ftrace/s390: 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>

1 files changed, 6 insertions, 2 deletions

diff --git a/scripts/recordmcount.c b/scripts/recordmcount.c
index 7648a5d11154..ee52cb8e17ad 100644
--- a/scripts/recordmcount.c
+++ b/scripts/recordmcount.c
@@ -368,8 +368,10 @@ do_file(char const *const fname)
                                 "unrecognized ET_REL file: %s\n", fname);
                         fail_file();
                 }
-                if (w2(ehdr->e_machine) == EM_S390)
+                if (w2(ehdr->e_machine) == EM_S390) {
                         reltype = R_390_32;
+                        mcount_adjust_32 = -4;
+                }
                 if (w2(ehdr->e_machine) == EM_MIPS) {
                         reltype = R_MIPS_32;
                         is_fake_mcount32 = MIPS32_is_fake_mcount;
@@ -384,8 +386,10 @@ do_file(char const *const fname)
                                 "unrecognized ET_REL file: %s\n", fname);
                         fail_file();
                 }
-                if (w2(ghdr->e_machine) == EM_S390)
+                if (w2(ghdr->e_machine) == EM_S390) {
                         reltype = R_390_64;
+                        mcount_adjust_64 = -8;
+                }
                 if (w2(ghdr->e_machine) == EM_MIPS) {
                         reltype = R_MIPS_64;
                         Elf64_r_sym = MIPS64_r_sym;