mirror of
https://sourceware.org/git/glibc.git
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Remove bounded-pointers build system support.
This commit is contained in:
Joseph Myers
parent
2bdd4ca6b6
commit
daaa7713e9
51
ChangeLog
51
ChangeLog
@ -1,3 +1,54 @@
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2013-02-15 Joseph Myers <joseph@codesourcery.com>
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[BZ #13550]
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* Makeconfig [!+link-bounded] (+link-bounded): Remove variable.
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[!link-extra-libs] (link-extra-libs-bounded): Likewise.
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(run-via-rtld-prefix): Do not handle %-bp tests.
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(test-via-rtld-prefix): Do not mention %-bp tests in comment.
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(all-object-suffixes): Remove .ob.
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(bppfx): Remove variable.
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[$(build-bounded) = yes] (object-suffixes): Do not add .ob.
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[$(build-bounded) = yes] (CPPFLAGS-.ob): Remove variable.
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[$(build-bounded) = yes] (CFLAGS-.ob): Likewise.
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[$(build-bounded) = yes] (libtype.ob): Likewise.
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* Makerules (elide-routines.ob): Remove variable.
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(do-tests-clean): Do not handle *-bp.out.
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(common-mostlyclean): Do not handle *-bp and *-bp.out.
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* Rules [$(build-bounded) = yes] (tests-bp.out): Remove variable.
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[$(build-bounded) = yes] (xtests-bp.out): Likewise.
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(tests): Do not include $(tests-bp.out).
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(xtests): Do not include $(xtests-bp.out).
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[$(build-bounded) = yes] (binaries-bounded): Remove variable.
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[$(build-bounded) = yes] ($(addprefix
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$(objpfx),$(binaries-bounded))): Remove rule.
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($(objpfx)%-bp.out): Remove rule.
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* config.make.in (build-bounded): Remove variable.
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* crypt/Makefile [$(build-bounded) = yes]
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($(tests:%=$(objpfx)%-bp)): Remove dependency.
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* csu/Makefile [$(build-bounded) = yes] (extra-objs): Do not
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append to variable.
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[$(build-bounded) = yes] (install-lib): Likewise.
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[$(build-bounded) = yes] (generated): Likewise.
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[!start-installed-name-rule] ($(objpfx)b$(start-installed-name)):
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Remove rule.
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* intl/Makefile [$(build-bounded) = yes]
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($(multithread-test-srcs:%=$(objpfx)%-bp)): Remove dependency.
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* math/Makefile [$(build-bounded) = yes]
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($(tests:%=$(objpfx)%-bp): Likewise.
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* misc/Makefile [$(build-bounded) = yes]
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($(objpfx)tst-tsearch-bp): Likewise.
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* nptl/Makeconfig (bounded-thread-library): Remove variable.
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* rt/Makefile [$(build-bounded) = yes] ($(tests:%=$(objpfx)%-bp)):
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Remove dependency.
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* string/Makefile (o-objects.ob): Remove variable.
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* sysdeps/i386/i686/Makefile [$(config-asflags-i686) = yes]
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(CFLAGS-.ob): Remove variable.
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[$(config-asflags-i686) = yes] (ASFLAGS-.ob): Likewise.
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* sysdeps/sparc/sparc32/sparcv9/Makefile (ASFLAGS-.ob): Remove
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both definitions of variable.
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* sysdeps/sparc/sparc64/Makefile [$(have-as-vis3) = yes]
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(ASFLAGS-.ob): Remove variable.
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2013-02-14 Joseph Myers <joseph@codesourcery.com>
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[BZ #13550]
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41
Makeconfig
41
Makeconfig
@ -435,18 +435,6 @@ else
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+link-tests = $(+link-static-tests)
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endif
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endif
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# Command for statically linking bounded-pointer programs with the C library.
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ifndef +link-bounded
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+link-bounded = $(CC) -nostdlib -nostartfiles -static -fbounded-pointers -o $@ \
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$(sysdep-LDFLAGS) $(LDFLAGS) \
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$(addprefix $(csu-objpfx),b$(static-start-installed-name)) \
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$(+preinit) $(+prectorT) \
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$(filter-out $(addprefix $(csu-objpfx),start.ob \
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$(start-installed-name))\
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$(+preinit) $(link-extra-libs-bounded) \
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$(common-objpfx)libc% $(+postinit),$^) \
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$(link-extra-libs-bounded) $(link-libc-bounded) $(+postctorT) $(+postinit)
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endif
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ifeq (yes,$(build-shared))
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ifndef rtld-LDFLAGS
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rtld-LDFLAGS = -Wl,-dynamic-linker=$(slibdir)/$(rtld-installed-name)
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@ -506,13 +494,11 @@ endif
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ifndef link-extra-libs
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link-extra-libs = $(LDLIBS-$(@F))
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link-extra-libs-static = $(link-extra-libs)
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link-extra-libs-bounded = $(link-extra-libs)
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endif
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# The static libraries.
