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* Sat Aug 7 2010 Jan Kratochvil <jan.kratochvil@redhat.com> - 7.1.90.20100806-9.fc14 

- Fix python gdb.execute to_string pagination (BZ 620930).
This commit is contained in:
Jan Kratochvil 2010-08-07 17:34:15 +02:00
parent dbdd4476b8
commit a8ba821c57
2 changed files with 386 additions and 3 deletions
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380
gdb-upstream.patch Normal file
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@ -0,0 +1,380 @@
https://bugzilla.redhat.com/show_bug.cgi?id=620930
http://sourceware.org/ml/gdb-cvs/2010-08/msg00031.html
### src/gdb/ChangeLog 2010/08/06 19:45:58 1.12064
### src/gdb/ChangeLog 2010/08/07 15:00:36 1.12065
## -1,3 +1,22 @@
+2010-08-07 Jan Kratochvil <jan.kratochvil@redhat.com>
+
+ * defs.h (make_cleanup_restore_uinteger, make_cleanup_restore_ui_file)
+ (make_cleanup_restore_page_info)
+ (set_batch_flag_and_make_cleanup_restore_page_info): New declarations.
+ * gdbcmd.h (execute_command_to_string): New declaration.
+ * python/python.c (struct restore_ui_file_closure, restore_ui_file)
+ (make_cleanup_restore_ui_file): Move to utils.c
+ (execute_gdb_command) <to_string>: Move ...
+ * top.c (execute_command_to_string): ... here. Call
+ set_batch_flag_and_make_cleanup_restore_page_info.
+ * utils.c (make_cleanup_restore_integer): New source file blank line.
+ (make_cleanup_restore_uinteger): New.
+ (struct restore_ui_file_closure, do_restore_ui_file)
+ (make_cleanup_restore_ui_file): Move here from python/python.c.
+ (init_page_info) <batch_flag>
+ (do_restore_page_info_cleanup, make_cleanup_restore_page_info)
+ (set_batch_flag_and_make_cleanup_restore_page_info): New.
+
2010-08-06 Maciej W. Rozycki <macro@codesourcery.com>
* thread.c (add_thread_silent): Use null_ptid instead of
### src/gdb/testsuite/ChangeLog 2010/08/02 23:41:18 1.2405
### src/gdb/testsuite/ChangeLog 2010/08/07 15:00:38 1.2406
## -1,3 +1,10 @@
+2010-08-07 Jan Kratochvil <jan.kratochvil@redhat.com>
+
+ * gdb.python/python.exp (show height, set height 10)
+ (verify pagination beforehand, verify pagination beforehand: q)
+ (gdb.execute does not page, verify pagination afterwards)
+ (verify pagination afterwards: q): New.
+
2010-08-02 Doug Evans <dje@google.com>
* gdb.cp/namespace.exp: When "print ::cOtherFileClassVar" fails
### src/gdb/doc/ChangeLog 2010/07/31 15:34:41 1.1093
### src/gdb/doc/ChangeLog 2010/08/07 15:00:38 1.1094
## -1,3 +1,9 @@
+2010-08-07 Jan Kratochvil <jan.kratochvil@redhat.com>
+ Eli Zaretskii <eliz@gnu.org>
+
+ * gdb.texinfo (Mode Options) <-batch>
+ (Basic Python) <gdb.execute>: Describe setting width and height.
+
2010-07-31 Paul Pluzhnikov <ppluzhnikov@google.com>
* gdb.texinfo (Threads): Document 'debug libthread-db'.
