+2014-04-22 Florian Weimer <fweimer@redhat.com>
+
+ * dwarf_getalt.c, dwarf_setalt.c: New files.
+ * Makefile.am (libdw_a_SOURCES): Add them.
+ * libdw.h (dwarf_getalt, dwarf_setalt): Add function declarations.
+ * libdwP.h (dwarf_getalt, dwarf_setalt): Add internal function
+ declarations.
+ * libdw.map (ELFUTILS_0.159): Export the two new functions.
+
2014-04-15 Florian Weimer <fweimer@redhat.com>
* libdwP.h (enum IDX_gnu_debugaltlink): New.
dwarf_cfi_addrframe.c \
dwarf_getcfi.c dwarf_getcfi_elf.c dwarf_cfi_end.c \
dwarf_aggregate_size.c dwarf_getlocation_implicit_pointer.c \
- dwarf_getlocation_die.c dwarf_getlocation_attr.c
+ dwarf_getlocation_die.c dwarf_getlocation_attr.c \
+ dwarf_getalt.c dwarf_setalt.c
if MAINTAINER_MODE
BUILT_SOURCES = $(srcdir)/known-dwarf.h
--- /dev/null
+/* Retrieves the DWARF descriptor for debugaltlink data.
+ Copyright (C) 2014 Red Hat, Inc.
+ This file is part of elfutils.
+
+ This file is free software; you can redistribute it and/or modify
+ it under the terms of either
+
+ * the GNU Lesser General Public License as published by the Free
+ Software Foundation; either version 3 of the License, or (at
+ your option) any later version
+
+ or
+
+ * the GNU General Public License as published by the Free
+ Software Foundation; either version 2 of the License, or (at
+ your option) any later version
+
+ or both in parallel, as here.
+
+ elfutils is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received copies of the GNU General Public License and
+ the GNU Lesser General Public License along with this program. If
+ not, see <http://www.gnu.org/licenses/>. */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include "libdwP.h"
+
+Dwarf *
+dwarf_getalt (Dwarf *main)
+{
+ if (main == NULL)
+ return NULL;
+ return main->alt_dwarf;
+}
+INTDEF (dwarf_getalt)
--- /dev/null
+/* Provides the data referenced by the .gnu_debugaltlink section.
+ Copyright (C) 2014 Red Hat, Inc.
+ This file is part of elfutils.
+
+ This file is free software; you can redistribute it and/or modify
+ it under the terms of either
+
+ * the GNU Lesser General Public License as published by the Free
+ Software Foundation; either version 3 of the License, or (at
+ your option) any later version
+
+ or
+
+ * the GNU General Public License as published by the Free
+ Software Foundation; either version 2 of the License, or (at
+ your option) any later version
+
+ or both in parallel, as here.
+
+ elfutils is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received copies of the GNU General Public License and
+ the GNU Lesser General Public License along with this program. If
+ not, see <http://www.gnu.org/licenses/>. */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include "libdwP.h"
+
+void
+dwarf_setalt (Dwarf *main, Dwarf *alt)
+{
+ if (main->free_alt)
+ INTUSE (dwarf_end) (main->alt_dwarf);
+ main->free_alt = false;
+ main->alt_dwarf = alt;
+}
+INTDEF (dwarf_setalt)
/* Retrieve ELF descriptor used for DWARF access. */
extern Elf *dwarf_getelf (Dwarf *dwarf);
+/* Retrieves the DWARF descriptor for debugaltlink data. Returns NULL
+ if no alternate debug data has been supplied. */
+extern Dwarf *dwarf_getalt (Dwarf *main);
+
+/* Provides the data referenced by the .gnu_debugaltlink section. The
+ caller should check that MAIN and ALT match (i.e., they have the
+ same build ID). It is the responsibility of the caller to ensure
+ that the data referenced by ALT stays valid while it is used by
+ MAIN, until dwarf_setalt is called on MAIN with a different
+ descriptor, or dwarf_end. */
+extern void dwarf_setalt (Dwarf *main, Dwarf *alt);
+
/* Release debugging handling context. */
extern int dwarf_end (Dwarf *dwarf);
ELFUTILS_0.159 {
global:
+ dwarf_getalt;
+ dwarf_setalt;
dwelf_elf_gnu_debuglink;
} ELFUTILS_0.158;
INTDECL (dwarf_formsdata)
INTDECL (dwarf_formstring)
INTDECL (dwarf_formudata)
+INTDECL (dwarf_getalt)
INTDECL (dwarf_getarange_addr)
INTDECL (dwarf_getarangeinfo)
INTDECL (dwarf_getaranges)
INTDECL (dwarf_next_unit)
INTDECL (dwarf_offdie)
INTDECL (dwarf_ranges)
+INTDECL (dwarf_setalt)
INTDECL (dwarf_siblingof)
INTDECL (dwarf_srclang)
INTDECL (dwarf_tag)