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35f1e82763
* configure.in: Add --enable-stackguard-randomization option.
(ENABLE_STACKGUARD_RANDOMIZE): New define.
* config.h.in (ENABLE_STACKGUARD_RANDOMIZE): Add.
* sysdeps/unix/sysv/linux/dl-osinfo.h: Include stdint.h.
(_dl_setup_stack_chk_guard): New inline function.
* sysdeps/generic/dl-osinfo.h: Include stdint.h.
(_dl_setup_stack_chk_guard): New inline function.
* elf/rtld.c (__stack_chk_guard): New variable.
(dl_main): Remove all traces of TLS_INIT_TP_EXPENSIVE.
Set __stack_chk_guard to _dl_setup_stack_chk_guard (),
use THREAD_SET_STACK_GUARD if defined.
* elf/Versions (ld): Export __stack_chk_guard@@GLIBC_2.4.
* sysdeps/generic/libc-start.c (__stack_chk_guard): New variable.
(__libc_start_main): Set __stack_chk_guard to
_dl_setup_stack_chk_guard (), use THREAD_SET_STACK_GUARD if defined.
* sysdeps/generic/libc-tls.c (__libc_setup_tls): Remove all
traces of TLS_INIT_TP_EXPENSIVE.
* debug/Versions (libc): Export __stack_chk_fail@@GLIBC_2.4.
* debug/Makefile (routines): Add stack_chk_fail.
(static-only-routines): Add stack_chk_fail_local.
* debug/stack_chk_fail_local.c: New file.
* debug/stack_chk_fail.c: New file.
* elf/Makefile: Add rules to build and run tst-stackguard1{,-static}
tests.
* elf/tst-stackguard1.c: New file.
* elf/tst-stackguard1-static.c: New file.
* elf/stackguard-macros.h: New file.
108 lines
4.0 KiB
Makefile
108 lines
4.0 KiB
Makefile
# Copyright (C) 1998,1999,2000,2001,2004,2005 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, write to the Free
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# Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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# 02111-1307 USA.
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#
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# Sub-makefile for debug portion of the library.
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#
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subdir := debug
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headers := execinfo.h
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distribute = sigcontextinfo.h register-dump.h frame.h
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routines = backtrace backtracesyms backtracesymsfd noophooks \
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memcpy_chk memmove_chk mempcpy_chk memset_chk stpcpy_chk \
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strcat_chk strcpy_chk strncat_chk strncpy_chk \
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sprintf_chk vsprintf_chk snprintf_chk vsnprintf_chk \
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printf_chk fprintf_chk vprintf_chk vfprintf_chk \
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gets_chk chk_fail readonly-area fgets_chk fgets_u_chk \
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read_chk pread_chk pread64_chk recv_chk recvfrom_chk \
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readlink_chk getwd_chk getcwd_chk stack_chk_fail \
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$(static-only-routines)
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static-only-routines := warning-nop stack_chk_fail_local
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CFLAGS-backtrace.c = -fno-omit-frame-pointer
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CFLAGS-sprintf_chk.c = -D_IO_MTSAFE_IO
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CFLAGS-snprintf_chk.c = -D_IO_MTSAFE_IO
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CFLAGS-vsprintf_chk.c = -D_IO_MTSAFE_IO
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CFLAGS-vsnprintf_chk.c = -D_IO_MTSAFE_IO
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CFLAGS-printf_chk.c = -D_IO_MTSAFE_IO $(exceptions)
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CFLAGS-fprintf_chk.c = -D_IO_MTSAFE_IO $(exceptions)
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CFLAGS-vprintf_chk.c = -D_IO_MTSAFE_IO $(exceptions)
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CFLAGS-vfprintf_chk.c = -D_IO_MTSAFE_IO $(exceptions)
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CFLAGS-gets_chk.c = -D_IO_MTSAFE_IO $(exceptions)
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CFLAGS-fgets_chk.c = -D_IO_MTSAFE_IO $(exceptions)
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CFLAGS-fgets_u_chk.c = -D_IO_MTSAFE_IO $(exceptions)
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CFLAGS-read_chk.c = -fexceptions -fasynchronous-unwind-tables
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CFLAGS-pread_chk.c = -fexceptions -fasynchronous-unwind-tables
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CFLAGS-pread64_chk.c = -fexceptions -fasynchronous-unwind-tables
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CFLAGS-recv_chk.c = -fexceptions -fasynchronous-unwind-tables
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CFLAGS-recvfrom_chk.c = -fexceptions -fasynchronous-unwind-tables
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tests = backtrace-tst tst-chk1 tst-chk2 tst-chk3 \
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tst-lfschk1 tst-lfschk2 tst-lfschk3 test-strcpy_chk test-stpcpy_chk
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extra-libs = libSegFault libpcprofile
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extra-libs-others = $(extra-libs)
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libSegFault-routines = segfault
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libSegFault-inhibit-o = $(filter-out .os,$(object-suffixes))
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libpcprofile-routines = pcprofile
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libpcprofile-inhibit-o = $(filter-out .os,$(object-suffixes))
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others = pcprofiledump
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install-bin = pcprofiledump
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install-bin-script = xtrace
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include ../Makeconfig
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distribute += catchsegv.sh xtrace.sh
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ifeq ($(elf),yes)
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ifeq ($(build-shared),yes)
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install-bin-script += catchsegv
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endif
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endif
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generated = catchsegv xtrace
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include ../Rules
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$(objpfx)catchsegv: catchsegv.sh $(common-objpfx)soversions.mk \
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$(common-objpfx)config.make
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slibpfx=`echo $(slibdir)|sed 's/lib\(64\|\)$$/\\\\\\\\$$LIB/'`; \
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sed -e 's|@VERSION@|$(version)|' -e "s|@SLIB@|$$slibpfx|" $< > $@.new
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chmod 555 $@.new
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mv -f $@.new $@
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$(objpfx)pcprofiledump: $(objpfx)pcprofiledump.o
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$(objpfx)xtrace: xtrace.sh
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rm -f $@.new
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sed -e 's|@BASH@|$(BASH)|' -e 's|@VERSION@|$(version)|' \
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-e 's|@SLIBDIR@|$(slibdir)|' -e 's|@BINDIR@|$(bindir)|' $^ > $@.new \
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&& rm -f $@ && mv $@.new $@ && chmod +x $@
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# Depend on libc.so so a DT_NEEDED is generated in the shared objects.
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# This ensures they will load libc.so for needed symbols if loaded by
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# a statically-linked program that hasn't already loaded it.
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$(objpfx)libSegFault.so: $(common-objpfx)libc.so \
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$(common-objpfx)libc_nonshared.a \
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$(elf-objpfx)$(rtld-installed-name)
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$(objpfx)libpcprofile.so: $(common-objpfx)libc.so \
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$(common-objpfx)libc_nonshared.a \
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$(elf-objpfx)$(rtld-installed-name)
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