Here's a couple patches that fix this bug.
The first is a patch to linux-kbuild-2.6. It adds support for
including arch-specific files. Most of it is the addition of the
arch/ia64/scripts files.
The second is a patch to linux-2.6 that checks to see if there is an
arch-specific scripts dir. If so, it symlinks this dir back to the
linux-kbuild tree.
Bastian: Please let me know if this method is acceptable to you. If it
is not, what changes are required?
diff -urN linux-kbuild-2.6-2.6.18.orig/src/Makefile
linux-kbuild-2.6-2.6.18/src/Makefile
--- linux-kbuild-2.6-2.6.18.orig/src/Makefile 2006-11-22 03:05:12.000000000
-0700
+++ linux-kbuild-2.6-2.6.18/src/Makefile 2006-11-22 01:13:41.552095256
-0700
@@ -1,3 +1,6 @@
+ARCH = $(shell dpkg-architecture | grep ^DEB_BUILD_ARCH= | cut -d= -f2)
+-include arch-inc/$(ARCH).inc
+
PROGS = \
bin2c \
conmakehash \
diff -urN linux-kbuild-2.6-2.6.18.orig/src/Makefile.inc
linux-kbuild-2.6-2.6.18/src/Makefile.inc
--- linux-kbuild-2.6-2.6.18.orig/src/Makefile.inc 2006-11-22
03:05:12.000000000 -0700
+++ linux-kbuild-2.6-2.6.18/src/Makefile.inc 2006-11-22 02:46:16.179023153
-0700
@@ -26,8 +26,16 @@
echo " install -D '$(top_srcdir)/scripts/$(OUTDIR)/$$p'
'$(prefix)/scripts/$(OUTDIR)/$$p'"; \
install -D -m755 "$(top_srcdir)/scripts/$(OUTDIR)/$$p"
"$(prefix)/scripts/$(OUTDIR)/$$p"; \
done
+ @list='$(ARCHSCRIPTS)'; for p in $$list; do \
+ echo " install -D '$(top_srcdir)/arch/$(ARCH)/scripts/(OUTDIR)/$$p'
'$(prefix)/arch/$(ARCH)/scripts/$(OUTDIR)/$$p'"; \
+ install -D -m755 "$(top_srcdir)/arch/$(ARCH)/scripts/$(OUTDIR)/$$p"
"$(prefix)/arch/$(ARCH)/scripts/$(OUTDIR)/$$p"; \
+ done
@list='$(DATA)'; for p in $$list; do \
echo " install -D '$(top_srcdir)/scripts/$(OUTDIR)/$$p'
'$(prefix)/scripts/$(OUTDIR)/$$p'"; \
install -D -m644 "$(top_srcdir)/scripts/$(OUTDIR)/$$p"
"$(prefix)/scripts/$(OUTDIR)/$$p"; \
done
+ @list='$(ARCHDATA)'; for p in $$list; do \
+ echo " install -D '$(top_srcdir)/arch/$(ARCH)/scripts/$(OUTDIR)/$$p'
'$(prefix)/arch/$(ARCH)/scripts/$(OUTDIR)/$$p'"; \
+ install -D -m644 "$(top_srcdir)/arch/$(ARCH)/scripts/$(OUTDIR)/$$p"
"$(prefix)/arch/$(ARCH)/scripts/$(OUTDIR)/$$p"; \
+ done
diff -urN linux-kbuild-2.6-2.6.18.orig/src/arch/ia64/Makefile
linux-kbuild-2.6-2.6.18/src/arch/ia64/Makefile
--- linux-kbuild-2.6-2.6.18.orig/src/arch/ia64/Makefile 1969-12-31
17:00:00.000000000 -0700
+++ linux-kbuild-2.6-2.6.18/src/arch/ia64/Makefile 2006-11-22
01:03:31.074764575 -0700
@@ -0,0 +1,8 @@
+OUTDIR = arch/ia64
+VPATH = $(top_srcdir)/scripts/arch/ia64
+
+include ../../Makefile.inc
diff -urN linux-kbuild-2.6-2.6.18.orig/src/arch-inc/ia64.inc
