libpayload: Implement gcc wrappers for libpayload
libpayload uses a ton of flags and other scary gcc and ld options. These wrappers hide most of that from the user, so that using libpayload is as easy as lpgcc -o hello hello.c Signed-off-by: Jordan Crouse <jordan.crouse@amd.com> Acked-by: Uwe Hermann <uwe@hermann-uwe.de> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3226 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Jordan Crouse
parent
c5a78ac56a
commit
c3e728fbdf
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@ -29,6 +29,7 @@
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BASE_DIR=$(shell pwd)
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KCONFIG_DIR=util/kconfig
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DESTDIR=/opt
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ifeq (.config, $(wildcard .config))
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dot-config := 1
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@ -49,9 +50,10 @@ all: .config
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@echo "Configuration completed - type make to build libpayload"
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else
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-include .config
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endif
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PLATFORM-$(CONFIG_TARGET_I386) += i386/Makefile.inc
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ARCHDIR-$(CONFIG_TARGET_I386) := i386
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PLATFORM-y += $(ARCHDIR-y)/Makefile.inc
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TARGETS-y :=
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BUILD-y := crypto/Makefile.inc libc/Makefile.inc drivers/Makefile.inc
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@ -64,8 +66,14 @@ INCLUDES += -I$(shell $(CC) -print-search-dirs | head -n 1 | cut -d' ' -f2)inclu
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# TODO: Re-add -Os as soon as we find out why it caused problems.
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CFLAGS := -Wall -Werror -fno-stack-protector -nostdinc $(INCLUDES)
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libpayload.a: $(TARGETS-y)
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$(AR) rc $@ $(TARGETS-y)
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lib: lib/libpayload.a lib/$(ARCHDIR-y)/head.o
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lib/libpayload.a: $(TARGETS-y)
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@ $(AR) rc $@ $(TARGETS-y)
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lib/$(ARCHDIR-y)/head.o: $(ARCHDIR-y)/head.o
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@ mkdir -p lib/$(ARCHDIR-y)
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@ cp $< $@
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%.o: %.c
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$(CC) -m32 $(CFLAGS) -c -o $@ $<
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@ -73,14 +81,25 @@ libpayload.a: $(TARGETS-y)
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%.o: %.S
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$(AS) --32 -o $@ $<
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install: lib
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install -m 755 -d $(DESTDIR)/libpayload/lib
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cp -r lib/* $(DESTDIR)/libpayload/lib/
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install -m 755 -d $(DESTDIR)/libpayload/include
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cp -r include/* $(DESTDIR)/libpayload/include/
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install -m 755 -d $(DESTDIR)/libpayload/bin
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install -m 755 bin/lpgcc $(DESTDIR)/libpayload/bin
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install -m 755 bin/lpas $(DESTDIR)/libpayload/bin
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install -m 644 bin/lp.functions $(DESTDIR)/libpayload/bin
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clean:
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@ rm -f $(TARGETS-y)
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@ rm -f libpayload.a
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@ rm -f lib/libpayload.a lib/$(ARCHDIR-y)/head.o
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distclean: clean
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@ make -C $(KCONFIG_DIR) clean
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@ rm -f $(KCONFIG_DIR)/lxdialog/lxdialog
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@ rm -f .config .kconfig.d include/autoconf.h
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endif
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ifeq ($(config-targets),1)
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@ -0,0 +1,60 @@
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## This file is part of the libpayload project.
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##
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## Copyright (C) 2008 Advanced Micro Devices, Inc.
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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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## 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 the
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## documentation and/or other materials provided with the distribution.
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## 3. The name of the author may not be used to endorse or promote products
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## derived from this software without specific prior written permission.
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##
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## THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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## ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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## IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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## ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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## FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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## DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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## OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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## HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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## LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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## OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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## SUCH DAMAGE.
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# Common functions used by the libpayload wrappers
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error() {
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echo "Error: $1"
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exit 1
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}
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warn() {
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echo "Warning: $1"
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}
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# If the user didn't specify LIBPAYLOAD_PREFIX, then preload it
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# with the default prefix value
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if [ -z "$LIBPAYLOAD_PREFIX" ]; then
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LIBPAYLOAD_PREFIX=$DEFAULT_PREFIX/libpayload
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fi
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# If we're lucky, then everything was installed correctly, and the
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# library is locatd in the same prefix as ourselves. If not, then
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# use the value of LIBPAYLOAD_PREFIX
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if [ -f $BASE/../lib/libpayload.a ]; then
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_LIBDIR=$BASE/../lib
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else
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_LIBDIR=$LIBPAYLOAD_PREFIX/lib
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fi
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if [ -d $BASE/../include/ ]; then
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_INCDIR=$BASE/../include
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else
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_INCDIR=$LIBPAYLOAD_PREFIX/include
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fi
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@ -0,0 +1,72 @@
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#!/bin/sh
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## This file is part of the libpayload project.
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##
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## Copyright (C) 2008 Advanced Micro Devices, Inc.
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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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## 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 the
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## documentation and/or other materials provided with the distribution.
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## 3. The name of the author may not be used to endorse or promote products
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## derived from this software without specific prior written permission.
