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.
25 int i386_iscall PARAMS ((unsigned char *));
26 void i386_find_call PARAMS ((Sym *, bfd_vma, bfd_vma));
39 i386_find_call (parent, p_lowpc, p_highpc)
44 unsigned char *instructp;
46 bfd_vma destpc, delta;
48 if (core_text_space == 0)
52 if (p_lowpc < s_lowpc)
56 if (p_highpc > s_highpc)
60 DBG (CALLDEBUG, printf ("[findcall] %s: 0x%lx to 0x%lx\n",
61 parent->name, (unsigned long) p_lowpc,
62 (unsigned long) p_highpc));
64 delta = (bfd_vma) core_text_space - core_text_sect->vma;
66 for (instructp = (unsigned char *) (p_lowpc + delta);
67 instructp < (unsigned char *) (p_highpc + delta);
70 if (i386_iscall (instructp))
73 printf ("[findcall]\t0x%lx:call",
74 (unsigned long) (instructp - (unsigned char *) delta)));
76 * regular pc relative addressing
77 * check that this is the address of
81 destpc = ((bfd_vma) bfd_get_32 (core_bfd, instructp + 1)
82 + (bfd_vma) instructp - (bfd_vma) delta + 5);
83 if (destpc >= s_lowpc && destpc <= s_highpc)
85 child = sym_lookup (&symtab, destpc);
86 if (child && child->addr == destpc)
92 printf ("\tdestpc 0x%lx (%s)\n",
93 (unsigned long) destpc, child->name));
94 arc_add (parent, child, (unsigned long) 0);
95 instructp += 4; /* call is a 5 byte instruction */
101 * it looked like a callf, but it:
102 * a) wasn't actually a callf, or
103 * b) didn't point to a known function in the symtab, or
104 * c) something funny is going on.
106 DBG (CALLDEBUG, printf ("\tbut it's a botch\n"));