glibc/sysdeps/unix/sh/sysdep.S
Paul Eggert 581c785bf3 Update copyright dates with scripts/update-copyrights
I used these shell commands:

../glibc/scripts/update-copyrights $PWD/../gnulib/build-aux/update-copyright
(cd ../glibc && git commit -am"[this commit message]")

and then ignored the output, which consisted lines saying "FOO: warning:
copyright statement not found" for each of 7061 files FOO.

I then removed trailing white space from math/tgmath.h,
support/tst-support-open-dev-null-range.c, and
sysdeps/x86_64/multiarch/strlen-vec.S, to work around the following
obscure pre-commit check failure diagnostics from Savannah.  I don't
know why I run into these diagnostics whereas others evidently do not.

remote: *** 912-#endif
remote: *** 913:
remote: *** 914-
remote: *** error: lines with trailing whitespace found
...
remote: *** error: sysdeps/unix/sysv/linux/statx_cp.c: trailing lines
2022-01-01 11:40:24 -08:00

116 lines
2.6 KiB
ArmAsm

/* Copyright (C) 1999-2022 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/>. */
#include <sysdep.h>
#include <errno.h>
ENTRY(__syscall_error)
#if defined (EWOULDBLOCK_sys) && EWOULDBLOCK_sys != EAGAIN
/* We translate the system's EWOULDBLOCK error into EAGAIN.
The GNU C library always defines EWOULDBLOCK==EAGAIN.
EWOULDBLOCK_sys is the original number. */
mov.l .L1, r1
cmp/eq r1, r0
bf skip
nop
mov.l .L2, r0
skip:
#endif
/* Store it in errno... */
#ifndef SHARED
#ifndef _LIBC_REENTRANT
mov.l .L3, r1
mov.l r0, @r1
#else
mov.l .L3, r1
sts.l pr, @-r15
cfi_adjust_cfa_offset (4)
cfi_rel_offset (pr, 0)
mov.l r0, @-r15
cfi_adjust_cfa_offset (4)
jsr @r1
nop
mov.l @r15+, r1
cfi_adjust_cfa_offset (-4)
lds.l @r15+, pr
cfi_adjust_cfa_offset (-4)
cfi_restore (pr)
mov.l r1, @r0
#endif
#else
mov.l r12, @-r15
cfi_adjust_cfa_offset (4)
cfi_rel_offset (r12, 0)
#ifndef _LIBC_REENTRANT
mov r0, r2
mov.l 0f, r12
mova 0f, r0
add r0, r12
mov.l .L3, r0
mov.l @(r0,r12), r1
mov.l r2, @r1
#else
mov.l r0, @-r15
cfi_adjust_cfa_offset (4)
sts.l pr, @-r15
cfi_adjust_cfa_offset (4)
cfi_rel_offset (pr, 0)
mov.l 0f, r12
mova 0f, r0
add r0, r12
mov.l .L3, r1
mova .L3, r0
add r0, r1
jsr @r1
nop
lds.l @r15+, pr
cfi_adjust_cfa_offset (-4)
cfi_restore (pr)
mov.l @r15+, r1
cfi_adjust_cfa_offset (-4)
mov.l r1, @r0
#endif
mov.l @r15+, r12
cfi_adjust_cfa_offset (-4)
cfi_restore (r12)
#endif
/* And just kick back a -1. */
rts
mov #-1, r0
.align 2
#if defined (EWOULDBLOCK_sys) && EWOULDBLOCK_sys != EAGAIN
.L1: .long EWOULDBLOCK_sys
.L2: .long EAGAIN
#endif
#ifndef SHARED
#ifndef _LIBC_REENTRANT
.L3: .long C_SYMBOL_NAME(errno)
#else
.L3: .long C_SYMBOL_NAME(__errno_location)
#endif
#else
0:
.long _GLOBAL_OFFSET_TABLE_
#ifndef _LIBC_REENTRANT
.L3: .long C_SYMBOL_NAME(errno@GOT)
#else
.L3: .long C_SYMBOL_NAME(__errno_location@PLT)
#endif
#endif
END(__syscall_error)