[rtems commit] powerpc/gen5200: Add per-section compilation and linking support.
Joel Sherrill
joel at rtems.org
Sat Jan 23 21:22:56 UTC 2016
Module: rtems
Branch: master
Commit: 6d21c13e5094d490280a941cf0e8333f91f85715
Changeset: http://git.rtems.org/rtems/commit/?id=6d21c13e5094d490280a941cf0e8333f91f85715
Author: Ralph Holmes <ralph at ybden.com>
Date: Sat Jan 23 21:15:40 2016 +0000
powerpc/gen5200: Add per-section compilation and linking support.
For the brs5l BSP variant:
The size of the sample executables without this option were:
text data bss dec hex filename
140000 2272 7904 150176 24aa0 base_sp.exe
148800 2112 7872 158784 26c40 hello.exe
99072 1824 4576 105472 19c00 minimum.exe
665664 11840 21088 698592 aa8e0 fileio.exe
164768 2368 8000 175136 2ac20 nsecs.exe
201984 2656 8512 213152 340a0 paranoia.exe
143296 2272 7936 153504 257a0 ticker.exe
142752 2304 11680 156736 26440 unlimited.exe
939040 154112 15584 1108736 10eb00 cxx_iostream.exe
252736 10368 8576 271680 42540 cdtest.exe
251200 2784 9728 263712 40620 capture.exe
The size of the sample executables with this option enabled were:
text data bss dec hex filename
116832 2240 7872 126944 1efe0 base_sp.exe
123424 2080 7840 133344 208e0 hello.exe
45472 1568 4000 51040 c760 minimum.exe
628064 11808 20320 660192 a12e0 fileio.exe
142304 2336 8000 152640 25440 nsecs.exe
178240 2624 8512 189376 2e3c0 paranoia.exe
120384 2272 7904 130560 1fe00 ticker.exe
118080 2272 11648 132000 203a0 unlimited.exe
583968 141024 14720 739712 b4980 cxx_iostream.exe
230048 9888 8576 248512 3cac0 cdtest.exe
225216 2720 9696 237632 3a040 capture.exe
For the brs6l BSP variant:
The size of the sample executables without this option were:
text data bss dec hex filename
140096 2272 7904 150272 24b00 base_sp.exe
148896 2112 7872 158880 26ca0 hello.exe
99136 1824 4576 105536 19c40 minimum.exe
665696 11840 21088 698624 aa900 fileio.exe
164832 2368 8000 175200 2ac60 nsecs.exe
202080 2656 8512 213248 34100 paranoia.exe
143392 2272 7936 153600 25800 ticker.exe
142848 2304 11680 156832 264a0 unlimited.exe
939136 154112 15584 1108832 10eb60 cxx_iostream.exe
252800 10368 8576 271744 42580 cdtest.exe
251296 2784 9728 263808 40680 capture.exe
The size of the sample executables with this option enabled were:
text data bss dec hex filename
116896 2240 7872 127008 1f020 base_sp.exe
123520 2080 7840 133440 20940 hello.exe
45568 1568 4000 51136 c7c0 minimum.exe
628096 11808 20320 660224 a1300 fileio.exe
142368 2336 8000 152704 25480 nsecs.exe
178304 2624 8512 189440 2e400 paranoia.exe
120448 2272 7904 130624 1fe40 ticker.exe
118144 2272 11648 132064 203e0 unlimited.exe
584032 141024 14720 739776 b49c0 cxx_iostream.exe
230144 9888 8576 248608 3cb20 cdtest.exe
225280 2720 9696 237696 3a080 capture.exe
For the dp2 BSP variant:
The size of the sample executables without this option were:
text data bss dec hex filename
139488 2272 7968 149728 248e0 base_sp.exe
148288 2112 7936 158336 26a80 hello.exe
98528 1824 4640 104992 19a20 minimum.exe
665376 11840 21152 698368 aa800 fileio.exe
164224 2368 8064 174656 2aa40 nsecs.exe
201504 2656 8576 212736 33f00 paranoia.exe
142784 2272 8000 153056 255e0 ticker.exe
142272 2304 11744 156320 262a0 unlimited.exe
938528 154112 15648 1108288 10e940 cxx_iostream.exe
252224 10368 8640 271232 42380 cdtest.exe
250688 2784 9824 263296 40480 capture.exe
The size of the sample executables with this option enabled were:
text data bss dec hex filename
116320 2240 7936 126496 1ee20 base_sp.exe
122912 2080 7904 132896 20720 hello.exe
44864 1568 4064 50496 c540 minimum.exe
627744 11808 20384 659936 a11e0 fileio.exe
141792 2336 8064 152192 25280 nsecs.exe
177728 2624 8576 188928 2e200 paranoia.exe
119872 2272 7968 130112 1fc40 ticker.exe
117568 2272 11712 131552 201e0 unlimited.exe
583456 141024 14784 739264 b47c0 cxx_iostream.exe
229536 9888 8640 248064 3c900 cdtest.exe
224736 2720 9792 237248 39ec0 capture.exe
For the icecube BSP variant:
The size of the sample executables without this option were:
text data bss dec hex filename
