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Diffstat (limited to 'gdb/dwarf2/attribute.h')
-rw-r--r--gdb/dwarf2/attribute.h27
1 files changed, 26 insertions, 1 deletions
diff --git a/gdb/dwarf2/attribute.h b/gdb/dwarf2/attribute.h
index 56776d6..0af7470 100644
--- a/gdb/dwarf2/attribute.h
+++ b/gdb/dwarf2/attribute.h
@@ -70,7 +70,7 @@ struct attribute
form. */
LONGEST as_signed () const
{
- gdb_assert (form == DW_FORM_sdata || form == DW_FORM_implicit_const);
+ gdb_assert (form_is_signed ());
return u.snd;
}
@@ -92,6 +92,28 @@ struct attribute
return u.unsnd;
}
+ /* Return true if the value is nonnegative. Requires that that
+ reprocessing not be needed. */
+ bool is_nonnegative () const
+ {
+ if (form_is_unsigned ())
+ return true;
+ if (form_is_signed ())
+ return as_signed () >= 0;
+ return false;
+ }
+
+ /* Return the nonnegative value. Requires that that reprocessing not be
+ needed. */
+ ULONGEST as_nonnegative () const
+ {
+ if (form_is_unsigned ())
+ return as_unsigned ();
+ if (form_is_signed ())
+ return (ULONGEST)as_signed ();
+ gdb_assert (false);
+ }
+
/* Return non-zero if ATTR's value is a section offset --- classes
lineptr, loclistptr, macptr or rangelistptr --- or zero, otherwise.
You may use the as_unsigned method to retrieve such offsets.
@@ -147,6 +169,9 @@ struct attribute
/* Check if the attribute's form is an unsigned integer form. */
bool form_is_unsigned () const;
+ /* Check if the attribute's form is a signed integer form. */
+ bool form_is_signed () const;
+
/* Check if the attribute's form is a form that requires
"reprocessing". */
bool form_requires_reprocessing () const;