forge/linux-pinenote
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

ftrace/x86: mcount offset calculation

Browse source 
Do the mcount offset adjustment in the recordmcount.pl/recordmcount.[ch]
at compile time and not in ftrace_call_adjust at run time.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
This commit is contained in:
Martin Schwidefsky 2011-05-10 10:10:41 +02:00 • committed by Steven Rostedt
parent 07d8b595f3
commit 521ccb5c4a
3 changed files with 7 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

2
scripts/recordmcount.pl
View file

@ -223,6 +223,7 @@ if ($arch eq "x86_64") {
$mcount_regex = "^\\s*([0-9a-fA-F]+):.*\\smcount([+-]0x[0-9a-zA-Z]+)?\$";
$type = ".quad";
$alignment = 8;
$mcount_adjust = -1;
# force flags for this arch
$ld .= " -m elf_x86_64";
@ -232,6 +233,7 @@ if ($arch eq "x86_64") {
} elsif ($arch eq "i386") {
$alignment = 4;
$mcount_adjust = -1;
# force flags for this arch
$ld .= " -m elf_i386";