diff options
Diffstat (limited to 'include/libc-symbols.h')
| -rw-r--r-- | include/libc-symbols.h | 33 |
1 files changed, 5 insertions, 28 deletions
diff --git a/include/libc-symbols.h b/include/libc-symbols.h index 743b6f6f5b..4548e097dc 100644 --- a/include/libc-symbols.h +++ b/include/libc-symbols.h @@ -1,6 +1,6 @@ /* Support macros for making weak and strong aliases for symbols, and for using symbol sets and linker warnings with GNU ld. - Copyright (C) 1995-2015 Free Software Foundation, Inc. + Copyright (C) 1995-2016 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -35,11 +35,9 @@ file in the C library by -imacros. We include config.h which is generated by configure. - It should define for us the following symbols: + It should define for us the following symbol: * HAVE_ASM_SET_DIRECTIVE if we have `.set B, A' instead of `A = B'. - * HAVE_ASM_WEAK_DIRECTIVE if we have weak symbols using `.weak'. - * HAVE_ASM_WEAKEXT_DIRECTIVE if we have weak symbols using `.weakext'. */ @@ -80,10 +78,6 @@ /* The symbols in all the user (non-_) macros are C symbols. */ -#if !defined HAVE_ASM_WEAK_DIRECTIVE && !defined HAVE_ASM_WEAKEXT_DIRECTIVE -# error "weak symbol support needed" -#endif - #ifndef __SYMBOL_PREFIX # define __SYMBOL_PREFIX #endif @@ -142,23 +136,13 @@ # define strong_data_alias(original, alias) strong_alias(original, alias) # endif -# ifdef HAVE_ASM_WEAKEXT_DIRECTIVE -# define weak_alias(original, alias) \ - .weakext C_SYMBOL_NAME (alias), C_SYMBOL_NAME (original) -# define weak_extern(symbol) \ - .weakext C_SYMBOL_NAME (symbol) - -# else /* ! HAVE_ASM_WEAKEXT_DIRECTIVE */ - -# define weak_alias(original, alias) \ +# define weak_alias(original, alias) \ .weak C_SYMBOL_NAME (alias) ASM_LINE_SEP \ C_SYMBOL_NAME (alias) = C_SYMBOL_NAME (original) -# define weak_extern(symbol) \ +# define weak_extern(symbol) \ .weak C_SYMBOL_NAME (symbol) -# endif /* ! HAVE_ASM_WEAKEXT_DIRECTIVE */ - #endif /* __ASSEMBLER__ */ /* On some platforms we can make internal function calls (i.e., calls of @@ -175,15 +159,8 @@ /* When a reference to SYMBOL is encountered, the linker will emit a warning message MSG. */ /* We want the .gnu.warning.SYMBOL section to be unallocated. */ -#ifdef HAVE_ASM_PREVIOUS_DIRECTIVE -# define __make_section_unallocated(section_string) \ +#define __make_section_unallocated(section_string) \ asm (".section " section_string "\n\t.previous"); -#elif defined HAVE_ASM_POPSECTION_DIRECTIVE -# define __make_section_unallocated(section_string) \ - asm (".pushsection " section_string "\n\t.popsection"); -#else -# define __make_section_unallocated(section_string) -#endif /* Tacking on "\n\t#" to the section name makes gcc put it's bogus section attributes on what looks like a comment to the assembler. */ |