[deliverable/linux.git] / include / asm-x86 / elf.h

#ifndef _ASM_X86_ELF_H
#define _ASM_X86_ELF_H

/*
 * ELF register definitions..
 */

#include <asm/ptrace.h>
#include <asm/user.h>
#include <asm/auxvec.h>

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;

#ifdef __i386__

typedef struct user_fxsr_struct elf_fpxregset_t;

#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

/*
 * These are used to set parameters in the core dumps.
 */
#define ELF_CLASS	ELFCLASS32
#define ELF_DATA	ELFDATA2LSB
#define ELF_ARCH	EM_386

#else

/* x86-64 relocation types */
#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

/*
 * These are used to set parameters in the core dumps.
 */
#define ELF_CLASS	ELFCLASS64
#define ELF_DATA	ELFDATA2LSB
#define ELF_ARCH	EM_X86_64

#endif

#ifdef __KERNEL__

#ifdef CONFIG_X86_32
#include <asm/processor.h>
#include <asm/system.h>		/* for savesegment */
#include <asm/desc.h>

/*
 * 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))

/* SVR4/i386 ABI (pages 3-31, 3-32) says that when the program starts %edx
   contains a pointer to a function which might be registered using `atexit'.
   This provides a mean for the dynamic linker to call DT_FINI functions for
   shared libraries that have been loaded before the code runs.

   A value of 0 tells we have no such handler.

   We might as well make sure everything else is cleared too (except for %esp),
   just to make things more deterministic.
 */
#define ELF_PLAT_INIT(_r, load_addr)	do { \
	_r->ebx = 0; _r->ecx = 0; _r->edx = 0; \
	_r->esi = 0; _r->edi = 0; _r->ebp = 0; \
	_r->eax = 0; \
} while (0)

/* regs is struct pt_regs, pr_reg is elf_gregset_t (which is
   now struct_user_regs, they are different) */

#define ELF_CORE_COPY_REGS(pr_reg, regs)		\
	pr_reg[0] = regs->ebx;				\
	pr_reg[1] = regs->ecx;				\
	pr_reg[2] = regs->edx;				\
	pr_reg[3] = regs->esi;				\
	pr_reg[4] = regs->edi;				\
	pr_reg[5] = regs->ebp;				\
	pr_reg[6] = regs->eax;				\
	pr_reg[7] = regs->xds & 0xffff;			\
	pr_reg[8] = regs->xes & 0xffff;			\
	pr_reg[9] = regs->xfs & 0xffff;			\
	savesegment(gs,pr_reg[10]);			\
	pr_reg[11] = regs->orig_eax;			\
	pr_reg[12] = regs->eip;				\
	pr_reg[13] = regs->xcs & 0xffff;		\
	pr_reg[14] = regs->eflags;			\
	pr_reg[15] = regs->esp;				\
	pr_reg[16] = regs->xss & 0xffff;

#define ELF_PLATFORM	(utsname()->machine)
#define set_personality_64bit()	do { } while (0)
extern unsigned int vdso_enabled;

#else /* CONFIG_X86_32 */

#include <asm/processor.h>

/*
 * 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_PLAT_INIT(_r, load_addr)	do {		  \
	struct task_struct *cur = current;		  \
	(_r)->rbx = 0; (_r)->rcx = 0; (_r)->rdx = 0;	  \
	(_r)->rsi = 0; (_r)->rdi = 0; (_r)->rbp = 0;	  \
	(_r)->rax = 0;					  \
	(_r)->r8 = 0;					  \
	(_r)->r9 = 0;					  \
	(_r)->r10 = 0;					  \
	(_r)->r11 = 0;					  \
	(_r)->r12 = 0;					  \
	(_r)->r13 = 0;					  \
	(_r)->r14 = 0;					  \
	(_r)->r15 = 0;					  \
	cur->thread.fs = 0; cur->thread.gs = 0;		  \
	cur->thread.fsindex = 0; cur->thread.gsindex = 0; \
	cur->thread.ds = 0; cur->thread.es = 0;		  \
	clear_thread_flag(TIF_IA32);			  \
} while (0)

/* regs is struct pt_regs, pr_reg is elf_gregset_t (which is
   now struct_user_regs, they are different). Assumes current is the process
   getting dumped. */

