1*4882a593Smuzhiyun# SPDX-License-Identifier: GPL-2.0 2*4882a593Smuzhiyunall: 3*4882a593Smuzhiyun 4*4882a593Smuzhiyuninclude ../lib.mk 5*4882a593Smuzhiyun 6*4882a593Smuzhiyun.PHONY: all all_32 all_64 warn_32bit_failure clean 7*4882a593Smuzhiyun 8*4882a593SmuzhiyunUNAME_M := $(shell uname -m) 9*4882a593SmuzhiyunCAN_BUILD_I386 := $(shell ./check_cc.sh "$(CC)" trivial_32bit_program.c -m32) 10*4882a593SmuzhiyunCAN_BUILD_X86_64 := $(shell ./check_cc.sh "$(CC)" trivial_64bit_program.c) 11*4882a593SmuzhiyunCAN_BUILD_WITH_NOPIE := $(shell ./check_cc.sh "$(CC)" trivial_program.c -no-pie) 12*4882a593Smuzhiyun 13*4882a593SmuzhiyunTARGETS_C_BOTHBITS := single_step_syscall sysret_ss_attrs syscall_nt test_mremap_vdso \ 14*4882a593Smuzhiyun check_initial_reg_state sigreturn iopl ioperm \ 15*4882a593Smuzhiyun test_vdso test_vsyscall mov_ss_trap \ 16*4882a593Smuzhiyun syscall_arg_fault fsgsbase_restore 17*4882a593SmuzhiyunTARGETS_C_32BIT_ONLY := entry_from_vm86 test_syscall_vdso unwind_vdso \ 18*4882a593Smuzhiyun test_FCMOV test_FCOMI test_FISTTP \ 19*4882a593Smuzhiyun vdso_restorer 20*4882a593SmuzhiyunTARGETS_C_64BIT_ONLY := fsgsbase sysret_rip syscall_numbering 21*4882a593Smuzhiyun# Some selftests require 32bit support enabled also on 64bit systems 22*4882a593SmuzhiyunTARGETS_C_32BIT_NEEDED := ldt_gdt ptrace_syscall 23*4882a593Smuzhiyun 24*4882a593SmuzhiyunTARGETS_C_32BIT_ALL := $(TARGETS_C_BOTHBITS) $(TARGETS_C_32BIT_ONLY) $(TARGETS_C_32BIT_NEEDED) 25*4882a593SmuzhiyunTARGETS_C_64BIT_ALL := $(TARGETS_C_BOTHBITS) $(TARGETS_C_64BIT_ONLY) 26*4882a593Smuzhiyunifeq ($(CAN_BUILD_I386)$(CAN_BUILD_X86_64),11) 27*4882a593SmuzhiyunTARGETS_C_64BIT_ALL += $(TARGETS_C_32BIT_NEEDED) 28*4882a593Smuzhiyunendif 29*4882a593Smuzhiyun 30*4882a593SmuzhiyunBINARIES_32 := $(TARGETS_C_32BIT_ALL:%=%_32) 31*4882a593SmuzhiyunBINARIES_64 := $(TARGETS_C_64BIT_ALL:%=%_64) 32*4882a593Smuzhiyun 33*4882a593SmuzhiyunBINARIES_32 := $(patsubst %,$(OUTPUT)/%,$(BINARIES_32)) 34*4882a593SmuzhiyunBINARIES_64 := $(patsubst %,$(OUTPUT)/%,$(BINARIES_64)) 35*4882a593Smuzhiyun 36*4882a593SmuzhiyunCFLAGS := -O2 -g -std=gnu99 -pthread -Wall 37*4882a593Smuzhiyun 38*4882a593Smuzhiyun# call32_from_64 in thunks.S uses absolute addresses. 39*4882a593Smuzhiyunifeq ($(CAN_BUILD_WITH_NOPIE),1) 40*4882a593SmuzhiyunCFLAGS += -no-pie 41*4882a593Smuzhiyunendif 42*4882a593Smuzhiyun 43*4882a593Smuzhiyundefine gen-target-rule-32 44*4882a593Smuzhiyun$(1) $(1)_32: $(OUTPUT)/$(1)_32 45*4882a593Smuzhiyun.PHONY: $(1) $(1)_32 46*4882a593Smuzhiyunendef 47*4882a593Smuzhiyun 48*4882a593Smuzhiyundefine gen-target-rule-64 49*4882a593Smuzhiyun$(1) $(1)_64: $(OUTPUT)/$(1)_64 50*4882a593Smuzhiyun.PHONY: $(1) $(1)_64 51*4882a593Smuzhiyunendef 52*4882a593Smuzhiyun 53*4882a593Smuzhiyunifeq ($(CAN_BUILD_I386),1) 54*4882a593Smuzhiyunall: