/* Compiler driver program that can handle many languages.
- Copyright (C) 1987-2014 Free Software Foundation, Inc.
+ Copyright (C) 1987-2015 Free Software Foundation, Inc.
This file is part of GCC.
/* The target machine. */
static const char *spec_machine = DEFAULT_TARGET_MACHINE;
+static const char *spec_host_machine = DEFAULT_REAL_TARGET_MACHINE;
+
+/* List of offload targets. */
+
+static char *offload_targets = NULL;
/* Nonzero if cross-compiling.
When -b is used, the value comes from the `specs' file. */
static const char *convert_filename (const char *, int, int);
#endif
+static void try_generate_repro (const char **argv);
static const char *getenv_spec_function (int, const char **);
static const char *if_exists_spec_function (int, const char **);
static const char *if_exists_else_spec_function (int, const char **);
#ifndef LIBLSAN_SPEC
#define STATIC_LIBLSAN_LIBS \
" %{static-liblsan:%:include(libsanitizer.spec)%(link_liblsan)}"
-#ifdef HAVE_LD_STATIC_DYNAMIC
-#define LIBLSAN_SPEC "%{!shared:%{static-liblsan:" LD_STATIC_OPTION \
+#ifdef LIBLSAN_EARLY_SPEC
+#define LIBLSAN_SPEC STATIC_LIBLSAN_LIBS
+#elif defined(HAVE_LD_STATIC_DYNAMIC)
+#define LIBLSAN_SPEC "%{static-liblsan:" LD_STATIC_OPTION \
"} -llsan %{static-liblsan:" LD_DYNAMIC_OPTION "}" \
- STATIC_LIBLSAN_LIBS "}"
+ STATIC_LIBLSAN_LIBS
#else
-#define LIBLSAN_SPEC "%{!shared:-llsan" STATIC_LIBLSAN_LIBS "}"
+#define LIBLSAN_SPEC "-llsan" STATIC_LIBLSAN_LIBS
+#endif
#endif
+
+#ifndef LIBLSAN_EARLY_SPEC
+#define LIBLSAN_EARLY_SPEC ""
#endif
#ifndef LIBUBSAN_SPEC
#endif
#endif
+/* Linker options for compressed debug sections. */
+#if HAVE_LD_COMPRESS_DEBUG == 0
+/* No linker support. */
+#define LINK_COMPRESS_DEBUG_SPEC \
+ " %{gz*:%e-gz is not supported in this configuration} "
+#elif HAVE_LD_COMPRESS_DEBUG == 1
+/* GNU style on input, GNU ld options. Reject, not useful. */
+#define LINK_COMPRESS_DEBUG_SPEC \
+ " %{gz*:%e-gz is not supported in this configuration} "
+#elif HAVE_LD_COMPRESS_DEBUG == 2
+/* GNU style, GNU gold options. */
+#define LINK_COMPRESS_DEBUG_SPEC \
+ " %{gz|gz=zlib-gnu:" LD_COMPRESS_DEBUG_OPTION "=zlib}" \
+ " %{gz=none:" LD_COMPRESS_DEBUG_OPTION "=none}" \
+ " %{gz=zlib:%e-gz=zlib is not supported in this configuration} "
+#elif HAVE_LD_COMPRESS_DEBUG == 3
+/* ELF gABI style. */
+#define LINK_COMPRESS_DEBUG_SPEC \
+ " %{gz|gz=zlib:" LD_COMPRESS_DEBUG_OPTION "=zlib}" \
+ " %{gz=none:" LD_COMPRESS_DEBUG_OPTION "=none}" \
+ " %{gz=zlib-gnu:" LD_COMPRESS_DEBUG_OPTION "=zlib-gnu} "
+#else
+#error Unknown value for HAVE_LD_COMPRESS_DEBUG.
+#endif
+
/* config.h can define LIBGCC_SPEC to override how and when libgcc.a is
included. */
#ifndef LIBGCC_SPEC
#define ASM_MAP ""
#endif
+/* Assembler options for compressed debug sections. */
+#if HAVE_LD_COMPRESS_DEBUG < 2
+/* Reject if the linker cannot write compressed debug sections. */
+#define ASM_COMPRESS_DEBUG_SPEC \
+ " %{gz*:%e-gz is not supported in this configuration} "
+#else /* HAVE_LD_COMPRESS_DEBUG >= 2 */
+#if HAVE_AS_COMPRESS_DEBUG == 0
+/* No assembler support. Ignore silently. */
+#define ASM_COMPRESS_DEBUG_SPEC \
+ " %{gz*:} "
+#elif HAVE_AS_COMPRESS_DEBUG == 1
+/* GNU style, GNU as options. */
+#define ASM_COMPRESS_DEBUG_SPEC \
+ " %{gz|gz=zlib-gnu:" AS_COMPRESS_DEBUG_OPTION "}" \
+ " %{gz=none:" AS_NO_COMPRESS_DEBUG_OPTION "}" \
+ " %{gz=zlib:%e-gz=zlib is not supported in this configuration} "
+#elif HAVE_AS_COMPRESS_DEBUG == 2
+/* ELF gABI style. */
+#define ASM_COMPRESS_DEBUG_SPEC \
+ " %{gz|gz=zlib:" AS_COMPRESS_DEBUG_OPTION "=zlib}" \
+ " %{gz=none:" AS_COMPRESS_DEBUG_OPTION "=none}" \
+ " %{gz=zlib-gnu:" AS_COMPRESS_DEBUG_OPTION "=zlib-gnu} "
+#else
+#error Unknown value for HAVE_AS_COMPRESS_DEBUG.
