720 lines
16 KiB
Smali
720 lines
16 KiB
Smali
.class public Lpl/droidsonroids/relinker/elf/ElfParser;
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.super Ljava/lang/Object;
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.source "ElfParser.java"
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# interfaces
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.implements Ljava/io/Closeable;
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.implements Lpl/droidsonroids/relinker/elf/Elf;
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# instance fields
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.field private final MAGIC:I
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.field private final channel:Ljava/nio/channels/FileChannel;
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# direct methods
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.method public constructor <init>(Ljava/io/File;)V
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.locals 1
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.annotation system Ldalvik/annotation/Throws;
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value = {
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Ljava/io/FileNotFoundException;
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}
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.end annotation
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.line 35
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invoke-direct {p0}, Ljava/lang/Object;-><init>()V
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const v0, 0x464c457f
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.line 32
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iput v0, p0, Lpl/droidsonroids/relinker/elf/ElfParser;->MAGIC:I
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if-eqz p1, :cond_0
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.line 36
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invoke-virtual {p1}, Ljava/io/File;->exists()Z
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move-result v0
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if-eqz v0, :cond_0
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.line 40
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new-instance v0, Ljava/io/FileInputStream;
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invoke-direct {v0, p1}, Ljava/io/FileInputStream;-><init>(Ljava/io/File;)V
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.line 41
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invoke-virtual {v0}, Ljava/io/FileInputStream;->getChannel()Ljava/nio/channels/FileChannel;
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move-result-object p1
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iput-object p1, p0, Lpl/droidsonroids/relinker/elf/ElfParser;->channel:Ljava/nio/channels/FileChannel;
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return-void
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.line 37
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:cond_0
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new-instance p1, Ljava/lang/IllegalArgumentException;
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const-string v0, "File is null or does not exist"
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invoke-direct {p1, v0}, Ljava/lang/IllegalArgumentException;-><init>(Ljava/lang/String;)V
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throw p1
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.end method
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.method private offsetFromVma(Lpl/droidsonroids/relinker/elf/Elf$Header;JJ)J
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.locals 9
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.annotation system Ldalvik/annotation/Throws;
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value = {
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Ljava/io/IOException;
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}
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.end annotation
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const-wide/16 v0, 0x0
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:goto_0
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cmp-long v2, v0, p2
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if-gez v2, :cond_1
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.line 131
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invoke-virtual {p1, v0, v1}, Lpl/droidsonroids/relinker/elf/Elf$Header;->getProgramHeader(J)Lpl/droidsonroids/relinker/elf/Elf$ProgramHeader;
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move-result-object v2
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.line 132
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iget-wide v3, v2, Lpl/droidsonroids/relinker/elf/Elf$ProgramHeader;->type:J
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const-wide/16 v5, 0x1
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cmp-long v3, v3, v5
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if-nez v3, :cond_0
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.line 134
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iget-wide v3, v2, Lpl/droidsonroids/relinker/elf/Elf$ProgramHeader;->vaddr:J
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cmp-long v3, v3, p4
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if-gtz v3, :cond_0
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iget-wide v3, v2, Lpl/droidsonroids/relinker/elf/Elf$ProgramHeader;->vaddr:J
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iget-wide v7, v2, Lpl/droidsonroids/relinker/elf/Elf$ProgramHeader;->memsz:J
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add-long/2addr v3, v7
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cmp-long v3, p4, v3
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if-gtz v3, :cond_0
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.line 136
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iget-wide p1, v2, Lpl/droidsonroids/relinker/elf/Elf$ProgramHeader;->vaddr:J
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sub-long/2addr p4, p1
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iget-wide p1, v2, Lpl/droidsonroids/relinker/elf/Elf$ProgramHeader;->offset:J
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add-long/2addr p4, p1
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return-wide p4
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:cond_0
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add-long/2addr v0, v5
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goto :goto_0
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.line 141
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:cond_1
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new-instance p1, Ljava/lang/IllegalStateException;
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const-string p2, "Could not map vma to file offset!"