#define ELF_CORE_COPY_REGS(pr_reg, regs)  do {			\
	unsigned v;						\
	(pr_reg)[0] = (regs)->r15;				\
	(pr_reg)[1] = (regs)->r14;				\
	(pr_reg)[2] = (regs)->r13;				\
	(pr_reg)[3] = (regs)->r12;				\
	(pr_reg)[4] = (regs)->rbp;				\
	(pr_reg)[5] = (regs)->rbx;				\
	(pr_reg)[6] = (regs)->r11;				\
	(pr_reg)[7] = (regs)->r10;				\
	(pr_reg)[8] = (regs)->r9;				\
	(pr_reg)[9] = (regs)->r8;				\
	(pr_reg)[10] = (regs)->rax;				\
	(pr_reg)[11] = (regs)->rcx;				\
	(pr_reg)[12] = (regs)->rdx;				\
	(pr_reg)[13] = (regs)->rsi;				\
	(pr_reg)[14] = (regs)->rdi;				\
	(pr_reg)[15] = (regs)->orig_rax;			\
	(pr_reg)[16] = (regs)->rip;				\
	(pr_reg)[17] = (regs)->cs;				\
	(pr_reg)[18] = (regs)->eflags;				\
	(pr_reg)[19] = (regs)->rsp;				\
	(pr_reg)[20] = (regs)->ss;				\
	(pr_reg)[21] = current->thread.fs;			\
	(pr_reg)[22] = current->thread.gs;			\
	asm("movl %%ds,%0" : "=r" (v)); (pr_reg)[23] = v;	\
	asm("movl %%es,%0" : "=r" (v)); (pr_reg)[24] = v;	\
	asm("movl %%fs,%0" : "=r" (v)); (pr_reg)[25] = v;	\
	asm("movl %%gs,%0" : "=r" (v)); (pr_reg)[26] = v;	\
} while(0);

/* I'm not sure if we can use '-' here */
#define ELF_PLATFORM       ("x86_64")
extern void set_personality_64bit(void);
extern int vdso_enabled;

#endif /* !CONFIG_X86_32 */

#define USE_ELF_CORE_DUMP
#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		(TASK_SIZE / 3 * 2)

/* This yields a mask that user programs can use to figure out what
   instruction set this CPU supports.  This could be done in user space,
   but it's not easy, and we've already done it here.  */

#define ELF_HWCAP		(boot_cpu_data.x86_capability[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.

   For the moment, we have only optimizations for the Intel generations,
   but that could change... */

#define SET_PERSONALITY(ex, ibcs2) set_personality_64bit()

/*
 * An executable for which elf_read_implies_exec() returns TRUE will
 * have the READ_IMPLIES_EXEC personality flag set automatically.
 */
#define elf_read_implies_exec(ex, executable_stack)	\
	(executable_stack != EXSTACK_DISABLE_X)

struct task_struct;

extern int dump_task_regs (struct task_struct *, elf_gregset_t *);
extern int dump_task_fpu (struct task_struct *, elf_fpregset_t *);

#define ELF_CORE_COPY_TASK_REGS(tsk, elf_regs) dump_task_regs(tsk, elf_regs)
#define ELF_CORE_COPY_FPREGS(tsk, elf_fpregs) dump_task_fpu(tsk, elf_fpregs)

#ifdef CONFIG_X86_32
extern int dump_task_extended_fpu (struct task_struct *,
				   struct user_fxsr_struct *);
#define ELF_CORE_COPY_XFPREGS(tsk, elf_xfpregs) \
	dump_task_extended_fpu(tsk, elf_xfpregs)
#define ELF_CORE_XFPREG_TYPE NT_PRXFPREG

#define VDSO_HIGH_BASE		(__fix_to_virt(FIX_VDSO))
#define VDSO_CURRENT_BASE	((unsigned long)current->mm->context.vdso)
#define VDSO_PRELINK		0

#define VDSO_SYM(x) \
		(VDSO_CURRENT_BASE + (unsigned long)(x) - VDSO_PRELINK)

