2 * Copyright (c) 1983, 1998 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 static Sym indirect_child;
27 void mips_find_call PARAMS ((Sym *, bfd_vma, bfd_vma));
30 mips_find_call (parent, p_lowpc, p_highpc)
39 static bool inited = FALSE;
44 sym_init (&indirect_child);
45 indirect_child.name = _("<indirect child>");
46 indirect_child.cg.prop.fract = 1.0;
47 indirect_child.cg.cyc.head = &indirect_child;
54 if (p_lowpc < s_lowpc)
58 if (p_highpc > s_highpc)
62 DBG (CALLDEBUG, printf (_("[find_call] %s: 0x%lx to 0x%lx\n"),
63 parent->name, (unsigned long) p_lowpc,
64 (unsigned long) p_highpc));
65 for (pc = p_lowpc; pc < p_highpc; pc += 4)
67 op = bfd_get_32 (core_bfd, &((char *)core_text_space)[pc - s_lowpc]);
68 if ((op & 0xfc000000) == 0x0c000000)
70 /* This is a "jal" instruction. Check that the destination
71 is the address of a function. */
73 printf (_("[find_call] 0x%lx: jal"), (unsigned long) pc));
74 offset = (op & 0x03ffffff) << 2;
75 dest_pc = (pc & ~0xfffffff) | offset;
76 if (dest_pc >= s_lowpc && dest_pc <= s_highpc)
78 child = sym_lookup (&symtab, dest_pc);
80 printf (" 0x%lx\t; name=%s, addr=0x%lx",
81 (unsigned long) dest_pc, child->name,
82 (unsigned long) child->addr));
83 if (child->addr == dest_pc)
85 DBG (CALLDEBUG, printf ("\n"));
87 arc_add (parent, child, (unsigned long) 0);
91 /* Something funny going on. */
92 DBG (CALLDEBUG, printf ("\tbut it's a botch\n"));
94 else if ((op & 0xfc00f83f) == 0x0000f809)
96 /* This is a "jalr" instruction (indirect call). */
98 printf (_("[find_call] 0x%lx: jalr\n"), (unsigned long) pc));
99 arc_add (parent, &indirect_child, (unsigned long) 0);