-/* Memory-access and commands for "inferior" (child) process, for GDB.
+/* Memory-access and commands for "inferior" process, for GDB.
Copyright 1986, 1987, 1988, 1989, 1991, 1992 Free Software Foundation, Inc.
This file is part of GDB.
#include "target.h"
#include "language.h"
-static void
-continue_command PARAMS ((char *, int));
+static void continue_command PARAMS ((char *, int));
-static void
-until_next_command PARAMS ((int));
+static void until_next_command PARAMS ((int));
-static void
-until_command PARAMS ((char *, int));
+static void until_command PARAMS ((char *, int));
-static void
-path_info PARAMS ((char *, int));
+static void path_info PARAMS ((char *, int));
-static void
-path_command PARAMS ((char *, int));
+static void path_command PARAMS ((char *, int));
-static void
-unset_command PARAMS ((char *, int));
+static void unset_command PARAMS ((char *, int));
-static void
-float_info PARAMS ((char *, int));
+static void float_info PARAMS ((char *, int));
-static void
-detach_command PARAMS ((char *, int));
+static void detach_command PARAMS ((char *, int));
-static void
-nofp_registers_info PARAMS ((char *, int));
+static void nofp_registers_info PARAMS ((char *, int));
-static void
-all_registers_info PARAMS ((char *, int));
+static void all_registers_info PARAMS ((char *, int));
-static void
-registers_info PARAMS ((char *, int));
+static void registers_info PARAMS ((char *, int));
-static void
-do_registers_info PARAMS ((int, int));
+static void do_registers_info PARAMS ((int, int));
-static void
-unset_environment_command PARAMS ((char *, int));
+static void unset_environment_command PARAMS ((char *, int));
-static void
-set_environment_command PARAMS ((char *, int));
+static void set_environment_command PARAMS ((char *, int));
-static void
-environment_info PARAMS ((char *, int));
+static void environment_info PARAMS ((char *, int));
-static void
-program_info PARAMS ((char *, int));
+static void program_info PARAMS ((char *, int));
-static void
-finish_command PARAMS ((char *, int));
+static void finish_command PARAMS ((char *, int));
-static void
-signal_command PARAMS ((char *, int));
+static void signal_command PARAMS ((char *, int));
-static void
-jump_command PARAMS ((char *, int));
+static void jump_command PARAMS ((char *, int));
-static void
-step_1 PARAMS ((int, int, char *));
+static void step_1 PARAMS ((int, int, char *));
-static void
-nexti_command PARAMS ((char *, int));
+static void nexti_command PARAMS ((char *, int));
-static void
-stepi_command PARAMS ((char *, int));
+static void stepi_command PARAMS ((char *, int));
-static void
-next_command PARAMS ((char *, int));
+static void next_command PARAMS ((char *, int));
-static void
-step_command PARAMS ((char *, int));
+static void step_command PARAMS ((char *, int));
-static void
-run_command PARAMS ((char *, int));
+static void run_command PARAMS ((char *, int));
#define ERROR_NO_INFERIOR \
if (!target_has_execution) error ("The program is not being run.");
This is how we know when we step into a subroutine call,
and how to set the frame for the breakpoint used to step out. */
-FRAME_ADDR step_frame_address;
+CORE_ADDR step_frame_address;
/* Our notion of the current stack pointer. */
char *count_string;
{
register int count = 1;
- FRAME fr;
+ struct frame_info *frame;
struct cleanup *cleanups = 0;
ERROR_NO_INFERIOR;
{
clear_proceed_status ();
- fr = get_current_frame ();
- if (!fr) /* Avoid coredump here. Why tho? */
+ frame = get_current_frame ();
+ if (!frame) /* Avoid coredump here. Why tho? */
error ("No current frame");
- step_frame_address = FRAME_FP (fr);
+ step_frame_address = FRAME_FP (frame);
step_sp = read_sp ();
if (! single_inst)
if (oursig == TARGET_SIGNAL_UNKNOWN)
{
- /* Not found as a name, try it as an expression. */
- /* The numeric signal refers to our own internal signal numbering
- from target.h, not to host/target signal number. This is a
- feature; users really should be using symbolic names anyway,
- and the common ones like SIGHUP, SIGINT, SIGALRM, etc. will
- work right anyway. */
- int signum = parse_and_eval_address (signum_exp);
- if (signum < 0
- || signum >= (int)TARGET_SIGNAL_LAST
- || signum == (int)TARGET_SIGNAL_UNKNOWN
- || signum == (int)TARGET_SIGNAL_DEFAULT)
- error ("Invalid signal number %d.", signum);
- oursig = signum;
+ /* No, try numeric. */
+ int num = parse_and_eval_address (signum_exp);
+
+ if (num == 0)
+ oursig = TARGET_SIGNAL_0;
+ else
+ oursig = target_signal_from_command (num);
}
if (from_tty)
}
clear_proceed_status ();
- proceed (stop_pc, oursig, 0);
+ /* "signal 0" should not get stuck if we are stopped at a breakpoint.
+ FIXME: Neither should "signal foo" but when I tried passing
+ (CORE_ADDR)-1 unconditionally I got a testsuite failure which I haven't
+ tried to track down yet. */
+ proceed (oursig == TARGET_SIGNAL_0 ? (CORE_ADDR) -1 : stop_pc, oursig, 0);
}
/* Call breakpoint_auto_delete on the current contents of the bpstat
frame in case there is only one copy of the dummy (e.g.
CALL_DUMMY_LOCATION == AFTER_TEXT_END). */
flush_cached_frames ();
+ set_current_frame (create_new_frame (read_fp (), sal.pc));
/* If defined, CALL_DUMMY_BREAKPOINT_OFFSET is where we need to put
a breakpoint instruction. If not, the call dummy already has the
until_next_command (from_tty)
int from_tty;
{
- FRAME frame;
+ struct frame_info *frame;
CORE_ADDR pc;
struct symbol *func;
struct symtab_and_line sal;
int from_tty;
{
struct symtab_and_line sal;
- register FRAME frame;
- struct frame_info *fi;
+ register struct frame_info *frame;
register struct symbol *function;
struct breakpoint *breakpoint;
struct cleanup *old_chain;
clear_proceed_status ();
- fi = get_frame_info (frame);
- sal = find_pc_line (fi->pc, 0);
- sal.pc = fi->pc;
+ sal = find_pc_line (frame->pc, 0);
+ sal.pc = frame->pc;
breakpoint = set_momentary_breakpoint (sal, frame, bp_finish);
/* Find the function we will return from. */
- fi = get_frame_info (selected_frame);
- function = find_pc_function (fi->pc);
+ function = find_pc_function (selected_frame->pc);
/* Print info on the selected frame, including level number
but not source. */
path_info ((char *)NULL, from_tty);
}
\f
-const char * const reg_names[] = REGISTER_NAMES;
+/* The array of register names. */
+
+char *reg_names[] = REGISTER_NAMES;
/* Print out the machine register regnum. If regnum is -1,
print all registers (fpregs == 1) or all non-float registers
were debugging a file, the file is closed and gdb no longer accesses it.");
add_com ("signal", class_run, signal_command,
- "Continue program giving it signal number SIGNUMBER.");
+ "Continue program giving it signal specified by the argument.\n\
+An argument of \"0\" means continue program without giving it a signal.");
add_com ("stepi", class_run, stepi_command,
"Step one instruction exactly.\n\
projects / deliverable / binutils-gdb.git / blobdiff