Mercurial > hg > truffle
annotate src/share/tools/hsdis/hsdis.c @ 21184:dd6cc861f7e2
jtt: add loop.Loop09_2
author | Josef Eisl <josef.eisl@jku.at> |
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date | Mon, 20 Apr 2015 12:09:44 +0200 |
parents | 52b4284cb496 |
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1 /* |
17524 | 2 * Copyright (c) 2008, 2013, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 * |
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23 */ |
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24 |
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25 /* hsdis.c -- dump a range of addresses as native instructions |
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26 This implements the plugin protocol required by the |
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27 HotSpot PrintAssembly option. |
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28 */ |
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29 |
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30 #include <config.h> /* required by bfd.h */ |
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31 #include <libiberty.h> |
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32 #include <bfd.h> |
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33 #include <dis-asm.h> |
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34 #include <inttypes.h> |
6782 | 35 #include <string.h> |
36 #include <errno.h> | |
37 #include "hsdis.h" | |
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38 |
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39 #ifndef bool |
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40 #define bool int |
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41 #define true 1 |
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42 #define false 0 |
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43 #endif /*bool*/ |
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44 |
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45 /* short names for stuff in hsdis.h */ |
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46 typedef decode_instructions_event_callback_ftype event_callback_t; |
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47 typedef decode_instructions_printf_callback_ftype printf_callback_t; |
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48 |
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49 /* disassemble_info.application_data object */ |
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50 struct hsdis_app_data { |
6782 | 51 /* virtual address of data */ |
52 uintptr_t start_va, end_va; | |
53 /* the instructions to be decoded */ | |
54 unsigned char* buffer; | |
55 uintptr_t length; | |
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56 event_callback_t event_callback; void* event_stream; |
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57 printf_callback_t printf_callback; void* printf_stream; |
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58 bool losing; |
6782 | 59 bool do_newline; |
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60 |
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61 /* the architecture being disassembled */ |
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62 const char* arch_name; |
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63 const bfd_arch_info_type* arch_info; |
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64 |
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65 /* the disassembler we are going to use: */ |
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66 disassembler_ftype dfn; |
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67 struct disassemble_info dinfo; /* the actual struct! */ |
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68 |
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69 char mach_option[64]; |
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70 char insn_options[256]; |
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71 }; |
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72 |
6782 | 73 static void* decode(struct hsdis_app_data* app_data, const char* options); |
74 | |
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75 #define DECL_APP_DATA(dinfo) \ |
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76 struct hsdis_app_data* app_data = (struct hsdis_app_data*) (dinfo)->application_data |
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77 |
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78 #define DECL_EVENT_CALLBACK(app_data) \ |
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79 event_callback_t event_callback = (app_data)->event_callback; \ |
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80 void* event_stream = (app_data)->event_stream |
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81 |
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82 #define DECL_PRINTF_CALLBACK(app_data) \ |
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83 printf_callback_t printf_callback = (app_data)->printf_callback; \ |
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84 void* printf_stream = (app_data)->printf_stream |
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85 |
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86 |
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87 static void print_help(struct hsdis_app_data* app_data, |
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88 const char* msg, const char* arg); |
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89 static void setup_app_data(struct hsdis_app_data* app_data, |
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90 const char* options); |
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91 static const char* format_insn_close(const char* close, |
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92 disassemble_info* dinfo, |
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93 char* buf, size_t bufsize); |
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94 |
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95 void* |
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96 #ifdef DLL_ENTRY |
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97 DLL_ENTRY |
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98 #endif |
6782 | 99 decode_instructions_virtual(uintptr_t start_va, uintptr_t end_va, |
100 unsigned char* buffer, uintptr_t length, | |
101 event_callback_t event_callback_arg, void* event_stream_arg, | |
102 printf_callback_t printf_callback_arg, void* printf_stream_arg, | |
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103 const char* options, int newline) { |
6782 | 104 struct hsdis_app_data app_data; |
105 memset(&app_data, 0, sizeof(app_data)); | |
