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30 #include "search_list.h"
37 static Sym indirect_child
;
39 void mips_find_call (Sym
*, bfd_vma
, bfd_vma
);
42 mips_find_call (Sym
*parent
, bfd_vma p_lowpc
, bfd_vma p_highpc
)
48 static bfd_boolean inited
= FALSE
;
53 sym_init (&indirect_child
);
54 indirect_child
.name
= _("<indirect child>");
55 indirect_child
.cg
.prop
.fract
= 1.0;
56 indirect_child
.cg
.cyc
.head
= &indirect_child
;
59 DBG (CALLDEBUG
, printf (_("[find_call] %s: 0x%lx to 0x%lx\n"),
60 parent
->name
, (unsigned long) p_lowpc
,
61 (unsigned long) p_highpc
));
62 for (pc
= p_lowpc
; pc
< p_highpc
; pc
+= 4)
64 op
= bfd_get_32 (core_bfd
, ((unsigned char *)core_text_space
65 + pc
- core_text_sect
->vma
));
66 if ((op
& 0xfc000000) == 0x0c000000)
68 /* This is a "jal" instruction. Check that the destination
69 is the address of a function. */
71 printf (_("[find_call] 0x%lx: jal"), (unsigned long) pc
));
72 offset
= (op
& 0x03ffffff) << 2;
73 dest_pc
= (pc
& ~(bfd_vma
) 0xfffffff) | offset
;
74 if (hist_check_address (dest_pc
))
76 child
= sym_lookup (&symtab
, dest_pc
);
78 printf (" 0x%lx\t; name=%s, addr=0x%lx",
79 (unsigned long) dest_pc
, child
->name
,
80 (unsigned long) child
->addr
));
81 if (child
->addr
== dest_pc
)
83 DBG (CALLDEBUG
, printf ("\n"));
85 arc_add (parent
, child
, (unsigned long) 0);
89 /* Something funny going on. */
90 DBG (CALLDEBUG
, printf ("\tbut it's a botch\n"));
92 else if ((op
& 0xfc00f83f) == 0x0000f809)
94 /* This is a "jalr" instruction (indirect call). */
96 printf (_("[find_call] 0x%lx: jalr\n"), (unsigned long) pc
));
97 arc_add (parent
, &indirect_child
, (unsigned long) 0);
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