linux-kbuild-2.6-2.6.18/src/arch-inc/ia64.inc
--- linux-kbuild-2.6-2.6.18.orig/src/arch-inc/ia64.inc 1969-12-31
17:00:00.000000000 -0700
+++ linux-kbuild-2.6-2.6.18/src/arch-inc/ia64.inc 2006-11-22
03:09:19.084101378 -0700
@@ -0,0 +1,12 @@
+ARCHSCRIPTS = \
+ check-gas \
+ toolchain-flags \
+ unwcheck.py
+
+ARCHDATA = \
+ check-gas-asm.S \
+ check-model.c \
+ check-segrel.S \
+ check-segrel.lds \
+ check-serialize.S \
+ check-text-align.S
diff -urN linux-kbuild-2.6-2.6.18.orig/arch/ia64/scripts/check-gas
linux-kbuild-2.6-2.6.18/arch/ia64/scripts/check-gas
--- linux-kbuild-2.6-2.6.18.orig/arch/ia64/scripts/check-gas 1969-12-31
17:00:00.000000000 -0700
+++ linux-kbuild-2.6-2.6.18/arch/ia64/scripts/check-gas 2006-09-19
21:42:06.000000000 -0600
@@ -0,0 +1,15 @@
+#!/bin/sh
+dir=$(dirname $0)
+CC=$1
+OBJDUMP=$2
+tmp=${TMPDIR:-/tmp}
+out=$tmp/out$$.o
+$CC -c $dir/check-gas-asm.S -o $out
+res=$($OBJDUMP -r --section .data $out | fgrep 00004 | tr -s ' ' |cut -f3 -d'
')
+rm -f $out
+if [ $res != ".text" ]; then
+ echo buggy
+else
+ echo good
+fi
+exit 0
diff -urN linux-kbuild-2.6-2.6.18.orig/arch/ia64/scripts/check-gas-asm.S
linux-kbuild-2.6-2.6.18/arch/ia64/scripts/check-gas-asm.S
--- linux-kbuild-2.6-2.6.18.orig/arch/ia64/scripts/check-gas-asm.S
1969-12-31 17:00:00.000000000 -0700
+++ linux-kbuild-2.6-2.6.18/arch/ia64/scripts/check-gas-asm.S 2006-09-19
21:42:06.000000000 -0600
@@ -0,0 +1,2 @@
+[1:] nop 0
+ .xdata4 ".data", 0, 1b-.
diff -urN linux-kbuild-2.6-2.6.18.orig/arch/ia64/scripts/check-model.c
linux-kbuild-2.6-2.6.18/arch/ia64/scripts/check-model.c
--- linux-kbuild-2.6-2.6.18.orig/arch/ia64/scripts/check-model.c
1969-12-31 17:00:00.000000000 -0700
+++ linux-kbuild-2.6-2.6.18/arch/ia64/scripts/check-model.c 2006-09-19
21:42:06.000000000 -0600
@@ -0,0 +1 @@
+int __attribute__ ((__model__ (__small__))) x;
diff -urN linux-kbuild-2.6-2.6.18.orig/arch/ia64/scripts/check-segrel.S
linux-kbuild-2.6-2.6.18/arch/ia64/scripts/check-segrel.S
--- linux-kbuild-2.6-2.6.18.orig/arch/ia64/scripts/check-segrel.S
1969-12-31 17:00:00.000000000 -0700
+++ linux-kbuild-2.6-2.6.18/arch/ia64/scripts/check-segrel.S 2006-09-19
21:42:06.000000000 -0600
@@ -0,0 +1,4 @@
+ .rodata
+ data4 @segrel(start)
+ .data
+start:
diff -urN linux-kbuild-2.6-2.6.18.orig/arch/ia64/scripts/check-segrel.lds
linux-kbuild-2.6-2.6.18/arch/ia64/scripts/check-segrel.lds
--- linux-kbuild-2.6-2.6.18.orig/arch/ia64/scripts/check-segrel.lds
1969-12-31 17:00:00.000000000 -0700
+++ linux-kbuild-2.6-2.6.18/arch/ia64/scripts/check-segrel.lds 2006-09-19
21:42:06.000000000 -0600
@@ -0,0 +1,11 @@
+SECTIONS {
