[thirdparty/glibc.git] / elf / tst-addr1.c

#include <dlfcn.h>
#include <stdio.h>
#include <string.h>

static int
do_test (void)
{
  Dl_info i;
  if (dladdr (&printf, &i) == 0)
    {
      puts ("not found");
      return 1;
    }
  printf ("found symbol %s in %s\n", i.dli_sname, i.dli_fname);
  if (i.dli_sname == NULL)
    return 1;

#if __LDOUBLE_REDIRECTS_TO_FLOAT128_ABI == 1
  /* On architectures which redirect long double to
     _Float128 (e.g powerpc64le), printf will resolve
     to __printfieee128 due to header redirects.  There
     is no _IO_printfieee128 alias.  */
  return strcmp (i.dli_sname, "__printfieee128") != 0;
#else
  return i.dli_sname == NULL
	 || (strcmp (i.dli_sname, "printf") != 0
	     /* On architectures which create PIC code by default
		&printf may resolve to an address in libc.so
		rather than in the binary.  printf and _IO_printf
		are aliased and which one comes first in the
		hash table is up to the linker.  */
	     && strcmp (i.dli_sname, "_IO_printf") != 0);
#endif
}

#include <support/test-driver.c>
Commit	Line	Data
93b53ca2 UD	1	#include <dlfcn.h>
	2	#include <stdio.h>
	3	#include <string.h>
	4
	5	static int
	6	do_test (void)
	7	{
	8	Dl_info i;
	9	if (dladdr (&printf, &i) == 0)
	10	{
	11	puts ("not found");
	12	return 1;
	13	}
	14	printf ("found symbol %s in %s\n", i.dli_sname, i.dli_fname);
d0d1811f PM	15	if (i.dli_sname == NULL)
	16	return 1;
	17
e2239af3	18	#if __LDOUBLE_REDIRECTS_TO_FLOAT128_ABI == 1
d0d1811f PM	19	/* On architectures which redirect long double to
	20	_Float128 (e.g powerpc64le), printf will resolve
	21	to __printfieee128 due to header redirects. There
	22	is no _IO_printfieee128 alias. */
	23	return strcmp (i.dli_sname, "__printfieee128") != 0;
	24	#else
b80770b2 UD	25	return i.dli_sname == NULL
	26	\|\| (strcmp (i.dli_sname, "printf") != 0
	27	/* On architectures which create PIC code by default
	28	&printf may resolve to an address in libc.so
	29	rather than in the binary. printf and _IO_printf
	30	are aliased and which one comes first in the
	31	hash table is up to the linker. */
	32	&& strcmp (i.dli_sname, "_IO_printf") != 0);
d0d1811f	33	#endif
93b53ca2 UD	34	}
93b53ca2 UD	35
36fe25fd	36	#include <support/test-driver.c>