diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/sparc')
| -rw-r--r-- | sysdeps/unix/sysv/linux/sparc/brk_call.h (renamed from sysdeps/unix/sysv/linux/sparc/brk.c) | 33 |
1 files changed, 5 insertions, 28 deletions
diff --git a/sysdeps/unix/sysv/linux/sparc/brk.c b/sysdeps/unix/sysv/linux/sparc/brk_call.h index c5c1ee0..59ce521 100644 --- a/sysdeps/unix/sysv/linux/sparc/brk.c +++ b/sysdeps/unix/sysv/linux/sparc/brk_call.h @@ -1,5 +1,5 @@ -/* Change data segment. Linux SPARC version. - Copyright (C) 2021-2022 Free Software Foundation, Inc. +/* 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 @@ -16,28 +16,14 @@ License along with the GNU C Library. If not, see <https://www.gnu.org/licenses/>. */ -#include <errno.h> -#include <unistd.h> -#include <sysdep.h> - -/* This must be initialized data because commons can't have aliases. */ -void *__curbrk = 0; - -#if HAVE_INTERNAL_BRK_ADDR_SYMBOL -/* Old braindamage in GCC's crtstuff.c requires this symbol in an attempt - to work around different old braindamage in the old Linux ELF dynamic - linker. */ -weak_alias (__curbrk, ___brk_addr) -#endif - #ifdef __arch64__ # define SYSCALL_NUM "0x6d" #else # define SYSCALL_NUM "0x10" #endif -int -__brk (void *addr) +static inline void * +__brk_call (void *addr) { register long int g1 asm ("g1") = __NR_brk; register long int o0 asm ("o0") = (long int) addr; @@ -45,14 +31,5 @@ __brk (void *addr) : "=r"(o0) : "r"(g1), "0"(o0) : "cc"); - __curbrk = (void *) o0; - - if (__curbrk < addr) - { - __set_errno (ENOMEM); - return -1; - } - - return 0; + return (void *) o0; } -weak_alias (__brk, brk) |