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invoke-direct {p1, p2}, Ljava/lang/IllegalStateException;-><init>(Ljava/lang/String;)V
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throw p1
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.end method
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# virtual methods
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.method public close()V
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.locals 1
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.annotation system Ldalvik/annotation/Throws;
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value = {
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Ljava/io/IOException;
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}
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.end annotation
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.line 146
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iget-object v0, p0, Lpl/droidsonroids/relinker/elf/ElfParser;->channel:Ljava/nio/channels/FileChannel;
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invoke-virtual {v0}, Ljava/nio/channels/FileChannel;->close()V
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return-void
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.end method
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.method public parseHeader()Lpl/droidsonroids/relinker/elf/Elf$Header;
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.locals 5
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.annotation system Ldalvik/annotation/Throws;
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value = {
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Ljava/io/IOException;
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}
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.end annotation
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.line 45
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iget-object v0, p0, Lpl/droidsonroids/relinker/elf/ElfParser;->channel:Ljava/nio/channels/FileChannel;
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const-wide/16 v1, 0x0
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invoke-virtual {v0, v1, v2}, Ljava/nio/channels/FileChannel;->position(J)Ljava/nio/channels/FileChannel;
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const/16 v0, 0x8
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.line 48
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invoke-static {v0}, Ljava/nio/ByteBuffer;->allocate(I)Ljava/nio/ByteBuffer;
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move-result-object v0
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.line 49
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sget-object v3, Ljava/nio/ByteOrder;->LITTLE_ENDIAN:Ljava/nio/ByteOrder;
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invoke-virtual {v0, v3}, Ljava/nio/ByteBuffer;->order(Ljava/nio/ByteOrder;)Ljava/nio/ByteBuffer;
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.line 50
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invoke-virtual {p0, v0, v1, v2}, Lpl/droidsonroids/relinker/elf/ElfParser;->readWord(Ljava/nio/ByteBuffer;J)J
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move-result-wide v1
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const-wide/32 v3, 0x464c457f
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cmp-long v1, v1, v3
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if-nez v1, :cond_3
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const-wide/16 v1, 0x4
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.line 54
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invoke-virtual {p0, v0, v1, v2}, Lpl/droidsonroids/relinker/elf/ElfParser;->readByte(Ljava/nio/ByteBuffer;J)S
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move-result v1
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const-wide/16 v2, 0x5
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.line 55
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invoke-virtual {p0, v0, v2, v3}, Lpl/droidsonroids/relinker/elf/ElfParser;->readByte(Ljava/nio/ByteBuffer;J)S
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move-result v0
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const/4 v2, 0x1
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const/4 v3, 0x2
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if-ne v0, v3, :cond_0
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move v0, v2
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goto :goto_0
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:cond_0
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const/4 v0, 0x0
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:goto_0
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if-ne v1, v2, :cond_1
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.line 57
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new-instance v1, Lpl/droidsonroids/relinker/elf/Elf32Header;
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invoke-direct {v1, v0, p0}, Lpl/droidsonroids/relinker/elf/Elf32Header;-><init>(ZLpl/droidsonroids/relinker/elf/ElfParser;)V
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return-object v1
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:cond_1
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if-ne v1, v3, :cond_2
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.line 59
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new-instance v1, Lpl/droidsonroids/relinker/elf/Elf64Header;
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invoke-direct {v1, v0, p0}, Lpl/droidsonroids/relinker/elf/Elf64Header;-><init>(ZLpl/droidsonroids/relinker/elf/ElfParser;)V
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return-object v1
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.line 62
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:cond_2
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new-instance v0, Ljava/lang/IllegalStateException;
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const-string v1, "Invalid class type!"
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invoke-direct {v0, v1}, Ljava/lang/IllegalStateException;-><init>(Ljava/lang/String;)V
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throw v0
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.line 51
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:cond_3
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new-instance v0, Ljava/lang/IllegalArgumentException;
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const-string v1, "Invalid ELF Magic!"
