Factored out of collect2 by Rafael Espindola <espindola@google.com>
- This file is part of GCC.
+This file is part of GCC.
- GCC is free software; you can redistribute it and/or modify it under
- the terms of the GNU General Public License as published by the Free
- Software Foundation; either version 3, or (at your option) any later
- version.
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 3, or (at your option) any later
+version.
- GCC is distributed in the hope that it will be useful, but WITHOUT ANY
- WARRANTY; without even the implied warranty of MERCHANTABILITY or
- FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- for more details.
+GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+for more details.
- You should have received a copy of the GNU General Public License
- along with GCC; see the file COPYING3. If not see
- <http://www.gnu.org/licenses/>. */
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
/* This program is passed a gcc, a list of gcc arguments and a list of
we are in whopr mode or not modifies the arguments and needed and
prints a list of output files on stdout.
-Example:
-$ lto-wrapper gcc/xgcc -B gcc a.o b.o -o test -flto
+ Example:
-The above will print something like
-/tmp/ccwbQ8B2.lto.o
+ $ lto-wrapper gcc/xgcc -B gcc a.o b.o -o test -flto
-If WHOPR is used instead, more than one file might be produced
-./ccXj2DTk.lto.ltrans.o
-./ccCJuXGv.lto.ltrans.o
- */
+ The above will print something like
+ /tmp/ccwbQ8B2.lto.o
+
+ If WHOPR is used instead, more than one file might be produced
+ ./ccXj2DTk.lto.ltrans.o
+ ./ccCJuXGv.lto.ltrans.o
+*/
#include "config.h"
#include "system.h"
#include "simple-object.h"
#include "lto-section-names.h"
#include "collect-utils.h"
-#include <stdio.h>
-#include <unistd.h>
-
-#define MAPPER_FOR_GCC 1
-#include "mapper.h"
/* Environment variable, used for passing the names of offload targets from GCC
driver to lto-wrapper. */
const char tool_name[] = "lto-wrapper";
-/********************************************************************/
-
-// FIXME: Put in header somewhere, and maybe verify value
-static const location_t main_source_loc = 32;
-
-/* Our module mapper (created lazily). */
-module_client *mapper;
-
-static module_client *make_mapper (location_t loc);
-inline module_client *get_mapper (location_t loc) {
- auto *res = mapper;
- if (!res)
- res = make_mapper (loc);
- return res;
-}
-
-/********************************************************************/
-
-/* Create a new mapper connecting to OPTION. */
-
-module_client *
-make_mapper (location_t loc)
-{
- //const char *option = module_mapper_name;
- //if (!option)
- // option = getenv ("CXX_MODULE_MAPPER");
-
- const char *option = getenv ("CXX_MODULE_MAPPER");
- fprintf(stderr, "\tCXX_MODULE_MAPPER option: %s\n", option);
-
- //mapper = module_client::open_module_client(loc, option, &set_cmi_repo, (save_decoded_options[0].opt_index == OPT_SPECIAL_program_name) && save_decoded_options[0].arg != progname ? save_decoded_options[0].arg : nullptr);
-
- fprintf(stderr, "\tcalling module_client constructor\n");
- mapper = module_client::open_module_client(loc, option, nullptr, nullptr);
-
- return mapper;
-}
-
-
/* Delete tempfiles. Called from utils_cleanup. */
-void tool_cleanup (bool) {
+void
+tool_cleanup (bool)
+{
unsigned int i;
if (ltrans_output_file)
if (early_debug_object_names)
for (i = 0; i < num_deb_objs; ++i)
if (early_debug_object_names[i])
- maybe_unlink (early_debug_object_names[i]);
- for (i = 0; i < nr; ++i) {
- maybe_unlink (input_names[i]);
- if (output_names[i])
- maybe_unlink (output_names[i]);
- }
+ maybe_unlink (early_debug_object_names[i]);
+ for (i = 0; i < nr; ++i)
+ {
+ maybe_unlink (input_names[i]);
+ if (output_names[i])
+ maybe_unlink (output_names[i]);
+ }
}
-static void lto_wrapper_cleanup (void) {
+static void
+lto_wrapper_cleanup (void)
+{
utils_cleanup (false);
}
/* Unlink a temporary LTRANS file unless requested otherwise. */
-void maybe_unlink (const char *file) {
- if (!save_temps) {
- if (unlink_if_ordinary (file)
- && errno != ENOENT)
- fatal_error (input_location, "deleting LTRANS file %s: %m", file);
- }
