hp merge changes -- too numerous to mention here; see ChangeLog and
ChangeLog-gdbtk for details.
This commit is contained in:
David Taylor
parent
d6fdf61c78
commit
4ef1f46773
68 changed files with 7667 additions and 859 deletions
109
gdb/corelow.c
109
gdb/corelow.c
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@ -23,6 +23,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#include <errno.h>
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#include <signal.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include "frame.h" /* required by inferior.h */
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#include "inferior.h"
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#include "symtab.h"
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@ -56,6 +57,8 @@ static void add_to_thread_list PARAMS ((bfd *, asection *, PTR));
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static int ignore PARAMS ((CORE_ADDR, char *));
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static char * core_file_to_sym_file PARAMS ((char *));
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void _initialize_corelow PARAMS ((void));
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/* Link a new core_fns into the global core_file_fns list. Called on gdb
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@ -358,6 +361,69 @@ cant:
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registers_fetched ();
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}
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static char *
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core_file_to_sym_file (core)
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char * core;
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{
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CONST char * failing_command;
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char * p;
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char * temp;
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bfd * temp_bfd;
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int scratch_chan;
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if (! core)
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error ("No core file specified.");
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core = tilde_expand (core);
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if (core[0] != '/')
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{
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temp = concat (current_directory, "/", core, NULL);
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core = temp;
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}
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scratch_chan = open (core, write_files ? O_RDWR : O_RDONLY, 0);
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if (scratch_chan < 0)
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perror_with_name (core);
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temp_bfd = bfd_fdopenr (core, gnutarget, scratch_chan);
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if (temp_bfd == NULL)
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perror_with_name (core);
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if (!bfd_check_format (temp_bfd, bfd_core))
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{
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/* Do it after the err msg */
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/* FIXME: should be checking for errors from bfd_close (for one thing,
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on error it does not free all the storage associated with the
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bfd). */
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make_cleanup (bfd_close, temp_bfd);
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error ("\"%s\" is not a core dump: %s",
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core, bfd_errmsg (bfd_get_error ()));
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}
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/* Find the data section */
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if (build_section_table (temp_bfd, &core_ops.to_sections,
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&core_ops.to_sections_end))
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error ("\"%s\": Can't find sections: %s",
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bfd_get_filename (temp_bfd), bfd_errmsg (bfd_get_error ()));
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failing_command = bfd_core_file_failing_command (temp_bfd);
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bfd_close (temp_bfd);
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/* If we found a filename, remember that it is probably saved
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relative to the executable that created it. If working directory
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isn't there now, we may not be able to find the executable. Rather
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than trying to be sauve about finding it, just check if the file
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exists where we are now. If not, then punt and tell our client
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we couldn't find the sym file.
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*/
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p = (char *) failing_command;
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if ((p != NULL) && (access (p, F_OK) != 0))
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p = NULL;
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return p;
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}
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static void
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core_files_info (t)
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struct target_ops *t;
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@ -376,6 +442,21 @@ ignore (addr, contents)
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return 0;
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}
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/* Okay, let's be honest: threads gleaned from a core file aren't
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exactly lively, are they? On the other hand, if we don't claim
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that each & every one is alive, then we don't get any of them
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to appear in an "info thread" command, which is quite a useful
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behaviour.
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*/
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static int
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core_file_thread_alive (tid)
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int tid;
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{
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return 1;
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}
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struct target_ops core_ops = {
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"core", /* to_shortname */
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"Local core dump file", /* to_longname */
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@ -383,9 +464,13 @@ struct target_ops core_ops = {
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core_open, /* to_open */
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core_close, /* to_close */
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find_default_attach, /* to_attach */
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NULL, /* to_post_attach */
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find_default_require_attach, /* to_require_attach */
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core_detach, /* to_detach */
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find_default_require_detach, /* to_require_detach */
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0, /* to_resume */
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0, /* to_wait */
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NULL, /* to_post_wait */
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get_core_registers, /* to_fetch_registers */
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0, /* to_store_registers */
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0, /* to_prepare_to_store */
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@ -402,11 +487,33 @@ struct target_ops core_ops = {
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0, /* to_load */
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0, /* to_lookup_symbol */
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find_default_create_inferior, /* to_create_inferior */
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NULL, /* to_post_startup_inferior */
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NULL, /* to_acknowledge_created_inferior */
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find_default_clone_and_follow_inferior, /* to_clone_and_follow_inferior */
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NULL, /* to_post_follow_inferior_by_clone */
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NULL, /* to_insert_fork_catchpoint */
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NULL, /* to_remove_fork_catchpoint */
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NULL, /* to_insert_vfork_catchpoint */
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NULL, /* to_remove_vfork_catchpoint */
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NULL, /* to_has_forked */
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NULL, /* to_has_vforked */
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NULL, /* to_can_follow_vfork_prior_to_exec */
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NULL, /* to_post_follow_vfork */
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NULL, /* to_insert_exec_catchpoint */
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NULL, /* to_remove_exec_catchpoint */
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NULL, /* to_has_execd */
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NULL, /* to_reported_exec_events_per_exec_call */
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NULL, /* to_has_syscall_event */
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NULL, /* to_has_exited */
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0, /* to_mourn_inferior */
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0, /* to_can_run */
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0, /* to_notice_signals */
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0, /* to_thread_alive */
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core_file_thread_alive, /* to_thread_alive */
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0, /* to_stop */
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NULL, /* to_enable_exception_callback */
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NULL, /* to_get_current_exception_event */
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NULL, /* to_pid_to_exec_file */
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core_file_to_sym_file, /* to_core_file_to_sym_file */
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core_stratum, /* to_stratum */
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0, /* to_next */
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0, /* to_has_all_memory */
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