2003-06-07 Andrew Cagney <cagney@redhat.com>
* symfile.h: Re-indent, clean up comments.
This commit is contained in:
Andrew Cagney
parent
b46e02f67c
commit
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@ -1,3 +1,7 @@
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2003-06-07 Andrew Cagney <cagney@redhat.com>
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* symfile.h: Re-indent, clean up comments.
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2003-06-07 Andrew Cagney <cagney@redhat.com>
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* inferior.h (deprecated_write_sp): Replace
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205
gdb/symfile.h
205
gdb/symfile.h
@ -1,7 +1,7 @@
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/* Definitions for reading symbol files into GDB.
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Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
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2000, 2001, 2002, 2003
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Free Software Foundation, Inc.
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Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
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1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
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This file is part of GDB.
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@ -26,45 +26,47 @@
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/* This file requires that you first include "bfd.h". */
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/* Opaque declarations. */
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struct section_table;
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struct objfile;
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struct obstack;
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struct block;
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/* Partial symbols are stored in the psymbol_cache and pointers to them
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are kept in a dynamically grown array that is obtained from malloc and
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grown as necessary via realloc. Each objfile typically has two of these,
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one for global symbols and one for static symbols. Although this adds
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a level of indirection for storing or accessing the partial symbols,
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it allows us to throw away duplicate psymbols and set all pointers
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to the single saved instance. */
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/* Partial symbols are stored in the psymbol_cache and pointers to
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them are kept in a dynamically grown array that is obtained from
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malloc and grown as necessary via realloc. Each objfile typically
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has two of these, one for global symbols and one for static
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symbols. Although this adds a level of indirection for storing or
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accessing the partial symbols, it allows us to throw away duplicate
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psymbols and set all pointers to the single saved instance. */
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struct psymbol_allocation_list
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{
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{
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/* Pointer to beginning of dynamically allocated array of pointers to
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partial symbols. The array is dynamically expanded as necessary to
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accommodate more pointers. */
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/* Pointer to beginning of dynamically allocated array of pointers
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to partial symbols. The array is dynamically expanded as
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necessary to accommodate more pointers. */
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struct partial_symbol **list;
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/* Pointer to next available slot in which to store a pointer to a partial
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symbol. */
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/* Pointer to next available slot in which to store a pointer to a
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partial symbol. */
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struct partial_symbol **next;
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/* Number of allocated pointer slots in current dynamic array (not the
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number of bytes of storage). The "next" pointer will always point
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somewhere between list[0] and list[size], and when at list[size] the
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array will be expanded on the next attempt to store a pointer. */
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/* Number of allocated pointer slots in current dynamic array (not
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the number of bytes of storage). The "next" pointer will always
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point somewhere between list[0] and list[size], and when at
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list[size] the array will be expanded on the next attempt to
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store a pointer. */
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int size;
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};
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};
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/* Define an array of addresses to accommodate non-contiguous dynamic
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loading of modules. This is for use when entering commands, so we
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can keep track of the section names until we read the file and
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can map them to bfd sections. This structure is also used by
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solib.c to communicate the section addresses in shared objects to
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can keep track of the section names until we read the file and can
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map them to bfd sections. This structure is also used by solib.c
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to communicate the section addresses in shared objects to
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symbol_file_add (). */
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struct section_addr_info
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@ -85,56 +87,56 @@ struct section_addr_info
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object file types. */
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struct sym_fns
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{
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{
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/* BFD flavour that we handle, or (as a special kludge, see xcoffread.c,
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(enum bfd_flavour)-1 for xcoff). */
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/* BFD flavour that we handle, or (as a special kludge, see
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xcoffread.c, (enum bfd_flavour)-1 for xcoff). */
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enum bfd_flavour sym_flavour;
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/* Initializes anything that is global to the entire symbol table. It is
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called during symbol_file_add, when we begin debugging an entirely new
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program. */
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/* Initializes anything that is global to the entire symbol table.
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It is called during symbol_file_add, when we begin debugging an
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entirely new program. */
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void (*sym_new_init) (struct objfile *);
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/* Reads any initial information from a symbol file, and initializes the
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struct sym_fns SF in preparation for sym_read(). It is called every
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time we read a symbol file for any reason. */
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/* Reads any initial information from a symbol file, and initializes
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the struct sym_fns SF in preparation for sym_read(). It is
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called every time we read a symbol file for any reason. */
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void (*sym_init) (struct objfile *);
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/* sym_read (objfile, mainline)
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Reads a symbol file into a psymtab (or possibly a symtab).
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OBJFILE is the objfile struct for the file we are reading.
