Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(6)

Side by Side Diff: src/mips/assembler-mips.cc

Issue 9227007: Version 3.8.6 (Closed) Base URL: http://v8.googlecode.com/svn/trunk/
Patch Set: Created 8 years, 11 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch | Annotate | Revision Log
« no previous file with comments | « src/mark-compact.cc ('k') | src/mips/assembler-mips-inl.h » ('j') | no next file with comments »
Toggle Intra-line Diffs ('i') | Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
OLDNEW
1 // Copyright (c) 1994-2006 Sun Microsystems Inc. 1 // Copyright (c) 1994-2006 Sun Microsystems Inc.
2 // All Rights Reserved. 2 // All Rights Reserved.
3 // 3 //
4 // Redistribution and use in source and binary forms, with or without 4 // Redistribution and use in source and binary forms, with or without
5 // modification, are permitted provided that the following conditions are 5 // modification, are permitted provided that the following conditions are
6 // met: 6 // met:
7 // 7 //
8 // - Redistributions of source code must retain the above copyright notice, 8 // - Redistributions of source code must retain the above copyright notice,
9 // this list of conditions and the following disclaimer. 9 // this list of conditions and the following disclaimer.
10 // 10 //
(...skipping 283 matching lines...) Expand 10 before | Expand all | Expand 10 after
294 own_buffer_ = true; 294 own_buffer_ = true;
295 295
296 } else { 296 } else {
297 // Use externally provided buffer instead. 297 // Use externally provided buffer instead.
298 ASSERT(buffer_size > 0); 298 ASSERT(buffer_size > 0);
299 buffer_ = static_cast<byte*>(buffer); 299 buffer_ = static_cast<byte*>(buffer);
300 buffer_size_ = buffer_size; 300 buffer_size_ = buffer_size;
301 own_buffer_ = false; 301 own_buffer_ = false;
302 } 302 }
303 303
304 // Setup buffer pointers. 304 // Set up buffer pointers.
305 ASSERT(buffer_ != NULL); 305 ASSERT(buffer_ != NULL);
306 pc_ = buffer_; 306 pc_ = buffer_;
307 reloc_info_writer.Reposition(buffer_ + buffer_size, pc_); 307 reloc_info_writer.Reposition(buffer_ + buffer_size, pc_);
308 308
309 last_trampoline_pool_end_ = 0; 309 last_trampoline_pool_end_ = 0;
310 no_trampoline_pool_before_ = 0; 310 no_trampoline_pool_before_ = 0;
311 trampoline_pool_blocked_nesting_ = 0; 311 trampoline_pool_blocked_nesting_ = 0;
312 // We leave space (16 * kTrampolineSlotsSize) 312 // We leave space (16 * kTrampolineSlotsSize)
313 // for BlockTrampolinePoolScope buffer. 313 // for BlockTrampolinePoolScope buffer.
314 next_buffer_check_ = kMaxBranchOffset - kTrampolineSlotsSize * 16; 314 next_buffer_check_ = kMaxBranchOffset - kTrampolineSlotsSize * 16;
(...skipping 15 matching lines...) Expand all
330 isolate()->set_assembler_spare_buffer(buffer_); 330 isolate()->set_assembler_spare_buffer(buffer_);
331 } else { 331 } else {
332 DeleteArray(buffer_); 332 DeleteArray(buffer_);
333 } 333 }
334 } 334 }
335 } 335 }
336 336
337 337
338 void Assembler::GetCode(CodeDesc* desc) { 338 void Assembler::GetCode(CodeDesc* desc) {
339 ASSERT(pc_ <= reloc_info_writer.pos()); // No overlap. 339 ASSERT(pc_ <= reloc_info_writer.pos()); // No overlap.
340 // Setup code descriptor. 340 // Set up code descriptor.
341 desc->buffer = buffer_; 341 desc->buffer = buffer_;
342 desc->buffer_size = buffer_size_; 342 desc->buffer_size = buffer_size_;
343 desc->instr_size = pc_offset(); 343 desc->instr_size = pc_offset();
344 desc->reloc_size = (buffer_ + buffer_size_) - reloc_info_writer.pos(); 344 desc->reloc_size = (buffer_ + buffer_size_) - reloc_info_writer.pos();
345 } 345 }
346 346
347 347
348 void Assembler::Align(int m) { 348 void Assembler::Align(int m) {
349 ASSERT(m >= 4 && IsPowerOf2(m)); 349 ASSERT(m >= 4 && IsPowerOf2(m));
350 while ((pc_offset() & (m - 1)) != 0) { 350 while ((pc_offset() & (m - 1)) != 0) {
(...skipping 1612 matching lines...) Expand 10 before | Expand all | Expand 10 after
1963 CodeDesc desc; // The new buffer. 1963 CodeDesc desc; // The new buffer.
1964 if (buffer_size_ < 4*KB) { 1964 if (buffer_size_ < 4*KB) {
1965 desc.buffer_size = 4*KB; 1965 desc.buffer_size = 4*KB;
1966 } else if (buffer_size_ < 1*MB) { 1966 } else if (buffer_size_ < 1*MB) {
1967 desc.buffer_size = 2*buffer_size_; 1967 desc.buffer_size = 2*buffer_size_;
1968 } else { 1968 } else {
1969 desc.buffer_size = buffer_size_ + 1*MB; 1969 desc.buffer_size = buffer_size_ + 1*MB;
1970 } 1970 }
1971 CHECK_GT(desc.buffer_size, 0); // No overflow. 1971 CHECK_GT(desc.buffer_size, 0); // No overflow.
1972 1972
1973 // Setup new buffer. 1973 // Set up new buffer.
1974 desc.buffer = NewArray<byte>(desc.buffer_size); 1974 desc.buffer = NewArray<byte>(desc.buffer_size);
1975 1975
1976 desc.instr_size = pc_offset(); 1976 desc.instr_size = pc_offset();
1977 desc.reloc_size = (buffer_ + buffer_size_) - reloc_info_writer.pos(); 1977 desc.reloc_size = (buffer_ + buffer_size_) - reloc_info_writer.pos();
1978 1978
1979 // Copy the data. 1979 // Copy the data.
1980 int pc_delta = desc.buffer - buffer_; 1980 int pc_delta = desc.buffer - buffer_;
1981 int rc_delta = (desc.buffer + desc.buffer_size) - (buffer_ + buffer_size_); 1981 int rc_delta = (desc.buffer + desc.buffer_size) - (buffer_ + buffer_size_);
1982 memmove(desc.buffer, buffer_, desc.instr_size); 1982 memmove(desc.buffer, buffer_, desc.instr_size);
1983 memmove(reloc_info_writer.pos() + rc_delta, 1983 memmove(reloc_info_writer.pos() + rc_delta,
(...skipping 283 matching lines...) Expand 10 before | Expand all | Expand 10 after
2267 } 2267 }
2268 2268
2269 if (patched) { 2269 if (patched) {
2270 CPU::FlushICache(pc+2, sizeof(Address)); 2270 CPU::FlushICache(pc+2, sizeof(Address));
2271 } 2271 }
2272 } 2272 }
2273 2273
2274 } } // namespace v8::internal 2274 } } // namespace v8::internal
2275 2275
2276 #endif // V8_TARGET_ARCH_MIPS 2276 #endif // V8_TARGET_ARCH_MIPS
OLDNEW
« no previous file with comments | « src/mark-compact.cc ('k') | src/mips/assembler-mips-inl.h » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698