option-summary.html

gcc手册

          -u <var>symbol</var>
          </pre>

     <br><dt><em>Directory Options</em>
     <dd>See <a href="Directory-Options.html#Directory%20Options">Options for Directory Search</a>.
     <pre class="smallexample">          -B<var>prefix</var>  -I<var>dir</var>  -I-  -L<var>dir</var>  -specs=<var>file</var>
          </pre>

     <br><dt><em>Target Options</em>
     <dd>See <a href="Target-Options.html#Target%20Options">Target Options</a>.
     <pre class="smallexample">          -V <var>version</var>  -b <var>machine</var>
          </pre>

     <br><dt><em>Machine Dependent Options</em>
     <dd>See <a href="Submodel-Options.html#Submodel%20Options">Hardware Models and Configurations</a>.

     <p><em>M680x0 Options</em>
     <pre class="smallexample">          -m68000  -m68020  -m68020-40  -m68020-60  -m68030  -m68040 
          -m68060  -mcpu32  -m5200  -m68881  -mbitfield  -mc68000  -mc68020   
          -mfpa  -mnobitfield  -mrtd  -mshort  -msoft-float  -mpcrel 
          -malign-int  -mstrict-align
          </pre>

     <p><em>M68hc1x Options</em>
     <pre class="smallexample">          -m6811  -m6812  -m68hc11  -m68hc12  -m68hcs12 
          -mauto-incdec  -minmax  -mlong-calls  -mshort 
          -msoft-reg-count=<var>count</var>
          </pre>

     <p><em>VAX Options</em>
     <pre class="smallexample">          -mg  -mgnu  -munix
          </pre>

     <p><em>SPARC Options</em>
     <pre class="smallexample">          -mcpu=<var>cpu-type</var> 
          -mtune=<var>cpu-type</var> 
          -mcmodel=<var>code-model</var> 
          -m32  -m64 
          -mapp-regs  -mbroken-saverestore  -mcypress 
          -mfaster-structs  -mflat 
          -mfpu  -mhard-float  -mhard-quad-float 
          -mimpure-text  -mlive-g0  -mno-app-regs 
          -mno-faster-structs  -mno-flat  -mno-fpu 
          -mno-impure-text  -mno-stack-bias  -mno-unaligned-doubles 
          -msoft-float  -msoft-quad-float  -msparclite  -mstack-bias 
          -msupersparc  -munaligned-doubles  -mv8
          </pre>

     <p><em>ARM Options</em>
     <pre class="smallexample">          -mapcs-frame  -mno-apcs-frame 
          -mapcs-26  -mapcs-32 
          -mapcs-stack-check  -mno-apcs-stack-check 
          -mapcs-float  -mno-apcs-float 
          -mapcs-reentrant  -mno-apcs-reentrant 
          -msched-prolog  -mno-sched-prolog 
          -mlittle-endian  -mbig-endian  -mwords-little-endian 
          -malignment-traps  -mno-alignment-traps 
          -msoft-float  -mhard-float  -mfpe 
          -mthumb-interwork  -mno-thumb-interwork 
          -mcpu=<var>name</var>  -march=<var>name</var>  -mfpe=<var>name</var>  
          -mstructure-size-boundary=<var>n</var> 
          -mabort-on-noreturn 
          -mlong-calls  -mno-long-calls 
          -msingle-pic-base  -mno-single-pic-base 
          -mpic-register=<var>reg</var> 
          -mnop-fun-dllimport 
          -mpoke-function-name 
          -mthumb  -marm 
          -mtpcs-frame  -mtpcs-leaf-frame 
          -mcaller-super-interworking  -mcallee-super-interworking
          </pre>

     <p><em>MN10200 Options</em>
     <pre class="smallexample">          -mrelax
          </pre>

     <p><em>MN10300 Options</em>
     <pre class="smallexample">          -mmult-bug  -mno-mult-bug 
          -mam33  -mno-am33 
          -mno-crt0  -mrelax
          </pre>

