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 2007 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 /* 30 * String conversion routines for program header attributes. 31 */ 32 #include <string.h> 33 #include <_conv.h> 34 #include <phdr_msg.h> 35 36 /* Instantiate a local copy of conv_map2str() from _conv.h */ 37 DEFINE_conv_map2str 38 39 const char * 40 conv_phdr_type(Half mach, Word type, Conv_fmt_flags_t fmt_flags, 41 Conv_inv_buf_t *inv_buf) 42 { 43 static const Msg phdrs[] = { 44 MSG_PT_NULL, MSG_PT_LOAD, 45 MSG_PT_DYNAMIC, MSG_PT_INTERP, 46 MSG_PT_NOTE, MSG_PT_SHLIB, 47 MSG_PT_PHDR, MSG_PT_TLS 48 }; 49 static const Msg phdrs_alt[] = { 50 MSG_PT_NULL_ALT, MSG_PT_LOAD_ALT, 51 MSG_PT_DYNAMIC_ALT, MSG_PT_INTERP_ALT, 52 MSG_PT_NOTE_ALT, MSG_PT_SHLIB_ALT, 53 MSG_PT_PHDR_ALT, MSG_PT_TLS_ALT 54 }; 55 #if PT_NUM != (PT_TLS + 1) 56 error "PT_NUM has grown. Update phdrs[]" 57 #endif 58 static const Msg uphdrs[] = { 59 MSG_PT_SUNWBSS, MSG_PT_SUNWSTACK, 60 MSG_PT_SUNWDTRACE, MSG_PT_SUNWCAP 61 }; 62 static const Msg uphdrs_alt[] = { 63 MSG_PT_SUNWBSS_ALT, MSG_PT_SUNWSTACK_ALT, 64 MSG_PT_SUNWDTRACE_ALT, MSG_PT_SUNWCAP_ALT 65 }; 66 #if PT_LOSUNW != PT_SUNWBSS 67 #error "PT_LOSUNW has grown. Update uphdrs[]" 68 #endif 69 70 if (type < PT_NUM) { 71 switch (CONV_TYPE_FMT_ALT(fmt_flags)) { 72 case CONV_FMT_ALT_DUMP: 73 case CONV_FMT_ALT_FILE: 74 return (conv_map2str(inv_buf, type, fmt_flags, 75 ARRAY_NELTS(phdrs_alt), phdrs_alt)); 76 default: 77 return (conv_map2str(inv_buf, type, fmt_flags, 78 ARRAY_NELTS(phdrs), phdrs)); 79 } 80 } else if ((type >= PT_SUNWBSS) && (type <= PT_HISUNW)) { 81 switch (CONV_TYPE_FMT_ALT(fmt_flags)) { 82 case CONV_FMT_ALT_DUMP: 83 case CONV_FMT_ALT_FILE: 84 return (conv_map2str(inv_buf, (type - PT_SUNWBSS), 85 fmt_flags, ARRAY_NELTS(uphdrs_alt), uphdrs_alt)); 86 default: 87 return (conv_map2str(inv_buf, (type - PT_SUNWBSS), 88 fmt_flags, ARRAY_NELTS(uphdrs), uphdrs)); 89 } 90 } else if ((type == PT_SUNW_UNWIND) && (mach == EM_AMD64)) { 91 switch (CONV_TYPE_FMT_ALT(fmt_flags)) { 92 case CONV_FMT_ALT_DUMP: 93 case CONV_FMT_ALT_FILE: 94 return (MSG_ORIG(MSG_PT_SUNW_UNWIND_ALT)); 95 default: 96 return (MSG_ORIG(MSG_PT_SUNW_UNWIND)); 97 } 98 } else 99 return (conv_invalid_val(inv_buf, type, 0)); 100 } 101 102 #define PHDRSZ CONV_EXPN_FIELD_DEF_PREFIX_SIZE + \ 103 MSG_PF_X_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \ 104 MSG_PF_W_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \ 105 MSG_PF_R_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \ 106 MSG_PF_SUNW_FAILURE_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \ 107 CONV_INV_BUFSIZE + CONV_EXPN_FIELD_DEF_SUFFIX_SIZE 108 109 /* 110 * Ensure that Conv_phdr_flags_buf_t is large enough: 111 * 112 * PHDRSZ is the real minimum size of the buffer required by conv_phdr_flags(). 113 * However, Conv_phdr_flags_buf_t uses CONV_PHDR_FLAGS_BUFSIZE to set the 114 * buffer size. We do things this way because the definition of PHDRSZ uses 115 * information that is not available in the environment of other programs 116 * that include the conv.h header file. 117 */ 118 #if CONV_PHDR_FLAGS_BUFSIZE < PHDRSZ 119 #error "CONV_PHDR_FLAGS_BUFSIZE is not large enough" 120 #endif 121 122 const char * 123 conv_phdr_flags(Word flags, Conv_fmt_flags_t fmt_flags, 124 Conv_phdr_flags_buf_t *phdr_flags_buf) 125 { 126 static Val_desc vda[] = { 127 { PF_X, MSG_ORIG(MSG_PF_X) }, 128 { PF_W, MSG_ORIG(MSG_PF_W) }, 129 { PF_R, MSG_ORIG(MSG_PF_R) }, 130 { PF_SUNW_FAILURE, MSG_ORIG(MSG_PF_SUNW_FAILURE) }, 131 { 0, 0 } 132 }; 133 static CONV_EXPN_FIELD_ARG conv_arg = { 134 NULL, sizeof (phdr_flags_buf->buf), vda }; 135 136 if (flags == 0) 137 return (MSG_ORIG(MSG_GBL_ZERO)); 138 139 conv_arg.buf = phdr_flags_buf->buf; 140 conv_arg.oflags = conv_arg.rflags = flags; 141 (void) conv_expn_field(&conv_arg, fmt_flags); 142 143 return ((const char *)phdr_flags_buf->buf); 144 } 145