[PATCH] i386: entry.S END/ENDPROC annotations

Annotate i386/kernel/entry.S with END/ENDPROC to assist disassemblers and
other analysis tools.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/arch/i386/kernel/entry.S b/arch/i386/kernel/entry.S
index d4b4ffc9eacb8a4a8f657aa36b7d810b9daeb472..18bddcb8e9e82757042d4813568120257b9bb25f 100644 (file)
--- a/arch/i386/kernel/entry.S
+++ b/arch/i386/kernel/entry.S
@@ -227,6 +227,7 @@ ENTRY(ret_from_fork)
        CFI_ADJUST_CFA_OFFSET -4
        jmp syscall_exit
        CFI_ENDPROC
+END(ret_from_fork)
 
 /*
  * Return to user mode is not as complex as all this looks,
@@ -258,6 +259,7 @@ ENTRY(resume_userspace)
                                        # int/exception return?
        jne work_pending
        jmp restore_all
+END(ret_from_exception)
 
 #ifdef CONFIG_PREEMPT
 ENTRY(resume_kernel)
@@ -272,6 +274,7 @@ need_resched:
        jz restore_all
        call preempt_schedule_irq
        jmp need_resched
+END(resume_kernel)
 #endif
        CFI_ENDPROC
 
@@ -359,6 +362,7 @@ sysenter_past_esp:
        .align 4
        .long 1b,2b
 .popsection
+ENDPROC(sysenter_entry)
 
        # system call handler stub
 ENTRY(system_call)
@@ -459,6 +463,7 @@ ldt_ss:
        CFI_ADJUST_CFA_OFFSET -8
        jmp restore_nocheck
        CFI_ENDPROC
+ENDPROC(system_call)
 
        # perform work that needs to be done immediately before resumption
        ALIGN
@@ -504,6 +509,7 @@ work_notifysig_v86:
        xorl %edx, %edx
        call do_notify_resume
        jmp resume_userspace_sig
+END(work_pending)
 
        # perform syscall exit tracing
        ALIGN
@@ -519,6 +525,7 @@ syscall_trace_entry:
        cmpl $(nr_syscalls), %eax
        jnae syscall_call
        jmp syscall_exit
+END(syscall_trace_entry)
 
        # perform syscall exit tracing
        ALIGN
@@ -532,6 +539,7 @@ syscall_exit_work:
        movl $1, %edx
        call do_syscall_trace
        jmp resume_userspace
+END(syscall_exit_work)
        CFI_ENDPROC
 
        RING0_INT_FRAME                 # can't unwind into user space anyway
@@ -542,10 +550,12 @@ syscall_fault:
        GET_THREAD_INFO(%ebp)
        movl $-EFAULT,PT_EAX(%esp)
        jmp resume_userspace
+END(syscall_fault)
 
 syscall_badsys:
        movl $-ENOSYS,PT_EAX(%esp)
        jmp resume_userspace
+END(syscall_badsys)
        CFI_ENDPROC
 
 #define FIXUP_ESPFIX_STACK \
@@ -581,9 +591,9 @@ syscall_badsys:
 ENTRY(interrupt)
 .text
 
-vector=0
 ENTRY(irq_entries_start)
        RING0_INT_FRAME
+vector=0
 .rept NR_IRQS
        ALIGN
  .if vector
@@ -592,11 +602,16 @@ ENTRY(irq_entries_start)
 1:     pushl $~(vector)
        CFI_ADJUST_CFA_OFFSET 4
        jmp common_interrupt
-.data
+ .previous
        .long 1b
-.text
+ .text
 vector=vector+1
 .endr
+END(irq_entries_start)
+
+.previous
+END(interrupt)
+.previous
 
 /*
  * the CPU automatically disables interrupts when executing an IRQ vector,
@@ -609,6 +624,7 @@ common_interrupt:
        movl %esp,%eax
        call do_IRQ
        jmp ret_from_intr
+ENDPROC(common_interrupt)
        CFI_ENDPROC
 
 #define BUILD_INTERRUPT(name, nr)      \
@@ -621,7 +637,8 @@ ENTRY(name)                         \
        movl %esp,%eax;                 \
        call smp_/**/name;              \
        jmp ret_from_intr;              \
-       CFI_ENDPROC
+       CFI_ENDPROC;                    \
+ENDPROC(name)
 
