* aarch64.c: New file.

	* corefile.c (find_call): Call aarch64_find_call for bfd_arch_aarch64.
	* Makefile.am (sources): Add aarch64.c.
	* Makefile.in: Regenerate.

5 files changed, 116 insertions, 3 deletions

diff --git a/gprof/ChangeLog b/gprof/ChangeLog
index 847c75f..aa4c966 100644
--- a/gprof/ChangeLog
+++ b/gprof/ChangeLog
@@ -1,3 +1,10 @@
+2013-05-22  Venkataramanan Kumar  <Venkataramanan.kumar@linaro.org>
+
+	* aarch64.c: New file.
+	* corefile.c (find_call): Call aarch64_find_call for bfd_arch_aarch64.
+	* Makefile.am (sources): Add aarch64.c.
+	* Makefile.in: Regenerate.
+
 For older changes see ChangeLog-2012
 
 Copyright (C) 2013 Free Software Foundation, Inc.
diff --git a/gprof/Makefile.am b/gprof/Makefile.am
index 0540793..97d8c17 100644
--- a/gprof/Makefile.am
+++ b/gprof/Makefile.am
@@ -43,7 +43,7 @@ bin_PROGRAMS = gprof
 sources = basic_blocks.c call_graph.c cg_arcs.c cg_dfn.c \
 	cg_print.c corefile.c gmon_io.c gprof.c hertz.c hist.c source.c \
 	search_list.c symtab.c sym_ids.c utils.c \
-	i386.c alpha.c vax.c tahoe.c sparc.c mips.c
+	i386.c alpha.c vax.c tahoe.c sparc.c mips.c aarch64.c
 gprof_SOURCES = $(sources) flat_bl.c bsd_callg_bl.c fsf_callg_bl.c
 gprof_DEPENDENCIES = ../bfd/libbfd.la ../libiberty/libiberty.a $(LIBINTL_DEP)
 gprof_LDADD = ../bfd/libbfd.la ../libiberty/libiberty.a $(LIBINTL)
diff --git a/gprof/Makefile.in b/gprof/Makefile.in
index c9f828e..3a5bcdc 100644
--- a/gprof/Makefile.in
+++ b/gprof/Makefile.in
@@ -92,7 +92,8 @@ am__objects_1 = basic_blocks.$(OBJEXT) call_graph.$(OBJEXT) \
 	hertz.$(OBJEXT) hist.$(OBJEXT) source.$(OBJEXT) \
 	search_list.$(OBJEXT) symtab.$(OBJEXT) sym_ids.$(OBJEXT) \
 	utils.$(OBJEXT) i386.$(OBJEXT) alpha.$(OBJEXT) vax.$(OBJEXT) \
-	tahoe.$(OBJEXT) sparc.$(OBJEXT) mips.$(OBJEXT)
+	tahoe.$(OBJEXT) sparc.$(OBJEXT) mips.$(OBJEXT) \
+	aarch64.$(OBJEXT)
 am_gprof_OBJECTS = $(am__objects_1) flat_bl.$(OBJEXT) \
 	bsd_callg_bl.$(OBJEXT) fsf_callg_bl.$(OBJEXT)
 gprof_OBJECTS = $(am_gprof_OBJECTS)
@@ -309,7 +310,7 @@ AM_CPPFLAGS = -DDEBUG -I../bfd -I$(srcdir)/../include \
 sources = basic_blocks.c call_graph.c cg_arcs.c cg_dfn.c \
 	cg_print.c corefile.c gmon_io.c gprof.c hertz.c hist.c source.c \
 	search_list.c symtab.c sym_ids.c utils.c \
-	i386.c alpha.c vax.c tahoe.c sparc.c mips.c
+	i386.c alpha.c vax.c tahoe.c sparc.c mips.c aarch64.c
 
 gprof_SOURCES = $(sources) flat_bl.c bsd_callg_bl.c fsf_callg_bl.c
 gprof_DEPENDENCIES = ../bfd/libbfd.la ../libiberty/libiberty.a $(LIBINTL_DEP)
@@ -451,6 +452,7 @@ mostlyclean-compile:
 distclean-compile:
 	-rm -f *.tab.c
 
