MinElf.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$ElfError;,
Lcom/facebook/soloader/MinElf$ISA;
}
.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
.field private static final TAG:Ljava/lang/String; = "MinElf"
# direct methods
.method public constructor <init>()V
.registers 1
.line 35
invoke-direct {p0}, Ljava/lang/Object;-><init>()V
return-void
.end method
.method public static extract_DT_NEEDED(Ljava/io/File;)[Ljava/lang/String;
.registers 6
.annotation system Ldalvik/annotation/Throws;
value = {
Ljava/io/IOException;
}
.end annotation
const/4 v0, 0x0
.line 73
:goto_1
new-instance v1, Ljava/io/FileInputStream;
invoke-direct {v1, p0}, Ljava/io/FileInputStream;-><init>(Ljava/io/File;)V
.line 75
:try_start_6
invoke-virtual {v1}, Ljava/io/FileInputStream;->getChannel()Ljava/nio/channels/FileChannel;
move-result-object v2
invoke-static {v2}, Lcom/facebook/soloader/MinElf;->extract_DT_NEEDED(Ljava/nio/channels/FileChannel;)[Ljava/lang/String;
move-result-object p0
:try_end_e
.catch Ljava/nio/channels/ClosedByInterruptException; {:try_start_6 .. :try_end_e} :catch_14
.catchall {:try_start_6 .. :try_end_e} :catchall_12
.line 90
invoke-virtual {v1}, Ljava/io/FileInputStream;->close()V
return-object p0
:catchall_12
move-exception p0
goto :goto_29
:catch_14
move-exception v2
add-int/lit8 v0, v0, 0x1
const/4 v3, 0x3
if-gt v0, v3, :cond_28
.line 87
:try_start_1a
invoke-static {}, Ljava/lang/Thread;->interrupted()Z
const-string v3, "MinElf"
const-string v4, "retrying extract_DT_NEEDED due to ClosedByInterruptException"
.line 88
invoke-static {v3, v4, v2}, Landroid/util/Log;->e(Ljava/lang/String;Ljava/lang/String;Ljava/lang/Throwable;)I
:try_end_24
.catchall {:try_start_1a .. :try_end_24} :catchall_12
.line 90
invoke-virtual {v1}, Ljava/io/FileInputStream;->close()V
goto :goto_1
.line 79
:cond_28
:try_start_28
throw v2
:try_end_29
.catchall {:try_start_28 .. :try_end_29} :catchall_12
.line 90
:goto_29
invoke-virtual {v1}, Ljava/io/FileInputStream;->close()V
.line 91
throw p0
.end method
.method public static extract_DT_NEEDED(Ljava/nio/channels/FileChannel;)[Ljava/lang/String;
.registers 37
.annotation system Ldalvik/annotation/Throws;
value = {
Ljava/io/IOException;
}
.end annotation
move-object/from16 v0, p0
const/16 v1, 0x8
.line 108
invoke-static {v1}, Ljava/nio/ByteBuffer;->allocate(I)Ljava/nio/ByteBuffer;
move-result-object v1
.line 112
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 113
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 v6, v4, v6
if-nez v6, :cond_226
const-wide/16 v4, 0x4
.line 118
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_24
goto :goto_25
:cond_24
const/4 v8, 0x0
:goto_25
const-wide/16 v9, 0x5
.line 119
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_33
.line 120
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_33
const-wide/16 v11, 0x1c
const-wide/16 v13, 0x20
if-eqz v8, :cond_3e
.line 127
invoke-static {v0, v1, v11, v12}, Lcom/facebook/soloader/MinElf;->getu32(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;J)J
move-result-wide v15
goto :goto_42
:cond_3e
invoke-static {v0, v1, v13, v14}, Lcom/facebook/soloader/MinElf;->get64(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;J)J
move-result-wide v15
:goto_42
const-wide/16 v9, 0x2c
if-eqz v8, :cond_4c
.line 129
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_53
:cond_4c
const-wide/16 v4, 0x38
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_53
if-eqz v8, :cond_58
const-wide/16 v2, 0x2a
goto :goto_5a
:cond_58
const-wide/16 v2, 0x36
.line 132
:goto_5a
invoke-static {v0, v1, v2, v3}, Lcom/facebook/soloader/MinElf;->getu16(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;J)I
move-result v2
const-wide/32 v23, 0xffff
cmp-long v3, v4, v23
const-wide/16 v9, 0x28
if-nez v3, :cond_82
if-eqz v8, :cond_6e
.line 136
invoke-static {v0, v1, v13, v14}, Lcom/facebook/soloader/MinElf;->getu32(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;J)J
move-result-wide v3
goto :goto_72
:cond_6e
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_72
if-eqz v8, :cond_7a
add-long/2addr v3, v11
.line 140
invoke-static {v0, v1, v3, v4}, Lcom/facebook/soloader/MinElf;->getu32(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;J)J
move-result-wide v3
goto :goto_81
:cond_7a
const-wide/16 v5, 0x2c
add-long/2addr v3, v5
.line 141
invoke-static {v0, v1, v3, v4}, Lcom/facebook/soloader/MinElf;->getu32(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;J)J
move-result-wide v3
:goto_81
move-wide v4, v3
:cond_82
move-wide v13, v15
const-wide/16 v11, 0x0
:goto_85
cmp-long v3, v11, v4
const-wide/16 v23, 0x1
const-wide/16 v25, 0x8
if-gez v3, :cond_be
if-eqz v8, :cond_98
const-wide/16 v21, 0x0
add-long v9, v13, v21
.line 152
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_a0
:cond_98
const-wide/16 v21, 0x0
add-long v9, v13, v21
.line 153
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_a0
const-wide/16 v28, 0x2
cmp-long v3, v9, v28
if-nez v3, :cond_b7
if-eqz v8, :cond_b0
const-wide/16 v9, 0x4
add-long/2addr v13, v9
.line 158
invoke-static {v0, v1, v13, v14}, Lcom/facebook/soloader/MinElf;->getu32(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;J)J
move-result-wide v9
goto :goto_c0
:cond_b0
add-long v13, v13, v25
.line 159
invoke-static {v0, v1, v13, v14}, Lcom/facebook/soloader/MinElf;->get64(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;J)J
move-result-wide v9
goto :goto_c0
:cond_b7
int-to-long v9, v2
add-long/2addr v13, v9
add-long v11, v11, v23
const-wide/16 v9, 0x28
goto :goto_85
:cond_be
const-wide/16 v9, 0x0
:goto_c0
const-wide/16 v21, 0x0
cmp-long v3, v9, v21
if-eqz v3, :cond_21e
move-wide v13, v9
move-wide/from16 v11, v21
const/4 v3, 0x0
:goto_ca
move/from16 v28, v8
if-eqz v8, :cond_d5
add-long v7, v13, v21
.line 182
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_db
:cond_d5
add-long v7, v13, v21
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_db
cmp-long v29, v7, v23
const v6, 0x7fffffff
move-wide/from16 v30, v9
const-string v9, "malformed DT_NEEDED section"
if-nez v29, :cond_f5
if-eq v3, v6, :cond_ef
add-int/lit8 v3, v3, 0x1
move-wide/from16 v32, v7
const-wide/16 v17, 0x5
goto :goto_114
.line 186
:cond_ef
new-instance v0, Lcom/facebook/soloader/MinElf$ElfError;
invoke-direct {v0, v9}, Lcom/facebook/soloader/MinElf$ElfError;-><init>(Ljava/lang/String;)V
throw v0
:cond_f5
const-wide/16 v17, 0x5
cmp-long v10, v7, v17
if-nez v10, :cond_112
if-eqz v28, :cond_108
move-wide/from16 v32, v7
const-wide/16 v10, 0x4
add-long v6, v13, v10
.line 192
invoke-static {v0, v1, v6, v7}, Lcom/facebook/soloader/MinElf;->getu32(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;J)J
move-result-wide v6
goto :goto_110
:cond_108
move-wide/from16 v32, v7
add-long v6, v13, v25
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_110
move-wide v11, v6
goto :goto_114
:cond_112
move-wide/from16 v32, v7
:goto_114
const-wide/16 v6, 0x10
if-eqz v28, :cond_11b
move-wide/from16 v34, v25
goto :goto_11d
:cond_11b
move-wide/from16 v34, v6
:goto_11d
add-long v13, v13, v34
const-wide/16 v21, 0x0
cmp-long v10, v32, v21
if-nez v10, :cond_216
cmp-long v10, v11, v21
if-eqz v10, :cond_20e
const/4 v10, 0x0
:goto_12a
int-to-long v13, v10
cmp-long v13, v13, v4
if-gez v13, :cond_197
if-eqz v28, :cond_138
add-long v13, v15, v21
.line 210
invoke-static {v0, v1, v13, v14}, Lcom/facebook/soloader/MinElf;->getu32(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;J)J
move-result-wide v13
goto :goto_13e
:cond_138
add-long v13, v15, v21
.line 211
invoke-static {v0, v1, v13, v14}, Lcom/facebook/soloader/MinElf;->getu32(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;J)J