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MAINLINE is 1 if this is the
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main symbol table being read, and 0 if a secondary
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symbol file (e.g. shared library or dynamically loaded file)
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is being read. */
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/* sym_read (objfile, mainline) Reads a symbol file into a psymtab
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(or possibly a symtab). OBJFILE is the objfile struct for the
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file we are reading. MAINLINE is 1 if this is the main symbol
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table being read, and 0 if a secondary symbol file (e.g. shared
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library or dynamically loaded file) is being read. */
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void (*sym_read) (struct objfile *, int);
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/* Called when we are finished with an objfile. Should do all cleanup
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that is specific to the object file format for the particular objfile. */
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/* Called when we are finished with an objfile. Should do all
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cleanup that is specific to the object file format for the
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particular objfile. */
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void (*sym_finish) (struct objfile *);
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/* This function produces a file-dependent section_offsets structure,
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allocated in the objfile's storage, and based on the parameter.
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The parameter is currently a CORE_ADDR (FIXME!) for backward compatibility
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with the higher levels of GDB. It should probably be changed to
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a string, where NULL means the default, and others are parsed in a file
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dependent way. */
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/* This function produces a file-dependent section_offsets
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structure, allocated in the objfile's storage, and based on the
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parameter. The parameter is currently a CORE_ADDR (FIXME!) for
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backward compatibility with the higher levels of GDB. It should
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probably be changed to a string, where NULL means the default,
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and others are parsed in a file dependent way. */
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void (*sym_offsets) (struct objfile *, struct section_addr_info *);
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/* Finds the next struct sym_fns. They are allocated and initialized
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in whatever module implements the functions pointed to; an
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initializer calls add_symtab_fns to add them to the global chain. */
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/* Finds the next struct sym_fns. They are allocated and
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initialized in whatever module implements the functions pointed
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to; an initializer calls add_symtab_fns to add them to the global
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chain. */
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struct sym_fns *next;
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};
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};
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/* The default version of sym_fns.sym_offsets for readers that don't
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do anything special. */
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@ -150,17 +152,17 @@ extern void extend_psymbol_list (struct psymbol_allocation_list *,
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/* #include "demangle.h" */
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extern void
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add_psymbol_to_list (char *, int, domain_enum, enum address_class,
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struct psymbol_allocation_list *, long, CORE_ADDR,
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enum language, struct objfile *);
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extern void add_psymbol_to_list (char *, int, domain_enum, enum address_class,
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struct psymbol_allocation_list *, long,
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CORE_ADDR, enum language, struct objfile *);
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extern void
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add_psymbol_with_dem_name_to_list (char *, int, char *, int, domain_enum,
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extern void add_psymbol_with_dem_name_to_list (char *, int, char *, int,
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domain_enum,
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enum address_class,
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struct psymbol_allocation_list *,
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long, CORE_ADDR,
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enum language, struct objfile *);
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struct psymbol_allocation_list
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*, long, CORE_ADDR,
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enum language,
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struct objfile *);
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extern void init_psymbol_list (struct objfile *, int);
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@ -179,8 +181,7 @@ extern void init_entry_point_info (struct objfile *);
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extern void syms_from_objfile (struct objfile *,
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struct section_addr_info *,
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struct section_offsets *, int,
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int, int);
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struct section_offsets *, int, int, int);
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extern void new_symfile_objfile (struct objfile *, int, int);
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@ -189,18 +190,20 @@ extern struct objfile *symbol_file_add (char *, int,
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/* Create a new section_addr_info, with room for NUM_SECTIONS. */
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extern struct section_addr_info *
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alloc_section_addr_info (size_t num_sections);
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extern struct section_addr_info *alloc_section_addr_info (size_t
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num_sections);
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/* Build (allocate and populate) a section_addr_info struct from
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an existing section table. */
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/* Build (allocate and populate) a section_addr_info struct from an
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existing section table. */
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struct section_table;
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extern struct section_addr_info *
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build_section_addr_info_from_section_table (const struct section_table *start,
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const struct section_table *end);
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extern struct section_addr_info
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*build_section_addr_info_from_section_table (const struct section_table
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*start,
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const struct section_table
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*end);
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/* Free all memory allocated by build_section_addr_info_from_section_table. */
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/* Free all memory allocated by
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build_section_addr_info_from_section_table. */
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extern void free_section_addr_info (struct section_addr_info *);
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@ -217,14 +220,14 @@ extern void sort_block_syms (struct block *);
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extern void sort_symtab_syms (struct symtab *);
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/* Make a copy of the string at PTR with SIZE characters in the symbol obstack
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(and add a null character at the end in the copy).
