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 27 #include <stdio.h> 28 #include "_debug.h" 29 #include "msg.h" 30 #include "libld.h" 31 32 33 static int 34 Dbg_got_compare(Gottable *gtp1, Gottable *gtp2) 35 { 36 Gotndx *gnp1 = >p1->gt_gndx; 37 Gotndx *gnp2 = >p2->gt_gndx; 38 39 if (gnp1->gn_gotndx > gnp2->gn_gotndx) 40 return (1); 41 if (gnp1->gn_gotndx < gnp2->gn_gotndx) 42 return (-1); 43 44 return (0); 45 } 46 47 void 48 Dbg_got_display(Ofl_desc *ofl, Off goff, int stage, 49 Word m_got_xnumber, size_t m_got_entsize) 50 { 51 Lm_list *lml = ofl->ofl_lml; 52 Gottable *gtp = ofl->ofl_gottable; 53 Word gotndx; 54 Xword *gptr; 55 56 if (DBG_NOTCLASS(DBG_C_GOT)) 57 return; 58 59 if (ofl->ofl_gotcnt == m_got_xnumber) 60 return; 61 62 Dbg_util_nl(lml, DBG_NL_STD); 63 dbg_print(lml, MSG_INTL(MSG_GOT_INFO), EC_WORD(ofl->ofl_gotcnt)); 64 65 if (DBG_NOTDETAIL()) 66 return; 67 68 qsort((char *)gtp, ofl->ofl_gotcnt, sizeof (Gottable), 69 (int(*)(const void *, const void *))Dbg_got_compare); 70 71 if (stage == 0) 72 dbg_print(lml, MSG_INTL(MSG_GOT_COLUMNS1)); 73 else 74 dbg_print(lml, MSG_INTL(MSG_GOT_COLUMNS2)); 75 76 gptr = (Xword *)ofl->ofl_osgot->os_outdata->d_buf; 77 78 for (gotndx = 0; gotndx < ofl->ofl_gotcnt; gotndx++, gtp++, gptr++) { 79 Sym_desc *sdp = gtp->gt_sym; 80 const char *refstr, *name; 81 Gotndx *gnp = >p->gt_gndx; 82 Lword gotaddval; 83 Off off = goff + (gotndx * m_got_entsize); 84 char index[INDEX_STR_SIZE]; 85 86 (void) snprintf(index, INDEX_STR_SIZE, MSG_ORIG(MSG_GOT_INDEX), 87 EC_SWORD(gnp->gn_gotndx)); 88 89 if (sdp == 0) 90 refstr = MSG_ORIG(MSG_STR_EMPTY); 91 else if (sdp->sd_flags & FLG_SY_SMGOT) 92 refstr = MSG_ORIG(MSG_GOT_SMALL_PIC); 93 else 94 refstr = MSG_ORIG(MSG_GOT_BIG_PIC); 95 96 if (sdp == 0) 97 name = MSG_ORIG(MSG_STR_EMPTY); 98 else if (sdp->sd_name) 99 name = Dbg_demangle_name(sdp->sd_name); 100 else 101 name = MSG_INTL(MSG_STR_UNKNOWN); 102 103 if (stage == 0) 104 gotaddval = gnp->gn_addend; 105 else 106 gotaddval = *gptr; 107 108 if ((sdp == 0) || (sdp->sd_sym->st_shndx == SHN_UNDEF) || 109 (sdp->sd_file == 0)) { 110 dbg_print(lml, MSG_INTL(MSG_GOT_FORMAT1), index, 111 refstr, EC_OFF(off), EC_XWORD(gotaddval), name); 112 } else { 113 dbg_print(lml, MSG_INTL(MSG_GOT_FORMAT2), index, 114 refstr, EC_OFF(off), EC_XWORD(gotaddval), 115 sdp->sd_file->ifl_name, name); 116 } 117 } 118 } 119 120 void 121 Elf_got_title(Lm_list *lml) 122 { 123 dbg_print(lml, MSG_INTL(MSG_GOT_TITLE)); 124 } 125 126 void 127 Elf_got_entry(Lm_list *lml, Sword ndx, Addr addr, Xword value, Half mach, 128 uchar_t ei_target_data, uchar_t ei_host_data, Word type, void *reloc, 129 const char *name) 130 { 131 Rela *rela; 132 Rel *rel; 133 const char *str; 134 Conv_inv_buf_t inv_buf; 135 char index[INDEX_STR_SIZE]; 136 137 (void) snprintf(index, INDEX_STR_SIZE, MSG_ORIG(MSG_GOT_INDEX), 138 EC_SWORD(ndx)); 139 140 /* 141 * Got sections are SHT_PROGBITS, and are therefore not xlated by 142 * libelf. If the target system has a different byte order than 143 * the system displaying the data, swap the bytes so they are 144 * presented properly. 145 */ 146 if (ei_target_data != ei_host_data) 147 value = BSWAP_XWORD(value); 148 149 if (reloc) { 150 if (type == SHT_RELA) { 151 rela = (Rela *)reloc; 152 str = conv_reloc_type(mach, 153 ELF_R_TYPE(rela->r_info, mach), 0, &inv_buf); 154 } else { 155 rel = (Rel *)reloc; 156 str = conv_reloc_type(mach, 157 ELF_R_TYPE(rel->r_info, mach), 0, &inv_buf); 158 } 159 160 if (name) 161 name = Elf_demangle_name(name); 162 else 163 name = MSG_ORIG(MSG_STR_EMPTY); 164 165 dbg_print(lml, MSG_INTL(MSG_GOT_ENTRY_RE), index, EC_ADDR(addr), 166 EC_XWORD(value), str, name); 167 } else 168 dbg_print(lml, MSG_INTL(MSG_GOT_ENTRY_NR), index, EC_ADDR(addr), 169 EC_XWORD(value)); 170 } 171