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(weak_symbol): New macro.

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Roland McGrath 1995-02-22 23:19:35 +00:00
parent 0677a80cdf
commit e6964dd4e1
1 changed files with 5 additions and 0 deletions
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5
libc-symbols.h
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@ -96,13 +96,18 @@ Cambridge, MA 02139, USA. */
#define weak_alias(original, alias) \ #define weak_alias(original, alias) \
.weak C_SYMBOL_NAME (alias); \ .weak C_SYMBOL_NAME (alias); \
C_SYMBOL_NAME (alias) = C_SYMBOL_NAME (original) C_SYMBOL_NAME (alias) = C_SYMBOL_NAME (original)
/* Declare SYMBOL to be weak. */
#define weak_symbol(symbol) .weak C_SYMBOL_NAME (symbol)
#else #else
#define weak_symbol(symbol) asm (".weak " __SYMBOL_PREFIX #symbol);
#define weak_alias(original, alias) \ #define weak_alias(original, alias) \
asm (".weak " __SYMBOL_PREFIX #alias "\n" \ asm (".weak " __SYMBOL_PREFIX #alias "\n" \
__SYMBOL_PREFIX #alias " = " __SYMBOL_PREFIX #original); __SYMBOL_PREFIX #alias " = " __SYMBOL_PREFIX #original);
#endif #endif
#else #else
#define weak_alias(original, alias) strong_alias(original, alias) #define weak_alias(original, alias) strong_alias(original, alias)
#define weak_symbol(symbol) /* Do nothing. */
#endif #endif