/* *INDENT-OFF* */ /* ATTRIBUTE_PRINTF confuses indent, avoid running it
for now. */
/* Basic, host-specific, and target-specific definitions for GDB.
- Copyright (C) 1986-2015 Free Software Foundation, Inc.
+ Copyright (C) 1986-2016 Free Software Foundation, Inc.
This file is part of GDB.
#include "ui-file.h"
#include "host-defs.h"
+#include "common/enum-flags.h"
/* Scope types enumerator. List the types of scopes the compiler will
accept. */
#include "hashtab.h"
-#ifndef min
-#define min(a, b) ((a) < (b) ? (a) : (b))
-#endif
-#ifndef max
-#define max(a, b) ((a) > (b) ? (a) : (b))
-#endif
-
/* * Enable dbx commands if set. */
extern int dbx_commands;
/* * Search path for separate debug files. */
extern char *debug_file_directory;
-/* GDB has two methods for handling SIGINT. When immediate_quit is
- nonzero, a SIGINT results in an immediate longjmp out of the signal
- handler. Otherwise, SIGINT simply sets a flag; code that might
- take a long time, and which ought to be interruptible, checks this
- flag using the QUIT macro.
+/* GDB's SIGINT handler basically sets a flag; code that might take a
+ long time before it gets back to the event loop, and which ought to
+ be interruptible, checks this flag using the QUIT macro, which, if
+ GDB has the terminal, throws a quit exception.
+
+ In addition to setting a flag, the SIGINT handler also marks a
+ select/poll-able file descriptor as read-ready. That is used by
+ interruptible_select in order to support interrupting blocking I/O
+ in a race-free manner.
These functions use the extension_language_ops API to allow extension
language(s) and GDB SIGINT handling to coexist seamlessly. */
-/* * Clear the quit flag. */
-extern void clear_quit_flag (void);
/* * Evaluate to non-zero if the quit flag is set, zero otherwise. This
will clear the quit flag as a side effect. */
extern int check_quit_flag (void);
/* * Set the quit flag. */
extern void set_quit_flag (void);
+/* The current quit handler (and its type). This is called from the
+ QUIT macro. See default_quit_handler below for default behavior.
+ Parts of GDB temporarily override this to e.g., completely suppress
+ Ctrl-C because it would not be safe to throw. E.g., normally, you
+ wouldn't want to quit between a RSP command and its response, as
+ that would break the communication with the target, but you may
+ still want to intercept the Ctrl-C and offer to disconnect if the
+ user presses Ctrl-C multiple times while the target is stuck
+ waiting for the wedged remote stub. */
+typedef void (quit_handler_ftype) (void);
+extern quit_handler_ftype *quit_handler;
+
+/* Override the current quit handler. Sets NEW_QUIT_HANDLER as
+ current quit handler, and installs a cleanup that when run restores
+ the previous quit handler. */
+struct cleanup *
+ make_cleanup_override_quit_handler (quit_handler_ftype *new_quit_handler);
+
+/* The default quit handler. Checks whether Ctrl-C was pressed, and
+ if so:
+
+ - If GDB owns the terminal, throws a quit exception.
+
+ - If GDB does not own the terminal, forwards the Ctrl-C to the
+ target.
+*/
+extern void default_quit_handler (void);
+
/* Flag that function quit should call quit_force. */
extern volatile int sync_quit_force_run;
-extern int immediate_quit;
-
extern void quit (void);
/* Helper for the QUIT macro. */
extern void maybe_quit (void);
-/* Check whether a Ctrl-C was typed, and if so, call quit. The target
- is given a chance to process the Ctrl-C. E.g., it may detect that
- repeated Ctrl-C requests were issued, and choose to close the
- connection. */
+/* Check whether a Ctrl-C was typed, and if so, call the current quit
+ handler. */
#define QUIT maybe_quit ()
+/* Set the serial event associated with the quit flag. */
+extern void quit_serial_event_set (void);
+
+/* Clear the serial event associated with the quit flag. */
+extern void quit_serial_event_clear (void);
+
/* * Languages represented in the symbol table and elsewhere.
This should probably be in language.h, but since enum's can't
be forward declared to satisfy opaque references before their
- actual definition, needs to be here. */
+ actual definition, needs to be here.
