2023-08-30 17:31:07 +02:00
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# SPDX-License-Identifier: GPL-2.0
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all:
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include ../lib.mk
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.PHONY: all all_32 all_64 warn_32bit_failure clean
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UNAME_M := $(shell uname -m)
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CAN_BUILD_I386 := $(shell ./check_cc.sh "$(CC)" trivial_32bit_program.c -m32)
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CAN_BUILD_X86_64 := $(shell ./check_cc.sh "$(CC)" trivial_64bit_program.c)
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CAN_BUILD_WITH_NOPIE := $(shell ./check_cc.sh "$(CC)" trivial_program.c -no-pie)
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TARGETS_C_BOTHBITS := single_step_syscall sysret_ss_attrs syscall_nt test_mremap_vdso \
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check_initial_reg_state sigreturn iopl ioperm \
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test_vsyscall mov_ss_trap \
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syscall_arg_fault fsgsbase_restore sigaltstack
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TARGETS_C_32BIT_ONLY := entry_from_vm86 test_syscall_vdso unwind_vdso \
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test_FCMOV test_FCOMI test_FISTTP \
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vdso_restorer
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TARGETS_C_64BIT_ONLY := fsgsbase sysret_rip syscall_numbering \
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2023-10-24 12:59:35 +02:00
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corrupt_xstate_header amx lam
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2023-08-30 17:31:07 +02:00
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# Some selftests require 32bit support enabled also on 64bit systems
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TARGETS_C_32BIT_NEEDED := ldt_gdt ptrace_syscall
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TARGETS_C_32BIT_ALL := $(TARGETS_C_BOTHBITS) $(TARGETS_C_32BIT_ONLY) $(TARGETS_C_32BIT_NEEDED)
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TARGETS_C_64BIT_ALL := $(TARGETS_C_BOTHBITS) $(TARGETS_C_64BIT_ONLY)
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ifeq ($(CAN_BUILD_I386)$(CAN_BUILD_X86_64),11)
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TARGETS_C_64BIT_ALL += $(TARGETS_C_32BIT_NEEDED)
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endif
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BINARIES_32 := $(TARGETS_C_32BIT_ALL:%=%_32)
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BINARIES_64 := $(TARGETS_C_64BIT_ALL:%=%_64)
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BINARIES_32 := $(patsubst %,$(OUTPUT)/%,$(BINARIES_32))
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BINARIES_64 := $(patsubst %,$(OUTPUT)/%,$(BINARIES_64))
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CFLAGS := -O2 -g -std=gnu99 -pthread -Wall $(KHDR_INCLUDES)
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# call32_from_64 in thunks.S uses absolute addresses.
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ifeq ($(CAN_BUILD_WITH_NOPIE),1)
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CFLAGS += -no-pie
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endif
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define gen-target-rule-32
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$(1) $(1)_32: $(OUTPUT)/$(1)_32
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.PHONY: $(1) $(1)_32
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endef
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define gen-target-rule-64
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$(1) $(1)_64: $(OUTPUT)/$(1)_64
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.PHONY: $(1) $(1)_64
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endef
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ifeq ($(CAN_BUILD_I386),1)
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all: all_32
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TEST_PROGS += $(BINARIES_32)
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EXTRA_CFLAGS += -DCAN_BUILD_32
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$(foreach t,$(TARGETS_C_32BIT_ALL),$(eval $(call gen-target-rule-32,$(t))))
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endif
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ifeq ($(CAN_BUILD_X86_64),1)
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all: all_64
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TEST_PROGS += $(BINARIES_64)
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EXTRA_CFLAGS += -DCAN_BUILD_64
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$(foreach t,$(TARGETS_C_64BIT_ALL),$(eval $(call gen-target-rule-64,$(t))))
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endif
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all_32: $(BINARIES_32)
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all_64: $(BINARIES_64)
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EXTRA_CLEAN := $(BINARIES_32) $(BINARIES_64)
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$(BINARIES_32): $(OUTPUT)/%_32: %.c helpers.h
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$(CC) -m32 -o $@ $(CFLAGS) $(EXTRA_CFLAGS) $^ -lrt -ldl -lm
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$(BINARIES_64): $(OUTPUT)/%_64: %.c helpers.h
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$(CC) -m64 -o $@ $(CFLAGS) $(EXTRA_CFLAGS) $^ -lrt -ldl
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# x86_64 users should be encouraged to install 32-bit libraries
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ifeq ($(CAN_BUILD_I386)$(CAN_BUILD_X86_64),01)
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all: warn_32bit_failure
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warn_32bit_failure:
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@echo "Warning: you seem to have a broken 32-bit build" 2>&1; \
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echo "environment. This will reduce test coverage of 64-bit" 2>&1; \
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echo "kernels. If you are using a Debian-like distribution," 2>&1; \
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echo "try:"; 2>&1; \
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echo ""; \
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echo " apt-get install gcc-multilib libc6-i386 libc6-dev-i386"; \
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echo ""; \
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echo "If you are using a Fedora-like distribution, try:"; \
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echo ""; \
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echo " yum install glibc-devel.*i686"; \
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echo ""; \
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echo "If you are using a SUSE-like distribution, try:"; \
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echo ""; \
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echo " zypper install gcc-32bit glibc-devel-static-32bit"; \
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exit 0;
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endif
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# Some tests have additional dependencies.
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$(OUTPUT)/sysret_ss_attrs_64: thunks.S
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$(OUTPUT)/ptrace_syscall_32: raw_syscall_helper_32.S
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$(OUTPUT)/test_syscall_vdso_32: thunks_32.S
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# check_initial_reg_state is special: it needs a custom entry, and it
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# needs to be static so that its interpreter doesn't destroy its initial
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# state.
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$(OUTPUT)/check_initial_reg_state_32: CFLAGS += -Wl,-ereal_start -static
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$(OUTPUT)/check_initial_reg_state_64: CFLAGS += -Wl,-ereal_start -static
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