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Kirill Smelkov
mariadb
Commits
4508fbb5
Commit
4508fbb5
authored
Mar 05, 2002
by
monty@tik.mysql.fi
Browse files
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Use portable comments in assembler files
parent
cb3499b7
Changes
3
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3 changed files
with
222 additions
and
208 deletions
+222
-208
Docs/manual.texi
Docs/manual.texi
+20
-4
strings/longlong2str-x86.s
strings/longlong2str-x86.s
+14
-15
strings/strings-x86.s
strings/strings-x86.s
+188
-189
No files found.
Docs/manual.texi
View file @
4508fbb5
...
...
@@ -566,7 +566,8 @@ a commercial memory leakage detector.
@item
Works on many different platforms. @xref{Which OS}.
@item
Uses GNU Automake, Autoconf (Ver 2.52 or newer), and Libtool for portability.
Uses GNU Automake (1.4), Autoconf (Ver 2.52 or newer), and Libtool for
portability.
@item
APIs for C, C++, Eiffel, Java, Perl, PHP, Python and Tcl. @xref{Clients}.
@item
...
...
@@ -7015,11 +7016,10 @@ The initial download of the source tree may take a while, depending on the
speed of your connection; be patient.
@item
You will need GNU @code{autoconf 2.
13
}, @code{automake 1.4},
You will need GNU @code{autoconf 2.
52
}, @code{automake 1.4},
@code{libtool}, and @code{m4} to run the next set of commands.
If you are using the 3.23 tree the new versions of @code{autoconf}
(2.52) and @code{automake} (1.5) will not work.
@code{automake} (1.5) doesn't yet work.
If you get some strange error during this stage, check that you really
have @code{libtool} installed!
...
...
@@ -13707,6 +13707,13 @@ tell @code{mysql} to read its input from the file:
shell> mysql < batch-file
@end example
If you are running @code{mysql} under windows and have some special
characters in the file that causes problems, you can do:
@example
dos> mysql -e "source batch-file"
@end example
If you need to specify connection parameters on the command line, the
command might look like this:
...
...
@@ -13718,6 +13725,9 @@ Enter password: ********
When you use @code{mysql} this way, you are creating a script file, then
executing the script.
If you want the script to continue even if you have errors, you should
use the @code{--force} command line option.
Why use a script? Here are a few reasons:
@itemize @bullet
...
...
@@ -13791,6 +13801,12 @@ If you want to get the interactive output format in batch mode, use
@code{mysql -t}. To echo to the output the commands that are executed, use
@code{mysql -vvv}.
You can also use scripts in the @code{mysql} command line prompt by
using the @code{source} command:
@example
mysql> source filename
@end example
@node Twin, Apache, Batch mode, Tutorial
@section Queries from Twin Project
strings/longlong2str-x86.s
View file @
4508fbb5
/*
Copyright
(
C
)
2000
MySQL
AB
&
MySQL
Finland
AB
&
TCX
DataKonsult
AB
This
program
is
free
software
; you can redistribute it and/or modify
it
under
the
terms
of
the
GNU
General
Public
License
as
published
by
the
Free
Software
Foundation
; either version 2 of the License, or
(
at
your
option
)
any
later
version
.
This
program
is
distributed
in
the
hope
that
it
will
be
useful
,
but
WITHOUT
ANY
WARRANTY
; without even the implied warranty of
MERCHANTABILITY
or
FITNESS
FOR
A
PARTICULAR
PURPOSE
.
See
the
GNU
General
Public
License
for
more
details
.
You
should
have
received
a
copy
of
the
GNU
General
Public
License
along
with
this
program
; if not, write to the Free Software
Foundation
,
Inc
.
,
59
Temple
Place
,
Suite
330
,
Boston
,
MA
02111
-
1307
USA
*/
#
Copyright
(
C
)
2000
MySQL
AB
#
This
program
is
free
software
; you can redistribute it and/or modify
#
it
under
the
terms
of
the
GNU
General
Public
License
as
published
by
#
the
Free
Software
Foundation
; either version 2 of the License, or
#
(
at
your
option
)
any
later
version
.
