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 <stdio.h>
31 #include <string.h>
32 #include <_conv.h>
33 #include <phdr_msg.h>
34
35 static const conv_ds_t **
conv_phdr_type_strings(Conv_fmt_flags_t fmt_flags)36 conv_phdr_type_strings(Conv_fmt_flags_t fmt_flags)
37 {
38 #define ALL ELFOSABI_NONE, EM_NONE
39 #define SOL ELFOSABI_SOLARIS, EM_NONE
40 #define LIN ELFOSABI_LINUX, EM_NONE
41
42 static const Msg phdrs_def[] = {
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_dmp[] = {
49 MSG_PT_NULL_CFNP, MSG_PT_LOAD_CFNP,
50 MSG_PT_DYNAMIC_DMP, MSG_PT_INTERP_CFNP,
51 MSG_PT_NOTE_CFNP, MSG_PT_SHLIB_CFNP,
52 MSG_PT_PHDR_CFNP, MSG_PT_TLS_CFNP
53 };
54 static const Msg phdrs_cf[] = {
55 MSG_PT_NULL_CF, MSG_PT_LOAD_CF,
56 MSG_PT_DYNAMIC_CF, MSG_PT_INTERP_CF,
57 MSG_PT_NOTE_CF, MSG_PT_SHLIB_CF,
58 MSG_PT_PHDR_CF, MSG_PT_TLS_CF
59 };
60 static const Msg phdrs_cfnp[] = {
61 MSG_PT_NULL_CFNP, MSG_PT_LOAD_CFNP,
62 MSG_PT_DYNAMIC_CFNP, MSG_PT_INTERP_CFNP,
63 MSG_PT_NOTE_CFNP, MSG_PT_SHLIB_CFNP,
64 MSG_PT_PHDR_CFNP, MSG_PT_TLS_CFNP
65 };
66 static const Msg phdrs_nf[] = {
67 MSG_PT_NULL_NF, MSG_PT_LOAD_NF,
68 MSG_PT_DYNAMIC_NF, MSG_PT_INTERP_NF,
69 MSG_PT_NOTE_NF, MSG_PT_SHLIB_NF,
70 MSG_PT_PHDR_NF, MSG_PT_TLS_NF
71 };
72 #if PT_NUM != (PT_TLS + 1)
73 error "PT_NUM has grown. Update phdrs[]"
74 #endif
75 static const conv_ds_msg_t ds_phdrs_def = {
76 CONV_DS_MSG_INIT(PT_NULL, phdrs_def) };
77 static const conv_ds_msg_t ds_phdrs_dmp = {
78 CONV_DS_MSG_INIT(PT_NULL, phdrs_dmp) };
79 static const conv_ds_msg_t ds_phdrs_cf = {
80 CONV_DS_MSG_INIT(PT_NULL, phdrs_cf) };
81 static const conv_ds_msg_t ds_phdrs_cfnp = {
82 CONV_DS_MSG_INIT(PT_NULL, phdrs_cfnp) };
83 static const conv_ds_msg_t ds_phdrs_nf = {
84 CONV_DS_MSG_INIT(PT_NULL, phdrs_nf) };
85
86
87 static const Val_desc2 phdrs_osabi_def[] = {
88 { PT_SUNWBSS, SOL, MSG_PT_SUNWBSS },
89 { PT_SUNWSTACK, SOL, MSG_PT_SUNWSTACK },
90 { PT_SUNWDTRACE, SOL, MSG_PT_SUNWDTRACE },
91 { PT_SUNWCAP, SOL, MSG_PT_SUNWCAP },
92 { PT_SUNW_UNWIND, SOL, MSG_PT_SUNW_UNWIND },
93 { PT_SUNW_EH_FRAME, SOL, MSG_PT_SUNW_EH_FRAME },
94
95 { PT_GNU_EH_FRAME, LIN, MSG_PT_GNU_EH_FRAME },
96 { PT_GNU_STACK, LIN, MSG_PT_GNU_STACK },
97 { PT_GNU_RELRO, LIN, MSG_PT_GNU_RELRO },
98
99 { 0 }
100 };
101 static const Val_desc2 phdrs_osabi_cf[] = {
102 { PT_SUNWBSS, SOL, MSG_PT_SUNWBSS_CF },
103 { PT_SUNWSTACK, SOL, MSG_PT_SUNWSTACK_CF },
104 { PT_SUNWDTRACE, SOL, MSG_PT_SUNWDTRACE_CF },
105 { PT_SUNWCAP, SOL, MSG_PT_SUNWCAP_CF },
106 { PT_SUNW_UNWIND, SOL, MSG_PT_SUNW_UNWIND_CF },
107 { PT_SUNW_EH_FRAME, SOL, MSG_PT_SUNW_EH_FRAME_CF },
108
109 { PT_GNU_EH_FRAME, LIN, MSG_PT_GNU_EH_FRAME_CF },
110 { PT_GNU_STACK, LIN, MSG_PT_GNU_STACK_CF },
111 { PT_GNU_RELRO, LIN, MSG_PT_GNU_RELRO_CF },
112
113 { 0 }
114 };
115 static const Val_desc2 phdrs_osabi_cfnp[] = {
116 { PT_SUNWBSS, SOL, MSG_PT_SUNWBSS_CFNP },
117 { PT_SUNWSTACK, SOL, MSG_PT_SUNWSTACK_CFNP },
118 { PT_SUNWDTRACE, SOL, MSG_PT_SUNWDTRACE_CFNP },
119 { PT_SUNWCAP, SOL, MSG_PT_SUNWCAP_CFNP },
