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authorMartin Schwidefsky <schwidefsky@de.ibm.com>2011-05-10 10:10:41 +0200
committerSteven Rostedt <rostedt@goodmis.org>2011-05-16 14:55:57 -0400
commit521ccb5c4aece609311bfa7157910a8f0c942af5 (patch)
tree5312027b1397133c6a63bbc915f0d80b86155798 /scripts
parent07d8b595f367f4604e6027ad4cba33cbe3f55e10 (diff)
downloadvexpress-lsk-521ccb5c4aece609311bfa7157910a8f0c942af5.tar.gz
ftrace/x86: mcount offset calculation
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>
Diffstat (limited to 'scripts')
-rw-r--r--scripts/recordmcount.c2
-rwxr-xr-xscripts/recordmcount.pl2
2 files changed, 4 insertions, 0 deletions
diff --git a/scripts/recordmcount.c b/scripts/recordmcount.c
index 0e18975824f..7648a5d1115 100644
--- a/scripts/recordmcount.c
+++ b/scripts/recordmcount.c
@@ -335,6 +335,7 @@ do_file(char const *const fname)
reltype = R_386_32;
make_nop = make_nop_x86;
ideal_nop = ideal_nop5_x86_32;
+ mcount_adjust_32 = -1;
break;
case EM_ARM: reltype = R_ARM_ABS32;
altmcount = "__gnu_mcount_nc";
@@ -350,6 +351,7 @@ do_file(char const *const fname)
make_nop = make_nop_x86;
ideal_nop = ideal_nop5_x86_64;
reltype = R_X86_64_64;
+ mcount_adjust_64 = -1;
break;
} /* end switch */
diff --git a/scripts/recordmcount.pl b/scripts/recordmcount.pl
index a871cd41405..414e7f5e42e 100755
--- a/scripts/recordmcount.pl
+++ b/scripts/recordmcount.pl
@@ -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";