diff options
| author | Ralph Holmes <ralph@ybden.com> | 2016-01-21 14:19:25 +0000 |
|---|---|---|
| committer | Joel Sherrill <joel@rtems.org> | 2016-01-21 09:12:31 -0600 |
| commit | 5ebdd28996f586f9bd56f439ec62de37a63ad2ba (patch) | |
| tree | 9bf508678e38df253552612f413d58e1809b2abe /c/src/lib/libbsp/mips | |
| parent | arm: Use DWT CYCCNT for timecounter if available (diff) | |
| download | rtems-5ebdd28996f586f9bd56f439ec62de37a63ad2ba.tar.bz2 | |
mips/rbtx4925: Add per-section compilation and linking support.
The size of the sample executables without this option were:
text data bss dec hex filename
105752 7448 12288 125488 1ea30 base_sp.exe
114212 6464 11904 132580 205e4 hello.exe
64844 4248 8592 77684 12f74 minimum.exe
568632 80292 24664 673588 a4734 fileio.exe
128056 9936 12456 150448 24bb0 nsecs.exe
162664 20132 12960 195756 2fcac paranoia.exe
109768 8300 12336 130404 1fd64 ticker.exe
109816 7676 15728 133220 20864 unlimited.exe
1035520 48120 19681 1103321 10d5d9 cxx_iostream.exe
215960 18520 12593 247073 3c521 cdtest.exe
205608 22188 14164 241960 3b128 capture.exe
The size of the sample executables with this option enabled were:
text data bss dec hex filename
93688 6776 12216 112680 1b828 base_sp.exe
99720 5780 11804 117304 1ca38 hello.exe
40888 3208 8496 52592 cd70 minimum.exe
545656 77224 24110 646990 9df4e fileio.exe
117752 9224 12304 139280 22010 nsecs.exe
149992 19428 12848 182268 2c7fc paranoia.exe
98968 7616 12184 118768 1cff0 ticker.exe
95912 6976 15636 118524 1cefc unlimited.exe
530504 38896 18721 588121 8f959 cxx_iostream.exe
199040 16492 12517 228049 37ad1 cdtest.exe
190856 21160 14000 226016 372e0 capture.exe
Diffstat (limited to 'c/src/lib/libbsp/mips')
| -rw-r--r-- | c/src/lib/libbsp/mips/rbtx4925/make/custom/rbtx4925.cfg | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/mips/rbtx4925/make/custom/rbtx4925.cfg b/c/src/lib/libbsp/mips/rbtx4925/make/custom/rbtx4925.cfg index d32ffd3a67..37b1e00443 100644 --- a/c/src/lib/libbsp/mips/rbtx4925/make/custom/rbtx4925.cfg +++ b/c/src/lib/libbsp/mips/rbtx4925/make/custom/rbtx4925.cfg @@ -12,6 +12,9 @@ CPU_CFLAGS = -mips3 -G0 -EL # optimize flag: typically -O2 CFLAGS_OPTIMIZE_V = -O2 -g -fomit-frame-pointer +CFLAGS_OPTIMIZE_V += -ffunction-sections -fdata-sections + +LDFLAGS = -Wl,--gc-sections define bsp-post-link $(OBJCOPY) -O srec $@ $(basename $@).srec1 |