move-result-wide v13
:goto_13e
cmp-long v13, v13, v23
if-nez v13, :cond_188
if-eqz v28, :cond_14b
add-long v13, v15, v25
.line 216
invoke-static {v0, v1, v13, v14}, Lcom/facebook/soloader/MinElf;->getu32(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;J)J
move-result-wide v13
goto :goto_151
:cond_14b
add-long v13, v15, v6
.line 217
invoke-static {v0, v1, v13, v14}, Lcom/facebook/soloader/MinElf;->get64(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;J)J
move-result-wide v13
:goto_151
if-eqz v28, :cond_161
const-wide/16 v17, 0x14
add-long v6, v15, v17
.line 221
invoke-static {v0, v1, v6, v7}, Lcom/facebook/soloader/MinElf;->getu32(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;J)J
move-result-wide v6
move-object/from16 v27, v9
move-wide v8, v6
const-wide/16 v6, 0x28
goto :goto_16b
:cond_161
move-object/from16 v27, v9
const-wide/16 v6, 0x28
add-long v8, v15, v6
.line 222
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_16b
cmp-long v17, v13, v11
if-gtz v17, :cond_18c
add-long/2addr v8, v13
cmp-long v8, v11, v8
if-gez v8, :cond_18c
if-eqz v28, :cond_17f
const-wide/16 v4, 0x4
add-long v6, v15, v4
.line 227
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_185
:cond_17f
add-long v4, v15, v25
.line 228
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_185
sub-long/2addr v11, v13
add-long/2addr v4, v11
goto :goto_19b
:cond_188
move-object/from16 v27, v9
const-wide/16 v6, 0x28
:cond_18c
int-to-long v8, v2
add-long/2addr v15, v8
add-int/lit8 v10, v10, 0x1
move-object/from16 v9, v27
const-wide/16 v6, 0x10
const-wide/16 v21, 0x0
goto :goto_12a
:cond_197
move-object/from16 v27, v9
const-wide/16 v4, 0x0
:goto_19b
const-wide/16 v6, 0x0
cmp-long v2, v4, v6
if-eqz v2, :cond_206
.line 242
new-array v2, v3, [Ljava/lang/String;
move-wide/from16 v9, v30
const/4 v8, 0x0
:goto_1a6
add-long v11, v9, v6
if-eqz v28, :cond_1af
.line 248
invoke-static {v0, v1, v11, v12}, Lcom/facebook/soloader/MinElf;->getu32(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;J)J
move-result-wide v11
goto :goto_1b3
:cond_1af
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_1b3
cmp-long v6, v11, v23
if-nez v6, :cond_1e3
if-eqz v28, :cond_1c2
const-wide/16 v19, 0x4
add-long v6, v9, v19
.line 252
invoke-static {v0, v1, v6, v7}, Lcom/facebook/soloader/MinElf;->getu32(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;J)J
move-result-wide v6
goto :goto_1ca
:cond_1c2
const-wide/16 v19, 0x4
add-long v6, v9, v25
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_1ca
add-long/2addr v6, v4
.line 254
invoke-static {v0, v1, v6, v7}, Lcom/facebook/soloader/MinElf;->getSz(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;J)Ljava/lang/String;
move-result-object v6
aput-object v6, v2, v8
const v6, 0x7fffffff
if-eq v8, v6, :cond_1db
add-int/lit8 v8, v8, 0x1
move-object/from16 v7, v27
goto :goto_1ea
.line 256
:cond_1db
new-instance v0, Lcom/facebook/soloader/MinElf$ElfError;
move-object/from16 v7, v27
invoke-direct {v0, v7}, Lcom/facebook/soloader/MinElf$ElfError;-><init>(Ljava/lang/String;)V
throw v0
:cond_1e3
move-object/from16 v7, v27
const v6, 0x7fffffff
const-wide/16 v19, 0x4
:goto_1ea
if-eqz v28, :cond_1ef
move-wide/from16 v13, v25
goto :goto_1f1
:cond_1ef
const-wide/16 v13, 0x10
:goto_1f1
add-long/2addr v9, v13
const-wide/16 v21, 0x0
cmp-long v11, v11, v21
if-nez v11, :cond_201
if-ne v8, v3, :cond_1fb
return-object v2
.line 266
:cond_1fb
new-instance v0, Lcom/facebook/soloader/MinElf$ElfError;
invoke-direct {v0, v7}, Lcom/facebook/soloader/MinElf$ElfError;-><init>(Ljava/lang/String;)V
throw v0
:cond_201
move-object/from16 v27, v7
move-wide/from16 v6, v21
goto :goto_1a6
.line 239
:cond_206
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 199
:cond_20e
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_216
