/* Work with executable files, for GDB.
- Copyright 1988, 1989, 1991, 1992 Free Software Foundation, Inc.
-This file is part of GDB.
+ Copyright (C) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
+ 1997, 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation,
+ Inc.
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
+ This file is part of GDB.
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA. */
#include "defs.h"
#include "frame.h"
#include "inferior.h"
#include "target.h"
#include "gdbcmd.h"
+#include "language.h"
+#include "symfile.h"
+#include "objfiles.h"
+#include "completer.h"
+#include "value.h"
+#include "exec.h"
+#include "observer.h"
-#ifdef USG
-#include <sys/types.h>
-#endif
-
-#include <sys/param.h>
#include <fcntl.h>
-#include <string.h>
+#include "readline/readline.h"
+#include "gdb_string.h"
#include "gdbcore.h"
#include <ctype.h>
-#include <sys/stat.h>
+#include "gdb_stat.h"
#ifndef O_BINARY
#define O_BINARY 0
#endif
+#include "xcoffsolib.h"
+
+struct vmap *map_vmap (bfd *, bfd *);
+
+void (*deprecated_file_changed_hook) (char *);
+
/* Prototypes for local functions */
-static void
-add_to_section_table PARAMS ((bfd *, sec_ptr, PTR));
+static void exec_close (int);
-static void
-exec_close PARAMS ((int));
+static void file_command (char *, int);
-static void
-file_command PARAMS ((char *, int));
+static void set_section_command (char *, int);
-static void
-set_section_command PARAMS ((char *, int));
+static void exec_files_info (struct target_ops *);
-static void
-exec_files_info PARAMS ((struct target_ops *));
+static int ignore (CORE_ADDR, bfd_byte *);
+
+static void init_exec_ops (void);
-extern int info_verbose;
+void _initialize_exec (void);
+
+/* The target vector for executable files. */
+
+struct target_ops exec_ops;
/* The Binary File Descriptor handle for the executable file. */
/* Whether to open exec and core files read-only or read-write. */
int write_files = 0;
+static void
+show_write_files (struct ui_file *file, int from_tty,
+ struct cmd_list_element *c, const char *value)
+{
+ fprintf_filtered (file, _("Writing into executable and core files is %s.\n"),
+ value);
+}
-/* Text start and end addresses (KLUDGE) if needed */
-
-#ifdef NEED_TEXT_START_END
-CORE_ADDR text_start = 0;
-CORE_ADDR text_end = 0;
-#endif
-/* Forward decl */
+struct vmap *vmap;
-extern struct target_ops exec_ops;
+void
+exec_open (char *args, int from_tty)
+{
+ target_preopen (from_tty);
+ exec_file_attach (args, from_tty);
+}
-/* ARGSUSED */
static void
-exec_close (quitting)
- int quitting;
+exec_close (int quitting)
{
- if (exec_bfd) {
- bfd_close (exec_bfd);
- exec_bfd = NULL;
- }
- if (exec_ops.to_sections) {
- free ((PTR)exec_ops.to_sections);
- exec_ops.to_sections = NULL;
- exec_ops.to_sections_end = NULL;
- }
-}
+ int need_symtab_cleanup = 0;
+ struct vmap *vp, *nxt;
-/* Process the first arg in ARGS as the new exec file.
+ for (nxt = vmap; nxt != NULL;)
+ {
+ vp = nxt;
+ nxt = vp->nxt;
+
+ /* if there is an objfile associated with this bfd,
+ free_objfile() will do proper cleanup of objfile *and* bfd. */
+
+ if (vp->objfile)
+ {
+ free_objfile (vp->objfile);
+ need_symtab_cleanup = 1;
+ }
+ else if (vp->bfd != exec_bfd)
+ /* FIXME-leak: We should be freeing vp->name too, I think. */
+ if (!bfd_close (vp->bfd))
+ warning (_("cannot close \"%s\": %s"),
+ vp->name, bfd_errmsg (bfd_get_error ()));
+
+ /* FIXME: This routine is #if 0'd in symfile.c. What should we
+ be doing here? Should we just free everything in
+ vp->objfile->symtabs? Should free_objfile do that?
