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record-btrace: optionally indent function call history

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Add a new modifier /c to the "record function-call-history" command to
indent the function name based on its depth in the call stack.

Also reorder the optional fields to have the indentation at the very beginning.
Prefix the insn range (/i modifier) with "inst ".
Prefix the source line (/l modifier) with "at ".
Change the range syntax from "begin-end" to "begin,end" to allow copy&paste to
the "record instruction-history" and "list" commands.

Adjust the respective tests and add new tests for the /c modifier.

2014-01-16  Markus Metzger  <markus.t.metzger@intel.com>

	* record.h (enum record_print_flag)
	<record_print_indent_calls>: New.
	* record.c (get_call_history_modifiers): Recognize /c modifier.
	(_initialize_record): Document /c modifier.
	* record-btrace.c (btrace_call_history): Add btinfo parameter.
	Reorder fields.  Optionally indent the function name.  Update
	all users.
	* NEWS: Announce changes.

testsuite/
	* gdb.btrace/function_call_history.exp: Fix expected field
	order for "record function-call-history".
	Add new tests for "record function-call-history /c".
	* gdb.btrace/exception.cc: New.
	* gdb.btrace/exception.exp: New.
	* gdb.btrace/tailcall.exp: New.
	* gdb.btrace/x86-tailcall.S: New.
	* gdb.btrace/x86-tailcall.c: New.
	* gdb.btrace/unknown_functions.c: New.
	* gdb.btrace/unknown_functions.exp: New.
	* gdb.btrace/Makefile.in (EXECUTABLES): Add new.

doc/
	* gdb.texinfo (Process Record and Replay): Document new /c
	modifier accepted by "record function-call-history".
	Add /i modifier to "record function-call-history" example.
This commit is contained in:
Markus Metzger
2013-04-18 10:58:05 +02:00
parent d0fa75352b
commit 8710b7097e
18 changed files with 772 additions and 41 deletions
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15
gdb/btrace.c
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@ -630,8 +630,10 @@ btrace_compute_ftrace (struct btrace_thread_info *btinfo,
if (begin == NULL)
begin = end;
/* Maintain the function level offset. */
level = min (level, end->level);
/* Maintain the function level offset.
For all but the last block, we do it here. */
if (blk != 0)
level = min (level, end->level);
ftrace_update_insns (end, pc);
ftrace_update_lines (end, pc);
@ -651,6 +653,15 @@ btrace_compute_ftrace (struct btrace_thread_info *btinfo,
}
pc += size;
/* Maintain the function level offset.
For the last block, we do it here to not consider the last
instruction.
Since the last instruction corresponds to the current instruction
and is not really part of the execution history, it shouldn't
affect the level. */
if (blk == 0)
level = min (level, end->level);
}
}