diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 12e6c16be54e8a4f5c451a3315d42a31453107ee..9c07068ba5e5db3caa58992539b566331c8ecd46 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -239,6 +239,7 @@ config PPC
 	select HAVE_NMI				if PERF_EVENTS || (PPC64 && PPC_BOOK3S)
 	select HAVE_OPTPROBES
 	select HAVE_OBJTOOL			if PPC32 || MPROFILE_KERNEL
+	select HAVE_OBJTOOL_MCOUNT		if HAVE_OBJTOOL
 	select HAVE_PERF_EVENTS
 	select HAVE_PERF_EVENTS_NMI		if PPC64
 	select HAVE_PERF_REGS
diff --git a/tools/objtool/arch/powerpc/decode.c b/tools/objtool/arch/powerpc/decode.c
index dcd0975cad6ba81b929d2d28573065f013aa673c..01cade98b49e857507068416970a9ad817adad67 100644
--- a/tools/objtool/arch/powerpc/decode.c
+++ b/tools/objtool/arch/powerpc/decode.c
@@ -9,6 +9,11 @@
 #include <objtool/builtin.h>
 #include <objtool/endianness.h>
 
+int arch_ftrace_match(char *name)
+{
+	return !strcmp(name, "_mcount");
+}
+
 unsigned long arch_dest_reloc_offset(int addend)
 {
 	return addend;
@@ -50,6 +55,17 @@ int arch_decode_instruction(struct objtool_file *file, const struct section *sec
 	typ = INSN_OTHER;
 	imm = 0;
 
+	switch (opcode) {
+	case 18: /* b[l][a] */
+		if ((insn & 3) == 1) /* bl */
+			typ = INSN_CALL;
+
+		imm = insn & 0x3fffffc;
+		if (imm & 0x2000000)
+			imm -= 0x4000000;
+		break;
+	}
+
 	if (opcode == 1)
 		*len = 8;
 	else
diff --git a/tools/objtool/arch/powerpc/include/arch/elf.h b/tools/objtool/arch/powerpc/include/arch/elf.h
index 3c8ebb7d2a6bb83f06328638f1b0b4d540d44f62..73f9ae172fe551f4d9ddf3dda931dddc327de32e 100644
--- a/tools/objtool/arch/powerpc/include/arch/elf.h
+++ b/tools/objtool/arch/powerpc/include/arch/elf.h
@@ -4,5 +4,7 @@
 #define _OBJTOOL_ARCH_ELF
 
 #define R_NONE R_PPC_NONE
+#define R_ABS64 R_PPC64_ADDR64
+#define R_ABS32 R_PPC_ADDR32
 
 #endif /* _OBJTOOL_ARCH_ELF */