📄 loader.cdl
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# ====================================================================
#
# loader.cdl
#
# Dynamic loader configuration data
#
# ====================================================================
#####ECOSGPLCOPYRIGHTBEGIN####
## -------------------------------------------
## This file is part of eCos, the Embedded Configurable Operating System.
## Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
##
## eCos is free software; you can redistribute it and/or modify it under
## the terms of the GNU General Public License as published by the Free
## Software Foundation; either version 2 or (at your option) any later version.
##
## eCos is distributed in the hope that it will be useful, but WITHOUT ANY
## WARRANTY; without even the implied warranty of MERCHANTABILITY or
## FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
## for more details.
##
## You should have received a copy of the GNU General Public License along
## with eCos; if not, write to the Free Software Foundation, Inc.,
## 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
##
## As a special exception, if other files instantiate templates or use macros
## or inline functions from this file, or you compile this file and link it
## with other works to produce a work based on this file, this file does not
## by itself cause the resulting work to be covered by the GNU General Public
## License. However the source code for this file must still be made available
## in accordance with section (3) of the GNU General Public License.
##
## This exception does not invalidate any other reasons why a work based on
## this file might be covered by the GNU General Public License.
##
## Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
## at http://sources.redhat.com/ecos/ecos-license/
## -------------------------------------------
#####ECOSGPLCOPYRIGHTEND####
# ====================================================================
######DESCRIPTIONBEGIN####
#
# Author(s): nickg
# Contributors:
# Date: 2000-11-20
#
#####DESCRIPTIONEND####
#
# ====================================================================
cdl_package CYGPKG_LOADER {
display "Dynamic loader"
description "
This package provides support for dynamic code loading."
include_dir cyg/loader
compile loader.cxx dload.cxx
requires { CYGBLD_ISO_DLFCN_HEADER == "<cyg/loader/dlfcn.h>" }
implements CYGINT_ISO_DLFCN
# ====================================================================
cdl_component CYGPKG_LOADER_OPTIONS {
display "Common memory allocator package build options"
flavor none
no_define
description "
Package specific build options including control over
compiler flags used only in building this package,
and details of which tests are built."
cdl_option CYGPKG_LOADER_CFLAGS_ADD {
display "Additional compiler flags"
flavor data
no_define
default_value { "" }
description "
This option modifies the set of compiler flags for
building this package. These flags are used in addition
to the set of global flags."
}
cdl_option CYGPKG_LOADER_CFLAGS_REMOVE {
display "Suppressed compiler flags"
flavor data
no_define
default_value { "-O2 -fvtable-gc" }
description "
This option modifies the set of compiler flags for
building this package. These flags are removed from
the set of global flags if present."
}
cdl_option CYGPKG_LOADER_LDFLAGS_ADD {
display "Additional compiler flags"
flavor data
no_define
# default_value { "-L$(PREFIX)/lib -ldlforce" }
default_value { "" }
description "
This option modifies the set of compiler flags for
building this package. These flags are used in addition
to the set of global flags."
}
cdl_option CYGPKG_LOADER_LDFLAGS_REMOVE {
display "Suppressed compiler flags"
flavor data
no_define
default_value { "-Wl,-static -Wl,--gc-sections" }
description "
This option modifies the set of compiler flags for
building this package. These flags are removed from
the set of global flags if present."