+#endif
+#endif /* HAVE_LD_COMPRESS_DEBUG >= 2 */
+
/* Define ASM_DEBUG_SPEC to be a spec suitable for translating '-g'
to the assembler. */
#ifndef ASM_DEBUG_SPEC
#ifndef LINK_SSP_SPEC
#ifdef TARGET_LIBC_PROVIDES_SSP
-#define LINK_SSP_SPEC "%{fstack-protector:}"
+#define LINK_SSP_SPEC "%{fstack-protector|fstack-protector-all" \
+ "|fstack-protector-strong|fstack-protector-explicit:}"
#else
-#define LINK_SSP_SPEC "%{fstack-protector|fstack-protector-strong|fstack-protector-all:-lssp_nonshared -lssp}"
+#define LINK_SSP_SPEC "%{fstack-protector|fstack-protector-all" \
+ "|fstack-protector-strong|fstack-protector-explicit" \
+ ":-lssp_nonshared -lssp}"
#endif
#endif
#ifndef SANITIZER_EARLY_SPEC
#define SANITIZER_EARLY_SPEC "\
%{!nostdlib:%{!nodefaultlibs:%{%:sanitize(address):" LIBASAN_EARLY_SPEC "} \
- %{%:sanitize(thread):" LIBTSAN_EARLY_SPEC "}}}"
+ %{%:sanitize(thread):" LIBTSAN_EARLY_SPEC "} \
+ %{%:sanitize(leak):" LIBLSAN_EARLY_SPEC "}}}"
#endif
/* Linker command line options for -fsanitize= late on the command line. */
#ifndef SANITIZER_SPEC
#define SANITIZER_SPEC "\
%{!nostdlib:%{!nodefaultlibs:%{%:sanitize(address):" LIBASAN_SPEC "\
- %{static:%ecannot specify -static with -fsanitize=address}\
- %{%:sanitize(thread):%e-fsanitize=address is incompatible with -fsanitize=thread}}\
+ %{static:%ecannot specify -static with -fsanitize=address}}\
%{%:sanitize(thread):" LIBTSAN_SPEC "\
- %{!pie:%{!shared:%e-fsanitize=thread linking must be done with -pie or -shared}}}\
+ %{static:%ecannot specify -static with -fsanitize=thread}}\
%{%:sanitize(undefined):" LIBUBSAN_SPEC "}\
%{%:sanitize(leak):" LIBLSAN_SPEC "}}}"
#endif
%{fvtable-verify=preinit: -lvtv -u_vtable_map_vars_start -u_vtable_map_vars_end}}"
#endif
+#ifndef CHKP_SPEC
+#define CHKP_SPEC ""
+#endif
+
/* -u* was put back because both BSD and SysV seem to support it. */
/* %{static:} simply prevents an error message if the target machine
doesn't handle -static. */
%(linker) " \
LINK_PLUGIN_SPEC \
"%{flto|flto=*:%<fcompare-debug*} \
- %{flto} %{flto=*} %l " LINK_PIE_SPEC \
- "%{fuse-ld=*:-fuse-ld=%*}\
- %X %{o*} %{e*} %{N} %{n} %{r}\
+ %{flto} %{fno-lto} %{flto=*} %l " LINK_PIE_SPEC \
+ "%{fuse-ld=*:-fuse-ld=%*} " LINK_COMPRESS_DEBUG_SPEC \
+ "%X %{o*} %{e*} %{N} %{n} %{r}\
%{s} %{t} %{u*} %{z} %{Z} %{!nostdlib:%{!nostartfiles:%S}} " VTABLE_VERIFICATION_SPEC " \
%{static:} %{L*} %(mfwrap) %(link_libgcc) " SANITIZER_EARLY_SPEC " %o\
- %{fopenmp|ftree-parallelize-loops=*:%:include(libgomp.spec)%(link_gomp)}\
+ " CHKP_SPEC " \
+ %{fopenacc|fopenmp|ftree-parallelize-loops=*:%:include(libgomp.spec)%(link_gomp)}\
+ %{fcilkplus:%:include(libcilkrts.spec)%(link_cilkrts)}\
%{fgnu-tm:%:include(libitm.spec)%(link_itm)}\
%(mflib) " STACK_SPLIT_SPEC "\
%{fprofile-arcs|fprofile-generate*|coverage:-lgcov} " SANITIZER_SPEC " \
to the assembler equivalents. */
"%{v} %{w:-W} %{I*} "
#endif
+ASM_COMPRESS_DEBUG_SPEC
"%a %Y %{c:%W{o*}%{!o*:-o %w%b%O}}%{!c:-o %d%w%u%O}";
static const char *invoke_as =
/* Linking to libgomp implies pthreads. This is particularly important
for targets that use different start files and suchlike. */
#ifndef GOMP_SELF_SPECS
-#define GOMP_SELF_SPECS "%{fopenmp|ftree-parallelize-loops=*: -pthread}"
+#define GOMP_SELF_SPECS "%{fopenacc|fopenmp|ftree-parallelize-loops=*: " \
+ "-pthread}"
#endif
/* Likewise for -fgnu-tm. */
#define GTM_SELF_SPECS "%{fgnu-tm: -pthread}"
#endif
+/* Likewise for -fcilkplus. */
+#ifndef CILK_SELF_SPECS
+#define CILK_SELF_SPECS "%{fcilkplus: -pthread}"
+#endif
+
static const char *const driver_self_specs[] = {
"%{fdump-final-insns:-fdump-final-insns=.} %<fdump-final-insns",
- DRIVER_SELF_SPECS, CONFIGURE_SPECS, GOMP_SELF_SPECS, GTM_SELF_SPECS
+ DRIVER_SELF_SPECS, CONFIGURE_SPECS, GOMP_SELF_SPECS, GTM_SELF_SPECS,
+ CILK_SELF_SPECS
};
#ifndef OPTION_DEFAULT_SPECS
relative to the driver. */
static const char *const tooldir_base_prefix = TOOLDIR_BASE_PREFIX;
+/* A prefix to be used when this is an accelerator compiler. */
+static const char *const accel_dir_suffix = ACCEL_DIR_SUFFIX;
+
/* Subdirectory to use for locating libraries. Set by
set_multilib_dir based on the compilation options. */
static vec<const_char_p> argbuf;
-/* Position in the argbuf vector containing the name of the output file
- (the value associated with the "-o" flag). */
-
-static int have_o_argbuf_index = 0;
-
/* Were the options -c, -S or -E passed. */
static int have_c = 0;
/* Was the option -o passed. */
static int have_o = 0;
+/* Pointer to output file name passed in with -o. */
+static const char *output_file = 0;
+
/* This is the list of suffixes and codes (%g/%u/%U/%j) and the associated
temp file. If the HOST_BIT_BUCKET is used for %j, no entry is made for
it here. */
{
argbuf.safe_push (arg);
- if (strcmp (arg, "-o") == 0)
- have_o_argbuf_index = argbuf.length ();
if (delete_always || delete_failure)
{
const char *p;
p1++;
if (*p1++ != '<' || p[-2] != '>')
- fatal_error ("specs %%include syntax malformed after "
+ fatal_error (input_location,
+ "specs %%include syntax malformed after "
"%ld characters",
(long) (p1 - buffer + 1));
p1++;
if (*p1++ != '<' || p[-2] != '>')
- fatal_error ("specs %%include syntax malformed after "
+ fatal_error (input_location,
+ "specs %%include syntax malformed after "
"%ld characters",
(long) (p1 - buffer + 1));
p1++;
if (! ISALPHA ((unsigned char) *p1))
- fatal_error ("specs %%rename syntax malformed after "
+ fatal_error (input_location,
+ "specs %%rename syntax malformed after "
"%ld characters",
(long) (p1 - buffer));
p2++;
if (*p2 != ' ' && *p2 != '\t')
- fatal_error ("specs %%rename syntax malformed after "
+ fatal_error (input_location,
+ "specs %%rename syntax malformed after "
"%ld characters",
(long) (p2 - buffer));
p2++;
if (! ISALPHA ((unsigned char) *p2))
- fatal_error ("specs %%rename syntax malformed after "
+ fatal_error (input_location,
+ "specs %%rename syntax malformed after "
"%ld characters",
(long) (p2 - buffer));
p3++;
if (p3 != p - 1)
- fatal_error ("specs %%rename syntax malformed after "
+ fatal_error (input_location,
+ "specs %%rename syntax malformed after "
"%ld characters",
(long) (p3 - buffer));
*p3 = '\0';
break;
if (!sl)
- fatal_error ("specs %s spec was not found to be renamed", p1);
+ fatal_error (input_location,
+ "specs %s spec was not found to be renamed", p1);
if (strcmp (p1, p2) == 0)
continue;
for (newsl = specs; newsl; newsl = newsl->next)
if (strcmp (newsl->name, p2) == 0)
- fatal_error ("%s: attempt to rename spec %qs to "
+ fatal_error (input_location,
+ "%s: attempt to rename spec %qs to "
"already defined spec %qs",
filename, p1, p2);
continue;
}
else
- fatal_error ("specs unknown %% command after %ld characters",
+ fatal_error (input_location,
