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, int fmt_flags, 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 return (conv_map2str(inv_buf, type, fmt_flags, 71 ARRAY_NELTS(phdrs), phdrs, phdrs_alt, phdrs_alt)); 72 } else if ((type >= PT_SUNWBSS) && (type <= PT_HISUNW)) { 73 return (conv_map2str(inv_buf, (type - PT_SUNWBSS), fmt_flags, 74 ARRAY_NELTS(uphdrs), uphdrs, uphdrs_alt, uphdrs_alt)); 75 } else if ((type == PT_SUNW_UNWIND) && (mach == EM_AMD64)) { 76 return ((fmt_flags & CONV_FMTALTMASK) ? 77 MSG_ORIG(MSG_PT_SUNW_UNWIND_ALT) : 78 MSG_ORIG(MSG_PT_SUNW_UNWIND)); 79 } else 80 return (conv_invalid_val(inv_buf, type, 0)); 81 } 82 83 #define PHDRSZ CONV_EXPN_FIELD_DEF_PREFIX_SIZE + \ 84 MSG_PF_X_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \ 85 MSG_PF_W_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \ 86 MSG_PF_R_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \ 87 MSG_PF_SUNW_FAILURE_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \ 88 CONV_INV_BUFSIZE + CONV_EXPN_FIELD_DEF_SUFFIX_SIZE 89 90 /* 91 * Ensure that Conv_phdr_flags_buf_t is large enough: 92 * 93 * PHDRSZ is the real minimum size of the buffer required by conv_phdr_flags(). 94 * However, Conv_phdr_flags_buf_t uses CONV_PHDR_FLAGS_BUFSIZE to set the 95 * buffer size. We do things this way because the definition of PHDRSZ uses 96 * information that is not available in the environment of other programs 97 * that include the conv.h header file. 98 */ 99 #if CONV_PHDR_FLAGS_BUFSIZE < PHDRSZ 100 #error "CONV_PHDR_FLAGS_BUFSIZE is not large enough" 101 #endif 102 103 const char * 104 conv_phdr_flags(Word flags, Conv_phdr_flags_buf_t *phdr_flags_buf) 105 { 106 static Val_desc vda[] = { 107 { PF_X, MSG_ORIG(MSG_PF_X) }, 108 { PF_W, MSG_ORIG(MSG_PF_W) }, 109 { PF_R, MSG_ORIG(MSG_PF_R) }, 110 { PF_SUNW_FAILURE, MSG_ORIG(MSG_PF_SUNW_FAILURE) }, 111 { 0, 0 } 112 }; 113 static CONV_EXPN_FIELD_ARG conv_arg = { 114 NULL, sizeof (phdr_flags_buf->buf), vda }; 115 116 if (flags == 0) 117 return (MSG_ORIG(MSG_GBL_ZERO)); 118 119 conv_arg.buf = phdr_flags_buf->buf; 120 conv_arg.oflags = conv_arg.rflags = flags; 121 (void) conv_expn_field(&conv_arg); 122 123 return ((const char *)phdr_flags_buf->buf); 124 } 125