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debugging helper: heap remaining

main
Kartik K. Agaram 11 months ago
parent
commit
4eda8c599c
  1. 12
      120allocate.subx
  2. 1
      400.mu

12
120allocate.subx

@ -75,6 +75,18 @@ $allocate:end:
5d/pop-to-ebp
c3/return
heap-bound: # -> _/eax: int
# . prologue
55/push-ebp
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
#
8b/copy 0/mod/indirect 5/rm32/.disp32 . . 0/r32/eax Heap/disp32 . # copy *Heap to eax
$heap-bound:end:
# . epilogue
89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
5d/pop-to-ebp
c3/return
# Claim the next 'n' bytes of memory starting at ad->curr and update ad->curr.
# Abort if there isn't enough memory in 'ad'.
allocate-raw: # ad: (addr allocation-descriptor), n: int, out: (addr handle _)

1
400.mu

@ -38,6 +38,7 @@ sig turn-on-debug-print
sig turn-off-debug-print
sig abort e: (addr array byte)
sig dump-call-stack
sig heap-bound -> _/eax: int
sig count-event
sig count-of-events -> _/eax: int

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