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7148cc28 | 1 | /* BFD back-end for ARM WINCE PE files. |
2b5c217d | 2 | Copyright 2006, 2007, 2008 Free Software Foundation, Inc. |
7148cc28 | 3 | |
d66dff94 | 4 | This file is part of BFD, the Binary File Descriptor library. |
7148cc28 | 5 | |
d66dff94 NC |
6 | This program is free software; you can redistribute it and/or modify |
7 | it under the terms of the GNU General Public License as published by | |
cd123cb7 | 8 | the Free Software Foundation; either version 3 of the License, or |
d66dff94 | 9 | (at your option) any later version. |
7148cc28 | 10 | |
d66dff94 NC |
11 | This program is distributed in the hope that it will be useful, |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
7148cc28 | 15 | |
d66dff94 NC |
16 | You should have received a copy of the GNU General Public License |
17 | along with this program; if not, write to the Free Software | |
cd123cb7 NC |
18 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
19 | MA 02110-1301, USA. */ | |
7148cc28 NC |
20 | |
21 | #define TARGET_UNDERSCORE 0 | |
22 | #define USER_LABEL_PREFIX "" | |
23 | ||
24 | #define TARGET_LITTLE_SYM arm_wince_pe_little_vec | |
25 | #define TARGET_LITTLE_NAME "pe-arm-wince-little" | |
26 | #define TARGET_BIG_SYM arm_wince_pe_big_vec | |
27 | #define TARGET_BIG_NAME "pe-arm-wince-big" | |
28 | ||
29 | #define bfd_arm_allocate_interworking_sections \ | |
30 | bfd_arm_wince_pe_allocate_interworking_sections | |
31 | #define bfd_arm_get_bfd_for_interworking \ | |
32 | bfd_arm_wince_pe_get_bfd_for_interworking | |
33 | #define bfd_arm_process_before_allocation \ | |
34 | bfd_arm_wince_pe_process_before_allocation | |
35 | ||
d66dff94 NC |
36 | #define LOCAL_LABEL_PREFIX "." |
37 | ||
2b5c217d NC |
38 | #include "sysdep.h" |
39 | #include "bfd.h" | |
40 | ||
41 | #undef bfd_pe_print_pdata | |
42 | #define bfd_pe_print_pdata pe_print_ce_compressed_pdata | |
43 | extern bfd_boolean pe_print_ce_compressed_pdata (bfd *, void *); | |
44 | ||
7148cc28 | 45 | #include "pe-arm.c" |
2b5c217d NC |
46 | |
47 | typedef struct sym_cache | |
48 | { | |
49 | int symcount; | |
50 | asymbol **syms; | |
51 | } sym_cache; | |
52 | ||
53 | static asymbol ** | |
54 | slurp_symtab (bfd *abfd, sym_cache *psc) | |
55 | { | |
56 | asymbol **sy = NULL; | |
57 | long storage; | |
58 | ||
59 | if (!(bfd_get_file_flags (abfd) & HAS_SYMS)) | |
60 | { | |
61 | psc->symcount = 0; | |
62 | return NULL; | |
63 | } | |
64 | ||
65 | storage = bfd_get_symtab_upper_bound (abfd); | |
66 | if (storage < 0) | |
67 | return NULL; | |
68 | if (storage) | |
69 | sy = bfd_malloc (storage); | |
70 | ||
71 | psc->symcount = bfd_canonicalize_symtab (abfd, sy); | |
72 | if (psc->symcount < 0) | |
73 | return NULL; | |
74 | return sy; | |
75 | } | |
76 | ||
77 | static const char * | |
78 | my_symbol_for_address (bfd *abfd, bfd_vma func, sym_cache *psc) | |
79 | { | |
80 | int i; | |
81 | ||
82 | if (psc->syms == 0) | |
83 | psc->syms = slurp_symtab (abfd, psc); | |
84 | ||
85 | for (i = 0; i < psc->symcount; i++) | |
86 | { | |
87 | if (psc->syms[i]->section->vma + psc->syms[i]->value == func) | |
88 | return psc->syms[i]->name; | |
89 | } | |
90 | ||
91 | return NULL; | |
92 | } | |
93 | ||
94 | static void | |
95 | cleanup_syms (sym_cache *psc) | |
96 | { | |
97 | psc->symcount = 0; | |
98 | free (psc->syms); | |
99 | psc->syms = NULL; | |
100 | } | |
101 | ||
102 | /* This is the version for "compressed" pdata. */ | |
103 | ||
104 | bfd_boolean | |
105 | pe_print_ce_compressed_pdata (bfd * abfd, void * vfile) | |
106 | { | |
107 | # define PDATA_ROW_SIZE (2 * 4) | |
108 | FILE *file = (FILE *) vfile; | |
109 | bfd_byte *data = 0; | |
110 | asection *section = bfd_get_section_by_name (abfd, ".pdata"); | |
111 | bfd_size_type datasize = 0; | |
112 | bfd_size_type i; | |
