Chris Lattner | 30fdc8d | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1 | //===-- Disassembler.cpp ----------------------------------------*- C++ -*-===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | |
Daniel Malea | 93a6430 | 2012-12-05 00:20:57 +0000 | [diff] [blame] | 10 | #include "lldb/lldb-python.h" |
| 11 | |
Chris Lattner | 30fdc8d | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 12 | #include "lldb/Core/Disassembler.h" |
| 13 | |
| 14 | // C Includes |
| 15 | // C++ Includes |
| 16 | // Other libraries and framework includes |
| 17 | // Project includes |
| 18 | #include "lldb/lldb-private.h" |
| 19 | #include "lldb/Core/Error.h" |
| 20 | #include "lldb/Core/DataBufferHeap.h" |
| 21 | #include "lldb/Core/DataExtractor.h" |
| 22 | #include "lldb/Core/Debugger.h" |
Caroline Tice | ad379efc | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 23 | #include "lldb/Core/EmulateInstruction.h" |
Chris Lattner | 30fdc8d | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 24 | #include "lldb/Core/Module.h" |
| 25 | #include "lldb/Core/PluginManager.h" |
Caroline Tice | de2fb9c | 2011-04-22 05:08:45 +0000 | [diff] [blame] | 26 | #include "lldb/Core/RegularExpression.h" |
Chris Lattner | 30fdc8d | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 27 | #include "lldb/Core/Timer.h" |
Greg Clayton | 67cc063 | 2012-08-22 17:17:09 +0000 | [diff] [blame] | 28 | #include "lldb/Interpreter/OptionValue.h" |
| 29 | #include "lldb/Interpreter/OptionValueArray.h" |
| 30 | #include "lldb/Interpreter/OptionValueDictionary.h" |
| 31 | #include "lldb/Interpreter/OptionValueString.h" |
| 32 | #include "lldb/Interpreter/OptionValueUInt64.h" |
Sean Callanan | b6d70eb | 2011-10-12 02:08:07 +0000 | [diff] [blame] | 33 | #include "lldb/Symbol/ClangNamespaceDecl.h" |
Greg Clayton | 1f74607 | 2012-08-29 21:13:06 +0000 | [diff] [blame] | 34 | #include "lldb/Symbol/Function.h" |
Chris Lattner | 30fdc8d | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 35 | #include "lldb/Symbol/ObjectFile.h" |
| 36 | #include "lldb/Target/ExecutionContext.h" |
| 37 | #include "lldb/Target/Process.h" |
| 38 | #include "lldb/Target/StackFrame.h" |
| 39 | #include "lldb/Target/Target.h" |
| 40 | |
| 41 | #define DEFAULT_DISASM_BYTE_SIZE 32 |
| 42 | |
| 43 | using namespace lldb; |
| 44 | using namespace lldb_private; |
| 45 | |
| 46 | |
Sean Callanan | 7e6d4e5 | 2012-08-01 18:50:59 +0000 | [diff] [blame] | 47 | DisassemblerSP |
Jim Ingham | 0f063ba | 2013-03-02 00:26:47 +0000 | [diff] [blame] | 48 | Disassembler::FindPlugin (const ArchSpec &arch, const char *flavor, const char *plugin_name) |
Chris Lattner | 30fdc8d | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 49 | { |
| 50 | Timer scoped_timer (__PRETTY_FUNCTION__, |
Greg Clayton | 1080edbc | 2011-03-25 18:03:16 +0000 | [diff] [blame] | 51 | "Disassembler::FindPlugin (arch = %s, plugin_name = %s)", |
| 52 | arch.GetArchitectureName(), |
| 53 | plugin_name); |
Chris Lattner | 30fdc8d | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 54 | |
Greg Clayton | 1080edbc | 2011-03-25 18:03:16 +0000 | [diff] [blame] | 55 | DisassemblerCreateInstance create_callback = NULL; |
| 56 | |
| 57 | if (plugin_name) |
Chris Lattner | 30fdc8d | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 58 | { |
Greg Clayton | 57abc5d | 2013-05-10 21:47:16 +0000 | [diff] [blame] | 59 | ConstString const_plugin_name (plugin_name); |
| 60 | create_callback = PluginManager::GetDisassemblerCreateCallbackForPluginName (const_plugin_name); |
Greg Clayton | 1080edbc | 2011-03-25 18:03:16 +0000 | [diff] [blame] | 61 | if (create_callback) |
| 62 | { |
Jim Ingham | 0f063ba | 2013-03-02 00:26:47 +0000 | [diff] [blame] | 63 | DisassemblerSP disassembler_sp(create_callback(arch, flavor)); |
Greg Clayton | 1080edbc | 2011-03-25 18:03:16 +0000 | [diff] [blame] | 64 | |
Sean Callanan | 7e6d4e5 | 2012-08-01 18:50:59 +0000 | [diff] [blame] | 65 | if (disassembler_sp.get()) |
| 66 | return disassembler_sp; |
Greg Clayton | 1080edbc | 2011-03-25 18:03:16 +0000 | [diff] [blame] | 67 | } |
| 68 | } |
| 69 | else |
| 70 | { |
| 71 | for (uint32_t idx = 0; (create_callback = PluginManager::GetDisassemblerCreateCallbackAtIndex(idx)) != NULL; ++idx) |
| 72 | { |
Jim Ingham | 0f063ba | 2013-03-02 00:26:47 +0000 | [diff] [blame] | 73 | DisassemblerSP disassembler_sp(create_callback(arch, flavor)); |
Chris Lattner | 30fdc8d | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 74 | |
Sean Callanan | 7e6d4e5 | 2012-08-01 18:50:59 +0000 | [diff] [blame] | 75 | if (disassembler_sp.get()) |
| 76 | return disassembler_sp; |
Greg Clayton | 1080edbc | 2011-03-25 18:03:16 +0000 | [diff] [blame] | 77 | } |
Chris Lattner | 30fdc8d | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 78 | } |
Sean Callanan | 7e6d4e5 | 2012-08-01 18:50:59 +0000 | [diff] [blame] | 79 | return DisassemblerSP(); |
Chris Lattner | 30fdc8d | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 80 | } |
| 81 | |
Jim Ingham | 0f063ba | 2013-03-02 00:26:47 +0000 | [diff] [blame] | 82 | DisassemblerSP |
| 83 | Disassembler::FindPluginForTarget(const TargetSP target_sp, const ArchSpec &arch, const char *flavor, const char *plugin_name) |
| 84 | { |
| 85 | if (target_sp && flavor == NULL) |
| 86 | { |
| 87 | // FIXME - we don't have the mechanism in place to do per-architecture settings. But since we know that for now |
| 88 | // we only support flavors on x86 & x86_64, |
| 89 | if (arch.GetTriple().getArch() == llvm::Triple::x86 |
| 90 | || arch.GetTriple().getArch() == llvm::Triple::x86_64) |
| 91 | flavor = target_sp->GetDisassemblyFlavor(); |
| 92 | } |
| 93 | return FindPlugin(arch, flavor, plugin_name); |
| 94 | } |
| 95 | |
Greg Clayton | dda4f7b | 2010-06-30 23:03:03 +0000 | [diff] [blame] | 96 | |
Greg Clayton | 357132e | 2011-03-26 19:14:58 +0000 | [diff] [blame] | 97 | static void |
| 98 | ResolveAddress (const ExecutionContext &exe_ctx, |
| 99 | const Address &addr, |
| 100 | Address &resolved_addr) |
| 101 | { |
| 102 | if (!addr.IsSectionOffset()) |
| 103 | { |
| 104 | // If we weren't passed in a section offset address range, |
| 105 | // try and resolve it to something |
Greg Clayton | c14ee32 | 2011-09-22 04:58:26 +0000 | [diff] [blame] | 106 | Target *target = exe_ctx.GetTargetPtr(); |
| 107 | if (target) |
Greg Clayton | 357132e | 2011-03-26 19:14:58 +0000 | [diff] [blame] | 108 | { |
Greg Clayton | c14ee32 | 2011-09-22 04:58:26 +0000 | [diff] [blame] | 109 | if (target->GetSectionLoadList().IsEmpty()) |
Greg Clayton | 357132e | 2011-03-26 19:14:58 +0000 | [diff] [blame] | 110 | { |
Greg Clayton | c14ee32 | 2011-09-22 04:58:26 +0000 | [diff] [blame] | 111 | target->GetImages().ResolveFileAddress (addr.GetOffset(), resolved_addr); |
Greg Clayton | 357132e | 2011-03-26 19:14:58 +0000 | [diff] [blame] | 112 | } |
| 113 | else |
| 114 | { |
Greg Clayton | c14ee32 | 2011-09-22 04:58:26 +0000 | [diff] [blame] | 115 | target->GetSectionLoadList().ResolveLoadAddress (addr.GetOffset(), resolved_addr); |
Greg Clayton | 357132e | 2011-03-26 19:14:58 +0000 | [diff] [blame] | 116 | } |
| 117 | // We weren't able to resolve the address, just treat it as a |
| 118 | // raw address |
| 119 | if (resolved_addr.IsValid()) |
| 120 | return; |
| 121 | } |
| 122 | } |
| 123 | resolved_addr = addr; |
| 124 | } |
Greg Clayton | dda4f7b | 2010-06-30 23:03:03 +0000 | [diff] [blame] | 125 | |
| 126 | size_t |
| 127 | Disassembler::Disassemble |
| 128 | ( |
| 129 | Debugger &debugger, |
| 130 | const ArchSpec &arch, |
Greg Clayton | 1080edbc | 2011-03-25 18:03:16 +0000 | [diff] [blame] | 131 | const char *plugin_name, |
Jim Ingham | 0f063ba | 2013-03-02 00:26:47 +0000 | [diff] [blame] | 132 | const char *flavor, |
Greg Clayton | dda4f7b | 2010-06-30 23:03:03 +0000 | [diff] [blame] | 133 | const ExecutionContext &exe_ctx, |
| 134 | SymbolContextList &sc_list, |
Jim Ingham | 37023b0 | 2011-03-22 01:48:42 +0000 | [diff] [blame] | 135 | uint32_t num_instructions, |
Greg Clayton | dda4f7b | 2010-06-30 23:03:03 +0000 | [diff] [blame] | 136 | uint32_t num_mixed_context_lines, |
Greg Clayton | 1da6f9d | 2011-06-22 01:39:49 +0000 | [diff] [blame] | 137 | uint32_t options, |
Greg Clayton | dda4f7b | 2010-06-30 23:03:03 +0000 | [diff] [blame] | 138 | Stream &strm |
| 139 | ) |
| 140 | { |
| 141 | size_t success_count = 0; |
| 142 | const size_t count = sc_list.GetSize(); |
| 143 | SymbolContext sc; |
| 144 | AddressRange range; |