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invoke-direct {v0, v1}, Ljava/lang/IllegalArgumentException;-><init>(Ljava/lang/String;)V
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throw v0
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.end method
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.method public parseNeededDependencies()Ljava/util/List;
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.locals 21
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.annotation system Ldalvik/annotation/Signature;
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value = {
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"()",
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"Ljava/util/List<",
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"Ljava/lang/String;",
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">;"
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}
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.end annotation
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.annotation system Ldalvik/annotation/Throws;
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value = {
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Ljava/io/IOException;
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}
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.end annotation
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move-object/from16 v6, p0
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.line 66
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iget-object v0, v6, Lpl/droidsonroids/relinker/elf/ElfParser;->channel:Ljava/nio/channels/FileChannel;
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const-wide/16 v1, 0x0
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invoke-virtual {v0, v1, v2}, Ljava/nio/channels/FileChannel;->position(J)Ljava/nio/channels/FileChannel;
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.line 67
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new-instance v7, Ljava/util/ArrayList;
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invoke-direct {v7}, Ljava/util/ArrayList;-><init>()V
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.line 68
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invoke-virtual/range {p0 .. p0}, Lpl/droidsonroids/relinker/elf/ElfParser;->parseHeader()Lpl/droidsonroids/relinker/elf/Elf$Header;
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move-result-object v3
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const/16 v0, 0x8
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.line 69
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invoke-static {v0}, Ljava/nio/ByteBuffer;->allocate(I)Ljava/nio/ByteBuffer;
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move-result-object v8
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.line 70
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iget-boolean v0, v3, Lpl/droidsonroids/relinker/elf/Elf$Header;->bigEndian:Z
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if-eqz v0, :cond_0
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sget-object v0, Ljava/nio/ByteOrder;->BIG_ENDIAN:Ljava/nio/ByteOrder;
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goto :goto_0
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:cond_0
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sget-object v0, Ljava/nio/ByteOrder;->LITTLE_ENDIAN:Ljava/nio/ByteOrder;
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:goto_0
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invoke-virtual {v8, v0}, Ljava/nio/ByteBuffer;->order(Ljava/nio/ByteOrder;)Ljava/nio/ByteBuffer;
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.line 72
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iget v0, v3, Lpl/droidsonroids/relinker/elf/Elf$Header;->phnum:I
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int-to-long v4, v0
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const-wide/32 v9, 0xffff
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cmp-long v0, v4, v9
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const/4 v9, 0x0
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if-nez v0, :cond_1
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.line 83
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invoke-virtual {v3, v9}, Lpl/droidsonroids/relinker/elf/Elf$Header;->getSectionHeader(I)Lpl/droidsonroids/relinker/elf/Elf$SectionHeader;
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move-result-object v0
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.line 84
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iget-wide v4, v0, Lpl/droidsonroids/relinker/elf/Elf$SectionHeader;->info:J
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:cond_1
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move-wide v10, v1
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:goto_1
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cmp-long v0, v10, v4
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const-wide/16 v12, 0x1
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if-gez v0, :cond_3
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.line 89
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invoke-virtual {v3, v10, v11}, Lpl/droidsonroids/relinker/elf/Elf$Header;->getProgramHeader(J)Lpl/droidsonroids/relinker/elf/Elf$ProgramHeader;
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move-result-object v0
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.line 90
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iget-wide v14, v0, Lpl/droidsonroids/relinker/elf/Elf$ProgramHeader;->type:J
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const-wide/16 v16, 0x2
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cmp-long v14, v14, v16
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if-nez v14, :cond_2
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.line 91
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iget-wide v10, v0, Lpl/droidsonroids/relinker/elf/Elf$ProgramHeader;->offset:J
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goto :goto_2
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:cond_2
