X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2Ffunction.h;h=c1482ac328e659d59871ab2a8528bc489066ab22;hb=b401ecd51bb6af23131f647d0a886842830268fb;hp=12b56bd9d0718e3dc485912d36a3290d1649480c;hpb=5f97fb2262e60349d86d272652d046bb6b176f52;p=pf3gnuchains%2Fgcc-fork.git diff --git a/gcc/function.h b/gcc/function.h index 12b56bd9d07..c1482ac328e 100644 --- a/gcc/function.h +++ b/gcc/function.h @@ -1,6 +1,6 @@ /* Structure for saving state for a nested function. Copyright (C) 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998, - 1999, 2000, 2003, 2004 Free Software Foundation, Inc. + 1999, 2000, 2003, 2004, 2005 Free Software Foundation, Inc. This file is part of GCC. @@ -16,8 +16,8 @@ for more details. 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 @@ -162,17 +162,24 @@ struct expr_status GTY(()) struct function GTY(()) { struct eh_status *eh; + struct eh_status *saved_eh; struct expr_status *expr; struct emit_status *emit; struct varasm_status *varasm; + /* The control flow graph for this function. */ + struct control_flow_graph *cfg; + struct control_flow_graph *saved_cfg; + bool after_inlining; + /* 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; + tree saved_blocks; + tree saved_unexpanded_var_list; /* For function.c. */ @@ -284,12 +291,20 @@ struct function GTY(()) int no_debugging_symbols; rtvec original_arg_vector; tree original_decl_initial; + /* Highest label number in current function. */ int inl_max_label_num; /* Function sequence number for profiling, debugging, etc. */ int funcdef_no; + /* For flow.c. */ + + /* Highest loop depth seen so far in loop analysis. Used in flow.c + for the "failure strategy" when doing liveness analysis starting + with non-empty initial sets. */ + int max_loop_depth; + /* For md files. */ /* tm.h can use this to store whatever it likes. */ @@ -341,6 +356,24 @@ struct function GTY(()) /* The variables unexpanded so far. */ tree unexpanded_var_list; + /* Assembly labels for the hot and cold text sections, to + 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; + + /* 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 @@ -357,13 +390,14 @@ struct function GTY(()) /* Nonzero if function being compiled can call setjmp. */ unsigned int calls_setjmp : 1; - /* Nonzero if function being compiled can call longjmp. */ - unsigned int calls_longjmp : 1; - /* Nonzero if function being compiled can call alloca, 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 non-zero count. */ + unsigned int accesses_prior_frames : 1; + /* Nonzero if the function calls __builtin_eh_return. */ unsigned int calls_eh_return : 1; @@ -375,12 +409,6 @@ struct function GTY(()) function. */ unsigned int has_nonlocal_goto : 1; - /* Nonzero if function being compiled contains nested functions. */ - unsigned int contains_functions : 1; - - /* Nonzero if the function being compiled issues a computed jump. */ - unsigned int has_computed_jump : 1; - /* Nonzero if the current function is a thunk, i.e., a lightweight function implemented by the output_mi_thunk hook) that just adjusts one of its arguments and forwards to another @@ -394,10 +422,6 @@ struct function GTY(()) can throw. */ unsigned int all_throwers_are_sibcalls : 1; - /* Nonzero if instrumentation calls for function entry and exit should be - generated. */ - unsigned int instrument_entry_exit : 1; - /* Nonzero if profiling code should be generated. */ unsigned int profile : 1; @@ -463,10 +487,8 @@ extern int trampolines_created; #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_calls_longjmp (cfun->calls_longjmp) +#define current_function_accesses_prior_frames (cfun->accesses_prior_frames) #define current_function_calls_eh_return (cfun->calls_eh_return) -#define current_function_has_computed_jump (cfun->has_computed_jump) -#define current_function_contains_functions (cfun->contains_functions) #define current_function_is_thunk (cfun->is_thunk) #define current_function_args_info (cfun->args_info) #define current_function_args_size (cfun->args_size) @@ -476,7 +498,6 @@ extern int trampolines_created; #define current_function_stdarg (cfun->stdarg) #define current_function_internal_arg_pointer (cfun->internal_arg_pointer) #define current_function_return_rtx (cfun->return_rtx) -#define current_function_instrument_entry_exit (cfun->instrument_entry_exit) #define current_function_profile (cfun->profile) #define current_function_funcdef_no (cfun->funcdef_no) #define current_function_limit_stack (cfun->limit_stack) @@ -496,7 +517,6 @@ extern int trampolines_created; #define used_temp_slots (cfun->x_used_temp_slots) #define avail_temp_slots (cfun->x_avail_temp_slots) #define temp_slot_level (cfun->x_temp_slot_level) -#define nonlocal_labels (cfun->x_nonlocal_labels) #define nonlocal_goto_handler_labels (cfun->x_nonlocal_goto_handler_labels) /* Given a function decl for a containing function, @@ -522,15 +542,12 @@ extern void free_block_changes (void); This size counts from zero. It is not rounded to STACK_BOUNDARY; the caller may have to do that. */ extern HOST_WIDE_INT get_frame_size (void); -/* Likewise, but for a different than the current function. */ -extern HOST_WIDE_INT get_func_frame_size (struct function *); /* A pointer to a function to create target specific, per-function data structures. */ extern struct machine_function * (*init_machine_status) (void); /* Save and restore status information for a nested function. */ -extern void restore_emit_status (struct function *); extern void free_after_parsing (struct function *); extern void free_after_compilation (struct function *); @@ -550,9 +567,6 @@ 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,