Thu, 21 Oct 2010 11:55:10 -0700
6970683: improvements to hs_err output
Reviewed-by: kvn, jrose, dholmes, coleenp
duke@435 | 1 | /* |
twisti@2103 | 2 | * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved. |
duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@435 | 4 | * |
duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
duke@435 | 7 | * published by the Free Software Foundation. |
duke@435 | 8 | * |
duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
duke@435 | 13 | * accompanied this code). |
duke@435 | 14 | * |
duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@435 | 18 | * |
trims@1907 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
trims@1907 | 20 | * or visit www.oracle.com if you need additional information or have any |
trims@1907 | 21 | * questions. |
duke@435 | 22 | * |
duke@435 | 23 | */ |
duke@435 | 24 | |
duke@435 | 25 | // do not include precompiled header file |
duke@435 | 26 | # include "incls/_os_windows_x86.cpp.incl" |
duke@435 | 27 | # include "unwind_windows_x86.hpp" |
duke@435 | 28 | #undef REG_SP |
duke@435 | 29 | #undef REG_FP |
duke@435 | 30 | #undef REG_PC |
duke@435 | 31 | #ifdef AMD64 |
duke@435 | 32 | #define REG_SP Rsp |
duke@435 | 33 | #define REG_FP Rbp |
duke@435 | 34 | #define REG_PC Rip |
duke@435 | 35 | #else |
duke@435 | 36 | #define REG_SP Esp |
duke@435 | 37 | #define REG_FP Ebp |
duke@435 | 38 | #define REG_PC Eip |
duke@435 | 39 | #endif // AMD64 |
duke@435 | 40 | |
duke@435 | 41 | extern LONG WINAPI topLevelExceptionFilter(_EXCEPTION_POINTERS* ); |
duke@435 | 42 | |
duke@435 | 43 | // Install a win32 structured exception handler around thread. |
duke@435 | 44 | void os::os_exception_wrapper(java_call_t f, JavaValue* value, methodHandle* method, JavaCallArguments* args, Thread* thread) { |
duke@435 | 45 | __try { |
duke@435 | 46 | |
duke@435 | 47 | #ifndef AMD64 |
duke@435 | 48 | // We store the current thread in this wrapperthread location |
duke@435 | 49 | // and determine how far away this address is from the structured |
duke@435 | 50 | // execption pointer that FS:[0] points to. This get_thread |
duke@435 | 51 | // code can then get the thread pointer via FS. |
duke@435 | 52 | // |
duke@435 | 53 | // Warning: This routine must NEVER be inlined since we'd end up with |
duke@435 | 54 | // multiple offsets. |
duke@435 | 55 | // |
duke@435 | 56 | volatile Thread* wrapperthread = thread; |
duke@435 | 57 | |
duke@435 | 58 | if ( ThreadLocalStorage::get_thread_ptr_offset() == 0 ) { |
duke@435 | 59 | int thread_ptr_offset; |
duke@435 | 60 | __asm { |
duke@435 | 61 | lea eax, dword ptr wrapperthread; |
duke@435 | 62 | sub eax, dword ptr FS:[0H]; |
duke@435 | 63 | mov thread_ptr_offset, eax |
duke@435 | 64 | }; |
duke@435 | 65 | ThreadLocalStorage::set_thread_ptr_offset(thread_ptr_offset); |
duke@435 | 66 | } |
duke@435 | 67 | #ifdef ASSERT |
duke@435 | 68 | // Verify that the offset hasn't changed since we initally captured |
duke@435 | 69 | // it. This might happen if we accidentally ended up with an |
