mirror of
https://github.com/torvalds/linux
synced 2024-11-05 18:23:50 +00:00
4f3316c2b5
Many of the atomic op implementations are the same except for one instruction; fold the lot into a few CPP macros and reduce LoC. This also prepares for easy addition of new ops. Signed-off-by: Peter Zijlstra <peterz@infradead.org> Acked-by: David S. Miller <davem@davemloft.net> Cc: Bjorn Helgaas <bhelgaas@google.com> Cc: Kirill Tkhai <tkhai@yandex.ru> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: sparclinux@vger.kernel.org Link: http://lkml.kernel.org/r/20140508135852.825281379@infradead.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
166 lines
4.2 KiB
C
166 lines
4.2 KiB
C
/*
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* Export of symbols defined in assembler
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*/
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/* Tell string.h we don't want memcpy etc. as cpp defines */
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#define EXPORT_SYMTAB_STROPS
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#include <linux/module.h>
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#include <linux/string.h>
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#include <linux/types.h>
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#include <asm/checksum.h>
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#include <asm/uaccess.h>
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#include <asm/ftrace.h>
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/* string functions */
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EXPORT_SYMBOL(strlen);
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EXPORT_SYMBOL(strncmp);
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/* mem* functions */
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extern void *__memscan_zero(void *, size_t);
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extern void *__memscan_generic(void *, int, size_t);
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extern void *__bzero(void *, size_t);
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EXPORT_SYMBOL(memscan);
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EXPORT_SYMBOL(__memscan_zero);
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EXPORT_SYMBOL(__memscan_generic);
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EXPORT_SYMBOL(memcmp);
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EXPORT_SYMBOL(memcpy);
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EXPORT_SYMBOL(memset);
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EXPORT_SYMBOL(memmove);
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EXPORT_SYMBOL(__bzero);
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/* Networking helper routines. */
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EXPORT_SYMBOL(csum_partial);
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#ifdef CONFIG_MCOUNT
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EXPORT_SYMBOL(_mcount);
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#endif
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/*
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* sparc
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*/
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#ifdef CONFIG_SPARC32
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extern int __ashrdi3(int, int);
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extern int __ashldi3(int, int);
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extern int __lshrdi3(int, int);
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extern int __muldi3(int, int);
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extern int __divdi3(int, int);
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extern void (*__copy_1page)(void *, const void *);
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extern void (*bzero_1page)(void *);
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extern void ___rw_read_enter(void);
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extern void ___rw_read_try(void);
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extern void ___rw_read_exit(void);
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extern void ___rw_write_enter(void);
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/* Networking helper routines. */
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EXPORT_SYMBOL(__csum_partial_copy_sparc_generic);
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/* Special internal versions of library functions. */
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EXPORT_SYMBOL(__copy_1page);
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EXPORT_SYMBOL(__memmove);
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EXPORT_SYMBOL(bzero_1page);
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/* Moving data to/from/in userspace. */
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EXPORT_SYMBOL(__copy_user);
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/* Used by asm/spinlock.h */
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#ifdef CONFIG_SMP
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EXPORT_SYMBOL(___rw_read_enter);
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EXPORT_SYMBOL(___rw_read_try);
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EXPORT_SYMBOL(___rw_read_exit);
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EXPORT_SYMBOL(___rw_write_enter);
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#endif
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EXPORT_SYMBOL(__ashrdi3);
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EXPORT_SYMBOL(__ashldi3);
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EXPORT_SYMBOL(__lshrdi3);
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EXPORT_SYMBOL(__muldi3);
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EXPORT_SYMBOL(__divdi3);
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#endif
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/*
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* sparc64
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*/
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#ifdef CONFIG_SPARC64
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/* Networking helper routines. */
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EXPORT_SYMBOL(csum_partial_copy_nocheck);
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EXPORT_SYMBOL(__csum_partial_copy_from_user);
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EXPORT_SYMBOL(__csum_partial_copy_to_user);
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EXPORT_SYMBOL(ip_fast_csum);
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/* Moving data to/from/in userspace. */
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EXPORT_SYMBOL(___copy_to_user);
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EXPORT_SYMBOL(___copy_from_user);
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EXPORT_SYMBOL(___copy_in_user);
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EXPORT_SYMBOL(__clear_user);
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/* Atomic counter implementation. */
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#define ATOMIC_OP(op) \
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EXPORT_SYMBOL(atomic_##op); \
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EXPORT_SYMBOL(atomic64_##op);
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#define ATOMIC_OP_RETURN(op) \
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EXPORT_SYMBOL(atomic_##op##_return); \
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EXPORT_SYMBOL(atomic64_##op##_return);
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#define ATOMIC_OPS(op) ATOMIC_OP(op) ATOMIC_OP_RETURN(op)
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ATOMIC_OPS(add)
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ATOMIC_OPS(sub)
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#undef ATOMIC_OPS
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#undef ATOMIC_OP_RETURN
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#undef ATOMIC_OP
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EXPORT_SYMBOL(atomic64_dec_if_positive);
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/* Atomic bit operations. */
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EXPORT_SYMBOL(test_and_set_bit);
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EXPORT_SYMBOL(test_and_clear_bit);
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EXPORT_SYMBOL(test_and_change_bit);
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EXPORT_SYMBOL(set_bit);
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EXPORT_SYMBOL(clear_bit);
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EXPORT_SYMBOL(change_bit);
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/* Special internal versions of library functions. */
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EXPORT_SYMBOL(_clear_page);
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EXPORT_SYMBOL(clear_user_page);
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EXPORT_SYMBOL(copy_user_page);
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/* RAID code needs this */
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void VISenter(void);
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EXPORT_SYMBOL(VISenter);
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/* CRYPTO code needs this */
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void VISenterhalf(void);
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EXPORT_SYMBOL(VISenterhalf);
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extern void xor_vis_2(unsigned long, unsigned long *, unsigned long *);
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extern void xor_vis_3(unsigned long, unsigned long *, unsigned long *,
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unsigned long *);
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extern void xor_vis_4(unsigned long, unsigned long *, unsigned long *,
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unsigned long *, unsigned long *);
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extern void xor_vis_5(unsigned long, unsigned long *, unsigned long *,
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unsigned long *, unsigned long *, unsigned long *);
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EXPORT_SYMBOL(xor_vis_2);
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EXPORT_SYMBOL(xor_vis_3);
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EXPORT_SYMBOL(xor_vis_4);
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EXPORT_SYMBOL(xor_vis_5);
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extern void xor_niagara_2(unsigned long, unsigned long *, unsigned long *);
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extern void xor_niagara_3(unsigned long, unsigned long *, unsigned long *,
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unsigned long *);
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extern void xor_niagara_4(unsigned long, unsigned long *, unsigned long *,
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unsigned long *, unsigned long *);
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extern void xor_niagara_5(unsigned long, unsigned long *, unsigned long *,
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unsigned long *, unsigned long *, unsigned long *);
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EXPORT_SYMBOL(xor_niagara_2);
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EXPORT_SYMBOL(xor_niagara_3);
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EXPORT_SYMBOL(xor_niagara_4);
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EXPORT_SYMBOL(xor_niagara_5);
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#endif
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