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authorDavid Taylor <taylor@redhat.com>1998-12-31 21:58:30 +0000
committerDavid Taylor <taylor@redhat.com>1998-12-31 21:58:30 +0000
commit65b07ddca8832033e0e102c3a2a0d9f9f5922a9d (patch)
tree7fc8cee254f271f4cc57e64bcb23576fa121e706 /gdb/infcmd.c
parentc450a7fe3f5214f42118a04639074d0e3883582c (diff)
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all remaining *.c *.h files from hp merge.
Diffstat (limited to 'gdb/infcmd.c')
-rw-r--r--gdb/infcmd.c141
1 files changed, 130 insertions, 11 deletions
diff --git a/gdb/infcmd.c b/gdb/infcmd.c
index 4c18f6d..89adb46 100644
--- a/gdb/infcmd.c
+++ b/gdb/infcmd.c
@@ -32,6 +32,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include "target.h"
#include "language.h"
#include "symfile.h"
+#include "objfiles.h"
/* Functions exported for general use: */
@@ -91,6 +92,8 @@ static void run_command PARAMS ((char *, int));
void _initialize_infcmd PARAMS ((void));
+#define GO_USAGE "Usage: go <location>\n"
+
#ifdef CALL_DUMMY_BREAKPOINT_OFFSET
static void breakpoint_auto_delete_contents PARAMS ((PTR));
#endif
@@ -207,12 +210,19 @@ run_command (args, from_tty)
Start it from the beginning? "))
error ("Program not restarted.");
target_kill ();
+#if defined(SOLIB_RESTART)
+ SOLIB_RESTART ();
+#endif
+ init_wait_for_inferior ();
}
clear_breakpoint_hit_counts ();
exec_file = (char *) get_exec_file (0);
+ /* Purge old solib objfiles. */
+ objfile_purge_solibs ();
+
do_run_cleanups (NULL);
/* The exec file is re-read every time we do a generic_mourn_inferior, so
@@ -249,6 +259,17 @@ Start it from the beginning? "))
target_create_inferior (exec_file, inferior_args,
environ_vector (inferior_environ));
}
+
+
+static void
+run_no_args_command (args, from_tty)
+ char *args;
+ int from_tty;
+{
+ execute_command("set args", from_tty);
+ run_command((char *)NULL, from_tty);
+}
+
void
continue_command (proc_count_exp, from_tty)
@@ -481,6 +502,23 @@ jump_command (arg, from_tty)
proceed (addr, TARGET_SIGNAL_0, 0);
}
+
+/* Go to line or address in current procedure */
+static void
+go_command(line_no, from_tty)
+ char *line_no;
+ int from_tty;
+{
+ if (line_no == (char *)NULL || !*line_no)
+ printf_filtered(GO_USAGE);
+ else
+ {
+ tbreak_command(line_no, from_tty);
+ jump_command(line_no, from_tty);
+ }
+}
+
+
/* Continue program giving it specified signal. */
static void
@@ -615,8 +653,10 @@ run_stack_dummy (addr, buffer)
}
#endif /* CALL_DUMMY_BREAKPOINT_OFFSET. */
+ disable_watchpoints_before_interactive_call_start ();
proceed_to_finish = 1; /* We want stop_registers, please... */
proceed (addr, TARGET_SIGNAL_0, 0);
+ enable_watchpoints_after_interactive_call_stop ();
discard_cleanups (old_cleanups);
@@ -754,6 +794,7 @@ finish_command (arg, from_tty)
struct type *value_type;
register value_ptr val;
CORE_ADDR funcaddr;
+ int struct_return;
value_type = TYPE_TARGET_TYPE (SYMBOL_TYPE (function));
if (!value_type)
@@ -764,15 +805,36 @@ finish_command (arg, from_tty)
funcaddr = BLOCK_START (SYMBOL_BLOCK_VALUE (function));
- val = value_being_returned (value_type, stop_registers,
- using_struct_return (value_of_variable (function, NULL),
+ struct_return = using_struct_return (value_of_variable (function, NULL),
+
funcaddr,
check_typedef (value_type),
- BLOCK_GCC_COMPILED (SYMBOL_BLOCK_VALUE (function))));
-
- printf_filtered ("Value returned is $%d = ", record_latest_value (val));
- value_print (val, gdb_stdout, 0, Val_no_prettyprint);
- printf_filtered ("\n");
+ BLOCK_GCC_COMPILED (SYMBOL_BLOCK_VALUE (function)));
+
+ if (!struct_return)
+ {
+ val = value_being_returned (value_type, stop_registers, struct_return);
+ printf_filtered ("Value returned is $%d = ", record_latest_value (val));
+ value_print (val, gdb_stdout, 0, Val_no_prettyprint);
+ printf_filtered ("\n");
+ }
+ else
+ {
+ /* elz: we cannot determine the contents of the structure because
+ it is on the stack, and we don't know where, since we did not
+ initiate the call, as opposed to the call_function_by_hand case */
+#ifdef VALUE_RETURNED_FROM_STACK
+ val = 0;
+ printf_filtered ("Value returned has type: %s.", TYPE_NAME (value_type));
+ printf_filtered (" Cannot determine contents\n");
+#else
+ val = value_being_returned (value_type, stop_registers, struct_return);
+ printf_filtered ("Value returned is $%d = ", record_latest_value (val));
+ value_print (val, gdb_stdout, 0, Val_no_prettyprint);
+ printf_filtered ("\n");
+#endif
+
+ }
}
do_cleanups(old_chain);
}
@@ -971,6 +1033,7 @@ path_command (dirname, from_tty)
if (from_tty)
path_info ((char *)NULL, from_tty);
}
+
#ifdef REGISTER_NAMES
char *gdb_register_names[] = REGISTER_NAMES;
@@ -1186,6 +1249,9 @@ attach_command (args, from_tty)
extern int auto_solib_add;
#endif
+ char * exec_file;
+ char * full_exec_path = NULL;
+
dont_repeat (); /* Not for the faint of heart */
if (target_has_execution)
@@ -1217,15 +1283,43 @@ attach_command (args, from_tty)
wait_for_inferior ();
#endif
+ /*
+ * If no exec file is yet known, try to determine it from the
+ * process itself.
