History log of /dalvik/dx/src/com/android/dx/io/Code.java
Revision Date Author Comments
15e631eb8bdee248b350fd3eee0b7aa04378eb98 01-Sep-2012 Jesse Wilson <jwilson@squareup.com> Fix an ugly bug where try/catch offsets weren't being mapped properly. do not merge.

In dex files, there are several places where one object refers
to another object by its position in the file. The dex merger
is generally very careful to adjust these mappings when combining
dex files.

Unfortunately one of these cases was broken. Each try_item refers
to a corresponding encoded_catch_handler by its byte offset in a
list. Most of the time this byte offset is the same in the input
dex file and the output dex file. But encoded_catch_handlers are
variable-length because they use a variable-length uleb128 encoding
to address the type_idx being caught. When dex files are merged,
some exception types may go from having a small index to having
a large index, increasing the number of bytes required to encode
that index. This breaks our ability to directly copy over offsets
as we were doing previously.

Bug: http://code.google.com/p/android/issues/detail?id=36490

(cherry picked from commit d43341a24abe339d474b0b0d92669917ae2eb9bf)

Change-Id: I4e6ab791925a918513122b46e039c02dfef62ace
d43341a24abe339d474b0b0d92669917ae2eb9bf 01-Sep-2012 Jesse Wilson <jwilson@squareup.com> Fix an ugly bug where try/catch offsets weren't being mapped properly.

In dex files, there are several places where one object refers
to another object by its position in the file. The dex merger
is generally very careful to adjust these mappings when combining
dex files.

Unfortunately one of these cases was broken. Each try_item refers
to a corresponding encoded_catch_handler by its byte offset in a
list. Most of the time this byte offset is the same in the input
dex file and the output dex file. But encoded_catch_handlers are
variable-length because they use a variable-length uleb128 encoding
to address the type_idx being caught. When dex files are merged,
some exception types may go from having a small index to having
a large index, increasing the number of bytes required to encode
that index. This breaks our ability to directly copy over offsets
as we were doing previously.

Bug: http://code.google.com/p/android/issues/detail?id=36490
Change-Id: I3bdadf20899fdb5d4d074e69103b33c0404a31f8
bd3dba4346223593ac6033a3d2a7d8ec6f20738b 16-Mar-2011 Jesse Wilson <jessewilson@google.com> Don't emit multiple copies of annotations when merging dex files.

This change requires all annotations to be loaded into memory
so they can be sorted. There does not appear to be a required
order to the annotations in .dex files. Loading annotations also
requires loading encoded values, which makes this into a large
refactoring.

Change-Id: Ib7e2656c595018be4e9936eb84a22f1c1de56750
http://b/4090053
e31a42442bbd2cdc69e959f5209b793cf0aa7217 17-Jan-2011 Jesse Wilson <jessewilson@google.com> Make DexMerger's dex reader general purpose.

Use this to implement FindUsages, which prints references to
fields and methods within a dex. This is the FindUsages output
for "Ljava/lang/Number;", "longValue" on libcore's dex file:

Method referenced by Ljava/io/EmulatedFields;#get invoke-virtual {vD, vE, vF, vG, vA}, meth@CCCC
Method referenced by Ljava/io/EmulatedFieldsForDumping;#write invoke-virtual {vD, vE, vF, vG, vA}, meth@CCCC
Method referenced by Ljava/io/ObjectOutputStream;#writeFieldValues invoke-virtual {vD, vE, vF, vG, vA}, meth@CCCC
Method declared by Ljava/lang/Number;#longValue
Method declared by Ljava/lang/Byte;#longValue
Method declared by Ljava/lang/Double;#longValue
Method declared by Ljava/lang/Float;#longValue
Method declared by Ljava/lang/Integer;#longValue
Method declared by Ljava/lang/Long;#longValue
Method declared by Ljava/lang/Short;#longValue
Method referenced by Ljava/lang/reflect/Array;#set invoke-virtual {vD, vE, vF, vG, vA}, meth@CCCC
Method referenced by Ljava/math/BigDecimal;#divideBigIntegers invoke-virtual {vD, vE, vF, vG, vA}, meth@CCCC
Method referenced by Ljava/math/BigDecimal;#divideBigIntegers invoke-virtual {vD, vE, vF, vG, vA}, meth@CCCC
Method referenced by Ljava/math/BigDecimal;#divideBigIntegers invoke-virtual {vD, vE, vF, vG, vA}, meth@CCCC
Method referenced by Ljava/math/BigDecimal;#readObject invoke-virtual {vD, vE, vF, vG, vA}, meth@CCCC
Method referenced by Ljava/math/BigDecimal;#setUnscaledValue invoke-virtual {vD, vE, vF, vG, vA}, meth@CCCC
Method referenced by Ljava/math/BigDecimal;#valueExact invoke-virtual {vD, vE, vF, vG, vA}, meth@CCCC
Method referenced by Ljava/math/BigDecimal;#doubleValue invoke-virtual/range {vCCCC..vNNNN}, meth@BBBB
Method referenced by Ljava/math/BigDecimal;#doubleValue invoke-virtual {vD, vE, vF, vG, vA}, meth@CCCC
Method declared by Ljava/math/BigDecimal;#longValue
Method referenced by Ljava/math/BigDecimal;#longValue invoke-virtual {vD, vE, vF, vG, vA}, meth@CCCC
Method declared by Ljava/math/BigInteger;#longValue
Method referenced by Ljava/math/Conversion;#bigInteger2Double invoke-virtual {vD, vE, vF, vG, vA}, meth@CCCC
Method referenced by Ljava/math/Conversion;#bigInteger2Double invoke-virtual {vD, vE, vF, vG, vA}, meth@CCCC
Method referenced by Ljava/text/NumberFormat;#format invoke-virtual {vD, vE, vF, vG, vA}, meth@CCCC
Method referenced by Ljava/text/DateFormat;#format invoke-virtual {vD, vE, vF, vG, vA}, meth@CCCC
Method referenced by Ljava/text/DecimalFormat;#format invoke-virtual {vD, vE, vF, vG, vA}, meth@CCCC
Method referenced by Ljava/text/DecimalFormat;#parse invoke-virtual {vD, vE, vF, vG, vA}, meth@CCCC
Method referenced by Ljava/text/SimpleDateFormat;#formatToCharacterIterator invoke-virtual {vD, vE, vF, vG, vA}, meth@CCCC
Method referenced by Ljava/util/Formatter;#transform invoke-virtual {vD, vE, vF, vG, vA}, meth@CCCC
Method referenced by Ljava/util/Formatter;#transformFromDateTime invoke-virtual {vD, vE, vF, vG, vA}, meth@CCCC
Method referenced by Ljava/util/Formatter;#transformFromInteger invoke-virtual {vD, vE, vF, vG, vA}, meth@CCCC
Method referenced by Ljava/util/Formatter;#transformFromInteger invoke-virtual {vD, vE, vF, vG, vA}, meth@CCCC
Method referenced by Ljava/util/Formatter;#transformFromInteger invoke-virtual {vD, vE, vF, vG, vA}, meth@CCCC
Method referenced by Ljava/util/Formatter;#transformFromInteger invoke-virtual {vD, vE, vF, vG, vA}, meth@CCCC
Method referenced by Ljava/util/Formatter;#transform_g invoke-virtual {vD, vE, vF, vG, vA}, meth@CCCC
Method referenced by Ljava/util/Formatter;#transform_g invoke-virtual {vD, vE, vF, vG, vA}, meth@CCCC
Method referenced by Ljava/util/Formatter;#transform_g invoke-virtual {vD, vE, vF, vG, vA}, meth@CCCC
Method referenced by Ljava/util/Formatter;#transform_g invoke-virtual {vD, vE, vF, vG, vA}, meth@CCCC
Method referenced by Ljava/util/Scanner;#nextLong invoke-virtual {vD, vE, vF, vG, vA}, meth@CCCC
Method declared by Ljava/util/concurrent/atomic/AtomicInteger;#longValue
Method declared by Ljava/util/concurrent/atomic/AtomicLong;#longValue
Method referenced by Llibcore/icu/NativeDecimalFormat;#formatToCharacterIterator invoke-virtual {vD, vE, vF, vG, vA}, meth@CCCC
Method referenced by Lorg/apache/xalan/xslt/SecuritySupport12;#getLastModified invoke-virtual {vD, vE, vF, vG, vA}, meth@CCCC
Method referenced by Lorg/apache/xml/dtm/SecuritySupport12;#getLastModified invoke-virtual {vD, vE, vF, vG, vA}, meth@CCCC
Method referenced by Lorg/apache/xml/dtm/ref/SecuritySupport12;#getLastModified invoke-virtual {vD, vE, vF, vG, vA}, meth@CCCC
Method referenced by Lorg/apache/xml/serializer/SecuritySupport12;#getLastModified invoke-virtual {vD, vE, vF, vG, vA}, meth@CCCC
Method referenced by Lorg/apache/xml/utils/SecuritySupport12;#getLastModified invoke-virtual {vD, vE, vF, vG, vA}, meth@CCCC
Method referenced by Lorg/apache/xpath/functions/SecuritySupport12;#getLastModified invoke-virtual {vD, vE, vF, vG, vA}, meth@CCCC
Method referenced by Lorg/json/JSON;#toLong invoke-virtual {vD, vE, vF, vG, vA}, meth@CCCC
Method referenced by Lorg/json/JSONArray;#getLong invoke-virtual {vD, vE, vF, vG, vA}, meth@CCCC
Method referenced by Lorg/json/JSONArray;#optLong invoke-virtual {vD, vE, vF, vG, vA}, meth@CCCC
Method referenced by Lorg/json/JSONObject;#numberToString invoke-virtual {vD, vE, vF, vG, vA}, meth@CCCC
Method referenced by Lorg/json/JSONObject;#getLong invoke-virtual {vD, vE, vF, vG, vA}, meth@CCCC
Method referenced by Lorg/json/JSONObject;#optLong invoke-virtual {vD, vE, vF, vG, vA}, meth@CCCC

Change-Id: Ia50f28f53ce5838799e2d5f03a7a2f1c551299de