120 { PT_SUNW_UNWIND, SOL, MSG_PT_SUNW_UNWIND_CFNP },
121 { PT_SUNW_EH_FRAME, SOL, MSG_PT_SUNW_EH_FRAME_CFNP },
122
123 { PT_GNU_EH_FRAME, LIN, MSG_PT_GNU_EH_FRAME_CFNP },
124 { PT_GNU_STACK, LIN, MSG_PT_GNU_STACK_CFNP },
125 { PT_GNU_RELRO, LIN, MSG_PT_GNU_RELRO_CFNP },
126
127 { 0 }
128 };
129 static const Val_desc2 phdrs_osabi_nf[] = {
130 { PT_SUNWBSS, SOL, MSG_PT_SUNWBSS_NF },
131 { PT_SUNWSTACK, SOL, MSG_PT_SUNWSTACK_NF },
132 { PT_SUNWDTRACE, SOL, MSG_PT_SUNWDTRACE_NF },
133 { PT_SUNWCAP, SOL, MSG_PT_SUNWCAP_NF },
134 { PT_SUNW_UNWIND, SOL, MSG_PT_SUNW_UNWIND_NF },
135 { PT_SUNW_EH_FRAME, SOL, MSG_PT_SUNW_EH_FRAME_NF },
136
137 { PT_GNU_EH_FRAME, LIN, MSG_PT_GNU_EH_FRAME_NF },
138 { PT_GNU_STACK, LIN, MSG_PT_GNU_STACK_NF },
139 { PT_GNU_RELRO, LIN, MSG_PT_GNU_RELRO_NF },
140
141 { 0 }
142 };
143 #if PT_LOSUNW != PT_SUNWBSS
144 #error "PT_LOSUNW has grown. Update phdrs_osabi[]"
145 #endif
146 static const conv_ds_vd2_t ds_phdrs_osabi_def = {
147 CONV_DS_VD2, PT_LOOS, PT_HIOS, phdrs_osabi_def };
148 static const conv_ds_vd2_t ds_phdrs_osabi_cf = {
149 CONV_DS_VD2, PT_LOOS, PT_HIOS, phdrs_osabi_cf };
150 static const conv_ds_vd2_t ds_phdrs_osabi_cfnp = {
151 CONV_DS_VD2, PT_LOOS, PT_HIOS, phdrs_osabi_cfnp };
152 static const conv_ds_vd2_t ds_phdrs_osabi_nf = {
153 CONV_DS_VD2, PT_LOOS, PT_HIOS, phdrs_osabi_nf };
154
155
156 /* Build NULL terminated return arrays for each string style */
157 static const const conv_ds_t *ds_def[] = {
158 CONV_DS_ADDR(ds_phdrs_def), CONV_DS_ADDR(ds_phdrs_osabi_def),
159 NULL };
160 static const conv_ds_t *ds_dmp[] = {
161 CONV_DS_ADDR(ds_phdrs_dmp), CONV_DS_ADDR(ds_phdrs_osabi_cfnp),
162 NULL };
163 static const conv_ds_t *ds_cf[] = {
164 CONV_DS_ADDR(ds_phdrs_cf), CONV_DS_ADDR(ds_phdrs_osabi_cf),
165 NULL };
166 static const conv_ds_t *ds_cfnp[] = {
167 CONV_DS_ADDR(ds_phdrs_cfnp), CONV_DS_ADDR(ds_phdrs_osabi_cfnp),
168 NULL };
169 static const conv_ds_t *ds_nf[] = {
170 CONV_DS_ADDR(ds_phdrs_nf), CONV_DS_ADDR(ds_phdrs_osabi_nf),
171 NULL };
172
173 /* Select the strings to use */
174 switch (CONV_TYPE_FMT_ALT(fmt_flags)) {
175 case CONV_FMT_ALT_DUMP:
176 return (ds_dmp);
177 case CONV_FMT_ALT_CF:
178 return (ds_cf);
179 case CONV_FMT_ALT_CFNP:
180 return (ds_cfnp);
181 case CONV_FMT_ALT_NF:
182 return (ds_nf);
183 }
184
185 return (ds_def);
186
187 #undef ALL
188 #undef SOL
189 #undef LIN
190 }
191
192 const char *
conv_phdr_type(uchar_t osabi,Half mach,Word type,Conv_fmt_flags_t fmt_flags,Conv_inv_buf_t * inv_buf)193 conv_phdr_type(uchar_t osabi, Half mach, Word type, Conv_fmt_flags_t fmt_flags,
194 Conv_inv_buf_t *inv_buf)
195 {
196 return (conv_map_ds(osabi, mach, type,
197 conv_phdr_type_strings(fmt_flags), fmt_flags, inv_buf));
198 }
199
200 conv_iter_ret_t
conv_iter_phdr_type(conv_iter_osabi_t osabi,Conv_fmt_flags_t fmt_flags,conv_iter_cb_t func,void * uvalue)201 conv_iter_phdr_type(conv_iter_osabi_t osabi, Conv_fmt_flags_t fmt_flags,
202 conv_iter_cb_t func, void *uvalue)
203 {
204 return (conv_iter_ds(osabi, EM_NONE,
