1 # SPDX-License-Identifier: GPL-2.0 1 # SPDX-License-Identifier: GPL-2.0
2 all: 2 all:
3 3
4 include ../lib.mk 4 include ../lib.mk
5 5
6 .PHONY: all all_32 all_64 warn_32bit_failure c 6 .PHONY: all all_32 all_64 warn_32bit_failure clean
7 7
8 UNAME_M := $(shell uname -m) 8 UNAME_M := $(shell uname -m)
9 CAN_BUILD_I386 := $(shell ./check_cc.sh "$(CC) !! 9 CAN_BUILD_I386 := $(shell ./check_cc.sh $(CC) trivial_32bit_program.c -m32)
10 CAN_BUILD_X86_64 := $(shell ./check_cc.sh "$(C !! 10 CAN_BUILD_X86_64 := $(shell ./check_cc.sh $(CC) trivial_64bit_program.c)
11 CAN_BUILD_WITH_NOPIE := $(shell ./check_cc.sh !! 11 CAN_BUILD_WITH_NOPIE := $(shell ./check_cc.sh $(CC) trivial_program.c -no-pie)
12 12
13 TARGETS_C_BOTHBITS := single_step_syscall sysr 13 TARGETS_C_BOTHBITS := single_step_syscall sysret_ss_attrs syscall_nt test_mremap_vdso \
14 check_initial_reg_stat 14 check_initial_reg_state sigreturn iopl ioperm \
15 test_vsyscall mov_ss_t 15 test_vsyscall mov_ss_trap \
16 syscall_arg_fault fsgs !! 16 syscall_arg_fault fsgsbase_restore
17 TARGETS_C_BOTHBITS += nx_stack <<
18 TARGETS_C_32BIT_ONLY := entry_from_vm86 test_s 17 TARGETS_C_32BIT_ONLY := entry_from_vm86 test_syscall_vdso unwind_vdso \
19 test_FCMOV test_FCOMI 18 test_FCMOV test_FCOMI test_FISTTP \
20 vdso_restorer 19 vdso_restorer
21 TARGETS_C_64BIT_ONLY := fsgsbase sysret_rip sy !! 20 TARGETS_C_64BIT_ONLY := fsgsbase sysret_rip syscall_numbering
22 corrupt_xstate_header <<
23 # Some selftests require 32bit support enabled 21 # Some selftests require 32bit support enabled also on 64bit systems
24 TARGETS_C_32BIT_NEEDED := ldt_gdt ptrace_sysca 22 TARGETS_C_32BIT_NEEDED := ldt_gdt ptrace_syscall
25 23
26 TARGETS_C_32BIT_ALL := $(TARGETS_C_BOTHBITS) $ 24 TARGETS_C_32BIT_ALL := $(TARGETS_C_BOTHBITS) $(TARGETS_C_32BIT_ONLY) $(TARGETS_C_32BIT_NEEDED)
27 TARGETS_C_64BIT_ALL := $(TARGETS_C_BOTHBITS) $ 25 TARGETS_C_64BIT_ALL := $(TARGETS_C_BOTHBITS) $(TARGETS_C_64BIT_ONLY)
28 ifeq ($(CAN_BUILD_I386)$(CAN_BUILD_X86_64),11) 26 ifeq ($(CAN_BUILD_I386)$(CAN_BUILD_X86_64),11)
29 TARGETS_C_64BIT_ALL += $(TARGETS_C_32BIT_NEEDE 27 TARGETS_C_64BIT_ALL += $(TARGETS_C_32BIT_NEEDED)
30 endif 28 endif
31 29
32 BINARIES_32 := $(TARGETS_C_32BIT_ALL:%=%_32) 30 BINARIES_32 := $(TARGETS_C_32BIT_ALL:%=%_32)
33 BINARIES_64 := $(TARGETS_C_64BIT_ALL:%=%_64) 31 BINARIES_64 := $(TARGETS_C_64BIT_ALL:%=%_64)
34 32
35 BINARIES_32 := $(patsubst %,$(OUTPUT)/%,$(BINA 33 BINARIES_32 := $(patsubst %,$(OUTPUT)/%,$(BINARIES_32))
36 BINARIES_64 := $(patsubst %,$(OUTPUT)/%,$(BINA 34 BINARIES_64 := $(patsubst %,$(OUTPUT)/%,$(BINARIES_64))
37 35
38 CFLAGS := -O2 -g -std=gnu99 -pthread -Wall $(K !! 36 CFLAGS := -O2 -g -std=gnu99 -pthread -Wall
39 37
40 # call32_from_64 in thunks.S uses absolute add 38 # call32_from_64 in thunks.S uses absolute addresses.
