%b substitute the basename of the input file being processed.
This is the substring up to (and not including) the last period
and not including the directory unless -save-temps was specified
- to put temporaries in a different location.
+ to put temporaries in a different location.
%B same as %b, but include the file suffix (text after the last period).
%gSUFFIX
substitute a file name that has suffix SUFFIX and is chosen
%{!.S:X} substitutes X, if NOT processing a file with suffix S.
%{,S:X} substitutes X, if processing a file which will use spec S.
%{!,S:X} substitutes X, if NOT processing a file which will use spec S.
-
+
%{S|T:X} substitutes X if either -S or -T was given to GCC. This may be
combined with '!', '.', ',', and '*' as above binding stronger
than the OR.
#endif
/* config.h can define SWITCHES_NEED_SPACES to control which options
- require spaces between the option and the argument. */
+ require spaces between the option and the argument.
+
+ We define SWITCHES_NEED_SPACES to include "o" by default. This
+ causes "-ofoo.o" to be split into "-o foo.o" during the initial
+ processing of the command-line, before being seen by the specs
+ machinery. This makes sure we record "foo.o" as the temporary file
+ to be deleted in the case of error, rather than "-ofoo.o". */
#ifndef SWITCHES_NEED_SPACES
-#define SWITCHES_NEED_SPACES ""
+#define SWITCHES_NEED_SPACES "o"
#endif
/* config.h can define ENDFILE_SPEC to override the default crtn files. */
/* We want %{T*} after %{L*} and %D so that it can be used to specify linker
scripts which exist in user specified directories, or in standard
directories. */
+/* We pass any -flto and -fwhopr flags on to the linker, which is expected
+ to understand them. In practice, this means it had better be collect2. */
#ifndef LINK_COMMAND_SPEC
#define LINK_COMMAND_SPEC "\
%{!fsyntax-only:%{!c:%{!M:%{!MM:%{!E:%{!S:\
- %(linker) %l " LINK_PIE_SPEC "%X %{o*} %{A} %{d} %{e*} %{m} %{N} %{n} %{r}\
+ %(linker) \
+ %{fuse-linker-plugin: \
+ -plugin %(linker_plugin_file) \
+ -plugin-opt=%(lto_wrapper) \
+ -plugin-opt=%(lto_gcc) \
+ %{static|static-libgcc:-plugin-opt=-pass-through=%(lto_libgcc)} \
+ %{static:-plugin-opt=-pass-through=-lc} \
+ %{O*:-plugin-opt=-O%*} \
+ %{w:-plugin-opt=-w} \
+ %{f*:-plugin-opt=-f%*} \
+ } \
+ %{flto} %{fwhopr} %l " LINK_PIE_SPEC \
+ "%X %{o*} %{A} %{d} %{e*} %{m} %{N} %{n} %{r}\
%{s} %{t} %{u*} %{x} %{z} %{Z} %{!A:%{!nostdlib:%{!nostartfiles:%S}}}\
%{static:} %{L*} %(mfwrap) %(link_libgcc) %o\
%{fopenmp|ftree-parallelize-loops=*:%:include(libgomp.spec)%(link_gomp)} %(mflib)\
static const char *startfile_spec = STARTFILE_SPEC;
static const char *switches_need_spaces = SWITCHES_NEED_SPACES;
static const char *linker_name_spec = LINKER_NAME;
+static const char *linker_plugin_file_spec = "";
+static const char *lto_wrapper_spec = "";
+static const char *lto_gcc_spec = "";
+static const char *lto_libgcc_spec = "";
static const char *link_command_spec = LINK_COMMAND_SPEC;
static const char *link_libgcc_spec = LINK_LIBGCC_SPEC;
static const char *startfile_prefix_spec = STARTFILE_PREFIX_SPEC;
static const char *invoke_as =
#ifdef AS_NEEDS_DASH_FOR_PIPED_INPUT
-"%{fcompare-debug=*|fdump-final-insns=*:%:compare-debug-dump-opt()}\
- %{!S:-o %|.s |\n as %(asm_options) %|.s %A }";
+"%{!fwpa:\
+ %{fcompare-debug=*|fdump-final-insns=*:%:compare-debug-dump-opt()}\
