Commit Graph

60 Commits

Author SHA1 Message Date
Lephenixnoir 11ca1cc2fc
ads: actually analyze *all* syscalls 2022-04-03 21:36:59 +01:00
Lephenixnoir ae1db62314 Merge pull request 'Add --norc, --help, -e, and FILE options' (#1) from Dr-Carlos/fxos:master into master
Reviewed-on: https://gitea.planet-casio.com/Lephenixnoir/fxos/pulls/1
2022-03-31 22:11:49 +02:00
Dr-Carlos ef40cb3469 Add comments and allow multiple -e options 2022-04-01 06:24:48 +10:30
Dr-Carlos 446590448b Change debugger to disassembler in --help 2022-03-31 20:04:04 +10:30
Dr-Carlos b6fbc352e0 Add --norc, --help, -e, and FILE options 2022-03-31 19:54:44 +10:30
Lephenixnoir 59ed0c8621
add main disassembly, ad and ads commands 2022-03-28 22:42:53 +01:00
Lephenixnoir 29cd2815ec
refactor disassembly infrastructure and passes 2022-03-28 20:59:30 +01:00
Lephenixnoir 1f475b0863
refactor vspace - remove most memory simulation
All of it can be derived from translate_dynamic().
2022-03-27 18:32:28 +01:00
Lephenixnoir e90ef447fc
more refactoring, still less exceptions: os 2022-03-27 17:39:42 +01:00
Lephenixnoir da69725697
more refactoring and minor style updates 2022-03-27 16:10:13 +01:00
Lephenixnoir a9660da767
get rid of exceptions in the library, use explicit errors 2022-03-27 13:59:49 +01:00
Lephenixnoir 50963d7c20
refactor logging utility 2022-03-27 12:57:36 +01:00
Lephenixnoir b37a056c2e
clean up indent for utils 2022-03-27 12:16:58 +01:00
Lephenixnoir 36fe7fcff4
refactor library utils 2022-03-27 12:12:53 +01:00
Lephenixnoir 36fc94bf16
README update (fxdoc now up-to-date) 2022-03-07 21:04:25 +00:00
Lephenixnoir 54721cac93
README for the shell interface 2022-03-06 23:39:44 +00:00
Lephenixnoir 2394725074
add OS checksum computations 2022-03-06 22:50:48 +00:00
Lephenixnoir 4e76ff3a24
add command help messages 2022-03-06 16:15:19 +00:00
Lephenixnoir bd5e1f918c
change option syntax; less exceptions; better autocompletion
* Change option syntax to <name>=<value>, with mandatory "=". This is
  still not great, but manageable.
* Remove the Session::require_vspace() function, whose named overload
  was misused (to check for the existence of a named space), and the
  associated exceptions. Explicit error flow is better error flow.
* Change the autocompletion system to generate all options in a vector
  of strings and then iterate, rather than using generators.
* Add completion for symbols.
2022-03-04 22:54:45 +00:00
Lephenixnoir 3b684389e9
replace CLI with WIP shell (huge commit) 2022-03-04 11:29:33 +00:00
Lephenixnoir 0a659cc6e6
memory: correct end address for RAM and RAM_P2 2021-03-18 18:44:16 +01:00
Lephenixnoir f1ccb5ce88
use the less-painful CMake 2021-03-16 17:53:37 +01:00
Lephenixnoir 41fbdb144e
remove long-unused parser file 2021-03-16 17:30:53 +01:00
Lephenixnoir cd52f5efd6
rename TargetDescription into Target 2021-03-16 17:30:28 +01:00
Lephenixnoir 245af5e993
rename Target into VirtualSpace 2021-03-16 14:43:43 +01:00
Lephenixnoir ca1217af1b
lib/load-asm: greatly improve loading time with less strings 2021-03-16 13:40:36 +01:00
Lephenixnoir dea24a2547
print: fix ellipses after non-decodable words 2021-03-16 13:40:01 +01:00
Lephenixnoir c8b28b447f
masive improvements to memory use by compacting core objects
* Store CpuRegister on a single byte
* Store operation sizes (0, 1, 2, 4) on a single byte
* Share the (disp) and (imm) fields of instruction arguments
* Store instructions as char[12] instead of std::string (>32B)
* Store instruction args in Argument[2], not std::vector (>24B)

Size changes:
  CpuRegister:    4B ->  1B
  Argument:      24B ->  8B
  Instruction:  >64B -> 32B

