diff options
| author | bellard <bellard> | 2005-04-17 13:10:37 +0000 |
|---|---|---|
| committer | bellard <bellard> | 2005-04-17 13:10:37 +0000 |
| commit | 5556cf15656ad1e433ec20502411411e30a4cdc7 (patch) | |
| tree | 2105947a5bdaefd49ef9db9af5080498ef04ef42 /win32/lib/chkstk.S | |
| parent | 6144d433211b4c5ceb68d6ffa500d6d54c3a2d67 (diff) | |
| download | tinycc-5556cf15656ad1e433ec20502411411e30a4cdc7.tar.gz tinycc-5556cf15656ad1e433ec20502411411e30a4cdc7.tar.bz2 | |
dos2unix
Diffstat (limited to 'win32/lib/chkstk.S')
| -rw-r--r-- | win32/lib/chkstk.S | 58 |
1 files changed, 29 insertions, 29 deletions
diff --git a/win32/lib/chkstk.S b/win32/lib/chkstk.S index 8e16d74..837d8af 100644 --- a/win32/lib/chkstk.S +++ b/win32/lib/chkstk.S @@ -1,29 +1,29 @@ -// =================================================
-// chkstk.s
-
-.text
-.globl __chkstk
-
-__chkstk:
- xchg (%esp), %ebp // store ebp, get ret.addr
- push %ebp // push ret.addr
- lea 4(%esp), %ebp // setup frame ptr
- push %ecx // save ecx
- mov %ebp, %ecx
-P0:
- sub $4096,%ecx
- test %eax,(%ecx)
- sub $4096,%eax
- cmp $4096,%eax
- jge P0
-
- sub %eax,%ecx
- mov %esp,%eax
- test %eax,(%ecx)
- mov %ecx,%esp
-
- mov (%eax),%ecx // restore ecx
- mov 4(%eax),%eax
- push %eax
- ret
-
+// ================================================= +// chkstk.s + +.text +.globl __chkstk + +__chkstk: + xchg (%esp), %ebp // store ebp, get ret.addr + push %ebp // push ret.addr + lea 4(%esp), %ebp // setup frame ptr + push %ecx // save ecx + mov %ebp, %ecx +P0: + sub $4096,%ecx + test %eax,(%ecx) + sub $4096,%eax + cmp $4096,%eax + jge P0 + + sub %eax,%ecx + mov %esp,%eax + test %eax,(%ecx) + mov %ecx,%esp + + mov (%eax),%ecx // restore ecx + mov 4(%eax),%eax + push %eax + ret + |