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authorHans-Christian Egtvedt <egtvedt@samfundet.no>2014-12-25 19:58:50 +0100
committerHans-Christian Egtvedt <egtvedt@samfundet.no>2015-02-09 15:27:44 +0100
commitf3240c1f6d18591b2c1ef33ed18d5ca91e62c104 (patch)
tree32879b14929eb1cadb337af885cd3fcb48df7a8f /arch/avr32
parentbfa76d49576599a4b9f9b7a71f23d73d6dcff735 (diff)
downloadlinux-f3240c1f6d18591b2c1ef33ed18d5ca91e62c104.tar.gz
avr32: wire up missing syscalls
This patch adds a bunch of missing syscalls to AVR32: __NR_pread64 __NR_pwrite64 __NR_timerfd_create __NR_fallocate __NR_timerfd_settime __NR_timerfd_gettime __NR_signalfd4 __NR_eventfd2 __NR_epoll_create1 __NR_dup3 __NR_pipe2 __NR_inotify_init1 __NR_preadv __NR_pwritev __NR_rt_tgsigqueueinfo __NR_perf_event_open __NR_recvmmsg __NR_fanotify_init __NR_fanotify_mark __NR_prlimit64 __NR_name_to_handle_at __NR_open_by_handle_at __NR_clock_adjtime __NR_syncfs __NR_sendmmsg __NR_process_vm_readv __NR_process_vm_writev __NR_kcmp __NR_finit_module __NR_sched_setattr __NR_sched_getattr __NR_renameat2 __NR_seccomp __NR_getrandom __NR_memfd_create __NR_bpf __NR_execveat On AVR32, all parameters beyond the 5th are passed on the stack. System calls don't use the stack -- they borrow a callee-saved register instead. This means that syscalls that take 6 parameters must be called through a stub that pushes the last parameter on the stack. This relates to syscall fallocate, fanotify_mark, process_vm_readv, and process_vm_writev. Signed-off-by: Hans-Christian Egtvedt <egtvedt@samfundet.no>
Diffstat (limited to 'arch/avr32')
-rw-r--r--arch/avr32/include/asm/unistd.h2
-rw-r--r--arch/avr32/include/uapi/asm/unistd.h41
-rw-r--r--arch/avr32/kernel/syscall-stubs.S36
-rw-r--r--arch/avr32/kernel/syscall_table.S37
4 files changed, 111 insertions, 5 deletions
diff --git a/arch/avr32/include/asm/unistd.h b/arch/avr32/include/asm/unistd.h
index c1eb080e45fe..2011bee3f252 100644
--- a/arch/avr32/include/asm/unistd.h
+++ b/arch/avr32/include/asm/unistd.h
@@ -10,7 +10,7 @@
#include <uapi/asm/unistd.h>
-#define NR_syscalls 284
+#define NR_syscalls 321
/* Old stuff */
#define __IGNORE_uselib
diff --git a/arch/avr32/include/uapi/asm/unistd.h b/arch/avr32/include/uapi/asm/unistd.h
index 8822bf46ddc6..bbe2fba565cd 100644
--- a/arch/avr32/include/uapi/asm/unistd.h
+++ b/arch/avr32/include/uapi/asm/unistd.h
@@ -222,7 +222,6 @@
#define __NR_epoll_wait 207
#define __NR_remap_file_pages 208
#define __NR_set_tid_address 209
-
#define __NR_timer_create 210
#define __NR_timer_settime 211
#define __NR_timer_gettime 212
@@ -238,7 +237,6 @@
/* 222 reserved for tux */
#define __NR_utimes 223
#define __NR_fadvise64_64 224
-
#define __NR_cacheflush 225
#define __NR_vserver 226
@@ -281,7 +279,6 @@
#define __NR_tee 263
#define __NR_vmsplice 264
#define __NR_epoll_pwait 265
-
#define __NR_msgget 266
#define __NR_msgsnd 267
#define __NR_msgrcv 268
@@ -294,11 +291,47 @@
#define __NR_shmget 275
#define __NR_shmdt 276
#define __NR_shmctl 277
-
#define __NR_utimensat 278
#define __NR_signalfd 279
/* 280 was __NR_timerfd */
#define __NR_eventfd 281
#define __NR_setns 283
+#define __NR_pread64 284
+#define __NR_pwrite64 285
+#define __NR_timerfd_create 286
+#define __NR_fallocate 287
+#define __NR_timerfd_settime 288