+ FIXME-as-well: free_objfile already free'd vp->name, so it isn't
+ valid here. */
+ free_named_symtabs (vp->name);
+ xfree (vp);
+ }
+
+ vmap = NULL;
+
+ if (exec_bfd)
+ {
+ char *name = bfd_get_filename (exec_bfd);
+
+ if (!bfd_close (exec_bfd))
+ warning (_("cannot close \"%s\": %s"),
+ name, bfd_errmsg (bfd_get_error ()));
+ xfree (name);
+ exec_bfd = NULL;
+ }
- Note that we have to explicitly ignore additional args, since we can
- be called from file_command(), which also calls symbol_file_command()
- which can take multiple args. */
+ if (exec_ops.to_sections)
+ {
+ xfree (exec_ops.to_sections);
+ exec_ops.to_sections = NULL;
+ exec_ops.to_sections_end = NULL;
+ }
+}
void
-exec_file_command (args, from_tty)
- char *args;
- int from_tty;
+exec_file_clear (int from_tty)
{
- char **argv;
- char *filename;
+ /* Remove exec file. */
+ unpush_target (&exec_ops);
- target_preopen (from_tty);
+ if (from_tty)
+ printf_unfiltered (_("No executable file now.\n"));
+}
+
+/* Process the first arg in ARGS as the new exec file.
+
+ This function is intended to be behave essentially the same
+ as exec_file_command, except that the latter will detect when
+ a target is being debugged, and will ask the user whether it
+ should be shut down first. (If the answer is "no", then the
+ new file is ignored.)
+
+ This file is used by exec_file_command, to do the work of opening
+ and processing the exec file after any prompting has happened.
+ And, it is used by child_attach, when the attach command was
+ given a pid but not a exec pathname, and the attach command could
+ figure out the pathname from the pid. (In this case, we shouldn't
+ ask the user whether the current target should be shut down --
+ we're supplying the exec pathname late for good reason.)
+
+ ARGS is assumed to be the filename. */
+
+void
+exec_file_attach (char *filename, int from_tty)
+{
/* Remove any previous exec file. */
unpush_target (&exec_ops);
/* Now open and digest the file the user requested, if any. */
- if (args)
+ if (!filename)
+ {
+ if (from_tty)
+ printf_unfiltered (_("No executable file now.\n"));
+ }
+ else
{
char *scratch_pathname;
int scratch_chan;
-
- /* Scan through the args and pick up the first non option arg
- as the filename. */
-
- if ((argv = buildargv (args)) == NULL)
- {
- nomem (0);
- }
- make_cleanup (freeargv, (char *) argv);
- for (; (*argv != NULL) && (**argv == '-'); argv++) {;}
- if (*argv == NULL)
+ scratch_chan = openp (getenv ("PATH"), OPF_TRY_CWD_FIRST, filename,
+ write_files ? O_RDWR | O_BINARY : O_RDONLY | O_BINARY, 0,
+ &scratch_pathname);
+#if defined(__GO32__) || defined(_WIN32) || defined(__CYGWIN__)
+ if (scratch_chan < 0)
{
- error ("no exec file name was specified");
+ char *exename = alloca (strlen (filename) + 5);
+ strcat (strcpy (exename, filename), ".exe");
+ scratch_chan = openp (getenv ("PATH"), OPF_TRY_CWD_FIRST, exename,
+ write_files ? O_RDWR | O_BINARY : O_RDONLY | O_BINARY, 0,
+ &scratch_pathname);
}
-
- filename = tilde_expand (*argv);
- make_cleanup (free, filename);
-
- scratch_chan = openp (getenv ("PATH"), 1, filename,
- write_files? O_RDWR|O_BINARY: O_RDONLY|O_BINARY, 0,
- &scratch_pathname);
+#endif
if (scratch_chan < 0)
perror_with_name (filename);
+ exec_bfd = bfd_fopen (scratch_pathname, gnutarget,
+ write_files ? FOPEN_RUB : FOPEN_RB,
+ scratch_chan);
- exec_bfd = bfd_fdopenr (scratch_pathname, NULL, scratch_chan);
if (!exec_bfd)
- error ("Could not open `%s' as an executable file: %s",
- scratch_pathname, bfd_errmsg (bfd_error));
+ error (_("\"%s\": could not open as an executable file: %s"),
+ scratch_pathname, bfd_errmsg (bfd_get_error ()));
+
+ /* At this point, scratch_pathname and exec_bfd->name both point to the