106 app_data.start_va = start_va; | |
107 app_data.end_va = end_va; | |
108 app_data.buffer = buffer; | |
109 app_data.length = length; | |
110 app_data.event_callback = event_callback_arg; | |
111 app_data.event_stream = event_stream_arg; | |
112 app_data.printf_callback = printf_callback_arg; | |
113 app_data.printf_stream = printf_stream_arg; | |
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114 app_data.do_newline = newline == 0 ? false : true; |
6782 | 115 |
116 return decode(&app_data, options); | |
117 } | |
118 | |
119 /* This is the compatability interface for older version of hotspot */ | |
120 void* | |
121 #ifdef DLL_ENTRY | |
122 DLL_ENTRY | |
123 #endif | |
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124 decode_instructions(void* start_pv, void* end_pv, |
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125 event_callback_t event_callback_arg, void* event_stream_arg, |
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126 printf_callback_t printf_callback_arg, void* printf_stream_arg, |
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127 const char* options) { |
6782 | 128 decode_instructions_virtual((uintptr_t)start_pv, |
129 (uintptr_t)end_pv, | |
130 (unsigned char*)start_pv, | |
131 (uintptr_t)end_pv - (uintptr_t)start_pv, | |
132 event_callback_arg, | |
133 event_stream_arg, | |
134 printf_callback_arg, | |
135 printf_stream_arg, | |
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136 options, false); |
6782 | 137 } |
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138 |
6782 | 139 static void* decode(struct hsdis_app_data* app_data, const char* options) { |
140 setup_app_data(app_data, options); | |
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141 char buf[128]; |
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142 |
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143 { |
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144 /* now reload everything from app_data: */ |
6782 | 145 DECL_EVENT_CALLBACK(app_data); |
146 DECL_PRINTF_CALLBACK(app_data); | |
147 uintptr_t start = app_data->start_va; | |
148 uintptr_t end = app_data->end_va; | |
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149 uintptr_t p = start; |
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150 |
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151 (*event_callback)(event_stream, "insns", (void*)start); |
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152 |
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153 (*event_callback)(event_stream, "mach name='%s'", |
6782 | 154 (void*) app_data->arch_info->printable_name); |
155 if (app_data->dinfo.bytes_per_line != 0) { | |
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156 (*event_callback)(event_stream, "format bytes-per-line='%p'/", |
6782 | 157 (void*)(intptr_t) app_data->dinfo.bytes_per_line); |
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158 } |
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159 |
6782 | 160 while (p < end && !app_data->losing) { |
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161 (*event_callback)(event_stream, "insn", (void*) p); |
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162 |
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163 /* reset certain state, so we can read it with confidence */ |
6782 | 164 app_data->dinfo.insn_info_valid = 0; |
165 app_data->dinfo.branch_delay_insns = 0; | |
166 app_data->dinfo.data_size = 0; | |
167 app_data->dinfo.insn_type = 0; | |
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168 |
6782 | 169 int size = (*app_data->dfn)((bfd_vma) p, &app_data->dinfo); |
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170 |
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171 if (size > 0) p += size; |
6782 | 172 else app_data->losing = true; |
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173 |
6782 | 174 if (!app_data->losing) { |
175 const char* insn_close = format_insn_close("/insn", &app_data->dinfo, | |
176 buf, sizeof(buf)); | |
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177 (*event_callback)(event_stream, insn_close, (void*) p); |
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178 |
6782 | 179 if (app_data->do_newline) { |
180 /* follow each complete insn by a nice newline */ | |
181 (*printf_callback)(printf_stream, "\n"); | |
182 } | |
183 } | |
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184 } |
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185 |
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186 if (app_data->losing) (*event_callback)(event_stream, "/insns", (void*) p); |
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187 return (void*) p; |
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188 } |
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189 } |
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190 |
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191 /* take the address of the function, for luck, and also test the typedef: */ |
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192 const decode_func_vtype decode_func_virtual_address = &decode_instructions_virtual; |
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193 const decode_func_stype decode_func_address = &decode_instructions; |
100
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194 |
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195 static const char* format_insn_close(const char* close, |
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196 disassemble_info* dinfo, |
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197 char* buf, size_t bufsize) { |
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198 if (!dinfo->insn_info_valid) |
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199 return close; |
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200 enum dis_insn_type itype = dinfo->insn_type; |
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201 int dsize = dinfo->data_size, delays = dinfo->branch_delay_insns; |
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202 if ((itype == dis_nonbranch && (dsize | delays) == 0) |
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203 || (strlen(close) + 3*20 > bufsize)) |
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204 return close; |
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205 |
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206 const char* type = "unknown"; |
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207 switch (itype) { |
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208 case dis_nonbranch: type = NULL; break; |
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209 case dis_branch: type = "branch"; break; |
