diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/sparc/brk_call.h')
-rw-r--r-- | sysdeps/unix/sysv/linux/sparc/brk_call.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/sparc/brk_call.h b/sysdeps/unix/sysv/linux/sparc/brk_call.h new file mode 100644 index 0000000000..59ce521660 --- /dev/null +++ b/sysdeps/unix/sysv/linux/sparc/brk_call.h @@ -0,0 +1,35 @@ +/* Invoke the brk system call. Sparc version. + Copyright (C) 2022 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 + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library. If not, see + <https://www.gnu.org/licenses/>. */ + +#ifdef __arch64__ +# define SYSCALL_NUM "0x6d" +#else +# define SYSCALL_NUM "0x10" +#endif + +static inline void * +__brk_call (void *addr) +{ + register long int g1 asm ("g1") = __NR_brk; + register long int o0 asm ("o0") = (long int) addr; + asm volatile ("ta " SYSCALL_NUM + : "=r"(o0) + : "r"(g1), "0"(o0) + : "cc"); + return (void *) o0; +} |