Files
vtosters/smali/smali_classes2/com/facebook/soloader/MinElf.smali
T
2022-03-24 19:37:43 +03:00

1046 lines
20 KiB
Smali

.class public final Lcom/facebook/soloader/MinElf;
.super Ljava/lang/Object;
.source "MinElf.java"
# annotations
.annotation system Ldalvik/annotation/MemberClasses;
value = {
Lcom/facebook/soloader/MinElf$ElfError;
}
.end annotation
# static fields
.field public static final DT_NEEDED:I = 0x1
.field public static final DT_NULL:I = 0x0
.field public static final DT_STRTAB:I = 0x5
.field public static final ELF_MAGIC:I = 0x464c457f
.field public static final PN_XNUM:I = 0xffff
.field public static final PT_DYNAMIC:I = 0x2
.field public static final PT_LOAD:I = 0x1
# direct methods
.method public constructor <init>()V
.locals 0
.line 32
invoke-direct {p0}, Ljava/lang/Object;-><init>()V
return-void
.end method
.method public static extract_DT_NEEDED(Ljava/io/File;)[Ljava/lang/String;
.locals 1
.annotation system Ldalvik/annotation/Throws;
value = {
Ljava/io/IOException;
}
.end annotation
.line 46
new-instance v0, Ljava/io/FileInputStream;
invoke-direct {v0, p0}, Ljava/io/FileInputStream;-><init>(Ljava/io/File;)V
.line 48
:try_start_0
invoke-virtual {v0}, Ljava/io/FileInputStream;->getChannel()Ljava/nio/channels/FileChannel;
move-result-object p0
invoke-static {p0}, Lcom/facebook/soloader/MinElf;->extract_DT_NEEDED(Ljava/nio/channels/FileChannel;)[Ljava/lang/String;
move-result-object p0
:try_end_0
.catchall {:try_start_0 .. :try_end_0} :catchall_0
.line 50
invoke-virtual {v0}, Ljava/io/FileInputStream;->close()V
return-object p0
:catchall_0
move-exception p0
invoke-virtual {v0}, Ljava/io/FileInputStream;->close()V
.line 51
throw p0
.end method
.method public static extract_DT_NEEDED(Ljava/nio/channels/FileChannel;)[Ljava/lang/String;
.locals 35
.annotation system Ldalvik/annotation/Throws;
value = {
Ljava/io/IOException;
}
.end annotation
move-object/from16 v0, p0
const/16 v1, 0x8
.line 68
invoke-static {v1}, Ljava/nio/ByteBuffer;->allocate(I)Ljava/nio/ByteBuffer;
move-result-object v1
.line 72
sget-object v2, Ljava/nio/ByteOrder;->LITTLE_ENDIAN:Ljava/nio/ByteOrder;
invoke-virtual {v1, v2}, Ljava/nio/ByteBuffer;->order(Ljava/nio/ByteOrder;)Ljava/nio/ByteBuffer;
const-wide/16 v2, 0x0
.line 73
invoke-static {v0, v1, v2, v3}, Lcom/facebook/soloader/MinElf;->getu32(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;J)J
move-result-wide v4
const-wide/32 v6, 0x464c457f
cmp-long v8, v4, v6
if-eqz v8, :cond_0
.line 74
new-instance v0, Lcom/facebook/soloader/MinElf$ElfError;
const-string v1, "file is not ELF"
invoke-direct {v0, v1}, Lcom/facebook/soloader/MinElf$ElfError;-><init>(Ljava/lang/String;)V
throw v0
:cond_0
const-wide/16 v4, 0x4
.line 77
invoke-static {v0, v1, v4, v5}, Lcom/facebook/soloader/MinElf;->getu8(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;J)S
move-result v6
const/4 v8, 0x1
if-ne v6, v8, :cond_1
goto :goto_0
:cond_1
const/4 v8, 0x0
:goto_0
const-wide/16 v9, 0x5
.line 78
invoke-static {v0, v1, v9, v10}, Lcom/facebook/soloader/MinElf;->getu8(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;J)S
