diff options
| author | Waldemar Brodkorb <wbx@openadk.org> | 2015-10-08 20:28:39 +0200 |
|---|---|---|
| committer | Waldemar Brodkorb <wbx@uclibc-ng.org> | 2015-10-09 05:34:32 +0200 |
| commit | 4d8e5484afb4978f672a8568ddd12e628fb02724 (patch) | |
| tree | 58be2b52d5afb90974cee8303c6966fb0298f7a0 /libc/sysdeps/linux/or1k/brk.c | |
| parent | e78a0f58f23347c822c182d1c01f6eb9b9866d60 (diff) | |
add new architecture support for or1k
Information about Openrisc:
http://opencores.org/or1k/Main_Page
Integrated from:
https://github.com/openrisc/uClibc-or1k
Diffstat (limited to 'libc/sysdeps/linux/or1k/brk.c')
| -rw-r--r-- | libc/sysdeps/linux/or1k/brk.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/or1k/brk.c b/libc/sysdeps/linux/or1k/brk.c new file mode 100644 index 000000000..f8183dbc1 --- /dev/null +++ b/libc/sysdeps/linux/or1k/brk.c @@ -0,0 +1,23 @@ +/* From libc-5.3.12 */ + +#include <errno.h> +#include <unistd.h> +#include <sys/syscall.h> +libc_hidden_proto(brk) +extern void * ___brk_addr; + +extern int __init_brk (void); +extern void *_brk(void *ptr); + +int brk(void * end_data_seg) +{ + if (__init_brk () == 0) + { + ___brk_addr = _brk(end_data_seg); + if (___brk_addr == end_data_seg) + return 0; + __set_errno(ENOMEM); + } + return -1; +} +libc_hidden_def(brk) |