Totalview® Reference Guide : PART III Platforms and Operating Systems : Chapter 11 Architectures : Intel IA-64 : Current Frame Marker Register Fields (CFM)
Current Frame Marker Register Fields (CFM)
Each general register stack frame is associated with a frame marker. The frame maker describes the state of the general register stack. The Current Frame Marker (CFM) holds the state of the current stack frame.
Bit Range
Field
Meaning
6:0
sof
Size of frame
13:7
sol
Size of locals portion of stack frame
17:14
sor
Size of rotating portion of stack frame (number of rotating registers is sor*8
24:18
rrb.gr
Register rename base for general registers
31:25
rrb.fr
Register rename base for float registers
37:32
rrb.pr
Register rename base for predicate registers