2013-08-08 Vladimir Makarov <vmakarov@redhat.com>
* lra-constraints.c (emit_spill_move): Remove assert.
(process_alt_operands): Add more debugging
output. Increase reject for spilling into memory. Decrease
reject for reloading scratch.
(split_reg): Use HARD_REGNO_CALLER_SAVE_MODE.
From-SVN: r201611
gcc/
PR rtl-optimization/58079
* combine.c (combine_simplify_rtx): Avoid using SUBST if
simplify_comparison has widened a comparison with an integer.
gcc/testsuite/
* gcc.dg/torture/pr58079.c: New test.
From-SVN: r201609
* gcc-interface/Makefile.in (TOOLS_LIBS): Pick C object files from the
compiler build and use standard library variables.
(../../vxaddr2line$(exeext): Do not depend on targext.o and adjust.
(gnatmake-re): Do not depend on targext.o.
(gnatlink-re): Do not depend on link.o and targext.o.
(../../gnatmake$(exeext): Likewise.
(../../gnatlink$(exeext): Likewise.
From-SVN: r201602
PR target/56979
* arm.c (aapcs_vfp_allocate): Decompose the argument if the
suggested mode for the assignment isn't compatible with the
registers required.
From-SVN: r201598
* rtl.h (update_alignments): Declare.
* final.c (grow_label_align): New function extracted from...
(shorten_branches): ...here. Call it.
(update_alignments): New function.
* reorg.c (sibling_labels): New variable.
(get_label_before): Add SIBLING parameter. If it is non-zero, push
the new label along with it onto the sibling_labels vector.
(fill_simple_delay_slots): Adjust call to get_label_before.
(fill_slots_from_thread): Likewise.
(relax_delay_slots): Likewise.
(make_return_insns): Likewise.
(dbr_schedule): Invoke update_alignment on the sibling_labels vector.
From-SVN: r201575
* diagnostic.c (diagnostic_classify_diagnostic): Accept zero index and
document its semantics.
(diagnostic_report_diagnostic): Adjust accordingly.
From-SVN: r201574
2013-08-07 David Malcolm <dmalcolm@redhat.com>
* config/sparc/sparc.c (insert_pass_work_around_errata): Move
into...
(sparc_option_override): ...and port to new C++ pass API.
* config/sparc/t-sparc (sparc.o): Add dep on CONTEXT_H
From-SVN: r201569
Commit the vtable verification feature. This feature is designed to
detect, at run time, if/when the vtable pointer in a C++ object has
been corrupted, before allowing virtual calls through that pointer.
If pointer corruption is detected, execution of the program is halted.
libstdc++-v3 ChangeLog:
2013-08-06 Caroline Tice <cmtice@google.com>
* fragment.am: Add XTEMPLATE_FLAGS.
* configure.ac: Add definitions for --enable-vtable-verify.
* acinclude.m4: Add --enable-vtable-verify and
--disable-vtable-verify; define --enable-vtable-verify; define
VTV_CXXFLAGS, VTV_PCH_CXXFLAGS and VTV_CXXLINKFLAGS.
* config/abi/pre/gnu.ver: Export symbols for vtable verification.
* libsupc++/Makefile.am: Define vtv_sources and add it to
libsupc___la_SOURCES and libsupc__convenience_la_SOURCES.
* libsupc++/vtv_stubs.cc: New file.
* include/Makefile.am: Add VTV_PCH_CXXFLAGS to PCHFLAGS.
* src/Makefile.am: Add VTV_CXXFLAGS to AM_CXXFLAGS; add
VTV_CXXLINKFLAGS to CXXLINK.
* src/c++98/Makefile.am: Comment out XTEMPLATE_FLAGS; add VTV_CXXFLAGS
to AM_CXXFLAGS; add VTV_CXXXLINKFLAGS to CXXLINK.
* src/C++11/Makefile.am: Ditto.
