flyingfisch@flyingfisch-Office-Computer:/usr/src$ cd ./gcc
flyingfisch@flyingfisch-Office-Computer:/usr/src/gcc$ ls
ada                                    insn-modes.o
alias.o                                insn-opinit.c
alloc-pool.o                           insn-opinit.o
all-tree.def                           insn-output.c
as                                     insn-output.o
attribs.o                              insn-peep.c
auto-host.h                            insn-peep.o
auto-inc-dec.o                         insn-preds.c
bb-reorder.o                           insn-preds.o
bconfig.h                              insn-recog.c
b-header-vars                          insn-recog.o
bitmap.o                               integrate.o
bt-load.o                              intl.o
build                                  ipa-cp.o
builtins.o                             ipa-inline.o
bversion.h                             ipa.o
caller-save.o                          ipa-prop.o
calls.o                                ipa-pure-const.o
c-aux-info.o                           ipa-reference.o
cc1                                    ipa-ref.o
cc1-checksum.c                         ipa-split.o
cc1-checksum.o                         ipa-struct-reorg.o
cc1plus                                ipa-type-escape.o
cc1plus-checksum.c                     ipa-utils.o
cc1plus-checksum.o                     ira-build.o
c-convert.o                            ira-color.o
c-decl.o                               ira-conflicts.o
c-errors.o                             ira-costs.o
c-family                               ira-emit.o
cfganal.o                              ira-lives.o
cfgbuild.o                             ira.o
cfgcleanup.o                           java
cfgexpand.o                            jump.o
cfghooks.o                             langhooks.o
cfglayout.o                            lcm.o
cfgloopanal.o                          libbackend.a
cfgloopmanip.o                         libgcc.mvars
cfgloop.o                              liblto_plugin.la
cfg.o                                  liblto_plugin.so
cfgrtl.o                               liblto_plugin.so.0
cgraphbuild.o                          liblto_plugin.so.0.0.0
cgraph.o                               lists.o
cgraphunit.o                           loop-doloop.o
checksum-options                       loop-init.o
c-lang.o                               loop-invariant.o
c-objc-common.o                        loop-iv.o
collect2                               loop-unroll.o
collect2-aix.o                         loop-unswitch.o
collect2.o                             lower-subreg.o
collect-ld                             lto
combine.o                              lto1
combine-stack-adj.o                    lto-cgraph.o
compare-elim.o                         lto-compress.o
configargs.h                           lto-opts.o
config.cache                           lto-section-in.o
config.h                               lto-section-out.o
config.log                             lto-streamer-in.o
config.status                          lto-streamer.o
convert.o                              lto-streamer-out.o
coverage.o                             lto-symtab.o
cp                                     lto-wrapper
c-parser.o                             lto-wrapper.o
cpp                                    macro_list
cppbuiltin.o                           main.o
cppdefault.o                           Makefile
cppspec.o                              Make-hooks
cs-bconfig.h                           matrix-reorg.o
cs-config.h                            mcf.o
cselib.o                               mddeps.mk
cse.o                                  min-insn-modes.c
cstamp-h                               mode-switching.o
cs-tconfig.h                           modulo-sched.o
cs-tm.h                                multilib.h
cs-tm_p.h                              nm
c-typeck.o                             objc
dbgcnt.o                               objcp
dbxout.o                               omega.o
dce.o                                  omp-low.o
ddg.o                                  optabs.o
debug.o                                option-includes.mk
df-core.o                              optionlist
dfp.o                                  options.c
df-problems.o                          options.h
df-scan.o                              options.o
diagnostic.o                           opts-common.o
doc                                    opts-global.o
dojump.o                               opts.o
dominance.o                            params.o
domwalk.o                              passes.o
double-int.o                           plugin.o
dp-bit.c                               plugin-version.h
dse.o                                  pointer-set.o
dwarf2asm.o                            postreload-gcse.o
dwarf2out.o                            postreload.o
ebitmap.o                              predict.o
emit-rtl.o                             prefix.o