move-result v6
const/4 v11, 0x2
if-ne v6, v11, :cond_2
.line 79
sget-object v6, Ljava/nio/ByteOrder;->BIG_ENDIAN:Ljava/nio/ByteOrder;
invoke-virtual {v1, v6}, Ljava/nio/ByteBuffer;->order(Ljava/nio/ByteOrder;)Ljava/nio/ByteBuffer;
:cond_2
const-wide/16 v11, 0x20
const-wide/16 v13, 0x1c
if-eqz v8, :cond_3
.line 87
invoke-static {v0, v1, v13, v14}, Lcom/facebook/soloader/MinElf;->getu32(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;J)J
move-result-wide v15
goto :goto_1
.line 88
:cond_3
invoke-static {v0, v1, v11, v12}, Lcom/facebook/soloader/MinElf;->get64(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;J)J
move-result-wide v15
:goto_1
const-wide/16 v9, 0x2c
if-eqz v8, :cond_4
.line 91
invoke-static {v0, v1, v9, v10}, Lcom/facebook/soloader/MinElf;->getu16(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;J)I
move-result v6
int-to-long v4, v6
goto :goto_2
:cond_4
const-wide/16 v4, 0x38
.line 92
invoke-static {v0, v1, v4, v5}, Lcom/facebook/soloader/MinElf;->getu16(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;J)I
move-result v4
int-to-long v4, v4
:goto_2
if-eqz v8, :cond_5
const-wide/16 v2, 0x2a
.line 95
invoke-static {v0, v1, v2, v3}, Lcom/facebook/soloader/MinElf;->getu16(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;J)I
move-result v2
goto :goto_3
:cond_5
const-wide/16 v2, 0x36
.line 96
invoke-static {v0, v1, v2, v3}, Lcom/facebook/soloader/MinElf;->getu16(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;J)I
move-result v2
:goto_3
const-wide/32 v23, 0xffff
cmp-long v3, v4, v23
const-wide/16 v9, 0x28
if-nez v3, :cond_8
if-eqz v8, :cond_6
.line 101
invoke-static {v0, v1, v11, v12}, Lcom/facebook/soloader/MinElf;->getu32(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;J)J
move-result-wide v3
goto :goto_4
.line 102
:cond_6
invoke-static {v0, v1, v9, v10}, Lcom/facebook/soloader/MinElf;->get64(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;J)J
move-result-wide v3
:goto_4
if-eqz v8, :cond_7
add-long v5, v3, v13
.line 105
invoke-static {v0, v1, v5, v6}, Lcom/facebook/soloader/MinElf;->getu32(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;J)J
move-result-wide v3
:goto_5
move-wide v4, v3
goto :goto_6
:cond_7
const/4 v5, 0x0
const-wide/16 v5, 0x2c
add-long v11, v3, v5
.line 106
invoke-static {v0, v1, v11, v12}, Lcom/facebook/soloader/MinElf;->getu32(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;J)J
move-result-wide v3
goto :goto_5
:cond_8
:goto_6
move-wide v13, v15
const-wide/16 v11, 0x0
:goto_7
cmp-long v3, v11, v4
const-wide/16 v23, 0x1
const-wide/16 v25, 0x8
if-gez v3, :cond_c
if-eqz v8, :cond_9
const-wide/16 v21, 0x0
add-long v9, v13, v21
.line 116
invoke-static {v0, v1, v9, v10}, Lcom/facebook/soloader/MinElf;->getu32(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;J)J
move-result-wide v9
goto :goto_8
:cond_9
const-wide/16 v21, 0x0
const/4 v3, 0x0
add-long v9, v13, v21
.line 117
invoke-static {v0, v1, v9, v10}, Lcom/facebook/soloader/MinElf;->getu32(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;J)J
