9965d11913
gcc: * invoke.texi (-fdump-class-layout): Document. (-fdump-translation-unit): Use `=' as filename separator. cp: Fix specification and implementation bugs in V3 ABI construction vtables. * cp-tree.h (flag_dump_class_layout): New flag. (BINFO_OVERRIDE_ALONG_VIRTUAL_PATH_P): Remove. (BINFO_LOST_PRIMARY_P): New flag. (SET_BINFO_NEW_VTABLE_MARKED): Adjust asserts. (BINFO_PRIMARY_MARKED_P): Rename to ... (BINFO_PRIMARY_P): ... here. (binfo_via_virtual): New prototype. * decl2.c (flag_dump_class_layout): New flag. (cxx_decode_option): Set it. Adjust -fdump-translation-unit to use `=' as a file name separator. * init.c (dfs_initialize_vtbl_ptrs): Walk into virtual primary bases. (build_vtbl_address): If this is a virtual primary base, then get the vtbl of what it is ultimately primary for. * search.c (dfs_skip_nonprimary_vbases_unmarkedp): Adjust for BINFO_PRIMARY_P. (dfs_skip_nonprimary_vbases_markedp): Likewise. (get_shared_vbase_if_not_primary): Likewise. (dfs_get_pure_virtuals): Likewise. (expand_upcast_fixups): Likewise. (fixup_virtual_upcast_offsets): Likewise. (dfs_find_vbase_instance): Likewise. (find_vbase_instance): Likewise. (binfo_from_vbase): Adjust comment to reflect reality. (binfo_via_virtual): New function. * class.c (VTT_TOP_LEVEL_P, VTT_MARKED_BINFO_P): New macros for binfo walking during VTT construction. (dfs_mark_primary_bases): Remove. (force_canonical_binfo_r): New function. (force_canonical_binfo): New function. (mark_primary_virtual_base): New function. (mark_primary_bases): Walk in inheritance graph order, use mark_primary_virtual_base. (determine_primary_base): Use some more intermediate variables. (dfs_find_final_overrider): Don't check for overriding along a virtual path. (dfs_modify_vtables): Walk into primary virtual bases too. (walk_subobject_offsets): Adjust for BINFO_PRIMARY_P. (build_base_fields): Likewise. (dfs_set_offset_for_unshared_vbases): Likewise. (layout_virtual_bases): Likewise. (end_of_class): Likewise. (finish_struct_1): Call dump_class_hierarchy, if requested. (dfs_get_primary_binfo): Use BINFO_TYPE for binfos. (dump_class_hierarchy_r): Add stream parameter. Emit more information. (dump_class_hierarchy): Add file parameter. Append to file, if required. (finish_vtbls): Adjust accumulate_vtbl_inits call. Use canonical base for virtual bases. (build_vtt): Add more comments. Adjust build_vtt_inits call. (build_vtt_inits): Remove VIRTUAL_VTTS_P parm. Only set BINFO_VPTR_INDEX on top level. Use VTT_TOP_LEVEL_P, VTT_MARKED_BINFO_P for binfo walking. Use canonical vbase for virtual VTTs. (dfs_build_secondary_vptr_vtt_inits): Extract VTT_TOP_LEVEL_P from DATA. We want virtual primary bases and all bases via virtual. Only set BINFO_VPTR_INDEX for top level. Look up from a primary virtual base when not a construction vtable. (dfs_ctor_vtable_bases_queue_p): New DFS predicate. (build_ctor_vtbl_group): Adjust accumulate_vtbl_inits call. Use canonical bases when processing virtual bases. (accumulate_vtbl_inits): We're interested in any base via a virtual path. (dfs_accumulate_vtbl_inits): If this is a primary virtual base within a construction vtable, determine what is being overridden. (build_vtbl_initializer): Add more comments (add_vcall_offset_vtbl_entries_1): Adjust comment. (build_rtti_vtbl_entries): Check if the base has lost its primary. testsuite: * g++.old-deja/g++.abi/primary2.C: New test. * g++.old-deja/g++.abi/primary3.C: New test. * g++.old-deja/g++.abi/primary4.C: New test. * g++.old-deja/g++.abi/primary5.C: New test. * g++.old-deja/g++.abi/vtable3.h: New test. * g++.old-deja/g++.abi/vtable3a.C: New test. * g++.old-deja/g++.abi/vtable3b.C: New test. * g++.old-deja/g++.abi/vtable3c.C: New test. * g++.old-deja/g++.abi/vtable3d.C: New test. * g++.old-deja/g++.abi/vtable3e.C: New test. * g++.old-deja/g++.abi/vtable3f.C: New test. * g++.old-deja/g++.abi/vtable3g.C: New test. * g++.old-deja/g++.abi/vtable3h.C: New test. * g++.old-deja/g++.abi/vtable3i.C: New test. * g++.old-deja/g++.abi/vtable3j.C: New test. * g++.old-deja/g++.oliva/thunk1.C: Remove XFAIL. From-SVN: r39455 |
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| boehm-gc | ||
| config | ||
| contrib | ||
| fastjar | ||
| gcc | ||
| include | ||
| INSTALL | ||
| libchill | ||
| libf2c | ||
| libffi | ||
| libiberty | ||
| libio/config | ||
| libjava | ||
| libobjc | ||
| libstdc++-v3 | ||
| zlib | ||
| .cvsignore | ||
| ChangeLog | ||
| config-ml.in | ||
| config.guess | ||
| config.if | ||
| config.sub | ||
| configure | ||
| configure.in | ||
| COPYING | ||
| COPYING.LIB | ||
| install-sh | ||
| libtool.m4 | ||
| ltcf-c.sh | ||
| ltcf-cxx.sh | ||
| ltcf-gcj.sh | ||
| ltconfig | ||
| ltmain.sh | ||
| MAINTAINERS | ||
| Makefile.in | ||
| missing | ||
| mkdep | ||
| mkinstalldirs | ||
| move-if-change | ||
| README | ||
| symlink-tree | ||
| ylwrap | ||
README for GNU development tools This directory contains various GNU compilers, assemblers, linkers, debuggers, etc., plus their support routines, definitions, and documentation. Check the INSTALL directory for detailed configuration and installation instructions. Much of the code and documentation enclosed is copyright by the Free Software Foundation, Inc. See the file COPYING or COPYING.LIB in the various directories, for a description of the GNU General Public License terms under which you can copy the files. REPORTING BUGS: Again, see gdb/README, binutils/README, etc., for info on where and how to report problems.