X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gprof%2Fi386.c;h=bdf8bd1b83206db11f203303224d456a1d86f053;hb=28ce7b07473c33f2e4e380a861973d68ffe8017f;hp=760d5516fe8fd75b55bb730b8b865e48f777382a;hpb=27e232885db363fb545fd2f450e72d929e59b8f6;p=deliverable%2Fbinutils-gdb.git diff --git a/gprof/i386.c b/gprof/i386.c index 760d5516fe..bdf8bd1b83 100644 --- a/gprof/i386.c +++ b/gprof/i386.c @@ -1,30 +1,44 @@ /* - * Copyright (c) 1983 Regents of the University of California. - * All rights reserved. + * Copyright (c) 1983, 1993, 2001 + * The Regents of the University of California. All rights reserved. * - * Redistribution and use in source and binary forms are permitted - * provided that: (1) source distributions retain this entire copyright - * notice and comment, and (2) distributions including binaries display - * the following acknowledgement: ``This product includes software - * developed by the University of California, Berkeley and its contributors'' - * in the documentation or other materials provided with the distribution - * and in all advertising materials mentioning features or use of this - * software. 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 ``AS IS'' AND WITHOUT ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED - * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. + * 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" -#include "symtab.h" +static int i386_iscall (unsigned char *); +void i386_find_call (Sym *, bfd_vma, bfd_vma); -int -DEFUN (i386_iscall, (ip), unsigned char *ip) +static int +i386_iscall (unsigned char *ip) { if (*ip == 0xe8) return 1; @@ -33,51 +47,31 @@ DEFUN (i386_iscall, (ip), unsigned char *ip) void -i386_find_call (parent, p_lowpc, p_highpc) - Sym *parent; - bfd_vma p_lowpc; - bfd_vma p_highpc; +i386_find_call (Sym *parent, bfd_vma p_lowpc, bfd_vma p_highpc) { unsigned char *instructp; Sym *child; - bfd_vma destpc, delta; + bfd_vma pc, destpc; - if (core_text_space == 0) - { - return; - } - if (p_lowpc < s_lowpc) - { - p_lowpc = s_lowpc; - } - if (p_highpc > s_highpc) - { - p_highpc = s_highpc; - } DBG (CALLDEBUG, printf ("[findcall] %s: 0x%lx to 0x%lx\n", parent->name, (unsigned long) p_lowpc, (unsigned long) p_highpc)); - delta = (bfd_vma) core_text_space - core_text_sect->vma; - - for (instructp = (unsigned char *) (p_lowpc + delta); - instructp < (unsigned char *) (p_highpc + delta); - instructp ++) + for (pc = p_lowpc; pc < p_highpc; ++pc) { + instructp = (unsigned char *) core_text_space + pc - core_text_sect->vma; if (i386_iscall (instructp)) { DBG (CALLDEBUG, - printf ("[findcall]\t0x%lx:call", - (unsigned long) (instructp - (unsigned char *) delta))); + printf ("[findcall]\t0x%lx:call", (unsigned long) pc)); /* * regular pc relative addressing - * check that this is the address of + * check that this is the address of * a function. */ - destpc = ((bfd_vma) bfd_get_32 (core_bfd, instructp + 1) - + (bfd_vma) instructp - (bfd_vma) delta + 5); - if (destpc >= s_lowpc && destpc <= s_highpc) + destpc = bfd_get_32 (core_bfd, instructp + 1) + pc + 5; + if (hist_check_address (destpc)) { child = sym_lookup (&symtab, destpc); if (child && child->addr == destpc)