/* Core dump and executable file functions below target vector, for GDB.
- Copyright 1986, 87, 89, 91, 92, 93, 94, 95, 96, 97, 1998
+ Copyright 1986, 1987, 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1997,
+ 1998, 1999, 2000, 2001
Free Software Foundation, Inc.
This file is part of GDB.
#include <errno.h>
#include <signal.h>
#include <fcntl.h>
+#ifdef HAVE_SYS_FILE_H
+#include <sys/file.h> /* needed for F_OK and friends */
+#endif
#include "frame.h" /* required by inferior.h */
#include "inferior.h"
#include "symtab.h"
#include "target.h"
#include "gdbcore.h"
#include "gdbthread.h"
+#include "regcache.h"
+#include "symfile.h"
+#include <readline/readline.h>
+
+#ifndef O_BINARY
+#define O_BINARY 0
+#endif
/* List of all available core_fns. On gdb startup, each core file register
reader calls add_core_fns() to register information on each core format it
static void core_files_info (struct target_ops *);
#ifdef SOLIB_ADD
-static int solib_add_stub (PTR);
+static int solib_add_stub (void *);
#endif
static struct core_fns *sniff_core_bfd (bfd *);
-static boolean gdb_check_format (bfd *);
+static int gdb_check_format (bfd *);
static void core_open (char *, int);
static void get_core_registers (int);
-static void add_to_thread_list (bfd *, asection *, PTR);
+static void add_to_thread_list (bfd *, asection *, void *);
static int ignore (CORE_ADDR, char *);
-static char *core_file_to_sym_file (char *);
-
-static int core_file_thread_alive (int tid);
+static int core_file_thread_alive (ptid_t tid);
static void init_core_ops (void);
handle. */
void
-add_core_fns (cf)
- struct core_fns *cf;
+add_core_fns (struct core_fns *cf)
{
cf->next = core_file_fns;
core_file_fns = cf;
reading the core file. */
int
-default_core_sniffer (our_fns, abfd)
- struct core_fns *our_fns;
- bfd *abfd;
+default_core_sniffer (struct core_fns *our_fns, bfd *abfd)
{
int result;
/* Walk through the list of core functions to find a set that can
handle the core file open on ABFD. Default to the first one in the
- list of nothing matches. Returns pointer to set that is
+ list if nothing matches. Returns pointer to set that is
selected. */
static struct core_fns *
-sniff_core_bfd (abfd)
- bfd *abfd;
+sniff_core_bfd (bfd *abfd)
{
struct core_fns *cf;
struct core_fns *yummy = NULL;
core file handler that recognizes it. */
int
-default_check_format (abfd)
- bfd *abfd;
+default_check_format (bfd *abfd)
{
return (0);
}
/* Attempt to recognize core file formats that BFD rejects. */
-static boolean
-gdb_check_format (abfd)
- bfd *abfd;
+static int
+gdb_check_format (bfd *abfd)
{
struct core_fns *cf;
{
if (cf->check_format (abfd))
{
- return (true);
+ return (1);
}
}
- return (false);
+ return (0);
}
/* Discard all vestiges of any previous core file and mark data and stack
/* ARGSUSED */
static void
-core_close (quitting)
- int quitting;
+core_close (int quitting)
{
char *name;
if (core_bfd)
{
- inferior_pid = 0; /* Avoid confusion from thread stuff */
+ inferior_ptid = null_ptid; /* Avoid confusion from thread stuff */
/* Clear out solib state while the bfd is still open. See
comments in clear_solib in solib.c. */
if (!bfd_close (core_bfd))
warning ("cannot close \"%s\": %s",
name, bfd_errmsg (bfd_get_error ()));
- free (name);
+ xfree (name);
core_bfd = NULL;
if (core_ops.to_sections)
{
- free ((PTR) core_ops.to_sections);
+ xfree (core_ops.to_sections);
core_ops.to_sections = NULL;
core_ops.to_sections_end = NULL;
}
is really an int * which points to from_tty. */
static int
-solib_add_stub (from_ttyp)
