UNWIND(.fnstart )
UNWIND(.cantunwind )
disable_irq_notrace @ disable interrupts
- ldr r2, [tsk, #TI_ADDR_LIMIT]
- ldr r1, =TASK_SIZE
- cmp r2, r1
- blne addr_limit_check_failed
ldr r1, [tsk, #TI_FLAGS] @ re-check for syscall tracing
movs r1, r1, lsl #16
bne fast_work_pending
bl do_rseq_syscall
#endif
disable_irq_notrace @ disable interrupts
- ldr r2, [tsk, #TI_ADDR_LIMIT]
- ldr r1, =TASK_SIZE
- cmp r2, r1
- blne addr_limit_check_failed
ldr r1, [tsk, #TI_FLAGS] @ re-check for syscall tracing
movs r1, r1, lsl #16
beq no_work_pending
#endif
disable_irq_notrace @ disable interrupts
ENTRY(ret_to_user_from_irq)
- ldr r2, [tsk, #TI_ADDR_LIMIT]
- ldr r1, =TASK_SIZE
- cmp r2, r1
- blne addr_limit_check_failed
ldr r1, [tsk, #TI_FLAGS]
movs r1, r1, lsl #16
bne slow_work_pending
/* saved_psr and saved_pc are now dead */
uaccess_disable tbl
+ get_thread_info tsk
adr tbl, sys_call_table @ load syscall table pointer
* get the old ABI syscall table address.
*/
bics r10, r10, #0xff000000
+ strne r10, [tsk, #TI_ABI_SYSCALL]
+ streq scno, [tsk, #TI_ABI_SYSCALL]
eorne scno, r10, #__NR_OABI_SYSCALL_BASE
ldrne tbl, =sys_oabi_call_table
#elif !defined(CONFIG_AEABI)
bic scno, scno, #0xff000000 @ mask off SWI op-code
+ str scno, [tsk, #TI_ABI_SYSCALL]
eor scno, scno, #__NR_SYSCALL_BASE @ check OS number
+#else
+ str scno, [tsk, #TI_ABI_SYSCALL]
#endif
- get_thread_info tsk
/*
* Reload the registers that may have been corrupted on entry to
* the syscall assembly (by tracing or context tracking.)
* context switches, and waiting for our parent to respond.
*/
__sys_trace:
- mov r1, scno
add r0, sp, #S_OFF
bl syscall_trace_enter
mov scno, r0