113 | bfd_size_type start, stop; | |
114 | int onaline = PDATA_ROW_SIZE; | |
115 | struct sym_cache sym_cache = {0, 0} ; | |
116 | ||
117 | if (section == NULL | |
118 | || coff_section_data (abfd, section) == NULL | |
119 | || pei_section_data (abfd, section) == NULL) | |
120 | return TRUE; | |
121 | ||
122 | stop = pei_section_data (abfd, section)->virt_size; | |
123 | if ((stop % onaline) != 0) | |
124 | fprintf (file, | |
125 | _("Warning, .pdata section size (%ld) is not a multiple of %d\n"), | |
126 | (long) stop, onaline); | |
127 | ||
128 | fprintf (file, | |
129 | _("\nThe Function Table (interpreted .pdata section contents)\n")); | |
130 | ||
131 | fprintf (file, _("\ | |
132 | vma:\t\tBegin Prolog Function Flags Exception EH\n\ | |
133 | \t\tAddress Length Length 32b exc Handler Data\n")); | |
134 | ||
135 | datasize = section->size; | |
136 | if (datasize == 0) | |
137 | return TRUE; | |
138 | ||
139 | if (! bfd_malloc_and_get_section (abfd, section, &data)) | |
140 | { | |
141 | if (data != NULL) | |
142 | free (data); | |
143 | return FALSE; | |
144 | } | |
145 | ||
146 | start = 0; | |
147 | ||
148 | for (i = start; i < stop; i += onaline) | |
149 | { | |
150 | bfd_vma begin_addr; | |
151 | bfd_vma other_data; | |
152 | bfd_vma prolog_length, function_length; | |
153 | int flag32bit, exception_flag; | |
154 | bfd_byte *tdata = 0; | |
155 | asection *tsection; | |
156 | ||
157 | if (i + PDATA_ROW_SIZE > stop) | |
158 | break; | |
159 | ||
160 | begin_addr = GET_PDATA_ENTRY (abfd, data + i ); | |
161 | other_data = GET_PDATA_ENTRY (abfd, data + i + 4); | |
162 | ||
163 | if (begin_addr == 0 && other_data == 0) | |
164 | /* We are probably into the padding of the section now. */ | |
165 | break; | |
166 | ||
167 | prolog_length = (other_data & 0x000000FF); | |
168 | function_length = (other_data & 0x3FFFFF00) >> 8; | |
169 | flag32bit = (int)((other_data & 0x40000000) >> 30); | |
170 | exception_flag = (int)((other_data & 0x80000000) >> 31); | |
171 | ||
172 | fputc (' ', file); | |
173 | fprintf_vma (file, i + section->vma); fputc ('\t', file); | |
174 | fprintf_vma (file, begin_addr); fputc (' ', file); | |
175 | fprintf_vma (file, prolog_length); fputc (' ', file); | |
176 | fprintf_vma (file, function_length); fputc (' ', file); | |
177 | fprintf (file, "%2d %2d ", flag32bit, exception_flag); | |
178 | ||
179 | /* Get the exception handler's address and the data passed from the | |
180 | .text section. This is really the data that belongs with the .pdata | |
181 | but got "compressed" out for the ARM and SH4 architectures. */ | |
182 | tsection = bfd_get_section_by_name (abfd, ".text"); | |
183 | if (tsection && coff_section_data (abfd, tsection) | |
184 | && pei_section_data (abfd, tsection)) | |
185 | { | |
186 | if (bfd_malloc_and_get_section (abfd, tsection, & tdata)) | |
187 | { | |
188 | int xx = (begin_addr - 8) - tsection->vma; | |
189 | ||
190 | tdata = bfd_malloc (8); | |
191 | if (bfd_get_section_contents (abfd, tsection, tdata, (bfd_vma) xx, 8)) | |
192 | { | |
193 | bfd_vma eh, eh_data; | |
194 | ||
195 | eh = bfd_get_32 (abfd, tdata); | |
196 | eh_data = bfd_get_32 (abfd, tdata + 4); | |
197 | fprintf (file, "%08x ", (unsigned int) eh); | |
198 | fprintf (file, "%08x", (unsigned int) eh_data); | |
199 | if (eh != 0) | |
200 | { | |
201 | const char *s = my_symbol_for_address (abfd, eh, &sym_cache); | |
202 | ||
203 | if (s) | |
204 | fprintf (file, " (%s) ", s); | |
205 | } | |
206 | } | |
207 | free (tdata); | |
208 | } | |
209 | else | |
210 | { | |
211 | if (tdata) | |
212 | free (tdata); | |
213 | } | |
214 | } | |
215 | ||
216 | fprintf (file, "\n"); | |
217 | } | |
218 | ||
219 | free (data); | |
220 | ||
221 | cleanup_syms (& sym_cache); | |
222 | ||
223 | return TRUE; | |
224 | #undef PDATA_ROW_SIZE | |
225 | } |