5 .PHONY: all all_32 all_64 warn_32bit_failure clean
7 TARGETS_C_BOTHBITS := single_step_syscall sysret_ss_attrs syscall_nt ptrace_syscall test_mremap_vdso \
8 check_initial_reg_state sigreturn ldt_gdt iopl mpx-mini-test \
9 protection_keys test_vsyscall
10 TARGETS_C_32BIT_ONLY := entry_from_vm86 syscall_arg_fault test_syscall_vdso unwind_vdso \
11 test_FCMOV test_FCOMI test_FISTTP \
13 TARGETS_C_64BIT_ONLY := fsgsbase
15 TARGETS_C_32BIT_ALL := $(TARGETS_C_BOTHBITS) $(TARGETS_C_32BIT_ONLY)
16 TARGETS_C_64BIT_ALL := $(TARGETS_C_BOTHBITS) $(TARGETS_C_64BIT_ONLY)
17 BINARIES_32 := $(TARGETS_C_32BIT_ALL:%=%_32)
18 BINARIES_64 := $(TARGETS_C_64BIT_ALL:%=%_64)
20 CFLAGS := -O2 -g -std=gnu99 -pthread -Wall -no-pie
22 UNAME_M := $(shell uname -m)
23 CAN_BUILD_I386 := $(shell ./check_cc.sh $(CC) trivial_32bit_program.c -m32)
24 CAN_BUILD_X86_64 := $(shell ./check_cc.sh $(CC) trivial_64bit_program.c)
26 ifeq ($(CAN_BUILD_I386),1)
28 TEST_PROGS += $(BINARIES_32)
29 EXTRA_CFLAGS += -DCAN_BUILD_32
32 ifeq ($(CAN_BUILD_X86_64),1)
34 TEST_PROGS += $(BINARIES_64)
35 EXTRA_CFLAGS += -DCAN_BUILD_64
38 all_32: $(BINARIES_32)
40 all_64: $(BINARIES_64)
43 $(RM) $(BINARIES_32) $(BINARIES_64)
45 $(TARGETS_C_32BIT_ALL:%=%_32): %_32: %.c
46 $(CC) -m32 -o $@ $(CFLAGS) $(EXTRA_CFLAGS) $^ -lrt -ldl -lm
48 $(TARGETS_C_64BIT_ALL:%=%_64): %_64: %.c
49 $(CC) -m64 -o $@ $(CFLAGS) $(EXTRA_CFLAGS) $^ -lrt -ldl
51 # x86_64 users should be encouraged to install 32-bit libraries
52 ifeq ($(CAN_BUILD_I386)$(CAN_BUILD_X86_64),01)
53 all: warn_32bit_failure
56 @echo "Warning: you seem to have a broken 32-bit build" 2>&1; \
57 echo "environment. This will reduce test coverage of 64-bit" 2>&1; \
58 echo "kernels. If you are using a Debian-like distribution," 2>&1; \
61 echo " apt-get install gcc-multilib libc6-i386 libc6-dev-i386"; \
63 echo "If you are using a Fedora-like distribution, try:"; \
65 echo " yum install glibc-devel.*i686"; \
69 # Some tests have additional dependencies.
70 sysret_ss_attrs_64: thunks.S
71 ptrace_syscall_32: raw_syscall_helper_32.S
72 test_syscall_vdso_32: thunks_32.S
74 # check_initial_reg_state is special: it needs a custom entry, and it
75 # needs to be static so that its interpreter doesn't destroy its initial
77 check_initial_reg_state_32: CFLAGS += -Wl,-ereal_start -static
78 check_initial_reg_state_64: CFLAGS += -Wl,-ereal_start -static