20db67154c
including Autoconf/Automake generated code. svn path=/nixpkgs/trunk/; revision=22815
305 lines
13 KiB
Diff
305 lines
13 KiB
Diff
diff -ru -x Makefile.in -x aclocal.m4 -x configure -x '*config.h.in' -x 'config.*' -x depcomp -x install-sh -x ltmain.sh -x missing blcr-0.8.2-orig/acinclude.m4 blcr-0.8.2/acinclude.m4
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--- blcr-0.8.2-orig/acinclude.m4 2009-06-12 22:37:01.000000000 +0200
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+++ blcr-0.8.2/acinclude.m4 2010-07-29 21:18:29.000000000 +0200
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@@ -953,8 +953,9 @@
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# When complete sets LINUX_SYMTAB_CMD such that
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# "eval $LINUX_SYMTAB_CMD" will produce a System.map on stdout.
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cr_stripped_maps=''
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+m4_define([cr_ksymtab_patt],[[-e '[TD] sys_open' -e '[AB] _end']])
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AC_DEFUN([_CR_CHECK_SYSTEM_MAP],[
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- if test -n "$1" -a -r "$1" && grep ' [[AB]] _end' <"$1" >/dev/null 2>/dev/null; then
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+ if test -n "$1" -a -r "$1" && grep cr_ksymtab_patt <"$1" >/dev/null 2>/dev/null; then
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if grep -B1 '[[AB]] _end' <"$1" | grep _stext >/dev/null 2>/dev/null; then
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# Reject "stripped" files (such as in FC2)
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# Recognized (poorly) by _stext and _end as last two entries.
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@@ -968,7 +969,7 @@
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])
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AC_DEFUN([_CR_CHECK_VMLINUX],[
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AC_REQUIRE([AC_PROG_NM])
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- if test -n "$1" -a -r "$1" && ($NM "$1" | grep ' [[AB]] _end') >/dev/null 2>/dev/null; then
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+ if test -n "$1" -a -r "$1" && ($NM "$1" | grep cr_ksymtab_patt) >/dev/null 2>/dev/null; then
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LINUX_VMLINUX="$1"
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LINUX_SYMTAB_FILE="$1"
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LINUX_SYMTAB_CMD="$NM $1 2>/dev/null"
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diff -ru -x Makefile.in -x aclocal.m4 -x configure -x '*config.h.in' -x 'config.*' -x depcomp -x install-sh -x ltmain.sh -x missing blcr-0.8.2-orig/blcr_imports/module.c blcr-0.8.2/blcr_imports/module.c
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--- blcr-0.8.2-orig/blcr_imports/module.c 2008-05-13 08:06:19.000000000 +0200
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+++ blcr-0.8.2/blcr_imports/module.c 2010-07-29 21:18:29.000000000 +0200
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@@ -81,7 +81,13 @@
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/* Check current kernel against System.map used at configure time */
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{
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+#if defined(CR_EXPORTED_KCODE_register_chrdev)
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unsigned long offset1 = CR_EXPORTED_KCODE_register_chrdev - (unsigned long)®ister_chrdev;
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+#elif defined(CR_EXPORTED_KCODE___register_chrdev)
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+ unsigned long offset1 = CR_EXPORTED_KCODE___register_chrdev - (unsigned long)&__register_chrdev;
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+#else
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+ #error "No register_chrdev symbol for validation of System.map"
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+#endif
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unsigned long offset2 = CR_EXPORTED_KCODE_register_blkdev - (unsigned long)®ister_blkdev;
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if (
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#if defined(CONFIG_RELOCATABLE) && defined(CONFIG_PHYSICAL_ALIGN)
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diff -ru -x Makefile.in -x aclocal.m4 -x configure -x '*config.h.in' -x 'config.*' -x depcomp -x install-sh -x ltmain.sh -x missing blcr-0.8.2-orig/config/kbuild.mak.in blcr-0.8.2/config/kbuild.mak.in
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--- blcr-0.8.2-orig/config/kbuild.mak.in 2008-08-04 20:39:29.000000000 +0200
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+++ blcr-0.8.2/config/kbuild.mak.in 2010-07-29 21:18:29.000000000 +0200
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@@ -1,7 +1,7 @@
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# Here are the configuration bits needed in the "caller" to use this file
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#SUBDIR = vmadump4
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#TARGET = vmadump
