X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Fbuildsym.h;h=60109a0da2e12c8d804978f5a73858a4b988cf30;hb=a206891ad10040bdee41999019af3cbf45abb5d6;hp=f9ef5f18e5c307a528aca8b71e7516d767eb607f;hpb=abd8680d6efd97e7ba848a6392ee3ad72be18cd0;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/buildsym.h b/gdb/buildsym.h index f9ef5f18e5..60109a0da2 100644 --- a/gdb/buildsym.h +++ b/gdb/buildsym.h @@ -1,11 +1,11 @@ /* Build symbol tables in GDB's internal format. - Copyright 1986-1993, 1996-1999 Free Software Foundation, Inc. + Copyright (C) 1986-2017 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 + 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, @@ -14,13 +14,16 @@ 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. */ + 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. @@ -33,20 +36,21 @@ 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; + hashname(). */ /* Core address of start of text of current source file. This too - comes from the N_SO symbol. */ + 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; @@ -55,17 +59,18 @@ EXTERN CORE_ADDR last_source_start_addr; 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; +{ + struct subfile *next; + /* Space for this is malloc'd. */ + char *name; + /* 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 *current_subfile; @@ -82,16 +87,6 @@ EXTERN unsigned char processing_gcc_compilation; 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; @@ -123,9 +118,13 @@ EXTERN struct pending *global_symbols; EXTERN struct pending *local_symbols; -/* func params local to lexical context */ +/* "using" directives local to lexical context. */ + +EXTERN struct using_direct *local_using_directives; + +/* global "using" directives. */ -EXTERN struct pending *param_symbols; +EXTERN struct using_direct *global_using_directives; /* Stack representing unclosed lexical contexts (that will become blocks, eventually). */ @@ -136,9 +135,9 @@ struct context_stack struct pending *locals; - /* Pending func params at the time we entered */ + /* Pending using directives at the time we entered. */ - struct pending *params; + struct using_direct *local_using_directives; /* Pointer into blocklist as of entry */ @@ -148,11 +147,16 @@ struct context_stack struct symbol *name; + /* Expression that computes the frame base of the lexically enclosing + function, if any. NULL otherwise. */ + + struct dynamic_prop *static_link; + /* PC where this context starts */ CORE_ADDR start_addr; - /* Temp slot for exception handling. */ + /* Temp slot for exception handling. */ CORE_ADDR end_addr; @@ -172,66 +176,25 @@ 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). */ 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; - }; +/* The type of the record_line function. */ +typedef void (record_line_ftype) (struct subfile *subfile, int line, + CORE_ADDR pc); -/* 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. */ +/* 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_free_pendings (struct pending *list); +EXTERN const char *(*next_symbol_text_func) (struct objfile *); extern void add_symbol_to_list (struct symbol *symbol, struct pending **listhead); @@ -239,24 +202,40 @@ extern void add_symbol_to_list (struct symbol *symbol, 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 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 (PTR dummy); +extern void really_free_pendings (void *dummy); -extern void start_subfile (char *name, char *dirname); +extern void start_subfile (const char *name); -extern void patch_subfile_names (struct subfile *subfile, char *name); +extern void patch_subfile_names (struct subfile *subfile, const 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); +extern struct block *end_symtab_get_static_block (CORE_ADDR end_addr, + int expandable, + int required); + +extern struct compunit_symtab * + end_symtab_from_static_block (struct block *static_block, + int section, int expandable); + +extern struct compunit_symtab *end_symtab (CORE_ADDR end_addr, int section); + +extern struct compunit_symtab *end_expandable_symtab (CORE_ADDR end_addr, + int section); + +extern void augment_type_symtab (void); /* Defined in stabsread.c. */ @@ -268,33 +247,59 @@ 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 struct context_stack *pop_context (void); -extern void start_symtab (char *name, char *dirname, CORE_ADDR start_addr); +extern record_line_ftype record_line; -extern int hashname (char *name); +extern struct compunit_symtab *start_symtab (struct objfile *objfile, + const char *name, + const char *comp_dir, + CORE_ADDR start_addr); -extern void free_pending_blocks (void); +extern void restart_symtab (struct compunit_symtab *cust, + const char *name, CORE_ADDR start_addr); + +extern int hashname (const char *name); -/* 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 void free_pending_blocks (void); -extern struct blockvector *make_blockvector (struct objfile *objfile); +/* 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. */ -/* 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_debugformat (const char *format); -extern void record_pending_block (struct objfile *objfile, - struct block *block, - struct pending_block *opblock); +/* 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 void record_debugformat (char *format); +extern void record_producer (const char *producer); extern void merge_symbol_lists (struct pending **srclist, struct pending **targetlist); +/* Set the name of the last source file. NAME is copied by this + function. */ + +extern void set_last_source_file (const char *name); + +/* Fetch the name of the last source file. */ + +extern const char *get_last_source_file (void); + +/* Return the compunit symtab object. + It is only valid to call this between calls to start_symtab and the + end_symtab* functions. */ + +extern struct compunit_symtab *buildsym_compunit_symtab (void); + +/* 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 struct macro_table *get_macro_table (void); + #undef EXTERN #endif /* defined (BUILDSYM_H) */