X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Fbuildsym.h;h=3e0132782c09cd07c52106718eea98ec061e4445;hb=c5ac15402a894e87a118526a066880f596b3c78d;hp=c788e1156a628a12ea86581967e5a5de1ff979ab;hpb=e64ec645a844d40a44a4b14c879cffb83db7ec4c;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/buildsym.h b/gdb/buildsym.h index c788e1156a..3e0132782c 100644 --- a/gdb/buildsym.h +++ b/gdb/buildsym.h @@ -1,69 +1,77 @@ /* Build symbol tables in GDB's internal format. - Copyright (C) 1986-1991 Free Software Foundation, Inc. + Copyright (C) 1986-2016 Free Software Foundation, Inc. -This file is part of GDB. + This file is part of GDB. -This program is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2 of the License, or -(at your option) any later version. + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. -This program is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. -You should have received a copy of the GNU General Public License -along with this program; if not, write to the Free Software -Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + You should have received a copy of the GNU General Public License + along with this program. If not, see . */ #if !defined (BUILDSYM_H) #define BUILDSYM_H 1 +struct objfile; +struct symbol; +struct addrmap; +struct compunit_symtab; + /* This module provides definitions used for creating and adding to the symbol table. These routines are called from various symbol- - file-reading routines. + file-reading routines. They originated in dbxread.c of gdb-4.2, and were split out to make xcoffread.c more maintainable by sharing code. - Variables declared in this file can be defined by #define-ing - the name EXTERN to null. It is used to declare variables that - are normally extern, but which get defined in a single module - using this technique. */ + Variables declared in this file can be defined by #define-ing the + name EXTERN to null. It is used to declare variables that are + normally extern, but which get defined in a single module using + this technique. */ + +struct block; +struct pending_block; + +struct dynamic_prop; #ifndef EXTERN #define EXTERN extern #endif -#define HASHSIZE 127 /* Size of things hashed via hashname() */ - -/* Name of source file whose symbol data we are now processing. - This comes from a symbol of type N_SO. */ - -EXTERN char *last_source_file; +#define HASHSIZE 127 /* Size of things hashed via + hashname(). */ -/* Core address of start of text of current source file. - This too comes from the N_SO symbol. */ +/* Core address of start of text of current source file. This too + comes from the N_SO symbol. For Dwarf it typically comes from the + DW_AT_low_pc attribute of a DW_TAG_compile_unit DIE. */ EXTERN CORE_ADDR last_source_start_addr; -/* The list of sub-source-files within the current individual compilation. - Each file gets its own symtab with its own linetable and associated info, - but they all share one blockvector. */ +/* The list of sub-source-files within the current individual + compilation. Each file gets its own symtab with its own linetable + and associated info, but they all share one blockvector. */ struct subfile { struct subfile *next; + /* Space for this is malloc'd. */ char *name; - char *dirname; + /* Space for this is malloc'd. */ struct linetable *line_vector; int line_vector_length; + /* The "containing" compunit. */ + struct buildsym_compunit *buildsym_compunit; enum language language; + struct symtab *symtab; }; -EXTERN struct subfile *subfiles; - EXTERN struct subfile *current_subfile; /* Global variable which, when set, indicates that we are processing a @@ -83,61 +91,80 @@ EXTERN unsigned char processing_acc_compilation; EXTERN unsigned int symnum; -/* Record the symbols defined for each context in a list. - We don't create a struct block for the context until we - know how long to make it. */ +/* Record the symbols defined for each context in a list. We don't + create a struct block for the context until we know how long to + make it. */ #define PENDINGSIZE 100 struct pending -{ - struct pending *next; - int nsyms; - struct symbol *symbol[PENDINGSIZE]; -}; + { + struct pending *next; + int nsyms; + struct symbol *symbol[PENDINGSIZE]; + }; -/* List of free `struct pending' structures for reuse. */ +/* Here are the three lists that symbols are put on. */ -EXTERN struct pending *free_pendings; +/* static at top level, and