Greg Clayton | 7e14f91 | 2011-04-23 02:04:55 +0000 | [diff] [blame] | 145 | const uint32_t scope = eSymbolContextBlock | eSymbolContextFunction | eSymbolContextSymbol; |
| 146 | const bool use_inline_block_range = true; |
Greg Clayton | dda4f7b | 2010-06-30 23:03:03 +0000 | [diff] [blame] | 147 | for (size_t i=0; i<count; ++i) |
| 148 | { |
| 149 | if (sc_list.GetContextAtIndex(i, sc) == false) |
| 150 | break; |
Greg Clayton | 7e14f91 | 2011-04-23 02:04:55 +0000 | [diff] [blame] | 151 | for (uint32_t range_idx = 0; sc.GetAddressRange(scope, range_idx, use_inline_block_range, range); ++range_idx) |
Greg Clayton | dda4f7b | 2010-06-30 23:03:03 +0000 | [diff] [blame] | 152 | { |
Greg Clayton | 1080edbc | 2011-03-25 18:03:16 +0000 | [diff] [blame] | 153 | if (Disassemble (debugger, |
| 154 | arch, |
| 155 | plugin_name, |
Jim Ingham | 0f063ba | 2013-03-02 00:26:47 +0000 | [diff] [blame] | 156 | flavor, |
Greg Clayton | 1080edbc | 2011-03-25 18:03:16 +0000 | [diff] [blame] | 157 | exe_ctx, |
| 158 | range, |
| 159 | num_instructions, |
| 160 | num_mixed_context_lines, |
Greg Clayton | 1da6f9d | 2011-06-22 01:39:49 +0000 | [diff] [blame] | 161 | options, |
Greg Clayton | 1080edbc | 2011-03-25 18:03:16 +0000 | [diff] [blame] | 162 | strm)) |
Greg Clayton | dda4f7b | 2010-06-30 23:03:03 +0000 | [diff] [blame] | 163 | { |
| 164 | ++success_count; |
| 165 | strm.EOL(); |
| 166 | } |
| 167 | } |
| 168 | } |
| 169 | return success_count; |
| 170 | } |
| 171 | |
Chris Lattner | 30fdc8d | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 172 | bool |
| 173 | Disassembler::Disassemble |
| 174 | ( |
Greg Clayton | 6611103 | 2010-06-23 01:19:29 +0000 | [diff] [blame] | 175 | Debugger &debugger, |
Chris Lattner | 30fdc8d | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 176 | const ArchSpec &arch, |
Greg Clayton | 1080edbc | 2011-03-25 18:03:16 +0000 | [diff] [blame] | 177 | const char *plugin_name, |
Jim Ingham | 0f063ba | 2013-03-02 00:26:47 +0000 | [diff] [blame] | 178 | const char *flavor, |
Chris Lattner | 30fdc8d | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 179 | const ExecutionContext &exe_ctx, |
Greg Clayton | dda4f7b | 2010-06-30 23:03:03 +0000 | [diff] [blame] | 180 | const ConstString &name, |
| 181 | Module *module, |
Jim Ingham | 37023b0 | 2011-03-22 01:48:42 +0000 | [diff] [blame] | 182 | uint32_t num_instructions, |
Greg Clayton | dda4f7b | 2010-06-30 23:03:03 +0000 | [diff] [blame] | 183 | uint32_t num_mixed_context_lines, |
Greg Clayton | 1da6f9d | 2011-06-22 01:39:49 +0000 | [diff] [blame] | 184 | uint32_t options, |
Chris Lattner | 30fdc8d | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 185 | Stream &strm |
| 186 | ) |
| 187 | { |
Greg Clayton | dda4f7b | 2010-06-30 23:03:03 +0000 | [diff] [blame] | 188 | SymbolContextList sc_list; |
Greg Clayton | 931180e | 2011-01-27 06:44:37 +0000 | [diff] [blame] | 189 | if (name) |
Chris Lattner | 30fdc8d | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 190 | { |
Greg Clayton | 931180e | 2011-01-27 06:44:37 +0000 | [diff] [blame] | 191 | const bool include_symbols = true; |
Sean Callanan | 9df05fb | 2012-02-10 22:52:19 +0000 | [diff] [blame] | 192 | const bool include_inlines = true; |
Greg Clayton | 931180e | 2011-01-27 06:44:37 +0000 | [diff] [blame] | 193 | if (module) |
| 194 | { |
Sean Callanan | b6d70eb | 2011-10-12 02:08:07 +0000 | [diff] [blame] | 195 | module->FindFunctions (name, |
| 196 | NULL, |
Greg Clayton | 6ecb232 | 2013-05-18 00:11:21 +0000 | [diff] [blame] | 197 | eFunctionNameTypeAuto, |
Greg Clayton | 931180e | 2011-01-27 06:44:37 +0000 | [diff] [blame] | 198 | include_symbols, |
Sean Callanan | 9df05fb | 2012-02-10 22:52:19 +0000 | [diff] [blame] | 199 | include_inlines, |
Greg Clayton | 931180e | 2011-01-27 06:44:37 +0000 | [diff] [blame] | 200 | true, |
| 201 | sc_list); |
| 202 | } |
Greg Clayton | c14ee32 | 2011-09-22 04:58:26 +0000 | [diff] [blame] | 203 | else if (exe_ctx.GetTargetPtr()) |
Greg Clayton | 931180e | 2011-01-27 06:44:37 +0000 | [diff] [blame] | 204 | { |
Greg Clayton | c14ee32 | 2011-09-22 04:58:26 +0000 | [diff] [blame] | 205 | exe_ctx.GetTargetPtr()->GetImages().FindFunctions (name, |
Greg Clayton | 6ecb232 | 2013-05-18 00:11:21 +0000 | [diff] [blame] | 206 | eFunctionNameTypeAuto, |
Sean Callanan | 9df05fb | 2012-02-10 22:52:19 +0000 | [diff] [blame] | 207 | include_symbols, |
| 208 | include_inlines, |
Greg Clayton | c14ee32 | 2011-09-22 04:58:26 +0000 | [diff] [blame] | 209 | false, |
| 210 | sc_list); |
Greg Clayton | dda4f7b | 2010-06-30 23:03:03 +0000 | [diff] [blame] | 211 | } |
Greg Clayton | 931180e | 2011-01-27 06:44:37 +0000 | [diff] [blame] | 212 | } |
| 213 | |
| 214 | if (sc_list.GetSize ()) |
| 215 | { |
| 216 | return Disassemble (debugger, |
| 217 | arch, |
Greg Clayton | 1080edbc | 2011-03-25 18:03:16 +0000 | [diff] [blame] | 218 | plugin_name, |
Jim Ingham | 0f063ba | 2013-03-02 00:26:47 +0000 | [diff] [blame] | 219 | flavor, |
Greg Clayton | 931180e | 2011-01-27 06:44:37 +0000 | [diff] [blame] | 220 | exe_ctx, |
Jim Ingham | 37023b0 | 2011-03-22 01:48:42 +0000 | [diff] [blame] | 221 | sc_list, |
| 222 | num_instructions, |
Greg Clayton | 931180e | 2011-01-27 06:44:37 +0000 | [diff] [blame] | 223 | num_mixed_context_lines, |
Greg Clayton | 1da6f9d | 2011-06-22 01:39:49 +0000 | [diff] [blame] | 224 | options, |
Greg Clayton | 931180e | 2011-01-27 06:44:37 +0000 | [diff] [blame] | 225 | strm); |
Greg Clayton | dda4f7b | 2010-06-30 23:03:03 +0000 | [diff] [blame] | 226 | } |
| 227 | return false; |
| 228 | } |
| 229 | |
Greg Clayton | 1d27316 | 2010-10-06 03:09:58 +0000 | [diff] [blame] | 230 | |
| 231 | lldb::DisassemblerSP |
| 232 | Disassembler::DisassembleRange |
| 233 | ( |
| 234 | const ArchSpec &arch, |
Greg Clayton | 1080edbc | 2011-03-25 18:03:16 +0000 | [diff] [blame] | 235 | const char *plugin_name, |
Jim Ingham | 0f063ba | 2013-03-02 00:26:47 +0000 | [diff] [blame] | 236 | const char *flavor, |
Greg Clayton | 1d27316 | 2010-10-06 03:09:58 +0000 | [diff] [blame] | 237 | const ExecutionContext &exe_ctx, |
| 238 | const AddressRange &range |
| 239 | ) |
| 240 | { |
| 241 | lldb::DisassemblerSP disasm_sp; |
| 242 | if (range.GetByteSize() > 0 && range.GetBaseAddress().IsValid()) |
| 243 | { |
Jim Ingham | 0f063ba | 2013-03-02 00:26:47 +0000 | [diff] [blame] | 244 | disasm_sp = Disassembler::FindPluginForTarget(exe_ctx.GetTargetSP(), arch, flavor, plugin_name); |
Greg Clayton | 1d27316 | 2010-10-06 03:09:58 +0000 | [diff] [blame] | 245 | |
| 246 | if (disasm_sp) |
| 247 | { |
Greg Clayton | 3faf47c | 2013-03-28 23:42:53 +0000 | [diff] [blame] | 248 | const bool prefer_file_cache = false; |
| 249 | size_t bytes_disassembled = disasm_sp->ParseInstructions (&exe_ctx, range, NULL, prefer_file_cache); |
Greg Clayton | 1d27316 | 2010-10-06 03:09:58 +0000 | [diff] [blame] | 250 | if (bytes_disassembled == 0) |
| 251 | disasm_sp.reset(); |
| 252 | } |
| 253 | } |
| 254 | return disasm_sp; |
| 255 | } |
| 256 | |
Sean Callanan | 50952e9 | 2011-12-14 23:49:37 +0000 | [diff] [blame] | 257 | lldb::DisassemblerSP |
Greg Clayton | 3faf47c | 2013-03-28 23:42:53 +0000 | [diff] [blame] | 258 | Disassembler::DisassembleBytes (const ArchSpec &arch, |
| 259 | const char *plugin_name, |
| 260 | const char *flavor, |
| 261 | const Address &start, |
| 262 | const void *src, |
| 263 | size_t src_len, |
| 264 | uint32_t num_instructions, |
| 265 | bool data_from_file) |
Sean Callanan | 50952e9 | 2011-12-14 23:49:37 +0000 | [diff] [blame] | 266 | { |
| 267 | lldb::DisassemblerSP disasm_sp; |
| 268 | |
Greg Clayton | 3faf47c | 2013-03-28 23:42:53 +0000 | [diff] [blame] | 269 | if (src) |
Sean Callanan | 50952e9 | 2011-12-14 23:49:37 +0000 | [diff] [blame] | 270 | { |
Jim Ingham | 0f063ba | 2013-03-02 00:26:47 +0000 | [diff] [blame] | 271 | disasm_sp = Disassembler::FindPlugin(arch, flavor, plugin_name); |
Sean Callanan | 50952e9 | 2011-12-14 23:49:37 +0000 | [diff] [blame] | 272 | |
| 273 | if (disasm_sp) |
| 274 | { |
Greg Clayton | 3faf47c | 2013-03-28 23:42:53 +0000 | [diff] [blame] | 275 | DataExtractor data(src, src_len, arch.GetByteOrder(), arch.GetAddressByteSize()); |
Sean Callanan | 50952e9 | 2011-12-14 23:49:37 +0000 | [diff] [blame] | 276 | |
| 277 | (void)disasm_sp->DecodeInstructions (start, |
| 278 | data, |
| 279 | 0, |
Greg Clayton | 9c76611 | 2012-03-06 22:24:44 +0000 | [diff] [blame] | 280 | num_instructions, |
Greg Clayton | 3faf47c | 2013-03-28 23:42:53 +0000 | [diff] [blame] | 281 | false, |