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210 case dis_condbranch: type = "condbranch"; break; |
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211 case dis_jsr: type = "jsr"; break; |
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212 case dis_condjsr: type = "condjsr"; break; |
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213 case dis_dref: type = "dref"; break; |
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214 case dis_dref2: type = "dref2"; break; |
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215 } |
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216 |
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217 strcpy(buf, close); |
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218 char* p = buf; |
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219 if (type) sprintf(p += strlen(p), " type='%s'", type); |
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220 if (dsize) sprintf(p += strlen(p), " dsize='%d'", dsize); |
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221 if (delays) sprintf(p += strlen(p), " delay='%d'", delays); |
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222 return buf; |
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223 } |
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224 |
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225 /* handler functions */ |
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226 |
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227 static int |
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228 hsdis_read_memory_func(bfd_vma memaddr, |
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229 bfd_byte* myaddr, |
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230 unsigned int length, |
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231 struct disassemble_info* dinfo) { |
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232 DECL_APP_DATA(dinfo); |
6782 | 233 /* convert the virtual address memaddr into an address within memory buffer */ |
234 uintptr_t offset = ((uintptr_t) memaddr) - app_data->start_va; | |
235 if (offset + length > app_data->length) { | |
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236 /* read is out of bounds */ |
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237 return EIO; |
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238 } else { |
6782 | 239 memcpy(myaddr, (bfd_byte*) (app_data->buffer + offset), length); |
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240 return 0; |
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241 } |
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242 } |
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243 |
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244 static void |
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245 hsdis_print_address_func(bfd_vma vma, struct disassemble_info* dinfo) { |
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246 /* the actual value to print: */ |
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247 void* addr_value = (void*) (uintptr_t) vma; |
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248 DECL_APP_DATA(dinfo); |
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249 DECL_EVENT_CALLBACK(app_data); |
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250 |
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251 /* issue the event: */ |
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252 void* result = |
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253 (*event_callback)(event_stream, "addr/", addr_value); |
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254 if (result == NULL) { |
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255 /* event declined */ |
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256 generic_print_address(vma, dinfo); |
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257 } |
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258 } |
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259 |
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260 |
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261 /* configuration */ |
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262 |
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263 static void set_optional_callbacks(struct hsdis_app_data* app_data); |
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264 static void parse_caller_options(struct hsdis_app_data* app_data, |
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265 const char* caller_options); |
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266 static const char* native_arch_name(); |
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267 static enum bfd_endian native_endian(); |
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268 static const bfd_arch_info_type* find_arch_info(const char* arch_nane); |
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269 static bfd* get_native_bfd(const bfd_arch_info_type* arch_info, |
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270 /* to avoid malloc: */ |
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271 bfd* empty_bfd, bfd_target* empty_xvec); |
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272 static void init_disassemble_info_from_bfd(struct disassemble_info* dinfo, |
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273 void *stream, |
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274 fprintf_ftype fprintf_func, |
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275 bfd* bfd, |
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276 char* disassembler_options); |
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277 static void parse_fake_insn(disassembler_ftype dfn, |
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278 struct disassemble_info* dinfo); |
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279 |
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280 static void setup_app_data(struct hsdis_app_data* app_data, |
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281 const char* caller_options) { |
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282 /* Make reasonable defaults for null callbacks. |
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283 A non-null stream for a null callback is assumed to be a FILE* for output. |
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284 Events are rendered as XML. |
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285 */ |
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286 set_optional_callbacks(app_data); |
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287 |
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288 /* Look into caller_options for anything interesting. */ |