+ %{!S:-o %|.s |\n as %(asm_options) %|.s %A }\
+ }";
#else
-"%{fcompare-debug=*|fdump-final-insns=*:%:compare-debug-dump-opt()}\
- %{!S:-o %|.s |\n as %(asm_options) %m.s %A }";
+"%{!fwpa:\
+ %{fcompare-debug=*|fdump-final-insns=*:%:compare-debug-dump-opt()}\
+ %{!S:-o %|.s |\n as %(asm_options) %m.s %A }\
+ }";
#endif
/* Some compilers have limits on line lengths, and the multilib_select
static const char *const driver_self_specs[] = {
"%{fdump-final-insns:-fdump-final-insns=.} %<fdump-final-insns",
- DRIVER_SELF_SPECS, GOMP_SELF_SPECS
+ DRIVER_SELF_SPECS, CONFIGURE_SPECS, GOMP_SELF_SPECS
};
#ifndef OPTION_DEFAULT_SPECS
#ifdef HAVE_TARGET_EXECUTABLE_SUFFIX
/* This defines which switches stop a full compilation. */
#define DEFAULT_SWITCH_CURTAILS_COMPILATION(CHAR) \
- ((CHAR) == 'c' || (CHAR) == 'S')
+ ((CHAR) == 'c' || (CHAR) == 'S' || (CHAR) == 'E')
#ifndef SWITCH_CURTAILS_COMPILATION
#define SWITCH_CURTAILS_COMPILATION(CHAR) \
INIT_STATIC_SPEC ("multilib_exclusions", &multilib_exclusions),
INIT_STATIC_SPEC ("multilib_options", &multilib_options),
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),
+ INIT_STATIC_SPEC ("lto_gcc", <o_gcc_spec),
+ INIT_STATIC_SPEC ("lto_libgcc", <o_libgcc_spec),
INIT_STATIC_SPEC ("link_libgcc", &link_libgcc_spec),
INIT_STATIC_SPEC ("md_exec_prefix", &md_exec_prefix),
INIT_STATIC_SPEC ("md_startfile_prefix", &md_startfile_prefix),
static int have_o_argbuf_index = 0;
-/* Were the options -c or -S passed. */
+/* Were the options -c, -S or -E passed. */
static int have_c = 0;
/* Was the option -o passed. */
commands[0].prog = argbuf[0]; /* first command. */
commands[0].argv = &argbuf[0];
-
+
if (!wrapper_string)
{
string = find_a_file (&exec_prefixes, commands[0].prog, X_OK, false);
if (! linker_options)
linker_options = XNEWVEC (char *, n_linker_options);
else
- linker_options = XRESIZEVEC (char *, linker_options, n_linker_options);
+ linker_options = XRESIZEVEC (char *, linker_options, n_linker_options);
linker_options [n_linker_options - 1] = save_string (option, len);
}
case 'S':
case 'c':
+ case 'E':
if (p[1] == 0)
{
have_c = 1;
{
int skip;
- /* Forward scan, just in case -S or -c is specified
+ /* Forward scan, just in case -S, -E or -c is specified
after -o. */
int j = i + 1;
if (p[1] == 0)
argv[i] = convert_filename (argv[i], ! have_c, 0);
#endif
/* Save the output name in case -save-temps=obj was used. */
- save_temps_prefix = xstrdup ((p[1] == 0) ? argv[i + 1] : argv[i] + 1);
+ if ((p[1] == 0) && argv[i + 1])
+ save_temps_prefix = xstrdup(argv[i + 1]);
+ else
+ save_temps_prefix = xstrdup(argv[i] + 1);
goto normal_switch;
default:
/* Set up the search paths. We add directories that we expect to
contain GNU Toolchain components before directories specified by
the machine description so that we will find GNU components (like
- the GNU assembler) before those of the host system. */
+ the GNU assembler) before those of the host system. */
/* If we don't know where the toolchain has been installed, use the
configured-in locations. */
}
else
{
+ const char *p = strchr (argv[i], '@');
+ char *fname;
#ifdef HAVE_TARGET_OBJECT_SUFFIX
argv[i] = convert_filename (argv[i], 0, access (argv[i], F_OK));
#endif
+ if (!p)
+ fname = xstrdup (argv[i]);
+ else
+ {
+ fname = (char *)xmalloc (p - argv[i] + 1);
+ memcpy (fname, argv[i], p - argv[i]);
+ fname[p - argv[i]] = '\0';
+ }
+
+ if (strcmp (fname, "-") != 0 && access (fname, F_OK) < 0)
