyright (C) 2004, 2009, 2010 Texas Instruments Incorporated + *  Author: Aurelien Jacquiot (aurelien.jacquiot@jaluna.com) + * + *  This program is free software; you can redistribute it and/or modify + *  it under the terms of the GNU General Public License version 2 as + *  published by the Free Software Foundation. + */ +#ifndef _ASM_C6X_ELF_H +#define _ASM_C6X_ELF_H + +/* + * ELF register definitions.. + */ +#include <asm/ptrace.h> + +typedef unsigned long elf_greg_t; +typedef unsigned long elf_fpreg_t; + +#define ELF_NGREG  58 +#define ELF_NFPREG 1 + +typedef elf_greg_t elf_gregset_t[ELF_NGREG]; +typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG]; + +/* + * This is used to ensure we don't load something for the wrong architecture. + */ +#define elf_check_arch(x) ((x)->e_machine == EM_TI_C6000) + +#define elf_check_const_displacement(x) (1) + +/* + * These are used to set parameters in the core dumps. + */ +#ifdef __LITTLE_ENDIAN__ +#define ELF_DATA	ELFDATA2LSB +#else +#define ELF_DATA	ELFDATA2MSB +#endif + +#define ELF_CLASS	ELFCLASS32 +#define ELF_ARCH	EM_TI_C6000 + +/* Nothing for now. Need to setup DP... */ +#define ELF_PLAT_INIT(_r) + +#define USE_ELF_CORE_DUMP +#define ELF_EXEC_PAGESIZE	4096 + +#define ELF_CORE_COPY_REGS(_dest, _regs)		\ +	memcpy((char *) &_dest, (char *) _regs,		\ +	sizeof(struct pt_regs)); + +/* 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) + +#define SET_PERSONALITY(ex) set_personality(PER_LINUX) + +/* C6X specific section types */ +#define SHT_C6000_UNWIND	0x70000001 +#define SHT_C6000_PREEMPTMAP	0x70000002 +#define SHT_C6000_ATTRIBUTES	0x70000003 + +/* C6X specific DT_ tags */ +#define DT_C6000_DSBT_BASE	0x70000000 +#define DT_C6000_DSBT_SIZE	0x70000001 +#define DT_C6000_PREEMPTMAP	0x70000002 +#define DT_C6000_DSBT_INDEX	0x70000003 + +/* C6X specific relocs */ +#define R_C6000_NONE		0 +#define R_C6000_ABS32		1 +#define R_C6000_ABS16		2 +#define R_C6000_ABS8		3 +#define R_C6000_PCR_S21		4 +#define R_C6000_PCR_S12		5 +#define R_C6000_PCR_S10		6 +#define R_C6000_PCR_S7		7 +#define R_C6000_ABS_S16		8 +#define R_C6000_ABS_L16		9 +#define R_C6000_ABS_H16		10 +#define R_C6000_SBR_U15_B	11 +#define R_C6000_SBR_U15_H	12 +#define R_C6000_SBR_U15_W	13 +#define R_C6000_SBR_S16		14 +#define R_C6000_SBR_L16_B	15 +#define R_C6000_SBR_L16_H	16 +#define R_C6000_SBR_L16_W	17 +#define R_C6000_SBR_H16_B	18 +#define R_C6000_SBR_H16_H	19 +#define R_C6000_SBR_H16_W	20 +#define R_C6000_SBR_GOT_U15_W	21 +#define R_C6000_SBR_GOT_L16_W	22 +#define R_C6000_SBR_GOT_H16_W	23 +#define R_C6000_DSBT_INDEX	24 +#define R_C6000_PREL31		25 +#define R_C6000_COPY		26 +#define R_C6000_ALIGN		253 +#define R_C6000_FPHEAD		254 +#define R_C6000_NOCMP		255 + +#endif /*_ASM_C6X_ELF_H */  |