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Fix PR cli/18053

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PR cli/18053 concerns a couple of minor bugs in the JIT debuginfo
support.  First, jit-reader-load should use filename completion and
support tilde expansion.  Second, the help for jit-reader-unload is
incorrect.  While working on this I also realized that
jit-reader-unload should use the no-op completer, so I've included
that as well.

Built and regtested on x86-64 Fedora 23.  A completer test for
jit-reader-load is included, but not a tilde-expansion test, as I
couldn't think of a reliable way to test that.

2016-07-13  Tom Tromey  <tom@tromey.com>

	PR cli/18053:
	* jit.c (jit_reader_load_command): Use tilde_expand.
	(_initialize_jit): Fix help for jit-reader-unload.  Set completer
	for new commands.

2016-07-13  Tom Tromey  <tom@tromey.com>

	PR cli/18053:
	* gdb.base/jit-so.exp (one_jit_test): Add jit-reader-load
	completion test.
This commit is contained in:
Tom Tromey
2015-03-01 20:33:00 -07:00
parent 92281a5b06
commit 6571a38156
4 changed files with 38 additions and 6 deletions
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24
gdb/jit.c
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@@ -39,6 +39,8 @@
#include "gdb-dlfcn.h"
#include <sys/stat.h>
#include "gdb_bfd.h"
#include "readline/tilde.h"
#include "completer.h"
static const char *jit_reader_dir = NULL;
@@ -208,15 +210,19 @@ jit_reader_load_command (char *args, int from_tty)
if (args == NULL)
error (_("No reader name provided."));
args = tilde_expand (args);
prev_cleanup = make_cleanup (xfree, args);
if (loaded_jit_reader != NULL)
error (_("JIT reader already loaded. Run jit-reader-unload first."));
if (IS_ABSOLUTE_PATH (args))
so_name = xstrdup (args);
so_name = args;
else
so_name = xstrprintf ("%s%s%s", jit_reader_dir, SLASH_STRING, args);
prev_cleanup = make_cleanup (xfree, so_name);
{
so_name = xstrprintf ("%s%s%s", jit_reader_dir, SLASH_STRING, args);
make_cleanup (xfree, so_name);
}
loaded_jit_reader = jit_reader_load (so_name);
reinit_frame_cache ();
@@ -1529,15 +1535,21 @@ _initialize_jit (void)
jit_gdbarch_data = gdbarch_data_register_pre_init (jit_gdbarch_data_init);
if (is_dl_available ())
{
add_com ("jit-reader-load", no_class, jit_reader_load_command, _("\
struct cmd_list_element *c;
c = add_com ("jit-reader-load", no_class, jit_reader_load_command, _("\
Load FILE as debug info reader and unwinder for JIT compiled code.\n\
Usage: jit-reader-load FILE\n\
Try to load file FILE as a debug info reader (and unwinder) for\n\
JIT compiled code. The file is loaded from " JIT_READER_DIR ",\n\
relocated relative to the GDB executable if required."));
add_com ("jit-reader-unload", no_class, jit_reader_unload_command, _("\
set_cmd_completer (c, filename_completer);
c = add_com ("jit-reader-unload", no_class,
jit_reader_unload_command, _("\
Unload the currently loaded JIT debug info reader.\n\
Usage: jit-reader-unload FILE\n\n\
Usage: jit-reader-unload\n\n\
Do \"help jit-reader-load\" for info on loading debug info readers."));
set_cmd_completer (c, noop_completer);
}
}