derek.holloway
7502bf64a4
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90 lines
1.4 KiB
C
90 lines
1.4 KiB
C
/* Test STT_GNU_IFUNC symbols:
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1. Direct function call.
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2. Function pointer.
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3. Visibility with override.
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*/
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#include <stdlib.h>
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int __attribute__ ((noinline)) foo_hidden (void);
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int ret_foo;
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int ret_foo_hidden;
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int ret_foo_protected;
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extern int foo (void);
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extern int foo_protected (void);
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#ifndef FOO_P
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typedef int (*foo_p) (void);
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#endif
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foo_p foo_ptr = foo;
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foo_p foo_procted_ptr = foo_protected;
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extern foo_p get_foo_p (void);
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extern foo_p get_foo_hidden_p (void);
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extern foo_p get_foo_protected_p (void);
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int
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__attribute__ ((noinline))
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foo (void)
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{
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return -30;
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}
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int
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__attribute__ ((noinline))
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foo_hidden (void)
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{
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return -20;
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}
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int
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__attribute__ ((noinline))
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foo_protected (void)
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{
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return -40;
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}
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int
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main (void)
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{
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foo_p p;
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if (foo_ptr != foo)
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abort ();
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if ((*foo_ptr) () != -30)
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abort ();
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if (foo_procted_ptr != foo_protected)
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abort ();
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if ((*foo_procted_ptr) () != -40)
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abort ();
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p = get_foo_p ();
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if (p != foo)
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abort ();
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if (foo () != -30)
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abort ();
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if (ret_foo != -30 || (*p) () != ret_foo)
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abort ();
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p = get_foo_hidden_p ();
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if (foo_hidden () != -20)
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abort ();
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if (ret_foo_hidden != 1 || (*p) () != ret_foo_hidden)
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abort ();
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p = get_foo_protected_p ();
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if (p == foo_protected)
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abort ();
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if (foo_protected () != -40)
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abort ();
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if (ret_foo_protected != 0 || (*p) () != ret_foo_protected)
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abort ();
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return 0;
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}
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