I'm using g++ for Hitachi sh and h8 but....
Fabio Giovagnini
fgiovag@tin.it
Tue Dec 10 02:58:00 GMT 2002
I agree with you about c++ on h8-300, even if there could be advantages to use
c++ in device drivers description and their proliferations.
But on sh-2 c++ is very good, because the board with sh-2 is powerfull
enought.
Thanks for your support.
Alle 11:43, martedì 10 dicembre 2002, Michael Svetlik ha scritto:
> Fabio,
>
> you explicitly tell ld, to link libraries into the output file:
> -L$(SYSLIBDIR) -L$(LIBGCCDIR) -lstdc++ -lc -lgcc
> In the map file, you can see their extension .a, so, those files are
> static libs - the linker just does, what it's told to.
> In the ld docs at
> http://www.gnu.org/manual/ld-2.9.1/html_chapter/ld_2.html, you will find
> a '--no-whole-archive' option - I'm not sure it will work, but for me it
> seems so.
> BTW: I've programmed those HITACHI H8 crutches for about five years -
> you are sure you need to hack them in C++ ? We discarded this choice,
> because of the amount of required resources ...
>
> HTH
> Michael
>
> Fabio Giovagnini wrote:
> >The following is a part of my map file:
> >
> >....
> >....
> >
> > .text 0x0000afa0 0xfe0
> >/usr/local/gcc-3.0.3/sh-hms/lib/m2/libstdc++.a(tinfo.o)
> > 0x0000b170
> >__ZN10__cxxabiv117__class_type_infoD2Ev
> > 0x0000b310
> >__ZNK10__cxxabiv117__class_type_info11__do_upcastEPKS0_PPv
> > 0x0000afc0 __ZNSt9type_infoD1Ev
> > 0x0000b120
> > __ZNKSt9type_info14__is_pointer_pEv 0x0000be30
> > __ZTVSt10bad_typeid
> > 0x0000b200
> >__ZN10__cxxabiv120__si_class_type_infoD1Ev
> > 0x0000b130
> > __ZNKSt9type_info15__is_function_pEv 0x0000ba60
> >__ZNK10__cxxabiv120__si_class_type_info11__do_upcastEPKNS_17__class_type_i
> >nfoEPKvRNS1_15__upcast_resultE 0x0000b3f0
> >__ZNK10__cxxabiv121__vmi_class_type_info20__do_find_public_srcElPKvPKNS_17
> >__class_type_infoES2_ 0x0000b0b0 __ZNSt10bad_typeidD0Ev
> > 0x0000b070 __ZNSt10bad_typeidD2Ev
> > 0x0000be58 __ZTVSt9type_info
> > 0x0000b220
> >__ZN10__cxxabiv120__si_class_type_infoD0Ev
> > 0x0000b090 __ZNSt10bad_typeidD1Ev
> > 0x0000ba20
> >__ZNK10__cxxabiv117__class_type_info11__do_upcastEPKS0_PKvRNS0_15__upcast_
> >resultE 0x0000b190
> >__ZN10__cxxabiv117__class_type_infoD1Ev
> > 0x0000b140
> >__ZNKSt9type_info10__do_catchEPKS_PPvj
> > 0x0000bdac
> >__ZTVN10__cxxabiv121__vmi_class_type_infoE
> > 0x0000bca0 ___dynamic_cast
> > 0x0000b040 __ZNSt8bad_castD0Ev
> > 0x0000b2c0
> >__ZNK10__cxxabiv117__class_type_info10__do_catchEPKSt9type_infoPPvj
> > 0x0000b250
> >__ZN10__cxxabiv121__vmi_class_type_infoD2Ev
> > 0x0000b380
> >__ZNK10__cxxabiv120__si_class_type_info20__do_find_public_srcElPKvPKNS_17_
> >_class_type_infoES2_ 0x0000b270
> >__ZN10__cxxabiv121__vmi_class_type_infoD1Ev
> > 0x0000b0e0 __ZNKSt9type_infoeqERKS_
> > 0x0000b540