 /* The include is where all of the SMP etc. interrupts come from */
 #include "entry_arch.h"
@@ -697,6 +714,7 @@ ENTRY(coprocessor_error)
        CFI_ADJUST_CFA_OFFSET 4
        jmp error_code
        CFI_ENDPROC
+END(coprocessor_error)
 
 ENTRY(simd_coprocessor_error)
        RING0_INT_FRAME
@@ -706,6 +724,7 @@ ENTRY(simd_coprocessor_error)
        CFI_ADJUST_CFA_OFFSET 4
        jmp error_code
        CFI_ENDPROC
+END(simd_coprocessor_error)
 
 ENTRY(device_not_available)
        RING0_INT_FRAME
@@ -726,6 +745,7 @@ device_not_available_emulate:
        CFI_ADJUST_CFA_OFFSET -4
        jmp ret_from_exception
        CFI_ENDPROC
+END(device_not_available)
 
 /*
  * Debug traps and NMI can happen at the one SYSENTER instruction
@@ -869,10 +889,12 @@ ENTRY(native_iret)
        .align 4
        .long 1b,iret_exc
 .previous
+END(native_iret)
 
 ENTRY(native_irq_enable_sysexit)
        sti
        sysexit
+END(native_irq_enable_sysexit)
 #endif
 
 KPROBE_ENTRY(int3)
@@ -895,6 +917,7 @@ ENTRY(overflow)
        CFI_ADJUST_CFA_OFFSET 4
        jmp error_code
        CFI_ENDPROC
+END(overflow)
 
 ENTRY(bounds)
        RING0_INT_FRAME
@@ -904,6 +927,7 @@ ENTRY(bounds)
        CFI_ADJUST_CFA_OFFSET 4
        jmp error_code
        CFI_ENDPROC
+END(bounds)
 
 ENTRY(invalid_op)
        RING0_INT_FRAME
@@ -913,6 +937,7 @@ ENTRY(invalid_op)
        CFI_ADJUST_CFA_OFFSET 4
        jmp error_code
        CFI_ENDPROC
+END(invalid_op)
 
 ENTRY(coprocessor_segment_overrun)
        RING0_INT_FRAME
@@ -922,6 +947,7 @@ ENTRY(coprocessor_segment_overrun)
        CFI_ADJUST_CFA_OFFSET 4
        jmp error_code
        CFI_ENDPROC
+END(coprocessor_segment_overrun)
 
 ENTRY(invalid_TSS)
        RING0_EC_FRAME
@@ -929,6 +955,7 @@ ENTRY(invalid_TSS)
        CFI_ADJUST_CFA_OFFSET 4
        jmp error_code
        CFI_ENDPROC
+END(invalid_TSS)
 
 ENTRY(segment_not_present)
        RING0_EC_FRAME
@@ -936,6 +963,7 @@ ENTRY(segment_not_present)
        CFI_ADJUST_CFA_OFFSET 4
        jmp error_code
        CFI_ENDPROC
+END(segment_not_present)
 
 ENTRY(stack_segment)
        RING0_EC_FRAME
@@ -943,6 +971,7 @@ ENTRY(stack_segment)
        CFI_ADJUST_CFA_OFFSET 4
        jmp error_code
        CFI_ENDPROC
+END(stack_segment)
 
 KPROBE_ENTRY(general_protection)
        RING0_EC_FRAME
@@ -958,6 +987,7 @@ ENTRY(alignment_check)
        CFI_ADJUST_CFA_OFFSET 4
        jmp error_code
        CFI_ENDPROC
+END(alignment_check)
 
 ENTRY(divide_error)
        RING0_INT_FRAME
@@ -967,6 +997,7 @@ ENTRY(divide_error)
        CFI_ADJUST_CFA_OFFSET 4
        jmp error_code
        CFI_ENDPROC
+END(divide_error)
 
 #ifdef CONFIG_X86_MCE
 ENTRY(machine_check)
@@ -977,6 +1008,7 @@ ENTRY(machine_check)
        CFI_ADJUST_CFA_OFFSET 4
        jmp error_code
        CFI_ENDPROC
+END(machine_check)
 #endif
 
 ENTRY(spurious_interrupt_bug)
@@ -987,6 +1019,7 @@ ENTRY(spurious_interrupt_bug)
        CFI_ADJUST_CFA_OFFSET 4
        jmp error_code
        CFI_ENDPROC
+END(spurious_interrupt_bug)
 
 ENTRY(kernel_thread_helper)
        pushl $0                # fake return address for unwinder