[GitHub/mt8127/android_kernel_alcatel_ttab.git] / arch / arm / include / asm / elf.h

#ifndef __ASMARM_ELF_H
#define __ASMARM_ELF_H

#include <asm/hwcap.h>

/*
 * ELF register definitions..
 */
#include <asm/ptrace.h>
#include <asm/user.h>

typedef unsigned long elf_greg_t;
typedef unsigned long elf_freg_t[3];

#define ELF_NGREG (sizeof (struct pt_regs) / sizeof(elf_greg_t))
typedef elf_greg_t elf_gregset_t[ELF_NGREG];

typedef struct user_fp elf_fpregset_t;

#define EM_ARM	40

#define EF_ARM_EABI_MASK	0xff000000
#define EF_ARM_EABI_UNKNOWN	0x00000000
#define EF_ARM_EABI_VER1	0x01000000
#define EF_ARM_EABI_VER2	0x02000000
#define EF_ARM_EABI_VER3	0x03000000
#define EF_ARM_EABI_VER4	0x04000000
#define EF_ARM_EABI_VER5	0x05000000

#define EF_ARM_BE8		0x00800000	/* ABI 4,5 */
#define EF_ARM_LE8		0x00400000	/* ABI 4,5 */
#define EF_ARM_MAVERICK_FLOAT	0x00000800	/* ABI 0 */
#define EF_ARM_VFP_FLOAT	0x00000400	/* ABI 0 */
#define EF_ARM_SOFT_FLOAT	0x00000200	/* ABI 0 */
#define EF_ARM_OLD_ABI		0x00000100	/* ABI 0 */
#define EF_ARM_NEW_ABI		0x00000080	/* ABI 0 */
#define EF_ARM_ALIGN8		0x00000040	/* ABI 0 */
#define EF_ARM_PIC		0x00000020	/* ABI 0 */
#define EF_ARM_MAPSYMSFIRST	0x00000010	/* ABI 2 */
#define EF_ARM_APCS_FLOAT	0x00000010	/* ABI 0, floats in fp regs */
#define EF_ARM_DYNSYMSUSESEGIDX	0x00000008	/* ABI 2 */
#define EF_ARM_APCS_26		0x00000008	/* ABI 0 */
#define EF_ARM_SYMSARESORTED	0x00000004	/* ABI 1,2 */
#define EF_ARM_INTERWORK	0x00000004	/* ABI 0 */
#define EF_ARM_HASENTRY		0x00000002	/* All */
#define EF_ARM_RELEXEC		0x00000001	/* All */

#define R_ARM_NONE	0
#define R_ARM_PC24	1
#define R_ARM_ABS32	2
#define R_ARM_CALL	28
#define R_ARM_JUMP24	29
#define R_ARM_PREL31	42

/*
 * These are used to set parameters in the core dumps.
 */
#define ELF_CLASS	ELFCLASS32
#ifdef __ARMEB__
#define ELF_DATA	ELFDATA2MSB
#else
#define ELF_DATA	ELFDATA2LSB
#endif
#define ELF_ARCH	EM_ARM

/*
 * 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.
 *
 * For now we just provide a fairly general string that describes the
 * processor family.  This could be made more specific later if someone
 * implemented optimisations that require it.  26-bit CPUs give you
 * "v1l" for ARM2 (no SWP) and "v2l" for anything else (ARM1 isn't
 * supported).  32-bit CPUs give you "v3[lb]" for anything based on an
 * ARM6 or ARM7 core and "armv4[lb]" for anything based on a StrongARM-1
 * core.
 */
#define ELF_PLATFORM_SIZE 8
#define ELF_PLATFORM	(elf_platform)

extern char elf_platform[];

struct elf32_hdr;

/*
 * This is used to ensure we don't load something for the wrong architecture.
 */
extern int elf_check_arch(const struct elf32_hdr *);
#define elf_check_arch elf_check_arch

extern int arm_elf_read_implies_exec(const struct elf32_hdr *, int);
#define elf_read_implies_exec(ex,stk) arm_elf_read_implies_exec(&(ex), stk)

#define USE_ELF_CORE_DUMP
#define ELF_EXEC_PAGESIZE	4096

/* 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	(2 * TASK_SIZE / 3)

/* When the program starts, a1 contains a pointer to a function to be 
   registered with atexit, as per the SVR4 ABI.  A value of 0 means we 
   have no such handler.  */
#define ELF_PLAT_INIT(_r, load_addr)	(_r)->ARM_r0 = 0

extern void elf_set_personality(const struct elf32_hdr *);
#define SET_PERSONALITY(ex)	elf_set_personality(&(ex))

