[PARISC] implement standard ENTRY(), END() and ENDPROC()

Use the macros in entry.S

Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>

diff --git a/arch/parisc/kernel/entry.S b/arch/parisc/kernel/entry.S
index 67dda1b..cec6532 100644 (file)
--- a/arch/parisc/kernel/entry.S
+++ b/arch/parisc/kernel/entry.S
@@ -37,6 +37,8 @@
 #include <asm/unistd.h>
 #include <asm/thread_info.h>
 
+#include <linux/linkage.h>
+
 #ifdef CONFIG_64BIT
 #define CMPIB           cmpib,*
 #define CMPB            cmpb,*
@@ -648,13 +650,11 @@
         * the static part of the kernel address space.
         */
 
-       .export fault_vector_20
-
        .text
 
        .align 4096
 
-fault_vector_20:
+ENTRY(fault_vector_20)
        /* First vector is invalid (0) */
        .ascii  "cows can fly"
        .byte 0
@@ -695,14 +695,13 @@ fault_vector_20:
        def             29
        def             30
        def             31
+END(fault_vector_20)
 
 #ifndef CONFIG_64BIT
 
-       .export fault_vector_11
-       
        .align 2048
 
-fault_vector_11:
+ENTRY(fault_vector_11)
        /* First vector is invalid (0) */
        .ascii  "cows can fly"
        .byte 0
@@ -743,6 +742,7 @@ fault_vector_11:
        def             29
        def             30
        def             31
+END(fault_vector_11)
 
 #endif
 
@@ -762,9 +762,8 @@ fault_vector_11:
 #define CLONE_VM 0x100 /* Must agree with <linux/sched.h> */
 #define CLONE_UNTRACED 0x00800000
 
-       .export __kernel_thread, code
        .import do_fork
-__kernel_thread:
+ENTRY(__kernel_thread)
        STREG   %r2, -RP_OFFSET(%r30)
 
        copy    %r30, %r1
@@ -797,6 +796,7 @@ __kernel_thread:
        ldo     -PT_SZ_ALGN(%r30), %r30
        bv      %r0(%r2)
        nop
+ENDPROC(__kernel_thread)
 
        /*
         * Child Returns here
@@ -805,8 +805,7 @@ __kernel_thread:
         * into task save area.
         */
 
-       .export ret_from_kernel_thread
-ret_from_kernel_thread:
+ENTRY(ret_from_kernel_thread)
 
        /* Call schedule_tail first though */
        BL      schedule_tail, %r2
@@ -833,10 +832,10 @@ ret_from_kernel_thread:
        bv      %r0(%r1)
 #endif
        ldi     0, %r26
+ENDPROC(ret_from_kernel_thread)
 
        .import sys_execve, code
-       .export __execve, code
-__execve:
+ENTRY(__execve)
        copy    %r2, %r15
        copy    %r30, %r16
        ldo     PT_SZ_ALGN(%r30), %r30
@@ -856,16 +855,15 @@ __execve:
        copy    %r16, %r30
        bv      %r0(%r2)
        nop
+ENDPROC(__execve)
 
-       .align 4
 
        /*
         * struct task_struct *_switch_to(struct task_struct *prev,
         *      struct task_struct *next)
         *
         * switch kernel stacks and return prev */
-       .export _switch_to, code
-_switch_to:
+ENTRY(_switch_to)
        STREG    %r2, -RP_OFFSET(%r30)
 
        callee_save_float
@@ -890,6 +888,7 @@ _switch_to_ret:
        LDREG   -RP_OFFSET(%r30), %r2
        bv      %r0(%r2)
        copy    %r26, %r28
+ENDPROC(_switch_to)
 
        /*
         * Common rfi return path for interruptions, kernel execve, and
@@ -907,8 +906,7 @@ _switch_to_ret:
 
        .align 4096
 
-       .export syscall_exit_rfi
-syscall_exit_rfi:
+ENTRY(syscall_exit_rfi)
        mfctl   %cr30,%r16
        LDREG   TI_TASK(%r16), %r16     /* thread_info -> task_struct */
        ldo     TASK_REGS(%r16),%r16
@@ -1140,13 +1138,12 @@ intr_extint:
 
        b       do_cpu_irq_mask
        ldo     R%intr_return(%r2), %r2 /* return to intr_return, not here */
+ENDPROC(syscall_exit_rfi)
 