duke@435 | 70 | // inlined version of this routine. |
duke@435 | 71 | else { |
duke@435 | 72 | int test_thread_ptr_offset; |
duke@435 | 73 | __asm { |
duke@435 | 74 | lea eax, dword ptr wrapperthread; |
duke@435 | 75 | sub eax, dword ptr FS:[0H]; |
duke@435 | 76 | mov test_thread_ptr_offset, eax |
duke@435 | 77 | }; |
duke@435 | 78 | assert(test_thread_ptr_offset == ThreadLocalStorage::get_thread_ptr_offset(), |
duke@435 | 79 | "thread pointer offset from SEH changed"); |
duke@435 | 80 | } |
duke@435 | 81 | #endif // ASSERT |
duke@435 | 82 | #endif // !AMD64 |
duke@435 | 83 | |
duke@435 | 84 | f(value, method, args, thread); |
duke@435 | 85 | } __except(topLevelExceptionFilter((_EXCEPTION_POINTERS*)_exception_info())) { |
duke@435 | 86 | // Nothing to do. |
duke@435 | 87 | } |
duke@435 | 88 | } |
duke@435 | 89 | |
duke@435 | 90 | #ifdef AMD64 |
duke@435 | 91 | |
duke@435 | 92 | // This is the language specific handler for exceptions |
duke@435 | 93 | // originating from dynamically generated code. |
duke@435 | 94 | // We call the standard structured exception handler |
duke@435 | 95 | // We only expect Continued Execution since we cannot unwind |
duke@435 | 96 | // from generated code. |
duke@435 | 97 | LONG HandleExceptionFromCodeCache( |
duke@435 | 98 | IN PEXCEPTION_RECORD ExceptionRecord, |
duke@435 | 99 | IN ULONG64 EstablisherFrame, |
duke@435 | 100 | IN OUT PCONTEXT ContextRecord, |
duke@435 | 101 | IN OUT PDISPATCHER_CONTEXT DispatcherContext) { |
duke@435 | 102 | EXCEPTION_POINTERS ep; |
duke@435 | 103 | LONG result; |
duke@435 | 104 | |
duke@435 | 105 | ep.ExceptionRecord = ExceptionRecord; |
duke@435 | 106 | ep.ContextRecord = ContextRecord; |
duke@435 | 107 | |
duke@435 | 108 | result = topLevelExceptionFilter(&ep); |
duke@435 | 109 | |
duke@435 | 110 | // We better only get a CONTINUE_EXECUTION from our handler |
duke@435 | 111 | // since we don't have unwind information registered. |
duke@435 | 112 | |
duke@435 | 113 | guarantee( result == EXCEPTION_CONTINUE_EXECUTION, |
duke@435 | 114 | "Unexpected result from topLevelExceptionFilter"); |
duke@435 | 115 | |
duke@435 | 116 | return(ExceptionContinueExecution); |
duke@435 | 117 | } |
duke@435 | 118 | |
duke@435 | 119 | |
duke@435 | 120 | // Structure containing the Windows Data Structures required |
duke@435 | 121 | // to register our Code Cache exception handler. |
duke@435 | 122 | // We put these in the CodeCache since the API requires |
duke@435 | 123 | // all addresses in these structures are relative to the Code |
duke@435 | 124 | // area registered with RtlAddFunctionTable. |
duke@435 | 125 | typedef struct { |
duke@435 | 126 | char ExceptionHandlerInstr[16]; // jmp HandleExceptionFromCodeCache |
duke@435 | 127 | RUNTIME_FUNCTION rt; |
duke@435 | 128 | UNWIND_INFO_EH_ONLY unw; |
duke@435 | 129 | } DynamicCodeData, *pDynamicCodeData; |
duke@435 | 130 | |
duke@435 | 131 | #endif // AMD64 |
duke@435 | 132 | // |
duke@435 | 133 | // Register our CodeCache area with the OS so it will dispatch exceptions |
