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1/*
2 * include/asm-s390/elf.h
3 *
4 * S390 version
5 *
6 * Derived from "include/asm-i386/elf.h"
7 */
8
9#ifndef __ASMS390_ELF_H
10#define __ASMS390_ELF_H
11
12/* s390 relocations defined by the ABIs */
13#define R_390_NONE 0 /* No reloc. */
14#define R_390_8 1 /* Direct 8 bit. */
15#define R_390_12 2 /* Direct 12 bit. */
16#define R_390_16 3 /* Direct 16 bit. */
17#define R_390_32 4 /* Direct 32 bit. */
18#define R_390_PC32 5 /* PC relative 32 bit. */
19#define R_390_GOT12 6 /* 12 bit GOT offset. */
20#define R_390_GOT32 7 /* 32 bit GOT offset. */
21#define R_390_PLT32 8 /* 32 bit PC relative PLT address. */
22#define R_390_COPY 9 /* Copy symbol at runtime. */
23#define R_390_GLOB_DAT 10 /* Create GOT entry. */
24#define R_390_JMP_SLOT 11 /* Create PLT entry. */
25#define R_390_RELATIVE 12 /* Adjust by program base. */
26#define R_390_GOTOFF32 13 /* 32 bit offset to GOT. */
27#define R_390_GOTPC 14 /* 32 bit PC rel. offset to GOT. */
28#define R_390_GOT16 15 /* 16 bit GOT offset. */
29#define R_390_PC16 16 /* PC relative 16 bit. */
30#define R_390_PC16DBL 17 /* PC relative 16 bit shifted by 1. */
31#define R_390_PLT16DBL 18 /* 16 bit PC rel. PLT shifted by 1. */
32#define R_390_PC32DBL 19 /* PC relative 32 bit shifted by 1. */
33#define R_390_PLT32DBL 20 /* 32 bit PC rel. PLT shifted by 1. */
34#define R_390_GOTPCDBL 21 /* 32 bit PC rel. GOT shifted by 1. */
35#define R_390_64 22 /* Direct 64 bit. */
36#define R_390_PC64 23 /* PC relative 64 bit. */
37#define R_390_GOT64 24 /* 64 bit GOT offset. */
38#define R_390_PLT64 25 /* 64 bit PC relative PLT address. */
39#define R_390_GOTENT 26 /* 32 bit PC rel. to GOT entry >> 1. */
40#define R_390_GOTOFF16 27 /* 16 bit offset to GOT. */
41#define R_390_GOTOFF64 28 /* 64 bit offset to GOT. */
42#define R_390_GOTPLT12 29 /* 12 bit offset to jump slot. */
43#define R_390_GOTPLT16 30 /* 16 bit offset to jump slot. */
44#define R_390_GOTPLT32 31 /* 32 bit offset to jump slot. */
45#define R_390_GOTPLT64 32 /* 64 bit offset to jump slot. */
46#define R_390_GOTPLTENT 33 /* 32 bit rel. offset to jump slot. */
47#define R_390_PLTOFF16 34 /* 16 bit offset from GOT to PLT. */
48#define R_390_PLTOFF32 35 /* 32 bit offset from GOT to PLT. */
49#define R_390_PLTOFF64 36 /* 16 bit offset from GOT to PLT. */
50#define R_390_TLS_LOAD 37 /* Tag for load insn in TLS code. */
51#define R_390_TLS_GDCALL 38 /* Tag for function call in general
52 dynamic TLS code. */
53#define R_390_TLS_LDCALL 39 /* Tag for function call in local
54 dynamic TLS code. */
55#define R_390_TLS_GD32 40 /* Direct 32 bit for general dynamic
56 thread local data. */
57#define R_390_TLS_GD64 41 /* Direct 64 bit for general dynamic
58 thread local data. */
59#define R_390_TLS_GOTIE12 42 /* 12 bit GOT offset for static TLS
60 block offset. */
61#define R_390_TLS_GOTIE32 43 /* 32 bit GOT offset for static TLS
62 block offset. */
63#define R_390_TLS_GOTIE64 44 /* 64 bit GOT offset for static TLS
64 block offset. */
65#define R_390_TLS_LDM32 45 /* Direct 32 bit for local dynamic
66 thread local data in LD code. */
67#define R_390_TLS_LDM64 46 /* Direct 64 bit for local dynamic
68 thread local data in LD code. */
69#define R_390_TLS_IE32 47 /* 32 bit address of GOT entry for
70 negated static TLS block offset. */
71#define R_390_TLS_IE64 48 /* 64 bit address of GOT entry for
72 negated static TLS block offset. */
73#define R_390_TLS_IEENT 49 /* 32 bit rel. offset to GOT entry for
