/* Compiler driver program that can handle many languages.
- Copyright (C) 1987, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
- 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009,
- 2010, 2011, 2012
- Free Software Foundation, Inc.
+ Copyright (C) 1987-2013 Free Software Foundation, Inc.
This file is part of GCC.
static const char *compare_debug_auxbase_opt_spec_function (int, const char **);
static const char *pass_through_libs_spec_func (int, const char **);
static const char *replace_extension_spec_func (int, const char **);
+static char *convert_white_space (char *);
\f
/* The Specs Language
#else
#define ADD_STATIC_LIBASAN_LIBS
#endif
-#ifdef HAVE_LD_STATIC_DYNAMIC
+#ifdef LIBASAN_EARLY_SPEC
+#define LIBASAN_SPEC ADD_STATIC_LIBASAN_LIBS
+#elif defined(HAVE_LD_STATIC_DYNAMIC)
#define LIBASAN_SPEC "%{static-libasan:" LD_STATIC_OPTION \
"} -lasan %{static-libasan:" LD_DYNAMIC_OPTION "}" \
ADD_STATIC_LIBASAN_LIBS
#endif
#endif
+#ifndef LIBASAN_EARLY_SPEC
+#define LIBASAN_EARLY_SPEC ""
+#endif
+
+#ifndef LIBTSAN_SPEC
+#ifdef STATIC_LIBTSAN_LIBS
+#define ADD_STATIC_LIBTSAN_LIBS \
+ " %{static-libtsan:" STATIC_LIBTSAN_LIBS "}"
+#else
+#define ADD_STATIC_LIBTSAN_LIBS
+#endif
+#ifdef LIBTSAN_EARLY_SPEC
+#define LIBTSAN_SPEC ADD_STATIC_LIBTSAN_LIBS
+#elif defined(HAVE_LD_STATIC_DYNAMIC)
+#define LIBTSAN_SPEC "%{static-libtsan:" LD_STATIC_OPTION \
+ "} -ltsan %{static-libtsan:" LD_DYNAMIC_OPTION "}" \
+ ADD_STATIC_LIBTSAN_LIBS
+#else
+#define LIBTSAN_SPEC "-ltsan" ADD_STATIC_LIBTSAN_LIBS
+#endif
+#endif
+
+#ifndef LIBTSAN_EARLY_SPEC
+#define LIBTSAN_EARLY_SPEC ""
+#endif
+
/* config.h can define LIBGCC_SPEC to override how and when libgcc.a is
included. */
#ifndef LIBGCC_SPEC
&& defined(HAVE_AS_GDWARF2_DEBUG_FLAG) && defined(HAVE_AS_GSTABS_DEBUG_FLAG)
# define ASM_DEBUG_SPEC \
(PREFERRED_DEBUGGING_TYPE == DBX_DEBUG \
- ? "%{!g0:%{gdwarf-2*:--gdwarf2}%{!gdwarf-2*:%{g*:--gstabs}}}" ASM_MAP \
+ ? "%{!g0:%{gdwarf*:--gdwarf2}%{!gdwarf*:%{g*:--gstabs}}}" ASM_MAP \
: "%{!g0:%{gstabs*:--gstabs}%{!gstabs*:%{g*:--gdwarf2}}}" ASM_MAP)
# else
# if defined(DBX_DEBUGGING_INFO) && defined(HAVE_AS_GSTABS_DEBUG_FLAG)
%e-fuse-linker-plugin is not supported in this configuration}"
#endif
+/* Linker command line options for -fsanitize= early on the command line. */
+#ifndef SANITIZER_EARLY_SPEC
+#define SANITIZER_EARLY_SPEC "\
+%{!nostdlib:%{!nodefaultlibs:%{fsanitize=address:" LIBASAN_EARLY_SPEC "} \
+ %{fsanitize=thread:" LIBTSAN_EARLY_SPEC "}}}"
+#endif
+
+/* Linker command line options for -fsanitize= late on the command line. */
+#ifndef SANITIZER_SPEC
+#define SANITIZER_SPEC "\
+%{!nostdlib:%{!nodefaultlibs:%{fsanitize=address:" LIBASAN_SPEC "\
+ %{static:%ecannot specify -static with -fsanitize=address}}\
+ %{fsanitize=thread:" LIBTSAN_SPEC "\
+ %{!pie:%{!shared:%e-fsanitize=thread linking must be done with -pie or -shared}}}}}"
+#endif
/* -u* was put back because both BSD and SysV seem to support it. */
/* %{static:} simply prevents an error message if the target machine
%{!fsyntax-only:%{!c:%{!M:%{!MM:%{!E:%{!S:\
%(linker) " \
LINK_PLUGIN_SPEC \
- "%{flto|flto=*:%<fcompare-debug*} \
+ "%{flto|flto=*:%<fcompare-debug*} \
%{flto} %{flto=*} %l " LINK_PIE_SPEC \
- "%X %{o*} %{e*} %{N} %{n} %{r}\
+ "%{fuse-ld=*:-fuse-ld=%*}\
+ %X %{o*} %{e*} %{N} %{n} %{r}\
%{s} %{t} %{u*} %{z} %{Z} %{!nostdlib:%{!nostartfiles:%S}}\
- %{static:} %{L*} %(mfwrap) %(link_libgcc) %o\
+ %{static:} %{L*} %(mfwrap) %(link_libgcc) " SANITIZER_EARLY_SPEC " %o\
%{fopenmp|ftree-parallelize-loops=*:%:include(libgomp.spec)%(link_gomp)}\
%{fgnu-tm:%:include(libitm.spec)%(link_itm)}\
%(mflib) " STACK_SPLIT_SPEC "\
- %{fprofile-arcs|fprofile-generate*|coverage:-lgcov}\
- %{fsanitize=address:" LIBASAN_SPEC "}\
+ %{fprofile-arcs|fprofile-generate*|coverage:-lgcov} " SANITIZER_SPEC " \
%{!nostdlib:%{!nodefaultlibs:%(link_ssp) %(link_gcc_c_sequence)}}\
%{!nostdlib:%{!nostartfiles:%E}} %{T*} }}}}}}"
#endif
static const char *multilib_matches;
static const char *multilib_defaults;
static const char *multilib_exclusions;
+static const char *multilib_reuse;
/* Check whether a particular argument is a default argument. */
