#include "coretypes.h"
#include "tm.h"
#include "rtl.h"
-#include "input.h"
#include "alias.h"
#include "symtab.h"
#include "tree.h"
#include "target.h"
#include "common/common-target.h"
#include "langhooks.h"
-#include "is-a.h"
-#include "plugin-api.h"
-#include "ipa-ref.h"
#include "cgraph.h"
#include "ira.h"
#include "lra.h"
unsigned int index;
};
-struct indirect_string_hasher : ggc_hasher<indirect_string_node *>
+struct indirect_string_hasher : ggc_ptr_hash<indirect_string_node>
{
typedef const char *compare_type;
static void dwarf2out_var_location (rtx_insn *);
static void dwarf2out_begin_function (tree);
static void dwarf2out_end_function (unsigned int);
+static void dwarf2out_register_main_translation_unit (tree unit);
static void dwarf2out_set_name (tree, tree);
/* The debug hooks structure. */
dwarf2out_end_epilogue,
dwarf2out_begin_function,
dwarf2out_end_function, /* end_function */
+ dwarf2out_register_main_translation_unit,
dwarf2out_function_decl, /* function_decl */
dwarf2out_early_global_decl,
dwarf2out_late_global_decl,
DW_AT_{,MIPS_}linkage_name once their DECL_ASSEMBLER_NAMEs are set. */
static GTY(()) limbo_die_node *deferred_asm_name;
-struct dwarf_file_hasher : ggc_hasher<dwarf_file_data *>
+struct dwarf_file_hasher : ggc_ptr_hash<dwarf_file_data>
{
typedef const char *compare_type;
/* Filenames referenced by this compilation unit. */
static GTY(()) hash_table<dwarf_file_hasher> *file_table;
-struct decl_die_hasher : ggc_hasher<die_node *>
+struct decl_die_hasher : ggc_ptr_hash<die_node>
{
typedef tree compare_type;
The key is a DECL_UID() which is a unique number identifying each decl. */
static GTY (()) hash_table<decl_die_hasher> *decl_die_table;
-struct block_die_hasher : ggc_hasher<die_struct *>
+struct block_die_hasher : ggc_ptr_hash<die_struct>
{
static hashval_t hash (die_struct *);
static bool equal (die_struct *, die_struct *);
};
-struct decl_loc_hasher : ggc_hasher<var_loc_list *>
+struct decl_loc_hasher : ggc_ptr_hash<var_loc_list>
{
typedef const_tree compare_type;
};
typedef struct cached_dw_loc_list_def cached_dw_loc_list;
-struct dw_loc_list_hasher : ggc_hasher<cached_dw_loc_list *>
+struct dw_loc_list_hasher : ggc_ptr_hash<cached_dw_loc_list>
{
typedef const_tree compare_type;
return &a->dw_attr_val.v.val_loc_list;
}
-struct addr_hasher : ggc_hasher<addr_table_entry *>
+struct addr_hasher : ggc_ptr_hash<addr_table_entry>
{
static hashval_t hash (addr_table_entry *);
static bool equal (addr_table_entry *, addr_table_entry *);
print_die (comp_unit_die (), stderr);
}
+#ifdef ENABLE_CHECKING
/* Sanity checks on DIEs. */
static void
check_die (dw_die_ref die)
{
- /* A debugging information entry that is a member of an abstract
- instance tree [that has DW_AT_inline] should not contain any
- attributes which describe aspects of the subroutine which vary
- between distinct inlined expansions or distinct out-of-line
- expansions. */
unsigned ix;
dw_attr_ref a;
bool inline_found = false;
+ int n_location = 0, n_low_pc = 0, n_high_pc = 0, n_artificial = 0;
+ int n_decl_line = 0, n_decl_file = 0;
FOR_EACH_VEC_SAFE_ELT (die->die_attr, ix, a)
- if (a->dw_attr == DW_AT_inline && a->dw_attr_val.v.val_unsigned)
- inline_found = true;
+ {
+ switch (a->dw_attr)
+ {
+ case DW_AT_inline:
+ if (a->dw_attr_val.v.val_unsigned)
+ inline_found = true;
+ break;
+ case DW_AT_location:
+ ++n_location;
+ break;
+ case DW_AT_low_pc:
+ ++n_low_pc;
+ break;
+ case DW_AT_high_pc:
+ ++n_high_pc;
+ break;
+ case DW_AT_artificial:
+ ++n_artificial;
+ break;
+ case DW_AT_decl_line:
+ ++n_decl_line;
+ break;
+ case DW_AT_decl_file:
+ ++n_decl_file;
+ break;
+ default:
+ break;
+ }
+ }
+ if (n_location > 1 || n_low_pc > 1 || n_high_pc > 1 || n_artificial > 1
+ || n_decl_line > 1 || n_decl_file > 1)
+ {
+ fprintf (stderr, "Duplicate attributes in DIE:\n");
