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69 lines
3.1 KiB
Diff
69 lines
3.1 KiB
Diff
From 687b92094889a90a70afc4e153ac24659a7e2beb Mon Sep 17 00:00:00 2001
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From: Connor Tumbleson <connor.tumbleson@gmail.com>
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Date: Wed, 14 Oct 2015 06:08:13 -0500
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Subject: baksmali: added DIFFPRE reg info
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---
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.../Adaptors/PreInstructionRegisterInfoMethodItem.java | 18 ++++++++++++++++++
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.../src/main/java/org/jf/baksmali/baksmaliOptions.java | 2 ++
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2 files changed, 20 insertions(+)
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diff --git a/baksmali/src/main/java/org/jf/baksmali/Adaptors/PreInstructionRegisterInfoMethodItem.java b/baksmali/src/main/java/org/jf/baksmali/Adaptors/PreInstructionRegisterInfoMethodItem.java
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index f532938..5699cf0 100644
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--- a/baksmali/src/main/java/org/jf/baksmali/Adaptors/PreInstructionRegisterInfoMethodItem.java
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+++ b/baksmali/src/main/java/org/jf/baksmali/Adaptors/PreInstructionRegisterInfoMethodItem.java
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@@ -40,6 +40,8 @@ import java.io.IOException;
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import java.util.BitSet;
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public class PreInstructionRegisterInfoMethodItem extends MethodItem {
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+ private static AnalyzedInstruction lastInstruction;
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+
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private final int registerInfo;
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@Nonnull private final MethodAnalyzer methodAnalyzer;
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@Nonnull private final RegisterFormatter registerFormatter;
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@@ -77,6 +79,9 @@ public class PreInstructionRegisterInfoMethodItem extends MethodItem {
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if ((registerInfo & baksmaliOptions.ARGS) != 0) {
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addArgsRegs(registers);
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}
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+ if ((registerInfo & baksmaliOptions.DIFFPRE) != 0) {
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+ addDiffRegs(registers);
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+ }
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if ((registerInfo & baksmaliOptions.MERGE) != 0) {
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if (analyzedInstruction.isBeginningInstruction()) {
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addParamRegs(registers, registerCount);
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@@ -144,6 +149,19 @@ public class PreInstructionRegisterInfoMethodItem extends MethodItem {
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}
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}
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+ private void addDiffRegs(BitSet registers) {
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+ if (! analyzedInstruction.isBeginningInstruction()) {
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+ for (int i = 0; i < analyzedInstruction.getRegisterCount(); i++) {
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+ if (lastInstruction.getPreInstructionRegisterType(i).category !=
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+ analyzedInstruction.getPreInstructionRegisterType(i).category) {
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+ registers.set(i);
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+ }
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+ }
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+ }
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+
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+ lastInstruction = analyzedInstruction;
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+ }
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+
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private void addMergeRegs(BitSet registers, int registerCount) {
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if (analyzedInstruction.getPredecessorCount() <= 1) {
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//in the common case of an instruction that only has a single predecessor which is the previous
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diff --git a/baksmali/src/main/java/org/jf/baksmali/baksmaliOptions.java b/baksmali/src/main/java/org/jf/baksmali/baksmaliOptions.java
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index 5dd060f..fc2ffc5 100644
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--- a/baksmali/src/main/java/org/jf/baksmali/baksmaliOptions.java
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+++ b/baksmali/src/main/java/org/jf/baksmali/baksmaliOptions.java
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@@ -53,6 +53,8 @@ public class baksmaliOptions {
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public static final int MERGE = 32;
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public static final int FULLMERGE = 64;
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+ public static final int DIFFPRE = 128;
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+
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public int apiLevel = 15;
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public String outputDirectory = "out";
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@Nullable public String dexEntry = null;
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--
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2.1.4
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