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c88ffc239e
Commit 384ca55174 from 2007 added this to
nss/XXX-lookup.c:
+#ifndef NO_COMPAT
+int
+internal_function attribute_compat_text_section
+DB_COMPAT_FCT (service_user **ni, const char *fct_name, void **fctp)
+{
+ return DB_LOOKUP_FCT (ni, fct_name, NULL, fctp);
+}
+#endif
That is, it adds a pseudo-compat function with an internal_function
attribute. The function it was supposed to replace did not have the
attribute:
extern int DB_LOOKUP_FCT (service_user **ni, const char *fct_name,
- void **fctp) internal_function;
+ const char *fct2_name, void **fctp)
+ internal_function;
This changed the calling convention on i386 for the following
functions in the public ABI:
__nss_passwd_lookup
__nss_group_lookup
__nss_hosts_lookup
This commit replaces the functions with always-failing stubs,
with true compat symbols. Due to a happy accident, the calling
convention of the stub is identical for the internal_function
and non-internal_function case on i386.
In addition, this commit auto-generates the __nss_*_lookup2
function declarations as part of <nsswitch.h>.
158 lines
4.8 KiB
Makefile
158 lines
4.8 KiB
Makefile
# Copyright (C) 1996-2017 Free Software Foundation, Inc.
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# This file is part of the GNU C Library.
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# The GNU C Library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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# The GNU C Library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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# You should have received a copy of the GNU Lesser General Public
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# License along with the GNU C Library; if not, see
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# <http://www.gnu.org/licenses/>.
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#
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# Makefile for name service switch.
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#
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subdir := nss
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include ../Makeconfig
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headers := nss.h
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# This is the trivial part which goes into libc itself.
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routines = nsswitch getnssent getnssent_r digits_dots \
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valid_field valid_list_field rewrite_field \
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$(addsuffix -lookup,$(databases)) \
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compat-lookup
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# These are the databases that go through nss dispatch.
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# Caution: if you add a database here, you must add its real name
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# in databases.def, too.
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databases = proto service hosts network grp pwd ethers \
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spwd netgrp alias sgrp
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ifneq (,$(filter sunrpc,$(subdirs)))
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databases += key rpc
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have-sunrpc := 1
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else
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have-sunrpc := 0
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endif
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CPPFLAGS-getent.c = -DHAVE_SUNRPC=$(have-sunrpc)
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others := getent makedb
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install-bin := getent makedb
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makedb-modules = xmalloc hash-string
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extra-objs += $(makedb-modules:=.o)
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tests-static = tst-field
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tests-internal = tst-field
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tests = test-netdb test-digits-dots tst-nss-getpwent bug17079 \
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tst-nss-test1 \
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tst-nss-test2 \
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tst-nss-test3 \
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tst-nss-test4 \
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tst-nss-test5
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xtests = bug-erange
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# If we have a thread library then we can test cancellation against
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# some routines like getpwuid_r.
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ifeq (yes,$(have-thread-library))
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tests += tst-cancel-getpwuid_r
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endif
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# Specify rules for the nss_* modules. We have some services.
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services := files db
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extra-libs = $(services:%=libnss_%)
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# These libraries will be built in the `others' pass rather than
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# the `lib' pass, because they depend on libc.so being built already.
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extra-libs-others = $(extra-libs)
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# The sources are found in the appropriate subdir.
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subdir-dirs = $(services:%=nss_%)
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vpath %.c $(subdir-dirs) ../locale/programs ../intl
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libnss_files-routines := $(addprefix files-,$(databases)) \
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files-initgroups files-init
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libnss_db-dbs := $(addprefix db-,\
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$(filter-out hosts network key alias,\
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$(databases))) \
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db-initgroups
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libnss_db-routines := $(libnss_db-dbs) db-open db-init hash-string
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generated += $(filter-out db-alias.c db-netgrp.c, \
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$(addsuffix .c,$(libnss_db-dbs)))
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install-others += $(inst_vardbdir)/Makefile
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# Build static module into libc if requested
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libnss_files-inhibit-o = $(filter-out .os,$(object-suffixes))
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libnss_db-inhibit-o = $(filter-out .os,$(object-suffixes))
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ifeq ($(build-static-nss),yes)
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routines += $(libnss_files-routines)
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static-only-routines += $(libnss_files-routines)
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tests-static += tst-nss-static
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endif
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extra-test-objs += nss_test1.os nss_test2.os
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include ../Rules
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ifeq (yes,$(have-selinux))
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LDLIBS-makedb := -lselinux
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endif
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libnss-libc = $(common-objpfx)linkobj/libc.so
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# Target-specific variable setting to link objects using deprecated
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# RPC interfaces with the version of libc.so that makes them available
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# for new links:
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$(services:%=$(objpfx)libnss_%.so): libc-for-link = $(libnss-libc)
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$(objpfx)libnss_db.so: $(objpfx)libnss_files.so
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$(libnss_db-dbs:%=$(objpfx)%.c): $(objpfx)db-%.c: nss_files/files-%.c
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@rm -f $@.new
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(echo '#define EXTERN_PARSER';\
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echo '#define GENERIC "../nss_db/db-XXX.c"';\
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echo '#include "$<"') > $@.new
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mv -f $@.new $@
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$(objpfx)makedb: $(makedb-modules:%=$(objpfx)%.o)
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$(inst_vardbdir)/Makefile: db-Makefile $(+force)
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$(do-install)
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libnss_test1.so-no-z-defs = 1
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libnss_test2.so-no-z-defs = 1
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rtld-tests-LDFLAGS += -Wl,--dynamic-list=nss_test.ver
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libof-nss_test1 = extramodules
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libof-nss_test2 = extramodules
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$(objpfx)/libnss_test1.so: $(objpfx)nss_test1.os $(link-libc-deps)
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$(build-module)
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$(objpfx)/libnss_test2.so: $(objpfx)nss_test2.os $(link-libc-deps)
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$(build-module)
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$(objpfx)nss_test2.os : nss_test1.c
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ifdef libnss_test1.so-version
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$(objpfx)/libnss_test1.so$(libnss_test1.so-version): $(objpfx)/libnss_test1.so
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$(make-link)
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endif
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ifdef libnss_test2.so-version
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$(objpfx)/libnss_test2.so$(libnss_test2.so-version): $(objpfx)/libnss_test2.so
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$(make-link)
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endif
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$(patsubst %,$(objpfx)%.out,$(tests)) : \
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$(objpfx)/libnss_test1.so$(libnss_test1.so-version) \
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$(objpfx)/libnss_test2.so$(libnss_test2.so-version)
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ifeq (yes,$(have-thread-library))
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$(objpfx)tst-cancel-getpwuid_r: $(shared-thread-library)
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endif
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