/* end.c - implementation of the elf_end(3) function. Copyright (C) 1995 Michael Riepe This library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This library 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 Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with this library; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include static void _elf_free(void *ptr) { if (ptr) { free(ptr); } } static void _elf_free_scns(Elf *elf, Elf_Scn *scn) { Scn_Data *sd, *tmp; Elf_Scn *freescn; for (freescn = NULL; scn; scn = scn->s_link) { elf_assert(scn->s_magic == SCN_MAGIC); elf_assert(scn->s_elf == elf); for (sd = scn->s_data_1; sd; sd = tmp) { tmp = sd->sd_link; if (sd->sd_free_data) { _elf_free(sd->sd_memdata); } if (sd->sd_freeme) { free(sd); } } if ((sd = scn->s_rawdata)) { if (sd->sd_free_data) { _elf_free(sd->sd_memdata); } if (sd->sd_freeme) { free(sd); } } if (scn->s_freeme) { _elf_free(freescn); freescn = scn; } } _elf_free(freescn); } int elf_end(Elf *elf) { Elf **siblings; if (!elf) { return 0; } elf_assert(elf->e_magic == ELF_MAGIC); if (--elf->e_count) { return elf->e_count; } if (elf->e_parent) { elf_assert(elf->e_parent->e_magic == ELF_MAGIC); elf_assert(elf->e_parent->e_kind == ELF_K_AR); siblings = &elf->e_parent->e_members; while (*siblings) { if (*siblings == elf) { *siblings = elf->e_link; break; } siblings = &(*siblings)->e_link; } elf_end(elf->e_parent); _elf_free(elf->e_arhdr); } else { _elf_free(elf->e_data); } _elf_free_scns(elf, elf->e_scn_1); if (elf->e_rawdata != elf->e_data) { _elf_free(elf->e_rawdata); } if (elf->e_free_syms) { _elf_free(elf->e_symtab); } if (elf->e_free_ehdr) { _elf_free(elf->e_ehdr); } if (elf->e_free_phdr) { _elf_free(elf->e_phdr); } if (elf->e_free_shdr) { _elf_free(elf->e_shdr); } free(elf); return 0; }