| 282 | data_from_file); |
Sean Callanan | 50952e9 | 2011-12-14 23:49:37 +0000 | [diff] [blame] | 283 | } |
| 284 | } |
| 285 | |
| 286 | return disasm_sp; |
| 287 | } |
| 288 | |
Greg Clayton | 1d27316 | 2010-10-06 03:09:58 +0000 | [diff] [blame] | 289 | |
Greg Clayton | dda4f7b | 2010-06-30 23:03:03 +0000 | [diff] [blame] | 290 | bool |
| 291 | Disassembler::Disassemble |
| 292 | ( |
| 293 | Debugger &debugger, |
| 294 | const ArchSpec &arch, |
Greg Clayton | 1080edbc | 2011-03-25 18:03:16 +0000 | [diff] [blame] | 295 | const char *plugin_name, |
Jim Ingham | 0f063ba | 2013-03-02 00:26:47 +0000 | [diff] [blame] | 296 | const char *flavor, |
Greg Clayton | dda4f7b | 2010-06-30 23:03:03 +0000 | [diff] [blame] | 297 | const ExecutionContext &exe_ctx, |
| 298 | const AddressRange &disasm_range, |
Jim Ingham | 37023b0 | 2011-03-22 01:48:42 +0000 | [diff] [blame] | 299 | uint32_t num_instructions, |
Greg Clayton | dda4f7b | 2010-06-30 23:03:03 +0000 | [diff] [blame] | 300 | uint32_t num_mixed_context_lines, |
Greg Clayton | 1da6f9d | 2011-06-22 01:39:49 +0000 | [diff] [blame] | 301 | uint32_t options, |
Greg Clayton | dda4f7b | 2010-06-30 23:03:03 +0000 | [diff] [blame] | 302 | Stream &strm |
| 303 | ) |
| 304 | { |
| 305 | if (disasm_range.GetByteSize()) |
| 306 | { |
Jim Ingham | 0f063ba | 2013-03-02 00:26:47 +0000 | [diff] [blame] | 307 | lldb::DisassemblerSP disasm_sp (Disassembler::FindPluginForTarget(exe_ctx.GetTargetSP(), arch, flavor, plugin_name)); |
Greg Clayton | dda4f7b | 2010-06-30 23:03:03 +0000 | [diff] [blame] | 308 | |
Sean Callanan | 7e6d4e5 | 2012-08-01 18:50:59 +0000 | [diff] [blame] | 309 | if (disasm_sp.get()) |
Greg Clayton | dda4f7b | 2010-06-30 23:03:03 +0000 | [diff] [blame] | 310 | { |
Greg Clayton | 357132e | 2011-03-26 19:14:58 +0000 | [diff] [blame] | 311 | AddressRange range; |
| 312 | ResolveAddress (exe_ctx, disasm_range.GetBaseAddress(), range.GetBaseAddress()); |
| 313 | range.SetByteSize (disasm_range.GetByteSize()); |
Greg Clayton | 3faf47c | 2013-03-28 23:42:53 +0000 | [diff] [blame] | 314 | const bool prefer_file_cache = false; |
| 315 | size_t bytes_disassembled = disasm_sp->ParseInstructions (&exe_ctx, range, &strm, prefer_file_cache); |
Chris Lattner | 30fdc8d | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 316 | if (bytes_disassembled == 0) |
Chris Lattner | 30fdc8d | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 317 | return false; |
Greg Clayton | 1080edbc | 2011-03-25 18:03:16 +0000 | [diff] [blame] | 318 | |
Sean Callanan | 7e6d4e5 | 2012-08-01 18:50:59 +0000 | [diff] [blame] | 319 | return PrintInstructions (disasm_sp.get(), |
Greg Clayton | 1080edbc | 2011-03-25 18:03:16 +0000 | [diff] [blame] | 320 | debugger, |
| 321 | arch, |
| 322 | exe_ctx, |
Greg Clayton | 1080edbc | 2011-03-25 18:03:16 +0000 | [diff] [blame] | 323 | num_instructions, |
| 324 | num_mixed_context_lines, |
Greg Clayton | 1da6f9d | 2011-06-22 01:39:49 +0000 | [diff] [blame] | 325 | options, |
Greg Clayton | 1080edbc | 2011-03-25 18:03:16 +0000 | [diff] [blame] | 326 | strm); |
Jim Ingham | 37023b0 | 2011-03-22 01:48:42 +0000 | [diff] [blame] | 327 | } |
| 328 | } |
| 329 | return false; |
| 330 | } |
| 331 | |
| 332 | bool |
| 333 | Disassembler::Disassemble |
| 334 | ( |
| 335 | Debugger &debugger, |
| 336 | const ArchSpec &arch, |
Greg Clayton | 1080edbc | 2011-03-25 18:03:16 +0000 | [diff] [blame] | 337 | const char *plugin_name, |
Jim Ingham | 0f063ba | 2013-03-02 00:26:47 +0000 | [diff] [blame] | 338 | const char *flavor, |
Jim Ingham | 37023b0 | 2011-03-22 01:48:42 +0000 | [diff] [blame] | 339 | const ExecutionContext &exe_ctx, |
| 340 | const Address &start_address, |
| 341 | uint32_t num_instructions, |
| 342 | uint32_t num_mixed_context_lines, |
Greg Clayton | 1da6f9d | 2011-06-22 01:39:49 +0000 | [diff] [blame] | 343 | uint32_t options, |
Jim Ingham | 37023b0 | 2011-03-22 01:48:42 +0000 | [diff] [blame] | 344 | Stream &strm |
| 345 | ) |
| 346 | { |
| 347 | if (num_instructions > 0) |
| 348 | { |
Greg Clayton | 3faf47c | 2013-03-28 23:42:53 +0000 | [diff] [blame] | 349 | lldb::DisassemblerSP disasm_sp (Disassembler::FindPluginForTarget(exe_ctx.GetTargetSP(), |
| 350 | arch, |
| 351 | flavor, |
| 352 | plugin_name)); |
Sean Callanan | 7e6d4e5 | 2012-08-01 18:50:59 +0000 | [diff] [blame] | 353 | if (disasm_sp.get()) |
Jim Ingham | 37023b0 | 2011-03-22 01:48:42 +0000 | [diff] [blame] | 354 | { |
Greg Clayton | 357132e | 2011-03-26 19:14:58 +0000 | [diff] [blame] | 355 | Address addr; |
| 356 | ResolveAddress (exe_ctx, start_address, addr); |
Greg Clayton | 3faf47c | 2013-03-28 23:42:53 +0000 | [diff] [blame] | 357 | const bool prefer_file_cache = false; |
| 358 | size_t bytes_disassembled = disasm_sp->ParseInstructions (&exe_ctx, |
| 359 | addr, |
| 360 | num_instructions, |
| 361 | prefer_file_cache); |
Jim Ingham | 37023b0 | 2011-03-22 01:48:42 +0000 | [diff] [blame] | 362 | if (bytes_disassembled == 0) |
Jim Ingham | 37023b0 | 2011-03-22 01:48:42 +0000 | [diff] [blame] | 363 | return false; |
Sean Callanan | 7e6d4e5 | 2012-08-01 18:50:59 +0000 | [diff] [blame] | 364 | return PrintInstructions (disasm_sp.get(), |
Greg Clayton | 1080edbc | 2011-03-25 18:03:16 +0000 | [diff] [blame] | 365 | debugger, |
| 366 | arch, |
| 367 | exe_ctx, |
Greg Clayton | 1080edbc | 2011-03-25 18:03:16 +0000 | [diff] [blame] | 368 | num_instructions, |
| 369 | num_mixed_context_lines, |
Greg Clayton | 1da6f9d | 2011-06-22 01:39:49 +0000 | [diff] [blame] | 370 | options, |
Greg Clayton | 1080edbc | 2011-03-25 18:03:16 +0000 | [diff] [blame] | 371 | strm); |
Chris Lattner | 30fdc8d | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 372 | } |
Chris Lattner | 30fdc8d | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 373 | } |
| 374 | return false; |
| 375 | } |
Jim Ingham | 37023b0 | 2011-03-22 01:48:42 +0000 | [diff] [blame] | 376 | |
| 377 | bool |
| 378 | Disassembler::PrintInstructions |
| 379 | ( |
| 380 | Disassembler *disasm_ptr, |
Jim Ingham | 37023b0 | 2011-03-22 01:48:42 +0000 | [diff] [blame] | 381 | Debugger &debugger, |
| 382 | const ArchSpec &arch, |
| 383 | const ExecutionContext &exe_ctx, |
Jim Ingham | 37023b0 | 2011-03-22 01:48:42 +0000 | [diff] [blame] | 384 | uint32_t num_instructions, |
| 385 | uint32_t num_mixed_context_lines, |
Greg Clayton | 1da6f9d | 2011-06-22 01:39:49 +0000 | [diff] [blame] | 386 | uint32_t options, |
Jim Ingham | 37023b0 | 2011-03-22 01:48:42 +0000 | [diff] [blame] | 387 | Stream &strm |
| 388 | ) |
| 389 | { |
| 390 | // We got some things disassembled... |
| 391 | size_t num_instructions_found = disasm_ptr->GetInstructionList().GetSize(); |
| 392 | |
| 393 | if (num_instructions > 0 && num_instructions < num_instructions_found) |
| 394 | num_instructions_found = num_instructions; |
| 395 | |
Greg Clayton | 357132e | 2011-03-26 19:14:58 +0000 | [diff] [blame] | 396 | const uint32_t max_opcode_byte_size = disasm_ptr->GetInstructionList().GetMaxOpcocdeByteSize (); |
Jim Ingham | 37023b0 | 2011-03-22 01:48:42 +0000 | [diff] [blame] | 397 | uint32_t offset = 0; |
| 398 | SymbolContext sc; |
| 399 | SymbolContext prev_sc; |
| 400 | AddressRange sc_range; |
Greg Clayton | 3413275 | 2011-07-06 04:07:21 +0000 | [diff] [blame] | 401 | const Address *pc_addr_ptr = NULL; |
Greg Clayton | 7e14f91 | 2011-04-23 02:04:55 +0000 | [diff] [blame] | 402 | ExecutionContextScope *exe_scope = exe_ctx.GetBestExecutionContextScope(); |
Greg Clayton | c14ee32 | 2011-09-22 04:58:26 +0000 | [diff] [blame] | 403 | StackFrame *frame = exe_ctx.GetFramePtr(); |
| 404 | |
Michael Sartain | 4b2967f | 2013-07-08 17:56:02 +0000 | [diff] [blame] | 405 | TargetSP target_sp (exe_ctx.GetTargetSP()); |
| 406 | SourceManager &source_manager = target_sp ? target_sp->GetSourceManager() : debugger.GetSourceManager(); |
| 407 | |
Greg Clayton | c14ee32 | 2011-09-22 04:58:26 +0000 | [diff] [blame] | 408 | if (frame) |
| 409 | pc_addr_ptr = &frame->GetFrameCodeAddress(); |
Greg Clayton | 7e14f91 | 2011-04-23 02:04:55 +0000 | [diff] [blame] | 410 | const uint32_t scope = eSymbolContextLineEntry | eSymbolContextFunction | eSymbolContextSymbol; |
| 411 | const bool use_inline_block_range = false; |
Jim Ingham | 37023b0 | 2011-03-22 01:48:42 +0000 | [diff] [blame] | 412 | for (size_t i=0; i<num_instructions_found; ++i) |
| 413 | { |
| 414 | Instruction *inst = disasm_ptr->GetInstructionList().GetInstructionAtIndex (i).get(); |
| 415 | if (inst) |
| 416 | { |
