125b3c049e70834cf33790a28643ab058b507b35cBen Cheng/* Print contents of object file note. 225b3c049e70834cf33790a28643ab058b507b35cBen Cheng Copyright (C) 2002, 2007, 2009, 2011 Red Hat, Inc. 325b3c049e70834cf33790a28643ab058b507b35cBen Cheng This file is part of Red Hat elfutils. 425b3c049e70834cf33790a28643ab058b507b35cBen Cheng Written by Ulrich Drepper <drepper@redhat.com>, 2002. 525b3c049e70834cf33790a28643ab058b507b35cBen Cheng 625b3c049e70834cf33790a28643ab058b507b35cBen Cheng Red Hat elfutils is free software; you can redistribute it and/or modify 725b3c049e70834cf33790a28643ab058b507b35cBen Cheng it under the terms of the GNU General Public License as published by the 825b3c049e70834cf33790a28643ab058b507b35cBen Cheng Free Software Foundation; version 2 of the License. 925b3c049e70834cf33790a28643ab058b507b35cBen Cheng 1025b3c049e70834cf33790a28643ab058b507b35cBen Cheng Red Hat elfutils is distributed in the hope that it will be useful, but 1125b3c049e70834cf33790a28643ab058b507b35cBen Cheng WITHOUT ANY WARRANTY; without even the implied warranty of 1225b3c049e70834cf33790a28643ab058b507b35cBen Cheng MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 1325b3c049e70834cf33790a28643ab058b507b35cBen Cheng General Public License for more details. 1425b3c049e70834cf33790a28643ab058b507b35cBen Cheng 1525b3c049e70834cf33790a28643ab058b507b35cBen Cheng You should have received a copy of the GNU General Public License along 1625b3c049e70834cf33790a28643ab058b507b35cBen Cheng with Red Hat elfutils; if not, write to the Free Software Foundation, 1725b3c049e70834cf33790a28643ab058b507b35cBen Cheng Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA. 1825b3c049e70834cf33790a28643ab058b507b35cBen Cheng 1925b3c049e70834cf33790a28643ab058b507b35cBen Cheng In addition, as a special exception, Red Hat, Inc. gives You the 2025b3c049e70834cf33790a28643ab058b507b35cBen Cheng additional right to link the code of Red Hat elfutils with code licensed 2125b3c049e70834cf33790a28643ab058b507b35cBen Cheng under any Open Source Initiative certified open source license 2225b3c049e70834cf33790a28643ab058b507b35cBen Cheng (http://www.opensource.org/licenses/index.php) which requires the 2325b3c049e70834cf33790a28643ab058b507b35cBen Cheng distribution of source code with any binary distribution and to 2425b3c049e70834cf33790a28643ab058b507b35cBen Cheng distribute linked combinations of the two. Non-GPL Code permitted under 2525b3c049e70834cf33790a28643ab058b507b35cBen Cheng this exception must only link to the code of Red Hat elfutils through 2625b3c049e70834cf33790a28643ab058b507b35cBen Cheng those well defined interfaces identified in the file named EXCEPTION 2725b3c049e70834cf33790a28643ab058b507b35cBen Cheng found in the source code files (the "Approved Interfaces"). The files 2825b3c049e70834cf33790a28643ab058b507b35cBen Cheng of Non-GPL Code may instantiate templates or use macros or inline 2925b3c049e70834cf33790a28643ab058b507b35cBen Cheng functions from the Approved Interfaces without causing the resulting 3025b3c049e70834cf33790a28643ab058b507b35cBen Cheng work to be covered by the GNU General Public License. Only Red Hat, 3125b3c049e70834cf33790a28643ab058b507b35cBen Cheng Inc. may make changes or additions to the list of Approved Interfaces. 