+ debug_dwarf_die (die);
+ gcc_unreachable ();
+ }
if (inline_found)
{
- /* Catch the most common mistakes. */
+ /* A debugging information entry that is a member of an abstract
+ instance tree [that has DW_AT_inline] should not contain any
+ attributes which describe aspects of the subroutine which vary
+ between distinct inlined expansions or distinct out-of-line
+ expansions. */
FOR_EACH_VEC_SAFE_ELT (die->die_attr, ix, a)
gcc_assert (a->dw_attr != DW_AT_low_pc
&& a->dw_attr != DW_AT_high_pc
&& a->dw_attr != DW_AT_GNU_all_call_sites);
}
}
+#endif
\f
/* Start a new compilation unit DIE for an include file. OLD_UNIT is the CU
for the enclosing include file, if any. BINCL_DIE is the DW_TAG_GNU_BINCL
/* Helpers to manipulate hash table of CUs. */
-struct cu_hash_table_entry_hasher
+struct cu_hash_table_entry_hasher : pointer_hash <cu_hash_table_entry>
{
- typedef cu_hash_table_entry *value_type;
typedef die_struct *compare_type;
static inline hashval_t hash (const cu_hash_table_entry *);
static inline bool equal (const cu_hash_table_entry *, const die_struct *);
/* Hashtable helpers. */
-struct decl_table_entry_hasher : typed_free_remove <decl_table_entry>
+struct decl_table_entry_hasher : free_ptr_hash <decl_table_entry>
{
- typedef decl_table_entry *value_type;
typedef die_struct *compare_type;
static inline hashval_t hash (const decl_table_entry *);
static inline bool equal (const decl_table_entry *, const die_struct *);
/* Hashtable helpers. */
-struct external_ref_hasher : typed_free_remove <external_ref>
+struct external_ref_hasher : free_ptr_hash <external_ref>
{
- typedef external_ref *value_type;
- typedef external_ref *compare_type;
static inline hashval_t hash (const external_ref *);
static inline bool equal (const external_ref *, const external_ref *);
};
if (TREE_CODE (decl) == ERROR_MARK)
return false;
+ if (get_AT (die, attr))
+ return true;
+
gcc_assert (TREE_CODE (decl) == VAR_DECL || TREE_CODE (decl) == PARM_DECL
|| TREE_CODE (decl) == RESULT_DECL);
{
/* FIXME: Reuse DIE even with a differing context.
- This happens when called through
- dwarf2out_abstract_function for formal parameter
- packs. The issue is that we're calling
+ This can happen when calling
dwarf2out_abstract_function to build debug info for
the abstract instance of a function for which we have
already generated a DIE in
dwarf2out_early_global_decl.
- Once we remove dwarf2out_abstract_function, this
- gcc_assert should be a gcc_unreachable. */
- gcc_assert (parm_die->die_parent->die_tag
- == DW_TAG_GNU_formal_parameter_pack);
+ Once we remove dwarf2out_abstract_function, we should
+ have a call to gcc_unreachable here. */
}
}
decl_quals (node_or_origin),
context_die);
}
- add_location:
if (origin == NULL && DECL_ARTIFICIAL (node))
add_AT_flag (parm_die, DW_AT_artificial, 1);
-
+ add_location:
if (node && node != origin)
equate_decl_number_to_die (node, parm_die);
if (! DECL_ABSTRACT_P (node_or_origin))
end function
end module
*/
- || old_die->die_parent->die_tag == DW_TAG_module
+ || (old_die->die_parent
+ && old_die->die_parent->die_tag == DW_TAG_module)
|| context_die == NULL)
&& (DECL_ARTIFICIAL (decl)
|| (get_AT_file (old_die, DW_AT_decl_file) == file_index
gen_struct_or_union_type_die (tree type, dw_die_ref context_die,
enum debug_info_usage usage)
{
- /* Fill in the bound of variable-length fields in late dwarf if
- still incomplete. */
- if (TREE_ASM_WRITTEN (type)
- && variably_modified_type_p (type, NULL)
- && !early_dwarf)
+ if (TREE_ASM_WRITTEN (type))
{
- tree member;
- for (member = TYPE_FIELDS (type); member; member = DECL_CHAIN (member))
- fill_variable_array_bounds (TREE_TYPE (member));
+ /* Fill in the bound of variable-length fields in late dwarf if
+ still incomplete. */
+ if (!early_dwarf && variably_modified_type_p (type, NULL))
+ for (tree member = TYPE_FIELDS (type);
