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authorLinus Torvalds <torvalds@linux-foundation.org>2009-06-12 18:18:05 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-06-12 18:18:05 -0700
commitd645727bdc2aed8e2e0e9496248f735481b5049a (patch)
tree079fa3cf369dbf0dc0663fe1b0a62460c522a8e9 /arch/s390/include/asm/ftrace.h
parentcd166bd0dde265a97dd9aa8e3451a2646d96d04b (diff)
parent310d6b671588dd7695cbc0d09d02e41d94a42bed (diff)
Merge branch 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6
* 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6: (30 commits) [S390] wire up sys_perf_counter_open [S390] wire up sys_rt_tgsigqueueinfo [S390] ftrace: add system call tracer support [S390] ftrace: add function graph tracer support [S390] ftrace: add function trace mcount test support [S390] ftrace: add dynamic ftrace support [S390] kprobes: use probe_kernel_write [S390] maccess: arch specific probe_kernel_write() implementation [S390] maccess: add weak attribute to probe_kernel_write [S390] profile_tick called twice [S390] dasd: forward internal errors to dasd_sleep_on caller [S390] dasd: sync after async probe [S390] dasd: check_characteristics cleanup [S390] dasd: no High Performance FICON in 31-bit mode [S390] dcssblk: revert devt conversion [S390] qdio: fix access beyond ARRAY_SIZE of irq_ptr->{in,out}put_qs [S390] vmalloc: add vmalloc kernel parameter support [S390] uaccess: use might_fault() instead of might_sleep() [S390] 3270: lock dependency fixes [S390] 3270: do not register with tty_register_device ...
Diffstat (limited to 'arch/s390/include/asm/ftrace.h')
-rw-r--r--arch/s390/include/asm/ftrace.h21
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/s390/include/asm/ftrace.h b/arch/s390/include/asm/ftrace.h
index 5a5bc75e19d..96c14a9102b 100644
--- a/arch/s390/include/asm/ftrace.h
+++ b/arch/s390/include/asm/ftrace.h
@@ -2,7 +2,28 @@
#define _ASM_S390_FTRACE_H
#ifndef __ASSEMBLY__
+
extern void _mcount(void);
+extern unsigned long ftrace_dyn_func;
+
+struct dyn_arch_ftrace { };
+
+#define MCOUNT_ADDR ((long)_mcount)
+
+#ifdef CONFIG_64BIT
+#define MCOUNT_OFFSET_RET 18
+#define MCOUNT_INSN_SIZE 24
+#define MCOUNT_OFFSET 14
+#else
+#define MCOUNT_OFFSET_RET 26
+#define MCOUNT_INSN_SIZE 30
+#define MCOUNT_OFFSET 8
#endif
+static inline unsigned long ftrace_call_adjust(unsigned long addr)
+{
+ return addr - MCOUNT_OFFSET;
+}
+
+#endif /* __ASSEMBLY__ */
#endif /* _ASM_S390_FTRACE_H */