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authorTakashi Iwai <tiwai@suse.de>2008-10-31 12:13:10 -0400
committerTakashi Iwai <tiwai@suse.de>2008-10-31 12:13:10 -0400
commit7b3b6e42032e94a6132a85642e95106f5346650e (patch)
tree8b2262291341d8a9f9b1e7e3c63a3289bb6c6de6 /include/asm-x86/elf.h
parent04172c0b9ea5861e5cba7909da5297b3aedac9e1 (diff)
parent0173a3265b228da319ceb9c1ec6a5682fd1b2d92 (diff)
Merge commit 'v2.6.28-rc2' into topic/asoc
Diffstat (limited to 'include/asm-x86/elf.h')
-rw-r--r--include/asm-x86/elf.h335
1 files changed, 0 insertions, 335 deletions
diff --git a/include/asm-x86/elf.h b/include/asm-x86/elf.h
deleted file mode 100644
index 7be4733c793e..000000000000
--- a/include/asm-x86/elf.h
+++ /dev/null
@@ -1,335 +0,0 @@
1#ifndef _ASM_X86_ELF_H
2#define _ASM_X86_ELF_H
3
4/*
5 * ELF register definitions..
6 */
7
8#include <asm/ptrace.h>
9#include <asm/user.h>
10#include <asm/auxvec.h>
11
12typedef unsigned long elf_greg_t;
13
14#define ELF_NGREG (sizeof(struct user_regs_struct) / sizeof(elf_greg_t))
15typedef elf_greg_t elf_gregset_t[ELF_NGREG];
16
17typedef struct user_i387_struct elf_fpregset_t;
18
19#ifdef __i386__
20
21typedef struct user_fxsr_struct elf_fpxregset_t;
22
23#define R_386_NONE 0
24#define R_386_32 1
25#define R_386_PC32 2
26#define R_386_GOT32 3
27#define R_386_PLT32 4
28#define R_386_COPY 5
29#define R_386_GLOB_DAT 6
30#define R_386_JMP_SLOT 7
31#define R_386_RELATIVE 8
32#define R_386_GOTOFF 9
33#define R_386_GOTPC 10
34#define R_386_NUM 11
35
36/*
37 * These are used to set parameters in the core dumps.
38 */
39#define ELF_CLASS ELFCLASS32
40#define ELF_DATA ELFDATA2LSB
41#define ELF_ARCH EM_386
42
43#else
44
45/* x86-64 relocation types */
46#define R_X86_64_NONE 0 /* No reloc */
47#define R_X86_64_64 1 /* Direct 64 bit */
48#define R_X86_64_PC32 2 /* PC relative 32 bit signed */
49#define R_X86_64_GOT32 3 /* 32 bit GOT entry */
50#define R_X86_64_PLT32 4 /* 32 bit PLT address */
51#define R_X86_64_COPY 5 /* Copy symbol at runtime */
52#define R_X86_64_GLOB_DAT 6 /* Create GOT entry */
53#define R_X86_64_JUMP_SLOT 7 /* Create PLT entry */
54#define R_X86_64_RELATIVE 8 /* Adjust by program base */
55#define R_X86_64_GOTPCREL 9 /* 32 bit signed pc relative
56 offset to GOT */
57#define R_X86_64_32 10 /* Direct 32 bit zero extended */
58#define R_X86_64_32S 11 /* Direct 32 bit sign extended */
59#define R_X86_64_16 12 /* Direct 16 bit zero extended */
60#define R_X86_64_PC16 13 /* 16 bit sign extended pc relative */
61#define R_X86_64_8 14 /* Direct 8 bit sign extended */
62#define R_X86_64_PC8 15 /* 8 bit sign extended pc relative */
63
64#define R_X86_64_NUM 16
65
66/*
67 * These are used to set parameters in the core dumps.
68 */
69#define ELF_CLASS ELFCLASS64
70#define ELF_DATA ELFDATA2LSB
71#define ELF_ARCH EM_X86_64
72
73#endif
74
75#include <asm/vdso.h>
76
77extern unsigned int vdso_enabled;
78
79/*
80 * This is used to ensure we don't load something for the wrong architecture.
81 */
82#define elf_check_arch_ia32(x) \
83 (((x)->e_machine == EM_386) || ((x)->e_machine == EM_486))
84
85#include <asm/processor.h>
86#include <asm/system.h>
87
88#ifdef CONFIG_X86_32
89#include <asm/desc.h>
90
91#define elf_check_arch(x) elf_check_arch_ia32(x)
92
93/* SVR4/i386 ABI (pages 3-31, 3-32) says that when the program starts %edx
94 contains a pointer to a function which might be registered using `atexit'.
95 This provides a mean for the dynamic linker to call DT_FINI functions for
96 shared libraries that have been loaded before the code runs.
97
98 A value of 0 tells we have no such handler.
99
100 We might as well make sure everything else is cleared too (except for %esp),
101 just to make things more deterministic.
