Add support for 2-pass link
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2890 42af7a65-404d-4744-a932-0658087f49c3
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patacongo
parent
3e4fbc7c76
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2ffe28d6e5
configs/ea3131
@ -35,20 +35,37 @@
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-include $(TOPDIR)/Make.defs
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all: liblocked.r
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ifeq ($(WINTOOL),y)
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# Windows-native toolchains
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PASS1_LIBPATHS = ${shell for path in $(LINKLIBS); do dir=`dirname $(TOPDIR)/$$path`;echo "-L\"`cygpath -w $$dir`\"";done}
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PASS1_LDSCRIPT = -T "${shell cygpath -w $(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/locked/ld-locked.inc}"
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else
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# Linux/Cygwin-native toolchain
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PASS1_LIBPATHS = $(addprefix -L$(TOPDIR)/,$(dir $(LINKLIBS)))
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PASS1_LDSCRIPT = -T$(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/locked/ld-locked.inc
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endif
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ld-locked.script:
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./mklocked.sh "$(TOPDIR)"
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PASS1_LDFLAGS = -r $(PASS1_LDSCRIPT)
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PASS1_LDLIBS = $(patsubst lib%,-l%,$(basename $(notdir $(LINKLIBS))))
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PASS1_LIBGCC = "${shell $(CC) -print-libgcc-file-name}"
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liblocked.r: ld-locked.script $(OBJS)
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@LD -o $@ --start-group $(LDLIBS) --end-group -u os_start $(LIBGCC)
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all: locked.r
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ld-locked.inc: mklocked.sh $(TOPDIR)/.config
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@echo "MK: ld-locked.inc"
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@./mklocked.sh "$(TOPDIR)"
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locked.r: ld-locked.inc $(OBJS)
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@echo "LD: locked.r"
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@$(LD) -o $@ $(PASS1_LDFLAGS) $(PASS1_LIBPATHS) --start-group $(PASS1_LDLIBS) --end-group -u os_start $(PASS1_LIBGCC)
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.depend:
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depend: .depend
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clean:
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@rm -f liblocked.r *~ .*.swp
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@rm -f locked.r *~ .*.swp
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distclean: clean
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@rm -f ld-locked.script
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@rm -f ld-locked.inc
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44
configs/ea3131/locked/ld-locked.script
Normal file
44
configs/ea3131/locked/ld-locked.script
Normal file
@ -0,0 +1,44 @@
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/****************************************************************************
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* configs/ea3131/pgnsh/ld-locked.script
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*
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* Copyright (C) 2010 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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INCLUDE ld-locked.inc
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OUTPUT_ARCH(arm)
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SECTIONS
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{
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.locked : {
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*(.vectors)
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*(.text .text.*)
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}
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}
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@ -76,62 +76,61 @@ function checkconfig () {
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# Interrupt Handlers
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############################################################################
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#
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# All interrupt handlers must be forced to lie in the locked
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# .text region
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# All interrupt handlers must be forced to lie in the locked .text region
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#
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# These are the vector entry points (only one is really needed
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# since they are all in the same file). These should drag in all
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# of the vector dispatching logic.
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# These are the vector entry points (only one is really needed since they
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# are all in the same file). These should drag in all of the vector
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# dispatching logic.
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#
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rm -f ld-locked.script
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echo "EXTERN(up_vectorswi)" >>ld-locked.script
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echo "EXTERN(up_vectordata)" >>ld-locked.script
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echo "EXTERN(up_vectorprefetch)" >>ld-locked.script
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echo "EXTERN(up_vectorundefinsn)" >>ld-locked.script
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echo "EXTERN(up_vectorfiq)" >>ld-locked.script
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echo "EXTERN(up_vectorirq)" >>ld-locked.script
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rm -f ld-locked.inc
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echo "EXTERN(up_vectorswi)" >>ld-locked.inc
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echo "EXTERN(up_vectordata)" >>ld-locked.inc
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echo "EXTERN(up_vectorprefetch)" >>ld-locked.inc
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echo "EXTERN(up_vectorundefinsn)" >>ld-locked.inc
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echo "EXTERN(up_vectorfiq)" >>ld-locked.inc
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echo "EXTERN(up_vectorirq)" >>ld-locked.inc
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#
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# These are the initialization entry points of all device drivers
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# that handle interrupts. We really want to include as little as
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# possible -- ideally just the interrupt handler itself, but that
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# is not usually possible.
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# These are the initialization entry points of all device drivers that
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# handle interrupts. We really want to include as little as possible --
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# ideally just the interrupt handler itself, but that is not usually
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# possible.
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#
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# Of course, this list must be extended as interrupt handlers are
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# added.
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# Of course, this list must be extended as interrupt handlers are added.
