diff options
Diffstat (limited to 'winsup/cygwin/include/cygwin/config.h')
| -rw-r--r-- | winsup/cygwin/include/cygwin/config.h | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/winsup/cygwin/include/cygwin/config.h b/winsup/cygwin/include/cygwin/config.h index f330ca4ab..cd73388d5 100644 --- a/winsup/cygwin/include/cygwin/config.h +++ b/winsup/cygwin/include/cygwin/config.h @@ -4,7 +4,7 @@ sys/config.h before. This way we can manaage our configuration setting without bothering newlib. - Copyright 2003, 2007, 2008, 2009, 2010, 2012 Red Hat, Inc. + Copyright 2003, 2007, 2008, 2009, 2010, 2012, 2013 Red Hat, Inc. Written by C. Vinschen. This file is part of Cygwin. @@ -38,11 +38,31 @@ extern "C" { we might as well just use it here. */ #ifdef _COMPILING_NEWLIB +#ifdef __x86_64__ +#include "../tlsoffsets64.h" +/* We would like to use just "%gs:8", but on x86_64 gcc uses pc-relative + addressing and translates "gs:8" into the wrong addressing mode. */ +static inline char *___getreent (void) +{ + register char *ret; + __asm __volatile__ ("movq %%gs:8,%0" : "=r" (ret)); + return ret + tls_local_clib; +} +#define __getreent() ((struct _reent *) ___getreent()) +#else #include "../tlsoffsets.h" extern char *_tlsbase __asm__ ("%fs:4"); #define __getreent() (struct _reent *)(_tlsbase + tls_local_clib) +#endif #endif /* _COMPILING_NEWLIB */ +#ifdef __x86_64__ +# define __SYMBOL_PREFIX +#else +# define __SYMBOL_PREFIX "_" +#endif +#define _SYMSTR(x) __SYMBOL_PREFIX #x + #define __FILENAME_MAX__ 4096 /* Keep in sync with PATH_MAX in limits.h. */ /* The following block of macros is required to build newlib correctly for |