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Write a debugger plugin

- Adding the debugger registers profile into the shlr/gdb/src/core.c

• Adding the registers profile and architecture support in the libr/debug/p/debug_native.c and libr/debug/p/debug_gdb.c * Add the code to apply the profiles into the function `r_debug_gdb_attach(RDebug *dbg, int pid)`

If you want to add support for the gdb, you can see the register profile in the active gdb session using command `maint print registers`.

More to come..

- Related article: http://radare.today/posts/extending-r2-with-new-plugins/

Some commits related to "Implementing a new architecture"

- Extensa: https://github.com/radareorg/radare2/commit/6f1655c49160fe9a287020537afe0fb8049085d7

- Malbolge: https://github.com/radareorg/radare2/pull/579

- 6502: https://github.com/radareorg/radare2/pull/656

- h8300: https://github.com/radareorg/radare2/pull/664

- GBA: https://github.com/radareorg/radare2/pull/702

- CR16: https://github.com/radareorg/radare2/pull/721/ && 726

- XCore: https://github.com/radareorg/radare2/commit/bb16d1737ca5a471142f16ccfa7d444d2713a54d

- SharpLH5801: https://github.com/neuschaefer/radare2/commit/f4993cca634161ce6f82a64596fce45fe6b818e7

- MSP430: https://github.com/radareorg/radare2/pull/1426

- HP-PA-RISC: https://github.com/radareorg/radare2/commit/f8384feb6ba019b91229adb8fd6e0314b0656f7b

- V810: https://github.com/radareorg/radare2/pull/2899

- TMS320: https://github.com/radareorg/radare2/pull/596

Implementing a new pseudo architecture

This is an simple plugin for z80 that you may use as example:

https://github.com/radareorg/radare2/commit/8ff6a92f65331cf8ad74cd0f44a60c258b137a06