3225b3c049e70834cf33790a28643ab058b507b35cBen Cheng Red Hat's grant of this exception is conditioned upon your not adding 3325b3c049e70834cf33790a28643ab058b507b35cBen Cheng any new exceptions. If you wish to add a new Approved Interface or 3425b3c049e70834cf33790a28643ab058b507b35cBen Cheng exception, please contact Red Hat. You must obey the GNU General Public 3525b3c049e70834cf33790a28643ab058b507b35cBen Cheng License in all respects for all of the Red Hat elfutils code and other 3625b3c049e70834cf33790a28643ab058b507b35cBen Cheng code used in conjunction with Red Hat elfutils except the Non-GPL Code 3725b3c049e70834cf33790a28643ab058b507b35cBen Cheng covered by this exception. If you modify this file, you may extend this 3825b3c049e70834cf33790a28643ab058b507b35cBen Cheng exception to your version of the file, but you are not obligated to do 3925b3c049e70834cf33790a28643ab058b507b35cBen Cheng so. If you do not wish to provide this exception without modification, 4025b3c049e70834cf33790a28643ab058b507b35cBen Cheng you must delete this exception statement from your version and license 4125b3c049e70834cf33790a28643ab058b507b35cBen Cheng this file solely under the GPL without exception. 4225b3c049e70834cf33790a28643ab058b507b35cBen Cheng 4325b3c049e70834cf33790a28643ab058b507b35cBen Cheng Red Hat elfutils is an included package of the Open Invention Network. 4425b3c049e70834cf33790a28643ab058b507b35cBen Cheng An included package of the Open Invention Network is a package for which 4525b3c049e70834cf33790a28643ab058b507b35cBen Cheng Open Invention Network licensees cross-license their patents. No patent 4625b3c049e70834cf33790a28643ab058b507b35cBen Cheng license is granted, either expressly or impliedly, by designation as an 4725b3c049e70834cf33790a28643ab058b507b35cBen Cheng included package. Should you wish to participate in the Open Invention 4825b3c049e70834cf33790a28643ab058b507b35cBen Cheng Network licensing program, please visit www.openinventionnetwork.com 4925b3c049e70834cf33790a28643ab058b507b35cBen Cheng <http://www.openinventionnetwork.com>. */ 5025b3c049e70834cf33790a28643ab058b507b35cBen Cheng 5125b3c049e70834cf33790a28643ab058b507b35cBen Cheng#ifdef HAVE_CONFIG_H 5225b3c049e70834cf33790a28643ab058b507b35cBen Cheng# include <config.h> 5325b3c049e70834cf33790a28643ab058b507b35cBen Cheng#endif 5425b3c049e70834cf33790a28643ab058b507b35cBen Cheng 5525b3c049e70834cf33790a28643ab058b507b35cBen Cheng#include <inttypes.h> 5625b3c049e70834cf33790a28643ab058b507b35cBen Cheng#include <stdio.h> 5725b3c049e70834cf33790a28643ab058b507b35cBen Cheng#include <string.h> 5825b3c049e70834cf33790a28643ab058b507b35cBen Cheng#include <libeblP.h> 5925b3c049e70834cf33790a28643ab058b507b35cBen Cheng 6025b3c049e70834cf33790a28643ab058b507b35cBen Cheng 6125b3c049e70834cf33790a28643ab058b507b35cBen Chengvoid 6225b3c049e70834cf33790a28643ab058b507b35cBen Chengebl_object_note (ebl, name, type, descsz, desc) 6325b3c049e70834cf33790a28643ab058b507b35cBen Cheng Ebl *ebl; 