mirror of
https://github.com/autc04/Retro68.git
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48 lines
1.3 KiB
C
48 lines
1.3 KiB
C
#define ASMNAME(cname) ASMNAME2 (__USER_LABEL_PREFIX__, cname)
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#define ASMNAME2(prefix, cname) STRING (prefix) cname
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#define STRING(x) #x
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typedef __SIZE_TYPE__ size_t;
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extern void abort (void);
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extern void *memcpy (void *, const void *, size_t)
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__asm (ASMNAME ("my_memcpy"));
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extern void bcopy (const void *, void *, size_t)
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__asm (ASMNAME ("my_bcopy"));
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extern void *memset (void *, int, size_t)
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__asm (ASMNAME ("my_memset"));
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extern void bzero (void *, size_t)
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__asm (ASMNAME ("my_bzero"));
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extern int memcmp (const void *, const void *, size_t);
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struct A { char c[32]; } a = { "foobar" };
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char x[64] = "foobar", y[64];
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int i = 39, j = 6, k = 4;
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extern int inside_main;
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void
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main_test (void)
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{
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struct A b = a;
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struct A c = { { 'x' } };
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inside_main = 1;
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if (memcmp (b.c, x, 32) || c.c[0] != 'x' || memcmp (c.c + 1, x + 32, 31))
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abort ();
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if (__builtin_memcpy (y, x, i) != y || memcmp (x, y, 64))
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abort ();
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if (memcpy (y + 6, x, j) != y + 6
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|| memcmp (x, y, 6) || memcmp (x, y + 6, 58))
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abort ();
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if (__builtin_memset (y + 2, 'X', k) != y + 2
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|| memcmp (y, "foXXXXfoobar", 13))
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abort ();
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bcopy (y + 1, y + 2, 6);
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if (memcmp (y, "fooXXXXfobar", 13))
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abort ();
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__builtin_bzero (y + 4, 2);
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if (memcmp (y, "fooX\0\0Xfobar", 13))
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abort ();
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}
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