+ */
+ exec_file = (char *) get_exec_file (0);
+ if (! exec_file) {
+ exec_file = target_pid_to_exec_file (inferior_pid);
+ if (exec_file) {
+ /* 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 = savestring (exec_file, strlen (exec_file));
+
+ exec_file_attach (full_exec_path, from_tty);
+ symbol_file_command (full_exec_path, from_tty);
+ }
+ }
+
#ifdef SOLIB_ADD
if (auto_solib_add)
{
/* Add shared library symbols from the newly attached process, if any. */
- SOLIB_ADD ((char *)0, from_tty, (struct target_ops *)0);
+ SOLIB_ADD ((char *)0, from_tty, &current_target);
re_enable_breakpoints_in_shlibs ();
}
#endif
+ /* Take any necessary post-attaching actions for this platform.
+ */
+ target_post_attach (inferior_pid);
+
normal_stop ();
}
@@ -1247,6 +1341,9 @@ detach_command (args, from_tty)
{
dont_repeat (); /* Not for the faint of heart */
target_detach (args, from_tty);
+#if defined(SOLIB_RESTART)
+ SOLIB_RESTART ();
+#endif
}
/* ARGSUSED */
@@ -1332,12 +1429,15 @@ fully linked executable files and separately compiled object files as needed.",
add_com ("attach", class_run, attach_command,
"Attach to a process or file outside of GDB.\n\
This command attaches to another target, of the same type as your last\n\
-`target' command (`info files' will show your target stack).\n\
+\"target\" command (\"info files\" will show your target stack).\n\
The command may take as argument a process id or a device file.\n\
For a process id, you must have permission to send the process a signal,\n\
and it must have the same effective uid as the debugger.\n\
-When using \"attach\", you should use the \"file\" command to specify\n\
-the program running in the process, and to load its symbol table.");
+When using \"attach\" with a process id, the debugger finds the\n\
+program running in the process, looking first in the current working\n\
+directory, or (if not found there) using the source file search path\n\
+(see the \"directory\" command). You can also use the \"file\" command\n\
+to specify the program, and to load its symbol table.");
add_com ("detach", class_run, detach_command,
"Detach a process or file previously attached.\n\
@@ -1368,6 +1468,8 @@ Like the \"step\" command as long as subroutine calls do not happen;\n\
when they do, the call is treated as one instruction.\n\
Argument N means do this N times (or till program stops for another reason).");
add_com_alias ("n", "next", class_run, 1);
+ if (xdb_commands)
+ add_com_alias("S", "next", class_run, 1);
add_com ("step", class_run, step_command,
"Step program until it reaches a different source line.\n\
@@ -1385,6 +1487,16 @@ Execution will also stop upon exit from the current stack frame.");
Give as argument either LINENUM or *ADDR, where ADDR is an expression\n\
for an address to start at.");
+ add_com ("go", class_run, go_command,
+ "Usage: go <location>\n\
+Continue program being debugged, stopping at specified line or \n\
+address.\n\
+Give as argument either LINENUM or *ADDR, where ADDR is an \n\
+expression for an address to start at.\n\
+This command is a combination of tbreak and jump.");
+ if (xdb_commands)
+ add_com_alias("g", "g", class_run, 1);
+
add_com ("continue", class_run, continue_command,
"Continue program being debugged, after signal or breakpoint.\n\
If proceeding from breakpoint, a number N may be used as an argument,\n\
@@ -1401,11 +1513,18 @@ With no arguments, uses arguments last specified (with \"run\" or \"set args\").
To cancel previous arguments and run with no arguments,\n\
use \"set args\" without arguments.");
add_com_alias ("r", "run", class_run, 1);
+ if (xdb_commands)
+ add_com ("R", class_run, run_no_args_command,
+ "Start debugged program with no arguments.");
add_info ("registers", nofp_registers_info,
"List of integer registers and their contents, for selected stack frame.\n\
Register name as argument means describe only that register.");
+ if (xdb_commands)
+ add_com("lr", class_info, nofp_registers_info,
+ "List of integer registers and their contents, for selected stack frame.\n\
+ Register name as argument means describe only that register.");
add_info ("all-registers", all_registers_info,
"List of all registers and their contents, for selected stack frame.\n\
Register name as argument means describe only that register.");