#include "defs.h"
#include "gdb_string.h"
-#include "frame.h" /* required by inferior.h */
+#include "frame.h" /* required by inferior.h */
#include "inferior.h"
#include "target.h"
#include "wait.h"
* E.g., on "run a b c d" this routine would get as input
* the string "a b c d", and as output it would fill in argv with
* the four arguments "a", "b", "c", "d".
- */
+ */
static void
breakup_args (
- scratch,
- argv)
-char *scratch;
-char **argv;
+ scratch,
+ argv)
+ char *scratch;
+ char **argv;
{
- char *cp = scratch;
+ char *cp = scratch;
#if DEBUGGING
- printf("breakup_args: input = %s\n", scratch);
+ printf ("breakup_args: input = %s\n", scratch);
#endif
- for (;;) {
+ for (;;)
+ {
- /* Scan past leading separators */
- while (*cp == ' ' || *cp == '\t' || *cp == '\n') {
- cp++;
- }
+ /* Scan past leading separators */
+ while (*cp == ' ' || *cp == '\t' || *cp == '\n')
+ {
+ cp++;
+ }
- /* Break if at end of string */
- if (*cp == '\0') break;
+ /* Break if at end of string */
+ if (*cp == '\0')
+ break;
- /* Take an arg */
- *argv++ = cp;
+ /* Take an arg */
+ *argv++ = cp;
- /* Scan for next arg separator */
- cp = strchr (cp, ' ');
- if (cp == NULL)
- cp = strchr (cp, '\t');
- if (cp == NULL)
- cp = strchr (cp, '\n');
+ /* Scan for next arg separator */
+ cp = strchr (cp, ' ');
+ if (cp == NULL)
+ cp = strchr (cp, '\t');
+ if (cp == NULL)
+ cp = strchr (cp, '\n');
- /* No separators => end of string => break */
- if (cp == NULL)
- break;
+ /* No separators => end of string => break */
+ if (cp == NULL)
+ break;
- /* Replace the separator with a terminator */
- *cp++ = '\0';
+ /* Replace the separator with a terminator */
+ *cp++ = '\0';
}
- /* execv requires a null-terminated arg vector */
- *argv = NULL;
+ /* execv requires a null-terminated arg vector */
+ *argv = NULL;
}
/* If no exec file handed to us, get it from the exec-file command -- with
a good, common error message if none is specified. */
if (exec_file == 0)
- exec_file = get_exec_file(1);
+ exec_file = get_exec_file (1);
/* STARTUP_WITH_SHELL is defined in inferior.h.
* If 0, we'll just do a fork/exec, no shell, so don't
* bother figuring out what shell.
*/
- if (STARTUP_WITH_SHELL) {
- /* Figure out what shell to start up the user program under. */
- if (shell_file == NULL)
- shell_file = getenv ("SHELL");
- if (shell_file == NULL)
- shell_file = default_shell_file;
- shell = 1;
- }
+ if (STARTUP_WITH_SHELL)
+ {
+ /* Figure out what shell to start up the user program under. */
+ if (shell_file == NULL)
+ shell_file = getenv ("SHELL");
+ if (shell_file == NULL)
+ shell_file = default_shell_file;
+ shell = 1;
+ }
#if DEBUGGING
- printf("shell is %s\n", shell_file);
+ printf ("shell is %s\n", shell_file);
#endif
/* Multiplying the length of exec_file by 4 is to account for the fact
shell_command[0] = '\0';
#endif
- if (!shell) {
- /* We're going to call execvp. Create argv */
- /* Largest case: every other character is a separate arg */
+ if (!shell)
+ {
+ /* We're going to call execvp. Create argv */
+ /* Largest case: every other character is a separate arg */
#if DEBUGGING
- printf("allocating argv, length = %d\n",
- (
- (strlen (allargs) + 1) / (unsigned) 2
- + 2
- ) * sizeof (*argv)
- );
+ printf ("allocating argv, length = %d\n",
+ (
+ (strlen (allargs) + 1) / (unsigned) 2
+ + 2
+ ) * sizeof (*argv)
+ );
#endif
- argv = (char **) xmalloc(((strlen (allargs) + 1) / (unsigned) 2 + 2) * sizeof (*argv));
- argv[0] = exec_file;
- breakup_args(allargs, &argv[1]);
+ argv = (char **) xmalloc (((strlen (allargs) + 1) / (unsigned) 2 + 2) * sizeof (*argv));
+ argv[0] = exec_file;
+ breakup_args (allargs, &argv[1]);
- } else {
+ }
+ else
+ {
- /* We're going to call a shell */
+ /* We're going to call a shell */
- /* Now add exec_file, quoting as necessary. */
+ /* Now add exec_file, quoting as necessary. */
- char *p;
- int need_to_quote;
+ char *p;
+ int need_to_quote;