+ {
+ perror_with_name (fname);
+ error_count++;
+ }
+ else
+ {
+ infiles[n_infiles].language = spec_lang;
+ infiles[n_infiles++].name = argv[i];
+ }
- if (strcmp (argv[i], "-") != 0 && access (argv[i], F_OK) < 0)
- {
- perror_with_name (argv[i]);
- error_count++;
- }
- else
- {
- infiles[n_infiles].language = spec_lang;
- infiles[n_infiles++].name = argv[i];
- }
+ free (fname);
}
}
if ((switches[i].live_cond & SWITCH_IGNORE) != 0)
continue;
- /* Don't use -fwhole-program when compiling the init and fini routines,
- since we'd wrongly assume that the routines aren't needed. */
- if (strcmp (switches[i].part1, "fwhole-program") == 0)
- continue;
-
obstack_grow (&collect_obstack, "'-", 2);
q = switches[i].part1;
while ((p = strchr (q, '\'')))
search dirs for it. */
static int this_is_library_file;
+/* Nonzero means %T has been seen; the next arg to be terminated
+ is the name of a linker script and we should try all of the
+ standard search dirs for it. If it is found insert a --script
+ command line switch and then substitute the full path in place,
+ otherwise generate an error message. */
+static int this_is_linker_script;
+
/* Nonzero means that the input of this command is coming from a pipe. */
static int input_from_pipe;
string = XOBFINISH (&obstack, const char *);
if (this_is_library_file)
string = find_file (string);
+ if (this_is_linker_script)
+ {
+ char * full_script_path = find_a_file (&startfile_prefixes, string, R_OK, true);
+
+ if (full_script_path == NULL)
+ {
+ error (_("unable to locate default linker script '%s' in the library search paths"), string);
+ /* Script was not found on search path. */
+ return;
+ }
+ store_arg ("--script", false, false);
+ string = full_script_path;
+ }
store_arg (string, delete_this_arg, this_is_output_file);
if (this_is_output_file)
outfiles[input_file_number] = string;
delete_this_arg = 0;
this_is_output_file = 0;
this_is_library_file = 0;
+ this_is_linker_script = 0;
input_from_pipe = 0;
suffix_subst = NULL;
delete_this_arg = 0;
this_is_output_file = 0;
this_is_library_file = 0;
+ this_is_linker_script = 0;
input_from_pipe = 0;
break;
delete_this_arg = 0;
this_is_output_file = 0;
this_is_library_file = 0;
+ this_is_linker_script = 0;
break;
case '%':
this_is_library_file = 1;
break;
+ case 'T':
+ this_is_linker_script = 1;
+ break;
+
case 'V':
outfiles[input_file_number] = NULL;
break;
int save_this_is_output_file;
int save_this_is_library_file;
int save_input_from_pipe;
+ int save_this_is_linker_script;
const char *save_suffix_subst;
save_delete_this_arg = delete_this_arg;
save_this_is_output_file = this_is_output_file;
save_this_is_library_file = this_is_library_file;
+ save_this_is_linker_script = this_is_linker_script;
save_input_from_pipe = input_from_pipe;
save_suffix_subst = suffix_subst;
delete_this_arg = save_delete_this_arg;
this_is_output_file = save_this_is_output_file;
this_is_library_file = save_this_is_library_file;
+ this_is_linker_script = save_this_is_linker_script;
input_from_pipe = save_input_from_pipe;
suffix_subst = save_suffix_subst;
if (atom == end_atom)
{
if (!n_way_choice || disj_matched || *p == '|'
- || a_is_negated || a_is_suffix || a_is_spectype
+ || a_is_negated || a_is_suffix || a_is_spectype
|| a_is_starred)
goto invalid;
{
if ((a_is_suffix || a_is_spectype) && a_is_starred)
goto invalid;
-
+
if (!a_is_starred)
