x86, traps: introduce dotraplinkage

Mark the exception handlers with "dotraplinkage" to hide the
calling convention differences between i386 and x86_64.

Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 36 insertions, 37 deletions

diff --git a/include/asm-x86/traps.h b/include/asm-x86/traps.h
index c82c39c..6c3dc2c 100644
--- a/include/asm-x86/traps.h
+++ b/include/asm-x86/traps.h
@@ -3,7 +3,12 @@
 
 #include <asm/debugreg.h>
 
-/* Common in X86_32 and X86_64 */
+#ifdef CONFIG_X86_32
+#define dotraplinkage
+#else
+#define dotraplinkage asmlinkage
+#endif
+
 asmlinkage void divide_error(void);
 asmlinkage void debug(void);
 asmlinkage void nmi(void);
@@ -12,31 +17,47 @@ asmlinkage void overflow(void);
 asmlinkage void bounds(void);
 asmlinkage void invalid_op(void);
 asmlinkage void device_not_available(void);
+#ifdef CONFIG_X86_64
+asmlinkage void double_fault(void);
+#endif
 asmlinkage void coprocessor_segment_overrun(void);
 asmlinkage void invalid_TSS(void);
 asmlinkage void segment_not_present(void);
 asmlinkage void stack_segment(void);
 asmlinkage void general_protection(void);
 asmlinkage void page_fault(void);
+asmlinkage void spurious_interrupt_bug(void);
 asmlinkage void coprocessor_error(void);
-asmlinkage void simd_coprocessor_error(void);
 asmlinkage void alignment_check(void);
-asmlinkage void spurious_interrupt_bug(void);
 #ifdef CONFIG_X86_MCE
 asmlinkage void machine_check(void);
 #endif /* CONFIG_X86_MCE */
+asmlinkage void simd_coprocessor_error(void);
 
-void do_divide_error(struct pt_regs *, long);
-void do_overflow(struct pt_regs *, long);
-void do_bounds(struct pt_regs *, long);
-void do_coprocessor_segment_overrun(struct pt_regs *, long);
-void do_invalid_TSS(struct pt_regs *, long);
-void do_segment_not_present(struct pt_regs *, long);
-void do_stack_segment(struct pt_regs *, long);
-void do_alignment_check(struct pt_regs *, long);
-void do_invalid_op(struct pt_regs *, long);
-void do_general_protection(struct pt_regs *, long);
-void do_nmi(struct pt_regs *, long);
+dotraplinkage void do_divide_error(struct pt_regs *, long);
+dotraplinkage void do_debug(struct pt_regs *, long);
+dotraplinkage void do_nmi(struct pt_regs *, long);
+dotraplinkage void do_int3(struct pt_regs *, long);
+dotraplinkage void do_overflow(struct pt_regs *, long);
+dotraplinkage void do_bounds(struct pt_regs *, long);
+dotraplinkage void do_invalid_op(struct pt_regs *, long);
+dotraplinkage void do_device_not_available(struct pt_regs *, long);
+dotraplinkage void do_coprocessor_segment_overrun(struct pt_regs *, long);
+dotraplinkage void do_invalid_TSS(struct pt_regs *, long);
+dotraplinkage void do_segment_not_present(struct pt_regs *, long);
+dotraplinkage void do_stack_segment(struct pt_regs *, long);
+dotraplinkage void do_general_protection(struct pt_regs *, long);
+dotraplinkage void do_page_fault(struct pt_regs *, unsigned long);
+dotraplinkage void do_spurious_interrupt_bug(struct pt_regs *, long);
+dotraplinkage void do_coprocessor_error(struct pt_regs *, long);
+dotraplinkage void do_alignment_check(struct pt_regs *, long);
+#ifdef CONFIG_X86_MCE
+dotraplinkage void do_machine_check(struct pt_regs *, long);
+#endif
+dotraplinkage void do_simd_coprocessor_error(struct pt_regs *, long);
+#ifdef CONFIG_X86_32
+dotraplinkage void do_iret_error(struct pt_regs *, long);
+#endif
 
 static inline int get_si_code(unsigned long condition)
 {
@@ -52,31 +73,9 @@ extern int panic_on_unrecovered_nmi;
 extern int kstack_depth_to_print;
 
 #ifdef CONFIG_X86_32
-
-void do_iret_error(struct pt_regs *, long);
-void do_int3(struct pt_regs *, long);
-void do_debug(struct pt_regs *, long);
 void math_error(void __user *);
-void do_coprocessor_error(struct pt_regs *, long);
-void do_simd_coprocessor_error(struct pt_regs *, long);
-void do_spurious_interrupt_bug(struct pt_regs *, long);
 unsigned long patch_espfix_desc(unsigned long, unsigned long);
 asmlinkage void math_emulate(long);
+#endif
 
-void do_page_fault(struct pt_regs *regs, unsigned long error_code);
-
-#else /* CONFIG_X86_32 */
-
-asmlinkage void double_fault(void);
-
-asmlinkage void do_int3(struct pt_regs *, long);
-asmlinkage void do_stack_segment(struct pt_regs *, long);
-asmlinkage void do_debug(struct pt_regs *, unsigned long);
-asmlinkage void do_coprocessor_error(struct pt_regs *, long);
-asmlinkage void do_simd_coprocessor_error(struct pt_regs *, long);
-asmlinkage void do_spurious_interrupt_bug(struct pt_regs *, long);
-
-asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long error_code);
-
-#endif /* CONFIG_X86_32 */
 #endif /* ASM_X86__TRAPS_H */