Defines starting with `g' in arch/i386/i386

• GCODE_SEL arch/i386/i386/machdep.c:637
• GDATA_SEL arch/i386/i386/machdep.c:638
• GLDT_SEL arch/i386/i386/machdep.c:639
• GNULL_SEL arch/i386/i386/machdep.c:636
• GPANIC_SEL arch/i386/i386/machdep.c:641
• GPROC0_SEL arch/i386/i386/machdep.c:642
• GTGATE_SEL arch/i386/i386/machdep.c:640