+ same malloc'd string. However exec_close() will attempt to free it
+ via the exec_bfd->name pointer, so we need to make another copy and
+ leave exec_bfd as the new owner of the original copy. */
+ scratch_pathname = xstrdup (scratch_pathname);
+ make_cleanup (xfree, scratch_pathname);
+
if (!bfd_check_format (exec_bfd, bfd_object))
- error ("\"%s\": not in executable format: %s.",
- scratch_pathname, bfd_errmsg (bfd_error));
+ {
+ /* Make sure to close exec_bfd, or else "run" might try to use
+ it. */
+ exec_close (0);
+ error (_("\"%s\": not in executable format: %s"),
+ scratch_pathname, bfd_errmsg (bfd_get_error ()));
+ }
+
+ /* FIXME - This should only be run for RS6000, but the ifdef is a poor
+ way to accomplish. */
+#ifdef DEPRECATED_IBM6000_TARGET
+ /* Setup initial vmap. */
+
+ map_vmap (exec_bfd, 0);
+ if (vmap == NULL)
+ {
+ /* Make sure to close exec_bfd, or else "run" might try to use
+ it. */
+ exec_close (0);
+ error (_("\"%s\": can't find the file sections: %s"),
+ scratch_pathname, bfd_errmsg (bfd_get_error ()));
+ }
+#endif /* DEPRECATED_IBM6000_TARGET */
if (build_section_table (exec_bfd, &exec_ops.to_sections,
- &exec_ops.to_sections_end))
- error ("Can't find the file sections in `%s': %s",
- exec_bfd->filename, bfd_errmsg (bfd_error));
-
-#ifdef NEED_TEXT_START_END
- /* This is a KLUDGE (FIXME) because a few places in a few ports
- (29K springs to mind) need this info for now. */
- {
- struct section_table *p;
- for (p = exec_ops.to_sections; p < exec_ops.to_sections_end; p++)
- if (!strcmp (".text", bfd_section_name (p->bfd, p->sec_ptr)))
- {
- text_start = p->addr;
- text_end = p->endaddr;
- break;
- }
- }
-#endif
+ &exec_ops.to_sections_end))
+ {
+ /* Make sure to close exec_bfd, or else "run" might try to use
+ it. */
+ exec_close (0);
+ error (_("\"%s\": can't find the file sections: %s"),
+ scratch_pathname, bfd_errmsg (bfd_get_error ()));
+ }
validate_files ();
+ set_gdbarch_from_file (exec_bfd);
+
push_target (&exec_ops);
/* Tell display code (if any) about the changed file name. */
- if (exec_file_display_hook)
- (*exec_file_display_hook) (filename);
+ if (deprecated_exec_file_display_hook)
+ (*deprecated_exec_file_display_hook) (filename);
+ }
+ bfd_cache_close_all ();
+ observer_notify_executable_changed (NULL);
+}
+
+/* Process the first arg in ARGS as the new exec file.
+
+ Note that we have to explicitly ignore additional args, since we can
+ be called from file_command(), which also calls symbol_file_command()
+ which can take multiple args.
+
+ If ARGS is NULL, we just want to close the exec file. */
+
+static void
+exec_file_command (char *args, int from_tty)
+{
+ char **argv;
+ char *filename;
+
+ target_preopen (from_tty);
+
+ if (args)
+ {
+ /* Scan through the args and pick up the first non option arg
+ as the filename. */
+
+ argv = buildargv (args);
+ if (argv == NULL)
+ nomem (0);
+
+ make_cleanup_freeargv (argv);
+
+ for (; (*argv != NULL) && (**argv == '-'); argv++)
+ {;
+ }
+ if (*argv == NULL)
+ error (_("No executable file name was specified"));
+
+ filename = tilde_expand (*argv);
+ make_cleanup (xfree, filename);
+ exec_file_attach (filename, from_tty);
}
- else if (from_tty)
- printf_filtered ("No exec file now.\n");
+ else
+ exec_file_attach (NULL, from_tty);
}
/* Set both the exec file and the symbol file, in one command.
command was added? */
static void
-file_command (arg, from_tty)
- char *arg;
- int from_tty;
+file_command (char *arg, int from_tty)
{
/* FIXME, if we lose on reading the symbol file, we should revert
the exec file, but that's rough. */
exec_file_command (arg, from_tty);
symbol_file_command (arg, from_tty);
+ if (deprecated_file_changed_hook)
+ deprecated_file_changed_hook (arg);
}
-
\f
+
/* Locate all mappable sections of a BFD file.