#
#
This
program
is
distributed
in
the
hope
that
it
will
be
useful
,
#
but
WITHOUT
ANY
WARRANTY
; without even the implied warranty of
#
MERCHANTABILITY
or
FITNESS
FOR
A
PARTICULAR
PURPOSE
.
See
the
#
GNU
General
Public
License
for
more
details
.
#
#
You
should
have
received
a
copy
of
the
GNU
General
Public
License
#
along
with
this
program
; if not, write to the Free Software
#
Foundation
,
Inc
.
,
59
Temple
Place
,
Suite
330
,
Boston
,
MA
02111
-
1307
USA
#
Optimized
longlong2str
function
for
Intel
80
x86
(
gcc
/
gas
syntax
)
#
Some
set
sequences
are
optimized
for
pentuimpro
II
...
...
strings/strings-x86.s
View file @
4508fbb5
/*
Copyright
(
C
)
2000
MySQL
AB
&
MySQL
Finland
AB
&
TCX
DataKonsult
AB
This
program
is
free
software
; you can redistribute it and/or modify
it
under
the
terms
of
the
GNU
General
Public
License
as
published
by
the
Free
Software
Foundation
; either version 2 of the License, or
(
at
your
option
)
any
later
version
.
This
program
is
distributed
in
the
hope
that
it
will
be
useful
,
but
WITHOUT
ANY
WARRANTY
; without even the implied warranty of
MERCHANTABILITY
or
FITNESS
FOR
A
PARTICULAR
PURPOSE
.
See
the
GNU
General
Public
License
for
more
details
.
You
should
have
received
a
copy
of
the
GNU
General
Public
License
along
with
this
program
; if not, write to the Free Software
Foundation
,
Inc
.
,
59
Temple
Place
,
Suite
330
,
Boston
,
MA
02111
-
1307
USA
*/
/*
Optimized
string
functions
Intel
80
x86
(
gcc
/
gas
syntax
)
*/
#
Copyright
(
C
)
2000
MySQL
AB
#
This
program
is
free
software
; you can redistribute it and/or modify
#
it
under
the
terms
of
the
GNU
General
Public
License
as
published
by
#
the
Free
Software
Foundation
; either version 2 of the License, or
#
(
at
your
option
)
any
later
version
.
#
#
This
program
is
distributed
in
the
hope
that
it
will
be
useful
,
#
but
WITHOUT
ANY
WARRANTY
; without even the implied warranty of
#
MERCHANTABILITY
or
FITNESS
FOR
A
PARTICULAR
PURPOSE
.
See
the
#
GNU
General
Public
License
for
more
details
.
#
#
You
should
have
received
a
copy
of
the
GNU
General
Public
License
#
along
with
this
program
; if not, write to the Free Software
#
Foundation
,
Inc
.
,
59
Temple
Place
,
Suite
330
,
Boston
,
MA
02111
-
1307
USA
#
Optimized
string
functions
Intel
80
x86
(
gcc
/
gas
syntax
)
.
file
"strings.s"
.
version
"1.00"
.
text
/
*
Move
a
alligned
,
not
overlapped
,
by
(
long
)
divided
memory
area
*/
/
*
Args
:
to
,
from
,
length
*/
#
Move
a
alligned
,
not
overlapped
,
by
(
long
)
divided
memory
area
#
Args
:
to
,
from
,
length
.
globl
bmove_allign
.
type
bmove_allign
,
@
function
bmove_allign
:
movl
%
edi
,%
edx
movl
%
esi
,%
eax
movl
4
(%
esp
),%
edi
/*
to
*/
movl
8
(%
esp
),%
esi
/*
from
*/
movl
12
(%
esp
),%
ecx
/*
length
*/
addw
$
3
,%
cx
/*
fix
if
not
divisible
with
long
*/
movl
4
(%
esp
),%
edi
#
to
movl
8
(%
esp
),%
esi
#
from
movl
12
(%
esp
),%
ecx
#
length
addw
$
3
,%
cx
#
fix
if
not
divisible
with
long
shrw
$
2
,%
cx
rep
movsl
...
...
