Halton (knee) participated during the 49ers' training camp practice Thursday, Chris Biderman of The Sacramento Bee reports.
Toth (concussion) was absent from Thursday's training camp session, Cam Inman of The San Jose Mercury News reports.
Smith and the 49ers agreed on a one-year contract Thursday.
The Cowboys placed Fant (knee) on injured reserve Thursday.
Dallas claimed Kuntz off waivers Thursday.
Barham (groin) exited Thursday's training camp session early due to injury, Todd Archer of ESPN.com reports.
Overshown (lower body) was a limited participant during the Cowboys' training camp practice Thursday, Tommy Yarrish of the Cowboys' official site reports.
Moore (groin) did not participate during the Cowboys' training camp practice Thursday, Tommy Yarrish of the Cowboys' official site reports.
Greenlaw (undisclosed) was a participant in Thursday's training camp session, Cam Inman of The San Jose Mercury News reports.
Odighizuwa (undisclosed) was a participant in Thursday's training camp session, Cam Inman of The San Jose Mercury News reports.