errors.o                               pretty-print.o
et-forest.o                            print-rtl.o
except.o                               print-tree.o
explow.o                               profile.o
expmed.o                               realmpfr.o
expr.o                                 real.o
final.o                                recog.o
fixed-value.o                          regcprop.o
fixinc_list                            reginfo.o
fold-const.o                           regmove.o
fortran                                regrename.o
fp-bit.c                               reg-stack.o
function.o                             regstat.o
fwprop.o                               reload1.o
g++                                    reload.o
gcc-cross                              reorg.o
gcc.o                                  resource.o
gcc-options.o                          rtlanal.o
gccspec.o                              rtl-error.o
gcc-vers.texi                          rtlhooks.o
gcov                                   rtl.o
gcov-dump                              s-alltree
gcov-dump.o                            s-attr
gcov-iov.h                             s-attrtab
gcov.o                                 s-automata
g++-cross                              sbitmap.o
gcse.o                                 s-bversion
genrtl.h                               s-check
ggc-common.o                           sched-deps.o
ggc-none.o                             sched-ebb.o
ggc-page.o                             sched-rgn.o
gimple-fold.o                          sched-vis.o
gimple-iterator.o                      s-codes
gimple-low.o                           s-conditions
gimple.o                               s-condmd
gimple-pretty-print.o                  s-config
gimplify.o                             s-constants
go                                     s-constrs-h
godump.o                               sdbout.o
gpl.pod                                sel-sched-dump.o
graphds.o                              sel-sched-ir.o
graphite-blocking.o                    sel-sched.o
graphite-clast-to-gimple.o             s-emit
graphite-cloog-util.o                  s-enums
graphite-dependences.o                 sese.o
graphite-flattening.o                  s-extract
graphite-interchange.o                 s-fixinc_list
graphite.o                             s-flags
graphite-poly.o                        s-genrtl-h
graphite-ppl.o                         s-gtype
graphite-scop-detection.o              s-gtyp-input
graphite-sese-to-poly.o                sh-c.o
graph.o                                s-header-vars
g++spec.o                              sh.o
gt-ada-decl.h                          simplify-rtx.o
gt-ada-misc.h                          s-iov
gt-ada-trans.h                         s-macro_list
gt-ada-utils.h                         s-mddeps
gt-alias.h                             s-mlib
gt-bitmap.h                            s-modes
gt-caller-save.h                       s-modes-h
gt-c-decl.h                            s-modes-m
gt-c-family-c-common.h                 s-opinit
gt-c-family-c-cppbuiltin.h             s-options
gt-c-family-c-pragma.h                 s-options-h
gt-cfglayout.h                         s-output
gt-cgraph.h                            sparseset.o
gt-cgraphunit.h                        specs
gt-coverage.h                          specs.h
gt-c-parser.h                          s-peep
gt-cp-call.h                           s-preds
gt-cp-class.h                          s-preds-h
gt-cp-cp-lang.h                        sreal.o
gt-cp-cp-objcp-common.h                s-recog
gt-cp-decl2.h                          s-specs
gt-cp-decl.h                           stack-ptr-mod.o
gt-cp-mangle.h                         s-target-hooks-def-h
gt-cp-method.h                         statistics.o
gt-cp-name-lookup.h                    stmp-fixinc
gt-cp-parser.h                         stmp-int-hdrs
gt-cp-pt.h                             s-tm-texi
gt-cp-repo.h                           stmt.o
gt-cp-rtti.h                           store-motion.o
gt-cp-semantics.h                      stor-layout.o
gt-cp-tree.h                           stringpool.o
gt-cp-typeck2.h                        sysroot-suffix.h
gt-cselib.h                            target-globals.o
gt-dbxout.h                            target-hooks-def.h
gt-dojump.h                            targhooks.o
gt-dwarf2asm.h                         tconfig.h
gt-dwarf2out.h                         timevar.o
gt-emit-rtl.h                          tlink.o
gt-except.h                            tm-constrs.h
gt-explow.h                            tm.h
gt-expr.h                              tm_p.h
gt-fortran-f95-lang.h                  tm-preds.h
gt-fortran-trans-decl.h                tm.texi
gt-fortran-trans-intrinsic.h           toplev.o
gt-fortran-trans-io.h                  tracer.o
gt-fortran-trans-stmt.h                tree-affine.o
gt-fortran-trans-types.h               tree-call-cdce.o