+
+ The constants here are in priority order. In particular,
+ demangling is attempted according to this order.
+
+ Note that there's ambiguity between the mangling schemes of some of
+ these languages, so some symbols could be successfully demangled by
+ several languages. For that reason, the constants here are sorted
+ in the order we'll attempt demangling them. For example: Rust uses
+ C++ mangling, so must come after C++; Ada must come last (see
+ ada_sniff_from_mangled_name). */
enum language
{
language_unknown, /* Language not known */
language_auto, /* Placeholder for automatic setting */
language_c, /* C */
+ language_objc, /* Objective-C */
language_cplus, /* C++ */
language_d, /* D */
language_go, /* Go */
- language_objc, /* Objective-C */
- language_java, /* Java */
language_fortran, /* Fortran */
language_m2, /* Modula-2 */
language_asm, /* Assembly language */
language_pascal, /* Pascal */
- language_ada, /* Ada */
language_opencl, /* OpenCL */
+ language_rust, /* Rust */
language_minimal, /* All other languages, minimal support only */
+ language_ada, /* Ada */
nr_languages
};
/* * Remote targets may wish to use this as their load function. */
extern void generic_load (const char *name, int from_tty);
-/* * Report on STREAM the performance of memory transfer operation,
- such as 'load'.
- @param DATA_COUNT is the number of bytes transferred.
- @param WRITE_COUNT is the number of separate write operations, or 0,
- if that information is not available.
- @param START_TIME is the time at which an operation was started.
- @param END_TIME is the time at which an operation ended. */
-struct timeval;
-extern void print_transfer_performance (struct ui_file *stream,
- unsigned long data_count,
- unsigned long write_count,
- const struct timeval *start_time,
- const struct timeval *end_time);
-
/* From top.c */
typedef void initialize_file_ftype (void);
-extern char *gdb_readline (const char *);
-
extern char *gdb_readline_wrapper (const char *);
extern char *command_line_input (const char *, int, char *);
extern void print_prompt (void);
-extern int input_from_terminal_p (void);
+struct ui;
+
+extern int input_interactive_p (struct ui *);
extern int info_verbose;
GDB_OSABI_OPENBSD_ELF,
GDB_OSABI_WINCE,
GDB_OSABI_GO32,
- GDB_OSABI_IRIX,
GDB_OSABI_HPUX_ELF,
GDB_OSABI_HPUX_SOM,
GDB_OSABI_QNXNTO,
GDB_OSABI_INVALID /* keep this last */
};
-/* Global functions from other, non-gdb GNU thingies.
- Libiberty thingies are no longer declared here. We include libiberty.h
- above, instead. */
+/* Enumerate the requirements a symbol has in order to be evaluated.
+ These are listed in order of "strength" -- a later entry subsumes
+ earlier ones. This fine-grained distinction is important because
+ it allows for the evaluation of a TLS symbol during unwinding --
+ when unwinding one has access to registers, but not the frame
+ itself, because that is being constructed. */
-/* From other system libraries */
+enum symbol_needs_kind
+{
+ /* No special requirements -- just memory. */
+ SYMBOL_NEEDS_NONE,
-#ifndef atof
-extern double atof (const char *); /* X3.159-1989 4.10.1.1 */
-#endif
+ /* The symbol needs registers. */
+ SYMBOL_NEEDS_REGISTERS,
+
+ /* The symbol needs a frame. */
+ SYMBOL_NEEDS_FRAME
+};
/* Dynamic target-system-dependent parameters for GDB. */
#include "gdbarch.h"
FIRST_LOCAL_BLOCK = 2
};
+/* User selection used in observer.h and multiple print functions. */
+
+enum user_selected_what_flag
+ {
+ /* Inferior selected. */
+ USER_SELECTED_INFERIOR = 1 << 1,
+
+ /* Thread selected. */
+ USER_SELECTED_THREAD = 1 << 2,
+
+ /* Frame selected. */
+ USER_SELECTED_FRAME = 1 << 3
+ };
+DEF_ENUM_FLAGS_TYPE (enum user_selected_what_flag, user_selected_what);
+
#include "utils.h"
#endif /* #ifndef DEFS_H */
projects / deliverable / binutils-gdb.git / blobdiff