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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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Andrew Cagney 2003-06-07 23:50:23 +00:00
parent b46e02f67c
commit 3a6c33433d
2 changed files with 133 additions and 126 deletions
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4
gdb/ChangeLog
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@ -1,3 +1,7 @@
2003-06-07 Andrew Cagney <cagney@redhat.com>
* symfile.h: Re-indent, clean up comments.
2003-06-07 Andrew Cagney <cagney@redhat.com>
* inferior.h (deprecated_write_sp): Replace

255
gdb/symfile.h
View File

@ -1,7 +1,7 @@
/* Definitions for reading symbol files into GDB.
Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
2000, 2001, 2002, 2003
Free Software Foundation, Inc.
Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
This file is part of GDB.
@ -26,48 +26,50 @@
/* This file requires that you first include "bfd.h". */
/* Opaque declarations. */
struct section_table;
struct objfile;
struct obstack;
struct block;
/* Partial symbols are stored in the psymbol_cache and pointers to them
are kept in a dynamically grown array that is obtained from malloc and
grown as necessary via realloc. Each objfile typically has two of these,
one for global symbols and one for static symbols. Although this adds
a level of indirection for storing or accessing the partial symbols,
it allows us to throw away duplicate psymbols and set all pointers
to the single saved instance. */
/* Partial symbols are stored in the psymbol_cache and pointers to
them are kept in a dynamically grown array that is obtained from
malloc and grown as necessary via realloc. Each objfile typically
has two of these, one for global symbols and one for static
symbols. Although this adds a level of indirection for storing or
accessing the partial symbols, it allows us to throw away duplicate
psymbols and set all pointers to the single saved instance. */
struct psymbol_allocation_list
{
{
/* Pointer to beginning of dynamically allocated array of pointers to
partial symbols. The array is dynamically expanded as necessary to
accommodate more pointers. */
/* Pointer to beginning of dynamically allocated array of pointers
to partial symbols. The array is dynamically expanded as
necessary to accommodate more pointers. */
struct partial_symbol **list;
struct partial_symbol **list;
/* Pointer to next available slot in which to store a pointer to a partial
symbol. */
/* Pointer to next available slot in which to store a pointer to a
partial symbol. */
struct partial_symbol **next;
struct partial_symbol **next;
/* Number of allocated pointer slots in current dynamic array (not the
number of bytes of storage). The "next" pointer will always point
somewhere between list[0] and list[size], and when at list[size] the
array will be expanded on the next attempt to store a pointer. */
/* Number of allocated pointer slots in current dynamic array (not
the number of bytes of storage). The "next" pointer will always
point somewhere between list[0] and list[size], and when at
list[size] the array will be expanded on the next attempt to
store a pointer. */
int size;
};
int size;
};
/* Define an array of addresses to accommodate non-contiguous dynamic
loading of modules. This is for use when entering commands, so we
can keep track of the section names until we read the file and
can map them to bfd sections. This structure is also used by
solib.c to communicate the section addresses in shared objects to
symbol_file_add (). */
struct section_addr_info
can keep track of the section names until we read the file and can
map them to bfd sections. This structure is also used by solib.c
to communicate the section addresses in shared objects to
symbol_file_add (). */
struct section_addr_info
{
/* The number of sections for which address information is
available. */
@ -85,56 +87,56 @@ struct section_addr_info
object file types. */
struct sym_fns
{
{
/* BFD flavour that we handle, or (as a special kludge, see xcoffread.c,
(enum bfd_flavour)-1 for xcoff). */
/* BFD flavour that we handle, or (as a special kludge, see
xcoffread.c, (enum bfd_flavour)-1 for xcoff). */
enum bfd_flavour sym_flavour;
enum bfd_flavour sym_flavour;
/* Initializes anything that is global to the entire symbol table. It is
called during symbol_file_add, when we begin debugging an entirely new
program. */
/* Initializes anything that is global to the entire symbol table.
It is called during symbol_file_add, when we begin debugging an
entirely new program. */
void (*sym_new_init) (struct objfile *);
void (*sym_new_init) (struct objfile *);
/* Reads any initial information from a symbol file, and initializes the
struct sym_fns SF in preparation for sym_read(). It is called every
time we read a symbol file for any reason. */
/* Reads any initial information from a symbol file, and initializes
the struct sym_fns SF in preparation for sym_read(). It is
called every time we read a symbol file for any reason. */
void (*sym_init) (struct objfile *);
void (*sym_init) (struct objfile *);
/* sym_read (objfile, mainline)
Reads a symbol file into a psymtab (or possibly a symtab).
OBJFILE is the objfile struct for the file we are reading.