6425b3c049e70834cf33790a28643ab058b507b35cBen Cheng const char *name; 6525b3c049e70834cf33790a28643ab058b507b35cBen Cheng uint32_t type; 6625b3c049e70834cf33790a28643ab058b507b35cBen Cheng uint32_t descsz; 6725b3c049e70834cf33790a28643ab058b507b35cBen Cheng const char *desc; 6825b3c049e70834cf33790a28643ab058b507b35cBen Cheng{ 6925b3c049e70834cf33790a28643ab058b507b35cBen Cheng if (! ebl->object_note (name, type, descsz, desc)) 7025b3c049e70834cf33790a28643ab058b507b35cBen Cheng /* The machine specific function did not know this type. */ 7125b3c049e70834cf33790a28643ab058b507b35cBen Cheng 7225b3c049e70834cf33790a28643ab058b507b35cBen Cheng if (strcmp ("stapsdt", name) == 0) 7325b3c049e70834cf33790a28643ab058b507b35cBen Cheng { 7425b3c049e70834cf33790a28643ab058b507b35cBen Cheng if (type != 3) 7525b3c049e70834cf33790a28643ab058b507b35cBen Cheng { 7625b3c049e70834cf33790a28643ab058b507b35cBen Cheng printf (gettext ("unknown SDT version %u\n"), type); 7725b3c049e70834cf33790a28643ab058b507b35cBen Cheng return; 7825b3c049e70834cf33790a28643ab058b507b35cBen Cheng } 7925b3c049e70834cf33790a28643ab058b507b35cBen Cheng 8025b3c049e70834cf33790a28643ab058b507b35cBen Cheng /* Descriptor starts with three addresses, pc, base ref and 8125b3c049e70834cf33790a28643ab058b507b35cBen Cheng semaphore. Then three zero terminated strings provider, 8225b3c049e70834cf33790a28643ab058b507b35cBen Cheng name and arguments. */ 8325b3c049e70834cf33790a28643ab058b507b35cBen Cheng 8425b3c049e70834cf33790a28643ab058b507b35cBen Cheng union 8525b3c049e70834cf33790a28643ab058b507b35cBen Cheng { 8625b3c049e70834cf33790a28643ab058b507b35cBen Cheng Elf64_Addr a64[3]; 8725b3c049e70834cf33790a28643ab058b507b35cBen Cheng Elf32_Addr a32[3]; 8825b3c049e70834cf33790a28643ab058b507b35cBen Cheng } addrs; 8925b3c049e70834cf33790a28643ab058b507b35cBen Cheng 9025b3c049e70834cf33790a28643ab058b507b35cBen Cheng size_t addrs_size = gelf_fsize (ebl->elf, ELF_T_ADDR, 3, EV_CURRENT); 9125b3c049e70834cf33790a28643ab058b507b35cBen Cheng if (descsz < addrs_size + 3) 9225b3c049e70834cf33790a28643ab058b507b35cBen Cheng { 9325b3c049e70834cf33790a28643ab058b507b35cBen Cheng invalid_sdt: 9425b3c049e70834cf33790a28643ab058b507b35cBen Cheng printf (gettext ("invalid SDT probe descriptor\n")); 9525b3c049e70834cf33790a28643ab058b507b35cBen Cheng return; 9625b3c049e70834cf33790a28643ab058b507b35cBen Cheng } 9725b3c049e70834cf33790a28643ab058b507b35cBen Cheng 9825b3c049e70834cf33790a28643ab058b507b35cBen Cheng Elf_Data src = 9925b3c049e70834cf33790a28643ab058b507b35cBen Cheng { 10025b3c049e70834cf33790a28643ab058b507b35cBen Cheng .d_type = ELF_T_ADDR, .d_version = EV_CURRENT, 10125b3c049e70834cf33790a28643ab058b507b35cBen Cheng .d_buf = (void *) desc, .d_size = addrs_size 10225b3c049e70834cf33790a28643ab058b507b35cBen Cheng }; 10325b3c049e70834cf33790a28643ab058b507b35cBen Cheng 10425b3c049e70834cf33790a28643ab058b507b35cBen Cheng Elf_Data dst = 10525b3c049e70834cf33790a28643ab058b507b35cBen Cheng { 10625b3c049e70834cf33790a28643ab058b507b35cBen Cheng .d_type = ELF_T_ADDR, .d_version = EV_CURRENT, 10725b3c049e70834cf33790a28643ab058b507b35cBen Cheng .d_buf = &addrs, .d_size = addrs_size 