[rtems commit] arm/csb337: Add per-section compilation and linking support
Joel Sherrill
joel at rtems.org
Sat Jan 9 18:15:00 UTC 2016
Module: rtems
Branch: master
Commit: dac70edbcdb684f683f9b699fa3de1a4f2097618
Changeset: http://git.rtems.org/rtems/commit/?id=dac70edbcdb684f683f9b699fa3de1a4f2097618
Author: Aun-Ali Zaidi <admin at kodeit.net>
Date: Sat Jan 9 11:53:50 2016 -0600
arm/csb337: Add per-section compilation and linking support
CSB337
======
The size of the sample executables without this option were:
text data bss dec hex filename
70556 2168 15640608 15713332 efc434 minimum.exe
102324 2428 15608576 15713328 efc430 base_sp.exe
122712 2516 15588096 15713324 efc42c nsecs.exe
201232 2912 15509184 15713328 efc430 capture.exe
214608 2456 15496256 15713320 efc428 cdtest.exe
190600 2804 15519936 15713340 efc43c paranoia.exe
115312 2372 15595648 15713332 efc434 hello.exe
573592 6340 15133408 15713340 efc43c fileio.exe
105752 2428 15605152 15713332 efc434 ticker.exe
281684 7208 15424448 15713340 efc43c loopback.exe
601632 2640 15109056 15713328 efc430 cxx_iostream.exe
460224 13324 15239776 15713324 efc42c pppd.exe
104536 2428 15606368 15713332 efc434 unlimited.exe
The size of the sample executables with this option enabled were:
text data bss dec hex filename
32396 1404 15679520 15713320 efc428 minimum.exe
92036 2268 15619040 15713344 efc440 base_sp.exe
112516 2356 15598464 15713336 efc438 nsecs.exe
188792 2744 15521792 15713328 efc430 capture.exe
202256 2304 15508768 15713328 efc430 cdtest.exe
179664 2644 15531008 15713316 efc424 paranoia.exe
102848 2220 15608256 15713324 efc42c hello.exe
552880 6180 15154272 15713332 efc434 fileio.exe
95448 2268 15615616 15713332 efc434 ticker.exe
257188 6968 15449184 15713340 efc43c loopback.exe
419444 2488 15291392 15713324 efc42c cxx_iostream.exe
422624 13032 15277664 15713320 efc428 pppd.exe
92428 2276 15618624 15713328 efc430 unlimited.exe
CSB637
======
The size of the sample executables without this option were:
text data bss dec hex filename
70556 2168 65972256 66044980 3efc434 minimum.exe
102324 2428 65940224 66044976 3efc430 base_sp.exe
122712 2516 65919744 66044972 3efc42c nsecs.exe
201232 2912 65840832 66044976 3efc430 capture.exe
214608 2456 65827904 66044968 3efc428 cdtest.exe
190600 2804 65851584 66044988 3efc43c paranoia.exe
115312 2372 65927296 66044980 3efc434 hello.exe
573592 6340 65465056 66044988 3efc43c fileio.exe
105752 2428 65936800 66044980 3efc434 ticker.exe
281684 7208 65756096 66044988 3efc43c loopback.exe
601632 2640 65440704 66044976 3efc430 cxx_iostream.exe
460224 13324 65571424 66044972 3efc42c pppd.exe
104536 2428 65938016 66044980 3efc434 unlimited.exe
The size of the sample executables with this option enabled were:
text data bss dec hex filename
32396 1404 66011168 66044968 3efc428 minimum.exe
92036 2268 65950688 66044992 3efc440 base_sp.exe
112516 2356 65930112 66044984 3efc438 nsecs.exe
188792 2744 65853440 66044976 3efc430 capture.exe
202256 2304 65840416 66044976 3efc430 cdtest.exe
179664 2644 65862656 66044964 3efc424 paranoia.exe
102848 2220 65939904 66044972 3efc42c hello.exe
552880 6180 65485920 66044980 3efc434 fileio.exe
95448 2268 65947264 66044980 3efc434 ticker.exe
257188 6968 65780832 66044988 3efc43c loopback.exe
419444 2488 65623040 66044972 3efc42c cxx_iostream.exe
422624 13032 65609312 66044968 3efc428 pppd.exe
92428 2276 65950272 66044976 3efc430 unlimited.exe
KIT637 V6
=========
The size of the sample executables without this option were:
text data bss dec hex filename
70556 2168 15640608 15713332 efc434 minimum.exe
102324 2428 15608576 15713328 efc430 base_sp.exe
122712 2516 15588096 15713324 efc42c nsecs.exe
201232 2912 15509184 15713328 efc430 capture.exe
214608 2456 15496256 15713320 efc428 cdtest.exe
190600 2804 15519936 15713340 efc43c paranoia.exe
115312 2372 15595648 15713332 efc434 hello.exe
573596 6340 15133408 15713344 efc440 fileio.exe
105752 2428 15605152 15713332 efc434 ticker.exe
281684 7208 15424448 15713340 efc43c loopback.exe
601632 2640 15109056 15713328 efc430 cxx_iostream.exe
460224 13324 15239776 15713324 efc42c pppd.exe
104536 2428 15606368 15713332 efc434 unlimited.exe
The size of the sample executables with this option enabled were:
text data bss dec hex filename
32396 1404 15679520 15713320 efc428 minimum.exe
92036 2268 15619040 15713344 efc440 base_sp.exe
112516 2356 15598464 15713336 efc438 nsecs.exe
188792 2744 15521792 15713328 efc430 capture.exe
202256 2304 15508768 15713328 efc430 cdtest.exe
179664 2644 15531008 15713316 efc424 paranoia.exe
102848 2220 15608256 15713324 efc42c hello.exe
552884 6180 15154272 15713336 efc438 fileio.exe
95448 2268 15615616 15713332 efc434 ticker.exe
257188 6968 15449184 15713340 efc43c loopback.exe
419444 2488 15291392 15713324 efc42c cxx_iostream.exe
422624 13032 15277664 15713320 efc428 pppd.exe
92428 2276 15618624 15713328 efc430 unlimited.exe
---
c/src/lib/libbsp/arm/csb337/make/custom/csb337.cfg | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/c/src/lib/libbsp/arm/csb337/make/custom/csb337.cfg b/c/src/lib/libbsp/arm/csb337/make/custom/csb337.cfg
index 29dfaf7..a579c19 100644
--- a/c/src/lib/libbsp/arm/csb337/make/custom/csb337.cfg
+++ b/c/src/lib/libbsp/arm/csb337/make/custom/csb337.cfg
@@ -13,3 +13,7 @@ CPU_CFLAGS = -mcpu=arm920
# optimize flag: typically -O2
CFLAGS_OPTIMIZE_V = -O2 -g
+
+# Add CFLAGS and LDFLAGS for compiling and linking with per item sections
+CFLAGS_OPTIMIZE_V += -ffunction-sections -fdata-sections
+LDFLAGS = -Wl,--gc-sections
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