forked from luck/tmp_suning_uos_patched
0dd3a6945f
Some toolchains need -no-pie to build all tests, others do not support
the -no-pie flag at all. Therefore, add another test for the
availability of the flag.
This amends commit 3346a6a4e5
("selftests: x86: sysret_ss_attrs doesn't build on a PIE build").
Signed-off-by: Florian Weimer <fweimer@redhat.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Tested-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Shuah Khan (Samsung OSG) <shuah@kernel.org>
106 lines
3.4 KiB
Makefile
106 lines
3.4 KiB
Makefile
# 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 mpx-mini-test ioperm \
|
|
protection_keys test_vdso test_vsyscall mov_ss_trap
|
|
TARGETS_C_32BIT_ONLY := entry_from_vm86 syscall_arg_fault test_syscall_vdso unwind_vdso \
|
|
test_FCMOV test_FCOMI test_FISTTP \
|
|
vdso_restorer
|
|
TARGETS_C_64BIT_ONLY := fsgsbase sysret_rip
|
|
# 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
|
|
$(CC) -m32 -o $@ $(CFLAGS) $(EXTRA_CFLAGS) $^ -lrt -ldl -lm
|
|
|
|
$(BINARIES_64): $(OUTPUT)/%_64: %.c
|
|
$(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
|