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##
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## THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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## ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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## IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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## ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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## FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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## DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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## OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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## HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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## LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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## OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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## SUCH DAMAGE.
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# AS wrapper for libpayload
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DEFAULT_PREFIX=/opt
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DEFAULT_AS=as
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BASE=`dirname $0`
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# This will set the _LIBDIR and _INCDIR variables used below
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. $BASE/lp.functions
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DEBUGME=0
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# This variable will contain the command line that the user wants to
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# pass to gas
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CMDLINE=
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# Process various flags that would change our behavior
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while [ $# -gt 0 ]; do
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case $1 in
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--32)
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shift
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continue
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;;
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--64)
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error "Invalid option --64 - only 32 bit architectures are supported"
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;;
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-debug-wrapper)
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DEBUGME=1
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shift
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continue
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;;
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*)
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;;
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esac
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CMDLINE="$CMDLINE $1"
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shift
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done
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_ASFLAGS="--32 -I$_INCDIR"
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$DEFAULT_AS $_ASFLAGS $CMDLINE
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@ -0,0 +1,104 @@
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#!/bin/sh
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## This file is part of the libpayload project.
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##
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## Copyright (C) 2008 Advanced Micro Devices, Inc.
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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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## 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 the
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## documentation and/or other materials provided with the distribution.
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## 3. The name of the author may not be used to endorse or promote products
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## derived from this software without specific prior written permission.
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##
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## THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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## ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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## IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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## ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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## FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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## DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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## OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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## HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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## LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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## OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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## SUCH DAMAGE.
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# GCC wrapper for libpayload
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DEFAULT_PREFIX=/opt
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DEFAULT_CC=gcc
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BASE=`dirname $0`
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# This will set the _LIBDIR and _INCDIR variables used below
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. $BASE/lp.functions
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trygccoption() {
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$DEFAULT_CC $1 -S -xc /dev/null -o .$$.tmp > /dev/null
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rm -f .$$.tmp
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return $?
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}
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DEBUGME=0
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DOLINK=1
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# This variable will contain the command line that the user wants to
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# pass to gas
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CMDLINE=
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# Process various flags that would change our behavior
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while [ $# -gt 0 ]; do
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case $1 in
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-m32|-fno-stack-protector)
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shift
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continue
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;;
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-m64)
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error "Invalid option --64 - only 32 bit architectures are supported"
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;;
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-c)
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DOLINK=0
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;;
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-debug-wrapper)
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DEBUGME=1
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shift
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continue
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;;
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*)
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;;
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esac
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CMDLINE="$CMDLINE $1"
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shift
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done
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_CFLAGS="-m32 -nostdinc -nostdlib -I$_INCDIR"
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# Check for the -fno-stack-protector silliness
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trygccoption -fno-stack-protector
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[ $? -eq 0 ] && _CFLAGS="$_CFLAGS -fno-stack-protector"
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_CFLAGS="$_CFLAGS -I`$DEFAULT_CC -m32 -print-search-dirs | head -n 1 | cut -d' ' -f2`include"
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_LDFLAGS="-Wl,-T,$_LIBDIR/libpayload.ldscript -static"
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if [ $DOLINK -eq 0 ]; then
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if [ $DEBUGME -eq 1 ]; then
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echo "$DEFAULT_CC $_CFLAGS $CMDLINE"
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fi
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$DEFAULT_CC $_CFLAGS $CMDLINE
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else
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_LIBGCC=`$DEFAULT_CC -m32 -print-libgcc-file-name`
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if [ $DEBUGME -eq 1 ]; then
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echo "$DEFAULT_CC $_CFLAGS $_LDFLAGS $CMDLINE $_LIBDIR/i386/head.o $_LIBDIR/libpayload.a $_LIBGCC"
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fi
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$DEFAULT_CC $_CFLAGS $_LDFLAGS $CMDLINE $_LIBDIR/i386/head.o $_LIBDIR/libpayload.a $_LIBGCC
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fi
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@ -29,23 +29,17 @@
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# Sample libpayload Makefile.
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CC = gcc
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CROSS_CFLAGS = -m32
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CC := ../bin/lpgcc
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INCLUDES = -I../include
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INCLUDES += -I$(shell $(CC) $(CROSS_CFLAGS) -print-search-dirs | head -n 1 | cut -d' ' -f2)include
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LIBPAYLOAD = ../libpayload.a
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LIBGCC := $(shell $(CC) $(CROSS_CFLAGS) -print-libgcc-file-name)
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CFLAGS := -Wall -Werror -Os -fno-stack-protector -nostdinc $(INCLUDES)
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CFLAGS := -Wall -Werror -Os
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all: hello.elf
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hello.elf: hello.o
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ld -T ../libpayload.ldscript -o $@ hello.o ../i386/head.o $(LIBPAYLOAD) $(LIBGCC)
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$(CC) -o $@ hello.o
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hello.o: hello.c
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$(CC) $(CROSS_CFLAGS) $(CFLAGS) -c -o $@ $<
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$(CC) $(CFLAGS) -c -o $@ $<
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clean:
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rm -f hello.elf hello.o
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