@@ -42,198 +41,198 @@ bmove_allign:
.
end
:
.
size
bmove_allign
,
.
end
-
bmove_allign
/
*
Move
a
string
from
higher
to
lower
*/
/
*
Arg
from
+
1
,
to
+
1
,
length
*/
#
Move
a
string
from
higher
to
lower
#
Arg
from
+
1
,
to
+
1
,
length
.
globl
bmove_upp
.
type
bmove_upp
,
@
function
bmove_upp
:
std
/*
Work
downward
*/
std
#
Work
downward
movl
%
edi
,%
edx
movl
%
esi
,%
eax
movl
4
(%
esp
),%
edi
/*
p1
*/
movl
8
(%
esp
),%
esi
/*
p2
*/
movl
12
(%
esp
),%
ecx
/*
length
*/
decl
%
edi
/*
Don
't move last arg */
movl
4
(%
esp
),%
edi
#
p1
movl
8
(%
esp
),%
esi
#
p2
movl
12
(%
esp
),%
ecx
#
length
decl
%
edi
#
Don
't move last arg
decl
%
esi
rep
movsb
/*
One
byte
a
time
because
overlap
*/
cld
/*
C
library
wants
cld
*/
movsb
#
One
byte
a
time
because
overlap
cld
#
C
library
wants
cld
movl
%
eax
,%
esi
movl
%
edx
,%
edi
ret
.
bmove_upp_end
:
.
size
bmove_upp
,
.
bmove_upp_end
-
bmove_upp
/
*
Append
fillchars
to
string
*/
/
*
Args
:
dest
,
len
,
fill
*/
#
Append
fillchars
to
string
#
Args
:
dest
,
len
,
fill
.
globl
strappend
.
type
strappend
,
@
function
strappend
:
pushl
%
edi
movl
8
(%
esp
),%
edi
/*
Memory
pointer
*/
movl
12
(%
esp
),%
ecx
/*
Length
*/
clrl
%
eax
/*
Find
end
of
string
*/
movl
8
(%
esp
),%
edi
#
Memory
pointer
movl
12
(%
esp
),%
ecx
#
Length
clrl
%
eax
#
Find
end
of
string
repne
scasb
jnz
sa_99
/*
String
to
long
,
shorten
it
*/
movzb
16
(%
esp
),%
eax
/*
Fillchar
*/
decl
%
edi
/*
Point
at
end
null
*/
incl
%
ecx
/*
rep
made
one
dec
for
null
-
char
*/
movb
%
al
,%
ah
/*
(
2
)
Set
up
a
32
bit
pattern
.
*/
movw
%
ax
,%
dx
/*
(
2
)
*/
shll
$
16
,%
eax
/*
(
3
)
*/
movw
%
dx
,%
ax
/*
(
2
)
%
eax
has
the
32
bit
pattern
.
*/
movl
%
ecx
,%
edx
/*
(
2
)
Save
the
count
of
bytes
.
*/
shrl
$
2
,%
ecx
/*
(
2
)
Number
of
dwords
.
*/
jnz
sa_99
#
String
to
long
,
shorten
it
movzb
16
(%
esp
),%
eax
#
Fillchar
decl
%
edi
#
Point
at
end
null
incl
%
ecx
#
rep
made
one
dec
for
null
-
char
movb
%
al
,%
ah
#
(
2
)
Set
up
a
32
bit
pattern
.
movw
%
ax
,%
dx
#
(
2
)
shll
$
16
,%
eax
#
(
3
)
movw
%
dx
,%
ax
#
(
2
)
%
eax
has
the
32
bit
pattern
.
movl
%
ecx
,%
edx
#
(
2
)
Save
the
count
of
bytes
.
shrl
$
2
,%
ecx
#
(
2
)
Number
of
dwords
.
rep
stosl
/*
(
5
+
5
n
)
*/
movb
$
3
,%
cl
/*
(
2
)
*/
and
%
edx
,%
ecx
/*
(
2
)
Fill
in
the
odd
bytes
*/
stosl
#
(
5
+
5
n
)
movb
$
3
,%
cl
#
(
2
)
and
%
edx
,%
ecx
#
(
2
)
Fill
in
the
odd
bytes
rep
stosb
/*
Move
last
bytes
if
any
*/
stosb
#
Move
last
bytes
if
any
sa_99
:
movb
$
0
,(%
edi
)
/*
End
of
string
*/
sa_99
:
movb
$
0
,(%
edi
)
#
End
of
string
popl
%
edi
ret
.