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-#SOURCES = vmadump_common.c vmadump_@CR_ARCH@.c optional.h
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+#SOURCES = vmadump_common.c vmadump_@CR_KARCH@.c optional.h
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#[optional]EXTRA_CFLAGS = -I$(top_builddir)/include -I$(top_builddir) -I$(srcdir)
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#[optional]IMPORTS_FROM = /some/other/kbuild/module/dir /and/another
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#
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@@ -26,7 +26,7 @@
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# Remove headers from the list of sources, and sort to remove possible duplicates
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DOT_C := $(sort $(filter %.c,$(SOURCES)))
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-ifeq ($(TOPDIR),)
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+ifeq ($(srctree),)
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# not within KBUILD - implement automake's standard goals
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all: $(LINUX_OBJ)/.config prepare
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diff -ru -x Makefile.in -x aclocal.m4 -x configure -x '*config.h.in' -x 'config.*' -x depcomp -x install-sh -x ltmain.sh -x missing blcr-0.8.2-orig/configure.ac blcr-0.8.2/configure.ac
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--- blcr-0.8.2-orig/configure.ac 2009-06-16 00:33:56.000000000 +0200
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+++ blcr-0.8.2/configure.ac 2010-07-29 21:18:29.000000000 +0200
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@@ -123,6 +123,8 @@
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AC_CONFIG_AUX_DIR(./config)
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AM_INIT_AUTOMAKE([foreign no-exeext std-options])
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+AM_MAINTAINER_MODE([enable])
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+
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################################################################################
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# Boilerplate for versions and copyrights in generated files
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################################################################################
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@@ -454,9 +456,10 @@
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AC_SUBST(CR_CLIENT_LDADD)
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# If building the tests, we can optionally test C++
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-if test x"$cr_build_tests" = xyes; then
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+# Note, however, that bug 2619 reports that we can't call this conditionally.
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+dnl if test x"$cr_build_tests" = xyes; then
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CR_PROG_CXX
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-fi
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+dnl fi
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################################################################################
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# Check libraries
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@@ -843,6 +846,22 @@
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# Checks for matching (we hope) symbol table
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CR_LINUX_SYMTAB
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+# Set and substitute CR_KARCH to enable i386 userland on x86_64 kernels
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+CR_KARCH=$CR_ARCH
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+if test $CR_ARCH = i386; then
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+ # probe the System.map to find out if we need to change CR_KARCH at all.
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+ # All this does is count the number of *digits* in a hex formatted address
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+ AC_MSG_NOTICE([Testing if KARCH is the same as ARCH])
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+ symlen=`$LINUX_SYMTAB_CMD | head -n1 | sed 's/ .*$//;s/\(.\)/\1\n/g;s/\n$//'|wc -l`
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+ if test $symlen -eq 16; then
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+ AC_MSG_NOTICE([Changing KARCH to x86_64])
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+ CR_KARCH=x86_64
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+ else
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+ AC_MSG_NOTICE([Not touching KARCH])
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+ fi
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+fi
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+AC_SUBST([CR_KARCH], $CR_KARCH)
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+
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## Check for optional kernel headers...