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/aarch64.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/alpha.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/basic_blocks.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/bsd_callg_bl.Po@am__quote@
diff --git a/gprof/aarch64.c b/gprof/aarch64.c
new file mode 100644
index 0000000..4187d97
--- /dev/null
+++ b/gprof/aarch64.c
@@ -0,0 +1,99 @@
+/* Gprof -c option support for AArch64.
+   Copyright 2013 Linaro Ltd.
+
+   Based upon gprof/i386.c.
+
+   Copyright (c) 1983, 1993, 2001
+   The Regents of the University of California.  All rights reserved.
+
+   Redistribution and use in source and binary forms, with or without
+   modification, are permitted provided that the following conditions
+   are met:
+
+   1.  Redistributions of source code must retain the above copyright
+       notice, this list of conditions and the following disclaimer.
+   2.  Redistributions in binary form must reproduce the above copyright
+       notice, this list of conditions and the following disclaimer in the
+       documentation and/or other materials provided with the distribution.
+   3.  Neither the name of the University nor the names of its contributors
+       may be used to endorse or promote products derived from this software
+       without specific prior written permission.
+
+   THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+   ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+   IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+   ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+   FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+   DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+   OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+   HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+   LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+   OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+   SUCH DAMAGE.  */
+
+#include "gprof.h"
+#include "search_list.h"
+#include "source.h"
+#include "symtab.h"
+#include "cg_arcs.h"
+#include "corefile.h"
+#include "hist.h"
+
+#define BRANCH_MASK    0x7c000000
+#define BRANCH_PATTERN 0x14000000
+
+void aarch64_find_call (Sym *, bfd_vma, bfd_vma);
+
+void
+aarch64_find_call (Sym *parent, bfd_vma p_lowpc, bfd_vma p_highpc)
+{
+  bfd_vma pc, dest_pc, offset;
+  unsigned int insn;
+  Sym *child;
+
+  DBG (CALLDEBUG, printf ("[find_call] %s: 0x%lx to 0x%lx\n",
+			  parent->name, (unsigned long) p_lowpc,
+			  (unsigned long) p_highpc));
+
+  for (pc = p_lowpc; pc < p_highpc; pc += 4)
+    {
+
+      insn = bfd_get_32 (core_bfd, ((unsigned char *) core_text_space
+				    + pc - core_text_sect->vma));
+
+      if ((insn & BRANCH_MASK) == BRANCH_PATTERN)
+	{
+	  DBG (CALLDEBUG,
+	       printf ("[find_call] 0x%lx: bl", (unsigned long) pc));
+
+	  /* Regular pc relative addressing check that this is the
+	     address of a function.  */
+	  offset = (((insn & 0x3ffffff) ^ 0x2000000) - 0x2000000) << 2;
+
+	  dest_pc = pc + offset;
+
+	  if (hist_check_address (dest_pc))
+	    {
+	      child = sym_lookup (&symtab, dest_pc);
+
+	      if (child)
+		{
+		  DBG (CALLDEBUG,
+		       printf ("\tdest_pc=0x%lx, (name=%s, addr=0x%lx)\n",
+			       (unsigned long) dest_pc, child->name,
+			       (unsigned long) child->addr));
+
+		  if (child->addr == dest_pc)
+		    {
+		      /* a hit.  */
+		      arc_add (parent, child, (unsigned long) 0);
+		      continue;
+		    }
+		}
+	    }
+
+	  /* Something funny going on.  */
+	  DBG (CALLDEBUG, printf ("\tbut it's a botch\n"));
+	}
+    }
+}
diff --git a/gprof/corefile.c b/gprof/corefile.c
index 985ea26..0aabbad 100644
--- a/gprof/corefile.c
+++ b/gprof/corefile.c
@@ -54,6 +54,7 @@ extern void vax_find_call   (Sym *, bfd_vma, bfd_vma);
 extern void tahoe_find_call (Sym *, bfd_vma, bfd_vma);
 extern void sparc_find_call (Sym *, bfd_vma, bfd_vma);
 extern void mips_find_call  (Sym *, bfd_vma, bfd_vma);
+extern void aarch64_find_call (Sym *, bfd_vma, bfd_vma);
 
 static void
 parse_error (const char *filename)
@@ -320,6 +321,10 @@ find_call (Sym *parent, bfd_vma p_lowpc, bfd_vma p_highpc)
       mips_find_call (parent, p_lowpc, p_highpc);
       break;
 
+    case bfd_arch_aarch64:
+      aarch64_find_call (parent, p_lowpc, p_highpc);
+      break;
+
     default:
       fprintf (stderr, _("%s: -c not supported on architecture %s\n"),
 	       whoami, bfd_printable_name(core_bfd));