139008 2272 7808 149088 24660 base_sp.exe
147808 2112 7776 157696 26800 hello.exe
98080 1824 4480 104384 197c0 minimum.exe
664800 11840 20992 697632 aa520 fileio.exe
163776 2368 7904 174048 2a7e0 nsecs.exe
201024 2656 8448 212128 33ca0 paranoia.exe
142304 2272 7840 152416 25360 ticker.exe
141792 2304 11584 155680 26020 unlimited.exe
938048 154112 15488 1107648 10e6c0 cxx_iostream.exe
251744 10368 8480 270592 42100 cdtest.exe
250208 2784 9664 262656 40200 capture.exe
The size of the sample executables with this option enabled were:
text data bss dec hex filename
115904 2272 7776 125952 1ec00 base_sp.exe
122496 2080 7744 132320 204e0 hello.exe
44480 1568 3904 49952 c320 minimum.exe
627264 11808 20224 659296 a0f60 fileio.exe
141376 2368 7904 151648 25060 nsecs.exe
177312 2656 8416 188384 2dfe0 paranoia.exe
119456 2272 7808 129536 1fa00 ticker.exe
117152 2272 11552 130976 1ffa0 unlimited.exe
583040 141024 14624 738688 b4580 cxx_iostream.exe
229152 9888 8480 247520 3c6e0 cdtest.exe
224320 2720 9632 236672 39c80 capture.exe
For the pm520_cr825 BSP variant:
The size of the sample executables without this option were:
text data bss dec hex filename
139328 2272 7968 149568 24840 base_sp.exe
148128 2112 7936 158176 269e0 hello.exe
98368 1824 4640 104832 19980 minimum.exe
665088 11840 21152 698080 aa6e0 fileio.exe
164064 2368 8064 174496 2a9a0 nsecs.exe
201312 2656 8576 212544 33e40 paranoia.exe
142624 2272 8000 152896 25540 ticker.exe
142112 2304 11744 156160 26200 unlimited.exe
938368 154112 15648 1108128 10e8a0 cxx_iostream.exe
252032 10368 8640 271040 422c0 cdtest.exe
250528 2784 9824 263136 403e0 capture.exe
The size of the sample executables with this option enabled were:
text data bss dec hex filename
116160 2240 7936 126336 1ed80 base_sp.exe
122752 2080 7904 132736 20680 hello.exe
44768 1568 4064 50400 c4e0 minimum.exe
627488 11808 20384 659680 a10e0 fileio.exe
141632 2336 8064 152032 251e0 nsecs.exe
177568 2624 8576 188768 2e160 paranoia.exe
119712 2272 7968 129952 1fba0 ticker.exe
117408 2272 11712 131392 20140 unlimited.exe
583296 141024 14784 739104 b4720 cxx_iostream.exe
229376 9888 8640 247904 3c860 cdtest.exe
224544 2720 9792 237056 39e00 capture.exe
For the pm520_ze30 BSP variant:
The size of the sample executables without this option were:
text data bss dec hex filename
139456 2272 7968 149696 248c0 base_sp.exe
148256 2112 7936 158304 26a60 hello.exe
98496 1824 4640 104960 19a00 minimum.exe
665216 11840 21152 698208 aa760 fileio.exe
164192 2368 8064 174624 2aa20 nsecs.exe
201408 2656 8576 212640 33ea0 paranoia.exe
142720 2272 8000 152992 255a0 ticker.exe
142240 2304 11744 156288 26280 unlimited.exe
938496 154112 15648 1108256 10e920 cxx_iostream.exe
252160 10368 8640 271168 42340 cdtest.exe
250624 2784 9824 263232 40440 capture.exe
The size of the sample executables with this option enabled were:
text data bss dec hex filename
116288 2240 7936 126464 1ee00 base_sp.exe
122880 2080 7904 132864 20700 hello.exe
44896 1568 4064 50528 c560 minimum.exe
627616 11808 20384 659808 a1160 fileio.exe
141760 2336 8064 152160 25260 nsecs.exe
177664 2624 8576 188864 2e1c0 paranoia.exe
119808 2272 7968 130048 1fc00 ticker.exe
117536 2272 11712 131520 201c0 unlimited.exe
583392 141024 14784 739200 b4780 cxx_iostream.exe
229504 9888 8640 248032 3c8e0 cdtest.exe
224672 2720 9792 237184 39e80 capture.exe
---
c/src/lib/libbsp/powerpc/gen5200/make/custom/gen5200.inc | 3 +++
1 file changed, 3 insertions(+)
diff --git a/c/src/lib/libbsp/powerpc/gen5200/make/custom/gen5200.inc b/c/src/lib/libbsp/powerpc/gen5200/make/custom/gen5200.inc
index 91e9238..aca2bf4 100644
--- a/c/src/lib/libbsp/powerpc/gen5200/make/custom/gen5200.inc
+++ b/c/src/lib/libbsp/powerpc/gen5200/make/custom/gen5200.inc
@@ -15,3 +15,6 @@ CPU_CFLAGS = -mcpu=603e -mstrict-align \
# optimize flag: typically -O2
CFLAGS_OPTIMIZE_V = -O2 -g -fno-keep-inline-functions
+CFLAGS_OPTIMIZE_V += -ffunction-sections -fdata-sections
+
+LDFLAGS = -Wl,--gc-sections
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