keep zeroed stack as clean as possible (Sebastian <scut@nb.in-berlin.de>)

l_lx_sep86.asm fold_elf86.asm committer: jreiser <jreiser> 994702928 +0000
2001-07-09 18:22:08 +00:00
parent e08d3858be
commit caca5ffa12
2 changed files with 2 additions and 4 deletions
@@ -196,8 +196,7 @@ EXTERN make_hatch
        mov ebx, ebp
        and ebx, ecx  ; round down to page boundary
        neg ecx  ; PAGE_SIZE  (this stub fits in it)
-        push byte __NR_munmap
-        pop eax
+        mov eax, __NR_munmap  ; do not dirty the stack with push byte + pop
        jmp edx  ; unmap ourselves, then goto entry

 do_auxv:  ; entry: %esi=src = &argc; %edi=dst.  exit: %edi= &AT_NULL