diff options
59 files changed, 619 insertions, 395 deletions
@@ -1,3 +1,142 @@ +2002-10-09 Roland McGrath <roland@redhat.com> + + * sysdeps/generic/bits/libc-tsd.h [USE___THREAD]: Conditional + changed from [USE_TLS && HAVE___THREAD]. + + * sysdeps/i386/dl-machine.h (elf_machine_type_class, elf_machine_rel): + Disable TLS relocs if [RTLD_BOOTSTRAP && !USE___THREAD]. + * sysdeps/x86_64/dl-machine.h + (elf_machine_type_class, elf_machine_rela): Likewise. + * sysdeps/sh/dl-machine.h (elf_machine_type_class, elf_machine_rela): + Likewise. + + * include/link.h (struct link_map): Remove member l_tls_tp_initialized. + * elf/rtld.c (_dl_start_final, dl_main): Don't use it. + (_dl_start): Conditionalize PT_TLS check on [USE___THREAD]. + + * sysdeps/i386/dl-tls.h (__TLS_GET_ADDR): Use ___tls_get_addr_internal + instead of ___tls_get_addr. + (___tls_get_addr_internal): Add attribute_hidden to decl. + + * sysdeps/generic/ldsodefs.h (struct rtld_global): New variable + _dl_error_catch_tsd. + * elf/rtld.c (startup_error_tsd): New function. + (dl_main): Point _dl_error_catch_tsd at that. + * elf/dl-error.c: Don't use libc-tsd.h for DL_ERROR, + use new function pointer instead. + * elf/dl-tsd.c: New file. + * elf/Makefile (routines): Add it. + +2002-10-07 Roland McGrath <roland@redhat.com> + + * elf/dl-misc.c (_dl_debug_vdprintf): Use INTERNAL_SYSCALL macro for + writev if it's available. Otherwise if [RTLD_PRIVATE_ERRNO] then + take _dl_load_lock around calling __writev. + + * sysdeps/unix/sysv/linux/i386/sysdep.h (INTERNAL_SYSCALL): New macro. + (INLINE_SYSCALL): Use that. + + * sysdeps/generic/dl-sysdep.h: New file. + * sysdeps/mach/hurd/dl-sysdep.h: New file. + * sysdeps/generic/ldsodefs.h: Include <dl-sysdep.h>. + * include/errno.h [IS_IN_rtld]: Include <dl-sysdep.h> to define ... + [RTLD_PRIVATE_ERRNO]: Use a hidden global variable for errno and + access it directly. + * elf/dl-minimal.c (__errno_location): Removed. + * sysdeps/unix/i386/sysdep.S (__syscall_errno) [RTLD_PRIVATE_ERRNO]: + Use GOTOFF access for errno. + * sysdeps/unix/sysv/linux/i386/sysdep.h + [RTLD_PRIVATE_ERRNO] (SYSCALL_ERROR_HANDLER): Likewise. + + * sysdeps/unix/x86_64/sysdep.S (__syscall_errno) [RTLD_PRIVATE_ERRNO]: + Use PC-relative access for errno. + * sysdeps/unix/sysv/linux/x86_64/sysdep.h + [RTLD_PRIVATE_ERRNO] (SYSCALL_ERROR_HANDLER): Likewise. + + * include/tls.h: New file. + (USE___THREAD): New macro. + Define to 1 under [USE_TLS && HAVE___THREAD] and only when compiling + libc or libpthread. + * sysdeps/unix/sysv/linux/i386/sysdep.h [USE___THREAD]: Conditional + changed from [USE_TLS && HAVE___THREAD]. + * sysdeps/unix/sysv/linux/x86_64/sysdep.h: Likewise. + * sysdeps/unix/i386/sysdep.S: Likewise. + * sysdeps/unix/x86_64/sysdep.S: Likewise. + * include/errno.h: Likewise. + * include/netdb.h: Likewise. + * include/resolv.h: Likewise. + + * sysdeps/generic/errno.c: New file. + * csu/Makefile (aux): New variable, list errno. + * sysdeps/unix/sysv/linux/i386/sysdep.S (errno, _errno): Remove defns. + * sysdeps/unix/sysv/linux/m68k/sysdep.S: Likewise. + * sysdeps/unix/sysv/linux/x86_64/sysdep.S: Likewise. + * sysdeps/unix/sysv/linux/s390/s390-64/sysdep.S: Likewise. + * sysdeps/unix/sysv/linux/s390/s390-32/sysdep.S: Likewise. + * sysdeps/unix/sysv/linux/arm/sysdep.S: Likewise. + * sysdeps/unix/sysv/linux/cris/sysdep.S: Likewise. + * sysdeps/unix/sysv/linux/hppa/sysdep.c: Likewise. + * sysdeps/unix/sysv/linux/ia64/sysdep.S: Likewise. + * sysdeps/unix/sysv/linux/powerpc/sysdep.c: Likewise. + * sysdeps/unix/sysv/linux/sparc/sysdep.S: Likewise. + * sysdeps/unix/sysv/linux/sh/sysdep.S: Likewise. + * sysdeps/unix/alpha/sysdep.S: Likewise. + * sysdeps/generic/start.c: Likewise. + * sysdeps/unix/start.c: Likewise. + * sysdeps/unix/arm/start.c: Likewise. + * sysdeps/unix/bsd/ultrix4/mips/start.S: Likewise. + * sysdeps/unix/sparc/start.c: Likewise. + * sysdeps/unix/sysv/irix4/start.c: Likewise. + * sysdeps/unix/sysv/linux/mips/sysdep.S: File removed. + + * manual/search.texi (Tree Search Function, Hash Search Function): + Mention search.h clearly. + +2002-10-05 Roland McGrath <roland@redhat.com> + + * elf/dl-fxstat64.c: File removed. + * elf/dl-xstat64.c: File removed. + * elf/Makefile (rtld-routines): Remove them. + * sysdeps/unix/sysv/linux/xstat64.c: Remove RTLD_STAT64 conditionals. + Instead, use strong_alias instead of versioned_symbol in the + !SHLIB_COMPAT case. + * sysdeps/unix/sysv/linux/fxstat64.c: Likewise. + * sysdeps/unix/sysv/linux/lxstat64.c: Likewise. + + * include/shlib-compat.h + (SHLIB_COMPAT): Require that IS_IN_##lib be defined nonzero. + [! NOT_IN_libc] (IS_IN_libc): Define it. + * cppflags-iterator.mk (CPPFLAGS-$(cpp-src)): Use -Dx=1 not just -Dx. + * elf/Makefile (CPPFLAGS-.os): Likewise. + + * sunrpc/rpc_main.c (main): Don't declare with noreturn attribute. + Return the status instead of calling exit. + + * Makeconfig (CFLAGS): Prepend -std=gnu99. + * Makerules (+make-deps): Use $(CFLAGS) only for .c sources. + Remove superfluous rm command, whose @ plus make bugs hid + all these commands from the make output. + + * include/stubs-prologue.h: New file. Give #error under #ifdef _LIBC. + * Makefile ($(inst_includedir)/gnu/stubs.h): Depend on it. + Use that file's contents instead of literal echo's for the prologue. + * include/features.h: Include <gnu/stubs.h> unconditionally. + * include/gnu/stubs.h: New file. + +2002-09-30 Roland McGrath <roland@redhat.com> + + * elf/rtld-Rules: New file. + * elf/Makefile ($(objpfx)librtld.map, $(objpfx)librtld.mk, + $(objpfx)rtld-libc.a): New targets. + (generated): Add them. + (reloc-link): Remove -o $@ from the variable. + ($(objpfx)dl-allobjs.os): Add -o $@ after $(reloc-link). + (distribute): Add rtld-Rules. + (CPPFLAGS-.os): Define this instead of CFLAGS-.os. + * Makerules ($(+sysdir_pfx)sysd-rules): Emit rules for rtld-% targets. + (common-mostlyclean, common-clean): Clean up rtld-* files. + * sysdeps/unix/make-syscalls.sh: Add rtld-*.os target name to rules. + 2002-10-11 Roland McGrath <roland@redhat.com> * sysdeps/generic/dl-tls.c (__tls_get_addr): After