diff options
Diffstat (limited to 'ldso/ldso/mips/elfinterp.c')
| -rw-r--r-- | ldso/ldso/mips/elfinterp.c | 69 |
1 files changed, 33 insertions, 36 deletions
diff --git a/ldso/ldso/mips/elfinterp.c b/ldso/ldso/mips/elfinterp.c index 377c8fa61..bac0cf584 100644 --- a/ldso/ldso/mips/elfinterp.c +++ b/ldso/ldso/mips/elfinterp.c @@ -1,34 +1,31 @@ /* vi: set sw=4 ts=4: */ - -/* Run an ELF binary on a linux system. - +/* mips/mipsel ELF shared library loader suppport + * Copyright (C) 2002, Steven J. Hill (sjhill@realitydiluted.com) - - 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, 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ - - -/* Program to load an ELF binary on a linux system, and run it. - References to symbols in sharable libraries can be resolved by either - an ELF sharable library or a linux style of shared library. */ - -/* Disclaimer: I have never seen any AT&T source code for SVr4, nor have - I ever taken any courses on internals. This program was developed using - information available through the book "UNIX SYSTEM V RELEASE 4, - Programmers guide: Ansi C and Programming Support Tools", which did - a more than adequate job of explaining everything required to get this - working. */ + * + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. The name of the above contributors may not be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ extern int _dl_linux_resolve(void); @@ -55,11 +52,11 @@ unsigned long _dl_linux_resolver(unsigned long sym_index, strtab = (char *) (tpnt->dynamic_info[DT_STRTAB] + tpnt->loadaddr); value = (unsigned long) _dl_find_hash(strtab + sym->st_name, - tpnt->symbol_scope, tpnt, 1); + tpnt->symbol_scope, tpnt, resolver); *(got + local_gotno + sym_index - gotsym) = value; -#ifdef DL_DEBUG +#ifdef LD_DEBUG _dl_dprintf(2, "---RESOLVER---\n"); _dl_dprintf(2, "SYMTAB INDEX: %i\n", sym_index); _dl_dprintf(2, " GOTSYM: %i\n", gotsym); @@ -167,7 +164,7 @@ void _dl_perform_mips_global_got_relocations(struct elf_resolve *tpnt) /* Relocate the global GOT entries for the object */ while(i--) { -#ifdef DL_DEBUG +#ifdef LD_DEBUG _dl_dprintf(2,"BEFORE: %s=%x\n", strtab + sym->st_name, *got_entry); #endif @@ -176,12 +173,12 @@ void _dl_perform_mips_global_got_relocations(struct elf_resolve *tpnt) *got_entry = sym->st_value + (unsigned long) tpnt->loadaddr; else { *got_entry = (unsigned long) _dl_find_hash(strtab + - sym->st_name, tpnt->symbol_scope, NULL, 1); + sym->st_name, tpnt->symbol_scope, NULL, copyrel); } } else if (sym->st_shndx == SHN_COMMON) { *got_entry = (unsigned long) _dl_find_hash(strtab + - sym->st_name, tpnt->symbol_scope, NULL, 1); + sym->st_name, tpnt->symbol_scope, NULL, copyrel); } else if (ELF32_ST_TYPE(sym->st_info) == STT_FUNC && *got_entry != sym->st_value) @@ -192,10 +189,10 @@ void _dl_perform_mips_global_got_relocations(struct elf_resolve *tpnt) } else { *got_entry = (unsigned long) _dl_find_hash(strtab + - sym->st_name, tpnt->symbol_scope, NULL, 1); + sym->st_name, tpnt->symbol_scope, NULL, copyrel); } -#ifdef DL_DEBUG +#ifdef LD_DEBUG if (*got_entry == 0) _dl_dprintf(2,"ZERO: %s\n", strtab + sym->st_name); else |