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MIPS: Fix and adapt debugger for new call target caches.

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Port of r10540.

R=yangguo@chromium.org
TEST=mjsunit/debug-stepout-scope

Review URL: https://chromiumcodereview.appspot.com/9225055

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10547 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
This commit is contained in:
mstarzinger@chromium.org 2012-01-30 11:10:14 +00:00
parent 9ece818b56
commit f97cd1a0ef
1 changed files with 31 additions and 9 deletions
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40
src/mips/debug-mips.cc
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@ -243,15 +243,6 @@ void Debug::GenerateCallICDebugBreak(MacroAssembler* masm) {
}
void Debug::GenerateConstructCallDebugBreak(MacroAssembler* masm) {
// Calling convention for construct call (from builtins-mips.cc).
// -- a0 : number of arguments (not smi)
// -- a1 : constructor function
// -- a2 : cache cell for call target
Generate_DebugBreakCallHelper(masm, a1.bit() | a2.bit(), a0.bit());
}
void Debug::GenerateReturnDebugBreak(MacroAssembler* masm) {
// In places other than IC call sites it is expected that v0 is TOS which
// is an object - this is not generally the case so this should be used with
@ -269,6 +260,37 @@ void Debug::GenerateCallFunctionStubDebugBreak(MacroAssembler* masm) {
}
void Debug::GenerateCallFunctionStubRecordDebugBreak(MacroAssembler* masm) {
// Register state for CallFunctionStub (from code-stubs-mips.cc).
// ----------- S t a t e -------------
// -- a1 : function
// -- a2 : cache cell for call target
// -----------------------------------
Generate_DebugBreakCallHelper(masm, a1.bit() | a2.bit(), 0);
}
void Debug::GenerateCallConstructStubDebugBreak(MacroAssembler* masm) {
// Calling convention for CallConstructStub (from code-stubs-mips.cc).
// ----------- S t a t e -------------
// -- a0 : number of arguments (not smi)
// -- a1 : constructor function
// -----------------------------------
Generate_DebugBreakCallHelper(masm, a1.bit() , a0.bit());
}
void Debug::GenerateCallConstructStubRecordDebugBreak(MacroAssembler* masm) {
// Calling convention for CallConstructStub (from code-stubs-mips.cc).
// ----------- S t a t e -------------
// -- a0 : number of arguments (not smi)
// -- a1 : constructor function
// -- a2 : cache cell for call target
// -----------------------------------
Generate_DebugBreakCallHelper(masm, a1.bit() | a2.bit(), a0.bit());
}
void Debug::GenerateSlot(MacroAssembler* masm) {
// Generate enough nop's to make space for a call instruction. Avoid emitting
// the trampoline pool in the debug break slot code.