summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorJoel Sherrill <joel@rtems.org>2016-03-10 13:25:13 -0600
committerJoel Sherrill <joel@rtems.org>2016-03-10 18:08:18 -0600
commite354ef11e1b89635c766d510cdeaf6c3b1556f40 (patch)
tree5ee4f3f8b5fe6915eeb3cefaf84e0ae9c876e763
parentarm/rtl22xx: Add per-section compilation and linking support (diff)
downloadrtems-e354ef11e1b89635c766d510cdeaf6c3b1556f40.tar.bz2
arm/smdk2410: Add per-section compilation and linking support
updates #2577. For the smdk2410 BSP variant without this option, sample executables sizes were as follows: text data bss dec hex filename 97924 1980 66992576 67092480 3ffc000 ticker.exe 38256 1400 67052800 67092456 3ffbfe8 minimum.exe 820960 2268 66269220 67092448 3ffbfe0 cxx_iostream.exe 576981 6056 66509440 67092477 3ffbffd fileio.exe 455008 12872 66624576 67092456 3ffbfe8 pppd.exe 198696 2616 66891136 67092448 3ffbfe0 capture.exe 116096 2068 66974308 67092472 3ffbff8 nsecs.exe 181880 2364 66908224 67092468 3ffbff4 paranoia.exe 191224 2012 66899232 67092468 3ffbff4 cdtest.exe 94916 1980 66995584 67092480 3ffc000 base_sp.exe 98184 2012 66992260 67092456 3ffbfe8 unlimited.exe 107860 1956 66982656 67092472 3ffbff8 hello.exe 278248 6764 66807456 67092468 3ffbff4 loopback.exe For the smdk2410 BSP variant with this option, sample executables sizes were as follows: text data bss dec hex filename 91532 1820 66999104 67092456 3ffbfe8 ticker.exe 25508 380 67066564 67092452 3ffbfe4 minimum.exe 512240 2068 66578148 67092456 3ffbfe8 cxx_iostream.exe 559481 5904 66527072 67092457 3ffbfe9 fileio.exe 419052 12580 66660836 67092468 3ffbff4 pppd.exe 188604 2440 66901408 67092452 3ffbfe4 capture.exe 110260 1908 66980288 67092456 3ffbfe8 nsecs.exe 173608 2188 66916672 67092468 3ffbff4 paranoia.exe 182184 1852 66908416 67092452 3ffbfe4 cdtest.exe 87660 1812 67003008 67092480 3ffc000 base_sp.exe 88336 1812 67002308 67092456 3ffbfe8 unlimited.exe 97604 1740 66993120 67092464 3ffbff0 hello.exe 255352 6516 66830592 67092460 3ffbfec loopback.exe
-rw-r--r--c/src/lib/libbsp/arm/smdk2410/make/custom/smdk2410.cfg3
1 files changed, 3 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/arm/smdk2410/make/custom/smdk2410.cfg b/c/src/lib/libbsp/arm/smdk2410/make/custom/smdk2410.cfg
index 874c5ad1fa..c2b92738bd 100644
--- a/c/src/lib/libbsp/arm/smdk2410/make/custom/smdk2410.cfg
+++ b/c/src/lib/libbsp/arm/smdk2410/make/custom/smdk2410.cfg
@@ -13,3 +13,6 @@ CPU_CFLAGS = -mcpu=arm920t -DCPU_S3C2410
# optimize flag: typically -O2
CFLAGS_OPTIMIZE_V = -O2 -g
+CFLAGS_OPTIMIZE_V += -ffunction-sections -fdata-sections
+
+LDFLAGS = -Wl,--gc-sections