2024-09-09 08:52:07 +00:00
|
|
|
/*
|
|
|
|
|
* 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)
|
|
|
|
|
|
2024-09-09 08:57:42 +00:00
|
|
|
#define elf_check_fdpic(x) (1)
|
|
|
|
|
#define elf_check_const_displacement(x) (0)
|
|
|
|
|
|
|
|
|
|
#define ELF_FDPIC_PLAT_INIT(_regs, _exec_map, _interp_map, _dynamic_addr) \
|
|
|
|
|
do { \
|
|
|
|
|
_regs->b4 = (_exec_map); \
|
|
|
|
|
_regs->a6 = (_interp_map); \
|
|
|
|
|
_regs->b6 = (_dynamic_addr); \
|
|
|
|
|
} while (0)
|
|
|
|
|
|
|
|
|
|
#define ELF_FDPIC_CORE_EFLAGS 0
|
|
|
|
|
|
|
|
|
|
#define ELF_CORE_COPY_FPREGS(...) 0 /* No FPU regs to copy */
|
2024-09-09 08:52:07 +00:00
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* 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)
|
|
|
|
|
|
|
|
|
|
/* 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 */
|
