diff options
Diffstat (limited to 'bfd/bfd.c')
| -rw-r--r-- | bfd/bfd.c | 122 |
1 files changed, 0 insertions, 122 deletions
@@ -1687,128 +1687,6 @@ bfd_alt_mach_code (bfd *abfd, int alternative) } /* -CODE_FRAGMENT - -.struct bfd_preserve -.{ -. void *marker; -. void *tdata; -. flagword flags; -. const struct bfd_arch_info *arch_info; -. struct bfd_section *sections; -. struct bfd_section *section_last; -. unsigned int section_count; -. struct bfd_hash_table section_htab; -.}; -. -*/ - -/* -FUNCTION - bfd_preserve_save - -SYNOPSIS - bfd_boolean bfd_preserve_save (bfd *, struct bfd_preserve *); - -DESCRIPTION - When testing an object for compatibility with a particular - target back-end, the back-end object_p function needs to set - up certain fields in the bfd on successfully recognizing the - object. This typically happens in a piecemeal fashion, with - failures possible at many points. On failure, the bfd is - supposed to be restored to its initial state, which is - virtually impossible. However, restoring a subset of the bfd - state works in practice. This function stores the subset and - reinitializes the bfd. - -*/ - -bfd_boolean -bfd_preserve_save (bfd *abfd, struct bfd_preserve *preserve) -{ - preserve->tdata = abfd->tdata.any; - preserve->arch_info = abfd->arch_info; - preserve->flags = abfd->flags; - preserve->sections = abfd->sections; - preserve->section_last = abfd->section_last; - preserve->section_count = abfd->section_count; - preserve->section_htab = abfd->section_htab; - - if (! bfd_hash_table_init (&abfd->section_htab, bfd_section_hash_newfunc, - sizeof (struct section_hash_entry))) - return FALSE; - - abfd->tdata.any = NULL; - abfd->arch_info = &bfd_default_arch_struct; - abfd->flags &= BFD_FLAGS_SAVED; - abfd->sections = NULL; - abfd->section_last = NULL; - abfd->section_count = 0; - - return TRUE; -} - -/* -FUNCTION - bfd_preserve_restore - -SYNOPSIS - void bfd_preserve_restore (bfd *, struct bfd_preserve *); - -DESCRIPTION - This function restores bfd state saved by bfd_preserve_save. - If MARKER is non-NULL in struct bfd_preserve then that block - and all subsequently bfd_alloc'd memory is freed. - -*/ - -void -bfd_preserve_restore (bfd *abfd, struct bfd_preserve *preserve) -{ - bfd_hash_table_free (&abfd->section_htab); - - abfd->tdata.any = preserve->tdata; - abfd->arch_info = preserve->arch_info; - abfd->flags = preserve->flags; - abfd->section_htab = preserve->section_htab; - abfd->sections = preserve->sections; - abfd->section_last = preserve->section_last; - abfd->section_count = preserve->section_count; - - /* bfd_release frees all memory more recently bfd_alloc'd than - its arg, as well as its arg. */ - if (preserve->marker != NULL) - { - bfd_release (abfd, preserve->marker); - preserve->marker = NULL; - } -} - -/* -FUNCTION - bfd_preserve_finish - -SYNOPSIS - void bfd_preserve_finish (bfd *, struct bfd_preserve *); - -DESCRIPTION - This function should be called when the bfd state saved by - bfd_preserve_save is no longer needed. ie. when the back-end - object_p function returns with success. - -*/ - -void -bfd_preserve_finish (bfd *abfd ATTRIBUTE_UNUSED, struct bfd_preserve *preserve) -{ - /* It would be nice to be able to free more memory here, eg. old - tdata, but that's not possible since these blocks are sitting - inside bfd_alloc'd memory. The section hash is on a separate - objalloc. */ - bfd_hash_table_free (&preserve->section_htab); -} - -/* FUNCTION bfd_emul_get_maxpagesize |