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libexec/rtld-elf/rtld.1
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| .\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | .\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | ||||
| .\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | .\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | ||||
| .\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | .\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||||
| .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | ||||
| .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||||
| .\" | .\" | ||||
| .\" $FreeBSD$ | .\" $FreeBSD$ | ||||
| .\" | .\" | ||||
| .Dd June 2, 2021 | .Dd August 15, 2021 | ||||
| .Dt RTLD 1 | .Dt RTLD 1 | ||||
| .Os | .Os | ||||
| .Sh NAME | .Sh NAME | ||||
| .Nm ld-elf.so.1 , | .Nm ld-elf.so.1 , | ||||
| .Nm ld.so , | .Nm ld.so , | ||||
| .Nm rtld | .Nm rtld | ||||
| .Nd run-time link-editor | .Nd run-time link-editor | ||||
| .Sh DESCRIPTION | .Sh DESCRIPTION | ||||
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| .Nm | .Nm | ||||
| will print a table containing all relocations after symbol | will print a table containing all relocations after symbol | ||||
| binding and relocation. | binding and relocation. | ||||
| .It Ev LD_DUMP_REL_PRE | .It Ev LD_DUMP_REL_PRE | ||||
| If set, | If set, | ||||
| .Nm | .Nm | ||||
| will print a table containing all relocations before symbol | will print a table containing all relocations before symbol | ||||
| binding and relocation. | binding and relocation. | ||||
| .It Ev LD_DYNAMIC_WEAK | |||||
| If set, use the ELF standard-compliant symbol lookup behavior: | |||||
| resolve to the first found symbol definition. | |||||
| .Pp | |||||
| By default, | |||||
| .Fx | |||||
| provides the non-standard symbol lookup behavior: | |||||
| when a weak symbol definition is found, remember the definition and | |||||
| keep searching in the remaining shared objects for a non-weak definition. | |||||
| If found, the non-weak definition is preferred, otherwise the remembered | |||||
| weak definition is returned. | |||||
| .Pp | |||||
| Symbols exported by dynamic linker itself (see | |||||
| .Xr dlfcn 3 ) | |||||
| are always resolved using | |||||
| .Fx | |||||
| rules regardless of the presence of the variable. | |||||
| This variable is unset for set-user-ID and set-group-ID programs. | |||||
| .It Ev LD_LIBMAP | .It Ev LD_LIBMAP | ||||
| A library replacement list in the same format as | A library replacement list in the same format as | ||||
| .Xr libmap.conf 5 . | .Xr libmap.conf 5 . | ||||
| For convenience, the characters | For convenience, the characters | ||||
| .Ql = | .Ql = | ||||
| and | and | ||||
| .Ql \&, | .Ql \&, | ||||
| can be used instead of a space and a newline. | can be used instead of a space and a newline. | ||||
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