1all:
2
3include ../lib.mk
4
5.PHONY: all all_32 all_64 warn_32bit_failure clean
6
7TARGETS_C_BOTHBITS := single_step_syscall sysret_ss_attrs syscall_nt ptrace_syscall \
8			check_initial_reg_state sigreturn ldt_gdt iopl
9TARGETS_C_32BIT_ONLY := entry_from_vm86 syscall_arg_fault test_syscall_vdso unwind_vdso \
10			test_FCMOV test_FCOMI test_FISTTP \
11			vdso_restorer
12
13TARGETS_C_32BIT_ALL := $(TARGETS_C_BOTHBITS) $(TARGETS_C_32BIT_ONLY)
14TARGETS_C_64BIT_ALL := $(TARGETS_C_BOTHBITS) $(TARGETS_C_64BIT_ONLY)
15BINARIES_32 := $(TARGETS_C_32BIT_ALL:%=%_32)
16BINARIES_64 := $(TARGETS_C_64BIT_ALL:%=%_64)
17
18CFLAGS := -O2 -g -std=gnu99 -pthread -Wall
19
20UNAME_M := $(shell uname -m)
21CAN_BUILD_I386 := $(shell ./check_cc.sh $(CC) trivial_32bit_program.c -m32)
22CAN_BUILD_X86_64 := $(shell ./check_cc.sh $(CC) trivial_64bit_program.c)
23
24ifeq ($(CAN_BUILD_I386),1)
25all: all_32
26TEST_PROGS += $(BINARIES_32)
27endif
28
29ifeq ($(CAN_BUILD_X86_64),1)
30all: all_64
31TEST_PROGS += $(BINARIES_64)
32endif
33
34all_32: $(BINARIES_32)
35
36all_64: $(BINARIES_64)
37
38clean:
39	$(RM) $(BINARIES_32) $(BINARIES_64)
40
41$(TARGETS_C_32BIT_ALL:%=%_32): %_32: %.c
42	$(CC) -m32 -o $@ $(CFLAGS) $(EXTRA_CFLAGS) $^ -lrt -ldl -lm
43
44$(TARGETS_C_64BIT_ALL:%=%_64): %_64: %.c
45	$(CC) -m64 -o $@ $(CFLAGS) $(EXTRA_CFLAGS) $^ -lrt -ldl
46
47# x86_64 users should be encouraged to install 32-bit libraries
48ifeq ($(CAN_BUILD_I386)$(CAN_BUILD_X86_64),01)
49all: warn_32bit_failure
50
51warn_32bit_failure:
52	@echo "Warning: you seem to have a broken 32-bit build" 2>&1; 	\
53	echo "environment.  This will reduce test coverage of 64-bit" 2>&1; \
54	echo "kernels.  If you are using a Debian-like distribution," 2>&1; \
55	echo "try:"; 2>&1; \
56	echo "";							\
57	echo "  apt-get install gcc-multilib libc6-i386 libc6-dev-i386"; \
58	echo "";							\
59	echo "If you are using a Fedora-like distribution, try:";	\
60	echo "";							\
61	echo "  yum install glibc-devel.*i686";				\
62	exit 0;
63endif
64
65# Some tests have additional dependencies.
66sysret_ss_attrs_64: thunks.S
67ptrace_syscall_32: raw_syscall_helper_32.S
68test_syscall_vdso_32: thunks_32.S
69
70# check_initial_reg_state is special: it needs a custom entry, and it
71# needs to be static so that its interpreter doesn't destroy its initial
72# state.
73check_initial_reg_state_32: CFLAGS += -Wl,-ereal_start -static
74check_initial_reg_state_64: CFLAGS += -Wl,-ereal_start -static
75