+ "specs unknown %% command after %ld characters",
(long) (p1 - buffer));
}
/* The colon shouldn't be missing. */
if (*p1 != ':')
- fatal_error ("specs file malformed after %ld characters",
+ fatal_error (input_location,
+ "specs file malformed after %ld characters",
(long) (p1 - buffer));
/* Skip back over trailing whitespace. */
/* Find the next line. */
p = skip_whitespace (p1 + 1);
if (p[1] == 0)
- fatal_error ("specs file malformed after %ld characters",
+ fatal_error (input_location,
+ "specs file malformed after %ld characters",
(long) (p - buffer));
p1 = p;
}
if (link_command_spec == 0)
- fatal_error ("spec file has no spec for linking");
+ fatal_error (input_location, "spec file has no spec for linking");
}
\f
/* Record the names of temporary files we tell compilers to write,
int require_machine_suffix, int os_multilib)
{
if (!IS_ABSOLUTE_PATH (prefix))
- fatal_error ("system path %qs is not absolute", prefix);
+ fatal_error (input_location, "system path %qs is not absolute", prefix);
if (target_system_root)
{
if (arg && strcmp (arg, "|") == 0)
{ /* each command. */
#if defined (__MSDOS__) || defined (OS2) || defined (VMS)
- fatal_error ("-pipe not supported");
+ fatal_error (input_location, "-pipe not supported");
#endif
argbuf[i] = 0; /* Termination of
command args. */
? PEX_RECORD_TIMES : 0),
progname, temp_filename);
if (pex == NULL)
- fatal_error ("pex_init failed: %m");
+ fatal_error (input_location, "pex_init failed: %m");
for (i = 0; i < n_commands; i++)
{
if (errmsg != NULL)
{
if (err == 0)
- fatal_error (errmsg);
+ fatal_error (input_location, errmsg);
else
{
errno = err;
}
}
- if (string != commands[i].prog)
+ if (i && string != commands[i].prog)
free (CONST_CAST (char *, string));
}
statuses = (int *) alloca (n_commands * sizeof (int));
if (!pex_get_status (pex, n_commands, statuses))
- fatal_error ("failed to get exit status: %m");
+ fatal_error (input_location, "failed to get exit status: %m");
if (report_times || report_times_to_file)
{
times = (struct pex_time *) alloca (n_commands * sizeof (struct pex_time));
if (!pex_get_times (pex, n_commands, times))
- fatal_error ("failed to get process times: %m");
+ fatal_error (input_location, "failed to get process times: %m");
}
pex_free (pex);
}
else
#endif
- internal_error ("%s (program %s)",
- strsignal (WTERMSIG (status)), commands[i].prog);
+ internal_error_no_backtrace ("%s (program %s)",
+ strsignal (WTERMSIG (status)),
+ commands[i].prog);
}
else if (WIFEXITED (status)
&& WEXITSTATUS (status) >= MIN_FATAL_STATUS)
{
+ /* For ICEs in cc1, cc1obj, cc1plus see if it is
+ reproducible or not. */
+ const char *p;
+ if (flag_report_bug
+ && WEXITSTATUS (status) == ICE_EXIT_CODE
+ && i == 0
+ && (p = strrchr (commands[0].argv[0], DIR_SEPARATOR))
+ && ! strncmp (p + 1, "cc1", 3))
+ try_generate_repro (commands[0].argv);
if (WEXITSTATUS (status) > greatest_status)
greatest_status = WEXITSTATUS (status);
ret_code = -1;
}
}
+ if (commands[0].argv[0] != commands[0].prog)
+ free (CONST_CAST (char *, commands[0].argv[0]));
+
return ret_code;
}
}
static const char *spec_lang = 0;
static int last_language_n_infiles;
+/* Parse -foffload option argument. */
+
+static void
+handle_foffload_option (const char *arg)
+{
+ const char *c, *cur, *n, *next, *end;
+ char *target;
+
+ /* If option argument starts with '-' then no target is specified and we
+ do not need to parse it. */
+ if (arg[0] == '-')
+ return;
+
+ end = strchr (arg, '=');
+ if (end == NULL)
+ end = strchr (arg, '\0');
+ cur = arg;
+
+ while (cur < end)
+ {
+ next = strchr (cur, ',');
+ if (next == NULL)
+ next = end;
+ next = (next > end) ? end : next;
+
+ target = XNEWVEC (char, next - cur + 1);
+ memcpy (target, cur, next - cur);
+ target[next - cur] = '\0';
+
+ /* If 'disable' is passed to the option, stop parsing the option and clean
+ the list of offload targets. */
+ if (strcmp (target, "disable") == 0)
+ {
+ free (offload_targets);
+ offload_targets = xstrdup ("");
+ break;
+ }
+
+ /* Check that GCC is configured to support the offload target. */
+ c = OFFLOAD_TARGETS;
+ while (c)
+ {
+ n = strchr (c, ',');
+ if (n == NULL)
+ n = strchr (c, '\0');
+
+ if (next - cur == n - c && strncmp (target, c, n - c) == 0)
+ break;
+
+ c = *n ? n + 1 : NULL;
+ }
+
+ if (!c)
+ fatal_error (input_location,
+ "GCC is not configured to support %s as offload target",
+ target);
+
+ if (!offload_targets)
+ {
+ offload_targets = target;
+ target = NULL;
+ }
+ else
+ {
+ /* Check that the target hasn't already presented in the list. */
+ c = offload_targets;
+ do
+ {
+ n = strchr (c, ':');
+ if (n == NULL)
+ n = strchr (c, '\0');
+
+ if (next - cur == n - c && strncmp (c, target, n - c) == 0)
+ break;
+
+ c = n + 1;
+ }
+ while (*n);
+
+ /* If duplicate is not found, append the target to the list. */
+ if (c > n)
+ {
+ size_t offload_targets_len = strlen (offload_targets);
+ offload_targets
+ = XRESIZEVEC (char, offload_targets,
+ offload_targets_len + next - cur + 2);
+ if (offload_targets_len)
+ offload_targets[offload_targets_len++] = ':';
+ memcpy (offload_targets + offload_targets_len, target, next - cur);
+ }
+ }
+
+ cur = next + 1;
+ XDELETEVEC (target);
+ }
+}
+
/* Handle a driver option; arguments and return value as for
handle_option. */
save_switch (compare_debug_replacement_opt, 0, NULL, validated, true);
return true;
+ case OPT_fdiagnostics_color_:
+ diagnostic_color_init (dc, value);
+ break;
+
case OPT_Wa_:
{
int prev, j;
|| strcmp (arg, "object") == 0)
save_temps_flag = SAVE_TEMPS_OBJ;
else
- fatal_error ("%qs is an unknown -save-temps option",
+ fatal_error (input_location, "%qs is an unknown -save-temps option",
decoded->orig_option_with_args_text);
break;
#if defined(HAVE_TARGET_EXECUTABLE_SUFFIX) || defined(HAVE_TARGET_OBJECT_SUFFIX)
arg = convert_filename (arg, ! have_c, 0);
#endif
+ output_file = arg;
/* Save the output name in case -save-temps=obj was used. */
save_temps_prefix = xstrdup (arg);
/* On some systems, ld cannot handle "-o" without a space. So
flag_wpa = "";
break;
+ case OPT_foffload_:
+ handle_foffload_option (arg);
+ break;
+
default:
/* Various driver options need no special processing at this
point, having been handled in a prescan above or being
CL_DRIVER, &handlers, global_dc);
}
+ if (output_file
+ && strcmp (output_file, "-") != 0
+ && strcmp (output_file, HOST_BIT_BUCKET) != 0)
+ {
+ int i;
+ for (i = 0; i < n_infiles; i++)
+ if ((!infiles[i].language || infiles[i].language[0] != '*')
+ && canonical_filename_eq (infiles[i].name, output_file))
+ fatal_error (input_location,
+ "input file %qs is the same as output file",
+ output_file);
+ }
+
/* If -save-temps=obj and -o name, create the prefix to use for %b.
