Merge commit 'linus/master' into HEAD
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / arch / microblaze / include / asm / elf.h
CommitLineData
c6087fdc 1/*
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2 * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu>
3 * Copyright (C) 2008-2009 PetaLogix
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4 * Copyright (C) 2006 Atmark Techno, Inc.
5 *
6 * This file is subject to the terms and conditions of the GNU General Public
7 * License. See the file "COPYING" in the main directory of this archive
8 * for more details.
9 */
10
11#ifndef _ASM_MICROBLAZE_ELF_H
12#define _ASM_MICROBLAZE_ELF_H
13
14/*
15 * Note there is no "official" ELF designation for Microblaze.
16 * I've snaffled the value from the microblaze binutils source code
17 * /binutils/microblaze/include/elf/microblaze.h
18 */
19#define EM_XILINX_MICROBLAZE 0xbaab
20#define ELF_ARCH EM_XILINX_MICROBLAZE
21
22/*
23 * This is used to ensure we don't load something for the wrong architecture.
24 */
25#define elf_check_arch(x) ((x)->e_machine == EM_XILINX_MICROBLAZE)
26
27/*
28 * These are used to set parameters in the core dumps.
29 */
30#define ELF_CLASS ELFCLASS32
31
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32#ifndef __uClinux__
33
34/*
35 * ELF register definitions..
36 */
37
38#include <asm/ptrace.h>
39#include <asm/byteorder.h>
40
41#ifndef ELF_GREG_T
42#define ELF_GREG_T
43typedef unsigned long elf_greg_t;
44#endif
45
46#ifndef ELF_NGREG
47#define ELF_NGREG (sizeof(struct pt_regs) / sizeof(elf_greg_t))
48#endif
49
50#ifndef ELF_GREGSET_T
51#define ELF_GREGSET_T
52typedef elf_greg_t elf_gregset_t[ELF_NGREG];
53#endif
54
55#ifndef ELF_FPREGSET_T
56#define ELF_FPREGSET_T
57
58/* TBD */
59#define ELF_NFPREG 33 /* includes fsr */
60typedef unsigned long elf_fpreg_t;
61typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG];
62
63/* typedef struct user_fpu_struct elf_fpregset_t; */
64#endif
65
66/* This is the location that an ET_DYN program is loaded if exec'ed. Typical
67 * use of this is to invoke "./ld.so someprog" to test out a new version of
68 * the loader. We need to make sure that it is out of the way of the program
69 * that it will "exec", and that there is sufficient room for the brk.
70 */
71
72#define ELF_ET_DYN_BASE (0x08000000)
73
74#ifdef __LITTLE_ENDIAN__
75#define ELF_DATA ELFDATA2LSB
76#else
77#define ELF_DATA ELFDATA2MSB
78#endif
79
80#define USE_ELF_CORE_DUMP
81#define ELF_EXEC_PAGESIZE 4096
82
83
84#define ELF_CORE_COPY_REGS(_dest, _regs) \
85 memcpy((char *) &_dest, (char *) _regs, \
86 sizeof(struct pt_regs));
87
88/* This yields a mask that user programs can use to figure out what
89 * instruction set this CPU supports. This could be done in user space,
90 * but it's not easy, and we've already done it here.
91 */
92#define ELF_HWCAP (0)
93
94/* This yields a string that ld.so will use to load implementation
95 * specific libraries for optimization. This is more specific in
96 * intent than poking at uname or /proc/cpuinfo.
97
98 * For the moment, we have only optimizations for the Intel generations,
99 * but that could change...
100 */
101#define ELF_PLATFORM (NULL)
102
103/* Added _f parameter. Is this definition correct: TBD */
104#define ELF_PLAT_INIT(_r, _f) \
105do { \
106 _r->r1 = _r->r1 = _r->r2 = _r->r3 = \
107 _r->r4 = _r->r5 = _r->r6 = _r->r7 = \
108 _r->r8 = _r->r9 = _r->r10 = _r->r11 = \
109 _r->r12 = _r->r13 = _r->r14 = _r->r15 = \
110 _r->r16 = _r->r17 = _r->r18 = _r->r19 = \
111 _r->r20 = _r->r21 = _r->r22 = _r->r23 = \
112 _r->r24 = _r->r25 = _r->r26 = _r->r27 = \
113 _r->r28 = _r->r29 = _r->r30 = _r->r31 = \
114 0; \
115} while (0)
116
117#ifdef __KERNEL__
118#define SET_PERSONALITY(ex) set_personality(PER_LINUX_32BIT)
119#endif
120
121#endif /* __uClinux__ */
122
c6087fdc 123#endif /* _ASM_MICROBLAZE_ELF_H */