> >__ZNK10__cxxabiv120__si_class_type_info12__do_dyncastElNS_17__class_type_i
> >nfo10__sub_kindEPKS1_PKvS4_S6_RNS1_16__dyncast_resultE 0x0000be44
> > __ZTVSt8bad_cast
> > 0x0000b1b0
> >__ZN10__cxxabiv117__class_type_infoD0Ev
> > 0x0000b290
> >__ZN10__cxxabiv121__vmi_class_type_infoD0Ev
> > 0x0000b1e0
> >__ZN10__cxxabiv120__si_class_type_infoD2Ev
> > 0x0000b160
> >__ZNKSt9type_info11__do_upcastEPKN10__cxxabiv117__class_type_infoEPPv
> > 0x0000b600
> >__ZNK10__cxxabiv121__vmi_class_type_info12__do_dyncastElNS_17__class_type_
> >info10__sub_kindEPKS1_PKvS4_S6_RNS1_16__dyncast_resultE 0x0000b020
> > __ZNSt8bad_castD1Ev
> > 0x0000afe0 __ZNSt9type_infoD0Ev
> > 0x0000be04
> >__ZTVN10__cxxabiv117__class_type_infoE
> > 0x0000b4d0
> >__ZNK10__cxxabiv117__class_type_info12__do_dyncastElNS0_10__sub_kindEPKS0_
> >PKvS3_S5_RNS0_16__dyncast_resultE 0x0000bdd8
> >__ZTVN10__cxxabiv120__si_class_type_infoE
> > 0x0000bab0
> >__ZNK10__cxxabiv121__vmi_class_type_info11__do_upcastEPKNS_17__class_type_
> >infoEPKvRNS1_15__upcast_resultE 0x0000b360
> >__ZNK10__cxxabiv117__class_type_info20__do_find_public_srcElPKvPKS0_S2_
> > 0x0000afa0 __ZNSt9type_infoD2Ev
> > 0x0000b000 __ZNSt8bad_castD2Ev
> > .text 0x0000bf80 0x170
> >/usr/local/gcc-3.0.3/sh-hms/lib/m2/libstdc++.a(eh_aux_runtime.o)
> > 0x0000bf80 ___cxa_bad_cast
> > 0x0000c010 ___cxa_bad_typeid
> > .text 0x0000c0f0 0xa0
> >/usr/local/gcc-3.0.3/sh-hms/lib/m2/libc.a(sprintf.o)
> > 0x0000c140 _sprintf
> > 0x0000c0f0 __sprintf_r
> > .text 0x0000c190 0xa0
> >/usr/local/gcc-3.0.3/sh-hms/lib/m2/libc.a(strncpy.o)
> > 0x0000c190 _strncpy
> > .text 0x0000c230 0xa0
> >/usr/local/gcc-3.0.3/sh-hms/lib/m2/libc.a(memcpy.o)
> > 0x0000c230 _memcpy
> > .text 0x0000c2d0 0xd0
> >/usr/local/gcc-3.0.3/sh-hms/lib/m2/libc.a(strncmp.o)
> > 0x0000c2d0 _strncmp
> > .text 0x0000c3a0 0x70
> >/usr/local/gcc-3.0.3/sh-hms/lib/m2/libc.a(strlen.o)
> > 0x0000c3a0 _strlen
> > .text 0x0000c410 0x40
> >/usr/local/gcc-3.0.3/sh-hms/lib/m2/libc.a(strcpy.o)
> > 0x0000c410 _strcpy
> > .text 0x0000c450 0x40
> >/usr/local/gcc-3.0.3/sh-hms/lib/m2/libc.a(malloc.o)
> > 0x0000c470 _free
> > 0x0000c450 _malloc
> > .text 0x0000c490 0x10
> >/usr/local/gcc-3.0.3/sh-hms/lib/m2/libc.a(syswrite.o)
> > 0x0000c490 _write
> > .text 0x0000c4a0 0x20
> >/usr/local/gcc-3.0.3/sh-hms/lib/m2/libc.a(abort.o)
> > 0x0000c4a0 _abort
> > .text 0x0000c4c0 0x40
> >/usr/local/gcc-3.0.3/sh-hms/lib/m2/libc.a(memset.o)
> > 0x0000c4c0 _memset
> > .text 0x0000c500 0x40
> >/usr/local/gcc-3.0.3/sh-hms/lib/m2/libc.a(strcmp.o)
> > 0x0000c500 _strcmp
> > .text 0x0000c540 0x17f0
> >/usr/local/gcc-3.0.3/sh-hms/lib/m2/libc.a(vfprintf.o)
> > 0x0000c6f0 __vfprintf_r
> > 0x0000c600 _vfprintf
> > .text 0x0000dd30 0x10
> >/usr/local/gcc-3.0.3/sh-hms/lib/m2/libc.a(impure.o)
> > .text 0x0000dd40 0x620
> >/usr/local/gcc-3.0.3/sh-hms/lib/m2/libc.a(mallocr.o)