Otherwise just make -save-temps=obj the same as -save-temps=cwd. */
if (save_temps_flag == SAVE_TEMPS_OBJ && save_temps_prefix != NULL)
}
gcc_assert (!IS_ABSOLUTE_PATH (tooldir_base_prefix));
- tooldir_prefix2 = concat (tooldir_base_prefix, spec_machine,
+ tooldir_prefix2 = concat (tooldir_base_prefix, spec_host_machine,
dir_separator_str, NULL);
/* Look for tools relative to the location from which the driver is
running, or, if that is not available, the configured prefix. */
tooldir_prefix
= concat (gcc_exec_prefix ? gcc_exec_prefix : standard_exec_prefix,
- spec_machine, dir_separator_str,
- spec_version, dir_separator_str, tooldir_prefix2, NULL);
+ spec_host_machine, dir_separator_str, spec_version,
+ accel_dir_suffix, dir_separator_str, tooldir_prefix2, NULL);
free (tooldir_prefix2);
add_prefix (&exec_prefixes,
/* Specs should only generate options, not input
files. */
if (strcmp (decoded_options[j].arg, "-") != 0)
- fatal_error ("switch %qs does not start with %<-%>",
+ fatal_error (input_location,
+ "switch %qs does not start with %<-%>",
decoded_options[j].arg);
else
- fatal_error ("spec-generated switch is just %<-%>");
+ fatal_error (input_location,
+ "spec-generated switch is just %<-%>");
break;
case OPT_fcompare_debug_second:
}
}
+ free (decoded_options);
+
alloc_switch ();
switches[n_switches].part1 = 0;
}
int status;
if (f == NULL)
- fatal_error ("could not open temporary response file %s",
+ fatal_error (input_location, "could not open temporary response file %s",
temp_file);
status = writeargv (argv, f);
if (status)
- fatal_error ("could not write to temporary response file %s",
+ fatal_error (input_location,
+ "could not write to temporary response file %s",
temp_file);
status = fclose (f);
if (EOF == status)
- fatal_error ("could not close temporary response file %s",
+ fatal_error (input_location, "could not close temporary response file %s",
temp_file);
store_arg (at_argument, 0, 0);
switch (c = *p++)
{
case 0:
- fatal_error ("spec %qs invalid", spec);
+ fatal_error (input_location, "spec %qs invalid", spec);
case 'b':
if (save_temps_length)
p += 2;
/* We don't support extra suffix characters after %O. */
if (*p == '.' || ISALNUM ((unsigned char) *p))
- fatal_error ("spec %qs has invalid %<%%0%c%>", spec, *p);
+ fatal_error (input_location,
+ "spec %qs has invalid %<%%0%c%>", spec, *p);
if (suffix_length == 0)
suffix = TARGET_OBJECT_SUFFIX;
else
{
saved_suffix
= XNEWVEC (char, suffix_length
- + strlen (TARGET_OBJECT_SUFFIX));
+ + strlen (TARGET_OBJECT_SUFFIX) + 1);
strncpy (saved_suffix, suffix, suffix_length);
strcpy (saved_suffix + suffix_length,
TARGET_OBJECT_SUFFIX);
unsigned int cur_index = argbuf.length ();
/* Handle the {...} following the %W. */
if (*p != '{')
- fatal_error ("spec %qs has invalid %<%%W%c%>", spec, *p);
+ fatal_error (input_location,
+ "spec %qs has invalid %<%%W%c%>", spec, *p);
p = handle_braces (p + 1);
if (p == 0)
return -1;
/* Skip past the option value and make a copy. */
if (*p != '{')
- fatal_error ("spec %qs has invalid %<%%x%c%>", spec, *p);
+ fatal_error (input_location,
+ "spec %qs has invalid %<%%x%c%>", spec, *p);
while (*p++ != '}')
;
string = save_string (p1 + 1, p - p1 - 2);
const char *save_suffix_subst;
int save_growing_size;
- void *save_growing_value;
+ void *save_growing_value = NULL;
sf = lookup_spec_function (func);
if (sf == NULL)
- fatal_error ("unknown spec function %qs", func);
+ fatal_error (input_location, "unknown spec function %qs", func);
/* Push the spec processing context. */
save_argbuf = argbuf;
alloc_args ();
if (do_spec_2 (args) < 0)
- fatal_error ("error in args to spec function %qs", func);
+ fatal_error (input_location, "error in args to spec function %qs", func);
/* argbuf_index is an index for the next argument to be inserted, and
so contains the count of the args already inserted. */
break;
/* Only allow [A-Za-z0-9], -, and _ in function names. */
if (!ISALNUM (*endp) && !(*endp == '-' || *endp == '_'))
- fatal_error ("malformed spec function name");
+ fatal_error (input_location, "malformed spec function name");
}
if (*endp != '(') /* ) */
- fatal_error ("no arguments for spec function");
+ fatal_error (input_location, "no arguments for spec function");
func = save_string (p, endp - p);
p = ++endp;
}
/* ( */
if (*endp != ')')
- fatal_error ("malformed spec function arguments");
+ fatal_error (input_location, "malformed spec function arguments");
args = save_string (p, endp - p);
p = ++endp;
return p;
invalid:
- fatal_error ("braced spec %qs is invalid at %qc", orig, *p);
+ fatal_error (input_location, "braced spec %qs is invalid at %qc", orig, *p);
#undef SKIP_WHITE
}
return p;
invalid:
- fatal_error ("braced spec body %qs is invalid", body);
+ fatal_error (input_location, "braced spec body %qs is invalid", body);
}
\f
/* Return 0 iff switch number SWITCHNUM is obsoleted by a later switch
switches[switchnum].validated = true;
}
\f
+/* Print GCC configuration (e.g. version, thread model, target,
+ configuration_arguments) to a given FILE. */
+
+static void
+print_configuration (FILE *file)
+{
+ int n;
+ const char *thrmod;
+
+ fnotice (file, "Target: %s\n", spec_machine);
+ fnotice (file, "Configured with: %s\n", configuration_arguments);
+
+#ifdef THREAD_MODEL_SPEC
+ /* We could have defined THREAD_MODEL_SPEC to "%*" by default,
+ but there's no point in doing all this processing just to get
+ thread_model back. */
+ obstack_init (&obstack);
+ do_spec_1 (THREAD_MODEL_SPEC, 0, thread_model);
+ obstack_1grow (&obstack, '\0');
+ thrmod = XOBFINISH (&obstack, const char *);
+#else
+ thrmod = thread_model;
+#endif
+
+ fnotice (file, "Thread model: %s\n", thrmod);
+
+ /* compiler_version is truncated at the first space when initialized
+ from version string, so truncate version_string at the first space
+ before comparing. */
+ for (n = 0; version_string[n]; n++)
+ if (version_string[n] == ' ')
+ break;
+
+ if (! strncmp (version_string, compiler_version, n)
+ && compiler_version[n] == 0)
+ fnotice (file, "gcc version %s %s\n", version_string,
+ pkgversion_string);
+ else
+ fnotice (file, "gcc driver version %s %sexecuting gcc version %s\n",
+ version_string, pkgversion_string, compiler_version);
+
+}
+
+#define RETRY_ICE_ATTEMPTS 3
+
+/* Returns true if FILE1 and FILE2 contain equivalent data, 0 otherwise. */
+
+static bool
+files_equal_p (char *file1, char *file2)
+{
+ struct stat st1, st2;
+ off_t n, len;
+ int fd1, fd2;
+ const int bufsize = 8192;
+ char *buf = XNEWVEC (char, bufsize);
+
+ fd1 = open (file1, O_RDONLY);
+ fd2 = open (file2, O_RDONLY);
+
+ if (fd1 < 0 || fd2 < 0)
+ goto error;
+
+ if (fstat (fd1, &st1) < 0 || fstat (fd2, &st2) < 0)
+ goto error;
+
+ if (st1.st_size != st2.st_size)
+ goto error;
+
+ for (n = st1.st_size; n; n -= len)
+ {
+ len = n;
+ if ((int) len > bufsize / 2)
+ len = bufsize / 2;
+
+ if (read (fd1, buf, len) != (int) len
+ || read (fd2, buf + bufsize / 2, len) != (int) len)
+ {
+ goto error;
+ }
+
+ if (memcmp (buf, buf + bufsize / 2, len) != 0)
+ goto error;
+ }
+
+ free (buf);
+ close (fd1);
+ close (fd2);
+
+ return 1;
+
+error:
+ free (buf);
+ close (fd1);
+ close (fd2);
+ return 0;
+}
+
+/* Check that compiler's output doesn't differ across runs.
