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Unified Diff: src/frames-arm.h

Issue 92068: Move backend specific files to separate directories. (Closed)
Patch Set: Added CPPPATH flag and made all includes use same base path. Created 11 years, 8 months ago
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Index: src/frames-arm.h
diff --git a/src/frames-arm.h b/src/frames-arm.h
deleted file mode 100644
index 930f6e0e0bd391fdb887fc000fede5bfb6a244a0..0000000000000000000000000000000000000000
--- a/src/frames-arm.h
+++ /dev/null
@@ -1,379 +0,0 @@
-// Copyright 2006-2008 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:
-//
-// * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-// * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following
-// disclaimer in the documentation and/or other materials provided
-// with the distribution.
-// * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived
-// from this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-#ifndef V8_FRAMES_ARM_H_
-#define V8_FRAMES_ARM_H_
-
-namespace v8 { namespace internal {
-
-
-// The ARM ABI does not specify the usage of register r9, which may be reserved
-// as the static base or thread register on some platforms, in which case we
-// leave it alone. Adjust the value of kR9Available accordingly:
-static const int kR9Available = 1; // 1 if available to us, 0 if reserved
-
-
-// Register list in load/store instructions
-// Note that the bit values must match those used in actual instruction encoding
-static const int kNumRegs = 16;
-
-
-// Caller-saved/arguments registers
-static const RegList kJSCallerSaved =
- 1 << 0 | // r0 a1
- 1 << 1 | // r1 a2
- 1 << 2 | // r2 a3
- 1 << 3; // r3 a4
-
-static const int kNumJSCallerSaved = 4;
-
-typedef Object* JSCallerSavedBuffer[kNumJSCallerSaved];
-
-// Return the code of the n-th caller-saved register available to JavaScript
-// e.g. JSCallerSavedReg(0) returns r0.code() == 0
-int JSCallerSavedCode(int n);
-
-
-// Callee-saved registers preserved when switching from C to JavaScript
-static const RegList kCalleeSaved =
- 1 << 4 | // r4 v1
- 1 << 5 | // r5 v2
- 1 << 6 | // r6 v3
- 1 << 7 | // r7 v4
- 1 << 8 | // r8 v5 (cp in JavaScript code)
- kR9Available
- << 9 | // r9 v6
- 1 << 10 | // r10 v7 (pp in JavaScript code)
- 1 << 11; // r11 v8 (fp in JavaScript code)
-
-static const int kNumCalleeSaved = 7 + kR9Available;
-
-
-// ----------------------------------------------------
-
-
-class StackHandlerConstants : public AllStatic {
- public:
- // TODO(1233780): Get rid of the code slot in stack handlers.
- static const int kCodeOffset = 0 * kPointerSize;
- static const int kNextOffset = 1 * kPointerSize;
- static const int kStateOffset = 2 * kPointerSize;
- static const int kPPOffset = 3 * kPointerSize;
- static const int kFPOffset = 4 * kPointerSize;
- static const int kPCOffset = 5 * kPointerSize;
-
- static const int kAddressDisplacement = -1 * kPointerSize;
- static const int kSize = kPCOffset + kPointerSize;
-};
-
-
-class EntryFrameConstants : public AllStatic {
- public:
- static const int kCallerFPOffset = -3 * kPointerSize;
-};
-
-
-class ExitFrameConstants : public AllStatic {
- public:
- // Exit frames have a debug marker on the stack.
- static const int kSPDisplacement = -1 * kPointerSize;
-
- // The debug marker is just above the frame pointer.
- static const int kDebugMarkOffset = -1 * kPointerSize;
-
- static const int kSavedRegistersOffset = 0 * kPointerSize;
-
- // Let the parameters pointer for exit frames point just below the
- // frame structure on the stack.
- static const int kPPDisplacement = 3 * kPointerSize;
-
- // The caller fields are below the frame pointer on the stack.
- static const int kCallerFPOffset = +0 * kPointerSize;
- static const int kCallerPPOffset = +1 * kPointerSize;
- static const int kCallerPCOffset = +2 * kPointerSize;
-};
-
-
-class StandardFrameConstants : public AllStatic {
- public:
- static const int kExpressionsOffset = -3 * kPointerSize;
- static const int kMarkerOffset = -2 * kPointerSize;
- static const int kContextOffset = -1 * kPointerSize;
- static const int kCallerFPOffset = 0 * kPointerSize;
- static const int kCallerPCOffset = +1 * kPointerSize;
- static const int kCallerSPOffset = +2 * kPointerSize;
-};
-
-
-class JavaScriptFrameConstants : public AllStatic {
- public:
- // FP-relative.
- static const int kLocal0Offset = StandardFrameConstants::kExpressionsOffset;
- static const int kSavedRegistersOffset = +2 * kPointerSize;
- static const int kFunctionOffset = StandardFrameConstants::kMarkerOffset;
-
- // PP-relative.
