ShareElfFile.smali

.class public Lcom/tencent/tinker/loader/shareutil/ShareElfFile;
.super Ljava/lang/Object;

# interfaces
.implements Ljava/io/Closeable;


# annotations
.annotation system Ldalvik/annotation/MemberClasses;
    value = {
        Lcom/tencent/tinker/loader/shareutil/ShareElfFile$SectionHeader;,
        Lcom/tencent/tinker/loader/shareutil/ShareElfFile$ProgramHeader;,
        Lcom/tencent/tinker/loader/shareutil/ShareElfFile$ElfHeader;
    }
.end annotation


# static fields
.field public static final FILE_TYPE_ELF:I = 0x1

.field public static final FILE_TYPE_ODEX:I = 0x0

.field public static final FILE_TYPE_OTHERS:I = -0x1


# instance fields
.field public elfHeader:Lcom/tencent/tinker/loader/shareutil/ShareElfFile$ElfHeader;

.field private final fis:Ljava/io/FileInputStream;

.field public programHeaders:[Lcom/tencent/tinker/loader/shareutil/ShareElfFile$ProgramHeader;

.field public sectionHeaders:[Lcom/tencent/tinker/loader/shareutil/ShareElfFile$SectionHeader;

.field private final sectionNameToHeaderMap:Ljava/util/Map;
    .annotation system Ldalvik/annotation/Signature;
        value = {
            "Ljava/util/Map",
            "<",
            "Ljava/lang/String;",
            "Lcom/tencent/tinker/loader/shareutil/ShareElfFile$SectionHeader;",
            ">;"
        }
    .end annotation
.end field


# direct methods
.method public constructor <init>(Ljava/io/File;)V
    .registers 11

    const/4 v8, 0x4

    const/4 v1, 0x0

    const/4 v7, 0x0

    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    new-instance v0, Ljava/util/HashMap;

    invoke-direct {v0}, Ljava/util/HashMap;-><init>()V

    iput-object v0, p0, Lcom/tencent/tinker/loader/shareutil/ShareElfFile;->sectionNameToHeaderMap:Ljava/util/Map;

    iput-object v7, p0, Lcom/tencent/tinker/loader/shareutil/ShareElfFile;->elfHeader:Lcom/tencent/tinker/loader/shareutil/ShareElfFile$ElfHeader;

    iput-object v7, p0, Lcom/tencent/tinker/loader/shareutil/ShareElfFile;->programHeaders:[Lcom/tencent/tinker/loader/shareutil/ShareElfFile$ProgramHeader;

    iput-object v7, p0, Lcom/tencent/tinker/loader/shareutil/ShareElfFile;->sectionHeaders:[Lcom/tencent/tinker/loader/shareutil/ShareElfFile$SectionHeader;

    new-instance v0, Ljava/io/FileInputStream;

    invoke-direct {v0, p1}, Ljava/io/FileInputStream;-><init>(Ljava/io/File;)V

    iput-object v0, p0, Lcom/tencent/tinker/loader/shareutil/ShareElfFile;->fis:Ljava/io/FileInputStream;

    iget-object v0, p0, Lcom/tencent/tinker/loader/shareutil/ShareElfFile;->fis:Ljava/io/FileInputStream;

    invoke-virtual {v0}, Ljava/io/FileInputStream;->getChannel()Ljava/nio/channels/FileChannel;

    move-result-object v2

    new-instance v0, Lcom/tencent/tinker/loader/shareutil/ShareElfFile$ElfHeader;

    invoke-direct {v0, v2, v7}, Lcom/tencent/tinker/loader/shareutil/ShareElfFile$ElfHeader;-><init>(Ljava/nio/channels/FileChannel;Lcom/tencent/tinker/loader/shareutil/ShareElfFile$1;)V

    iput-object v0, p0, Lcom/tencent/tinker/loader/shareutil/ShareElfFile;->elfHeader:Lcom/tencent/tinker/loader/shareutil/ShareElfFile$ElfHeader;

    const/16 v0, 0x80

    invoke-static {v0}, Ljava/nio/ByteBuffer;->allocate(I)Ljava/nio/ByteBuffer;

    move-result-object v3

    iget-object v0, p0, Lcom/tencent/tinker/loader/shareutil/ShareElfFile;->elfHeader:Lcom/tencent/tinker/loader/shareutil/ShareElfFile$ElfHeader;

