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-rw-r--r--include/asm-xtensa/elf.h205
1 files changed, 0 insertions, 205 deletions
diff --git a/include/asm-xtensa/elf.h b/include/asm-xtensa/elf.h
deleted file mode 100644
index c3f53e755ca5..000000000000
--- a/include/asm-xtensa/elf.h
+++ /dev/null
@@ -1,205 +0,0 @@
1/*
2 * include/asm-xtensa/elf.h
3 *
4 * ELF register definitions
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 * Copyright (C) 2001 - 2005 Tensilica Inc.
11 */
12
13#ifndef _XTENSA_ELF_H
14#define _XTENSA_ELF_H
15
16#include <asm/ptrace.h>
17
18/* Xtensa processor ELF architecture-magic number */
19
20#define EM_XTENSA 94
21#define EM_XTENSA_OLD 0xABC7
22
23/* Xtensa relocations defined by the ABIs */
24
25#define R_XTENSA_NONE 0
26#define R_XTENSA_32 1
27#define R_XTENSA_RTLD 2
28#define R_XTENSA_GLOB_DAT 3
29#define R_XTENSA_JMP_SLOT 4
30#define R_XTENSA_RELATIVE 5
31#define R_XTENSA_PLT 6
32#define R_XTENSA_OP0 8
33#define R_XTENSA_OP1 9
34#define R_XTENSA_OP2 10
35#define R_XTENSA_ASM_EXPAND 11
36#define R_XTENSA_ASM_SIMPLIFY 12
37#define R_XTENSA_GNU_VTINHERIT 15
38#define R_XTENSA_GNU_VTENTRY 16
39#define R_XTENSA_DIFF8 17
40#define R_XTENSA_DIFF16 18
41#define R_XTENSA_DIFF32 19
42#define R_XTENSA_SLOT0_OP 20
43#define R_XTENSA_SLOT1_OP 21
44#define R_XTENSA_SLOT2_OP 22
45#define R_XTENSA_SLOT3_OP 23
46#define R_XTENSA_SLOT4_OP 24
47#define R_XTENSA_SLOT5_OP 25
48#define R_XTENSA_SLOT6_OP 26
49#define R_XTENSA_SLOT7_OP 27
50#define R_XTENSA_SLOT8_OP 28
51#define R_XTENSA_SLOT9_OP 29
52#define R_XTENSA_SLOT10_OP 30
53#define R_XTENSA_SLOT11_OP 31
54#define R_XTENSA_SLOT12_OP 32
55#define R_XTENSA_SLOT13_OP 33
56#define R_XTENSA_SLOT14_OP 34
57#define R_XTENSA_SLOT0_ALT 35
58#define R_XTENSA_SLOT1_ALT 36
59#define R_XTENSA_SLOT2_ALT 37
60#define R_XTENSA_SLOT3_ALT 38
61#define R_XTENSA_SLOT4_ALT 39
62#define R_XTENSA_SLOT5_ALT 40
63#define R_XTENSA_SLOT6_ALT 41
64#define R_XTENSA_SLOT7_ALT 42
65#define R_XTENSA_SLOT8_ALT 43
66#define R_XTENSA_SLOT9_ALT 44
67#define R_XTENSA_SLOT10_ALT 45
68#define R_XTENSA_SLOT11_ALT 46
69#define R_XTENSA_SLOT12_ALT 47
70#define R_XTENSA_SLOT13_ALT 48
71#define R_XTENSA_SLOT14_ALT 49
72
73/* ELF register definitions. This is needed for core dump support. */
74
75typedef unsigned long elf_greg_t;
76
77typedef struct {
78 elf_greg_t pc;
79 elf_greg_t ps;
80 elf_greg_t lbeg;
81 elf_greg_t lend;
82 elf_greg_t lcount;
83 elf_greg_t sar;
84 elf_greg_t windowstart;
85 elf_greg_t windowbase;
86 elf_greg_t reserved[8+48];
87 elf_greg_t a[64];
88} xtensa_gregset_t;
89
90#define ELF_NGREG (sizeof(xtensa_gregset_t) / sizeof(elf_greg_t))
91
92typedef elf_greg_t elf_gregset_t[ELF_NGREG];
93
94#define ELF_NFPREG 18
95
96typedef unsigned int elf_fpreg_t;
97typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG];
98
99#define ELF_CORE_COPY_REGS(_eregs, _pregs) \
100 xtensa_elf_core_copy_regs ((xtensa_gregset_t*)&(_eregs), _pregs);
101
102extern void xtensa_elf_core_copy_regs (xtensa_gregset_t *, struct pt_regs *);
103
104/*
105 * This is used to ensure we don't load something for the wrong architecture.