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link-libc-static = -Wl,--start-group $(common-objpfx)libc.a $(static-gnulib) -Wl,--end-group
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link-libc-static-tests = -Wl,--start-group $(common-objpfx)libc.a $(static-gnulib-tests) -Wl,--end-group
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link-libc-bounded = $(common-objpfx)libc_b.a $(gnulib) $(common-objpfx)libc_b.a
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# How to link against libgcc. Some libgcc functions, such as those
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# for "long long" arithmetic or software floating point, can always be
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@ -617,12 +603,11 @@ $(subst $(empty) ,:,$(strip $(patsubst -Wl$(comma)-rpath-link=%, %,\
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# $(run-via-rtld-prefix) is a command that, when prepended to the name
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# of a program built with the newly built library, produces a command
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# that, executed on the host for which the library is built, runs that
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# program. For the statically-linked %-bp test programs, and for
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# tests listed in tests-static or xtests-static, it is empty.
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# program. For tests listed in tests-static or xtests-static, it is
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# empty.
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run-via-rtld-prefix = \
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$(if $(strip $(filter $(notdir $(built-program-file)), \
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$(tests-static) $(xtests-static)) \
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$(filter %-bp,$(built-program-file))),, \
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$(tests-static) $(xtests-static))),, \
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$(elf-objpfx)$(rtld-installed-name) \
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--library-path $(rpath-link)$(patsubst %,:%,$(sysdep-library-path)))
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else
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@ -652,9 +637,9 @@ endif
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# $(test-via-rtld-prefix) is a command that, when prepended to the name
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# of a test program built with the newly built library, produces a command
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# that, executed on the host for which the library is built, runs that
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# program. For the statically-linked %-bp test programs, and for
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# tests listed in tests-static or xtests-static as well as when test
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# programs are hardcoded to the newly built libraries, it is empty.
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# program. For tests listed in tests-static or xtests-static as well
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# as when test programs are hardcoded to the newly built libraries, it
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# is empty.
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# $(test-program-prefix) is a command that, when prepended to the name
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# of a test program built with the newly built library, produces a command
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@ -817,7 +802,7 @@ endif
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# The compilation rules use $(CPPFLAGS-${SUFFIX}) and $(CFLAGS-${SUFFIX})
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# to pass different flags for each flavor.
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libtypes = $(foreach o,$(object-suffixes-for-libc),$(libtype$o))
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all-object-suffixes := .o .os .op .og .ob .oS
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all-object-suffixes := .o .os .op .og .oS
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object-suffixes :=
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CPPFLAGS-.o = $(pic-default)
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CFLAGS-.o = $(filter %frame-pointer,$(+cflags))
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@ -852,18 +837,6 @@ endif
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# differently from the rest.
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object-suffixes-noshared := $(filter-out .os,$(object-suffixes))
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bppfx = BP-
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ifeq (yes,$(build-bounded))
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# Under --enable-bounded, we build the library with `-fbounded-pointers -g'
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# to runtime bounds checking. The bounded-pointer objects are named foo.ob.
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# We disable sibling-call optimizations so that stack traces will be complete
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# and thus aid debugging, since after all, BPs are a debugging tool.
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object-suffixes += .ob
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CPPFLAGS-.ob = -fbounded-pointers $(pic-default)
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CFLAGS-.ob = -g -O2 -fno-optimize-sibling-calls -fno-strict-aliasing
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libtype.ob = lib%_b.a
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endif
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object-suffixes-for-libc := $(object-suffixes)
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ifeq (yes,$(build-shared))
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11
Makerules
11
Makerules
@ -418,7 +418,6 @@ elide-routines.os += $(static-only-routines)
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elide-routines.o += $(shared-only-routines)
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elide-routines.op += $(shared-only-routines)
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elide-routines.og += $(shared-only-routines)
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elide-routines.ob += $(shared-only-routines)
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# Shared library building.
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@ -1265,9 +1264,7 @@ mostlyclean: common-mostlyclean
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do-tests-clean:
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-rm -f $(addprefix $(objpfx),$(addsuffix .out,$(tests) $(xtests) \
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$(test-srcs)) \
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$(addsuffix -bp.out,$(tests) $(xtests) \
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$(test-srcs)))
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$(test-srcs)))
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# Remove the object files.
