1 # SPDX-License-Identifier: GPL-2.0 <<
2 all: 1 all:
3 2
4 include ../lib.mk 3 include ../lib.mk
5 4
6 .PHONY: all all_32 all_64 warn_32bit_failure c 5 .PHONY: all all_32 all_64 warn_32bit_failure clean
7 6
8 UNAME_M := $(shell uname -m) !! 7 TARGETS_C_BOTHBITS := single_step_syscall sysret_ss_attrs ldt_gdt syscall_nt ptrace_syscall \
9 CAN_BUILD_I386 := $(shell ./check_cc.sh "$(CC) !! 8 test_vsyscall
10 CAN_BUILD_X86_64 := $(shell ./check_cc.sh "$(C !! 9 TARGETS_C_32BIT_ONLY := entry_from_vm86 syscall_arg_fault sigreturn test_syscall_vdso unwind_vdso \
11 CAN_BUILD_WITH_NOPIE := $(shell ./check_cc.sh !! 10 test_FCMOV test_FCOMI test_FISTTP
12 <<
13 TARGETS_C_BOTHBITS := single_step_syscall sysr <<
14 check_initial_reg_stat <<
15 test_vsyscall mov_ss_t <<
16 syscall_arg_fault fsgs <<
17 TARGETS_C_BOTHBITS += nx_stack <<
18 TARGETS_C_32BIT_ONLY := entry_from_vm86 test_s <<
19 test_FCMOV test_FCOMI <<
20 vdso_restorer <<
21 TARGETS_C_64BIT_ONLY := fsgsbase sysret_rip sy <<
22 corrupt_xstate_header <<
23 # Some selftests require 32bit support enabled <<
24 TARGETS_C_32BIT_NEEDED := ldt_gdt ptrace_sysca <<
25 <<
26 TARGETS_C_32BIT_ALL := $(TARGETS_C_BOTHBITS) $ <<
27 TARGETS_C_64BIT_ALL := $(TARGETS_C_BOTHBITS) $ <<
28 ifeq ($(CAN_BUILD_I386)$(CAN_BUILD_X86_64),11) <<
29 TARGETS_C_64BIT_ALL += $(TARGETS_C_32BIT_NEEDE <<
30 endif <<
31 11
>> 12 TARGETS_C_32BIT_ALL := $(TARGETS_C_BOTHBITS) $(TARGETS_C_32BIT_ONLY)
32 BINARIES_32 := $(TARGETS_C_32BIT_ALL:%=%_32) 13 BINARIES_32 := $(TARGETS_C_32BIT_ALL:%=%_32)
33 BINARIES_64 := $(TARGETS_C_64BIT_ALL:%=%_64) !! 14 BINARIES_64 := $(TARGETS_C_BOTHBITS:%=%_64)
34 <<
35 BINARIES_32 := $(patsubst %,$(OUTPUT)/%,$(BINA <<
36 BINARIES_64 := $(patsubst %,$(OUTPUT)/%,$(BINA <<
37 15
38 CFLAGS := -O2 -g -std=gnu99 -pthread -Wall $(K !! 16 CFLAGS := -O2 -g -std=gnu99 -pthread -Wall
39 <<
40 # call32_from_64 in thunks.S uses absolute add <<
41 ifeq ($(CAN_BUILD_WITH_NOPIE),1) <<
42 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 <<
51 17
52 define gen-target-rule-32 !! 18 UNAME_M := $(shell uname -m)
53 $(1) $(1)_32: $(OUTPUT)/$(1)_32 !! 19 CAN_BUILD_I386 := $(shell ./check_cc.sh $(CC) trivial_32bit_program.c -m32)
54 .PHONY: $(1) $(1)_32 !! 20 CAN_BUILD_X86_64 := $(shell ./check_cc.sh $(CC) trivial_64bit_program.c)
55 endef <<
56 <<
57 define gen-target-rule-64 <<
58 $(1) $(1)_64: $(OUTPUT)/$(1)_64 <<
59 .PHONY: $(1) $(1)_64 <<
60 endef <<
61 21
62 ifeq ($(CAN_BUILD_I386),1) 22 ifeq ($(CAN_BUILD_I386),1)
63 all: all_32 23 all: all_32
64 TEST_PROGS += $(BINARIES_32) 24 TEST_PROGS += $(BINARIES_32)
65 EXTRA_CFLAGS += -DCAN_BUILD_32 <<
66 $(foreach t,$(TARGETS_C_32BIT_ALL),$(eval $(ca <<
67 endif 25 endif
68 26
69 ifeq ($(CAN_BUILD_X86_64),1) 27 ifeq ($(CAN_BUILD_X86_64),1)
70 all: all_64 28 all: all_64
71 TEST_PROGS += $(BINARIES_64) 29 TEST_PROGS += $(BINARIES_64)
