2 * Copyright (c) 1983, 2001 Regents of the University of California.
5 * Redistribution and use in source and binary forms are permitted
6 * provided that: (1) source distributions retain this entire copyright
7 * notice and comment, and (2) distributions including binaries display
8 * the following acknowledgement: ``This product includes software
9 * developed by the University of California, Berkeley and its contributors''
10 * in the documentation or other materials provided with the distribution
11 * and in all advertising materials mentioning features or use of this
12 * software. Neither the name of the University nor the names of its
13 * contributors may be used to endorse or promote products derived
14 * from this software without specific prior written permission.
15 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
17 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
20 #include "search_list.h"
27 static int i386_iscall PARAMS ((unsigned char *));
28 void i386_find_call PARAMS ((Sym *, bfd_vma, bfd_vma));
41 i386_find_call (parent, p_lowpc, p_highpc)
46 unsigned char *instructp;
50 if (core_text_space == 0)
54 if (p_lowpc < s_lowpc)
58 if (p_highpc > s_highpc)
62 DBG (CALLDEBUG, printf ("[findcall] %s: 0x%lx to 0x%lx\n",
63 parent->name, (unsigned long) p_lowpc,
64 (unsigned long) p_highpc));
66 for (pc = p_lowpc; pc < p_highpc; ++pc)
68 instructp = (unsigned char *) core_text_space + pc - core_text_sect->vma;
69 if (i386_iscall (instructp))
72 printf ("[findcall]\t0x%lx:call", (unsigned long) pc));
74 * regular pc relative addressing
75 * check that this is the address of
79 destpc = bfd_get_32 (core_bfd, instructp + 1) + pc + 5;
80 if (destpc >= s_lowpc && destpc <= s_highpc)
82 child = sym_lookup (&symtab, destpc);
83 if (child && child->addr == destpc)
89 printf ("\tdestpc 0x%lx (%s)\n",
90 (unsigned long) destpc, child->name));
91 arc_add (parent, child, (unsigned long) 0);
92 instructp += 4; /* call is a 5 byte instruction */
98 * it looked like a callf, but it:
99 * a) wasn't actually a callf, or
100 * b) didn't point to a known function in the symtab, or
101 * c) something funny is going on.
103 DBG (CALLDEBUG, printf ("\tbut it's a botch\n"));