Viewing file:  memops-asm-lib.c (2.22 KB) -rw-r--r--
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extern void abort (void);
extern int inside_main;
typedef __SIZE_TYPE__ size_t;
#define TEST_ABORT if (inside_main) abort()
/* LTO code is at the present to able to track that asm alias my_bcopy on builtin
actually refers to this function. See PR47181. */
__attribute__ ((used))
void *
my_memcpy (void *d, const void *s, size_t n)
{
char *dst = (char *) d;
const char *src = (const char *) s;
while (n--)
*dst++ = *src++;
return (char *) d;
}
/* LTO code is at the present to able to track that asm alias my_bcopy on builtin
actually refers to this function. See PR47181. */
__attribute__ ((used))
void
my_bcopy (const void *s, void *d, size_t n)
{
char *dst = (char *) d;
const char *src = (const char *) s;
if (src >= dst)
while (n--)
*dst++ = *src++;
else
{
dst += n;
src += n;
while (n--)
*--dst = *--src;
}
}
__attribute__ ((used))
void *
my_memmove (void *d, const void *s, size_t n)
{
char *dst = (char *) d;
const char *src = (const char *) s;
if (src >= dst)
while (n--)
*dst++ = *src++;
else
{
dst += n;
src += n;
while (n--)
*--dst = *--src;
}
return d;
}
/* LTO code is at the present to able to track that asm alias my_bcopy on builtin
actually refers to this function. See PR47181. */
__attribute__ ((used))
void *
my_memset (void *d, int c, size_t n)
{
char *dst = (char *) d;
while (n--)
*dst++ = c;
return (char *) d;
}
/* LTO code is at the present to able to track that asm alias my_bcopy on builtin
actually refers to this function. See PR47181. */
__attribute__ ((used))
void
my_bzero (void *d, size_t n)
{
char *dst = (char *) d;
while (n--)
*dst++ = '\0';
}
void *
memcpy (void *d, const void *s, size_t n)
{
void *result = my_memcpy (d, s, n);
TEST_ABORT;
return result;
}
void
bcopy (const void *s, void *d, size_t n)
{
my_bcopy (s, d, n);
TEST_ABORT;
}
void *
memset (void *d, int c, size_t n)
{
void *result = my_memset (d, c, n);
TEST_ABORT;
return result;
}
void
bzero (void *d, size_t n)
{
my_bzero (d, n);
TEST_ABORT;
}
#ifdef __vxworks
/* The RTP C library uses bfill, which is defined in the same file as
bzero and bcopy. */
#include "lib/bfill.c"
#endif
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