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Diffstat (limited to 'src/libdwelf/libdwelf.h')
-rw-r--r-- | src/libdwelf/libdwelf.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/src/libdwelf/libdwelf.h b/src/libdwelf/libdwelf.h new file mode 100644 index 00000000..e16dc0f3 --- /dev/null +++ b/src/libdwelf/libdwelf.h @@ -0,0 +1,72 @@ +/* Interfaces for libdwelf. DWARF ELF Low-level Functions. + 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/>. */ + +#ifndef _LIBDWELF_H +#define _LIBDWELF_H 1 + +#include "libdw.h" + +#ifdef __cplusplus +extern "C" { +#endif + +/* DWARF ELF Low-level Functions (dwelf). + Functions starting with dwelf_elf will take a (libelf) Elf object as + first argument and might set elf_errno on error. Functions starting + with dwelf_dwarf will take a (libdw) Dwarf object as first argument + and might set dwarf_errno on error. */ + +/* Returns the name and the CRC32 of the separate debug file from the + .gnu_debuglink section if found in the ELF. Return NULL if the ELF + file didn't have a .gnu_debuglink section, had malformed data in the + section or some other error occured. */ +extern const char *dwelf_elf_gnu_debuglink (Elf *elf, GElf_Word *crc); + +/* Returns the name and build ID from the .gnu_debugaltlink section if + found in the ELF. On success, pointers to the name and build ID + are written to *NAMEP and *BUILDID_P, and the positive length of + the build ID is returned. Returns 0 if the ELF lacks a + .gnu_debugaltlink section. Returns -1 in case of malformed data or + other errors. */ +extern ssize_t dwelf_dwarf_gnu_debugaltlink (Dwarf *dwarf, + const char **namep, + const void **build_idp); + +/* Returns the build ID as found in a NT_GNU_BUILD_ID note from either + a SHT_NOTE section or from a PT_NOTE segment if the ELF file + doesn't contain any section headers. On success a pointer to the + build ID is written to *BUILDID_P, and the positive length of the + build ID is returned. Returns 0 if the ELF lacks a NT_GNU_BUILD_ID + note. Returns -1 in case of malformed data or other errors. */ +extern ssize_t dwelf_elf_gnu_build_id (Elf *elf, const void **build_idp); + +#ifdef __cplusplus +} +#endif + +#endif /* libdwelf.h */ |