74 negated static TLS block offset. */
75#define R_390_TLS_LE32 50 /* 32 bit negated offset relative to
76 static TLS block. */
77#define R_390_TLS_LE64 51 /* 64 bit negated offset relative to
78 static TLS block. */
79#define R_390_TLS_LDO32 52 /* 32 bit offset relative to TLS
80 block. */
81#define R_390_TLS_LDO64 53 /* 64 bit offset relative to TLS
82 block. */
83#define R_390_TLS_DTPMOD 54 /* ID of module containing symbol. */
84#define R_390_TLS_DTPOFF 55 /* Offset in TLS block. */
85#define R_390_TLS_TPOFF 56 /* Negate offset in static TLS
86 block. */
87#define R_390_20 57 /* Direct 20 bit. */
88#define R_390_GOT20 58 /* 20 bit GOT offset. */
89#define R_390_GOTPLT20 59 /* 20 bit offset to jump slot. */
90#define R_390_TLS_GOTIE20 60 /* 20 bit GOT offset for static TLS
91 block offset. */
92/* Keep this the last entry. */
93#define R_390_NUM 61
94
95/* Bits present in AT_HWCAP. */
96#define HWCAP_S390_ESAN3 1
97#define HWCAP_S390_ZARCH 2
98#define HWCAP_S390_STFLE 4
99#define HWCAP_S390_MSA 8
100#define HWCAP_S390_LDISP 16
101#define HWCAP_S390_EIMM 32
102#define HWCAP_S390_DFP 64
103#define HWCAP_S390_HPAGE 128
104#define HWCAP_S390_ETF3EH 256
105#define HWCAP_S390_HIGH_GPRS 512
106
107/*
108 * These are used to set parameters in the core dumps.
109 */
110#ifndef CONFIG_64BIT
111#define ELF_CLASS ELFCLASS32
112#else /* CONFIG_64BIT */
113#define ELF_CLASS ELFCLASS64
114#endif /* CONFIG_64BIT */
115#define ELF_DATA ELFDATA2MSB
116#define ELF_ARCH EM_S390
117
118/*
119 * ELF register definitions..
120 */
121
122#include <asm/ptrace.h>
123#include <asm/user.h>
124
125typedef s390_fp_regs elf_fpregset_t;
126typedef s390_regs elf_gregset_t;
127
128typedef s390_fp_regs compat_elf_fpregset_t;
129typedef s390_compat_regs compat_elf_gregset_t;
130
131#include <linux/sched.h> /* for task_struct */
132#include <asm/mmu_context.h>
133
134#include <asm/vdso.h>
135
136extern unsigned int vdso_enabled;
137
138/*
139 * This is used to ensure we don't load something for the wrong architecture.
140 */
141#define elf_check_arch(x) \
142 (((x)->e_machine == EM_S390 || (x)->e_machine == EM_S390_OLD) \
143 && (x)->e_ident[EI_CLASS] == ELF_CLASS)
144#define compat_elf_check_arch(x) \
145 (((x)->e_machine == EM_S390 || (x)->e_machine == EM_S390_OLD) \
146 && (x)->e_ident[EI_CLASS] == ELF_CLASS)
147#define compat_start_thread start_thread31
148
149/* For SVR4/S390 the function pointer to be registered with `atexit` is
150 passed in R14. */
151#define ELF_PLAT_INIT(_r, load_addr) \
152 do { \
153 _r->gprs[14] = 0; \
154 } while (0)
155
156#define CORE_DUMP_USE_REGSET
157#define ELF_EXEC_PAGESIZE 4096
158
159/* This is the location that an ET_DYN program is loaded if exec'ed. Typical
160 use of this is to invoke "./ld.so someprog" to test out a new version of
161 the loader. We need to make sure that it is out of the way of the program
162 that it will "exec", and that there is sufficient room for the brk. */
163
164extern unsigned long randomize_et_dyn(unsigned long base);
165#define ELF_ET_DYN_BASE (randomize_et_dyn(STACK_TOP / 3 * 2))
166
167/* This yields a mask that user programs can use to figure out what
168 instruction set this CPU supports. */
169
170extern unsigned long elf_hwcap;
171#define ELF_HWCAP (elf_hwcap)
172
173/* This yields a string that ld.so will use to load implementation
174 specific libraries for optimization. This is more specific in
175 intent than poking at uname or /proc/cpuinfo.