MAINLINE is 1 if this is the
main symbol table being read, and 0 if a secondary
symbol file (e.g. shared library or dynamically loaded file)
is being read. */
/* sym_read (objfile, mainline) Reads a symbol file into a psymtab
(or possibly a symtab). OBJFILE is the objfile struct for the
file we are reading. MAINLINE is 1 if this is the main symbol
table being read, and 0 if a secondary symbol file (e.g. shared
library or dynamically loaded file) is being read. */
void (*sym_read) (struct objfile *, int);
void (*sym_read) (struct objfile *, int);
/* Called when we are finished with an objfile. Should do all cleanup
that is specific to the object file format for the particular objfile. */
/* Called when we are finished with an objfile. Should do all
cleanup that is specific to the object file format for the
particular objfile. */
void (*sym_finish) (struct objfile *);
void (*sym_finish) (struct objfile *);
/* This function produces a file-dependent section_offsets structure,
allocated in the objfile's storage, and based on the parameter.
The parameter is currently a CORE_ADDR (FIXME!) for backward compatibility
with the higher levels of GDB. It should probably be changed to
a string, where NULL means the default, and others are parsed in a file
dependent way. */
/* This function produces a file-dependent section_offsets
structure, allocated in the objfile's storage, and based on the
parameter. The parameter is currently a CORE_ADDR (FIXME!) for
backward compatibility with the higher levels of GDB. It should
probably be changed to a string, where NULL means the default,
and others are parsed in a file dependent way. */
void (*sym_offsets) (struct objfile *, struct section_addr_info *);
void (*sym_offsets) (struct objfile *, struct section_addr_info *);
/* Finds the next struct sym_fns. They are allocated and initialized
in whatever module implements the functions pointed to; an
initializer calls add_symtab_fns to add them to the global chain. */
/* Finds the next struct sym_fns. They are allocated and
initialized in whatever module implements the functions pointed
to; an initializer calls add_symtab_fns to add them to the global
chain. */
struct sym_fns *next;
struct sym_fns *next;
};
};
/* The default version of sym_fns.sym_offsets for readers that don't
do anything special. */
@ -146,21 +148,21 @@ extern void default_symfile_offsets (struct objfile *objfile,
extern void extend_psymbol_list (struct psymbol_allocation_list *,
struct objfile *);
/* Add any kind of symbol to a psymbol_allocation_list. */
/* Add any kind of symbol to a psymbol_allocation_list. */
/* #include "demangle.h" */
extern void
add_psymbol_to_list (char *, int, domain_enum, enum address_class,
struct psymbol_allocation_list *, long, CORE_ADDR,
enum language, struct objfile *);
extern void add_psymbol_to_list (char *, int, domain_enum, enum address_class,
struct psymbol_allocation_list *, long,
CORE_ADDR, enum language, struct objfile *);
extern void
add_psymbol_with_dem_name_to_list (char *, int, char *, int, domain_enum,
enum address_class,
struct psymbol_allocation_list *,
long, CORE_ADDR,
enum language, struct objfile *);
extern void add_psymbol_with_dem_name_to_list (char *, int, char *, int,
domain_enum,
enum address_class,
struct psymbol_allocation_list
*, long, CORE_ADDR,
enum language,
struct objfile *);
extern void init_psymbol_list (struct objfile *, int);
@ -178,9 +180,8 @@ extern void add_symtab_fns (struct sym_fns *);
extern void init_entry_point_info (struct objfile *);
extern void syms_from_objfile (struct objfile *,
struct section_addr_info *,
struct section_offsets *, int,
int, int);
struct section_addr_info *,
struct section_offsets *, int, int, int);
extern void new_symfile_objfile (struct objfile *, int, int);
@ -189,18 +190,20 @@ extern struct objfile *symbol_file_add (char *, int,
/* Create a new section_addr_info, with room for NUM_SECTIONS. */
extern struct section_addr_info *
alloc_section_addr_info (size_t num_sections);
extern struct section_addr_info *alloc_section_addr_info (size_t
num_sections);
/* Build (allocate and populate) a section_addr_info struct from
an existing section table. */
/* Build (allocate and populate) a section_addr_info struct from an
existing section table. */
struct section_table;
extern struct section_addr_info *
build_section_addr_info_from_section_table (const struct section_table *start,
const struct section_table *end);
extern struct section_addr_info
*build_section_addr_info_from_section_table (const struct section_table
*start,
const struct section_table
*end);
/* Free all memory allocated by build_section_addr_info_from_section_table. */
/* Free all memory allocated by
build_section_addr_info_from_section_table. */
extern void free_section_addr_info (struct section_addr_info *);
@ -217,14 +220,14 @@ extern void sort_block_syms (struct block *);
extern void sort_symtab_syms (struct symtab *);
/* Make a copy of the string at PTR with SIZE characters in the symbol obstack
(and add a null character at the end in the copy).
Returns the address of the copy. */
/* Make a copy of the string at PTR with SIZE characters in the symbol
obstack (and add a null character at the end in the copy). Returns
the address of the copy. */
extern char *obsavestring (const char *, int, struct obstack *);
/* Concatenate strings S1, S2 and S3; return the new string.