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echo "EXTERN(up_timerinit)" >>ld-locked.script
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echo "EXTERN(up_timerinit)" >>ld-locked.inc
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answer=$(checkconfig CONFIG_LPC313X_UART)
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if [ $answer = y ]; then
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echo "EXTERN(up_earlyserialinit)" >>ld-locked.script
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echo "EXTERN(up_earlyserialinit)" >>ld-locked.inc
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fi
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# up_i2cinitialize -- Not conditioned on anything
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answer=$(checkconfig CONFIG_USBDEV)
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if [ $answer = y ]; then
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echo "EXTERN(up_usbinitialize)" >>ld-locked.script
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echo "EXTERN(up_usbinitialize)" >>ld-locked.inc
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fi
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############################################################################
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# Idle Loop
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############################################################################
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#
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# The IDLE loop must be forced to lie in the locked .text region
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# NOTE that most of the IDLE loop is is os_start.c, but we don't
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# we want to handle that differently so that it does not draw in
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# a lot of things that we do not need.
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# The IDLE loop must be forced to lie in the locked .text region. NOTE that
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# most of the IDLE loop is is os_start.c, but we don't we want to handle
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# that differently so that it does not draw in a lot of things that we do
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# not need in the locked region. However, we do need to bring in all of
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# the things called by os_start up to the point where the page fill worker
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# thread is started.
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echo "EXTERN(up_idle)" >>ld-locked.script
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echo "EXTERN(up_idle)" >>ld-locked.inc
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############################################################################
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# PG Fill Worker Thread
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############################################################################
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#
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# All of the page fill worker thread must be in the locked .text
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# region.
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# All of the page fill worker thread must be in the locked .text region.
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echo "EXTERN(pg_worker)" >>ld-locked.script
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echo "EXTERN(pg_worker)" >>ld-locked.inc
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@ -198,6 +198,13 @@ CONFIG_MOTOROLA_SREC=n
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CONFIG_RAW_BINARY=y
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CONFIG_HAVE_LIBM=n
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#
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# Setup for a two-pass build
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#
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CONFIG_BUILD_2PASS=y
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CONFIG_PASS1_DIR=configs/ea3131/locked
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CONFIG_PASS1_LIB=locked.r
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#
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# General OS setup
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#
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@ -37,20 +37,37 @@
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* LPC313x boot ROM expects the boot image be compiled with entry point at
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* 0x1102:9000. A 128b header will appear at this address (applied by
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* lpc313xImgCreator) and the executable code must begin at 0x1102:9080.
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*
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* The .text vitual address space begins at the same location as the physical
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* address space: 0x1102 8000. The virtual space is broken up into three
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* regions:
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*
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* locked - Pages locked in memory. Start: 0x1102 8000 Size: 36Kb
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* paged - Pages in nonvolatile store. Start: 0x1103 1000 Size: 384Kb
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* data - .data/.bss/heap. Start: 0x1109 1000 Size: 44Kb
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*/
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MEMORY
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{
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isram (rwx) : ORIGIN = 0x11029080, LENGTH = 192K - 4224
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locked (rx) : ORIGIN = 0x11029080, LENGTH = 36K - 4224
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paged (rx) : ORIGIN = 0x11031000, LENGTH = 384K
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data (rw) : ORIGIN = 0x11091000, LENGTH = 44K
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}
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OUTPUT_ARCH(arm)
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ENTRY(_stext)
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SECTIONS
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{
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.text : {
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_stext = ABSOLUTE(.);
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.locked : {
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_slocked = ABSOLUTE(.);
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*(.vectors)
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*(.locked)
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_elocked = ABSOLUTE(.);
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} >locked
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_eronly = ABSOLUTE(.); /* See below */
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.paged : {
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_spaged = ABSOLUTE(.);
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*(.text .text.*)
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*(.fixup)
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*(.gnu.warning)
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@ -61,8 +78,8 @@ SECTIONS
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*(.got)
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*(.gcc_except_table)
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*(.gnu.linkonce.r.*)
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_etext = ABSOLUTE(.);
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} > isram
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_epaged = ABSOLUTE(.);
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} > paged
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_eronly = ABSOLUTE(.);
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@ -72,17 +89,17 @@ SECTIONS
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*(.gnu.linkonce.d.*)
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CONSTRUCTORS
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_edata = ABSOLUTE(.);
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} > isram
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} > data AT > locked
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.ARM.extab : {
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*(.ARM.extab*)
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} >isram
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} >data
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.ARM.exidx : {
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__exidx_start = ABSOLUTE(.);
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*(.ARM.exidx*)
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__exidx_end = ABSOLUTE(.);
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} > isram
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} > data
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.bss : {
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_sbss = ABSOLUTE(.);
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@ -90,7 +107,7 @@ SECTIONS
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*(.gnu.linkonce.b.*)
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*(COMMON)
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_ebss = ABSOLUTE(.);
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} > isram
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} > data
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/* Stabs debugging sections. */
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.stab 0 : { *(.stab) }
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.stabstr 0 : { *(.stabstr) }
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