    iget-short v0, v0, Lcom/tencent/tinker/loader/shareutil/ShareElfFile$ElfHeader;->ePhEntSize:S

    invoke-virtual {v3, v0}, Ljava/nio/ByteBuffer;->limit(I)Ljava/nio/Buffer;

    iget-object v0, p0, Lcom/tencent/tinker/loader/shareutil/ShareElfFile;->elfHeader:Lcom/tencent/tinker/loader/shareutil/ShareElfFile$ElfHeader;

    iget-object v0, v0, Lcom/tencent/tinker/loader/shareutil/ShareElfFile$ElfHeader;->eIndent:[B

    const/4 v4, 0x5

    aget-byte v0, v0, v4

    const/4 v4, 0x1

    if-ne v0, v4, :cond_70

    sget-object v0, Ljava/nio/ByteOrder;->LITTLE_ENDIAN:Ljava/nio/ByteOrder;

    :goto_40
    invoke-virtual {v3, v0}, Ljava/nio/ByteBuffer;->order(Ljava/nio/ByteOrder;)Ljava/nio/ByteBuffer;

    iget-object v0, p0, Lcom/tencent/tinker/loader/shareutil/ShareElfFile;->elfHeader:Lcom/tencent/tinker/loader/shareutil/ShareElfFile$ElfHeader;

    iget-wide v4, v0, Lcom/tencent/tinker/loader/shareutil/ShareElfFile$ElfHeader;->ePhOff:J

    invoke-virtual {v2, v4, v5}, Ljava/nio/channels/FileChannel;->position(J)Ljava/nio/channels/FileChannel;

    iget-object v0, p0, Lcom/tencent/tinker/loader/shareutil/ShareElfFile;->elfHeader:Lcom/tencent/tinker/loader/shareutil/ShareElfFile$ElfHeader;

    iget-short v0, v0, Lcom/tencent/tinker/loader/shareutil/ShareElfFile$ElfHeader;->ePhNum:S

    new-array v0, v0, [Lcom/tencent/tinker/loader/shareutil/ShareElfFile$ProgramHeader;

    iput-object v0, p0, Lcom/tencent/tinker/loader/shareutil/ShareElfFile;->programHeaders:[Lcom/tencent/tinker/loader/shareutil/ShareElfFile$ProgramHeader;

    move v0, v1

    :goto_53
    iget-object v4, p0, Lcom/tencent/tinker/loader/shareutil/ShareElfFile;->programHeaders:[Lcom/tencent/tinker/loader/shareutil/ShareElfFile$ProgramHeader;

    array-length v4, v4

    if-ge v0, v4, :cond_73

    const-string/jumbo v4, "failed to read phdr."

    invoke-static {v2, v3, v4}, Lcom/tencent/tinker/loader/shareutil/ShareElfFile;->readUntilLimit(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;Ljava/lang/String;)V

    iget-object v4, p0, Lcom/tencent/tinker/loader/shareutil/ShareElfFile;->programHeaders:[Lcom/tencent/tinker/loader/shareutil/ShareElfFile$ProgramHeader;

    new-instance v5, Lcom/tencent/tinker/loader/shareutil/ShareElfFile$ProgramHeader;

    iget-object v6, p0, Lcom/tencent/tinker/loader/shareutil/ShareElfFile;->elfHeader:Lcom/tencent/tinker/loader/shareutil/ShareElfFile$ElfHeader;

    iget-object v6, v6, Lcom/tencent/tinker/loader/shareutil/ShareElfFile$ElfHeader;->eIndent:[B

    aget-byte v6, v6, v8

    invoke-direct {v5, v3, v6, v7}, Lcom/tencent/tinker/loader/shareutil/ShareElfFile$ProgramHeader;-><init>(Ljava/nio/ByteBuffer;ILcom/tencent/tinker/loader/shareutil/ShareElfFile$1;)V

    aput-object v5, v4, v0

    add-int/lit8 v0, v0, 0x1

    goto :goto_53

    :cond_70
    sget-object v0, Ljava/nio/ByteOrder;->BIG_ENDIAN:Ljava/nio/ByteOrder;

    goto :goto_40

    :cond_73
    iget-object v0, p0, Lcom/tencent/tinker/loader/shareutil/ShareElfFile;->elfHeader:Lcom/tencent/tinker/loader/shareutil/ShareElfFile$ElfHeader;

    iget-wide v4, v0, Lcom/tencent/tinker/loader/shareutil/ShareElfFile$ElfHeader;->eShOff:J

