2 * Copyright (c) 1983, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
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30 #include "search_list.h"
38 * opcode of the `callf' instruction
40 #define CALL (0xc0000000)
42 void sparc_find_call (Sym
*, bfd_vma
, bfd_vma
);
45 sparc_find_call (Sym
*parent
, bfd_vma p_lowpc
, bfd_vma p_highpc
)
51 DBG (CALLDEBUG
, printf ("[find_call] %s: 0x%lx to 0x%lx\n",
52 parent
->name
, (unsigned long) p_lowpc
,
53 (unsigned long) p_highpc
));
54 for (pc
= (p_lowpc
+ 3) & ~(bfd_vma
) 3; pc
< p_highpc
; pc
+= 4)
56 insn
= bfd_get_32 (core_bfd
, ((unsigned char *) core_text_space
57 + pc
- core_text_sect
->vma
));
61 printf ("[find_call] 0x%lx: callf", (unsigned long) pc
));
63 * Regular pc relative addressing check that this is the
64 * address of a function.
66 dest_pc
= pc
+ (((bfd_signed_vma
) (insn
& 0x3fffffff)
67 ^ 0x20000000) - 0x20000000);
68 if (hist_check_address (dest_pc
))
70 child
= sym_lookup (&symtab
, dest_pc
);
74 printf ("\tdest_pc=0x%lx, (name=%s, addr=0x%lx)\n",
75 (unsigned long) dest_pc
, child
->name
,
76 (unsigned long) child
->addr
));
77 if (child
->addr
== dest_pc
)
80 arc_add (parent
, child
, (unsigned long) 0);
86 * Something funny going on.
88 DBG (CALLDEBUG
, printf ("\tbut it's a botch\n"));
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