duke@435 | 134 | // to our topLevelExceptionFilter when we take an exception in our |
duke@435 | 135 | // dynamically generated code. |
duke@435 | 136 | // |
duke@435 | 137 | // Arguments: low and high are the address of the full reserved |
duke@435 | 138 | // codeCache area |
duke@435 | 139 | // |
duke@435 | 140 | bool os::register_code_area(char *low, char *high) { |
duke@435 | 141 | #ifdef AMD64 |
duke@435 | 142 | |
duke@435 | 143 | ResourceMark rm; |
duke@435 | 144 | |
duke@435 | 145 | pDynamicCodeData pDCD; |
duke@435 | 146 | PRUNTIME_FUNCTION prt; |
duke@435 | 147 | PUNWIND_INFO_EH_ONLY punwind; |
duke@435 | 148 | |
duke@435 | 149 | // If we are using Vectored Exceptions we don't need this registration |
duke@435 | 150 | if (UseVectoredExceptions) return true; |
duke@435 | 151 | |
twisti@2103 | 152 | BufferBlob* blob = BufferBlob::create("CodeCache Exception Handler", sizeof(DynamicCodeData)); |
twisti@2103 | 153 | CodeBuffer cb(blob); |
duke@435 | 154 | MacroAssembler* masm = new MacroAssembler(&cb); |
duke@435 | 155 | pDCD = (pDynamicCodeData) masm->pc(); |
duke@435 | 156 | |
duke@435 | 157 | masm->jump(ExternalAddress((address)&HandleExceptionFromCodeCache)); |
duke@435 | 158 | masm->flush(); |
duke@435 | 159 | |
duke@435 | 160 | // Create an Unwind Structure specifying no unwind info |
duke@435 | 161 | // other than an Exception Handler |
duke@435 | 162 | punwind = &pDCD->unw; |
duke@435 | 163 | punwind->Version = 1; |
duke@435 | 164 | punwind->Flags = UNW_FLAG_EHANDLER; |
duke@435 | 165 | punwind->SizeOfProlog = 0; |
duke@435 | 166 | punwind->CountOfCodes = 0; |
duke@435 | 167 | punwind->FrameRegister = 0; |
duke@435 | 168 | punwind->FrameOffset = 0; |
duke@435 | 169 | punwind->ExceptionHandler = (char *)(&(pDCD->ExceptionHandlerInstr[0])) - |
duke@435 | 170 | (char*)low; |
duke@435 | 171 | punwind->ExceptionData[0] = 0; |
duke@435 | 172 | |
duke@435 | 173 | // This structure describes the covered dynamic code area. |
duke@435 | 174 | // Addresses are relative to the beginning on the code cache area |
duke@435 | 175 | prt = &pDCD->rt; |
duke@435 | 176 | prt->BeginAddress = 0; |
duke@435 | 177 | prt->EndAddress = (ULONG)(high - low); |
duke@435 | 178 | prt->UnwindData = ((char *)punwind - low); |
duke@435 | 179 | |
duke@435 | 180 | guarantee(RtlAddFunctionTable(prt, 1, (ULONGLONG)low), |
duke@435 | 181 | "Failed to register Dynamic Code Exception Handler with RtlAddFunctionTable"); |
duke@435 | 182 | |
duke@435 | 183 | #endif // AMD64 |
duke@435 | 184 | return true; |
duke@435 | 185 | } |
duke@435 | 186 | |
duke@435 | 187 | void os::initialize_thread() { |
duke@435 | 188 | // Nothing to do. |
duke@435 | 189 | } |
duke@435 | 190 | |
duke@435 | 191 | // Atomics and Stub Functions |
duke@435 | 192 | |
duke@435 | 193 | typedef jint xchg_func_t (jint, volatile jint*); |
duke@435 | 194 | typedef intptr_t xchg_ptr_func_t (intptr_t, volatile intptr_t*); |
duke@435 | 195 | typedef jint cmpxchg_func_t (jint, volatile jint*, jint); |
duke@435 | 196 | typedef jlong cmpxchg_long_func_t (jlong, volatile jlong*, jlong); |
