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authorDavid Howells <dhowells@redhat.com>2009-06-11 13:08:37 +0100
committerLinus Torvalds <torvalds@linux-foundation.org>2009-06-11 09:02:20 -0700
commit5d289964e1f1e8a2ec4289274bf15bce6a4f8ab8 (patch)
tree061886f652727e344067fef18ed50446bae84986 /arch/mn10300/include
parentfd4f683d045e053abb093f80d81afce30ceadad2 (diff)
MN10300: Add utrace/tracehooks support
Add utrace/tracehooks support to MN10300. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/mn10300/include')
-rw-r--r--arch/mn10300/include/asm/elf.h3
-rw-r--r--arch/mn10300/include/asm/processor.h8
-rw-r--r--arch/mn10300/include/asm/ptrace.h8
3 files changed, 11 insertions, 8 deletions
diff --git a/arch/mn10300/include/asm/elf.h b/arch/mn10300/include/asm/elf.h
index bf09f8bb392..49105462e6f 100644
--- a/arch/mn10300/include/asm/elf.h
+++ b/arch/mn10300/include/asm/elf.h
@@ -34,7 +34,7 @@
*/
typedef unsigned long elf_greg_t;
-#define ELF_NGREG (sizeof (struct pt_regs) / sizeof(elf_greg_t))
+#define ELF_NGREG ((sizeof(struct pt_regs) / sizeof(elf_greg_t)) - 1)
typedef elf_greg_t elf_gregset_t[ELF_NGREG];
#define ELF_NFPREG 32
@@ -76,6 +76,7 @@ do { \
} while (0)
#define USE_ELF_CORE_DUMP
+#define CORE_DUMP_USE_REGSET
#define ELF_EXEC_PAGESIZE 4096
/*
diff --git a/arch/mn10300/include/asm/processor.h b/arch/mn10300/include/asm/processor.h
index 73239271873..f7d4b0d285e 100644
--- a/arch/mn10300/include/asm/processor.h
+++ b/arch/mn10300/include/asm/processor.h
@@ -143,13 +143,7 @@ extern unsigned long thread_saved_pc(struct task_struct *tsk);
unsigned long get_wchan(struct task_struct *p);
-#define task_pt_regs(task) \
-({ \
- struct pt_regs *__regs__; \
- __regs__ = (struct pt_regs *) (KSTK_TOP(task_stack_page(task)) - 8); \
- __regs__ - 1; \
-})
-
+#define task_pt_regs(task) ((task)->thread.uregs)
#define KSTK_EIP(task) (task_pt_regs(task)->pc)
#define KSTK_ESP(task) (task_pt_regs(task)->sp)
diff --git a/arch/mn10300/include/asm/ptrace.h b/arch/mn10300/include/asm/ptrace.h
index 7b06cc623d8..921942ed1b0 100644
--- a/arch/mn10300/include/asm/ptrace.h
+++ b/arch/mn10300/include/asm/ptrace.h
@@ -91,9 +91,17 @@ extern struct pt_regs *__frame; /* current frame pointer */
#if defined(__KERNEL__)
#if !defined(__ASSEMBLY__)
+struct task_struct;
+
#define user_mode(regs) (((regs)->epsw & EPSW_nSL) == EPSW_nSL)
#define instruction_pointer(regs) ((regs)->pc)
+#define user_stack_pointer(regs) ((regs)->sp)
extern void show_regs(struct pt_regs *);
+
+#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 /* !__ASSEMBLY */
#define profile_pc(regs) ((regs)->pc)