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author | Joseph Myers <joseph@codesourcery.com> | 2012-07-01 13:08:59 +0000 |
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committer | Joseph Myers <joseph@codesourcery.com> | 2012-07-01 13:08:59 +0000 |
commit | e84eabb3871c9b39e59323bf3f6b98c2ca9d1cd0 (patch) | |
tree | dff3f1b79454b518d15a7b9bbedeb57ff156bbe8 /ports/sysdeps/unix/sysv/linux/ia64/brk.S | |
parent | 75f0d3040a2c2de8842bfa7a09e11da1a73e17d0 (diff) | |
parent | e64ac02c24b43659048622714afdc92fedf561fa (diff) |
Merge glibc-ports into ports/ directory.glibc-2.16-ports-merge
Diffstat (limited to 'ports/sysdeps/unix/sysv/linux/ia64/brk.S')
-rw-r--r-- | ports/sysdeps/unix/sysv/linux/ia64/brk.S | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/ports/sysdeps/unix/sysv/linux/ia64/brk.S b/ports/sysdeps/unix/sysv/linux/ia64/brk.S new file mode 100644 index 0000000000..0e011ff5a3 --- /dev/null +++ b/ports/sysdeps/unix/sysv/linux/ia64/brk.S @@ -0,0 +1,51 @@ +/* brk system call for Linux/ia64 + Copyright (C) 1999,2000,2001,2003 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Written by Stephane Eranian <eranian@hpl.hp.com> and + Jes Sorensen, <Jes.Sorensen@cern.ch>, April 1999. + + 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/>. */ + +#include <sysdep.h> + +#include <asm/unistd.h> +#include <asm/errno.h> + + .global __curbrk + .type __curbrk,@object + .size __curbrk,8 + .data + .align 8 +__curbrk: + data8 0 + +weak_alias (__curbrk, ___brk_addr) + +LEAF(__brk) + .regstk 1, 0, 0, 0 + DO_CALL(__NR_brk) + cmp.ltu p6, p0 = ret0, in0 + addl r9 = @ltoff(__curbrk), gp + ;; + ld8 r9 = [r9] +(p6) mov ret0 = ENOMEM +(p6) br.cond.spnt.few __syscall_error + ;; + st8 [r9] = ret0 + mov ret0 = 0 + ret +END(__brk) + +weak_alias (__brk, brk) |