+#define __NR_timerfd_gettime 289
+#define __NR_signalfd4 290
+#define __NR_eventfd2 291
+#define __NR_epoll_create1 292
+#define __NR_dup3 293
+#define __NR_pipe2 294
+#define __NR_inotify_init1 295
+#define __NR_preadv 296
+#define __NR_pwritev 297
+#define __NR_rt_tgsigqueueinfo 298
+#define __NR_perf_event_open 299
+#define __NR_recvmmsg 300
+#define __NR_fanotify_init 301
+#define __NR_fanotify_mark 302
+#define __NR_prlimit64 303
+#define __NR_name_to_handle_at 304
+#define __NR_open_by_handle_at 305
+#define __NR_clock_adjtime 306
+#define __NR_syncfs 307
+#define __NR_sendmmsg 308
+#define __NR_process_vm_readv 309
+#define __NR_process_vm_writev 310
+#define __NR_kcmp 311
+#define __NR_finit_module 312
+#define __NR_sched_setattr 313
+#define __NR_sched_getattr 314
+#define __NR_renameat2 315
+#define __NR_seccomp 316
+#define __NR_getrandom 317
+#define __NR_memfd_create 318
+#define __NR_bpf 319
+#define __NR_execveat 320
#endif /* _UAPI__ASM_AVR32_UNISTD_H */
diff --git a/arch/avr32/kernel/syscall-stubs.S b/arch/avr32/kernel/syscall-stubs.S
index b5fc927cd398..f9c68fab0e2f 100644
--- a/arch/avr32/kernel/syscall-stubs.S
+++ b/arch/avr32/kernel/syscall-stubs.S
@@ -88,3 +88,39 @@ __sys_sync_file_range:
call sys_sync_file_range
sub sp, -4
popm pc
+
+ .global __sys_fallocate
+ .type __sys_fallocate,@function
+__sys_fallocate:
+ pushm lr
+ st.w --sp, ARG6
+ call sys_fallocate
+ sub sp, -4
+ popm pc
+
+ .global __sys_fanotify_mark
+ .type __sys_fanotify_mark,@function
+__sys_fanotify_mark:
+ pushm lr
+ st.w --sp, ARG6
+ call sys_fanotify_mark
+ sub sp, -4
+ popm pc
+
+ .global __sys_process_vm_readv
+ .type __sys_process_vm_readv,@function
+__sys_process_vm_readv:
+ pushm lr
+ st.w --sp, ARG6
+ call sys_process_vm_readv
+ sub sp, -4
+ popm pc
+
+ .global __sys_process_vm_writev
+ .type __sys_process_vm_writev,@function
+__sys_process_vm_writev:
+ pushm lr
+ st.w --sp, ARG6
+ call sys_process_vm_writev
+ sub sp, -4
+ popm pc
diff --git a/arch/avr32/kernel/syscall_table.S b/arch/avr32/kernel/syscall_table.S
index 017a904180c8..c3b593bfc3b3 100644
--- a/arch/avr32/kernel/syscall_table.S
+++ b/arch/avr32/kernel/syscall_table.S
@@ -297,4 +297,41 @@ sys_call_table:
.long sys_eventfd
.long sys_recvmmsg
.long sys_setns
+ .long sys_pread64
+ .long sys_pwrite64 /* 285 */
+ .long sys_timerfd_create
+ .long __sys_fallocate
+ .long sys_timerfd_settime
+ .long sys_timerfd_gettime
+ .long sys_signalfd4 /* 290 */
+ .long sys_eventfd2
+ .long sys_epoll_create1
+ .long sys_dup3
+ .long sys_pipe2
+ .long sys_inotify_init1 /* 295 */
+ .long sys_preadv
+ .long sys_pwritev
+ .long sys_rt_tgsigqueueinfo
+ .long sys_perf_event_open
+ .long sys_recvmmsg /* 300 */
+ .long sys_fanotify_init
+ .long __sys_fanotify_mark
+ .long sys_prlimit64
+ .long sys_name_to_handle_at
+ .long sys_open_by_handle_at /* 305 */
+ .long sys_clock_adjtime
+ .long sys_syncfs
+ .long sys_sendmmsg
+ .long __sys_process_vm_readv
+ .long __sys_process_vm_writev /* 310 */
+ .long sys_kcmp
+ .long sys_finit_module
+ .long sys_sched_setattr
+ .long sys_sched_getattr
+ .long sys_renameat2 /* 315 */
+ .long sys_seccomp
+ .long sys_getrandom
+ .long sys_memfd_create
+ .long sys_bpf
+ .long sys_execveat /* 320 */
.long sys_ni_syscall /* r8 is saturated at nr_syscalls */