+ TEMP_STDOUT_FILES and TEMP_STDERR_FILES are arrays of files, containing
+ stdout and stderr for each compiler run. Return true if all of
+ TEMP_STDOUT_FILES and TEMP_STDERR_FILES are equivalent. */
+
+static bool
+check_repro (char **temp_stdout_files, char **temp_stderr_files)
+{
+ int i;
+ for (i = 0; i < RETRY_ICE_ATTEMPTS - 2; ++i)
+ {
+ if (!files_equal_p (temp_stdout_files[i], temp_stdout_files[i + 1])
+ || !files_equal_p (temp_stderr_files[i], temp_stderr_files[i + 1]))
+ {
+ fnotice (stderr, "The bug is not reproducible, so it is"
+ " likely a hardware or OS problem.\n");
+ break;
+ }
+ }
+ return i == RETRY_ICE_ATTEMPTS - 2;
+}
+
+enum attempt_status {
+ ATTEMPT_STATUS_FAIL_TO_RUN,
+ ATTEMPT_STATUS_SUCCESS,
+ ATTEMPT_STATUS_ICE
+};
+
+
+/* Run compiler with arguments NEW_ARGV to reproduce the ICE, storing stdout
+ to OUT_TEMP and stderr to ERR_TEMP. If APPEND is TRUE, append to OUT_TEMP
+ and ERR_TEMP instead of truncating. If EMIT_SYSTEM_INFO is TRUE, also write
+ GCC configuration into to ERR_TEMP. Return ATTEMPT_STATUS_FAIL_TO_RUN if
+ compiler failed to run, ATTEMPT_STATUS_ICE if compiled ICE-ed and
+ ATTEMPT_STATUS_SUCCESS otherwise. */
+
+static enum attempt_status
+run_attempt (const char **new_argv, const char *out_temp,
+ const char *err_temp, int emit_system_info, int append)
+{
+
+ if (emit_system_info)
+ {
+ FILE *file_out = fopen (err_temp, "a");
+ print_configuration (file_out);
+ fputs ("\n", file_out);
+ fclose (file_out);
+ }
+
+ int exit_status;
+ const char *errmsg;
+ struct pex_obj *pex;
+ int err;
+ int pex_flags = PEX_USE_PIPES | PEX_LAST;
+ enum attempt_status status = ATTEMPT_STATUS_FAIL_TO_RUN;
+
+ if (append)
+ pex_flags |= PEX_STDOUT_APPEND | PEX_STDERR_APPEND;
+
+ pex = pex_init (PEX_USE_PIPES, new_argv[0], NULL);
+ if (!pex)
+ fatal_error (input_location, "pex_init failed: %m");
+
+ errmsg = pex_run (pex, pex_flags, new_argv[0],
+ CONST_CAST2 (char *const *, const char **, &new_argv[1]), out_temp,
+ err_temp, &err);
+ if (errmsg != NULL)
+ {
+ if (err == 0)
+ fatal_error (input_location, errmsg);
+ else
+ {
+ errno = err;
+ pfatal_with_name (errmsg);
+ }
+ }
+
+ if (!pex_get_status (pex, 1, &exit_status))
+ goto out;
+
+ switch (WEXITSTATUS (exit_status))
+ {
+ case ICE_EXIT_CODE:
+ status = ATTEMPT_STATUS_ICE;
+ break;
+
+ case SUCCESS_EXIT_CODE:
+ status = ATTEMPT_STATUS_SUCCESS;
+ break;
+
+ default:
+ ;
+ }
+
+out:
+ pex_free (pex);
+ return status;
+}
+
+/* This routine reads lines from IN file, adds C++ style comments
+ at the begining of each line and writes result into OUT. */
+
+static void
+insert_comments (const char *file_in, const char *file_out)
+{
+ FILE *in = fopen (file_in, "rb");
+ FILE *out = fopen (file_out, "wb");
+ char line[256];
+
+ bool add_comment = true;
+ while (fgets (line, sizeof (line), in))
+ {
+ if (add_comment)
+ fputs ("// ", out);
+ fputs (line, out);
+ add_comment = strchr (line, '\n') != NULL;
+ }
+
+ fclose (in);
+ fclose (out);
+}
+
+/* This routine adds preprocessed source code into the given ERR_FILE.
+ To do this, it adds "-E" to NEW_ARGV and execute RUN_ATTEMPT routine to
+ add information in report file. RUN_ATTEMPT should return
+ ATTEMPT_STATUS_SUCCESS, in other case we cannot generate the report. */
+
+static void
+do_report_bug (const char **new_argv, const int nargs,
+ char **out_file, char **err_file)
+{
+ int i, status;
+ int fd = open (*out_file, O_RDWR | O_APPEND);
+ if (fd < 0)
+ return;
+ write (fd, "\n//", 3);
+ for (i = 0; i < nargs; i++)
+ {
+ write (fd, " ", 1);
+ write (fd, new_argv[i], strlen (new_argv[i]));
+ }
+ write (fd, "\n\n", 2);
+ close (fd);
+ new_argv[nargs] = "-E";
+ new_argv[nargs + 1] = NULL;
+
+ status = run_attempt (new_argv, *out_file, *err_file, 0, 1);
+
+ if (status == ATTEMPT_STATUS_SUCCESS)
+ {
+ fnotice (stderr, "Preprocessed source stored into %s file,"
+ " please attach this to your bugreport.\n", *out_file);
+ /* Make sure it is not deleted. */
+ free (*out_file);
+ *out_file = NULL;
+ }
+}
+
+/* Try to reproduce ICE. If bug is reproducible, generate report .err file
+ containing GCC configuration, backtrace, compiler's command line options
+ and preprocessed source code. */
+
+static void
+try_generate_repro (const char **argv)
+{
+ int i, nargs, out_arg = -1, quiet = 0, attempt;
+ const char **new_argv;
+ char *temp_files[RETRY_ICE_ATTEMPTS * 2];
+ char **temp_stdout_files = &temp_files[0];
+ char **temp_stderr_files = &temp_files[RETRY_ICE_ATTEMPTS];
+
+ if (gcc_input_filename == NULL || ! strcmp (gcc_input_filename, "-"))
+ return;
+
+ for (nargs = 0; argv[nargs] != NULL; ++nargs)
+ /* Only retry compiler ICEs, not preprocessor ones. */
+ if (! strcmp (argv[nargs], "-E"))
+ return;
+ else if (argv[nargs][0] == '-' && argv[nargs][1] == 'o')
+ {
+ if (out_arg == -1)
+ out_arg = nargs;
+ else
+ return;
+ }
+ /* If the compiler is going to output any time information,
+ it might varry between invocations. */
+ else if (! strcmp (argv[nargs], "-quiet"))
+ quiet = 1;
+ else if (! strcmp (argv[nargs], "-ftime-report"))
+ return;
+
+ if (out_arg == -1 || !quiet)
+ return;
+
+ memset (temp_files, '\0', sizeof (temp_files));
+ new_argv = XALLOCAVEC (const char *, nargs + 4);
+ memcpy (new_argv, argv, (nargs + 1) * sizeof (const char *));
+ new_argv[nargs++] = "-frandom-seed=0";
+ new_argv[nargs++] = "-fdump-noaddr";
+ new_argv[nargs] = NULL;
+ if (new_argv[out_arg][2] == '\0')
+ new_argv[out_arg + 1] = "-";
+ else
+ new_argv[out_arg] = "-o-";
+
+ int status;
+ for (attempt = 0; attempt < RETRY_ICE_ATTEMPTS; ++attempt)
+ {
+ int emit_system_info = 0;
+ int append = 0;
+ temp_stdout_files[attempt] = make_temp_file (".out");
+ temp_stderr_files[attempt] = make_temp_file (".err");
+
+ if (attempt == RETRY_ICE_ATTEMPTS - 1)
+ {
+ append = 1;
+ emit_system_info = 1;
+ }
+
+ status = run_attempt (new_argv, temp_stdout_files[attempt],
+ temp_stderr_files[attempt], emit_system_info,
+ append);
+
+ if (status != ATTEMPT_STATUS_ICE)
+ {
+ fnotice (stderr, "The bug is not reproducible, so it is"
+ " likely a hardware or OS problem.\n");
+ goto out;
+ }
+ }
+
+ if (!check_repro (temp_stdout_files, temp_stderr_files))
+ goto out;
+
+ {
+ /* Insert commented out backtrace into report file. */
+ char **stderr_commented = &temp_stdout_files[RETRY_ICE_ATTEMPTS - 1];
+ insert_comments (temp_stderr_files[RETRY_ICE_ATTEMPTS - 1],
+ *stderr_commented);
+
+ /* In final attempt we append compiler options and preprocesssed code to last
+ generated .out file with configuration and backtrace. */
+ char **output = &temp_stdout_files[RETRY_ICE_ATTEMPTS - 1];
+ do_report_bug (new_argv, nargs, stderr_commented, output);
+ }
+
+out:
+ for (i = 0; i < RETRY_ICE_ATTEMPTS * 2; i++)
+ if (temp_files[i])
+ {
+ unlink (temp_stdout_files[i]);
+ free (temp_stdout_files[i]);
+ }
+}
+
/* Search for a file named NAME trying various prefixes including the
user's -B prefix and some standard ones.
