2 * Copyright (c) 1983, 1993
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30 #include "search_list.h"
38 * opcode of the `callf' instruction
40 #define CALL (0xc0000000)
42 void sparc_find_call PARAMS ((Sym *, bfd_vma, bfd_vma));
45 sparc_find_call (parent, p_lowpc, p_highpc)
54 if (core_text_space == 0)
58 if (p_lowpc < s_lowpc)
62 if (p_highpc > s_highpc)
66 DBG (CALLDEBUG, printf ("[find_call] %s: 0x%lx to 0x%lx\n",
67 parent->name, (unsigned long) p_lowpc,
68 (unsigned long) p_highpc));
69 for (pc = (p_lowpc + 3) & ~(bfd_vma) 3; pc < p_highpc; pc += 4)
71 insn = bfd_get_32 (core_bfd, ((unsigned char *) core_text_space
72 + pc - core_text_sect->vma));
76 printf ("[find_call] 0x%lx: callf", (unsigned long) pc));
78 * Regular pc relative addressing check that this is the
79 * address of a function.
81 dest_pc = pc + (((bfd_signed_vma) (insn & 0x3fffffff)
82 ^ 0x20000000) - 0x20000000);
83 if (dest_pc >= s_lowpc && dest_pc <= s_highpc)
85 child = sym_lookup (&symtab, dest_pc);
87 printf ("\tdest_pc=0x%lx, (name=%s, addr=0x%lx)\n",
88 (unsigned long) dest_pc, child->name,
89 (unsigned long) child->addr));
90 if (child->addr == dest_pc)
93 arc_add (parent, child, (unsigned long) 0);
98 * Something funny going on.
100 DBG (CALLDEBUG, printf ("\tbut it's a botch\n"));