X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Fbuildsym.h;h=1604ef51fb443f958bebbf4db63f469ee203889b;hb=2e6af8c0457c1d449c64e16741ae88b87a490ce7;hp=f70231cd6450ba7f3c15de16c7ab20b31002a84e;hpb=3c02636b4ef8b4526865bf3a9baeba2011ff0d08;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/buildsym.h b/gdb/buildsym.h index f70231cd64..1604ef51fb 100644 --- a/gdb/buildsym.h +++ b/gdb/buildsym.h @@ -1,68 +1,78 @@ /* Build symbol tables in GDB's internal format. - Copyright (C) 1986-1991 Free Software Foundation, Inc. + Copyright (C) 1986-1993, 1995-2000, 2002-2003, 2007-2012 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; + /* 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; #ifndef EXTERN #define EXTERN extern #endif -#define HASHSIZE 127 /* Size of things hashed via hashname() */ +#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. */ +/* Name of source file whose symbol data we are now processing. This + comes from a symbol of type N_SO for stabs. For Dwarf it comes + from the DW_AT_name attribute of a DW_TAG_compile_unit DIE. */ EXTERN char *last_source_file; -/* 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; - char *name; - char *dirname; - struct linetable *line_vector; - int line_vector_length; - enum language language; -}; - -EXTERN struct subfile *subfiles; + { + struct subfile *next; + char *name; + char *dirname; + struct linetable *line_vector; + int line_vector_length; + enum language language; + const char *producer; + const char *debugformat; + struct symtab *symtab; + }; EXTERN struct subfile *current_subfile; @@ -71,7 +81,11 @@ EXTERN struct subfile *current_subfile; EXTERN unsigned char processing_gcc_compilation; -/* When set, we are processing a .o file compiled by sun acc */ +/* When set, we are processing a .o file compiled by sun acc. This is + misnamed; it refers to all stabs-in-elf implementations which use + N_UNDF the way Sun does, including Solaris gcc. Hopefully all + stabs-in-elf implementations ever invented will choose to be + compatible. */ EXTERN unsigned char processing_acc_compilation; @@ -79,61 +93,79 @@ 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]; + }; + +/* Here are the three lists that symbols are put on. */ -/* List of free `struct pending' structures for reuse. */ +/* static at top level, and types */ -EXTERN struct pending *free_pendings; +EXTERN struct pending *file_symbols; -/* Here are the three lists that symbols are put on. */ +/* global functions and variables */ + +EXTERN struct pending *global_symbols; + +/* everything local to lexical context */ -EXTERN struct pending *file_symbols; /* static at top level, and types */ +EXTERN struct pending *local_symbols; -EXTERN struct pending *global_symbols; /* global functions and variables */ +/* func params local to lexical context */ -EXTERN struct pending *local_symbols; /* everything local to lexic context */ +EXTERN struct pending *param_symbols; -/* Stack representing unclosed lexical contexts - (that will become blocks, eventually). */ +/* "using" directives local to lexical context. */ + +EXTERN struct using_direct *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; + + /* Pending func params at the time we entered */ - struct pending *locals; + struct pending *params; - /* Pointer into blocklist as of entry */ + /* Pending using directives at the time we entered. */ - struct pending_block *old_blocks; + struct using_direct *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. */ + /* PC where this context starts */ - CORE_ADDR end_addr; + CORE_ADDR start_addr; - /* For error-checking matching push/pop */ + /* Temp slot for exception handling. */ - int depth; + CORE_ADDR end_addr; -}; + /* For error-checking matching push/pop */ + + int depth; + + }; EXTERN struct context_stack *context_stack; @@ -145,14 +177,11 @@ 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; @@ -160,34 +189,38 @@ EXTERN int within_function; This is used at the end to make the blockvector. */ struct pending_block -{ - struct pending_block *next; - struct block *block; -}; + { + struct pending_block *next; + struct block *block; + }; -EXTERN struct pending_block *pending_blocks; +/* Pointer to the head of a linked list of symbol blocks which have + already been finalized (lexical contexts already closed) and which + are just waiting to be built into a blockvector when finalizing the + associated symtab. */ +EXTERN struct pending_block *pending_blocks; + struct subfile_stack -{ - struct subfile_stack *next; - char *name; -}; + { + struct subfile_stack *next; + char *name; + }; EXTERN struct subfile_stack *subfile_stack; -#define next_symbol_text() (*next_symbol_text_func)() +#define next_symbol_text(objfile) (*next_symbol_text_func)(objfile) -/* Function to invoke get the next symbol. Return the symbol name. */ +/* Function to invoke get the next symbol. Return the symbol name. */ -EXTERN char *(*next_symbol_text_func) PARAMS ((void)); +EXTERN char *(*next_symbol_text_func) (struct objfile *); /* 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.) */ + 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.) */ EXTERN struct type **type_vector; @@ -195,73 +228,89 @@ EXTERN struct type **type_vector; EXTERN int type_vector_length; -/* Initial size of type vector. Is realloc'd larger if needed, - and realloc'd down to the size actually used, when completed. */ +/* Initial size of type vector. Is realloc'd larger if needed, and + realloc'd down to the size actually used, when completed. */ #define INITIAL_TYPE_VECTOR_LENGTH 160 -extern void -add_symbol_to_list PARAMS ((struct symbol *, struct pending **)); +extern void add_free_pendings (struct pending *list); + +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, + CORE_ADDR start, CORE_ADDR end, + struct objfile *objfile); + +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, const char *dirname); + +extern void patch_subfile_names (struct subfile *subfile, char *name); + +extern void push_subfile (void); + +extern char *pop_subfile (void); + +extern struct symtab *end_symtab (CORE_ADDR end_addr, + struct objfile *objfile, int section); + +/* Defined in stabsread.c. */ -extern struct symbol * -find_symbol_in_list PARAMS ((struct pending *, char *, int)); +extern void scan_file_globals (struct objfile *objfile); -extern void -finish_block PARAMS ((struct symbol *, struct pending **, - struct pending_block *, CORE_ADDR, CORE_ADDR, - struct objfile *)); +extern void buildsym_new_init (void); -extern void -really_free_pendings PARAMS ((int foo)); +extern void buildsym_init (void); -extern void -start_subfile PARAMS ((char *, char *)); +extern struct context_stack *push_context (int desc, CORE_ADDR valu); -extern void -patch_subfile_names PARAMS ((struct subfile *subfile, char *name)); +extern struct context_stack *pop_context (void); -extern void -push_subfile PARAMS ((void)); +extern void record_line (struct subfile *subfile, int line, CORE_ADDR pc); -extern char * -pop_subfile PARAMS ((void)); +extern void start_symtab (char *name, char *dirname, CORE_ADDR start_addr); -extern struct symtab * -end_symtab PARAMS ((CORE_ADDR, int, int, struct objfile *, int)); +extern int hashname (char *name); -extern void -scan_file_globals PARAMS ((struct objfile *)); +extern void free_pending_blocks (void); -extern void -buildsym_new_init PARAMS ((void)); +/* FIXME: Note that this is used only in buildsym.c and dstread.c, + which should be fixed to not need direct access to + record_pending_block. */ -extern void -buildsym_init PARAMS ((void)); +extern void record_pending_block (struct objfile *objfile, + struct block *block, + struct pending_block *opblock); -extern struct context_stack * -push_context PARAMS ((int, CORE_ADDR)); +/* 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 -record_line PARAMS ((struct subfile *, int, CORE_ADDR)); +extern void record_debugformat (const char *format); -extern void -start_symtab PARAMS ((char *, char *, CORE_ADDR)); +/* 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 partial_symtab * -start_psymtab PARAMS ((struct objfile *, struct section_offsets *, char *, - CORE_ADDR, int, struct partial_symbol *, - struct partial_symbol *)); +extern void record_producer (const char *producer); -extern void -end_psymtab PARAMS ((struct partial_symtab *, char **, int, int, CORE_ADDR, - struct partial_symtab **, int)); +extern void merge_symbol_lists (struct pending **srclist, + struct pending **targetlist); -extern void -process_one_symbol PARAMS ((int, int, CORE_ADDR, char *, - struct section_offsets *, struct objfile *)); -extern int -hashname PARAMS ((char *)); +/* The macro table for the compilation unit whose symbols we're + currently reading. All the symtabs for this CU will point to + this. */ +EXTERN struct macro_table *pending_macros; #undef EXTERN -#endif /* defined (BUILDSYM_H) */ +#endif /* defined (BUILDSYM_H) */