Symbol: DW_FRAME_REG31
usr/src/lib/libdwarf/common/dwarf.h
1287
#define DW_FRAME_REG31 31 /* integer reg 31, aka ra */
usr/src/lib/libdwarf/common/dwarf_names_enum.h
1019
DW_FRAME_REG31 = 0x0031,