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
|
/*
* Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Licensed under the GPL
*/
#ifndef __UM_ELF_X86_H
#define __UM_ELF_X86_H
#include <asm/user.h>
#include "skas.h"
#ifdef CONFIG_X86_32
#define R_386_NONE 0
#define R_386_32 1
#define R_386_PC32 2
#define R_386_GOT32 3
#define R_386_PLT32 4
#define R_386_COPY 5
#define R_386_GLOB_DAT 6
#define R_386_JMP_SLOT 7
#define R_386_RELATIVE 8
#define R_386_GOTOFF 9
#define R_386_GOTPC 10
#define R_386_NUM 11
/*
* This is used to ensure we don't load something for the wrong architecture.
*/
#define elf_check_arch(x) \
(((x)->e_machine == EM_386) || ((x)->e_machine == EM_486))
#define ELF_CLASS ELFCLASS32
#define ELF_DATA ELFDATA2LSB
#define ELF_ARCH EM_386
#define ELF_PLAT_INIT(regs, load_addr) do { \
PT_REGS_BX(regs) = 0; \
PT_REGS_CX(regs) = 0; \
PT_REGS_DX(regs) = 0; \
PT_REGS_SI(regs) = 0; \
PT_REGS_DI(regs) = 0; \
PT_REGS_BP(regs) = 0; \
PT_REGS_AX(regs) = 0; \
} while (0)
/* Shamelessly stolen from include/asm-i386/elf.h */
#define ELF_CORE_COPY_REGS(pr_reg, regs) do { \
pr_reg[0] = PT_REGS_BX(regs); \
pr_reg[1] = PT_REGS_CX(regs); \
pr_reg[2] = PT_REGS_DX(regs); \
pr_reg[3] = PT_REGS_SI(regs); \
pr_reg[4] = PT_REGS_DI(regs); \
pr_reg[5] = PT_REGS_BP(regs); \
pr_reg[6] = PT_REGS_AX(regs); \
pr_reg[7] = PT_REGS_DS(regs); \
pr_reg[8] = PT_REGS_ES(regs); \
/* fake once used fs and gs selectors? */ \
pr_reg[9] = PT_REGS_DS(regs); \
pr_reg[10] = PT_REGS_DS(regs); \
pr_reg[11] = PT_REGS_SYSCALL_NR(regs); \
pr_reg[12] = PT_REGS_IP(regs); \
pr_reg[13] = PT_REGS_CS(regs); \
pr_reg[14] = PT_REGS_EFLAGS(regs); \
pr_reg[15] = PT_REGS_SP(regs); \
pr_reg[16] = PT_REGS_SS(regs); \
} while (0);
extern char * elf_aux_platform;
#define ELF_PLATFORM (elf_aux_platform)
extern unsigned long vsyscall_ehdr;
extern unsigned long vsyscall_end;
extern unsigned long __kernel_vsyscall;
/*
* This is the range that is readable by user mode, and things
* acting like user mode such as get_user_pages.
*/
#define FIXADDR_USER_START vsyscall_ehdr
#define FIXADDR_USER_END vsyscall_end
/*
* Architecture-neutral AT_ values in 0-17, leave some room
* for more of them, start the x86-specific ones at 32.
*/
#define AT_SYSINFO 32
#define AT_SYSINFO_EHDR 33
#define ARCH_DLINFO \
do { \
if ( vsyscall_ehdr ) { \
NEW_AUX_ENT(AT_SYSINFO, __kernel_vsyscall); \
NEW_AUX_ENT(AT_SYSINFO_EHDR, vsyscall_ehdr); \
} \
} while (0)
#else
/* x86-64 relocation types, taken from asm-x86_64/elf.h */
#define R_X86_64_NONE 0 /* No reloc */
#define R_X86_64_64 1 /* Direct 64 bit */
#define R_X86_64_PC32 2 /* PC relative 32 bit signed */
#define R_X86_64_GOT32 3 /* 32 bit GOT entry */
#define R_X86_64_PLT32 4 /* 32 bit PLT address */
#define R_X86_64_COPY 5 /* Copy symbol at runtime */
#define R_X86_64_GLOB_DAT 6 /* Create GOT entry */
#define R_X86_64_JUMP_SLOT 7 /* Create PLT entry */
#define R_X86_64_RELATIVE 8 /* Adjust by program base */
#define R_X86_64_GOTPCREL 9 /* 32 bit signed pc relative
offset to GOT */
#define R_X86_64_32 10 /* Direct 32 bit zero extended */
#define R_X86_64_32S 11 /* Direct 32 bit sign extended */
#define R_X86_64_16 12 /* Direct 16 bit zero extended */
#define R_X86_64_PC16 13 /* 16 bit sign extended pc relative */
#define R_X86_64_8 14 /* Direct 8 bit sign extended */
#define R_X86_64_PC8 15 /* 8 bit sign extended pc relative */
#define R_X86_64_NUM 16
/*
* This is used to ensure we don't load something for the wrong architecture.