types */ -/* Here are the three lists that symbols are put on. */ +EXTERN struct pending *file_symbols; -EXTERN struct pending *file_symbols; /* static at top level, and types */ +/* global functions and variables */ -EXTERN struct pending *global_symbols; /* global functions and variables */ +EXTERN struct pending *global_symbols; -EXTERN struct pending *local_symbols; /* everything local to lexic context */ +/* everything local to lexical context */ -/* Stack representing unclosed lexical contexts - (that will become blocks, eventually). */ +EXTERN struct pending *local_symbols; + +/* "using" directives local to lexical context. */ + +EXTERN struct using_direct *local_using_directives; + +/* global "using" directives. */ + +EXTERN struct using_direct *global_using_directives; + +/* Stack representing unclosed lexical contexts (that will become + blocks, eventually). */ struct context_stack -{ - /* Outer locals at the time we entered */ + { + /* Outer locals at the time we entered */ - struct pending *locals; + struct pending *locals; - /* Pointer into blocklist as of entry */ + /* Pending using directives at the time we entered. */ - struct pending_block *old_blocks; + struct using_direct *local_using_directives; - /* Name of function, if any, defining context*/ + /* Pointer into blocklist as of entry */ - struct symbol *name; + struct pending_block *old_blocks; - /* PC where this context starts */ + /* Name of function, if any, defining context */ - CORE_ADDR start_addr; + struct symbol *name; - /* Temp slot for exception handling. */ + /* Expression that computes the frame base of the lexically enclosing + function, if any. NULL otherwise. */ - CORE_ADDR end_addr; + struct dynamic_prop *static_link; - /* For error-checking matching push/pop */ + /* PC where this context starts */ - int depth; + CORE_ADDR start_addr; -}; + /* Temp slot for exception handling. */ + + CORE_ADDR end_addr; + + /* For error-checking matching push/pop */ + + int depth; + + }; EXTERN struct context_stack *context_stack; @@ -149,123 +176,130 @@ EXTERN int context_stack_depth; EXTERN int context_stack_size; -/* Macro "function" for popping contexts from the stack. Pushing is done - by a real function, push_context. This returns a pointer to a struct - context_stack. */ - -#define pop_context() (&context_stack[--context_stack_depth]); +/* Non-zero if the context stack is empty. */ +#define outermost_context_p() (context_stack_depth == 0) -/* Nonzero if within a function (so symbols should be local, - if nothing says specifically). */ +/* Nonzero if within a function (so symbols should be local, if + nothing says specifically). */ EXTERN int within_function; -/* List of blocks already made (lexical contexts already closed). - This is used at the end to make the blockvector. */ +/* The type of the record_line function. */ +typedef void (record_line_ftype) (struct subfile *subfile, int line, + CORE_ADDR pc); -struct pending_block -{ - struct pending_block *next; - struct block *block; -}; + -EXTERN struct pending_block *pending_blocks; +#define next_symbol_text(objfile) (*next_symbol_text_func)(objfile) - -struct subfile_stack -{ - struct subfile_stack *next; - char *name; -}; +/* Function to invoke get the next symbol. Return the symbol name. */ + +EXTERN char *(*next_symbol_text_func) (struct objfile *); + +extern void add_symbol_to_list (struct symbol *symbol, + struct pending **listhead); + +extern struct symbol *find_symbol_in_list (struct pending *list, + char *name, int length); + +extern struct block *finish_block (struct symbol *symbol, + struct pending **listhead, + struct pending_block *old_blocks, + const struct dynamic_prop *static_link, + CORE_ADDR start, + CORE_ADDR end); + +extern void record_block_range (struct block *, + CORE_ADDR start, CORE_ADDR end_inclusive); + +extern void really_free_pendings (void *dummy); + +extern void start_subfile (const char *name); + +extern void patch_subfile_names (struct subfile *subfile, char *name); + +extern void push_subfile (void); + +extern char *pop_subfile (void); + +extern struct block *end_symtab_get_static_block (CORE_ADDR end_addr, + int expandable, + int required); -EXTERN struct subfile_stack *subfile_stack; +extern struct compunit_symtab * + end_symtab_from_static_block (struct block *static_block, + int section, int expandable); -#define next_symbol_text() (*next_symbol_text_func)() +extern