From patchwork Tue May 21 14:22:58 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Venkataramanan Kumar X-Patchwork-Id: 17080 Return-Path: X-Original-To: linaro@patches.linaro.org Delivered-To: linaro@patches.linaro.org Received: from mail-qc0-f199.google.com (mail-qc0-f199.google.com [209.85.216.199]) by ip-10-151-82-157.ec2.internal (Postfix) with ESMTPS id EB2FE238F5 for ; Tue, 21 May 2013 14:23:51 +0000 (UTC) Received: by mail-qc0-f199.google.com with SMTP id s1sf856059qcw.2 for ; Tue, 21 May 2013 07:23:01 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=x-beenthere:x-forwarded-to:x-forwarded-for:delivered-to :mime-version:date:message-id:subject:from:to:cc:x-gm-message-state :x-original-sender:x-original-authentication-results:precedence :mailing-list:list-id:x-google-group-id:list-post:list-help :list-archive:list-unsubscribe:content-type; bh=dW0sqyULReHCSQ40RRGQVkY6erapq+b4LUksk0UGFzY=; b=VR62YQy3QbSmuG5poQhmsqMGJ6xPKXpS1mord1Q6pJshAw/JcNb8OVXi7jAbaubmwz 5Pu6i7VQQq4+1F69dn0gTAycRcr27nvaqHrv6eLqMifnYfIvb32D2OWHST0tDrPTybDV Q23oOzGAET9vD+82PpdSmbPgNb020mM/1HMv7ENDBFR8m5LqX2SFcwY4kUj3LBB+JUM+ bDDf0H1M3l8LyBsfgeqXBygFDIu7lVHgWX6IGlBSrA7AupLZn7tFxvE8qQxclfCoyJ2w +T1X9iAMvPv6fFaRmnnraq7kBB+Web1cSZ9R3MvBr0jm0H4cylAsaP5TMEIl13U5h+0Y AEEg== X-Received: by 10.236.142.11 with SMTP id h11mr1400606yhj.55.1369146180901; Tue, 21 May 2013 07:23:00 -0700 (PDT) X-BeenThere: patchwork-forward@linaro.org Received: by 10.49.12.109 with SMTP id x13ls301634qeb.84.gmail; Tue, 21 May 2013 07:23:00 -0700 (PDT) X-Received: by 10.58.50.198 with SMTP id e6mr971935veo.30.1369146180647; Tue, 21 May 2013 07:23:00 -0700 (PDT) Received: from mail-vc0-f175.google.com (mail-vc0-f175.google.com [209.85.220.175]) by mx.google.com with ESMTPS id sy4si1480827vdc.43.2013.05.21.07.23.00 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Tue, 21 May 2013 07:23:00 -0700 (PDT) Received-SPF: neutral (google.com: 209.85.220.175 is neither permitted nor denied by best guess record for domain of patch+caf_=patchwork-forward=linaro.org@linaro.org) client-ip=209.85.220.175; Received: by mail-vc0-f175.google.com with SMTP id hv10so460459vcb.34 for ; Tue, 21 May 2013 07:23:00 -0700 (PDT) X-Received: by 10.220.192.3 with SMTP id do3mr989863vcb.16.1369146180172; Tue, 21 May 2013 07:23:00 -0700 (PDT) X-Forwarded-To: patchwork-forward@linaro.org X-Forwarded-For: patch@linaro.org patchwork-forward@linaro.org Delivered-To: patch@linaro.org Received: by 10.220.126.138 with SMTP id c10csp134467vcs; Tue, 21 May 2013 07:22:59 -0700 (PDT) X-Received: by 10.60.38.102 with SMTP id f6mr1502135oek.137.1369146179291; Tue, 21 May 2013 07:22:59 -0700 (PDT) Received: from mail-ie0-x232.google.com (mail-ie0-x232.google.com [2607:f8b0:4001:c03::232]) by mx.google.com with ESMTPS id g10si1676944obf.172.2013.05.21.07.22.58 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Tue, 21 May 2013 07:22:59 -0700 (PDT) Received-SPF: neutral (google.com: 2607:f8b0:4001:c03::232 is neither permitted nor denied by best guess record for domain of venkataramanan.kumar@linaro.org) client-ip=2607:f8b0:4001:c03::232; Received: