1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 #pragma ident "%Z%%M% %I% %E% SMI" 27 28 #include <stdio.h> 29 #include "_debug.h" 30 #include "msg.h" 31 #include "libld.h" 32 33 34 static int 35 Dbg_got_compare(Gottable *gtp1, Gottable *gtp2) 36 { 37 Gotndx *gnp1 = >p1->gt_gndx; 38 Gotndx *gnp2 = >p2->gt_gndx; 39 40 if (gnp1->gn_gotndx > gnp2->gn_gotndx) 41 return (1); 42 if (gnp1->gn_gotndx < gnp2->gn_gotndx) 43 return (-1); 44 45 return (0); 46 } 47 48 void 49 Dbg_got_display(Ofl_desc *ofl, Off goff, int stage, 50 Word m_got_xnumber, size_t m_got_entsize) 51 { 52 Lm_list *lml = ofl->ofl_lml; 53 Gottable *gtp = ofl->ofl_gottable; 54 Word gotndx; 55 Xword *gptr; 56 57 if (DBG_NOTCLASS(DBG_C_GOT)) 58 return; 59 60 if (ofl->ofl_gotcnt == m_got_xnumber) 61 return; 62 63 Dbg_util_nl(lml, DBG_NL_STD); 64 dbg_print(lml, MSG_INTL(MSG_GOT_INFO), EC_WORD(ofl->ofl_gotcnt)); 65 66 if (DBG_NOTDETAIL()) 67 return; 68 69 qsort((char *)gtp, ofl->ofl_gotcnt, sizeof (Gottable), 70 (int(*)(const void *, const void *))Dbg_got_compare); 71 72 if (stage == 0) 73 dbg_print(lml, MSG_INTL(MSG_GOT_COLUMNS1)); 74 else 75 dbg_print(lml, MSG_INTL(MSG_GOT_COLUMNS2)); 76 77 gptr = (Xword *)ofl->ofl_osgot->os_outdata->d_buf; 78 79 for (gotndx = 0; gotndx < ofl->ofl_gotcnt; gotndx++, gtp++, gptr++) { 80 Sym_desc *sdp = gtp->gt_sym; 81 const char *refstr, *name; 82 Gotndx *gnp = >p->gt_gndx; 83 Lword gotaddval; 84 Off off = goff + (gotndx * m_got_entsize); 85 char index[INDEX_STR_SIZE]; 86 87 (void) snprintf(index, INDEX_STR_SIZE, MSG_ORIG(MSG_GOT_INDEX), 88 EC_SWORD(gnp->gn_gotndx)); 89 90 if (sdp == 0) 91 refstr = MSG_ORIG(MSG_STR_EMPTY); 92 else if (sdp->sd_flags & FLG_SY_SMGOT) 93 refstr = MSG_ORIG(MSG_GOT_SMALL_PIC); 94 else 95 refstr = MSG_ORIG(MSG_GOT_BIG_PIC); 96 97 if (sdp == 0) 98 name = MSG_ORIG(MSG_STR_EMPTY); 99 else if (sdp->sd_name) 100 name = Dbg_demangle_name(sdp->sd_name); 101 else 102 name = MSG_INTL(MSG_STR_UNKNOWN); 103 104 if (stage == 0) 105 gotaddval = gnp->gn_addend; 106 else 107 gotaddval = *gptr; 108 109 if ((sdp == 0) || (sdp->sd_sym->st_shndx == SHN_UNDEF) || 110 (sdp->sd_file == 0)) { 111 dbg_print(lml, MSG_INTL(MSG_GOT_FORMAT1), index, 112 refstr, EC_OFF(off), EC_XWORD(gotaddval), name); 113 } else { 114 dbg_print(lml, MSG_INTL(MSG_GOT_FORMAT2), index, 115 refstr, EC_OFF(off), EC_XWORD(gotaddval), 116 sdp->sd_file->ifl_name, name); 117 } 118 } 119 } 120 121 void 122 Elf_got_title(Lm_list *lml) 123 { 124 dbg_print(lml, MSG_INTL(MSG_GOT_TITLE)); 125 } 126 127 void 128 Elf_got_entry(Lm_list *lml, Sword ndx, Addr addr, Xword value, Half mach, 129 uchar_t ei_target_data, uchar_t ei_host_data, Word type, void *reloc, 130 const char *name) 131 { 132 Rela *rela; 133 Rel *rel; 134 const char *str; 135 Conv_inv_buf_t inv_buf; 136 char index[INDEX_STR_SIZE]; 137 138 (void) snprintf(index, INDEX_STR_SIZE, MSG_ORIG(MSG_GOT_INDEX), 139 EC_SWORD(ndx)); 140 141 /* 142 * Got sections are SHT_PROGBITS, and are therefore not xlated by 143 * libelf. If the target system has a different byte order than 144 * the system displaying the data, swap the bytes so they are 145 * presented properly. 146 */ 147 if (ei_target_data != ei_host_data) 148 value = BSWAP_XWORD(value); 149 150 if (reloc) { 151 if (type == SHT_RELA) { 152 rela = (Rela *)reloc; 153 str = conv_reloc_type(mach, 154 ELF_R_TYPE(rela->r_info, mach), 0, &inv_buf); 155 } else { 156 rel = (Rel *)reloc; 157 str = conv_reloc_type(mach, 158 ELF_R_TYPE(rel->r_info, mach), 0, &inv_buf); 159 } 160 161 if (name) 162 name = Elf_demangle_name(name); 163 else 164 name = MSG_ORIG(MSG_STR_EMPTY); 165 166 dbg_print(lml, MSG_INTL(MSG_GOT_ENTRY_RE), index, EC_ADDR(addr), 167 EC_XWORD(value), str, name); 168 } else 169 dbg_print(lml, MSG_INTL(MSG_GOT_ENTRY_NR), index, EC_ADDR(addr), 170 EC_XWORD(value)); 171 } 172