1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
|
/*
* ELF definitions for the Hexagon architecture
*
* Copyright (c) 2010-2012, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
#ifndef __ASM_ELF_H
#define __ASM_ELF_H
#include <asm/ptrace.h>
#include <asm/user.h>
/*
* This should really be in linux/elf-em.h.
*/
#define EM_HEXAGON 164 /* QUALCOMM Hexagon */
struct elf32_hdr;
/*
* ELF header e_flags defines.
*/
/* should have stuff like "CPU type" and maybe "ABI version", etc */
/* Hexagon relocations */
/* V2 */
#define R_HEXAGON_NONE 0
#define R_HEXAGON_B22_PCREL 1
#define R_HEXAGON_B15_PCREL 2
#define R_HEXAGON_B7_PCREL 3
#define R_HEXAGON_LO16 4
#define R_HEXAGON_HI16 5
#define R_HEXAGON_32 6
#define R_HEXAGON_16 7
#define R_HEXAGON_8 8
#define R_HEXAGON_GPREL16_0 9
#define R_HEXAGON_GPREL16_1 10
#define R_HEXAGON_GPREL16_2 11
#define R_HEXAGON_GPREL16_3 12
#define R_HEXAGON_HL16 13
/* V3 */
#define R_HEXAGON_B13_PCREL 14
/* V4 */
#define R_HEXAGON_B9_PCREL 15
/* V4 (extenders) */
#define R_HEXAGON_B32_PCREL_X 16
#define R_HEXAGON_32_6_X 17
/* V4 (extended) */
#define R_HEXAGON_B22_PCREL_X 18
#define R_HEXAGON_B15_PCREL_X 19
#define R_HEXAGON_B13_PCREL_X 20
#define R_HEXAGON_B9_PCREL_X 21
#define R_HEXAGON_B7_PCREL_X 22
#define R_HEXAGON_16_X 23
#define R_HEXAGON_12_X 24
#define R_HEXAGON_11_X 25
#define R_HEXAGON_10_X 26
#define R_HEXAGON_9_X 27
#define R_HEXAGON_8_X 28
#define R_HEXAGON_7_X 29
#define R_HEXAGON_6_X 30
/* V2 PIC */
#define R_HEXAGON_32_PCREL 31
#define R_HEXAGON_COPY 32
#define R_HEXAGON_GLOB_DAT 33
#define R_HEXAGON_JMP_SLOT 34
#define R_HEXAGON_RELATIVE 35
#define R_HEXAGON_PLT_B22_PCREL 36
#define R_HEXAGON_GOTOFF_LO16 37
#define R_HEXAGON_GOTOFF_HI16 38
#define R_HEXAGON_GOTOFF_32 39
#define R_HEXAGON_GOT_LO16 40
#define R_HEXAGON_GOT_HI16 41
#define R_HEXAGON_GOT_32 42
#define R_HEXAGON_GOT_16 43
/*
* ELF register definitions..
*/
typedef unsigned long elf_greg_t;
typedef struct user_regs_struct elf_gregset_t;
#define ELF_NGREG (sizeof(elf_gregset_t)/sizeof(unsigned long))
/* Placeholder */
typedef unsigned long elf_fpregset_t;
/*
* Bypass the whole "regsets" thing for now and use the define.
*/
#if CONFIG_HEXAGON_ARCH_VERSION >= 4
#define CS_COPYREGS(DEST,REGS) \
do {\
DEST.cs0 = REGS->cs0;\
DEST.cs1 = REGS->cs1;\
} while (0)
#else
#define CS_COPYREGS(DEST,REGS)
#endif
#define ELF_CORE_COPY_REGS(DEST, REGS) \
do { \
DEST.r0 = REGS->r00; \
DEST.r1 = REGS->r01; \
DEST.r2 = REGS->r02; \
DEST.r3 = REGS->r03; \
DEST.r4 = REGS->r04; \
DEST.r5 = REGS->r05; \
DEST.r6 = REGS->r06; \
DEST.r7 = REGS->r07; \
DEST.r8 = REGS->r08; \
DEST.r9 = REGS->r09; \
DEST.r10 = REGS->r10; \
DEST.r11 = REGS->r11; \
DEST.r12 = REGS->r12; \
DEST.r13 = REGS->r13; \
DEST.r14 = REGS->r14; \
DEST.r15 = REGS->r15; \
DEST.r16 = REGS->r16; \
DEST.r17 = REGS->r17; \
DEST.r18 = REGS->r18; \
DEST.r19 = REGS->r19; \
DEST.r20 = REGS->r20; \
DEST.r21 = REGS->r21; \
DEST.r22 = REGS->r22; \
DEST.r23 = REGS->r23; \
DEST.r24 = REGS->r24; \
DEST.r25 = REGS->r25; \
DEST.r26 = REGS->r26; \
DEST.r27 = REGS->r27; \
DEST.r28 = REGS->r28; \
DEST.r29 = pt_psp(REGS); \
DEST.r30 = REGS->r30; \
DEST.r31 = REGS->r31; \
DEST.sa0 = REGS->sa0; \
DEST.lc0 = REGS->lc0; \
DEST.sa1 = REGS->sa1; \
DEST.lc1 = REGS->lc1; \
DEST.m0 = REGS->m0; \
DEST.m1 = REGS->m1; \
DEST.usr = REGS->usr; \
DEST.p3_0 = REGS->preds; \
DEST.gp = REGS->gp; \
DEST.ugp = REGS->ugp; \
CS_COPYREGS(DEST,REGS); \
DEST.pc = pt_elr(REGS); \
DEST.cause = pt_cause(REGS); \
DEST.badva = pt_badva(REGS); \
} while (0);
/*
* This is used to ensure we don't load something for the wrong architecture.
* Checks the machine and ABI type.
*/
#define elf_check_arch(hdr) ((hdr)->e_machine == EM_HEXAGON)
/*
* These are used to set parameters in the core dumps.
*/
#define ELF_CLASS ELFCLASS32
#define ELF_DATA ELFDATA2LSB
#define ELF_ARCH EM_HEXAGON
#if CONFIG_HEXAGON_ARCH_VERSION == 2
#define ELF_CORE_EFLAGS 0x1
#endif
#if CONFIG_HEXAGON_ARCH_VERSION == 3
#define ELF_CORE_EFLAGS 0x2
#endif
#if CONFIG_HEXAGON_ARCH_VERSION == 4
#define ELF_CORE_EFLAGS 0x3
#endif
/*
* Some architectures have ld.so set up a pointer to a function
* to be registered using atexit, to facilitate cleanup. So that
* static executables will be well-behaved, we would null the register
* in question here, in the pt_regs structure passed. For now,
* leave it a null macro.
*/
#define ELF_PLAT_INIT(regs, load_addr) do { } while (0)
#define USE_ELF_CORE_DUMP
#define CORE_DUMP_USE_REGSET
/* Hrm is this going to cause problems for changing PAGE_SIZE? */
#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 0x08000000UL
/*
* 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)
#define ARCH_HAS_SETUP_ADDITIONAL_PAGES 1
struct linux_binprm;
extern int arch_setup_additional_pages(struct linux_binprm *bprm,
int uses_interp);
#endif
|