by mail-ie0-f178.google.com with SMTP id b11so1716572iee.37 for ; Tue, 21 May 2013 07:22:58 -0700 (PDT) MIME-Version: 1.0 X-Received: by 10.50.6.16 with SMTP id w16mr8223799igw.62.1369146178400; Tue, 21 May 2013 07:22:58 -0700 (PDT) Received: by 10.64.68.38 with HTTP; Tue, 21 May 2013 07:22:58 -0700 (PDT) Date: Tue, 21 May 2013 19:52:58 +0530 Message-ID: Subject: [Patch AArch64] gprof support for AArch64 From: Venkataramanan Kumar To: binutils@sourceware.org Cc: Marcus Shawcroft , Richard Earnshaw , Patch Tracking X-Gm-Message-State: ALoCoQnB6db7t7CTie0qPb/4DA/Yo3SXbXa7OOgsEjmH9qRcqA/TJMmsyA6zjTaYnoathG3B5K+S X-Original-Sender: venkataramanan.kumar@linaro.org X-Original-Authentication-Results: mx.google.com; spf=neutral (google.com: 209.85.220.175 is neither permitted nor denied by best guess record for domain of patch+caf_=patchwork-forward=linaro.org@linaro.org) smtp.mail=patch+caf_=patchwork-forward=linaro.org@linaro.org Precedence: list Mailing-list: list patchwork-forward@linaro.org; contact patchwork-forward+owners@linaro.org List-ID: X-Google-Group-Id: 836684582541 List-Post: , List-Help: , List-Archive: List-Unsubscribe: , Hi Maintainers, The attached patch adds gprof support for aarch64. ChangeLog 2013-05-21 Venkataramanan Kumar * 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. is ok for trunk? regards, Venkat. diff -urN src/gprof/aarch64.c src-patch/gprof/aarch64.c --- src/gprof/aarch64.c 1970-01-01 05:30:00.000000000 +0530 +++ src-patch/gprof/aarch64.c 2013-05-21 17:09:20.559403142 +0530 @@ -0,0 +1,102 @@ +/* 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" + +/* Opcode of the "bl" and "b" instructions. */ +#define BRANCHANDLINK (0x94000000) +#define BRANCH (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 & 0xfc000000) == BRANCHANDLINK) + ||((insn & 0xfc000000) == BRANCH)) + { + 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) << 2) & ((1U << 28) - 1); + + dest_pc = pc + ((offset ^ 0x8000000) - 0x8000000); + + 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 -urN src/gprof/corefile.c src-patch/gprof/corefile.c --- src/gprof/corefile.c 2012-09-20 18:45:48.000000000 +0530 +++ src-patch/gprof/corefile.c 2013-05-21 11:59:02.851672653 +0530 @@ -54,6 +54,7 @@ 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 @@ 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)); diff -urN src/gprof/Makefile.am src-patch/gprof/Makefile.am --- src/gprof/Makefile.am 2012-12-17 22:26:03.000000000 +0530 +++ src-patch/gprof/Makefile.am 2013-05-21 11:59:02.851672653 +0530 @@ -43,7 +43,7 @@ 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 $(LIBINTL) diff -urN src/gprof/Makefile.in src-patch/gprof/Makefile.in --- src/gprof/Makefile.in 2012-12-17 22:26:03.000000000 +0530 +++ src-patch/gprof/Makefile.in 2013-05-21 16:52:49.107417494 +0530 @@ -92,7 +92,8 @@ hertz.$(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 @@ 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 $(LIBINTL_DEP) @@ -451,6 +452,7 @@ distclean-compile: -rm -f *.tab.c +@AMDEP_TRUE@@am__include@ @am__quote@./$(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@