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authorgdb-2.8.1 <gdb@fsf.org>1988-12-16 00:00:00 +0000
committerPedro Alves <palves@redhat.com>2012-06-03 15:36:31 +0100
commitbb7592f01006b09c846831a9fb9c306307ba34f6 (patch)
tree83e99233f937d7a06eee7c627543288feb125929 /gdb/breakpoint.c
parent3bf57d210832b28e9361990830eb722a619f031b (diff)
downloadgdb-bb7592f01006b09c846831a9fb9c306307ba34f6.zip
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gdb-2.8.1
Diffstat (limited to 'gdb/breakpoint.c')
-rw-r--r--gdb/breakpoint.c181
1 files changed, 112 insertions, 69 deletions
diff --git a/gdb/breakpoint.c b/gdb/breakpoint.c
index 635cc49..c5acf96 100644
--- a/gdb/breakpoint.c
+++ b/gdb/breakpoint.c
@@ -622,63 +622,96 @@ set_breakpoint (s, line, tempflag)
}
/* Set a breakpoint according to ARG (function, linenum or *address)
- and make it temporary if TEMPFLAG is nonzero. */
+ and make it temporary if TEMPFLAG is nonzero.
+
+ LINE_NUM is for C++. */
static void
-break_command_1 (arg, tempflag, from_tty)
+break_command_1 (arg, tempflag, from_tty, line_num)
char *arg;
- int tempflag, from_tty;
+ int tempflag, from_tty, line_num;
{
+ struct symtabs_and_lines sals;
struct symtab_and_line sal;
register struct expression *cond = 0;
register struct breakpoint *b;
+ char *save_arg;
+ int i;
+
+ sals.sals = NULL;
+ sals.nelts = 0;
- sal.pc = 0;
+ sal.line = sal.pc = sal.end = 0;
+ sal.symtab = 0;
if (arg)
{
- sal = decode_line_1 (&arg, 1, 0, 0);
+ CORE_ADDR pc;
+ sals = decode_line_1 (&arg, 1, 0, 0);
- if (sal.pc == 0 && sal.symtab != 0)
+ if (! sals.nelts) return;
+ save_arg = arg;
+ for (i = 0; i < sals.nelts; i++)
{
- sal.pc = find_line_pc (sal.symtab, sal.line);
- if (sal.pc == 0)
- error ("No line %d in file \"%s\".",
- sal.line, sal.symtab->filename);
- }
+ sal = sals.sals[i];
+ if (sal.pc == 0 && sal.symtab != 0)
+ {
+ pc = find_line_pc (sal.symtab, sal.line);
+ if (pc == 0)
+ error ("No line %d in file \"%s\".",
+ sal.line, sal.symtab->filename);
+ }
+ else pc = sal.pc;
- while (*arg)
- {
- if (arg[0] == 'i' && arg[1] == 'f'
- && (arg[2] == ' ' || arg[2] == '\t'))
- cond = (struct expression *) parse_c_1 ((arg += 2, &arg),
- block_for_pc (sal.pc), 0);
- else
- error ("Junk at end of arguments.");
+ while (*arg)
+ {
+ if (arg[0] == 'i' && arg[1] == 'f'
+ && (arg[2] == ' ' || arg[2] == '\t'))
+ cond = (struct expression *) parse_c_1 ((arg += 2, &arg),
+ block_for_pc (pc), 0);
+ else
+ error ("Junk at end of arguments.");
+ }
+ arg = save_arg;
+ sals.sals[i].pc = pc;
}
}
else if (default_breakpoint_valid)
{
+ sals.sals = (struct symtab_and_line *) malloc (sizeof (struct symtab_and_line));
sal.pc = default_breakpoint_address;
sal.line = default_breakpoint_line;
sal.symtab = default_breakpoint_symtab;
+ sals.sals[0] = sal;
+ sals.nelts = 1;
}
else
error ("No default breakpoint address now.");
- if (from_tty)
- describe_other_breakpoints (sal.pc);
+ for (i = 0; i < sals.nelts; i++)
+ {
+ sal = sals.sals[i];
+ sal.line += line_num; /** C++ **/
+ if (line_num != 0)
+ { /* get the pc for a particular line */
+ sal.pc = find_line_pc (sal.symtab, sal.line);
+ }
+
+ if (from_tty)
+ describe_other_breakpoints (sal.pc);
- b = set_raw_breakpoint (sal);
- b->number = ++breakpoint_count;
- b->cond = cond;
- if (tempflag)
- b->enable = temporary;
-
- printf ("Breakpoint %d at 0x%x", b->number, b->address);
- if (b->symtab)
- printf (": file %s, line %d.", b->symtab->filename, b->line_number);