duke@435 | 197 | typedef jint add_func_t (jint, volatile jint*); |
duke@435 | 198 | typedef intptr_t add_ptr_func_t (intptr_t, volatile intptr_t*); |
duke@435 | 199 | |
duke@435 | 200 | #ifdef AMD64 |
duke@435 | 201 | |
duke@435 | 202 | jint os::atomic_xchg_bootstrap(jint exchange_value, volatile jint* dest) { |
duke@435 | 203 | // try to use the stub: |
duke@435 | 204 | xchg_func_t* func = CAST_TO_FN_PTR(xchg_func_t*, StubRoutines::atomic_xchg_entry()); |
duke@435 | 205 | |
duke@435 | 206 | if (func != NULL) { |
duke@435 | 207 | os::atomic_xchg_func = func; |
duke@435 | 208 | return (*func)(exchange_value, dest); |
duke@435 | 209 | } |
duke@435 | 210 | assert(Threads::number_of_threads() == 0, "for bootstrap only"); |
duke@435 | 211 | |
duke@435 | 212 | jint old_value = *dest; |
duke@435 | 213 | *dest = exchange_value; |
duke@435 | 214 | return old_value; |
duke@435 | 215 | } |
duke@435 | 216 | |
duke@435 | 217 | intptr_t os::atomic_xchg_ptr_bootstrap(intptr_t exchange_value, volatile intptr_t* dest) { |
duke@435 | 218 | // try to use the stub: |
duke@435 | 219 | xchg_ptr_func_t* func = CAST_TO_FN_PTR(xchg_ptr_func_t*, StubRoutines::atomic_xchg_ptr_entry()); |
duke@435 | 220 | |
duke@435 | 221 | if (func != NULL) { |
duke@435 | 222 | os::atomic_xchg_ptr_func = func; |
duke@435 | 223 | return (*func)(exchange_value, dest); |
duke@435 | 224 | } |
duke@435 | 225 | assert(Threads::number_of_threads() == 0, "for bootstrap only"); |
duke@435 | 226 | |
duke@435 | 227 | intptr_t old_value = *dest; |
duke@435 | 228 | *dest = exchange_value; |
duke@435 | 229 | return old_value; |
duke@435 | 230 | } |
duke@435 | 231 | |
duke@435 | 232 | |
duke@435 | 233 | jint os::atomic_cmpxchg_bootstrap(jint exchange_value, volatile jint* dest, jint compare_value) { |
duke@435 | 234 | // try to use the stub: |
duke@435 | 235 | cmpxchg_func_t* func = CAST_TO_FN_PTR(cmpxchg_func_t*, StubRoutines::atomic_cmpxchg_entry()); |
duke@435 | 236 | |
duke@435 | 237 | if (func != NULL) { |
duke@435 | 238 | os::atomic_cmpxchg_func = func; |
duke@435 | 239 | return (*func)(exchange_value, dest, compare_value); |
duke@435 | 240 | } |
duke@435 | 241 | assert(Threads::number_of_threads() == 0, "for bootstrap only"); |
duke@435 | 242 | |
duke@435 | 243 | jint old_value = *dest; |
duke@435 | 244 | if (old_value == compare_value) |
duke@435 | 245 | *dest = exchange_value; |
duke@435 | 246 | return old_value; |
duke@435 | 247 | } |
duke@435 | 248 | #endif // AMD64 |
duke@435 | 249 | |
duke@435 | 250 | jlong os::atomic_cmpxchg_long_bootstrap(jlong exchange_value, volatile jlong* dest, jlong compare_value) { |
duke@435 | 251 | // try to use the stub: |
duke@435 | 252 | cmpxchg_long_func_t* func = CAST_TO_FN_PTR(cmpxchg_long_func_t*, StubRoutines::atomic_cmpxchg_long_entry()); |
duke@435 | 253 | |
duke@435 | 254 | if (func != NULL) { |
duke@435 | 255 | os::atomic_cmpxchg_long_func = func; |
duke@435 | 256 | return (*func)(exchange_value, dest, compare_value); |
duke@435 | 257 | } |
