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create_breapoint / explicit mode: Error out if there's garbage after the breakpoint location.

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If !PARSE_CONDITION_AND_THREAD, then ARG is just the location, nothing
else.  The fact that the describing comment of create_breakpoint
doesn't mention this just looks like an oversight of when extra_string
was added.  "parse_condition_and_thread" has been a misnomer ever
since extra_string was added -- better rename it avoid more confusion.
This makes it "parse_arg", as that'll remain stable even if/when more
explicit parameters are added.

gdb/
2013-04-08  Pedro Alves  <palves@redhat.com>
	    Keith Seitz  <keiths@redhat.com>

	* breakpoint.c (create_breakpoint): Rename
	"parse_condition_and_thread" parameter to "parse_arg".  Update
	describing comment.  If !PARSE_ARG, then error out if ARG is not
	the empty string after extracting the location.
	* breakpoint.h (create_breakpoint): Rename
	"parse_condition_and_thread" parameter to "parse_arg".

gdb/testsuite/
2013-04-08  Pedro Alves  <palves@redhat.com>

	* gdb.mi/mi-break.exp (test_error): Add tests with garbage after
	the location.
This commit is contained in:
Pedro Alves 2013-04-08 14:09:30 +00:00
parent f65ce5fb99
commit f6de8ec262
5 changed files with 42 additions and 12 deletions
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10
gdb/ChangeLog
View File

@ -1,3 +1,13 @@
2013-04-08 Pedro Alves <palves@redhat.com>
Keith Seitz <keiths@redhat.com>
* breakpoint.c (create_breakpoint): Rename
"parse_condition_and_thread" parameter to "parse_arg". Update
describing comment. If !PARSE_ARG, then error out if ARG is not
the empty string after extracting the location.
* breakpoint.h (create_breakpoint): Rename
"parse_condition_and_thread" parameter to "parse_arg".
2013-04-08 Aleksandar Ristovski <aristovski@qnx.com
* solib-svr4.c (lm_addr_check): Add const qualifier to 'so' arg.

25
gdb/breakpoint.c
View File

@ -9510,20 +9510,20 @@ decode_static_tracepoint_spec (char **arg_p)
/* Set a breakpoint. This function is shared between CLI and MI
functions for setting a breakpoint. This function has two major
modes of operations, selected by the PARSE_CONDITION_AND_THREAD
parameter. If non-zero, the function will parse arg, extracting
breakpoint location, address and thread. Otherwise, ARG is just
the location of breakpoint, with condition and thread specified by
the COND_STRING and THREAD parameters. If INTERNAL is non-zero,
the breakpoint number will be allocated from the internal
breakpoint count. Returns true if any breakpoint was created;
false otherwise. */
modes of operations, selected by the PARSE_ARG parameter. If
non-zero, the function will parse ARG, extracting location,
condition, thread and extra string. Otherwise, ARG is just the
breakpoint's location, with condition, thread, and extra string
specified by the COND_STRING, THREAD and EXTRA_STRING parameters.
If INTERNAL is non-zero, the breakpoint number will be allocated
from the internal breakpoint count. Returns true if any breakpoint
was created; false otherwise. */
int
create_breakpoint (struct gdbarch *gdbarch,
char *arg, char *cond_string,
int thread, char *extra_string,
int parse_condition_and_thread,
int parse_arg,
int tempflag, enum bptype type_wanted,
int ignore_count,
enum auto_boolean pending_break_support,
@ -9641,7 +9641,7 @@ create_breakpoint (struct gdbarch *gdbarch,
lsal = VEC_index (linespec_sals, canonical.sals, 0);
if (parse_condition_and_thread)
if (parse_arg)
{
char *rest;
/* Here we only parse 'arg' to separate condition
@ -9660,6 +9660,9 @@ create_breakpoint (struct gdbarch *gdbarch,
}
else
{
if (*arg != '\0')
error (_("Garbage '%s' at end of location"), arg);
/* Create a private copy of condition string. */
if (cond_string)
{
@ -9699,7 +9702,7 @@ create_breakpoint (struct gdbarch *gdbarch,
init_raw_breakpoint_without_location (b, gdbarch, type_wanted, ops);
b->addr_string = copy_arg;
if (parse_condition_and_thread)
if (parse_arg)
b->cond_string = NULL;
else
{

2
gdb/breakpoint.h
View File

@ -1269,7 +1269,7 @@ enum breakpoint_create_flags
extern int create_breakpoint (struct gdbarch *gdbarch, char *arg,
char *cond_string, int thread,
char *extra_string,
int parse_condition_and_thread,
int parse_arg,
int tempflag, enum bptype wanted_type,
int ignore_count,
enum auto_boolean pending_break_support,

5
gdb/testsuite/ChangeLog
View File

@ -1,3 +1,8 @@
2013-04-08 Pedro Alves <palves@redhat.com>
* gdb.mi/mi-break.exp (test_error): Add tests with garbage after
the location.
2013-04-04 Sandra Loosemore <sandra@codesourcery.com>
* gdb.cp/cplabel.exp: Allow empty directory in file reported

12
gdb/testsuite/gdb.mi/mi-break.exp
View File

@ -196,6 +196,18 @@ proc test_error {} {
mi_gdb_test "-var-update *" \
"\\^done,changelist=\\\[\\\]" \
"update varobj for function call"
# Try setting breakpoints with garbage after the location.
# "if" only works in the CLI. It's not supposed to be accepted by
# MI. The way to specify a condition is with -c.
mi_gdb_test "-break-insert \"callme if i < 4\"" \
".*\\^error,msg=\"Garbage 'if i < 4' at end of location\"" \
"breakpoint with garbage after location"
mi_gdb_test "-break-insert -c i==4 \"callme if i < 4\"" \
".*\\^error,msg=\"Garbage 'if i < 4' at end of location\"" \
"conditional breakpoint with garbage after location"
}
proc test_disabled_creation {} {