176
177 For the moment, we have only optimizations for the Intel generations,
178 but that could change... */
179
180#define ELF_PLATFORM_SIZE 8
181extern char elf_platform[];
182#define ELF_PLATFORM (elf_platform)
183
184#ifndef CONFIG_64BIT
185#define SET_PERSONALITY(ex) set_personality(PER_LINUX)
186#else /* CONFIG_64BIT */
187#define SET_PERSONALITY(ex) \
188do { \
189 if (personality(current->personality) != PER_LINUX32) \
190 set_personality(PER_LINUX | \
191 (current->personality & ~PER_MASK)); \
192 if ((ex).e_ident[EI_CLASS] == ELFCLASS32) \
193 set_thread_flag(TIF_31BIT); \
194 else \
195 clear_thread_flag(TIF_31BIT); \
196} while (0)
197#endif /* CONFIG_64BIT */
198
199#define STACK_RND_MASK 0x7ffUL
200
201#define ARCH_DLINFO \
202do { \
203 if (vdso_enabled) \
204 NEW_AUX_ENT(AT_SYSINFO_EHDR, \
205 (unsigned long)current->mm->context.vdso_base); \
206} while (0)
207
208struct linux_binprm;
209
210#define ARCH_HAS_SETUP_ADDITIONAL_PAGES 1
211int arch_setup_additional_pages(struct linux_binprm *, int);
212
213extern unsigned long arch_randomize_brk(struct mm_struct *mm);
214#define arch_randomize_brk arch_randomize_brk
215
216#endif
1/*
2 * S390 version
3 *
4 * Derived from "include/asm-i386/elf.h"
5 */
6
7#ifndef __ASMS390_ELF_H
8#define __ASMS390_ELF_H
9
10/* s390 relocations defined by the ABIs */
11#define R_390_NONE 0 /* No reloc. */
12#define R_390_8 1 /* Direct 8 bit. */
13#define R_390_12 2 /* Direct 12 bit. */
14#define R_390_16 3 /* Direct 16 bit. */
15#define R_390_32 4 /* Direct 32 bit. */
16#define R_390_PC32 5 /* PC relative 32 bit. */
17#define R_390_GOT12 6 /* 12 bit GOT offset. */
18#define R_390_GOT32 7 /* 32 bit GOT offset. */
19#define R_390_PLT32 8 /* 32 bit PC relative PLT address. */
20#define R_390_COPY 9 /* Copy symbol at runtime. */
21#define R_390_GLOB_DAT 10 /* Create GOT entry. */
22#define R_390_JMP_SLOT 11 /* Create PLT entry. */
23#define R_390_RELATIVE 12 /* Adjust by program base. */
24#define R_390_GOTOFF32 13 /* 32 bit offset to GOT. */
25#define R_390_GOTPC 14 /* 32 bit PC rel. offset to GOT. */
26#define R_390_GOT16 15 /* 16 bit GOT offset. */
27#define R_390_PC16 16 /* PC relative 16 bit. */
28#define R_390_PC16DBL 17 /* PC relative 16 bit shifted by 1. */
29#define R_390_PLT16DBL 18 /* 16 bit PC rel. PLT shifted by 1. */
30#define R_390_PC32DBL 19 /* PC relative 32 bit shifted by 1. */
31#define R_390_PLT32DBL 20 /* 32 bit PC rel. PLT shifted by 1. */
32#define R_390_GOTPCDBL 21 /* 32 bit PC rel. GOT shifted by 1. */
33#define R_390_64 22 /* Direct 64 bit. */
34#define R_390_PC64 23 /* PC relative 64 bit. */
35#define R_390_GOT64 24 /* 64 bit GOT offset. */
36#define R_390_PLT64 25 /* 64 bit PC relative PLT address. */
37#define R_390_GOTENT 26 /* 32 bit PC rel. to GOT entry >> 1. */
38#define R_390_GOTOFF16 27 /* 16 bit offset to GOT. */
39#define R_390_GOTOFF64 28 /* 64 bit offset to GOT. */
40#define R_390_GOTPLT12 29 /* 12 bit offset to jump slot. */
41#define R_390_GOTPLT16 30 /* 16 bit offset to jump slot. */
42#define R_390_GOTPLT32 31 /* 32 bit offset to jump slot. */