     <p><em>M32R/D Options</em>
     <pre class="smallexample">          -m32rx  -m32r  -mcode-model=<var>model-type</var> 
          -msdata=<var>sdata-type</var>  -G <var>num</var>
          </pre>

     <p><em>M88K Options</em>
     <pre class="smallexample">          -m88000  -m88100  -m88110  -mbig-pic 
          -mcheck-zero-division  -mhandle-large-shift 
          -midentify-revision  -mno-check-zero-division 
          -mno-ocs-debug-info  -mno-ocs-frame-position 
          -mno-optimize-arg-area  -mno-serialize-volatile 
          -mno-underscores  -mocs-debug-info 
          -mocs-frame-position  -moptimize-arg-area 
          -mserialize-volatile  -mshort-data-<var>num</var>  -msvr3 
          -msvr4  -mtrap-large-shift  -muse-div-instruction 
          -mversion-03.00  -mwarn-passed-structs
          </pre>

     <p><em>RS/6000 and PowerPC Options</em>
     <pre class="smallexample">          -mcpu=<var>cpu-type</var> 
          -mtune=<var>cpu-type</var> 
          -mpower  -mno-power  -mpower2  -mno-power2 
          -mpowerpc  -mpowerpc64  -mno-powerpc 
          -maltivec  -mno-altivec 
          -mpowerpc-gpopt  -mno-powerpc-gpopt 
          -mpowerpc-gfxopt  -mno-powerpc-gfxopt 
          -mnew-mnemonics  -mold-mnemonics 
          -mfull-toc   -mminimal-toc  -mno-fp-in-toc  -mno-sum-in-toc 
          -m64  -m32  -mxl-call  -mno-xl-call  -mpe 
          -msoft-float  -mhard-float  -mmultiple  -mno-multiple 
          -mstring  -mno-string  -mupdate  -mno-update 
          -mfused-madd  -mno-fused-madd  -mbit-align  -mno-bit-align 
          -mstrict-align  -mno-strict-align  -mrelocatable 
          -mno-relocatable  -mrelocatable-lib  -mno-relocatable-lib 
          -mtoc  -mno-toc  -mlittle  -mlittle-endian  -mbig  -mbig-endian 
          -mcall-aix  -mcall-sysv  -mcall-netbsd 
          -maix-struct-return  -msvr4-struct-return 
          -mabi=altivec  -mabi=no-altivec 
          -mabi=spe  -mabi=no-spe 
          -misel=yes  -misel=no 
          -mprototype  -mno-prototype 
          -msim  -mmvme  -mads  -myellowknife  -memb  -msdata 
          -msdata=<var>opt</var>  -mvxworks  -mwindiss  -G <var>num</var>  -pthread
          </pre>

     <p><em>Darwin Options</em>
     <pre class="smallexample">          -all_load -allowable_client -arch -arch_errors_fatal 
          -arch_only -bind_at_load -bundle -bundle_loader 
          -client_name -compatibility_version -current_version 
          -dependency-file -dylib_file -dylinker_install_name 
          -dynamic -dynamiclib -exported_symbols_list 
          -filelist -flat_namespace -force_cpusubtype_ALL 
          -force_flat_namespace -headerpad_max_install_names 
          -image_base -init -install_name -keep_private_externs 
          -multi_module -multiply_defined -multiply_defined_unused 
          -noall_load -nomultidefs -noprebind -noseglinkedit 
          -pagezero_size -prebind -prebind_all_twolevel_modules 
          -private_bundle -read_only_relocs -sectalign 
          -sectobjectsymbols -whyload -seg1addr 
          -sectcreate -sectobjectsymbols -sectorder 
          -seg_addr_table -seg_addr_table_filename -seglinkedit 
          -segprot -segs_read_only_addr -segs_read_write_addr 
          -single_module -static -sub_library -sub_umbrella 
          -twolevel_namespace -umbrella -undefined 
          -unexported_symbols_list -weak_reference_mismatches -whatsloaded
          </pre>