move-result-wide v9
:goto_8
const-wide/16 v27, 0x2
cmp-long v3, v9, v27
if-nez v3, :cond_b
if-eqz v8, :cond_a
const-wide/16 v9, 0x4
add-long v11, v13, v9
.line 121
invoke-static {v0, v1, v11, v12}, Lcom/facebook/soloader/MinElf;->getu32(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;J)J
move-result-wide v9
goto :goto_9
:cond_a
const/4 v3, 0x0
add-long v9, v13, v25
.line 122
invoke-static {v0, v1, v9, v10}, Lcom/facebook/soloader/MinElf;->get64(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;J)J
move-result-wide v9
goto :goto_9
:cond_b
int-to-long v9, v2
add-long v25, v13, v9
add-long v9, v11, v23
move-wide v11, v9
move-wide/from16 v13, v25
const-wide/16 v9, 0x28
goto :goto_7
:cond_c
const-wide/16 v9, 0x0
:goto_9
const-wide/16 v21, 0x0
cmp-long v3, v9, v21
if-nez v3, :cond_d
.line 132
new-instance v0, Lcom/facebook/soloader/MinElf$ElfError;
const-string v1, "ELF file does not contain dynamic linking information"
invoke-direct {v0, v1}, Lcom/facebook/soloader/MinElf$ElfError;-><init>(Ljava/lang/String;)V
throw v0
:cond_d
move-wide v11, v9
move-wide/from16 v13, v21
const/4 v3, 0x0
:goto_a
if-eqz v8, :cond_e
move/from16 v29, v8
add-long v7, v11, v21
.line 146
invoke-static {v0, v1, v7, v8}, Lcom/facebook/soloader/MinElf;->getu32(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;J)J
move-result-wide v6
goto :goto_b
:cond_e
move/from16 v29, v8
const/4 v6, 0x0
add-long v6, v11, v21
.line 147
invoke-static {v0, v1, v6, v7}, Lcom/facebook/soloader/MinElf;->get64(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;J)J
move-result-wide v6
:goto_b
cmp-long v8, v6, v23
move-wide/from16 v30, v9
const v9, 0x7fffffff
if-nez v8, :cond_10
if-ne v3, v9, :cond_f
.line 151
new-instance v0, Lcom/facebook/soloader/MinElf$ElfError;
const-string v1, "malformed DT_NEEDED section"
invoke-direct {v0, v1}, Lcom/facebook/soloader/MinElf$ElfError;-><init>(Ljava/lang/String;)V
throw v0
:cond_f
add-int/lit8 v3, v3, 0x1
const-wide/16 v17, 0x5
goto :goto_d
:cond_10
const-wide/16 v17, 0x5
cmp-long v8, v6, v17
if-nez v8, :cond_12
if-eqz v29, :cond_11
const-wide/16 v13, 0x4
add-long v9, v11, v13
.line 157
invoke-static {v0, v1, v9, v10}, Lcom/facebook/soloader/MinElf;->getu32(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;J)J
move-result-wide v8
goto :goto_c
:cond_11
const/4 v8, 0x0
add-long v8, v11, v25
.line 158
invoke-static {v0, v1, v8, v9}, Lcom/facebook/soloader/MinElf;->get64(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;J)J
move-result-wide v8
:goto_c
move-wide v13, v8
:cond_12
:goto_d
if-eqz v29, :cond_13
move-wide/from16 v27, v25
goto :goto_e
:cond_13
const-wide/16 v27, 0x10
:goto_e
const/4 v10, 0x0
add-long v32, v11, v27
const-wide/16 v10, 0x0
cmp-long v12, v6, v10
if-nez v12, :cond_24
cmp-long v6, v13, v10
if-nez v6, :cond_14
.line 165
new-instance v0, Lcom/facebook/soloader/MinElf$ElfError;
const-string v1, "Dynamic section string-table not found"
invoke-direct {v0, v1}, Lcom/facebook/soloader/MinElf$ElfError;-><init>(Ljava/lang/String;)V
