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gdb: introduce debuginfod_client_up type

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Introduce and use a unique pointer specialization for the
debuginfod_client type.  The deleter calls debuginfod_end to free the
client.

gdb/ChangeLog:

	* debuginfod-support.c (debuginfod_client_deleter): New.
	(debuginfod_client_up): New.
	(debuginfod_init): Return debuginfod_client_up.
	(debuginfod_source_query): Adjust.
	(debuginfod_debuginfo_query): Adjust.

Change-Id: Ie56441e123ab80b78e5311c824c162cd804f68c0
This commit is contained in:
Simon Marchi
2020-09-14 22:28:42 -04:00
parent 3246bd8ec5
commit d2b31b6729
2 changed files with 32 additions and 11 deletions
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8
gdb/ChangeLog
View File

@@ -1,3 +1,11 @@
2020-09-14 Simon Marchi <simon.marchi@polymtl.ca>
* debuginfod-support.c (debuginfod_client_deleter): New.
(debuginfod_client_up): New.
(debuginfod_init): Return debuginfod_client_up.
(debuginfod_source_query): Adjust.
(debuginfod_debuginfo_query): Adjust.
2020-09-14 Simon Marchi <simon.marchi@polymtl.ca>
* debuginfod-support.c (debuginfod_source_query): Use

35
gdb/debuginfod-support.c
View File

@@ -54,6 +54,19 @@ struct user_data
bool has_printed;
};
/* Deleter for a debuginfod_client. */
struct debuginfod_client_deleter
{
void operator() (debuginfod_client *c)
{
debuginfod_end (c);
}
};
using debuginfod_client_up
= std::unique_ptr<debuginfod_client, debuginfod_client_deleter>;
static int
progressfn (debuginfod_client *c, long cur, long total)
{
@@ -79,13 +92,13 @@ progressfn (debuginfod_client *c, long cur, long total)
return 0;
}
static debuginfod_client *
static debuginfod_client_up
debuginfod_init ()
{
debuginfod_client *c = debuginfod_begin ();
debuginfod_client_up c (debuginfod_begin ());
if (c != nullptr)
debuginfod_set_progressfn (c, progressfn);
debuginfod_set_progressfn (c.get (), progressfn);
return c;
}
@@ -101,15 +114,15 @@ debuginfod_source_query (const unsigned char *build_id,
if (getenv (DEBUGINFOD_URLS_ENV_VAR) == NULL)
return scoped_fd (-ENOSYS);
debuginfod_client *c = debuginfod_init ();
debuginfod_client_up c = debuginfod_init ();
if (c == nullptr)
return scoped_fd (-ENOMEM);
user_data data ("source file", srcpath);
debuginfod_set_user_data (c, &data);
scoped_fd fd (debuginfod_find_source (c,
debuginfod_set_user_data (c.get (), &data);
scoped_fd fd (debuginfod_find_source (c.get (),
build_id,
build_id_len,
srcpath,
@@ -123,7 +136,6 @@ debuginfod_source_query (const unsigned char *build_id,
else
*destname = make_unique_xstrdup (srcpath);
debuginfod_end (c);
return fd;
}
@@ -138,7 +150,7 @@ debuginfod_debuginfo_query (const unsigned char *build_id,
if (getenv (DEBUGINFOD_URLS_ENV_VAR) == NULL)
return scoped_fd (-ENOSYS);
debuginfod_client *c = debuginfod_init ();
debuginfod_client_up c = debuginfod_init ();
if (c == nullptr)
return scoped_fd (-ENOMEM);
@@ -146,8 +158,9 @@ debuginfod_debuginfo_query (const unsigned char *build_id,
char *dname = nullptr;
user_data data ("separate debug info for", filename);
debuginfod_set_user_data (c, &data);
scoped_fd fd (debuginfod_find_debuginfo (c, build_id, build_id_len, &dname));
debuginfod_set_user_data (c.get (), &data);
scoped_fd fd (debuginfod_find_debuginfo (c.get (), build_id, build_id_len,
&dname));
if (fd.get () < 0 && fd.get () != -ENOENT)
printf_filtered (_("Download failed: %s. Continuing without debug info for %ps.\n"),
@@ -155,7 +168,7 @@ debuginfod_debuginfo_query (const unsigned char *build_id,
styled_string (file_name_style.style (), filename));
destname->reset (dname);
debuginfod_end (c);
return fd;
}
#endif