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Kirill Smelkov
go
Commits
6519a6ba
Commit
6519a6ba
authored
Jun 21, 2010
by
Russ Cox
Browse files
Options
Browse Files
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Plain Diff
ld: add -u flag to check safe bits; discard old -u, -x flags
R=r, r2 CC=golang-dev
https://golang.org/cl/1707043
parent
121a16fa
Changes
4
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Inline
Side-by-side
Showing
4 changed files
with
28 additions
and
31 deletions
+28
-31
src/cmd/5l/obj.c
src/cmd/5l/obj.c
+0
-10
src/cmd/6l/obj.c
src/cmd/6l/obj.c
+0
-10
src/cmd/8l/obj.c
src/cmd/8l/obj.c
+0
-10
src/cmd/ld/go.c
src/cmd/ld/go.c
+28
-1
No files found.
src/cmd/5l/obj.c
View file @
6519a6ba
...
...
@@ -135,16 +135,6 @@ main(int argc, char *argv[])
HEADTYPE
=
atolwhex
(
EARGF
(
usage
()));
/* do something about setting INITTEXT */
break
;
case
'x'
:
/* produce export table */
doexp
=
1
;
if
(
argv
[
1
]
!=
nil
&&
argv
[
1
][
0
]
!=
'-'
&&
!
isobjfile
(
argv
[
1
]))
readundefs
(
ARGF
(),
SEXPORT
);
break
;
case
'u'
:
/* produce dynamically loadable module */
dlm
=
1
;
if
(
argv
[
1
]
!=
nil
&&
argv
[
1
][
0
]
!=
'-'
&&
!
isobjfile
(
argv
[
1
]))
readundefs
(
ARGF
(),
SIMPORT
);
break
;
case
'V'
:
print
(
"%cl version %s
\n
"
,
thechar
,
getgoversion
());
errorexit
();
...
...
src/cmd/6l/obj.c
View file @
6519a6ba
...
...
@@ -129,16 +129,6 @@ main(int argc, char *argv[])
case
'r'
:
rpath
=
EARGF
(
usage
());
break
;
case
'x'
:
/* produce export table */
doexp
=
1
;
if
(
argv
[
1
]
!=
nil
&&
argv
[
1
][
0
]
!=
'-'
&&
!
isobjfile
(
argv
[
1
]))
readundefs
(
ARGF
(),
SEXPORT
);
break
;
case
'u'
:
/* produce dynamically loadable module */
dlm
=
1
;
if
(
argv
[
1
]
!=
nil
&&
argv
[
1
][
0
]
!=
'-'
&&
!
isobjfile
(
argv
[
1
]))
readundefs
(
ARGF
(),
SIMPORT
);
break
;
case
'V'
:
print
(
"%cl version %s
\n
"
,
thechar
,
getgoversion
());
errorexit
();
...
...
src/cmd/8l/obj.c
View file @
6519a6ba
...
...
@@ -134,16 +134,6 @@ main(int argc, char *argv[])
case
'r'
:
rpath
=
EARGF
(
usage
());
break
;
case
'x'
:
/* produce export table */
doexp
=
1
;
if
(
argv
[
1
]
!=
nil
&&
argv
[
1
][
0
]
!=
'-'
&&
!
isobjfile
(
argv
[
1
]))
readundefs
(
ARGF
(),
SEXPORT
);
break
;
case
'u'
:
/* produce dynamically loadable module */
dlm
=
1
;
if
(
argv
[
1
]
!=
nil
&&
argv
[
1
][
0
]
!=
'-'
&&
!
isobjfile
(
argv
[
1
]))
readundefs
(
ARGF
(),
SIMPORT
);
break
;
case
'V'
:
print
(
"%cl version %s
\n
"
,
thechar
,
getgoversion
());
errorexit
();
...
...
src/cmd/ld/go.c
View file @
6519a6ba
...
...
@@ -84,19 +84,28 @@ ldpkg(Biobuf *f, char *pkg, int64 len, char *filename)
if
((
int
)
len
!=
len
)
{
fprint
(
2
,
"%s: too much pkg data in %s
\n
"
,
argv0
,
filename
);
if
(
debug
[
'u'
])
errorexit
();
return
;
}
data
=
mal
(
len
+
1
);
if
(
Bread
(
f
,
data
,
len
)
!=
len
)
{
fprint
(
2
,
"%s: short pkg read %s
\n
"
,
argv0
,
filename
);
if
(
debug
[
'u'
])
errorexit
();
return
;
}
data
[
len
]
=
'\0'
;
// first \n$$ marks beginning of exports - skip rest of line
p0
=
strstr
(
data
,
"
\n
$$"
);
if
(
p0
==
nil
)
if
(
p0
==
nil
)
{
if
(
debug
[
'u'
])
{
fprint
(
2
,
"%s: cannot find export data in %s
\n
"
,
argv0
,
filename
);
errorexit
();
}
return
;
}
p0
+=
3
;
while
(
*
p0
!=
'\n'
&&
*
p0
!=
'\0'
)
p0
++
;
...
