derek.holloway
7502bf64a4
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75 lines
1.0 KiB
C
75 lines
1.0 KiB
C
/* Test local STT_GNU_IFUNC symbols:
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1. Direct function call.
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2. Function pointer.
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*/
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#include <stdlib.h>
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#include "ifunc-sel.h"
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extern int foo (void);
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static int
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one (void)
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{
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return -30;
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}
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static void * __attribute__ ((used)) foo_ifunc (void) __asm__ ("foo");
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__asm__(".type foo, %gnu_indirect_function");
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static void *
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__attribute__ ((used))
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foo_ifunc (void)
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{
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return ifunc_one (one);
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}
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typedef int (*foo_p) (void);
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extern foo_p __attribute__ ((noinline)) get_foo_p (void);
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extern foo_p __attribute__ ((noinline)) get_foo (void);
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foo_p foo_ptr = foo;
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foo_p
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__attribute__ ((noinline))
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get_foo_p (void)
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{
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return foo_ptr;
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}
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foo_p
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__attribute__ ((noinline))
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get_foo (void)
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{
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return foo;
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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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p = get_foo ();
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if (p != foo)
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abort ();
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if ((*p) () != -30)
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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 ((*p) () != -30)
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abort ();
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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 () != -30)
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abort ();
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return 0;
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}
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