table_pp_char is a char * to get it through bfd_map_over_sections;
we cast it back to its proper type. */
static void
-add_to_section_table (abfd, asect, table_pp_char)
- bfd *abfd;
- sec_ptr asect;
- PTR table_pp_char;
+add_to_section_table (bfd *abfd, struct bfd_section *asect,
+ void *table_pp_char)
{
- struct section_table **table_pp = (struct section_table **)table_pp_char;
+ struct section_table **table_pp = (struct section_table **) table_pp_char;
flagword aflag;
aflag = bfd_get_section_flags (abfd, asect);
- /* FIXME, we need to handle BSS segment here...it alloc's but doesn't load */
- if (!(aflag & SEC_LOAD))
+ if (!(aflag & SEC_ALLOC))
return;
if (0 == bfd_section_size (abfd, asect))
return;
(*table_pp)->bfd = abfd;
- (*table_pp)->sec_ptr = asect;
+ (*table_pp)->the_bfd_section = asect;
(*table_pp)->addr = bfd_section_vma (abfd, asect);
(*table_pp)->endaddr = (*table_pp)->addr + bfd_section_size (abfd, asect);
(*table_pp)++;
Returns 0 if OK, 1 on error. */
int
-build_section_table (some_bfd, start, end)
- bfd *some_bfd;
- struct section_table **start, **end;
+build_section_table (struct bfd *some_bfd, struct section_table **start,
+ struct section_table **end)
{
unsigned count;
count = bfd_count_sections (some_bfd);
if (*start)
- free ((PTR)*start);
+ xfree (* start);
*start = (struct section_table *) xmalloc (count * sizeof (**start));
*end = *start;
- bfd_map_over_sections (some_bfd, add_to_section_table, (char *)end);
+ bfd_map_over_sections (some_bfd, add_to_section_table, (char *) end);
if (*end > *start + count)
- abort();
+ internal_error (__FILE__, __LINE__, _("failed internal consistency check"));
/* We could realloc the table, but it probably loses for most files. */
return 0;
}
\f
+static void
+bfdsec_to_vmap (struct bfd *abfd, struct bfd_section *sect, void *arg3)
+{
+ struct vmap_and_bfd *vmap_bfd = (struct vmap_and_bfd *) arg3;
+ struct vmap *vp;
+
+ vp = vmap_bfd->pvmap;
+
+ if ((bfd_get_section_flags (abfd, sect) & SEC_LOAD) == 0)
+ return;
+
+ if (strcmp (bfd_section_name (abfd, sect), ".text") == 0)
+ {
+ vp->tstart = bfd_section_vma (abfd, sect);
+ vp->tend = vp->tstart + bfd_section_size (abfd, sect);
+ vp->tvma = bfd_section_vma (abfd, sect);
+ vp->toffs = sect->filepos;
+ }
+ else if (strcmp (bfd_section_name (abfd, sect), ".data") == 0)
+ {
+ vp->dstart = bfd_section_vma (abfd, sect);
+ vp->dend = vp->dstart + bfd_section_size (abfd, sect);
+ vp->dvma = bfd_section_vma (abfd, sect);
+ }
+ /* Silently ignore other types of sections. (FIXME?) */
+}
+
+/* Make a vmap for ABFD which might be a member of the archive ARCH.
+ Return the new vmap. */
+
+struct vmap *
+map_vmap (bfd *abfd, bfd *arch)
+{
+ struct vmap_and_bfd vmap_bfd;
+ struct vmap *vp, **vpp;
+
+ vp = (struct vmap *) xmalloc (sizeof (*vp));
+ memset ((char *) vp, '\0', sizeof (*vp));
+ vp->nxt = 0;
+ vp->bfd = abfd;
+ vp->name = bfd_get_filename (arch ? arch : abfd);
+ vp->member = arch ? bfd_get_filename (abfd) : "";
+
+ vmap_bfd.pbfd = arch;
+ vmap_bfd.pvmap = vp;
+ bfd_map_over_sections (abfd, bfdsec_to_vmap, &vmap_bfd);
+
+ /* Find the end of the list and append. */
+ for (vpp = &vmap; *vpp; vpp = &(*vpp)->nxt)
+ ;
+ *vpp = vp;
+
+ return vp;
+}
+\f
/* Read or write the exec file.
