[rtems commit] arm/edb7312: Add per-section compilation and linking support
Joel Sherrill
joel at rtems.org
Sat Jan 9 18:37:59 UTC 2016
Module: rtems
Branch: master
Commit: d0aab2b3a952969da1fc141b5f20ccd2b59b49cd
Changeset: http://git.rtems.org/rtems/commit/?id=d0aab2b3a952969da1fc141b5f20ccd2b59b49cd
Author: Aun-Ali Zaidi <admin at kodeit.net>
Date: Sat Jan 9 12:16:13 2016 -0600
arm/edb7312: Add per-section compilation and linking support
The size of the sample executables without this option were:
text data bss dec hex filename
60732 1636 16714848 16777216 1000000 minimum.exe
93700 1868 16681632 16777200 fffff0 base_sp.exe
114076 1956 16661156 16777188 ffffe4 nsecs.exe
192608 2352 16582244 16777204 fffff4 capture.exe
205980 1896 16569312 16777188 ffffe4 cdtest.exe
182060 2252 16592900 16777212 fffffc paranoia.exe
106596 1844 16668772 16777212 fffffc hello.exe
564540 5780 16206884 16777204 fffff4 fileio.exe
97136 1868 16678212 16777216 1000000 ticker.exe
273136 6656 16497408 16777200 fffff0 loopback.exe
592916 2112 16182176 16777204 fffff4 cxx_iostream.exe
451920 12764 16312512 16777196 ffffec pppd.exe
95812 1900 16679488 16777200 fffff0 unlimited.exe
The size of the sample executables with this option enabled were:
text data bss dec hex filename
32020 1208 16743968 16777196 ffffec minimum.exe
87720 1708 16687780 16777208 fffff8 base_sp.exe
108192 1796 16667200 16777188 ffffe4 nsecs.exe
184488 2184 16590532 16777204 fffff4 capture.exe
197940 1744 16577504 16777188 ffffe4 cdtest.exe
175420 2084 16599684 16777188 ffffe4 paranoia.exe
98044 1684 16677476 16777204 fffff4 hello.exe
548124 5620 16223460 16777204 fffff4 fileio.exe
91140 1708 16684352 16777200 fffff0 ticker.exe
252968 6408 16517824 16777200 fffff0 loopback.exe
414640 1952 16360612 16777204 fffff4 cxx_iostream.exe
418608 12472 16346116 16777196 ffffec pppd.exe
87616 1740 16687844 16777200 fffff0 unlimited.exe
---
c/src/lib/libbsp/arm/edb7312/make/custom/edb7312.cfg | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/c/src/lib/libbsp/arm/edb7312/make/custom/edb7312.cfg b/c/src/lib/libbsp/arm/edb7312/make/custom/edb7312.cfg
index bc596aa..832f47b 100644
--- a/c/src/lib/libbsp/arm/edb7312/make/custom/edb7312.cfg
+++ b/c/src/lib/libbsp/arm/edb7312/make/custom/edb7312.cfg
@@ -14,3 +14,7 @@ CPU_CFLAGS = -mcpu=$(RTEMS_CPU_MODEL)
# 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
More information about the vc
mailing list