10825b3c049e70834cf33790a28643ab058b507b35cBen Cheng }; 10925b3c049e70834cf33790a28643ab058b507b35cBen Cheng 11025b3c049e70834cf33790a28643ab058b507b35cBen Cheng if (gelf_xlatetom (ebl->elf, &dst, &src, 11125b3c049e70834cf33790a28643ab058b507b35cBen Cheng elf_getident (ebl->elf, NULL)[EI_DATA]) == NULL) 11225b3c049e70834cf33790a28643ab058b507b35cBen Cheng { 11325b3c049e70834cf33790a28643ab058b507b35cBen Cheng printf ("%s\n", elf_errmsg (-1)); 11425b3c049e70834cf33790a28643ab058b507b35cBen Cheng return; 11525b3c049e70834cf33790a28643ab058b507b35cBen Cheng } 11625b3c049e70834cf33790a28643ab058b507b35cBen Cheng 11725b3c049e70834cf33790a28643ab058b507b35cBen Cheng const char *provider = desc + addrs_size; 11825b3c049e70834cf33790a28643ab058b507b35cBen Cheng const char *pname = memchr (provider, '\0', desc + descsz - provider); 11925b3c049e70834cf33790a28643ab058b507b35cBen Cheng if (pname == NULL) 12025b3c049e70834cf33790a28643ab058b507b35cBen Cheng goto invalid_sdt; 12125b3c049e70834cf33790a28643ab058b507b35cBen Cheng 12225b3c049e70834cf33790a28643ab058b507b35cBen Cheng ++pname; 12325b3c049e70834cf33790a28643ab058b507b35cBen Cheng const char *args = memchr (pname, '\0', desc + descsz - pname); 12425b3c049e70834cf33790a28643ab058b507b35cBen Cheng if (args == NULL || 12525b3c049e70834cf33790a28643ab058b507b35cBen Cheng memchr (++args, '\0', desc + descsz - pname) != desc + descsz - 1) 12625b3c049e70834cf33790a28643ab058b507b35cBen Cheng goto invalid_sdt; 12725b3c049e70834cf33790a28643ab058b507b35cBen Cheng 12825b3c049e70834cf33790a28643ab058b507b35cBen Cheng GElf_Addr pc; 12925b3c049e70834cf33790a28643ab058b507b35cBen Cheng GElf_Addr base; 13025b3c049e70834cf33790a28643ab058b507b35cBen Cheng GElf_Addr sem; 13125b3c049e70834cf33790a28643ab058b507b35cBen Cheng if (gelf_getclass (ebl->elf) == ELFCLASS32) 13225b3c049e70834cf33790a28643ab058b507b35cBen Cheng { 13325b3c049e70834cf33790a28643ab058b507b35cBen Cheng pc = addrs.a32[0]; 13425b3c049e70834cf33790a28643ab058b507b35cBen Cheng base = addrs.a32[1]; 13525b3c049e70834cf33790a28643ab058b507b35cBen Cheng sem = addrs.a32[2]; 13625b3c049e70834cf33790a28643ab058b507b35cBen Cheng } 13725b3c049e70834cf33790a28643ab058b507b35cBen Cheng else 13825b3c049e70834cf33790a28643ab058b507b35cBen Cheng { 13925b3c049e70834cf33790a28643ab058b507b35cBen Cheng pc = addrs.a64[0]; 14025b3c049e70834cf33790a28643ab058b507b35cBen Cheng base = addrs.a64[1]; 14125b3c049e70834cf33790a28643ab058b507b35cBen Cheng sem = addrs.a64[2]; 14225b3c049e70834cf33790a28643ab058b507b35cBen Cheng } 14325b3c049e70834cf33790a28643ab058b507b35cBen Cheng 14425b3c049e70834cf33790a28643ab058b507b35cBen Cheng printf (gettext (" PC: ")); 14525b3c049e70834cf33790a28643ab058b507b35cBen Cheng printf ("%#" PRIx64 ",", pc); 14625b3c049e70834cf33790a28643ab058b507b35cBen Cheng printf (gettext (" Base: ")); 14725b3c049e70834cf33790a28643ab058b507b35cBen Cheng printf ("%#" PRIx64 ",", base); 14825b3c049e70834cf33790a28643ab058b507b35cBen Cheng printf (gettext (" Semaphore: ")); 14925b3c049e70834cf33790a28643ab058b507b35cBen Cheng printf ("%#" PRIx64 "\n", sem); 15025b3c049e70834cf33790a28643ab058b507b35cBen Cheng printf (gettext (" Provider: ")); 15125b3c049e70834cf33790a28643ab058b507b35cBen Cheng printf ("%s,", provider); 15225b3c049e70834cf33790a28643ab058b507b35cBen Cheng printf (gettext (" Name: ")); 15325b3c049e70834cf33790a28643ab058b507b35cBen Cheng printf ("%s,", pname); 15425b3c049e70834cf33790a28643ab058b507b35cBen Cheng printf (gettext (" Args: ")); 15525b3c049e70834cf33790a28643ab058b507b35cBen Cheng printf ("'%s'\n", args); 15625b3c049e70834cf33790a28643ab058b507b35cBen Cheng return; 15725b3c049e70834cf33790a28643ab058b507b35cBen Cheng } 15825b3c049e70834cf33790a28643ab058b507b35cBen Cheng 15925b3c049e70834cf33790a28643ab058b507b35cBen Cheng switch (type) 16025b3c049e70834cf33790a28643ab058b507b35cBen Cheng { 16125b3c049e70834cf33790a28643ab058b507b35cBen Cheng case NT_GNU_BUILD_ID: 16225b3c049e70834cf33790a28643ab058b507b35cBen Cheng if (strcmp (name, "GNU") == 0 && descsz > 0) 16325b3c049e70834cf33790a28643ab058b507b35cBen Cheng { 16425b3c049e70834cf33790a28643ab058b507b35cBen Cheng printf (gettext (" Build ID: ")); 16525b3c049e70834cf33790a28643ab058b507b35cBen Cheng uint_fast32_t i; 16625b3c049e70834cf33790a28643ab058b507b35cBen Cheng for (i = 0; i < descsz - 1; ++i) 16725b3c049e70834cf33790a28643ab058b507b35cBen Cheng printf ("%02" PRIx8, (uint8_t) desc[i]); 16825b3c049e70834cf33790a28643ab058b507b35cBen Cheng printf ("%02" PRIx8 "\n", (uint8_t) desc[i]); 16925b3c049e70834cf33790a28643ab058b507b35cBen Cheng } 17025b3c049e70834cf33790a28643ab058b507b35cBen Cheng break; 17125b3c049e70834cf33790a28643ab058b507b35cBen Cheng 17225b3c049e70834cf33790a28643ab058b507b35cBen Cheng case NT_GNU_GOLD_VERSION: 17325b3c049e70834cf33790a28643ab058b507b35cBen Cheng if (strcmp (name, "GNU") == 0 && descsz > 0) 17425b3c049e70834cf33790a28643ab058b507b35cBen Cheng /* A non-null terminated version string. */ 17525b3c049e70834cf33790a28643ab058b507b35cBen Cheng printf (gettext (" Linker version: %.*s\n"), 17625b3c049e70834cf33790a28643ab058b507b35cBen Cheng (int) descsz, desc); 17725b3c049e70834cf33790a28643ab058b507b35cBen Cheng break; 17825b3c049e70834cf33790a28643ab058b507b35cBen Cheng 17925b3c049e70834cf33790a28643ab058b507b35cBen Cheng case NT_GNU_ABI_TAG: 18025b3c049e70834cf33790a28643ab058b507b35cBen Cheng if (strcmp (name, "GNU") == 0 && descsz >= 8 && descsz % 4 == 0) 18125b3c049e70834cf33790a28643ab058b507b35cBen Cheng { 18225b3c049e70834cf33790a28643ab058b507b35cBen Cheng Elf_Data in = 18325b3c049e70834cf33790a28643ab058b507b35cBen Cheng { 18425b3c049e70834cf33790a28643ab058b507b35cBen Cheng .d_version = EV_CURRENT, 18525b3c049e70834cf33790a28643ab058b507b35cBen Cheng .d_type = ELF_T_WORD, 18625b3c049e70834cf33790a28643ab058b507b35cBen Cheng .d_size = descsz, 18725b3c049e70834cf33790a28643ab058b507b35cBen Cheng .d_buf = (void *) desc 18825b3c049e70834cf33790a28643ab058b507b35cBen Cheng }; 18925b3c049e70834cf33790a28643ab058b507b35cBen Cheng uint32_t buf[descsz / 4]; 19025b3c049e70834cf33790a28643ab058b507b35cBen Cheng Elf_Data out = 19125b3c049e70834cf33790a28643ab058b507b35cBen Cheng { 19225b3c049e70834cf33790a28643ab058b507b35cBen Cheng .d_version = EV_CURRENT, 19325b3c049e70834cf33790a28643ab058b507b35cBen