Info Catalog
gdb: Standard Target Features
gdb: ARC Features
G.5.1 AArch64 Features
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The 'org.gnu.gdb.aarch64.core' feature is required for AArch64 targets.
It should contain registers 'x0' through 'x30', 'sp', 'pc', and 'cpsr'.
The 'org.gnu.gdb.aarch64.fpu' feature is optional. If present, it
should contain registers 'v0' through 'v31', 'fpsr', and 'fpcr'.
The 'org.gnu.gdb.aarch64.sve' feature is optional. If present, it
should contain registers 'z0' through 'z31', 'p0' through 'p15', 'ffr'
and 'vg'.