    invoke-virtual {v2, v4, v5}, Ljava/nio/channels/FileChannel;->position(J)Ljava/nio/channels/FileChannel;

    iget-object v0, p0, Lcom/tencent/tinker/loader/shareutil/ShareElfFile;->elfHeader:Lcom/tencent/tinker/loader/shareutil/ShareElfFile$ElfHeader;

    iget-short v0, v0, Lcom/tencent/tinker/loader/shareutil/ShareElfFile$ElfHeader;->eShEntSize:S

    invoke-virtual {v3, v0}, Ljava/nio/ByteBuffer;->limit(I)Ljava/nio/Buffer;

    iget-object v0, p0, Lcom/tencent/tinker/loader/shareutil/ShareElfFile;->elfHeader:Lcom/tencent/tinker/loader/shareutil/ShareElfFile$ElfHeader;

    iget-short v0, v0, Lcom/tencent/tinker/loader/shareutil/ShareElfFile$ElfHeader;->eShNum:S

    new-array v0, v0, [Lcom/tencent/tinker/loader/shareutil/ShareElfFile$SectionHeader;

    iput-object v0, p0, Lcom/tencent/tinker/loader/shareutil/ShareElfFile;->sectionHeaders:[Lcom/tencent/tinker/loader/shareutil/ShareElfFile$SectionHeader;

    move v0, v1

    :goto_8a
    iget-object v4, p0, Lcom/tencent/tinker/loader/shareutil/ShareElfFile;->sectionHeaders:[Lcom/tencent/tinker/loader/shareutil/ShareElfFile$SectionHeader;

    array-length v4, v4

    if-ge v0, v4, :cond_a7

    const-string/jumbo v4, "failed to read shdr."

    invoke-static {v2, v3, v4}, Lcom/tencent/tinker/loader/shareutil/ShareElfFile;->readUntilLimit(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;Ljava/lang/String;)V

    iget-object v4, p0, Lcom/tencent/tinker/loader/shareutil/ShareElfFile;->sectionHeaders:[Lcom/tencent/tinker/loader/shareutil/ShareElfFile$SectionHeader;

    new-instance v5, Lcom/tencent/tinker/loader/shareutil/ShareElfFile$SectionHeader;

    iget-object v6, p0, Lcom/tencent/tinker/loader/shareutil/ShareElfFile;->elfHeader:Lcom/tencent/tinker/loader/shareutil/ShareElfFile$ElfHeader;

    iget-object v6, v6, Lcom/tencent/tinker/loader/shareutil/ShareElfFile$ElfHeader;->eIndent:[B

    aget-byte v6, v6, v8

    invoke-direct {v5, v3, v6, v7}, Lcom/tencent/tinker/loader/shareutil/ShareElfFile$SectionHeader;-><init>(Ljava/nio/ByteBuffer;ILcom/tencent/tinker/loader/shareutil/ShareElfFile$1;)V

    aput-object v5, v4, v0

    add-int/lit8 v0, v0, 0x1

    goto :goto_8a

    :cond_a7
    iget-object v0, p0, Lcom/tencent/tinker/loader/shareutil/ShareElfFile;->elfHeader:Lcom/tencent/tinker/loader/shareutil/ShareElfFile$ElfHeader;

    iget-short v0, v0, Lcom/tencent/tinker/loader/shareutil/ShareElfFile$ElfHeader;->eShStrNdx:S

    if-lez v0, :cond_d5

    iget-object v0, p0, Lcom/tencent/tinker/loader/shareutil/ShareElfFile;->sectionHeaders:[Lcom/tencent/tinker/loader/shareutil/ShareElfFile$SectionHeader;

    iget-object v2, p0, Lcom/tencent/tinker/loader/shareutil/ShareElfFile;->elfHeader:Lcom/tencent/tinker/loader/shareutil/ShareElfFile$ElfHeader;

    iget-short v2, v2, Lcom/tencent/tinker/loader/shareutil/ShareElfFile$ElfHeader;->eShStrNdx:S

    aget-object v0, v0, v2

    invoke-virtual {p0, v0}, Lcom/tencent/tinker/loader/shareutil/ShareElfFile;->getSection(Lcom/tencent/tinker/loader/shareutil/ShareElfFile$SectionHeader;)Ljava/nio/ByteBuffer;