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add-long/2addr v10, v12
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goto :goto_1
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:cond_3
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move-wide v10, v1
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:goto_2
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cmp-long v0, v10, v1
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if-nez v0, :cond_4
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.line 98
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invoke-static {v7}, Ljava/util/Collections;->unmodifiableList(Ljava/util/List;)Ljava/util/List;
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move-result-object v0
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return-object v0
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.line 102
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:cond_4
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new-instance v14, Ljava/util/ArrayList;
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invoke-direct {v14}, Ljava/util/ArrayList;-><init>()V
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move-wide v15, v1
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.line 106
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:goto_3
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invoke-virtual {v3, v10, v11, v9}, Lpl/droidsonroids/relinker/elf/Elf$Header;->getDynamicStructure(JI)Lpl/droidsonroids/relinker/elf/Elf$DynamicStructure;
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move-result-object v0
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.line 107
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iget-wide v1, v0, Lpl/droidsonroids/relinker/elf/Elf$DynamicStructure;->tag:J
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cmp-long v1, v1, v12
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if-nez v1, :cond_5
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.line 108
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iget-wide v1, v0, Lpl/droidsonroids/relinker/elf/Elf$DynamicStructure;->val:J
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invoke-static {v1, v2}, Ljava/lang/Long;->valueOf(J)Ljava/lang/Long;
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move-result-object v1
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invoke-interface {v14, v1}, Ljava/util/List;->add(Ljava/lang/Object;)Z
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goto :goto_4
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.line 109
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:cond_5
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iget-wide v1, v0, Lpl/droidsonroids/relinker/elf/Elf$DynamicStructure;->tag:J
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const-wide/16 v19, 0x5
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cmp-long v1, v1, v19
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if-nez v1, :cond_6
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.line 110
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iget-wide v1, v0, Lpl/droidsonroids/relinker/elf/Elf$DynamicStructure;->val:J
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move-wide v15, v1
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:cond_6
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:goto_4
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add-int/lit8 v9, v9, 0x1
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.line 113
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iget-wide v0, v0, Lpl/droidsonroids/relinker/elf/Elf$DynamicStructure;->tag:J
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const-wide/16 v17, 0x0
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cmp-long v0, v0, v17
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if-nez v0, :cond_9
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cmp-long v0, v15, v17
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if-eqz v0, :cond_8
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move-object/from16 v0, p0
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move-object v1, v3
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move-wide v2, v4
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move-wide v4, v15
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.line 120
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invoke-direct/range {v0 .. v5}, Lpl/droidsonroids/relinker/elf/ElfParser;->offsetFromVma(Lpl/droidsonroids/relinker/elf/Elf$Header;JJ)J
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move-result-wide v0
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.line 121
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invoke-interface {v14}, Ljava/util/List;->iterator()Ljava/util/Iterator;
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move-result-object v2
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:goto_5
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invoke-interface {v2}, Ljava/util/Iterator;->hasNext()Z
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move-result v3
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if-eqz v3, :cond_7
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invoke-interface {v2}, Ljava/util/Iterator;->next()Ljava/lang/Object;
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move-result-object v3
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check-cast v3, Ljava/lang/Long;
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.line 122
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invoke-virtual {v3}, Ljava/lang/Long;->longValue()J
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move-result-wide v3
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add-long/2addr v3, v0
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invoke-virtual {v6, v8, v3, v4}, Lpl/droidsonroids/relinker/elf/ElfParser;->readString(Ljava/nio/ByteBuffer;J)Ljava/lang/String;
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move-result-object v3
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invoke-interface {v7, v3}, Ljava/util/List;->add(Ljava/lang/Object;)Z