+ . = SIZEOF_HEADERS;
+ .rodata : { *(.rodata) } :ro
+ . = 0xa0000;
+ .data : { *(.data) } :dat
+ /DISCARD/ : { *(*) }
+}
+PHDRS {
+ ro PT_LOAD FILEHDR PHDRS;
+ dat PT_LOAD;
+}
diff -urN linux-kbuild-2.6-2.6.18.orig/arch/ia64/scripts/check-serialize.S
linux-kbuild-2.6-2.6.18/arch/ia64/scripts/check-serialize.S
--- linux-kbuild-2.6-2.6.18.orig/arch/ia64/scripts/check-serialize.S
1969-12-31 17:00:00.000000000 -0700
+++ linux-kbuild-2.6-2.6.18/arch/ia64/scripts/check-serialize.S 2006-09-19
21:42:06.000000000 -0600
@@ -0,0 +1,2 @@
+ .serialize.data
+ .serialize.instruction
diff -urN linux-kbuild-2.6-2.6.18.orig/arch/ia64/scripts/check-text-align.S
linux-kbuild-2.6-2.6.18/arch/ia64/scripts/check-text-align.S
--- linux-kbuild-2.6-2.6.18.orig/arch/ia64/scripts/check-text-align.S
1969-12-31 17:00:00.000000000 -0700
+++ linux-kbuild-2.6-2.6.18/arch/ia64/scripts/check-text-align.S
2006-09-19 21:42:06.000000000 -0600
@@ -0,0 +1,6 @@
+ .proc foo
+ .prologue
+foo: .save rp, r2
+ nop 0
+ .align 64
+ .endp foo
diff -urN linux-kbuild-2.6-2.6.18.orig/arch/ia64/scripts/toolchain-flags
linux-kbuild-2.6-2.6.18/arch/ia64/scripts/toolchain-flags
--- linux-kbuild-2.6-2.6.18.orig/arch/ia64/scripts/toolchain-flags
1969-12-31 17:00:00.000000000 -0700
+++ linux-kbuild-2.6-2.6.18/arch/ia64/scripts/toolchain-flags 2006-09-19
21:42:06.000000000 -0600
@@ -0,0 +1,53 @@
+#!/bin/sh
+#
+# Check whether linker can handle cross-segment @segrel():
+#
+CPPFLAGS=""
+CC=$1
+OBJDUMP=$2
+READELF=$3
+dir=$(dirname $0)
+tmp=${TMPDIR:-/tmp}
+out=$tmp/out$$
+
+# Check whether cross-segment segment-relative relocs work fine. We need
+# that for building the gate DSO:
+
+$CC -nostdlib -static -Wl,-T$dir/check-segrel.lds $dir/check-segrel.S -o $out
+res=$($OBJDUMP --full --section .rodata $out | fgrep 000 | cut -f3 -d' ')
+rm -f $out
+if [ $res != 00000a00 ]; then
+ CPPFLAGS="$CPPFLAGS -DHAVE_BUGGY_SEGREL"
+ cat >&2 <<EOF
+warning: your linker cannot handle cross-segment segment-relative relocations.
+ please upgrade to a newer version (it is safe to use this linker, but
+ the kernel will be bigger than strictly necessary).
+EOF
+fi
+
+# Check whether .align inside a function works as expected.
+
+$CC -c $dir/check-text-align.S -o $out
+$READELF -u $out | fgrep -q 'prologue(rlen=12)'
+res=$?
+rm -f $out
+if [ $res -eq 0 ]; then
+ CPPFLAGS="$CPPFLAGS -DHAVE_WORKING_TEXT_ALIGN"
+fi
+
+if ! $CC -c $dir/check-model.c -o $out 2>&1 | grep __model__ | grep -q attrib
+then
+ CPPFLAGS="$CPPFLAGS -DHAVE_MODEL_SMALL_ATTRIBUTE"
+fi
+rm -f $out
+
+# Check whether assembler supports .serialize.{data,instruction} directive.