Index: gdb-7.1.90.20100806/gdb/defs.h
===================================================================
--- gdb-7.1.90.20100806.orig/gdb/defs.h 2010-08-07 17:18:27.000000000 +0200
+++ gdb-7.1.90.20100806/gdb/defs.h 2010-08-07 17:18:31.000000000 +0200
@@ -351,6 +351,10 @@ struct obstack;
extern struct cleanup *make_cleanup_obstack_free (struct obstack *obstack);
extern struct cleanup *make_cleanup_restore_integer (int *variable);
+extern struct cleanup *make_cleanup_restore_uinteger (unsigned int *variable);
+
+extern struct cleanup *
+ make_cleanup_restore_ui_file (struct ui_file **variable);
extern struct cleanup *make_final_cleanup (make_cleanup_ftype *, void *);
@@ -383,6 +387,10 @@ extern int yquery (const char *, ...) AT
extern void init_page_info (void);
+extern struct cleanup *make_cleanup_restore_page_info (void);
+extern struct cleanup *
+ set_batch_flag_and_make_cleanup_restore_page_info (void);
+
extern char *gdb_realpath (const char *);
extern char *xfullpath (const char *);
Index: gdb-7.1.90.20100806/gdb/gdbcmd.h
===================================================================
--- gdb-7.1.90.20100806.orig/gdb/gdbcmd.h 2010-08-07 17:18:27.000000000 +0200
+++ gdb-7.1.90.20100806/gdb/gdbcmd.h 2010-08-07 17:18:40.000000000 +0200
@@ -128,6 +128,8 @@ extern void execute_command (char *, int
enum command_control_type execute_control_command (struct command_line *);
+extern char *execute_command_to_string (char *p, int from_tty);
+
extern void print_command_line (struct command_line *, unsigned int,
struct ui_file *);
extern void print_command_lines (struct ui_out *,
Index: gdb-7.1.90.20100806/gdb/top.c
===================================================================
--- gdb-7.1.90.20100806.orig/gdb/top.c 2010-08-07 17:18:27.000000000 +0200
+++ gdb-7.1.90.20100806/gdb/top.c 2010-08-07 17:18:31.000000000 +0200
@@ -458,6 +458,39 @@ execute_command (char *p, int from_tty)
}
}
+/* Run execute_command for P and FROM_TTY. Capture its output into the
+ returned string, do not display it to the screen. BATCH_FLAG will be
+ temporarily set to true. */
+
+char *
+execute_command_to_string (char *p, int from_tty)
+{
+ struct ui_file *str_file;
+ struct cleanup *cleanup;
+ char *retval;
+
+ /* GDB_STDOUT should be better already restored during these
+ restoration callbacks. */
+ cleanup = set_batch_flag_and_make_cleanup_restore_page_info ();
+
+ str_file = mem_fileopen ();
+
+ make_cleanup_restore_ui_file (&gdb_stdout);
+ make_cleanup_restore_ui_file (&gdb_stderr);
+ make_cleanup_ui_file_delete (str_file);
+
+ gdb_stdout = str_file;
+ gdb_stderr = str_file;
+
+ execute_command (p, from_tty);
+
+ retval = ui_file_xstrdup (str_file, NULL);
+
+ do_cleanups (cleanup);
+
+ return retval;
+}
+
/* Read commands from `instream' and execute them
until end of file or error reading instream. */
Index: gdb-7.1.90.20100806/gdb/utils.c
===================================================================
--- gdb-7.1.90.20100806.orig/gdb/utils.c 2010-08-07 17:18:27.000000000 +0200
+++ gdb-7.1.90.20100806/gdb/utils.c 2010-08-07 17:18:31.000000000 +0200
@@ -339,6 +339,7 @@ restore_integer (void *p)
/* Remember the current value of *VARIABLE and make it restored when the cleanup
is run. */
+
struct cleanup *
make_cleanup_restore_integer (int *variable)
{
@@ -352,6 +353,43 @@ make_cleanup_restore_integer (int *varia
xfree);
}
+/* Remember the current value of *VARIABLE and make it restored when the cleanup
+ is run. */
+
+struct cleanup *
+make_cleanup_restore_uinteger (unsigned int *variable)
+{
+ return make_cleanup_restore_integer ((int *) variable);
+}
+
+struct restore_ui_file_closure
+{
+ struct ui_file **variable;
+ struct ui_file *value;
+};
+
+static void
+do_restore_ui_file (void *p)
+{
+ struct restore_ui_file_closure *closure = p;
+
+ *(closure->variable) = closure->value;
+}
+
+/* Remember the current value of *VARIABLE and make it restored when
+ the cleanup is run. */
+
+struct cleanup *
+make_cleanup_restore_ui_file (struct ui_file **variable)
+{
+ struct restore_ui_file_closure *c = XNEW (struct restore_ui_file_closure);
+
+ c->variable = variable;
+ c->value = *variable;
+
+ return make_cleanup_dtor (do_restore_ui_file, (void *) c, xfree);
+}
+
struct cleanup *
make_my_cleanup2 (struct cleanup **pmy_chain, make_cleanup_ftype *function,
void *arg, void (*free_arg) (void *))
@@ -2034,6 +2072,12 @@ static int wrap_column;
void
init_page_info (void)
{
+ if (batch_flag)
+ {
+ lines_per_page = UINT_MAX;
+ chars_per_line = UINT_MAX;
+ }
+ else
#if defined(TUI)
if (!tui_get_command_dimension (&chars_per_line, &lines_per_page))
#endif
@@ -2078,6 +2122,44 @@ init_page_info (void)
set_width ();
}
+/* Helper for make_cleanup_restore_page_info. */
+
+static void
+do_restore_page_info_cleanup (void *arg)
+{
+ set_screen_size ();
+ set_width ();
+}
+
+/* Provide cleanup for restoring the terminal size. */
+
+struct cleanup *
+make_cleanup_restore_page_info (void)
+{
+ struct cleanup *back_to;
+
+ back_to = make_cleanup (do_restore_page_info_cleanup, NULL);
+ make_cleanup_restore_uinteger (&lines_per_page);
+ make_cleanup_restore_uinteger (&chars_per_line);
+
+ return back_to;
+}
+
+/* Temporarily set BATCH_FLAG and the associated unlimited terminal size.