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289 if (caller_options != NULL) |
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290 parse_caller_options(app_data, caller_options); |
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291 |
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292 /* Discover which architecture we are going to disassemble. */ |
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293 app_data->arch_name = &app_data->mach_option[0]; |
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294 if (app_data->arch_name[0] == '\0') |
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295 app_data->arch_name = native_arch_name(); |
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296 app_data->arch_info = find_arch_info(app_data->arch_name); |
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297 |
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298 /* Make a fake bfd to hold the arch. and byteorder info. */ |
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299 struct { |
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300 bfd_target empty_xvec; |
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301 bfd empty_bfd; |
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302 } buf; |
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303 bfd* native_bfd = get_native_bfd(app_data->arch_info, |
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304 /* to avoid malloc: */ |
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305 &buf.empty_bfd, &buf.empty_xvec); |
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306 init_disassemble_info_from_bfd(&app_data->dinfo, |
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307 app_data->printf_stream, |
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308 app_data->printf_callback, |
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309 native_bfd, |
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310 /* On PowerPC we get warnings, if we pass empty options */ |
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311 (caller_options == NULL) ? NULL : app_data->insn_options); |
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312 |
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313 /* Finish linking together the various callback blocks. */ |
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314 app_data->dinfo.application_data = (void*) app_data; |
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315 app_data->dfn = disassembler(native_bfd); |
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316 app_data->dinfo.print_address_func = hsdis_print_address_func; |
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317 app_data->dinfo.read_memory_func = hsdis_read_memory_func; |
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318 |
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319 if (app_data->dfn == NULL) { |
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320 const char* bad = app_data->arch_name; |
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321 static bool complained; |
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322 if (bad == &app_data->mach_option[0]) |
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323 print_help(app_data, "bad mach=%s", bad); |
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324 else if (!complained) |
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325 print_help(app_data, "bad native mach=%s; please port hsdis to this platform", bad); |
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326 complained = true; |
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327 /* must bail out */ |
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328 app_data->losing = true; |
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329 return; |
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330 } |
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331 |
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332 parse_fake_insn(app_data->dfn, &app_data->dinfo); |
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333 } |
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334 |
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335 |
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336 /* ignore all events, return a null */ |
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337 static void* null_event_callback(void* ignore_stream, const char* ignore_event, void* arg) { |
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338 return NULL; |
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339 } |
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parents:
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|
340 |
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jrose
parents:
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|
341 /* print all events as XML markup */ |
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jrose
parents:
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|
342 static void* xml_event_callback(void* stream, const char* event, void* arg) { |
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parents:
diff
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|
343 FILE* fp = (FILE*) stream; |
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parents:
diff
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|
344 #define NS_PFX "dis:" |
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jrose
parents:
diff
changeset
|
345 if (event[0] != '/') { |
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jrose
parents:
diff
changeset
|
346 /* issue the tag, with or without a formatted argument */ |
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jrose
parents:
diff
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|
347 fprintf(fp, "<"NS_PFX); |
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jrose
parents:
diff
changeset
|
348 fprintf(fp, event, arg); |
c7c777385a15
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jrose
parents:
diff
changeset
|
349 fprintf(fp, ">"); |
c7c777385a15
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jrose
parents:
diff
changeset
|
350 } else { |
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jrose
parents:
diff
changeset
|
351 ++event; /* skip slash */ |
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jrose
parents:
diff
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|
352 const char* argp = strchr(event, ' '); |
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jrose
parents:
diff
changeset
|
353 if (argp == NULL) { |
c7c777385a15
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jrose
parents:
diff
changeset
|
354 /* no arguments; just issue the closing tag */ |