- PTR from_ttyp;
+solib_add_stub (void *from_ttyp)
{
- SOLIB_ADD (NULL, *(int *) from_ttyp, ¤t_target);
+ SOLIB_ADD (NULL, *(int *) from_ttyp, ¤t_target, auto_solib_add);
re_enable_breakpoints_in_shlibs ();
return 0;
}
list of threads in a core file. */
static void
-add_to_thread_list (abfd, asect, reg_sect_arg)
- bfd *abfd;
- asection *asect;
- PTR reg_sect_arg;
+add_to_thread_list (bfd *abfd, asection *asect, void *reg_sect_arg)
{
int thread_id;
asection *reg_sect = (asection *) reg_sect_arg;
thread_id = atoi (bfd_section_name (abfd, asect) + 5);
- add_thread (thread_id);
+ add_thread (pid_to_ptid (thread_id));
/* Warning, Will Robinson, looking at BFD private data! */
if (reg_sect != NULL
&& asect->filepos == reg_sect->filepos) /* Did we find .reg? */
- inferior_pid = thread_id; /* Yes, make it current */
+ inferior_ptid = pid_to_ptid (thread_id); /* Yes, make it current */
}
/* This routine opens and sets up the core file bfd. */
static void
-core_open (filename, from_tty)
- char *filename;
- int from_tty;
+core_open (char *filename, int from_tty)
{
const char *p;
int siggy;
if (filename[0] != '/')
{
temp = concat (current_directory, "/", filename, NULL);
- free (filename);
+ xfree (filename);
filename = temp;
}
- old_chain = make_cleanup (free, filename);
+ old_chain = make_cleanup (xfree, filename);
- scratch_chan = open (filename, write_files ? O_RDWR : O_RDONLY, 0);
+ scratch_chan = open (filename, O_BINARY | ( write_files ? O_RDWR : O_RDONLY ), 0);
if (scratch_chan < 0)
perror_with_name (filename);
error ("\"%s\": Can't find sections: %s",
bfd_get_filename (core_bfd), bfd_errmsg (bfd_get_error ()));
- set_gdbarch_from_file (core_bfd);
+ /* If we have no exec file, try to set the architecture from the
+ core file. We don't do this unconditionally since an exec file
+ typically contains more information that helps us determine the
+ architecture than a core file. */
+ if (!exec_bfd)
+ set_gdbarch_from_file (core_bfd);
ontop = !push_target (&core_ops);
discard_cleanups (old_chain);
siggy = bfd_core_file_failing_signal (core_bfd);
if (siggy > 0)
+ /* NOTE: target_signal_from_host() converts a target signal value
+ into gdb's internal signal value. Unfortunately gdb's internal
+ value is called ``target_signal'' and this function got the
+ name ..._from_host(). */
printf_filtered ("Program terminated with signal %d, %s.\n", siggy,
- safe_strsignal (siggy));
+ target_signal_to_string (target_signal_from_host (siggy)));
/* Build up thread list from BFD sections. */
/* Now, set up the frame cache, and print the top of stack. */
flush_cached_frames ();
- select_frame (get_current_frame (), 0);
- print_stack_frame (selected_frame, selected_frame_level, 1);
+ select_frame (get_current_frame ());
+ print_stack_frame (deprecated_selected_frame,
+ frame_relative_level (deprecated_selected_frame), 1);
}
else
{
}
static void
-core_detach (args, from_tty)
- char *args;
- int from_tty;
+core_detach (char *args, int from_tty)
{
if (args)
error ("Too many arguments");
them to core_vec->core_read_registers, as the register set numbered
WHICH.
- If inferior_pid is zero, do the single-threaded thing: look for a
- section named NAME. If inferior_pid is non-zero, do the
+ If inferior_ptid is zero, do the single-threaded thing: look for a
+ section named NAME. If inferior_ptid is non-zero, do the
multi-threaded thing: look for a section named "NAME/PID", where
- PID is the shortest ASCII decimal representation of inferior_pid.
+ PID is the shortest ASCII decimal representation of inferior_ptid.
