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[PATCH v3 03/12] btrace: Add btinfo to instruction interator.


This will serve as the access path to the vector of function segments once
the FUNCTION pointer in struct btrace_insn_iterator is removed.

2017-05-09  Tim Wiederhake  <tim.wiederhake@intel.com>

gdb/ChangeLog:

	* btrace.c (btrace_insn_begin, btrace_insn_end,
	btrace_find_insn_by_number): Add btinfo to iterator.
	* btrace.h (struct btrace_insn_iterator): Add btinfo.

---
 gdb/btrace.c | 3 +++
 gdb/btrace.h | 3 +++
 2 files changed, 6 insertions(+)

diff --git a/gdb/btrace.c b/gdb/btrace.c
index 57788ac..c2d3730 100644
--- a/gdb/btrace.c
+++ b/gdb/btrace.c
@@ -2291,6 +2291,7 @@ btrace_insn_begin (struct btrace_insn_iterator *it,
   if (bfun == NULL)
     error (_("No trace."));
 
+  it->btinfo = btinfo;
   it->function = bfun;
   it->index = 0;
 }
@@ -2316,6 +2317,7 @@ btrace_insn_end (struct btrace_insn_iterator *it,
   if (length > 0)
     length -= 1;
 
+  it->btinfo = btinfo;
   it->function = bfun;
   it->index = length;
 }
@@ -2519,6 +2521,7 @@ btrace_find_insn_by_number (struct btrace_insn_iterator *it,
       break;
     }
 
+  it->btinfo = btinfo;
   it->function = bfun;
   it->index = number - bfun->insn_offset;
   return 1;
diff --git a/gdb/btrace.h b/gdb/btrace.h
index ab739ec..e567ef7 100644
--- a/gdb/btrace.h
+++ b/gdb/btrace.h
@@ -192,6 +192,9 @@ struct btrace_function
 /* A branch trace instruction iterator.  */
 struct btrace_insn_iterator
 {
+  /* The branch trace information for this thread.  Will never be NULL.  */
+  const struct btrace_thread_info *btinfo;
+
   /* The branch trace function segment containing the instruction.
      Will never be NULL.  */
   const struct btrace_function *function;
-- 
2.7.4


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