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Returns the address of the copy. */
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/* Make a copy of the string at PTR with SIZE characters in the symbol
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obstack (and add a null character at the end in the copy). Returns
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the address of the copy. */
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extern char *obsavestring (const char *, int, struct obstack *);
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/* Concatenate strings S1, S2 and S3; return the new string.
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Space is found in the symbol_obstack. */
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/* Concatenate strings S1, S2 and S3; return the new string. Space is
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found in the symbol_obstack. */
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extern char *obconcat (struct obstack *obstackp, const char *, const char *,
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const char *);
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@ -248,8 +251,7 @@ extern int auto_solib_add;
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known to the debugger would cause the total shared library symbol
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size to exceed this threshhold, then the shlib's symbols are not
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added. The threshold is ignored if the user explicitly asks for a
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shlib to be added, such as when using the "sharedlibrary"
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command. */
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shlib to be added, such as when using the "sharedlibrary" command. */
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extern int auto_solib_limit;
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@ -268,38 +270,40 @@ extern bfd *symfile_bfd_open (char *);
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extern int get_section_index (struct objfile *, char *);
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/* Utility functions for overlay sections: */
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extern enum overlay_debugging_state {
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extern enum overlay_debugging_state
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{
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ovly_off,
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ovly_on,
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ovly_auto
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} overlay_debugging;
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extern int overlay_cache_invalid;
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/* return the "mapped" overlay section containing the PC */
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/* Return the "mapped" overlay section containing the PC. */
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extern asection *find_pc_mapped_section (CORE_ADDR);
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/* return any overlay section containing the PC (even in its LMA region) */
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/* Return any overlay section containing the PC (even in its LMA
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region). */
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extern asection *find_pc_overlay (CORE_ADDR);
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/* return true if the section is an overlay */
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/* Return true if the section is an overlay. */
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extern int section_is_overlay (asection *);
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/* return true if the overlay section is currently "mapped" */
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/* Return true if the overlay section is currently "mapped". */
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extern int section_is_mapped (asection *);
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/* return true if pc belongs to section's VMA */
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/* Return true if pc belongs to section's VMA. */
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extern CORE_ADDR pc_in_mapped_range (CORE_ADDR, asection *);
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/* return true if pc belongs to section's LMA */
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/* Return true if pc belongs to section's LMA. */
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extern CORE_ADDR pc_in_unmapped_range (CORE_ADDR, asection *);
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/* map an address from a section's LMA to its VMA */
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/* Map an address from a section's LMA to its VMA. */
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extern CORE_ADDR overlay_mapped_address (CORE_ADDR, asection *);
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/* map an address from a section's VMA to its LMA */
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/* Map an address from a section's VMA to its LMA. */
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extern CORE_ADDR overlay_unmapped_address (CORE_ADDR, asection *);
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/* convert an address in an overlay section (force into VMA range) */
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/* Convert an address in an overlay section (force into VMA range). */
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extern CORE_ADDR symbol_overlayed_address (CORE_ADDR, asection *);
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/* Load symbols from a file. */
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@ -309,17 +313,16 @@ extern void symbol_file_add_main (char *args, int from_tty);
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extern void symbol_file_clear (int from_tty);
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extern bfd_byte *symfile_relocate_debug_section (bfd *abfd, asection *sectp,
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bfd_byte *buf);
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bfd_byte * buf);
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/* From dwarfread.c */
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extern void
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dwarf_build_psymtabs (struct objfile *, int, file_ptr, unsigned int,
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file_ptr, unsigned int);
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extern void dwarf_build_psymtabs (struct objfile *, int, file_ptr,
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unsigned int, file_ptr, unsigned int);
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/* From dwarf2read.c */
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extern int dwarf2_has_info (bfd * abfd);
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extern int dwarf2_has_info (bfd *abfd);
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extern void dwarf2_build_psymtabs (struct objfile *, int);
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extern void dwarf2_build_frame_info (struct objfile *);
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@ -328,17 +331,17 @@ extern void dwarf2_build_frame_info (struct objfile *);
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/* Hack to force structures to exist before use in parameter list. */
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struct ecoff_debug_hack
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{
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{
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struct ecoff_debug_swap *a;
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struct ecoff_debug_info *b;
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};
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extern void
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mdebug_build_psymtabs (struct objfile *,
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};
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extern void mdebug_build_psymtabs (struct objfile *,
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const struct ecoff_debug_swap *,
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struct ecoff_debug_info *);
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extern void
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elfmdebug_build_psymtabs (struct objfile *,
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const struct ecoff_debug_swap *, asection *);
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extern void elfmdebug_build_psymtabs (struct objfile *,
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const struct ecoff_debug_swap *,
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asection *);
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#endif /* !defined(SYMFILE_H) */
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