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Issue 1930: Adapt to new calling convention on ARM. (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: '' Created 12 years, 3 months ago
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1 // Copyright 2006-2008 the V8 project authors. All rights reserved. 1 // Copyright 2006-2008 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
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247 247
248 Code* ExitFrame::FindCode() const { 248 Code* ExitFrame::FindCode() const {
249 return Heap::c_entry_code(); 249 return Heap::c_entry_code();
250 } 250 }
251 251
252 252
253 StackFrame::Type ExitFrame::GetCallerState(State* state) const { 253 StackFrame::Type ExitFrame::GetCallerState(State* state) const {
254 // Setup the caller state. 254 // Setup the caller state.
255 state->sp = pp(); 255 state->sp = pp();
256 state->fp = Memory::Address_at(fp() + ExitFrameConstants::kCallerFPOffset); 256 state->fp = Memory::Address_at(fp() + ExitFrameConstants::kCallerFPOffset);
257 #ifdef USE_OLD_CALLING_CONVENTIONS
258 state->pp = Memory::Address_at(fp() + ExitFrameConstants::kCallerPPOffset);
259 #endif
260 state->pc_address 257 state->pc_address
261 = reinterpret_cast<Address*>(fp() + ExitFrameConstants::kCallerPCOffset); 258 = reinterpret_cast<Address*>(fp() + ExitFrameConstants::kCallerPCOffset);
262 return ComputeType(state); 259 return ComputeType(state);
263 } 260 }
264 261
265 262
266 Address ExitFrame::GetCallerStackPointer() const { 263 Address ExitFrame::GetCallerStackPointer() const {
267 return fp() + ExitFrameConstants::kPPDisplacement; 264 return fp() + ExitFrameConstants::kPPDisplacement;
268 } 265 }
269 266
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286 Address limit = sp(); 283 Address limit = sp();
287 ASSERT(base >= limit); // stack grows downwards 284 ASSERT(base >= limit); // stack grows downwards
288 // Include register-allocated locals in number of expressions. 285 // Include register-allocated locals in number of expressions.
289 return (base - limit) / kPointerSize; 286 return (base - limit) / kPointerSize;
290 } 287 }
291 288
292 289
293 StackFrame::Type StandardFrame::GetCallerState(State* state) const { 290 StackFrame::Type StandardFrame::GetCallerState(State* state) const {
294 state->sp = caller_sp(); 291 state->sp = caller_sp();
295 state->fp = caller_fp(); 292 state->fp = caller_fp();
296 #ifdef USE_OLD_CALLING_CONVENTIONS
297 state->pp = caller_pp();
298 #endif
299 state->pc_address = reinterpret_cast<Address*>(ComputePCAddress(fp())); 293 state->pc_address = reinterpret_cast<Address*>(ComputePCAddress(fp()));
300 return ComputeType(state); 294 return ComputeType(state);
301 } 295 }
302 296
303 297
304 bool StandardFrame::IsExpressionInsideHandler(int n) const { 298 bool StandardFrame::IsExpressionInsideHandler(int n) const {
305 Address address = GetExpressionAddress(n); 299 Address address = GetExpressionAddress(n);
306 for (StackHandlerIterator it(this, top_handler()); !it.done(); it.Advance()) { 300 for (StackHandlerIterator it(this, top_handler()); !it.done(); it.Advance()) {
307 if (it.handler()->includes(address)) return true; 301 if (it.handler()->includes(address)) return true;
308 } 302 }
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592 reg_code[i++] = r; 586 reg_code[i++] = r;
593 587
594 ASSERT(i == kNumJSCallerSaved); 588 ASSERT(i == kNumJSCallerSaved);
595 } 589 }
596 ASSERT(0 <= n && n < kNumJSCallerSaved); 590 ASSERT(0 <= n && n < kNumJSCallerSaved);
597 return reg_code[n]; 591 return reg_code[n];
598 } 592 }
599 593
600 594
601 } } // namespace v8::internal 595 } } // namespace v8::internal
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