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| author | Roland McGrath <roland@gnu.org> | 1995-02-22 23:19:35 +0000 |
|---|---|---|
| committer | Roland McGrath <roland@gnu.org> | 1995-02-22 23:19:35 +0000 |
| commit | e6964dd4e18685e98ed440317247705ca8b55cc5 (patch) | |
| tree | fc47f6a82a9f340b38494a0d59a7864702c97b8d /libc-symbols.h | |
| parent | 0677a80cdf98418cfe641d27cfc492d7459c5b45 (diff) | |
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(weak_symbol): New macro.
Diffstat (limited to 'libc-symbols.h')
| -rw-r--r-- | libc-symbols.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libc-symbols.h b/libc-symbols.h index b41c956efe..83773bfdc9 100644 --- a/libc-symbols.h +++ b/libc-symbols.h @@ -96,13 +96,18 @@ Cambridge, MA 02139, USA. */ #define weak_alias(original, alias) \ .weak C_SYMBOL_NAME (alias); \ C_SYMBOL_NAME (alias) = C_SYMBOL_NAME (original) + +/* Declare SYMBOL to be weak. */ +#define weak_symbol(symbol) .weak C_SYMBOL_NAME (symbol) #else +#define weak_symbol(symbol) asm (".weak " __SYMBOL_PREFIX #symbol); #define weak_alias(original, alias) \ asm (".weak " __SYMBOL_PREFIX #alias "\n" \ __SYMBOL_PREFIX #alias " = " __SYMBOL_PREFIX #original); #endif #else #define weak_alias(original, alias) strong_alias(original, alias) +#define weak_symbol(symbol) /* Do nothing. */ #endif |