    move-result-object v0

    iget-object v2, p0, Lcom/tencent/tinker/loader/shareutil/ShareElfFile;->sectionHeaders:[Lcom/tencent/tinker/loader/shareutil/ShareElfFile$SectionHeader;

    array-length v3, v2

    :goto_bc
    if-ge v1, v3, :cond_d5

    aget-object v4, v2, v1

    iget v5, v4, Lcom/tencent/tinker/loader/shareutil/ShareElfFile$SectionHeader;->shName:I

    invoke-virtual {v0, v5}, Ljava/nio/ByteBuffer;->position(I)Ljava/nio/Buffer;

    invoke-static {v0}, Lcom/tencent/tinker/loader/shareutil/ShareElfFile;->readCString(Ljava/nio/ByteBuffer;)Ljava/lang/String;

    move-result-object v5

    iput-object v5, v4, Lcom/tencent/tinker/loader/shareutil/ShareElfFile$SectionHeader;->shNameStr:Ljava/lang/String;

    iget-object v5, p0, Lcom/tencent/tinker/loader/shareutil/ShareElfFile;->sectionNameToHeaderMap:Ljava/util/Map;

    iget-object v6, v4, Lcom/tencent/tinker/loader/shareutil/ShareElfFile$SectionHeader;->shNameStr:Ljava/lang/String;

    invoke-interface {v5, v6, v4}, Ljava/util/Map;->put(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;

    add-int/lit8 v1, v1, 0x1

    goto :goto_bc

    :cond_d5
    return-void
.end method

.method static synthetic access$300(IIILjava/lang/String;)V
    .registers 4

    invoke-static {p0, p1, p2, p3}, Lcom/tencent/tinker/loader/shareutil/ShareElfFile;->assertInRange(IIILjava/lang/String;)V

    return-void
.end method

.method private static assertInRange(IIILjava/lang/String;)V
    .registers 5

    if-lt p0, p1, :cond_4

    if-le p0, p2, :cond_a

    :cond_4
    new-instance v0, Ljava/io/IOException;

    invoke-direct {v0, p3}, Ljava/io/IOException;-><init>(Ljava/lang/String;)V

    throw v0

    :cond_a
    return-void
.end method

.method public static getFileTypeByMagic(Ljava/io/File;)I
    .registers 7

    const/4 v1, 0x1

    const/4 v0, 0x0

    const/4 v3, 0x0

    const/4 v2, 0x4

    :try_start_4
    new-array v4, v2, [B

    new-instance v2, Ljava/io/FileInputStream;

    invoke-direct {v2, p0}, Ljava/io/FileInputStream;-><init>(Ljava/io/File;)V
    :try_end_b
    .catchall {:try_start_4 .. :try_end_b} :catchall_5c

    :try_start_b
    invoke-virtual {v2, v4}, Ljava/io/InputStream;->read([B)I

    const/4 v3, 0x0

    aget-byte v3, v4, v3

    const/16 v5, 0x64

    if-ne v3, v5, :cond_30

    const/4 v3, 0x1

    aget-byte v3, v4, v3

    const/16 v5, 0x65

    if-ne v3, v5, :cond_30

    const/4 v3, 0x2

    aget-byte v3, v4, v3

    const/16 v5, 0x79

    if-ne v3, v5, :cond_30

    const/4 v3, 0x3

    aget-byte v3, v4, v3
    :try_end_26
    .catchall {:try_start_b .. :try_end_26} :catchall_6a

    const/16 v5, 0xa

    if-ne v3, v5, :cond_30

    if-eqz v2, :cond_2f

    :try_start_2c
    invoke-virtual {v2}, Ljava/io/InputStream;->close()V
    :try_end_2f
    .catch Ljava/lang/Throwable; {:try_start_2c .. :try_end_2f} :catch_64

    :cond_2f
    :goto_2f
    return v0

    :cond_30
    const/4 v0, 0x0

    :try_start_31
    aget-byte v0, v4, v0

    const/16 v3, 0x7f

    if-ne v0, v3, :cond_53

    const/4 v0, 0x1

    aget-byte v0, v4, v0

    const/16 v3, 0x45

    if-ne v0, v3, :cond_53

    const/4 v0, 0x2

    aget-byte v0, v4, v0

    const/16 v3, 0x4c

    if-ne v0, v3, :cond_53

    const/4 v0, 0x3

    aget-byte v0, v4, v0
    :try_end_48
    .catchall {:try_start_31 .. :try_end_48} :catchall_6a

    const/16 v3, 0x46

    if-ne v0, v3, :cond_53

    if-eqz v2, :cond_51

    :try_start_4e
    invoke-virtual {v2}, Ljava/io/InputStream;->close()V
    :try_end_51
    .catch Ljava/lang/Throwable; {:try_start_4e .. :try_end_51} :catch_66

