summaryrefslogtreecommitdiff
path: root/bfd/elfcore.h
diff options
context:
space:
mode:
Diffstat (limited to 'bfd/elfcore.h')
-rw-r--r--bfd/elfcore.h243
1 files changed, 0 insertions, 243 deletions
diff --git a/bfd/elfcore.h b/bfd/elfcore.h
deleted file mode 100644
index df3af0ce8da..00000000000
--- a/bfd/elfcore.h
+++ /dev/null
@@ -1,243 +0,0 @@
-/* ELF core file support for BFD.
- Copyright 1995, 1996, 1997, 1998, 2000, 2001
- 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 = NULL; /* Elf program header, internal form */
- unsigned int phindex;
- struct elf_backend_data *ebd;
- struct elf_obj_tdata *preserved_tdata = elf_tdata (abfd);
- struct elf_obj_tdata *new_tdata = NULL;
-
- /* 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)
- goto wrong;
-
- /* 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. */
- new_tdata =
- (struct elf_obj_tdata *) bfd_zalloc (abfd, sizeof (struct elf_obj_tdata));
- if (new_tdata == NULL)
- return NULL;
- elf_tdata (abfd) = new_tdata;
-
- /* 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;
-
- /* Move to the start of the program headers. */
- if (bfd_seek (abfd, i_ehdrp->e_phoff, SEEK_SET) != 0)
- 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)
- goto fail;
-
- 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))
- goto fail;
-
- 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_section_from_phdr (abfd, i_phdrp + phindex, phindex))
- goto fail;
- }
-
- /* 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)
- goto fail;
- }
-
- /* Save the entry point from the ELF header. */
- bfd_get_start_address (abfd) = i_ehdrp->e_entry;
-
- /* Let the backend double check the format and override global
- information. */
- if (ebd->elf_backend_object_p)
- {
- if ((*ebd->elf_backend_object_p) (abfd) == false)
- goto wrong;
- }
-
- return abfd->xvec;
-
-wrong:
- bfd_set_error (bfd_error_wrong_format);
-fail:
- if (i_phdrp != NULL)
- bfd_release (abfd, i_phdrp);
- if (new_tdata != NULL)
- bfd_release (abfd, new_tdata);
- elf_tdata (abfd) = preserved_tdata;
- return NULL;
-}