Index: src/sh4/constants-sh4.cc |
diff --git a/src/data-flow.cc b/src/sh4/constants-sh4.cc |
similarity index 56% |
copy from src/data-flow.cc |
copy to src/sh4/constants-sh4.cc |
index 6a3b05cc86d98b5758ab9115a94f02d6ec798b6b..a1b06d2ebf37d6ed54bc23aba05eeda0c2ad3aa7 100644 |
--- a/src/data-flow.cc |
+++ b/src/sh4/constants-sh4.cc |
@@ -1,4 +1,4 @@ |
-// Copyright 2010 the V8 project authors. All rights reserved. |
+// Copyright 2011-2012 the V8 project authors. All rights reserved. |
// Redistribution and use in source and binary forms, with or without |
// modification, are permitted provided that the following conditions are |
// met: |
@@ -27,40 +27,63 @@ |
#include "v8.h" |
-#include "data-flow.h" |
-#include "scopes.h" |
+#if defined(V8_TARGET_ARCH_SH4) |
+ |
+#include "constants-sh4.h" |
+ |
namespace v8 { |
namespace internal { |
-#ifdef DEBUG |
-void BitVector::Print() { |
- bool first = true; |
- PrintF("{"); |
- for (int i = 0; i < length(); i++) { |
- if (Contains(i)) { |
- if (!first) PrintF(","); |
- first = false; |
- PrintF("%d", i); |
- } |
+// These register names are defined in a way to match the native disassembler |
+// formatting. See for example the command "objdump -d <binary file>". |
+const char* Registers::names_[kNumRegisters] = { |
+ "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", |
+ "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15", |
+}; |
+ |
+ |
+// List of alias names which can be used when referring to SH4 registers. |
+const Registers::RegisterAlias Registers::aliases_[] = { |
+ {14, "fp"}, |
+ {15, "sp"}, |
+ {kNoRegister, NULL} |
+}; |
+ |
+ |
+const char* Registers::Name(int reg) { |
+ const char* result; |
+ if ((0 <= reg) && (reg < kNumRegisters)) { |
+ result = names_[reg]; |
+ } else { |
+ result = "noreg"; |
} |
- PrintF("}"); |
+ return result; |
} |
-#endif |
-void BitVector::Iterator::Advance() { |
- current_++; |
- uint32_t val = current_value_; |
- while (val == 0) { |
- current_index_++; |
- if (Done()) return; |
- val = target_->data_[current_index_]; |
- current_ = current_index_ << 5; |
+int Registers::Number(const char* name) { |
+ // Look through the canonical names. |
+ for (int i = 0; i < kNumRegisters; i++) { |
+ if (strcmp(names_[i], name) == 0) { |
+ return i; |
+ } |
+ } |
+ |
+ // Look through the alias names. |
+ int i = 0; |
+ while (aliases_[i].reg != kNoRegister) { |
+ if (strcmp(aliases_[i].name, name) == 0) { |
+ return aliases_[i].reg; |
+ } |
+ i++; |
} |
- val = SkipZeroBytes(val); |
- val = SkipZeroBits(val); |
- current_value_ = val >> 1; |
+ |
+ // No register with the requested name found. |
+ return kNoRegister; |
} |
+ |
} } // namespace v8::internal |
+ |
+#endif // V8_TARGET_ARCH_SH4 |