#define VDSO_HIGH_EHDR		((const struct elfhdr *) VDSO_HIGH_BASE)
#define VDSO_EHDR		((const struct elfhdr *) VDSO_CURRENT_BASE)

extern void __kernel_vsyscall;

#define VDSO_ENTRY		VDSO_SYM(&__kernel_vsyscall)

/* update AT_VECTOR_SIZE_ARCH if the number of NEW_AUX_ENT entries changes */

#define ARCH_DLINFO \
do if (vdso_enabled) {							\
		NEW_AUX_ENT(AT_SYSINFO,	VDSO_ENTRY);			\
		NEW_AUX_ENT(AT_SYSINFO_EHDR, VDSO_CURRENT_BASE);	\
} while (0)

#else /* CONFIG_X86_32 */

/* 1GB for 64bit, 8MB for 32bit */
#define STACK_RND_MASK (test_thread_flag(TIF_IA32) ? 0x7ff : 0x3fffff)

#define ARCH_DLINFO						\
do if (vdso_enabled) {						\
	NEW_AUX_ENT(AT_SYSINFO_EHDR,(unsigned long)current->mm->context.vdso);\
} while (0)

#endif /* !CONFIG_X86_32 */

struct linux_binprm;

#define ARCH_HAS_SETUP_ADDITIONAL_PAGES 1
extern int arch_setup_additional_pages(struct linux_binprm *bprm,
				       int executable_stack);

extern unsigned long arch_randomize_brk(struct mm_struct *mm);
#define arch_randomize_brk arch_randomize_brk

