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* dwarf.c (add64): New function. 

(read_and_display_attr_value): Add CU offset in to the value
	displayed for a DW_AT_ref8 attribute.
This commit is contained in:
Nick Clifton 2013-10-09 14:06:00 +00:00
parent 40135bb14b
commit a69c4772a4
2 changed files with 39 additions and 3 deletions
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6
binutils/ChangeLog
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@ -1,3 +1,9 @@
2013-10-09 Nick Clifton <nickc@redhat.com>
* dwarf.c (add64): New function.
(read_and_display_attr_value): Add CU offset in to the value
displayed for a DW_AT_ref8 attribute.
2013-10-01 Cory Fields <cory@coryfields.com>
* arsup.c (ar_save): Respect the deterministic setting when

36
binutils/dwarf.c
View File

@ -1425,6 +1425,34 @@ find_cu_tu_set_v2 (dwarf_vma cu_offset, int do_types)
return NULL;
}
/* Add INC to HIGH_BITS:LOW_BITS. */
static void
add64 (dwarf_vma * high_bits, dwarf_vma * low_bits, dwarf_vma inc)
{
dwarf_vma tmp = * low_bits;
tmp += inc;
/* FIXME: There is probably a better way of handling this:
We need to cope with dwarf_vma being a 32-bit or 64-bit
type. Plus regardless of its size LOW_BITS is meant to
only hold 32-bits, so if there is overflow or wrap around
we must propagate into HIGH_BITS. */
if (tmp < * low_bits)
{
++ * high_bits;
}
else if (sizeof (tmp) > 8
&& (tmp >> 31) > 1)
{
++ * high_bits;
tmp &= 0xFFFFFFFF;
}
* low_bits = tmp;
}
static unsigned char *
read_and_display_attr_value (unsigned long attribute,
unsigned long form,
@ -1567,15 +1595,17 @@ read_and_display_attr_value (unsigned long attribute,
case DW_FORM_ref8:
case DW_FORM_data8:
if (!do_loc)
{
dwarf_vma high_bits;
dwarf_vma utmp;
char buf[64];
SAFE_BYTE_GET64 (data, &high_bits, &uvalue, end);
utmp = uvalue;
if (form == DW_FORM_ref8)
add64 (& high_bits, & utmp, cu_offset);
printf (" 0x%s",
dwarf_vmatoa64 (high_bits, uvalue, buf, sizeof (buf)));
dwarf_vmatoa64 (high_bits, utmp, buf, sizeof (buf)));
}
if ((do_loc || do_debug_loc || do_debug_ranges)