1e99af270a60891e68d465c4cd97dbe29cd1a05e4Petr Machata/* 2e99af270a60891e68d465c4cd97dbe29cd1a05e4Petr Machata * This file is part of ltrace. 3f7864d60f0c8180806ed9b7d8dac26b250bd7120Petr Machata * Copyright (C) 2013 Petr Machata, Red Hat Inc. 4e99af270a60891e68d465c4cd97dbe29cd1a05e4Petr Machata * Copyright (C) 2004,2008,2009 Juan Cespedes 5e99af270a60891e68d465c4cd97dbe29cd1a05e4Petr Machata * 6e99af270a60891e68d465c4cd97dbe29cd1a05e4Petr Machata * This program is free software; you can redistribute it and/or 7e99af270a60891e68d465c4cd97dbe29cd1a05e4Petr Machata * modify it under the terms of the GNU General Public License as 8e99af270a60891e68d465c4cd97dbe29cd1a05e4Petr Machata * published by the Free Software Foundation; either version 2 of the 9e99af270a60891e68d465c4cd97dbe29cd1a05e4Petr Machata * License, or (at your option) any later version. 10e99af270a60891e68d465c4cd97dbe29cd1a05e4Petr Machata * 11e99af270a60891e68d465c4cd97dbe29cd1a05e4Petr Machata * This program is distributed in the hope that it will be useful, but 12e99af270a60891e68d465c4cd97dbe29cd1a05e4Petr Machata * WITHOUT ANY WARRANTY; without even the implied warranty of 13e99af270a60891e68d465c4cd97dbe29cd1a05e4Petr Machata * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14e99af270a60891e68d465c4cd97dbe29cd1a05e4Petr Machata * General Public License for more details. 15e99af270a60891e68d465c4cd97dbe29cd1a05e4Petr Machata * 16e99af270a60891e68d465c4cd97dbe29cd1a05e4Petr Machata * You should have received a copy of the GNU General Public License 17e99af270a60891e68d465c4cd97dbe29cd1a05e4Petr Machata * along with this program; if not, write to the Free Software 18e99af270a60891e68d465c4cd97dbe29cd1a05e4Petr Machata * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 19e99af270a60891e68d465c4cd97dbe29cd1a05e4Petr Machata * 02110-1301 USA 20e99af270a60891e68d465c4cd97dbe29cd1a05e4Petr Machata */ 21e99af270a60891e68d465c4cd97dbe29cd1a05e4Petr Machata 22d914a206a11cc1011a45f00674b1e16988fae77fJuan Cespedes#include <gelf.h> 23f7864d60f0c8180806ed9b7d8dac26b250bd7120Petr Machata#include <stdbool.h> 24f7864d60f0c8180806ed9b7d8dac26b250bd7120Petr Machata 25366c2f46d844f040458df9b7e35fc3b8527ed2d3Petr Machata#include "proc.h" 26f728123bd75a65a6a1536e198c3c30719e494e71Juan Cespedes#include "common.h" 275f8a5e78e9d410b8cb10401e463f9ffc9e062505Petr Machata#include "library.h" 28f7864d60f0c8180806ed9b7d8dac26b250bd7120Petr Machata#include "trace.h" 29d914a206a11cc1011a45f00674b1e16988fae77fJuan Cespedes 30f13505251e6402460f6cc7ec84e0d8ca91607b4fJuan CespedesGElf_Addr 31f13505251e6402460f6cc7ec84e0d8ca91607b4fJuan Cespedesarch_plt_sym_val(struct ltelf *lte, size_t ndx, GElf_Rela * rela) { 322d45b1a8e26a36a9f85dc49e721c4390ca93dc40Ian Wienand return lte->plt_addr + (ndx + 1) * 32; 339a2ad351a1c3215dc596ff3e2e3fd4bc24445a6bIan Wienand} 349a2ad351a1c3215dc596ff3e2e3fd4bc24445a6bIan Wienand 35f13505251e6402460f6cc7ec84e0d8ca91607b4fJuan Cespedesvoid * 36929bd57ca202fd2f2e8485ebf65d683e664f67b5Petr Machatasym2addr(struct process *proc, struct library_symbol *sym) 37929bd57ca202fd2f2e8485ebf65d683e664f67b5Petr Machata{ 3876c61f15d7989bf7adffed2e46a44c34a80bd927Paul Gilliam return sym->enter_addr; 39d914a206a11cc1011a45f00674b1e16988fae77fJuan Cespedes} 40f7864d60f0c8180806ed9b7d8dac26b250bd7120Petr Machata 41f7864d60f0c8180806ed9b7d8dac26b250bd7120Petr Machataenum plt_status 42f7864d60f0c8180806ed9b7d8dac26b250bd7120Petr Machataarch_elf_add_plt_entry(struct process *proc, struct ltelf *lte, 43f7864d60f0c8180806ed9b7d8dac26b250bd7120Petr Machata const char *a_name, GElf_Rela *rela, size_t ndx, 44f7864d60f0c8180806ed9b7d8dac26b250bd7120Petr Machata struct library_symbol **ret) 45f7864d60f0c8180806ed9b7d8dac26b250bd7120Petr Machata{ 46f7864d60f0c8180806ed9b7d8dac26b250bd7120Petr Machata#ifdef R_390_IRELATIVE 47f7864d60f0c8180806ed9b7d8dac26b250bd7120Petr Machata bool irelative = GELF_R_TYPE(rela->r_info) == R_390_IRELATIVE; 48f7864d60f0c8180806ed9b7d8dac26b250bd7120Petr Machata#else 49f7864d60f0c8180806ed9b7d8dac26b250bd7120Petr Machata bool irelative = false; 50f7864d60f0c8180806ed9b7d8dac26b250bd7120Petr Machata#endif 51f7864d60f0c8180806ed9b7d8dac26b250bd7120Petr Machata 52f7864d60f0c8180806ed9b7d8dac26b250bd7120Petr Machata if (irelative) 53f7864d60f0c8180806ed9b7d8dac26b250bd7120Petr Machata return linux_elf_add_plt_entry_irelative(proc, lte, rela, 54f7864d60f0c8180806ed9b7d8dac26b250bd7120Petr Machata ndx, ret); 55f7864d60f0c8180806ed9b7d8dac26b250bd7120Petr Machata 56f7864d60f0c8180806ed9b7d8dac26b250bd7120Petr Machata return PLT_DEFAULT; 57f7864d60f0c8180806ed9b7d8dac26b250bd7120Petr Machata} 58