/* Work with executable files, for GDB.
- Copyright 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997,
- 1998, 1999, 2000, 2001, 2002
- Free Software Foundation, Inc.
+
+ Copyright (C) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997,
+ 1998, 1999, 2000, 2001, 2002, 2003, 2007 Free Software Foundation, Inc.
This file is part of GDB.
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., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA. */
#include "defs.h"
#include "frame.h"
#include "objfiles.h"
#include "completer.h"
#include "value.h"
-
-#ifdef USG
-#include <sys/types.h>
-#endif
+#include "exec.h"
+#include "observer.h"
#include <fcntl.h>
-#include <readline/readline.h>
+#include "readline/readline.h"
#include "gdb_string.h"
#include "gdbcore.h"
#include <ctype.h>
#include "gdb_stat.h"
-#ifndef O_BINARY
-#define O_BINARY 0
-#endif
#include "xcoffsolib.h"
struct vmap *map_vmap (bfd *, bfd *);
-void (*file_changed_hook) (char *);
+void (*deprecated_file_changed_hook) (char *);
/* Prototypes for local functions */
-static void add_to_section_table (bfd *, sec_ptr, void *);
-
static void exec_close (int);
static void file_command (char *, int);
static void exec_files_info (struct target_ops *);
-static void bfdsec_to_vmap (bfd *, sec_ptr, void *);
-
-static int ignore (CORE_ADDR, char *);
-
static void init_exec_ops (void);
void _initialize_exec (void);
/* 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);
+}
+
struct vmap *vmap;
-void
+static void
exec_open (char *args, int from_tty)
{
target_preopen (from_tty);
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",
+ 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
char *name = bfd_get_filename (exec_bfd);
if (!bfd_close (exec_bfd))
- warning ("cannot close \"%s\": %s",
+ warning (_("cannot close \"%s\": %s"),
name, bfd_errmsg (bfd_get_error ()));
xfree (name);
exec_bfd = NULL;
unpush_target (&exec_ops);
if (from_tty)
- printf_unfiltered ("No executable file now.\n");
+ printf_unfiltered (_("No executable file now.\n"));
}
/* Process the first arg in ARGS as the new exec file.
if (!filename)
{
if (from_tty)
- printf_unfiltered ("No executable file now.\n");
+ printf_unfiltered (_("No executable file now.\n"));
+
+ set_gdbarch_from_file (NULL);
}
else
{
char *scratch_pathname;
int scratch_chan;
- scratch_chan = openp (getenv ("PATH"), 1, filename,
+ 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__)
{
char *exename = alloca (strlen (filename) + 5);
strcat (strcpy (exename, filename), ".exe");
- scratch_chan = openp (getenv ("PATH"), 1, exename, write_files ?
- O_RDWR | O_BINARY : O_RDONLY | O_BINARY, 0, &scratch_pathname);
+ scratch_chan = openp (getenv ("PATH"), OPF_TRY_CWD_FIRST, exename,
+ 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_fdopenr (scratch_pathname, gnutarget, scratch_chan);
+ exec_bfd = bfd_fopen (scratch_pathname, gnutarget,
+ write_files ? FOPEN_RUB : FOPEN_RB,
+ scratch_chan);
if (!exec_bfd)
- error ("\"%s\": could not open as an executable file: %s",
+ 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
/* Make sure to close exec_bfd, or else "run" might try to use
it. */
exec_close (0);
- error ("\"%s\": not in executable format: %s",
+ error (_("\"%s\": not in executable format: %s"),
scratch_pathname, bfd_errmsg (bfd_get_error ()));
}
/* 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",
+ error (_("\"%s\": can't find the file sections: %s"),
scratch_pathname, bfd_errmsg (bfd_get_error ()));
}
#endif /* DEPRECATED_IBM6000_TARGET */
/* 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",
+ error (_("\"%s\": can't find the file sections: %s"),
scratch_pathname, bfd_errmsg (bfd_get_error ()));
}
-#ifdef DEPRECATED_HPUX_TEXT_END
- DEPRECATED_HPUX_TEXT_END (&exec_ops);
-#endif
-
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.
