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authorJesper Nilsson <jesper.nilsson@axis.com>2010-08-02 18:05:17 +0200
committerJesper Nilsson <jesper.nilsson@axis.com>2010-08-04 12:59:43 +0200
commita80a635f3d60e4aa61f96d22a122071cb061be93 (patch)
tree93dc8e4b0f345448b20ecc461767369b4eea46b2 /arch/cris/arch-v32/kernel/entry.S
parentb4973ae9dac3397499f5576c591d5c5bf51c68c6 (diff)
CRIS: Add debug for assembler functions
Signed-off-by: Edgar Iglesias <Edgar.Iglesias@axis.com> Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
Diffstat (limited to 'arch/cris/arch-v32/kernel/entry.S')
-rw-r--r--arch/cris/arch-v32/kernel/entry.S25
1 files changed, 24 insertions, 1 deletions
diff --git a/arch/cris/arch-v32/kernel/entry.S b/arch/cris/arch-v32/kernel/entry.S
index 1f39861eac8..7c14acb754a 100644
--- a/arch/cris/arch-v32/kernel/entry.S
+++ b/arch/cris/arch-v32/kernel/entry.S
@@ -76,12 +76,15 @@ _need_resched:
; Called at exit from fork. schedule_tail must be called to drop
; spinlock if CONFIG_PREEMPT.
+ .type ret_from_fork,@function
ret_from_fork:
jsr schedule_tail
nop
ba ret_from_sys_call
nop
+ .size ret_from_fork, . - ret_from_fork
+ .type ret_from_intr,@function
ret_from_intr:
;; Check for resched if preemptive kernel, or if we're going back to
;; user-mode. This test matches the user_regs(regs) macro. Don't simply
@@ -91,9 +94,10 @@ ret_from_intr:
move.d [$acr], $r0
btstq 16, $r0 ; User-mode flag.
bpl _resume_kernel
+ .size ret_from_intr, . - ret_from_intr + 2 ; +2 includes the dslot.
; Note that di below is in delay slot.
-
+ .type _resume_userspace,@function
_resume_userspace:
di ; So need_resched and sigpending don't change.
@@ -107,6 +111,7 @@ _resume_userspace:
nop
ba _Rexit
nop
+ .size _resume_userspace, . - _resume_userspace
;; The system_call is called by a BREAK instruction, which looks pretty
;; much like any other exception.
@@ -122,6 +127,7 @@ _resume_userspace:
;; non-used instructions. Only the non-common cases cause the outlined code
;; to run..
+ .type system_call,@function
system_call:
;; Stack-frame similar to the irq heads, which is reversed in
;; ret_from_sys_call.
@@ -217,7 +223,9 @@ ret_from_sys_call:
and.d _TIF_ALLWORK_MASK, $r1
bne _syscall_exit_work
nop
+ .size system_call, . - system_call
+ .type _Rexit,@function
_Rexit:
;; This epilogue MUST match the prologues in multiple_interrupt, irq.h
;; and ptregs.h.
@@ -234,10 +242,12 @@ _Rexit:
addq 8, $sp ; Skip EXS, EDA.
jump $erp
rfe ; Restore condition code stack in delay-slot.
+ .size _Rexit, . - _Rexit
;; We get here after doing a syscall if extra work might need to be done
;; perform syscall exit tracing if needed.
+ .type _syscall_exit_work,@function
_syscall_exit_work:
;; R0 contains current at this point and irq's are disabled.
@@ -253,14 +263,18 @@ _syscall_exit_work:
move.d $r1, $r9
ba _resume_userspace
nop
+ .size _syscall_exit_work, . - _syscall_exit_work
+ .type _work_pending,@function
_work_pending:
addoq +TI_flags, $r0, $acr
move.d [$acr], $r10
btstq TIF_NEED_RESCHED, $r10 ; Need resched?
bpl _work_notifysig ; No, must be signal/notify.
nop
+ .size _work_pending, . - _work_pending
+ .type _work_resched,@function
_work_resched:
move.d $r9, $r1 ; Preserve R9.
jsr schedule
@@ -276,7 +290,9 @@ _work_resched:
btstq TIF_NEED_RESCHED, $r1
bmi _work_resched ; current->work.need_resched.
nop
+ .size _work_resched, . - _work_resched
+ .type _work_notifysig,@function
_work_notifysig:
;; Deal with pending signals and notify-resume requests.
@@ -288,6 +304,7 @@ _work_notifysig:
ba _Rexit
nop
+ .size _work_notifysig, . - _work_notifysig
;; We get here as a sidetrack when we've entered a syscall with the
;; trace-bit set. We need to call do_syscall_trace and then continue
@@ -329,6 +346,7 @@ _syscall_trace_entry:
;;
;; Returns old current in R10.
+ .type resume,@function
resume:
subq 4, $sp
move $srp, [$sp] ; Keep old/new PC on the stack.
@@ -364,6 +382,7 @@ resume:
move.d [$sp+], $acr
jump $acr ; Restore PC.
nop
+ .size resume, . - resume
nmi_interrupt:
@@ -426,6 +445,7 @@ spurious_interrupt:
;; time. Jump to the first set interrupt bit in a priotiry fashion. The
;; hardware will call the unserved interrupts after the handler
;; finishes.
+ .type multiple_interrupt, @function
multiple_interrupt:
;; This prologue MUST match the one in irq.h and the struct in ptregs.h!
subq 12, $sp ; Skip EXS, EDA.
@@ -458,6 +478,7 @@ multiple_interrupt:
move.d $sp, $r10
jump ret_from_intr
nop
+ .size multiple_interrupt, . - multiple_interrupt
do_sigtrap:
;; Sigtraps the process that executed the BREAK instruction. Creates a
@@ -514,11 +535,13 @@ _ugdb_handle_exception:
move.d [$sp+], $r0 ; Restore R0 in delay slot.
.global kernel_execve
+ .type kernel_execve,@function
kernel_execve:
move.d __NR_execve, $r9
break 13
ret
nop
+ .size kernel_execve, . - kernel_execve
.data