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authorMarkus Metzger <markus.t.metzger@intel.com>2008-01-30 13:31:20 +0100
committerIngo Molnar <mingo@elte.hu>2008-01-30 13:31:20 +0100
commite4811f2568c55e595a7bf15a3b9aba863b31fb94 (patch)
tree3ec3065b06cb5e083ff39b56d242b27e897a4b80 /include
parent3c68904fee1459b6d51040864e15d19098eedef7 (diff)
x86, ptrace: change BTS GET ptrace interface
Change the ptrace interface to mimick an array from newst to oldest. Signed-off-by: Markus Metzger <markus.t.metzger@intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include')
-rw-r--r--include/asm-x86/ptrace-abi.h17
1 files changed, 6 insertions, 11 deletions
diff --git a/include/asm-x86/ptrace-abi.h b/include/asm-x86/ptrace-abi.h
index 6fadc5214e1..b473ad45e9c 100644
--- a/include/asm-x86/ptrace-abi.h
+++ b/include/asm-x86/ptrace-abi.h
@@ -99,32 +99,27 @@
ENXIO........no buffer allocated */
#define PTRACE_BTS_GET_BUFFER_SIZE 42
-/* Return the index of the next bts record to be written,
- if successful; -1, otherwise.
- EOPNOTSUPP...processor does not support bts tracing
- ENXIO........no buffer allocated
- After the first warp-around, this is the start of the circular bts buffer. */
-#define PTRACE_BTS_GET_INDEX 43
-
-/* Read the DATA'th bts record into a ptrace_bts_record buffer provided in ADDR.
+/* Read the DATA'th bts record into a ptrace_bts_record buffer
+ provided in ADDR.
+ Records are ordered from newest to oldest.
Return 0, if successful; -1, otherwise
EOPNOTSUPP...processor does not support bts tracing
ENXIO........no buffer allocated
EINVAL.......invalid index */
-#define PTRACE_BTS_READ_RECORD 44
+#define PTRACE_BTS_READ_RECORD 43
/* Configure last branch trace; the configuration is given as a bit-mask of
PTRACE_BTS_O_* options in DATA; parameter ADDR is ignored.
Return 0, if successful; -1, otherwise
EOPNOTSUPP...processor does not support bts tracing
ENXIO........no buffer allocated */
-#define PTRACE_BTS_CONFIG 45
+#define PTRACE_BTS_CONFIG 44
/* Return the configuration as bit-mask of PTRACE_BTS_O_* options
if successful; -1, otherwise.
EOPNOTSUPP...processor does not support bts tracing
ENXIO........no buffer allocated */
-#define PTRACE_BTS_STATUS 46
+#define PTRACE_BTS_STATUS 45
/* Trace configuration options */
/* Collect last branch trace */