Messages in this thread Patch in this message | | | From | Jamie Iles <> | Subject | [PATCH] recordmcount.pl: add support for __fentry__ | Date | Thu, 31 Oct 2013 15:59:58 +0000 |
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With gcc 4.6.0 the -mfentry feature places the function profiling call at the start of the function. When this is used, the call is to __fentry__ and not mcount.
Based on 48bb5dc6cd9d30fe0d594947563da1f8bd9abada (ftrace: Make recordmcount.c handle __fentry__).
Cc: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Jamie Iles <jamie.iles@oracle.com> --- scripts/recordmcount.pl | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/scripts/recordmcount.pl b/scripts/recordmcount.pl index a674fd5..6460fc68 100755 --- a/scripts/recordmcount.pl +++ b/scripts/recordmcount.pl @@ -214,7 +214,7 @@ $local_regex = "^[0-9a-fA-F]+\\s+t\\s+(\\S+)"; $weak_regex = "^[0-9a-fA-F]+\\s+([wW])\\s+(\\S+)"; $section_regex = "Disassembly of section\\s+(\\S+):"; $function_regex = "^([0-9a-fA-F]+)\\s+<(.*?)>:"; -$mcount_regex = "^\\s*([0-9a-fA-F]+):.*\\smcount\$"; +$mcount_regex = "^\\s*([0-9a-fA-F]+):.*\\s(mcount|__fentry__)\$"; $section_type = '@progbits'; $mcount_adjust = 0; $type = ".long"; -- 1.8.4.2
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