[PATCH 2/3] mips/jmr3904: Add per-section compilation and linking support

[Gedare Bloom]

Do you have Tester results?

On Tue, Jan 5, 2016 at 6:34 PM, Joel Sherrill <joel at rtems.org> wrote:
> The size of the sample executables without this option were:
>
>  128028    1812   12224  142064   22af0 ticker.exe
>   52600    1324    8192   62116    f2a4 minimum.exe
> 1156240    2168   19696 1178104  11f9f8 cxx_iostream.exe
>  706952    5908   24600  737460   b40b4 fileio.exe
>  243232    2372   14084  259688   3f668 capture.exe
>  155660    1940   12376  169976   297f8 nsecs.exe
>  201256    2212   12896  216364   34d2c paranoia.exe
>  253696    1872   12576  268144   41770 cdtest.exe
>  124452    1812   12208  138472   21ce8 base_sp.exe
>  127640    1844   15648  145132   236ec unlimited.exe
>  133452    1780   11760  146992   23e30 hello.exe
>
> The size of the sample executables with this option enabled were:
>
>  115052    1712   12096  128860   1f75c ticker.exe
>   40760    1256    8144   50160    c3f0 minimum.exe
>  671768    2076   18688  692532   a9134 cxx_iostream.exe
>  679672    5696   23992  709360   ad2f0 fileio.exe
>  227384    2196   13924  243504   3b730 capture.exe
>  143132    1832   12248  157212   2661c nsecs.exe
>  187736    2104   12768  202608   31770 paranoia.exe
>  234324    1788   12448  248560   3caf0 cdtest.exe
>  111556    1712   12080  125348   1e9a4 base_sp.exe
>  112876    1744   15520  130140   1fc5c unlimited.exe
>  118120    1688   11696  131504   201b0 hello.exe
> ---
>  c/src/lib/libbsp/mips/jmr3904/make/custom/jmr3904.cfg | 5 +++++
>  1 file changed, 5 insertions(+)
>
> diff --git a/c/src/lib/libbsp/mips/jmr3904/make/custom/jmr3904.cfg b/c/src/lib/libbsp/mips/jmr3904/make/custom/jmr3904.cfg
> index 056f63c..6b76135 100644
> --- a/c/src/lib/libbsp/mips/jmr3904/make/custom/jmr3904.cfg
> +++ b/c/src/lib/libbsp/mips/jmr3904/make/custom/jmr3904.cfg
> @@ -10,3 +10,8 @@ RTEMS_CPU_MODEL=tx3904
>  CPU_CFLAGS = -march=r3900 -Wa,-xgot -G0
>
>  CFLAGS_OPTIMIZE_V = -O2 -g
> +
> +# arguments to compile and link with per-element sections
> +CFLAGS_OPTIMIZE_V += -ffunction-sections -fdata-sections
> +LDFLAGS            = -Wl,--gc-sections
> +
> --
> 1.8.3.1
>
> _______________________________________________
> devel mailing list
> devel at rtems.org
> http://lists.rtems.org/mailman/listinfo/devel