#endif
Commit	Line	Data
1da177e4 LT	1	#ifndef __ASMARM_ELF_H
	2	#define __ASMARM_ELF_H
	3
f393e99d DW	4	#include <asm/hwcap.h>
f393e99d DW	5
1da177e4 LT	6	/*
	7	* ELF register definitions..
	8	*/
1da177e4 LT	9	#include <asm/ptrace.h>
1da177e4 LT	10	#include <asm/user.h>
1da177e4 LT	11
	12	typedef unsigned long elf_greg_t;
	13	typedef unsigned long elf_freg_t[3];
	14
4a5222ca RK	15	#define ELF_NGREG (sizeof (struct pt_regs) / sizeof(elf_greg_t))
	16	typedef elf_greg_t elf_gregset_t[ELF_NGREG];
	17
	18	typedef struct user_fp elf_fpregset_t;
4a5222ca	19
1da177e4	20	#define EM_ARM 40
8ec53663 RK	21
	22	#define EF_ARM_EABI_MASK 0xff000000
	23	#define EF_ARM_EABI_UNKNOWN 0x00000000
	24	#define EF_ARM_EABI_VER1 0x01000000
	25	#define EF_ARM_EABI_VER2 0x02000000
	26	#define EF_ARM_EABI_VER3 0x03000000
	27	#define EF_ARM_EABI_VER4 0x04000000
	28	#define EF_ARM_EABI_VER5 0x05000000
	29
	30	#define EF_ARM_BE8 0x00800000 /* ABI 4,5 */
	31	#define EF_ARM_LE8 0x00400000 /* ABI 4,5 */
	32	#define EF_ARM_MAVERICK_FLOAT 0x00000800 /* ABI 0 */
	33	#define EF_ARM_VFP_FLOAT 0x00000400 /* ABI 0 */
	34	#define EF_ARM_SOFT_FLOAT 0x00000200 /* ABI 0 */
	35	#define EF_ARM_OLD_ABI 0x00000100 /* ABI 0 */
	36	#define EF_ARM_NEW_ABI 0x00000080 /* ABI 0 */
	37	#define EF_ARM_ALIGN8 0x00000040 /* ABI 0 */
	38	#define EF_ARM_PIC 0x00000020 /* ABI 0 */
	39	#define EF_ARM_MAPSYMSFIRST 0x00000010 /* ABI 2 */
	40	#define EF_ARM_APCS_FLOAT 0x00000010 /* ABI 0, floats in fp regs */
	41	#define EF_ARM_DYNSYMSUSESEGIDX 0x00000008 /* ABI 2 */
	42	#define EF_ARM_APCS_26 0x00000008 /* ABI 0 */
	43	#define EF_ARM_SYMSARESORTED 0x00000004 /* ABI 1,2 */
	44	#define EF_ARM_INTERWORK 0x00000004 /* ABI 0 */
	45	#define EF_ARM_HASENTRY 0x00000002 /* All */
	46	#define EF_ARM_RELEXEC 0x00000001 /* All */
1da177e4 LT	47
	48	#define R_ARM_NONE 0
	49	#define R_ARM_PC24 1
	50	#define R_ARM_ABS32 2
c2e26114 DJ	51	#define R_ARM_CALL 28
c2e26114 DJ	52	#define R_ARM_JUMP24 29
2e1926e7	53	#define R_ARM_PREL31 42
1da177e4	54
1da177e4 LT	55	/*
	56	* These are used to set parameters in the core dumps.
	57	*/
	58	#define ELF_CLASS ELFCLASS32
	59	#ifdef __ARMEB__
718a30a5	60	#define ELF_DATA ELFDATA2MSB
1da177e4	61	#else
718a30a5	62	#define ELF_DATA ELFDATA2LSB
1da177e4 LT	63	#endif
	64	#define ELF_ARCH EM_ARM
	65
4a5222ca RK	66	/*
	67	* This yields a string that ld.so will use to load implementation
	68	* specific libraries for optimization. This is more specific in
	69	* intent than poking at uname or /proc/cpuinfo.
	70	*
	71	* For now we just provide a fairly general string that describes the
	72	* processor family. This could be made more specific later if someone
	73	* implemented optimisations that require it. 26-bit CPUs give you
	74	* "v1l" for ARM2 (no SWP) and "v2l" for anything else (ARM1 isn't
	75	* supported). 32-bit CPUs give you "v3[lb]" for anything based on an
	76	* ARM6 or ARM7 core and "armv4[lb]" for anything based on a StrongARM-1
	77	* core.
	78	*/
	79	#define ELF_PLATFORM_SIZE 8
	80	#define ELF_PLATFORM (elf_platform)
	81
	82	extern char elf_platform[];
4a5222ca	83
8ec53663	84	struct elf32_hdr;
4a5222ca RK	85
4a5222ca RK	86	/*
8ec53663	87	* This is used to ensure we don't load something for the wrong architecture.
4a5222ca	88	*/
8ec53663 RK	89	extern int elf_check_arch(const struct elf32_hdr *);
8ec53663 RK	90	#define elf_check_arch elf_check_arch
4a5222ca	91
8ec53663 RK	92	extern int arm_elf_read_implies_exec(const struct elf32_hdr *, int);
8ec53663 RK	93	#define elf_read_implies_exec(ex,stk) arm_elf_read_implies_exec(&(ex), stk)
6ff6340a	94
1da177e4 LT	95	#define USE_ELF_CORE_DUMP
	96	#define ELF_EXEC_PAGESIZE 4096
	97
	98	/* This is the location that an ET_DYN program is loaded if exec'ed. Typical
	99	use of this is to invoke "./ld.so someprog" to test out a new version of
	100	the loader. We need to make sure that it is out of the way of the program
	101	that it will "exec", and that there is sufficient room for the brk. */
	102
	103	#define ELF_ET_DYN_BASE (2 * TASK_SIZE / 3)
	104
	105	/* When the program starts, a1 contains a pointer to a function to be
	106	registered with atexit, as per the SVR4 ABI. A value of 0 means we
	107	have no such handler. */
	108	#define ELF_PLAT_INIT(_r, load_addr) (_r)->ARM_r0 = 0
	109
8ec53663	110	extern void elf_set_personality(const struct elf32_hdr *);
0b592682	111	#define SET_PERSONALITY(ex) elf_set_personality(&(ex))
1da177e4 LT	112
1da177e4 LT	113	#endif