updates #2577. For the generic_or1k BSP variant without this option sample executables sizes were as follows:
text data bss dec hex filename 255044 1780 33297600 33554424 1fffff8 ticker.exe 188484 1496 33364448 33554428 1fffffc minimum.exe 829728 77432 32647264 33554424 1fffff8 cxx_iostream.exe 1110588 6112 32437728 33554428 1fffffc fileio.exe 881676 14420 32658304 33554400 1ffffe0 pppd.exe 428200 2556 33123648 33554404 1ffffe4 capture.exe 274012 1868 33278528 33554408 1ffffe8 nsecs.exe 398084 2184 33154144 33554412 1ffffec paranoia.exe 387348 7420 33159648 33554416 1fffff0 cdtest.exe 247752 1780 33304896 33554428 1fffffc base_sp.exe 253888 1808 33298720 33554416 1fffff0 unlimited.exe 261792 1752 33290880 33554424 1fffff8 hello.exe 569612 6792 32978016 33554420 1fffff4 loopback.exe For the generic_or1k BSP variant with this option sample executables sizes were as follows: text data bss dec hex filename 229804 1760 33314592 33546156 1ffdfac ticker.exe 118744 1424 33425984 33546152 1ffdfa8 minimum.exe 607344 29188 32909632 33546164 1ffdfb4 cxx_iostream.exe 1064124 6088 32475936 33546148 1ffdfa4 fileio.exe 801832 14156 32730176 33546164 1ffdfb4 pppd.exe 392908 2508 33150752 33546168 1ffdfb8 capture.exe 249932 1848 33294368 33546148 1ffdfa4 nsecs.exe 372320 2164 33171680 33546164 1ffdfb4 paranoia.exe 361148 6980 33178016 33546144 1ffdfa0 cdtest.exe 222004 1760 33322400 33546164 1ffdfb4 base_sp.exe 222812 1772 33321568 33546152 1ffdfa8 unlimited.exe 229764 1704 33314688 33546156 1ffdfac hello.exe 515572 6576 33024000 33546148 1ffdfa4 loopback.exe --- c/src/lib/libbsp/or1k/generic_or1k/make/custom/generic_or1k.cfg | 3 +++ 1 file changed, 3 insertions(+) diff --git a/c/src/lib/libbsp/or1k/generic_or1k/make/custom/generic_or1k.cfg b/c/src/lib/libbsp/or1k/generic_or1k/make/custom/generic_or1k.cfg index fff00ae..9a00643 100644 --- a/c/src/lib/libbsp/or1k/generic_or1k/make/custom/generic_or1k.cfg +++ b/c/src/lib/libbsp/or1k/generic_or1k/make/custom/generic_or1k.cfg @@ -5,3 +5,6 @@ RTEMS_CPU = or1k CPU_CFLAGS = -O2 CFLAGS_OPTIMIZE_V ?= -O0 -g +CFLAGS_OPTIMIZE_V += -ffunction-sections -fdata-sections + +LDFLAGS = -Wl,--gc-sections -- 1.8.3.1 _______________________________________________ devel mailing list devel@rtems.org http://lists.rtems.org/mailman/listinfo/devel
