- Fix `errno' resolving across separate debuginfo files.
- Fix segfault on no file loaded, `set debug solib 1', `info
sharedlibrary'.
- Extend the testsuite run for all the languages if %{dist} is defined.
- Support gdb.fortran/ tests by substituting the g77 compiler by gfortran.
This commit is contained in:
Jan Kratochvil
parent
b0ab3a801f
commit
92dc0e1867
@ -6,6 +6,10 @@
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Port to post-GDB-6.7.1 multi-PC breakpoints.
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2007-11-09 Jan Kratochvil <jan.kratochvil@redhat.com>
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* solib-svr4.c (svr4_current_sos): Fix segfault on NULL EXEC_BFD.
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Index: gdb-6.7.1/gdb/dwarf2read.c
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===================================================================
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--- gdb-6.7.1.orig/gdb/dwarf2read.c 2007-11-02 15:24:10.000000000 +0100
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@ -375,16 +379,16 @@ Index: gdb-6.7.1/gdb/solib-svr4.c
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@@ -704,6 +803,11 @@ svr4_current_sos (void)
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struct so_list **link_ptr = &head;
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CORE_ADDR ldsomap = 0;
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+ const char *filename = exec_bfd ? exec_bfd->filename : "<none>";
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+ if (debug_solib)
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+ fprintf_unfiltered (gdb_stdlog,
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+ "svr4_current_sos: exec_bfd %s\n",
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+ exec_bfd->filename);
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+ "svr4_current_sos: exec_bfd %s\n", filename);
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+
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/* Make sure we've looked up the inferior's dynamic linker's base
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structure. */
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if (! debug_base)
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@@ -713,11 +817,21 @@ svr4_current_sos (void)
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@@ -713,11 +817,20 @@ svr4_current_sos (void)
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/* If we can't find the dynamic linker's base structure, this
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must not be a dynamically linked executable. Hmm. */
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if (! debug_base)
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@ -393,7 +397,7 @@ Index: gdb-6.7.1/gdb/solib-svr4.c
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+ if (debug_solib)
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+ fprintf_unfiltered (gdb_stdlog,
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+ "svr4_current_sos: no DT_DEBUG found in %s -- return now\n",
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+ exec_bfd->filename);
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+ filename);
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+ return svr4_default_sos ();
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+ }
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}
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@ -402,8 +406,7 @@ Index: gdb-6.7.1/gdb/solib-svr4.c
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`struct so_list' nodes. */
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+ if (debug_solib)
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+ fprintf_unfiltered (gdb_stdlog,
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+ "svr4_current_sos: walk link map in %s\n",
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+ exec_bfd->filename);
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+ "svr4_current_sos: walk link map in %s\n", filename);
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lm = solib_svr4_r_map ();
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while (lm)
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@ -428,8 +431,9 @@ Index: gdb-6.7.1/gdb/solib-svr4.c
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SVR4, it has no name. For others (Solaris 2.3 for example), it
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does have a name, so we can no longer use a missing name to
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decide when to ignore it. */
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if (IGNORE_FIRST_LINK_MAP_ENTRY (new) && ldsomap == 0)
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- if (IGNORE_FIRST_LINK_MAP_ENTRY (new) && ldsomap == 0)
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- free_so (new);
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+ if (exec_bfd != NULL && IGNORE_FIRST_LINK_MAP_ENTRY (new) && ldsomap == 0)
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+ {
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+ /* It is the first link map entry, i.e. it is the main executable. */
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+
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@ -564,14 +568,12 @@ Index: gdb-6.7.1/gdb/solib-svr4.c
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}
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/* On Solaris, the dynamic linker is not in the normal list of
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@@ -789,6 +995,11 @@ svr4_current_sos (void)
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@@ -789,6 +995,9 @@ svr4_current_sos (void)
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if (head == NULL)
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return svr4_default_sos ();
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+ if (debug_solib)
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+ fprintf_unfiltered (gdb_stdlog,
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+ "svr4_current_sos: ENDS %s\n",
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+ exec_bfd->filename);
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+ fprintf_unfiltered (gdb_stdlog, "svr4_current_sos: ENDS %s\n", filename);
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+
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return head;
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}
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@ -160,7 +160,7 @@ diff -u -X /home/jkratoch/.diffi.list -rup gdb-6.7.1/gdb/target.c gdb-6.7.1-patc
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/* Using the objfile specified in BATON, find the address for the
