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| author | Anton Kolesov <Anton.Kolesov@synopsys.com> | 2015-10-23 21:23:40 +0300 |
|---|---|---|
| committer | Corinna Vinschen <corinna@vinschen.de> | 2015-11-12 14:03:05 +0100 |
| commit | e945a19cb2c8530ce2ae2ba68ea454b5e4de8bdb (patch) | |
| tree | 5398e30b2886411993410cac98cb522db836839a /newlib/libc/sys/arc/sbrk.c | |
| parent | 332a6236a2f3d6b15523b10b7da3685b1c79f65d (diff) | |
| download | cygnal-e945a19cb2c8530ce2ae2ba68ea454b5e4de8bdb.tar.gz cygnal-e945a19cb2c8530ce2ae2ba68ea454b5e4de8bdb.tar.bz2 cygnal-e945a19cb2c8530ce2ae2ba68ea454b5e4de8bdb.zip | |
Remove obsolete ARC system
ARC architecture specific files has been added ages ago in newlib/libc/sys,
but with invention of libgloss those files should be moved from newlib to
libgloss.
newlib/ChangeLog:
2015-11-12 Anton Kolesov <Anton.Kolesov@synopsys.com>
* configure.host: Remove ARC system.
* libc/sys/configure: Likewise.
* libc/sys/configure.in: Likewise.
* libc/sys/arc/Makefile.am: Likewise.
* libc/sys/arc/Makefile.in: Likewise.
* libc/sys/arc/aclocal.m4: Likewise.
* libc/sys/arc/configure: Likewise.
* libc/sys/arc/configure.in: Likewise.
* libc/sys/arc/crt0.S: Likewise.
* libc/sys/arc/dummy.S: Likewise.
* libc/sys/arc/isatty.c: Likewise.
* libc/sys/arc/mem-layout.c: Likewise.
* libc/sys/arc/sbrk.c: Likewise.
* libc/sys/arc/sys/syscall.h: Likewise.
* libc/sys/arc/syscalls.c: Likewise.
Diffstat (limited to 'newlib/libc/sys/arc/sbrk.c')
| -rw-r--r-- | newlib/libc/sys/arc/sbrk.c | 43 |
1 files changed, 0 insertions, 43 deletions
diff --git a/newlib/libc/sys/arc/sbrk.c b/newlib/libc/sys/arc/sbrk.c deleted file mode 100644 index 9f863cded..000000000 --- a/newlib/libc/sys/arc/sbrk.c +++ /dev/null @@ -1,43 +0,0 @@ -/* sbrk support */ - -/* The current plan is to have one sbrk handler for all cpus. - Hence use `asm' for each global variable here to avoid the cpu prefix. - We can't intrude on the user's namespace (another reason to use asm). */ - -#include <sys/types.h> -#include <sys/syscall.h> -#include <errno.h> -#include <stddef.h> - -/* These variables are publicly accessible for debugging purposes. - The user is also free to set sbrk_size to something different. - See mem-layout.c. */ - -extern int sbrk_size asm ("sbrk_size"); - -caddr_t sbrk_start asm ("sbrk_start"); -caddr_t sbrk_loc asm ("sbrk_loc"); - -/*caddr_t _sbrk_r (struct _reent *, size_t) asm ("__sbrk_r");*/ - -/* FIXME: We need a semaphore here. */ - -caddr_t -_sbrk_r (struct _reent *r, size_t nbytes) -{ - caddr_t result; - - if ( - /* Ensure we don't underflow. */ - sbrk_loc + nbytes < sbrk_start - /* Ensure we don't overflow. */ - || sbrk_loc + nbytes > sbrk_start + sbrk_size) - { - errno = ENOMEM; - return ((caddr_t) -1); - } - - result = sbrk_loc; - sbrk_loc += nbytes; - return result; -} |