+
+void
+maybe_unlink (const char *file)
+{
+ if (!save_temps)
+ {
+ if (unlink_if_ordinary (file)
+ && errno != ENOENT)
+ fatal_error (input_location, "deleting LTRANS file %s: %m", file);
+ }
else if (verbose)
fprintf (stderr, "[Leaving LTRANS %s]\n", file);
}
/* Create decoded options from the COLLECT_GCC and COLLECT_GCC_OPTIONS
environment. */
-static void get_options_from_collect_gcc_options (const char *collect_gcc,
- const char *collect_gcc_options, struct cl_decoded_option **decoded_options,
- unsigned int *decoded_options_count) {
-
+static void
+get_options_from_collect_gcc_options (const char *collect_gcc,
+ const char *collect_gcc_options,
+ struct cl_decoded_option **decoded_options,
+ unsigned int *decoded_options_count)
+{
struct obstack argv_obstack;
const char **argv;
int argc;
obstack_ptr_grow (&argv_obstack, collect_gcc);
parse_options_from_collect_gcc_options (collect_gcc_options,
- &argv_obstack, &argc);
+ &argv_obstack, &argc);
argv = XOBFINISH (&argv_obstack, const char **);
decode_cmdline_options_to_array (argc, (const char **)argv, CL_DRIVER,
- decoded_options, decoded_options_count);
+ decoded_options, decoded_options_count);
obstack_free (&argv_obstack, NULL);
}
/* Append OPTION to the options array DECODED_OPTIONS with size
DECODED_OPTIONS_COUNT. */
-static void append_option (struct cl_decoded_option **decoded_options,
- unsigned int *decoded_options_count, struct cl_decoded_option *option) {
-
+static void
+append_option (struct cl_decoded_option **decoded_options,
+ unsigned int *decoded_options_count,
+ struct cl_decoded_option *option)
+{
++*decoded_options_count;
*decoded_options
= (struct cl_decoded_option *)
- xrealloc (*decoded_options,
- (*decoded_options_count
- * sizeof (struct cl_decoded_option)));
+ xrealloc (*decoded_options,
+ (*decoded_options_count
+ * sizeof (struct cl_decoded_option)));
memcpy (&(*decoded_options)[*decoded_options_count - 1], option,
- sizeof (struct cl_decoded_option));
+ sizeof (struct cl_decoded_option));
}
/* Remove option number INDEX from DECODED_OPTIONS, update
DECODED_OPTIONS_COUNT. */
-static void remove_option (struct cl_decoded_option **decoded_options,
- int index, unsigned int *decoded_options_count) {
-
+static void
+remove_option (struct cl_decoded_option **decoded_options,
+ int index, unsigned int *decoded_options_count)
+{
--*decoded_options_count;
memmove (&(*decoded_options)[index + 1],
- &(*decoded_options)[index],
- sizeof (struct cl_decoded_option)
- * (*decoded_options_count - index));
+ &(*decoded_options)[index],
+ sizeof (struct cl_decoded_option)
+ * (*decoded_options_count - index));
}
/* Try to merge and complain about options FDECODED_OPTIONS when applied
ontop of DECODED_OPTIONS. */
-static void merge_and_complain (struct cl_decoded_option **decoded_options,
- unsigned int *decoded_options_count, struct cl_decoded_option *fdecoded_options,
- unsigned int fdecoded_options_count) {
-
+static void
+merge_and_complain (struct cl_decoded_option **decoded_options,
+ unsigned int *decoded_options_count,
+ struct cl_decoded_option *fdecoded_options,
+ unsigned int fdecoded_options_count)
+{
unsigned int i, j;
struct cl_decoded_option *pic_option = NULL;
struct cl_decoded_option *pie_option = NULL;
/* The following does what the old LTO option code did,
union all target and a selected set of common options. */
- for (i = 0; i < fdecoded_options_count; ++i) {
- struct cl_decoded_option *foption = &fdecoded_options[i];
- switch (foption->opt_index) {
- case OPT_SPECIAL_unknown:
- case OPT_SPECIAL_ignore:
- case OPT_SPECIAL_warn_removed:
- case OPT_SPECIAL_program_name:
- case OPT_SPECIAL_input_file:
- break;
-
- default:
- if (!(cl_options[foption->opt_index].flags & CL_TARGET))
- break;
-
- /* Fallthru. */
- case OPT_fdiagnostics_show_caret:
- case OPT_fdiagnostics_show_labels:
- case OPT_fdiagnostics_show_line_numbers:
- case OPT_fdiagnostics_show_option:
- case OPT_fdiagnostics_show_location_:
- case OPT_fshow_column:
- case OPT_fcommon:
- case OPT_fgnu_tm:
- case OPT_g:
- /* Do what the old LTO code did - collect exactly one option
- setting per OPT code, we pick the first we encounter.