102 */
103#define ELF_PLAT_INIT(_r, load_addr) \
104 do { \
105 _r->bx = 0; _r->cx = 0; _r->dx = 0; \
106 _r->si = 0; _r->di = 0; _r->bp = 0; \
107 _r->ax = 0; \
108} while (0)
109
110/*
111 * regs is struct pt_regs, pr_reg is elf_gregset_t (which is
112 * now struct_user_regs, they are different)
113 */
114
115#define ELF_CORE_COPY_REGS(pr_reg, regs) \
116do { \
117 pr_reg[0] = regs->bx; \
118 pr_reg[1] = regs->cx; \
119 pr_reg[2] = regs->dx; \
120 pr_reg[3] = regs->si; \
121 pr_reg[4] = regs->di; \
122 pr_reg[5] = regs->bp; \
123 pr_reg[6] = regs->ax; \
124 pr_reg[7] = regs->ds & 0xffff; \
125 pr_reg[8] = regs->es & 0xffff; \
126 pr_reg[9] = regs->fs & 0xffff; \
127 savesegment(gs, pr_reg[10]); \
128 pr_reg[11] = regs->orig_ax; \
129 pr_reg[12] = regs->ip; \
130 pr_reg[13] = regs->cs & 0xffff; \
131 pr_reg[14] = regs->flags; \
132 pr_reg[15] = regs->sp; \
133 pr_reg[16] = regs->ss & 0xffff; \
134} while (0);
135
136#define ELF_PLATFORM (utsname()->machine)
137#define set_personality_64bit() do { } while (0)
138
139#else /* CONFIG_X86_32 */
140
141/*
142 * This is used to ensure we don't load something for the wrong architecture.
143 */
144#define elf_check_arch(x) \
145 ((x)->e_machine == EM_X86_64)
146
147#define compat_elf_check_arch(x) elf_check_arch_ia32(x)
148
149static inline void start_ia32_thread(struct pt_regs *regs, u32 ip, u32 sp)
150{
151 asm volatile("movl %0,%%fs" :: "r" (0));
152 asm volatile("movl %0,%%es; movl %0,%%ds" : : "r" (__USER32_DS));
153 load_gs_index(0);
154 regs->ip = ip;
155 regs->sp = sp;
156 regs->flags = X86_EFLAGS_IF;
157 regs->cs = __USER32_CS;
158 regs->ss = __USER32_DS;
159}
160
161static inline void elf_common_init(struct thread_struct *t,
162 struct pt_regs *regs, const u16 ds)
163{
164 regs->ax = regs->bx = regs->cx = regs->dx = 0;
165 regs->si = regs->di = regs->bp = 0;
166 regs->r8 = regs->r9 = regs->r10 = regs->r11 = 0;
167 regs->r12 = regs->r13 = regs->r14 = regs->r15 = 0;
168 t->fs = t->gs = 0;
169 t->fsindex = t->gsindex = 0;
170 t->ds = t->es = ds;
171}
172
173#define ELF_PLAT_INIT(_r, load_addr) \
174do { \
175 elf_common_init(&current->thread, _r, 0); \
176 clear_thread_flag(TIF_IA32); \
177} while (0)
178
179#define COMPAT_ELF_PLAT_INIT(regs, load_addr) \
180 elf_common_init(&current->thread, regs, __USER_DS)
181
182#define compat_start_thread(regs, ip, sp) \
183do { \
184 start_ia32_thread(regs, ip, sp); \
185 set_fs(USER_DS); \
186} while (0)
187
188#define COMPAT_SET_PERSONALITY(ex, ibcs2) \
189do { \
190 if (test_thread_flag(TIF_IA32)) \
191 clear_thread_flag(TIF_ABI_PENDING); \
192 else \
193 set_thread_flag(TIF_ABI_PENDING); \
194 current->personality |= force_personality32; \
195} while (0)
196
197#define COMPAT_ELF_PLATFORM ("i686")
198
199/*
200 * regs is struct pt_regs, pr_reg is elf_gregset_t (which is
201 * now struct_user_regs, they are different). Assumes current is the process
202 * getting dumped.
