From 193f087d492c566a211d01942c0f6b395f34f2ab Mon Sep 17 00:00:00 2001 From: Greg Ungerer Date: Tue, 7 Jul 2009 15:54:54 +1000 Subject: m68knommu: define arch_has_single_step() and friends Towards adding CONFIG_UTRACE support for non-mmu m68k add arch_has_single_step, and its support functions user_enable_single_step() and user_disable_single_step(). Signed-off-by: Greg Ungerer --- arch/m68k/include/asm/ptrace.h | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'arch/m68k') diff --git a/arch/m68k/include/asm/ptrace.h b/arch/m68k/include/asm/ptrace.h index 8c9194b9854..beb20919587 100644 --- a/arch/m68k/include/asm/ptrace.h +++ b/arch/m68k/include/asm/ptrace.h @@ -82,6 +82,18 @@ struct switch_stack { #define instruction_pointer(regs) ((regs)->pc) #define profile_pc(regs) instruction_pointer(regs) extern void show_regs(struct pt_regs *); + +/* + * These are defined as per linux/ptrace.h. + */ +struct task_struct; + +#ifndef CONFIG_MMU +#define arch_has_single_step() (1) +extern void user_enable_single_step(struct task_struct *); +extern void user_disable_single_step(struct task_struct *); +#endif + #endif /* __KERNEL__ */ #endif /* __ASSEMBLY__ */ #endif /* _M68K_PTRACE_H */ -- cgit v1.2.3 From c23b6538d08c8da5e401b8d7c912b322e8ec9c26 Mon Sep 17 00:00:00 2001 From: Greg Ungerer Date: Tue, 7 Jul 2009 15:32:08 +1000 Subject: m68knommu: add a task_pt_regs() macro Add a task_pt_regs() macro as per the CONFIG_UTRACE requirements. Signed-off-by: Greg Ungerer --- arch/m68k/include/asm/processor.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'arch/m68k') diff --git a/arch/m68k/include/asm/processor.h b/arch/m68k/include/asm/processor.h index 74fd674b15a..cbd3d4751dd 100644 --- a/arch/m68k/include/asm/processor.h +++ b/arch/m68k/include/asm/processor.h @@ -165,6 +165,8 @@ unsigned long get_wchan(struct task_struct *p); eip; }) #define KSTK_ESP(tsk) ((tsk) == current ? rdusp() : (tsk)->thread.usp) +#define task_pt_regs(tsk) ((struct pt_regs *) ((tsk)->thread.esp0)) + #define cpu_relax() barrier() #endif -- cgit v1.2.3 From d6cd1f0c38c9820472fb898cb6fa1b3fc42a85a8 Mon Sep 17 00:00:00 2001 From: Tim Abbott Date: Sun, 18 Oct 2009 13:23:50 -0400 Subject: m68knommu: Make THREAD_SIZE available to assembly files. Signed-off-by: Tim Abbott Cc: Greg Ungerer Signed-off-by: Greg Ungerer --- arch/m68k/include/asm/thread_info_no.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'arch/m68k') diff --git a/arch/m68k/include/asm/thread_info_no.h b/arch/m68k/include/asm/thread_info_no.h index c2bde5e24b0..a6512bfdd01 100644 --- a/arch/m68k/include/asm/thread_info_no.h +++ b/arch/m68k/include/asm/thread_info_no.h @@ -12,8 +12,6 @@ #ifdef __KERNEL__ -#ifndef __ASSEMBLY__ - /* * Size of kernel stack for each process. This must be a power of 2... */ @@ -28,6 +26,8 @@ */ #define THREAD_SIZE (PAGE_SIZE<