Differential D21104 Diff 60363 head/contrib/elftoolchain/addr2line/addr2line.c

Changeset View

Standalone View

head/contrib/elftoolchain/addr2line/addr2line.c

Show All 19 Lines
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)		* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT		* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY		* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF		* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.		* SUCH DAMAGE.
*/		*/

#include <sys/param.h>		#include <sys/param.h>

		#include <capsicum_helpers.h>
#include <dwarf.h>		#include <dwarf.h>
#include <err.h>		#include <err.h>
#include <fcntl.h>		#include <fcntl.h>
#include <gelf.h>		#include <gelf.h>
#include <getopt.h>		#include <getopt.h>
#include <libdwarf.h>		#include <libdwarf.h>
#include <libelftc.h>		#include <libelftc.h>
#include <libgen.h>		#include <libgen.h>
▲ Show 20 Lines • Show All 608 Lines • ▼ Show 20 Lines	if (elferr != 0)
warnx("elf_nextscn failed: %s", elf_errmsg(elferr));		warnx("elf_nextscn failed: %s", elf_errmsg(elferr));

errx(EXIT_FAILURE, "%s: cannot find section %s", exe, section);		errx(EXIT_FAILURE, "%s: cannot find section %s", exe, section);
}		}

int		int
main(int argc, char **argv)		main(int argc, char **argv)
{		{
		cap_rights_t rights;
Elf *e;		Elf *e;
Dwarf_Debug dbg;		Dwarf_Debug dbg;
Dwarf_Error de;		Dwarf_Error de;
const char exe, section;		const char exe, section;
char line[1024];		char line[1024];
int fd, i, opt;		int fd, i, opt;

exe = NULL;		exe = NULL;
Show All 40 Lines	main(int argc, char **argv)
argv += optind;		argv += optind;
argc -= optind;		argc -= optind;

if (exe == NULL)		if (exe == NULL)
exe = "a.out";		exe = "a.out";

if ((fd = open(exe, O_RDONLY)) < 0)		if ((fd = open(exe, O_RDONLY)) < 0)
err(EXIT_FAILURE, "%s", exe);		err(EXIT_FAILURE, "%s", exe);

		if (caph_rights_limit(fd, cap_rights_init(&rights, CAP_FSTAT,
		CAP_MMAP_R)) < 0)
		errx(EXIT_FAILURE, "caph_rights_limit");

		caph_cache_catpages();
		if (caph_limit_stdio() < 0)
		errx(EXIT_FAILURE, "failed to limit stdio rights");
		if (caph_enter() < 0)
		errx(EXIT_FAILURE, "failed to enter capability mode");

if (dwarf_init(fd, DW_DLC_READ, NULL, NULL, &dbg, &de))		if (dwarf_init(fd, DW_DLC_READ, NULL, NULL, &dbg, &de))
errx(EXIT_FAILURE, "dwarf_init: %s", dwarf_errmsg(de));		errx(EXIT_FAILURE, "dwarf_init: %s", dwarf_errmsg(de));

if (dwarf_get_elf(dbg, &e, &de) != DW_DLV_OK)		if (dwarf_get_elf(dbg, &e, &de) != DW_DLV_OK)
errx(EXIT_FAILURE, "dwarf_get_elf: %s", dwarf_errmsg(de));		errx(EXIT_FAILURE, "dwarf_get_elf: %s", dwarf_errmsg(de));

if (section)		if (section)
Show All 19 Lines