/* { dg-do compile } */ /* { dg-options "-fno-common" } */ /* COFF does not support weak, and dg doesn't support UNSUPPORTED. */ /* { dg-do compile { xfail *-*-coff i?86-pc-cygwin h8300-*-hms } } */ /* { dg-final { global target_triplet } } */ /* { dg-final { if [string match h8300-*-hms $target_triplet ] {return} } } */ /* { dg-final { if [string match i?86-pc-cygwin $target_triplet ] {return} } } */ /* { dg-final { if [string match *-*-coff $target_triplet ] {return} } } */ /* { dg-final { scan-assembler "weak\[^ \t\]*\[ \t\]ffoo1a" } } */ /* { dg-final { scan-assembler "weak\[^ \t\]*\[ \t\]ffoo1b" } } */ /* { dg-final { scan-assembler "weak\[^ \t\]*\[ \t\]ffoo1c" } } */ /* { dg-final { scan-assembler-not "weak\[^ \t\]*\[ \t\]ffoo1d" } } */ /* { dg-final { scan-assembler "weak\[^ \t\]*\[ \t\]ffoo1e" } } */ /* { dg-final { scan-assembler "weak\[^ \t\]*\[ \t\]ffoo1f" } } */ /* { dg-final { scan-assembler "weak\[^ \t\]*\[ \t\]ffoo1g" } } */ /* test function addresses with __attribute__((weak)) */ extern void * ffoo1a (void) __attribute__((weak)); extern void * ffoo1a (void); void * foo1a (void) { return (void *)ffoo1a; } extern void * ffoo1b (void); extern void * ffoo1b (void) __attribute__((weak)); void * foo1b (void) { return (void *)ffoo1b; } extern void * ffoo1c (void); /* { dg-warning "weak declaration" "weak declaration" } */ void * foo1c (void) { return (void *)ffoo1c; } extern void * ffoo1c (void) __attribute__((weak)); int ffoo1d (void); int ffoo1d (void) __attribute__((weak)); extern void * ffoo1e (void); extern void * ffoo1e (void) __attribute__((weak)); void * foo1e (void) { if (ffoo1e) ffoo1e (); return 0; } extern void * ffoo1f (void); /* { dg-warning "weak declaration" "weak declaration" } */ extern void * ffoox1f (void); void * foo1f (void) { if (ffoo1f) ffoo1f (); return 0; } extern void * ffoo1f (void) __attribute__((weak, alias ("ffoox1f"))); extern void * ffoo1g (void); extern void * ffoox1g (void); extern void * ffoo1g (void) __attribute__((weak, alias ("ffoox1g"))); void * foo1g (void) { if (ffoo1g) ffoo1g (); return 0; }