}
}
# ====================================================================
# Dynamic library build options
cdl_option CYGBLD_LOADER_DYNAMIC_LD {
display "Build linker script for dynamic libraries"
flavor bool
default_value 1
description "Build a linker script for creating dynamic libraries"
make -priority 50 {
<PREFIX>/lib/dynamic.ld: <PACKAGE>/src/dynamic.ld
$(CC) -E -P -Wp,-MD,dynamic.tmp -DEXTRAS=1 -xc $(INCLUDE_PATH) $(CFLAGS) -o $@ $<
@echo $@ ": \\" > $(notdir $@).deps
@tail -n +2 dynamic.tmp >> $(notdir $@).deps
@echo >> $(notdir $@).deps
@rm dynamic.tmp
}
}
cdl_option CYGBLD_LOADER_CRTBEGINS {
display "Build special crtbeginS.o for dynamic libraries"
flavor bool
default_value 1
make -priority 110 {
<PREFIX>/lib/crtbeginS.o : <PACKAGE>/src/crtbeginS.c
$(CC) -Wp,-MD,crtbeginS.tmp $(INCLUDE_PATH) -g0 -Wall -finhibit-size-directive -fno-inline-functions -fno-exceptions -c -o $@ $<
@echo $@ ": \\" > $(notdir $@).deps
@tail -n +2 crtbeginS.tmp >> $(notdir $@).deps
@echo >> $(notdir $@).deps
@rm crtbeginS.tmp
}
}
cdl_option CYGBLD_LOADER_CRTENDS {
display "Build special crtendS.o for dynamic libraries"
flavor bool
default_value 1
make -priority 110 {
<PREFIX>/lib/crtendS.o : <PACKAGE>/src/crtendS.c
$(CC) -Wp,-MD,crtendS.tmp $(INCLUDE_PATH) -g0 -Wall -finhibit-size-directive -fno-inline-functions -fno-exceptions -c -o $@ $<
@echo $@ ": \\" > $(notdir $@).deps
@tail -n +2 crtendS.tmp >> $(notdir $@).deps
@echo >> $(notdir $@).deps
@rm crtendS.tmp
}
}
cdl_option CYGBLD_LOADER_DLFORCE_LIB {
display "Build dynamic load library"
flavor bool
default_value 1
description "Build a shared library that is to be linked with the executable
to force it to be built in such a way that it is suitable for
having some other shared library load against it. This is the
most portable way of achieving this."
make -priority 160 {
<PREFIX>/lib/libdlforce.so : <PACKAGE>/src/dlforce.c
$(CC) $(CFLAGS) -Wp,-MD,dlforce.tmp $(INCLUDE_PATH) -shared -c -o src/dlforce.o $<
$(CC) -g -nostdlib -L$(PREFIX)/lib -shared -Tdynamic.ld -o $@ $(PREFIX)/lib/crtbeginS.o src/dlforce.o $(PREFIX)/lib/crtendS.o
@echo $@ ": \\" > $(notdir $@).deps
@tail -n +2 dlforce.tmp >> $(notdir $@).deps
@echo >> $(notdir $@).deps
@rm dlforce.tmp
}
}
# ====================================================================
# Tests
cdl_option CYGBLD_LOADER_TEST_FOO_LIB {
display "Build a dynamic load library"
flavor bool
default_value 1
description "Build a shared library for testing."
make {
tests/libfoo.so : <PACKAGE>/tests/foo.c
mkdir -p tests
$(CC) $(CFLAGS) -Wp,-MD,foo.tmp $(INCLUDE_PATH) -shared -c -o tests/foo.o $<
$(CC) $(LDFLAGS) -L$(PREFIX)/lib -shared -Tdynamic.ld -o $@ $(PREFIX)/lib/crtbeginS.o tests/foo.o $(PREFIX)/lib/crtendS.o
@echo $@ ": \\" > $(notdir $@).deps
@tail -n +2 foo.tmp >> $(notdir $@).deps
@echo >> $(notdir $@).deps
@rm foo.tmp
cc -o entable $(REPOSITORY)/$(PACKAGE)/tests/entable.c
./entable libfoo <tests/libfoo.so >tests/libfoo.so.c
}
}
cdl_option CYGBLD_LOADER_TEST_LOADFOO {
display "Build library load test program"
flavor bool
default_value 1
description "Build a test program that will load the test shared library"
make {
<PREFIX>/tests/services/loader/current/tests/loadfoo : <PACKAGE>/tests/loadfoo.cxx
mkdir -p $(PREFIX)/tests/services/loader/current/tests
$(CC) $(CFLAGS) -Wp,-MD,loadfoo.tmp $(INCLUDE_PATH) -c -o tests/loadfoo.o $<
# $(CC) $(LDFLAGS) -L$(PREFIX)/lib -Ttarget.ld -ldlforce -o $@ $(PREFIX)/lib/crtbeginS.o tests/loadfoo.o $(PREFIX)/lib/crtendS.o
$(CC) $(LDFLAGS) -Wl,-E -L$(PREFIX)/lib -Ttarget.ld -ldlforce -o $@ tests/loadfoo.o
@echo $@ ": \\" > $(notdir $@).deps
@tail -n +2 loadfoo.tmp >> $(notdir $@).deps
@echo >> $(notdir $@).deps
@rm loadfoo.tmp
}
}
# cdl_option CYGPKG_LOADER_TESTS {
# display "Tests"
# flavor data
# no_define
# calculated { "tests/loadfoo" }
# description "
# This option specifies the set of tests for this package."
# }
}
# ====================================================================
# EOF loader.cdl
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