| Server IP : 13.213.54.232 / Your IP : 216.73.217.11 Web Server : Apache/2.4.52 (Ubuntu) System : Linux ip-172-31-17-110 6.8.0-1029-aws #31~22.04.1-Ubuntu SMP Thu Apr 24 21:16:18 UTC 2025 x86_64 User : www-data ( 33) PHP Version : 7.1.33-67+ubuntu22.04.1+deb.sury.org+1 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals, MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : ON | Pkexec : ON Directory : /proc/self/root/lib/modules/6.8.0-1029-aws/build/tools/testing/selftests/arm64/pauth/ |
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# SPDX-License-Identifier: GPL-2.0 # Copyright (C) 2020 ARM Limited # preserve CC value from top level Makefile ifeq ($(CC),cc) CC := $(CROSS_COMPILE)gcc endif CFLAGS += -mbranch-protection=pac-ret # check if the compiler supports ARMv8.3 and branch protection with PAuth pauth_cc_support := $(shell if ($(CC) $(CFLAGS) -march=armv8.3-a -E -x c /dev/null -o /dev/null 2>&1) then echo "1"; fi) ifeq ($(pauth_cc_support),1) TEST_GEN_PROGS := pac TEST_GEN_FILES := pac_corruptor.o helper.o TEST_GEN_PROGS_EXTENDED := exec_target endif include ../../lib.mk ifeq ($(pauth_cc_support),1) # pac* and aut* instructions are not available on architectures berfore # ARMv8.3. Therefore target ARMv8.3 wherever they are used directly $(OUTPUT)/pac_corruptor.o: pac_corruptor.S $(CC) -c $^ -o $@ $(CFLAGS) -march=armv8.3-a $(OUTPUT)/helper.o: helper.c $(CC) -c $^ -o $@ $(CFLAGS) -march=armv8.3-a # when -mbranch-protection is enabled and the target architecture is ARMv8.3 or # greater, gcc emits pac* instructions which are not in HINT NOP space, # preventing the tests from occurring at all. Compile for ARMv8.2 so tests can # run on earlier targets and print a meaningful error messages $(OUTPUT)/exec_target: exec_target.c $(OUTPUT)/helper.o $(CC) $^ -o $@ $(CFLAGS) -march=armv8.2-a $(OUTPUT)/pac: pac.c $(OUTPUT)/pac_corruptor.o $(OUTPUT)/helper.o $(CC) $^ -o $@ $(CFLAGS) -march=armv8.2-a endif