     <p><em>RT Options</em>
     <pre class="smallexample">          -mcall-lib-mul  -mfp-arg-in-fpregs  -mfp-arg-in-gregs 
          -mfull-fp-blocks  -mhc-struct-return  -min-line-mul 
          -mminimum-fp-blocks  -mnohc-struct-return
          </pre>

     <p><em>MIPS Options</em>
     <pre class="smallexample">          -mabicalls  -march=<var>cpu-type</var>  -mtune=<var>cpu=type</var> 
          -mcpu=<var>cpu-type</var>  -membedded-data  -muninit-const-in-rodata 
          -membedded-pic  -mfp32  -mfp64  -mfused-madd  -mno-fused-madd 
          -mgas  -mgp32  -mgp64 
          -mgpopt  -mhalf-pic  -mhard-float  -mint64  -mips1 
          -mips2  -mips3  -mips4  -mlong64  -mlong32  -mlong-calls  -mmemcpy 
          -mmips-as  -mmips-tfile  -mno-abicalls 
          -mno-embedded-data  -mno-uninit-const-in-rodata 
          -mno-embedded-pic  -mno-gpopt  -mno-long-calls 
          -mno-memcpy  -mno-mips-tfile  -mno-rnames  -mno-stats 
          -mrnames  -msoft-float 
          -m4650  -msingle-float  -mmad 
          -mstats  -EL  -EB  -G <var>num</var>  -nocpp 
          -mabi=32  -mabi=n32  -mabi=64  -mabi=eabi 
          -mfix7000  -mno-crt0  -mflush-func=<var>func</var>  -mno-flush-func 
          -mbranch-likely  -mno-branch-likely
          </pre>

     <p><em>i386 and x86-64 Options</em>
     <pre class="smallexample">          -mcpu=<var>cpu-type</var>  -march=<var>cpu-type</var>  
          -mfpmath=<var>unit</var>  -masm=<var>dialect</var>  -mno-fancy-math-387 
          -mno-fp-ret-in-387  -msoft-float  -msvr3-shlib 
          -mno-wide-multiply  -mrtd  -malign-double 
          -mpreferred-stack-boundary=<var>num</var> 
          -mmmx  -msse  -msse2  -m3dnow 
          -mthreads  -mno-align-stringops  -minline-all-stringops 
          -mpush-args  -maccumulate-outgoing-args  -m128bit-long-double 
          -m96bit-long-double  -mregparm=<var>num</var>  -momit-leaf-frame-pointer 
          -mno-red-zone
          -mcmodel=<var>code-model</var> 
          -m32  -m64
          </pre>

     <p><em>HPPA Options</em>
     <pre class="smallexample">          -march=<var>architecture-type</var> 
          -mbig-switch  -mdisable-fpregs  -mdisable-indexing 
          -mfast-indirect-calls  -mgas  -mgnu-ld  -mhp-ld 
          -mjump-in-delay  -mlinker-opt  -mlong-calls 
          -mlong-load-store  -mno-big-switch  -mno-disable-fpregs 
          -mno-disable-indexing  -mno-fast-indirect-calls  -mno-gas 
          -mno-jump-in-delay  -mno-long-load-store 
          -mno-portable-runtime  -mno-soft-float 
          -mno-space-regs  -msoft-float  -mpa-risc-1-0 
          -mpa-risc-1-1  -mpa-risc-2-0  -mportable-runtime 
          -mschedule=<var>cpu-type</var>  -mspace-regs  -msio  -mwsio 
          -nolibdld  -static  -threads
          </pre>

     <p><em>Intel 960 Options</em>
     <pre class="smallexample">          -m<var>cpu-type</var>  -masm-compat  -mclean-linkage 
          -mcode-align  -mcomplex-addr  -mleaf-procedures 
          -mic-compat  -mic2.0-compat  -mic3.0-compat 
          -mintel-asm  -mno-clean-linkage  -mno-code-align 
          -mno-complex-addr  -mno-leaf-procedures 
          -mno-old-align  -mno-strict-align  -mno-tail-call