43#define R_390_GOTPLT64 32 /* 64 bit offset to jump slot. */
44#define R_390_GOTPLTENT 33 /* 32 bit rel. offset to jump slot. */
45#define R_390_PLTOFF16 34 /* 16 bit offset from GOT to PLT. */
46#define R_390_PLTOFF32 35 /* 32 bit offset from GOT to PLT. */
47#define R_390_PLTOFF64 36 /* 16 bit offset from GOT to PLT. */
48#define R_390_TLS_LOAD 37 /* Tag for load insn in TLS code. */
49#define R_390_TLS_GDCALL 38 /* Tag for function call in general
50 dynamic TLS code. */
51#define R_390_TLS_LDCALL 39 /* Tag for function call in local
52 dynamic TLS code. */
53#define R_390_TLS_GD32 40 /* Direct 32 bit for general dynamic
54 thread local data. */
55#define R_390_TLS_GD64 41 /* Direct 64 bit for general dynamic
56 thread local data. */
57#define R_390_TLS_GOTIE12 42 /* 12 bit GOT offset for static TLS
58 block offset. */
59#define R_390_TLS_GOTIE32 43 /* 32 bit GOT offset for static TLS
60 block offset. */
61#define R_390_TLS_GOTIE64 44 /* 64 bit GOT offset for static TLS
62 block offset. */
63#define R_390_TLS_LDM32 45 /* Direct 32 bit for local dynamic
64 thread local data in LD code. */
65#define R_390_TLS_LDM64 46 /* Direct 64 bit for local dynamic
66 thread local data in LD code. */
67#define R_390_TLS_IE32 47 /* 32 bit address of GOT entry for
68 negated static TLS block offset. */
69#define R_390_TLS_IE64 48 /* 64 bit address of GOT entry for
70 negated static TLS block offset. */
71#define R_390_TLS_IEENT 49 /* 32 bit rel. offset to GOT entry for
72 negated static TLS block offset. */
73#define R_390_TLS_LE32 50 /* 32 bit negated offset relative to
74 static TLS block. */
75#define R_390_TLS_LE64 51 /* 64 bit negated offset relative to
76 static TLS block. */
77#define R_390_TLS_LDO32 52 /* 32 bit offset relative to TLS
78 block. */
79#define R_390_TLS_LDO64 53 /* 64 bit offset relative to TLS
80 block. */
81#define R_390_TLS_DTPMOD 54 /* ID of module containing symbol. */
82#define R_390_TLS_DTPOFF 55 /* Offset in TLS block. */
83#define R_390_TLS_TPOFF 56 /* Negate offset in static TLS
84 block. */
85#define R_390_20 57 /* Direct 20 bit. */
86#define R_390_GOT20 58 /* 20 bit GOT offset. */
87#define R_390_GOTPLT20 59 /* 20 bit offset to jump slot. */
88#define R_390_TLS_GOTIE20 60 /* 20 bit GOT offset for static TLS
89 block offset. */
90/* Keep this the last entry. */
91#define R_390_NUM 61
92
93/* Bits present in AT_HWCAP. */
94#define HWCAP_S390_ESAN3 1
95#define HWCAP_S390_ZARCH 2
96#define HWCAP_S390_STFLE 4
97#define HWCAP_S390_MSA 8
98#define HWCAP_S390_LDISP 16
99#define HWCAP_S390_EIMM 32
100#define HWCAP_S390_DFP 64
101#define HWCAP_S390_HPAGE 128
102#define HWCAP_S390_ETF3EH 256
103#define HWCAP_S390_HIGH_GPRS 512
104#define HWCAP_S390_TE 1024
105
106/*
107 * These are used to set parameters in the core dumps.
108 */
109#ifndef CONFIG_64BIT
110#define ELF_CLASS ELFCLASS32
111#else /* CONFIG_64BIT */
112#define ELF_CLASS ELFCLASS64
113#endif /* CONFIG_64BIT */
114#define ELF_DATA ELFDATA2MSB
115#define ELF_ARCH EM_S390
116
117/*
118 * ELF register definitions..