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goto :goto_5
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:cond_7
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return-object v7
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.line 116
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:cond_8
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new-instance v0, Ljava/lang/IllegalStateException;
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const-string v1, "String table offset not found!"
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invoke-direct {v0, v1}, Ljava/lang/IllegalStateException;-><init>(Ljava/lang/String;)V
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throw v0
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:cond_9
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move-wide/from16 v1, v17
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goto :goto_3
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.end method
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.method protected read(Ljava/nio/ByteBuffer;JI)V
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.locals 6
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.annotation system Ldalvik/annotation/Throws;
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value = {
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Ljava/io/IOException;
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}
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.end annotation
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const/4 v0, 0x0
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.line 180
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invoke-virtual {p1, v0}, Ljava/nio/ByteBuffer;->position(I)Ljava/nio/Buffer;
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.line 181
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invoke-virtual {p1, p4}, Ljava/nio/ByteBuffer;->limit(I)Ljava/nio/Buffer;
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const-wide/16 v1, 0x0
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:goto_0
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int-to-long v3, p4
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cmp-long v3, v1, v3
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|
|
if-gez v3, :cond_1
|
|
|
|
.line 184
|
|
iget-object v3, p0, Lpl/droidsonroids/relinker/elf/ElfParser;->channel:Ljava/nio/channels/FileChannel;
|
|
|
|
add-long v4, p2, v1
|
|
|
|
invoke-virtual {v3, p1, v4, v5}, Ljava/nio/channels/FileChannel;->read(Ljava/nio/ByteBuffer;J)I
|
|
|
|
move-result v3
|
|
|
|
const/4 v4, -0x1
|
|
|
|
if-eq v3, v4, :cond_0
|
|
|
|
int-to-long v3, v3
|
|
|
|
add-long/2addr v1, v3
|
|
|
|
goto :goto_0
|
|
|
|
.line 186
|
|
:cond_0
|
|
new-instance p1, Ljava/io/EOFException;
|
|
|
|
invoke-direct {p1}, Ljava/io/EOFException;-><init>()V
|
|
|
|
throw p1
|
|
|
|
.line 191
|
|
:cond_1
|
|
invoke-virtual {p1, v0}, Ljava/nio/ByteBuffer;->position(I)Ljava/nio/Buffer;
|
|
|
|
return-void
|
|
.end method
|
|
|
|
.method protected readByte(Ljava/nio/ByteBuffer;J)S
|
|
.locals 1
|
|
.annotation system Ldalvik/annotation/Throws;
|
|
value = {
|
|
Ljava/io/IOException;
|
|
}
|
|
.end annotation
|
|
|
|
const/4 v0, 0x1
|
|
|
|
.line 175
|
|
invoke-virtual {p0, p1, p2, p3, v0}, Lpl/droidsonroids/relinker/elf/ElfParser;->read(Ljava/nio/ByteBuffer;JI)V
|
|
|
|
.line 176
|
|
invoke-virtual {p1}, Ljava/nio/ByteBuffer;->get()B
|
|
|
|
move-result p1
|
|
|
|
and-int/lit16 p1, p1, 0xff
|
|
|
|
int-to-short p1, p1
|
|
|
|
return p1
|
|
.end method
|
|
|
|
.method protected readHalf(Ljava/nio/ByteBuffer;J)I
|
|
.locals 1
|
|
.annotation system Ldalvik/annotation/Throws;
|
|
value = {
|
|
Ljava/io/IOException;
|
|
}
|
|
.end annotation
|
|
|
|
const/4 v0, 0x2
|
|
|
|
.line 170
|
|
invoke-virtual {p0, p1, p2, p3, v0}, Lpl/droidsonroids/relinker/elf/ElfParser;->read(Ljava/nio/ByteBuffer;JI)V
|
|
|
|
.line 171
|
|
invoke-virtual {p1}, Ljava/nio/ByteBuffer;->getShort()S
|
|
|
|
move-result p1
|
|
|
|
const p2, 0xffff
|
|
|
|
and-int/2addr p1, p2
|
|
|
|
return p1
|
|
.end method
|
|
|
|
.method protected readLong(Ljava/nio/ByteBuffer;J)J
|
|
.locals 1
|
|
.annotation system Ldalvik/annotation/Throws;
|
|
value = {
|
|
Ljava/io/IOException;
|
|
}
|
|
.end annotation
|
|
|
|
const/16 v0, 0x8
|
|
|
|
.line 160
|
|
invoke-virtual {p0, p1, p2, p3, v0}, Lpl/droidsonroids/relinker/elf/ElfParser;->read(Ljava/nio/ByteBuffer;JI)V
|
|
|
|
.line 161
|
|
invoke-virtual {p1}, Ljava/nio/ByteBuffer;->getLong()J
|
|
|
|
move-result-wide p1
|
|
|
|
return-wide p1
|
|
.end method
|
|
|
|
.method protected readString(Ljava/nio/ByteBuffer;J)Ljava/lang/String;
|
|
.locals 3
|
|
.annotation system Ldalvik/annotation/Throws;
|
|
value = {
|
|
Ljava/io/IOException;
|
|
}
|
|
.end annotation
|
|
|
|
.line 150
|
|
new-instance v0, Ljava/lang/StringBuilder;
|
|
|
|
invoke-direct {v0}, Ljava/lang/StringBuilder;-><init>()V
|
|
|
|
:goto_0
|
|
const-wide/16 v1, 0x1
|
|
|
|
add-long/2addr v1, p2
|
|
|
|
.line 152
|
|
invoke-virtual {p0, p1, p2, p3}, Lpl/droidsonroids/relinker/elf/ElfParser;->readByte(Ljava/nio/ByteBuffer;J)S
|
|
|
|
move-result p2
|
|
|
|
if-eqz p2, :cond_0
|
|
|
|
int-to-char p2, p2
|
|
|
|
.line 153
|
|
invoke-virtual {v0, p2}, Ljava/lang/StringBuilder;->append(C)Ljava/lang/StringBuilder;
|
|
|
|
move-wide p2, v1
|
|
|
|
goto :goto_0
|
|
|
|
.line 156
|
|
:cond_0
|
|
invoke-virtual {v0}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;
|
|
|
|
move-result-object p1
|
|
|
|
return-object p1
|
|
.end method
|
|
|
|
.method protected readWord(Ljava/nio/ByteBuffer;J)J
|
|
.locals 2
|
|
.annotation system Ldalvik/annotation/Throws;
|
|
value = {
|
|
Ljava/io/IOException;
|
|
}
|
|
.end annotation
|
|
|
|
const/4 v0, 0x4
|
|
|
|
.line 165
|
|
invoke-virtual {p0, p1, p2, p3, v0}, Lpl/droidsonroids/relinker/elf/ElfParser;->read(Ljava/nio/ByteBuffer;JI)V
|
|
|
|
.line 166
|
|
invoke-virtual {p1}, Ljava/nio/ByteBuffer;->getInt()I
|
|
|
|
move-result p1
|
|
|
|
int-to-long p1, p1
|
|
|
|
const-wide v0, 0xffffffffL
|
|
|
|
and-long/2addr p1, v0
|
|
|
|
return-wide p1
|
|
.end method
|