#include "cgraph.h"
#include "vec.h"
#include "vecprim.h"
+#include "alloc-pool.h"
/* Define when debugging the LTO streamer. This causes the writer
to output the numeric value for the memory address of the tree node
LTO_section_static_initializer,
LTO_section_cgraph,
LTO_section_varpool,
+ LTO_section_refs,
LTO_section_jump_functions,
LTO_section_ipa_pure_const,
LTO_section_ipa_reference,
LTO_section_symtab,
LTO_section_opts,
+ LTO_section_cgraph_opt_sum,
LTO_N_SECTION_TYPES /* Must be last. */
};
/* The mapping between tree nodes and slots into the nodes array. */
htab_t node_map;
+ /* Node map to store entries into. */
+ alloc_pool node_map_entries;
+
/* Next available slot in the nodes and offsets arrays. */
unsigned next_slot;
/* The nodes pickled so far. */
- VEC(tree,gc) *nodes;
+ VEC(tree,heap) *nodes;
/* Offset into the stream where the nodes have been written. */
VEC(unsigned,heap) *offsets;
/* Map reference number to node. */
VEC(cgraph_node_ptr,heap) *nodes;
+
+ /* Map of nodes where we want to output body. */
+ struct pointer_set_t *body;
};
typedef struct lto_cgraph_encoder_d *lto_cgraph_encoder_t;
+/* Return number of encoded nodes in ENCODER. */
+
+static inline int
+lto_cgraph_encoder_size (lto_cgraph_encoder_t encoder)
+{
+ return VEC_length (cgraph_node_ptr, encoder->nodes);
+}
+
+
+/* Encoder data structure used to stream callgraph nodes. */
+struct lto_varpool_encoder_d
+{
+ /* Map nodes to reference number. */
+ struct pointer_map_t *map;
+
+ /* Map reference number to node. */
+ VEC(varpool_node_ptr,heap) *nodes;
+
+ /* Map of nodes where we want to output initializer. */
+ struct pointer_set_t *initializer;
+};
+typedef struct lto_varpool_encoder_d *lto_varpool_encoder_t;
+
/* Mapping from indices to trees. */
struct GTY(()) lto_tree_ref_table
{
/* Encoder for cgraph nodes. */
lto_cgraph_encoder_t cgraph_node_encoder;
+ /* Encoder for varpool nodes. */
+ lto_varpool_encoder_t varpool_node_encoder;
+
/* If this out-decl state belongs to a function, fn_decl points to that
function. Otherwise, it is NULL. */
tree fn_decl;
/* Table of cgraph nodes present in this file. */
lto_cgraph_encoder_t GTY((skip)) cgraph_node_encoder;
+ /* Table of varpool nodes present in this file. */
+ lto_varpool_encoder_t GTY((skip)) varpool_node_encoder;
+
/* Hash table maps lto-related section names to location in file. */
htab_t GTY((param_is (struct lto_in_decl_state))) function_decl_states;
/* The .o file that these offsets relate to. */
const char *GTY((skip)) file_name;
- /* Nonzero if this file should be recompiled with LTRANS. */
- unsigned needs_ltrans_p : 1;
-
/* Hash table maps lto-related section names to location in file. */
htab_t GTY((skip)) section_hash_table;
int lto_cgraph_encoder_lookup (lto_cgraph_encoder_t, struct cgraph_node *);
lto_cgraph_encoder_t lto_cgraph_encoder_new (void);
int lto_cgraph_encoder_encode (lto_cgraph_encoder_t, struct cgraph_node *);
-void lto_cgraph_encoder_delete (lto_cgraph_encoder_t encoder);
-void output_cgraph (cgraph_node_set);
+void lto_cgraph_encoder_delete (lto_cgraph_encoder_t);
+bool lto_cgraph_encoder_encode_body_p (lto_cgraph_encoder_t,
+ struct cgraph_node *);
+
+bool lto_varpool_encoder_encode_body_p (lto_varpool_encoder_t,
+ struct varpool_node *);
+struct varpool_node *lto_varpool_encoder_deref (lto_varpool_encoder_t, int);
+int lto_varpool_encoder_lookup (lto_varpool_encoder_t, struct varpool_node *);
+lto_varpool_encoder_t lto_varpool_encoder_new (void);
+int lto_varpool_encoder_encode (lto_varpool_encoder_t, struct varpool_node *);
+void lto_varpool_encoder_delete (lto_varpool_encoder_t);
+bool lto_varpool_encoder_encode_initializer_p (lto_varpool_encoder_t,
+ struct varpool_node *);
+void output_cgraph (cgraph_node_set, varpool_node_set);
void input_cgraph (void);
-void output_varpool (varpool_node_set);
-void input_varpool (void);
+bool referenced_from_other_partition_p (struct ipa_ref_list *,
+ cgraph_node_set,
+ varpool_node_set vset);
+bool reachable_from_other_partition_p (struct cgraph_node *,
+ cgraph_node_set);
+bool referenced_from_this_partition_p (struct ipa_ref_list *,
+ cgraph_node_set,
+ varpool_node_set vset);
+bool reachable_from_this_partition_p (struct cgraph_node *,
+ cgraph_node_set);
+void compute_ltrans_boundary (struct lto_out_decl_state *state,
+ cgraph_node_set, varpool_node_set);
/* In lto-symtab.c. */
extern void lto_symtab_merge_cgraph_nodes (void);
extern tree lto_symtab_prevailing_decl (tree decl);
extern enum ld_plugin_symbol_resolution lto_symtab_get_resolution (tree decl);
+extern void lto_symtab_free (void);
/* In lto-opts.c. */
return (enum tree_code) ((unsigned) tag - 1);
}
-
-/* Return true if FILE needs to be compiled with LTRANS. */
-static inline bool
-lto_file_needs_ltrans_p (struct lto_file_decl_data *file)
-{
- return file->needs_ltrans_p != 0;
-}
-
-
-/* Mark FILE to be compiled with LTRANS. */
-static inline void
-lto_mark_file_for_ltrans (struct lto_file_decl_data *file)
-{
- file->needs_ltrans_p = 1;
-}
-
-
-/* Return true if any files in node set SET need to be compiled
- with LTRANS. */
-static inline bool
-cgraph_node_set_needs_ltrans_p (cgraph_node_set set)
-{
- cgraph_node_set_iterator csi;
-
- for (csi = csi_start (set); !csi_end_p (csi); csi_next (&csi))
- if (lto_file_needs_ltrans_p (csi_node (csi)->local.lto_file_data))
- return true;
-
- return false;
-}
-
-
/* Initialize an lto_out_decl_buffer ENCODER. */
static inline void
lto_init_tree_ref_encoder (struct lto_tree_ref_encoder *encoder,
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