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d8f8b84456
linux/arch/x86/um
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Mickaël Salaün d8f8b84456 um: Add full asm/syscall.h support 
Add subarchitecture-independent implementation of asm-generic/syscall.h
allowing access to user system call parameters and results:
* syscall_get_nr()
* syscall_rollback()
* syscall_get_error()
* syscall_get_return_value()
* syscall_set_return_value()
* syscall_get_arguments()
* syscall_set_arguments()
* syscall_get_arch() provided by arch/x86/um/asm/syscall.h

This provides the necessary syscall helpers needed by
HAVE_ARCH_SECCOMP_FILTER plus syscall_get_error().

This is inspired from Meredydd Luff's patch
(https://gerrit.chromium.org/gerrit/21425).

Signed-off-by: Mickaël Salaün <mic@digikod.net>
Cc: Jeff Dike <jdike@addtoit.com>
Cc: Richard Weinberger <richard@nod.at>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Will Drewry <wad@chromium.org>
Cc: Meredydd Luff <meredydd@senatehouse.org>
Cc: David Drysdale <drysdale@google.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
Acked-by: Kees Cook <keescook@chromium.org>
2016-01-10 21:49:49 +01:00
..
asm um: Add full asm/syscall.h support 2016-01-10 21:49:49 +01:00
os-Linux um: prctl: Do not include linux/ptrace.h 2013-09-07 10:57:11 +02:00
shared/sysdep um: Stop abusing __KERNEL__ 2015-05-31 22:05:32 +02:00
vdso um: Add asm/elf.h to vma.c 2015-05-31 17:31:50 +02:00
bug.c
bugs_32.c um: get rid of pointless include "..." where include <...> will do 2012-10-09 22:28:45 +02:00
bugs_64.c um: get rid of pointless include "..." where include <...> will do 2012-10-09 22:28:45 +02:00
checksum_32.S um: remove csum_partial_copy_generic_i386 to clean up exception table 2014-10-13 17:15:02 +02:00
delay.c
elfcore.c switch elf_core_write_extra_data() to dump_emit() 2013-11-09 00:16:23 -05:00
fault.c um: don't compare a pointer to 0 2012-12-20 11:49:39 -08:00
Kconfig arch/um: make it work with defconfig and x86_64 2013-11-17 11:31:48 +01:00
ksyms.c
ldt.c um: Do not rely on libc to provide modify_ldt() 2015-10-19 22:53:37 +02:00
Makefile x86/asm/entry: Move the 'thunk' functions to arch/x86/entry/ 2015-06-04 07:37:33 +02:00
mem_32.c um: Cleanup mem_32/64.c headers 2015-05-31 17:31:42 +02:00
mem_64.c um: Cleanup mem_32/64.c headers 2015-05-31 17:31:42 +02:00
ptrace_32.c um: Fix ptrace GETREGS/SETREGS bugs 2016-01-10 21:49:48 +01:00
ptrace_64.c um: Don't pollute kernel namespace with uapi 2015-06-25 22:44:11 +02:00
ptrace_user.c um: get rid of pointless include "..." where include <...> will do 2012-10-09 22:28:45 +02:00
setjmp_32.S
setjmp_64.S
signal.c um: Fix pointer cast 2015-12-22 15:31:51 -08:00
stub_32.S um: Remove dead symbol from i386 syscall stub 2015-11-06 22:49:11 +01:00
stub_64.S um: Simplify STUB_DATA loading 2015-11-06 22:49:11 +01:00
stub_segv.c um: get rid of pointless include "..." where include <...> will do 2012-10-09 22:28:45 +02:00
sys_call_table_32.c x86/syscalls: Give sys_call_ptr_t a useful type 2015-10-09 09:41:08 +02:00
sys_call_table_64.c x86/syscalls: Give sys_call_ptr_t a useful type 2015-10-09 09:41:08 +02:00
syscalls_64.c um: Add uaccess.h to syscalls_64.c 2015-05-31 17:31:56 +02:00
sysrq_32.c um: Rewrite show_stack() 2013-11-17 11:27:25 +01:00
sysrq_64.c um: Rewrite show_stack() 2013-11-17 11:27:25 +01:00
tls_32.c um: Don't pollute kernel namespace with uapi 2015-06-25 22:44:11 +02:00
tls_64.c um: Don't pollute kernel namespace with uapi 2015-06-25 22:44:11 +02:00
user-offsets.c x32: Add x32 system calls to syscall/syscall_64.tbl 2012-02-20 12:48:49 -08:00