*/
#define elf_check_arch(x) \
((x)->e_machine == EM_X86_64)
#define ELF_CLASS ELFCLASS64
#define ELF_DATA ELFDATA2LSB
#define ELF_ARCH EM_X86_64
#define ELF_PLAT_INIT(regs, load_addr) do { \
PT_REGS_BX(regs) = 0; \
PT_REGS_CX(regs) = 0; \
PT_REGS_DX(regs) = 0; \
PT_REGS_SI(regs) = 0; \
PT_REGS_DI(regs) = 0; \
PT_REGS_BP(regs) = 0; \
PT_REGS_AX(regs) = 0; \
PT_REGS_R8(regs) = 0; \
PT_REGS_R9(regs) = 0; \
PT_REGS_R10(regs) = 0; \
PT_REGS_R11(regs) = 0; \
PT_REGS_R12(regs) = 0; \
PT_REGS_R13(regs) = 0; \
PT_REGS_R14(regs) = 0; \
PT_REGS_R15(regs) = 0; \
} while (0)
#define ELF_CORE_COPY_REGS(pr_reg, _regs) \
(pr_reg)[0] = (_regs)->regs.gp[0]; \
(pr_reg)[1] = (_regs)->regs.gp[1]; \
(pr_reg)[2] = (_regs)->regs.gp[2]; \
(pr_reg)[3] = (_regs)->regs.gp[3]; \
(pr_reg)[4] = (_regs)->regs.gp[4]; \
(pr_reg)[5] = (_regs)->regs.gp[5]; \
(pr_reg)[6] = (_regs)->regs.gp[6]; \
(pr_reg)[7] = (_regs)->regs.gp[7]; \
(pr_reg)[8] = (_regs)->regs.gp[8]; \
(pr_reg)[9] = (_regs)->regs.gp[9]; \
(pr_reg)[10] = (_regs)->regs.gp[10]; \
(pr_reg)[11] = (_regs)->regs.gp[11]; \
(pr_reg)[12] = (_regs)->regs.gp[12]; \
(pr_reg)[13] = (_regs)->regs.gp[13]; \
(pr_reg)[14] = (_regs)->regs.gp[14]; \
(pr_reg)[15] = (_regs)->regs.gp[15]; \
(pr_reg)[16] = (_regs)->regs.gp[16]; \
(pr_reg)[17] = (_regs)->regs.gp[17]; \
(pr_reg)[18] = (_regs)->regs.gp[18]; \
(pr_reg)[19] = (_regs)->regs.gp[19]; \
(pr_reg)[20] = (_regs)->regs.gp[20]; \
(pr_reg)[21] = current->thread.arch.fs; \
(pr_reg)[22] = 0; \
(pr_reg)[23] = 0; \
(pr_reg)[24] = 0; \
(pr_reg)[25] = 0; \
(pr_reg)[26] = 0;
#define ELF_PLATFORM "x86_64"
/* No user-accessible fixmap addresses, i.e. vsyscall */
#define FIXADDR_USER_START 0
#define FIXADDR_USER_END 0
#define ARCH_HAS_SETUP_ADDITIONAL_PAGES 1
struct linux_binprm;
extern int arch_setup_additional_pages(struct linux_binprm *bprm,
int uses_interp);
extern unsigned long um_vdso_addr;
#define AT_SYSINFO_EHDR 33
#define ARCH_DLINFO NEW_AUX_ENT(AT_SYSINFO_EHDR, um_vdso_addr)
#endif
typedef unsigned long elf_greg_t;
#define ELF_NGREG (sizeof (struct user_regs_struct) / sizeof(elf_greg_t))
typedef elf_greg_t elf_gregset_t[ELF_NGREG];
typedef struct user_i387_struct elf_fpregset_t;
#define task_pt_regs(t) (&(t)->thread.regs)
struct task_struct;
extern int elf_core_copy_fpregs(struct task_struct *t, elf_fpregset_t *fpu);
#define ELF_CORE_COPY_FPREGS(t, fpu) elf_core_copy_fpregs(t, fpu)
#define ELF_EXEC_PAGESIZE 4096
#define ELF_ET_DYN_BASE (2 * TASK_SIZE / 3)
extern long elf_aux_hwcap;
#define ELF_HWCAP (elf_aux_hwcap)
#define SET_PERSONALITY(ex) do ; while(0)
#define __HAVE_ARCH_GATE_AREA 1
#endif
|
