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 2009 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* 28 * String conversion routines for program header attributes. 29 */ 30 #include <string.h> 31 #include <_conv.h> 32 #include <phdr_msg.h> 33 34 /* Instantiate a local copy of conv_map2str() from _conv.h */ 35 DEFINE_conv_map2str 36 37 /*ARGSUSED*/ 38 const char * 39 conv_phdr_type(Half mach, Word type, Conv_fmt_flags_t fmt_flags, 40 Conv_inv_buf_t *inv_buf) 41 { 42 static const Msg phdrs[] = { 43 MSG_PT_NULL, MSG_PT_LOAD, 44 MSG_PT_DYNAMIC, MSG_PT_INTERP, 45 MSG_PT_NOTE, MSG_PT_SHLIB, 46 MSG_PT_PHDR, MSG_PT_TLS 47 }; 48 static const Msg phdrs_alt[] = { 49 MSG_PT_NULL_ALT, MSG_PT_LOAD_ALT, 50 MSG_PT_DYNAMIC_ALT, MSG_PT_INTERP_ALT, 51 MSG_PT_NOTE_ALT, MSG_PT_SHLIB_ALT, 52 MSG_PT_PHDR_ALT, MSG_PT_TLS_ALT 53 }; 54 #if PT_NUM != (PT_TLS + 1) 55 error "PT_NUM has grown. Update phdrs[]" 56 #endif 57 static const Msg uphdrs[] = { 58 MSG_PT_SUNWBSS, MSG_PT_SUNWSTACK, 59 MSG_PT_SUNWDTRACE, MSG_PT_SUNWCAP 60 }; 61 static const Msg uphdrs_alt[] = { 62 MSG_PT_SUNWBSS_ALT, MSG_PT_SUNWSTACK_ALT, 63 MSG_PT_SUNWDTRACE_ALT, MSG_PT_SUNWCAP_ALT 64 }; 65 #if PT_LOSUNW != PT_SUNWBSS 66 #error "PT_LOSUNW has grown. Update uphdrs[]" 67 #endif 68 69 if (type < PT_NUM) { 70 switch (CONV_TYPE_FMT_ALT(fmt_flags)) { 71 case CONV_FMT_ALT_DUMP: 72 case CONV_FMT_ALT_FILE: 73 return (conv_map2str(inv_buf, type, fmt_flags, 74 ARRAY_NELTS(phdrs_alt), phdrs_alt)); 75 default: 76 return (conv_map2str(inv_buf, type, fmt_flags, 77 ARRAY_NELTS(phdrs), phdrs)); 78 } 79 } else if ((type >= PT_SUNWBSS) && (type <= PT_HISUNW)) { 80 switch (CONV_TYPE_FMT_ALT(fmt_flags)) { 81 case CONV_FMT_ALT_DUMP: 82 case CONV_FMT_ALT_FILE: 83 return (conv_map2str(inv_buf, (type - PT_SUNWBSS), 84 fmt_flags, ARRAY_NELTS(uphdrs_alt), uphdrs_alt)); 85 default: 86 return (conv_map2str(inv_buf, (type - PT_SUNWBSS), 87 fmt_flags, ARRAY_NELTS(uphdrs), uphdrs)); 88 } 89 } else if (type == PT_SUNW_UNWIND) { 90 switch (CONV_TYPE_FMT_ALT(fmt_flags)) { 91 case CONV_FMT_ALT_DUMP: 92 case CONV_FMT_ALT_FILE: 93 return (MSG_ORIG(MSG_PT_SUNW_UNWIND_ALT)); 94 default: 95 return (MSG_ORIG(MSG_PT_SUNW_UNWIND)); 96 } 97 } else if (type == PT_SUNW_EH_FRAME) { 98 switch (CONV_TYPE_FMT_ALT(fmt_flags)) { 99 case CONV_FMT_ALT_DUMP: 100 case CONV_FMT_ALT_FILE: 101 return (MSG_ORIG(MSG_PT_SUNW_EH_FRAME_ALT)); 102 default: 103 return (MSG_ORIG(MSG_PT_SUNW_EH_FRAME)); 104 } 105 } else 106 return (conv_invalid_val(inv_buf, type, 0)); 107 } 108 109 #define PHDRSZ CONV_EXPN_FIELD_DEF_PREFIX_SIZE + \ 110 MSG_PF_X_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \ 111 MSG_PF_W_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \ 112 MSG_PF_R_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \ 113 MSG_PF_SUNW_FAILURE_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \ 114 CONV_INV_BUFSIZE + CONV_EXPN_FIELD_DEF_SUFFIX_SIZE 115 116 /* 117 * Ensure that Conv_phdr_flags_buf_t is large enough: 118 * 119 * PHDRSZ is the real minimum size of the buffer required by conv_phdr_flags(). 120 * However, Conv_phdr_flags_buf_t uses CONV_PHDR_FLAGS_BUFSIZE to set the 121 * buffer size. We do things this way because the definition of PHDRSZ uses 122 * information that is not available in the environment of other programs 123 * that include the conv.h header file. 124 */ 125 #if (CONV_PHDR_FLAGS_BUFSIZE != PHDRSZ) && !defined(__lint) 126 #define REPORT_BUFSIZE PHDRSZ 127 #include "report_bufsize.h" 128 #error "CONV_PHDR_FLAGS_BUFSIZE does not match PHDRSZ" 129 #endif 130 131 const char * 132 conv_phdr_flags(Word flags, Conv_fmt_flags_t fmt_flags, 133 Conv_phdr_flags_buf_t *phdr_flags_buf) 134 { 135 static Val_desc vda[] = { 136 { PF_X, MSG_ORIG(MSG_PF_X) }, 137 { PF_W, MSG_ORIG(MSG_PF_W) }, 138 { PF_R, MSG_ORIG(MSG_PF_R) }, 139 { PF_SUNW_FAILURE, MSG_ORIG(MSG_PF_SUNW_FAILURE) }, 140 { 0, 0 } 141 }; 142 static CONV_EXPN_FIELD_ARG conv_arg = { 143 NULL, sizeof (phdr_flags_buf->buf), vda }; 144 145 if (flags == 0) 146 return (MSG_ORIG(MSG_GBL_ZERO)); 147 148 conv_arg.buf = phdr_flags_buf->buf; 149 conv_arg.oflags = conv_arg.rflags = flags; 150 (void) conv_expn_field(&conv_arg, fmt_flags); 151 152 return ((const char *)phdr_flags_buf->buf); 153 } 154