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authorJames Hogan <james.hogan@imgtec.com>2012-10-05 16:27:31 +0100
committerJames Hogan <james.hogan@imgtec.com>2013-03-02 20:09:55 +0000
commit00512bdd4573674d10af1c1d60328b4b0f9dcafd (patch)
tree31f0db0a3ea2887bc6b6bb17dd1e09c508d2f803 /scripts
parent903b20ad6810e05bc5f7cc038257e80463e71001 (diff)
downloadlinux-00512bdd4573674d10af1c1d60328b4b0f9dcafd.tar.gz
metag: ftrace support
Add ftrace support for metag. Signed-off-by: James Hogan <james.hogan@imgtec.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@redhat.com> Reviewed-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'scripts')
-rw-r--r--scripts/recordmcount.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/scripts/recordmcount.c b/scripts/recordmcount.c
index ee52cb8e17a..9c22317778e 100644
--- a/scripts/recordmcount.c
+++ b/scripts/recordmcount.c
@@ -33,6 +33,13 @@
#include <string.h>
#include <unistd.h>
+#ifndef EM_METAG
+/* Remove this when these make it to the standard system elf.h. */
+#define EM_METAG 174
+#define R_METAG_ADDR32 2
+#define R_METAG_NONE 3
+#endif
+
static int fd_map; /* File descriptor for file being modified. */
static int mmap_failed; /* Boolean flag. */
static void *ehdr_curr; /* current ElfXX_Ehdr * for resource cleanup */
@@ -341,6 +348,12 @@ do_file(char const *const fname)
altmcount = "__gnu_mcount_nc";
break;
case EM_IA_64: reltype = R_IA64_IMM64; gpfx = '_'; break;
+ case EM_METAG: reltype = R_METAG_ADDR32;
+ altmcount = "_mcount_wrapper";
+ rel_type_nop = R_METAG_NONE;
+ /* We happen to have the same requirement as MIPS */
+ is_fake_mcount32 = MIPS32_is_fake_mcount;
+ break;
case EM_MIPS: /* reltype: e_class */ gpfx = '_'; break;
case EM_PPC: reltype = R_PPC_ADDR32; gpfx = '_'; break;
case EM_PPC64: reltype = R_PPC64_ADDR64; gpfx = '_'; break;