136 lines
4.9 KiB
C
136 lines
4.9 KiB
C
|
/*
|
||
|
|
* Copyright 2004-2009 Analog Devices Inc.
|
||
|
|
*
|
||
|
|
* Licensed under the GPL-2 or later.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef __ASMBFIN_ELF_H
|
||
|
|
#define __ASMBFIN_ELF_H
|
||
|
|
|
||
|
|
/*
|
||
|
|
* ELF register definitions..
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <asm/ptrace.h>
|
||
|
|
#include <asm/user.h>
|
||
|
|
|
||
|
|
/* Processor specific flags for the ELF header e_flags field. */
|
||
|
|
#define EF_BFIN_PIC 0x00000001 /* -fpic */
|
||
|
|
#define EF_BFIN_FDPIC 0x00000002 /* -mfdpic */
|
||
|
|
#define EF_BFIN_CODE_IN_L1 0x00000010 /* --code-in-l1 */
|
||
|
|
#define EF_BFIN_DATA_IN_L1 0x00000020 /* --data-in-l1 */
|
||
|
|
#define EF_BFIN_CODE_IN_L2 0x00000040 /* --code-in-l2 */
|
||
|
|
#define EF_BFIN_DATA_IN_L2 0x00000080 /* --data-in-l2 */
|
||
|
|
|
||
|
|
#if 1 /* core dumps not supported, but linux/elfcore.h needs these */
|
||
|
|
typedef unsigned long elf_greg_t;
|
||
|
|
|
||
|
|
#define ELF_NGREG (sizeof(struct pt_regs) / sizeof(elf_greg_t))
|
||
|
|
typedef elf_greg_t elf_gregset_t[ELF_NGREG];
|
||
|
|
|
||
|
|
typedef struct { } elf_fpregset_t;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/*
|
||
|
|
* This is used to ensure we don't load something for the wrong architecture.
|
||
|
|
*/
|
||
|
|
#define elf_check_arch(x) ((x)->e_machine == EM_BLACKFIN)
|
||
|
|
|
||
|
|
#define elf_check_fdpic(x) ((x)->e_flags & EF_BFIN_FDPIC /* && !((x)->e_flags & EF_FRV_NON_PIC_RELOCS) */)
|
||
|
|
#define elf_check_const_displacement(x) ((x)->e_flags & EF_BFIN_PIC)
|
||
|
|
|
||
|
|
/* EM_BLACKFIN defined in linux/elf.h */
|
||
|
|
|
||
|
|
/*
|
||
|
|
* These are used to set parameters in the core dumps.
|
||
|
|
*/
|
||
|
|
#define ELF_CLASS ELFCLASS32
|
||
|
|
#define ELF_DATA ELFDATA2LSB
|
||
|
|
#define ELF_ARCH EM_BLACKFIN
|
||
|
|
|
||
|
|
#define ELF_PLAT_INIT(_r) _r->p1 = 0
|
||
|
|
|
||
|
|
#define ELF_FDPIC_PLAT_INIT(_regs, _exec_map_addr, _interp_map_addr, _dynamic_addr) \
|
||
|
|
do { \
|
||
|
|
_regs->r7 = 0; \
|
||
|
|
_regs->p0 = _exec_map_addr; \
|
||
|
|
_regs->p1 = _interp_map_addr; \
|
||
|
|
_regs->p2 = _dynamic_addr; \
|
||
|
|
} while(0)
|
||
|
|
|
||
|
|
#if 0
|
||
|
|
#define CORE_DUMP_USE_REGSET
|
||
|
|
#endif
|
||
|
|
#define ELF_FDPIC_CORE_EFLAGS EF_BFIN_FDPIC
|
||
|
|
#define ELF_EXEC_PAGESIZE 4096
|
||
|
|
|
||
|
|
#define R_BFIN_UNUSED0 0 /* relocation type 0 is not defined */
|
||
|
|
#define R_BFIN_PCREL5M2 1 /* LSETUP part a */
|
||
|
|
