3e8f6abf1e
call_graph.c, call_graph.h, cg_arcs.c, cg_arcs.h, cg_dfn.c, cg_dfn.h, cg_print.c, cg_print.h, corefile.c, corefile.h, gmon_io.c, gmon_io.h, gprof.c, gprof.h, hertz.h, hist.c, hist.h, i386.c, mips.c, search_list.c, search_list.h, source.c, source.h, sparc.c, sym_ids.c, sym_ids.h, symtab.c, symtab.h, tahoe.c, utils.c, utils.h, vax.c, gen-c-prog.awk: Convert K&R C to ANSI C.
101 lines
3.2 KiB
C
101 lines
3.2 KiB
C
/*
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* Copyright (c) 1983, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "gprof.h"
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#include "search_list.h"
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#include "source.h"
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#include "symtab.h"
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#include "cg_arcs.h"
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#include "corefile.h"
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#include "hist.h"
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/*
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* opcode of the `callf' instruction
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*/
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#define CALL (0xc0000000)
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void sparc_find_call (Sym *, bfd_vma, bfd_vma);
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void
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sparc_find_call (Sym *parent, bfd_vma p_lowpc, bfd_vma p_highpc)
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{
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bfd_vma pc, dest_pc;
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unsigned int insn;
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Sym *child;
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if (core_text_space == 0)
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{
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return;
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}
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if (p_lowpc < s_lowpc)
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{
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p_lowpc = s_lowpc;
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}
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if (p_highpc > s_highpc)
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{
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p_highpc = s_highpc;
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}
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DBG (CALLDEBUG, printf ("[find_call] %s: 0x%lx to 0x%lx\n",
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parent->name, (unsigned long) p_lowpc,
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(unsigned long) p_highpc));
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for (pc = (p_lowpc + 3) & ~(bfd_vma) 3; pc < p_highpc; pc += 4)
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{
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insn = bfd_get_32 (core_bfd, ((unsigned char *) core_text_space
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+ pc - core_text_sect->vma));
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if (insn & CALL)
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{
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DBG (CALLDEBUG,
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printf ("[find_call] 0x%lx: callf", (unsigned long) pc));
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/*
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* Regular pc relative addressing check that this is the
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* address of a function.
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*/
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dest_pc = pc + (((bfd_signed_vma) (insn & 0x3fffffff)
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^ 0x20000000) - 0x20000000);
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if (dest_pc >= s_lowpc && dest_pc <= s_highpc)
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{
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child = sym_lookup (&symtab, dest_pc);
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DBG (CALLDEBUG,
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printf ("\tdest_pc=0x%lx, (name=%s, addr=0x%lx)\n",
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(unsigned long) dest_pc, child->name,
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(unsigned long) child->addr));
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if (child->addr == dest_pc)
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{
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/* a hit: */
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arc_add (parent, child, (unsigned long) 0);
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continue;
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}
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}
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/*
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* Something funny going on.
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*/
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DBG (CALLDEBUG, printf ("\tbut it's a botch\n"));
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}
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}
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}
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