#endif /* __KERNEL__ */

#endif
Commit	Line	Data
2439a791 TG	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
	12	typedef unsigned long elf_greg_t;
	13
	14	#define ELF_NGREG (sizeof (struct user_regs_struct) / sizeof(elf_greg_t))
	15	typedef elf_greg_t elf_gregset_t[ELF_NGREG];
	16
	17	typedef struct user_i387_struct elf_fpregset_t;
	18
	19	#ifdef __i386__
	20
	21	typedef 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
96a388de	43	#else
2439a791 TG	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	#ifdef __KERNEL__
	76
	77	#ifdef CONFIG_X86_32
	78	#include <asm/processor.h>
	79	#include <asm/system.h> /* for savesegment */
	80	#include <asm/desc.h>
	81
	82	/*
	83	* This is used to ensure we don't load something for the wrong architecture.
	84	*/
	85	#define elf_check_arch(x) \
	86	(((x)->e_machine == EM_386) \|\| ((x)->e_machine == EM_486))
	87
	88	/* SVR4/i386 ABI (pages 3-31, 3-32) says that when the program starts %edx
	89	contains a pointer to a function which might be registered using `atexit'.
	90	This provides a mean for the dynamic linker to call DT_FINI functions for
	91	shared libraries that have been loaded before the code runs.
	92
	93	A value of 0 tells we have no such handler.
	94
	95	We might as well make sure everything else is cleared too (except for %esp),
	96	just to make things more deterministic.
	97	*/
	98	#define ELF_PLAT_INIT(_r, load_addr) do { \
	99	_r->ebx = 0; _r->ecx = 0; _r->edx = 0; \
	100	_r->esi = 0; _r->edi = 0; _r->ebp = 0; \
	101	_r->eax = 0; \
	102	} while (0)
	103
	104	/* regs is struct pt_regs, pr_reg is elf_gregset_t (which is
	105	now struct_user_regs, they are different) */
	106
	107	#define ELF_CORE_COPY_REGS(pr_reg, regs) \
108	pr_reg[0] = regs->ebx; \
109	pr_reg[1] = regs->ecx; \
110	pr_reg[2] = regs->edx; \
111	pr_reg[3] = regs->esi; \
112	pr_reg[4] = regs->edi; \
113	pr_reg[5] = regs->ebp; \
114	pr_reg[6] = regs->eax; \
115	pr_reg[7] = regs->xds & 0xffff; \
116	pr_reg[8] = regs->xes & 0xffff; \
117	pr_reg[9] = regs->xfs & 0xffff; \
118	savesegment(gs,pr_reg[10]); \
119	pr_reg[11] = regs->orig_eax; \
120	pr_reg[12] = regs->eip; \
121	pr_reg[13] = regs->xcs & 0xffff; \
122	pr_reg[14] = regs->eflags; \
123	pr_reg[15] = regs->esp; \
124	pr_reg[16] = regs->xss & 0xffff;
125
126	#define ELF_PLATFORM (utsname()->machine)
127	#define set_personality_64bit() do { } while (0)
128	extern unsigned int vdso_enabled;
129
130	#else /* CONFIG_X86_32 */
131
132	#include <asm/processor.h>
133
134	/*
135	* This is used to ensure we don't load something for the wrong architecture.
136	*/
137	#define elf_check_arch(x) \
138	((x)->e_machine == EM_X86_64)
139
140	#define ELF_PLAT_INIT(_r, load_addr) do { \
141	struct task_struct *cur = current; \
142	(_r)->rbx = 0; (_r)->rcx = 0; (_r)->rdx = 0; \
143	(_r)->rsi = 0; (_r)->rdi = 0; (_r)->rbp = 0; \
144	(_r)->rax = 0; \
145	(_r)->r8 = 0; \
146	(_r)->r9 = 0; \
147	(_r)->r10 = 0; \
148	(_r)->r11 = 0; \
149	(_r)->r12 = 0; \
150	(_r)->r13 = 0; \
151	(_r)->r14 = 0; \
152	(_r)->r15 = 0; \
153	cur->thread.fs = 0; cur->thread.gs = 0; \
154	cur->thread.fsindex = 0; cur->thread.gsindex = 0; \
155	cur->thread.ds = 0; cur->thread.es = 0; \
156	clear_thread_flag(TIF_IA32); \
157	} while (0)
158
159	/* regs is struct pt_regs, pr_reg is elf_gregset_t (which is
160	now struct_user_regs, they are different). Assumes current is the process
161	getting dumped. */
162
163	#define ELF_CORE_COPY_REGS(pr_reg, regs) do { \
164	unsigned v; \
165	(pr_reg)[0] = (regs)->r15; \
166	(pr_reg)[1] = (regs)->r14; \
167	(pr_reg)[2] = (regs)->r13; \
168	(pr_reg)[3] = (regs)->r12; \
169	(pr_reg)[4] = (regs)->rbp; \
170	(pr_reg)[5] = (regs)->rbx; \
171	(pr_reg)[6] = (regs)->r11; \
172	(pr_reg)[7] = (regs)->r10; \
173	(pr_reg)[8] = (regs)->r9; \
174	(pr_reg)[9] = (regs)->r8; \
175	(pr_reg)[10] = (regs)->rax; \
176	(pr_reg)[11] = (regs)->rcx; \
177	(pr_reg)[12] = (regs)->rdx; \
178	(pr_reg)[13] = (regs)->rsi; \
179	(pr_reg)[14] = (regs)->rdi; \
180	(pr_reg)[15] = (regs)->orig_rax; \
181	(pr_reg)[16] = (regs)->rip; \
