diff options
Diffstat (limited to 'libc')
| -rw-r--r-- | libc/Makefile | 90 | ||||
| -rw-r--r-- | libc/inet/Makefile | 4 | ||||
| -rw-r--r-- | libc/misc/internals/Makefile | 4 | ||||
| -rw-r--r-- | libc/misc/internals/__uClibc_main.c | 60 | ||||
| -rw-r--r-- | libc/misc/syslog/Makefile | 4 | ||||
| -rw-r--r-- | libc/stdio/Makefile | 4 | ||||
| -rw-r--r-- | libc/stdlib/malloc-standard/Makefile | 10 | ||||
| -rw-r--r-- | libc/sysdeps/linux/mips/Makefile | 12 |
8 files changed, 115 insertions, 73 deletions
diff --git a/libc/Makefile b/libc/Makefile index 231c8112e..07ae4085c 100644 --- a/libc/Makefile +++ b/libc/Makefile @@ -37,9 +37,17 @@ DIRS = misc pwd_grp stdio string termios inet signal stdlib sysdeps unistd VERSION_SCRIPT:=${shell if [ -f sysdeps/linux/$(TARGET_ARCH)/libc.map ] ; then \ echo "--version-script sysdeps/linux/$(TARGET_ARCH)/libc.map"; fi} -LIBNAME_TARGET:=$(TOPDIR)lib/$(LIBNAME) - -all: halfclean $(LIBNAME_TARGET) +# we have SHARED_MAJORNAME=libc.so.$(MAJOR_VERSION) defined in Rules.mak +LIB_NAME=libc +AR_LIB_NAME=$(TOPDIR)lib/$(LIB_NAME).a +SO_LIB_NAME=$(TOPDIR)lib/$(LIB_NAME).so +SO_FULL_NAME=libuClibc-$(MAJOR_VERSION).$(MINOR_VERSION).$(SUBLEVEL).so + +ifeq ($(strip $(HAVE_SHARED)),y) +all: $(SO_LIB_NAME) +else +all: $(AR_LIB_NAME) +endif # Some functions are duplicated across subdirs, and when you pass $(AR) # the same object file more than once, it'll add it to the archive multiple @@ -52,53 +60,63 @@ all: halfclean $(LIBNAME_TARGET) # the wildcard will be evaluated when `make` is run instead of when the make # target is evaluated. That means if you run `rm obj.* ; make`, the wildcard # will evaluate to no files :(. -$(LIBNAME) shared_$(LIBNAME) ar-target: subdirs objs-pthread-libc - $(RM) $(LIBNAME) shared_$(LIBNAME) +shared_$(LIB_NAME).a: subdirs + $(RM) shared_$(LIB_NAME).a obj.pthread.* objs=`cat obj.*` ; \ - $(AR) $(ARFLAGS) $(LIBNAME) $$objs && \ - $(AR) dN 2 $(LIBNAME) $$objs && \ - $(AR) dN 2 $(LIBNAME) $$objs + $(AR) $(ARFLAGS) shared_$(LIB_NAME).a $$objs && \ + $(AR) dN 2 shared_$(LIB_NAME).a $$objs && \ + $(AR) dN 2 shared_$(LIB_NAME).a $$objs @for objfile in obj.signal \ obj.string.generic obj.string.$(TARGET_ARCH) obj.string \ obj.sysdeps.common obj.sysdeps.$(TARGET_ARCH) ; do \ if [ -e $$objfile ] ; then \ if [ "$(MAKE_IS_SILENT)" = "n" ] ; then \ - echo $(AR) $(ARFLAGS) $(LIBNAME) $$objfile ; \ + echo $(AR) $(ARFLAGS) shared_$(LIB_NAME).a $$objfile ; \ fi ; \ objs=`cat $$objfile` ; \ fi ; \ - $(AR) $(ARFLAGS) $(LIBNAME) $$objs || exit 1 ; \ + $(AR) $(ARFLAGS) shared_$(LIB_NAME).a $$objs || exit 1 ; \ done - cp $(LIBNAME) shared_$(LIBNAME) - $(AR) $(ARFLAGS) $(LIBNAME) misc/internals/static.o - $(AR) $(ARFLAGS) $(LIBNAME) `cat "$(PTCOBJST)"` - $(RANLIB) $(LIBNAME) - -$(LIBNAME_TARGET): $(LIBNAME) - $(INSTALL) -d $(TOPDIR)lib - $(RM) $(TOPDIR)lib/$(LIBNAME) - $(INSTALL) -m 644 $(LIBNAME) $(TOPDIR)lib -shared: shared_$(LIBNAME) - $(AR) $(ARFLAGS) shared_$(LIBNAME) `cat "$(PTCOBJSH)"` - $(LD) $(LDFLAGS) $(VERSION_SCRIPT) -soname=$(SHARED_MAJORNAME) -o $(SHARED_FULLNAME) \ - --whole-archive shared_$(LIBNAME) \ - $(TOPDIR)libc/misc/internals/interp.o --no-whole-archive \ - -init __uClibc_init $(TOPDIR)lib/$(UCLIBC_LDSO) $(LIBGCC) $(LDADD_LIBFLOAT) +$(AR_LIB_NAME): shared_$(LIB_NAME).a $(INSTALL) -d $(TOPDIR)lib - $(RM) $(TOPDIR)lib/$(SHARED_FULLNAME) - $(INSTALL) -m 644 $(SHARED_FULLNAME) $(TOPDIR)lib - $(LN) -sf $(SHARED_FULLNAME) $(TOPDIR)lib/libc.so - $(LN) -sf $(SHARED_FULLNAME) $(TOPDIR)lib/$(SHARED_MAJORNAME) - -halfclean: - $(RM) $(LIBNAME) shared_$(LIBNAME) $(SHARED_FULLNAME) + $(RM) $(AR_LIB_NAME) + cp shared_$(LIB_NAME).a $(AR_LIB_NAME) + $(AR) $(ARFLAGS) $(AR_LIB_NAME) misc/internals/static.o `cat nonshared_obj.*` +ifeq ($(UCLIBC_HAS_THREADS_NATIVE),y) + $(MAKE) -C $(TOPDIR)libpthread/nptl obj.pthread.ar + $(AR) $(ARFLAGS) $(AR_LIB_NAME) `cat obj.pthread.ar` +endif + +$(SO_LIB_NAME): $(AR_LIB_NAME) + $(RM) $(TOPDIR)lib/$(SO_FULL_NAME) $(TOPDIR)lib/$(SHARED_MAJORNAME) $(SO_LIB_NAME) +ifeq ($(UCLIBC_HAS_THREADS_NATIVE),y) + $(MAKE) -C $(TOPDIR)libpthread/nptl obj.pthread.so + $(AR) $(ARFLAGS) shared_$(LIB_NAME).a `cat obj.pthread.so` +endif + $(LD) $(LDFLAGS) $(VERSION_SCRIPT) -soname=$(SHARED_MAJORNAME) \ + -o $(TOPDIR)lib/$(SO_FULL_NAME) --whole-archive shared_$(LIB_NAME).a \ + --no-whole-archive $(TOPDIR)libc/misc/internals/interp.o \ + -init __uClibc_init $(TOPDIR)lib/$(UCLIBC_LDSO) $(LDADD_LIBFLOAT) $(LIBGCC) + $(LN) -sf $(SO_FULL_NAME) $(TOPDIR)lib/$(SHARED_MAJORNAME) + $(RM) $(TOPDIR)lib/$(NONSHARED_LIBNAME) + $(AR) $(ARFLAGS) $(TOPDIR)lib/$(NONSHARED_LIBNAME) `cat nonshared_obj.*` + echo "/* GNU ld script" > $(SO_LIB_NAME) + echo " * Use the shared library, but some functions are only in" >> $(SO_LIB_NAME) + echo " * the static library, so try that secondarily. */" >> $(SO_LIB_NAME) + #OUT_FORMAT:=$(shell $(LD) --verbose | grep OUTPUT_FORMAT | awk -F '"' '{print $2}') + #echo "OUTPUT_FORMAT($(OUT_FORMAT))" >> $(SO_LIB_NAME) +ifeq ($(strip $(COMPAT_ATEXIT)),y) + echo "GROUP ( $(TOPDIR)lib/$(NONSHARED_LIBNAME) $(TOPDIR)lib/$(SHARED_MAJORNAME) )" >> $(SO_LIB_NAME) +else + echo "GROUP ( $(TOPDIR)lib/$(SHARED_MAJORNAME) $(TOPDIR)lib/$(NONSHARED_LIBNAME) )" >> $(SO_LIB_NAME) +endif tags: ctags -R -clean: subdirs_clean halfclean - $(RM) obj.* obj-* +clean: subdirs_clean + $(RM) *.a obj.* nonshared_obj.* subdirs: $(patsubst %, _dir_%, $(DIRS)) subdirs_clean: $(patsubst %, _dirclean_%, $(DIRS)) @@ -109,8 +127,4 @@ $(patsubst %, _dir_%, $(DIRS)) : dummy $(patsubst %, _dirclean_%, $(DIRS)) : dummy $(MAKE) -C $(patsubst _dirclean_%, %, $@) clean -objs-pthread-libc: - $(RM) $(PTCOBJST) $(PTCOBJSH) - $(MAKE) -C ../libpthread $@ - .PHONY: dummy subdirs diff --git a/libc/inet/Makefile b/libc/inet/Makefile index e7018db7c..6d59e1856 100644 --- a/libc/inet/Makefile +++ b/libc/inet/Makefile @@ -56,6 +56,10 @@ CSRC =getservice.c getproto.c hostid.c getnetent.c getnetbynm.c getnetbyad.c \ COBJS=$(patsubst %.c,%.o, $(CSRC)) +ifeq ($(UCLIBC_HAS_THREADS),y) +CFLAGS += $(PTINC) +endif + OBJS=$(MOBJ) $(MOBJ2) $(MOBJ3) $(COBJS) OBJ_LIST=../obj.inet diff --git a/libc/misc/internals/Makefile