This reduced the malloc size from 3.3M to 177k after a standard 40-line
disassembly (this excludes OS files mapped to memory), and improved the
loading time for the SH3 instruction table by about 30% (100 ms -> 65
ms).
2021-03-16 13:37:55 +01:00
Lephenixnoir fc9b292846
main: print malloc() stats after disassembly in verbose mode 2021-03-16 13:35:23 +01:00
Lephenixnoir c20db6a8ca
minor data storage improvements 2021-03-16 13:19:48 +01:00
Lephenixnoir 4c9b738247
(cosmetics) 2021-03-16 12:29:39 +01:00
Lephenixnoir 23809e40ef
improve help message to reflect implemented functions 2021-03-16 12:27:19 +01:00
Lephenixnoir c36b63870a
info: fix serial number 2021-03-16 12:25:10 +01:00
Lephenixnoir 41dd7ae092
library: don't use the install folder as library anymore 2021-03-16 12:22:55 +01:00
Lephenixnoir 9c49114928
symbols: add os and mpu constraints to symbol tables
Each of these constraints is specified in the header by an [os] or [mpu]
line. For the symbol table to be usable on a disassembly, both
constraints must be met:

* Either [os] is unset, no OS is used for disassembly, or the OS type is
  the same as the [os] constraint (either "fx" or "cg");
* Either [mpu] is unset, the disassembled target has no specified MPU,
  or the MPU type of the target is the same as the [mpu] constraint (eg
  "sh7305").
2020-06-13 11:23:46 +02:00
Lephenixnoir a572f20d4d
os: support fx-CG OS structures
This change adds OS parsing for fx-CG OSes; this includes the
information available in [fxos info] but also makes it possible to
disassemble syscalls using [fxos disasm].

Symbols and addresses, including syscall names, are still shared with
legacy FX versions, which is definitely a no-no.
2020-06-13 10:47:13 +02:00
Lephenixnoir 772a67e35e
print: show ellipses when addresses jump in output 2020-06-11 20:03:42 +02:00
Lephenixnoir 2e58a8850b
support non-decoded instructions
This finally makes it possible to disassemble any interval without
worrying about potential errors. That's some progress.

By the way, now we can fully disassemble fx@3.10. Takes about 6 seconds
for the analysis passes, and ~9 seconds for printing on my machine.
2020-02-29 16:32:25 +01:00
Lephenixnoir c1c1be2d2c
support for mova, and more responsible OS creation 2020-02-29 11:25:03 +01:00
Lephenixnoir ea44c1ffa1 base-library: add minimal library example
Because referencing the bible is not the best idea. It would be best to
not duplicate stuff around, so:

* The base-library is a minimal, never-evolving set of files
* The community documentation is in the fxdoc repository
* The OS files are on the bible's common/ folder (cleaning needed)
2020-02-28 16:50:08 +01:00
Lephenixnoir 3f462a2d07 disasm: support block disassembly (eg 80000000:4k). 2020-02-28 16:42:46 +01:00
Lephenixnoir c5a7071dcc better manage exceptions and instruction-level passes 2020-02-28 16:19:50 +01:00
Lephenixnoir fad6f48152 print: indent code lines less (1 space instead of 2) 2020-02-27 15:13:05 +01:00
Lephenixnoir ff3aec0a34 library: do not try to load directories as data files 2020-02-27 15:11:42 +01:00
Lephenixnoir b8faddce5b
add a detailed README 2020-02-17 23:01:31 +01:00
Lephenixnoir 54a79ca4b4
add support for flexible location specifiers 2020-02-17 22:56:41 +01:00
Lephenixnoir 5178a489be
add disassembly from arbitrary file
Also changes the naked pointer of the Buffer object to a shared_ptr.
Still learning how to use this thing, but I'll manage eventually.
2020-02-16 21:45:16 +01:00
Lephenixnoir 6ca3bc1f03
add the library command for a bit of introspection
The library commands lists the targets and instruction sets that have
been loaded from fxos data files.
2020-02-16 21:23:10 +01:00
Lephenixnoir a51dc7db4c
add syscall headers at the start of functions 2020-02-15 19:32:46 +01:00
Lephenixnoir d5c5fa6aeb
implement the syscall pass, and symbol resolution
New features:
* The syscall pass now resolves syscalls for the input target, provided
  that an OS is mapped on the ROM region.
* Formalized the variations of print's arguments as a sequence (tree, to
  be precise) of /promotions/.
* Added a short notion of Symbol and SymbolTable, and a loader for them.
  Data files of type "symbol" are read as such and provide name to
  syscalls or arbitrary addresses.

Code changes:
* The disassembly operation of the command-line interface is now finally
  in its own file with more room.
* Encoded the tree structure of promotions as a sequence of (mainly
  tail-calling) inter-calling methods in the print pass.
2020-02-15 18:42:14 +01:00