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