b/libc/misc/internals/Makefile index fee3eca70..1df05a934 100644 --- a/libc/misc/internals/Makefile +++ b/libc/misc/internals/Makefile @@ -31,6 +31,10 @@ __uClibc_main.o: CFLAGS += $(SSP_DISABLE_FLAGS) OBJS=$(COBJS) +ifeq ($(UCLIBC_HAS_THREADS),y) +CFLAGS += $(PTINC) +endif + OBJ_LIST=../../obj.misc.internals all: $(OBJ_LIST) interp.o static.o diff --git a/libc/misc/internals/__uClibc_main.c b/libc/misc/internals/__uClibc_main.c index 1ed05c6b2..8ed1f8d71 100644 --- a/libc/misc/internals/__uClibc_main.c +++ b/libc/misc/internals/__uClibc_main.c @@ -27,8 +27,12 @@ #include <sys/sysmacros.h> #ifdef __UCLIBC_HAS_SSP__ #include <ssp-internal.h> +#include <stdint.h> -unsigned long __guard = 0UL; +/* for gcc-3.x + Etoh ssp */ +uintptr_t __guard /* segfaults with attribute_relro */; +/* for gcc-4.1 non-TLS */ +uintptr_t __stack_chk_guard /* attribute_relro */; #endif /* @@ -43,13 +47,13 @@ extern void weak_function _locale_init(void); #endif #ifdef __UCLIBC_HAS_THREADS__ extern void weak_function __pthread_initialize_minimal(void); -extern void weak_function _dl_aux_init(ElfW(auxv_t) *); #endif + /* * Declare the __environ global variable and create a weak alias environ. * Note: Apparently we must initialize __environ to ensure that the weak @@ -108,11 +112,9 @@ static int __check_suid(void) } #ifdef __UCLIBC_HAS_SSP__ -static __always_inline void __guard_setup(void) +static __always_inline uintptr_t _dl_guard_setup(void) { - if (__guard != 0UL) - return; - + uintptr_t ret; #ifndef __SSP_QUICK_CANARY__ size_t size; @@ -125,10 +127,9 @@ static __always_inline void __guard_setup(void) mib[1] = KERN_RANDOM; mib[2] = RANDOM_ERANDOM; - size = sizeof(unsigned long); - if (SYSCTL(mib, 3, &__guard, &size, NULL, 0) != (-1)) - if (__guard != 0UL) - return; + if (SYSCTL(mib, 3, &ret, &size, NULL, 0) != (-1)) + if (size == (size_t) sizeof(ret)) + return ret; } # endif /* ifdef __SSP_USE_ERANDOM__ */ { @@ -142,25 +143,26 @@ static __always_inline void __guard_setup(void) if ((fd = OPEN("/dev/erandom", O_RDONLY)) == (-1)) # endif fd = OPEN("/dev/urandom", O_RDONLY); - if (fd != (-1)) { - size = READ(fd, (char *) &__guard, sizeof(__guard)); + if (fd >= 0) { + size = READ(fd, &ret, sizeof(ret)); CLOSE(fd); - if (size == sizeof(__guard)) - return; + if (size == (size_t) sizeof(ret)) + return ret; } } #endif /* ifndef __SSP_QUICK_CANARY__ */ /* Start with the "terminator canary". */ - __guard = 0xFF0A0D00UL; + ret = 0xFF0A0D00UL; /* Everything failed? Or we are using a weakened model of the * terminator canary */ { struct timeval tv; - GETTIMEOFDAY(&tv, NULL); - __guard ^= tv.tv_usec ^ tv.tv_sec; + if (GETTIMEOFDAY(&tv, NULL) != (-1)) + ret ^= tv.tv_usec ^ tv.tv_sec; } + return ret; } #endif /* __UCLIBC_HAS_SSP__ */ @@ -199,7 +201,11 @@ void __uClibc_init(void) #endif #ifdef __UCLIBC_HAS_SSP__ - __guard_setup (); + uintptr_t stack_chk_guard = _dl_guard_setup(); + /* for gcc-3.x + Etoh ssp */ + __guard = stack_chk_guard; + /* for gcc-4.1 non-TLS */ + __stack_chk_guard = stack_chk_guard; #endif #ifdef __UCLIBC_HAS_LOCALE__ @@ -265,13 +271,17 @@ __uClibc_main(int (*main)(int, char **, char **), int argc, aux_dat += 2; } -#ifdef __UCLIBC_HAS_THREADS__ - /* - * Before we can make any pthread calls, we have to do some - * some TLS setup. This call may do more in the future. - */ - if (likely(_dl_aux_init != NULL)) - _dl_aux_init(auxvt); +#ifdef __UCLIBC_HAS_THREADS_NATIVE__ + { + extern void _dl_aux_init (ElfW(auxv_t) *av); + + /* + * Before we can make any pthread calls, we have to do some + * some TLS setup. This call may do more in the future. + */ + if (likely(_dl_aux_init != NULL)) + _dl_aux_init(auxvt); + } #endif /* We need to initialize uClibc. If we are dynamically linked this diff --git a/libc/misc/syslog/Makefile b/libc/misc/syslog/Makefile index 35e755e40..26239ab7b 100644 --- a/libc/misc/syslog/Makefile +++ b/libc/misc/syslog/Makefile @@ -28,6 +28,10 @@ CSRC=syslog.c COBJS=$(patsubst %.c,%.o, $(CSRC)) OBJS=$(COBJS) +ifeq ($(UCLIBC_HAS_THREADS),y) +CFLAGS += $(PTINC) +endif + OBJ_LIST=../../obj.misc.syslog all: $(OBJ_LIST) diff --git a/libc/stdio/Makefile b/libc/stdio/Makefile index dc2a29173..729e4dd81 100644 --- a/libc/stdio/Makefile +++ b/libc/stdio/Makefile @@ -119,6 +119,10 @@ ifeq ($(strip $(UCLIBC_HAS_LFS)),y) OBJS += $(CLOBJS) endif +ifeq ($(UCLIBC_HAS_THREADS),y) +CFLAGS += $(PTINC) +endif + ifeq ($(UCLIBC_HAS_STDIO_FUTEXES),y) CFLAGS += -D__USE_STDIO_FUTEXES__ endif diff --git a/libc/stdlib/malloc-standard/Makefile b/libc/stdlib/malloc-standard/Makefile index acd7526e9..54022ec13 100644 --- a/libc/stdlib/malloc-standard/Makefile +++ b/libc/stdlib/malloc-standard/Makefile @@ -32,11 +32,17 @@ endif # calloc.c can be found at uClibc/libc/stdlib/calloc.c # valloc.c can be found at uClibc/libc/stdlib/valloc.c CSRC=malloc.c calloc.c realloc.c free.c memalign.c mallopt.c mallinfo.c + +COBJS=$(patsubst %.c,%.o, $(CSRC)) + +OBJS=$(COBJS) + +ifeq ($(UCLIBC_HAS_THREADS),y) +CFLAGS += $(PTINC) ifeq ($(UCLIBC_HAS_THREADS_NATIVE),y) CSRC += thread-freeres.c endif -COBJS=$(patsubst %.c,%.o, $(CSRC)) -OBJS=$(COBJS) +endif OBJ_LIST=../../obj.stdlib.malloc-standard diff --git a/libc/sysdeps/linux/mips/Makefile b/libc/sysdeps/linux/mips/Makefile index 91da020dd..6d51205e9 100644 --- a/libc/sysdeps/linux/mips/Makefile +++ b/libc/sysdeps/linux/mips/Makefile @@ -60,14 +60,14 @@ $(COBJS): %.o : %.c ifeq ($(strip $(UCLIBC_CTOR_DTOR)),y) crti.o: crti.S - $(CC) $(ASFLAGS) -c crti.S -o crti.o + $(CC) $(ASFLAGS) $(SSP_DISABLE_FLAGS) -c crti.S -o crti.o $(TOPDIR)lib/crti.o: crti.o $(INSTALL) -d $(TOPDIR)lib/ cp crti.o $(TOPDIR)lib/ crtn.o: crtn.S - $(CC) $(ASFLAGS) -c crtn.S -o crtn.o + $(CC) $(ASFLAGS) $(SSP_DISABLE_FLAGS) -c crtn.S -o crtn.o $(TOPDIR)lib/crtn.o: crtn.o $(INSTALL) -d $(TOPDIR)lib/ @@ -87,9 +87,5 @@ headers: cp sysdep.h $(TOPDIR)/include/ clean: - $(RM) *.[oa] *~ core - $(RM) bits/sysnum.h - $(RM) $(TOPDIR)/include/fpu_control.h - $(RM) $(TOPDIR)/include/sgidefs.h - $(RM) $(TOPDIR)/include/sysdep.h - $(RM) $(TOPDIR)/include/sysdep-nptl.h + $(RM) *.o *~ core + $(RM) $(TOPDIR)/include/sgidefs.h $(TOPDIR)/include/sysdep.h |