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common-mostlyclean:
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@ -1276,12 +1273,8 @@ common-mostlyclean:
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$(addsuffix .o,$(tests) $(xtests) \
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$(test-srcs) $(others) \
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$(sysdep-others)) \
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$(addsuffix -bp,$(tests) $(xtests) \
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$(test-srcs)) \
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$(addsuffix .out,$(tests) $(xtests) \
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$(test-srcs)) \
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$(addsuffix -bp.out,$(tests) $(xtests) \
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$(test-srcs)))
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$(test-srcs)))
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-rm -f $(addprefix $(objpfx),$(extra-objs) $(extra-test-objs) \
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$(install-lib) $(install-lib.so) \
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$(install-lib.so:%.so=%_pic.a))
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18
Rules
18
Rules
@ -98,12 +98,8 @@ ifeq ($(run-built-tests),no)
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tests: $(addprefix $(objpfx),$(tests) $(test-srcs))
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xtests: tests
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else
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ifeq ($(build-bounded),yes)
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tests-bp.out = $(tests:%=$(objpfx)%-bp.out)
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xtests-bp.out = $(xtests:%=$(objpfx)%-bp.out)
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endif
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tests: $(tests:%=$(objpfx)%.out) $(tests-bp.out)
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xtests: tests $(xtests:%=$(objpfx)%.out) $(xtests-bp.out)
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tests: $(tests:%=$(objpfx)%.out)
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xtests: tests $(xtests:%=$(objpfx)%.out)
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endif
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ifeq ($(build-programs),yes)
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@ -179,14 +175,6 @@ $(addprefix $(objpfx),$(binaries-static-tests)): %: %.o \
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$(+link-static-tests)
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endif
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ifeq ($(build-bounded),yes)
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binaries-bounded = $(addsuffix -bp,$(tests) $(xtests) $(test-srcs))
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$(addprefix $(objpfx),$(binaries-bounded)): %-bp: %.ob \
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$(sort $(filter $(common-objpfx)lib%,$(link-libc-bounded))) \
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$(addprefix $(csu-objpfx),start.ob) $(+preinit) $(+postinit)
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$(+link-bounded)
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endif
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ifneq "$(strip $(tests) $(xtests) $(test-srcs))" ""
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# These are the implicit rules for making test outputs
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# from the test programs and whatever input files are present.
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@ -194,8 +182,6 @@ ifneq "$(strip $(tests) $(xtests) $(test-srcs))" ""
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make-test-out = $(test-wrapper-env) \
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GCONV_PATH=$(common-objpfx)iconvdata LC_ALL=C \
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$($*-ENV) $(host-test-program-cmd) $($*-ARGS)
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$(objpfx)%-bp.out: %.input $(objpfx)%-bp
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$(make-test-out) > $@ < $(word 1,$^)
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$(objpfx)%.out: %.input $(objpfx)%
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$(make-test-out) > $@ < $(word 1,$^)
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$(objpfx)%.out: /dev/null $(objpfx)% # Make it 2nd arg for canned sequence.
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@ -91,7 +91,6 @@ nss-crypt = @libc_cv_nss_crypt@
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build-shared = @shared@
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build-pic-default= @libc_cv_pic_default@
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build-profile = @profile@
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build-bounded = no
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build-static-nss = @static_nss@
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add-ons = @add_ons@
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add-on-subdirs = @add_on_subdirs@
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@ -69,9 +69,6 @@ $(addprefix $(objpfx),$(tests)): $(objpfx)libcrypt.so
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else
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$(addprefix $(objpfx),$(tests)): $(objpfx)libcrypt.a
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endif
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ifeq (yes,$(build-bounded))
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$(tests:%=$(objpfx)%-bp): $(objpfx)libcrypt_b.a
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endif
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# Depend on libc.so so a DT_NEEDED is generated in the shared objects.