    :cond_51
    :goto_51
    move v0, v1

    goto :goto_2f

    :cond_53
    const/4 v0, -0x1

    if-eqz v2, :cond_2f

    :try_start_56
    invoke-virtual {v2}, Ljava/io/InputStream;->close()V
    :try_end_59
    .catch Ljava/lang/Throwable; {:try_start_56 .. :try_end_59} :catch_5a

    goto :goto_2f

    :catch_5a
    move-exception v1

    goto :goto_2f

    :catchall_5c
    move-exception v0

    move-object v1, v3

    :goto_5e
    if-eqz v1, :cond_63

    :try_start_60
    invoke-virtual {v1}, Ljava/io/InputStream;->close()V
    :try_end_63
    .catch Ljava/lang/Throwable; {:try_start_60 .. :try_end_63} :catch_68

    :cond_63
    :goto_63
    throw v0

    :catch_64
    move-exception v1

    goto :goto_2f

    :catch_66
    move-exception v0

    goto :goto_51

    :catch_68
    move-exception v1

    goto :goto_63

    :catchall_6a
    move-exception v0

    move-object v1, v2

    goto :goto_5e
.end method

.method public static readCString(Ljava/nio/ByteBuffer;)Ljava/lang/String;
    .registers 6

    invoke-virtual {p0}, Ljava/nio/ByteBuffer;->array()[B

    move-result-object v0

    invoke-virtual {p0}, Ljava/nio/ByteBuffer;->position()I

    move-result v1

    :goto_8
    invoke-virtual {p0}, Ljava/nio/ByteBuffer;->hasRemaining()Z

    move-result v2

    if-eqz v2, :cond_20

    invoke-virtual {p0}, Ljava/nio/ByteBuffer;->position()I

    move-result v2

    aget-byte v2, v0, v2

    if-eqz v2, :cond_20

    invoke-virtual {p0}, Ljava/nio/ByteBuffer;->position()I

    move-result v2

    add-int/lit8 v2, v2, 0x1

    invoke-virtual {p0, v2}, Ljava/nio/ByteBuffer;->position(I)Ljava/nio/Buffer;

    goto :goto_8

    :cond_20
    invoke-virtual {p0}, Ljava/nio/ByteBuffer;->position()I

    move-result v2

    add-int/lit8 v2, v2, 0x1

    invoke-virtual {p0, v2}, Ljava/nio/ByteBuffer;->position(I)Ljava/nio/Buffer;

    new-instance v2, Ljava/lang/String;

    invoke-virtual {p0}, Ljava/nio/ByteBuffer;->position()I

    move-result v3

    sub-int/2addr v3, v1

    add-int/lit8 v3, v3, -0x1

    const-string/jumbo v4, "ASCII"

    invoke-static {v4}, Ljava/nio/charset/Charset;->forName(Ljava/lang/String;)Ljava/nio/charset/Charset;

    move-result-object v4

    invoke-direct {v2, v0, v1, v3, v4}, Ljava/lang/String;-><init>([BIILjava/nio/charset/Charset;)V

    return-object v2
.end method

.method public static readUntilLimit(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;Ljava/lang/String;)V
    .registers 7

    invoke-virtual {p1}, Ljava/nio/ByteBuffer;->rewind()Ljava/nio/Buffer;

    invoke-virtual {p0, p1}, Ljava/nio/channels/FileChannel;->read(Ljava/nio/ByteBuffer;)I

    move-result v0

    invoke-virtual {p1}, Ljava/nio/ByteBuffer;->limit()I

    move-result v1

    if-eq v0, v1, :cond_41

    new-instance v1, Ljava/io/IOException;

    new-instance v2, Ljava/lang/StringBuilder;

    invoke-direct {v2}, Ljava/lang/StringBuilder;-><init>()V

    invoke-virtual {v2, p2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v2

    const-string/jumbo v3, " Rest bytes insufficient, expect to read "

    invoke-virtual {v2, v3}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v2

    invoke-virtual {p1}, Ljava/nio/ByteBuffer;->limit()I

    move-result v3

    invoke-virtual {v2, v3}, Ljava/lang/StringBuilder;->append(I)Ljava/lang/StringBuilder;

    move-result-object v2

    const-string/jumbo v3, " bytes but only "

    invoke-virtual {v2, v3}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v2

    invoke-virtual {v2, v0}, Ljava/lang/StringBuilder;->append(I)Ljava/lang/StringBuilder;

    move-result-object v0

    const-string/jumbo v2, " bytes were read."