throw v0
:cond_14
const/4 v6, 0x0
:goto_f
int-to-long v8, v6
cmp-long v7, v8, v4
if-gez v7, :cond_1b
if-eqz v29, :cond_15
add-long v7, v15, v10
.line 175
invoke-static {v0, v1, v7, v8}, Lcom/facebook/soloader/MinElf;->getu32(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;J)J
move-result-wide v7
goto :goto_10
:cond_15
const/4 v7, 0x0
add-long v7, v15, v10
.line 176
invoke-static {v0, v1, v7, v8}, Lcom/facebook/soloader/MinElf;->getu32(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;J)J
move-result-wide v7
:goto_10
cmp-long v9, v7, v23
if-nez v9, :cond_19
if-eqz v29, :cond_16
add-long v7, v15, v25
.line 180
invoke-static {v0, v1, v7, v8}, Lcom/facebook/soloader/MinElf;->getu32(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;J)J
move-result-wide v7
move-wide v9, v7
const-wide/16 v7, 0x10
goto :goto_11
:cond_16
const/4 v7, 0x0
const-wide/16 v7, 0x10
add-long v9, v15, v7
.line 181
invoke-static {v0, v1, v9, v10}, Lcom/facebook/soloader/MinElf;->get64(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;J)J
move-result-wide v9
:goto_11
if-eqz v29, :cond_17
const-wide/16 v11, 0x14
add-long v7, v15, v11
.line 184
invoke-static {v0, v1, v7, v8}, Lcom/facebook/soloader/MinElf;->getu32(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;J)J
move-result-wide v7
move-wide v11, v7
const-wide/16 v7, 0x28
goto :goto_12
:cond_17
const/4 v7, 0x0
const-wide/16 v7, 0x28
add-long v11, v15, v7
.line 185
invoke-static {v0, v1, v11, v12}, Lcom/facebook/soloader/MinElf;->get64(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;J)J
move-result-wide v11
:goto_12
cmp-long v17, v9, v13
if-gtz v17, :cond_1a
add-long v17, v9, v11
cmp-long v11, v13, v17
if-gez v11, :cond_1a
if-eqz v29, :cond_18
const-wide/16 v4, 0x4
add-long v6, v15, v4
.line 189
invoke-static {v0, v1, v6, v7}, Lcom/facebook/soloader/MinElf;->getu32(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;J)J
move-result-wide v4
goto :goto_13
:cond_18
const/4 v2, 0x0
add-long v4, v15, v25
.line 190
invoke-static {v0, v1, v4, v5}, Lcom/facebook/soloader/MinElf;->get64(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;J)J
move-result-wide v4
:goto_13
const/4 v2, 0x0
sub-long v6, v13, v9
add-long v8, v4, v6
move-wide v9, v8
const-wide/16 v4, 0x0
goto :goto_14
:cond_19
const-wide/16 v7, 0x28
:cond_1a
int-to-long v9, v2
add-long v11, v15, v9
add-int/lit8 v6, v6, 0x1
move-wide v15, v11
const-wide/16 v10, 0x0
goto :goto_f
:cond_1b
const-wide/16 v4, 0x0
const-wide/16 v9, 0x0
:goto_14
cmp-long v2, v9, v4
if-nez v2, :cond_1c
.line 201
new-instance v0, Lcom/facebook/soloader/MinElf$ElfError;
const-string v1, "did not find file offset of DT_STRTAB table"
invoke-direct {v0, v1}, Lcom/facebook/soloader/MinElf$ElfError;-><init>(Ljava/lang/String;)V
throw v0
.line 204
:cond_1c
new-array v6, v3, [Ljava/lang/String;
const/4 v2, 0x0
:goto_15
if-eqz v29, :cond_1d
add-long v7, v30, v4
.line 211
invoke-static {v0, v1, v7, v8}, Lcom/facebook/soloader/MinElf;->getu32(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;J)J
move-result-wide v7
goto :goto_16
