| # SPDX-License-Identifier: GPL-2.0 |
| all: |
| |
| include ../lib.mk |
| |
| .PHONY: all all_32 all_64 warn_32bit_failure clean |
| |
| UNAME_M := $(shell uname -m) |
| CAN_BUILD_I386 := $(shell ./check_cc.sh "$(CC)" trivial_32bit_program.c -m32) |
| CAN_BUILD_X86_64 := $(shell ./check_cc.sh "$(CC)" trivial_64bit_program.c) |
| CAN_BUILD_WITH_NOPIE := $(shell ./check_cc.sh "$(CC)" trivial_program.c -no-pie) |
| |
| TARGETS_C_BOTHBITS := single_step_syscall sysret_ss_attrs syscall_nt test_mremap_vdso \ |
| check_initial_reg_state sigreturn iopl ioperm \ |
| test_vsyscall mov_ss_trap \ |
| syscall_arg_fault fsgsbase_restore sigaltstack |
| TARGETS_C_32BIT_ONLY := entry_from_vm86 test_syscall_vdso unwind_vdso \ |
| test_FCMOV test_FCOMI test_FISTTP \ |
| vdso_restorer |
| TARGETS_C_64BIT_ONLY := fsgsbase sysret_rip syscall_numbering \ |
| corrupt_xstate_header amx |
| # Some selftests require 32bit support enabled also on 64bit systems |
| TARGETS_C_32BIT_NEEDED := ldt_gdt ptrace_syscall |
| |
| TARGETS_C_32BIT_ALL := $(TARGETS_C_BOTHBITS) $(TARGETS_C_32BIT_ONLY) $(TARGETS_C_32BIT_NEEDED) |
| TARGETS_C_64BIT_ALL := $(TARGETS_C_BOTHBITS) $(TARGETS_C_64BIT_ONLY) |
| ifeq ($(CAN_BUILD_I386)$(CAN_BUILD_X86_64),11) |
| TARGETS_C_64BIT_ALL += $(TARGETS_C_32BIT_NEEDED) |
| endif |
| |
| BINARIES_32 := $(TARGETS_C_32BIT_ALL:%=%_32) |
| BINARIES_64 := $(TARGETS_C_64BIT_ALL:%=%_64) |
| |
| BINARIES_32 := $(patsubst %,$(OUTPUT)/%,$(BINARIES_32)) |
| BINARIES_64 := $(patsubst %,$(OUTPUT)/%,$(BINARIES_64)) |
| |
| CFLAGS := -O2 -g -std=gnu99 -pthread -Wall |
| |
| # call32_from_64 in thunks.S uses absolute addresses. |
| ifeq ($(CAN_BUILD_WITH_NOPIE),1) |
| CFLAGS += -no-pie |
| endif |
| |
| define gen-target-rule-32 |
| $(1) $(1)_32: $(OUTPUT)/$(1)_32 |
| .PHONY: $(1) $(1)_32 |
| endef |
| |
| define gen-target-rule-64 |
| $(1) $(1)_64: $(OUTPUT)/$(1)_64 |
| .PHONY: $(1) $(1)_64 |
| endef |
| |
| ifeq ($(CAN_BUILD_I386),1) |
| all: all_32 |
| TEST_PROGS += $(BINARIES_32) |
| EXTRA_CFLAGS += -DCAN_BUILD_32 |
| $(foreach t,$(TARGETS_C_32BIT_ALL),$(eval $(call gen-target-rule-32,$(t)))) |
| endif |
| |
| ifeq ($(CAN_BUILD_X86_64),1) |
| all: all_64 |
| TEST_PROGS += $(BINARIES_64) |
| EXTRA_CFLAGS += -DCAN_BUILD_64 |
| $(foreach t,$(TARGETS_C_64BIT_ALL),$(eval $(call gen-target-rule-64,$(t)))) |
| endif |
| |
| all_32: $(BINARIES_32) |
| |
| all_64: $(BINARIES_64) |
| |
| EXTRA_CLEAN := $(BINARIES_32) $(BINARIES_64) |
| |
| $(BINARIES_32): $(OUTPUT)/%_32: %.c helpers.h |
| $(CC) -m32 -o $@ $(CFLAGS) $(EXTRA_CFLAGS) $^ -lrt -ldl -lm |
| |
| $(BINARIES_64): $(OUTPUT)/%_64: %.c helpers.h |
| $(CC) -m64 -o $@ $(CFLAGS) $(EXTRA_CFLAGS) $^ -lrt -ldl |
| |
| # x86_64 users should be encouraged to install 32-bit libraries |
| ifeq ($(CAN_BUILD_I386)$(CAN_BUILD_X86_64),01) |
| all: warn_32bit_failure |
| |
| warn_32bit_failure: |
| @echo "Warning: you seem to have a broken 32-bit build" 2>&1; \ |
| echo "environment. This will reduce test coverage of 64-bit" 2>&1; \ |
| echo "kernels. If you are using a Debian-like distribution," 2>&1; \ |
| echo "try:"; 2>&1; \ |
| echo ""; \ |
| echo " apt-get install gcc-multilib libc6-i386 libc6-dev-i386"; \ |
| echo ""; \ |
| echo "If you are using a Fedora-like distribution, try:"; \ |
| echo ""; \ |
| echo " yum install glibc-devel.*i686"; \ |
| exit 0; |
| endif |
| |
| # Some tests have additional dependencies. |
| $(OUTPUT)/sysret_ss_attrs_64: thunks.S |
| $(OUTPUT)/ptrace_syscall_32: raw_syscall_helper_32.S |
| $(OUTPUT)/test_syscall_vdso_32: thunks_32.S |
| |
| # check_initial_reg_state is special: it needs a custom entry, and it |
| # needs to be static so that its interpreter doesn't destroy its initial |
| # state. |
| $(OUTPUT)/check_initial_reg_state_32: CFLAGS += -Wl,-ereal_start -static |
| $(OUTPUT)/check_initial_reg_state_64: CFLAGS += -Wl,-ereal_start -static |