gdb/symfile.h - Issue 124383005: GDB 7.6.50

Unified Diff: gdb/symfile.h

Issue 124383005: GDB 7.6.50 (Closed) Base URL: http://git.chromium.org/native_client/nacl-gdb.git@upstream

Patch Set: Created 6 years, 11 months ago

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Index: gdb/symfile.h

diff --git a/gdb/symfile.h b/gdb/symfile.h

index aca73594d7ebdb1a7e289c7a2c985aa191e29a29..106a9d9affa33dd59f7b8f6da7c2fd15c6e0650f 100644

--- a/gdb/symfile.h

+++ b/gdb/symfile.h

@@ -1,6 +1,6 @@

/* Definitions for reading symbol files into GDB.

This file is part of GDB.

@@ -22,7 +22,7 @@

/* This file requires that you first include "bfd.h". */

#include "symtab.h"

-#include "gdb_vecs.h"

+#include "probe.h"

/* Opaque declarations. */

struct target_section;

@@ -159,9 +159,10 @@ struct quick_symbol_functions

/* Expand and iterate over each "partial" symbol table in OBJFILE

where the source file is named NAME.

- If NAME is not absolute, a match after a '/' in the symbol

- table's file name will also work. FULL_PATH is the absolute file

- name, and REAL_PATH is the same, run through gdb_realpath.

+ If NAME is not absolute, a match after a '/' in the symbol table's

+ file name will also work, REAL_PATH is NULL then. If NAME is

+ absolute then REAL_PATH is non-NULL absolute file name as resolved

+ via gdb_realpath from NAME.

If a match is found, the "partial" symbol table is expanded.

Then, this calls iterate_over_some_symtabs (or equivalent) over

@@ -169,7 +170,6 @@ struct quick_symbol_functions

The result of this call is returned. */

int (*map_symtabs_matching_filename) (struct objfile *objfile,

const char *name,

- const char *full_path,

const char *real_path,

int (*callback) (struct symtab *,

void *),

@@ -189,16 +189,6 @@ struct quick_symbol_functions

int kind, const char *name,

domain_enum domain);

- /* This is called to expand symbol tables before looking up a

- symbol. A backend can choose to implement this and then have its

- `lookup_symbol' hook always return NULL, or the reverse. (It

- doesn't make sense to implement both.) The arguments are as for

- `lookup_symbol'. */

- void (*pre_expand_symtabs_matching) (struct objfile *objfile,

- enum block_enum block_kind,

- const char *name,

- domain_enum domain);

/* Print statistics about any indices loaded for OBJFILE. The

statistics should be printed to gdb_stdout. This is used for

"maint print statistics". */

@@ -211,8 +201,8 @@ struct quick_symbol_functions

/* This is called by objfile_relocate to relocate any indices loaded

for OBJFILE. */

void (*relocate) (struct objfile *objfile,

- struct section_offsets *new_offsets,

- struct section_offsets *delta);

+ const struct section_offsets *new_offsets,

+ const struct section_offsets *delta);

/* Find all the symbols in OBJFILE named FUNC_NAME, and ensure that

the corresponding symbol tables are loaded. */

@@ -222,17 +212,13 @@ struct quick_symbol_functions

/* Read all symbol tables associated with OBJFILE. */

void (*expand_all_symtabs) (struct objfile *objfile);

- /* Read all symbol tables associated with OBJFILE which have the

- file name FILENAME.

+ /* Read all symbol tables associated with OBJFILE which have

+ symtab_to_fullname equal to FULLNAME.

This is for the purposes of examining code only, e.g., expand_line_sal.

The routine may ignore debug info that is known to not be useful with

code, e.g., DW_TAG_type_unit for dwarf debug info. */

- void (*expand_symtabs_with_filename) (struct objfile *objfile,

- const char *filename);

- /* Return the file name of the file holding the global symbol in OBJFILE

- named NAME. If no such symbol exists in OBJFILE, return NULL. */

- const char *(*find_symbol_file) (struct objfile *objfile, const char *name);

+ void (*expand_symtabs_with_fullname) (struct objfile *objfile,

+ const char *fullname);