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# This ensures they will load libc.so for needed symbols if loaded by
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@ -53,12 +53,6 @@ install-lib += S$(start-installed-name)
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generated += start.os
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endif
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ifeq (yes,$(build-bounded))
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extra-objs += b$(start-installed-name)
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install-lib += b$(start-installed-name)
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generated += start.ob
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endif
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ifneq ($(start-installed-name),$(static-start-installed-name))
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extra-objs += $(static-start-installed-name) g$(static-start-installed-name)
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omit-deps += $(patsubst %.o,%,$(static-start-installed-name) \
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@ -98,9 +92,6 @@ $(objpfx)$(start-installed-name): $(objpfx)start.o $(objpfx)abi-note.o \
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$(objpfx)S$(start-installed-name): $(objpfx)start.os $(objpfx)abi-note.o \
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$(objpfx)init.o
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$(link-relocatable)
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$(objpfx)b$(start-installed-name): $(objpfx)start.ob $(objpfx)abi-note.ob \
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$(objpfx)init.ob
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$(link-relocatable)
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endif
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# The profiling startfile is made by linking together the normal
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@ -117,9 +117,6 @@ $(addprefix $(objpfx),$(multithread-test-srcs)): $(shared-thread-library)
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else
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$(addprefix $(objpfx),$(multithread-test-srcs)): $(static-thread-library)
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endif
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ifeq (yes,$(build-bounded))
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$(multithread-test-srcs:%=$(objpfx)%-bp): $(bounded-thread-library)
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endif
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endif
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$(objpfx)tst-translit.out: $(objpfx)tst-gettext.out
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@ -193,9 +193,6 @@ $(addprefix $(objpfx),$(tests)): $(objpfx)libm.so$(libm.so-version)
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else
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$(addprefix $(objpfx),$(tests)): $(objpfx)libm.a
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endif
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ifeq ($(build-bounded),yes)
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$(tests:%=$(objpfx)%-bp): $(objpfx)libm_b.a
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endif
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gmp-objs = $(patsubst %,$(common-objpfx)stdlib/%.o,\
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add_n sub_n cmp addmul_1 mul_1 mul_n divmod_1 \
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@ -109,10 +109,6 @@ else
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$(objpfx)tst-tsearch: $(common-objpfx)math/libm.a
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endif
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ifeq ($(build-bounded),yes)
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$(objpfx)tst-tsearch-bp: $(common-objpfx)math/libm_b.a
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endif
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tst-error1-ENV = MALLOC_TRACE=$(objpfx)tst-error1.mtrace
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tst-error1-ARGS = $(objpfx)tst-error1.out
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$(objpfx)tst-error1-mem: $(objpfx)tst-error1.out
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@ -24,7 +24,6 @@ have-thread-library = yes
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shared-thread-library = $(common-objpfx)nptl/libpthread_nonshared.a \
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$(common-objpfx)nptl/libpthread.so
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static-thread-library = $(common-objpfx)nptl/libpthread.a
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bounded-thread-library = $(common-objpfx)nptl/libpthread_b.a
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rpath-dirs += nptl
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@ -76,8 +76,5 @@ $(addprefix $(objpfx),$(tests)): $(objpfx)librt.so $(shared-thread-library)
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else
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$(addprefix $(objpfx),$(tests)): $(objpfx)librt.a $(static-thread-library)
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endif
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ifeq (yes,$(build-bounded))
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$(tests:%=$(objpfx)%-bp): $(objpfx)librt_b.a $(bounded-thread-library)
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endif
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tst-mqueue7-ARGS = -- $(host-test-program-cmd)
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@ -41,10 +41,6 @@ routines := strcat strchr strcmp strcoll strcpy strcspn \
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strcoll_l strxfrm_l string-inlines memrchr \
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xpg-strerror strerror_l
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# Gcc internally generates calls to unbounded memcpy and memset
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# for -fbounded-pointer compiles. Glibc uses memchr for explicit checks.
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o-objects.ob := memcpy.o memset.o memchr.o
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strop-tests := memchr memcmp memcpy memmove mempcpy memset memccpy \
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stpcpy stpncpy strcat strchr strcmp strcpy strcspn \
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strlen strncmp strncpy strpbrk strrchr strspn memmem \
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@ -15,13 +15,11 @@ CFLAGS-.o += -Wa,-mtune=i686
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CFLAGS-.os += -Wa,-mtune=i686
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CFLAGS-.op += -Wa,-mtune=i686
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CFLAGS-.og += -Wa,-mtune=i686
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CFLAGS-.ob += -Wa,-mtune=i686
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CFLAGS-.oS += -Wa,-mtune=i686
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ASFLAGS-.o += -Wa,-mtune=i686
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ASFLAGS-.os += -Wa,-mtune=i686
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ASFLAGS-.op += -Wa,-mtune=i686
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ASFLAGS-.og += -Wa,-mtune=i686
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ASFLAGS-.ob += -Wa,-mtune=i686
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ASFLAGS-.oS += -Wa,-mtune=i686
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endif
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@ -10,13 +10,11 @@ ASFLAGS-.o += -Wa,-Av9d
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ASFLAGS-.os += -Wa,-Av9d
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ASFLAGS-.op += -Wa,-Av9d
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ASFLAGS-.og += -Wa,-Av9d
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ASFLAGS-.ob += -Wa,-Av9d
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ASFLAGS-.oS += -Wa,-Av9d
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else
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ASFLAGS-.o += -Wa,-Av9a
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ASFLAGS-.os += -Wa,-Av9a
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ASFLAGS-.op += -Wa,-Av9a
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ASFLAGS-.og += -Wa,-Av9a
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ASFLAGS-.ob += -Wa,-Av9a
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ASFLAGS-.oS += -Wa,-Av9a
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endif
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@ -12,6 +12,5 @@ ASFLAGS-.o += -Wa,-Av9d
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ASFLAGS-.os += -Wa,-Av9d
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ASFLAGS-.op += -Wa,-Av9d
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ASFLAGS-.og += -Wa,-Av9d
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ASFLAGS-.ob += -Wa,-Av9d
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ASFLAGS-.oS += -Wa,-Av9d
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endif
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