{
char **argv;
char *filename;
-
- target_preopen (from_tty);
+
+ if (from_tty && target_has_execution
+ && !query (_("A program is being debugged already.\n"
+ "Are you sure you want to change the file? ")))
+ error (_("File not changed."));
if (args)
{
{;
}
if (*argv == NULL)
- error ("No executable file name was specified");
+ error (_("No executable file name was specified"));
filename = tilde_expand (*argv);
make_cleanup (xfree, filename);
the exec file, but that's rough. */
exec_file_command (arg, from_tty);
symbol_file_command (arg, from_tty);
- if (file_changed_hook)
- file_changed_hook (arg);
+ if (deprecated_file_changed_hook)
+ deprecated_file_changed_hook (arg);
}
\f
we cast it back to its proper type. */
static void
-add_to_section_table (bfd *abfd, sec_ptr asect, void *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;
flagword aflag;
+ /* Check the section flags, but do not discard zero-length sections, since
+ some symbols may still be attached to this section. For instance, we
+ encountered on sparc-solaris 2.10 a shared library with an empty .bss
+ section to which a symbol named "_end" was attached. The address
+ of this symbol still needs to be relocated. */
aflag = bfd_get_section_flags (abfd, asect);
if (!(aflag & SEC_ALLOC))
return;
- if (0 == bfd_section_size (abfd, asect))
- return;
+
(*table_pp)->bfd = abfd;
(*table_pp)->the_bfd_section = asect;
(*table_pp)->addr = bfd_section_vma (abfd, asect);
Returns 0 if OK, 1 on error. */
int
-build_section_table (bfd *some_bfd, struct section_table **start,
+build_section_table (struct bfd *some_bfd, struct section_table **start,
struct section_table **end)
{
unsigned count;
*end = *start;
bfd_map_over_sections (some_bfd, add_to_section_table, (char *) end);
if (*end > *start + count)
- internal_error (__FILE__, __LINE__, "failed internal consistency check");
+ 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 (bfd *abfd, sec_ptr sect, void *arg3)
+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;
if ((bfd_get_section_flags (abfd, sect) & SEC_LOAD) == 0)
return;
- if (STREQ (bfd_section_name (abfd, sect), ".text"))
+ 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 (STREQ (bfd_section_name (abfd, sect), ".data"))
+ 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);
we just tail-call it with more arguments to select between them. */
int
-xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write,
- struct mem_attrib *attrib,
- struct target_ops *target)
+xfer_memory (CORE_ADDR memaddr, gdb_byte *myaddr, int len, int write,
+ struct mem_attrib *attrib, struct target_ops *target)
{
int res;
struct section_table *p;
CORE_ADDR nextsectaddr, memend;
- int (*xfer_fn) (bfd *, sec_ptr, void *, file_ptr, bfd_size_type);
asection *section = NULL;
if (len <= 0)
- internal_error (__FILE__, __LINE__, "failed internal consistency check");
+ internal_error (__FILE__, __LINE__, _("failed internal consistency check"));
if (overlay_debugging)
{
}
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 (memend <= p->endaddr)
{
/* Entire transfer is within this section. */
- res = xfer_fn (p->bfd, p->the_bfd_section, myaddr,
- memaddr - p->addr, len);
+ 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 overlaps the transfer. Just do half. */
len = p->endaddr - memaddr;
- res = xfer_fn (p->bfd, p->the_bfd_section, myaddr,
- memaddr - p->addr, len);
+ 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;
}
}
print_section_info (struct target_ops *t, bfd *abfd)
{
struct section_table *p;
- /* FIXME: "016l" is not wide enough when TARGET_ADDR_BIT > 64. */
- char *fmt = TARGET_ADDR_BIT <= 32 ? "08l" : "016l";
+ /* FIXME: 16 is not wide enough when gdbarch_addr_bit > 64. */
+ int wid = gdbarch_addr_bit (current_gdbarch) <= 32 ? 8 : 16;
printf_filtered ("\t`%s', ", bfd_get_filename (abfd));
wrap_here (" ");
- printf_filtered ("file type %s.\n", bfd_get_target (abfd));
+ printf_filtered (_("file type %s.\n"), bfd_get_target (abfd));
if (abfd == exec_bfd)
{
- printf_filtered ("\tEntry point: ");
- print_address_numeric (bfd_get_start_address (abfd), 1, gdb_stdout);
+ 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", local_hex_string_custom (p->addr, fmt));
- printf_filtered (" - %s", local_hex_string_custom (p->endaddr, fmt));
+ 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",
- local_hex_string_custom (p->the_bfd_section->filepos, "08l"));
+ 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 (" in %s", bfd_get_filename (p->bfd));
printf_filtered ("\n");
}
}
{
struct vmap *vp;
- printf_unfiltered ("\tMapping info for file `%s'.\n", vmap->name);
+ 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",
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++);
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
breakpoint_init_inferior). */
static int
-ignore (CORE_ADDR addr, char *contents)
+ignore (struct bp_target_info *bp_tgt)
{
return 0;
}
exec_ops.to_open = exec_open;
exec_ops.to_close = exec_close;
exec_ops.to_attach = find_default_attach;
- exec_ops.to_xfer_memory = xfer_memory;
+ 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;
if (!dbx_commands)
{
- c = add_cmd ("file", class_files, file_command,
- "Use FILE as program to be debugged.\n\
+ 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.", &cmdlist);
+No arg means to have no executable file and no symbols."), &cmdlist);
set_cmd_completer (c, filename_completer);
}
- c = add_cmd ("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.", &cmdlist);
+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_show_from_set
- (add_set_cmd ("write", class_support, var_boolean, (char *) &write_files,
- "Set writing into executable and core files.",
- &setlist),
- &showlist);
+ 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_target (&exec_ops);
}
static char *
exec_make_note_section (bfd *obfd, int *note_size)
{
- error ("Can't create a corefile");
+ error (_("Can't create a corefile"));
}