tools/testing/selftests/x86/Makefile

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