* doc/xml/manual/configure.xml: Add entry for --enable-vtable-verify.
* scripts/testsuite_flags.in: Add cxxvtvflags to Usage; cause
cxxvtvflags to use VTV_CXXFLAGS and VTV_CXXLINKFLAGS.
* testsuite/lib/libstdc++.exp: Add cxxvtvflags; add code to locate
libvtv if --enable-vtable-verify was used; set cxxvtvflags; add
cxxvtvflags to cxx_final.
* testsuite/18_support/bad_exception/23591_thread-1.c: Add
-fvtable-verify=none to compiler flags.
* testsuite/17_intro/freestanding.cc: Add -fvtable-verify=none
to compiler flags.
* configure: Regenerated.
* Makefile.in: Regenerated.
* python/Makefile.in: Regenerated.
* include/Makefile.in: Regenerated.
* libsupc++/Makefile.in: Regenerated.
* config.h.in: Regenerated.
* po/Makefile.in: Regenerated.
* src/Makefile.in: Regenerated.
* src/c++98/Makefile.in: Regenerated.
* src/c++11/Makefile.in: Regenerated.
* doc/Makefile.in: Regenerated.
* testsuite/Makefile.in: Regenerated.
top level ChangeLog:
2013-08-06 Caroline Tice <cmtice@google.com>
* configure.ac: Add target-libvtv to target_libraries; disable libvtv
on non-linux systems; add target-libvtv to noconfigdirs; add
libsupc++/.libs to C++ library search paths.
* configure: Regenerated.
* Makefile.def: Add libvtv to target_modules; make libvtv depend on
libstdc++ and libgcc.
* Makefile.in: Regenerated.
include/ChangeLog:
2013-08-06 Caroline Tice <cmtice@google.com>
* vtv-change-permission.h: New file.
contrib/ChangeLog:
2013-08-06 Caroline Tice4 <cmtice@google.com>
* gcc_update: Add libvtv files.
libgcc/ChangeLog:
2013-08-06 Caroline Tice <cmtice@google.com>
config.host (extra_parts): Add vtv_start.o, vtv_end.o
vtv_start_preinit.o and vtv_end_preinit.o.
configure.ac: Add code to check/set enable_vtable_verify.
Makefile.in: Add rules to build vtv_*.o, if enable_vtable_verify is
true.
vtv_start_preinit.c: New file.
vtv_end_preinit.c: New file.
vtv_start.c: New file.
vtv_end.c: New file.
configure: Regenerated.
gcc/ChangeLog:
2013-08-06 Caroline Tice <cmtice@google.com>
* gcc.c (VTABLE_VERIFICATION_SPEC): New definition.
(LINK_COMMAND_SPEC): Add VTABLE_VERIFICATION_SPEC.
* tree-pass.h: Add pass_vtable_verify.
* varasm.c (assemble_variable): Add code to properly set the comdat
section and name for the .vtable_map_vars section.
(assemble_vtyv_preinit_initializer): New function.
(default_sectin_type_flags): Make sure .vtable_map_vars section has
LINK_ONCE flag.
* output.h: Add function decl for assemble_vtv_preinit_initializer.
* vtable-verify.c: New file.
* vtable-verify.h: New file.
* flag-types.h (enum vtv_priority): Defintions for flag_vtable_verify
initialiation levels.
* timevar.def (TV_VTABLE_VERIFICATION): New definition.
* passes.def: Insert pass_vtable_verify.
* aclocal.m4: Reorder includes.
* doc/invoke.texi: Add documentation for the flags -fvtable-verify=,
-fvtv-debug and -fvtv-counts.
* config/gnu-user.h (GNU_USER_TARGET_STARTFILE_SPEC): Add vtv_start*.o,
as appropriate, if -fvtable-verify=... is used.
(GNU_USER_TARGET_ENDFILE_SPEC): Add vtv_end*.o as appropriate, if
-fvtable-verify=... is used.
