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More fallout from supporting only ELF

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This commit is contained in:
Ulrich Drepper
2012-01-08 00:45:01 -05:00
parent a784e50247
commit a0da5fe1e4
25 changed files with 725 additions and 1041 deletions
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74
include/libc-symbols.h
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@@ -55,24 +55,16 @@
/* The symbols in all the user (non-_) macros are C symbols. */
#if defined HAVE_ASM_WEAK_DIRECTIVE || defined HAVE_ASM_WEAKEXT_DIRECTIVE
# define HAVE_WEAK_SYMBOLS
#if !defined HAVE_ASM_WEAK_DIRECTIVE && !defined HAVE_ASM_WEAKEXT_DIRECTIVE
# error "weak symbol support needed"
#endif
#ifndef __SYMBOL_PREFIX
# ifdef NO_UNDERSCORES
# define __SYMBOL_PREFIX
# else
# define __SYMBOL_PREFIX "_"
# endif
# define __SYMBOL_PREFIX
#endif
#ifndef C_SYMBOL_NAME
# ifdef NO_UNDERSCORES
# define C_SYMBOL_NAME(name) name
# else
# define C_SYMBOL_NAME(name) _##name
# endif
# define C_SYMBOL_NAME(name) name
#endif
#ifndef ASM_LINE_SEP
@@ -104,32 +96,23 @@
# define weak_function __attribute__ ((weak))
# define weak_const_function __attribute__ ((weak, __const__))
# ifdef HAVE_WEAK_SYMBOLS
/* Define ALIASNAME as a weak alias for NAME.
If weak aliases are not available, this defines a strong alias. */
# define weak_alias(name, aliasname) _weak_alias (name, aliasname)
# define _weak_alias(name, aliasname) \
# define weak_alias(name, aliasname) _weak_alias (name, aliasname)
# define _weak_alias(name, aliasname) \
extern __typeof (name) aliasname __attribute__ ((weak, alias (#name)));
/* Same as WEAK_ALIAS, but mark symbol as hidden. */
# define weak_hidden_alias(name, aliasname) \
# define weak_hidden_alias(name, aliasname) \
_weak_hidden_alias (name, aliasname)
# define _weak_hidden_alias(name, aliasname) \
# define _weak_hidden_alias(name, aliasname) \
extern __typeof (name) aliasname \
__attribute__ ((weak, alias (#name), __visibility__ ("hidden")));
/* Declare SYMBOL as weak undefined symbol (resolved to 0 if not defined). */
# define weak_extern(symbol) _weak_extern (weak symbol)
# define _weak_extern(expr) _Pragma (#expr)
# define weak_extern(symbol) _weak_extern (weak symbol)
# define _weak_extern(expr) _Pragma (#expr)
# else
# define weak_alias(name, aliasname) strong_alias(name, aliasname)
# define weak_hidden_alias(name, aliasname) strong_alias(name, aliasname)
# define weak_extern(symbol) /* Nothing. */
# endif
#else /* __ASSEMBLER__ */
@@ -167,43 +150,36 @@
# endif
# endif
# ifdef HAVE_WEAK_SYMBOLS
# ifdef HAVE_ASM_WEAKEXT_DIRECTIVE
# ifdef HAVE_ASM_GLOBAL_DOT_NAME
# define weak_alias(original, alias) \
# ifdef HAVE_ASM_WEAKEXT_DIRECTIVE
# ifdef HAVE_ASM_GLOBAL_DOT_NAME
# define weak_alias(original, alias) \
.weakext C_SYMBOL_NAME (alias), C_SYMBOL_NAME (original) ASM_LINE_SEP \
.weakext C_SYMBOL_DOT_NAME (alias), C_SYMBOL_DOT_NAME (original)
# else
# define weak_alias(original, alias) \
# else
# define weak_alias(original, alias) \
.weakext C_SYMBOL_NAME (alias), C_SYMBOL_NAME (original)
# endif
# define weak_extern(symbol) \
# endif
# define weak_extern(symbol) \
.weakext C_SYMBOL_NAME (symbol)
# else /* ! HAVE_ASM_WEAKEXT_DIRECTIVE */
# else /* ! HAVE_ASM_WEAKEXT_DIRECTIVE */
# ifdef HAVE_ASM_GLOBAL_DOT_NAME
# define weak_alias(original, alias) \
# ifdef HAVE_ASM_GLOBAL_DOT_NAME
# define weak_alias(original, alias) \
.weak C_SYMBOL_NAME (alias) ASM_LINE_SEP \
C_SYMBOL_NAME (alias) = C_SYMBOL_NAME (original) ASM_LINE_SEP \
.weak C_SYMBOL_DOT_NAME (alias) ASM_LINE_SEP \
C_SYMBOL_DOT_NAME (alias) = C_SYMBOL_DOT_NAME (original)
# else
# define weak_alias(original, alias) \
# else
# define weak_alias(original, alias) \
.weak C_SYMBOL_NAME (alias) ASM_LINE_SEP \
C_SYMBOL_NAME (alias) = C_SYMBOL_NAME (original)
# endif
# endif
# define weak_extern(symbol) \
# define weak_extern(symbol) \
.weak C_SYMBOL_NAME (symbol)
# endif /* ! HAVE_ASM_WEAKEXT_DIRECTIVE */
# else /* ! HAVE_WEAK_SYMBOLS */
# define weak_alias(original, alias) strong_alias(original, alias)
# define weak_extern(symbol) /* Nothing */
# endif /* ! HAVE_WEAK_SYMBOLS */
# endif /* ! HAVE_ASM_WEAKEXT_DIRECTIVE */
#endif /* __ASSEMBLER__ */