Args are address within a BFD file, address within gdb address-space,
Result is a length:
- 0: We cannot handle this address and length.
- > 0: We have handled N bytes starting at this address.
- (If N == length, we did it all.) We might be able
- to handle more bytes beyond this length, but no
- promises.
- < 0: We cannot handle this address, but if somebody
- else handles (-N) bytes, we can start from there.
+ 0: We cannot handle this address and length.
+ > 0: We have handled N bytes starting at this address.
+ (If N == length, we did it all.) We might be able
+ to handle more bytes beyond this length, but no
+ promises.
+ < 0: We cannot handle this address, but if somebody
+ else handles (-N) bytes, we can start from there.
- The same routine is used to handle both core and exec files;
- we just tail-call it with more arguments to select between them. */
+ The same routine is used to handle both core and exec files;
+ we just tail-call it with more arguments to select between them. */
int
-xfer_memory (memaddr, myaddr, len, write, target)
- CORE_ADDR memaddr;
- char *myaddr;
- int len;
- int write;
- struct target_ops *target;
+xfer_memory (CORE_ADDR memaddr, gdb_byte *myaddr, int len, int write,
+ struct mem_attrib *attrib, struct target_ops *target)
{
- boolean res;
+ int res;
struct section_table *p;
CORE_ADDR nextsectaddr, memend;
- boolean (*xfer_fn) PARAMS ((bfd *, sec_ptr, PTR, file_ptr, bfd_size_type));
+ asection *section = NULL;
if (len <= 0)
- abort();
+ internal_error (__FILE__, __LINE__, _("failed internal consistency check"));
+
+ if (overlay_debugging)
+ {
+ section = find_pc_overlay (memaddr);
+ if (pc_in_unmapped_range (memaddr, section))
+ memaddr = overlay_mapped_address (memaddr, section);
+ }
memend = memaddr + len;
- xfer_fn = write? bfd_set_section_contents: bfd_get_section_contents;
nextsectaddr = memend;
for (p = target->to_sections; p < target->to_sections_end; p++)
{
- if (p->addr <= memaddr)
- if (p->endaddr >= memend)
- {
- /* Entire transfer is within this section. */
- res = xfer_fn (p->bfd, p->sec_ptr, myaddr, memaddr - p->addr, len);
- return (res != false)? len: 0;
- }
- else if (p->endaddr <= memaddr)
- {
- /* This section ends before the transfer starts. */
- continue;
- }
- else
- {
- /* This section overlaps the transfer. Just do half. */
- len = p->endaddr - memaddr;
- res = xfer_fn (p->bfd, p->sec_ptr, myaddr, memaddr - p->addr, len);
- return (res != false)? len: 0;
- }
- else if (p->addr < nextsectaddr)
- nextsectaddr = p->addr;
+ if (overlay_debugging && section && p->the_bfd_section &&
+ strcmp (section->name, p->the_bfd_section->name) != 0)
+ continue; /* not the section we need */
+ if (memaddr >= p->addr)
+ {
+ if (memend <= p->endaddr)
+ {
+ /* Entire transfer is within this section. */
+ if (write)
+ res = bfd_set_section_contents (p->bfd, p->the_bfd_section,
+ myaddr, memaddr - p->addr,
+ len);
+ else
+ res = bfd_get_section_contents (p->bfd, p->the_bfd_section,
+ myaddr, memaddr - p->addr,
+ len);
+ return (res != 0) ? len : 0;
+ }
+ else if (memaddr >= p->endaddr)
+ {
+ /* This section ends before the transfer starts. */
+ continue;
+ }
+ else
+ {
+ /* This section overlaps the transfer. Just do half. */
+ len = p->endaddr - memaddr;
+ if (write)
+ res = bfd_set_section_contents (p->bfd, p->the_bfd_section,
+ myaddr, memaddr - p->addr,
+ len);
+ else
+ res = bfd_get_section_contents (p->bfd, p->the_bfd_section,
+ myaddr, memaddr - p->addr,
+ len);
+ return (res != 0) ? len : 0;
+ }
+ }
+ else
+ nextsectaddr = min (nextsectaddr, p->addr);
}
if (nextsectaddr >= memend)
