You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to the Free
-Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA. */
+Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301, USA. */
#ifndef GCC_FUNCTION_H
#define GCC_FUNCTION_H
+#include "tree.h"
+#include "hashtab.h"
+
struct var_refs_queue GTY(())
{
rtx modified;
#define forced_labels (cfun->expr->x_forced_labels)
#define stack_pointer_delta (cfun->expr->x_stack_pointer_delta)
+struct temp_slot;
+typedef struct temp_slot *temp_slot_p;
+
+DEF_VEC_P(temp_slot_p);
+DEF_VEC_ALLOC_P(temp_slot_p,gc);
+
/* This structure can save all the important global and static variables
describing the status of the current function. */
/* The control flow graph for this function. */
struct control_flow_graph *cfg;
-
- /* For tree-optimize.c. */
-
- /* Saved tree and arguments during tree optimization. Used later for
- inlining */
- tree saved_tree;
- tree saved_args;
- tree saved_static_chain_decl;
+ bool after_inlining;
/* For function.c. */
rtx x_stack_slot_list;
/* Place after which to insert the tail_recursion_label if we need one. */
- rtx x_tail_recursion_reentry;
+ rtx x_stack_check_probe_note;
/* Location at which to save the argument pointer if it will need to be
referenced. There are two cases where this is done: if nonlocal gotos
rtx x_parm_birth_insn;
/* List of all used temporaries allocated, by level. */
- struct varray_head_tag * GTY((param_is (struct temp_slot))) x_used_temp_slots;
+ VEC(temp_slot_p,gc) *x_used_temp_slots;
/* List of available temp slots. */
struct temp_slot *x_avail_temp_slots;
/* Language-specific code can use this to store whatever it likes. */
struct language_function * language;
+ /* Used types hash table. */
+ htab_t GTY ((param_is (union tree_node))) used_types_hash;
+
/* For reorg. */
/* If some insns can be deferred to the delay slots of the epilogue, the
location_t function_end_locus;
/* Array mapping insn uids to blocks. */
- struct varray_head_tag *ib_boundaries_block;
+ VEC(tree,gc) *ib_boundaries_block;
/* The variables unexpanded so far. */
tree unexpanded_var_list;
be used by debugger functions for determining the size of text
sections. */
- const char * hot_section_label;
- const char * cold_section_label;
- const char * hot_section_end_label;
- const char * cold_section_end_label;
+ const char *hot_section_label;
+ const char *cold_section_label;
+ const char *hot_section_end_label;
+ const char *cold_section_end_label;
/* String to be used for name of cold text sections, via
targetm.asm_out.named_section. */
const char *unlikely_text_section_name;
+ /* A variable living at the top of the frame that holds a known value.
+ Used for detecting stack clobbers. */
+ tree stack_protect_guard;
+
/* Collected bit flags. */
/* Nonzero if function being compiled needs to be given an address
either as a subroutine or builtin. */
unsigned int calls_alloca : 1;
+ /* Nonzero if function being compiled called builtin_return_addr or
+ builtin_frame_address with nonzero count. */
+ unsigned int accesses_prior_frames : 1;
+
/* Nonzero if the function calls __builtin_eh_return. */
unsigned int calls_eh_return : 1;
#define current_function_returns_pointer (cfun->returns_pointer)
#define current_function_calls_setjmp (cfun->calls_setjmp)
#define current_function_calls_alloca (cfun->calls_alloca)
+#define current_function_accesses_prior_frames (cfun->accesses_prior_frames)
#define current_function_calls_eh_return (cfun->calls_eh_return)
#define current_function_is_thunk (cfun->is_thunk)
#define current_function_args_info (cfun->args_info)
#define stack_slot_list (cfun->x_stack_slot_list)
#define parm_birth_insn (cfun->x_parm_birth_insn)
#define frame_offset (cfun->x_frame_offset)
-#define tail_recursion_reentry (cfun->x_tail_recursion_reentry)
+#define stack_check_probe_note (cfun->x_stack_check_probe_note)
#define arg_pointer_save_area (cfun->x_arg_pointer_save_area)
#define used_temp_slots (cfun->x_used_temp_slots)
#define avail_temp_slots (cfun->x_avail_temp_slots)
the caller may have to do that. */
extern HOST_WIDE_INT get_frame_size (void);
+/* Issue an error message and return TRUE if frame OFFSET overflows in
+ the signed target pointer arithmetics for function FUNC. Otherwise
+ return FALSE. */
+extern bool frame_offset_overflow (HOST_WIDE_INT, tree);
+
/* A pointer to a function to create target specific, per-function
data structures. */
extern struct machine_function * (*init_machine_status) (void);
#ifdef RTX_CODE
extern void diddle_return_value (void (*)(rtx, void*), void*);
extern void clobber_return_register (void);
-extern void use_return_register (void);
#endif
extern rtx get_arg_pointer_save_area (struct function *);
-extern void init_virtual_regs (struct emit_status *);
-extern void instantiate_virtual_regs (void);
-
/* Returns the name of the current function. */
extern const char *current_function_name (void);
-/* Called once, at initialization, to initialize function.c. */
-extern void init_function_once (void);
-
extern void do_warn_unused_parameter (tree);
extern bool pass_by_reference (CUMULATIVE_ARGS *, enum machine_mode,
extern bool reference_callee_copied (CUMULATIVE_ARGS *, enum machine_mode,
tree, bool);
+extern void used_types_insert (tree);
+
#endif /* GCC_FUNCTION_H */
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