INIT_STATIC_SPEC ("multilib_matches", &multilib_matches),
INIT_STATIC_SPEC ("multilib_exclusions", &multilib_exclusions),
INIT_STATIC_SPEC ("multilib_options", &multilib_options),
+ INIT_STATIC_SPEC ("multilib_reuse", &multilib_reuse),
INIT_STATIC_SPEC ("linker", &linker_name_spec),
INIT_STATIC_SPEC ("linker_plugin_file", &linker_plugin_file_spec),
INIT_STATIC_SPEC ("lto_wrapper", <o_wrapper_spec),
"%{!static:%{!static-libgcc:"
#if USE_LD_AS_NEEDED
"%{!shared-libgcc:",
- static_name, " --as-needed ", shared_name, " --no-as-needed"
+ static_name, " " LD_AS_NEEDED_OPTION " ",
+ shared_name, " " LD_NO_AS_NEEDED_OPTION
"}"
"%{shared-libgcc:",
shared_name, "%{!shared: ", static_name, "}"
obstack_1grow (&multilib_obstack, 0);
multilib_exclusions = XOBFINISH (&multilib_obstack, const char *);
+ q = multilib_reuse_raw;
+ while ((p = *q++) != (char *) 0)
+ obstack_grow (&multilib_obstack, p, strlen (p));
+
+ obstack_1grow (&multilib_obstack, 0);
+ multilib_reuse = XOBFINISH (&multilib_obstack, const char *);
+
need_space = FALSE;
for (i = 0; i < ARRAY_SIZE (multilib_defaults_raw); i++)
{
X_OK, false);
if (lto_wrapper_file)
{
+ lto_wrapper_file = convert_white_space (lto_wrapper_file);
lto_wrapper_spec = lto_wrapper_file;
obstack_init (&collect_obstack);
obstack_grow (&collect_obstack, "COLLECT_LTO_WRAPPER=",
{
printf (_("%s %s%s\n"), progname, pkgversion_string,
version_string);
- printf ("Copyright %s 2012 Free Software Foundation, Inc.\n",
+ printf ("Copyright %s 2013 Free Software Foundation, Inc.\n",
_("(C)"));
fputs (_("This is free software; see the source for copying conditions. There is NO\n\
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\n"),
+ strlen (fuse_linker_plugin), 0))
#endif
{
- linker_plugin_file_spec = find_a_file (&exec_prefixes,
- LTOPLUGINSONAME, R_OK,
- false);
- if (!linker_plugin_file_spec)
+ char *temp_spec = find_a_file (&exec_prefixes,
+ LTOPLUGINSONAME, R_OK,
+ false);
+ if (!temp_spec)
fatal_error ("-fuse-linker-plugin, but %s not found",
LTOPLUGINSONAME);
+ linker_plugin_file_spec = convert_white_space (temp_spec);
}
#endif
lto_gcc_spec = argv[0];
first = 1;
p = multilib_select;
+
+ /* Append multilib reuse rules if any. With those rules, we can reuse
+ one multilib for certain different options sets. */
+ if (strlen (multilib_reuse) > 0)
+ p = concat (p, multilib_reuse, NULL);
+
while (*p != '\0')
{
/* Ignore newlines. */
if (*p == '\0')
{
invalid_select:
- fatal_error ("multilib select %qs is invalid",
- multilib_select);
+ fatal_error ("multilib select %qs %qs is invalid",
+ multilib_select, multilib_reuse);
}
++p;
}
free (name);
return result;
}
+
+/* Insert backslash before spaces in ORIG (usually a file path), to
+ avoid being broken by spec parser.
+
+ This function is needed as do_spec_1 treats white space (' ' and '\t')
+ as the end of an argument. But in case of -plugin /usr/gcc install/xxx.so,
+ the file name should be treated as a single argument rather than being
+ broken into multiple. Solution is to insert '\\' before the space in a
+ file name.
+
+ This function converts and only converts all occurrence of ' '
+ to '\\' + ' ' and '\t' to '\\' + '\t'. For example:
+ "a b" -> "a\\ b"
+ "a b" -> "a\\ \\ b"
+ "a\tb" -> "a\\\tb"
+ "a\\ b" -> "a\\\\ b"
+
+ orig: input null-terminating string that was allocated by xalloc. The
+ memory it points to might be freed in this function. Behavior undefined
+ if ORIG wasn't xalloced or was freed already at entry.
+
+ Return: ORIG if no conversion needed. Otherwise a newly allocated string
+ that was converted from ORIG. */
+
+static char *
+convert_white_space (char *orig)
+{
+ int len, number_of_space = 0;
+
+ for (len = 0; orig[len]; len++)
+ if (orig[len] == ' ' || orig[len] == '\t') number_of_space++;
+
+ if (number_of_space)
+ {
+ char *new_spec = (char *) xmalloc (len + number_of_space + 1);
+ int j, k;
+ for (j = 0, k = 0; j <= len; j++, k++)
+ {
+ if (orig[j] == ' ' || orig[j] == '\t')
+ new_spec[k++] = '\\';
+ new_spec[k] = orig[j];
+ }
+ free (orig);
+ return new_spec;
+ }
+ else
+ return orig;
+}
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