diff options
Diffstat (limited to 'src/backends/ppc64_init.c')
| -rw-r--r-- | src/backends/ppc64_init.c | 77 |
1 files changed, 60 insertions, 17 deletions
diff --git a/src/backends/ppc64_init.c b/src/backends/ppc64_init.c index 3060a605..56e1828e 100644 --- a/src/backends/ppc64_init.c +++ b/src/backends/ppc64_init.c @@ -1,33 +1,38 @@ /* Initialization of PPC64 specific backend library. - Copyright (C) 2004, 2005, 2006, 2007, 2008 Red Hat, Inc. - This file is part of Red Hat elfutils. + Copyright (C) 2004, 2005, 2006, 2007, 2008, 2013, 2014 Red Hat, Inc. + This file is part of elfutils. Written by Ulrich Drepper <drepper@redhat.com>, 2004. - Red Hat elfutils is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by the - Free Software Foundation; version 2 of the License. + This file is free software; you can redistribute it and/or modify + it under the terms of either - Red Hat elfutils is distributed in the hope that it will be useful, but + * 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 a copy of the GNU General Public License along - with Red Hat elfutils; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA. - - Red Hat elfutils is an included package of the Open Invention Network. - An included package of the Open Invention Network is a package for which - Open Invention Network licensees cross-license their patents. No patent - license is granted, either expressly or impliedly, by designation as an - included package. Should you wish to participate in the Open Invention - Network licensing program, please visit www.openinventionnetwork.com - <http://www.openinventionnetwork.com>. */ + 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 <string.h> + #define BACKEND ppc64_ #define RELOC_PREFIX R_PPC64_ #include "libebl_CPU.h" @@ -53,14 +58,52 @@ ppc64_init (elf, machine, eh, ehlen) HOOK (eh, reloc_simple_type); HOOK (eh, dynamic_tag_name); HOOK (eh, dynamic_tag_check); + HOOK (eh, machine_flag_check); HOOK (eh, copy_reloc_p); HOOK (eh, check_special_symbol); + HOOK (eh, check_st_other_bits); HOOK (eh, bss_plt_p); HOOK (eh, return_value_location); HOOK (eh, register_info); HOOK (eh, syscall_abi); HOOK (eh, core_note); HOOK (eh, auxv_info); + HOOK (eh, abi_cfi); + /* gcc/config/ #define DWARF_FRAME_REGISTERS. */ + eh->frame_nregs = (114 - 1) + 32; + HOOK (eh, set_initial_registers_tid); + HOOK (eh, dwarf_to_regno); + HOOK (eh, resolve_sym_value); + + /* Find the function descriptor .opd table for resolve_sym_value. */ + if (elf != NULL) + { + GElf_Ehdr ehdr_mem, *ehdr = gelf_getehdr (elf, &ehdr_mem); + if (ehdr != NULL && ehdr->e_type != ET_REL) + { + /* We could also try through DT_PPC64_OPD and DT_PPC64_OPDSZ. */ + GElf_Shdr opd_shdr_mem, *opd_shdr; + Elf_Scn *scn = NULL; + while ((scn = elf_nextscn (elf, scn)) != NULL) + { + opd_shdr = gelf_getshdr (scn, &opd_shdr_mem); + if (opd_shdr != NULL + && (opd_shdr->sh_flags & SHF_ALLOC) != 0 + && opd_shdr->sh_type == SHT_PROGBITS + && opd_shdr->sh_size > 0) + { + const char *name = elf_strptr (elf, ehdr->e_shstrndx, + opd_shdr->sh_name); + if (name != NULL && strcmp (name, ".opd") == 0) + { + eh->fd_addr = opd_shdr->sh_addr; + eh->fd_data = elf_getdata (scn, NULL); + break; + } + } + } + } + } return MODVERSION; } |