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-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc64/brk.S105
1 files changed, 0 insertions, 105 deletions
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/brk.S b/sysdeps/unix/sysv/linux/sparc/sparc64/brk.S
deleted file mode 100644
index 32fd3e75d1..0000000000
--- a/sysdeps/unix/sysv/linux/sparc/sparc64/brk.S
+++ /dev/null
@@ -1,105 +0,0 @@
-/* Copyright (C) 1997-2017 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Richard Henderson <richard@gnu.ai.mit.edu>, 1997.
-
- 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
- <http://www.gnu.org/licenses/>. */
-
-/* __brk is a special syscall under Linux since it never returns an
- error. Instead, the error condition is indicated by returning the old
- break value (instead of the new, requested one). */
-
-#include <sysdep.h>
-#define _ERRNO_H
-#include <bits/errno.h>
-
-#ifdef PIC
-.section .bss
- .align 8
- .globl __curbrk
-__curbrk: .skip 8
- .type __curbrk,@object
- .size __curbrk,8
-#else
-.common __curbrk, 8, 8
-#endif
-
- .text
-ENTRY (__brk)
- save %sp, -192, %sp
- cfi_def_cfa_register(%fp)
- cfi_window_save
- cfi_register(%o7, %i7)
-#ifdef PIC
- SETUP_PIC_REG(l7)
-#endif
-
- LOADSYSCALL(brk)
- mov %i0, %o0
-
- ta 0x6d
-
- /* All the ways we can fail... */
- bcs,pn %xcc, .Lerr1
- nop
- brz,pt %i0, .Lok
- subcc %i0, %o0, %g0
- bne,pn %xcc, .Lerr0
- nop
-
- /* Update __curbrk and return cleanly. */
-.Lok:
-#ifndef PIC
- sethi %hi(__curbrk), %g1
- or %g1, %lo(__curbrk), %g1
-#else
- sethi %gdop_hix22(__curbrk), %g1
- xor %g1, %gdop_lox10(__curbrk), %g1
- ldx [%l7 + %g1], %g1, %gdop(__curbrk)
-#endif
- stx %o0, [%g1]
- mov %g0, %i0
-
- /* Don't use "ret" cause the preprocessor will eat it. */
- jmpl %i7+8, %g0
- restore
-
- /* What a horrible way to die. */
-.Lerr0: set ENOMEM, %o0
-.Lerr1:
-#ifndef _LIBC_REENTRANT
-#ifndef PIC
- sethi %hi(errno), %g1
- or %g1, %lo(errno), %g1
-#else
- sethi %gdop_hix22(errno), %g1
- xor %g1, %gdop_lox10(errno), %g1
- ldx [%l7 + %g1], %g1, %gdop(errno)
-#endif
- st %o0, [%g1]
-#else
-#if IS_IN (libc)
- call HIDDEN_JUMPTARGET(__errno_location)
-#else
- call __errno_location
-#endif
- mov %o0,%l1
- st %l1, [%o0]
-#endif
- sub %g0, 1, %i0
- jmpl %i7+8, %g0
- restore
-END (__brk)
-
-weak_alias (__brk, brk)