Return the absolute file name found. If nothing is found, return NAME. */
return ret;
}
-extern int main (int, char **);
+/* driver::main is implemented as a series of driver:: method calls. */
int
-main (int argc, char **argv)
+driver::main (int argc, char **argv)
{
- size_t i;
- int value;
- int linker_was_run = 0;
- int lang_n_infiles = 0;
- int num_linker_inputs = 0;
- char *explicit_link_files;
- char *specs_file;
- char *lto_wrapper_file;
- const char *p;
- struct user_specs *uptr;
- char **old_argv = argv;
- struct cl_decoded_option *decoded_options;
- unsigned int decoded_options_count;
+ bool early_exit;
+
+ set_progname (argv[0]);
+ expand_at_files (&argc, &argv);
+ decode_argv (argc, const_cast <const char **> (argv));
+ global_initializations ();
+ build_multilib_strings ();
+ set_up_specs ();
+ putenv_COLLECT_GCC (argv[0]);
+ maybe_putenv_COLLECT_LTO_WRAPPER ();
+ maybe_putenv_OFFLOAD_TARGETS ();
+ handle_unrecognized_options ();
+
+ if (!maybe_print_and_exit ())
+ return 0;
+
+ early_exit = prepare_infiles ();
+ if (early_exit)
+ return get_exit_code ();
+
+ do_spec_on_infiles ();
+ maybe_run_linker (argv[0]);
+ final_actions ();
+ return get_exit_code ();
+}
- p = argv[0] + strlen (argv[0]);
- while (p != argv[0] && !IS_DIR_SEPARATOR (p[-1]))
+/* Locate the final component of argv[0] after any leading path, and set
+ the program name accordingly. */
+
+void
+driver::set_progname (const char *argv0) const
+{
+ const char *p = argv0 + strlen (argv0);
+ while (p != argv0 && !IS_DIR_SEPARATOR (p[-1]))
--p;
progname = p;
xmalloc_set_program_name (progname);
+}
- expandargv (&argc, &argv);
+/* Expand any @ files within the command-line args,
+ setting at_file_supplied if any were expanded. */
+
+void
+driver::expand_at_files (int *argc, char ***argv) const
+{
+ char **old_argv = *argv;
+
+ expandargv (argc, argv);
/* Determine if any expansions were made. */
- if (argv != old_argv)
+ if (*argv != old_argv)
at_file_supplied = true;
+}
+/* Decode the command-line arguments from argc/argv into the
+ decoded_options array. */
+
+void
+driver::decode_argv (int argc, const char **argv)
+{
/* Register the language-independent parameters. */
global_init_params ();
finish_params ();
init_options_struct (&global_options, &global_options_set);
- decode_cmdline_options_to_array (argc, CONST_CAST2 (const char **, char **,
- argv),
+ decode_cmdline_options_to_array (argc, argv,
CL_DRIVER,
&decoded_options, &decoded_options_count);
+}
+
+/* Perform various initializations and setup. */
+void
+driver::global_initializations ()
+{
/* Unlock the stdio streams. */
unlock_std_streams ();
gcc_init_libintl ();
diagnostic_initialize (global_dc, 0);
+ diagnostic_color_init (global_dc);
#ifdef GCC_DRIVER_HOST_INITIALIZATION
/* Perform host dependent initialization when needed. */
#endif
if (atexit (delete_temp_files) != 0)
- fatal_error ("atexit failed");
+ fatal_error (input_location, "atexit failed");
if (signal (SIGINT, SIG_IGN) != SIG_IGN)
signal (SIGINT, fatal_signal);
alloc_args ();
obstack_init (&obstack);
+}
+
+/* Build multilib_select, et. al from the separate lines that make up each
+ multilib selection. */
- /* Build multilib_select, et. al from the separate lines that make up each
- multilib selection. */
+void
+driver::build_multilib_strings () const
+{
{
+ const char *p;
const char *const *q = multilib_raw;
int need_space;
multilib_reuse = XOBFINISH (&multilib_obstack, const char *);
need_space = FALSE;
- for (i = 0; i < ARRAY_SIZE (multilib_defaults_raw); i++)
+ for (size_t i = 0; i < ARRAY_SIZE (multilib_defaults_raw); i++)
{
if (need_space)
obstack_1grow (&multilib_obstack, ' ');
obstack_1grow (&multilib_obstack, 0);
multilib_defaults = XOBFINISH (&multilib_obstack, const char *);
}
+}
+
+/* Set up the spec-handling machinery. */
+
+void
+driver::set_up_specs () const
+{
+ const char *spec_machine_suffix;
+ char *specs_file;
+ size_t i;
#ifdef INIT_ENVIRONMENT
/* Set up any other necessary machine specific environment variables. */
/* Read specs from a file if there is one. */
- machine_suffix = concat (spec_machine, dir_separator_str,
- spec_version, dir_separator_str, NULL);
+ machine_suffix = concat (spec_host_machine, dir_separator_str, spec_version,
+ accel_dir_suffix, dir_separator_str, NULL);
just_machine_suffix = concat (spec_machine, dir_separator_str, NULL);
specs_file = find_a_file (&startfile_prefixes, "specs", R_OK, true);
else
init_spec ();
- /* We need to check standard_exec_prefix/just_machine_suffix/specs
+#ifdef ACCEL_COMPILER
+ spec_machine_suffix = machine_suffix;
+#else
+ spec_machine_suffix = just_machine_suffix;
+#endif
+
+ /* We need to check standard_exec_prefix/spec_machine_suffix/specs
for any override of as, ld and libraries. */
specs_file = (char *) alloca (strlen (standard_exec_prefix)
- + strlen (just_machine_suffix) + sizeof ("specs"));
-
+ + strlen (spec_machine_suffix) + sizeof ("specs"));
strcpy (specs_file, standard_exec_prefix);
- strcat (specs_file, just_machine_suffix);
+ strcat (specs_file, spec_machine_suffix);
strcat (specs_file, "specs");
if (access (specs_file, R_OK) == 0)
read_specs (specs_file, true, false);
/* Process any user specified specs in the order given on the command
line. */
- for (uptr = user_specs_head; uptr; uptr = uptr->next)
+ for (struct user_specs *uptr = user_specs_head; uptr; uptr = uptr->next)
{
char *filename = find_a_file (&startfile_prefixes, uptr->filename,
R_OK, true);
/* If we have a GCC_EXEC_PREFIX envvar, modify it for cpp's sake. */
if (gcc_exec_prefix)
- gcc_exec_prefix = concat (gcc_exec_prefix, spec_machine, dir_separator_str,
- spec_version, dir_separator_str, NULL);
+ gcc_exec_prefix = concat (gcc_exec_prefix, spec_host_machine,
+ dir_separator_str, spec_version,
+ accel_dir_suffix, dir_separator_str, NULL);
/* Now we have the specs.