- return 0; /* We can't help */
+ return 0; /* We can't help */
else
- return - (nextsectaddr - memaddr); /* Next boundary where we can help */
+ return -(nextsectaddr - memaddr); /* Next boundary where we can help */
}
-
-#ifdef FIXME
-#ifdef REG_STACK_SEGMENT
-/* MOVE TO BFD... */
- /* Pyramids and AM29000s have an extra segment in the virtual address space
- for the (control) stack of register-window frames. The AM29000 folk
- call it the "register stack" rather than the "memory stack". */
- else if (memaddr >= reg_stack_start && memaddr < reg_stack_end)
- {
- i = min (len, reg_stack_end - memaddr);
- fileptr = memaddr - reg_stack_start + reg_stack_offset;
- wanna_xfer = coredata;
- }
-#endif /* REG_STACK_SEGMENT */
-#endif FIXME
\f
+
void
-print_section_info (t, abfd)
- struct target_ops *t;
- bfd *abfd;
+print_section_info (struct target_ops *t, bfd *abfd)
{
struct section_table *p;
+ /* FIXME: 16 is not wide enough when TARGET_ADDR_BIT > 64. */
+ int wid = TARGET_ADDR_BIT <= 32 ? 8 : 16;
- printf_filtered ("\t`%s', ", bfd_get_filename(abfd));
+ printf_filtered ("\t`%s', ", bfd_get_filename (abfd));
wrap_here (" ");
- printf_filtered ("file type %s.\n", bfd_get_target(abfd));
-
- for (p = t->to_sections; p < t->to_sections_end; p++) {
- printf_filtered ("\t%s", local_hex_string_custom (p->addr, "08"));
- printf_filtered (" - %s", local_hex_string_custom (p->endaddr, "08"));
- if (info_verbose)
- printf_filtered (" @ %s",
- local_hex_string_custom (p->sec_ptr->filepos, "08"));
- printf_filtered (" is %s", bfd_section_name (p->bfd, p->sec_ptr));
- if (p->bfd != abfd) {
- printf_filtered (" in %s", bfd_get_filename (p->bfd));
+ printf_filtered (_("file type %s.\n"), bfd_get_target (abfd));
+ if (abfd == exec_bfd)
+ {
+ printf_filtered (_("\tEntry point: "));
+ deprecated_print_address_numeric (bfd_get_start_address (abfd), 1, gdb_stdout);
+ printf_filtered ("\n");
+ }
+ for (p = t->to_sections; p < t->to_sections_end; p++)
+ {
+ printf_filtered ("\t%s", hex_string_custom (p->addr, wid));
+ printf_filtered (" - %s", hex_string_custom (p->endaddr, wid));
+
+ /* FIXME: A format of "08l" is not wide enough for file offsets
+ larger than 4GB. OTOH, making it "016l" isn't desirable either
+ since most output will then be much wider than necessary. It
+ may make sense to test the size of the file and choose the
+ format string accordingly. */
+ /* FIXME: i18n: Need to rewrite this sentence. */
+ if (info_verbose)
+ printf_filtered (" @ %s",
+ hex_string_custom (p->the_bfd_section->filepos, 8));
+ printf_filtered (" is %s", bfd_section_name (p->bfd, p->the_bfd_section));
+ if (p->bfd != abfd)
+ printf_filtered (" in %s", bfd_get_filename (p->bfd));
+ printf_filtered ("\n");
}
- printf_filtered ("\n");
- }
}
static void
-exec_files_info (t)
- struct target_ops *t;
+exec_files_info (struct target_ops *t)
{
print_section_info (t, exec_bfd);
+
+ if (vmap)
+ {
+ struct vmap *vp;
+
+ printf_unfiltered (_("\tMapping info for file `%s'.\n"), vmap->name);
+ printf_unfiltered ("\t %*s %*s %*s %*s %8.8s %s\n",
+ strlen_paddr (), "tstart",
+ strlen_paddr (), "tend",
+ strlen_paddr (), "dstart",
+ strlen_paddr (), "dend",
+ "section",
+ "file(member)");
+
+ for (vp = vmap; vp; vp = vp->nxt)
+ printf_unfiltered ("\t0x%s 0x%s 0x%s 0x%s %s%s%s%s\n",
+ paddr (vp->tstart),
+ paddr (vp->tend),
+ paddr (vp->dstart),
+ paddr (vp->dend),
+ vp->name,
+ *vp->member ? "(" : "", vp->member,
+ *vp->member ? ")" : "");
+ }
+}
+
+/* msnyder 5/21/99:
+ exec_set_section_offsets sets the offsets of all the sections
+ in the exec objfile. */
+
