Info Catalog
gdb: NDS32 Features
gdb: Standard Target Features
gdb: OpenRISC 1000 Features
G.5.9 Nios II Features
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The 'org.gnu.gdb.nios2.cpu' feature is required for Nios II targets. It
should contain the 32 core registers ('zero', 'at', 'r2' through 'r23',
'et' through 'ra'), 'pc', and the 16 control registers ('status' through
'mpuacc').