duke@435 | 258 | assert(Threads::number_of_threads() == 0, "for bootstrap only"); |
duke@435 | 259 | |
duke@435 | 260 | jlong old_value = *dest; |
duke@435 | 261 | if (old_value == compare_value) |
duke@435 | 262 | *dest = exchange_value; |
duke@435 | 263 | return old_value; |
duke@435 | 264 | } |
duke@435 | 265 | |
duke@435 | 266 | #ifdef AMD64 |
duke@435 | 267 | |
duke@435 | 268 | jint os::atomic_add_bootstrap(jint add_value, volatile jint* dest) { |
duke@435 | 269 | // try to use the stub: |
duke@435 | 270 | add_func_t* func = CAST_TO_FN_PTR(add_func_t*, StubRoutines::atomic_add_entry()); |
duke@435 | 271 | |
duke@435 | 272 | if (func != NULL) { |
duke@435 | 273 | os::atomic_add_func = func; |
duke@435 | 274 | return (*func)(add_value, dest); |
duke@435 | 275 | } |
duke@435 | 276 | assert(Threads::number_of_threads() == 0, "for bootstrap only"); |
duke@435 | 277 | |
duke@435 | 278 | return (*dest) += add_value; |
duke@435 | 279 | } |
duke@435 | 280 | |
duke@435 | 281 | intptr_t os::atomic_add_ptr_bootstrap(intptr_t add_value, volatile intptr_t* dest) { |
duke@435 | 282 | // try to use the stub: |
duke@435 | 283 | add_ptr_func_t* func = CAST_TO_FN_PTR(add_ptr_func_t*, StubRoutines::atomic_add_ptr_entry()); |
duke@435 | 284 | |
duke@435 | 285 | if (func != NULL) { |
duke@435 | 286 | os::atomic_add_ptr_func = func; |
duke@435 | 287 | return (*func)(add_value, dest); |
duke@435 | 288 | } |
duke@435 | 289 | assert(Threads::number_of_threads() == 0, "for bootstrap only"); |
duke@435 | 290 | |
duke@435 | 291 | return (*dest) += add_value; |
duke@435 | 292 | } |
duke@435 | 293 | |
duke@435 | 294 | xchg_func_t* os::atomic_xchg_func = os::atomic_xchg_bootstrap; |
duke@435 | 295 | xchg_ptr_func_t* os::atomic_xchg_ptr_func = os::atomic_xchg_ptr_bootstrap; |
duke@435 | 296 | cmpxchg_func_t* os::atomic_cmpxchg_func = os::atomic_cmpxchg_bootstrap; |
duke@435 | 297 | add_func_t* os::atomic_add_func = os::atomic_add_bootstrap; |
duke@435 | 298 | add_ptr_func_t* os::atomic_add_ptr_func = os::atomic_add_ptr_bootstrap; |
duke@435 | 299 | |
duke@435 | 300 | #endif // AMD64 |
duke@435 | 301 | |
duke@435 | 302 | cmpxchg_long_func_t* os::atomic_cmpxchg_long_func = os::atomic_cmpxchg_long_bootstrap; |
duke@435 | 303 | |
duke@435 | 304 | ExtendedPC os::fetch_frame_from_context(void* ucVoid, |
duke@435 | 305 | intptr_t** ret_sp, intptr_t** ret_fp) { |
duke@435 | 306 | |
duke@435 | 307 | ExtendedPC epc; |
duke@435 | 308 | CONTEXT* uc = (CONTEXT*)ucVoid; |
duke@435 | 309 | |
duke@435 | 310 | if (uc != NULL) { |
duke@435 | 311 | epc = ExtendedPC((address)uc->REG_PC); |
duke@435 | 312 | if (ret_sp) *ret_sp = (intptr_t*)uc->REG_SP; |
duke@435 | 313 | if (ret_fp) *ret_fp = (intptr_t*)uc->REG_FP; |
duke@435 | 314 | } else { |
duke@435 | 315 | // construct empty ExtendedPC for return value checking |
duke@435 | 316 | epc = ExtendedPC(NULL); |
duke@435 | 317 | if (ret_sp) *ret_sp = (intptr_t *)NULL; |
duke@435 | 318 | if (ret_fp) *ret_fp = (intptr_t *)NULL; |
duke@435 | 319 | } |
duke@435 | 320 | |
duke@435 | 321 | return epc; |
