summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorRalph Holmes <ralph@ybden.com>2016-01-23 02:07:35 +0000
committerJoel Sherrill <joel@rtems.org>2016-01-22 21:02:07 -0600
commit42a97ee66053095317b594517ade2a7e486b979d (patch)
tree311bb2bcdbea91c86f7bf2982b509242be9ef340
parent535e5da90ca348f92557c687a571c4ef87acaaf6 (diff)
downloadrtems-42a97ee66053095317b594517ade2a7e486b979d.tar.bz2
m68k/mcf52235: Add per-section compilation and linking support.
The size of the sample executables without this option were: text data bss dec hex filename 94272 1680 7664 103616 194c0 base_sp.exe 108144 1648 7216 117008 1c910 hello.exe 32528 1216 4912 38656 9700 minimum.exe 113056 1760 7776 122592 1dee0 nsecs.exe 98000 1680 7696 107376 1a370 ticker.exe 95984 1712 11056 108752 1a8d0 unlimited.exe 202224 2272 7840 212336 33d70 cdtest.exe The size of the sample executables with this option enabled were: text data bss dec hex filename 86224 1648 7616 95488 17500 base_sp.exe 98512 1600 7152 107264 1a300 hello.exe 24032 1184 4864 30080 7580 minimum.exe 105520 1728 7712 114960 1c110 nsecs.exe 90112 1648 7632 99392 18440 ticker.exe 86576 1664 10992 99232 183a0 unlimited.exe 185952 2128 7760 195840 2fd00 cdtest.exe
-rw-r--r--c/src/lib/libbsp/m68k/mcf52235/make/custom/mcf52235.cfg3
1 files changed, 3 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/m68k/mcf52235/make/custom/mcf52235.cfg b/c/src/lib/libbsp/m68k/mcf52235/make/custom/mcf52235.cfg
index 9b22a2196f..b4431aa0cb 100644
--- a/c/src/lib/libbsp/m68k/mcf52235/make/custom/mcf52235.cfg
+++ b/c/src/lib/libbsp/m68k/mcf52235/make/custom/mcf52235.cfg
@@ -13,6 +13,9 @@ CPU_CFLAGS = -mcpu=52235
# optimize flag: typically -O2
CFLAGS_OPTIMIZE_V = -O2 -g -fomit-frame-pointer
+CFLAGS_OPTIMIZE_V += -ffunction-sections -fdata-sections
+
+LDFLAGS = -Wl,--gc-sections
# This defines the operations performed on the linked executable.
# is currently required.