- ??? This doesn't make too much sense, but when it doesn't
- then we should complain. */
- for (j = 0; j < *decoded_options_count; ++j)
- if ((*decoded_options)[j].opt_index == foption->opt_index)
- break;
- if (j == *decoded_options_count)
- append_option (decoded_options, decoded_options_count, foption);
- break;
-
- /* Figure out what PIC/PIE level wins and merge the results. */
- case OPT_fPIC:
- case OPT_fpic:
- pic_option = foption;
- break;
- case OPT_fPIE:
- case OPT_fpie:
- pie_option = foption;
- break;
-
- case OPT_fopenmp:
- case OPT_fopenacc:
- /* For selected options we can merge conservatively. */
- for (j = 0; j < *decoded_options_count; ++j)
- if ((*decoded_options)[j].opt_index == foption->opt_index)
- break;
- if (j == *decoded_options_count)
- append_option (decoded_options, decoded_options_count, foption);
- /* -fopenmp > -fno-openmp,
- -fopenacc > -fno-openacc */
- else if (foption->value > (*decoded_options)[j].value)
- (*decoded_options)[j] = *foption;
- break;
-
- case OPT_fopenacc_dim_:
- /* Append or check identical. */
- for (j = 0; j < *decoded_options_count; ++j)
- if ((*decoded_options)[j].opt_index == foption->opt_index)
- break;
- if (j == *decoded_options_count)
- append_option (decoded_options, decoded_options_count, foption);
- else if (strcmp ((*decoded_options)[j].arg, foption->arg))
- fatal_error (input_location,
- "option %s with different values",
- foption->orig_option_with_args_text);
- break;
-
- case OPT_O:
- case OPT_Ofast:
- case OPT_Og:
- case OPT_Os:
- for (j = 0; j < *decoded_options_count; ++j)
- if ((*decoded_options)[j].opt_index == OPT_O
- || (*decoded_options)[j].opt_index == OPT_Ofast
- || (*decoded_options)[j].opt_index == OPT_Og
- || (*decoded_options)[j].opt_index == OPT_Os)
- break;
- if (j == *decoded_options_count)
- append_option (decoded_options, decoded_options_count, foption);
- else if ((*decoded_options)[j].opt_index == foption->opt_index
- && foption->opt_index != OPT_O)
- /* Exact same options get merged. */
- ;
- else {
- /* For mismatched option kinds preserve the optimization
- level only, thus merge it as -On. This also handles
- merging of same optimization level -On. */
- int level = 0;
- switch (foption->opt_index) {
- case OPT_O:
- if (foption->arg[0] == '\0')
- level = MAX (level, 1);
- else
- level = MAX (level, atoi (foption->arg));
- break;
- case OPT_Ofast:
- level = MAX (level, 3);
- break;
- case OPT_Og:
- level = MAX (level, 1);
- break;
- case OPT_Os:
- level = MAX (level, 2);
- break;
- default:
- gcc_unreachable ();
- }
- switch ((*decoded_options)[j].opt_index) {
- case OPT_O:
- if ((*decoded_options)[j].arg[0] == '\0')
- level = MAX (level, 1);
- else
- level = MAX (level, atoi ((*decoded_options)[j].arg));
- break;
- case OPT_Ofast:
- level = MAX (level, 3);
- break;
- case OPT_Og:
- level = MAX (level, 1);
- break;
- case OPT_Os:
- level = MAX (level, 2);
- break;
- default:
- gcc_unreachable ();