- strcat (shell_command, "exec ");
+ strcat (shell_command, "exec ");
- /* Quoting in this style is said to work with all shells. But csh
+ /* Quoting in this style is said to work with all shells. But csh
on IRIX 4.0.1 can't deal with it. So we only quote it if we need
to. */
- p = exec_file;
- while (1)
- {
- switch (*p)
- {
- case '\'':
- case '"':
- case '(':
- case ')':
- case '$':
- case '&':
- case ';':
- case '<':
- case '>':
- case ' ':
- case '\n':
- case '\t':
- need_to_quote = 1;
- goto end_scan;
-
- case '\0':
- need_to_quote = 0;
- goto end_scan;
-
- default:
- break;
- }
- ++p;
- }
- end_scan:
- if (need_to_quote)
- {
- strcat (shell_command, "'");
- for (p = exec_file; *p != '\0'; ++p)
- {
- if (*p == '\'')
- strcat (shell_command, "'\\''");
- else
- strncat (shell_command, p, 1);
- }
- strcat (shell_command, "'");
- }
- else
- strcat (shell_command, exec_file);
-
- strcat (shell_command, " ");
- strcat (shell_command, allargs);
-
- }
+ p = exec_file;
+ while (1)
+ {
+ switch (*p)
+ {
+ case '\'':
+ case '"':
+ case '(':
+ case ')':
+ case '$':
+ case '&':
+ case ';':
+ case '<':
+ case '>':
+ case ' ':
+ case '\n':
+ case '\t':
+ need_to_quote = 1;
+ goto end_scan;
+
+ case '\0':
+ need_to_quote = 0;
+ goto end_scan;
+
+ default:
+ break;
+ }
+ ++p;
+ }
+ end_scan:
+ if (need_to_quote)
+ {
+ strcat (shell_command, "'");
+ for (p = exec_file; *p != '\0'; ++p)
+ {
+ if (*p == '\'')
+ strcat (shell_command, "'\\''");
+ else
+ strncat (shell_command, p, 1);
+ }
+ strcat (shell_command, "'");
+ }
+ else
+ strcat (shell_command, exec_file);
+
+ strcat (shell_command, " ");
+ strcat (shell_command, allargs);
+
+ }
/* exec is said to fail if the executable is open. */
close_exec_file ();
/* Retain a copy of our environment variables, since the child will
- replace the value of environ and if we're vforked, we have to
+ replace the value of environ and if we're vforked, we have to
restore it. */
save_our_env = environ;
if (pid == 0)
{
- if (debug_fork)
+ if (debug_fork)
sleep (debug_fork);
/* Run inferior in a separate process group. */
debug_setpgrp = gdb_setpgid ();
if (debug_setpgrp == -1)
- perror("setpgrp failed in child");
+ perror ("setpgrp failed in child");
/* Ask the tty subsystem to switch to the one we specified earlier
(or to share the current terminal, if none was specified). */
environ = env;
/* If we decided above to start up with a shell,
- * we exec the shell,
+ * we exec the shell,
* "-c" says to interpret the next arg as a shell command
* to execute, and this command is "exec <target-program> <args>".
* "-f" means "fast startup" to the c-shell, which means
* don't do .cshrc file. Doing .cshrc may cause fork/exec
* events which will confuse debugger start-up code.
*/
- if (shell) {
+ if (shell)
+ {
#if 0
- /* HP change is problematic. The -f option has different meanings
- for different shells. It is particularly inappropriate for
+ /* HP change is problematic. The -f option has different meanings
+ for different shells. It is particularly inappropriate for
bourne shells. */
- execlp (shell_file, shell_file, "-f", "-c", shell_command, (char *)0);
+ execlp (shell_file, shell_file, "-f", "-c", shell_command, (char *) 0);
#else
- execlp (shell_file, shell_file, "-c", shell_command, (char *)0);
+ execlp (shell_file, shell_file, "-c", shell_command, (char *) 0);
#endif
-
-
- /* If we get here, it's an error */
- fprintf_unfiltered (gdb_stderr, "Cannot exec %s: %s.\n", shell_file,
- safe_strerror (errno));
- gdb_flush (gdb_stderr);
- _exit (0177);
- } else {
- /* Otherwise, we directly exec the target program with execvp. */
- int i;
- char * errstring;
+
+
+ /* If we get here, it's an error */
+ fprintf_unfiltered (gdb_stderr, "Cannot exec %s: %s.\n", shell_file,
+ safe_strerror (errno));
+ gdb_flush (gdb_stderr);
+ _exit (0177);
+ }
+ else
+ {
+ /* Otherwise, we directly exec the target program with execvp. */
+ int i;
+ char *errstring;