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jrose
parents:
diff
changeset
|
355 fprintf(fp, "</"NS_PFX"%s>", event); |
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jrose
parents:
diff
changeset
|
356 } else { |
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jrose
parents:
diff
changeset
|
357 /* split out the closing attributes as <dis:foo_done attr='val'/> */ |
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jrose
parents:
diff
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|
358 int event_prefix = (argp - event); |
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jrose
parents:
diff
changeset
|
359 fprintf(fp, "<"NS_PFX"%.*s_done", event_prefix, event); |
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jrose
parents:
diff
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|
360 fprintf(fp, argp, arg); |
c7c777385a15
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jrose
parents:
diff
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|
361 fprintf(fp, "/></"NS_PFX"%.*s>", event_prefix, event); |
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6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
362 } |
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6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
363 } |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
364 return NULL; |
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6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
365 } |
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jrose
parents:
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changeset
|
366 |
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jrose
parents:
diff
changeset
|
367 static void set_optional_callbacks(struct hsdis_app_data* app_data) { |
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jrose
parents:
diff
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|
368 if (app_data->printf_callback == NULL) { |
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jrose
parents:
diff
changeset
|
369 int (*fprintf_callback)(FILE*, const char*, ...) = &fprintf; |
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parents:
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|
370 FILE* fprintf_stream = stdout; |
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jrose
parents:
diff
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|
371 app_data->printf_callback = (printf_callback_t) fprintf_callback; |
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jrose
parents:
diff
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|
372 if (app_data->printf_stream == NULL) |
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jrose
parents:
diff
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|
373 app_data->printf_stream = (void*) fprintf_stream; |
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jrose
parents:
diff
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|
374 } |
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jrose
parents:
diff
changeset
|
375 if (app_data->event_callback == NULL) { |
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jrose
parents:
diff
changeset
|
376 if (app_data->event_stream == NULL) |
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jrose
parents:
diff
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|
377 app_data->event_callback = &null_event_callback; |
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jrose
parents:
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|
378 else |
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jrose
parents:
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|
379 app_data->event_callback = &xml_event_callback; |
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jrose
parents:
diff
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|
380 } |
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jrose
parents:
diff
changeset
|
381 |
c7c777385a15
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jrose
parents:
diff
changeset
|
382 } |
c7c777385a15
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jrose
parents:
diff
changeset
|
383 |
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jrose
parents:
diff
changeset
|
384 static void parse_caller_options(struct hsdis_app_data* app_data, const char* caller_options) { |
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6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
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|
385 char* iop_base = app_data->insn_options; |
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parents:
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|
386 char* iop_limit = iop_base + sizeof(app_data->insn_options) - 1; |
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parents:
diff
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|
387 char* iop = iop_base; |
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jrose
parents:
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|
388 const char* p; |
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jrose
parents:
diff
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|
389 for (p = caller_options; p != NULL; ) { |
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jrose
parents:
diff
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|
390 const char* q = strchr(p, ','); |
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jrose
parents:
diff
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|
391 size_t plen = (q == NULL) ? strlen(p) : ((q++) - p); |
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jrose
parents:
diff
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|
392 if (plen == 4 && strncmp(p, "help", plen) == 0) { |
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jrose
parents:
diff
changeset
|
393 print_help(app_data, NULL, NULL); |
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6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
394 } else if (plen >= 5 && strncmp(p, "mach=", 5) == 0) { |
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6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
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|
395 char* mach_option = app_data->mach_option; |
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jrose
parents:
diff
changeset
|
396 size_t mach_size = sizeof(app_data->mach_option); |
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parents:
diff
changeset
|
397 mach_size -= 1; /*leave room for the null*/ |
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jrose
parents:
diff
changeset
|
398 if (plen > mach_size) plen = mach_size; |
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6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
399 strncpy(mach_option, p, plen); |
