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authorStan Shebs <shebs@codesourcery.com>1999-04-16 01:34:07 +0000
committerStan Shebs <shebs@codesourcery.com>1999-04-16 01:34:07 +0000
commit071ea11e85eb9d529cc5eb3d35f6247466a21b99 (patch)
tree5deda65b8d7b04d1f4cbc534c3206d328e1267ec /gdb/buildsym.h
parent1730ec6b1848f0f32154277f788fb29f88d8475b (diff)
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Initial creation of sourceware repository
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-rw-r--r--gdb/buildsym.h297
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diff --git a/gdb/buildsym.h b/gdb/buildsym.h
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--- a/gdb/buildsym.h
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-/* Build symbol tables in GDB's internal format.
- Copyright 1986-1993, 1996-1999 Free Software Foundation, Inc.
-
-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 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. */
-
-#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.
-
- 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. */
-
-#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;
-
-/* Core address of start of text of current source file. This too
- comes from the N_SO symbol. */
-
-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. */
-
-struct subfile
- {
- struct subfile *next;
- char *name;
- char *dirname;
- struct linetable *line_vector;
- int line_vector_length;
- enum language language;
- char *debugformat;
- };
-
-EXTERN struct subfile *subfiles;
-
-EXTERN struct subfile *current_subfile;
-
-/* Global variable which, when set, indicates that we are processing a
- .o file compiled with gcc */
-
-EXTERN unsigned char processing_gcc_compilation;
-
-/* 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;
-
-/* elz: added this flag to know when a block is compiled with HP
- compilers (cc, aCC). This is necessary because of the macro
- COERCE_FLOAT_TO_DOUBLE defined in tm_hppa.h, which causes a
- coercion of float to double to always occur in parameter passing
- for a function called by gdb (see the function value_arg_coerce in
- valops.c). This is necessary only if the target was compiled with
- gcc, not with HP compilers or with g++ */
-
-EXTERN unsigned char processing_hp_compilation;
-
-/* Count symbols as they are processed, for error messages. */
-
-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. */
-
-#define PENDINGSIZE 100
-
-struct pending
- {
- struct pending *next;
- int nsyms;
- struct symbol *symbol[PENDINGSIZE];
- };
-
-/* Here are the three lists that symbols are put on. */
-
-/* static at top level, and types */
-
-EXTERN struct pending *file_symbols;
-
-/* global functions and variables */
-
-EXTERN struct pending *global_symbols;
-
-/* everything local to lexical context */
-
-EXTERN struct pending *local_symbols;
-
-/* func params local to lexical context */
-
-EXTERN struct pending *param_symbols;
-
-/* Stack representing unclosed lexical contexts (that will become
- blocks, eventually). */
-
-struct context_stack
- {
- /* Outer locals at the time we entered */
-
- struct pending *locals;
-
- /* Pending func params at the time we entered */
-
- struct pending *params;
-
- /* 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;
-
- /* 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 int within_function;
-
-/* List of blocks already made (lexical contexts already closed).
- This is used at the end to make the blockvector. */
-
-struct pending_block
- {
- struct pending_block *next;
- struct block *block;
- };
-
-/* 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;
- };
-
-EXTERN struct subfile_stack *subfile_stack;
-
-#define next_symbol_text(objfile) (*next_symbol_text_func)(objfile)
-
-/* Function to invoke get the next symbol. Return the symbol name. */
-
-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.) */
-
-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 (struct symbol *symbol,
- struct pending **listhead);
-
-extern struct symbol *find_symbol_in_list (struct pending *list,
- char *name, int length);
-
-extern void finish_block (struct symbol *symbol,
- struct pending **listhead,
- struct pending_block *old_blocks,
- CORE_ADDR start, CORE_ADDR end,
- struct objfile *objfile);
-
-extern void really_free_pendings (int foo);
-
-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 void scan_file_globals (struct objfile *objfile);
-
-extern void buildsym_new_init (void);
-
-extern void buildsym_init (void);
-
-extern struct context_stack *push_context (int desc, CORE_ADDR valu);
-
-extern void record_line (struct subfile *subfile, int line, CORE_ADDR pc);
-
-extern void start_symtab (char *name, char *dirname, CORE_ADDR start_addr);
-
-extern int hashname (char *name);
-
-extern void free_pending_blocks (void);
-
-/* FIXME: Note that this is used only in buildsym.c and dstread.c,
- which should be fixed to not need direct access to
- make_blockvector. */
-
-extern struct blockvector *make_blockvector (struct objfile *objfile);
-
-/* 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 record_pending_block (struct objfile *objfile,
- struct block *block,
- struct pending_block *opblock);
-
-extern void record_debugformat (char *format);
-
-extern void merge_symbol_lists (struct pending **srclist,
- struct pending **targetlist);
-
-#undef EXTERN
-
-#endif /* defined (BUILDSYM_H) */