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author | Albert Gorski <sagorski@ncsu.edu> | 2018-08-03 17:03:45 -0400 |
---|---|---|
committer | Ben Gruver <bgruv@google.com> | 2018-08-20 12:55:29 -0700 |
commit | c6b0408092ba7a6d93e1c2c71b84b8a492de78d4 (patch) | |
tree | 234fee258c19beffd7e747f46c3a118a0025a641 /smali | |
parent | 49ecdb334b1eddaa8d8d8be123b322da56caf65e (diff) | |
download | smali-c6b0408092ba7a6d93e1c2c71b84b8a492de78d4.tar.gz |
Fix support for the kind values of MethodHandle
The current implementation only supported 6 of the possible kind values for a MethodHandle object.
However, as the link below shows there are in fact 9. All 9 can be seen in the MethodHandleType
class which is used by dexdump to translate the kind value of a MethodHandle object to a string
representation.
https://android.googlesource.com/platform/art/+/android-8.1.0_r41/runtime/dex_file.h
Moreover, this in fact lines up with the 9 different kinds for a MethodHandle object in standard
java bytecode (though the values are swapped around for some reason).
https://docs.oracle.com/javase/8/docs/api/java/lang/invoke/MethodHandleInfo.html
These changes add in the additional 3 kind values and make sure all nesscary hooks using the
kind values of MethodHandle reference them.
For testing purposes, I found the easiest way to get correctly formatted invoke-custom and
invoke-polymorphic instructions was to use the already generated dex files used to test
dexdump. They can be found at the link below (invoke-custom.dex and invoke-polymorphic.dex).
https://android.googlesource.com/platform/art/+/android-8.1.0_r41/test/dexdump/
Diffstat (limited to 'smali')
-rw-r--r-- | smali/src/main/antlr/smaliParser.g | 15 | ||||
-rw-r--r-- | smali/src/main/antlr/smaliTreeWalker.g | 6 | ||||
-rw-r--r-- | smali/src/main/jflex/smaliLexer.jflex | 10 |
3 files changed, 21 insertions, 10 deletions
diff --git a/smali/src/main/antlr/smaliParser.g b/smali/src/main/antlr/smaliParser.g index 370c3dec..76de3bc5 100644 --- a/smali/src/main/antlr/smaliParser.g +++ b/smali/src/main/antlr/smaliParser.g @@ -110,6 +110,7 @@ tokens { INSTRUCTION_FORMAT35c_CALL_SITE; INSTRUCTION_FORMAT35c_METHOD; INSTRUCTION_FORMAT35c_METHOD_ODEX; + INSTRUCTION_FORMAT35c_METHOD_OR_METHOD_HANDLE_TYPE; INSTRUCTION_FORMAT35c_TYPE; INSTRUCTION_FORMAT35mi_METHOD; INSTRUCTION_FORMAT35ms_METHOD; @@ -586,6 +587,7 @@ simple_name | INSTRUCTION_FORMAT35c_CALL_SITE -> SIMPLE_NAME[$INSTRUCTION_FORMAT35c_CALL_SITE] | INSTRUCTION_FORMAT35c_METHOD -> SIMPLE_NAME[$INSTRUCTION_FORMAT35c_METHOD] | INSTRUCTION_FORMAT35c_METHOD_ODEX -> SIMPLE_NAME[$INSTRUCTION_FORMAT35c_METHOD_ODEX] + | INSTRUCTION_FORMAT35c_METHOD_OR_METHOD_HANDLE_TYPE -> SIMPLE_NAME[$INSTRUCTION_FORMAT35c_METHOD_OR_METHOD_HANDLE_TYPE] | INSTRUCTION_FORMAT35c_TYPE -> SIMPLE_NAME[$INSTRUCTION_FORMAT35c_TYPE] | INSTRUCTION_FORMAT35mi_METHOD -> SIMPLE_NAME[$INSTRUCTION_FORMAT35mi_METHOD] | INSTRUCTION_FORMAT35ms_METHOD -> SIMPLE_NAME[$INSTRUCTION_FORMAT35ms_METHOD] @@ -724,7 +726,8 @@ call_site_reference method_handle_reference : METHOD_HANDLE_TYPE_FIELD AT field_reference -> METHOD_HANDLE_TYPE_FIELD field_reference - | METHOD_HANDLE_TYPE_METHOD AT method_reference -> METHOD_HANDLE_TYPE_METHOD method_reference; + | METHOD_HANDLE_TYPE_METHOD AT method_reference -> METHOD_HANDLE_TYPE_METHOD method_reference + | INSTRUCTION_FORMAT35c_METHOD_OR_METHOD_HANDLE_TYPE AT method_reference -> INSTRUCTION_FORMAT35c_METHOD_OR_METHOD_HANDLE_TYPE method_reference; method_handle_literal : method_handle_reference @@ -826,6 +829,10 @@ instruction_format22s instruction_format31i : INSTRUCTION_FORMAT31i | INSTRUCTION_FORMAT31i_OR_ID -> INSTRUCTION_FORMAT31i[$INSTRUCTION_FORMAT31i_OR_ID]; + +instruction_format35c_method + : INSTRUCTION_FORMAT35c_METHOD + | INSTRUCTION_FORMAT35c_METHOD_OR_METHOD_HANDLE_TYPE -> INSTRUCTION_FORMAT35c_METHOD[$INSTRUCTION_FORMAT35c_METHOD_OR_METHOD_HANDLE_TYPE]; instruction : insn_format10t @@ -943,7 +950,7 @@ insn_format21c_field_odex -> ^(I_STATEMENT_FORMAT21c_FIELD[$start, "I_STATEMENT_FORMAT21c_FIELD"] INSTRUCTION_FORMAT21c_FIELD_ODEX REGISTER field_reference); insn_format21c_method_handle - : //e.g. const-method-handle v0, static-invoke@Ljava/lang/Integer;->toString(I)Ljava/lang/String; + : //e.g. const-method-handle v0, invoke-static@Ljava/lang/Integer;->toString(I)Ljava/lang/String; INSTRUCTION_FORMAT21c_METHOD_HANDLE REGISTER COMMA method_handle_reference -> ^(I_STATEMENT_FORMAT21c_METHOD_HANDLE[$start, "I_STATEMENT_FORMAT21c_METHOD_HANDLE"] INSTRUCTION_FORMAT21c_METHOD_HANDLE REGISTER method_handle_reference); @@ -1069,8 +1076,8 @@ insn_format35c_call_site insn_format35c_method : //e.g. invoke-virtual {v0,v1} java/io/PrintStream/print(Ljava/lang/Stream;)V - INSTRUCTION_FORMAT35c_METHOD OPEN_BRACE register_list CLOSE_BRACE COMMA method_reference - -> ^(I_STATEMENT_FORMAT35c_METHOD[$start, "I_STATEMENT_FORMAT35c_METHOD"] INSTRUCTION_FORMAT35c_METHOD register_list method_reference); + instruction_format35c_method OPEN_BRACE register_list CLOSE_BRACE COMMA method_reference + -> ^(I_STATEMENT_FORMAT35c_METHOD[$start, "I_STATEMENT_FORMAT35c_METHOD"] instruction_format35c_method register_list method_reference); insn_format35c_type : //e.g. filled-new-array {v0,v1}, I diff --git a/smali/src/main/antlr/smaliTreeWalker.g b/smali/src/main/antlr/smaliTreeWalker.g index 5844bb45..f3595232 100644 --- a/smali/src/main/antlr/smaliTreeWalker.g +++ b/smali/src/main/antlr/smaliTreeWalker.g @@ -514,7 +514,7 @@ call_site_reference returns[ImmutableCallSiteReference callSiteReference] { String callSiteName = $call_site_name.text; ImmutableMethodHandleReference methodHandleReference = - new ImmutableMethodHandleReference(MethodHandleType.STATIC_INVOKE, + new ImmutableMethodHandleReference(MethodHandleType.INVOKE_STATIC, $method_reference.methodReference); $callSiteReference = new ImmutableCallSiteReference( callSiteName, methodHandleReference, $method_name.value, $method_prototype.proto, @@ -522,7 +522,7 @@ call_site_reference returns[ImmutableCallSiteReference callSiteReference] }; method_handle_type returns[int methodHandleType] - : METHOD_HANDLE_TYPE_FIELD | METHOD_HANDLE_TYPE_METHOD { + : (METHOD_HANDLE_TYPE_FIELD | METHOD_HANDLE_TYPE_METHOD | INSTRUCTION_FORMAT35c_METHOD_OR_METHOD_HANDLE_TYPE) { $methodHandleType = MethodHandleType.getMethodHandleType($text); }; @@ -891,7 +891,7 @@ insn_format21c_field }; insn_format21c_method_handle - : //e.g. const-method-handle v0, static-invoke@Ljava/lang/Integer;->toString(I)Ljava/lang/String; + : //e.g. const-method-handle v0, invoke-static@Ljava/lang/Integer;->toString(I)Ljava/lang/String; ^(I_STATEMENT_FORMAT21c_METHOD_HANDLE inst=(INSTRUCTION_FORMAT21c_METHOD_HANDLE) REGISTER method_handle_reference) { Opcode opcode = opcodes.getOpcodeByName($inst.text); diff --git a/smali/src/main/jflex/smaliLexer.jflex b/smali/src/main/jflex/smaliLexer.jflex index 7e6c1c1c..1bae56e1 100644 --- a/smali/src/main/jflex/smaliLexer.jflex +++ b/smali/src/main/jflex/smaliLexer.jflex @@ -409,11 +409,11 @@ Type = {PrimitiveType} | {ClassDescriptor} | {ArrayPrefix} ({ClassDescriptor} | "vtable@0x" {HexDigit}+ { return newToken(VTABLE_INDEX); } "field@0x" {HexDigit}+ { return newToken(FIELD_OFFSET); } - "instance-get" | "instance-put" | "static-get" | "static-put" { + "static-put" | "static-get" | "instance-put" | "instance-get" { return newToken(METHOD_HANDLE_TYPE_FIELD); } - "instance-invoke" | "static-invoke" { + "invoke-instance" | "invoke-constructor" { return newToken(METHOD_HANDLE_TYPE_METHOD); } @@ -588,9 +588,13 @@ Type = {PrimitiveType} | {ClassDescriptor} | {ArrayPrefix} ({ClassDescriptor} | return newToken(INSTRUCTION_FORMAT35c_CALL_SITE); } - "invoke-virtual" | "invoke-super" | "invoke-direct" | "invoke-static" | "invoke-interface" { + "invoke-virtual" | "invoke-super" { return newToken(INSTRUCTION_FORMAT35c_METHOD); } + + "invoke-direct" | "invoke-static" | "invoke-interface" { + return newToken(INSTRUCTION_FORMAT35c_METHOD_OR_METHOD_HANDLE_TYPE); + } "invoke-direct-empty" { return newToken(INSTRUCTION_FORMAT35c_METHOD_ODEX); |