Set the `valid' bits for switches that match anything in any spec. */
/* Now that we have the switches and the specs, set
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 progname because
- we need the complete pathname. */
+/* Set up to remember the pathname of gcc and any options
+ needed for collect. We use argv[0] instead of progname because
+ we need the complete pathname. */
+
+void
+driver::putenv_COLLECT_GCC (const char *argv0) const
+{
obstack_init (&collect_obstack);
obstack_grow (&collect_obstack, "COLLECT_GCC=", sizeof ("COLLECT_GCC=") - 1);
- obstack_grow (&collect_obstack, argv[0], strlen (argv[0]) + 1);
+ obstack_grow (&collect_obstack, argv0, strlen (argv0) + 1);
xputenv (XOBFINISH (&collect_obstack, char *));
+}
+
+/* Set up to remember the pathname of the lto wrapper. */
- /* Set up to remember the pathname of the lto wrapper. */
+void
+driver::maybe_putenv_COLLECT_LTO_WRAPPER () const
+{
+ char *lto_wrapper_file;
if (have_c)
lto_wrapper_file = NULL;
xputenv (XOBFINISH (&collect_obstack, char *));
}
- /* Reject switches that no pass was interested in. */
+}
- for (i = 0; (int) i < n_switches; i++)
+/* Set up to remember the names of offload targets. */
+
+void
+driver::maybe_putenv_OFFLOAD_TARGETS () const
+{
+ const char *targets = offload_targets;
+
+ /* If no targets specified by -foffload, use all available targets. */
+ if (!targets)
+ targets = OFFLOAD_TARGETS;
+
+ if (strlen (targets) > 0)
+ {
+ obstack_grow (&collect_obstack, "OFFLOAD_TARGET_NAMES=",
+ sizeof ("OFFLOAD_TARGET_NAMES=") - 1);
+ obstack_grow (&collect_obstack, targets,
+ strlen (targets) + 1);
+ xputenv (XOBFINISH (&collect_obstack, char *));
+ }
+
+ free (offload_targets);
+}
+
+/* Reject switches that no pass was interested in. */
+
+void
+driver::handle_unrecognized_options () const
+{
+ for (size_t i = 0; (int) i < n_switches; i++)
if (! switches[i].validated)
error ("unrecognized command line option %<-%s%>", switches[i].part1);
+}
- /* Obey some of the options. */
+/* Handle the various -print-* options, returning 0 if the driver
+ should exit, or nonzero if the driver should continue. */
+int
+driver::maybe_print_and_exit () const
+{
if (print_search_dirs)
{
printf (_("install: %s%s\n"),
else
/* The error status indicates that only one set of fixed
headers should be built. */
- fatal_error ("not configured with sysroot headers suffix");
+ fatal_error (input_location,
+ "not configured with sysroot headers suffix");
}
if (print_help_list)
{
printf (_("%s %s%s\n"), progname, pkgversion_string,
version_string);
- printf ("Copyright %s 2014 Free Software Foundation, Inc.\n",
+ printf ("Copyright %s 2015 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"),
if (verbose_flag)
{
- int n;
- const char *thrmod;
-
- fnotice (stderr, "Target: %s\n", spec_machine);
- fnotice (stderr, "Configured with: %s\n", configuration_arguments);
-
-#ifdef THREAD_MODEL_SPEC
- /* We could have defined THREAD_MODEL_SPEC to "%*" by default,
- but there's no point in doing all this processing just to get
- thread_model back. */
- obstack_init (&obstack);
- do_spec_1 (THREAD_MODEL_SPEC, 0, thread_model);
- obstack_1grow (&obstack, '\0');
- thrmod = XOBFINISH (&obstack, const char *);
-#else
- thrmod = thread_model;
-#endif
-
- fnotice (stderr, "Thread model: %s\n", thrmod);
-
- /* compiler_version is truncated at the first space when initialized
- from version string, so truncate version_string at the first space
- before comparing. */
- for (n = 0; version_string[n]; n++)
- if (version_string[n] == ' ')
- break;
-
- if (! strncmp (version_string, compiler_version, n)
- && compiler_version[n] == 0)
- fnotice (stderr, "gcc version %s %s\n", version_string,
- pkgversion_string);
- else
- fnotice (stderr, "gcc driver version %s %sexecuting gcc version %s\n",
- version_string, pkgversion_string, compiler_version);
-
+ print_configuration (stderr);
if (n_infiles == 0)
return (0);
}
+ return 1;
+}
+
+/* Figure out what to do with each input file.
+ Return true if we need to exit early from "main", false otherwise. */
+
+bool
+driver::prepare_infiles ()
+{
+ size_t i;
+ int lang_n_infiles = 0;
+
if (n_infiles == added_libraries)
- fatal_error ("no input files");
+ fatal_error (input_location, "no input files");
if (seen_error ())
- goto out;
+ /* Early exit needed from main. */
+ return true;
/* Make a place to record the compiler output file names
that correspond to the input files. */
}
if (!combine_inputs && have_c && have_o && lang_n_infiles > 1)
- fatal_error ("cannot specify -o with -c, -S or -E with multiple files");
+ fatal_error (input_location,
+ "cannot specify -o with -c, -S or -E with multiple files");
+
+ /* No early exit needed from main; we can continue. */
+ return false;
+}
+
+/* Run the spec machinery on each input file. */
+
+void
+driver::do_spec_on_infiles () const
+{
+ size_t i;
for (i = 0; (int) i < n_infiles; i++)
{
}
else
{
+ int value;
+
if (compare_debug)
{
free (debug_check_temp_file[0]);
if (lang_specific_pre_link ())
errorcount++;
}
+}
+
+/* If we have to run the linker, do it now. */
+
+void
+driver::maybe_run_linker (const char *argv0) const
+{
+ size_t i;
+ int linker_was_run = 0;
+ int num_linker_inputs;
/* Determine if there are any linker input files. */
num_linker_inputs = 0;
LTOPLUGINSONAME, R_OK,
false);
if (!temp_spec)
- fatal_error ("-fuse-linker-plugin, but %s not found",
+ fatal_error (input_location,
+ "-fuse-linker-plugin, but %s not found",
LTOPLUGINSONAME);
linker_plugin_file_spec = convert_white_space (temp_spec);
}
#endif
- lto_gcc_spec = argv[0];
+ lto_gcc_spec = argv0;
}
/* Rebuild the COMPILER_PATH and LIBRARY_PATH environment variables
" to the linker.\n\n"));
fflush (stdout);
}
- value = do_spec (link_command_spec);
+ int value = do_spec (link_command_spec);
if (value < 0)
errorcount = 1;
linker_was_run = (tmp != execution_count);
&& !(infiles[i].language && infiles[i].language[0] == '*'))
warning (0, "%s: linker input file unused because linking not done",
outfiles[i]);
+}
+
+/* The end of "main". */
+void
+driver::final_actions () const
+{
/* Delete some or all of the temporary files we made. */
if (seen_error ())
printf (("\nFor bug reporting instructions, please see:\n"));
printf ("%s\n", bug_report_url);
}
+}
- out:
+/* Determine what the exit code of the driver should be. */
+