- }
- (*decoded_options)[j].opt_index = OPT_O;
- char *tem;
- tem = xasprintf ("-O%d", level);
- (*decoded_options)[j].arg = &tem[2];
- (*decoded_options)[j].canonical_option[0] = tem;
- (*decoded_options)[j].value = 1;
- }
- break;
-
-
- case OPT_foffload_abi_:
- for (j = 0; j < *decoded_options_count; ++j)
- if ((*decoded_options)[j].opt_index == foption->opt_index)
- break;
- if (j == *decoded_options_count)
- append_option (decoded_options, decoded_options_count, foption);
- else if (foption->value != (*decoded_options)[j].value)
- fatal_error (input_location,
- "option %s not used consistently in all LTO input"
- " files", foption->orig_option_with_args_text);
- break;
-
-
- case OPT_foffload_:
- append_option (decoded_options, decoded_options_count, foption);
- break;
+ for (i = 0; i < fdecoded_options_count; ++i)
+ {
+ struct cl_decoded_option *foption = &fdecoded_options[i];
+ switch (foption->opt_index)
+ {
+ case OPT_SPECIAL_unknown:
+ case OPT_SPECIAL_ignore:
+ case OPT_SPECIAL_warn_removed:
+ case OPT_SPECIAL_program_name:
+ case OPT_SPECIAL_input_file:
+ break;
+
+ default:
+ if (!(cl_options[foption->opt_index].flags & CL_TARGET))
+ break;
+
+ /* Fallthru. */
+ case OPT_fdiagnostics_show_caret:
+ case OPT_fdiagnostics_show_labels:
+ case OPT_fdiagnostics_show_line_numbers:
+ case OPT_fdiagnostics_show_option:
+ case OPT_fdiagnostics_show_location_:
+ case OPT_fshow_column:
+ case OPT_fcommon:
+ case OPT_fgnu_tm:
+ case OPT_g:
+ /* Do what the old LTO code did - collect exactly one option
+ setting per OPT code, we pick the first we encounter.
+ ??? This doesn't make too much sense, but when it doesn't
+ then we should complain. */
+ for (j = 0; j < *decoded_options_count; ++j)
+ if ((*decoded_options)[j].opt_index == foption->opt_index)
+ break;
+ if (j == *decoded_options_count)
+ append_option (decoded_options, decoded_options_count, foption);
+ break;
+
+ /* Figure out what PIC/PIE level wins and merge the results. */
+ case OPT_fPIC:
+ case OPT_fpic:
+ pic_option = foption;
+ break;
+ case OPT_fPIE:
+ case OPT_fpie:
+ pie_option = foption;
+ break;
+
+ case OPT_fopenmp:
+ case OPT_fopenacc:
+ /* For selected options we can merge conservatively. */
+ for (j = 0; j < *decoded_options_count; ++j)
+ if ((*decoded_options)[j].opt_index == foption->opt_index)
+ break;
+ if (j == *decoded_options_count)
+ append_option (decoded_options, decoded_options_count, foption);
+ /* -fopenmp > -fno-openmp,
+ -fopenacc > -fno-openacc */
+ else if (foption->value > (*decoded_options)[j].value)
+ (*decoded_options)[j] = *foption;
+ break;
+
+ case OPT_fopenacc_dim_:
+ /* Append or check identical. */
+ for (j = 0; j < *decoded_options_count; ++j)
+ if ((*decoded_options)[j].opt_index == foption->opt_index)
+ break;
+ if (j == *decoded_options_count)
+ append_option (decoded_options, decoded_options_count, foption);
+ else if (strcmp ((*decoded_options)[j].arg, foption->arg))
