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This commit is contained in:
Kartik K. Agaram 2021-05-15 00:16:04 -07:00
parent 0e9503d739
commit a577c7fcb0
1 changed files with 0 additions and 20 deletions
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20
317abort.subx
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@ -34,7 +34,6 @@ dump-call-stack:
68/push 0/imm32/read
68/push 0/imm32/write
89/<- %edx 4/r32/esp
#? (draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0 %edx 0xf 0)
#
(load-debug-symbols %edx) # destroys the heap
# traverse the linked list of ebp pointers: https://wiki.osdev.org/Stack_Trace
@ -88,7 +87,6 @@ load-debug-symbols: # labels: (addr stream {start-address, label-slice})
# var curr/ecx: (addr byte) = s->data
81 0/subop/add %ecx 0xc/imm32
{
#? (draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0 "." 7 0)
# loop termination check
b8/copy-to-eax 0/imm32
8a/byte-> *ecx 0/r32/eax
@ -209,18 +207,11 @@ label-append: # labels: (addr stream {start-address, label-slice}), address: in
56/push-esi
# esi = labels
8b/-> *(ebp+8) 6/r32/esi
#? (draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0 %esi 7 0)
# ecx = labels->write
8b/-> *esi 1/r32/ecx
# labels->data[labels->write] = address
8b/-> *(ebp+0xc) 0/r32/eax
89/<- *(esi+ecx+0xc) 0/r32/eax
#? (draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0 %eax 7 0)
#? 8d/copy-address *(esi+ecx+0xc) 0/r32/eax
#? (draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0 %eax 7 0)
#? {
#? eb/jump loop/disp8
#? }
# labels->data[labels->write+4] = start
8b/-> *(ebp+0x10) 0/r32/eax
89/<- *(esi+ecx+0x10) 0/r32/eax
@ -247,18 +238,13 @@ containing-function: # labels: (addr stream {start-address, label-slice}), addr
52/push-edx
53/push-ebx
56/push-esi
#? (draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0 *(ebp+0xc) 7 0)
# esi = labels
8b/-> *(ebp+8) 6/r32/esi
#? (draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0 %esi 7 0)
# var curr/ecx: (addr byte) = labels->data
8d/copy-address *(esi+0xc) 1/r32/ecx
#? (draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0 %ecx 7 0)
#? (draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0 *ecx 7 0)
# var max/edx: (addr byte) = labels->data + labels->write
8b/-> *esi 2/r32/edx
01/add-to %edx 1/r32/ecx
#? (draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0 %edx 7 0)
# var previous-function-name/ebx: (addr slice) = 0
bb/copy-to-ebx 0/imm32
{
@ -276,7 +262,6 @@ containing-function: # labels: (addr stream {start-address, label-slice}), addr
8b/-> *ecx 0/r32/eax
3b/compare 0/r32/eax *(ebp+0xc)
0f 87/jump-if-addr> break/disp32
#? (draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0 "." 7 0)
# if **(curr+4) not '$' or '@', save curr to previous-function-name
{
8b/-> *(ecx+4) 0/r32/eax
@ -286,7 +271,6 @@ containing-function: # labels: (addr stream {start-address, label-slice}), addr
74/jump-if-= break/disp8
3d/compare-eax-and 0x40/imm32/@
74/jump-if-= break/disp8
#? (draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0 "found" 7 0)
8d/copy-address *(ecx+4) 3/r32/ebx
}
# loop update
@ -294,11 +278,8 @@ containing-function: # labels: (addr stream {start-address, label-slice}), addr
#
e9/jump loop/disp32
}
#? (draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0 %ebx 7 0)
8b/-> *ebx 0/r32/eax
#? (draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0 %eax 7 0)
8b/-> *(ebx+4) 1/r32/ecx
#? (draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0 %ecx 7 0)
$containing-function:end:
# . restore registers
5e/pop-to-esi
@ -330,7 +311,6 @@ draw-slice-wrapping-right-then-down-from-cursor-over-full-screen: # screen: (ad
73/jump-if-addr>= break/disp8
# print *curr
8a/byte-> *ecx 0/r32/eax
#? (draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen *(ebp+8) %eax *(ebp+0x14) *(ebp+0x18))
(draw-grapheme-at-cursor *(ebp+8) %eax *(ebp+0x14) *(ebp+0x18))
(move-cursor-rightward-and-downward *(ebp+8))
#