Greg Clayton | 32e0a75 | 2011-03-30 18:16:51 +0000 | [diff] [blame] | 417 | const Address &addr = inst->GetAddress(); |
| 418 | const bool inst_is_at_pc = pc_addr_ptr && addr == *pc_addr_ptr; |
Jim Ingham | 37023b0 | 2011-03-22 01:48:42 +0000 | [diff] [blame] | 419 | |
| 420 | prev_sc = sc; |
| 421 | |
Greg Clayton | e72dfb3 | 2012-02-24 01:59:29 +0000 | [diff] [blame] | 422 | ModuleSP module_sp (addr.GetModule()); |
| 423 | if (module_sp) |
Jim Ingham | 37023b0 | 2011-03-22 01:48:42 +0000 | [diff] [blame] | 424 | { |
Greg Clayton | e72dfb3 | 2012-02-24 01:59:29 +0000 | [diff] [blame] | 425 | uint32_t resolved_mask = module_sp->ResolveSymbolContextForAddress(addr, eSymbolContextEverything, sc); |
Jim Ingham | 37023b0 | 2011-03-22 01:48:42 +0000 | [diff] [blame] | 426 | if (resolved_mask) |
| 427 | { |
Greg Clayton | 32e0a75 | 2011-03-30 18:16:51 +0000 | [diff] [blame] | 428 | if (num_mixed_context_lines) |
| 429 | { |
| 430 | if (!sc_range.ContainsFileAddress (addr)) |
| 431 | { |
Greg Clayton | 7e14f91 | 2011-04-23 02:04:55 +0000 | [diff] [blame] | 432 | sc.GetAddressRange (scope, 0, use_inline_block_range, sc_range); |
Greg Clayton | 32e0a75 | 2011-03-30 18:16:51 +0000 | [diff] [blame] | 433 | |
| 434 | if (sc != prev_sc) |
| 435 | { |
| 436 | if (offset != 0) |
| 437 | strm.EOL(); |
| 438 | |
Greg Clayton | c14ee32 | 2011-09-22 04:58:26 +0000 | [diff] [blame] | 439 | sc.DumpStopContext(&strm, exe_ctx.GetProcessPtr(), addr, false, true, false); |
Greg Clayton | 32e0a75 | 2011-03-30 18:16:51 +0000 | [diff] [blame] | 440 | strm.EOL(); |
| 441 | |
| 442 | if (sc.comp_unit && sc.line_entry.IsValid()) |
| 443 | { |
Michael Sartain | 4b2967f | 2013-07-08 17:56:02 +0000 | [diff] [blame] | 444 | source_manager.DisplaySourceLinesWithLineNumbers (sc.line_entry.file, |
| 445 | sc.line_entry.line, |
| 446 | num_mixed_context_lines, |
| 447 | num_mixed_context_lines, |
| 448 | ((inst_is_at_pc && (options & eOptionMarkPCSourceLine)) ? "->" : ""), |
| 449 | &strm); |
Greg Clayton | 32e0a75 | 2011-03-30 18:16:51 +0000 | [diff] [blame] | 450 | } |
| 451 | } |
| 452 | } |
| 453 | } |
Greg Clayton | 1bba2be | 2011-11-30 19:36:42 +0000 | [diff] [blame] | 454 | else if ((sc.function || sc.symbol) && (sc.function != prev_sc.function || sc.symbol != prev_sc.symbol)) |
Jim Ingham | 37023b0 | 2011-03-22 01:48:42 +0000 | [diff] [blame] | 455 | { |
| 456 | if (prev_sc.function || prev_sc.symbol) |
| 457 | strm.EOL(); |
| 458 | |
Greg Clayton | 7e14f91 | 2011-04-23 02:04:55 +0000 | [diff] [blame] | 459 | bool show_fullpaths = false; |
| 460 | bool show_module = true; |
| 461 | bool show_inlined_frames = true; |
| 462 | sc.DumpStopContext (&strm, |
| 463 | exe_scope, |
| 464 | addr, |
| 465 | show_fullpaths, |
| 466 | show_module, |
| 467 | show_inlined_frames); |
Jim Ingham | 37023b0 | 2011-03-22 01:48:42 +0000 | [diff] [blame] | 468 | |
Jim Ingham | 37023b0 | 2011-03-22 01:48:42 +0000 | [diff] [blame] | 469 | strm << ":\n"; |
| 470 | } |
Jim Ingham | 37023b0 | 2011-03-22 01:48:42 +0000 | [diff] [blame] | 471 | } |
| 472 | else |
| 473 | { |
Greg Clayton | 7231035 | 2013-02-23 04:12:47 +0000 | [diff] [blame] | 474 | sc.Clear(true); |
Jim Ingham | 37023b0 | 2011-03-22 01:48:42 +0000 | [diff] [blame] | 475 | } |
| 476 | } |
Jim Ingham | 37023b0 | 2011-03-22 01:48:42 +0000 | [diff] [blame] | 477 | |
Greg Clayton | b10d72f | 2011-06-28 19:01:40 +0000 | [diff] [blame] | 478 | if ((options & eOptionMarkPCAddress) && pc_addr_ptr) |
Greg Clayton | 32e0a75 | 2011-03-30 18:16:51 +0000 | [diff] [blame] | 479 | { |
Greg Clayton | b10d72f | 2011-06-28 19:01:40 +0000 | [diff] [blame] | 480 | strm.PutCString(inst_is_at_pc ? "-> " : " "); |
Greg Clayton | 32e0a75 | 2011-03-30 18:16:51 +0000 | [diff] [blame] | 481 | } |
Greg Clayton | 1da6f9d | 2011-06-22 01:39:49 +0000 | [diff] [blame] | 482 | const bool show_bytes = (options & eOptionShowBytes) != 0; |
Greg Clayton | ba812f4 | 2012-05-10 02:52:23 +0000 | [diff] [blame] | 483 | inst->Dump(&strm, max_opcode_byte_size, true, show_bytes, &exe_ctx); |
Greg Clayton | 32e0a75 | 2011-03-30 18:16:51 +0000 | [diff] [blame] | 484 | strm.EOL(); |
Jim Ingham | 37023b0 | 2011-03-22 01:48:42 +0000 | [diff] [blame] | 485 | } |
| 486 | else |
| 487 | { |
| 488 | break; |
| 489 | } |
| 490 | } |
Jim Ingham | 37023b0 | 2011-03-22 01:48:42 +0000 | [diff] [blame] | 491 | |
| 492 | return true; |
| 493 | } |
Chris Lattner | 30fdc8d | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 494 | |
Greg Clayton | dda4f7b | 2010-06-30 23:03:03 +0000 | [diff] [blame] | 495 | |
| 496 | bool |
| 497 | Disassembler::Disassemble |
| 498 | ( |
| 499 | Debugger &debugger, |
| 500 | const ArchSpec &arch, |
Greg Clayton | 1080edbc | 2011-03-25 18:03:16 +0000 | [diff] [blame] | 501 | const char *plugin_name, |
Jim Ingham | 0f063ba | 2013-03-02 00:26:47 +0000 | [diff] [blame] | 502 | const char *flavor, |
Greg Clayton | dda4f7b | 2010-06-30 23:03:03 +0000 | [diff] [blame] | 503 | const ExecutionContext &exe_ctx, |
Jim Ingham | 37023b0 | 2011-03-22 01:48:42 +0000 | [diff] [blame] | 504 | uint32_t num_instructions, |
Greg Clayton | dda4f7b | 2010-06-30 23:03:03 +0000 | [diff] [blame] | 505 | uint32_t num_mixed_context_lines, |
Greg Clayton | 1da6f9d | 2011-06-22 01:39:49 +0000 | [diff] [blame] | 506 | uint32_t options, |
Greg Clayton | dda4f7b | 2010-06-30 23:03:03 +0000 | [diff] [blame] | 507 | Stream &strm |
| 508 | ) |
| 509 | { |
| 510 | AddressRange range; |
Greg Clayton | c14ee32 | 2011-09-22 04:58:26 +0000 | [diff] [blame] | 511 | StackFrame *frame = exe_ctx.GetFramePtr(); |
| 512 | if (frame) |
Greg Clayton | dda4f7b | 2010-06-30 23:03:03 +0000 | [diff] [blame] | 513 | { |
Greg Clayton | c14ee32 | 2011-09-22 04:58:26 +0000 | [diff] [blame] | 514 | SymbolContext sc(frame->GetSymbolContext(eSymbolContextFunction | eSymbolContextSymbol)); |
Greg Clayton | dda4f7b | 2010-06-30 23:03:03 +0000 | [diff] [blame] | 515 | if (sc.function) |
| 516 | { |
| 517 | range = sc.function->GetAddressRange(); |
| 518 | } |
Greg Clayton | e761213 | 2012-03-07 21:03:09 +0000 | [diff] [blame] | 519 | else if (sc.symbol && sc.symbol->ValueIsAddress()) |
Greg Clayton | dda4f7b | 2010-06-30 23:03:03 +0000 | [diff] [blame] | 520 | { |
Greg Clayton | e761213 | 2012-03-07 21:03:09 +0000 | [diff] [blame] | 521 | range.GetBaseAddress() = sc.symbol->GetAddress(); |
| 522 | range.SetByteSize (sc.symbol->GetByteSize()); |
Greg Clayton | dda4f7b | 2010-06-30 23:03:03 +0000 | [diff] [blame] | 523 | } |
| 524 | else |
| 525 | { |
Greg Clayton | c14ee32 | 2011-09-22 04:58:26 +0000 | [diff] [blame] | 526 | range.GetBaseAddress() = frame->GetFrameCodeAddress(); |
Greg Clayton | dda4f7b | 2010-06-30 23:03:03 +0000 | [diff] [blame] | 527 | } |
| 528 | |
| 529 | if (range.GetBaseAddress().IsValid() && range.GetByteSize() == 0) |
| 530 | range.SetByteSize (DEFAULT_DISASM_BYTE_SIZE); |
| 531 | } |
| 532 | |
Greg Clayton | 1080edbc | 2011-03-25 18:03:16 +0000 | [diff] [blame] | 533 | return Disassemble (debugger, |
| 534 | arch, |
| 535 | plugin_name, |
Jim Ingham | 0f063ba | 2013-03-02 00:26:47 +0000 | [diff] [blame] | 536 | flavor, |
Greg Clayton | 1080edbc | 2011-03-25 18:03:16 +0000 | [diff] [blame] | 537 | exe_ctx, |
| 538 | range, |
| 539 | num_instructions, |
| 540 | num_mixed_context_lines, |
Greg Clayton | 1da6f9d | 2011-06-22 01:39:49 +0000 | [diff] [blame] | 541 | options, |
Greg Clayton | 1080edbc | 2011-03-25 18:03:16 +0000 | [diff] [blame] | 542 | strm); |
Greg Clayton | dda4f7b | 2010-06-30 23:03:03 +0000 | [diff] [blame] | 543 | } |
| 544 | |
Greg Clayton | 357132e | 2011-03-26 19:14:58 +0000 | [diff] [blame] | 545 | Instruction::Instruction(const Address &address, AddressClass addr_class) : |
Greg Clayton | 1080edbc | 2011-03-25 18:03:16 +0000 | [diff] [blame] | 546 | m_address (address), |
Greg Clayton | 357132e | 2011-03-26 19:14:58 +0000 | [diff] [blame] | 547 | m_address_class (addr_class), |
Sean Callanan | a97aa92 | 2012-02-14 00:22:51 +0000 | [diff] [blame] | 548 | m_opcode(), |
| 549 | m_calculated_strings(false) |
Greg Clayton | 0ae9627 | 2011-03-24 23:53:38 +0000 | [diff] [blame] | 550 | { |
Chris Lattner | 30fdc8d | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 551 | } |
| 552 | |
Greg Clayton | 1d27316 | 2010-10-06 03:09:58 +0000 | [diff] [blame] | 553 | Instruction::~Instruction() |
Chris Lattner | 30fdc8d | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 554 | { |
| 555 | } |
| 556 | |
Greg Clayton | 357132e | 2011-03-26 19:14:58 +0000 | [diff] [blame] | 557 | AddressClass |
| 558 | Instruction::GetAddressClass () |
| 559 | { |
| 560 | if (m_address_class == eAddressClassInvalid) |
| 561 | m_address_class = m_address.GetAddressClass(); |
| 562 | return m_address_class; |
| 563 | } |
Chris Lattner | 30fdc8d | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 564 | |
Greg Clayton | ba812f4 | 2012-05-10 02:52:23 +0000 | [diff] [blame] | 565 | void |
| 566 | Instruction::Dump (lldb_private::Stream *s, |
| 567 | uint32_t max_opcode_byte_size, |
| 568 | bool show_address, |
| 569 | bool show_bytes, |
| 570 | const ExecutionContext* exe_ctx) |
| 571 | { |
Jason Molenda | 7a37c1e | 2013-01-04 23:52:35 +0000 | [diff] [blame] | 572 | size_t opcode_column_width = 7; |
Greg Clayton | ba812f4 | 2012-05-10 02:52:23 +0000 | [diff] [blame] | 573 | const size_t operand_column_width = 25; |
| 574 | |
| 575 | CalculateMnemonicOperandsAndCommentIfNeeded (exe_ctx); |
| 576 | |
| 577 | StreamString ss; |
| 578 | |
| 579 | if (show_address) |
| 580 | { |
| 581 | m_address.Dump(&ss, |
| 582 | exe_ctx ? exe_ctx->GetBestExecutionContextScope() : NULL, |
| 583 | Address::DumpStyleLoadAddress, |
| 584 | Address::DumpStyleModuleWithFileAddress, |
| 585 | 0); |
| 586 | |
| 587 | ss.PutCString(": "); |
| 588 | } |
| 589 | |
| 590 | if (show_bytes) |
| 591 | { |
| 592 | if (m_opcode.GetType() == Opcode::eTypeBytes) |
| 593 | { |
| 594 | // x86_64 and i386 are the only ones that use bytes right now so |
| 595 | // pad out the byte dump to be able to always show 15 bytes (3 chars each) |
| 596 | // plus a space |
| 597 | if (max_opcode_byte_size > 0) |
| 598 | m_opcode.Dump (&ss, max_opcode_byte_size * 3 + 1); |
| 599 | else |
| 600 | m_opcode.Dump (&ss, 15 * 3 + 1); |
| 601 | } |
| 602 | else |
| 603 | { |
| 604 | // Else, we have ARM which can show up to a uint32_t 0x00000000 (10 spaces) |
| 605 | // plus two for padding... |
| 606 | if (max_opcode_byte_size > 0) |
| 607 | m_opcode.Dump (&ss, max_opcode_byte_size * 3 + 1); |
| 608 | else |
| 609 | m_opcode.Dump (&ss, 12); |
| 610 | } |
| 611 | } |
| 612 | |
| 613 | const size_t opcode_pos = ss.GetSize(); |
| 614 | |
Jason Molenda | 7a37c1e | 2013-01-04 23:52:35 +0000 | [diff] [blame] | 615 | // The default opcode size of 7 characters is plenty for most architectures |
| 616 | // but some like arm can pull out the occasional vqrshrun.s16. We won't get |
| 617 | // consistent column spacing in these cases, unfortunately. |
| 618 | if (m_opcode_name.length() >= opcode_column_width) |
| 619 | { |
| 620 | opcode_column_width = m_opcode_name.length() + 1; |
| 621 | } |
| 622 | |
Greg Clayton | ba812f4 | 2012-05-10 02:52:23 +0000 | [diff] [blame] | 623 | ss.PutCString (m_opcode_name.c_str()); |
| 624 | ss.FillLastLineToColumn (opcode_pos + opcode_column_width, ' '); |
Jim Ingham | 0f063ba | 2013-03-02 00:26:47 +0000 | [diff] [blame] | 625 | ss.PutCString (m_mnemonics.c_str()); |
Greg Clayton | ba812f4 | 2012-05-10 02:52:23 +0000 | [diff] [blame] | 626 | |
| 627 | if (!m_comment.empty()) |
| 628 | { |
| 629 | ss.FillLastLineToColumn (opcode_pos + opcode_column_width + operand_column_width, ' '); |
| 630 | ss.PutCString (" ; "); |
| 631 | ss.PutCString (m_comment.c_str()); |
| 632 | } |
| 633 | s->Write (ss.GetData(), ss.GetSize()); |
| 634 | } |
| 635 | |
Caroline Tice | 7c9dd3c | 2011-04-05 23:22:54 +0000 | [diff] [blame] | 636 | bool |
| 637 | Instruction::DumpEmulation (const ArchSpec &arch) |
| 638 | { |
Greg Clayton | 7b0992d | 2013-04-18 22:45:39 +0000 | [diff] [blame] | 639 | std::unique_ptr<EmulateInstruction> insn_emulator_ap (EmulateInstruction::FindPlugin (arch, eInstructionTypeAny, NULL)); |
Caroline Tice | 7c9dd3c | 2011-04-05 23:22:54 +0000 | [diff] [blame] | 640 | if (insn_emulator_ap.get()) |
| 641 | { |
Greg Clayton | 2ed751b | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 642 | insn_emulator_ap->SetInstruction (GetOpcode(), GetAddress(), NULL); |
| 643 | return insn_emulator_ap->EvaluateInstruction (0); |
Caroline Tice | 7c9dd3c | 2011-04-05 23:22:54 +0000 | [diff] [blame] | 644 | } |
| 645 | |
| 646 | return false; |
| 647 | } |
| 648 | |
Caroline Tice | de2fb9c | 2011-04-22 05:08:45 +0000 | [diff] [blame] | 649 | OptionValueSP |
| 650 | Instruction::ReadArray (FILE *in_file, Stream *out_stream, OptionValue::Type data_type) |
| 651 | { |
| 652 | bool done = false; |
| 653 | char buffer[1024]; |
| 654 | |
| 655 | OptionValueSP option_value_sp (new OptionValueArray (1u << data_type)); |
| 656 | |
| 657 | int idx = 0; |
| 658 | while (!done) |
| 659 | { |
| 660 | if (!fgets (buffer, 1023, in_file)) |
| 661 | { |
Greg Clayton | 762f713 | 2011-09-18 18:59:15 +0000 | [diff] [blame] | 662 | out_stream->Printf ("Instruction::ReadArray: Error reading file (fgets).\n"); |
Caroline Tice | de2fb9c | 2011-04-22 05:08:45 +0000 | [diff] [blame] | 663 | option_value_sp.reset (); |
| 664 | return option_value_sp; |
| 665 | } |
| 666 | |
| 667 | std::string line (buffer); |
| 668 | |
Greg Clayton | c7bece56 | 2013-01-25 18:06:21 +0000 | [diff] [blame] | 669 | size_t len = line.size(); |
Caroline Tice | de2fb9c | 2011-04-22 05:08:45 +0000 | [diff] [blame] | 670 | if (line[len-1] == '\n') |
| 671 | { |
| 672 | line[len-1] = '\0'; |
| 673 | line.resize (len-1); |
| 674 | } |
| 675 | |
| 676 | if ((line.size() == 1) && line[0] == ']') |
| 677 | { |
| 678 | done = true; |
| 679 | line.clear(); |
| 680 | } |
| 681 | |
| 682 | if (line.size() > 0) |
| 683 | { |
| 684 | std::string value; |
Greg Clayton | bc43cab | 2013-04-03 21:37:16 +0000 | [diff] [blame] | 685 | static RegularExpression g_reg_exp ("^[ \t]*([^ \t]+)[ \t]*$"); |
| 686 | RegularExpression::Match regex_match(1); |
| 687 | bool reg_exp_success = g_reg_exp.Execute (line.c_str(), ®ex_match); |
Caroline Tice | de2fb9c | 2011-04-22 05:08:45 +0000 | [diff] [blame] | 688 | if (reg_exp_success) |
Greg Clayton | bc43cab | 2013-04-03 21:37:16 +0000 | [diff] [blame] | 689 | regex_match.GetMatchAtIndex (line.c_str(), 1, value); |
Caroline Tice | de2fb9c | 2011-04-22 05:08:45 +0000 | [diff] [blame] | 690 | else |
| 691 | value = line; |
| 692 | |
| 693 | OptionValueSP data_value_sp; |
| 694 | switch (data_type) |
| 695 | { |
| 696 | case OptionValue::eTypeUInt64: |
| 697 | data_value_sp.reset (new OptionValueUInt64 (0, 0)); |
| 698 | data_value_sp->SetValueFromCString (value.c_str()); |
| 699 | break; |
| 700 | // Other types can be added later as needed. |
| 701 | default: |
| 702 | data_value_sp.reset (new OptionValueString (value.c_str(), "")); |
| 703 | break; |
| 704 | } |
| 705 | |
Greg Clayton | 84c3966 | 2011-04-27 22:04:39 +0000 | [diff] [blame] | 706 | option_value_sp->GetAsArray()->InsertValue (idx, data_value_sp); |
Caroline Tice | de2fb9c | 2011-04-22 05:08:45 +0000 | [diff] [blame] | 707 | ++idx; |
| 708 | } |
| 709 | } |
| 710 | |
| 711 | return option_value_sp; |
| 712 | } |
| 713 | |
| 714 | OptionValueSP |
| 715 | Instruction::ReadDictionary (FILE *in_file, Stream *out_stream) |
| 716 | { |
| 717 | bool done = false; |
| 718 | char buffer[1024]; |
| 719 | |
| 720 | OptionValueSP option_value_sp (new OptionValueDictionary()); |
| 721 | static ConstString encoding_key ("data_encoding"); |
| 722 | OptionValue::Type data_type = OptionValue::eTypeInvalid; |
| 723 | |
| 724 | |
| 725 | while (!done) |
| 726 | { |
| 727 | // Read the next line in the file |
| 728 | if (!fgets (buffer, 1023, in_file)) |
| 729 | { |
| 730 | out_stream->Printf ("Instruction::ReadDictionary: Error reading file (fgets).\n"); |
| 731 | option_value_sp.reset (); |
| 732 | return option_value_sp; |
| 733 | } |
| 734 | |
| 735 | // Check to see if the line contains the end-of-dictionary marker ("}") |
| 736 | std::string line (buffer); |
| 737 | |
Greg Clayton | c7bece56 | 2013-01-25 18:06:21 +0000 | [diff] [blame] | 738 | size_t len = line.size(); |
Caroline Tice | de2fb9c | 2011-04-22 05:08:45 +0000 | [diff] [blame] | 739 | if (line[len-1] == '\n') |
| 740 | { |
| 741 | line[len-1] = '\0'; |
| 742 | line.resize (len-1); |
| 743 | } |
| 744 | |
| 745 | if ((line.size() == 1) && (line[0] == '}')) |
| 746 | { |
| 747 | done = true; |
| 748 | line.clear(); |
| 749 | } |
| 750 | |
| 751 | // Try to find a key-value pair in the current line and add it to the dictionary. |
| 752 | if (line.size() > 0) |
| 753 | { |
Greg Clayton | bc43cab | 2013-04-03 21:37:16 +0000 | [diff] [blame] | 754 | static RegularExpression g_reg_exp ("^[ \t]*([a-zA-Z_][a-zA-Z0-9_]*)[ \t]*=[ \t]*(.*)[ \t]*$"); |