#define R_BFIN_UNUSED1 2 /* relocation type 2 is not defined */
|
||
|
|
#define R_BFIN_PCREL10 3 /* type 3, if cc jump <target> */
|
||
|
|
#define R_BFIN_PCREL12_JUMP 4 /* type 4, jump <target> */
|
||
|
|
#define R_BFIN_RIMM16 5 /* type 0x5, rN = <target> */
|
||
|
|
#define R_BFIN_LUIMM16 6 /* # 0x6, preg.l=<target> Load imm 16 to lower half */
|
||
|
|
#define R_BFIN_HUIMM16 7 /* # 0x7, preg.h=<target> Load imm 16 to upper half */
|
||
|
|
#define R_BFIN_PCREL12_JUMP_S 8 /* # 0x8 jump.s <target> */
|
||
|
|
#define R_BFIN_PCREL24_JUMP_X 9 /* # 0x9 jump.x <target> */
|
||
|
|
#define R_BFIN_PCREL24 10 /* # 0xa call <target> , not expandable */
|
||
|
|
#define R_BFIN_UNUSEDB 11 /* # 0xb not generated */
|
||
|
|
#define R_BFIN_UNUSEDC 12 /* # 0xc not used */
|
||
|
|
#define R_BFIN_PCREL24_JUMP_L 13 /* 0xd jump.l <target> */
|
||
|
|
#define R_BFIN_PCREL24_CALL_X 14 /* 0xE, call.x <target> if <target> is above 24 bit limit call through P1 */
|
||
|
|
#define R_BFIN_VAR_EQ_SYMB 15 /* 0xf, linker should treat it same as 0x12 */
|
||
|
|
#define R_BFIN_BYTE_DATA 16 /* 0x10, .byte var = symbol */
|
||
|
|
#define R_BFIN_BYTE2_DATA 17 /* 0x11, .byte2 var = symbol */
|
||
|
|
#define R_BFIN_BYTE4_DATA 18 /* 0x12, .byte4 var = symbol and .var var=symbol */
|
||
|
|
#define R_BFIN_PCREL11 19 /* 0x13, lsetup part b */
|
||
|
|
#define R_BFIN_UNUSED14 20 /* 0x14, undefined */
|
||
|
|
#define R_BFIN_UNUSED15 21 /* not generated by VDSP 3.5 */
|
||
|
|
|
||
|
|
/* arithmetic relocations */
|
||
|
|
#define R_BFIN_PUSH 0xE0
|
||
|
|
#define R_BFIN_CONST 0xE1
|
||
|
|
#define R_BFIN_ADD 0xE2
|
||
|
|
#define R_BFIN_SUB 0xE3
|
||
|
|
#define R_BFIN_MULT 0xE4
|
||
|
|
#define R_BFIN_DIV 0xE5
|
||
|
|
#define R_BFIN_MOD 0xE6
|
||
|
|
#define R_BFIN_LSHIFT 0xE7
|
||
|
|
#define R_BFIN_RSHIFT 0xE8
|
||
|
|
#define R_BFIN_AND 0xE9
|
||
|
|
#define R_BFIN_OR 0xEA
|
||
|
|
#define R_BFIN_XOR 0xEB
|
||
|
|
#define R_BFIN_LAND 0xEC
|
||
|
|
#define R_BFIN_LOR 0xED
|
||
|
|
#define R_BFIN_LEN 0xEE
|
||
|
|
#define R_BFIN_NEG 0xEF
|
||
|
|
#define R_BFIN_COMP 0xF0
|
||
|
|
#define R_BFIN_PAGE 0xF1
|
||
|
|
#define R_BFIN_HWPAGE 0xF2
|
||
|
|
#define R_BFIN_ADDR 0xF3
|
||
|
|
|
||
|
|
/* 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 0xD0000000UL
|
||
|
|
|
||
|
|
#define ELF_CORE_COPY_REGS(pr_reg, regs) \
|
||
|
|
memcpy((char *) &pr_reg, (char *)regs, \
|
||
|
|
sizeof(struct pt_regs));
|
||
|
|
#define ELF_CORE_COPY_FPREGS(...) 0 /* Blackfin has no FPU */
|
||
|
|
|
||
|
|
/* 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)
|
||
|
|
|
||
|
|
#endif
|