text: /*
   * Copyright 2005 PathScale, Inc.  All Rights Reserved.
   */
  
  /*
  32.fsize.c - implementation of the elf{32,64}_fsize(3) functions.
  Copyright (C) 1995 - 2001 Michael Riepe <michael@stud.uni-hannover.de>
  
  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 <private.h>
  #include <ext_types.h>
  
  #ifndef lint
  static const char rcsid[] = "@(#) $Id: 32.fsize.c,v 1.1.1.1 2005/10/21 19:00:00 marcel Exp $";
  #endif /* lint */
  
  const size_t
  _elf_fmsize[2][EV_CURRENT - EV_NONE][ELF_T_NUM][2] = {
      /* ELFCLASS32 */
      {
  	/* version 1 */
  	{
  	    { sizeof(unsigned char),  sizeof(unsigned char)      },
  	    { sizeof(Elf32_Addr),     sizeof(__ext_Elf32_Addr)   },
  	    { sizeof(Elf32_Dyn),      sizeof(__ext_Elf32_Dyn)    },
  	    { sizeof(Elf32_Ehdr),     sizeof(__ext_Elf32_Ehdr)   },
  	    { sizeof(Elf32_Half),     sizeof(__ext_Elf32_Half)   },
  	    { sizeof(Elf32_Off),      sizeof(__ext_Elf32_Off)    },
  	    { sizeof(Elf32_Phdr),     sizeof(__ext_Elf32_Phdr)   },
  	    { sizeof(Elf32_Rela),     sizeof(__ext_Elf32_Rela)   },
  	    { sizeof(Elf32_Rel),      sizeof(__ext_Elf32_Rel)    },
  	    { sizeof(Elf32_Shdr),     sizeof(__ext_Elf32_Shdr)   },
  	    { sizeof(Elf32_Sword),    sizeof(__ext_Elf32_Sword)  },
  	    { sizeof(Elf32_Sym),      sizeof(__ext_Elf32_Sym)    },
  	    { sizeof(Elf32_Word),     sizeof(__ext_Elf32_Word)   },
  	    { 0, 0 },	/* there is no Elf32_Sxword */
  	    { 0, 0 },	/* there is no Elf32_Xword */
  	    /* XXX: check Solaris values */
  	    { 0, 0 },	/* Elf32_Verdef/Verdaux size varies */
  	    { 0, 0 },	/* Elf32_Verneed/Vernaux size varies */
  	},
      },
  #if __LIBELF64
      /* ELFCLASS64 */
      {
  	/* version 1 */
  	{
  	    { sizeof(unsigned char),  sizeof(unsigned char)      },
  	    { sizeof(Elf64_Addr),     sizeof(__ext_Elf64_Addr)   },
  	    { sizeof(Elf64_Dyn),      sizeof(__ext_Elf64_Dyn)    },
  	    { sizeof(Elf64_Ehdr),     sizeof(__ext_Elf64_Ehdr)   },
  	    { sizeof(Elf64_Half),     sizeof(__ext_Elf64_Half)   },
  	    { sizeof(Elf64_Off),      sizeof(__ext_Elf64_Off)    },
  	    { sizeof(Elf64_Phdr),     sizeof(__ext_Elf64_Phdr)   },
  	    { sizeof(Elf64_Rela),     sizeof(__ext_Elf64_Rela)   },
  	    { sizeof(Elf64_Rel),      sizeof(__ext_Elf64_Rel)    },
  	    { sizeof(Elf64_Shdr),     sizeof(__ext_Elf64_Shdr)   },
  	    { sizeof(Elf64_Sword),    sizeof(__ext_Elf64_Sword)  },
  	    { sizeof(Elf64_Sym),      sizeof(__ext_Elf64_Sym)    },
  	    { sizeof(Elf64_Word),     sizeof(__ext_Elf64_Word)   },
  	    { sizeof(Elf64_Sxword),   sizeof(__ext_Elf64_Sxword) },
  	    { sizeof(Elf64_Xword),    sizeof(__ext_Elf64_Xword)  },
  	    /* XXX: check Solaris values */
  	    { 0, 0 },	/* Elf64_Verdef/Verdaux size varies */
  	    { 0, 0 },	/* Elf64_Verneed/Vernaux size varies */
  	},
      },
  #endif /* __LIBELF64 */
  };
  
  static size_t
  _elf_fsize(unsigned cls, Elf_Type type, unsigned ver) {
      size_t n = 0;
  
      if (!valid_version(ver)) {
  	seterr(ERROR_UNKNOWN_VERSION);
      }
      else if (!valid_type(type)) {
  	seterr(ERROR_UNKNOWN_TYPE);
      }
      else if (!(n = _fsize(cls, ver, type))) {
  	seterr(ERROR_UNKNOWN_TYPE);
      }
      return n;
  }
  
  size_t
  elf32_fsize(Elf_Type type, size_t count, unsigned ver) {
      return count * _elf_fsize(ELFCLASS32, type, ver);
  }
  
  #if __LIBELF64
  
  size_t
  elf64_fsize(Elf_Type type, size_t count, unsigned ver) {
      return count * _elf_fsize(ELFCLASS64, type, ver);
  }
  
  size_t
  gelf_fsize(Elf *elf, Elf_Type type, size_t count, unsigned ver) {
      if (elf) {
  	if (elf->e_kind != ELF_K_ELF) {
  	    seterr(ERROR_NOTELF);
  	}
  	else if (valid_class(elf->e_class)) {
  	    return count * _elf_fsize(elf->e_class, type, ver);
  	}
  	else {
  	    seterr(ERROR_UNKNOWN_CLASS);
  	}
      }
      return 0;
  }
  
  /*
   * Extension: report memory size
   */
  size_t
  gelf_msize(Elf *elf, Elf_Type type, size_t count, unsigned ver) {
      size_t n;
  
      if (elf) {
  	if (elf->e_kind != ELF_K_ELF) {
  	    seterr(ERROR_NOTELF);
  	}
  	else if (!valid_class(elf->e_class)) {
  	    seterr(ERROR_UNKNOWN_CLASS);
  	}
  	else if (!valid_version(ver)) {
  	    seterr(ERROR_UNKNOWN_VERSION);
  	}
  	else if (!valid_type(type)) {
  	    seterr(ERROR_UNKNOWN_TYPE);
  	}
  	else if (!(n = _msize(elf->e_class, ver, type))) {
  	    seterr(ERROR_UNKNOWN_TYPE);
  	}
  	else {
  	    return count * n;
  	}
      }
      return 0;
  }
  
  #endif /* __LIBELF64 */
  