| 1 | /* |
|---|
| 2 | Copyright (c) 2013 Andes Technology Corporation. |
|---|
| 3 | All rights reserved. |
|---|
| 4 | |
|---|
| 5 | Redistribution and use in source and binary forms, with or without |
|---|
| 6 | modification, are permitted provided that the following conditions are met: |
|---|
| 7 | |
|---|
| 8 | Redistributions of source code must retain the above copyright |
|---|
| 9 | notice, this list of conditions and the following disclaimer. |
|---|
| 10 | |
|---|
| 11 | Redistributions in binary form must reproduce the above copyright |
|---|
| 12 | notice, this list of conditions and the following disclaimer in the |
|---|
| 13 | documentation and/or other materials provided with the distribution. |
|---|
| 14 | |
|---|
| 15 | The name of the company may not be used to endorse or promote |
|---|
| 16 | products derived from this software without specific prior written |
|---|
| 17 | permission. |
|---|
| 18 | |
|---|
| 19 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
|---|
| 20 | AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
|---|
| 21 | IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
|---|
| 22 | DISCLAIMED. IN NO EVENT SHALL RED HAT INCORPORATED BE LIABLE FOR ANY |
|---|
| 23 | DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
|---|
| 24 | (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
|---|
| 25 | LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
|---|
| 26 | ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
|---|
| 27 | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
|---|
| 28 | SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
|---|
| 29 | */ |
|---|
| 30 | /* Upon successful completion, 0 shall be returned. Otherwise, |
|---|
| 31 | -1 shall be returned and errno set to indicate the error. */ |
|---|
| 32 | .extern _impure_ptr /* The first element is _errno. */ |
|---|
| 33 | .text |
|---|
| 34 | .global _link |
|---|
| 35 | .type _link, @function |
|---|
| 36 | .align 2 |
|---|
| 37 | _link: |
|---|
| 38 | /* A minimal implementation has no file system, so this function |
|---|
| 39 | must always fail, with an appropriate value set in errno. */ |
|---|
| 40 | movi $r0, #31 /* EMLINK: Too many links */ |
|---|
| 41 | l.w $r15, _impure_ptr |
|---|
| 42 | swi $r0, [$r15] |
|---|
| 43 | movi $r0, -1 /* Set return value to -1. */ |
|---|
| 44 | ret |
|---|
| 45 | .size _link, .-_link |
|---|