Cheng .d_type = ELF_T_WORD, 19425b3c049e70834cf33790a28643ab058b507b35cBen Cheng .d_size = descsz, 19525b3c049e70834cf33790a28643ab058b507b35cBen Cheng .d_buf = buf 19625b3c049e70834cf33790a28643ab058b507b35cBen Cheng }; 19725b3c049e70834cf33790a28643ab058b507b35cBen Cheng 19825b3c049e70834cf33790a28643ab058b507b35cBen Cheng if (elf32_xlatetom (&out, &in, ebl->data) != NULL) 19925b3c049e70834cf33790a28643ab058b507b35cBen Cheng { 20025b3c049e70834cf33790a28643ab058b507b35cBen Cheng const char *os; 20125b3c049e70834cf33790a28643ab058b507b35cBen Cheng switch (buf[0]) 20225b3c049e70834cf33790a28643ab058b507b35cBen Cheng { 20325b3c049e70834cf33790a28643ab058b507b35cBen Cheng case ELF_NOTE_OS_LINUX: 20425b3c049e70834cf33790a28643ab058b507b35cBen Cheng os = "Linux"; 20525b3c049e70834cf33790a28643ab058b507b35cBen Cheng break; 20625b3c049e70834cf33790a28643ab058b507b35cBen Cheng 20725b3c049e70834cf33790a28643ab058b507b35cBen Cheng case ELF_NOTE_OS_GNU: 20825b3c049e70834cf33790a28643ab058b507b35cBen Cheng os = "GNU"; 20925b3c049e70834cf33790a28643ab058b507b35cBen Cheng break; 21025b3c049e70834cf33790a28643ab058b507b35cBen Cheng 21125b3c049e70834cf33790a28643ab058b507b35cBen Cheng case ELF_NOTE_OS_SOLARIS2: 21225b3c049e70834cf33790a28643ab058b507b35cBen Cheng os = "Solaris"; 21325b3c049e70834cf33790a28643ab058b507b35cBen Cheng break; 21425b3c049e70834cf33790a28643ab058b507b35cBen Cheng 21525b3c049e70834cf33790a28643ab058b507b35cBen Cheng case ELF_NOTE_OS_FREEBSD: 21625b3c049e70834cf33790a28643ab058b507b35cBen Cheng os = "FreeBSD"; 21725b3c049e70834cf33790a28643ab058b507b35cBen Cheng break; 21825b3c049e70834cf33790a28643ab058b507b35cBen Cheng 21925b3c049e70834cf33790a28643ab058b507b35cBen Cheng default: 22025b3c049e70834cf33790a28643ab058b507b35cBen Cheng os = "???"; 22125b3c049e70834cf33790a28643ab058b507b35cBen Cheng break; 22225b3c049e70834cf33790a28643ab058b507b35cBen Cheng } 22325b3c049e70834cf33790a28643ab058b507b35cBen Cheng 22425b3c049e70834cf33790a28643ab058b507b35cBen Cheng printf (gettext (" OS: %s, ABI: "), os); 22525b3c049e70834cf33790a28643ab058b507b35cBen Cheng for (size_t cnt = 1; cnt < descsz / 4; ++cnt) 22625b3c049e70834cf33790a28643ab058b507b35cBen Cheng { 22725b3c049e70834cf33790a28643ab058b507b35cBen Cheng if (cnt > 1) 22825b3c049e70834cf33790a28643ab058b507b35cBen Cheng putchar_unlocked ('.'); 22925b3c049e70834cf33790a28643ab058b507b35cBen Cheng printf ("%" PRIu32, buf[cnt]); 23025b3c049e70834cf33790a28643ab058b507b35cBen Cheng } 23125b3c049e70834cf33790a28643ab058b507b35cBen Cheng putchar_unlocked ('\n'); 23225b3c049e70834cf33790a28643ab058b507b35cBen Cheng } 23325b3c049e70834cf33790a28643ab058b507b35cBen Cheng break; 23425b3c049e70834cf33790a28643ab058b507b35cBen Cheng } 23525b3c049e70834cf33790a28643ab058b507b35cBen Cheng /* FALLTHROUGH */ 23625b3c049e70834cf33790a28643ab058b507b35cBen Cheng 23725b3c049e70834cf33790a28643ab058b507b35cBen Cheng default: 23825b3c049e70834cf33790a28643ab058b507b35cBen Cheng /* Unknown type. */ 23925b3c049e70834cf33790a28643ab058b507b35cBen Cheng break; 24025b3c049e70834cf33790a28643ab058b507b35cBen Cheng } 24125b3c049e70834cf33790a28643ab058b507b35cBen Cheng} 242