Former-commit-id: 684d4aeef75b411d2b300d7ecee2fc8f98c559a3

Updates to spri to actually manage redirects from application code correctly.  Previously, the indirect branch target and the 'old' instructin's address were confused as to what was being redirected.  This should be cleared up now.

Former-commit-id: 5465a37bbec1c94571d3c33fa07a493f826972be

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Former-commit-id: 9a2056485049bd1bba9041420bf32ed79081dfe7

altered fileir.cpp AssembleRegistry() to detect if system calls fail, and to be more memory efficient. 



Former-commit-id: a6ec1300e6a10e4b619d37fedaad108d918a5bb9

Fixed some tabbing issues in core/fileir.hpp, added signature for fileir destructor in fileir.hpp. Implement fileir destructor in fileir.cpp. Multiple calls to generate spri no longer eat memory. 



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Former-commit-id: 6147ea286df2b0d2c521261afcf35e7a1c64a877

Former-commit-id: 3925cdcce7557a33078cadc64305958387a39cbf

fileir.cpp, when assemblying the assembly registry, destorys any previous existing binary or assembly files, just in case. 



Former-commit-id: 55819c800e824afaeda2acbe87881dd0d1281202

Included new functionality in fileir to change the key of a registered instruction/assembly pair. This is necessary for some the rewriting I intend to do. 



Former-commit-id: d9aaec6b317e5d9664fed8e3050e2782c8fd796e

Former-commit-id: 64a9cff6d7a51509dbd785932c58310575d79fb3

fileir now has an assembly registry. If assembling large numbers of instructions, register instructions here to speed up performance in assembly. Instructions are assembled on demand, or when fileir is used to write to the db or to generate spri. 



Former-commit-id: c92c7aa20ff36df6c01d34f949ea1a4248686b4f

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Former-commit-id: b490c83a8be5f6c1820761b8a5bb68e20319106b

Small helper functions added


Former-commit-id: 396b0c3c93a599d23387f06a4775783721a449f6

Fixes to fix_calls to safely move some call instructions.  also changes to fill_in_indtargs to support this, and several small bug fixes.

restructured to modularize libIRDB, and also added the CFG module for building a control flow graph of a function.

Reorganized current libIRDB into a library for the CORE functionality.  Hope is to add a second library for CFG building.

- keeping track of out args region size
- keeping track of indirect branch targets

Better support for indirect branch targets in instructions

fixes to meds2pdb and the xform engine to support a NULL function.  also various fixes to libIRDB to handle IDs better, etc.

Working version (runs without faulting and gives visually correct results on one example) of ILR and generating of spri code for it!