203 */
204
205#define ELF_CORE_COPY_REGS(pr_reg, regs) \
206do { \
207 unsigned v; \
208 (pr_reg)[0] = (regs)->r15; \
209 (pr_reg)[1] = (regs)->r14; \
210 (pr_reg)[2] = (regs)->r13; \
211 (pr_reg)[3] = (regs)->r12; \
212 (pr_reg)[4] = (regs)->bp; \
213 (pr_reg)[5] = (regs)->bx; \
214 (pr_reg)[6] = (regs)->r11; \
215 (pr_reg)[7] = (regs)->r10; \
216 (pr_reg)[8] = (regs)->r9; \
217 (pr_reg)[9] = (regs)->r8; \
218 (pr_reg)[10] = (regs)->ax; \
219 (pr_reg)[11] = (regs)->cx; \
220 (pr_reg)[12] = (regs)->dx; \
221 (pr_reg)[13] = (regs)->si; \
222 (pr_reg)[14] = (regs)->di; \
223 (pr_reg)[15] = (regs)->orig_ax; \
224 (pr_reg)[16] = (regs)->ip; \
225 (pr_reg)[17] = (regs)->cs; \
226 (pr_reg)[18] = (regs)->flags; \
227 (pr_reg)[19] = (regs)->sp; \
228 (pr_reg)[20] = (regs)->ss; \
229 (pr_reg)[21] = current->thread.fs; \
230 (pr_reg)[22] = current->thread.gs; \
231 asm("movl %%ds,%0" : "=r" (v)); (pr_reg)[23] = v; \
232 asm("movl %%es,%0" : "=r" (v)); (pr_reg)[24] = v; \
233 asm("movl %%fs,%0" : "=r" (v)); (pr_reg)[25] = v; \
234 asm("movl %%gs,%0" : "=r" (v)); (pr_reg)[26] = v; \
235} while (0);
236
237/* I'm not sure if we can use '-' here */
238#define ELF_PLATFORM ("x86_64")
239extern void set_personality_64bit(void);
240extern unsigned int sysctl_vsyscall32;
241extern int force_personality32;
242
243#endif /* !CONFIG_X86_32 */
244
245#define CORE_DUMP_USE_REGSET
246#define USE_ELF_CORE_DUMP
247#define ELF_EXEC_PAGESIZE 4096
248
249/* This is the location that an ET_DYN program is loaded if exec'ed. Typical
250 use of this is to invoke "./ld.so someprog" to test out a new version of
251 the loader. We need to make sure that it is out of the way of the program
252 that it will "exec", and that there is sufficient room for the brk. */
253
254#define ELF_ET_DYN_BASE (TASK_SIZE / 3 * 2)
255
256/* This yields a mask that user programs can use to figure out what
257 instruction set this CPU supports. This could be done in user space,
258 but it's not easy, and we've already done it here. */
259
260#define ELF_HWCAP (boot_cpu_data.x86_capability[0])
261
262/* This yields a string that ld.so will use to load implementation
263 specific libraries for optimization. This is more specific in
264 intent than poking at uname or /proc/cpuinfo.
265
266 For the moment, we have only optimizations for the Intel generations,
267 but that could change... */
268
269#define SET_PERSONALITY(ex, ibcs2) set_personality_64bit()
270
271/*
272 * An executable for which elf_read_implies_exec() returns TRUE will
273 * have the READ_IMPLIES_EXEC personality flag set automatically.
274 */
275#define elf_read_implies_exec(ex, executable_stack) \
276 (executable_stack != EXSTACK_DISABLE_X)
277
278struct task_struct;
279
280#define ARCH_DLINFO_IA32(vdso_enabled) \
281do { \
282 if (vdso_enabled) { \
283 NEW_AUX_ENT(AT_SYSINFO, VDSO_ENTRY); \
284 NEW_AUX_ENT(AT_SYSINFO_EHDR, VDSO_CURRENT_BASE); \
285 } \
286} while (0)
287
288#ifdef CONFIG_X86_32
289
290#define VDSO_HIGH_BASE (__fix_to_virt(FIX_VDSO))
291
292#define ARCH_DLINFO ARCH_DLINFO_IA32(vdso_enabled)
293
294/* update AT_VECTOR_SIZE_ARCH if the number of NEW_AUX_ENT entries changes */
295
296#else /* CONFIG_X86_32 */
297
298#define VDSO_HIGH_BASE 0xffffe000U /* CONFIG_COMPAT_VDSO address */
299
300/* 1GB for 64bit, 8MB for 32bit */
301#define STACK_RND_MASK (test_thread_flag(TIF_IA32) ? 0x7ff : 0x3fffff)
302
303#define ARCH_DLINFO \
304do { \
305 if (vdso_enabled) \
306 NEW_AUX_ENT(AT_SYSINFO_EHDR, \
307 (unsigned long)current->mm->context.vdso); \
308} while (0)
309
310#define AT_SYSINFO 32
311
312#define COMPAT_ARCH_DLINFO ARCH_DLINFO_IA32(sysctl_vsyscall32)
313
314#define COMPAT_ELF_ET_DYN_BASE (TASK_UNMAPPED_BASE + 0x1000000)
315
316#endif /* !CONFIG_X86_32 */
317
318#define VDSO_CURRENT_BASE ((unsigned long)current->mm->context.vdso)
319
320#define VDSO_ENTRY \
321 ((unsigned long)VDSO32_SYMBOL(VDSO_CURRENT_BASE, vsyscall))
322
323struct linux_binprm;
324
325#define ARCH_HAS_SETUP_ADDITIONAL_PAGES 1
326extern int arch_setup_additional_pages(struct linux_binprm *bprm,
327 int executable_stack);
328
329extern int syscall32_setup_pages(struct linux_binprm *, int exstack);
330#define compat_arch_setup_additional_pages syscall32_setup_pages
331
332extern unsigned long arch_randomize_brk(struct mm_struct *mm);
333#define arch_randomize_brk arch_randomize_brk
334
335#endif
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