41 ifeq ($(CAN_BUILD_WITH_NOPIE),1) 39 ifeq ($(CAN_BUILD_WITH_NOPIE),1)
42 CFLAGS += -no-pie 40 CFLAGS += -no-pie
43 <<
44 ifneq ($(LLVM),) <<
45 # clang only wants to see -no-pie during linki <<
46 # linking stage, so a compiler warning is unav <<
47 # restructuring the Makefile. Avoid this by si <<
48 CFLAGS += -Wno-unused-command-line-argument <<
49 endif <<
50 endif 41 endif
51 42
52 define gen-target-rule-32 43 define gen-target-rule-32
53 $(1) $(1)_32: $(OUTPUT)/$(1)_32 44 $(1) $(1)_32: $(OUTPUT)/$(1)_32
54 .PHONY: $(1) $(1)_32 45 .PHONY: $(1) $(1)_32
55 endef 46 endef
56 47
57 define gen-target-rule-64 48 define gen-target-rule-64
58 $(1) $(1)_64: $(OUTPUT)/$(1)_64 49 $(1) $(1)_64: $(OUTPUT)/$(1)_64
59 .PHONY: $(1) $(1)_64 50 .PHONY: $(1) $(1)_64
60 endef 51 endef
61 52
62 ifeq ($(CAN_BUILD_I386),1) 53 ifeq ($(CAN_BUILD_I386),1)
63 all: all_32 54 all: all_32
64 TEST_PROGS += $(BINARIES_32) 55 TEST_PROGS += $(BINARIES_32)
65 EXTRA_CFLAGS += -DCAN_BUILD_32 56 EXTRA_CFLAGS += -DCAN_BUILD_32
66 $(foreach t,$(TARGETS_C_32BIT_ALL),$(eval $(ca 57 $(foreach t,$(TARGETS_C_32BIT_ALL),$(eval $(call gen-target-rule-32,$(t))))
67 endif 58 endif
68 59
69 ifeq ($(CAN_BUILD_X86_64),1) 60 ifeq ($(CAN_BUILD_X86_64),1)
70 all: all_64 61 all: all_64
71 TEST_PROGS += $(BINARIES_64) 62 TEST_PROGS += $(BINARIES_64)
72 EXTRA_CFLAGS += -DCAN_BUILD_64 63 EXTRA_CFLAGS += -DCAN_BUILD_64
73 $(foreach t,$(TARGETS_C_64BIT_ALL),$(eval $(ca 64 $(foreach t,$(TARGETS_C_64BIT_ALL),$(eval $(call gen-target-rule-64,$(t))))
74 endif 65 endif
75 66
76 all_32: $(BINARIES_32) 67 all_32: $(BINARIES_32)
77 68
78 all_64: $(BINARIES_64) 69 all_64: $(BINARIES_64)
79 70
80 EXTRA_CLEAN := $(BINARIES_32) $(BINARIES_64) s !! 71 EXTRA_CLEAN := $(BINARIES_32) $(BINARIES_64)
81 72
82 $(BINARIES_32): $(OUTPUT)/%_32: %.c helpers.h 73 $(BINARIES_32): $(OUTPUT)/%_32: %.c helpers.h
83 $(CC) -m32 -o $@ $(CFLAGS) $(EXTRA_CFL !! 74 $(CC) -m32 -o $@ $(CFLAGS) $(EXTRA_CFLAGS) $^ -lrt -ldl -lm
84 75
85 $(BINARIES_64): $(OUTPUT)/%_64: %.c helpers.h 76 $(BINARIES_64): $(OUTPUT)/%_64: %.c helpers.h
86 $(CC) -m64 -o $@ $(CFLAGS) $(EXTRA_CFL !! 77 $(CC) -m64 -o $@ $(CFLAGS) $(EXTRA_CFLAGS) $^ -lrt -ldl
87 78
88 # x86_64 users should be encouraged to install 79 # x86_64 users should be encouraged to install 32-bit libraries
89 ifeq ($(CAN_BUILD_I386)$(CAN_BUILD_X86_64),01) 80 ifeq ($(CAN_BUILD_I386)$(CAN_BUILD_X86_64),01)
90 all: warn_32bit_failure 81 all: warn_32bit_failure
91 82
92 warn_32bit_failure: 83 warn_32bit_failure:
93 @echo "Warning: you seem to have a bro 84 @echo "Warning: you seem to have a broken 32-bit build" 2>&1; \
94 echo "environment. This will reduce t 85 echo "environment. This will reduce test coverage of 64-bit" 2>&1; \
95 echo "kernels. If you are using a Deb 86 echo "kernels. If you are using a Debian-like distribution," 2>&1; \
96 echo "try:"; 2>&1; \ 87 echo "try:"; 2>&1; \
97 echo ""; 88 echo ""; \
98 echo " apt-get install gcc-multilib l 89 echo " apt-get install gcc-multilib libc6-i386 libc6-dev-i386"; \
99 echo ""; 90 echo ""; \
100 echo "If you are using a Fedora-like d 91 echo "If you are using a Fedora-like distribution, try:"; \
101 echo ""; 92 echo ""; \
102 echo " yum install glibc-devel.*i686" 93 echo " yum install glibc-devel.*i686"; \
103 echo ""; <<
104 echo "If you are using a SUSE-like dis <<
105 echo ""; <<
106 echo " zypper install gcc-32bit glibc <<
107 exit 0; 94 exit 0;
108 endif 95 endif
109 96
110 # Add an additional file to the source file li !! 97 # Some tests have additional dependencies.
111 # add a Makefile dependency on that same file. !! 98 $(OUTPUT)/sysret_ss_attrs_64: thunks.S
112 # that the compiler invocation ("$(CC) file1.c !! 99 $(OUTPUT)/ptrace_syscall_32: raw_syscall_helper_32.S
113 # the dependencies ("header3.h"), because clan !! 100 $(OUTPUT)/test_syscall_vdso_32: thunks_32.S
114 # header files as an input to the compiler inv <<
115 define extra-files <<
116 $(OUTPUT)/$(1): EXTRA_FILES := $(2) <<
117 $(OUTPUT)/$(1): $(2) <<
118 endef <<
119 <<
120 $(eval $(call extra-files,sysret_ss_attrs_64,t <<
121 $(eval $(call extra-files,ptrace_syscall_32,ra <<
122 $(eval $(call extra-files,test_syscall_vdso_32 <<
123 $(eval $(call extra-files,fsgsbase_restore_64, <<
124 $(eval $(call extra-files,fsgsbase_restore_32, <<
125 $(eval $(call extra-files,sysret_rip_64,clang_ <<
126 101
127 # check_initial_reg_state is special: it needs 102 # check_initial_reg_state is special: it needs a custom entry, and it
128 # needs to be static so that its interpreter d 103 # needs to be static so that its interpreter doesn't destroy its initial
129 # state. 104 # state.
130 $(OUTPUT)/check_initial_reg_state_32: CFLAGS + 105 $(OUTPUT)/check_initial_reg_state_32: CFLAGS += -Wl,-ereal_start -static
131 $(OUTPUT)/check_initial_reg_state_64: CFLAGS + 106 $(OUTPUT)/check_initial_reg_state_64: CFLAGS += -Wl,-ereal_start -static
132 <<
133 $(OUTPUT)/nx_stack_32: CFLAGS += -Wl,-z,noexec <<
134 $(OUTPUT)/nx_stack_64: CFLAGS += -Wl,-z,noexec <<
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