182	(pr_reg)[17] = (regs)->cs; \
183	(pr_reg)[18] = (regs)->eflags; \
184	(pr_reg)[19] = (regs)->rsp; \
185	(pr_reg)[20] = (regs)->ss; \
186	(pr_reg)[21] = current->thread.fs; \
187	(pr_reg)[22] = current->thread.gs; \
188	asm("movl %%ds,%0" : "=r" (v)); (pr_reg)[23] = v; \
189	asm("movl %%es,%0" : "=r" (v)); (pr_reg)[24] = v; \
190	asm("movl %%fs,%0" : "=r" (v)); (pr_reg)[25] = v; \
191	asm("movl %%gs,%0" : "=r" (v)); (pr_reg)[26] = v; \
192	} while(0);
193
194	/* I'm not sure if we can use '-' here */
195	#define ELF_PLATFORM ("x86_64")
196	extern void set_personality_64bit(void);
197	extern int vdso_enabled;
198
199	#endif /* !CONFIG_X86_32 */
200
201	#define USE_ELF_CORE_DUMP
202	#define ELF_EXEC_PAGESIZE 4096
203
204	/* This is the location that an ET_DYN program is loaded if exec'ed. Typical
205	use of this is to invoke "./ld.so someprog" to test out a new version of
206	the loader. We need to make sure that it is out of the way of the program
207	that it will "exec", and that there is sufficient room for the brk. */
208
209	#define ELF_ET_DYN_BASE (TASK_SIZE / 3 * 2)
210
211	/* This yields a mask that user programs can use to figure out what
212	instruction set this CPU supports. This could be done in user space,
213	but it's not easy, and we've already done it here. */
214
215	#define ELF_HWCAP (boot_cpu_data.x86_capability[0])
216
217	/* This yields a string that ld.so will use to load implementation
218	specific libraries for optimization. This is more specific in
219	intent than poking at uname or /proc/cpuinfo.
220
221	For the moment, we have only optimizations for the Intel generations,
222	but that could change... */
223
224	#define SET_PERSONALITY(ex, ibcs2) set_personality_64bit()
225
226	/*
227	* An executable for which elf_read_implies_exec() returns TRUE will
228	* have the READ_IMPLIES_EXEC personality flag set automatically.
229	*/
230	#define elf_read_implies_exec(ex, executable_stack) \
231	(executable_stack != EXSTACK_DISABLE_X)
232
233	struct task_struct;
234
235	extern int dump_task_regs (struct task_struct , elf_gregset_t );
236	extern int dump_task_fpu (struct task_struct , elf_fpregset_t );
237
238	#define ELF_CORE_COPY_TASK_REGS(tsk, elf_regs) dump_task_regs(tsk, elf_regs)
239	#define ELF_CORE_COPY_FPREGS(tsk, elf_fpregs) dump_task_fpu(tsk, elf_fpregs)
240
241	#ifdef CONFIG_X86_32
242	extern int dump_task_extended_fpu (struct task_struct *,
243	struct user_fxsr_struct *);
244	#define ELF_CORE_COPY_XFPREGS(tsk, elf_xfpregs) \
245	dump_task_extended_fpu(tsk, elf_xfpregs)
246	#define ELF_CORE_XFPREG_TYPE NT_PRXFPREG
247
248	#define VDSO_HIGH_BASE (__fix_to_virt(FIX_VDSO))
249	#define VDSO_CURRENT_BASE ((unsigned long)current->mm->context.vdso)
250	#define VDSO_PRELINK 0
251
252	#define VDSO_SYM(x) \
253	(VDSO_CURRENT_BASE + (unsigned long)(x) - VDSO_PRELINK)
254
255	#define VDSO_HIGH_EHDR ((const struct elfhdr *) VDSO_HIGH_BASE)
256	#define VDSO_EHDR ((const struct elfhdr *) VDSO_CURRENT_BASE)
257
258	extern void __kernel_vsyscall;
259
260	#define VDSO_ENTRY VDSO_SYM(&__kernel_vsyscall)
261
262	/* update AT_VECTOR_SIZE_ARCH if the number of NEW_AUX_ENT entries changes */
263
264	#define ARCH_DLINFO \
265	do if (vdso_enabled) { \
266	NEW_AUX_ENT(AT_SYSINFO, VDSO_ENTRY); \
267	NEW_AUX_ENT(AT_SYSINFO_EHDR, VDSO_CURRENT_BASE); \
268	} while (0)
269
270	#else /* CONFIG_X86_32 */
271
272	/* 1GB for 64bit, 8MB for 32bit */
273	#define STACK_RND_MASK (test_thread_flag(TIF_IA32) ? 0x7ff : 0x3fffff)
274
275	#define ARCH_DLINFO \
276	do if (vdso_enabled) { \
277	NEW_AUX_ENT(AT_SYSINFO_EHDR,(unsigned long)current->mm->context.vdso);\
278	} while (0)
279
280	#endif /* !CONFIG_X86_32 */
281
282	struct linux_binprm;
283
284	#define ARCH_HAS_SETUP_ADDITIONAL_PAGES 1
285	extern int arch_setup_additional_pages(struct linux_binprm *bprm,
286	int executable_stack);
287
c1d171a0 JK	288	extern unsigned long arch_randomize_brk(struct mm_struct *mm);
	289	#define arch_randomize_brk arch_randomize_brk
	290
2439a791 TG	291	#endif /* __KERNEL__ */
2439a791 TG	292
96a388de	293	#endif