mirror of
https://github.com/espressif/binutils-gdb.git
synced 2025-08-02 02:35:00 +08:00
gdb-2.8.1
This commit is contained in:
gdb-2.8.1
185
gdb/breakpoint.c
185
gdb/breakpoint.c
@ -622,63 +622,96 @@ set_breakpoint (s, line, tempflag)
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}
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/* Set a breakpoint according to ARG (function, linenum or *address)
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and make it temporary if TEMPFLAG is nonzero. */
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and make it temporary if TEMPFLAG is nonzero.
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LINE_NUM is for C++. */
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static void
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break_command_1 (arg, tempflag, from_tty)
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break_command_1 (arg, tempflag, from_tty, line_num)
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char *arg;
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int tempflag, from_tty;
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int tempflag, from_tty, line_num;
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{
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struct symtabs_and_lines sals;
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struct symtab_and_line sal;
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register struct expression *cond = 0;
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register struct breakpoint *b;
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char *save_arg;
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int i;
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sal.pc = 0;
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sals.sals = NULL;
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sals.nelts = 0;
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sal.line = sal.pc = sal.end = 0;
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sal.symtab = 0;
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if (arg)
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{
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sal = decode_line_1 (&arg, 1, 0, 0);
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CORE_ADDR pc;
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sals = decode_line_1 (&arg, 1, 0, 0);
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if (sal.pc == 0 && sal.symtab != 0)
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if (! sals.nelts) return;
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save_arg = arg;
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for (i = 0; i < sals.nelts; i++)
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{
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sal.pc = find_line_pc (sal.symtab, sal.line);
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if (sal.pc == 0)
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error ("No line %d in file \"%s\".",
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sal.line, sal.symtab->filename);
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}
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sal = sals.sals[i];
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if (sal.pc == 0 && sal.symtab != 0)
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{
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pc = find_line_pc (sal.symtab, sal.line);
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if (pc == 0)
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error ("No line %d in file \"%s\".",
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sal.line, sal.symtab->filename);
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}
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else pc = sal.pc;
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while (*arg)
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{
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if (arg[0] == 'i' && arg[1] == 'f'
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&& (arg[2] == ' ' || arg[2] == '\t'))
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cond = (struct expression *) parse_c_1 ((arg += 2, &arg),
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block_for_pc (sal.pc), 0);
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else
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error ("Junk at end of arguments.");
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while (*arg)
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{
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if (arg[0] == 'i' && arg[1] == 'f'
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&& (arg[2] == ' ' || arg[2] == '\t'))
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cond = (struct expression *) parse_c_1 ((arg += 2, &arg),
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block_for_pc (pc), 0);
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else
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error ("Junk at end of arguments.");
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}
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arg = save_arg;
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sals.sals[i].pc = pc;
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}
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}
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else if (default_breakpoint_valid)
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{
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sals.sals = (struct symtab_and_line *) malloc (sizeof (struct symtab_and_line));
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sal.pc = default_breakpoint_address;
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sal.line = default_breakpoint_line;
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sal.symtab = default_breakpoint_symtab;
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sals.sals[0] = sal;
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sals.nelts = 1;
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}
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else
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error ("No default breakpoint address now.");
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if (from_tty)
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describe_other_breakpoints (sal.pc);
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for (i = 0; i < sals.nelts; i++)
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{
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sal = sals.sals[i];
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sal.line += line_num; /** C++ **/
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if (line_num != 0)
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{ /* get the pc for a particular line */
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sal.pc = find_line_pc (sal.symtab, sal.line);
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}
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b = set_raw_breakpoint (sal);
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b->number = ++breakpoint_count;
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b->cond = cond;
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if (tempflag)
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b->enable = temporary;
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if (from_tty)
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describe_other_breakpoints (sal.pc);
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printf ("Breakpoint %d at 0x%x", b->number, b->address);
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if (b->symtab)
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printf (": file %s, line %d.", b->symtab->filename, b->line_number);
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printf ("\n");
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b = set_raw_breakpoint (sal);
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b->number = ++breakpoint_count;
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b->cond = cond;
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if (tempflag)
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b->enable = temporary;
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printf ("Breakpoint %d at 0x%x", b->number, b->address);
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if (b->symtab)
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printf (": file %s, line %d.", b->symtab->filename, b->line_number);
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printf ("\n");
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}
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free (sals.sals);
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}
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static void
