diff options
Diffstat (limited to 'gdb/exec.c')
-rw-r--r-- | gdb/exec.c | 125 |
1 files changed, 54 insertions, 71 deletions
@@ -136,73 +136,16 @@ exec_file_clear (int from_tty) printf_unfiltered (_("No executable file now.\n")); } -/* Returns non-zero if exceptions E1 and E2 are equal. Returns zero - otherwise. */ - -static int -exception_print_same (struct gdb_exception e1, struct gdb_exception e2) -{ - const char *msg1 = e1.message; - const char *msg2 = e2.message; - - if (msg1 == NULL) - msg1 = ""; - if (msg2 == NULL) - msg2 = ""; - - return (e1.reason == e2.reason - && e1.error == e2.error - && strcmp (msg1, msg2) == 0); -} - -/* See gdbcore.h. */ +/* See exec.h. */ void -exec_file_locate_attach (int pid, int defer_bp_reset, int from_tty) +try_open_exec_file (const char *exec_file_host, struct inferior *inf, + symfile_add_flags add_flags) { - char *exec_file, *full_exec_path = NULL; struct cleanup *old_chain; struct gdb_exception prev_err = exception_none; - /* Do nothing if we already have an executable filename. */ - exec_file = (char *) get_exec_file (0); - if (exec_file != NULL) - return; - - /* Try to determine a filename from the process itself. */ - exec_file = target_pid_to_exec_file (pid); - if (exec_file == NULL) - { - warning (_("No executable has been specified and target does not " - "support\n" - "determining executable automatically. " - "Try using the \"file\" command.")); - return; - } - - /* If gdb_sysroot is not empty and the discovered filename - is absolute then prefix the filename with gdb_sysroot. */ - if (*gdb_sysroot != '\0' && IS_ABSOLUTE_PATH (exec_file)) - { - full_exec_path = exec_file_find (exec_file, NULL); - if (full_exec_path == NULL) - return; - } - else - { - /* It's possible we don't have a full path, but rather just a - filename. Some targets, such as HP-UX, don't provide the - full path, sigh. - - Attempt to qualify the filename against the source path. - (If that fails, we'll just fall back on the original - filename. Not much more we can do...) */ - if (!source_full_path_of (exec_file, &full_exec_path)) - full_exec_path = xstrdup (exec_file); - } - - old_chain = make_cleanup (xfree, full_exec_path); - make_cleanup (free_current_contents, &prev_err.message); + old_chain = make_cleanup (free_current_contents, &prev_err.message); /* exec_file_attach and symbol_file_add_main may throw an error if the file cannot be opened either locally or remotely. @@ -217,7 +160,9 @@ exec_file_locate_attach (int pid, int defer_bp_reset, int from_tty) errors/exceptions in the following code. */ TRY { - exec_file_attach (full_exec_path, from_tty); + /* We must do this step even if exec_file_host is NULL, so that + exec_file_attach will clear state. */ + exec_file_attach (exec_file_host, add_flags & SYMFILE_VERBOSE); } CATCH (err, RETURN_MASK_ERROR) { @@ -232,20 +177,58 @@ exec_file_locate_attach (int pid, int defer_bp_reset, int from_tty) } END_CATCH - TRY + if (exec_file_host != NULL) { - if (defer_bp_reset) - current_inferior ()->symfile_flags |= SYMFILE_DEFER_BP_RESET; - symbol_file_add_main (full_exec_path, from_tty); + TRY + { + symbol_file_add_main (exec_file_host, add_flags); + } + CATCH (err, RETURN_MASK_ERROR) + { + if (!exception_print_same (prev_err, err)) + warning ("%s", err.message); + } + END_CATCH } - CATCH (err, RETURN_MASK_ERROR) + + do_cleanups (old_chain); +} + +/* See gdbcore.h. */ + +void +exec_file_locate_attach (int pid, int defer_bp_reset, int from_tty) +{ + char *exec_file_target, *exec_file_host; + struct cleanup *old_chain; + symfile_add_flags add_flags = 0; + + /* Do nothing if we already have an executable filename. */ + if (get_exec_file (0) != NULL) + return; + + /* Try to determine a filename from the process itself. */ + exec_file_target = target_pid_to_exec_file (pid); + if (exec_file_target == NULL) { - if (!exception_print_same (prev_err, err)) - warning ("%s", err.message); + warning (_("No executable has been specified and target does not " + "support\n" + "determining executable automatically. " + "Try using the \"file\" command.")); + return; } - END_CATCH - current_inferior ()->symfile_flags &= ~SYMFILE_DEFER_BP_RESET; + exec_file_host = exec_file_find (exec_file_target, NULL); + old_chain = make_cleanup (xfree, exec_file_host); + + if (defer_bp_reset) + add_flags |= SYMFILE_DEFER_BP_RESET; + + if (from_tty) + add_flags |= SYMFILE_VERBOSE; + + /* Attempt to open the exec file. */ + try_open_exec_file (exec_file_host, current_inferior (), add_flags); do_cleanups (old_chain); } |