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