2 * Copyright (c) 1983 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.
27 DEFUN (i386_iscall, (ip), unsigned char *ip)
36 i386_find_call (parent, p_lowpc, p_highpc)
41 unsigned char *instructp;
43 bfd_vma destpc, delta;
45 if (core_text_space == 0)
49 if (p_lowpc < s_lowpc)
53 if (p_highpc > s_highpc)
57 DBG (CALLDEBUG, printf ("[findcall] %s: 0x%lx to 0x%lx\n",
58 parent->name, (unsigned long) p_lowpc,
59 (unsigned long) p_highpc));
61 delta = (bfd_vma) core_text_space - core_text_sect->vma;
63 for (instructp = (unsigned char *) (p_lowpc + delta);
64 instructp < (unsigned char *) (p_highpc + delta);
67 if (i386_iscall (instructp))
70 printf ("[findcall]\t0x%lx:call",
71 (unsigned long) (instructp - (unsigned char *) delta)));
73 * regular pc relative addressing
74 * check that this is the address of
78 destpc = ((bfd_vma) bfd_get_32 (core_bfd, instructp + 1)
79 + (bfd_vma) instructp - (bfd_vma) delta + 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"));