+
+$CC -c $dir/check-serialize.S -o $out 2>/dev/null
+res=$?
+rm -f $out
+if [ $res -eq 0 ]; then
+ CPPFLAGS="$CPPFLAGS -DHAVE_SERIALIZE_DIRECTIVE"
+fi
+
+echo $CPPFLAGS
diff -urN linux-kbuild-2.6-2.6.18.orig/arch/ia64/scripts/unwcheck.py
linux-kbuild-2.6-2.6.18/arch/ia64/scripts/unwcheck.py
--- linux-kbuild-2.6-2.6.18.orig/arch/ia64/scripts/unwcheck.py 1969-12-31
17:00:00.000000000 -0700
+++ linux-kbuild-2.6-2.6.18/arch/ia64/scripts/unwcheck.py 2006-09-19
21:42:06.000000000 -0600
@@ -0,0 +1,64 @@
+#!/usr/bin/env python
+#
+# Usage: unwcheck.py FILE
+#
+# This script checks the unwind info of each function in file FILE
+# and verifies that the sum of the region-lengths matches the total
+# length of the function.
+#
+# Based on a shell/awk script originally written by Harish Patil,
+# which was converted to Perl by Matthew Chapman, which was converted
+# to Python by David Mosberger.
+#
+import os
+import re
+import sys
+
+if len(sys.argv) != 2:
+ print "Usage: %s FILE" % sys.argv[0]
+ sys.exit(2)
+
+readelf = os.getenv("READELF", "readelf")
+
+start_pattern = re.compile("<([^>]*)>: \[0x([0-9a-f]+)-0x([0-9a-f]+)\]")
+rlen_pattern = re.compile(".*rlen=([0-9]+)")
+
+def check_func (func, slots, rlen_sum):
+ if slots != rlen_sum:
+ global num_errors
+ num_errors += 1
+ if not func: func = "[%#x-%#x]" % (start, end)
+ print "ERROR: %s: %lu slots, total region length = %lu" % (func,
slots, rlen_sum)
+ return
+
+num_funcs = 0
+num_errors = 0
+func = False
+slots = 0
+rlen_sum = 0
+for line in os.popen("%s -u %s" % (readelf, sys.argv[1])):
+ m = start_pattern.match(line)
+ if m:
+ check_func(func, slots, rlen_sum)
+
+ func = m.group(1)
+ start = long(m.group(2), 16)
+ end = long(m.group(3), 16)
+ slots = 3 * (end - start) / 16
+ rlen_sum = 0L
+ num_funcs += 1
+ else:
+ m = rlen_pattern.match(line)
+ if m:
+ rlen_sum += long(m.group(1))
+check_func(func, slots, rlen_sum)
+
+if num_errors == 0:
+ print "No errors detected in %u functions." % num_funcs
+else:
+ if num_errors > 1:
+ err="errors"
+ else:
+ err="error"
+ print "%u %s detected in %u functions." % (num_errors, err, num_funcs)
+ sys.exit(1)
--- linux-2.6-2.6.18.orig/debian/rules.real 2006-11-06 15:14:41.000000000
-0700
+++ linux-2.6-2.6.18/debian/rules.real 2006-11-22 02:37:02.000000000 -0700
@@ -312,7 +312,12 @@
mkdir -p "${PACKAGE_DIR}/lib/modules/${REAL_VERSION}"
ln -s "/usr/src/${PACKAGE_NAME}"
"${PACKAGE_DIR}/lib/modules/${REAL_VERSION}/build"
+ ## arch-specific scripts should be provided by linux-kbuild
ln -s "../${PACKAGE_NAME_KBUILD}/scripts" "${DIR}"
+ if [ -d ${CURDIR}/${SOURCE_DIR}/arch/${KERNEL_ARCH}/scripts ]; then \
+ rm -rf ${DIR}/arch/${KERNEL_ARCH}/scripts; \
+ ln -s --target-directory="${DIR}/arch/${KERNEL_ARCH}"
"../../../${PACKAGE_NAME_KBUILD}/arch/${KERNEL_ARCH}/scripts"; \
+ fi
$(MAKE) -f debian/rules.real install-base
--
dann frazier
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