duke@435 | 322 | } |
duke@435 | 323 | |
duke@435 | 324 | frame os::fetch_frame_from_context(void* ucVoid) { |
duke@435 | 325 | intptr_t* sp; |
duke@435 | 326 | intptr_t* fp; |
duke@435 | 327 | ExtendedPC epc = fetch_frame_from_context(ucVoid, &sp, &fp); |
duke@435 | 328 | return frame(sp, fp, epc.pc()); |
duke@435 | 329 | } |
duke@435 | 330 | |
duke@435 | 331 | // VC++ does not save frame pointer on stack in optimized build. It |
duke@435 | 332 | // can be turned off by /Oy-. If we really want to walk C frames, |
duke@435 | 333 | // we can use the StackWalk() API. |
duke@435 | 334 | frame os::get_sender_for_C_frame(frame* fr) { |
duke@435 | 335 | return frame(fr->sender_sp(), fr->link(), fr->sender_pc()); |
duke@435 | 336 | } |
duke@435 | 337 | |
duke@435 | 338 | |
duke@435 | 339 | #ifndef AMD64 |
duke@435 | 340 | intptr_t* _get_previous_fp() { |
duke@435 | 341 | intptr_t **frameptr; |
duke@435 | 342 | __asm { |
duke@435 | 343 | mov frameptr, ebp |
duke@435 | 344 | }; |
duke@435 | 345 | return *frameptr; |
duke@435 | 346 | } |
duke@435 | 347 | #endif // !AMD64 |
duke@435 | 348 | |
duke@435 | 349 | frame os::current_frame() { |
duke@435 | 350 | |
duke@435 | 351 | #ifdef AMD64 |
duke@435 | 352 | // apparently _asm not supported on windows amd64 |
duke@435 | 353 | typedef intptr_t* get_fp_func (); |
duke@435 | 354 | get_fp_func* func = CAST_TO_FN_PTR(get_fp_func*, |
never@739 | 355 | StubRoutines::x86::get_previous_fp_entry()); |
duke@435 | 356 | if (func == NULL) return frame(NULL, NULL, NULL); |
duke@435 | 357 | intptr_t* fp = (*func)(); |
duke@435 | 358 | #else |
duke@435 | 359 | intptr_t* fp = _get_previous_fp(); |
duke@435 | 360 | #endif // AMD64 |
duke@435 | 361 | |
duke@435 | 362 | frame myframe((intptr_t*)os::current_stack_pointer(), |
duke@435 | 363 | (intptr_t*)fp, |
duke@435 | 364 | CAST_FROM_FN_PTR(address, os::current_frame)); |
duke@435 | 365 | if (os::is_first_C_frame(&myframe)) { |
duke@435 | 366 | // stack is not walkable |
duke@435 | 367 | return frame(NULL, NULL, NULL); |
duke@435 | 368 | } else { |
duke@435 | 369 | return os::get_sender_for_C_frame(&myframe); |
duke@435 | 370 | } |
duke@435 | 371 | } |
duke@435 | 372 | |
duke@435 | 373 | void os::print_context(outputStream *st, void *context) { |
duke@435 | 374 | if (context == NULL) return; |
duke@435 | 375 | |
duke@435 | 376 | CONTEXT* uc = (CONTEXT*)context; |
duke@435 | 377 | |
duke@435 | 378 | st->print_cr("Registers:"); |
duke@435 | 379 | #ifdef AMD64 |
bobv@2036 | 380 | st->print( "RAX=" INTPTR_FORMAT, uc->Rax); |
bobv@2036 | 381 | st->print(", RBX=" INTPTR_FORMAT, uc->Rbx); |
bobv@2036 | 382 | st->print(", RCX=" INTPTR_FORMAT, uc->Rcx); |
bobv@2036 | 383 | st->print(", RDX=" INTPTR_FORMAT, uc->Rdx); |
duke@435 | 384 | st->cr(); |
bobv@2036 | 385 | st->print( "RSP=" INTPTR_FORMAT, uc->Rsp); |
bobv@2036 | 386 | st->print(", RBP=" INTPTR_FORMAT, uc->Rbp); |
bobv@2036 | 387 | st->print(", RSI=" INTPTR_FORMAT, uc->Rsi); |
bobv@2036 | 388 | st->print(", RDI=" INTPTR_FORMAT, uc->Rdi); |
duke@435 | 389 | st->cr(); |