205 conv_phdr_type_strings(fmt_flags), func, uvalue));
206 }
207
208
209 static const Val_desc2 *
conv_phdr_flags_strings(Conv_fmt_flags_t fmt_flags)210 conv_phdr_flags_strings(Conv_fmt_flags_t fmt_flags)
211 {
212 /* The CF style has the longest strings */
213 #define PHDRSZ CONV_EXPN_FIELD_DEF_PREFIX_SIZE + \
214 MSG_PF_X_CF_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
215 MSG_PF_W_CF_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
216 MSG_PF_R_CF_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
217 MSG_PF_SUNW_FAILURE_CF_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
218 CONV_INV_BUFSIZE + CONV_EXPN_FIELD_DEF_SUFFIX_SIZE
219
220 /*
221 * Ensure that Conv_phdr_flags_buf_t is large enough:
222 *
223 * PHDRSZ is the real minimum size of the buffer required by
224 * conv_phdr_flags(). However, Conv_phdr_flags_buf_t uses
225 * CONV_PHDR_FLAGS_BUFSIZE to set the buffer size. We do things this
226 * way because the definition of PHDRSZ uses information that is not
227 * available in the environment of other programs that include the
228 * conv.h header file.
229 */
230 #if (CONV_PHDR_FLAGS_BUFSIZE != PHDRSZ) && !defined(__lint)
231 #define REPORT_BUFSIZE PHDRSZ
232 #include "report_bufsize.h"
233 #error "CONV_PHDR_FLAGS_BUFSIZE does not match PHDRSZ"
234 #endif
235
236 #define ALL ELFOSABI_NONE, EM_NONE
237 #define SOL ELFOSABI_SOLARIS, EM_NONE
238
239 static const Val_desc2 vda_cf[] = {
240 { PF_X, ALL, MSG_PF_X_CF },
241 { PF_W, ALL, MSG_PF_W_CF },
242 { PF_R, ALL, MSG_PF_R_CF },
243 { PF_SUNW_FAILURE, SOL, MSG_PF_SUNW_FAILURE_CF },
244 { 0 }
245 };
246 static const Val_desc2 vda_nf[] = {
247 { PF_X, ALL, MSG_PF_X_NF },
248 { PF_W, ALL, MSG_PF_W_NF },
249 { PF_R, ALL, MSG_PF_R_NF },
250 { PF_SUNW_FAILURE, SOL, MSG_PF_SUNW_FAILURE_NF },
251 { 0 }
252 };
253
254 return ((CONV_TYPE_FMT_ALT(fmt_flags) == CONV_FMT_ALT_NF) ?
255 vda_nf : vda_cf);
256
257 #undef ALL
258 #undef SOL
259 }
260
261 const char *
conv_phdr_flags(uchar_t osabi,Word flags,Conv_fmt_flags_t fmt_flags,Conv_phdr_flags_buf_t * phdr_flags_buf)262 conv_phdr_flags(uchar_t osabi, Word flags, Conv_fmt_flags_t fmt_flags,
263 Conv_phdr_flags_buf_t *phdr_flags_buf)
264 {
265 static CONV_EXPN_FIELD_ARG conv_arg = {
266 NULL, sizeof (phdr_flags_buf->buf) };
267
268 if (flags == 0)
269 return (MSG_ORIG(MSG_GBL_ZERO));
270
271 conv_arg.buf = phdr_flags_buf->buf;
272 conv_arg.oflags = conv_arg.rflags = flags;
273 (void) conv_expn_field2(&conv_arg, osabi, EM_NONE,
274 conv_phdr_flags_strings(fmt_flags), fmt_flags);
275
276 return ((const char *)phdr_flags_buf->buf);
277 }
278
279 conv_iter_ret_t
conv_iter_phdr_flags(conv_iter_osabi_t osabi,Conv_fmt_flags_t fmt_flags,conv_iter_cb_t func,void * uvalue)280 conv_iter_phdr_flags(conv_iter_osabi_t osabi, Conv_fmt_flags_t fmt_flags,
281 conv_iter_cb_t func, void *uvalue)
282 {
283 if (conv_iter_vd2(osabi, EM_NONE,
284 conv_phdr_flags_strings(fmt_flags),
285 func, uvalue) == CONV_ITER_DONE)
286 return (CONV_ITER_DONE);
287
288 return (CONV_ITER_CONT);
289 }
290