strappend_end
:
.
size
strappend
,
.
strappend_end
-
strappend
/
*
Find
if
string
contains
any
char
in
another
string
*/
/
*
Arg
:
str
,
set
*/
/
*
Ret
:
Pointer
to
first
found
char
in
str
*/
#
Find
if
string
contains
any
char
in
another
string
#
Arg
:
str
,
set
#
Ret
:
Pointer
to
first
found
char
in
str
.
globl
strcont
.
type
strcont
,
@
function
strcont
:
movl
%
edi
,%
edx
pushl
%
esi
movl
8
(%
esp
),%
esi
/*
str
*/
movl
12
(%
esp
),%
ecx
/*
set
*/
clrb
%
ah
/*
For
endtest
*/
movl
8
(%
esp
),%
esi
#
str
movl
12
(%
esp
),%
ecx
#
set
clrb
%
ah
#
For
endtest
jmp
sc_60
sc_10
:
scasb
jz
sc_fo
/*
Found
char
*/
sc_20
:
cmp
(%
edi
),%
ah
/*
Test
if
null
*/
jnz
sc_10
/*
Not
end
of
set
yet
*/
incl
%
esi
/*
Next
char
in
str
*/
sc_60
:
movl
%
ecx
,%
edi
/*
%
edi
=
Set
*/
movb
(%
esi
),%
al
/*
Test
if
this
char
exist
*/
jz
sc_fo
#
Found
char
sc_20
:
cmp
(%
edi
),%
ah
#
Test
if
null
jnz
sc_10
#
Not
end
of
set
yet
incl
%
esi
#
Next
char
in
str
sc_60
:
movl
%
ecx
,%
edi
#
%
edi
=
Set
movb
(%
esi
),%
al
#
Test
if
this
char
exist
andb
%
al
,%
al
jnz
sc_20
/*
Not
end
of
string
*/
clrl
%
esi
/*
Return
Null
*/
sc_fo
:
movl
%
esi
,%
eax
/*
Char
found
here
*/
movl
%
edx
,%
edi
/*
Restore
*/
jnz
sc_20
#
Not
end
of
string
clrl
%
esi
#
Return
Null
sc_fo
:
movl
%
esi
,%
eax
#
Char
found
here
movl
%
edx
,%
edi
#
Restore
popl
%
esi
ret
.
strcont_end
:
.
size
strcont
,
.
strcont_end
-
strcont
/
*
Find
end
of
string
*/
/
*
Arg
:
str
*/
/
*
ret
:
Pointer
to
end
null
*/
#
Find
end
of
string
#
Arg
:
str
#
ret
:
Pointer
to
end
null
.
globl
strend
.
type
strend
,
@
function
strend
:
movl
%
edi
,%
edx
/*
Save
*/
movl
4
(%
esp
),%
edi
/*
str
*/
clrl
%
eax
/*
Find
end
of
string
*/
movl
%
edi
,%
edx
#
Save
movl
4
(%
esp
),%
edi
#
str
clrl
%
eax
#
Find
end
of
string
movl
%
eax
,%
ecx
decl
%
ecx
/*
ECX
=
-
1
*/
decl
%
ecx
#
ECX
=
-
1
repne
scasb
movl
%
edi
,%
eax
decl
%
eax
/*
End
of
string
*/
movl
%
edx
,%
edi
/*
Restore
*/
decl
%
eax
#
End
of
string
movl
%
edx
,%
edi
#
Restore
ret
.
strend_end
:
.
size
strend
,
.
strend_end
-
strend
/
*
Make
a
string
with
len
fill
-
chars
and
endnull
*/
/
*
Args
:
dest
,
len
,
fill
*/
/
*
Ret
:
dest
+
len
*/
#
Make
a
string
with
len
fill
-
chars
and
endnull
#
Args
:
dest
,
len
,
fill
#
Ret
:
dest
+
len
.
globl
strfill
.
type
strfill
,
@
function
strfill
:
pushl
%
edi
movl
8
(%
esp
),%
edi
/*
Memory
pointer
*/
movl
12
(%
esp
),%
ecx
/*
Length
*/
movzb
16
(%
esp
),%
eax
/*
Fill
*/
movl
8
(%
esp
),%
edi
#
Memory
pointer
movl
12
(%
esp
),%
ecx
#
Length
movzb
16
(%
esp
),%
eax
#
Fill
movb
%
al
,%
ah
/*
(
2
)
Set
up
a
32
bit
pattern
*/
movw
%
ax
,%
dx
/*
(
2
)
*/
shll
$
16
,%
eax
/*
(
3
)
*/
movw
%
dx
,%
ax
/*
(
2
)
%
eax
has
the
32
bit
pattern
.
