X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Fsolib.h;h=2628ca0c2b799c3904a931fa9f06e1cf3f5653d1;hb=7ef412cf72a197d68e532604cc1fa21351adc858;hp=b811866f7f14a94becb63c27bd0778c208cd4c07;hpb=28e7fd62340426746f9c896cbc40c5d374ec47aa;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/solib.h b/gdb/solib.h index b811866f7f..2628ca0c2b 100644 --- a/gdb/solib.h +++ b/gdb/solib.h @@ -1,6 +1,6 @@ /* Shared library declarations for GDB, the GNU Debugger. - Copyright (C) 1992-2013 Free Software Foundation, Inc. + Copyright (C) 1992-2020 Free Software Foundation, Inc. This file is part of GDB. @@ -26,6 +26,11 @@ struct target_ops; struct target_so_ops; struct program_space; +#include "symfile-add-flags.h" + +/* List of known shared objects */ +#define so_list_head current_program_space->so_list + /* Called when we free all symtabs, to free the shared library information as well. */ @@ -33,8 +38,8 @@ extern void clear_solib (void); /* Called to add symbols from a shared library to gdb's symbol table. */ -extern void solib_add (char *, int, struct target_ops *, int); -extern int solib_read_symbols (struct so_list *, int); +extern void solib_add (const char *, int, int); +extern bool solib_read_symbols (struct so_list *, symfile_add_flags); /* Function to be called when the inferior starts up, to discover the names of shared libraries that are dynamically linked, the base @@ -47,9 +52,9 @@ extern void solib_create_inferior_hook (int from_tty); extern char *solib_name_from_address (struct program_space *, CORE_ADDR); -/* Return 1 if ADDR lies within SOLIB. */ +/* Return true if ADDR lies within SOLIB. */ -extern int solib_contains_address_p (const struct so_list *, CORE_ADDR); +extern bool solib_contains_address_p (const struct so_list *, CORE_ADDR); /* Return whether the data starting at VADDR, size SIZE, must be kept in a core file for shared libraries loaded before "gcore" is used @@ -57,37 +62,65 @@ extern int solib_contains_address_p (const struct so_list *, CORE_ADDR); applies when the section would otherwise not be kept in the core file (in particular, for readonly sections). */ -extern int solib_keep_data_in_core (CORE_ADDR vaddr, unsigned long size); +extern bool solib_keep_data_in_core (CORE_ADDR vaddr, unsigned long size); -/* Return 1 if PC lies in the dynamic symbol resolution code of the +/* Return true if PC lies in the dynamic symbol resolution code of the run time loader. */ -extern int in_solib_dynsym_resolve_code (CORE_ADDR); +extern bool in_solib_dynsym_resolve_code (CORE_ADDR); /* Discard symbols that were auto-loaded from shared libraries. */ -extern void no_shared_libraries (char *ignored, int from_tty); +extern void no_shared_libraries (const char *ignored, int from_tty); /* Set the solib operations for GDBARCH to NEW_OPS. */ extern void set_solib_ops (struct gdbarch *gdbarch, - struct target_so_ops *new_ops); + const struct target_so_ops *new_ops); + +/* Synchronize GDB's shared object list with inferior's. + + Extract the list of currently loaded shared objects from the + inferior, and compare it with the list of shared objects currently + in GDB's so_list_head list. Edit so_list_head to bring it in sync + with the inferior's new list. + + If we notice that the inferior has unloaded some shared objects, + free any symbolic info GDB had read about those shared objects. + + Don't load symbolic info for any new shared objects; just add them + to the list, and leave their symbols_loaded flag clear. -/* Return non-zero if NAME is the libpthread shared library. */ + If FROM_TTY is non-null, feel free to print messages about what + we're doing. */ -extern int libpthread_name_p (const char *name); +extern void update_solib_list (int from_tty); + +/* Return true if NAME is the libpthread shared library. */ + +extern bool libpthread_name_p (const char *name); /* Look up symbol from both symbol table and dynamic string table. */ extern CORE_ADDR gdb_bfd_lookup_symbol (bfd *abfd, - int (*match_sym) (asymbol *, void *), - void *data); + int (*match_sym) (const asymbol *, + const void *), + const void *data); /* Look up symbol from symbol table. */ extern CORE_ADDR gdb_bfd_lookup_symbol_from_symtab (bfd *abfd, - int (*match_sym) (asymbol *, - void *), - void *data); + int (*match_sym) + (const asymbol *, + const void *), + const void *data); + +/* Enable or disable optional solib event breakpoints as appropriate. */ + +extern void update_solib_breakpoints (void); + +/* Handle an solib event by calling solib_add. */ + +extern void handle_solib_event (void); #endif /* SOLIB_H */