106 */
107
108#define elf_check_arch(x) ( ( (x)->e_machine == EM_XTENSA ) || \
109 ( (x)->e_machine == EM_XTENSA_OLD ) )
110
111/*
112 * These are used to set parameters in the core dumps.
113 */
114
115#ifdef __XTENSA_EL__
116# define ELF_DATA ELFDATA2LSB
117#elif defined(__XTENSA_EB__)
118# define ELF_DATA ELFDATA2MSB
119#else
120# error processor byte order undefined!
121#endif
122
123#define ELF_CLASS ELFCLASS32
124#define ELF_ARCH EM_XTENSA
125
126#define USE_ELF_CORE_DUMP
127#define ELF_EXEC_PAGESIZE PAGE_SIZE
128
129/*
130 * This is the location that an ET_DYN program is loaded if exec'ed. Typical
131 * use of this is to invoke "./ld.so someprog" to test out a new version of
132 * the loader. We need to make sure that it is out of the way of the program
133 * that it will "exec", and that there is sufficient room for the brk.
134 */
135
136#define ELF_ET_DYN_BASE (2 * TASK_SIZE / 3)
137
138/*
139 * This yields a mask that user programs can use to figure out what
140 * instruction set this CPU supports. This could be done in user space,
141 * but it's not easy, and we've already done it here.
142 */
143
144#define ELF_HWCAP (0)
145
146/*
147 * This yields a string that ld.so will use to load implementation
148 * specific libraries for optimization. This is more specific in
149 * intent than poking at uname or /proc/cpuinfo.
150 * For the moment, we have only optimizations for the Intel generations,
151 * but that could change...
152 */
153
154#define ELF_PLATFORM (NULL)
155
156/*
157 * The Xtensa processor ABI says that when the program starts, a2
158 * contains a pointer to a function which might be registered using
159 * `atexit'. This provides a mean for the dynamic linker to call
160 * DT_FINI functions for shared libraries that have been loaded before
161 * the code runs.
162 *
163 * A value of 0 tells we have no such handler.
164 *
165 * We might as well make sure everything else is cleared too (except
166 * for the stack pointer in a1), just to make things more
167 * deterministic. Also, clearing a0 terminates debugger backtraces.
168 */
169
170#define ELF_PLAT_INIT(_r, load_addr) \
171 do { _r->areg[0]=0; /*_r->areg[1]=0;*/ _r->areg[2]=0; _r->areg[3]=0; \
172 _r->areg[4]=0; _r->areg[5]=0; _r->areg[6]=0; _r->areg[7]=0; \
173 _r->areg[8]=0; _r->areg[9]=0; _r->areg[10]=0; _r->areg[11]=0; \
174 _r->areg[12]=0; _r->areg[13]=0; _r->areg[14]=0; _r->areg[15]=0; \
175 } while (0)
176
177typedef struct {
178 xtregs_opt_t opt;
179 xtregs_user_t user;
180#if XTENSA_HAVE_COPROCESSORS
181 xtregs_cp0_t cp0;
182 xtregs_cp1_t cp1;
183 xtregs_cp2_t cp2;
184 xtregs_cp3_t cp3;
185 xtregs_cp4_t cp4;
186 xtregs_cp5_t cp5;
187 xtregs_cp6_t cp6;
188 xtregs_cp7_t cp7;
189#endif
190} elf_xtregs_t;
191
192#define SET_PERSONALITY(ex) set_personality(PER_LINUX_32BIT)
193
194struct task_struct;
195
196extern void do_copy_regs (xtensa_gregset_t*, struct pt_regs*,
197 struct task_struct*);
198extern void do_restore_regs (xtensa_gregset_t*, struct pt_regs*,
199 struct task_struct*);
200extern void do_save_fpregs (elf_fpregset_t*, struct pt_regs*,
201 struct task_struct*);
202extern int do_restore_fpregs (elf_fpregset_t*, struct pt_regs*,
203 struct task_struct*);
204
205#endif /* _XTENSA_ELF_H */
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