*/
movb
%
al
,%
ah
#
(
2
)
Set
up
a
32
bit
pattern
movw
%
ax
,%
dx
#
(
2
)
shll
$
16
,%
eax
#
(
3
)
movw
%
dx
,%
ax
#
(
2
)
%
eax
has
the
32
bit
pattern
.
movl
%
ecx
,%
edx
/*
(
2
)
Save
the
count
of
bytes
.
*/
shrl
$
2
,%
ecx
/*
(
2
)
Number
of
dwords
.
*/
movl
%
ecx
,%
edx
#
(
2
)
Save
the
count
of
bytes
.
shrl
$
2
,%
ecx
#
(
2
)
Number
of
dwords
.
rep
stosl
/*
(
5
+
5
n
)
*/
movb
$
3
,%
cl
/*
(
2
)
*/
and
%
edx
,%
ecx
/*
(
2
)
Fill
in
the
odd
bytes
*/
stosl
#
(
5
+
5
n
)
movb
$
3
,%
cl
#
(
2
)
and
%
edx
,%
ecx
#
(
2
)
Fill
in
the
odd
bytes
rep
stosb
/*
Move
last
bytes
if
any
*/
stosb
#
Move
last
bytes
if
any
movb
%
cl
,(%
edi
)
/*
End
NULL
*/
movl
%
edi
,%
eax
/*
End
i
%
eax
*/
movb
%
cl
,(%
edi
)
#
End
NULL
movl
%
edi
,%
eax
#
End
i
%
eax
popl
%
edi
ret
.
strfill_end
:
.
size
strfill
,
.
strfill_end
-
strfill
/
*
Find
a
char
in
or
end
of
a
string
*/
/
*
Arg
:
str
,
char
*/
/
*
Ret
:
pointer
to
found
char
or
NullS
*/
#
Find
a
char
in
or
end
of
a
string
#
Arg
:
str
,
char
#
Ret
:
pointer
to
found
char
or
NullS
.
globl
strcend
.
type
strcend
,
@
function
strcend
:
movl
%
edi
,%
edx
movl
4
(%
esp
),%
edi
/*
str
*/
movb
8
(%
esp
),%
ah
/*
search
*/
clrb
%
al
/*
for
scasb
to
find
end
*/
movl
4
(%
esp
),%
edi
#
str
movb
8
(%
esp
),%
ah
#
search
clrb
%
al
#
for
scasb
to
find
end
se_10
:
cmpb
(%
edi
),%
ah
jz
se_20
/*
Found
char
*/
jz
se_20
#
Found
char
scasb
jnz
se_10
/*
Not
end
*/
dec
%
edi
/*
Not
found
,
point
at
end
of
string
*/
jnz
se_10
#
Not
end
dec
%
edi
#
Not
found
,
point
at
end
of
string
se_20
:
movl
%
edi
,%
eax
movl
%
edx
,%
edi
/*
Restore
*/
movl
%
edx
,%
edi
#
Restore
ret
.
strcend_end
:
.
size
strcend
,
.
strcend_end
-
strcend
/
*
Test
if
string
has
a
given
suffix
*/
#
Test
if
string
has
a
given
suffix
.
globl
is_prefix
.