/* Find global or static symbols in all tables that are in NAMESPACE

and for which MATCH (symbol name, NAME) == 0, passing each to

@@ -251,8 +237,9 @@ struct quick_symbol_functions

CALLBACK returns 0 to indicate that the scan should continue, or

non-zero to indicate that the scan should be terminated. */

- void (*map_matching_symbols) (const char *name, domain_enum namespace,

- struct objfile *, int global,

+ void (*map_matching_symbols) (struct objfile *,

+ const char *name, domain_enum namespace,

+ int global,

int (*callback) (struct block *,

struct symbol *, void *),

void *data,

@@ -264,6 +251,8 @@ struct quick_symbol_functions

FILE_MATCHER is called for each file in OBJFILE. The file name

and the DATA argument are passed to it. If it returns zero, this

file is skipped. If FILE_MATCHER is NULL such file is not skipped.

+ If BASENAMES is non-zero the function should consider only base name of

+ DATA (passed file name is already only the lbasename part).

Otherwise, if KIND does not match this symbol is skipped.

@@ -279,7 +268,7 @@ struct quick_symbol_functions

functions. */

void (*expand_symtabs_matching)

(struct objfile *objfile,

- int (*file_matcher) (const char *, void *),

+ int (*file_matcher) (const char *, void *, int basenames),

int (*name_matcher) (const char *, void *),

enum search_domain kind,

void *data);

@@ -316,39 +305,10 @@ struct sym_probe_fns

OBJFILE. */

VEC (probe_p) *(*sym_get_probes) (struct objfile *);

- /* Return the number of arguments available to PROBE. PROBE will

- have come from a call to this objfile's sym_get_probes method.

- If you provide an implementation of sym_get_probes, you must

- implement this method as well. */

- unsigned (*sym_get_probe_argument_count) (struct objfile *objfile,

- struct probe *probe);

- /* Evaluate the Nth argument available to PROBE. PROBE will have

- come from a call to this objfile's sym_get_probes method. N will

- be between 0 and the number of arguments available to this probe.

- FRAME is the frame in which the evaluation is done; the frame's

- PC will match the address of the probe. If you provide an

- implementation of sym_get_probes, you must implement this method

- as well. */

- struct value *(*sym_evaluate_probe_argument) (struct objfile *objfile,

- struct probe *probe,

- unsigned n);

- /* Compile the Nth probe argument to an agent expression. PROBE

- will have come from a call to this objfile's sym_get_probes

- method. N will be between 0 and the number of arguments

- available to this probe. EXPR and VALUE are the agent expression

- that is being updated. */

- void (*sym_compile_to_ax) (struct objfile *objfile,

- struct probe *probe,

- struct agent_expr *expr,

- struct axs_value *value,

- unsigned n);

/* Relocate the probe section of OBJFILE. */

void (*sym_relocate_probe) (struct objfile *objfile,

- struct section_offsets *new_offsets,

- struct section_offsets *delta);

+ const struct section_offsets *new_offsets,

+ const struct section_offsets *delta);

};

/* Structure to keep track of symbol reading functions for various

@@ -356,12 +316,6 @@ struct sym_probe_fns

struct sym_fns

{

- /* BFD flavour that we handle, or (as a special kludge, see

- xcoffread.c, (enum bfd_flavour)-1 for xcoff). */

- 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. */

@@ -401,7 +355,7 @@ struct sym_fns

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 *, const struct section_addr_info *);

/* This function produces a format-independent description of

the segments of ABFD. Each segment is a unit of the file

@@ -413,7 +367,7 @@ struct sym_fns

the line table cannot be read while processing the debugging

information. */

- void (*sym_read_linetable) (void);

+ void (*sym_read_linetable) (struct objfile *);

/* Relocate the contents of a debug section SECTP. The

contents are stored in BUF if it is non-NULL, or returned in a

@@ -435,7 +389,7 @@ extern struct section_addr_info *

extern void relative_addr_info_to_section_offsets

(struct section_offsets *section_offsets, int num_sections,

- struct section_addr_info *addrs);

+ const struct section_addr_info *addrs);

extern void addr_info_make_relative (struct section_addr_info *addrs,

bfd *abfd);

@@ -444,7 +398,7 @@ extern void addr_info_make_relative (struct section_addr_info *addrs,

do anything special. */

extern void default_symfile_offsets (struct objfile *objfile,

- struct section_addr_info *);

+ const struct section_addr_info *);

