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 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
  43clean:
  44        $(RM) $(BINARIES_32) $(BINARIES_64)
  45
  46$(BINARIES_32): $(OUTPUT)/%_32: %.c
  47        $(CC) -m32 -o $@ $(CFLAGS) $(EXTRA_CFLAGS) $^ -lrt -ldl -lm
  48
  49$(BINARIES_64): $(OUTPUT)/%_64: %.c
  50        $(CC) -m64 -o $@ $(CFLAGS) $(EXTRA_CFLAGS) $^ -lrt -ldl
  51
  52# x86_64 users should be encouraged to install 32-bit libraries
  53ifeq ($(CAN_BUILD_I386)$(CAN_BUILD_X86_64),01)
  54all: warn_32bit_failure
  55
  56warn_32bit_failure:
  57        @echo "Warning: you seem to have a broken 32-bit build" 2>&1;   \
  58        echo "environment.  This will reduce test coverage of 64-bit" 2>&1; \
  59        echo "kernels.  If you are using a Debian-like distribution," 2>&1; \
  60        echo "try:"; 2>&1; \
  61        echo "";                                                        \
  62        echo "  apt-get install gcc-multilib libc6-i386 libc6-dev-i386"; \
  63        echo "";                                                        \
  64        echo "If you are using a Fedora-like distribution, try:";       \
  65        echo "";                                                        \
  66        echo "  yum install glibc-devel.*i686";                         \
  67        exit 0;
  68endif
  69
  70# Some tests have additional dependencies.
  71$(OUTPUT)/sysret_ss_attrs_64: thunks.S
  72$(OUTPUT)/ptrace_syscall_32: raw_syscall_helper_32.S
  73$(OUTPUT)/test_syscall_vdso_32: thunks_32.S
  74
  75# check_initial_reg_state is special: it needs a custom entry, and it
  76# needs to be static so that its interpreter doesn't destroy its initial
  77# state.
  78$(OUTPUT)/check_initial_reg_state_32: CFLAGS += -Wl,-ereal_start -static
  79$(OUTPUT)/check_initial_reg_state_64: CFLAGS += -Wl,-ereal_start -static
  80