opcode mix

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prasun3

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Jul 24, 2024, 4:19:11 AMJul 24
to DynamoRIO Users
Hi

The opcode_mix tool keeps track of opcodes but prints only the mnemonic in the output. Because of this we see multiple lines with the same mnemonic e.g. the two mov and jz lines in the output below.

Should we combine these together before printing?

Opcode mix tool results:
        1922749 : total executed instructions
         370304 :       mov
         257068 :       mov
         179952 :       cmp
         126281 :      test
         102203 :       add
         101703 :       lea
          84587 :        jz
          77428 :        jz

Thanks
Prasun

Derek Bruening

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Jul 24, 2024, 10:26:22 AMJul 24
to prasun3, DynamoRIO Users
That is the proposal in https://github.com/DynamoRIO/dynamorio/issues/5699 but you can see there a requested alternative use case which wants the DR values so the suggestion is to have an option to control it.  Also xref https://github.com/DynamoRIO/dynamorio/issues/3068.

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