/* The default version of sym_fns.sym_segments for readers that don't

do anything special. */

@@ -457,12 +411,13 @@ extern struct symfile_segment_data *default_symfile_segments (bfd *abfd);

extern bfd_byte *default_symfile_relocate (struct objfile *objfile,

asection *sectp, bfd_byte *buf);

-extern struct symtab *allocate_symtab (const char *, struct objfile *);

+extern struct symtab *allocate_symtab (const char *, struct objfile *)

+ ATTRIBUTE_NONNULL (1);

-extern void add_symtab_fns (const struct sym_fns *);

+extern void add_symtab_fns (enum bfd_flavour flavour, const struct sym_fns *);

/* This enum encodes bit-flags passed as ADD_FLAGS parameter to

- syms_from_objfile, symbol_file_add, etc. */

+ symbol_file_add, etc. */

enum symfile_add_flags

{

@@ -481,20 +436,17 @@ enum symfile_add_flags

SYMFILE_NO_READ = 1 << 4

};

-extern void syms_from_objfile (struct objfile *,

- struct section_addr_info *,

- struct section_offsets *, int, int);

extern void new_symfile_objfile (struct objfile *, int);

-extern struct objfile *symbol_file_add (char *, int,

+extern struct objfile *symbol_file_add (const char *, int,

struct section_addr_info *, int);

-extern struct objfile *symbol_file_add_from_bfd (bfd *, int,

+extern struct objfile *symbol_file_add_from_bfd (bfd *, const char *, int,

struct section_addr_info *,

int, struct objfile *parent);

-extern void symbol_file_add_separate (bfd *, int, struct objfile *);

+extern void symbol_file_add_separate (bfd *, const char *, int,

+ struct objfile *);

extern char *find_separate_debug_file_by_debuglink (struct objfile *);

@@ -518,19 +470,6 @@ extern struct section_addr_info

extern void free_section_addr_info (struct section_addr_info *);

-/* 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 NULL terminated variable argument list of `const char

- *' strings; return the new string. Space is found in the OBSTACKP.

- Argument list must be terminated by a sentinel expression `(char *)

- NULL'. */

-extern char *obconcat (struct obstack *obstackp, ...) ATTRIBUTE_SENTINEL;

/* Variables */

/* If non-zero, shared library symbols will be added automatically

@@ -551,9 +490,9 @@ extern void set_initial_language (void);

extern void find_lowest_section (bfd *, asection *, void *);

-extern bfd *symfile_bfd_open (char *);

+extern bfd *symfile_bfd_open (const char *);

-extern bfd *bfd_open_maybe_remote (const char *);

+extern bfd *gdb_bfd_open_maybe_remote (const char *);

extern int get_section_index (struct objfile *, char *);

@@ -595,7 +534,7 @@ extern CORE_ADDR overlay_unmapped_address (CORE_ADDR, struct obj_section *);

extern CORE_ADDR symbol_overlayed_address (CORE_ADDR, struct obj_section *);

/* Load symbols from a file. */

-extern void symbol_file_add_main (char *args, int from_tty);

+extern void symbol_file_add_main (const char *args, int from_tty);

/* Clear GDB symbol tables. */

extern void symbol_file_clear (int from_tty);

@@ -607,7 +546,7 @@ extern bfd_byte *symfile_relocate_debug_section (struct objfile *, asection *,

bfd_byte *);

extern int symfile_map_offsets_to_segments (bfd *,

- struct symfile_segment_data *,

+ const struct symfile_segment_data *,

struct section_offsets *,

int, const CORE_ADDR *);

struct symfile_segment_data *get_symfile_segment_data (bfd *abfd);

@@ -667,7 +606,7 @@ enum dwarf2_section_enum {

extern void dwarf2_get_section_info (struct objfile *,

enum dwarf2_section_enum,

- asection **, gdb_byte **,

+ asection **, const gdb_byte **,

bfd_size_type *);

extern int dwarf2_initialize_objfile (struct objfile *);

@@ -678,13 +617,6 @@ void dwarf2_free_objfile (struct objfile *);

/* From mdebugread.c */

-/* 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 *);

@@ -693,4 +625,8 @@ extern void elfmdebug_build_psymtabs (struct objfile *,

const struct ecoff_debug_swap *,

asection *);

+/* From minidebug.c. */

+extern bfd *find_separate_debug_file_in_section (struct objfile *);

#endif /* !defined(SYMFILE_H) */

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