all_32 55*4882a593SmuzhiyunTEST_PROGS += $(BINARIES_32) 56*4882a593SmuzhiyunEXTRA_CFLAGS += -DCAN_BUILD_32 57*4882a593Smuzhiyun$(foreach t,$(TARGETS_C_32BIT_ALL),$(eval $(call gen-target-rule-32,$(t)))) 58*4882a593Smuzhiyunendif 59*4882a593Smuzhiyun 60*4882a593Smuzhiyunifeq ($(CAN_BUILD_X86_64),1) 61*4882a593Smuzhiyunall: all_64 62*4882a593SmuzhiyunTEST_PROGS += $(BINARIES_64) 63*4882a593SmuzhiyunEXTRA_CFLAGS += -DCAN_BUILD_64 64*4882a593Smuzhiyun$(foreach t,$(TARGETS_C_64BIT_ALL),$(eval $(call gen-target-rule-64,$(t)))) 65*4882a593Smuzhiyunendif 66*4882a593Smuzhiyun 67*4882a593Smuzhiyunall_32: $(BINARIES_32) 68*4882a593Smuzhiyun 69*4882a593Smuzhiyunall_64: $(BINARIES_64) 70*4882a593Smuzhiyun 71*4882a593SmuzhiyunEXTRA_CLEAN := $(BINARIES_32) $(BINARIES_64) 72*4882a593Smuzhiyun 73*4882a593Smuzhiyun$(BINARIES_32): $(OUTPUT)/%_32: %.c helpers.h 74*4882a593Smuzhiyun $(CC) -m32 -o $@ $(CFLAGS) $(EXTRA_CFLAGS) $^ -lrt -ldl -lm 75*4882a593Smuzhiyun 76*4882a593Smuzhiyun$(BINARIES_64): $(OUTPUT)/%_64: %.c helpers.h 77*4882a593Smuzhiyun $(CC) -m64 -o $@ $(CFLAGS) $(EXTRA_CFLAGS) $^ -lrt -ldl 78*4882a593Smuzhiyun 79*4882a593Smuzhiyun# x86_64 users should be encouraged to install 32-bit libraries 80*4882a593Smuzhiyunifeq ($(CAN_BUILD_I386)$(CAN_BUILD_X86_64),01) 81*4882a593Smuzhiyunall: warn_32bit_failure 82*4882a593Smuzhiyun 83*4882a593Smuzhiyunwarn_32bit_failure: 84*4882a593Smuzhiyun @echo "Warning: you seem to have a broken 32-bit build" 2>&1; \ 85*4882a593Smuzhiyun echo "environment. This will reduce test coverage of 64-bit" 2>&1; \ 86*4882a593Smuzhiyun echo "kernels. If you are using a Debian-like distribution," 2>&1; \ 87*4882a593Smuzhiyun echo "try:"; 2>&1; \ 88*4882a593Smuzhiyun echo ""; \ 89*4882a593Smuzhiyun echo " apt-get install gcc-multilib libc6-i386 libc6-dev-i386"; \ 90*4882a593Smuzhiyun echo ""; \ 91*4882a593Smuzhiyun echo "If you are using a Fedora-like distribution, try:"; \ 92*4882a593Smuzhiyun echo ""; \ 93*4882a593Smuzhiyun echo " yum install glibc-devel.*i686"; \ 94*4882a593Smuzhiyun exit 0; 95*4882a593Smuzhiyunendif 96*4882a593Smuzhiyun 97*4882a593Smuzhiyun# Some tests have additional dependencies. 98*4882a593Smuzhiyun$(OUTPUT)/sysret_ss_attrs_64: thunks.S 99*4882a593Smuzhiyun$(OUTPUT)/ptrace_syscall_32: raw_syscall_helper_32.S 100*4882a593Smuzhiyun$(OUTPUT)/test_syscall_vdso_32: thunks_32.S 101*4882a593Smuzhiyun 102*4882a593Smuzhiyun# check_initial_reg_state is special: it needs a custom entry, and it 103*4882a593Smuzhiyun# needs to be static so that its interpreter doesn't destroy its initial 104*4882a593Smuzhiyun# state. 105*4882a593Smuzhiyun$(OUTPUT)/check_initial_reg_state_32: CFLAGS += -Wl,-ereal_start -static 106*4882a593Smuzhiyun$(OUTPUT)/check_initial_reg_state_64: CFLAGS += -Wl,-ereal_start -static 107