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CR_CHECK_KERNEL_HEADER([linux/syscalls.h])
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CR_CHECK_KERNEL_HEADER([linux/pspace.h])
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@@ -985,7 +1004,7 @@
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fi
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# put_task_struct() requires one of these:
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-CR_FIND_KSYM([__put_task_struct],[CODE])
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+CR_FIND_KSYM([__put_task_struct],[CODE],[extern void __put_task_struct(struct task_struct *);])
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CR_FIND_KSYM([__put_task_struct_cb],[CODE])
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CR_CHECK_KERNEL_MEMBER([mm.task_size],[#include <linux/sched.h>],
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@@ -1025,7 +1044,7 @@
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if test -n "${HAVE_MAP_VSYSCALL}"; then
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CR_FIND_KSYM([map_vsyscall],[CODE])
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fi
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-if test $CR_ARCH = x86_64; then
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+if test $CR_KARCH = x86_64; then
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CR_FIND_KSYM([syscall32_setup_pages],[CODE],
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[extern int syscall32_setup_pages(void *, int);])
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fi
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@@ -1093,7 +1112,7 @@
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CR_FIND_KSYM([do_sigaltstack],[CODE],
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[extern int do_sigaltstack(const stack_t *, stack_t *, unsigned long);])
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-if test $CR_ARCH = i386 -o $CR_ARCH = x86_64; then
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+if test $CR_KARCH = i386 -o $CR_KARCH = x86_64; then
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CR_CHECK_KERNEL_TYPE([struct n_desc_struct],[
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#include <linux/sched.h>
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#include <asm/desc.h>])
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@@ -1144,7 +1163,7 @@
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fi
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fi
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-if test $CR_ARCH = i386; then
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+if test $CR_KARCH = i386; then
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CR_CHECK_KERNEL_MEMBER([pt_regs.xcs],[#include <asm/ptrace.h>],[struct pt_regs],[int],[xcs])
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CR_CHECK_KERNEL_MEMBER([pt_regs.xfs],[#include <asm/ptrace.h>],[struct pt_regs],[int],[xfs])
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CR_CHECK_KERNEL_MEMBER([pt_regs.xgs],[#include <asm/ptrace.h>],[struct pt_regs],[int],[xgs])
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@@ -1230,6 +1249,7 @@
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if test -z "${HAVE_2_ARG_FIND_PID}${HAVE_FIND_TASK_BY_PID}${HAVE_FIND_TASK_BY_PID_NS}"; then
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CR_BAD_KERNEL([unable to determine how to map (type, pid_nr) -> struct task])
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fi
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+CR_FIND_KSYM([find_task_by_pid_ns],[CODE])
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CR_CHECK_KERNEL_CALL([alloc_pid],[#include <linux/sched.h>])
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if test -n "${HAVE_ALLOC_PID}"; then
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@@ -1492,7 +1512,7 @@
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CR_FIND_KSYM([sys_mremap],[CODE],
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[extern asmlinkage unsigned long sys_mremap(unsigned long addr, unsigned long old_len, unsigned long new_len, unsigned long flags, unsigned long new_addr);])
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CR_FIND_KSYM([do_sigaction],[CODE])
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-if test $CR_ARCH = x86_64; then
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+if test $CR_KARCH = x86_64; then
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CR_FIND_KSYM([load_gs_index],[CODE])
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CR_CHECK_KERNEL_CALL([read_pda],[#include <asm/percpu.h>])
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@@ -1536,7 +1556,10 @@
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# the System.map used to locate symbols and configure time.
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CR_FIND_EXPORTED_KSYM([register_chrdev],[CODE])
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if test "$cr_addr" = "0"; then
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- CR_BAD_KERNEL([kernel does not export register_chrdev])
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+ CR_FIND_EXPORTED_KSYM([__register_chrdev],[CODE])
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+ if test "$cr_addr" = "0"; then
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+ CR_BAD_KERNEL([kernel does not export register_chrdev or __register_chrdev])
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+ fi
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fi
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CR_FIND_EXPORTED_KSYM([register_blkdev],[CODE])
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if test "$cr_addr" = "0"; then
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diff -ru -x Makefile.in -x aclocal.m4 -x configure -x '*config.h.in' -x 'config.*' -x depcomp -x install-sh -x ltmain.sh -x missing blcr-0.8.2-orig/cr_module/cr_kcompat.h blcr-0.8.2/cr_module/cr_kcompat.h
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--- blcr-0.8.2-orig/cr_module/cr_kcompat.h 2009-06-12 22:37:03.000000000 +0200
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+++ blcr-0.8.2/cr_module/cr_kcompat.h 2010-07-29 21:18:29.000000000 +0200
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@@ -274,7 +274,8 @@
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#elif HAVE_2_ARG_FIND_PID
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#define cr_have_pid(T,P) (find_pid((T),(P)) != NULL)
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#else
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- #error
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+ // XXX: untested!