    invoke-virtual {v0, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v0

    invoke-virtual {v0}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v0

    invoke-direct {v1, v0}, Ljava/io/IOException;-><init>(Ljava/lang/String;)V

    throw v1

    :cond_41
    invoke-virtual {p1}, Ljava/nio/ByteBuffer;->flip()Ljava/nio/Buffer;

    return-void
.end method


# virtual methods
.method public close()V
    .registers 3

    const/4 v1, 0x0

    iget-object v0, p0, Lcom/tencent/tinker/loader/shareutil/ShareElfFile;->fis:Ljava/io/FileInputStream;

    invoke-virtual {v0}, Ljava/io/FileInputStream;->close()V

    iget-object v0, p0, Lcom/tencent/tinker/loader/shareutil/ShareElfFile;->sectionNameToHeaderMap:Ljava/util/Map;

    invoke-interface {v0}, Ljava/util/Map;->clear()V

    iput-object v1, p0, Lcom/tencent/tinker/loader/shareutil/ShareElfFile;->programHeaders:[Lcom/tencent/tinker/loader/shareutil/ShareElfFile$ProgramHeader;

    iput-object v1, p0, Lcom/tencent/tinker/loader/shareutil/ShareElfFile;->sectionHeaders:[Lcom/tencent/tinker/loader/shareutil/ShareElfFile$SectionHeader;

    return-void
.end method

.method public getChannel()Ljava/nio/channels/FileChannel;
    .registers 2

    iget-object v0, p0, Lcom/tencent/tinker/loader/shareutil/ShareElfFile;->fis:Ljava/io/FileInputStream;

    invoke-virtual {v0}, Ljava/io/FileInputStream;->getChannel()Ljava/nio/channels/FileChannel;

    move-result-object v0

    return-object v0
.end method

.method public getDataOrder()Ljava/nio/ByteOrder;
    .registers 3

    iget-object v0, p0, Lcom/tencent/tinker/loader/shareutil/ShareElfFile;->elfHeader:Lcom/tencent/tinker/loader/shareutil/ShareElfFile$ElfHeader;

    iget-object v0, v0, Lcom/tencent/tinker/loader/shareutil/ShareElfFile$ElfHeader;->eIndent:[B

    const/4 v1, 0x5

    aget-byte v0, v0, v1

    const/4 v1, 0x1

    if-ne v0, v1, :cond_d

    sget-object v0, Ljava/nio/ByteOrder;->LITTLE_ENDIAN:Ljava/nio/ByteOrder;

    :goto_c
    return-object v0

    :cond_d
    sget-object v0, Ljava/nio/ByteOrder;->BIG_ENDIAN:Ljava/nio/ByteOrder;

    goto :goto_c
.end method

.method public getSection(Lcom/tencent/tinker/loader/shareutil/ShareElfFile$SectionHeader;)Ljava/nio/ByteBuffer;
    .registers 6

    iget-wide v0, p1, Lcom/tencent/tinker/loader/shareutil/ShareElfFile$SectionHeader;->shSize:J

    long-to-int v0, v0

    invoke-static {v0}, Ljava/nio/ByteBuffer;->allocate(I)Ljava/nio/ByteBuffer;

    move-result-object v0

    iget-object v1, p0, Lcom/tencent/tinker/loader/shareutil/ShareElfFile;->fis:Ljava/io/FileInputStream;

    invoke-virtual {v1}, Ljava/io/FileInputStream;->getChannel()Ljava/nio/channels/FileChannel;

    move-result-object v1

    iget-wide v2, p1, Lcom/tencent/tinker/loader/shareutil/ShareElfFile$SectionHeader;->shOffset:J

    invoke-virtual {v1, v2, v3}, Ljava/nio/channels/FileChannel;->position(J)Ljava/nio/channels/FileChannel;

    iget-object v1, p0, Lcom/tencent/tinker/loader/shareutil/ShareElfFile;->fis:Ljava/io/FileInputStream;

