| 1 | /* Test R_*_IRELATIVE resolver with second argument. |
|---|
| 2 | Copyright (C) 2019-2024 Free Software Foundation, Inc. |
|---|
| 3 | This file is part of the GNU C Library. |
|---|
| 4 | |
|---|
| 5 | The GNU C Library is free software; you can redistribute it and/or |
|---|
| 6 | modify it under the terms of the GNU Lesser General Public |
|---|
| 7 | License as published by the Free Software Foundation; either |
|---|
| 8 | version 2.1 of the License, or (at your option) any later version. |
|---|
| 9 | |
|---|
| 10 | The GNU C Library is distributed in the hope that it will be useful, |
|---|
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
|---|
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|---|
| 13 | Lesser General Public License for more details. |
|---|
| 14 | |
|---|
| 15 | You should have received a copy of the GNU Lesser General Public |
|---|
| 16 | License along with the GNU C Library; if not, see |
|---|
| 17 | <https://www.gnu.org/licenses/>. */ |
|---|
| 18 | |
|---|
| 19 | #include <stdint.h> |
|---|
| 20 | #include <sys/auxv.h> |
|---|
| 21 | #include <sys/ifunc.h> |
|---|
| 22 | #include <support/check.h> |
|---|
| 23 | |
|---|
| 24 | static int |
|---|
| 25 | one (void) |
|---|
| 26 | { |
|---|
| 27 | return 1; |
|---|
| 28 | } |
|---|
| 29 | |
|---|
| 30 | static uint64_t saved_arg1; |
|---|
| 31 | static __ifunc_arg_t saved_arg2; |
|---|
| 32 | |
|---|
| 33 | /* local ifunc symbol. */ |
|---|
| 34 | int |
|---|
| 35 | __attribute__ ((visibility ("hidden" ))) |
|---|
| 36 | foo (void); |
|---|
| 37 | |
|---|
| 38 | static void * |
|---|
| 39 | __attribute__ ((used)) |
|---|
| 40 | foo_ifunc (uint64_t, const __ifunc_arg_t *) __asm__ ("foo" ); |
|---|
| 41 | __asm__(".type foo, %gnu_indirect_function" ); |
|---|
| 42 | |
|---|
| 43 | static void * |
|---|
| 44 | __attribute__ ((used)) |
|---|
| 45 | inhibit_stack_protector |
|---|
| 46 | foo_ifunc (uint64_t arg1, const __ifunc_arg_t *arg2) |
|---|
| 47 | { |
|---|
| 48 | saved_arg1 = arg1; |
|---|
| 49 | if (arg1 & _IFUNC_ARG_HWCAP) |
|---|
| 50 | saved_arg2 = *arg2; |
|---|
| 51 | return (void *) one; |
|---|
| 52 | } |
|---|
| 53 | |
|---|
| 54 | static int |
|---|
| 55 | do_test (void) |
|---|
| 56 | { |
|---|
| 57 | TEST_VERIFY (foo () == 1); |
|---|
| 58 | TEST_VERIFY (saved_arg1 & _IFUNC_ARG_HWCAP); |
|---|
| 59 | TEST_COMPARE ((uint32_t)saved_arg1, (uint32_t)getauxval (AT_HWCAP)); |
|---|
| 60 | TEST_COMPARE (saved_arg2._size, sizeof (__ifunc_arg_t)); |
|---|
| 61 | TEST_COMPARE (saved_arg2._hwcap, getauxval (AT_HWCAP)); |
|---|
| 62 | TEST_COMPARE (saved_arg2._hwcap2, getauxval (AT_HWCAP2)); |
|---|
| 63 | return 0; |
|---|
| 64 | } |
|---|
| 65 | |
|---|
| 66 | #include <support/test-driver.c> |
|---|
| 67 | |
|---|
