along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+#if !defined (BUILDSYM_H)
+#define BUILDSYM_H 1
+
/* This module provides definitions used for creating and adding to
the symbol table. These routines are called from various symbol-
file-reading routines.
using this technique. */
#ifndef EXTERN
-#define EXTERN extern
+#define EXTERN extern
#endif
-extern void add_symbol_to_list ();
-extern void process_one_symbol ();
-extern struct type *read_type ();
-extern struct type *read_range_type ();
-extern struct type *read_enum_type ();
-extern struct type *read_struct_type ();
-extern struct type *read_array_type ();
-extern struct type **read_args ();
-extern struct type **dbx_lookup_type ();
-extern long read_number ();
-extern void finish_block ();
-extern struct blockvector *make_blockvector ();
-extern void add_undefined_type ();
-extern void really_free_pendings ();
-extern struct symtab *end_symtab ();
-extern void scan_file_globals ();
-extern void buildsym_new_init ();
-extern void buildsym_init ();
-
-/* Convert stab register number (from `r' declaration) to a gdb REGNUM. */
-
-#ifndef STAB_REG_TO_REGNUM
-#define STAB_REG_TO_REGNUM(VALUE) (VALUE)
-#endif
-\f
+#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. */
+ This comes from a symbol of type N_SO. */
EXTERN char *last_source_file;
/* Core address of start of text of current source file.
- This too comes from the N_SO symbol. */
+ This too comes from the N_SO symbol. */
EXTERN CORE_ADDR last_source_start_addr;
char *dirname;
struct linetable *line_vector;
int line_vector_length;
- int line_vector_index;
- int prev_line_number;
+ enum language language;
};
EXTERN struct subfile *subfiles;
EXTERN unsigned char processing_gcc_compilation;
-/* Count symbols as they are processed, for error messages. */
-
-EXTERN unsigned int symnum;
-
-/* Vector of types defined so far, indexed by their dbx type numbers.
- (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;
-
-/* Number of elements allocated for type_vector currently. */
-
-EXTERN int type_vector_length;
-
-/* Vector of line number information. */
-
-EXTERN struct linetable *line_vector;
+/* 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. */
-/* Index of next entry to go in line_vector_index. */
+EXTERN unsigned char processing_acc_compilation;
-EXTERN int line_vector_index;
-
-/* Last line number recorded in the line vector. */
-
-EXTERN int prev_line_number;
-
-/* Number of elements allocated for line_vector currently. */
-
-EXTERN int line_vector_length;
-
-/* Hash table of global symbols whose values are not known yet.
- They are chained thru the SYMBOL_VALUE_CHAIN, since we don't
- have the correct data for that slot yet. */
-/* The use of the LOC_BLOCK code in this chain is nonstandard--
- it refers to a FORTRAN common block rather than the usual meaning. */
+/* Count symbols as they are processed, for error messages. */
-#define HASHSIZE 127
-EXTERN struct symbol *global_sym_chain[HASHSIZE];
+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
};
/* List of free `struct pending' structures for reuse. */
+
EXTERN struct pending *free_pendings;
/* Here are the three lists that symbols are put on. */
EXTERN struct pending *global_symbols; /* global functions and variables */
-EXTERN struct pending *local_symbols; /* everything local to lexical context */
-
-/* List of symbols declared since the last BCOMM. This list is a tail
- of local_symbols. When ECOMM is seen, the symbols on the list
- are noted so their proper addresses can be filled in later,
- using the common block base address gotten from the assembler
- stabs. */
-
-EXTERN struct pending *common_block;
-EXTERN int common_block_i;
+EXTERN struct pending *local_symbols; /* everything local to lexic context */
/* Stack representing unclosed lexical contexts
(that will become blocks, eventually). */
struct context_stack
{
+ /* Outer locals at the time we entered */
+
struct pending *locals;
+
+ /* Pointer into blocklist as of entry */
+
struct pending_block *old_blocks;
+
+ /* Name of function, if any, defining context*/
+
struct symbol *name;
+
+ /* PC where this context starts */
+
CORE_ADDR start_addr;
- CORE_ADDR end_addr; /* Temp slot for exception handling. */
+
+ /* Temp slot for exception handling. */
+
+ CORE_ADDR end_addr;
+
+ /* For error-checking matching push/pop */
+
int depth;
+
};
EXTERN struct context_stack *context_stack;
/* Index of first unused entry in context stack. */
+
EXTERN int context_stack_depth;
/* Currently allocated size of 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]);
+
/* Nonzero if within a function (so symbols should be local,
if nothing says specifically). */
EXTERN struct pending_block *pending_blocks;
-extern CORE_ADDR startup_file_start; /* From blockframe.c */
-extern CORE_ADDR startup_file_end; /* From blockframe.c */
+\f
+struct subfile_stack
+{
+ struct subfile_stack *next;
+ char *name;
+};
-/* Global variable which, when set, indicates that we are processing a
- .o file compiled with gcc */
+EXTERN struct subfile_stack *subfile_stack;
-EXTERN unsigned char processing_gcc_compilation;
+#define next_symbol_text() (*next_symbol_text_func)()
-/* Setup a define to deal cleanly with the underscore problem */
+/* Function to invoke get the next symbol. Return the symbol name. */
-#ifdef NAMES_HAVE_UNDERSCORE
-#define HASH_OFFSET 1
-#else
-#define HASH_OFFSET 0
-#endif
-\f
-/* Support for Sun changes to dbx symbol format */
-
-/* For each identified header file, we have a table of types defined
- in that header file.