+ Provide cleanup for restoring the original state. */
+
+struct cleanup *
+set_batch_flag_and_make_cleanup_restore_page_info (void)
+{
+ struct cleanup *back_to = make_cleanup_restore_page_info ();
+
+ make_cleanup_restore_integer (&batch_flag);
+ batch_flag = 1;
+ init_page_info ();
+
+ return back_to;
+}
+
/* Set the screen size based on LINES_PER_PAGE and CHARS_PER_LINE. */
static void
Index: gdb-7.1.90.20100806/gdb/doc/gdb.texinfo
===================================================================
--- gdb-7.1.90.20100806.orig/gdb/doc/gdb.texinfo 2010-08-07 17:18:27.000000000 +0200
+++ gdb-7.1.90.20100806/gdb/doc/gdb.texinfo 2010-08-07 17:18:31.000000000 +0200
@@ -1031,9 +1031,9 @@ Run in batch mode. Exit with status @co
command files specified with @samp{-x} (and all commands from
initialization files, if not inhibited with @samp{-n}). Exit with
nonzero status if an error occurs in executing the @value{GDBN} commands
-in the command files. Batch mode also disables pagination;
-@pxref{Screen Size} and acts as if @kbd{set confirm off} were in
-effect (@pxref{Messages/Warnings}).
+in the command files. Batch mode also disables pagination, sets unlimited
+terminal width and height @pxref{Screen Size}, and acts as if @kbd{set confirm
+off} were in effect (@pxref{Messages/Warnings}).
Batch mode may be useful for running @value{GDBN} as a filter, for
example to download and run a program on another computer; in order to
@@ -20432,7 +20432,9 @@ By default, any output produced by @var{
@value{GDBN}'s standard output. If the @var{to_string} parameter is
@code{True}, then output will be collected by @code{gdb.execute} and
returned as a string. The default is @code{False}, in which case the
-return value is @code{None}.
+return value is @code{None}. If @var{to_string} is @code{True}, the
+@value{GDBN} virtual terminal will be temporarily set to unlimited width
+and height, and its pagination will be disabled; @pxref{Screen Size}.
@end defun
@findex gdb.breakpoints
Index: gdb-7.1.90.20100806/gdb/python/python.c
===================================================================
--- gdb-7.1.90.20100806.orig/gdb/python/python.c 2010-08-07 17:18:27.000000000 +0200
+++ gdb-7.1.90.20100806/gdb/python/python.c 2010-08-07 17:18:31.000000000 +0200
@@ -309,33 +309,6 @@ gdbpy_target_wide_charset (PyObject *sel
return PyUnicode_Decode (cset, strlen (cset), host_charset (), NULL);
}
-struct restore_ui_file_closure
-{
- struct ui_file **variable;
- struct ui_file *value;
-};
-
-static void
-restore_ui_file (void *p)
-{
- struct restore_ui_file_closure *closure = p;
-
- *(closure->variable) = closure->value;
-}
-
-/* Remember the current value of *VARIABLE and make it restored when
- the cleanup is run. */
-struct cleanup *
-make_cleanup_restore_ui_file (struct ui_file **variable)
-{
- struct restore_ui_file_closure *c = XNEW (struct restore_ui_file_closure);
-
- c->variable = variable;
- c->value = *variable;
-
- return make_cleanup_dtor (restore_ui_file, (void *) c, xfree);
-}
-
/* A Python function which evaluates a string using the gdb CLI. */
static PyObject *
@@ -376,27 +349,15 @@ execute_gdb_command (PyObject *self, PyO
/* Copy the argument text in case the command modifies it. */
char *copy = xstrdup (arg);
struct cleanup *cleanup = make_cleanup (xfree, copy);
