diff options
| -rw-r--r-- | include/alloca.h | 2 | ||||
| -rw-r--r-- | include/libc-internal.h | 61 | ||||
| -rw-r--r-- | include/link.h | 2 |
3 files changed, 34 insertions, 31 deletions
diff --git a/include/alloca.h b/include/alloca.h index 0dd291f1b..b4fc31738 100644 --- a/include/alloca.h +++ b/include/alloca.h @@ -36,6 +36,8 @@ extern void *alloca (size_t __size) __THROW; # define alloca(size) __builtin_alloca (size) #endif /* GCC. */ +#define __MAX_ALLOCA_CUTOFF 65536 + __END_DECLS #endif /* alloca.h */ diff --git a/include/libc-internal.h b/include/libc-internal.h index b07965f33..26e06e636 100644 --- a/include/libc-internal.h +++ b/include/libc-internal.h @@ -326,36 +326,6 @@ extern int __sprintf (char *__restrict __s, #define fopen64 __fopen64 #endif -/* #include <alloca.h> */ -#include <bits/stackinfo.h> -#if _STACK_GROWS_DOWN -# define extend_alloca(buf, len, newlen) \ - (__typeof (buf)) ({ size_t __newlen = (newlen); \ - char *__newbuf = alloca (__newlen); \ - if (__newbuf + __newlen == (char *) buf) \ - len += __newlen; \ - else \ - len = __newlen; \ - __newbuf; }) -#elif _STACK_GROWS_UP -# define extend_alloca(buf, len, newlen) \ - (__typeof (buf)) ({ size_t __newlen = (newlen); \ - char *__newbuf = alloca (__newlen); \ - char *__buf = (buf); \ - if (__buf + __newlen == __newbuf) \ - { \ - len += __newlen; \ - __newbuf = __buf; \ - } \ - else \ - len = __newlen; \ - __newbuf; }) -#else -# warning unknown stack -# define extend_alloca(buf, len, newlen) \ - alloca (((len) = (newlen))) -#endif - /* #include <stdlib.h> */ extern char *__getenv (__const char *__name) attribute_hidden; extern void __exit (int __status) __THROW __attribute__ ((__noreturn__)) attribute_hidden; @@ -478,6 +448,37 @@ extern int __gettimeofday(struct timeval *__restrict __tv, *__restrict __timezon extern const char *__uclibc_progname attribute_hidden; # endif /* IS_IN_libc */ + +/* #include <alloca.h> */ +#include <bits/stackinfo.h> +#if _STACK_GROWS_DOWN +# define extend_alloca(buf, len, newlen) \ + (__typeof (buf)) ({ size_t __newlen = (newlen); \ + char *__newbuf = alloca (__newlen); \ + if (__newbuf + __newlen == (char *) buf) \ + len += __newlen; \ + else \ + len = __newlen; \ + __newbuf; }) +#elif _STACK_GROWS_UP +# define extend_alloca(buf, len, newlen) \ + (__typeof (buf)) ({ size_t __newlen = (newlen); \ + char *__newbuf = alloca (__newlen); \ + char *__buf = (buf); \ + if (__buf + __newlen == __newbuf) \ + { \ + len += __newlen; \ + __newbuf = __buf; \ + } \ + else \ + len = __newlen; \ + __newbuf; }) +#else +# warning unknown stack +# define extend_alloca(buf, len, newlen) \ + alloca (((len) = (newlen))) +#endif + #endif /* __ASSEMBLER__ */ #endif /* _LIBC_INTERNAL_H */ diff --git a/include/link.h b/include/link.h index dc6502476..1dd1c4c46 100644 --- a/include/link.h +++ b/include/link.h @@ -25,7 +25,7 @@ #include <elf.h> #include <dlfcn.h> #include <sys/types.h> -#ifdef _LIBC +#if defined _LIBC && defined __UCLIBC_HAS_THREADS_NATIVE__ #include <tls.h> #endif |