| 1 | /* Copyright (C) 2012-2022 Free Software Foundation, Inc. |
|---|
| 2 | This file is part of the GNU C Library. |
|---|
| 3 | |
|---|
| 4 | The GNU C Library is free software; you can redistribute it and/or |
|---|
| 5 | modify it under the terms of the GNU Lesser General Public |
|---|
| 6 | License as published by the Free Software Foundation; either |
|---|
| 7 | version 2.1 of the License, or (at your option) any later version. |
|---|
| 8 | |
|---|
| 9 | The GNU C Library is distributed in the hope that it will be useful, |
|---|
| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
|---|
| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|---|
| 12 | Lesser General Public License for more details. |
|---|
| 13 | |
|---|
| 14 | You should have received a copy of the GNU Lesser General Public |
|---|
| 15 | License along with the GNU C Library; if not, see |
|---|
| 16 | <https://www.gnu.org/licenses/>. */ |
|---|
| 17 | |
|---|
| 18 | #ifndef BIAS |
|---|
| 19 | # define BIAS 0x7fffffff |
|---|
| 20 | #endif |
|---|
| 21 | |
|---|
| 22 | .section .data.rel,"aw" ,@progbits |
|---|
| 23 | .align 8 |
|---|
| 24 | .Ljmp: |
|---|
| 25 | .quad func + BIAS |
|---|
| 26 | .text |
|---|
| 27 | .globl func |
|---|
| 28 | .type func, @function |
|---|
| 29 | func: |
|---|
| 30 | .cfi_startproc |
|---|
| 31 | #if defined __CET__ && (__CET__ & 1) != 0 |
|---|
| 32 | endbr64 |
|---|
| 33 | #endif |
|---|
| 34 | xorl %edi, %edi |
|---|
| 35 | jmp exit@PLT |
|---|
| 36 | .cfi_endproc |
|---|
| 37 | .size func, .-func |
|---|
| 38 | .globl foo |
|---|
| 39 | .type foo, @function |
|---|
| 40 | foo: |
|---|
| 41 | .cfi_startproc |
|---|
| 42 | .cfi_def_cfa_register 6 |
|---|
| 43 | #if defined __CET__ && (__CET__ & 1) != 0 |
|---|
| 44 | endbr64 |
|---|
| 45 | #endif |
|---|
| 46 | movq .Ljmp(%rip), %rax |
|---|
| 47 | subq $BIAS, %rax |
|---|
| 48 | jmp *%rax |
|---|
| 49 | .cfi_endproc |
|---|
| 50 | .size foo, .-foo |
|---|
| 51 | |
|---|
