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ftrace/s390: mcount offset calculation

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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 10:10:43 +02:00
committed by Steven Rostedt
parent 521ccb5c4a
commit f296388682
3 changed files with 9 additions and 5 deletions
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8
scripts/recordmcount.c
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@@ -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;