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
12TARGETS_C_64BIT_ONLY := fsgsbase
13
14TARGETS_C_32BIT_ALL := $(TARGETS_C_BOTHBITS) $(TARGETS_C_32BIT_ONLY)
15TARGETS_C_64BIT_ALL := $(TARGETS_C_BOTHBITS) $(TARGETS_C_64BIT_ONLY)
16BINARIES_32 := $(TARGETS_C_32BIT_ALL:%=%_32)
17BINARIES_64 := $(TARGETS_C_64BIT_ALL:%=%_64)
18
19CFLAGS := -O2 -g -std=gnu99 -pthread -Wall
20
21UNAME_M := $(shell uname -m)
22CAN_BUILD_I386 := $(shell ./check_cc.sh $(CC) trivial_32bit_program.c -m32)
23CAN_BUILD_X86_64 := $(shell ./check_cc.sh $(CC) trivial_64bit_program.c)
24
25ifeq ($(CAN_BUILD_I386),1)
26all: all_32
27TEST_PROGS += $(BINARIES_32)
28endif
29
30ifeq ($(CAN_BUILD_X86_64),1)
31all: all_64
32TEST_PROGS += $(BINARIES_64)
33endif
34
35all_32: $(BINARIES_32)
36
37all_64: $(BINARIES_64)
38
39clean:
40	$(RM) $(BINARIES_32) $(BINARIES_64)
41
42$(TARGETS_C_32BIT_ALL:%=%_32): %_32: %.c
43	$(CC) -m32 -o $@ $(CFLAGS) $(EXTRA_CFLAGS) $^ -lrt -ldl -lm
44
45$(TARGETS_C_64BIT_ALL:%=%_64): %_64: %.c
46	$(CC) -m64 -o $@ $(CFLAGS) $(EXTRA_CFLAGS) $^ -lrt -ldl
47
48# x86_64 users should be encouraged to install 32-bit libraries
49ifeq ($(CAN_BUILD_I386)$(CAN_BUILD_X86_64),01)
50all: warn_32bit_failure
51
52warn_32bit_failure:
53	@echo "Warning: you seem to have a broken 32-bit build" 2>&1; 	\
54	echo "environment.  This will reduce test coverage of 64-bit" 2>&1; \
55	echo "kernels.  If you are using a Debian-like distribution," 2>&1; \
56	echo "try:"; 2>&1; \
57	echo "";							\
58	echo "  apt-get install gcc-multilib libc6-i386 libc6-dev-i386"; \
59	echo "";							\
60	echo "If you are using a Fedora-like distribution, try:";	\
61	echo "";							\
62	echo "  yum install glibc-devel.*i686";				\
63	exit 0;
64endif
65
66# Some tests have additional dependencies.
67sysret_ss_attrs_64: thunks.S
68ptrace_syscall_32: raw_syscall_helper_32.S
69test_syscall_vdso_32: thunks_32.S
70
71# check_initial_reg_state is special: it needs a custom entry, and it
72# needs to be static so that its interpreter doesn't destroy its initial
73# state.
74check_initial_reg_state_32: CFLAGS += -Wl,-ereal_start -static
75check_initial_reg_state_64: CFLAGS += -Wl,-ereal_start -static
76