type
is_prefix
,
@
function
is_prefix
:
movl
%
edi
,%
edx
/*
Save
%
edi
*/
pushl
%
esi
/*
and
%
esi
*/
movl
12
(%
esp
),%
esi
/*
get
suffix
*/
movl
8
(%
esp
),%
edi
/*
s1
*/
movl
$
1
,%
eax
/*
Ok
and
zero
-
test
*/
movl
%
edi
,%
edx
#
Save
%
edi
pushl
%
esi
#
and
%
esi
movl
12
(%
esp
),%
esi
#
get
suffix
movl
8
(%
esp
),%
edi
#
s1
movl
$
1
,%
eax
#
Ok
and
zero
-
test
ip_10
:
cmpb
(%
esi
),%
ah
jz
suf_ok
/*
End
of
string
/
found
suffix
*/
cmpsb
/*
Compare
strings
*/
jz
ip_10
/*
Same
,
possible
prefix
*/
xor
%
eax
,%
eax
/*
Not
suffix
*/
jz
suf_ok
#
End
of
string
/
found
suffix
cmpsb
#
Compare
strings
jz
ip_10
#
Same
,
possible
prefix
xor
%
eax
,%
eax
#
Not
suffix
suf_ok
:
popl
%
esi
movl
%
edx
,%
edi
ret
.
is_prefix_end
:
.
size
is_prefix
,
.
is_prefix_end
-
is_prefix
/
*
Find
a
substring
in
string
*/
/
*
Arg
:
str
,
search
*/
#
Find
a
substring
in
string
#
Arg
:
str
,
search
.
globl
strstr
.
type
strstr
,
@
function
...
...
@@ -241,31 +240,31 @@ suf_ok: popl %esi
strstr
:
pushl
%
edi
pushl
%
esi
movl
12
(%
esp
),%
esi
/*
str
*/
movl
16
(%
esp
),%
edi
/*
search
*/
movl
12
(%
esp
),%
esi
#
str
movl
16
(%
esp
),%
edi
#
search
movl
%
edi
,%
ecx
incl
%
ecx
/*
%
ecx
=
search
+
1
*/
movb
(%
edi
),%
ah
/*
%
ah
=
First
char
in
search
*/
incl
%
ecx
#
%
ecx
=
search
+
1
movb
(%
edi
),%
ah
#
%
ah
=
First
char
in
search
jmp
sf_10
sf_00
:
movl
%
edx
,%
esi
/*
si
=
Current
str
-
pos
*/
sf_10
:
movb
(%
esi
),%
al
/*
Test
if
this
char
exist
*/
sf_00
:
movl
%
edx
,%
esi
#
si
=
Current
str
-
pos
sf_10
:
movb
(%
esi
),%
al
#
Test
if
this
char
exist
andb
%
al
,%
al
jz
sf_90
/*
End
of
string
,
didn
't find search */
jz
sf_90
#
End
of
string
,
didn
't find search
incl
%
esi
cmpb
%
al
,%
ah
jnz
sf_10
/*
Didn
't find first char, continue */
movl
%
esi
,%
edx
/*
Save
str
-
pos
in
%
edx
*/
jnz
sf_10
#
Didn
't find first char, continue
movl
%
esi
,%
edx
#
Save
str
-
pos
in
%
edx
movl
%
ecx
,%
edi
sf_20
:
cmpb
$
0
,(%
edi
)
jz
sf_fo
/*
Found
substring
*/
jz
sf_fo
#
Found
substring
cmpsb
jz
sf_20
/*
Char
ok
*/
jmp
sf_00
/*
Next
str
-
pos
*/
jz
sf_20
#
Char
ok
jmp
sf_00
#
Next
str
-
pos
sf_90
:
movl
$
1
,%
edx
/*
Return
Null
*/
sf_fo
:
movl
%
edx
,%
eax
/*
Char
found
here
*/
decl
%
eax
/*
Pointed
one
after
*/
sf_90
:
movl
$
1
,%
edx
#
Return
Null
sf_fo
:
movl
%
edx
,%
eax
#
Char
found
here
decl
%
eax
#
Pointed
one
after
popl
%
esi
popl
%
edi
ret
...
...
@@ -273,8 +272,8 @@ sf_fo: movl %edx,%eax /* Char found here */
.
size
strstr
,
.
strstr_end
-
strstr
/
*
Find
a
substring
in
string
,
return
index
*/
/
*
Arg
:
str
,
search
*/
#
Find
a
substring
in
string
,
return
index
#
Arg
:
str
,
search
.
globl
strinstr
.
type
strinstr
,
@
function
...
...