+void
+exec_set_section_offsets (bfd_signed_vma text_off, bfd_signed_vma data_off,
+ bfd_signed_vma bss_off)
+{
+ struct section_table *sect;
+
+ for (sect = exec_ops.to_sections;
+ sect < exec_ops.to_sections_end;
+ sect++)
+ {
+ flagword flags;
+
+ flags = bfd_get_section_flags (exec_bfd, sect->the_bfd_section);
+
+ if (flags & SEC_CODE)
+ {
+ sect->addr += text_off;
+ sect->endaddr += text_off;
+ }
+ else if (flags & (SEC_DATA | SEC_LOAD))
+ {
+ sect->addr += data_off;
+ sect->endaddr += data_off;
+ }
+ else if (flags & SEC_ALLOC)
+ {
+ sect->addr += bss_off;
+ sect->endaddr += bss_off;
+ }
+ }
}
static void
-set_section_command (args, from_tty)
- char *args;
- int from_tty;
+set_section_command (char *args, int from_tty)
{
struct section_table *p;
char *secname;
long offset;
if (args == 0)
- error ("Must specify section name and its virtual address");
+ error (_("Must specify section name and its virtual address"));
/* Parse out section name */
- for (secname = args; !isspace(*args); args++) ;
+ for (secname = args; !isspace (*args); args++);
seclen = args - secname;
/* Parse out new virtual address */
secaddr = parse_and_eval_address (args);
- for (p = exec_ops.to_sections; p < exec_ops.to_sections_end; p++) {
- if (!strncmp (secname, bfd_section_name (exec_bfd, p->sec_ptr), seclen)
- && bfd_section_name (exec_bfd, p->sec_ptr)[seclen] == '\0') {
- offset = secaddr - p->addr;
- p->addr += offset;
- p->endaddr += offset;
- if (from_tty)
- exec_files_info(&exec_ops);
- return;
+ for (p = exec_ops.to_sections; p < exec_ops.to_sections_end; p++)
+ {
+ if (!strncmp (secname, bfd_section_name (exec_bfd, p->the_bfd_section), seclen)
+ && bfd_section_name (exec_bfd, p->the_bfd_section)[seclen] == '\0')
+ {
+ offset = secaddr - p->addr;
+ p->addr += offset;
+ p->endaddr += offset;
+ if (from_tty)
+ exec_files_info (&exec_ops);
+ return;
+ }
}
- }
if (seclen >= sizeof (secprint))
seclen = sizeof (secprint) - 1;
strncpy (secprint, secname, seclen);
secprint[seclen] = '\0';
- error ("Section %s not found", secprint);
+ error (_("Section %s not found"), secprint);
+}
+
+/* If we can find a section in FILENAME with BFD index INDEX, and the
+ user has not assigned an address to it yet (via "set section"), adjust it
+ to ADDRESS. */
+
+void
+exec_set_section_address (const char *filename, int index, CORE_ADDR address)
+{
+ struct section_table *p;
+
+ for (p = exec_ops.to_sections; p < exec_ops.to_sections_end; p++)
+ {
+ if (strcmp (filename, p->bfd->filename) == 0
+ && index == p->the_bfd_section->index
+ && p->addr == 0)
+ {
+ p->addr = address;
+ p->endaddr += address;
+ }
+ }
+}
+
+/* If mourn is being called in all the right places, this could be say
+ `gdb internal error' (since generic_mourn calls
+ breakpoint_init_inferior). */
+
+static int
+ignore (CORE_ADDR addr, bfd_byte *contents)
+{
+ return 0;
+}
+
+/* Find mapped memory. */
+
+extern void
+exec_set_find_memory_regions (int (*func) (int (*) (CORE_ADDR,
+ unsigned long,
+ int, int, int,
+ void *),
+ void *))
+{
+ exec_ops.to_find_memory_regions = func;
}
-struct target_ops exec_ops = {
- "exec", "Local exec file",
- "Use an executable file as a target.\n\
-Specify the filename of the executable file.",
- exec_file_command, exec_close, /* open, close */
- child_attach, 0, 0, 0, /* attach, detach, resume, wait, */
- 0, 0, /* fetch_registers, store_registers, */
- 0, 0, 0, /* prepare_to_store, conv_to, conv_from, */
- xfer_memory, exec_files_info,
- 0, 0, /* insert_breakpoint, remove_breakpoint, */
- 0, 0, 0, 0, 0, /* terminal stuff */
- 0, 0, /* kill, load */