+int
+driver::get_exit_code () const
+{
return (signal_count != 0 ? 2
: seen_error () ? (pass_exit_codes ? greatest_status : 1)
: 0);
if (*q == '\0')
{
invalid_matches:
- fatal_error ("multilib spec %qs is invalid",
+ fatal_error (input_location, "multilib spec %qs is invalid",
multilib_matches);
}
q++;
{
const char *r;
- for (q = multilib_options; *q != '\0'; q++)
+ for (q = multilib_options; *q != '\0'; *q && q++)
{
while (*q == ' ')
q++;
if (*p == '\0')
{
invalid_exclusions:
- fatal_error ("multilib exclusions %qs is invalid",
+ fatal_error (input_location, "multilib exclusions %qs is invalid",
multilib_exclusions);
}
if (*p == '\0')
{
invalid_select:
- fatal_error ("multilib select %qs %qs is invalid",
+ fatal_error (input_location, "multilib select %qs %qs is invalid",
multilib_select, multilib_reuse);
}
++p;
q2++;
if (*q2 == ':')
ml_end = q2;
- new_multilib_os_dir = XNEWVEC (char, ml_end - q);
- memcpy (new_multilib_os_dir, q + 1, ml_end - q - 1);
- new_multilib_os_dir[ml_end - q - 1] = '\0';
- multilib_os_dir = *new_multilib_os_dir ? new_multilib_os_dir : ".";
+ if (ml_end - q == 1)
+ multilib_os_dir = xstrdup (".");
+ else
+ {
+ new_multilib_os_dir = XNEWVEC (char, ml_end - q);
+ memcpy (new_multilib_os_dir, q + 1, ml_end - q - 1);
+ new_multilib_os_dir[ml_end - q - 1] = '\0';
+ multilib_os_dir = new_multilib_os_dir;
+ }
if (q2 < end && *q2 == ':')
{
if (*p == '\0')
{
invalid_select:
- fatal_error ("multilib select %qs is invalid", multilib_select);
+ fatal_error (input_location,
+ "multilib select %qs is invalid", multilib_select);
}
++p;
if (*e == '\0')
{
invalid_exclusion:
- fatal_error ("multilib exclusion %qs is invalid",
+ fatal_error (input_location,
+ "multilib exclusion %qs is invalid",
multilib_exclusions);
}
value = getenv (argv[0]);
if (!value)
- fatal_error ("environment variable %qs not defined", argv[0]);
+ fatal_error (input_location,
+ "environment variable %qs not defined", argv[0]);
/* We have to escape every character of the environment variable so
they are not interpreted as active spec characters. A
return NULL;
if (strcmp (argv[0], "address") == 0)
- return (flag_sanitize & SANITIZE_ADDRESS) ? "" : NULL;
+ return (flag_sanitize & SANITIZE_USER_ADDRESS) ? "" : NULL;
+ if (strcmp (argv[0], "kernel-address") == 0)
+ return (flag_sanitize & SANITIZE_KERNEL_ADDRESS) ? "" : NULL;
if (strcmp (argv[0], "thread") == 0)
return (flag_sanitize & SANITIZE_THREAD) ? "" : NULL;
if (strcmp (argv[0], "undefined") == 0)
- return (flag_sanitize & SANITIZE_UNDEFINED) ? "" : NULL;
+ return ((flag_sanitize & (SANITIZE_UNDEFINED | SANITIZE_NONDEFAULT))
+ && !flag_sanitize_undefined_trap_on_error) ? "" : NULL;
if (strcmp (argv[0], "leak") == 0)
return ((flag_sanitize
& (SANITIZE_ADDRESS | SANITIZE_LEAK | SANITIZE_THREAD))
abort ();
rresult = regexec (&r, v1, 0, NULL, 0);
if (rresult == REG_NOMATCH)
- fatal_error ("invalid version number %qs", v1);
+ fatal_error (input_location, "invalid version number %qs", v1);
else if (rresult != 0)
abort ();
rresult = regexec (&r, v2, 0, NULL, 0);
if (rresult == REG_NOMATCH)
- fatal_error ("invalid version number %qs", v2);
+ fatal_error (input_location, "invalid version number %qs", v2);
else if (rresult != 0)
abort ();
bool result;
if (argc < 3)
- fatal_error ("too few arguments to %%:version-compare");
+ fatal_error (input_location, "too few arguments to %%:version-compare");
if (argv[0][0] == '\0')
abort ();
if ((argv[0][1] == '<' || argv[0][1] == '>') && argv[0][0] != '!')
nargs = 2;
if (argc != nargs + 3)
- fatal_error ("too many arguments to %%:version-compare");
+ fatal_error (input_location, "too many arguments to %%:version-compare");
switch_len = strlen (argv[nargs + 1]);
for (i = 0; i < n_switches; i++)
break;
default:
- fatal_error ("unknown operator %qs in %%:version-compare", argv[0]);
+ fatal_error (input_location,
+ "unknown operator %qs in %%:version-compare", argv[0]);
}
if (! result)
return NULL;
static char random_seed[HOST_BITS_PER_WIDE_INT / 4 + 3];
if (arg != 0)
- fatal_error ("too many arguments to %%:compare-debug-dump-opt");
+ fatal_error (input_location,
+ "too many arguments to %%:compare-debug-dump-opt");
do_spec_2 ("%{fdump-final-insns=*:%*}");
do_spec_1 (" ", 0, NULL);
const char **argv ATTRIBUTE_UNUSED)
{
if (arg != 0)
- fatal_error ("too many arguments to %%:compare-debug-self-opt");
+ fatal_error (input_location,
+ "too many arguments to %%:compare-debug-self-opt");
if (compare_debug >= 0)
return NULL;
int len;
if (arg == 0)
- fatal_error ("too few arguments to %%:compare-debug-auxbase-opt");
+ fatal_error (input_location,
+ "too few arguments to %%:compare-debug-auxbase-opt");
if (arg != 1)
- fatal_error ("too many arguments to %%:compare-debug-auxbase-opt");
+ fatal_error (input_location,
+ "too many arguments to %%:compare-debug-auxbase-opt");
if (compare_debug >= 0)
return NULL;
len = strlen (argv[0]);
if (len < 3 || strcmp (argv[0] + len - 3, ".gk") != 0)
- fatal_error ("argument to %%:compare-debug-auxbase-opt "
+ fatal_error (input_location, "argument to %%:compare-debug-auxbase-opt "
"does not end in .gk");
if (debug_auxbase_opt)
int i;
if (argc != 2)
- fatal_error ("too few arguments to %%:replace-extension");
+ fatal_error (input_location, "too few arguments to %%:replace-extension");
name = xstrdup (argv[0]);
else
return orig;
}
+
+/* PR jit/64810.
+ Targets can provide configure-time default options in
+ OPTION_DEFAULT_SPECS. The jit needs to access these, but
+ they are expressed in the spec language.
+
+ Run just enough of the driver to be able to expand these
+ specs, and then call the callback CB on each
+ such option. The options strings are *without* a leading
+ '-' character e.g. ("march=x86-64"). Finally, clean up. */
+
+void
+driver_get_configure_time_options (void (*cb) (const char *option,
+ void *user_data),
+ void *user_data)
+{
+ size_t i;
+
+ obstack_init (&obstack);
+ gcc_obstack_init (&opts_obstack);
+ n_switches = 0;
+
+ for (i = 0; i < ARRAY_SIZE (option_default_specs); i++)
+ do_option_spec (option_default_specs[i].name,
+ option_default_specs[i].spec);
+
+ for (i = 0; (int) i < n_switches; i++)
+ {
+ gcc_assert (switches[i].part1);
+ (*cb) (switches[i].part1, user_data);
+ }
+
+ obstack_free (&opts_obstack, NULL);
+ obstack_free (&obstack, NULL);
+ n_switches = 0;
+}
projects / gcc.git / blobdiff