This test exercises the relocation data feature. The test file is
generated from a multi-segment OMF file that was hex-edited to have
specific attributes (see 20212-reloc-data-lnk.S for instructions).
The test also serves as a way to exercise the OMF converter.
Also, implement the Bank Relative flag.
The Absolute Indirect and Absolute Indirect Long addressing modes
(e.g. "JMP (addr)" and "JMP [addr]") are 16-bit values in bank 0.
The code analyzer was placing them in the program bank, which
meant the wrong symbol was being used.
Also, tweak some docs.
Works well for things like jump tables. Seeing a bunch of these
scattered in a chunk of data is a decent signal that it's actually
code.
In a bold move, we now exclude PEA operands from auto-label gen when
they don't have relocation data. This is very useful for things
like Int2Hex for which constants are typically pushed with PEA.
Reworked the "use reloc data" setting so it defaults to false and is
explicitly set to true when converting OMF. This provides a minor
optimization since we now check the boolean and skip doing a lookup
in an empty table.
This was a relatively lightweight change to confirm the usefulness
of relocation data. The results were very positive.
The relatively superficial integration of the data into the data
analysis process causes some problems, e.g. the cross-reference table
entries show an offset because the code analyzer's computed operand
offset doesn't match the value of the label. The feature should be
considered experimental
The feature can be enabled or disabled with a project property. The
results were sufficiently useful and non-annoying to make the setting
enabled by default.
A "cooked" form of the relocation data is added to the project, for
use during data analysis.
Also, changed the data grids in the segment viewer to allow multi-
select, so users can copy & paste the contents.
We now put a code hint on the JML instruction in each jump table
entry. This is necessary to ensure that the target address is
recognized as code, since a dynamic segment won't otherwise be
referenced.
Also, fiddle with the note/comment formatting some more.
The GS/OS loader initializes the calls with JSLs to a loader entry
point, and replaces them with JMLs to code in dynamic segments when
the segments are loaded. Since we have all the segments loaded at
once, we can just rewrite them to be JMLs immediately.
Changed bank-start comments to notes, added a summary to the top-of-file
comment.
Also, fixed a bug where the app settings dialog wasn't identifying
display settings as a preset for 64tass and cc65.
Generate multiple .ORG directives for segments that span multiple
banks. Some assemblers don't like it when things cross. This is
pretty rare (Cryllan Mission is an example).
Conversion of OMF Load files to a data/project pair is generally
working. The 65816 source code generators need some work though.
Added generation of the relocation dictionary and constant body for
segments in Load files.
Also, don't reject files with v1 segments (whose length is specified
as a block count) just because the EOF isn't a multiple of 512 bytes.
Some executables don't pad out the last block.
Various tweaks to output formatting.
Added file type determination (Load, Object, Library). Requires
screening the segment and record types.
Also, fix parsing of v0 headers, which placed ORG and ALIGN in
different places.
Added generation of info/error messages to segment parser, which
are displayed in the main OMF viewer window.
Added segment viewer window, which opens when a segment entry in the
viewer list is double-clicked. Currently shows the "raw" header
fields, with place-holder UI for additional stuff.
