From 1947449a5d6f01a44ccc61eda3e78ef7e06da952 Mon Sep 17 00:00:00 2001 From: Shashvat Jain Date: Mon, 26 Nov 2018 01:47:54 +0530 Subject: m68k/uC5282: Add per-section compilation and linking (GCI 2018) The size of the sample executables without this option were: text data bss dec hex filename 120160 1520 14048 135728 21230 ./base_sp.exe 205904 2112 16976 224992 36ee0 ./capture.exe 257216 2912 15040 275168 432e0 ./cdtest.exe 867616 21888 21776 911280 de7b0 ./cxx_iostream.exe 574528 4640 26432 605600 93da0 ./fileio.exe 138256 1520 14192 153968 25970 ./hello.exe 268304 6032 20816 295152 480f0 ./loopback.exe 102592 1376 10848 114816 1c080 ./minimum.exe 137072 1632 14160 152864 25520 ./nsecs.exe 213328 1920 14768 230016 38280 ./paranoia.exe 439440 12048 43600 495088 78df0 ./pppd.exe 122896 1536 14080 138512 21d10 ./ticker.exe 123296 1488 17952 142736 22d90 ./unlimited.exe The size of the sample executables with this option were: text data bss dec hex filename 58752 1104 9968 69824 110c0 ./base_sp.exe 180560 2096 14864 197520 30390 ./capture.exe 165328 2080 10992 178400 2b8e0 ./cdtest.exe 162288 2144 11152 175584 2ade0 ./cxx_iostream.exe 545008 4624 24032 573664 8c0e0 ./fileio.exe 85440 1456 10112 97008 17af0 ./hello.exe 216528 5904 16688 239120 3a610 ./loopback.exe 34944 960 6768 42672 a6b0 ./minimum.exe 82064 1584 10096 93744 16e30 ./nsecs.exe 163808 1872 10752 176432 2b130 ./paranoia.exe 388960 11904 40768 441632 6bd20 ./pppd.exe 61856 1136 10000 72992 11d20 ./ticker.exe 61888 1072 13872 76832 12c20 ./unlimited.exe Closes #2575 --- bsps/m68k/uC5282/config/uC5282.cfg | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'bsps') diff --git a/bsps/m68k/uC5282/config/uC5282.cfg b/bsps/m68k/uC5282/config/uC5282.cfg index b8e3f52667..051d5a4c1d 100644 --- a/bsps/m68k/uC5282/config/uC5282.cfg +++ b/bsps/m68k/uC5282/config/uC5282.cfg @@ -7,7 +7,7 @@ RTEMS_CPU = m68k include $(RTEMS_ROOT)/make/custom/default.cfg # This contains the compiler options necessary to select the CPU model -# and (hopefully) optimize for it. +# and (hopefully) optimize for it. CPU_CFLAGS = -mcpu=5282 # optimize flag: typically -O2 @@ -15,8 +15,8 @@ CFLAGS_OPTIMIZE_V = -O2 -g # FIXME: Disabled because linkcmds lacks proper KEEP() directives. See #2575. # 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 define bsp-post-link $(default-bsp-post-link) -- cgit v1.2.3