- 0, /* lookup sym */
- child_create_inferior,
- 0, /* mourn_inferior */
- file_stratum, 0, /* next */
- 0, 1, 0, 0, 0, /* all mem, mem, stack, regs, exec */
- 0, 0, /* section pointers */
- OPS_MAGIC, /* Always the last thing */
-};
+static char *exec_make_note_section (bfd *, int *);
+
+/* Fill in the exec file target vector. Very few entries need to be
+ defined. */
+
+static void
+init_exec_ops (void)
+{
+ exec_ops.to_shortname = "exec";
+ exec_ops.to_longname = "Local exec file";
+ exec_ops.to_doc = "Use an executable file as a target.\n\
+Specify the filename of the executable file.";
+ exec_ops.to_open = exec_open;
+ exec_ops.to_close = exec_close;
+ exec_ops.to_attach = find_default_attach;
+ exec_ops.deprecated_xfer_memory = xfer_memory;
+ exec_ops.to_files_info = exec_files_info;
+ exec_ops.to_insert_breakpoint = ignore;
+ exec_ops.to_remove_breakpoint = ignore;
+ exec_ops.to_create_inferior = find_default_create_inferior;
+ exec_ops.to_stratum = file_stratum;
+ exec_ops.to_has_memory = 1;
+ exec_ops.to_make_corefile_notes = exec_make_note_section;
+ exec_ops.to_magic = OPS_MAGIC;
+}
void
-_initialize_exec()
+_initialize_exec (void)
{
+ struct cmd_list_element *c;
+
+ init_exec_ops ();
- add_com ("file", class_files, file_command,
- "Use FILE as program to be debugged.\n\
+ if (!dbx_commands)
+ {
+ c = add_cmd ("file", class_files, file_command, _("\
+Use FILE as program to be debugged.\n\
It is read for its symbols, for getting the contents of pure memory,\n\
and it is the program executed when you use the `run' command.\n\
If FILE cannot be found as specified, your execution directory path\n\
($PATH) is searched for a command of that name.\n\
-No arg means to have no executable file and no symbols.");
+No arg means to have no executable file and no symbols."), &cmdlist);
+ set_cmd_completer (c, filename_completer);
+ }
- add_com ("exec-file", class_files, exec_file_command,
- "Use FILE as program for getting contents of pure memory.\n\
+ c = add_cmd ("exec-file", class_files, exec_file_command, _("\
+Use FILE as program for getting contents of pure memory.\n\
If FILE cannot be found as specified, your execution directory path\n\
is searched for a command of that name.\n\
-No arg means have no executable file.");
+No arg means have no executable file."), &cmdlist);
+ set_cmd_completer (c, filename_completer);
- add_com ("section", class_files, set_section_command,
- "Change the base address of section SECTION of the exec file to ADDR.\n\
+ add_com ("section", class_files, set_section_command, _("\
+Change the base address of section SECTION of the exec file to ADDR.\n\
This can be used if the exec file does not contain section addresses,\n\
(such as in the a.out format), or when the addresses specified in the\n\
file itself are wrong. Each section must be changed separately. The\n\
-``info files'' command lists all the sections and their addresses.");
+``info files'' command lists all the sections and their addresses."));
+
+ add_setshow_boolean_cmd ("write", class_support, &write_files, _("\
+Set writing into executable and core files."), _("\
+Show writing into executable and core files."), NULL,
+ NULL,
+ show_write_files,
+ &setlist, &showlist);
- add_show_from_set
- (add_set_cmd ("write", class_support, var_boolean, (char *)&write_files,
- "Set writing into executable and core files.",
- &setlist),
- &showlist);
-
add_target (&exec_ops);
}
+
+static char *
+exec_make_note_section (bfd *obfd, int *note_size)
+{
+ error (_("Can't create a corefile"));
+}
projects / deliverable / binutils-gdb.git / blobdiff