 
        /* Generic interruptions (illegal insn, unaligned, page fault, etc) */
 
-       .export         intr_save, code /* for os_hpmc */
-
-intr_save:
+ENTRY(intr_save)               /* for os_hpmc */
        mfsp    %sr7,%r16
        CMPIB=,n 0,%r16,1f
        get_stack_use_cr30
@@ -1221,6 +1218,7 @@ skip_save_ior:
 
        b               handle_interruption
        ldo             R%intr_check_sig(%r2), %r2
+ENDPROC(intr_save)
 
 
        /*
@@ -1806,9 +1804,7 @@ dtlb_fault:
        LDREG   PT_GR18(\regs),%r18
        .endm
 
-       .export sys_fork_wrapper
-       .export child_return
-sys_fork_wrapper:
+ENTRY(sys_fork_wrapper)
        LDREG   TI_TASK-THREAD_SZ_ALGN-FRAME_SIZE(%r30), %r1
        ldo     TASK_REGS(%r1),%r1
        reg_save %r1
@@ -1845,9 +1841,10 @@ wrapper_exit:
        ldi     __NR_fork,%r20
        bv %r0(%r2)
        STREG   %r20,PT_GR20(%r1)
+ENDPROC(sys_fork_wrapper)
 
        /* Set the return value for the child */
-child_return:
+ENTRY(child_return)
        BL      schedule_tail, %r2
        nop
 
@@ -1855,10 +1852,10 @@ child_return:
        LDREG   TASK_PT_GR19(%r1),%r2
        b       wrapper_exit
        copy    %r0,%r28
+ENDPROC(child_return)
 
-       
-       .export sys_clone_wrapper
-sys_clone_wrapper:
+
+ENTRY(sys_clone_wrapper)
        LDREG   TI_TASK-THREAD_SZ_ALGN-FRAME_SIZE(%r30),%r1
        ldo     TASK_REGS(%r1),%r1      /* get pt regs */
        reg_save %r1
@@ -1879,9 +1876,10 @@ sys_clone_wrapper:
 
        b       wrapper_exit
        LDREG   -RP_OFFSET-FRAME_SIZE(%r30),%r2
+ENDPROC(sys_clone_wrapper)
 
-       .export sys_vfork_wrapper
-sys_vfork_wrapper:
+
+ENTRY(sys_vfork_wrapper)
        LDREG   TI_TASK-THREAD_SZ_ALGN-FRAME_SIZE(%r30),%r1
        ldo     TASK_REGS(%r1),%r1      /* get pt regs */
        reg_save %r1
@@ -1902,6 +1900,7 @@ sys_vfork_wrapper:
 
        b       wrapper_exit
        LDREG   -RP_OFFSET-FRAME_SIZE(%r30),%r2
+ENDPROC(sys_vfork_wrapper)
 
        
        .macro  execve_wrapper execve
@@ -1938,22 +1937,19 @@ error_\execve:
        nop
        .endm
 
-       .export sys_execve_wrapper
        .import sys_execve
-
-sys_execve_wrapper:
+ENTRY(sys_execve_wrapper)
        execve_wrapper sys_execve
+ENDPROC(sys_execve_wrapper)
 
 #ifdef CONFIG_64BIT
-       .export sys32_execve_wrapper
        .import sys32_execve
-
-sys32_execve_wrapper:
+ENTRY(sys32_execve_wrapper)
        execve_wrapper sys32_execve
+ENDPROC(sys32_execve_wrapper)
 #endif
 
-       .export sys_rt_sigreturn_wrapper
-sys_rt_sigreturn_wrapper:
+ENTRY(sys_rt_sigreturn_wrapper)
        LDREG   TI_TASK-THREAD_SZ_ALGN-FRAME_SIZE(%r30),%r26
        ldo     TASK_REGS(%r26),%r26    /* get pt regs */
        /* Don't save regs, we are going to restore them from sigcontext. */
@@ -1981,9 +1977,9 @@ sys_rt_sigreturn_wrapper:
         */
        bv      %r0(%r2)
        LDREG   PT_GR28(%r1),%r28  /* reload original r28 for syscall_exit */
+ENDPROC(sys_rt_sigreturn_wrapper)
 
