/*
- * Copyright (c) 1983 Regents of the University of California.
- * All rights reserved.
+ * Copyright (c) 1983, 1993
+ * 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 "core.h"
+#include "corefile.h"
#include "hist.h"
-#include "symtab.h"
+ /*
+ * opcode of the `callf' instruction
+ */
+#define CALL (0xc0000000)
+
+void sparc_find_call (Sym *, bfd_vma, bfd_vma);
void
-find_call(parent, p_lowpc, p_highpc)
- Sym *parent;
- bfd_vma p_lowpc;
- bfd_vma p_highpc;
+sparc_find_call (Sym *parent, bfd_vma p_lowpc, bfd_vma p_highpc)
{
- bfd_vma dest_pc, delta;
- unsigned int *instr;
- Sym *child;
-
- delta = (bfd_vma) core_text_space - core_text_sect->vma;
-
- if (core_text_space == 0) {
- return;
- } /* if */
- if (p_lowpc < s_lowpc) {
- p_lowpc = s_lowpc;
- } /* if */
- if (p_highpc > s_highpc) {
- p_highpc = s_highpc;
- } /* if */
- DBG(CALLDEBUG, printf("[find_call] %s: 0x%lx to 0x%lx\n",
- parent->name, p_lowpc, p_highpc));
- for (instr = (unsigned int*)(p_lowpc + delta);
- instr < (unsigned int*)(p_highpc + delta);
- ++instr)
+ bfd_vma pc, dest_pc;
+ 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 + 3) & ~(bfd_vma) 3; pc < p_highpc; pc += 4)
{
- if ((*instr & CALL)) {
- DBG(CALLDEBUG,
- printf("[find_call] 0x%lx: callf", (bfd_vma) instr - delta));
- /*
- * Regular pc relative addressing check that this is the
- * address of a function.
- */
- dest_pc = ((bfd_vma) (instr + (*instr & ~CALL))) - delta;
- if (dest_pc >= s_lowpc && dest_pc <= s_highpc) {
- child = sym_lookup(&symtab, dest_pc);
- DBG(CALLDEBUG,
- printf("\tdest_pc=0x%lx, (name=%s, addr=0x%lx)\n",
- dest_pc, child->name, child->addr));
- if (child->addr == dest_pc) {
- /* a hit: */
- arc_add(parent, child, 0);
- continue;
- } /* if */
- } /* if */
- /*
- * Something funny going on.
- */
- DBG(CALLDEBUG, printf("\tbut it's a botch\n"));
- } /* if */
- } /* for */
-} /* find_call */
- /*** end of sparc.c ***/
+ insn = bfd_get_32 (core_bfd, ((unsigned char *) core_text_space
+ + pc - core_text_sect->vma));
+ if (insn & CALL)
+ {
+ DBG (CALLDEBUG,
+ printf ("[find_call] 0x%lx: callf", (unsigned long) pc));
+ /*
+ * Regular pc relative addressing check that this is the
+ * address of a function.
+ */
+ dest_pc = pc + (((bfd_signed_vma) (insn & 0x3fffffff)
+ ^ 0x20000000) - 0x20000000);
+ 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"));
+ }
+ }
+}
projects / deliverable / binutils-gdb.git / blobdiff