From f57d4d584efd9b5bc66eb23e8de768a25be3919f Mon Sep 17 00:00:00 2001 From: Shashvat Jain Date: Thu, 29 Nov 2018 13:32:46 -0500 Subject: m68k/mcf5206elite:Add per-section compilation and linking support (GCI 2018) The size of the sample executables without this option were: text data bss dec hex filename 70704 1104 11008 82816 14380 ./base_sp.exe 202640 2096 14288 219024 35790 ./capture.exe 240416 2864 12016 255296 3e540 ./cdtest.exe 851024 21840 18736 891600 d9ad0 ./cxx_iostream.exe 570560 4640 23760 598960 923b0 ./fileio.exe 104928 1456 11168 117552 1cb30 ./hello.exe 249904 5968 17776 273648 42cf0 ./loopback.exe 38304 288 6864 45456 b190 ./minimum.exe 94416 1584 11136 107136 1a280 ./nsecs.exe 179728 1856 11744 193328 2f330 ./paranoia.exe 435296 12048 40912 488256 77340 ./pppd.exe 73856 1120 11040 86016 15000 ./ticker.exe 74048 1072 14928 90048 15fc0 ./unlimited.exe The size of the sample executables with this option were: text data bss dec hex filename 172384 2176 12160 186720 2d960 ./cxx_iostream.exe 558320 4608 23440 586368 8f280 ./fileio.exe 96256 1456 11136 108848 1a930 ./hello.exe 234144 5968 17712 257824 3ef20 ./loopback.exe 37648 288 6832 44768 aee0 ./minimum.exe 88560 1568 11056 101184 18b40 ./nsecs.exe 171360 1856 11712 184928 2d260 ./paranoia.exe 422992 12032 40848 475872 742e0 ./pppd.exe 69120 1120 10960 81200 13d30 ./ticker.exe 72464 1072 14896 88432 15970 ./unlimited.exe 66256 1088 10928 78272 131c0 ./base_sp.exe 189296 2096 14256 205648 32350 ./capture.exe 172272 2096 11968 186336 2d7e0 ./cdtest.exe Closes #2572 --- bsps/m68k/mcf5206elite/config/mcf5206elite.cfg | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/bsps/m68k/mcf5206elite/config/mcf5206elite.cfg b/bsps/m68k/mcf5206elite/config/mcf5206elite.cfg index 258727b9be..079e49253c 100644 --- a/bsps/m68k/mcf5206elite/config/mcf5206elite.cfg +++ b/bsps/m68k/mcf5206elite/config/mcf5206elite.cfg @@ -15,7 +15,6 @@ CPU_CFLAGS = -mcpu=5206 # optimize flag: typically -O2 CFLAGS_OPTIMIZE_V = -O2 -g -fomit-frame-pointer -# FIXME: Disabled because linkcmds lacks proper KEEP() directives. See #2572. # The following two lines enable compiling and linking on per element. -# CFLAGS_OPTIMIZE_V += -ffunction-sections -fdata-sections -# LDFLAGS = -Wl,--gc-sections +CFLAGS_OPTIMIZE_V += -ffunction-sections -fdata-sections +LDFLAGS = -Wl,--gc-sections -- cgit v1.2.3