-       .export sys_sigaltstack_wrapper
-sys_sigaltstack_wrapper:
+ENTRY(sys_sigaltstack_wrapper)
        /* Get the user stack pointer */
        LDREG   TI_TASK-THREAD_SZ_ALGN-FRAME_SIZE(%r30),%r1
        ldo     TASK_REGS(%r1),%r24     /* get pt regs */
@@ -2002,10 +1998,10 @@ sys_sigaltstack_wrapper:
        LDREG   -RP_OFFSET(%r30), %r2
        bv      %r0(%r2)
        nop
+ENDPROC(sys_sigaltstack_wrapper)
 
 #ifdef CONFIG_64BIT
-       .export sys32_sigaltstack_wrapper
-sys32_sigaltstack_wrapper:
+ENTRY(sys32_sigaltstack_wrapper)
        /* Get the user stack pointer */
        LDREG   TI_TASK-THREAD_SZ_ALGN-FRAME_SIZE(%r30),%r24
        LDREG   TASK_PT_GR30(%r24),%r24
@@ -2018,11 +2014,10 @@ sys32_sigaltstack_wrapper:
        LDREG   -RP_OFFSET(%r30), %r2
        bv      %r0(%r2)
        nop
+ENDPROC(sys32_sigaltstack_wrapper)
 #endif
 
-       .export syscall_exit
-syscall_exit:
-
+ENTRY(syscall_exit)
        /* NOTE: HP-UX syscalls also come through here
         * after hpux_syscall_exit fixes up return
         * values. */
@@ -2251,7 +2246,10 @@ syscall_do_resched:
 #endif
        b       syscall_check_bh  /* if resched, we start over again */
        nop
+ENDPROC(syscall_exit)
 
+
+ENTRY(get_register)
        /*
         * get_register is used by the non access tlb miss handlers to
         * copy the value of the general register specified in r8 into
@@ -2262,8 +2260,6 @@ syscall_do_resched:
         * a -1 in it, but that is OK, it just means that we will have
         * to use the slow path instead).
         */
-
-get_register:
        blr     %r8,%r0
        nop
        bv      %r0(%r25)    /* r0 */
@@ -2330,14 +2326,15 @@ get_register:
        copy    %r30,%r1
        bv      %r0(%r25)    /* r31 */
        copy    %r31,%r1
+ENDPROC(get_register)
 
+
+ENTRY(set_register)
        /*
         * set_register is used by the non access tlb miss handlers to
         * copy the value of r1 into the general register specified in
         * r8.
         */
-
-set_register:
        blr     %r8,%r0
        nop
        bv      %r0(%r25)    /* r0 (silly, but it is a place holder) */
@@ -2404,3 +2401,5 @@ set_register:
        copy    %r1,%r30
        bv      %r0(%r25)    /* r31 */
        copy    %r1,%r31
+ENDPROC(set_register)
+

diff --git a/include/asm-parisc/linkage.h b/include/asm-parisc/linkage.h
index 291c2d0..9df3978 100644 (file)
--- a/include/asm-parisc/linkage.h
+++ b/include/asm-parisc/linkage.h
@@ -1,6 +1,18 @@
-#ifndef __ASM_LINKAGE_H
-#define __ASM_LINKAGE_H
-
-/* Nothing to see here... */
+#ifndef __ASM_PARISC_LINKAGE_H
+#define __ASM_PARISC_LINKAGE_H
 
+#ifndef __ALIGN
+#define __ALIGN         .align 4
+#define __ALIGN_STR     ".align 4"
 #endif
+
+/*
+ * In parisc assembly a semicolon marks a comment.
+ * Because of that we use an exclamation mark to seperate independend lines.
+ */
+#define ENTRY(name) \
+       .globl name !\
+       ALIGN !\
+name:
+
+#endif  /* __ASM_PARISC_LINKAGE_H */