-
- header_files maps header file names to their type tables.
- It is a vector of n_header_files elements.
- Each element describes one header file.
- It contains a vector of types.
-
- Sometimes it can happen that the same header file produces
- different results when included in different places.
- This can result from conditionals or from different
- things done before including the file.
- When this happens, there are multiple entries for the file in this table,
- one entry for each distinct set of results.
- The entries are distinguished by the INSTANCE field.
- The INSTANCE field appears in the N_BINCL and N_EXCL symbol table and is
- used to match header-file references to their corresponding data. */
-
-struct header_file
-{
- char *name; /* Name of header file */
- int instance; /* Numeric code distinguishing instances
- of one header file that produced
- different results when included.
- It comes from the N_BINCL or N_EXCL. */
- struct type **vector; /* Pointer to vector of types */
- int length; /* Allocated length (# elts) of that vector */
-};
+EXTERN char *(*next_symbol_text_func) PARAMS ((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.) */
+
+EXTERN struct type **type_vector;
+
+/* Number of elements allocated for type_vector currently. */
+
+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. */
+
+#define INITIAL_TYPE_VECTOR_LENGTH 160
+
+extern void
+add_symbol_to_list PARAMS ((struct symbol *, struct pending **));
+
+extern struct symbol *
+find_symbol_in_list PARAMS ((struct pending *, char *, int));
+
+extern void
+finish_block PARAMS ((struct symbol *, struct pending **,
+ struct pending_block *, CORE_ADDR, CORE_ADDR,
+ struct objfile *));
+
+extern void
+really_free_pendings PARAMS ((int foo));
+
+extern void
+start_subfile PARAMS ((char *, char *));
+
+extern void
+patch_subfile_names PARAMS ((struct subfile *subfile, char *name));
+
+extern void
+push_subfile PARAMS ((void));
+
+extern char *
+pop_subfile PARAMS ((void));
+
+extern struct symtab *
+end_symtab PARAMS ((CORE_ADDR, int, int, struct objfile *, int));
+
+extern void
+scan_file_globals PARAMS ((struct objfile *));
-EXTERN struct header_file *header_files;
+extern void
+buildsym_new_init PARAMS ((void));
-EXTERN int n_header_files;
+extern void
+buildsym_init PARAMS ((void));
-EXTERN int n_allocated_header_files;
+extern struct context_stack *
+push_context PARAMS ((int, CORE_ADDR));
-/* Within each object file, various header files are assigned numbers.
- A type is defined or referred to with a pair of numbers
- (FILENUM,TYPENUM) where FILENUM is the number of the header file
- and TYPENUM is the number within that header file.
- TYPENUM is the index within the vector of types for that header file.
+extern void
+record_line PARAMS ((struct subfile *, int, CORE_ADDR));
- FILENUM == 1 is special; it refers to the main source of the object file,
- and not to any header file. FILENUM != 1 is interpreted by looking it up
- in the following table, which contains indices in header_files. */
+extern void
+start_symtab PARAMS ((char *, char *, CORE_ADDR));
-EXTERN int *this_object_header_files;
+extern int
+hashname PARAMS ((char *));
-EXTERN int n_this_object_header_files;
+#undef EXTERN
-EXTERN int n_allocated_this_object_header_files;
+#endif /* defined (BUILDSYM_H) */
projects / deliverable / binutils-gdb.git / blobdiff