1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
|
Index: a/gcc/config/avr32/avr32.c
===================================================================
--- a/gcc/config/avr32/avr32.c (revision 32101)
+++ b/gcc/config/avr32/avr32.c (working copy)
@@ -695,8 +695,7 @@
if (!avr32_const_ok_for_constraint_p (mi_delta, 'I', "Is21")
- || vcall_offset
- || flag_pic)
+ || vcall_offset)
{
fputs ("\tpushm\tlr\n", file);
}
@@ -728,47 +727,23 @@
}
- if ( (!avr32_const_ok_for_constraint_p (mi_delta, 'I', "Is21")
- || vcall_offset)
- && !flag_pic )
+ if (!avr32_const_ok_for_constraint_p (mi_delta, 'I', "Is21")
+ || vcall_offset)
{
fputs ("\tpopm\tlr\n", file);
}
-
- if (flag_pic)
- {
- /* Load the got into lr and then load the pointer
- to the function from the got and put it on the stack.
- We can then call the function and restore lr by issuing
- a doubleword load from the stack. We do not use a popm/ldm
- since it will be treated as a return and might need a flushing
- of the return-stack if available. */
- rtx label = gen_label_rtx ();
- /* Load the got. */
- fputs ("\tlddpc\tlr, 0f\n", file);
- (*targetm.asm_out.internal_label) (file, "L",
- CODE_LABEL_NUMBER (label));
- fputs ("\trsub\tlr, pc\n", file);
- /* Load the function pointer. */
- fputs ("\tld.w\tlr, lr[", file);
- assemble_name (file, XSTR (XEXP (DECL_RTL (function), 0), 0));
- fputs ("@got]\n", file);
- /* Push the function pointer on the stack.*/
- fputs ("\tpushm\tlr\n", file);
- /* Restore the old lr value and load the function pointer into
- pc. */
- fputs ("\tld.d\tlr,sp++\n", file);
- fprintf (file, "\t.align 2\n");
- fprintf (file, "0:\t.long\t.L%d - _GLOBAL_OFFSET_TABLE_\n", CODE_LABEL_NUMBER (label));
- }
- else
- {
- fprintf (file, "\tlddpc\tpc, 0f\n");
- fprintf (file, "\t.align 2\n");
- fputs ("0:\t.long\t", file);
- assemble_name (file, XSTR (XEXP (DECL_RTL (function), 0), 0));
- fputc ('\n', file);
- }
+
+ /* Jump to the function. We assume that we can use an rjmp since the
+ function to jump to is local and probably not too far away from
+ the thunk. If this assumption proves to be wrong we could implement
+ this jump by calculating the offset between the jump source and destination
+ and put this in the constant pool and then perform an add to pc.
+ This would also be legitimate PIC code. But for now we hope that an rjmp
+ will be sufficient...
+ */
+ fputs ("\trjmp\t", file);
+ assemble_name (file, XSTR (XEXP (DECL_RTL (function), 0), 0));
+ fputc ('\n', file);
}
/* Implements target hook vector_mode_supported. */
@@ -1742,7 +1717,7 @@
if (TREE_CODE (*node) != FUNCTION_DECL)
{
warning ("`%s' attribute only applies to functions",
- IDENTIFIER_POINTER (name));
+ IDENTIFIER_POINTER (name));
*no_add_attrs = true;
}
/* FIXME: the argument if any is checked for type attributes; should it
|