+ member;
+ member = DECL_CHAIN (member))
+ fill_variable_array_bounds (TREE_TYPE (member));
return;
}
static void
gen_type_die (tree type, dw_die_ref context_die)
{
- gen_type_die_with_usage (type, context_die, DINFO_USAGE_DIR_USE);
+ if (type != error_mark_node)
+ {
+ gen_type_die_with_usage (type, context_die, DINFO_USAGE_DIR_USE);
+#ifdef ENABLE_CHECKING
+ dw_die_ref die = lookup_type_die (type);
+ if (die)
+ check_die (die);
+#endif
+ }
}
/* Generate a DW_TAG_lexical_block DIE followed by DIEs to represent all of the
gen_decl_die (decl, NULL, context_die);
+#ifdef ENABLE_CHECKING
dw_die_ref die = lookup_decl_die (decl);
if (die)
check_die (die);
+#endif
}
/* Write the debugging output for DECL. */
maybe_at_text_label_p = false;
}
+/* Temporary holder for dwarf2out_register_main_translation_unit. Used to let
+ front-ends register a translation unit even before dwarf2out_init is
+ called. */
+static tree main_translation_unit = NULL_TREE;
+
+/* Hook called by front-ends after they built their main translation unit.
+ Associate comp_unit_die to UNIT. */
+
+static void
+dwarf2out_register_main_translation_unit (tree unit)
+{
+ gcc_assert (TREE_CODE (unit) == TRANSLATION_UNIT_DECL
+ && main_translation_unit == NULL_TREE);
+ main_translation_unit = unit;
+ /* If dwarf2out_init has not been called yet, it will perform the association
+ itself looking at main_translation_unit. */
+ if (decl_die_table != NULL)
+ equate_decl_number_to_die (unit, comp_unit_die ());
+}
+
/* Add OPCODE+VAL as an entry at the end of the opcode array in TABLE. */
static void
/* Helpers to manipulate hash table of CUs. */
-struct macinfo_entry_hasher : typed_noop_remove <macinfo_entry>
+struct macinfo_entry_hasher : nofree_ptr_hash <macinfo_entry>
{
- typedef macinfo_entry *value_type;
- typedef macinfo_entry *compare_type;
static inline hashval_t hash (const macinfo_entry *);
static inline bool equal (const macinfo_entry *, const macinfo_entry *);
};
/* Make sure the line number table for .text always exists. */
text_section_line_info = new_line_info_table ();
text_section_line_info->end_label = text_end_label;
+
+ /* If front-ends already registered a main translation unit but we were not
+ ready to perform the association, do this now. */
+ if (main_translation_unit != NULL_TREE)
+ equate_decl_number_to_die (main_translation_unit, comp_unit_die ());
}
/* Called before compile () starts outputtting functions, variables
if (skeleton_debug_str_hash)
skeleton_debug_str_hash->empty ();
prune_unused_types_prune (comp_unit_die ());
- for (node = limbo_die_list; node; node = node->next)
- prune_unused_types_prune (node->die);
+ for (limbo_die_node **pnode = &limbo_die_list; *pnode; )
+ {
+ node = *pnode;
+ if (!node->die->die_mark)
+ *pnode = node->next;
+ else
+ {
+ prune_unused_types_prune (node->die);
+ pnode = &node->next;
+ }
+ }
for (ctnode = comdat_type_list; ctnode; ctnode = ctnode->next)
prune_unused_types_prune (ctnode->root_die);
/* Helpers to manipulate hash table of comdat type units. */
-struct comdat_type_hasher : typed_noop_remove <comdat_type_node>
+struct comdat_type_hasher : nofree_ptr_hash <comdat_type_node>
{
- typedef comdat_type_node *value_type;
- typedef comdat_type_node *compare_type;
static inline hashval_t hash (const comdat_type_node *);
static inline bool equal (const comdat_type_node *, const comdat_type_node *);
};
/* Hashtable helpers. */
-struct loc_list_hasher : typed_noop_remove <dw_loc_list_struct>
+struct loc_list_hasher : nofree_ptr_hash <dw_loc_list_struct>
{
- typedef dw_loc_list_struct *value_type;
- typedef dw_loc_list_struct *compare_type;
static inline hashval_t hash (const dw_loc_list_struct *);
static inline bool equal (const dw_loc_list_struct *,
const dw_loc_list_struct *);
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