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@ -686,7 +719,7 @@ break_command (arg, from_tty)
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char *arg;
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int from_tty;
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{
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break_command_1 (arg, 0, from_tty);
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break_command_1 (arg, 0, from_tty, 0);
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}
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static void
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@ -694,7 +727,7 @@ tbreak_command (arg, from_tty)
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char *arg;
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int from_tty;
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{
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break_command_1 (arg, 1, from_tty);
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break_command_1 (arg, 1, from_tty, 0);
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}
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static void
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@ -703,60 +736,70 @@ clear_command (arg, from_tty)
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int from_tty;
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{
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register struct breakpoint *b, *b1;
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struct symtabs_and_lines sals;
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struct symtab_and_line sal;
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register struct breakpoint *found;
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int i;
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if (arg)
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sal = decode_line_spec (arg, 1);
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sals = decode_line_spec (arg, 1);
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else
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{
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sals.sals = (struct symtab_and_line *) malloc (sizeof (struct symtab_and_line));
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sal.line = default_breakpoint_line;
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sal.symtab = default_breakpoint_symtab;
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sal.pc = 0;
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if (sal.symtab == 0)
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error ("No source file specified.");
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sals.sals[0] = sal;
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sals.nelts = 1;
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}
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/* If exact pc given, clear bpts at that pc.
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But if sal.pc is zero, clear all bpts on specified line. */
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found = (struct breakpoint *) 0;
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while (breakpoint_chain
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&& (sal.pc ? breakpoint_chain->address == sal.pc
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: (breakpoint_chain->symtab == sal.symtab
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&& breakpoint_chain->line_number == sal.line)))
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for (i = 0; i < sals.nelts; i++)
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{
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b1 = breakpoint_chain;
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breakpoint_chain = b1->next;
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b1->next = found;
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found = b1;
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/* If exact pc given, clear bpts at that pc.
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But if sal.pc is zero, clear all bpts on specified line. */
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sal = sals.sals[i];
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found = (struct breakpoint *) 0;
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while (breakpoint_chain
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&& (sal.pc ? breakpoint_chain->address == sal.pc
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: (breakpoint_chain->symtab == sal.symtab
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&& breakpoint_chain->line_number == sal.line)))
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{
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b1 = breakpoint_chain;
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breakpoint_chain = b1->next;
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b1->next = found;
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found = b1;
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}
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ALL_BREAKPOINTS (b)
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while (b->next
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&& (sal.pc ? b->next->address == sal.pc
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: (b->next->symtab == sal.symtab
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&& b->next->line_number == sal.line)))
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{
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b1 = b->next;
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b->next = b1->next;
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b1->next = found;
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found = b1;
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}
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if (found == 0)
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error ("No breakpoint at %s.", arg);
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if (found->next) from_tty = 1; /* Always report if deleted more than one */
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if (from_tty) printf ("Deleted breakpoint%s ", found->next ? "s" : "");
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while (found)
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{
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if (from_tty) printf ("%d ", found->number);
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b1 = found->next;
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delete_breakpoint (found);
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found = b1;
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}
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if (from_tty) putchar ('\n');
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}
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ALL_BREAKPOINTS (b)
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while (b->next
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&& (sal.pc ? b->next->address == sal.pc
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: (b->next->symtab == sal.symtab
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&& b->next->line_number == sal.line)))
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{
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b1 = b->next;
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b->next = b1->next;
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b1->next = found;
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found = b1;
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}
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if (found == 0)
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error ("No breakpoint at %s.", arg);
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if (found->next) from_tty = 1; /* Alwats report if deleted more than one */
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if (from_tty) printf ("Deleted breakpoint%s ", found->next ? "s" : "");
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while (found)
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{
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if (from_tty) printf ("%d ", found->number);
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b1 = found->next;
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delete_breakpoint (found);
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found = b1;
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}
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if (from_tty) putchar ('\n');
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free (sals.sals);
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}
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/* Delete breakpoint number BNUM if it is a `delete' breakpoint.
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