cregit-Linux how code gets into the kernel

Release 4.8 arch/alpha/kernel/alpha_ksyms.c

/*
 * linux/arch/alpha/kernel/alpha_ksyms.c
 *
 * Export the alpha-specific functions that are needed for loadable
 * modules.
 */

#include <linux/module.h>
#include <asm/console.h>
#include <asm/uaccess.h>
#include <asm/checksum.h>
#include <asm/fpu.h>
#include <asm/machvec.h>

#include <linux/syscalls.h>

/* these are C runtime functions with special calling conventions: */
extern void __divl (void);
extern void __reml (void);
extern void __divq (void);
extern void __remq (void);
extern void __divlu (void);
extern void __remlu (void);
extern void __divqu (void);
extern void __remqu (void);


EXPORT_SYMBOL(alpha_mv);

EXPORT_SYMBOL(callback_getenv);

EXPORT_SYMBOL(callback_setenv);

EXPORT_SYMBOL(callback_save_env);

/* platform dependent support */

EXPORT_SYMBOL(strcat);

EXPORT_SYMBOL(strcpy);

EXPORT_SYMBOL(strlen);

EXPORT_SYMBOL(strncpy);

EXPORT_SYMBOL(strncat);

EXPORT_SYMBOL(strchr);

EXPORT_SYMBOL(strrchr);

EXPORT_SYMBOL(memmove);

EXPORT_SYMBOL(__memcpy);

EXPORT_SYMBOL(__memset);

EXPORT_SYMBOL(___memset);

EXPORT_SYMBOL(__memsetw);

EXPORT_SYMBOL(__constant_c_memset);

EXPORT_SYMBOL(copy_page);

EXPORT_SYMBOL(clear_page);


EXPORT_SYMBOL(alpha_read_fp_reg);

EXPORT_SYMBOL(alpha_read_fp_reg_s);

EXPORT_SYMBOL(alpha_write_fp_reg);

EXPORT_SYMBOL(alpha_write_fp_reg_s);

/* Networking helper routines. */

EXPORT_SYMBOL(csum_tcpudp_magic);

EXPORT_SYMBOL(ip_compute_csum);

EXPORT_SYMBOL(ip_fast_csum);

EXPORT_SYMBOL(csum_partial_copy_nocheck);

EXPORT_SYMBOL(csum_partial_copy_from_user);

EXPORT_SYMBOL(csum_ipv6_magic);

#ifdef CONFIG_MATHEMU_MODULE
extern long (*alpha_fp_emul_imprecise)(struct pt_regs *, unsigned long);
extern long (*alpha_fp_emul) (unsigned long pc);

EXPORT_SYMBOL(alpha_fp_emul_imprecise);

EXPORT_SYMBOL(alpha_fp_emul);
#endif

/*
 * The following are specially called from the uaccess assembly stubs.
 */

EXPORT_SYMBOL(__copy_user);

EXPORT_SYMBOL(__do_clear_user);

/* 
 * SMP-specific symbols.
 */

#ifdef CONFIG_SMP

EXPORT_SYMBOL(_atomic_dec_and_lock);
#endif /* CONFIG_SMP */

/*
 * The following are special because they're not called
 * explicitly (the C compiler or assembler generates them in
 * response to division operations).  Fortunately, their
 * interface isn't gonna change any time soon now, so it's OK
 * to leave it out of version control.
 */

# undef memcpy

# undef memset

EXPORT_SYMBOL(__divl);

EXPORT_SYMBOL(__divlu);

EXPORT_SYMBOL(__divq);

EXPORT_SYMBOL(__divqu);

EXPORT_SYMBOL(__reml);

EXPORT_SYMBOL(__remlu);

EXPORT_SYMBOL(__remq);

EXPORT_SYMBOL(__remqu);

EXPORT_SYMBOL(memcpy);

EXPORT_SYMBOL(memset);

EXPORT_SYMBOL(memchr);

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