HUMAN_NAME is a human-readable name for the kind of registers the
NAME section contains, for use in error messages.
bfd_size_type size;
char *contents;
- if (inferior_pid)
- sprintf (section_name, "%s/%d", name, inferior_pid);
+ if (PIDGET (inferior_ptid))
+ sprintf (section_name, "%s/%d", name, PIDGET (inferior_ptid));
else
strcpy (section_name, name);
/* ARGSUSED */
static void
-get_core_registers (regno)
- int regno;
+get_core_registers (int regno)
{
int status;
get_core_register_section (".reg2", 2, "floating-point", 0);
get_core_register_section (".reg-xfp", 3, "extended floating-point", 0);
- registers_fetched ();
-}
-
-static char *
-core_file_to_sym_file (core)
- char *core;
-{
- CONST char *failing_command;
- char *p;
- char *temp;
- bfd *temp_bfd;
- int scratch_chan;
-
- if (!core)
- error ("No core file specified.");
-
- core = tilde_expand (core);
- if (core[0] != '/')
- {
- temp = concat (current_directory, "/", core, NULL);
- core = temp;
- }
-
- scratch_chan = open (core, write_files ? O_RDWR : O_RDONLY, 0);
- if (scratch_chan < 0)
- perror_with_name (core);
-
- temp_bfd = bfd_fdopenr (core, gnutarget, scratch_chan);
- if (temp_bfd == NULL)
- perror_with_name (core);
-
- if (!bfd_check_format (temp_bfd, bfd_core))
- {
- /* Do it after the err msg */
- /* FIXME: should be checking for errors from bfd_close (for one thing,
- on error it does not free all the storage associated with the
- bfd). */
- make_cleanup_bfd_close (temp_bfd);
- error ("\"%s\" is not a core dump: %s",
- core, bfd_errmsg (bfd_get_error ()));
- }
-
- /* Find the data section */
- if (build_section_table (temp_bfd, &core_ops.to_sections,
- &core_ops.to_sections_end))
- error ("\"%s\": Can't find sections: %s",
- bfd_get_filename (temp_bfd), bfd_errmsg (bfd_get_error ()));
-
- failing_command = bfd_core_file_failing_command (temp_bfd);
-
- bfd_close (temp_bfd);
-
- /* If we found a filename, remember that it is probably saved
- relative to the executable that created it. If working directory
- isn't there now, we may not be able to find the executable. Rather
- than trying to be sauve about finding it, just check if the file
- exists where we are now. If not, then punt and tell our client
- we couldn't find the sym file.
- */
- p = (char *) failing_command;
- if ((p != NULL) && (access (p, F_OK) != 0))
- p = NULL;
-
- return p;
+ deprecated_registers_fetched ();
}
static void
-core_files_info (t)
- struct target_ops *t;
+core_files_info (struct target_ops *t)
{
print_section_info (t, core_bfd);
}
`gdb internal error' (since generic_mourn calls breakpoint_init_inferior). */
static int
-ignore (addr, contents)
- CORE_ADDR addr;
- char *contents;
+ignore (CORE_ADDR addr, char *contents)
{
return 0;
}
behaviour.
*/
static int
-core_file_thread_alive (tid)
- int tid;
+core_file_thread_alive (ptid_t tid)
{
return 1;
}
/* Fill in core_ops with its defined operations and properties. */
static void
-init_core_ops ()
+init_core_ops (void)
{
core_ops.to_shortname = "core";
core_ops.to_longname = "Local core dump file";
core_ops.to_open = core_open;
core_ops.to_close = core_close;
core_ops.to_attach = find_default_attach;
- core_ops.to_require_attach = find_default_require_attach;
core_ops.to_detach = core_detach;
- core_ops.to_require_detach = find_default_require_detach;
core_ops.to_fetch_registers = get_core_registers;
core_ops.to_xfer_memory = xfer_memory;
core_ops.to_files_info = core_files_info;
core_ops.to_insert_breakpoint = ignore;
core_ops.to_remove_breakpoint = ignore;
core_ops.to_create_inferior = find_default_create_inferior;
- core_ops.to_clone_and_follow_inferior = find_default_clone_and_follow_inferior;
core_ops.to_thread_alive = core_file_thread_alive;
- core_ops.to_core_file_to_sym_file = core_file_to_sym_file;
core_ops.to_stratum = core_stratum;
core_ops.to_has_memory = 1;
core_ops.to_has_stack = 1;
int coreops_suppress_target;
void
-_initialize_corelow ()
+_initialize_corelow (void)
{
init_core_ops ();
projects / binutils.git / blobdiff