...
@@ -105,6 +114,8 @@ ldpkg(Biobuf *f, char *pkg, int64 len, char *filename)
p1
=
strstr
(
p0
,
"
\n
$$"
);
if
(
p1
==
nil
)
{
fprint
(
2
,
"%s: cannot find end of exports in %s
\n
"
,
argv0
,
filename
);
if
(
debug
[
'u'
])
errorexit
();
return
;
}
while
(
p0
<
p1
&&
(
*
p0
==
' '
||
*
p0
==
'\t'
||
*
p0
==
'\n'
))
...
...
@@ -112,6 +123,8 @@ ldpkg(Biobuf *f, char *pkg, int64 len, char *filename)
if
(
p0
<
p1
)
{
if
(
strncmp
(
p0
,
"package "
,
8
)
!=
0
)
{
fprint
(
2
,
"%s: bad package section in %s - %s
\n
"
,
argv0
,
filename
,
p0
);
if
(
debug
[
'u'
])
errorexit
();
return
;
}
p0
+=
8
;
...
...
@@ -120,6 +133,10 @@ ldpkg(Biobuf *f, char *pkg, int64 len, char *filename)
name
=
p0
;
while
(
p0
<
p1
&&
*
p0
!=
' '
&&
*
p0
!=
'\t'
&&
*
p0
!=
'\n'
)
p0
++
;
if
(
debug
[
'u'
]
&&
memcmp
(
p0
,
" safe
\n
"
,
6
)
!=
0
)
{
fprint
(
2
,
"%s: load of unsafe package %s
\n
"
,
argv0
,
filename
);
errorexit
();
}
if
(
p0
<
p1
)
{
*
p0
++
=
'\0'
;
if
(
strcmp
(
pkg
,
"main"
)
==
0
&&
strcmp
(
name
,
"main"
)
!=
0
)
...
...
@@ -140,6 +157,8 @@ ldpkg(Biobuf *f, char *pkg, int64 len, char *filename)
p1
=
strstr
(
p0
,
"
\n
$$"
);
if
(
p1
==
nil
)
{
fprint
(
2
,
"%s: cannot find end of local types in %s
\n
"
,
argv0
,
filename
);
if
(
debug
[
'u'
])
errorexit
();
return
;
}
...
...
@@ -151,6 +170,8 @@ ldpkg(Biobuf *f, char *pkg, int64 len, char *filename)
p0
=
strchr
(
p0
+
1
,
'\n'
);
if
(
p0
==
nil
)
{
fprint
(
2
,
"%s: found $$ // dynimport but no newline in %s
\n
"
,
argv0
,
filename
);
if
(
debug
[
'u'
])
errorexit
();
return
;
}
p1
=
strstr
(
p0
,
"
\n
$$"
);
...
...
@@ -158,6 +179,8 @@ ldpkg(Biobuf *f, char *pkg, int64 len, char *filename)
p1
=
strstr
(
p0
,
"
\n
!
\n
"
);
if
(
p1
==
nil
)
{
fprint
(
2
,
"%s: cannot find end of // dynimport section in %s
\n
"
,
argv0
,
filename
);
if
(
debug
[
'u'
])
errorexit
();
return
;
}
loaddynimport
(
filename
,
p0
+
1
,
p1
-
(
p0
+
1
));
...
...
@@ -169,6 +192,8 @@ ldpkg(Biobuf *f, char *pkg, int64 len, char *filename)
p0
=
strchr
(
p0
+
1
,
'\n'
);
if
(
p0
==
nil
)
{
fprint
(
2
,
"%s: found $$ // dynexporg but no newline in %s
\n
"
,
argv0
,
filename
);
if
(
debug
[
'u'
])
errorexit
();
return
;
}
p1
=
strstr
(
p0
,
"
\n
$$"
);
...
...
@@ -176,6 +201,8 @@ ldpkg(Biobuf *f, char *pkg, int64 len, char *filename)
p1
=
strstr
(
p0
,
"
\n
!
\n
"
);
if
(
p1
==
nil
)
{
fprint
(
2
,
"%s: cannot find end of // dynexporg section in %s
\n
"
,
argv0
,
filename
);
if
(
debug
[
'u'
])
errorexit
();
return
;
}
loaddynexport
(
filename
,
pkg
,
p0
+
1
,
p1
-
(
p0
+
1
));
...
...
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