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current thread's thread-local storage with offset OFFSET. */
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CORE_ADDR
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@@ -906,7 +925,22 @@ target_translate_tls_address (struct obj
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@@ -904,7 +923,28 @@ target_translate_tls_address (struct obj
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/* It wouldn't be wrong here to try a gdbarch method, too; finding
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TLS is an ABI-specific thing. But we don't do that yet. */
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else
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@ -171,7 +171,13 @@ diff -u -X /home/jkratoch/.diffi.list -rup gdb-6.7.1/gdb/target.c gdb-6.7.1-patc
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+ msymbol = lookup_minimal_symbol ("errno", NULL, NULL);
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+ if (msymbol != NULL
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+ && SYMBOL_VALUE_ADDRESS (msymbol) == offset
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+ && SYMBOL_BFD_SECTION (msymbol)->owner == objfile->obfd)
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+ && (SYMBOL_BFD_SECTION (msymbol)->owner == objfile->obfd
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+ || (objfile->separate_debug_objfile != NULL
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+ && SYMBOL_BFD_SECTION (msymbol)->owner
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+ == objfile->separate_debug_objfile->obfd)
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+ || (objfile->separate_debug_objfile_backlink != NULL
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+ && SYMBOL_BFD_SECTION (msymbol)->owner
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+ == objfile->separate_debug_objfile_backlink->obfd)))
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+ {
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+ if (!catch_errors (resolve_errno, (void *) &addr, "",
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+ RETURN_MASK_ALL))
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22
gdb.spec
22
gdb.spec
@ -11,7 +11,7 @@ Name: gdb
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Version: 6.7.1
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# The release always contains a leading reserved number, start it at 1.
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Release: 3%{?dist}
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Release: 4%{?dist}
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License: GPL
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Group: Development/Debuggers
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@ -331,11 +331,21 @@ BuildRequires: flex bison sharutils expat-devel
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Requires: readline
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BuildRequires: readline-devel
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# BuildRequires only for the complete testsuite run.
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# Omit them on local user builds.
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%if 0%{?dist:1}
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# gcc-objc++ is not covered by the GDB testsuite.
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BuildRequires: gcc gcc-c++ gcc-gfortran gcc-java gcc-objc
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# Copied from gcc-4.1.2-32
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%ifarch %{ix86} x86_64 ia64 ppc alpha
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BuildRequires: gcc-gnat
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%endif
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%define multilib_64_archs sparc64 ppc64 s390x x86_64
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%ifarch %{multilib_64_archs} sparc ppc
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# Ensure glibc{,-devel} is installed for both multilib arches
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BuildRequires: /lib/libc.so.6 %{_exec_prefix}/lib/libc.so /lib64/libc.so.6 %{_exec_prefix}/lib64/libc.so
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%endif
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%endif
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%ifarch ia64
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BuildRequires: libunwind-devel >= 0.99-0.1.frysk20070405cvs
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@ -486,6 +496,10 @@ rm -fr %{gdb_build}
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mkdir %{gdb_build}
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cd %{gdb_build}
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# g77 executable is no longer present in Fedora gcc-4.x+.
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g77="`which gfortran 2>/dev/null`"
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test -n "$g77" && ln -s "$g77" ./g77
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# FIXME: The configure option --enable-gdb-build-warnings=,-Werror
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# below can conflict with user settings. For instance, passing a
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# combination of -Wall and -O0 from the file rpmrc will always cause
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@ -615,6 +629,12 @@ fi
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# don't include the files in include, they are part of binutils
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%changelog
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* Fri Nov 16 2007 Jan Kratochvil <jan.kratochvil@redhat.com> - 6.7.1-4
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- Fix `errno' resolving across separate debuginfo files.
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- Fix segfault on no file loaded, `set debug solib 1', `info sharedlibrary'.
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- Extend the testsuite run for all the languages if %%{dist} is defined.
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- Support gdb.fortran/ tests by substituting the g77 compiler by gfortran.
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* Sun Nov 4 2007 Jan Kratochvil <jan.kratochvil@redhat.com> - 6.7.1-3
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- Fix `errno' resolving on recent glibc with broken DW_AT_MIPS_linkage_name.
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- Imported new test for 6.7 PPC hiding of call-volatile parameter register.
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