| 755 | RegularExpression::Match regex_match(2); |
| 756 | |
| 757 | bool reg_exp_success = g_reg_exp.Execute (line.c_str(), ®ex_match); |
Caroline Tice | de2fb9c | 2011-04-22 05:08:45 +0000 | [diff] [blame] | 758 | std::string key; |
| 759 | std::string value; |
| 760 | if (reg_exp_success) |
| 761 | { |
Greg Clayton | bc43cab | 2013-04-03 21:37:16 +0000 | [diff] [blame] | 762 | regex_match.GetMatchAtIndex (line.c_str(), 1, key); |
| 763 | regex_match.GetMatchAtIndex (line.c_str(), 2, value); |
Caroline Tice | de2fb9c | 2011-04-22 05:08:45 +0000 | [diff] [blame] | 764 | } |
| 765 | else |
| 766 | { |
| 767 | out_stream->Printf ("Instruction::ReadDictionary: Failure executing regular expression.\n"); |
| 768 | option_value_sp.reset(); |
| 769 | return option_value_sp; |
| 770 | } |
| 771 | |
| 772 | ConstString const_key (key.c_str()); |
| 773 | // Check value to see if it's the start of an array or dictionary. |
| 774 | |
| 775 | lldb::OptionValueSP value_sp; |
| 776 | assert (value.empty() == false); |
| 777 | assert (key.empty() == false); |
| 778 | |
| 779 | if (value[0] == '{') |
| 780 | { |
| 781 | assert (value.size() == 1); |
| 782 | // value is a dictionary |
| 783 | value_sp = ReadDictionary (in_file, out_stream); |
| 784 | if (value_sp.get() == NULL) |
| 785 | { |
| 786 | option_value_sp.reset (); |
| 787 | return option_value_sp; |
| 788 | } |
| 789 | } |
| 790 | else if (value[0] == '[') |
| 791 | { |
| 792 | assert (value.size() == 1); |
| 793 | // value is an array |
| 794 | value_sp = ReadArray (in_file, out_stream, data_type); |
| 795 | if (value_sp.get() == NULL) |
| 796 | { |
| 797 | option_value_sp.reset (); |
| 798 | return option_value_sp; |
| 799 | } |
| 800 | // We've used the data_type to read an array; re-set the type to Invalid |
| 801 | data_type = OptionValue::eTypeInvalid; |
| 802 | } |
| 803 | else if ((value[0] == '0') && (value[1] == 'x')) |
| 804 | { |
| 805 | value_sp.reset (new OptionValueUInt64 (0, 0)); |
| 806 | value_sp->SetValueFromCString (value.c_str()); |
| 807 | } |
| 808 | else |
| 809 | { |
Greg Clayton | c7bece56 | 2013-01-25 18:06:21 +0000 | [diff] [blame] | 810 | size_t len = value.size(); |
Caroline Tice | de2fb9c | 2011-04-22 05:08:45 +0000 | [diff] [blame] | 811 | if ((value[0] == '"') && (value[len-1] == '"')) |
| 812 | value = value.substr (1, len-2); |
| 813 | value_sp.reset (new OptionValueString (value.c_str(), "")); |
| 814 | } |
| 815 | |
| 816 | |
| 817 | |
| 818 | if (const_key == encoding_key) |
| 819 | { |
| 820 | // A 'data_encoding=..." is NOT a normal key-value pair; it is meta-data indicating the |
| 821 | // data type of an upcoming array (usually the next bit of data to be read in). |
| 822 | if (strcmp (value.c_str(), "uint32_t") == 0) |
| 823 | data_type = OptionValue::eTypeUInt64; |
| 824 | } |
| 825 | else |
Greg Clayton | 84c3966 | 2011-04-27 22:04:39 +0000 | [diff] [blame] | 826 | option_value_sp->GetAsDictionary()->SetValueForKey (const_key, value_sp, false); |
Caroline Tice | de2fb9c | 2011-04-22 05:08:45 +0000 | [diff] [blame] | 827 | } |
| 828 | } |
| 829 | |
| 830 | return option_value_sp; |
| 831 | } |
| 832 | |
Caroline Tice | 7c9dd3c | 2011-04-05 23:22:54 +0000 | [diff] [blame] | 833 | bool |
Caroline Tice | 3ac6711 | 2011-04-19 23:30:03 +0000 | [diff] [blame] | 834 | Instruction::TestEmulation (Stream *out_stream, const char *file_name) |
| 835 | { |
| 836 | if (!out_stream) |
| 837 | return false; |
| 838 | |
| 839 | if (!file_name) |
| 840 | { |
Johnny Chen | ea80ba8 | 2011-04-21 20:27:45 +0000 | [diff] [blame] | 841 | out_stream->Printf ("Instruction::TestEmulation: Missing file_name."); |
Caroline Tice | 3ac6711 | 2011-04-19 23:30:03 +0000 | [diff] [blame] | 842 | return false; |
| 843 | } |
| 844 | |
| 845 | FILE *test_file = fopen (file_name, "r"); |
| 846 | if (!test_file) |
| 847 | { |
Johnny Chen | ea80ba8 | 2011-04-21 20:27:45 +0000 | [diff] [blame] | 848 | out_stream->Printf ("Instruction::TestEmulation: Attempt to open test file failed."); |
Caroline Tice | 3ac6711 | 2011-04-19 23:30:03 +0000 | [diff] [blame] | 849 | return false; |
| 850 | } |
| 851 | |
Caroline Tice | 3ac6711 | 2011-04-19 23:30:03 +0000 | [diff] [blame] | 852 | char buffer[256]; |
Caroline Tice | de2fb9c | 2011-04-22 05:08:45 +0000 | [diff] [blame] | 853 | if (!fgets (buffer, 255, test_file)) |
Caroline Tice | 3ac6711 | 2011-04-19 23:30:03 +0000 | [diff] [blame] | 854 | { |
Caroline Tice | de2fb9c | 2011-04-22 05:08:45 +0000 | [diff] [blame] | 855 | out_stream->Printf ("Instruction::TestEmulation: Error reading first line of test file.\n"); |
Caroline Tice | 3ac6711 | 2011-04-19 23:30:03 +0000 | [diff] [blame] | 856 | fclose (test_file); |
| 857 | return false; |
| 858 | } |
| 859 | |
Caroline Tice | de2fb9c | 2011-04-22 05:08:45 +0000 | [diff] [blame] | 860 | if (strncmp (buffer, "InstructionEmulationState={", 27) != 0) |
| 861 | { |
| 862 | out_stream->Printf ("Instructin::TestEmulation: Test file does not contain emulation state dictionary\n"); |
| 863 | fclose (test_file); |
| 864 | return false; |
| 865 | } |
| 866 | |
| 867 | // Read all the test information from the test file into an OptionValueDictionary. |
| 868 | |
| 869 | OptionValueSP data_dictionary_sp (ReadDictionary (test_file, out_stream)); |
| 870 | if (data_dictionary_sp.get() == NULL) |
| 871 | { |
| 872 | out_stream->Printf ("Instruction::TestEmulation: Error reading Dictionary Object.\n"); |
| 873 | fclose (test_file); |
| 874 | return false; |
| 875 | } |
| 876 | |
| 877 | fclose (test_file); |
| 878 | |
Greg Clayton | 84c3966 | 2011-04-27 22:04:39 +0000 | [diff] [blame] | 879 | OptionValueDictionary *data_dictionary = data_dictionary_sp->GetAsDictionary(); |
Caroline Tice | de2fb9c | 2011-04-22 05:08:45 +0000 | [diff] [blame] | 880 | static ConstString description_key ("assembly_string"); |
| 881 | static ConstString triple_key ("triple"); |
| 882 | |
| 883 | OptionValueSP value_sp = data_dictionary->GetValueForKey (description_key); |
| 884 | |
| 885 | if (value_sp.get() == NULL) |
| 886 | { |
| 887 | out_stream->Printf ("Instruction::TestEmulation: Test file does not contain description string.\n"); |
| 888 | return false; |
| 889 | } |
| 890 | |
| 891 | SetDescription (value_sp->GetStringValue()); |
| 892 | |
| 893 | |
| 894 | value_sp = data_dictionary->GetValueForKey (triple_key); |
| 895 | if (value_sp.get() == NULL) |
| 896 | { |
| 897 | out_stream->Printf ("Instruction::TestEmulation: Test file does not contain triple.\n"); |
| 898 | return false; |
| 899 | } |
| 900 | |
| 901 | ArchSpec arch; |
| 902 | arch.SetTriple (llvm::Triple (value_sp->GetStringValue())); |
Caroline Tice | 3ac6711 | 2011-04-19 23:30:03 +0000 | [diff] [blame] | 903 | |
| 904 | bool success = false; |
Greg Clayton | 7b0992d | 2013-04-18 22:45:39 +0000 | [diff] [blame] | 905 | std::unique_ptr<EmulateInstruction> insn_emulator_ap (EmulateInstruction::FindPlugin (arch, eInstructionTypeAny, NULL)); |
Caroline Tice | 3ac6711 | 2011-04-19 23:30:03 +0000 | [diff] [blame] | 906 | if (insn_emulator_ap.get()) |
Caroline Tice | de2fb9c | 2011-04-22 05:08:45 +0000 | [diff] [blame] | 907 | success = insn_emulator_ap->TestEmulation (out_stream, arch, data_dictionary); |
Caroline Tice | 3ac6711 | 2011-04-19 23:30:03 +0000 | [diff] [blame] | 908 | |
Caroline Tice | 3ac6711 | 2011-04-19 23:30:03 +0000 | [diff] [blame] | 909 | if (success) |
Johnny Chen | ea80ba8 | 2011-04-21 20:27:45 +0000 | [diff] [blame] | 910 | out_stream->Printf ("Emulation test succeeded."); |
Caroline Tice | 3ac6711 | 2011-04-19 23:30:03 +0000 | [diff] [blame] | 911 | else |
Johnny Chen | ea80ba8 | 2011-04-21 20:27:45 +0000 | [diff] [blame] | 912 | out_stream->Printf ("Emulation test failed."); |
Caroline Tice | 3ac6711 | 2011-04-19 23:30:03 +0000 | [diff] [blame] | 913 | |
| 914 | return success; |
| 915 | } |
| 916 | |
| 917 | bool |
Caroline Tice | 7c9dd3c | 2011-04-05 23:22:54 +0000 | [diff] [blame] | 918 | Instruction::Emulate (const ArchSpec &arch, |
Greg Clayton | 2ed751b | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 919 | uint32_t evaluate_options, |
Caroline Tice | 7c9dd3c | 2011-04-05 23:22:54 +0000 | [diff] [blame] | 920 | void *baton, |
Greg Clayton | 7349bd9 | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 921 | EmulateInstruction::ReadMemoryCallback read_mem_callback, |
| 922 | EmulateInstruction::WriteMemoryCallback write_mem_callback, |
| 923 | EmulateInstruction::ReadRegisterCallback read_reg_callback, |