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+ #define cr_have_pid(T,P) (pid_task(find_vpid(P),(T)) != NULL)
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#endif
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// Process table iterators
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@@ -583,4 +584,9 @@
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#error "no cr_do_pipe() definition"
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#endif
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+#if !defined(DECLARE_MUTEX)
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+ #define DECLARE_MUTEX(m) DEFINE_SEMAPHORE(m)
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+ #define init_MUTEX(m) sema_init(m, 1)
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+#endif
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+
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#endif /* _CR_KCOMPAT_H */
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diff -ru -x Makefile.in -x aclocal.m4 -x configure -x '*config.h.in' -x 'config.*' -x depcomp -x install-sh -x ltmain.sh -x missing blcr-0.8.2-orig/cr_module/Makefile.am blcr-0.8.2/cr_module/Makefile.am
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--- blcr-0.8.2-orig/cr_module/Makefile.am 2008-09-03 02:29:00.000000000 +0200
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+++ blcr-0.8.2/cr_module/Makefile.am 2010-07-29 21:18:29.000000000 +0200
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@@ -31,13 +31,13 @@
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BPROC_VERSION = "4.0.0pre8"
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vmadump_dir = $(top_srcdir)/vmadump4
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-vmad_sources = $(vmadump_dir)/vmadump_common.c $(vmadump_dir)/vmadump_@CR_ARCH@.c
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+vmad_sources = $(vmadump_dir)/vmadump_common.c $(vmadump_dir)/vmadump_@CR_KARCH@.c
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vmad_include = -I$(vmadump_dir) -D__NR_vmadump=-1 -DBPROC_VERSION='$(BPROC_VERSION)'
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cr_sources = $(my_sources) $(vmad_sources)
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INCLUDES = -I$(top_builddir)/include \
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-I$(top_srcdir)/include \
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- -I$(srcdir)/arch/@CR_ARCH@ \
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+ -I$(srcdir)/arch/@CR_KARCH@ \
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$(vmad_include)
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# echo an arbitrary make/environment variable (needed by kbuild glue)
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diff -ru -x Makefile.in -x aclocal.m4 -x configure -x '*config.h.in' -x 'config.*' -x depcomp -x install-sh -x ltmain.sh -x missing blcr-0.8.2-orig/include/blcr_ksyms.h blcr-0.8.2/include/blcr_ksyms.h
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--- blcr-0.8.2-orig/include/blcr_ksyms.h 2008-12-02 01:17:42.000000000 +0100
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+++ blcr-0.8.2/include/blcr_ksyms.h 2010-07-29 21:18:29.000000000 +0200
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@@ -55,7 +55,11 @@
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#if defined(__i386__) || defined(__x86_64__)
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#ifdef CONFIG_RELOCATABLE
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- #define _CR_RELOC_KSYM(_addr) (_addr - CR_EXPORTED_KCODE_register_chrdev + register_chrdev)
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+ #ifndef CR_EXPORTED_KCODE___register_chrdev
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+ #define _CR_RELOC_KSYM(_addr) (_addr - CR_EXPORTED_KCODE_register_chrdev + register_chrdev)
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+ #else
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+ #define _CR_RELOC_KSYM(_addr) (_addr - CR_EXPORTED_KCODE___register_chrdev + __register_chrdev)
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+ #endif
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#else
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#define _CR_RELOC_KSYM(_addr) _addr
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#endif
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diff -ru -x Makefile.in -x aclocal.m4 -x configure -x '*config.h.in' -x 'config.*' -x depcomp -x install-sh -x ltmain.sh -x missing blcr-0.8.2-orig/libcr/arch/arm/cr_atomic.h blcr-0.8.2/libcr/arch/arm/cr_atomic.h
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--- blcr-0.8.2-orig/libcr/arch/arm/cr_atomic.h 2008-09-05 05:55:11.000000000 +0200
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+++ blcr-0.8.2/libcr/arch/arm/cr_atomic.h 2010-07-29 21:18:29.000000000 +0200
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@@ -33,6 +33,25 @@
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#ifndef _CR_ATOMIC_H
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#define _CR_ATOMIC_H 1
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+#if defined(__ARM_ARCH_2__) || defined(__ARM_ARCH_3__)
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+ // Sanity-check that we're not building on a really old architecture,
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+ // so that the using #ifdef __ARM_ARCH_4__ works to test for
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+ // lack of blx <register> support.
