1# SPDX-License-Identifier: GPL-2.0 2all: 3 4include ../lib.mk 5 6.PHONY: all all_32 all_64 warn_32bit_failure clean 7 8UNAME_M := $(shell uname -m) 9CAN_BUILD_I386 := $(shell ./check_cc.sh $(CC) trivial_32bit_program.c -m32) 10CAN_BUILD_X86_64 := $(shell ./check_cc.sh $(CC) trivial_64bit_program.c) 11 12TARGETS_C_BOTHBITS := single_step_syscall sysret_ss_attrs syscall_nt test_mremap_vdso \ 13 check_initial_reg_state sigreturn iopl mpx-mini-test ioperm \ 14 protection_keys test_vdso test_vsyscall mov_ss_trap 15TARGETS_C_32BIT_ONLY := entry_from_vm86 syscall_arg_fault test_syscall_vdso unwind_vdso \ 16 test_FCMOV test_FCOMI test_FISTTP \ 17 vdso_restorer 18TARGETS_C_64BIT_ONLY := fsgsbase sysret_rip 19# Some selftests require 32bit support enabled also on 64bit systems 20TARGETS_C_32BIT_NEEDED := ldt_gdt ptrace_syscall 21 22TARGETS_C_32BIT_ALL := $(TARGETS_C_BOTHBITS) $(TARGETS_C_32BIT_ONLY) $(TARGETS_C_32BIT_NEEDED) 23TARGETS_C_64BIT_ALL := $(TARGETS_C_BOTHBITS) $(TARGETS_C_64BIT_ONLY) 24ifeq ($(CAN_BUILD_I386)$(CAN_BUILD_X86_64),11) 25TARGETS_C_64BIT_ALL += $(TARGETS_C_32BIT_NEEDED) 26endif 27 28BINARIES_32 := $(TARGETS_C_32BIT_ALL:%=%_32) 29BINARIES_64 := $(TARGETS_C_64BIT_ALL:%=%_64) 30 31BINARIES_32 := $(patsubst %,$(OUTPUT)/%,$(BINARIES_32)) 32BINARIES_64 := $(patsubst %,$(OUTPUT)/%,$(BINARIES_64)) 33 34CFLAGS := -O2 -g -std=gnu99 -pthread -Wall -no-pie 35 36ifeq ($(CAN_BUILD_I386),1) 37all: all_32 38TEST_PROGS += $(BINARIES_32) 39EXTRA_CFLAGS += -DCAN_BUILD_32 40endif 41 42ifeq ($(CAN_BUILD_X86_64),1) 43all: all_64 44TEST_PROGS += $(BINARIES_64) 45EXTRA_CFLAGS += -DCAN_BUILD_64 46endif 47 48all_32: $(BINARIES_32) 49 50all_64: $(BINARIES_64) 51 52EXTRA_CLEAN := $(BINARIES_32) $(BINARIES_64) 53 54$(BINARIES_32): $(OUTPUT)/%_32: %.c 55 $(CC) -m32 -o $@ $(CFLAGS) $(EXTRA_CFLAGS) $^ -lrt -ldl -lm 56 57$(BINARIES_64): $(OUTPUT)/%_64: %.c 58 $(CC) -m64 -o $@ $(CFLAGS) $(EXTRA_CFLAGS) $^ -lrt -ldl 59 60# x86_64 users should be encouraged to install 32-bit libraries 61ifeq ($(CAN_BUILD_I386)$(CAN_BUILD_X86_64),01) 62all: warn_32bit_failure 63 64warn_32bit_failure: 65 @echo "Warning: you seem to have a broken 32-bit build" 2>&1; \ 66 echo "environment. This will reduce test coverage of 64-bit" 2>&1; \ 67 echo "kernels. If you are using a Debian-like distribution," 2>&1; \ 68 echo "try:"; 2>&1; \ 69 echo ""; \ 70 echo " apt-get install gcc-multilib libc6-i386 libc6-dev-i386"; \ 71 echo ""; \ 72 echo "If you are using a Fedora-like distribution, try:"; \ 73 echo ""; \ 74 echo " yum install glibc-devel.*i686"; \ 75 exit 0; 76endif 77 78# Some tests have additional dependencies. 79$(OUTPUT)/sysret_ss_attrs_64: thunks.S 80$(OUTPUT)/ptrace_syscall_32: raw_syscall_helper_32.S 81$(OUTPUT)/test_syscall_vdso_32: thunks_32.S 82 83# check_initial_reg_state is special: it needs a custom entry, and it 84# needs to be static so that its interpreter doesn't destroy its initial 85# state. 86$(OUTPUT)/check_initial_reg_state_32: CFLAGS += -Wl,-ereal_start -static 87$(OUTPUT)/check_initial_reg_state_64: CFLAGS += -Wl,-ereal_start -static 88