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b111757c50
New arch macro STACK_TOP_MAX it gives the larges valid stack address for the architecture in question. It differs from STACK_TOP in that it will not distinguish between personalities but will always return the largest possible address. This is used to create the initial stack on execve, which we will move down to the proper location once the binfmt code has figured out where that is. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Ollie Wild <aaw@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
41 lines
1.0 KiB
C
41 lines
1.0 KiB
C
#ifndef __ARM_A_OUT_H__
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#define __ARM_A_OUT_H__
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#include <linux/personality.h>
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#include <asm/types.h>
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struct exec
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{
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__u32 a_info; /* Use macros N_MAGIC, etc for access */
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__u32 a_text; /* length of text, in bytes */
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__u32 a_data; /* length of data, in bytes */
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__u32 a_bss; /* length of uninitialized data area for file, in bytes */
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__u32 a_syms; /* length of symbol table data in file, in bytes */
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__u32 a_entry; /* start address */
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__u32 a_trsize; /* length of relocation info for text, in bytes */
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__u32 a_drsize; /* length of relocation info for data, in bytes */
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};
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/*
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* This is always the same
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*/
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#define N_TXTADDR(a) (0x00008000)
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#define N_TRSIZE(a) ((a).a_trsize)
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#define N_DRSIZE(a) ((a).a_drsize)
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#define N_SYMSIZE(a) ((a).a_syms)
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#define M_ARM 103
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#ifdef __KERNEL__
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#define STACK_TOP ((current->personality == PER_LINUX_32BIT) ? \
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TASK_SIZE : TASK_SIZE_26)
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#define STACK_TOP_MAX TASK_SIZE
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#endif
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#ifndef LIBRARY_START_TEXT
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#define LIBRARY_START_TEXT (0x00c00000)
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#endif
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#endif /* __A_OUT_GNU_H__ */
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