never@2262 | 390 | st->print( "R8 =" INTPTR_FORMAT, uc->R8); |
never@2262 | 391 | st->print(", R9 =" INTPTR_FORMAT, uc->R9); |
bobv@2036 | 392 | st->print(", R10=" INTPTR_FORMAT, uc->R10); |
bobv@2036 | 393 | st->print(", R11=" INTPTR_FORMAT, uc->R11); |
bobv@2036 | 394 | st->cr(); |
bobv@2036 | 395 | st->print( "R12=" INTPTR_FORMAT, uc->R12); |
bobv@2036 | 396 | st->print(", R13=" INTPTR_FORMAT, uc->R13); |
bobv@2036 | 397 | st->print(", R14=" INTPTR_FORMAT, uc->R14); |
bobv@2036 | 398 | st->print(", R15=" INTPTR_FORMAT, uc->R15); |
bobv@2036 | 399 | st->cr(); |
bobv@2036 | 400 | st->print( "RIP=" INTPTR_FORMAT, uc->Rip); |
duke@435 | 401 | st->print(", EFLAGS=" INTPTR_FORMAT, uc->EFlags); |
duke@435 | 402 | #else |
duke@435 | 403 | st->print( "EAX=" INTPTR_FORMAT, uc->Eax); |
duke@435 | 404 | st->print(", EBX=" INTPTR_FORMAT, uc->Ebx); |
duke@435 | 405 | st->print(", ECX=" INTPTR_FORMAT, uc->Ecx); |
duke@435 | 406 | st->print(", EDX=" INTPTR_FORMAT, uc->Edx); |
duke@435 | 407 | st->cr(); |
duke@435 | 408 | st->print( "ESP=" INTPTR_FORMAT, uc->Esp); |
duke@435 | 409 | st->print(", EBP=" INTPTR_FORMAT, uc->Ebp); |
duke@435 | 410 | st->print(", ESI=" INTPTR_FORMAT, uc->Esi); |
duke@435 | 411 | st->print(", EDI=" INTPTR_FORMAT, uc->Edi); |
duke@435 | 412 | st->cr(); |
duke@435 | 413 | st->print( "EIP=" INTPTR_FORMAT, uc->Eip); |
duke@435 | 414 | st->print(", EFLAGS=" INTPTR_FORMAT, uc->EFlags); |
duke@435 | 415 | #endif // AMD64 |
duke@435 | 416 | st->cr(); |
duke@435 | 417 | st->cr(); |
duke@435 | 418 | |
duke@435 | 419 | intptr_t *sp = (intptr_t *)uc->REG_SP; |
duke@435 | 420 | st->print_cr("Top of Stack: (sp=" PTR_FORMAT ")", sp); |
duke@435 | 421 | print_hex_dump(st, (address)sp, (address)(sp + 32), sizeof(intptr_t)); |
duke@435 | 422 | st->cr(); |
duke@435 | 423 | |
duke@435 | 424 | // Note: it may be unsafe to inspect memory near pc. For example, pc may |
duke@435 | 425 | // point to garbage if entry point in an nmethod is corrupted. Leave |
duke@435 | 426 | // this at the end, and hope for the best. |
duke@435 | 427 | address pc = (address)uc->REG_PC; |
duke@435 | 428 | st->print_cr("Instructions: (pc=" PTR_FORMAT ")", pc); |
never@2262 | 429 | print_hex_dump(st, pc - 32, pc + 32, sizeof(char)); |
never@2262 | 430 | st->cr(); |
never@2262 | 431 | } |
never@2262 | 432 | |
never@2262 | 433 | |
never@2262 | 434 | void os::print_register_info(outputStream *st, void *context) { |
never@2262 | 435 | if (context == NULL) return; |
never@2262 | 436 | |
never@2262 | 437 | CONTEXT* uc = (CONTEXT*)context; |
never@2262 | 438 | |
never@2262 | 439 | st->print_cr("Register to memory mapping:"); |
never@2262 | 440 | st->cr(); |
never@2262 | 441 | |
never@2262 | 442 | // this is only for the "general purpose" registers |
never@2262 | 443 | |
never@2262 | 444 | #ifdef AMD64 |
never@2262 | 445 | st->print("RAX="); print_location(st, uc->Rax); |
never@2262 | 446 | st->print("RBX="); print_location(st, uc->Rbx); |
never@2262 | 447 | st->print("RCX="); print_location(st, uc->Rcx); |