- static const int kParam0Offset = -2 * kPointerSize;
- static const int kReceiverOffset = -1 * kPointerSize;
-};
-
-
-class ArgumentsAdaptorFrameConstants : public AllStatic {
- public:
- static const int kLengthOffset = StandardFrameConstants::kExpressionsOffset;
-};
-
-
-class InternalFrameConstants : public AllStatic {
- public:
- static const int kCodeOffset = StandardFrameConstants::kExpressionsOffset;
-};
-
-
-inline Object* JavaScriptFrame::function_slot_object() const {
- const int offset = JavaScriptFrameConstants::kFunctionOffset;
- return Memory::Object_at(fp() + offset);
-}
-
-
-// ----------------------------------------------------
-
-
-
-
- // lower | Stack |
- // addresses | ^ |
- // | | |
- // | |
- // | JS frame |
- // | |
- // | |
- // ----------- +=============+ <--- sp (stack pointer)
- // | function |
- // +-------------+
- // +-------------+
- // | |
- // | expressions |
- // | |
- // +-------------+
- // | |
- // a | locals |
- // c | |
- // t +- - - - - - -+ <---
- // i -4 | local0 | ^
- // v +-------------+ |
- // a -3 | code | |
- // t +-------------+ | kLocal0Offset
- // i -2 | context | |
- // o +-------------+ |
- // n -1 | args_length | v
- // +-------------+ <--- fp (frame pointer)
- // 0 | caller_pp |
- // f +-------------+
- // r 1 | caller_fp |
- // a +-------------+
- // m 2 | sp_on_exit | (pp if return, caller_sp if no return)
- // e +-------------+
- // 3 | caller_pc |
- // +-------------+ <--- caller_sp (incl. parameters)
- // | |
- // | parameters |
- // | |
- // +- - - - - - -+ <---
- // -2 | parameter0 | ^
- // +-------------+ | kParam0Offset
- // -1 | receiver | v
- // ----------- +=============+ <--- pp (parameter pointer, r10)
- // 0 | function |
- // +-------------+
- // | |
- // |caller-saved | (must be valid JS values, traversed during GC)
- // | regs |
- // | |
- // +-------------+
- // | |
- // | caller |
- // higher | expressions |
- // addresses | |
- // | |
- // | JS frame |
-
-
-
- // Handler frames (part of expressions of JS frames):
-
- // lower | Stack |
- // addresses | ^ |
- // | | |
- // | |
- // h | expressions |
- // a | |
- // n +-------------+
- // d -1 | code |
- // l +-------------+ <--- handler sp
- // e 0 | next_sp | link to next handler (next handler's sp)
- // r +-------------+
- // 1 | state |
- // f +-------------+
- // r 2 | pp |
- // a +-------------+
- // m 3 | fp |
- // e +-------------+
- // 4 | pc |
- // +-------------+
- // | |
- // higher | expressions |
- // addresses | |
-
-
-
- // JS entry frames: When calling from C to JS, we construct two extra
- // frames: An entry frame (C) and a trampoline frame (JS). The
- // following pictures shows the two frames:
-
- // lower | Stack |
- // addresses | ^ |
- // | | |
- // | |
- // | JS frame |
- // | |
- // | |
- // ----------- +=============+ <--- sp (stack pointer)
- // | |
- // | parameters |
- // t | |
- // r +- - - - - - -+
- // a | parameter0 |
- // m +-------------+
- // p | receiver |
- // o +-------------+
- // l | function |
- // i +-------------+
- // n -3 | code |
- // e +-------------+
- // -2 | NULL | context is always NULL
- // +-------------+
- // f -1 | 0 | args_length is always zero
- // r +-------------+ <--- fp (frame pointer)
- // a 0 | NULL | caller pp is always NULL for entries
- // m +-------------+
- // e 1 | caller_fp |
- // +-------------+
- // 2 | sp_on_exit | (caller_sp)
- // +-------------+
- // 3 | caller_pc |
- // ----------- +=============+ <--- caller_sp == pp
- // . ^
- // . | try-handler, fake, not GC'ed
- // . v
- // +-------------+ <---
- // -2 | next top pp |
- // +-------------+
- // -1 | next top fp |
- // +-------------+ <--- fp
- // | r4 | r4-r9 holding non-JS values must be preserved
- // +-------------+
- // J | r5 | before being initialized not to confuse GC
- // S +-------------+
- // | r6 |
- // +-------------+
- // e | r7 |
- // n +-------------+
- // t | r8 |
- // r +-------------+
- // y [ | r9 | ] only if r9 available
- // +-------------+
- // | r10 |
- // f +-------------+
- // r | r11 |
- // a +-------------+
- // m | caller_sp |
- // e +-------------+
- // | caller_pc |
- // +-------------+ <--- caller_sp
- // | argv | passed on stack from C code
- // +-------------+
- // | |
- // higher | |
- // addresses | C frame |
-
-
- // The first 4 args are passed from C in r0-r3 and are not spilled on entry:
- // r0: code entry
- // r1: function
- // r2: receiver
- // r3: argc
- // [sp+0]: argv
-
-
- // C entry frames: When calling from JS to C, we construct one extra
- // frame:
-
- // lower | Stack |
- // addresses | ^ |
- // | | |
- // | |
- // | C frame |
- // | |
- // | |
- // ----------- +=============+ <--- sp (stack pointer)
- // | |
- // | parameters | (first 4 args are passed in r0-r3)
- // | |
- // +-------------+ <--- fp (frame pointer)
- // f 4/5 | caller_fp |
- // r +-------------+
- // a 5/6 | sp_on_exit | (pp)
- // m +-------------+
- // e 6/7 | caller_pc |
- // +-------------+ <--- caller_sp (incl. parameters)
- // 7/8 | |
- // | parameters |
- // | |
- // +- - - - - - -+ <---
- // -2 | parameter0 | ^
- // +-------------+ | kParam0Offset
- // -1 | receiver | v
- // ----------- +=============+ <--- pp (parameter pointer, r10)
- // 0 | function |
- // +-------------+
- // | |
- // |caller-saved |
- // | regs |
- // | |
- // +-------------+
- // | |
- // | caller |
- // | expressions |
- // | |
- // higher | |
- // addresses | JS frame |
-
-
-} } // namespace v8::internal
-
-#endif // V8_FRAMES_ARM_H_
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