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
|
# Makefile fragment for NaCl configurations.
# Copyright (C) 2015-2016 Free Software Foundation, Inc.
# This file is part of the GNU C Library.
# The GNU C Library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
# The GNU C Library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
# You should have received a copy of the GNU Lesser General Public
# License along with the GNU C Library; if not, see
# <http://www.gnu.org/licenses/>.
# The libthread_db code does not compile for NaCl because there is no
# sys/procfs.h supplying the register layout types. But since libthread_db
# will probably never be useful for NaCl, just elide the directory rather
# than implementing stuff to make it compile (and never get used).
subdirs := $(filter-out nptl_db,$(subdirs))
sorted-subdirs := $(filter-out nptl_db,$(sorted-subdirs))
# The (required) --with-headers option to configure sets sysheaders to the
# location of the native_client/.. source directory. We'll get necessary
# headers directly from there.
naclsrc = $(sysheaders)/native_client/src
# How to find the directory containing this Makefile.
nacl = $(..)sysdeps/nacl
# Generate our bits/errno.h with the numbers from NaCl's sys/errno.h file.
nacl-errno = $(naclsrc)/trusted/service_runtime/include/sys/errno.h
bits-errno = $(common-objpfx)bits/errno.h
$(bits-errno): $(common-objpfx)stamp-errnos ;
$(common-objpfx)stamp-errnos: $(nacl)/errnos.awk $(..)manual/errno.texi \
$(nacl-errno)
$(make-target-directory)
$(AWK) -f $^ > $(bits-errno)-tmp
# Make it unwritable so noone will edit it by mistake.
-chmod a-w $(bits-errno)-tmp
$(move-if-change) $(bits-errno)-tmp $(bits-errno)
touch $@
common-generated += stamp-errnos bits/errno.h
before-compile += $(bits-errno)
# Massage NaCl's irt.h (and irt_dev.h) into something we can use.
# See irt.sed for details.
nacl-irt.h = $(common-objpfx)nacl-irt.h
$(nacl-irt.h): $(nacl)/irt.sed \
$(naclsrc)/untrusted/irt/irt.h \
$(naclsrc)/untrusted/irt/irt_dev.h
sed -f $^ > $@.new
mv -f $@.new $@
common-generated += nacl-irt.h
before-compile += $(nacl-irt.h)
$(common-objpfx)nacl-interfaces.v.i: $(nacl)/nacl-interfaces.mk.in \
$(nacl)/nacl-interface-list.h
-include $(common-objpfx)nacl-interfaces.v
common-generated += nacl-interfaces.v
before-compile += $(common-objpfx)nacl-interfaces.v
nacl-all-interfaces = $(nacl-mandatory-interfaces) $(nacl-optional-interfaces)
nacl-interface-routines = $(nacl-all-interfaces:%=nacl-interface-%)
define nacl-interface-table-command
(echo '#define INTERFACE_CATEGORY $1'; \
echo '#define INTERFACE_MODULE $(firstword $(subst -, ,$*))'; \
echo '#define INTERFACE_TYPE $(word 2,$(subst -, ,$*))'; \
echo '#define INTERFACE_STRING $(nacl-$*-string)'; \
echo '#include "nacl-interface-table.c"' \
) > $@T
mv -f $@T $@
endef
nacl-interface-pattern = $(objpfx)nacl-interface-%.c
$(nacl-mandatory-interfaces:%=$(nacl-interface-pattern)): \
$(nacl-interface-pattern): $(nacl)/Makefile $(common-objpfx)nacl-interfaces.v
$(make-target-directory)
$(call nacl-interface-table-command,mandatory)
$(nacl-optional-interfaces:%=$(nacl-interface-pattern)): \
$(nacl-interface-pattern): $(nacl)/Makefile $(common-objpfx)nacl-interfaces.v
$(make-target-directory)
$(call nacl-interface-table-command,optional)
nacl-routines-of = $(filter nacl-interface-$1-%,$(nacl-interface-routines))
# Run the NaCl code validator on binaries after we link them, so the
# build does not succeed with any binary that won't pass validation.
# Moving the file around makes sure that we don't leave a target
# appearing complete after it fails validation.
define after-link
mv -f $1 $1.prevalidation
$(nacl)/nacl-after-link.sh '${READELF}' $1.prevalidation
mv -f $1.prevalidation $1
endef
# The test wrapper script takes care of running things under NaCl's sel_ldr.
test-wrapper-env-only = $(nacl)/nacl-test-wrapper.sh --arch=$(nacl-sdk-arch)
test-wrapper-env = $(test-wrapper-env-only)
test-wrapper = $(test-wrapper-env) --
ifeq ($(subdir),csu)
sysdep_routines += nacl_interface_query nacl_interface_ext_supply \
nacl-interfaces $(call nacl-routines-of,libc)
endif
ifeq ($(subdir),elf)
sysdep-dl-routines += $(call nacl-routines-of,rtld)
sysdep-rtld-routines += nacl-interfaces $(call nacl-routines-of,rtld)
endif
ifeq ($(subdir),io)
sysdep_routines += xstatconv
endif
ifeq ($(subdir),nptl)
# We do not need any wrappers in libpthread.
libpthread-routines := $(filter-out ptw-%,$(libpthread-routines))
endif
ifeq ($(subdir),misc)
# We reuse the Linux file since the bits match. The file lives in the
# top-level source tree so we can use it without reference to any
# sysdeps/.../linux/ directories, but it's still a sysdeps decision to
# install it.
sysdep_headers += bits/mman-linux.h
# This defeats sysdeps/gnu/Makefile's addition of sys/mtio.h, which
# we do not want. This is a total kludge, but it seems no worse for
# now than making the sysdeps/gnu/Makefile code conditional on a
# variable we set here. If some sysdeps/.../Makefile that is later
# in the list than sysdeps/gnu needed to add to sysdep_headers, this
# would break it. But sysdeps/gnu is close to last in the list and
# this coming up seems unlikely.
override sysdep_headers := $(sysdep_headers)
endif
|
