blob: 9ef599fa1d1b47c9c6983466dc29b003a92aa55c (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
|
set(LIBC_SOURCES
arpa/inet.cpp
assert.cpp
complex.cpp
ctype.cpp
cxxabi.cpp
dirent.cpp
dlfcn.cpp
fcntl.cpp
fenv.cpp
fnmatch.cpp
ifaddrs.cpp
getopt.cpp
getsubopt.cpp
glob.cpp
grp.cpp
inttypes.cpp
ioctl.cpp
langinfo.cpp
libcinit.cpp
libgen.cpp
link.cpp
locale.cpp
malloc.cpp
math.cpp
mntent.cpp
net.cpp
netdb.cpp
poll.cpp
priority.cpp
pthread.cpp
pthread_cond.cpp
pthread_integration.cpp
pthread_once.cpp
pthread_tls.cpp
pty.cpp
pwd.cpp
qsort.cpp
regex.cpp
resolv.cpp
scanf.cpp
sched.cpp
search.cpp
semaphore.cpp
serenity.cpp
shadow.cpp
signal.cpp
spawn.cpp
ssp.cpp
stat.cpp
stdio.cpp
stdlib.cpp
string.cpp
strings.cpp
stubs.cpp
sys/auxv.cpp
sys/file.cpp
sys/mman.cpp
sys/prctl.cpp
sys/ptrace.cpp
sys/select.cpp
sys/socket.cpp
sys/statvfs.cpp
sys/uio.cpp
sys/wait.cpp
syslog.cpp
termcap.cpp
termios.cpp
time.cpp
times.cpp
ulimit.cpp
unistd.cpp
utime.cpp
utsname.cpp
wchar.cpp
wctype.cpp
wstdio.cpp
)
file(GLOB ELF_SOURCES CONFIGURE_DEPENDS "../LibELF/*.cpp")
if ("${SERENITY_ARCH}" STREQUAL "aarch64")
set(ASM_SOURCES "arch/aarch64/setjmp.S")
set(ELF_SOURCES ${ELF_SOURCES} ../LibELF/Arch/aarch64/entry.S ../LibELF/Arch/aarch64/plt_trampoline.S)
set(CRTI_SOURCE "arch/aarch64/crti.S")
set(CRTN_SOURCE "arch/aarch64/crtn.S")
elseif ("${SERENITY_ARCH}" STREQUAL "x86_64")
set(LIBC_SOURCES ${LIBC_SOURCES} "arch/x86_64/memset.cpp")
set(ASM_SOURCES "arch/x86_64/setjmp.S" "arch/x86_64/memset.S")
set(ELF_SOURCES ${ELF_SOURCES} ../LibELF/Arch/x86_64/entry.S ../LibELF/Arch/x86_64/plt_trampoline.S)
set(CRTI_SOURCE "arch/x86_64/crti.S")
set(CRTN_SOURCE "arch/x86_64/crtn.S")
endif()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-unknown-warning-option")