| 924 | EmulateInstruction::WriteRegisterCallback write_reg_callback) |
Caroline Tice | 7c9dd3c | 2011-04-05 23:22:54 +0000 | [diff] [blame] | 925 | { |
Greg Clayton | 7b0992d | 2013-04-18 22:45:39 +0000 | [diff] [blame] | 926 | std::unique_ptr<EmulateInstruction> insn_emulator_ap (EmulateInstruction::FindPlugin (arch, eInstructionTypeAny, NULL)); |
Caroline Tice | 7c9dd3c | 2011-04-05 23:22:54 +0000 | [diff] [blame] | 927 | if (insn_emulator_ap.get()) |
| 928 | { |
| 929 | insn_emulator_ap->SetBaton (baton); |
| 930 | insn_emulator_ap->SetCallbacks (read_mem_callback, write_mem_callback, read_reg_callback, write_reg_callback); |
Greg Clayton | 2ed751b | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 931 | insn_emulator_ap->SetInstruction (GetOpcode(), GetAddress(), NULL); |
| 932 | return insn_emulator_ap->EvaluateInstruction (evaluate_options); |
Caroline Tice | 7c9dd3c | 2011-04-05 23:22:54 +0000 | [diff] [blame] | 933 | } |
| 934 | |
| 935 | return false; |
| 936 | } |
| 937 | |
Greg Clayton | ba812f4 | 2012-05-10 02:52:23 +0000 | [diff] [blame] | 938 | |
| 939 | uint32_t |
| 940 | Instruction::GetData (DataExtractor &data) |
| 941 | { |
Sean Callanan | cd4ae1a | 2012-08-07 01:44:58 +0000 | [diff] [blame] | 942 | return m_opcode.GetData(data); |
Greg Clayton | ba812f4 | 2012-05-10 02:52:23 +0000 | [diff] [blame] | 943 | } |
| 944 | |
Greg Clayton | 1d27316 | 2010-10-06 03:09:58 +0000 | [diff] [blame] | 945 | InstructionList::InstructionList() : |
Chris Lattner | 30fdc8d | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 946 | m_instructions() |
| 947 | { |
| 948 | } |
| 949 | |
Greg Clayton | 1d27316 | 2010-10-06 03:09:58 +0000 | [diff] [blame] | 950 | InstructionList::~InstructionList() |
Chris Lattner | 30fdc8d | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 951 | { |
| 952 | } |
| 953 | |
| 954 | size_t |
Greg Clayton | 1d27316 | 2010-10-06 03:09:58 +0000 | [diff] [blame] | 955 | InstructionList::GetSize() const |
Chris Lattner | 30fdc8d | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 956 | { |
| 957 | return m_instructions.size(); |
| 958 | } |
| 959 | |
Greg Clayton | 357132e | 2011-03-26 19:14:58 +0000 | [diff] [blame] | 960 | uint32_t |
| 961 | InstructionList::GetMaxOpcocdeByteSize () const |
| 962 | { |
| 963 | uint32_t max_inst_size = 0; |
| 964 | collection::const_iterator pos, end; |
| 965 | for (pos = m_instructions.begin(), end = m_instructions.end(); |
| 966 | pos != end; |
| 967 | ++pos) |
| 968 | { |
| 969 | uint32_t inst_size = (*pos)->GetOpcode().GetByteSize(); |
| 970 | if (max_inst_size < inst_size) |
| 971 | max_inst_size = inst_size; |
| 972 | } |
| 973 | return max_inst_size; |
| 974 | } |
| 975 | |
| 976 | |
Chris Lattner | 30fdc8d | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 977 | |
Greg Clayton | 1d27316 | 2010-10-06 03:09:58 +0000 | [diff] [blame] | 978 | InstructionSP |
Greg Clayton | c7bece56 | 2013-01-25 18:06:21 +0000 | [diff] [blame] | 979 | InstructionList::GetInstructionAtIndex (size_t idx) const |
Chris Lattner | 30fdc8d | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 980 | { |
Greg Clayton | 1d27316 | 2010-10-06 03:09:58 +0000 | [diff] [blame] | 981 | InstructionSP inst_sp; |
Chris Lattner | 30fdc8d | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 982 | if (idx < m_instructions.size()) |
Greg Clayton | 1d27316 | 2010-10-06 03:09:58 +0000 | [diff] [blame] | 983 | inst_sp = m_instructions[idx]; |
| 984 | return inst_sp; |
Chris Lattner | 30fdc8d | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 985 | } |
| 986 | |
| 987 | void |
Greg Clayton | 5009f9d | 2011-10-27 17:55:14 +0000 | [diff] [blame] | 988 | InstructionList::Dump (Stream *s, |
| 989 | bool show_address, |
| 990 | bool show_bytes, |
| 991 | const ExecutionContext* exe_ctx) |
| 992 | { |
| 993 | const uint32_t max_opcode_byte_size = GetMaxOpcocdeByteSize(); |
| 994 | collection::const_iterator pos, begin, end; |
| 995 | for (begin = m_instructions.begin(), end = m_instructions.end(), pos = begin; |
| 996 | pos != end; |
| 997 | ++pos) |
| 998 | { |
| 999 | if (pos != begin) |
| 1000 | s->EOL(); |
Greg Clayton | ba812f4 | 2012-05-10 02:52:23 +0000 | [diff] [blame] | 1001 | (*pos)->Dump(s, max_opcode_byte_size, show_address, show_bytes, exe_ctx); |
Greg Clayton | 5009f9d | 2011-10-27 17:55:14 +0000 | [diff] [blame] | 1002 | } |
| 1003 | } |
| 1004 | |
| 1005 | |
| 1006 | void |
Greg Clayton | 1d27316 | 2010-10-06 03:09:58 +0000 | [diff] [blame] | 1007 | InstructionList::Clear() |
Chris Lattner | 30fdc8d | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1008 | { |
| 1009 | m_instructions.clear(); |
| 1010 | } |
| 1011 | |
| 1012 | void |
Greg Clayton | 1d27316 | 2010-10-06 03:09:58 +0000 | [diff] [blame] | 1013 | InstructionList::Append (lldb::InstructionSP &inst_sp) |
Chris Lattner | 30fdc8d | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1014 | { |
| 1015 | if (inst_sp) |
| 1016 | m_instructions.push_back(inst_sp); |
| 1017 | } |
| 1018 | |
Jim Ingham | 564d8bc2 | 2012-03-09 04:10:47 +0000 | [diff] [blame] | 1019 | uint32_t |
| 1020 | InstructionList::GetIndexOfNextBranchInstruction(uint32_t start) const |
| 1021 | { |
| 1022 | size_t num_instructions = m_instructions.size(); |
| 1023 | |
| 1024 | uint32_t next_branch = UINT32_MAX; |
| 1025 | for (size_t i = start; i < num_instructions; i++) |
| 1026 | { |
| 1027 | if (m_instructions[i]->DoesBranch()) |
| 1028 | { |
| 1029 | next_branch = i; |
| 1030 | break; |
| 1031 | } |
| 1032 | } |
| 1033 | return next_branch; |
| 1034 | } |
| 1035 | |
| 1036 | uint32_t |
| 1037 | InstructionList::GetIndexOfInstructionAtLoadAddress (lldb::addr_t load_addr, Target &target) |
| 1038 | { |
| 1039 | Address address; |
| 1040 | address.SetLoadAddress(load_addr, &target); |
Greg Clayton | c7bece56 | 2013-01-25 18:06:21 +0000 | [diff] [blame] | 1041 | size_t num_instructions = m_instructions.size(); |
Jim Ingham | 564d8bc2 | 2012-03-09 04:10:47 +0000 | [diff] [blame] | 1042 | uint32_t index = UINT32_MAX; |
Greg Clayton | c7bece56 | 2013-01-25 18:06:21 +0000 | [diff] [blame] | 1043 | for (size_t i = 0; i < num_instructions; i++) |
Jim Ingham | 564d8bc2 | 2012-03-09 04:10:47 +0000 | [diff] [blame] | 1044 | { |
| 1045 | if (m_instructions[i]->GetAddress() == address) |
| 1046 | { |
| 1047 | index = i; |
| 1048 | break; |
| 1049 | } |
| 1050 | } |
| 1051 | return index; |
| 1052 | } |
Chris Lattner | 30fdc8d | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1053 | |
| 1054 | size_t |
Greg Clayton | 3faf47c | 2013-03-28 23:42:53 +0000 | [diff] [blame] | 1055 | Disassembler::ParseInstructions (const ExecutionContext *exe_ctx, |
| 1056 | const AddressRange &range, |
| 1057 | Stream *error_strm_ptr, |
| 1058 | bool prefer_file_cache) |
Chris Lattner | 30fdc8d | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1059 | { |
Greg Clayton | c14ee32 | 2011-09-22 04:58:26 +0000 | [diff] [blame] | 1060 | if (exe_ctx) |
Chris Lattner | 30fdc8d | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1061 | { |
Greg Clayton | c14ee32 | 2011-09-22 04:58:26 +0000 | [diff] [blame] | 1062 | Target *target = exe_ctx->GetTargetPtr(); |
| 1063 | const addr_t byte_size = range.GetByteSize(); |
| 1064 | if (target == NULL || byte_size == 0 || !range.GetBaseAddress().IsValid()) |
| 1065 | return 0; |
Chris Lattner | 30fdc8d | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1066 | |
Greg Clayton | c14ee32 | 2011-09-22 04:58:26 +0000 | [diff] [blame] | 1067 | DataBufferHeap *heap_buffer = new DataBufferHeap (byte_size, '\0'); |
| 1068 | DataBufferSP data_sp(heap_buffer); |
| 1069 | |
| 1070 | Error error; |
Greg Clayton | 3faf47c | 2013-03-28 23:42:53 +0000 | [diff] [blame] | 1071 | lldb::addr_t load_addr = LLDB_INVALID_ADDRESS; |
| 1072 | const size_t bytes_read = target->ReadMemory (range.GetBaseAddress(), |
Greg Clayton | c14ee32 | 2011-09-22 04:58:26 +0000 | [diff] [blame] | 1073 | prefer_file_cache, |
| 1074 | heap_buffer->GetBytes(), |
| 1075 | heap_buffer->GetByteSize(), |
Greg Clayton | 3faf47c | 2013-03-28 23:42:53 +0000 | [diff] [blame] | 1076 | error, |
| 1077 | &load_addr); |
Greg Clayton | c14ee32 | 2011-09-22 04:58:26 +0000 | [diff] [blame] | 1078 | |
| 1079 | if (bytes_read > 0) |
| 1080 | { |
| 1081 | if (bytes_read != heap_buffer->GetByteSize()) |
| 1082 | heap_buffer->SetByteSize (bytes_read); |
| 1083 | DataExtractor data (data_sp, |
| 1084 | m_arch.GetByteOrder(), |
| 1085 | m_arch.GetAddressByteSize()); |
