G.5.2 Alpha Features

The ‘org.gnu.gdb.alpha.core’ feature is required for Alpha targets. It must contain the following 64-bit registers; note that GDB uses the software names for Alpha registers:

• - ‘v0’: function return value
• - ‘t0’ through ‘t12’: temporary registers
• - ‘s0’ through ‘s5’: saved registers
• - ‘fp’: frame pointer
• - ‘a0’ through ‘a5’: argument registers
• - ‘ra’: return address
• - ‘at’: assembler temporary register
• - ‘gp’: global pointer
• - ‘sp’: stack pointer
• - ‘zero’: always zero
• - ‘f0’ through ‘f30’: floating-point registers
• - ‘fpcr’: floating-point control register
• - ‘pc’: program counter
• - ‘’: an anonymous register for historical purpose
• - ‘unique’: PALcode memory slot