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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
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0x0000be30 __ZTVSt10bad_typeid
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__ZNKSt9type_info10__do_catchEPKS_PPvj
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__ZTVN10__cxxabiv121__vmi_class_type_infoE
0x0000bca0 ___dynamic_cast
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__ZNK10__cxxabiv117__class_type_info10__do_catchEPKSt9type_infoPPvj
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0x0000be44 __ZTVSt8bad_cast
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__ZN10__cxxabiv121__vmi_class_type_infoD0Ev
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__ZNK10__cxxabiv121__vmi_class_type_info12__do_dyncastElNS_17__class_type_info10__sub_kindEPKS1_PKvS4_S6_RNS1_16__dyncast_resultE
0x0000b020 __ZNSt8bad_castD1Ev
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__ZTVN10__cxxabiv117__class_type_infoE
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__ZNK10__cxxabiv117__class_type_info12__do_dyncastElNS0_10__sub_kindEPKS0_PKvS3_S5_RNS0_16__dyncast_resultE
0x0000bdd8
__ZTVN10__cxxabiv120__si_class_type_infoE
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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 $(FILE_TO_LINK)
Alle 10:27, marted́ 10 dicembre 2002, Michael Svetlik ha scritto:
> Are you sure, those linker tags _are_ syscalls? I assume, they are
> compiler built-in's, so give him a -fno-builtin.
> More informations about gcc and friends are here :
> http://www.gnu.org/software/gcc/onlinedocs/
>
> MS (not M$)
>
> 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.
> >
> >------
> >Want more information? See the CrossGCC FAQ,
> > http://www.objsw.com/CrossGCC/ Want to unsubscribe? Send a note to
> > crossgcc-unsubscribe@sources.redhat.com
>
> ------
> Want more information? See the CrossGCC FAQ,
> http://www.objsw.com/CrossGCC/ Want to unsubscribe? Send a note to
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------
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