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switch to global Heap

This commit is contained in:
Kartik Agaram 2019-07-09 16:00:55 -07:00
parent c01f78ff6a
commit 7761194ec1
2 changed files with 5 additions and 10 deletions
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@ -326,8 +326,6 @@ compute-offsets:file-offset: 0/imm32
compute-offsets:segment-offset: 0/imm32
compute-offsets:word-slice: 0/imm32/start
compute-offsets:word-slice:end: 0/imm32/end
compute-offsets:heap: 0/imm32/start
compute-offsets:heap:end: 0/imm32/end
== code
@ -393,12 +391,9 @@ compute-offsets: # in : (address buffered-file), segments : (address stream {st
# segment-offset = 0
b8/copy-to-EAX 0/imm32
89/copy 0/mod/indirect 5/rm32/.disp32 . . 0/r32/EAX compute-offsets:segment-offset/disp32 # copy EAX to *segment-offset
# var heap : (address allocation-descriptor) = {0, 0}
c7 0/subop/copy 0/mod/indirect 5/rm32/.disp32 . . . compute-offsets:heap/disp32 0/imm32 # copy to *compute-offsets:word-slice
c7 0/subop/copy 0/mod/indirect 5/rm32/.disp32 . . . compute-offsets:heap:end/disp32 0/imm32 # copy to *(compute-offsets:word-slice+4)
# new-segment(1024, heap)
# . . push args
68/push compute-offsets:heap/imm32
68/push Heap/imm32
68/push 0x400/imm32
# . . call
e8/call new-segment/disp32
@ -407,7 +402,7 @@ compute-offsets: # in : (address buffered-file), segments : (address stream {st
# line/ECX = new-stream(heap, 512, 1)
68/push 1/imm32
68/push 0x200/imm32
68/push compute-offsets:heap/imm32
68/push Heap/imm32
e8/call new-stream/disp32
# . discard args
81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP
@ -527,7 +522,7 @@ $compute-offsets:segment:
74/jump-if-equal $compute-offsets:construct-next-segment/disp8
# EAX = slice-to-string(curr-segment-name)
68/push compute-offsets:curr-segment-name/imm32
68/push compute-offsets:heap/imm32
68/push Heap/imm32
e8/call slice-to-string/disp32
# . . discard args
81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP
@ -605,7 +600,7 @@ $compute-offsets:construct-next-segment:
53/push-EBX
# EAX = slice-to-string(curr-segment-name)
68/push compute-offsets:curr-segment-name/imm32
68/push compute-offsets:heap/imm32
68/push Heap/imm32
e8/call slice-to-string/disp32
# . . discard args
81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP
@ -647,7 +642,7 @@ $compute-offsets:construct-next-segment:
$compute-offsets:else:
# EAX = slice-to-string(curr-segment-name)
52/push-EDX
68/push compute-offsets:heap/imm32
68/push Heap/imm32
e8/call slice-to-string/disp32
# . . discard args
81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP