Toolchain/binutils-gdb
1
0
Fork 0
forked from Imagelibrary/binutils-gdb
Code Pull Requests Activity

* ld.h (ld_config_type): Add new field warn_once.

Browse Source 
* ldmain.c (undefined_symbol): Handle -warn-once.
	* lexsup.c (parse_args): Recognize -warn-once.
	* ld.texinfo (Options): Document -warn-once.
	* ld.1: Likewise.
PR 4456.
This commit is contained in:
Ian Lance Taylor
1994-09-14 22:27:16 +00:00
parent a8d0866480
commit 809ee7e036
5 changed files with 99 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

59
ld/lexsup.c
View File

@@ -34,6 +34,11 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
#include "ldfile.h"
#include "ldver.h"
/* Somewhere above, sys/stat.h got included . . . . */
#if !defined(S_ISDIR) && defined(S_IFDIR)
#define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
#endif
/* Omit args to avoid the possibility of clashing with a system header
that might disagree about consts. */
unsigned long strtoul ();
@@ -72,8 +77,10 @@ parse_args (argc, argv)
#define OPTION_OFORMAT (OPTION_NON_SHARED + 1)
#define OPTION_RELAX (OPTION_OFORMAT + 1)
#define OPTION_RETAIN_SYMBOLS_FILE (OPTION_RELAX + 1)
#define OPTION_SHARED (OPTION_RETAIN_SYMBOLS_FILE + 1)
#define OPTION_SORT_COMMON (OPTION_SHARED + 1)
#define OPTION_RPATH (OPTION_RETAIN_SYMBOLS_FILE + 1)
#define OPTION_SHARED (OPTION_RPATH + 1)
#define OPTION_SONAME (OPTION_SHARED + 1)
#define OPTION_SORT_COMMON (OPTION_SONAME + 1)
#define OPTION_STATS (OPTION_SORT_COMMON + 1)
#define OPTION_TBSS (OPTION_STATS + 1)
#define OPTION_TDATA (OPTION_TBSS + 1)
@@ -82,6 +89,7 @@ parse_args (argc, argv)
#define OPTION_UR (OPTION_TRADITIONAL_FORMAT + 1)
#define OPTION_VERSION (OPTION_UR + 1)
#define OPTION_WARN_COMMON (OPTION_VERSION + 1)
#define OPTION_WARN_ONCE (OPTION_WARN_COMMON + 1)
static struct option longopts[] = {
{"Bdynamic", no_argument, NULL, OPTION_CALL_SHARED},
@@ -89,6 +97,7 @@ parse_args (argc, argv)
{"call_shared", no_argument, NULL, OPTION_CALL_SHARED},
{"dc", no_argument, NULL, 'd'},
{"defsym", required_argument, NULL, OPTION_DEFSYM},
{"dll-verbose", no_argument, NULL, OPTION_VERSION}, /* Linux. */
{"dn", no_argument, NULL, OPTION_NON_SHARED},
{"dp", no_argument, NULL, 'd'},
{"dy", no_argument, NULL, OPTION_CALL_SHARED},
@@ -108,7 +117,9 @@ parse_args (argc, argv)
{"qmagic", no_argument, NULL, OPTION_IGNORE}, /* Linux compatibility. */
{"relax", no_argument, NULL, OPTION_RELAX},
{"retain-symbols-file", required_argument, NULL, OPTION_RETAIN_SYMBOLS_FILE},
{"rpath", required_argument, NULL, OPTION_RPATH},
{"shared", no_argument, NULL, OPTION_SHARED},
{"soname", required_argument, NULL, OPTION_SONAME},
{"sort-common", no_argument, NULL, OPTION_SORT_COMMON},
{"sort_common", no_argument, NULL, OPTION_SORT_COMMON},
{"start-group", no_argument, NULL, '('},
@@ -121,6 +132,7 @@ parse_args (argc, argv)
{"Ur", no_argument, NULL, OPTION_UR},
{"version", no_argument, NULL, OPTION_VERSION},
{"warn-common", no_argument, NULL, OPTION_WARN_COMMON},
{"warn-once", no_argument, NULL, OPTION_WARN_ONCE},
{NULL, no_argument, NULL, 0}
};
@@ -256,9 +268,40 @@ parse_args (argc, argv)
config.dynamic_link = false;
break;
case 'R':
lang_add_input_file (optarg,
lang_input_file_is_symbols_only_enum,
(char *) NULL);
/* The GNU linker traditionally uses -R to mean to include
only the symbols from a file. The Solaris linker uses -R
to set the path used by the runtime linker to find
libraries. This is the GNU linker -rpath argument. We
try to support both simultaneously by checking the file
named. If it is a directory, rather than a regular file,
we assume -rpath was meant. */
{
struct stat s;
if (stat (optarg, &s) >= 0
&& ! S_ISDIR (s.st_mode))
{
lang_add_input_file (optarg,
lang_input_file_is_symbols_only_enum,
(char *) NULL);
break;
}
}
/* Fall through. */
case OPTION_RPATH:
if (command_line.rpath == NULL)
command_line.rpath = buystring (optarg);
else
{
char *buf;
buf = xmalloc (strlen (command_line.rpath)
+ strlen (optarg)
+ 2);
sprintf (buf, "%s:%s", command_line.rpath, optarg);
free (command_line.rpath);
command_line.rpath = buf;
}
break;
case OPTION_RELAX:
command_line.relax = true;
@@ -275,6 +318,9 @@ parse_args (argc, argv)
case OPTION_SHARED:
link_info.shared = true;
break;
case OPTION_SONAME:
command_line.soname = optarg;
break;
case OPTION_SORT_COMMON:
config.sort_common = true;
break;
@@ -327,6 +373,9 @@ parse_args (argc, argv)
case OPTION_WARN_COMMON:
config.warn_common = true;
break;
case OPTION_WARN_ONCE:
config.warn_once = true;
break;
case 'X':
link_info.discard = discard_l;
break;