struct compunit_symtab *end_symtab (CORE_ADDR end_addr, int section); -/* Function to invoke get the next symbol. Return the symbol name. */ +extern struct compunit_symtab *end_expandable_symtab (CORE_ADDR end_addr, + int section); -EXTERN char *(*next_symbol_text_func) PARAMS ((void)); +extern void augment_type_symtab (void); -/* Vector of types defined so far, indexed by their type numbers. - Used for both stabs and coff. - (In newer sun systems, dbx uses a pair of numbers in parens, - as in "(SUBFILENUM,NUMWITHINSUBFILE)". Then these numbers must be - translated through the type_translations hash table to get - the index into the type vector.) */ +/* Defined in stabsread.c. */ -EXTERN struct type **type_vector; +extern void scan_file_globals (struct objfile *objfile); -/* Number of elements allocated for type_vector currently. */ +extern void buildsym_new_init (void); -EXTERN int type_vector_length; +extern void buildsym_init (void); -/* Initial size of type vector. Is realloc'd larger if needed, - and realloc'd down to the size actually used, when completed. */ +extern struct context_stack *push_context (int desc, CORE_ADDR valu); -#define INITIAL_TYPE_VECTOR_LENGTH 160 +extern struct context_stack *pop_context (void); -extern void -add_symbol_to_list PARAMS ((struct symbol *, struct pending **)); +extern record_line_ftype record_line; -extern struct symbol * -find_symbol_in_list PARAMS ((struct pending *, char *, int)); +extern struct compunit_symtab *start_symtab (struct objfile *objfile, + const char *name, + const char *comp_dir, + CORE_ADDR start_addr); -extern void -finish_block PARAMS ((struct symbol *, struct pending **, - struct pending_block *, CORE_ADDR, CORE_ADDR, - struct objfile *)); +extern void restart_symtab (struct compunit_symtab *cust, + const char *name, CORE_ADDR start_addr); -extern void -really_free_pendings PARAMS ((int foo)); +extern int hashname (const char *name); -extern void -start_subfile PARAMS ((char *, char *)); +extern void free_pending_blocks (void); -extern void -patch_subfile_names PARAMS ((struct subfile *subfile, char *name)); +/* Record the name of the debug format in the current pending symbol + table. FORMAT must be a string with a lifetime at least as long as + the symtab's objfile. */ -extern void -push_subfile PARAMS ((void)); +extern void record_debugformat (const char *format); -extern char * -pop_subfile PARAMS ((void)); +/* Record the name of the debuginfo producer (usually the compiler) in + the current pending symbol table. PRODUCER must be a string with a + lifetime at least as long as the symtab's objfile. */ -extern struct symtab * -end_symtab PARAMS ((CORE_ADDR, int, int, struct objfile *, int)); +extern void record_producer (const char *producer); -extern void -scan_file_globals PARAMS ((struct objfile *)); +extern void merge_symbol_lists (struct pending **srclist, + struct pending **targetlist); -extern void -buildsym_new_init PARAMS ((void)); +/* Set the name of the last source file. NAME is copied by this + function. */ -extern void -buildsym_init PARAMS ((void)); +extern void set_last_source_file (const char *name); -extern struct context_stack * -push_context PARAMS ((int, CORE_ADDR)); +/* Fetch the name of the last source file. */ -extern void -record_line PARAMS ((struct subfile *, int, CORE_ADDR)); +extern const char *get_last_source_file (void); -extern void -start_symtab PARAMS ((char *, char *, CORE_ADDR)); +/* Return the compunit symtab object. + It is only valid to call this between calls to start_symtab and the + end_symtab* functions. */ -extern struct partial_symtab * -start_psymtab PARAMS ((struct objfile *, struct section_offsets *, char *, - CORE_ADDR, int, struct partial_symbol *, - struct partial_symbol *)); +extern struct compunit_symtab *buildsym_compunit_symtab (void); -extern void -end_psymtab PARAMS ((struct partial_symtab *, char **, int, int, CORE_ADDR, - struct partial_symtab **, int)); +/* Return the macro table. + Initialize it if this is the first use. + It is only valid to call this between calls to start_symtab and the + end_symtab* functions. */ -extern void -process_one_symbol PARAMS ((int, int, CORE_ADDR, char *, - struct section_offsets *, struct objfile *)); -extern int -hashname PARAMS ((char *)); +extern struct macro_table *get_macro_table (void); #undef EXTERN -#endif /* defined (BUILDSYM_H) */ +#endif /* defined (BUILDSYM_H) */