@@ -282,22 +281,22 @@ sf_fo: movl %edx,%eax /* Char found here */
strinstr
:
pushl
%
ebp
movl
%
esp
,%
ebp
pushl
12
(%
ebp
)
/*
search
*/
pushl
8
(%
ebp
)
/*
str
*/
pushl
12
(%
ebp
)
#
search
pushl
8
(%
ebp
)
#
str
call
strstr
add
$
8
,%
esp
or
%
eax
,%
eax
jz
si_99
/*
Not
found
,
return
NULL
*/
sub
8
(%
ebp
),%
eax
/*
Pos
from
start
*/
inc
%
eax
/*
And
first
pos
=
1
*/
jz
si_99
#
Not
found
,
return
NULL
sub
8
(%
ebp
),%
eax
#
Pos
from
start
inc
%
eax
#
And
first
pos
=
1
si_99
:
popl
%
ebp
ret
.
strinstr_end
:
.
size
strinstr
,
.
strinstr_end
-
strinstr
/
*
Make
a
string
of
len
length
from
another
string
*/
/
*
Arg
:
dst
,
src
,
length
*/
/
*
ret
:
end
of
dst
*/
#
Make
a
string
of
len
length
from
another
string
#
Arg
:
dst
,
src
,
length
#
ret
:
end
of
dst
.
globl
strmake
.
type
strmake
,
@
function
...
...
@@ -305,48 +304,48 @@ si_99: popl %ebp
strmake
:
pushl
%
edi
pushl
%
esi
movl
12
(%
esp
),%
edi
/*
dst
*/
movl
16
(%
esp
),%
esi
/*
src
*/
movl
20
(%
esp
),%
ecx
/*
Length
of
memory
-
area
*/
clrb
%
al
/*
For
test
of
end
-
null
*/
jecxz
sm_90
/*
Nothing
to
move
,
put
zero
at
end
.
*/
sm_10
:
cmpb
(%
esi
),%
al
/*
Next
char
to
move
*/
movsb
/*
move
arg
*/
jz
sm_99
/*
last
char
,
we
are
ready
*/
loop
sm_10
/*
Continue
moving
*/
sm_90
:
movb
%
al
,(%
edi
)
/*
Set
end
pos
*/
incl
%
edi
/*
Fix
that
di
points
at
end
null
*/
sm_99
:
decl
%
edi
/*
di
points
now
at
end
null
*/
movl
%
edi
,%
eax
/*
Ret
value
.
p
$
*/
movl
12
(%
esp
),%
edi
#
dst
movl
16
(%
esp
),%
esi
#
src
movl
20
(%
esp
),%
ecx
#
Length
of
memory
-
area
clrb
%
al
#
For
test
of
end
-
null
jecxz
sm_90
#
Nothing
to
move
,
put
zero
at
end
.
sm_10
:
cmpb
(%
esi
),%
al
#
Next
char
to
move
movsb
#
move
arg
jz
sm_99
#
last
char
,
we
are
ready
loop
sm_10
#
Continue
moving
sm_90
:
movb
%
al
,(%
edi
)
#
Set
end
pos
incl
%
edi
#
Fix
that
di
points
at
end
null
sm_99
:
decl
%
edi
#
di
points
now
at
end
null
movl
%
edi
,%
eax
#
Ret
value
.
p
$
popl
%
esi
popl
%
edi
ret
.
strmake_end
:
.
size
strmake
,
.
strmake_end
-
strmake
/
*
Move
a
string
with
max
len
chars
*/
/
*
arg
:
dst
,
src
,
len
*/
/
*
ret
:
pos
to
first
null
or
dst
+
len
*/
#
Move
a
string
with
max
len
chars
#
arg
:
dst
,
src
,
len
#
ret
:
pos
to
first
null
or
dst
+
len
.
globl
strnmov
.
