diff options
Diffstat (limited to 'gdb/dwarf2/attribute.h')
| -rw-r--r-- | gdb/dwarf2/attribute.h | 78 |
1 files changed, 39 insertions, 39 deletions
diff --git a/gdb/dwarf2/attribute.h b/gdb/dwarf2/attribute.h index 11c6cb9..2e663f1 100644 --- a/gdb/dwarf2/attribute.h +++ b/gdb/dwarf2/attribute.h @@ -41,6 +41,45 @@ struct dwarf_block /* Attributes have a name and a value. */ struct attribute { + /* Read the given attribute value as an address, taking the + attribute's form into account. */ + CORE_ADDR value_as_address () const; + + /* Return non-zero if ATTR's value is a section offset --- classes + lineptr, loclistptr, macptr or rangelistptr --- or zero, otherwise. + You may use DW_UNSND (attr) to retrieve such offsets. + + Section 7.5.4, "Attribute Encodings", explains that no attribute + may have a value that belongs to more than one of these classes; it + would be ambiguous if we did, because we use the same forms for all + of them. */ + + bool form_is_section_offset () const; + + /* Return non-zero if ATTR's value falls in the 'constant' class, or + zero otherwise. When this function returns true, you can apply + dwarf2_get_attr_constant_value to it. + + However, note that for some attributes you must check + attr_form_is_section_offset before using this test. DW_FORM_data4 + and DW_FORM_data8 are members of both the constant class, and of + the classes that contain offsets into other debug sections + (lineptr, loclistptr, macptr or rangelistptr). The DWARF spec says + that, if an attribute's can be either a constant or one of the + section offset classes, DW_FORM_data4 and DW_FORM_data8 should be + taken as section offsets, not constants. + + DW_FORM_data16 is not considered as dwarf2_get_attr_constant_value + cannot handle that. */ + + bool form_is_constant () const; + + /* DW_ADDR is always stored already as sect_offset; despite for the forms + besides DW_FORM_ref_addr it is stored as cu_offset in the DWARF file. */ + + bool form_is_ref () const; + + ENUM_BITFIELD(dwarf_attribute) name : 16; ENUM_BITFIELD(dwarf_form) form : 15; @@ -71,48 +110,9 @@ struct attribute #define DW_ADDR(attr) ((attr)->u.addr) #define DW_SIGNATURE(attr) ((attr)->u.signature) -/* Read the given attribute value as an address, taking the attribute's - form into account. */ - -extern CORE_ADDR attr_value_as_address (struct attribute *attr); - /* Check if the attribute's form is a DW_FORM_block* if so return true else false. */ extern int attr_form_is_block (const struct attribute *attr); -/* Return non-zero if ATTR's value is a section offset --- classes - lineptr, loclistptr, macptr or rangelistptr --- or zero, otherwise. - You may use DW_UNSND (attr) to retrieve such offsets. - - Section 7.5.4, "Attribute Encodings", explains that no attribute - may have a value that belongs to more than one of these classes; it - would be ambiguous if we did, because we use the same forms for all - of them. */ - -extern int attr_form_is_section_offset (const struct attribute *attr); - -/* Return non-zero if ATTR's value falls in the 'constant' class, or - zero otherwise. When this function returns true, you can apply - dwarf2_get_attr_constant_value to it. - - However, note that for some attributes you must check - attr_form_is_section_offset before using this test. DW_FORM_data4 - and DW_FORM_data8 are members of both the constant class, and of - the classes that contain offsets into other debug sections - (lineptr, loclistptr, macptr or rangelistptr). The DWARF spec says - that, if an attribute's can be either a constant or one of the - section offset classes, DW_FORM_data4 and DW_FORM_data8 should be - taken as section offsets, not constants. - - DW_FORM_data16 is not considered as dwarf2_get_attr_constant_value - cannot handle that. */ - -extern int attr_form_is_constant (const struct attribute *attr); - -/* DW_ADDR is always stored already as sect_offset; despite for the forms - besides DW_FORM_ref_addr it is stored as cu_offset in the DWARF file. */ - -extern int attr_form_is_ref (const struct attribute *attr); - #endif /* GDB_DWARF2_ATTRIBUTE_H */ |