From 587d37609e93c632920ffc946032c7f9efff429f Mon Sep 17 00:00:00 2001
From: clc5q <clc5q@git.zephyr-software.com>
Date: Thu, 29 May 2008 02:19:04 +0000
Subject: [PATCH] Add method GetPushedOpnd().
---
SMPInstr.cpp | 21 +++++++++++++++++++++
SMPInstr.h | 1 +
2 files changed, 22 insertions(+)
diff --git a/SMPInstr.cpp b/SMPInstr.cpp
index 8133ced9..3f9243dc 100644
--- a/SMPInstr.cpp
+++ b/SMPInstr.cpp
@@ -2720,6 +2720,27 @@ void SMPInstr::EmitTypeAnnotations(bool UseFP, bool AllocSeen, FILE *AnnotFile)
return;
} // end of SMPInstr::EmitTypeAnnotations()
+// Go through the PUSH RTL and get the operand pushed.
+op_t SMPInstr::GetPushedOpnd(void) {
+ op_t VoidOp;
+ VoidOp.type = o_void;
+
+ if (NN_push == this->SMPcmd.itype) {
+ for (size_t OpNum = 0; OpNum < UA_MAXOP; ++OpNum) {
+ op_t TempOp = this->SMPcmd.Operands[OpNum];
+ if (this->features & UseMacros[OpNum]) { // USE
+ return TempOp;
+ }
+ }
+ msg("ERROR: Could not find PUSH operand at %x %s\n", this->address,
+ this->GetDisasm());
+ return VoidOp;
+ }
+ else {
+ return VoidOp;
+ }
+} // end of SMPInstr::GetPushedOpnd()
+
// Build the RTL for an instruction with a unary opcode
bool SMPInstr::BuildUnaryRTL(SMPoperator UnaryOp) {
size_t OpNum;
diff --git a/SMPInstr.h b/SMPInstr.h
index e3d474d1..04594989 100644
--- a/SMPInstr.h
+++ b/SMPInstr.h
@@ -224,6 +224,7 @@ public:
void AnalyzeMarker(void); // Fill in basic data for top of function pseudo-instruction.
bool BuildRTL(void); // Build RTL trees; return true if successfully built.
void SyncAllRTs(void); // calls SyncRTLDefUse() for all RTs in RTL
+ op_t GetPushedOpnd(void); // Extract source operand from PUSH RTL
void SetImmedTypes(bool UseFP); // type all immediate operands as NUMERIC, CODEPTR, GLOBALPTR
// and set other context-free types (ESP == STACKPTR, etc.)
bool InferTypes(void); // return true if any DEF-USE or RTL operator types were updated.
--
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