LXR linux/tools/testing/selftests/x86/Makefile

   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