disj_starred = false;
a_matched = input_spec_matches (atom, end_atom);
else
a_matched = switch_matches (atom, end_atom, a_is_starred);
-
+
if (a_matched != a_is_negated)
{
disj_matched = true;
multilib_defaults = XOBFINISH (&multilib_obstack, const char *);
}
- /* Set up to remember the pathname of gcc and any options
- needed for collect. We use argv[0] instead of programname because
- we need the complete pathname. */
- obstack_init (&collect_obstack);
- obstack_grow (&collect_obstack, "COLLECT_GCC=", sizeof ("COLLECT_GCC=") - 1);
- obstack_grow (&collect_obstack, argv[0], strlen (argv[0]) + 1);
- xputenv (XOBFINISH (&collect_obstack, char *));
-
#ifdef INIT_ENVIRONMENT
/* Set up any other necessary machine specific environment variables. */
xputenv (INIT_ENVIRONMENT);
else if (*cross_compile == '0')
{
add_prefix (&startfile_prefixes,
- concat (gcc_exec_prefix
- ? gcc_exec_prefix : standard_exec_prefix,
- machine_suffix,
+ concat (gcc_exec_prefix
+ ? gcc_exec_prefix : standard_exec_prefix,
+ machine_suffix,
standard_startfile_prefix, NULL),
NULL, PREFIX_PRIORITY_LAST, 0, 1);
}
the subdirectory based on the options. */
set_multilib_dir ();
+ /* Set up to remember the pathname of gcc and any options
+ needed for collect. We use argv[0] instead of programname because
+ we need the complete pathname. */
+ obstack_init (&collect_obstack);
+ obstack_grow (&collect_obstack, "COLLECT_GCC=", sizeof ("COLLECT_GCC=") - 1);
+ obstack_grow (&collect_obstack, argv[0], strlen (argv[0]) + 1);
+ xputenv (XOBFINISH (&collect_obstack, char *));
+
+ /* Set up to remember the pathname of the lto wrapper. */
+
+ lto_wrapper_spec = find_a_file (&exec_prefixes, "lto-wrapper", X_OK, false);
+ if (lto_wrapper_spec)
+ {
+ obstack_init (&collect_obstack);
+ obstack_grow (&collect_obstack, "COLLECT_LTO_WRAPPER=",
+ sizeof ("COLLECT_LTO_WRAPPER=") - 1);
+ obstack_grow (&collect_obstack, lto_wrapper_spec,
+ strlen (lto_wrapper_spec) + 1);
+ xputenv (XOBFINISH (&collect_obstack, char *));
+ }
+
/* Warn about any switches that no pass was interested in. */
for (i = 0; (int) i < n_switches; i++)
}
if (!combine_inputs && have_c && have_o && lang_n_infiles > 1)
- fatal ("cannot specify -o with -c or -S with multiple files");
+ fatal ("cannot specify -o with -c, -S or -E with multiple files");
if (combine_flag && save_temps_flag)
{
if (num_linker_inputs > 0 && error_count == 0 && print_subprocess_help < 2)
{
int tmp = execution_count;
+ const char *fuse_linker_plugin = "fuse-linker-plugin";
/* We'll use ld if we can't find collect2. */
if (! strcmp (linker_name_spec, "collect2"))
if (s == NULL)
linker_name_spec = "ld";
}
+
+ if (switch_matches (fuse_linker_plugin,
+ fuse_linker_plugin + strlen (fuse_linker_plugin), 0))
+ {
+ linker_plugin_file_spec = find_a_file (&exec_prefixes,
+ "liblto_plugin.so", X_OK,
+ false);
+ if (!linker_plugin_file_spec)
+ fatal ("-fuse-linker-plugin, but liblto_plugin.so not found");
+
+ lto_libgcc_spec = find_a_file (&startfile_prefixes, "libgcc.a",
+ R_OK, true);
+ if (!lto_libgcc_spec)
+ fatal ("could not find libgcc.a");
+ }
+ lto_gcc_spec = argv[0];
+
/* Rebuild the COMPILER_PATH and LIBRARY_PATH environment variables
for collect. */
putenv_from_prefixes (&exec_prefixes, "COMPILER_PATH", false);
ptr[0] = '\\';
ptr[1] = *value++;
}
-
+
strcpy (ptr, argv[1]);
-
+
return result;
}
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