gt-function.h                          tree-cfgcleanup.o
gt-gcse.h                              tree-cfg.o
gt-gimple.h                            tree-check.h
gt-gimplify.h                          tree-chrec.o
gt-godump.h                            tree-complex.o
gt-go-go-lang.h                        tree-data-ref.o
gt-integrate.h                         tree-dfa.o
gt-ipa-inline.h                        tree-diagnostic.o
gt-java-builtins.h                     tree-dump.o
gt-java-class.h                        tree-eh.o
gt-java-constants.h                    tree-emutls.o
gt-java-decl.h                         tree-if-conv.o
gt-java-expr.h                         tree-inline.o
gt-java-jcf-parse.h                    tree-into-ssa.o
gt-java-lang.h                         tree-iterator.o
gt-java-mangle.h                       tree-loop-distribution.o
gt-java-resource.h                     tree-mudflap.o
gt-lists.h                             tree-nested.o
gt-lto-lto.h                           tree-nomudflap.o
gt-lto-lto-lang.h                      tree-nrv.o
gt-lto-symtab.h                        tree.o
gt-objc-objc-act.h                     tree-object-size.o
gt-objc-objc-gnu-runtime-abi-01.h      tree-optimize.o
gt-objc-objc-next-runtime-abi-01.h     tree-outof-ssa.o
gt-objc-objc-next-runtime-abi-02.h     tree-parloops.o
gt-objc-objc-runtime-shared-support.h  tree-phinodes.o
gt-omp-low.h                           tree-predcom.o
gt-optabs.h                            tree-pretty-print.o
gt-passes.h                            tree-profile.o
gt-sdbout.h                            tree-scalar-evolution.o
gt-sh.h                                tree-sra.o
gt-stor-layout.h                       tree-ssa-address.o
gt-stringpool.h                        tree-ssa-alias.o
gt-targhooks.h                         tree-ssa-ccp.o
gt-tree.h                              tree-ssa-coalesce.o
gt-tree-iterator.h                     tree-ssa-copy.o
gt-tree-mudflap.h                      tree-ssa-copyrename.o
gt-tree-nested.h                       tree-ssa-dce.o
gt-tree-parloops.h                     tree-ssa-dom.o
gt-tree-phinodes.h                     tree-ssa-dse.o
gt-tree-profile.h                      tree-ssa-forwprop.o
gt-tree-scalar-evolution.h             tree-ssa-ifcombine.o
gt-tree-ssa-address.h                  tree-ssa-live.o
gt-tree-ssa-propagate.h                tree-ssa-loop-ch.o
gt-tree-ssa-structalias.h              tree-ssa-loop-im.o
gt-tree-vect-generic.h                 tree-ssa-loop-ivcanon.o
gt-varasm.h                            tree-ssa-loop-ivopts.o
gt-varpool.h                           tree-ssa-loop-manip.o
gtype-ada.h                            tree-ssa-loop-niter.o
gtype-c.h                              tree-ssa-loop.o
gtype-cp.h                             tree-ssa-loop-prefetch.o
gtype-desc.c                           tree-ssa-loop-unswitch.o
gtype-desc.h                           tree-ssa-math-opts.o
gtype-desc.o                           tree-ssanames.o
gtype-fortran.h                        tree-ssa.o
gtype-go.h                             tree-ssa-operands.o
gtype-java.h                           tree-ssa-phiopt.o
gtype-lto.h                            tree-ssa-phiprop.o
gtype-objc.h                           tree-ssa-pre.o
gtype-objcp.h                          tree-ssa-propagate.o
gtype.state                            tree-ssa-reassoc.o
gtyp-input.list                        tree-ssa-sccvn.o
haifa-sched.o                          tree-ssa-sink.o
hooks.o                                tree-ssa-structalias.o
host-linux.o                           tree-ssa-ter.o
hwint.o                                tree-ssa-threadedge.o
ifcvt.o                                tree-ssa-threadupdate.o
implicit-zee.o                         tree-ssa-uncprop.o
include                                tree-ssa-uninit.o
include-fixed                          tree-stdarg.o
incpath.o                              tree-switch-conversion.o
init-regs.o                            tree-tailcall.o
input.o                                tree-vect-data-refs.o
insn-attr.h                            tree-vect-generic.o
insn-attrtab.c                         tree-vect-loop-manip.o
insn-attrtab.o                         tree-vect-loop.o
insn-automata.c                        tree-vectorizer.o
insn-automata.o                        tree-vect-patterns.o
insn-codes.h                           tree-vect-slp.o
insn-conditions.md                     tree-vect-stmts.o
insn-config.h                          tree-vrp.o
insn-constants.h                       value-prof.o
insn-emit.c                            varasm.o
insn-emit.o                            varpool.o
insn-enums.c                           var-tracking.o
insn-enums.o                           vec.o
insn-extract.c                         version.o
insn-extract.o                         vmsdbgout.o
insn-flags.h                           web.o
insn-modes.c                           xcoffout.o
insn-modes.h                           xgcc