never@2262 | 448 | st->print("RDX="); print_location(st, uc->Rdx); |
never@2262 | 449 | st->print("RSP="); print_location(st, uc->Rsp); |
never@2262 | 450 | st->print("RBP="); print_location(st, uc->Rbp); |
never@2262 | 451 | st->print("RSI="); print_location(st, uc->Rsi); |
never@2262 | 452 | st->print("RDI="); print_location(st, uc->Rdi); |
never@2262 | 453 | st->print("R8 ="); print_location(st, uc->R8); |
never@2262 | 454 | st->print("R9 ="); print_location(st, uc->R9); |
never@2262 | 455 | st->print("R10="); print_location(st, uc->R10); |
never@2262 | 456 | st->print("R11="); print_location(st, uc->R11); |
never@2262 | 457 | st->print("R12="); print_location(st, uc->R12); |
never@2262 | 458 | st->print("R13="); print_location(st, uc->R13); |
never@2262 | 459 | st->print("R14="); print_location(st, uc->R14); |
never@2262 | 460 | st->print("R15="); print_location(st, uc->R15); |
never@2262 | 461 | #else |
never@2262 | 462 | st->print("EAX="); print_location(st, uc->Eax); |
never@2262 | 463 | st->print("EBX="); print_location(st, uc->Ebx); |
never@2262 | 464 | st->print("ECX="); print_location(st, uc->Ecx); |
never@2262 | 465 | st->print("EDX="); print_location(st, uc->Edx); |
never@2262 | 466 | st->print("ESP="); print_location(st, uc->Esp); |
never@2262 | 467 | st->print("EBP="); print_location(st, uc->Ebp); |
never@2262 | 468 | st->print("ESI="); print_location(st, uc->Esi); |
never@2262 | 469 | st->print("EDI="); print_location(st, uc->Edi); |
never@2262 | 470 | #endif |
never@2262 | 471 | |
duke@435 | 472 | st->cr(); |
duke@435 | 473 | } |
duke@435 | 474 | |
duke@435 | 475 | extern "C" int SafeFetch32 (int * adr, int Err) { |
duke@435 | 476 | int rv = Err ; |
duke@435 | 477 | _try { |
duke@435 | 478 | rv = *((volatile int *) adr) ; |
duke@435 | 479 | } __except(EXCEPTION_EXECUTE_HANDLER) { |
duke@435 | 480 | } |
duke@435 | 481 | return rv ; |
duke@435 | 482 | } |
duke@435 | 483 | |
duke@435 | 484 | extern "C" intptr_t SafeFetchN (intptr_t * adr, intptr_t Err) { |
duke@435 | 485 | intptr_t rv = Err ; |
duke@435 | 486 | _try { |
duke@435 | 487 | rv = *((volatile intptr_t *) adr) ; |
duke@435 | 488 | } __except(EXCEPTION_EXECUTE_HANDLER) { |
duke@435 | 489 | } |
duke@435 | 490 | return rv ; |
duke@435 | 491 | } |
duke@435 | 492 | |
duke@435 | 493 | extern "C" int SpinPause () { |
duke@435 | 494 | #ifdef AMD64 |
duke@435 | 495 | return 0 ; |
duke@435 | 496 | #else |
duke@435 | 497 | // pause == rep:nop |
duke@435 | 498 | // On systems that don't support pause a rep:nop |
duke@435 | 499 | // is executed as a nop. The rep: prefix is ignored. |
duke@435 | 500 | _asm { |
duke@435 | 501 | pause ; |
duke@435 | 502 | }; |
duke@435 | 503 | return 1 ; |
duke@435 | 504 | #endif // AMD64 |
duke@435 | 505 | } |
duke@435 | 506 | |
duke@435 | 507 | |
duke@435 | 508 | void os::setup_fpu() { |
duke@435 | 509 | #ifndef AMD64 |
duke@435 | 510 | int fpu_cntrl_word = StubRoutines::fpu_cntrl_wrd_std(); |
duke@435 | 511 | __asm fldcw fpu_cntrl_word; |
duke@435 | 512 | #endif // !AMD64 |
duke@435 | 513 | } |