/* Build symbol tables in GDB's internal format.
- Copyright (C) 1986-1995 Free Software Foundation, Inc.
+ Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1995, 1996,
+ 1997, 1998, 1999, 2000, 2002, 2003, 2007, 2008, 2009, 2010
+ 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#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;
+ char *producer;
+ char *debugformat;
+ struct symtab *symtab;
+ };
EXTERN struct subfile *current_subfile;
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;
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;
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;
\f
+
struct subfile_stack
-{
- struct subfile_stack *next;
- char *name;
-};
+ {
+ struct subfile_stack *next;
+ char *name;
+ };
EXTERN struct subfile_stack *subfile_stack;
/* Function to invoke get the next symbol. Return the symbol name. */
-EXTERN char *(*next_symbol_text_func) PARAMS ((struct objfile *));
+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;
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 (char *name, 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));
+extern void record_debugformat (char *format);
-extern void
-record_line PARAMS ((struct subfile *, int, CORE_ADDR));
+extern void record_producer (const char *producer);
-extern void
-start_symtab PARAMS ((char *, char *, CORE_ADDR));
+extern void merge_symbol_lists (struct pending **srclist,
+ struct pending **targetlist);
-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) */
projects / binutils.git / blobdiff