const-wide/16 v19, 0x4
move/from16 v8, v28
move-wide/from16 v9, v30
goto/16 :goto_ca
.line 169
:cond_21e
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
.line 115
:cond_226
new-instance v0, Lcom/facebook/soloader/MinElf$ElfError;
new-instance v1, Ljava/lang/StringBuilder;
invoke-direct {v1}, Ljava/lang/StringBuilder;-><init>()V
const-string v2, "file is not ELF: 0x"
invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;
invoke-static {v4, v5}, Ljava/lang/Long;->toHexString(J)Ljava/lang/String;
move-result-object v2
invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;
invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;
move-result-object v1
invoke-direct {v0, v1}, Lcom/facebook/soloader/MinElf$ElfError;-><init>(Ljava/lang/String;)V
throw v0
.end method
.method private static get64(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;J)J
.registers 5
.annotation system Ldalvik/annotation/Throws;
value = {
Ljava/io/IOException;
}
.end annotation
const/16 v0, 0x8
.line 302
invoke-static {p0, p1, v0, p2, p3}, Lcom/facebook/soloader/MinElf;->read(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;IJ)V
.line 303
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;
.registers 7
.annotation system Ldalvik/annotation/Throws;
value = {
Ljava/io/IOException;
}
.end annotation
.line 273
new-instance v0, Ljava/lang/StringBuilder;
invoke-direct {v0}, Ljava/lang/StringBuilder;-><init>()V
:goto_5
const-wide/16 v1, 0x1
add-long/2addr v1, p2
.line 275
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_14
int-to-char p2, p2
.line 276
invoke-virtual {v0, p2}, Ljava/lang/StringBuilder;->append(C)Ljava/lang/StringBuilder;
move-wide p2, v1
goto :goto_5
.line 279
:cond_14
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
.registers 5
.annotation system Ldalvik/annotation/Throws;
value = {
Ljava/io/IOException;
}
.end annotation
const/4 v0, 0x2
.line 312
invoke-static {p0, p1, v0, p2, p3}, Lcom/facebook/soloader/MinElf;->read(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;IJ)V
.line 313
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
.registers 5
.annotation system Ldalvik/annotation/Throws;
value = {
Ljava/io/IOException;
}
.end annotation
const/4 v0, 0x4
.line 307
invoke-static {p0, p1, v0, p2, p3}, Lcom/facebook/soloader/MinElf;->read(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;IJ)V
.line 308
invoke-virtual {p1}, Ljava/nio/ByteBuffer;->getInt()I
move-result p0
int-to-long p0, p0
const-wide p2, 0xffffffffL
and-long/2addr p0, p2
return-wide p0
.end method
.method private static getu8(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;J)S
.registers 5
.annotation system Ldalvik/annotation/Throws;
value = {
Ljava/io/IOException;
}
.end annotation
const/4 v0, 0x1
.line 317
invoke-static {p0, p1, v0, p2, p3}, Lcom/facebook/soloader/MinElf;->read(Ljava/nio/channels/FileChannel;Ljava/nio/ByteBuffer;IJ)V
.line 318
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
.registers 8
.annotation system Ldalvik/annotation/Throws;
value = {
Ljava/io/IOException;
}
.end annotation
const/4 v0, 0x0
.line 283
invoke-virtual {p1, v0}, Ljava/nio/ByteBuffer;->position(I)Ljava/nio/Buffer;
.line 284
invoke-virtual {p1, p2}, Ljava/nio/ByteBuffer;->limit(I)Ljava/nio/Buffer;
.line 286
:goto_7
invoke-virtual {p1}, Ljava/nio/ByteBuffer;->remaining()I
move-result p2
if-lez p2, :cond_18
.line 287
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_15
goto :goto_18
:cond_15
int-to-long v1, p2
add-long/2addr p3, v1
goto :goto_7
.line 294
:cond_18
:goto_18
invoke-virtual {p1}, Ljava/nio/ByteBuffer;->remaining()I
move-result p0
if-gtz p0, :cond_22
.line 298
invoke-virtual {p1, v0}, Ljava/nio/ByteBuffer;->position(I)Ljava/nio/Buffer;
return-void
.line 295
:cond_22
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
.end method