Macro for displaying values

[peter_asm]

Let's say I wanted to print size of code between 1 label and another while the assembler was generating object code, is this possible using a macro?
Like, I wanted length of code between label_A and label_B

Code Select Expand


%out Size of code is (label_B - label_A)

label_A:
  xor eax, eax
  ret
label_B:

Then when i assemble, it would display.

Size of code is 3

[edit] nevermind, found way using @CatStr

[jj2007]

include \masm32\include\masm32rt.inc

CodeSize MACRO algo      ; adapted from MasmBasic
  pushad
  mov eax, offset &algo&_endp
  sub eax, offset &algo&_s
  print str$(eax), " bytes for &algo&", 13, 10
  popad
ENDM

.code
start:
  xx_s:         ; start label
  xor eax, eax
  xx_endp:      ; end label
  CodeSize xx
  exit
end start

[qWord]

[edit] nevermind, found way using @CatStr

Be warned,  MASM does (AFAIK) only show correct result for something like @CatStr(%lbl2-lbl1) as long as no forward reference occurs in the range [lbl1,lbl2).