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Diffstat (limited to 'docs/SourceLevelDebugging.rst')
| -rw-r--r-- | docs/SourceLevelDebugging.rst | 35 |
1 files changed, 16 insertions, 19 deletions
diff --git a/docs/SourceLevelDebugging.rst b/docs/SourceLevelDebugging.rst index d7c50d234a..78ce4e0e53 100644 --- a/docs/SourceLevelDebugging.rst +++ b/docs/SourceLevelDebugging.rst @@ -2,8 +2,6 @@ Source Level Debugging with LLVM ================================ -.. sectionauthor:: Chris Lattner <sabre@nondot.org> and Jim Laskey <jlaskey@mac.com> - .. contents:: :local: @@ -300,7 +298,6 @@ Subprogram descriptors metadata, ;; Reference to type descriptor i1, ;; True if the global is local to compile unit (static) i1, ;; True if the global is defined in the compile unit (not extern) - i32, ;; Line number where the scope of the subprogram begins i32, ;; Virtuality, e.g. dwarf::DW_VIRTUALITY__virtual i32, ;; Index into a virtual function metadata, ;; indicates which base type contains the vtable pointer for the @@ -310,7 +307,8 @@ Subprogram descriptors Function * , ;; Pointer to LLVM function metadata, ;; Lists function template parameters metadata, ;; Function declaration descriptor - metadata ;; List of function variables + metadata, ;; List of function variables + i32 ;; Line number where the scope of the subprogram begins } These descriptors provide debug information about functions, methods and @@ -408,7 +406,8 @@ Derived type descriptors i32, ;; Flags to encode attributes, e.g. private metadata, ;; Reference to type derived from metadata, ;; (optional) Name of the Objective C property associated with - ;; Objective-C an ivar + ;; Objective-C an ivar, or the type of which this + ;; pointer-to-member is pointing to members of. metadata, ;; (optional) Name of the Objective C property getter selector. metadata, ;; (optional) Name of the Objective C property setter selector. i32 ;; (optional) Objective C property attributes. @@ -420,14 +419,15 @@ values: .. code-block:: llvm - DW_TAG_formal_parameter = 5 - DW_TAG_member = 13 - DW_TAG_pointer_type = 15 - DW_TAG_reference_type = 16 - DW_TAG_typedef = 22 - DW_TAG_const_type = 38 - DW_TAG_volatile_type = 53 - DW_TAG_restrict_type = 55 + DW_TAG_formal_parameter = 5 + DW_TAG_member = 13 + DW_TAG_pointer_type = 15 + DW_TAG_reference_type = 16 + DW_TAG_typedef = 22 + DW_TAG_ptr_to_member_type = 31 + DW_TAG_const_type = 38 + DW_TAG_volatile_type = 53 + DW_TAG_restrict_type = 55 ``DW_TAG_member`` is used to define a member of a :ref:`composite type <format_composite_type>` or :ref:`subprogram <format_subprograms>`. The type @@ -482,14 +482,13 @@ are possible tag values: DW_TAG_enumeration_type = 4 DW_TAG_structure_type = 19 DW_TAG_union_type = 23 - DW_TAG_vector_type = 259 DW_TAG_subroutine_type = 21 DW_TAG_inheritance = 28 The vector flag indicates that an array type is a native packed vector. -The members of array types (tag = ``DW_TAG_array_type``) or vector types (tag = -``DW_TAG_vector_type``) are :ref:`subrange descriptors <format_subrange>`, each +The members of array types (tag = ``DW_TAG_array_type``) are +:ref:`subrange descriptors <format_subrange>`, each representing the range of subscripts at that level of indexing. The members of enumeration types (tag = ``DW_TAG_enumeration_type``) are @@ -583,12 +582,10 @@ value of the tag depends on the usage of the variable: DW_TAG_auto_variable = 256 DW_TAG_arg_variable = 257 - DW_TAG_return_variable = 258 An auto variable is any variable declared in the body of the function. An argument variable is any variable that appears as a formal argument to the -function. A return variable is used to track the result of a function and has -no source correspondent. +function. The context is either the subprogram or block where the variable is defined. Name the source variable name. Context and line indicate where the variable |