(__recvfrom_chk): Always fail if request could overflow the buffer.
[kopensolaris-gnu/glibc.git] / debug / Makefile
1 # Copyright (C) 1998,1999,2000,2001,2004,2005 Free Software Foundation, Inc.
2 # This file is part of the GNU C Library.
3
4 # The GNU C Library is free software; you can redistribute it and/or
5 # modify it under the terms of the GNU Lesser General Public
6 # License as published by the Free Software Foundation; either
7 # version 2.1 of the License, or (at your option) any later version.
8
9 # The GNU C Library is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12 # Lesser General Public License for more details.
13
14 # You should have received a copy of the GNU Lesser General Public
15 # License along with the GNU C Library; if not, write to the Free
16 # Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
17 # 02111-1307 USA.
18
19 #
20 #       Sub-makefile for debug portion of the library.
21 #
22 subdir  := debug
23
24 headers := execinfo.h
25 distribute = sigcontextinfo.h register-dump.h frame.h
26
27 routines  = backtrace backtracesyms backtracesymsfd noophooks \
28             memcpy_chk memmove_chk mempcpy_chk memset_chk stpcpy_chk \
29             strcat_chk strcpy_chk strncat_chk strncpy_chk \
30             sprintf_chk vsprintf_chk snprintf_chk vsnprintf_chk \
31             printf_chk fprintf_chk vprintf_chk vfprintf_chk \
32             gets_chk chk_fail readonly-area fgets_chk fgets_u_chk \
33             read_chk pread_chk pread64_chk recv_chk recvfrom_chk \
34             readlink_chk getwd_chk getcwd_chk \
35             $(static-only-routines)
36 static-only-routines := warning-nop
37
38 CFLAGS-backtrace.c = -fno-omit-frame-pointer
39 CFLAGS-sprintf_chk.c = -D_IO_MTSAFE_IO
40 CFLAGS-snprintf_chk.c = -D_IO_MTSAFE_IO
41 CFLAGS-vsprintf_chk.c = -D_IO_MTSAFE_IO
42 CFLAGS-vsnprintf_chk.c = -D_IO_MTSAFE_IO
43 CFLAGS-printf_chk.c = -D_IO_MTSAFE_IO $(exceptions)
44 CFLAGS-fprintf_chk.c = -D_IO_MTSAFE_IO $(exceptions)
45 CFLAGS-vprintf_chk.c = -D_IO_MTSAFE_IO $(exceptions)
46 CFLAGS-vfprintf_chk.c = -D_IO_MTSAFE_IO $(exceptions)
47 CFLAGS-gets_chk.c = -D_IO_MTSAFE_IO $(exceptions)
48 CFLAGS-fgets_chk.c = -D_IO_MTSAFE_IO $(exceptions)
49 CFLAGS-fgets_u_chk.c = -D_IO_MTSAFE_IO $(exceptions)
50 CFLAGS-read_chk.c = -fexceptions -fasynchronous-unwind-tables
51 CFLAGS-pread_chk.c = -fexceptions -fasynchronous-unwind-tables
52 CFLAGS-pread64_chk.c = -fexceptions -fasynchronous-unwind-tables
53 CFLAGS-recv_chk.c = -fexceptions -fasynchronous-unwind-tables
54 CFLAGS-recvfrom_chk.c = -fexceptions -fasynchronous-unwind-tables
55
56 tests = backtrace-tst tst-chk1 tst-chk2 tst-chk3 \
57         test-strcpy_chk test-stpcpy_chk
58
59 extra-libs = libSegFault libpcprofile
60 extra-libs-others = $(extra-libs)
61
62 libSegFault-routines = segfault
63 libSegFault-inhibit-o = $(filter-out .os,$(object-suffixes))
64
65 libpcprofile-routines = pcprofile
66 libpcprofile-inhibit-o = $(filter-out .os,$(object-suffixes))
67
68 others = pcprofiledump
69 install-bin = pcprofiledump
70 install-bin-script = xtrace
71
72 include ../Makeconfig
73
74 distribute += catchsegv.sh xtrace.sh
75 ifeq ($(elf),yes)
76 ifeq ($(build-shared),yes)
77 install-bin-script += catchsegv
78 endif
79 endif
80 generated = catchsegv xtrace
81
82 include ../Rules
83
84 $(objpfx)catchsegv: catchsegv.sh $(common-objpfx)soversions.mk \
85                     $(common-objpfx)config.make
86         slibpfx=`echo $(slibdir)|sed 's/lib\(64\|\)$$/\\\\\\\\$$LIB/'`; \
87         sed -e 's|@VERSION@|$(version)|' -e "s|@SLIB@|$$slibpfx|" $< > $@.new
88         chmod 555 $@.new
89         mv -f $@.new $@
90
91 $(objpfx)pcprofiledump: $(objpfx)pcprofiledump.o
92
93 $(objpfx)xtrace: xtrace.sh
94         rm -f $@.new
95         sed -e 's|@BASH@|$(BASH)|' -e 's|@VERSION@|$(version)|' \
96             -e 's|@SLIBDIR@|$(slibdir)|' -e 's|@BINDIR@|$(bindir)|' $^ > $@.new \
97         && rm -f $@ && mv $@.new $@ && chmod +x $@
98
99 # Depend on libc.so so a DT_NEEDED is generated in the shared objects.
100 # This ensures they will load libc.so for needed symbols if loaded by
101 # a statically-linked program that hasn't already loaded it.
102 $(objpfx)libSegFault.so: $(common-objpfx)libc.so \
103                          $(common-objpfx)libc_nonshared.a \
104                          $(elf-objpfx)$(rtld-installed-name)
105 $(objpfx)libpcprofile.so: $(common-objpfx)libc.so \
106                           $(common-objpfx)libc_nonshared.a \
107                           $(elf-objpfx)$(rtld-installed-name)