Space is found in the symbol_obstack. */
/* Concatenate strings S1, S2 and S3; return the new string. Space is
found in the symbol_obstack. */
extern char *obconcat (struct obstack *obstackp, const char *, const char *,
const char *);
@ -239,7 +242,7 @@ extern char *obconcat (struct obstack *obstackp, const char *, const char *,
this flag and then add the shared library symbols as needed. Note
that there is a potential for confusion, since if the shared
library symbols are not loaded, commands like "info fun" will *not*
report all the functions that are actually present. */
report all the functions that are actually present. */
extern int auto_solib_add;
@ -248,8 +251,7 @@ extern int auto_solib_add;
known to the debugger would cause the total shared library symbol
size to exceed this threshhold, then the shlib's symbols are not
added. The threshold is ignored if the user explicitly asks for a
shlib to be added, such as when using the "sharedlibrary"
command. */
shlib to be added, such as when using the "sharedlibrary" command. */
extern int auto_solib_limit;
@ -268,58 +270,59 @@ extern bfd *symfile_bfd_open (char *);
extern int get_section_index (struct objfile *, char *);
/* Utility functions for overlay sections: */
extern enum overlay_debugging_state {
ovly_off,
ovly_on,
extern enum overlay_debugging_state
{
ovly_off,
ovly_on,
ovly_auto
} overlay_debugging;
extern int overlay_cache_invalid;
/* return the "mapped" overlay section containing the PC */
/* Return the "mapped" overlay section containing the PC. */
extern asection *find_pc_mapped_section (CORE_ADDR);
/* return any overlay section containing the PC (even in its LMA region) */
/* Return any overlay section containing the PC (even in its LMA
region). */
extern asection *find_pc_overlay (CORE_ADDR);
/* return true if the section is an overlay */
/* Return true if the section is an overlay. */
extern int section_is_overlay (asection *);
/* return true if the overlay section is currently "mapped" */
/* Return true if the overlay section is currently "mapped". */
extern int section_is_mapped (asection *);
/* return true if pc belongs to section's VMA */
/* Return true if pc belongs to section's VMA. */
extern CORE_ADDR pc_in_mapped_range (CORE_ADDR, asection *);
/* return true if pc belongs to section's LMA */
/* Return true if pc belongs to section's LMA. */
extern CORE_ADDR pc_in_unmapped_range (CORE_ADDR, asection *);
/* map an address from a section's LMA to its VMA */
/* Map an address from a section's LMA to its VMA. */
extern CORE_ADDR overlay_mapped_address (CORE_ADDR, asection *);
/* map an address from a section's VMA to its LMA */
/* Map an address from a section's VMA to its LMA. */
extern CORE_ADDR overlay_unmapped_address (CORE_ADDR, asection *);
/* convert an address in an overlay section (force into VMA range) */
/* Convert an address in an overlay section (force into VMA range). */
extern CORE_ADDR symbol_overlayed_address (CORE_ADDR, asection *);
/* Load symbols from a file. */
/* Load symbols from a file. */
extern void symbol_file_add_main (char *args, int from_tty);
/* Clear GDB symbol tables. */
/* Clear GDB symbol tables. */
extern void symbol_file_clear (int from_tty);
extern bfd_byte *symfile_relocate_debug_section (bfd *abfd, asection *sectp,
bfd_byte *buf);
bfd_byte * buf);
/* From dwarfread.c */
extern void
dwarf_build_psymtabs (struct objfile *, int, file_ptr, unsigned int,
file_ptr, unsigned int);
extern void dwarf_build_psymtabs (struct objfile *, int, file_ptr,
unsigned int, file_ptr, unsigned int);
/* From dwarf2read.c */
extern int dwarf2_has_info (bfd * abfd);
extern int dwarf2_has_info (bfd *abfd);
extern void dwarf2_build_psymtabs (struct objfile *, int);
extern void dwarf2_build_frame_info (struct objfile *);
@ -328,17 +331,17 @@ extern void dwarf2_build_frame_info (struct objfile *);
/* Hack to force structures to exist before use in parameter list. */
struct ecoff_debug_hack
{
struct ecoff_debug_swap *a;
struct ecoff_debug_info *b;
};
extern void
mdebug_build_psymtabs (struct objfile *,
const struct ecoff_debug_swap *,
struct ecoff_debug_info *);
{
struct ecoff_debug_swap *a;
struct ecoff_debug_info *b;
};
extern void
elfmdebug_build_psymtabs (struct objfile *,
const struct ecoff_debug_swap *, asection *);
extern void mdebug_build_psymtabs (struct objfile *,
const struct ecoff_debug_swap *,
struct ecoff_debug_info *);
extern void elfmdebug_build_psymtabs (struct objfile *,
const struct ecoff_debug_swap *,
asection *);
#endif /* !defined(SYMFILE_H) */