* Makefile.in (OBJS): Add vtable-verify.o to list.
(vtable-verify.o): Add new build rule.
(GTFILES): Add vtable-verify.c to list.
* common.opt (fvtable-verify=): New flag.
(vtv_priority): Values for fvtable-verify= flag.
(fvtv-counts): New flag.
(fvtv-debug): New flag.
* tree.h (save_vtable_map_decl): New extern function decl.
gcc/cp/ChangeLog:
2013-08-06 Caroline Tice <cmtice@google.com>
* Make-lang.in (*CXX_AND_OBJCXX_OBJS): Add vtable-class-hierarchy.o to
list.
(vtable-class-hierarchy.o): Add build rule.
* cp-tree.h (vtv_start_verification_constructor_init_function): New
extern function decl.
(vtv_finish_verification_constructor_init_function): New extern
function decl.
(build_vtbl_address): New extern function decl.
(get_mangled_vtable_map_var_name): New extern function decl.
(vtv_compute_class_hierarchy_transitive_closure): New extern function
decl.
(vtv_generate_init_routine): New extern function decl.
(vtv_save_class_info): New extern function decl.
(vtv_recover_class_info): New extern function decl.
(vtv_build_vtable_verify_fndecl): New extern function decl.
* class.c (finish_struct_1): Add call to vtv_save_class_info if
flag_vtable_verify is true.
* config-lang.in: Add vtable-class-hierarchy.c to gtfiles list.
* vtable-class-hierarchy.c: New file.
* mangle.c (get_mangled_vtable_map_var_name): New function.
* decl2.c (start_objects): Update function comment.
(cp_write_global_declarations): Call vtv_recover_class_info,
vtv_compute_class_hierarchy_transitive_closure and
vtv_build_vtable_verify_fndecl, before calling
finalize_compilation_unit, and call vtv_generate_init_rount after, IFF
flag_vtable_verify is true.
(vtv_start_verification_constructor_init_function): New function.
(vtv_finish_verification_constructor_init_function): New function.
* init.c (build_vtbl_address): Remove static qualifier from function.
libvtv/ChangeLog:
2013-08-06 Caroline Tice <cmtice@google.com>
Initial check-in of new vtable verification feature.
* configure.ac : New file.
* acinclude.m4 : New file.
* Makefile.am : New file.
* aclocal.m4 : New file.
* configure.tgt : New file.
* configure: New file (generated).
* Makefile.in: New file (generated).
* vtv_set.h : New file.
* vtv_utils.cc : New file.
* vtv_utils.h : New file.
* vtv_malloc.cc : New file.
* vtv_rts.cc : New file.
* vtv_malloc.h : New file.
* vtv_rts.h : New file.
* vtv_fail.cc : New file.
* vtv_fail.h : New file.
* vtv_map.h : New file.
* scripts/run-testsuite.sh : New file.
* scripts/sum-vtv-counts.c : New file.
* testsuite/parts-test-main.h : New file.
* testusite/dataentry.cc : New file.
* testsuite/temp_deriv.cc : New file.
* testsuite/register_pair.cc : New file.
* testsuite/virtual_inheritance.cc : New file.
* testsuite/field-test.cc : New file.
* testsuite/nested_vcall_test.cc : New file.
* testsuite/template-list-iostream.cc : New file.
* testsuite/register_pair_inserts.cc : New file.
* testsuite/register_pair_inserts_mt.cc : New file.
* testsuite/event.list : New file.
* testsuite/parts-test-extra-parts-views.cc : New file.
* testsuite/parts-test-extra-parts-views.h : New file.
* testsuite/environment-fail-32.s : New file.
* testsuite/parts-test-extra-parts.h : New file.
* testsuite/temp_deriv2.cc : New file.
* testsuite/dlopen_mt.cc : New file.
* testsuite/event.h : New file.
* testsuite/template-list.cc : New file.
