diff options
Diffstat (limited to 'gcc/doc/tm.texi')
| -rw-r--r-- | gcc/doc/tm.texi | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/gcc/doc/tm.texi b/gcc/doc/tm.texi index f98176a..298b3b9 100644 --- a/gcc/doc/tm.texi +++ b/gcc/doc/tm.texi @@ -7923,13 +7923,21 @@ declaration of @code{name}. @end defmac @defmac SUPPORTS_WEAK -A C expression which evaluates to true if the target supports weak symbols. +A preprocessor constant expression which evaluates to true if the target +supports weak symbols. If you don't define this macro, @file{defaults.h} provides a default definition. If either @code{ASM_WEAKEN_LABEL} or @code{ASM_WEAKEN_DECL} -is defined, the default definition is @samp{1}; otherwise, it is -@samp{0}. Define this macro if you want to control weak symbol support -with a compiler flag such as @option{-melf}. +is defined, the default definition is @samp{1}; otherwise, it is @samp{0}. +@end defmac + +@defmac TARGET_SUPPORTS_WEAK +A C expression which evaluates to true if the target supports weak symbols. + +If you don't define this macro, @file{defaults.h} provides a default +definition. The default definition is @samp{(SUPPORTS_WEAK)}. Define +this macro if you want to control weak symbol support with a compiler +flag such as @option{-melf}. @end defmac @defmac MAKE_DECL_ONE_ONLY (@var{decl}) |