| * local labels |
| * two forms, $[0-9] and label? are allowed |
| * Local labels are undefined/reset in one of four ways: |
| * .newblock |
| * changing sections |
| * entering an include file |
| * leaving an include file |
| .global addra, addrb, addrc |
| label1: ld addra,a |
| sub addrb,a |
| bc $1, alt ; generates frag! |
| ld addrb, a |
| b $2 |
| $1: ld addra,a |
| $2 add addrc,a |
| .newblock |
| bc $1,alt |
| stl a, addrc |
| $1 nop |
| |
| * #1, First definition of local label 'lab' |
| nop |
| lab? add #1,a ; reports as line 17? |
| b lab? |
| * #2, Included file also defines local label 'lab' |
| .copy labels.inc |
| * #3, Next definition; exit from .copy clears all locals |
| lab? add #3,a ; reports as line 22? |
| b lab? |
| * #4, Next definition is within macro; supersedes previous definition while |
| * within the macro |
| mac .macro |
| lab? add #4,a ; line 31? |
| b lab? |
| .endm |
| * Macro invocation |
| mac |
| * This reference should resolve to definition #3 |
| after_macro: |
| b lab? |
| * Section change clears all definitions; it's a CODE section if we see insns |
| .sect new_section |
| nop |
| lab? add #5,a |
| nop |
| nop |
| b lab? |
| * Newblock directive clears local labels |
| .newblock |
| lab? add #6,a |
| nop |
| nop |
| b lab? |
| .end |
| |
