diff options
| author | Joel Sherrill <joel@rtems.org> | 2016-03-10 12:31:37 -0600 |
|---|---|---|
| committer | Joel Sherrill <joel@rtems.org> | 2016-03-10 18:08:06 -0600 |
| commit | fa9c057f0fd058de8a4feb76095b952c0615b7ed (patch) | |
| tree | 3b1916de001ec6dd96767af017ce3649e2ebe8e3 | |
| parent | arm/lpc32xx: Add per-section compilation and linking suppo (diff) | |
| download | rtems-fa9c057f0fd058de8a4feb76095b952c0615b7ed.tar.bz2 | |
arm/raspberrypi: Add per-section compilation and linking suppo
updates #2577.
For the raspberrypi BSP variant without this option, sample executable
sizes were as follows:
text data bss dec hex filename
91516 1724 134080496 134173736 7ff5428 ticker.exe
57809 1480 134114460 134173749 7ff5435 minimum.exe
816524 2004 133355216 134173744 7ff5430 cxx_iostream.exe
561132 5808 133606812 134173752 7ff5438 fileio.exe
444724 12624 133716388 134173736 7ff5428 pppd.exe
193344 2360 133978052 134173756 7ff543c capture.exe
109682 1812 134062236 134173730 7ff5422 nsecs.exe
175408 2100 133996244 134173752 7ff5438 paranoia.exe
187108 1756 133984880 134173744 7ff5430 cdtest.exe
88548 1724 134083488 134173760 7ff5440 base_sp.exe
91432 1748 134080552 134173732 7ff5424 unlimited.exe
103652 1700 134068384 134173736 7ff5428 hello.exe
271116 6508 133896112 134173736 7ff5428 loopback.exe
For the raspberrypi BSP variant with this option, sample executable
sizes were as follows:
text data bss dec hex filename
85796 1700 134086236 134173732 7ff5424 ticker.exe
34428 1408 134137896 134173732 7ff5424 minimum.exe
508720 1972 133663044 134173736 7ff5428 cxx_iostream.exe
544516 5776 133623452 134173744 7ff5430 fileio.exe
409916 12452 133751380 134173748 7ff5434 pppd.exe
184020 2320 133987416 134173756 7ff543c capture.exe
104486 1788 134067476 134173750 7ff5436 nsecs.exe
168504 2068 134003164 134173736 7ff5428 paranoia.exe
178740 1732 133993272 134173744 7ff5430 cdtest.exe
81988 1692 134090068 134173748 7ff5434 base_sp.exe
82460 1716 134089568 134173744 7ff5430 unlimited.exe
94316 1636 134077800 134173752 7ff5438 hello.exe
249228 6388 133918144 134173760 7ff5440 loopback.exe
| -rw-r--r-- | c/src/lib/libbsp/arm/raspberrypi/make/custom/raspberrypi.inc | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/arm/raspberrypi/make/custom/raspberrypi.inc b/c/src/lib/libbsp/arm/raspberrypi/make/custom/raspberrypi.inc index 3b4fb50e58..a8b6f264c3 100644 --- a/c/src/lib/libbsp/arm/raspberrypi/make/custom/raspberrypi.inc +++ b/c/src/lib/libbsp/arm/raspberrypi/make/custom/raspberrypi.inc @@ -7,6 +7,9 @@ include $(RTEMS_ROOT)/make/custom/default.cfg RTEMS_CPU = arm CFLAGS_OPTIMIZE_V ?= -O2 -g +CFLAGS_OPTIMIZE_V += -ffunction-sections -fdata-sections + +LDFLAGS = -Wl,--gc-sections # This defines the operations performed on the linked executable. # is currently required. |