:cond_1d
const/4 v3, 0x0
add-long v7, v30, v4
.line 212
invoke-static {v0, v1, v7, v8}, Lcom/facebook/soloader/MinElf;->get64(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;J)J
move-result-wide v7
:goto_16
cmp-long v3, v7, v23
if-nez v3, :cond_20
if-eqz v29, :cond_1e
const-wide/16 v11, 0x4
add-long v4, v30, v11
.line 216
invoke-static {v0, v1, v4, v5}, Lcom/facebook/soloader/MinElf;->getu32(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;J)J
move-result-wide v3
goto :goto_17
:cond_1e
const-wide/16 v11, 0x4
const/4 v3, 0x0
add-long v3, v30, v25
.line 217
invoke-static {v0, v1, v3, v4}, Lcom/facebook/soloader/MinElf;->get64(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;J)J
move-result-wide v3
:goto_17
const/4 v5, 0x0
add-long v13, v9, v3
.line 219
invoke-static {v0, v1, v13, v14}, Lcom/facebook/soloader/MinElf;->getSz(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;J)Ljava/lang/String;
move-result-object v3
aput-object v3, v6, v2
const v3, 0x7fffffff
if-ne v2, v3, :cond_1f
.line 221
new-instance v0, Lcom/facebook/soloader/MinElf$ElfError;
const-string v1, "malformed DT_NEEDED section"
invoke-direct {v0, v1}, Lcom/facebook/soloader/MinElf$ElfError;-><init>(Ljava/lang/String;)V
throw v0
:cond_1f
add-int/lit8 v2, v2, 0x1
goto :goto_18
:cond_20
const v3, 0x7fffffff
const-wide/16 v11, 0x4
:goto_18
if-eqz v29, :cond_21
move-wide/from16 v4, v25
goto :goto_19
:cond_21
const-wide/16 v4, 0x10
:goto_19
const/4 v13, 0x0
add-long v13, v30, v4
const-wide/16 v19, 0x0
cmp-long v4, v7, v19
if-nez v4, :cond_23
.line 230
array-length v0, v6
if-eq v2, v0, :cond_22
.line 231
new-instance v0, Lcom/facebook/soloader/MinElf$ElfError;
const-string v1, "malformed DT_NEEDED section"
invoke-direct {v0, v1}, Lcom/facebook/soloader/MinElf$ElfError;-><init>(Ljava/lang/String;)V
throw v0
:cond_22
return-object v6
:cond_23
move-wide/from16 v30, v13
move-wide/from16 v4, v19
goto :goto_15
:cond_24
move-wide/from16 v19, v10
const-wide/16 v11, 0x4
move-wide/from16 v21, v19
move/from16 v8, v29
move-wide/from16 v9, v30
move-wide/from16 v11, v32
goto/16 :goto_a
.end method
.method private static get64(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;J)J
.locals 1
.annotation system Ldalvik/annotation/Throws;
value = {
Ljava/io/IOException;
}
.end annotation
const/16 v0, 0x8
.line 270
invoke-static {p0, p1, v0, p2, p3}, Lcom/facebook/soloader/MinElf;->read(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;IJ)V
.line 271
invoke-virtual {p1}, Ljava/nio/ByteBuffer;->getLong()J
move-result-wide p0
return-wide p0
.end method
.method private static getSz(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;J)Ljava/lang/String;
.locals 5
.annotation system Ldalvik/annotation/Throws;
value = {
Ljava/io/IOException;
}
.end annotation
.line 239
new-instance v0, Ljava/lang/StringBuilder;
invoke-direct {v0}, Ljava/lang/StringBuilder;-><init>()V
:goto_0
const-wide/16 v1, 0x1
add-long v3, p2, v1
.line 241
invoke-static {p0, p1, p2, p3}, Lcom/facebook/soloader/MinElf;->getu8(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;J)S