- struct ui_file *str_file = NULL;
if (to_string)
+ result = execute_command_to_string (copy, from_tty);
+ else
{
- str_file = mem_fileopen ();
-
- make_cleanup_restore_ui_file (&gdb_stdout);
- make_cleanup_restore_ui_file (&gdb_stderr);
- make_cleanup_ui_file_delete (str_file);
-
- gdb_stdout = str_file;
- gdb_stderr = str_file;
+ result = NULL;
+ execute_command (copy, from_tty);
}
- execute_command (copy, from_tty);
-
- if (str_file)
- result = ui_file_xstrdup (str_file, NULL);
- else
- result = NULL;
-
do_cleanups (cleanup);
}
GDB_PY_HANDLE_EXCEPTION (except);
Index: gdb-7.1.90.20100806/gdb/testsuite/gdb.python/python.exp
===================================================================
--- gdb-7.1.90.20100806.orig/gdb/testsuite/gdb.python/python.exp 2010-08-07 17:18:27.000000000 +0200
+++ gdb-7.1.90.20100806/gdb/testsuite/gdb.python/python.exp 2010-08-07 17:18:31.000000000 +0200
@@ -87,3 +87,26 @@ gdb_test "python import itertools; print
gdb_test_no_output \
"python x = gdb.execute('printf \"%d\", 23', to_string = True)"
gdb_test "python print x" "23"
+
+# Test (no) pagination of the executed command.
+gdb_test "show height" {Number of lines gdb thinks are in a page is unlimited\.}
+set lines 10
+gdb_test_no_output "set height $lines"
+
+set test "verify pagination beforehand"
+gdb_test_multiple "python print \"\\n\" * $lines" $test {
+ -re "---Type <return> to continue, or q <return> to quit---$" {
+ pass $test
+ }
+}
+gdb_test "q" "Quit" "verify pagination beforehand: q"
+
+gdb_test "python if gdb.execute('python print \"\\\\n\" * $lines', to_string=True) == \"\\n\" * [expr $lines + 1]: print \"yes\"" "yes" "gdb.execute does not page"
+
+set test "verify pagination afterwards"
+gdb_test_multiple "python print \"\\n\" * $lines" $test {
+ -re "---Type <return> to continue, or q <return> to quit---$" {
+ pass $test
+ }
+}
+gdb_test "q" "Quit" "verify pagination afterwards: q"

9
gdb.spec
View File

@ -36,7 +36,7 @@ Version: 7.1.90.20100806
# The release always contains a leading reserved number, start it at 1.
# `upstream' is not a part of `name' to stay fully rpm dependencies compatible for the testing.
Release: 8%{?_with_upstream:.upstream}%{dist}
Release: 9%{?_with_upstream:.upstream}%{dist}
License: GPLv3+ and GPLv3+ with exceptions and GPLv2+ and GPLv2+ with exceptions and GPL+ and LGPLv2+ and GFDL and BSD and Public Domain
Group: Development/Debuggers
@ -226,7 +226,7 @@ Patch229: gdb-6.3-bz140532-ppc-unwinding-test.patch
Patch231: gdb-6.3-bz202689-exec-from-pthread-test.patch
# Backported fixups post the source tarball.
#Patch232: gdb-upstream.patch
Patch232: gdb-upstream.patch
# Testcase for PPC Power6/DFP instructions disassembly (BZ 230000).
Patch234: gdb-6.6-bz230000-power6-disassembly-test.patch
@ -562,7 +562,7 @@ rm -f gdb/jv-exp.c gdb/m2-exp.c gdb/objc-exp.c gdb/p-exp.c
%if 0%{!?_with_upstream:1}
#patch232 -p1
%patch232 -p1
%patch349 -p1
%patch420 -p1
%patch1 -p1
@ -1007,6 +1007,9 @@ fi
%endif
%changelog
* Sat Aug 7 2010 Jan Kratochvil <jan.kratochvil@redhat.com> - 7.1.90.20100806-9.fc14
- Fix python gdb.execute to_string pagination (BZ 620930).
* Fri Aug 6 2010 Jan Kratochvil <jan.kratochvil@redhat.com> - 7.1.90.20100806-8.fc14
- Out of memory is just an error, not fatal (uninitialized VLS vars, BZ 568248).