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 test_mremap_vdso \
8			check_initial_reg_state sigreturn ldt_gdt iopl mpx-mini-test ioperm \
9			protection_keys test_vdso
10TARGETS_C_32BIT_ONLY := entry_from_vm86 syscall_arg_fault test_syscall_vdso unwind_vdso \
11			test_FCMOV test_FCOMI test_FISTTP \
12			vdso_restorer
13TARGETS_C_64BIT_ONLY := fsgsbase sysret_rip
14
15TARGETS_C_32BIT_ALL := $(TARGETS_C_BOTHBITS) $(TARGETS_C_32BIT_ONLY)
16TARGETS_C_64BIT_ALL := $(TARGETS_C_BOTHBITS) $(TARGETS_C_64BIT_ONLY)
17BINARIES_32 := $(TARGETS_C_32BIT_ALL:%=%_32)
18BINARIES_64 := $(TARGETS_C_64BIT_ALL:%=%_64)
19
20BINARIES_32 := $(patsubst %,$(OUTPUT)/%,$(BINARIES_32))
21BINARIES_64 := $(patsubst %,$(OUTPUT)/%,$(BINARIES_64))
22
23CFLAGS := -O2 -g -std=gnu99 -pthread -Wall
24
25UNAME_M := $(shell uname -m)
26CAN_BUILD_I386 := $(shell ./check_cc.sh $(CC) trivial_32bit_program.c -m32)
27CAN_BUILD_X86_64 := $(shell ./check_cc.sh $(CC) trivial_64bit_program.c)
28
29ifeq ($(CAN_BUILD_I386),1)
30all: all_32
31TEST_PROGS += $(BINARIES_32)
32endif
33
34ifeq ($(CAN_BUILD_X86_64),1)
35all: all_64
36TEST_PROGS += $(BINARIES_64)
37endif
38
39all_32: $(BINARIES_32)
40
41all_64: $(BINARIES_64)
42
43EXTRA_CLEAN := $(BINARIES_32) $(BINARIES_64)
44
45$(BINARIES_32): $(OUTPUT)/%_32: %.c
46	$(CC) -m32 -o $@ $(CFLAGS) $(EXTRA_CFLAGS) $^ -lrt -ldl -lm
47
48$(BINARIES_64): $(OUTPUT)/%_64: %.c
49	$(CC) -m64 -o $@ $(CFLAGS) $(EXTRA_CFLAGS) $^ -lrt -ldl
50
51# x86_64 users should be encouraged to install 32-bit libraries
52ifeq ($(CAN_BUILD_I386)$(CAN_BUILD_X86_64),01)
53all: warn_32bit_failure
54
55warn_32bit_failure:
56	@echo "Warning: you seem to have a broken 32-bit build" 2>&1; 	\
57	echo "environment.  This will reduce test coverage of 64-bit" 2>&1; \
58	echo "kernels.  If you are using a Debian-like distribution," 2>&1; \
59	echo "try:"; 2>&1; \
60	echo "";							\
61	echo "  apt-get install gcc-multilib libc6-i386 libc6-dev-i386"; \
62	echo "";							\
63	echo "If you are using a Fedora-like distribution, try:";	\
64	echo "";							\
65	echo "  yum install glibc-devel.*i686";				\
66	exit 0;
67endif
68
69# Some tests have additional dependencies.
70$(OUTPUT)/sysret_ss_attrs_64: thunks.S
71$(OUTPUT)/ptrace_syscall_32: raw_syscall_helper_32.S
72$(OUTPUT)/test_syscall_vdso_32: thunks_32.S
73
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
76# state.
77$(OUTPUT)/check_initial_reg_state_32: CFLAGS += -Wl,-ereal_start -static
78$(OUTPUT)/check_initial_reg_state_64: CFLAGS += -Wl,-ereal_start -static
79