> > 0x0000dec0 __malloc_r
> > .text 0x0000e360 0x330
> >/usr/local/gcc-3.0.3/sh-hms/lib/m2/libc.a(freer.o)
> > 0x0000e5b0 __malloc_trim_r
> > 0x0000e360 __free_r
> > .text 0x0000e690 0x3b0
> >/usr/local/gcc-3.0.3/sh-hms/lib/m2/libc.a(syscalls.o)
> > 0x0000e810 __exit
> > 0x0000e850 __getpid
> > 0x0000e8d0 __utime
> > 0x0000e6d0 __write
> > 0x0000e690 __read
> > 0x0000e7f0 __unlink
> > 0x0000e7b0 __open
> > 0x0000e870 __stat
> > 0x0000e800 _isatty
> > 0x0000e900 __wait
> > 0x0000e830 __kill
> > 0x0000e890 __chmod
> > 0x0000e930 __execv
> > 0x0000e910 __execve
> > 0x0000e990 ___setup_argv_and_call_main
> > 0x0000e970 __gettimeofday
> > 0x0000e710 __link
> > 0x0000e860 __raise
> > 0x0000e7d0 __creat
> > 0x0000e950 __pipe
> > 0x0000e8b0 __chown
> > 0x0000e6b0 __lseek
> > 0x0000e6f0 __close
> > 0x0000e960 __times
> > 0x0000e7a0 __fstat
> > 0x0000e8f0 __fork
> > 0x0000e740 __sbrk
> > .text 0x0000ea40 0x280
> >/usr/local/gcc-3.0.3/sh-hms/lib/m2/libc.a(signal.o)
> > 0x0000eb00 __raise_r
> > 0x0000eca0 ___sigtramp
> > 0x0000ec40 _raise
> > 0x0000ec80 __init_signal
> > 0x0000eba0 ___sigtramp_r
> > 0x0000ec60 _signal
> > 0x0000ea90 __signal_r
> > 0x0000ea40 __init_signal_r
> > .text 0x0000ecc0 0x2e0
> >/usr/local/gcc-3.0.3/sh-hms/lib/m2/libc.a(fvwrite.o)
> > 0x0000ecc0 ___sfvwrite
> > .text 0x0000efa0 0xf0
> >/usr/local/gcc-3.0.3/sh-hms/lib/m2/libc.a(fflush.o)
> > 0x0000efa0 _fflush
> > .text 0x0000f090 0x200
> >/usr/local/gcc-3.0.3/sh-hms/lib/m2/libc.a(findfp.o)
> > 0x0000f130 _(short, float, *)
> > 0x0000f220 ___sinit
> > 0x0000f200 __cleanup
> > 0x0000f1e0 __cleanup_r
> > 0x0000f0e0 ___sfmoreglue
> > .text 0x0000f290 0xe0
> >/usr/local/gcc-3.0.3/sh-hms/lib/m2/libc.a(locale.o)
> > 0x0000f330 _setlocale
> > 0x0000f2d0 __setlocale_r
> > 0x0000f350 _localeconv
> > 0x0000f320 __localeconv_r
> > .text 0x0000f370 0x40
> >/usr/local/gcc-3.0.3/sh-hms/lib/m2/libc.a(mbtowc_r.o)
> > 0x0000f370 __mbtowc_r
> > .text 0x0000f3b0 0x30
> >/usr/local/gcc-3.0.3/sh-hms/lib/m2/libc.a(s_isinf.o)
> > 0x0000f3b0 _isinf
> > .text 0x0000f3e0 0x30
> >/usr/local/gcc-3.0.3/sh-hms/lib/m2/libc.a(s_isnan.o)
> > 0x0000f3e0 _isnan
> > .text 0x0000f410 0xc0
> >/usr/local/gcc-3.0.3/sh-hms/lib/m2/libc.a(memchr.o)
> > 0x0000f410 _memchr
> > .text 0x0000f4d0 0x100
> >/usr/local/gcc-3.0.3/sh-hms/lib/m2/libc.a(wsetup.o)
> > 0x0000f4d0 ___swsetup
> > .text 0x0000f5d0 0x1310
> >/usr/local/gcc-3.0.3/sh-hms/lib/m2/libc.a(dtoa.o)
> > 0x0000f780 __dtoa_r
> > .text 0x000108e0 0x40
> >/usr/local/gcc-3.0.3/sh-hms/lib/m2/libc.a(sbrkr.o)
> > 0x000108e0 __sbrk_r
> > .text 0x00010920 0x20
> >/usr/local/gcc-3.0.3/sh-hms/lib/m2/libc.a(mlock.o)
> > 0x00010920 ___malloc_lock
> > 0x00010930 ___malloc_unlock
> > .text 0x00010940 0x20
> >/usr/local/gcc-3.0.3/sh-hms/lib/m2/libc.a(trap.o)
> > 0x00010940 ___trap34
