On Wed, Nov 7, 2018 at 7:57 AM Sebastian Huber < sebastian.hu...@embedded-brains.de> wrote:
> Hello, > > I noticed a problem with the latest v850 tool chain which uses > -fdata-sections for Newlib: > > gmake[1]: Entering directory > '/build/git-build/b-all-v850-5/v850-rtems5/c/v850e1sim/testsuites/samples' > v850-rtems5-gcc -mv850e1 -O2 -g -ffunction-sections -fdata-sections > -Wall -Wmissing-prototypes -Wimplicit-function-declaration > -Wstrict-prototypes -Wnested-externs -Wl,-Map,map.txt > -B./../../lib/libbsp/v850/gdbv850sim > -B/home/EB/sebastian_h/git-rtems-5/bsps/v850/gdbv850sim/start -specs > bsp_specs -qrtems -L./../../cpukit > -L/home/EB/sebastian_h/git-rtems-5/bsps/v850/shared/start > -Wl,--wrap=printf -Wl,--wrap=puts -Wl,--wrap=putchar -Wl,--gc-sections > -o base_sp.exe base_sp/base_sp-init.o base_sp/base_sp-apptask.o > ./../../lib/libbsp/v850/gdbv850sim/librtemsbsp.a > ./../../cpukit/librtemscpu.a > /build/rtems/5/lib/gcc/v850-rtems5/7.3.0/../../../../v850-rtems5/bin/ld: > /build/rtems/5/lib/gcc/v850-rtems5/7.3.0/../../../../v850-rtems5/lib/v850e/libc.a(lib_a-exit.o): > > in function `exit': > /scratch/git-rtems-source-builder/rtems/build/v850-rtems5-gcc-7.3.0-newlib-08eab6396f678cf5e5968acaed0bae9fd129983b-x86_64-linux-gnu-1/build/v850-rtems5/v850e/newlib/libc/stdlib/../../../../../../gcc-7.3.0/newlib/libc/stdlib/exit.c:62:(.text.exit+0xe): > > relocation truncated to fit: R_V810_GPWLO_1 against symbol > `_global_impure_ptr' defined in .rodata._global_impure_ptr section in > > /build/rtems/5/lib/gcc/v850-rtems5/7.3.0/../../../../v850-rtems5/lib/v850e/libc.a(lib_a-impure.o) > /build/rtems/5/lib/gcc/v850-rtems5/7.3.0/../../../../v850-rtems5/bin/ld: > /build/rtems/5/lib/gcc/v850-rtems5/7.3.0/../../../../v850-rtems5/lib/v850e/libc.a(lib_a-reent.o): > > in function `reclaim_reent': > /scratch/git-rtems-source-builder/rtems/build/v850-rtems5-gcc-7.3.0-newlib-08eab6396f678cf5e5968acaed0bae9fd129983b-x86_64-linux-gnu-1/build/v850-rtems5/v850e/newlib/libc/reent/../../../../../../gcc-7.3.0/newlib/libc/reent/reent.c:46:(.text._reclaim_reent+0x6): > > relocation truncated to fit: R_V810_GPWLO_1 against symbol `_impure_ptr' > defined in .data._impure_ptr section in > > /build/rtems/5/lib/gcc/v850-rtems5/7.3.0/../../../../v850-rtems5/lib/v850e/libc.a(lib_a-impure.o) > collect2: error: ld returned 1 exit status > gmake[1]: *** [Makefile:733: base_sp.exe] Error 1 > gmake[1]: Leaving directory > '/build/git-build/b-all-v850-5/v850-rtems5/c/v850e1sim/testsuites/samples' > > I guess this is somehow related to this definition in Newlib: > > #ifdef __v850 > #define __ATTRIBUTE_IMPURE_PTR__ __attribute__((__sda__)) > #endif > > User of _global_impure_ptr thinks it is in the small-data area, but > definition is elsewhere. > The small data areas are usually finite resources. I don't like infrastructure putting burden on it. Would it make sense to not put this is the sda for RTEMS? --joel > > -- > Sebastian Huber, embedded brains GmbH > > Address : Dornierstr. 4, D-82178 Puchheim, Germany > Phone : +49 89 189 47 41-16 > Fax : +49 89 189 47 41-09 > E-Mail : sebastian.hu...@embedded-brains.de > PGP : Public key available on request. > > Diese Nachricht ist keine geschäftliche Mitteilung im Sinne des EHUG. > > _______________________________________________ > devel mailing list > devel@rtems.org > http://lists.rtems.org/mailman/listinfo/devel
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