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Added -lgcc_pic to Makefile -- Why do we need this and NetBSD don't ??

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Incorporated patch by Guido (inspired by Davidg) that fixes stack
problem. May not be final fix but it works more than the current method.
This commit is contained in:
Paul Richards 1993-11-09 04:44:30 +00:00
parent bfa077712f
commit bcd9d0cf11
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=742
4 changed files with 26 additions and 36 deletions
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4
gnu/usr.bin/ld/rtld/Makefile
View File

@ -1,4 +1,4 @@
# $Id: Makefile,v 1.3 1993/11/08 13:20:39 pk Exp $
# $Id: Makefile,v 1.3 1993/11/09 04:19:29 paul Exp $
PROG= ld.so
SRCS= mdprologue.S rtld.c shlib.c etc.c md.c
@ -8,7 +8,7 @@ LDDIR?= $(.CURDIR)/..
PICFLAG=-fpic
CFLAGS += -I$(LDDIR) -I$(.CURDIR) -I$(LDDIR)/$(MACHINE) -O $(PICFLAG) -DRTLD
LDFLAGS = -Bshareable -Bsymbolic -assert nosymbolic
LIBS = -lc_pic
LIBS = -lc_pic -lgcc_pic
BINDIR= /usr/libexec
.PATH: $(LDDIR) $(LDDIR)/$(MACHINE)

27
gnu/usr.bin/ld/rtld/rtld.c
View File

@ -27,9 +27,10 @@
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $Id: rtld.c,v 1.8 1993/11/08 13:20:40 pk Exp $
* $Id: rtld.c,v 1.2 1993/11/09 04:19:31 paul Exp $
*/
#include <machine/vmparam.h>
#include <sys/param.h>
#include <stdio.h>
#include <stdlib.h>
@ -888,11 +889,10 @@ int *usehints;
if (ld_path != NULL) {
/* Prefer paths from LD_LIBRARY_PATH */
while ((cp = strsep(&ld_path, ":")) != NULL) {
while ((cp = strtok(ld_path, ":")) != NULL) {
ld_path = NULL;
hint = findhint(name, major, minor, cp);
if (ld_path)
*(ld_path-1) = ':';
if (hint)
return hint;
}
@ -951,18 +951,13 @@ init_brk()
_exit(1);
}
/*
* Walk to the top of stack
*/
if (*cpp) {
while (*cpp) cpp++;
cp = *--cpp;
while (*cp) cp++;
} else
cp = (char *)&cp;
curbrk = (caddr_t)
(((long)(cp - 1 - rlim.rlim_cur) + PAGSIZ) & ~(PAGSIZ - 1));
if (environ < USRSTACK - MAXSSIZ) {
curbrk = (caddr_t)
(((long)(USRSTACK - MAXSSIZ - rlim.rlim_cur) + PAGSIZ) & ~(PAGSIZ - 1));
} else {
curbrk = (caddr_t)
(((long)(USRSTACK - rlim.rlim_cur) + PAGSIZ) & ~(PAGSIZ - 1)) ;
}
}
void

4
libexec/rtld-aout/Makefile
View File

@ -1,4 +1,4 @@
# $Id: Makefile,v 1.3 1993/11/08 13:20:39 pk Exp $
# $Id: Makefile,v 1.3 1993/11/09 04:19:29 paul Exp $
PROG= ld.so
SRCS= mdprologue.S rtld.c shlib.c etc.c md.c
@ -8,7 +8,7 @@ LDDIR?= $(.CURDIR)/..
PICFLAG=-fpic
CFLAGS += -I$(LDDIR) -I$(.CURDIR) -I$(LDDIR)/$(MACHINE) -O $(PICFLAG) -DRTLD
LDFLAGS = -Bshareable -Bsymbolic -assert nosymbolic
LIBS = -lc_pic
LIBS = -lc_pic -lgcc_pic
BINDIR= /usr/libexec
.PATH: $(LDDIR) $(LDDIR)/$(MACHINE)

27
libexec/rtld-aout/rtld.c
View File

@ -27,9 +27,10 @@
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $Id: rtld.c,v 1.8 1993/11/08 13:20:40 pk Exp $
* $Id: rtld.c,v 1.2 1993/11/09 04:19:31 paul Exp $
*/
#include <machine/vmparam.h>
#include <sys/param.h>
#include <stdio.h>
#include <stdlib.h>
@ -888,11 +889,10 @@ int *usehints;
if (ld_path != NULL) {
/* Prefer paths from LD_LIBRARY_PATH */
while ((cp = strsep(&ld_path, ":")) != NULL) {
while ((cp = strtok(ld_path, ":")) != NULL) {
ld_path = NULL;
hint = findhint(name, major, minor, cp);
if (ld_path)
*(ld_path-1) = ':';
if (hint)
return hint;
}
@ -951,18 +951,13 @@ init_brk()
_exit(1);
}
/*
* Walk to the top of stack
*/
if (*cpp) {
while (*cpp) cpp++;
cp = *--cpp;
while (*cp) cp++;
} else
cp = (char *)&cp;
curbrk = (caddr_t)
(((long)(cp - 1 - rlim.rlim_cur) + PAGSIZ) & ~(PAGSIZ - 1));
if (environ < USRSTACK - MAXSSIZ) {
curbrk = (caddr_t)
(((long)(USRSTACK - MAXSSIZ - rlim.rlim_cur) + PAGSIZ) & ~(PAGSIZ - 1));
} else {
curbrk = (caddr_t)
(((long)(USRSTACK - rlim.rlim_cur) + PAGSIZ) & ~(PAGSIZ - 1)) ;
}
}
void