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6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
400 mach_option[plen] = '\0'; |
4938
de34c646c3f7
7140985: HSDIS does not handle caller options correctly
kvn
parents:
2426
diff
changeset
|
401 } else if (plen > 6 && strncmp(p, "hsdis-", 6) == 0) { |
100
c7c777385a15
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jrose
parents:
diff
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|
402 // do not pass these to the next level |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
403 } else { |
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6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
404 /* just copy it; {i386,sparc}-dis.c might like to see it */ |
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6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
405 if (iop > iop_base && iop < iop_limit) (*iop++) = ','; |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
406 if (iop + plen > iop_limit) |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
407 plen = iop_limit - iop; |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
408 strncpy(iop, p, plen); |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
409 iop += plen; |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
410 } |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
411 p = q; |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
412 } |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
413 } |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
414 |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
415 static void print_help(struct hsdis_app_data* app_data, |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
416 const char* msg, const char* arg) { |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
417 DECL_PRINTF_CALLBACK(app_data); |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
418 if (msg != NULL) { |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
419 (*printf_callback)(printf_stream, "hsdis: "); |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
420 (*printf_callback)(printf_stream, msg, arg); |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
421 (*printf_callback)(printf_stream, "\n"); |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
422 } |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
423 (*printf_callback)(printf_stream, "hsdis output options:\n"); |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
424 if (printf_callback == (printf_callback_t) &fprintf) |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
425 disassembler_usage((FILE*) printf_stream); |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
426 else |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
427 disassembler_usage(stderr); /* better than nothing */ |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
428 (*printf_callback)(printf_stream, " mach=<arch> select disassembly mode\n"); |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
429 #if defined(LIBARCH_i386) || defined(LIBARCH_amd64) |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
430 (*printf_callback)(printf_stream, " mach=i386 select 32-bit mode\n"); |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
431 (*printf_callback)(printf_stream, " mach=x86-64 select 64-bit mode\n"); |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
432 (*printf_callback)(printf_stream, " suffix always print instruction suffix\n"); |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
433 #endif |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
434 (*printf_callback)(printf_stream, " help print this message\n"); |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
435 } |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
436 |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
437 |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
438 /* low-level bfd and arch stuff that binutils doesn't do for us */ |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
439 |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
440 static const bfd_arch_info_type* find_arch_info(const char* arch_name) { |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
441 const bfd_arch_info_type* arch_info = bfd_scan_arch(arch_name); |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
442 if (arch_info == NULL) { |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
443 extern const bfd_arch_info_type bfd_default_arch_struct; |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
444 arch_info = &bfd_default_arch_struct; |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
445 } |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
446 return arch_info; |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
447 } |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
448 |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
449 static const char* native_arch_name() { |
720
67a2f5ba5582
6684007: PrintAssembly plugin not available for linux or windows
never
parents:
100
diff
changeset
|
450 const char* res = NULL; |
67a2f5ba5582
6684007: PrintAssembly plugin not available for linux or windows
never
parents:
100
diff
changeset
|
451 #ifdef LIBARCH_i386 |
6782 | 452 res = "i386"; |
720
67a2f5ba5582
6684007: PrintAssembly plugin not available for linux or windows
never
parents:
100
diff
changeset
|
453 #endif |
100
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
454 #ifdef LIBARCH_amd64 |
6782 | 455 res = "i386:x86-64"; |
100
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
456 #endif |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
457 #ifdef LIBARCH_sparc |
6782 | 458 res = "sparc:v8plusb"; |
100
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
459 #endif |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
460 #ifdef LIBARCH_sparcv9 |
6782 | 461 res = "sparc:v9b"; |
100
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
462 #endif |
18041
52b4284cb496
Merge with jdk8u20-b26
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
17524
diff
changeset
|
463 #ifdef LIBARCH_ppc64 |
52b4284cb496
Merge with jdk8u20-b26
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
17524
diff
changeset
|
464 res = "powerpc:common64"; |
52b4284cb496
Merge with jdk8u20-b26
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
17524
diff
changeset
|
465 #endif |
100
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
466 if (res == NULL) |
720
67a2f5ba5582
6684007: PrintAssembly plugin not available for linux or windows
never
parents:
100
diff
changeset
|
467 res = "architecture not set in Makefile!"; |
100
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
468 return res; |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
469 } |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
