| 1 | /* Copyright (C) 2012-2024 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 0x7fff0000 |
| 20 | #endif |
| 21 | |
| 22 | .section .data.rel.local,"aw" ,@progbits |
| 23 | .align 8 |
| 24 | .Ljmp: |
| 25 | .quad func + BIAS |
| 26 | .text |
| 27 | .type func, @function |
| 28 | func: |
| 29 | .cfi_startproc |
| 30 | #if defined __CET__ && (__CET__ & 1) != 0 |
| 31 | endbr64 |
| 32 | #endif |
| 33 | xorl %edi, %edi |
| 34 | jmp exit@PLT |
| 35 | .cfi_endproc |
| 36 | .size func, .-func |
| 37 | .globl foo |
| 38 | .type foo, @function |
| 39 | foo: |
| 40 | .cfi_startproc |
| 41 | .cfi_def_cfa_register 6 |
| 42 | #if defined __CET__ && (__CET__ & 1) != 0 |
| 43 | endbr64 |
| 44 | #endif |
| 45 | movq .Ljmp(%rip), %rax |
| 46 | subq $BIAS, %rax |
| 47 | jmp *%rax |
| 48 | .cfi_endproc |
| 49 | .size foo, .-foo |
| 50 | |