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features/Makefile: Make 'make cfiles' default to generating all C files

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This makes it easier to rebuild all GDB's generated target description
C files.

It also clarifies the comments a bit.  One might think we need a GDB
configured for the particular arquitecture (--target=foo).  But a
build that includes support for the target description is sufficient.
(GDB rejects target descriptions that explicitly specify the
architecture, with an <architecture> element, if the architecture is
unknown.)

Tested that "make clean-cfiles" deletes all .c files under
src/gdb/features/, and that "make cfiles" generates them all without
error, and that diffing the newly generated C files against master
comes out an empty diff.

gdb/
2014-10-01  Pedro Alves  <palves@redhat.com>

	* features/Makefile: Update comments.
	(XMLTOC): List all xml files we build C files from.
	(clean-cfiles): New rule.
This commit is contained in:
Pedro Alves 2014-10-01 11:18:22 +01:00
parent d63f2f8402
commit db74e4ba01
2 changed files with 124 additions and 4 deletions
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6
gdb/ChangeLog
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@ -1,3 +1,9 @@
2014-10-01 Pedro Alves <palves@redhat.com>
* features/Makefile: Update comments.
(XMLTOC): List all xml files we build C files from.
(clean-cfiles): New rule.
2014-10-01 Pedro Alves <palves@redhat.com>
* features/i386/amd64-avx512-linux.c: Regenerate.

122
gdb/features/Makefile
View file

@ -25,9 +25,22 @@
# GDB repository.
# It can also update the C files in the features directory from their
# XML master copies. This relies on a GDB linked with expat and
# configured for the correct architecture, so the files are again kept
# in the GDB repository. To generate C files:
# XML master copies. This relies on a GDB linked with expat and that
# is configured to include support for the architecture, so the files
# are kept in the GDB repository.
#
# By default we'll generate all C files, and you must point make at a
# GDB that has been configured with --enable-targets=all:
#
# make GDB=/path/to/gdb cfiles
#
# To regenerate all C files from scratch:
#
# make GDB=/path/to/gdb clean-cfiles cfiles
#
# To generate specific C files, you can override the XMLTOC make
# variable:
#
# make GDB=/path/to/gdb XMLTOC="xml files" cfiles
WHICH = aarch64 \
@ -118,7 +131,103 @@ XSLTPROC = xsltproc
outdir = ../regformats
OUTPUTS = $(patsubst %,$(outdir)/%.dat,$(WHICH))
XMLTOC =
# The set of xml files we'll generate .c files for GDB from. By
# default we'll build all .c files, which requires an
# --enable-targets=all GDB. You can override this by passing XMLTOC
# to make on the command line.
XMLTOC = \
aarch64.xml \
arm-with-iwmmxt.xml \
arm-with-m-fpa-layout.xml \
arm-with-m-vfp-d16.xml \
arm-with-m.xml \
arm-with-neon.xml \
arm-with-vfpv2.xml \
arm-with-vfpv3.xml \
i386/amd64-avx-linux.xml \
i386/amd64-avx.xml \
i386/amd64-avx512-linux.xml \
i386/amd64-avx512.xml \
i386/amd64-linux.xml \
i386/amd64-mpx-linux.xml \
i386/amd64-mpx.xml \
i386/amd64.xml \
i386/i386-avx-linux.xml \
i386/i386-avx.xml \
i386/i386-avx512-linux.xml \
i386/i386-avx512.xml \
i386/i386-linux.xml \
i386/i386-mmx-linux.xml \
i386/i386-mmx.xml \
i386/i386-mpx-linux.xml \
i386/i386-mpx.xml \
i386/i386.xml \
i386/x32-avx-linux.xml \
i386/x32-avx.xml \
i386/x32-avx512-linux.xml \
i386/x32-avx512.xml \
i386/x32-linux.xml \
i386/x32.xml \
microblaze-with-stack-protect.xml \
microblaze.xml \
mips-dsp-linux.xml \
mips-linux.xml \
mips64-dsp-linux.xml \
mips64-linux.xml \
nios2-linux.xml \
nios2.xml \
rs6000/powerpc-32.xml \
rs6000/powerpc-32l.xml \
rs6000/powerpc-403.xml \
rs6000/powerpc-403gc.xml \
rs6000/powerpc-405.xml \
rs6000/powerpc-505.xml \
rs6000/powerpc-601.xml \
rs6000/powerpc-602.xml \
rs6000/powerpc-603.xml \
rs6000/powerpc-604.xml \
rs6000/powerpc-64.xml \
rs6000/powerpc-64l.xml \
rs6000/powerpc-7400.xml \
rs6000/powerpc-750.xml \
rs6000/powerpc-860.xml \
rs6000/powerpc-altivec32.xml \
rs6000/powerpc-altivec32l.xml \
rs6000/powerpc-altivec64.xml \
rs6000/powerpc-altivec64l.xml \
rs6000/powerpc-cell32l.xml \
rs6000/powerpc-cell64l.xml \
rs6000/powerpc-e500.xml \
rs6000/powerpc-e500l.xml \
rs6000/powerpc-isa205-32l.xml \
rs6000/powerpc-isa205-64l.xml \
rs6000/powerpc-isa205-altivec32l.xml \
rs6000/powerpc-isa205-altivec64l.xml \
rs6000/powerpc-isa205-vsx32l.xml \
rs6000/powerpc-isa205-vsx64l.xml \
rs6000/powerpc-vsx32.xml \
rs6000/powerpc-vsx32l.xml \
rs6000/powerpc-vsx64.xml \
rs6000/powerpc-vsx64l.xml \
rs6000/rs6000.xml \
s390-linux32.xml \
s390-linux32v1.xml \
s390-linux32v2.xml \
s390-linux64.xml \
s390-linux64v1.xml \
s390-linux64v2.xml \
s390-te-linux64.xml \
s390x-linux64.xml \
s390x-linux64v1.xml \
s390x-linux64v2.xml \
s390x-te-linux64.xml \
tic6x-c62x-linux.xml \
tic6x-c62x.xml \
tic6x-c64x-linux.xml \
tic6x-c64x.xml \
tic6x-c64xp-linux.xml \
tic6x-c64xp.xml
CFILES = $(patsubst %.xml,%.c,$(XMLTOC))
GDB = false
@ -185,5 +294,10 @@ $(outdir)/i386/x32-avx512.dat: i386/x32-core.xml i386/64bit-avx.xml \
$(outdir)/i386/x32-avx512-linux.dat: i386/x32-core.xml i386/64bit-avx.xml \
i386/64bit-mpx.xml i386/64bit-avx512.xml i386/64bit-linux.xml
# 'all' doesn't build the C files, so don't delete them in 'clean'
# either.
clean-cfiles:
rm -f $(CFILES)
clean:
rm -f $(OUTPUTS)