119 */
120
121#include <asm/ptrace.h>
122#include <asm/compat.h>
123#include <asm/syscall.h>
124#include <asm/user.h>
125
126typedef s390_fp_regs elf_fpregset_t;
127typedef s390_regs elf_gregset_t;
128
129typedef s390_fp_regs compat_elf_fpregset_t;
130typedef s390_compat_regs compat_elf_gregset_t;
131
132#include <linux/sched.h> /* for task_struct */
133#include <asm/mmu_context.h>
134
135#include <asm/vdso.h>
136
137extern unsigned int vdso_enabled;
138
139/*
140 * This is used to ensure we don't load something for the wrong architecture.
141 */
142#define elf_check_arch(x) \
143 (((x)->e_machine == EM_S390 || (x)->e_machine == EM_S390_OLD) \
144 && (x)->e_ident[EI_CLASS] == ELF_CLASS)
145#define compat_elf_check_arch(x) \
146 (((x)->e_machine == EM_S390 || (x)->e_machine == EM_S390_OLD) \
147 && (x)->e_ident[EI_CLASS] == ELF_CLASS)
148#define compat_start_thread start_thread31
149
150/* For SVR4/S390 the function pointer to be registered with `atexit` is
151 passed in R14. */
152#define ELF_PLAT_INIT(_r, load_addr) \
153 do { \
154 _r->gprs[14] = 0; \
155 } while (0)
156
157#define CORE_DUMP_USE_REGSET
158#define ELF_EXEC_PAGESIZE 4096
159
160/* This is the location that an ET_DYN program is loaded if exec'ed. Typical
161 use of this is to invoke "./ld.so someprog" to test out a new version of
162 the loader. We need to make sure that it is out of the way of the program
163 that it will "exec", and that there is sufficient room for the brk. */
164
165extern unsigned long randomize_et_dyn(unsigned long base);
166#define ELF_ET_DYN_BASE (randomize_et_dyn(STACK_TOP / 3 * 2))
167
168/* This yields a mask that user programs can use to figure out what
169 instruction set this CPU supports. */
170
171extern unsigned long elf_hwcap;
172#define ELF_HWCAP (elf_hwcap)
173
174/* This yields a string that ld.so will use to load implementation
175 specific libraries for optimization. This is more specific in
176 intent than poking at uname or /proc/cpuinfo.
177
178 For the moment, we have only optimizations for the Intel generations,
179 but that could change... */
180
181#define ELF_PLATFORM_SIZE 8
182extern char elf_platform[];
183#define ELF_PLATFORM (elf_platform)
184
185#ifndef CONFIG_COMPAT
186#define SET_PERSONALITY(ex) \
187do { \
188 set_personality(PER_LINUX | \
189 (current->personality & (~PER_MASK))); \
190 current_thread_info()->sys_call_table = \
191 (unsigned long) &sys_call_table; \
192} while (0)
193#else /* CONFIG_COMPAT */
194#define SET_PERSONALITY(ex) \
195do { \
196 if (personality(current->personality) != PER_LINUX32) \
197 set_personality(PER_LINUX | \
198 (current->personality & ~PER_MASK)); \
199 if ((ex).e_ident[EI_CLASS] == ELFCLASS32) { \
200 set_thread_flag(TIF_31BIT); \
201 current_thread_info()->sys_call_table = \
202 (unsigned long) &sys_call_table_emu; \
203 } else { \
204 clear_thread_flag(TIF_31BIT); \
205 current_thread_info()->sys_call_table = \
206 (unsigned long) &sys_call_table; \
207 } \
208} while (0)
209#endif /* CONFIG_COMPAT */
210
211#define STACK_RND_MASK 0x7ffUL
212
213#define ARCH_DLINFO \
214do { \
215 if (vdso_enabled) \
216 NEW_AUX_ENT(AT_SYSINFO_EHDR, \
217 (unsigned long)current->mm->context.vdso_base); \
218} while (0)
219
220struct linux_binprm;
221
222#define ARCH_HAS_SETUP_ADDITIONAL_PAGES 1
223int arch_setup_additional_pages(struct linux_binprm *, int);
224
225extern unsigned long arch_randomize_brk(struct mm_struct *mm);
226#define arch_randomize_brk arch_randomize_brk
227
228void *fill_cpu_elf_notes(void *ptr, struct save_area *sa);
229
230#endif