diff options
Diffstat (limited to 'bfd/elfcore.h')
-rw-r--r-- | bfd/elfcore.h | 226 |
1 files changed, 0 insertions, 226 deletions
diff --git a/bfd/elfcore.h b/bfd/elfcore.h deleted file mode 100644 index e4454aac9d0..00000000000 --- a/bfd/elfcore.h +++ /dev/null @@ -1,226 +0,0 @@ -/* ELF core file support for BFD. - Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc. - -This file is part of BFD, the Binary File Descriptor library. - -This program 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; either version 2 of the License, or -(at your option) any later version. - -This program 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 this program; if not, write to the Free Software -Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - - -char* -elf_core_file_failing_command (abfd) - bfd *abfd; -{ - return elf_tdata (abfd)->core_command; -} - -int -elf_core_file_failing_signal (abfd) - bfd *abfd; -{ - return elf_tdata (abfd)->core_signal; -} - - -boolean -elf_core_file_matches_executable_p (core_bfd, exec_bfd) - bfd *core_bfd; - bfd *exec_bfd; -{ - char* corename; - - /* xvecs must match if both are ELF files for the same target. */ - - if (core_bfd->xvec != exec_bfd->xvec) - { - bfd_set_error (bfd_error_system_call); - return false; - } - - /* See if the name in the corefile matches the executable name. */ - - corename = elf_tdata (core_bfd)->core_program; - if (corename != NULL) - { - const char* execname = strrchr (exec_bfd->filename, '/'); - execname = execname ? execname + 1 : exec_bfd->filename; - - if (strcmp(execname, corename) != 0) - return false; - } - - return true; -} - - -/* Core files are simply standard ELF formatted files that partition - the file using the execution view of the file (program header table) - rather than the linking view. In fact, there is no section header - table in a core file. - - The process status information (including the contents of the general - register set) and the floating point register set are stored in a - segment of type PT_NOTE. We handcraft a couple of extra bfd sections - that allow standard bfd access to the general registers (.reg) and the - floating point registers (.reg2). - - */ - -const bfd_target * -elf_core_file_p (abfd) - bfd *abfd; -{ - Elf_External_Ehdr x_ehdr; /* Elf file header, external form */ - Elf_Internal_Ehdr *i_ehdrp; /* Elf file header, internal form */ - Elf_Internal_Phdr *i_phdrp; /* Elf program header, internal form */ - unsigned int phindex; - struct elf_backend_data *ebd; - - /* Read in the ELF header in external format. */ - if (bfd_read ((PTR) & x_ehdr, sizeof (x_ehdr), 1, abfd) != sizeof (x_ehdr)) - { - if (bfd_get_error () != bfd_error_system_call) - bfd_set_error (bfd_error_wrong_format); - return NULL; - } - - /* Check the magic number. */ - if (elf_file_p (&x_ehdr) == false) - { - wrong: - bfd_set_error (bfd_error_wrong_format); - return NULL; - } - - /* FIXME: Check EI_VERSION here ! */ - - /* Check the address size ("class"). */ - if (x_ehdr.e_ident[EI_CLASS] != ELFCLASS) - goto wrong; - - /* Check the byteorder. */ - switch (x_ehdr.e_ident[EI_DATA]) - { - case ELFDATA2MSB: /* Big-endian */ - if (! bfd_big_endian (abfd)) - goto wrong; - break; - case ELFDATA2LSB: /* Little-endian */ - if (! bfd_little_endian (abfd)) - goto wrong; - break; - default: - goto wrong; - } - - /* Give abfd an elf_obj_tdata. */ - elf_tdata (abfd) = - (struct elf_obj_tdata *) bfd_zalloc (abfd, sizeof (struct elf_obj_tdata)); - if (elf_tdata (abfd) == NULL) - return NULL; - - /* FIXME: from here on down, "goto wrong" will leak memory. */ - - /* Swap in the rest of the header, now that we have the byte order. */ - i_ehdrp = elf_elfheader (abfd); - elf_swap_ehdr_in (abfd, &x_ehdr, i_ehdrp); - -#if DEBUG & 1 - elf_debug_file (i_ehdrp); -#endif - - ebd = get_elf_backend_data (abfd); - - /* Check that the ELF e_machine field matches what this particular - BFD format expects. */ - - if (ebd->elf_machine_code != i_ehdrp->e_machine - && (ebd->elf_machine_alt1 == 0 - || i_ehdrp->e_machine != ebd->elf_machine_alt1) - && (ebd->elf_machine_alt2 == 0 - || i_ehdrp->e_machine != ebd->elf_machine_alt2)) - { - const bfd_target * const *target_ptr; - - if (ebd->elf_machine_code != EM_NONE) - goto wrong; - - /* This is the generic ELF target. Let it match any ELF target - for which we do not have a specific backend. */ - - for (target_ptr = bfd_target_vector; *target_ptr != NULL; target_ptr++) - { - struct elf_backend_data *back; - - if ((*target_ptr)->flavour != bfd_target_elf_flavour) - continue; - back = (struct elf_backend_data *) (*target_ptr)->backend_data; - if (back->elf_machine_code == i_ehdrp->e_machine) - { - /* target_ptr is an ELF backend which matches this - object file, so reject the generic ELF target. */ - goto wrong; - } - } - } - - /* If there is no program header, or the type is not a core file, then - we are hosed. */ - if (i_ehdrp->e_phoff == 0 || i_ehdrp->e_type != ET_CORE) - goto wrong; - - /* Does BFD's idea of the phdr size match the size - recorded in the file? */ - if (i_ehdrp->e_phentsize != sizeof (Elf_External_Phdr)) - goto wrong; - - /* Allocate space for the program headers. */ - i_phdrp = (Elf_Internal_Phdr *) - bfd_alloc (abfd, sizeof (*i_phdrp) * i_ehdrp->e_phnum); - if (!i_phdrp) - return NULL; - - elf_tdata (abfd)->phdr = i_phdrp; - - /* Read and convert to internal form. */ - for (phindex = 0; phindex < i_ehdrp->e_phnum; ++phindex) - { - Elf_External_Phdr x_phdr; - if (bfd_read ((PTR) &x_phdr, sizeof (x_phdr), 1, abfd) - != sizeof (x_phdr)) - return NULL; - - elf_swap_phdr_in (abfd, &x_phdr, i_phdrp + phindex); - } - - /* Process each program header. */ - for (phindex = 0; phindex < i_ehdrp->e_phnum; ++phindex) - { - if (!_bfd_elfcore_section_from_phdr (abfd, i_phdrp + phindex, phindex)) - return NULL; - } - - /* Set the machine architecture. */ - if (! bfd_default_set_arch_mach (abfd, ebd->arch, 0)) - { - /* It's OK if this fails for the generic target. */ - if (ebd->elf_machine_code != EM_NONE) - return NULL; - } - - /* Save the entry point from the ELF header. */ - bfd_get_start_address (abfd) = i_ehdrp->e_entry; - - return abfd->xvec; -} |