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| author | Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> | 2005-05-05 16:15:16 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-05-05 16:36:33 -0700 |
| commit | 23352fc252495fdc072b3bd29f57c4c6b7a6bd83 (patch) | |
| tree | 6d8bbac7d5512e7a984551f39d3922410ba53455 /arch/um | |
| parent | f7fe8781749bf2de2ca03147a1691244a7d93ec7 (diff) | |
| download | linux-stable-23352fc252495fdc072b3bd29f57c4c6b7a6bd83.tar.gz linux-stable-23352fc252495fdc072b3bd29f57c4c6b7a6bd83.tar.bz2 linux-stable-23352fc252495fdc072b3bd29f57c4c6b7a6bd83.zip | |
[PATCH] uml: kludgy compilation fixes for x86-64 subarch modules support
These are some trivial fixes for the x86-64 subarch module support. The only
potential problem is that I have to modify arch/x86_64/kernel/module.c, to
avoid copying the whole of it.
I can't use it verbatim because it depends on a special vmalloc-like area for
modules, which for now (maybe that's to fix, I guess not) UML/x86-64 has not.
I went the easy way and reused the i386 vmalloc()-based allocator.
Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Acked-by: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/um')
| -rw-r--r-- | arch/um/sys-x86_64/Makefile | 7 | ||||
| -rw-r--r-- | arch/um/sys-x86_64/ksyms.c | 23 | ||||
| -rw-r--r-- | arch/um/sys-x86_64/um_module.c | 19 |
3 files changed, 48 insertions, 1 deletions
diff --git a/arch/um/sys-x86_64/Makefile b/arch/um/sys-x86_64/Makefile index d7ed2f7908df..e60c9da8fb48 100644 --- a/arch/um/sys-x86_64/Makefile +++ b/arch/um/sys-x86_64/Makefile @@ -4,16 +4,20 @@ # Licensed under the GPL # +#XXX: why into lib-y? lib-y = bitops.o bugs.o csum-partial.o delay.o fault.o mem.o memcpy.o \ ptrace.o ptrace_user.o semaphore.o sigcontext.o signal.o \ syscalls.o sysrq.o thunk.o syscall_table.o +obj-y := ksyms.o +obj-$(CONFIG_MODULES) += module.o um_module.o + USER_OBJS := ptrace_user.o sigcontext.o include arch/um/scripts/Makefile.rules SYMLINKS = bitops.c csum-copy.S csum-partial.c csum-wrappers.c memcpy.S \ - semaphore.c thunk.S + semaphore.c thunk.S module.c # this needs to be before the foreach, because clean-files does not accept # complete paths like $(src)/$f. @@ -30,6 +34,7 @@ csum-wrappers.c-dir = lib memcpy.S-dir = lib semaphore.c-dir = kernel thunk.S-dir = lib +module.c-dir = kernel $(SYMLINKS): FORCE $(call if_changed,make_link) diff --git a/arch/um/sys-x86_64/ksyms.c b/arch/um/sys-x86_64/ksyms.c new file mode 100644 index 000000000000..8d30fa8393c8 --- /dev/null +++ b/arch/um/sys-x86_64/ksyms.c @@ -0,0 +1,23 @@ +#include "linux/module.h" +#include "linux/in6.h" +#include "linux/rwsem.h" +#include "asm/byteorder.h" +#include "asm/semaphore.h" +#include "asm/uaccess.h" +#include "asm/checksum.h" +#include "asm/errno.h" + +EXPORT_SYMBOL(__down_failed); +EXPORT_SYMBOL(__down_failed_interruptible); +EXPORT_SYMBOL(__down_failed_trylock); +EXPORT_SYMBOL(__up_wakeup); + +/*XXX: we need them because they would be exported by x86_64 */ +EXPORT_SYMBOL(__memcpy); +EXPORT_SYMBOL(strcmp); +EXPORT_SYMBOL(strcat); +EXPORT_SYMBOL(strcpy); + +/* Networking helper routines. */ +/*EXPORT_SYMBOL(csum_partial_copy_from); +EXPORT_SYMBOL(csum_partial_copy_to);*/ diff --git a/arch/um/sys-x86_64/um_module.c b/arch/um/sys-x86_64/um_module.c new file mode 100644 index 000000000000..8b8eff1bd977 --- /dev/null +++ b/arch/um/sys-x86_64/um_module.c @@ -0,0 +1,19 @@ +#include <linux/vmalloc.h> +#include <linux/moduleloader.h> + +/*Copied from i386 arch/i386/kernel/module.c */ +void *module_alloc(unsigned long size) +{ + if (size == 0) + return NULL; + return vmalloc_exec(size); +} + +/* Free memory returned from module_alloc */ +void module_free(struct module *mod, void *module_region) +{ + vfree(module_region); + /* FIXME: If module_region == mod->init_region, trim exception + table entries. */ +} + |