1#include <libm-alias-double.h>
2#define __fabs __fabs_generic
3#undef libm_alias_double
4#define libm_alias_double(a, b)
5#include <sysdeps/ieee754/dbl-64/s_fabs.c>
6

source code of glibc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabs-generic.c