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Check for EX_DYNAMIC flag in exec header.

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This commit is contained in:
pk 1993-10-31 14:41:46 +00:00
parent 3fb09cab4b
commit 3f26fe8498
2 changed files with 42 additions and 14 deletions
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28
gnu/usr.bin/ld/ldd/ldd.c
View File

@ -27,7 +27,7 @@
* (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: ldd.c,v 1.1 1993/10/22 21:09:59 pk Exp $
* $Id: ldd.c,v 1.2 1993/10/31 14:41:46 pk Exp $
*/
#include <sys/param.h>
@ -85,12 +85,26 @@ char *argv[];
setenv("LD_TRACE_LOADED_OBJECTS", "", 1);
while (argc--) {
int fd;
struct exec hdr;
int status;
char *args[2];
args[0] = *argv; args[1] = NULL;
if ((fd = open(*argv, O_RDONLY, 0)) < 0) {
perror(*argv);
rval |= 1;
argv++;
continue;
}
if (read(fd, &hdr, sizeof hdr) != sizeof hdr ||
!(N_GETFLAG(hdr) & EX_DYNAMIC)) {
fprintf(stderr, "%s: not a dynamic executable\n",
*argv);
rval |= 1;
argv++;
continue;
}
printf("%s:\n", args[0]);
printf("%s:\n", *argv);
switch (fork()) {
case -1:
@ -103,16 +117,16 @@ char *argv[];
if (WIFSIGNALED(status)) {
fprintf(stderr, "%s: signal %d\n",
args[0], WTERMSIG(status));
*argv, WTERMSIG(status));
rval |= 1;
} else if (WIFEXITED(status) && WEXITSTATUS(status)) {
fprintf(stderr, "%s: exit status %d\n",
args[0], WEXITSTATUS(status));
*argv, WEXITSTATUS(status));
rval |= 1;
}
break;
case 0:
rval != execvp(*argv, args) != 0;
rval != execl(*argv, *argv, NULL) != 0;
perror(*argv);
_exit(1);
}

28
usr.bin/ldd/ldd_aout/ldd.c
View File

@ -27,7 +27,7 @@
* (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: ldd.c,v 1.1 1993/10/22 21:09:59 pk Exp $
* $Id: ldd.c,v 1.2 1993/10/31 14:41:46 pk Exp $
*/
#include <sys/param.h>
@ -85,12 +85,26 @@ char *argv[];
setenv("LD_TRACE_LOADED_OBJECTS", "", 1);
while (argc--) {
int fd;
struct exec hdr;
int status;
char *args[2];
args[0] = *argv; args[1] = NULL;
if ((fd = open(*argv, O_RDONLY, 0)) < 0) {
perror(*argv);
rval |= 1;
argv++;
continue;
}
if (read(fd, &hdr, sizeof hdr) != sizeof hdr ||
!(N_GETFLAG(hdr) & EX_DYNAMIC)) {
fprintf(stderr, "%s: not a dynamic executable\n",
*argv);
rval |= 1;
argv++;
continue;
}
printf("%s:\n", args[0]);
printf("%s:\n", *argv);
switch (fork()) {
case -1:
@ -103,16 +117,16 @@ char *argv[];
if (WIFSIGNALED(status)) {
fprintf(stderr, "%s: signal %d\n",
args[0], WTERMSIG(status));
*argv, WTERMSIG(status));
rval |= 1;
} else if (WIFEXITED(status) && WEXITSTATUS(status)) {
fprintf(stderr, "%s: exit status %d\n",
args[0], WEXITSTATUS(status));
*argv, WEXITSTATUS(status));
rval |= 1;
}
break;
case 0:
rval != execvp(*argv, args) != 0;
rval != execl(*argv, *argv, NULL) != 0;
perror(*argv);
_exit(1);
}