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authorLinus Torvalds <torvalds@linux-foundation.org>2009-01-26 10:33:01 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-01-26 10:33:01 -0800
commitac3d266bf1bbbdd7efb6bd6760f2ee29e43bb132 (patch)
treed498e947176f4b77938034ff6c6427f9875da721 /arch/m68k/include/asm/ptrace_mm.h
parent9f4863b7dc7f545bb3a01746feafdc1208e86c89 (diff)
parent49148020bcb6910ce71417bd990a5ce7017f9bd3 (diff)
downloadlwn-ac3d266bf1bbbdd7efb6bd6760f2ee29e43bb132.tar.gz
lwn-ac3d266bf1bbbdd7efb6bd6760f2ee29e43bb132.zip
Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu: m68k,m68knommu: merge header files Resolve trivial conflict in arch/m68knommu/include/asm/Kbuild
Diffstat (limited to 'arch/m68k/include/asm/ptrace_mm.h')
-rw-r--r--arch/m68k/include/asm/ptrace_mm.h80
1 files changed, 80 insertions, 0 deletions
diff --git a/arch/m68k/include/asm/ptrace_mm.h b/arch/m68k/include/asm/ptrace_mm.h
new file mode 100644
index 000000000000..57e763d79bf4
--- /dev/null
+++ b/arch/m68k/include/asm/ptrace_mm.h
@@ -0,0 +1,80 @@
+#ifndef _M68K_PTRACE_H
+#define _M68K_PTRACE_H
+
+#define PT_D1 0
+#define PT_D2 1
+#define PT_D3 2
+#define PT_D4 3
+#define PT_D5 4
+#define PT_D6 5
+#define PT_D7 6
+#define PT_A0 7
+#define PT_A1 8
+#define PT_A2 9
+#define PT_A3 10
+#define PT_A4 11
+#define PT_A5 12
+#define PT_A6 13
+#define PT_D0 14
+#define PT_USP 15
+#define PT_ORIG_D0 16
+#define PT_SR 17
+#define PT_PC 18
+
+#ifndef __ASSEMBLY__
+
+/* this struct defines the way the registers are stored on the
+ stack during a system call. */
+
+struct pt_regs {
+ long d1;
+ long d2;
+ long d3;
+ long d4;
+ long d5;
+ long a0;
+ long a1;
+ long a2;
+ long d0;
+ long orig_d0;
+ long stkadj;
+ unsigned short sr;
+ unsigned long pc;
+ unsigned format : 4; /* frame format specifier */
+ unsigned vector : 12; /* vector offset */
+};
+
+/*
+ * This is the extended stack used by signal handlers and the context
+ * switcher: it's pushed after the normal "struct pt_regs".
+ */
+struct switch_stack {
+ unsigned long d6;
+ unsigned long d7;
+ unsigned long a3;
+ unsigned long a4;
+ unsigned long a5;
+ unsigned long a6;
+ unsigned long retpc;
+};
+
+/* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */
+#define PTRACE_GETREGS 12
+#define PTRACE_SETREGS 13
+#define PTRACE_GETFPREGS 14
+#define PTRACE_SETFPREGS 15
+
+#ifdef __KERNEL__
+
+#ifndef PS_S
+#define PS_S (0x2000)
+#define PS_M (0x1000)
+#endif
+
+#define user_mode(regs) (!((regs)->sr & PS_S))
+#define instruction_pointer(regs) ((regs)->pc)
+#define profile_pc(regs) instruction_pointer(regs)
+extern void show_regs(struct pt_regs *);
+#endif /* __KERNEL__ */
+#endif /* __ASSEMBLY__ */
+#endif /* _M68K_PTRACE_H */