72 EXTRA_CFLAGS += -DCAN_BUILD_64 <<
73 $(foreach t,$(TARGETS_C_64BIT_ALL),$(eval $(ca <<
74 endif 30 endif
75 31
76 all_32: $(BINARIES_32) 32 all_32: $(BINARIES_32)
77 33
78 all_64: $(BINARIES_64) 34 all_64: $(BINARIES_64)
79 35
80 EXTRA_CLEAN := $(BINARIES_32) $(BINARIES_64) s !! 36 clean:
>> 37 $(RM) $(BINARIES_32) $(BINARIES_64)
81 38
82 $(BINARIES_32): $(OUTPUT)/%_32: %.c helpers.h !! 39 $(TARGETS_C_32BIT_ALL:%=%_32): %_32: %.c
83 $(CC) -m32 -o $@ $(CFLAGS) $(EXTRA_CFL !! 40 $(CC) -m32 -o $@ $(CFLAGS) $(EXTRA_CFLAGS) $^ -lrt -ldl -lm
84 41
85 $(BINARIES_64): $(OUTPUT)/%_64: %.c helpers.h !! 42 $(TARGETS_C_BOTHBITS:%=%_64): %_64: %.c
86 $(CC) -m64 -o $@ $(CFLAGS) $(EXTRA_CFL !! 43 $(CC) -m64 -o $@ $(CFLAGS) $(EXTRA_CFLAGS) $^ -lrt -ldl
87 44
88 # x86_64 users should be encouraged to install 45 # x86_64 users should be encouraged to install 32-bit libraries
89 ifeq ($(CAN_BUILD_I386)$(CAN_BUILD_X86_64),01) 46 ifeq ($(CAN_BUILD_I386)$(CAN_BUILD_X86_64),01)
90 all: warn_32bit_failure 47 all: warn_32bit_failure
91 48
92 warn_32bit_failure: 49 warn_32bit_failure:
93 @echo "Warning: you seem to have a bro 50 @echo "Warning: you seem to have a broken 32-bit build" 2>&1; \
94 echo "environment. This will reduce t 51 echo "environment. This will reduce test coverage of 64-bit" 2>&1; \
95 echo "kernels. If you are using a Deb 52 echo "kernels. If you are using a Debian-like distribution," 2>&1; \
96 echo "try:"; 2>&1; \ 53 echo "try:"; 2>&1; \
97 echo ""; 54 echo ""; \
98 echo " apt-get install gcc-multilib l 55 echo " apt-get install gcc-multilib libc6-i386 libc6-dev-i386"; \
99 echo ""; 56 echo ""; \
100 echo "If you are using a Fedora-like d 57 echo "If you are using a Fedora-like distribution, try:"; \
101 echo ""; 58 echo ""; \
102 echo " yum install glibc-devel.*i686" 59 echo " yum install glibc-devel.*i686"; \
103 echo ""; <<
104 echo "If you are using a SUSE-like dis <<
105 echo ""; <<
106 echo " zypper install gcc-32bit glibc <<
107 exit 0; 60 exit 0;
108 endif 61 endif
109 62
110 # Add an additional file to the source file li !! 63 # Some tests have additional dependencies.
111 # add a Makefile dependency on that same file. !! 64 sysret_ss_attrs_64: thunks.S
112 # that the compiler invocation ("$(CC) file1.c !! 65 ptrace_syscall_32: raw_syscall_helper_32.S
113 # the dependencies ("header3.h"), because clan !! 66 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 <<
127 # check_initial_reg_state is special: it needs <<
128 # needs to be static so that its interpreter d <<
129 # state. <<
130 $(OUTPUT)/check_initial_reg_state_32: CFLAGS + <<
131 $(OUTPUT)/check_initial_reg_state_64: CFLAGS + <<
132 <<
133 $(OUTPUT)/nx_stack_32: CFLAGS += -Wl,-z,noexec <<
134 $(OUTPUT)/nx_stack_64: CFLAGS += -Wl,-z,noexec <<
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