- printf ("\n");
+ b = set_raw_breakpoint (sal);
+ b->number = ++breakpoint_count;
+ b->cond = cond;
+ if (tempflag)
+ b->enable = temporary;
+
+ printf ("Breakpoint %d at 0x%x", b->number, b->address);
+ if (b->symtab)
+ printf (": file %s, line %d.", b->symtab->filename, b->line_number);
+ printf ("\n");
+ }
+ free (sals.sals);
}
static void
@@ -686,7 +719,7 @@ break_command (arg, from_tty)
char *arg;
int from_tty;
{
- break_command_1 (arg, 0, from_tty);
+ break_command_1 (arg, 0, from_tty, 0);
}
static void
@@ -694,7 +727,7 @@ tbreak_command (arg, from_tty)
char *arg;
int from_tty;
{
- break_command_1 (arg, 1, from_tty);
+ break_command_1 (arg, 1, from_tty, 0);
}
static void
@@ -703,60 +736,70 @@ clear_command (arg, from_tty)
int from_tty;
{
register struct breakpoint *b, *b1;
+ struct symtabs_and_lines sals;
struct symtab_and_line sal;
register struct breakpoint *found;
+ int i;
if (arg)
- sal = decode_line_spec (arg, 1);
+ sals = decode_line_spec (arg, 1);
else
{
+ sals.sals = (struct symtab_and_line *) malloc (sizeof (struct symtab_and_line));
sal.line = default_breakpoint_line;
sal.symtab = default_breakpoint_symtab;
sal.pc = 0;
if (sal.symtab == 0)
error ("No source file specified.");
- }
- /* If exact pc given, clear bpts at that pc.
- But if sal.pc is zero, clear all bpts on specified line. */
+ sals.sals[0] = sal;
+ sals.nelts = 1;
+ }
- found = (struct breakpoint *) 0;
- while (breakpoint_chain
- && (sal.pc ? breakpoint_chain->address == sal.pc
- : (breakpoint_chain->symtab == sal.symtab
- && breakpoint_chain->line_number == sal.line)))
+ for (i = 0; i < sals.nelts; i++)
{
- b1 = breakpoint_chain;
- breakpoint_chain = b1->next;
- b1->next = found;
- found = b1;
- }
+ /* If exact pc given, clear bpts at that pc.
+ But if sal.pc is zero, clear all bpts on specified line. */
+ sal = sals.sals[i];
+ found = (struct breakpoint *) 0;
+ while (breakpoint_chain
+ && (sal.pc ? breakpoint_chain->address == sal.pc
+ : (breakpoint_chain->symtab == sal.symtab
+ && breakpoint_chain->line_number == sal.line)))
+ {
+ b1 = breakpoint_chain;
+ breakpoint_chain = b1->next;
+ b1->next = found;
+ found = b1;
+ }
- ALL_BREAKPOINTS (b)
- while (b->next
- && (sal.pc ? b->next->address == sal.pc
- : (b->next->symtab == sal.symtab
- && b->next->line_number == sal.line)))
- {
- b1 = b->next;
- b->next = b1->next;
- b1->next = found;
- found = b1;
- }
+ ALL_BREAKPOINTS (b)
+ while (b->next
+ && (sal.pc ? b->next->address == sal.pc
+ : (b->next->symtab == sal.symtab
+ && b->next->line_number == sal.line)))
+ {
+ b1 = b->next;
+ b->next = b1->next;
+ b1->next = found;
+ found = b1;
+ }
- if (found == 0)
- error ("No breakpoint at %s.", arg);
+ if (found == 0)
+ error ("No breakpoint at %s.", arg);
- if (found->next) from_tty = 1; /* Alwats report if deleted more than one */
- if (from_tty) printf ("Deleted breakpoint%s ", found->next ? "s" : "");
- while (found)
- {
- if (from_tty) printf ("%d ", found->number);
- b1 = found->next;
- delete_breakpoint (found);
- found = b1;
+ if (found->next) from_tty = 1; /* Always report if deleted more than one */
+ if (from_tty) printf ("Deleted breakpoint%s ", found->next ? "s" : "");
+ while (found)
+ {
+ if (from_tty) printf ("%d ", found->number);
+ b1 = found->next;
+ delete_breakpoint (found);
+ found = b1;
+ }
+ if (from_tty) putchar ('\n');
}
- if (from_tty) putchar ('\n');
+ free (sals.sals);
}
/* Delete breakpoint number BNUM if it is a `delete' breakpoint.