updates #2577. For the lpc40xx_ea_ram BSP variant without this option, sample executable sizes were as follows:
text data bss dec hex filename 63894 1724 33554336 33619954 200fff2 ticker.exe 21802 1088 33597056 33619946 200ffea minimum.exe 549842 2004 33068096 33619942 200ffe6 cxx_iostream.exe 391958 5800 33222176 33619934 200ffde fileio.exe 299670 12616 33307680 33619966 200fffe pppd.exe 134162 2360 33483424 33619946 200ffea capture.exe 75204 1812 33542944 33619960 200fff8 nsecs.exe 125934 2100 33491904 33619938 200ffe2 paranoia.exe 128182 1748 33490016 33619946 200ffea cdtest.exe 61902 1724 33556320 33619946 200ffea base_sp.exe 63566 1748 33554624 33619938 200ffe2 unlimited.exe 71702 1692 33546560 33619954 200fff2 hello.exe 180790 6500 33432672 33619962 200fffa loopback.exe For the lpc40xx_ea_ram BSP variant with this option, sample executable sizes were as follows: text data bss dec hex filename 59154 1712 33559072 33619938 200ffe2 ticker.exe 13958 280 33605728 33619966 200fffe minimum.exe 336422 1960 33281568 33619950 200ffee cxx_iostream.exe 380222 5788 33233920 33619930 200ffda fileio.exe 277050 12464 33330432 33619946 200ffea pppd.exe 127586 2340 33490016 33619942 200ffe6 capture.exe 70780 1800 33547360 33619940 200ffe4 nsecs.exe 121126 2088 33496736 33619950 200ffee paranoia.exe 121466 1736 33496736 33619938 200ffe2 cdtest.exe 57034 1712 33561216 33619962 200fffa base_sp.exe 57494 1712 33560736 33619942 200ffe6 unlimited.exe 65326 1640 33552992 33619958 200fff6 hello.exe 166862 6400 33446688 33619950 200ffee loopback.exe For the lpc40xx_ea_rom_int BSP variant without this option, sample executable sizes were as follows: text data bss dec hex filename 64062 1724 33557096 33622882 2010b62 ticker.exe 21970 1088 33557704 33580762 20066da minimum.exe 392130 5800 33553064 33950994 2060d12 fileio.exe 299838 12616 33546504 33858958 204a58e pppd.exe 134330 2360 33556488 33693178 2021dfa capture.exe 75372 1812 33557000 33634184 2013788 nsecs.exe 126102 2100 33556712 33684914 201fdb2 paranoia.exe 128350 1748 33557096 33687194 202069a cdtest.exe 62070 1724 33557096 33620890 201039a base_sp.exe 63734 1748 33557064 33622546 2010a12 unlimited.exe 71870 1692 33557128 33630690 20129e2 hello.exe 180958 6500 33552616 33740074 202d52a loopback.exe For the lpc40xx_ea_rom_int BSP variant with this option, sample executable sizes were as follows: text data bss dec hex filename 59322 1712 33557096 33618130 200f8d2 ticker.exe 14126 280 33558504 33572910 200482e minimum.exe 336590 1960 33556904 33895454 205341e cxx_iostream.exe 380394 5788 33553064 33939246 205df2e fileio.exe 277218 12464 33546632 33836314 2044d1a pppd.exe 127754 2340 33556488 33686582 2020436 capture.exe 70948 1800 33557000 33629748 2012634 nsecs.exe 121294 2088 33556712 33680094 201eade paranoia.exe 121634 1736 33557096 33680466 201ec52 cdtest.exe 57202 1712 33557096 33616010 200f08a base_sp.exe 57662 1712 33557096 33616470 200f256 unlimited.exe 65494 1640 33557160 33624294 20110e6 hello.exe 167030 6400 33552712 33726142 2029ebe loopback.exe --- c/src/lib/libbsp/arm/lpc24xx/make/custom/lpc40xx.inc | 3 +++ 1 file changed, 3 insertions(+) diff --git a/c/src/lib/libbsp/arm/lpc24xx/make/custom/lpc40xx.inc b/c/src/lib/libbsp/arm/lpc24xx/make/custom/lpc40xx.inc index 2c921db..5460a95 100644 --- a/c/src/lib/libbsp/arm/lpc24xx/make/custom/lpc40xx.inc +++ b/c/src/lib/libbsp/arm/lpc24xx/make/custom/lpc40xx.inc @@ -9,3 +9,6 @@ RTEMS_CPU = arm CPU_CFLAGS = -mthumb -march=armv7-m -mfpu=fpv4-sp-d16 -mfloat-abi=hard -mtune=cortex-m4 CFLAGS_OPTIMIZE_V = -O2 -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