# Note: We link all these against NoCoverage so that we don't break ports by requiring coverage symbols
# in runtime/startup objects.
# Since all native serenity applications use dynamic libraries, prevent coverage on libc.a as well
add_library(crt0 STATIC crt0.cpp)
target_link_libraries(crt0 PRIVATE NoCoverage)
add_custom_command(
TARGET crt0
COMMAND "${CMAKE_COMMAND}" -E copy $<TARGET_OBJECTS:crt0> ${CMAKE_INSTALL_PREFIX}/usr/lib/crt0.o
)
add_library(crt0_shared STATIC crt0_shared.cpp)
target_link_libraries(crt0_shared PRIVATE NoCoverage)
add_custom_command(
TARGET crt0_shared
COMMAND "${CMAKE_COMMAND}" -E copy $<TARGET_OBJECTS:crt0_shared> ${CMAKE_INSTALL_PREFIX}/usr/lib/crt0_shared.o
)
add_library(crti STATIC ${CRTI_SOURCE})
target_link_libraries(crti PRIVATE NoCoverage)
add_custom_command(
TARGET crti
COMMAND "${CMAKE_COMMAND}" -E copy $<TARGET_OBJECTS:crti> ${CMAKE_INSTALL_PREFIX}/usr/lib/crti.o
)
add_library(crtn STATIC ${CRTN_SOURCE})
target_link_libraries(crtn PRIVATE NoCoverage)
add_custom_command(
TARGET crtn
COMMAND "${CMAKE_COMMAND}" -E copy $<TARGET_OBJECTS:crtn> ${CMAKE_INSTALL_PREFIX}/usr/lib/crtn.o
)
set_source_files_properties (ssp_nonshared.cpp PROPERTIES COMPILE_FLAGS "-fno-stack-protector")
add_library(ssp_nonshared STATIC ssp_nonshared.cpp)
target_link_libraries(ssp_nonshared PRIVATE NoCoverage)
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libssp_nonshared.a DESTINATION ${CMAKE_INSTALL_PREFIX}/usr/lib/)
set(SOURCES ${LIBC_SOURCES} ${AK_SOURCES} ${ELF_SOURCES} ${ASM_SOURCES})
# Prevent GCC from removing null checks by marking the `FILE*` argument non-null
set_source_files_properties(stdio.cpp PROPERTIES COMPILE_FLAGS "-fno-builtin-fputc -fno-builtin-fputs -fno-builtin-fwrite")
# Prevent naively implemented string functions (like strlen) from being "optimized" into a call to themselves.
if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
set_source_files_properties(string.cpp wchar.cpp PROPERTIES COMPILE_FLAGS "-fno-tree-loop-distribution -fno-tree-loop-distribute-patterns")
endif()
set_source_files_properties(ssp.cpp PROPERTIES COMPILE_FLAGS "-fno-stack-protector")
add_library(LibCStaticWithoutDeps STATIC ${SOURCES})
target_link_libraries(LibCStaticWithoutDeps PUBLIC ssp LibTimeZone PRIVATE NoCoverage)
add_dependencies(LibCStaticWithoutDeps LibSystem LibUBSanitizer)
add_custom_target(LibCStatic
COMMAND ${CMAKE_AR} -x $<TARGET_FILE:LibCStaticWithoutDeps>
COMMAND ${CMAKE_AR} -x $<TARGET_FILE:LibSystemStatic>
COMMAND ${CMAKE_AR} -x $<TARGET_FILE:LibUBSanitizerStatic>
COMMAND ${CMAKE_AR} -rcs ${CMAKE_CURRENT_BINARY_DIR}/libc.a *.o
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
DEPENDS LibCStaticWithoutDeps LibSystemStatic LibUBSanitizerStatic
)
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libc.a DESTINATION ${CMAKE_INSTALL_PREFIX}/usr/lib/)
file(GLOB TEMP_OBJ_FILES ${CMAKE_CURRENT_BINARY_DIR}/*.o)
set_property(
TARGET LibCStatic
APPEND
PROPERTY ADDITIONAL_CLEAN_FILES ${TEMP_OBJ_FILES}
)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -nolibc")
serenity_libc(LibC c)
add_dependencies(LibC crti crt0 crt0_shared crtn)
target_link_libraries(LibC PRIVATE LibSystem LibTimeZone)
# We mark LibCStatic as a dependency of LibC because this triggers the build of the LibCStatic target
add_dependencies(LibC LibCStatic)
# Provide a linker script instead of various other libraries that tells everything to link against LibC.
file(WRITE "${CMAKE_STAGING_PREFIX}/${CMAKE_INSTALL_LIBDIR}/libpthread.so" "INPUT(libc.so)")
file(WRITE "${CMAKE_STAGING_PREFIX}/${CMAKE_INSTALL_LIBDIR}/libdl.so" "INPUT(libc.so)")
file(WRITE "${CMAKE_STAGING_PREFIX}/${CMAKE_INSTALL_LIBDIR}/libm.so" "INPUT(libc.so)")
file(WRITE "${CMAKE_STAGING_PREFIX}/${CMAKE_INSTALL_LIBDIR}/libssp.so" "INPUT(libc.so)")
|
