Lines Matching +full:user +full:- +full:defined

1 /* SPDX-License-Identifier: GPL-2.0-only */
3  *  linux/arch/arm/kernel/entry-common.S
14 #include <asm/unistd-oabi.h>
20 #include <mach/entry-macro.S>
26 #include "entry-header.S"
29 #if defined(CONFIG_TRACE_IRQFLAGS) || defined(CONFIG_CONTEXT_TRACKING)
44  * have tracing, context tracking and rseq debug disabled - the overheads
52 	ldr	r1, [tsk, #TI_FLAGS]		@ re-check for syscall tracing
57 	/* perform architecture specific actions before user return */
86 	ldr	r1, [tsk, #TI_FLAGS]		@ re-check for syscall tracing
92 	/* Slower path - fall through to work_pending */
103 	movlt	scno, #(__NR_restart_syscall - __NR_SYSCALL_BASE)
104 	ldmia	sp, {r0 - r6}			@ have to reload r0 - r6
130 	/* perform architecture specific actions before user return */
153  *-----------------------------------------------------------------------------
162 	stmia	sp, {r0 - r12}			@ Calling r0 - r12
167 	mrs	saved_psr, spsr			@ called from non-FIQ mode, so ok.
183 #if defined(CONFIG_OABI_COMPAT)
192  USER(	ldreq	r10, [saved_pc, #-4]	)	@ get SWI instruction
194  USER(	ldr	r10, [saved_pc, #-4]	)	@ get SWI instruction
198 #elif defined(CONFIG_AEABI)
201 	 * Pure EABI user space always put syscall number into scno (r7).
203 #elif defined(CONFIG_ARM_THUMB)
207  USER(	ldreq	scno, [saved_pc, #-4]	)
211  USER(	ldr	scno, [saved_pc, #-4]	)	@ get SWI instruction
221 #if defined(CONFIG_OABI_COMPAT)
233 #elif !defined(CONFIG_AEABI)
234 	bic	scno, scno, #0xff000000		@ mask off SWI op-code
244  TRACE(	ldmia	sp, {r0 - r3}		)
256 2:	cmp	scno, #(__ARM_NR_BASE - __NR_SYSCALL_BASE)
262 #if defined(CONFIG_OABI_COMPAT) || !defined(CONFIG_AEABI)
266 	 * position to return -EFAULT. Instead, return back to the
267 	 * instruction and re-enter the user fault handling path trying
288 	cmp	scno, #-1			@ skip the syscall?
319 	.ifgt	__sys_nr - \nr
322 	.rept	\nr - __sys_nr
330 	.ifgt	__sys_nr - __NR_syscalls
333 	.rept	__NR_syscalls - __sys_nr
336 	.size	\sym, . - \sym
344  * With EABI a couple syscalls are obsolete and defined as sys_ni_syscall.
348 #include <calls-eabi.S>
350 #include <calls-oabi.S>
361 		cmp	scno, #__NR_syscall - __NR_SYSCALL_BASE
451 #include <calls-oabi.S>