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+ #error "ARM Architecture versions prior to ARMv4 not supported."
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+#elif defined(__ARM_ARCH_4T__) && defined(__thumb__)
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+ // The inline asm is not compatible with Thumb-1 anyway, but in particular
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+ // we assume later that if __ARM_ARCH_4__ is not defined, we have ARMv5
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+ // or above. Ensure here that this assumption will be valid.
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+ #error "Building for Thumb on ARMv4 is not supported."
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+#endif
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+
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+// Determine whether to use BLX <register> for function calls to
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+// computed addresses:
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+#undef ARM_HAVE_BLX_REG
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+#if !(defined(__ARM_ARCH_4__) || defined(__ARM_ARCH_4T__))
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+ #define ARM_HAVE_BLX_REG 1
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+#endif
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+
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#include "blcr_config.h"
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#ifndef _STRINGIFY
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@@ -61,7 +80,7 @@
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__asm__ __volatile__("": : :"memory");
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}
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-#if defined(CR_KCODE___kuser_cmpxchg)
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+#if 1
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// For kernel >= 2.6.12, we use __kernel_cmpxchg()
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// See linux-2.6.12/arch/arm/kernel/entry-armv.S
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// For >= ARM6 we could/should be using load-exclusive directly.
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@@ -83,10 +102,15 @@
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__asm__ __volatile__ (
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"0: ldr r0, [r2] @ r0 = *p \n"
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+ " add r1, r0, %2 @ r1 = r0 + op \n"
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" mov r3, #" _STRINGIFY(cri_kuser_base) " \n"
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+#ifdef ARM_HAVE_BLX_REG
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+ " sub r3, r3, #" _STRINGIFY(cri_kuser_offset) "\n"
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+ " blx r3\n"
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+#else // ARMv4T and below
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" adr lr, 1f @ lr = return address \n"
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- " add r1, r0, %2 @ r1 = r0 + op \n"
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" sub pc, r3, #" _STRINGIFY(cri_kuser_offset) "\n"
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+#endif
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"1: bcc 0b @ retry on Carry Clear"
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: "=&r" (__sum)
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: "r" (__ptr), "rIL" (op)
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@@ -135,9 +159,14 @@
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__asm__ __volatile__ (
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"0: mov r0, r4 @ r0 = oldval \n"
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" mov r3, #" _STRINGIFY(cri_kuser_base) " \n"
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- " mov lr, pc @ lr = return addr \n"
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+#ifdef ARM_HAVE_BLX_REG
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+ " sub r3, r3, #" _STRINGIFY(cri_kuser_offset) "\n"
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+ " blx r3\n"
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+#else // ARMv4T and below
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+ " adr lr, 1f @ lr = return addr \n"
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" sub pc, r3, #" _STRINGIFY(cri_kuser_offset) "\n"
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- " ldrcc ip, [r2] @ if (!swapped) ip=*p \n"
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+#endif
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+ "1: ldrcc ip, [r2] @ if (!swapped) ip=*p \n"
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" eorcs ip, r4, #1 @ else ip=oldval^1 \n"
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" teq r4, ip @ if (ip == oldval) \n"
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" beq 0b @ then retry "
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