diff options
Diffstat (limited to 'nptl')
-rw-r--r-- | nptl/ChangeLog | 18 | ||||
-rw-r--r-- | nptl/Makefile | 49 | ||||
-rw-r--r-- | nptl/sysdeps/pthread/pt-initfini.c | 124 |
3 files changed, 19 insertions, 172 deletions
diff --git a/nptl/ChangeLog b/nptl/ChangeLog index b8e1e4a..f7400ff 100644 --- a/nptl/ChangeLog +++ b/nptl/ChangeLog @@ -1,3 +1,21 @@ +2012-02-21 Joseph Myers <joseph@codesourcery.com> + + [BZ #13695] + * Makefile (generated): Remove crti.S, crtn.S, defs.h and + pt-initfini.s. + [crti.S not in sysdirs] (omit-deps): Do not append. + [crti.S not in sysdirs] (CFLAGS-pt-initfini.s): Remove variable. + [crti.S not in sysdirs] (pt-initfini.c): Remove vpath directive. + [crti.S not in sysdirs] ($(objpfx)crti.S): Remove rule. + [crti.S not in sysdirs] ($(objpfx)crtn.S): Likewise. + [crti.S not in sysdirs] ($(objpfx)defs.h): Likewise. + [crti.S not in sysdirs] ($(objpfx)crti.o): Likewise. + [crti.S not in sysdirs] ($(objpfx)crtn.o): Likewise. + [crti.S in sysdirs] (extra-objs): Append unconditionally. + [crti.S in sysdirs] ($(objpfx)crti.o): Define rule + unconditionally. + * sysdeps/pthread/pt-initfini.c: Remove file. + 2012-02-16 Richard Henderson <rth@twiddle.net> * nptl/sysdeps/unix/sysv/linux/s390/s390-32/pt-initfini.c: Remove file. diff --git a/nptl/Makefile b/nptl/Makefile index b43e448..c39230d 100644 --- a/nptl/Makefile +++ b/nptl/Makefile @@ -334,25 +334,12 @@ ifneq (,$(patsubst .,,$(multidir))) generated-dirs := $(firstword $(subst /, , $(multidir))) crti-objs += $(multidir)/crti.o crtn-objs += $(multidir)/crtn.o -# Conditionals on the existence of a sysdeps version of crti.S are -# temporary until all targets either have such a file or have been -# removed, after which the old approach of postprocessing compiler -# output will be removed. -ifeq (,$(wildcard $(sysdirs:%=%/crti.S))) -omit-deps += $(multidir)/crti $(multidir)/crtn -endif $(objpfx)$(multidir): mkdir -p $@ endif extra-objs += $(crti-objs) $(crtn-objs) -ifeq (,$(wildcard $(sysdirs:%=%/crti.S))) -omit-deps += crti crtn - -CFLAGS-pt-initfini.s = -g0 -fPIC -fno-inline-functions $(fno-unit-at-a-time) -else extra-objs += pt-crti.o endif -endif CFLAGS-flockfile.c = -D_IO_MTSAFE_IO CFLAGS-ftrylockfile.c = -D_IO_MTSAFE_IO @@ -551,47 +538,13 @@ $(addprefix $(objpfx),$(tests) $(test-srcs)): $(objpfx)libpthread.a endif ifeq ($(build-shared),yes) -ifeq (,$(wildcard $(sysdirs:%=%/crti.S))) -vpath pt-initfini.c $(sysdirs) - -$(objpfx)pt-initfini.s: pt-initfini.c - $(compile.c) -S $(CFLAGS-pt-initfini.s) -finhibit-size-directive \ - $(patsubst -f%,-fno-%,$(exceptions)) -o $@ -endif $(objpfx)tst-cleanup0.out: /dev/null $(objpfx)tst-cleanup0 $(make-test-out) 2>&1 | cmp - tst-cleanup0.expect > $@ -ifneq (,$(wildcard $(sysdirs:%=%/crti.S))) - $(objpfx)crti.o: $(objpfx)pt-crti.o ln -f $< $@ -else - -# We only have one kind of startup code files. Static binaries and -# shared libraries are build using the PIC version. -$(objpfx)crti.S: $(objpfx)pt-initfini.s - sed -n -e '1,/@HEADER_ENDS/p' \ - -e '/@_.*_PROLOG_BEGINS/,/@_.*_PROLOG_ENDS/p' \ - -e '/@TRAILER_BEGINS/,$$p' $< > $@ -$(objpfx)crtn.S: $(objpfx)pt-initfini.s - sed -n -e '1,/@HEADER_ENDS/p' \ - -e '/@_.*_EPILOG_BEGINS/,/@_.*_EPILOG_ENDS/p' \ - -e '/@TRAILER_BEGINS/,$$p' $< > $@ - -$(objpfx)defs.h: $(objpfx)pt-initfini.s - sed -n -e '/@TESTS_BEGIN/,/@TESTS_END/p' $< | \ - $(AWK) -f ../csu/defs.awk > $@ - -$(objpfx)crti.o: $(objpfx)crti.S $(objpfx)defs.h - $(compile.S) -g0 $(ASFLAGS-.os) -o $@ - -$(objpfx)crtn.o: $(objpfx)crtn.S $(objpfx)defs.h - $(compile.S) -g0 $(ASFLAGS-.os) -o $@ - -endif - ifneq ($(multidir),.) $(objpfx)$(multidir)/crti.o: $(objpfx)crti.o $(objpfx)$(multidir)/ ln -f $< $@ @@ -600,7 +553,7 @@ $(objpfx)$(multidir)/crtn.o: $(objpfx)crtn.o $(objpfx)$(multidir)/ ln -f $< $@ endif -generated += crti.S crtn.S defs.h pt-initfini.s libpthread_nonshared.a \ +generated += libpthread_nonshared.a \ multidir.mk tst-atfork2.mtrace tst-cancel-wrappers.out \ tst-tls6.out diff --git a/nptl/sysdeps/pthread/pt-initfini.c b/nptl/sysdeps/pthread/pt-initfini.c deleted file mode 100644 index 00cde5c..0000000 --- a/nptl/sysdeps/pthread/pt-initfini.c +++ /dev/null @@ -1,124 +0,0 @@ -/* Special .init and .fini section support. Linuxthread version. - Copyright (C) 1995,1996,1997,2000,2001,2002 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 of the License, or (at your option) any later version. - - In addition to the permissions in the GNU Lesser General Public - License, the Free Software Foundation gives you unlimited - permission to link the compiled version of this file with other - programs, and to distribute those programs without any restriction - coming from the use of this file. (The Library General Public - License restrictions do apply in other respects; for example, they - cover modification of the file, and distribution when not linked - into another program.) - - 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; see the file COPYING.LIB. If - not, see <http://www.gnu.org/licenses/>. */ - -/* This file is compiled into assembly code which is then munged by a sed - script into two files: crti.s and crtn.s. - - * crti.s puts a function prologue at the beginning of the - .init and .fini sections and defines global symbols for - those addresses, so they can be called as functions. - - * crtn.s puts the corresponding function epilogues - in the .init and .fini sections. */ - -#include <stdlib.h> - -/* We use embedded asm for .section unconditionally, as this makes it - easier to insert the necessary directives into crtn.S. */ -#define SECTION(x) asm (".section " x ) - -/* Embed an #include to pull in the alignment and .end directives. */ -asm ("\n#include \"defs.h\""); - -/* The initial common code ends here. */ -asm ("\n/*@HEADER_ENDS*/"); - -/* To determine whether we need .end and .align: */ -asm ("\n/*@TESTS_BEGIN*/"); -extern void dummy (void (*foo) (void)); -void -dummy (void (*foo) (void)) -{ - if (foo) - (*foo) (); -} -asm ("\n/*@TESTS_END*/"); - -/* The beginning of _init: */ -asm ("\n/*@_init_PROLOG_BEGINS*/"); - -static void -call_initialize_minimal (void) -{ - extern void __pthread_initialize_minimal_internal (void) - __attribute ((visibility ("hidden"))); - - __pthread_initialize_minimal_internal (); -} - -SECTION (".init"); -extern void __attribute__ ((section (".init"))) _init (void); -void -_init (void) -{ - /* The very first thing we must do is to set up the registers. */ - call_initialize_minimal (); - - asm ("ALIGN"); - asm("END_INIT"); - /* Now the epilog. */ - asm ("\n/*@_init_PROLOG_ENDS*/"); - asm ("\n/*@_init_EPILOG_BEGINS*/"); - SECTION(".init"); -} -asm ("END_INIT"); - -/* End of the _init epilog, beginning of the _fini prolog. */ -asm ("\n/*@_init_EPILOG_ENDS*/"); -asm ("\n/*@_fini_PROLOG_BEGINS*/"); - -SECTION (".fini"); -extern void __attribute__ ((section (".fini"))) _fini (void); -void -_fini (void) -{ - - /* End of the _fini prolog. */ - asm ("ALIGN"); - asm ("END_FINI"); - asm ("\n/*@_fini_PROLOG_ENDS*/"); - - { - /* Let GCC know that _fini is not a leaf function by having a dummy - function call here. We arrange for this call to be omitted from - either crt file. */ - extern void i_am_not_a_leaf (void); - i_am_not_a_leaf (); - } - - /* Beginning of the _fini epilog. */ - asm ("\n/*@_fini_EPILOG_BEGINS*/"); - SECTION (".fini"); -} -asm ("END_FINI"); - -/* End of the _fini epilog. Any further generated assembly (e.g. .ident) - is shared between both crt files. */ -asm ("\n/*@_fini_EPILOG_ENDS*/"); -asm ("\n/*@TRAILER_BEGINS*/"); - -/* End of file. */ |