Greg Clayton | 3faf47c | 2013-03-28 23:42:53 +0000 | [diff] [blame] | 1086 | const bool data_from_file = load_addr == LLDB_INVALID_ADDRESS; |
| 1087 | return DecodeInstructions (range.GetBaseAddress(), data, 0, UINT32_MAX, false, data_from_file); |
Greg Clayton | c14ee32 | 2011-09-22 04:58:26 +0000 | [diff] [blame] | 1088 | } |
Greg Clayton | 57f0630 | 2012-05-25 17:05:55 +0000 | [diff] [blame] | 1089 | else if (error_strm_ptr) |
| 1090 | { |
| 1091 | const char *error_cstr = error.AsCString(); |
| 1092 | if (error_cstr) |
| 1093 | { |
| 1094 | error_strm_ptr->Printf("error: %s\n", error_cstr); |
| 1095 | } |
| 1096 | } |
| 1097 | } |
| 1098 | else if (error_strm_ptr) |
| 1099 | { |
| 1100 | error_strm_ptr->PutCString("error: invalid execution context\n"); |
Greg Clayton | c14ee32 | 2011-09-22 04:58:26 +0000 | [diff] [blame] | 1101 | } |
Chris Lattner | 30fdc8d | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1102 | return 0; |
| 1103 | } |
| 1104 | |
Jim Ingham | 37023b0 | 2011-03-22 01:48:42 +0000 | [diff] [blame] | 1105 | size_t |
Greg Clayton | 3faf47c | 2013-03-28 23:42:53 +0000 | [diff] [blame] | 1106 | Disassembler::ParseInstructions (const ExecutionContext *exe_ctx, |
| 1107 | const Address &start, |
| 1108 | uint32_t num_instructions, |
| 1109 | bool prefer_file_cache) |
Jim Ingham | 37023b0 | 2011-03-22 01:48:42 +0000 | [diff] [blame] | 1110 | { |
Greg Clayton | 357132e | 2011-03-26 19:14:58 +0000 | [diff] [blame] | 1111 | m_instruction_list.Clear(); |
| 1112 | |
Greg Clayton | c14ee32 | 2011-09-22 04:58:26 +0000 | [diff] [blame] | 1113 | if (exe_ctx == NULL || num_instructions == 0 || !start.IsValid()) |
Jim Ingham | 37023b0 | 2011-03-22 01:48:42 +0000 | [diff] [blame] | 1114 | return 0; |
| 1115 | |
Greg Clayton | c14ee32 | 2011-09-22 04:58:26 +0000 | [diff] [blame] | 1116 | Target *target = exe_ctx->GetTargetPtr(); |
Greg Clayton | 357132e | 2011-03-26 19:14:58 +0000 | [diff] [blame] | 1117 | // Calculate the max buffer size we will need in order to disassemble |
| 1118 | const addr_t byte_size = num_instructions * m_arch.GetMaximumOpcodeByteSize(); |
Jim Ingham | 37023b0 | 2011-03-22 01:48:42 +0000 | [diff] [blame] | 1119 | |
Greg Clayton | 357132e | 2011-03-26 19:14:58 +0000 | [diff] [blame] | 1120 | if (target == NULL || byte_size == 0) |
Jim Ingham | 37023b0 | 2011-03-22 01:48:42 +0000 | [diff] [blame] | 1121 | return 0; |
| 1122 | |
| 1123 | DataBufferHeap *heap_buffer = new DataBufferHeap (byte_size, '\0'); |
Greg Clayton | 357132e | 2011-03-26 19:14:58 +0000 | [diff] [blame] | 1124 | DataBufferSP data_sp (heap_buffer); |
Jim Ingham | 37023b0 | 2011-03-22 01:48:42 +0000 | [diff] [blame] | 1125 | |
| 1126 | Error error; |
Greg Clayton | 3faf47c | 2013-03-28 23:42:53 +0000 | [diff] [blame] | 1127 | lldb::addr_t load_addr = LLDB_INVALID_ADDRESS; |
| 1128 | const size_t bytes_read = target->ReadMemory (start, |
Greg Clayton | 357132e | 2011-03-26 19:14:58 +0000 | [diff] [blame] | 1129 | prefer_file_cache, |
| 1130 | heap_buffer->GetBytes(), |
| 1131 | byte_size, |
Greg Clayton | 3faf47c | 2013-03-28 23:42:53 +0000 | [diff] [blame] | 1132 | error, |
| 1133 | &load_addr); |
| 1134 | |
| 1135 | const bool data_from_file = load_addr == LLDB_INVALID_ADDRESS; |
Greg Clayton | 357132e | 2011-03-26 19:14:58 +0000 | [diff] [blame] | 1136 | |
| 1137 | if (bytes_read == 0) |
| 1138 | return 0; |
| 1139 | DataExtractor data (data_sp, |
| 1140 | m_arch.GetByteOrder(), |
| 1141 | m_arch.GetAddressByteSize()); |
| 1142 | |
| 1143 | const bool append_instructions = true; |
| 1144 | DecodeInstructions (start, |
| 1145 | data, |
| 1146 | 0, |
| 1147 | num_instructions, |
Greg Clayton | 3faf47c | 2013-03-28 23:42:53 +0000 | [diff] [blame] | 1148 | append_instructions, |
| 1149 | data_from_file); |
Greg Clayton | 357132e | 2011-03-26 19:14:58 +0000 | [diff] [blame] | 1150 | |
Jim Ingham | 37023b0 | 2011-03-22 01:48:42 +0000 | [diff] [blame] | 1151 | return m_instruction_list.GetSize(); |
| 1152 | } |
| 1153 | |
Chris Lattner | 30fdc8d | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1154 | //---------------------------------------------------------------------- |
| 1155 | // Disassembler copy constructor |
| 1156 | //---------------------------------------------------------------------- |
Jim Ingham | 0f063ba | 2013-03-02 00:26:47 +0000 | [diff] [blame] | 1157 | Disassembler::Disassembler(const ArchSpec& arch, const char *flavor) : |
Chris Lattner | 30fdc8d | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1158 | m_arch (arch), |
| 1159 | m_instruction_list(), |
Jim Ingham | 0f063ba | 2013-03-02 00:26:47 +0000 | [diff] [blame] | 1160 | m_base_addr(LLDB_INVALID_ADDRESS), |
| 1161 | m_flavor () |
Chris Lattner | 30fdc8d | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1162 | { |
Jim Ingham | 0f063ba | 2013-03-02 00:26:47 +0000 | [diff] [blame] | 1163 | if (flavor == NULL) |
| 1164 | m_flavor.assign("default"); |
| 1165 | else |
| 1166 | m_flavor.assign(flavor); |
Chris Lattner | 30fdc8d | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1167 | } |
| 1168 | |
| 1169 | //---------------------------------------------------------------------- |
| 1170 | // Destructor |
| 1171 | //---------------------------------------------------------------------- |
| 1172 | Disassembler::~Disassembler() |
| 1173 | { |
| 1174 | } |
| 1175 | |
Greg Clayton | 1d27316 | 2010-10-06 03:09:58 +0000 | [diff] [blame] | 1176 | InstructionList & |
Chris Lattner | 30fdc8d | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1177 | Disassembler::GetInstructionList () |
| 1178 | { |
| 1179 | return m_instruction_list; |
| 1180 | } |
| 1181 | |
Greg Clayton | 1d27316 | 2010-10-06 03:09:58 +0000 | [diff] [blame] | 1182 | const InstructionList & |
Chris Lattner | 30fdc8d | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1183 | Disassembler::GetInstructionList () const |
| 1184 | { |
| 1185 | return m_instruction_list; |
| 1186 | } |
Caroline Tice | 3ac6711 | 2011-04-19 23:30:03 +0000 | [diff] [blame] | 1187 | |
| 1188 | //---------------------------------------------------------------------- |
| 1189 | // Class PseudoInstruction |
| 1190 | //---------------------------------------------------------------------- |
| 1191 | PseudoInstruction::PseudoInstruction () : |
| 1192 | Instruction (Address(), eAddressClassUnknown), |
| 1193 | m_description () |
| 1194 | { |
| 1195 | } |
| 1196 | |
| 1197 | PseudoInstruction::~PseudoInstruction () |
| 1198 | { |
| 1199 | } |
| 1200 | |
Caroline Tice | 3ac6711 | 2011-04-19 23:30:03 +0000 | [diff] [blame] | 1201 | bool |
Jim Ingham | 32ce20c | 2013-03-13 01:55:16 +0000 | [diff] [blame] | 1202 | PseudoInstruction::DoesBranch () |
Caroline Tice | 3ac6711 | 2011-04-19 23:30:03 +0000 | [diff] [blame] | 1203 | { |
| 1204 | // This is NOT a valid question for a pseudo instruction. |
| 1205 | return false; |
| 1206 | } |
| 1207 | |
| 1208 | size_t |
| 1209 | PseudoInstruction::Decode (const lldb_private::Disassembler &disassembler, |
| 1210 | const lldb_private::DataExtractor &data, |
Greg Clayton | c7bece56 | 2013-01-25 18:06:21 +0000 | [diff] [blame] | 1211 | lldb::offset_t data_offset) |
Caroline Tice | 3ac6711 | 2011-04-19 23:30:03 +0000 | [diff] [blame] | 1212 | { |
| 1213 | return m_opcode.GetByteSize(); |
| 1214 | } |
| 1215 | |
| 1216 | |
| 1217 | void |
| 1218 | PseudoInstruction::SetOpcode (size_t opcode_size, void *opcode_data) |
| 1219 | { |
| 1220 | if (!opcode_data) |
| 1221 | return; |
| 1222 | |
| 1223 | switch (opcode_size) |
| 1224 | { |
| 1225 | case 8: |
| 1226 | { |
| 1227 | uint8_t value8 = *((uint8_t *) opcode_data); |
| 1228 | m_opcode.SetOpcode8 (value8); |
| 1229 | break; |
| 1230 | } |
| 1231 | case 16: |
| 1232 | { |
| 1233 | uint16_t value16 = *((uint16_t *) opcode_data); |
| 1234 | m_opcode.SetOpcode16 (value16); |
| 1235 | break; |
| 1236 | } |
| 1237 | case 32: |
| 1238 | { |
| 1239 | uint32_t value32 = *((uint32_t *) opcode_data); |
| 1240 | m_opcode.SetOpcode32 (value32); |
| 1241 | break; |
| 1242 | } |
| 1243 | case 64: |
| 1244 | { |
| 1245 | uint64_t value64 = *((uint64_t *) opcode_data); |
| 1246 | m_opcode.SetOpcode64 (value64); |
| 1247 | break; |
| 1248 | } |
| 1249 | default: |
| 1250 | break; |
| 1251 | } |
| 1252 | } |
| 1253 | |
| 1254 | void |
| 1255 | PseudoInstruction::SetDescription (const char *description) |
| 1256 | { |
| 1257 | if (description && strlen (description) > 0) |
| 1258 | m_description = description; |
| 1259 | } |