#if DEBUGGING
- printf("about to exec target, exec_file = %s\n", exec_file);
- i = 0;
- while (argv[i] != NULL) {
- printf("strlen(argv[%d]) is %d\n", i, strlen(argv[i]));
- printf("argv[%d] is %s\n", i, argv[i]);
- i++;
- }
+ printf ("about to exec target, exec_file = %s\n", exec_file);
+ i = 0;
+ while (argv[i] != NULL)
+ {
+ printf ("strlen(argv[%d]) is %d\n", i, strlen (argv[i]));
+ printf ("argv[%d] is %s\n", i, argv[i]);
+ i++;
+ }
#endif
- execvp (exec_file, argv);
-
- /* If we get here, it's an error */
- errstring = safe_strerror (errno);
- fprintf_unfiltered (gdb_stderr, "Cannot exec %s ", exec_file);
-
- i = 1;
- while (argv[i] != NULL) {
- if (i != 1)
- fprintf_unfiltered (gdb_stderr, " ");
- fprintf_unfiltered (gdb_stderr, "%s", argv[i]);
- i++;
- }
- fprintf_unfiltered (gdb_stderr, ".\n");
- /* This extra info seems to be useless
+ execvp (exec_file, argv);
+
+ /* If we get here, it's an error */
+ errstring = safe_strerror (errno);
+ fprintf_unfiltered (gdb_stderr, "Cannot exec %s ", exec_file);
+
+ i = 1;
+ while (argv[i] != NULL)
+ {
+ if (i != 1)
+ fprintf_unfiltered (gdb_stderr, " ");
+ fprintf_unfiltered (gdb_stderr, "%s", argv[i]);
+ i++;
+ }
+ fprintf_unfiltered (gdb_stderr, ".\n");
+ /* This extra info seems to be useless
fprintf_unfiltered (gdb_stderr, "Got error %s.\n", errstring);
*/
- gdb_flush (gdb_stderr);
- _exit (0177);
- }
+ gdb_flush (gdb_stderr);
+ _exit (0177);
+ }
}
/* Restore our environment in case a vforked child clob'd it. */
environ = save_our_env;
- init_thread_list();
+ init_thread_list ();
inferior_pid = pid; /* Needed for wait_for_inferior stuff below */
/* Now that we have a child process, make it our target, and
initialize anything target-vector-specific that needs initializing. */
- (*init_trace_fun)(pid);
+ (*init_trace_fun) (pid);
/* We are now in the child process of interest, having exec'd the
correct program, and are poised at the first instruction of the
*/
void
clone_and_follow_inferior (child_pid, followed_child)
- int child_pid;
- int *followed_child;
+ int child_pid;
+ int *followed_child;
{
extern int auto_solib_add;
- int debugger_pid;
- int status;
- char pid_spelling [100]; /* Arbitrary but sufficient length. */
+ int debugger_pid;
+ int status;
+ char pid_spelling[100]; /* Arbitrary but sufficient length. */
/* This semaphore is used to coordinate the two debuggers' handoff
of CHILD_PID. The original debugger will detach from CHILD_PID,
*/
#define SEM_TALK (1)
#define SEM_LISTEN (0)
- int handoff_semaphore[2]; /* Original "talks" to [1], clone "listens" to [0] */
- int talk_value = 99;
- int listen_value;
+ int handoff_semaphore[2]; /* Original "talks" to [1], clone "listens" to [0] */
+ int talk_value = 99;
+ int listen_value;
/* Set debug_fork then attach to the child while it sleeps, to debug. */
static int debug_fork = 0;
to CHILD_PID. */
if (debugger_pid != 0)
{
- char signal_spelling[100]; /* Arbitrary but sufficient length */
+ char signal_spelling[100];/* Arbitrary but sufficient length */
/* Detach from CHILD_PID. Deliver a "stop" signal when we do, though,
so that it remains stopped until the clone debugger can attach
/* We're the child. */
else
{
- if (debug_fork)
- sleep (debug_fork);
+ if (debug_fork)
+ sleep (debug_fork);
/* The child (i.e., the cloned debugger) must now attach to
CHILD_PID. inferior_pid is presently set to the parent process
new_tty ();
dont_repeat ();
- sprintf(pid_spelling, "%d", child_pid);
+ sprintf (pid_spelling, "%d", child_pid);
target_require_attach (pid_spelling, 1);
/* Perform any necessary cleanup, after attachment. (This form
terminal_initted = 1;
}
- pending_execs = pending_execs - 1;
+ pending_execs = pending_execs - 1;
if (0 == pending_execs)
break;
- resume (0, TARGET_SIGNAL_0); /* Just make it go on */
+ resume (0, TARGET_SIGNAL_0); /* Just make it go on */
}
}
#endif /* STARTUP_INFERIOR */
projects / binutils-gdb.git / commitdiff