* testsuite/replace-fail.cc : New file.
* testsuite/Makefile.am : New file.
* testsuite/Makefile.in: New file (generated).
* testsuite/mempool_negative.c : New file.
* testsuite/parts-test-main.cc : New file.
* testsuite/event-private.cc : New file.
* testsuite/thunk.cc : New file.
* testsuite/event-defintiions.cc : New file.
* testsuite/event-private.h : New file.
* testsuite/parts-test.list : New file.
* testusite/register_pair_mt.cc : New file.
* testsuite/povray-derived.cc : New file.
* testsuite/event-main.cc : New file.
* testsuite/environment.cc : New file.
* testsuite/template-list2.cc : New file.
* testsuite/thunk_vtable_map_attack.cc : New file.
* testsuite/parts-test-extra-parts.cc : New file.
* testsuite/environment-fail-64.s : New file.
* testsuite/dlopen.cc : New file.
* testsuite/so.cc : New file.
* testsuite/temp_deriv3.cc : New file.
* testsuite/const_vtable.cc : New file.
* testsuite/mempool_positive.c : New file.
* testsuite/dup_name.cc : New file.
From-SVN: r201555
2013-08-07 David Malcolm <dmalcolm@redhat.com>
* config/rl78/rl78.c (rl78_devirt_pass): Convert from a struct to...
(pass_rl78_devirt): ...new subclass of rtl_opt_pass along with...
(pass_data_rl78_devirt): ...new pass_data instance and...
(make_pass_rl78_devirt): ...new function.
(rl78_asm_file_start): Port pass registration to new C++ API.
From-SVN: r201553
2013-08-07 David Malcolm <dmalcolm@redhat.com>
* lib/plugin-support.exp (plugin-test-execute): Add -fno-rtti
to optstr when building plugins on darwin.
From-SVN: r201552
2013-08-06 David Malcolm <dmalcolm@redhat.com>
* config/mips/mips.c (insert_pass_mips_machine_reorg2): Move
into...
(mips_option_override): ...here, porting to new C++ API for
passes.
From-SVN: r201542
* cgraph.c (cgraph_get_body): New function based on lto.c
implementation.
* cgraph.h (cgraph_get_body): Declare.
* cgraphclones.c (cgraph_create_virtual_clone): Commonize WPA and LTO paths.
* cgraphunit.c (expand_function): Get body prior expanding.
* ipa.c (function_and_variable_visibility): Use gimple_has_body_p test.
* lto-cgraph.c (lto_output_node): Do not stream bodies we don't really need.
* passes.c (do_per_function_toporder): Get body.
* tree-inline.c (expand_call_inline): Get body prior inlining it.
* tree-ssa-structalias.c (ipa_pta_execute): Get body; skip clones.
* lto.c (lto_materialize_function): Do not read body anymore.
From-SVN: r201537
2013-08-06 Martin Jambor <mjambor@suse.cz>
PR fortran/57987
* cgraphunit.c (cgraph_finalize_function): Assert that nested function
is not re-finalized. Rename second parameter to no_collect.
fortran/
* trans-decl.c (gfc_generate_function_code): Never call
cgraph_finalize_function on nested functions.
testsuite/
* gfortran.dg/pr57987.f90: New test.
From-SVN: r201526
Zhenqiang Chen
Benjamin Kosnik
GCC Administrator
Vladimir Makarov
Steve Ellcey
Richard Sandiford
Caroline Tice
Kyrylo Tkachov
Eric Botcazou
Jan Hubicka
Richard Earnshaw
Rainer Orth
François Dumont
Bernd Edlinger
Benjamin Kosnik
Paolo Carlini
Xinliang David Li
Oleg Endo
Ian Lance Taylor
Eric Botcazou
Tim Shen
David Malcolm
Paolo Carlini
Peter Bergner
Jason Merrill
Martin Jambor
Ian Lance Taylor
Janus Weil