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sparc64: separate extable_64.h, switch elf_64.h to it

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2016-09-05 11:42:55 -04:00
parent 88dd4a748d
commit c99d2abd9b
3 changed files with 22 additions and 18 deletions
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2
arch/sparc/include/asm/elf_64.h
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@ -7,7 +7,7 @@
#include <asm/ptrace.h>
#include <asm/processor.h>
#include <asm/uaccess.h>
#include <asm/extable_64.h>
#include <asm/spitfire.h>
/*

20
arch/sparc/include/asm/extable_64.h Normal file
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@ -0,0 +1,20 @@
#ifndef __ASM_EXTABLE64_H
#define __ASM_EXTABLE64_H
/*
* The exception table consists of pairs of addresses: the first is the
* address of an instruction that is allowed to fault, and the second is
* the address at which the program should continue. No registers are
* modified, so it is entirely up to the continuation code to figure out
* what to do.
*
* All the routines below use bits of fixup code that are out of line
* with the main instruction path. This means when everything is well,
* we don't even have to jump over them. Further, they do not intrude
* on our cache or tlb entries.
*/
struct exception_table_entry {
unsigned int insn, fixup;
};
#endif

18
arch/sparc/include/asm/uaccess_64.h
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@ -13,6 +13,7 @@
#include <asm/asi.h>
#include <asm/spitfire.h>
#include <asm-generic/uaccess-unaligned.h>
#include <asm/extable_64.h>
#endif
#ifndef __ASSEMBLY__
@ -81,23 +82,6 @@ static inline int access_ok(int type, const void __user * addr, unsigned long si
return 1;
}
/*
* The exception table consists of pairs of addresses: the first is the
* address of an instruction that is allowed to fault, and the second is
* the address at which the program should continue. No registers are
* modified, so it is entirely up to the continuation code to figure out
* what to do.
*
* All the routines below use bits of fixup code that are out of line
* with the main instruction path. This means when everything is well,
* we don't even have to jump over them. Further, they do not intrude
* on our cache or tlb entries.
*/
struct exception_table_entry {
unsigned int insn, fixup;
};
void __ret_efault(void);
void __retl_efault(void);