move-result p2
if-eqz p2, :cond_0
int-to-char p2, p2
.line 242
invoke-virtual {v0, p2}, Ljava/lang/StringBuilder;->append(C)Ljava/lang/StringBuilder;
move-wide p2, v3
goto :goto_0
.line 245
:cond_0
invoke-virtual {v0}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;
move-result-object p0
return-object p0
.end method
.method private static getu16(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;J)I
.locals 1
.annotation system Ldalvik/annotation/Throws;
value = {
Ljava/io/IOException;
}
.end annotation
const/4 v0, 0x2
.line 282
invoke-static {p0, p1, v0, p2, p3}, Lcom/facebook/soloader/MinElf;->read(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;IJ)V
.line 283
invoke-virtual {p1}, Ljava/nio/ByteBuffer;->getShort()S
move-result p0
const p1, 0xffff
and-int/2addr p0, p1
return p0
.end method
.method private static getu32(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;J)J
.locals 2
.annotation system Ldalvik/annotation/Throws;
value = {
Ljava/io/IOException;
}
.end annotation
const/4 v0, 0x4
.line 276
invoke-static {p0, p1, v0, p2, p3}, Lcom/facebook/soloader/MinElf;->read(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;IJ)V
.line 277
invoke-virtual {p1}, Ljava/nio/ByteBuffer;->getInt()I
move-result p0
int-to-long p0, p0
const-wide p2, 0xffffffffL
and-long v0, p0, p2
return-wide v0
.end method
.method private static getu8(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;J)S
.locals 1
.annotation system Ldalvik/annotation/Throws;
value = {
Ljava/io/IOException;
}
.end annotation
const/4 v0, 0x1
.line 288
invoke-static {p0, p1, v0, p2, p3}, Lcom/facebook/soloader/MinElf;->read(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;IJ)V
.line 289
invoke-virtual {p1}, Ljava/nio/ByteBuffer;->get()B
move-result p0
and-int/lit16 p0, p0, 0xff
int-to-short p0, p0
return p0
.end method
.method private static read(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;IJ)V
.locals 5
.annotation system Ldalvik/annotation/Throws;
value = {
Ljava/io/IOException;
}
.end annotation
const/4 v0, 0x0
.line 250
invoke-virtual {p1, v0}, Ljava/nio/ByteBuffer;->position(I)Ljava/nio/Buffer;
.line 251
invoke-virtual {p1, p2}, Ljava/nio/ByteBuffer;->limit(I)Ljava/nio/Buffer;
.line 253
:goto_0
invoke-virtual {p1}, Ljava/nio/ByteBuffer;->remaining()I
move-result p2
if-lez p2, :cond_1
.line 254
invoke-virtual {p0, p1, p3, p4}, Ljava/nio/channels/FileChannel;->read(Ljava/nio/ByteBuffer;J)I
move-result p2
const/4 v1, -0x1
if-ne p2, v1, :cond_0
goto :goto_1
:cond_0
int-to-long v1, p2
add-long v3, p3, v1
move-wide p3, v3
goto :goto_0
.line 261
:cond_1
:goto_1
invoke-virtual {p1}, Ljava/nio/ByteBuffer;->remaining()I
move-result p0
if-lez p0, :cond_2
.line 262
new-instance p0, Lcom/facebook/soloader/MinElf$ElfError;
const-string p1, "ELF file truncated"
invoke-direct {p0, p1}, Lcom/facebook/soloader/MinElf$ElfError;-><init>(Ljava/lang/String;)V
throw p0
.line 265
:cond_2
invoke-virtual {p1, v0}, Ljava/nio/ByteBuffer;->position(I)Ljava/nio/Buffer;
return-void
.end method