type
strnmov
,
@
function
strnmov
:
pushl
%
edi
pushl
%
esi
movl
12
(%
esp
),%
edi
/*
dst
*/
movl
16
(%
esp
),%
esi
/*
src
*/
movl
20
(%
esp
),%
ecx
/*
Length
of
memory
-
area
*/
jecxz
snm_99
/*
Nothing
to
do
*/
clrb
%
al
/*
For
test
of
end
-
null
*/
snm_10
:
cmpb
(%
esi
),%
al
/*
Next
char
to
move
*/
movsb
/*
move
arg
*/
jz
snm_20
/*
last
char
,
fill
with
null
*/
loop
snm_10
/*
Continue
moving
*/
incl
%
edi
/*
Point
two
after
last
*/
snm_20
:
decl
%
edi
/*
Point
at
first
null
(
or
last
+
1
)
*/
snm_99
:
movl
%
edi
,%
eax
/*
Pointer
at
last
char
*/
movl
12
(%
esp
),%
edi
#
dst
movl
16
(%
esp
),%
esi
#
src
movl
20
(%
esp
),%
ecx
#
Length
of
memory
-
area
jecxz
snm_99
#
Nothing
to
do
clrb
%
al
#
For
test
of
end
-
null
snm_10
:
cmpb
(%
esi
),%
al
#
Next
char
to
move
movsb
#
move
arg
jz
snm_20
#
last
char
,
fill
with
null
loop
snm_10
#
Continue
moving
incl
%
edi
#
Point
two
after
last
snm_20
:
decl
%
edi
#
Point
at
first
null
(
or
last
+
1
)
snm_99
:
movl
%
edi
,%
eax
#
Pointer
at
last
char
popl
%
esi
popl
%
edi
ret
...
...
@@ -357,17 +356,17 @@ snm_99: movl %edi,%eax /* Pointer at last char */
.
globl
strmov
.
type
strmov
,
@
function
strmov
:
movl
%
esi
,%
ecx
/*
Save
old
%
esi
and
%
edi
*/
movl
%
esi
,%
ecx
#
Save
old
%
esi
and
%
edi
movl
%
edi
,%
edx
movl
8
(%
esp
),%
esi
/*
get
source
pointer
(
s2
)
*/
movl
4
(%
esp
),%
edi
/*
%
edi
->
s1
*/
movl
8
(%
esp
),%
esi
#
get
source
pointer
(
s2
)
movl
4
(%
esp
),%
edi
#
%
edi
->
s1
smo_10
:
movb
(%
esi
),%
al
movsb
/*
move
arg
*/
movsb
#
move
arg
andb
%
al
,%
al
jnz
smo_10
/*
Not
last
*/
jnz
smo_10
#
Not
last
movl
%
edi
,%
eax
dec
%
eax
movl
%
ecx
,%
esi
/*
Restore
*/
movl
%
ecx
,%
esi
#
Restore
movl
%
edx
,%
edi
ret
.
strmov_end
:
...
...
@@ -376,29 +375,29 @@ smo_10: movb (%esi),%al
.
globl
strxmov
.
type
strxmov
,
@
function
strxmov
:
movl
%
ebx
,%
edx
/*
Save
%
ebx
,
%
esi
and
%
edi
*/
movl
%
ebx
,%
edx
#
Save
%
ebx
,
%
esi
and
%
edi
mov
%
esi
,%
ecx
push
%
edi
leal
8
(%
esp
),%
ebx
/*
Get
destination
*/
leal
8
(%
esp
),%
ebx
#
Get
destination
movl
(%
ebx
),%
edi
xorb
%
al
,%
al
jmp
next_str
/*
Handle
source
ebx
+
4
*/
jmp
next_str
#
Handle
source
ebx
+
4
start_str
:
movsb
cmpb
-
1
(%
edi
),%
al
jne
start_str
decl
%
edi
/*
Don
't copy last null */
decl
%
edi
#
Don
't copy last null
next_str
:
addl
$
4
,%
ebx
movl
(%
ebx
),%
esi
orl
%
esi
,%
esi
jne
start_str
movb
%
al
,
0
(%
edi
)
/*
Force
last
to
ASCII
0
*/
movb
%
al
,
0
(%
edi
)
#
Force
last
to
ASCII
0
movl
%
edi
,%
eax
/*
Return
ptr
to
ASCII
0
*/
pop
%
edi
/*
Restore
registers
*/
movl
%
edi
,%
eax
#
Return
ptr
to
ASCII
0
pop
%
edi
#
Restore
registers
movl
%
ecx
,%
esi
movl
%
edx
,%
ebx
ret
...
...
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