    invoke-virtual {v1}, Ljava/io/FileInputStream;->getChannel()Ljava/nio/channels/FileChannel;

    move-result-object v1

    new-instance v2, Ljava/lang/StringBuilder;

    invoke-direct {v2}, Ljava/lang/StringBuilder;-><init>()V

    const-string/jumbo v3, "failed to read section: "

    invoke-virtual {v2, v3}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v2

    iget-object v3, p1, Lcom/tencent/tinker/loader/shareutil/ShareElfFile$SectionHeader;->shNameStr:Ljava/lang/String;

    invoke-virtual {v2, v3}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v2

    invoke-virtual {v2}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v2

    invoke-static {v1, v0, v2}, Lcom/tencent/tinker/loader/shareutil/ShareElfFile;->readUntilLimit(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;Ljava/lang/String;)V

    return-object v0
.end method

.method public getSectionHeaderByName(Ljava/lang/String;)Lcom/tencent/tinker/loader/shareutil/ShareElfFile$SectionHeader;
    .registers 3

    iget-object v0, p0, Lcom/tencent/tinker/loader/shareutil/ShareElfFile;->sectionNameToHeaderMap:Ljava/util/Map;

    invoke-interface {v0, p1}, Ljava/util/Map;->get(Ljava/lang/Object;)Ljava/lang/Object;

    move-result-object v0

    check-cast v0, Lcom/tencent/tinker/loader/shareutil/ShareElfFile$SectionHeader;

    return-object v0
.end method

.method public getSegment(Lcom/tencent/tinker/loader/shareutil/ShareElfFile$ProgramHeader;)Ljava/nio/ByteBuffer;
    .registers 6

    iget-wide v0, p1, Lcom/tencent/tinker/loader/shareutil/ShareElfFile$ProgramHeader;->pFileSize:J

    long-to-int v0, v0

    invoke-static {v0}, Ljava/nio/ByteBuffer;->allocate(I)Ljava/nio/ByteBuffer;

    move-result-object v0

    iget-object v1, p0, Lcom/tencent/tinker/loader/shareutil/ShareElfFile;->fis:Ljava/io/FileInputStream;

    invoke-virtual {v1}, Ljava/io/FileInputStream;->getChannel()Ljava/nio/channels/FileChannel;

    move-result-object v1

    iget-wide v2, p1, Lcom/tencent/tinker/loader/shareutil/ShareElfFile$ProgramHeader;->pOffset:J

    invoke-virtual {v1, v2, v3}, Ljava/nio/channels/FileChannel;->position(J)Ljava/nio/channels/FileChannel;

    iget-object v1, p0, Lcom/tencent/tinker/loader/shareutil/ShareElfFile;->fis:Ljava/io/FileInputStream;

    invoke-virtual {v1}, Ljava/io/FileInputStream;->getChannel()Ljava/nio/channels/FileChannel;

    move-result-object v1

    new-instance v2, Ljava/lang/StringBuilder;

    invoke-direct {v2}, Ljava/lang/StringBuilder;-><init>()V

    const-string/jumbo v3, "failed to read segment (type: "

    invoke-virtual {v2, v3}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v2

    iget v3, p1, Lcom/tencent/tinker/loader/shareutil/ShareElfFile$ProgramHeader;->pType:I

    invoke-virtual {v2, v3}, Ljava/lang/StringBuilder;->append(I)Ljava/lang/StringBuilder;

    move-result-object v2

    const-string/jumbo v3, ")."

    invoke-virtual {v2, v3}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v2

    invoke-virtual {v2}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v2

    invoke-static {v1, v0, v2}, Lcom/tencent/tinker/loader/shareutil/ShareElfFile;->readUntilLimit(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;Ljava/lang/String;)V

    return-object v0
.end method

.method public is32BitElf()Z
    .registers 4

    const/4 v0, 0x1

    iget-object v1, p0, Lcom/tencent/tinker/loader/shareutil/ShareElfFile;->elfHeader:Lcom/tencent/tinker/loader/shareutil/ShareElfFile$ElfHeader;

    iget-object v1, v1, Lcom/tencent/tinker/loader/shareutil/ShareElfFile$ElfHeader;->eIndent:[B

    const/4 v2, 0x4

    aget-byte v1, v1, v2

    if-ne v1, v0, :cond_b

    :goto_a
    return v0

    :cond_b
    const/4 v0, 0x0

    goto :goto_a
.end method