freeing block in diff --git a/Makeconfig b/Makeconfig index 75dcf38e23..dd03ae803e 100644 --- a/Makeconfig +++ b/Makeconfig @@ -627,11 +627,15 @@ endif # $(+cflags) == "" libio-include = -I$(..)libio # These are the variables that the implicit compilation rules use. +# Note that we can't use -std=* in CPPFLAGS, because it overrides +# the implicit -lang-asm and breaks cpp behavior for .S files--notably +# it causes cpp to stop predefining __ASSEMBLER__. CPPFLAGS = $($(subdir)-CPPFLAGS) $(+includes) $(defines) \ -include $(..)include/libc-symbols.h $(sysdep-CPPFLAGS) \ $(CPPFLAGS-$(suffix $@)) $(CPPFLAGS-$(<F)) $(CPPFLAGS-$(@F)) \ $(CPPFLAGS-$(patsubst %$(suffix $@),%,$(@F))) -override CFLAGS = $(filter-out %frame-pointer,$(+cflags)) $(sysdep-CFLAGS) \ +override CFLAGS = -std=gnu99 \ + $(filter-out %frame-pointer,$(+cflags)) $(sysdep-CFLAGS) \ $(CFLAGS-$(suffix $@)) $(CFLAGS-$(<F)) $(CFLAGS-$(@F)) # If everything is compiled with -fPIC (implicitly) we must tell this by diff --git a/bits/libc-tsd.h b/bits/libc-tsd.h index 1954b20334..cc2c2c1219 100644 --- a/bits/libc-tsd.h +++ b/bits/libc-tsd.h @@ -51,7 +51,7 @@ We don't define an enum for the possible key values, because the KEYs translate directly into variables by macro magic. */ -#if USE_TLS && HAVE___THREAD +#if USE___THREAD # define __libc_tsd_define(CLASS, KEY) CLASS __thread void *__libc_tsd_##KEY; # define __libc_tsd_address(KEY) (&__libc_tsd_##KEY) diff --git a/cppflags-iterator.mk b/cppflags-iterator.mk index 790d345a0a..26db7b042e 100644 --- a/cppflags-iterator.mk +++ b/cppflags-iterator.mk @@ -4,4 +4,4 @@ cpp-src := $(firstword $(cpp-srcs-left)) cpp-srcs-left := $(filter-out $(cpp-src),$(cpp-srcs-left)) -CPPFLAGS-$(cpp-src) += -DNOT_IN_libc -DIS_IN_$(lib) +CPPFLAGS-$(cpp-src) += -DNOT_IN_libc=1 -DIS_IN_$(lib)=1 diff --git a/csu/Makefile b/csu/Makefile index c0a06e3867..a71649ed6e 100644 --- a/csu/Makefile +++ b/csu/Makefile @@ -28,6 +28,7 @@ subdir := csu routines = init-first libc-start $(libc-init) sysdep version check_fds \ libc-tls +aux = errno elide-routines.os = libc-tls csu-dummies = $(filter-out $(start-installed-name),crt1.o Mcrt1.o) extra-objs = start.o gmon-start.o \ diff --git a/elf/Makefile b/elf/Makefile index 5470728ae7..5fdcec46df 100644 --- a/elf/Makefile +++ b/elf/Makefile @@ -23,7 +23,7 @@ subdir := elf headers = elf.h bits/elfclass.h link.h routines = $(dl-routines) dl-open dl-close dl-support dl-iteratephdr \ dl-iteratephdr-static dl-addr enbl-secure dl-profstub \ - dl-origin dl-libc dl-sym + dl-origin dl-libc dl-sym dl-tsd # The core dynamic linking functions are in libc for the static and # profiled libraries. @@ -37,11 +37,11 @@ elide-routines.os = $(all-dl-routines) dl-support enbl-secure \ # ld.so uses those routines, plus some special stuff for being the program # interpreter and operating independent of libc. -rtld-routines := rtld $(dl-routines) dl-sysdep dl-environ dl-minimal \ - dl-xstat64 dl-fxstat64 +rtld-routines := rtld $(dl-routines) dl-sysdep dl-environ dl-minimal all-rtld-routines = $( |