[rtems commit] powerpc/gen83xx: Add per-section compilation and linking support.
Joel Sherrill
joel at rtems.org
Mon Jan 25 00:16:59 UTC 2016
Module: rtems
Branch: master
Commit: 0aeeca4296dbff4f510ea5a090a6f8faa9590fe0
Changeset: http://git.rtems.org/rtems/commit/?id=0aeeca4296dbff4f510ea5a090a6f8faa9590fe0
Author: Ralph Holmes <ralph at ybden.com>
Date: Sun Jan 24 23:43:58 2016 +0000
powerpc/gen83xx: Add per-section compilation and linking support.
For the br_uid BSP variant:
The size of the sample executables without this option were:
text data bss dec hex filename
132014 2292 268235668 268369974 fff0036 base_sp.exe
140834 2172 268226948 268369954 fff0022 hello.exe
90406 1900 268277648 268369954 fff0022 minimum.exe
648910 6274 267714788 268369972 fff0034 fileio.exe
156786 2388 268210784 268369958 fff0026 nsecs.exe
194014 2676 268173288 268369978 fff003a paranoia.exe
135310 2300 268232372 268369982 fff003e ticker.exe
134778 2316 268232876 268369970 fff0032 unlimited.exe
931040 149466 267289440 268369946 fff001a cxx_iostream.exe
244738 9744 268115480 268369962 fff002a cdtest.exe
243198 2796 268123980 268369974 fff0036 capture.exe
The size of the sample executables with this option enabled were:
text data bss dec hex filename
116842 2268 268250800 268369910 ffefff6 base_sp.exe
123466 2116 268244312 268369894 ffeffe6 hello.exe
53946 1632 268314300 268369878 ffeffd6 minimum.exe
621818 6246 267741832 268369896 ffeffe8 fileio.exe
142306 2364 268225244 268369914 ffefffa nsecs.exe
178246 2652 268188984 268369882 ffeffda paranoia.exe
120394 2276 268247216 268369886 ffeffde ticker.exe
118082 2276 268249536 268369894 ffeffe6 unlimited.exe
590946 51722 267727228 268369896 ffeffe8 cxx_iostream.exe
230498 8416 268130996 268369910 ffefff6 cdtest.exe
225250 2740 268141896 268369886 ffeffde capture.exe
For the hsc_cm01 BSP variant:
The size of the sample executables without this option were:
text data bss dec hex filename
132584 2292 268235092 268369968 fff0030 base_sp.exe
141404 2172 268226372 268369948 fff001c hello.exe
90944 1900 268277104 268369948 fff001c minimum.exe
649448 6274 267714244 268369966 fff002e fileio.exe
157324 2388 268210240 268369952 fff0020 nsecs.exe
194552 2676 268172744 268369972 fff0034 paranoia.exe
135848 2300 268231828 268369976 fff0038 ticker.exe
135348 2316 268232300 268369964 fff002c unlimited.exe
931608 149466 267288864 268369938 fff0012 cxx_iostream.exe
245308 9744 268114904 268369956 fff0024 cdtest.exe
243736 2796 268123436 268369968 fff0030 capture.exe
The size of the sample executables with this option enabled were:
text data bss dec hex filename
117380 2268 268250256 268369904 ffefff0 base_sp.exe
124004 2116 268243768 268369888 ffeffe0 hello.exe
54452 1632 268313788 268369872 ffeffd0 minimum.exe
622356 6246 267741288 268369890 ffeffe2 fileio.exe
142844 2364 268224700 268369908 ffefff4 nsecs.exe
178784 2652 268188440 268369876 ffeffd4 paranoia.exe
120932 2276 268246672 268369880 ffeffd8 ticker.exe
118620 2276 268248992 268369888 ffeffe0 unlimited.exe
591484 51722 267726684 268369890 ffeffe2 cxx_iostream.exe
231036 8416 268130452 268369904 ffefff0 cdtest.exe
225788 2740 268141352 268369880 ffeffd8 capture.exe
For the mpc8309som BSP variant:
The size of the sample executables without this option were:
text data bss dec hex filename
132038 2292 268235572 268369902 ffeffee base_sp.exe
140858 2172 268226852 268369882 ffeffda hello.exe
90398 1900 268277584 268369882 ffeffda minimum.exe
648902 6274 267714724 268369900 ffeffec fileio.exe
156778 2388 268210720 268369886 ffeffde nsecs.exe
194006 2676 268173192 268369874 ffeffd2 paranoia.exe
135302 2300 268232276 268369878 ffeffd6 ticker.exe
134802 2316 268232780 268369898 ffeffea unlimited.exe
931032 149466 267289376 268369874 ffeffd2 cxx_iostream.exe
244762 9744 268115384 268369890 ffeffe2 cdtest.exe
243190 2796 268123916 268369902 ffeffee capture.exe
The size of the sample executables with this option enabled were:
text data bss dec hex filename
116898 2268 268250704 268369870 ffeffce base_sp.exe
123522 2116 268244248 268369886 ffeffde hello.exe
54002 1632 268314236 268369870 ffeffce minimum.exe
621874 6246 267741768 268369888 ffeffe0 fileio.exe
142362 2364 268225148 268369874 ffeffd2 nsecs.exe
178302 2652 268188920 268369874 ffeffd2 paranoia.exe
120450 2276 268247152 268369878 ffeffd6 ticker.exe
118138 2276 268249472 268369886 ffeffde unlimited.exe
591002 51722 267727132 268369856 ffeffc0 cxx_iostream.exe
230554 8416 268130900 268369870 ffeffce cdtest.exe
225338 2740 268141800 268369878 ffeffd6 capture.exe
For the mpc8313erdb BSP variant:
The size of the sample executables without this option were:
text data bss dec hex filename
131783 2292 134018100 134152175 7feffef base_sp.exe
140603 2172 134009380 134152155 7feffdb hello.exe
90175 1900 134060080 134152155 7feffdb minimum.exe
648679 6274 133497220 134152173 7feffed fileio.exe
156523 2388 133993248 134152159 7feffdf nsecs.exe
193783 2676 133955688 134152147 7feffd3 paranoia.exe
135079 2300 134014772 134152151 7feffd7 ticker.exe
134547 2316 134015308 134152171 7feffeb unlimited.exe
930808 149466 133071872 134152146 7feffd2 cxx_iostream.exe
244507 9744 133897912 134152163 7feffe3 cdtest.exe
242967 2796 133906412 134152175 7feffef capture.exe
The size of the sample executables with this option enabled were:
text data bss dec hex filename
116675 2268 134033200 134152143 7feffcf base_sp.exe
123299 2116 134026744 134152159 7feffdf hello.exe
53747 1632 134096764 134152143 7feffcf minimum.exe
621651 6246 133524264 134152161 7feffe1 fileio.exe
142139 2364 134007644 134152147 7feffd3 nsecs.exe
178079 2652 133971416 134152147 7feffd3 paranoia.exe
120227 2276 134029648 134152151 7feffd7 ticker.exe
117915 2276 134031968 134152159 7feffdf unlimited.exe
590779 51722 133509628 134152129 7feffc1 cxx_iostream.exe
230331 8416 133913396 134152143 7feffcf cdtest.exe
225083 2740 133924328 134152151 7feffd7 capture.exe
For the mpc8349eamds BSP variant:
The size of the sample executables without this option were:
text data bss dec hex filename
132452 2292 268235220 268369964 fff002c base_sp.exe
141272 2172 268226500 268369944 fff0018 hello.exe
90812 1900 268277232 268369944 fff0018 minimum.exe
649316 6274 267714372 268369962 fff002a fileio.exe
157192 2388 268210368 268369948 fff001c nsecs.exe
194420 2676 268172840 268369936 fff0010 paranoia.exe
135716 2300 268231924 268369940 fff0014 ticker.exe
135216 2316 268232428 268369960 fff0028 unlimited.exe
931444 149466 267289024 268369934 fff000e cxx_iostream.exe
245176 9744 268115032 268369952 fff0020 cdtest.exe
243604 2796 268123564 268369964 fff002c capture.exe
The size of the sample executables with this option enabled were:
text data bss dec hex filename
117248 2268 268250352 268369868 ffeffcc base_sp.exe
123872 2116 268243896 268369884 ffeffdc hello.exe
54352 1632 268313884 268369868 ffeffcc minimum.exe
622224 6246 267741416 268369886 ffeffde fileio.exe
142712 2364 268224796 268369872 ffeffd0 nsecs.exe
178652 2652 268188568 268369872 ffeffd0 paranoia.exe
120800 2276 268246800 268369876 ffeffd4 ticker.exe
118488 2276 268249120 268369884 ffeffdc unlimited.exe
591352 51722 267726780 268369854 ffeffbe cxx_iostream.exe
230904 8416 268130548 268369868 ffeffcc cdtest.exe
225688 2740 268141448 268369876 ffeffd4 capture.exe
---
c/src/lib/libbsp/powerpc/gen83xx/make/custom/gen83xx.inc | 3 +++
1 file changed, 3 insertions(+)
diff --git a/c/src/lib/libbsp/powerpc/gen83xx/make/custom/gen83xx.inc b/c/src/lib/libbsp/powerpc/gen83xx/make/custom/gen83xx.inc
index 7293ec0..023d6ef 100644
--- a/c/src/lib/libbsp/powerpc/gen83xx/make/custom/gen83xx.inc
+++ b/c/src/lib/libbsp/powerpc/gen83xx/make/custom/gen83xx.inc
@@ -18,3 +18,6 @@ CPU_CFLAGS = -mcpu=603e -meabi -msdata=sysv -fno-common -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
More information about the vc
mailing list