> > .text 0x00010960 0x50
> >/usr/local/gcc-3.0.3/sh-hms/lib/m2/libc.a(signalr.o)
> > 0x000109a0 __getpid_r
> > 0x00010960 __kill_r
> > .text 0x000109b0 0xb0
> >/usr/local/gcc-3.0.3/sh-hms/lib/m2/libc.a(memmove.o)
> > 0x000109b0 _memmove
> > .text 0x00010a60 0x60
> >/usr/local/gcc-3.0.3/sh-hms/lib/m2/libc.a(fwalk.o)
> > 0x00010a60 __fwalk
> > .text 0x00010ac0 0x150
> >/usr/local/gcc-3.0.3/sh-hms/lib/m2/libc.a(stdio.o)
> > 0x00010b10 ___swrite
> > 0x00010bf0 ___sclose
> > 0x00010ac0 ___sread
> > 0x00010b90 ___sseek
> > .text 0x00010c10 0x120
> >/usr/local/gcc-3.0.3/sh-hms/lib/m2/libc.a(makebuf.o)
> > 0x00010c10 ___smakebuf
> > .text 0x00010d30 0xcd0
> >/usr/local/gcc-3.0.3/sh-hms/lib/m2/libc.a(mprec.o)
> > 0x000113e0 ___mcmp
> > 0x00011800 __ratio
> > 0x00011080 __i2b
> > 0x000115c0 __b2d
> > 0x00010e90 __s2b
> > 0x00010f30 __hi0bits
> > 0x00011220 __pow5mult
> > 0x00011430 ___mdiff
> > 0x00011300 __lshift
> > 0x000110a0 __multiply
> > 0x000116e0 __d2b
> > 0x00010d30 __Balloc
> > 0x00011974 ___mprec_tinytens
> > 0x000119a0 __mprec_log10
> > 0x0001194c ___mprec_bigtens
> > 0x00011530 __ulp
> > 0x00010dc0 __Bfree
> > 0x00011884 ___mprec_tens
> > 0x00010fc0 __lo0bits
> > 0x00010de0 __multadd
> >....
> >....
> >
> >are the syscalls a necessary requirement for stdc++ library?
> >
> >thanks.
> >
> >This is my final linker command
> >ld_step : _arnmain_
> > $(LD) $(LFLAGS) -o $(OUTFILE) \
> > $(BASE_ARNSYS_DIR)/$(ARNSYS_DIR)/arch/arch.o \
> > $(BASE_ARNSYS_DIR)/$(ARNSYS_DIR)/system/system.o \
> > ./arnMain/main.o \
> > -L$(SYSLIBDIR) -L$(LIBGCCDIR) -lstdc++ -lc -lgcc
> >and my partial linker commands are:
> >1) $(LD) -r -S -o arch.o $(FILE_TO_LINK)
> >2) $(LD) -r -S -o system.o $(FILE_TO_LINK)
> >
> >Alle 10:27, martedì 10 dicembre 2002, Michael Svetlik ha scritto:
> >>Are you sure, those linker tags _are_ syscalls? I assume, they are
> >>compiler built-in's, so give him a -fno-builtin.
> >>More informations about gcc and friends are here :
> >>http://www.gnu.org/software/gcc/onlinedocs/
> >>
> >>MS (not M$)
> >>
> >>Fabio Giovagnini wrote:
> >>>Hi everybody,
> >>>as in the object, I'm using g++ for sh and h8 that are the uP we use for
> >>>our boards. Because of we work in a very strict real time enviroment we
> >>>can't use a general purpose os, so I wrote a simpel c++ application
> >>>framework to improve the speed of my development. Every thing works
> >>> fine, but if I analyze the map file, I can see all the posix system
> >>> calls linked in, even if I don't implement the posix sys calls and I
> >>> don't use them.
> >>>Is there a linker or compiler option to turn off a set of standard c
> >>>functions?
> >>>
> >>>Thanks.
> >>>
> >>>------
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> >>
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