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kolibrios/programs/develop/fasm/trunk/symbdump.inc

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symbol_dump:
push edi
mov edx,[memory_end]
symb_dump:
cmp edx,[labels_list]
jbe symbols_dumped
sub edx,LABEL_STRUCTURE_SIZE
cmp dword [edx+24],0
je symb_dump ; do not dump anonymous symbols
test byte [edx+8],1
jz symb_dump ; do not dump symbols that didn't get defined
mov ax,[current_pass]
cmp ax,[edx+16]
jne symb_dump
test byte [edx+8],4 or 2
jnz symb_dump ; do not dump assembly-time variables
; do not dump variables defined with '='
cmp word [edx+12], 0
jnz symb_dump ; do not dump register-based variables
mov al, '0'
stosb
mov al, 'x'
stosb
mov eax, [edx+4]
mov ecx, 8
@@:
rol eax, 4
test al, 0xF
loopz @b
jz .nohigh
inc ecx
@@:
push eax
and al, 0xF
cmp al, 10
sbb al, 69h
das
stosb
pop eax
rol eax, 4
loop @b
mov eax, [edx]
mov ecx, 8
jmp .low
.nohigh:
mov eax, [edx]
mov ecx, 8
@@:
rol eax, 4
test al, 0xF
loopz @b
inc ecx
.low:
push eax
and al, 0xF
cmp al, 10
sbb al, 69h
das
stosb
pop eax
rol eax, 4
loop .low
mov al, ' '
stosb
mov esi,[edx+24]
movzx ecx,byte [esi-1]
rep movsb
mov ax,0A0Dh
stosw
jmp symb_dump
symbols_dumped:
mov edx,dbgfilename
push esi edi
mov esi, outfile
mov edi, edx
@@:
lodsb
stosb
test al, al
jnz @b
lea ecx, [edi-1]
@@:
dec edi
cmp edi, edx
jb @f
cmp byte [edi], '/'
jz @f
cmp byte [edi], '.'
jnz @b
mov ecx, edi
@@:
mov dword [ecx], '.dbg'
mov byte [ecx+4], 0
pop edi esi
call create
mov edx,[esp]
mov ecx,edi
sub ecx,edx
call write
call close
pop edi
ret