470 |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
471 static enum bfd_endian native_endian() { |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
472 int32_t endian_test = 'x'; |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
473 if (*(const char*) &endian_test == 'x') |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
474 return BFD_ENDIAN_LITTLE; |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
475 else |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
476 return BFD_ENDIAN_BIG; |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
477 } |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
478 |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
479 static bfd* get_native_bfd(const bfd_arch_info_type* arch_info, |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
480 bfd* empty_bfd, bfd_target* empty_xvec) { |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
481 memset(empty_bfd, 0, sizeof(*empty_bfd)); |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
482 memset(empty_xvec, 0, sizeof(*empty_xvec)); |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
483 empty_xvec->flavour = bfd_target_unknown_flavour; |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
484 empty_xvec->byteorder = native_endian(); |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
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485 empty_bfd->xvec = empty_xvec; |
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486 empty_bfd->arch_info = arch_info; |
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487 return empty_bfd; |
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488 } |
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489 |
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490 static int read_zero_data_only(bfd_vma ignore_p, |
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491 bfd_byte* myaddr, unsigned int length, |
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492 struct disassemble_info *ignore_info) { |
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493 memset(myaddr, 0, length); |
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494 return 0; |
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495 } |
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496 static int print_to_dev_null(void* ignore_stream, const char* ignore_format, ...) { |
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497 return 0; |
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498 } |
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499 |
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500 /* Prime the pump by running the selected disassembler on a null input. |
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501 This forces the machine-specific disassembler to divulge invariant |
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502 information like bytes_per_line. |
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503 */ |
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504 static void parse_fake_insn(disassembler_ftype dfn, |
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505 struct disassemble_info* dinfo) { |
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506 typedef int (*read_memory_ftype) |
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507 (bfd_vma memaddr, bfd_byte *myaddr, unsigned int length, |
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508 struct disassemble_info *info); |
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509 read_memory_ftype read_memory_func = dinfo->read_memory_func; |
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510 fprintf_ftype fprintf_func = dinfo->fprintf_func; |
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511 |
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512 dinfo->read_memory_func = &read_zero_data_only; |
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513 dinfo->fprintf_func = &print_to_dev_null; |
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514 (*dfn)(0, dinfo); |
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515 |
6782 | 516 /* put it back */ |
100
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517 dinfo->read_memory_func = read_memory_func; |
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518 dinfo->fprintf_func = fprintf_func; |
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519 } |
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520 |
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521 static void init_disassemble_info_from_bfd(struct disassemble_info* dinfo, |
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522 void *stream, |
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523 fprintf_ftype fprintf_func, |
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524 bfd* abfd, |
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525 char* disassembler_options) { |
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526 init_disassemble_info(dinfo, stream, fprintf_func); |
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527 |
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528 dinfo->flavour = bfd_get_flavour(abfd); |
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529 dinfo->arch = bfd_get_arch(abfd); |
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530 dinfo->mach = bfd_get_mach(abfd); |
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531 dinfo->disassembler_options = disassembler_options; |
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532 dinfo->octets_per_byte = bfd_octets_per_byte (abfd); |
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533 dinfo->skip_zeroes = sizeof(void*) * 2; |
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534 dinfo->skip_zeroes_at_end = sizeof(void*)-1; |
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535 dinfo->disassembler_needs_relocs = FALSE; |
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536 |
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537 if (bfd_big_endian(abfd)) |
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538 dinfo->display_endian = dinfo->endian = BFD_ENDIAN_BIG; |
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539 else if (bfd_little_endian(abfd)) |
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540 dinfo->display_endian = dinfo->endian = BFD_ENDIAN_LITTLE; |
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541 else |
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542 dinfo->endian = native_endian(); |
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543 |
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544 disassemble_init_for_target(dinfo); |
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545 } |