/* Work with executable files, for GDB.
- Copyright 1988, 1989, 1991, 1992, 1993, 1994, 1997, 1998
+ Copyright 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997,
+ 1998, 1999, 2000, 2001
Free Software Foundation, Inc.
This file is part of GDB.
#include "language.h"
#include "symfile.h"
#include "objfiles.h"
+#include "completer.h"
#ifdef USG
#include <sys/types.h>
struct vmap *vmap;
+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)
{
int need_symtab_cleanup = 0;
struct vmap *vp, *nxt;
FIXME-as-well: free_objfile already free'd vp->name, so it isn't
valid here. */
free_named_symtabs (vp->name);
- free (vp);
+ xfree (vp);
}
vmap = NULL;
if (!bfd_close (exec_bfd))
warning ("cannot close \"%s\": %s",
name, bfd_errmsg (bfd_get_error ()));
- free (name);
+ xfree (name);
exec_bfd = NULL;
}
if (exec_ops.to_sections)
{
- free ((PTR) exec_ops.to_sections);
+ xfree (exec_ops.to_sections);
exec_ops.to_sections = NULL;
exec_ops.to_sections_end = NULL;
}
}
+void
+exec_file_clear (int from_tty)
+{
+ /* Remove exec file. */
+ unpush_target (&exec_ops);
+
+ 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
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.) */
+ we're supplying the exec pathname late for good reason.)
+
+ ARGS is assumed to be the filename. */
void
-exec_file_attach (args, from_tty)
- char *args;
- int from_tty;
+exec_file_attach (char *filename, int from_tty)
{
- char **argv;
- char *filename;
-
/* 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. */
-
- 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 (free, filename);
-
scratch_chan = openp (getenv ("PATH"), 1, filename,
write_files ? O_RDWR | O_BINARY : O_RDONLY | O_BINARY, 0,
&scratch_pathname);
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 (free, scratch_pathname);
+ make_cleanup (xfree, scratch_pathname);
if (!bfd_check_format (exec_bfd, bfd_object))
{
if (exec_file_display_hook)
(*exec_file_display_hook) (filename);
}
- else if (from_tty)
- printf_unfiltered ("No executable file now.\n");
}
/* 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. */
+ which can take multiple args.
+
+ If ARGS is NULL, we just want to close the exec file. */
-void
-exec_file_command (args, from_tty)
- char *args;
- int from_tty;
+static void
+exec_file_command (char *args, int from_tty)
{
+ char **argv;
+ char *filename;
+
target_preopen (from_tty);
- exec_file_attach (args, 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
+ 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. */
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, sec_ptr asect, PTR table_pp_char)
{
struct section_table **table_pp = (struct section_table **) table_pp_char;
flagword aflag;
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 (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);
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 (abfd, sect, arg3)
- bfd *abfd;
- sec_ptr sect;
- PTR arg3;
+bfdsec_to_vmap (bfd *abfd, sec_ptr sect, PTR arg3)
{
struct vmap_and_bfd *vmap_bfd = (struct vmap_and_bfd *) arg3;
struct vmap *vp;
Return the new vmap. */
struct vmap *
-map_vmap (abfd, arch)
- bfd *abfd;
- bfd *arch;
+map_vmap (bfd *abfd, bfd *arch)
{
struct vmap_and_bfd vmap_bfd;
struct vmap *vp, **vpp;
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, char *myaddr, int len, int write,
+ struct mem_attrib *attrib,
+ struct target_ops *target)
{
boolean res;
struct section_table *p;
CORE_ADDR nextsectaddr, memend;
boolean (*xfer_fn) (bfd *, sec_ptr, PTR, file_ptr, bfd_size_type);
- asection *section;
+ asection *section = NULL;
if (len <= 0)
- abort ();
+ internal_error (__FILE__, __LINE__, "failed internal consistency check");
if (overlay_debugging)
{
\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;
}
static void
-exec_files_info (t)
- struct target_ops *t;
+exec_files_info (struct target_ops *t)
{
print_section_info (t, exec_bfd);
in the exec objfile. */
void
-exec_set_section_offsets (text_off, data_off, bss_off)
- bfd_signed_vma text_off;
- bfd_signed_vma data_off;
- bfd_signed_vma bss_off;
+exec_set_section_offsets (bfd_signed_vma text_off, bfd_signed_vma data_off,
+ bfd_signed_vma bss_off)
{
struct section_table *sect;
}
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;
breakpoint_init_inferior). */
static int
-ignore (addr, contents)
- CORE_ADDR addr;
- char *contents;
+ignore (CORE_ADDR addr, char *contents)
{
return 0;
}
defined. */
void
-init_exec_ops ()
+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_file_command;
+ exec_ops.to_open = exec_open;
exec_ops.to_close = exec_close;
exec_ops.to_attach = find_default_attach;
exec_ops.to_require_attach = find_default_require_attach;
}
void
-_initialize_exec ()
+_initialize_exec (void)
{
struct cmd_list_element *c;
projects / deliverable / binutils-gdb.git / blobdiff