+ fatal_error (input_location,
+ "option %s with different values",
+ foption->orig_option_with_args_text);
+ break;
+
+ case OPT_O:
+ case OPT_Ofast:
+ case OPT_Og:
+ case OPT_Os:
+ for (j = 0; j < *decoded_options_count; ++j)
+ if ((*decoded_options)[j].opt_index == OPT_O
+ || (*decoded_options)[j].opt_index == OPT_Ofast
+ || (*decoded_options)[j].opt_index == OPT_Og
+ || (*decoded_options)[j].opt_index == OPT_Os)
+ break;
+ if (j == *decoded_options_count)
+ append_option (decoded_options, decoded_options_count, foption);
+ else if ((*decoded_options)[j].opt_index == foption->opt_index
+ && foption->opt_index != OPT_O)
+ /* Exact same options get merged. */
+ ;
+ else
+ {
+ /* For mismatched option kinds preserve the optimization
+ level only, thus merge it as -On. This also handles
+ merging of same optimization level -On. */
+ int level = 0;
+ switch (foption->opt_index)
+ {
+ case OPT_O:
+ if (foption->arg[0] == '\0')
+ level = MAX (level, 1);
+ else
+ level = MAX (level, atoi (foption->arg));
+ break;
+ case OPT_Ofast:
+ level = MAX (level, 3);
+ break;
+ case OPT_Og:
+ level = MAX (level, 1);
+ break;
+ case OPT_Os:
+ level = MAX (level, 2);
+ break;
+ default:
+ gcc_unreachable ();
+ }
+ switch ((*decoded_options)[j].opt_index)
+ {
+ case OPT_O:
+ if ((*decoded_options)[j].arg[0] == '\0')
+ level = MAX (level, 1);
+ else
+ level = MAX (level, atoi ((*decoded_options)[j].arg));
+ break;
+ case OPT_Ofast:
+ level = MAX (level, 3);
+ break;
+ case OPT_Og:
+ level = MAX (level, 1);
+ break;
+ case OPT_Os:
+ level = MAX (level, 2);
+ break;
+ default:
+ gcc_unreachable ();
+ }
+ (*decoded_options)[j].opt_index = OPT_O;
+ char *tem;
+ tem = xasprintf ("-O%d", level);
+ (*decoded_options)[j].arg = &tem[2];
+ (*decoded_options)[j].canonical_option[0] = tem;
+ (*decoded_options)[j].value = 1;
+ }
+ break;
+
+
+ case OPT_foffload_abi_:
+ for (j = 0; j < *decoded_options_count; ++j)
+ if ((*decoded_options)[j].opt_index == foption->opt_index)
+ break;
+ if (j == *decoded_options_count)
+ append_option (decoded_options, decoded_options_count, foption);
+ else if (foption->value != (*decoded_options)[j].value)
+ fatal_error (input_location,
+ "option %s not used consistently in all LTO input"
+ " files", foption->orig_option_with_args_text);
+ break;
+
+
+ case OPT_foffload_:
+ append_option (decoded_options, decoded_options_count, foption);
+ break;
+ }
}
- }
/* Merge PIC options:
- -fPIC + -fpic = -fpic
- -fPIC + -fno-pic = -fno-pic
- -fpic/-fPIC + nothing = nothing.
+ -fPIC + -fpic = -fpic
+ -fPIC + -fno-pic = -fno-pic
+ -fpic/-fPIC + nothing = nothing.
It is a common mistake to mix few -fPIC compiled objects into otherwise
non-PIC code. We do not want to build everything with PIC then.
Similarly we merge PIE options, however in addition we keep
- -fPIC + -fPIE = -fPIE
- -fpic + -fPIE = -fpie
- -fPIC/-fpic + -fpie = -fpie
+ -fPIC + -fPIE = -fPIE
+ -fpic + -fPIE = -fpie
+ -fPIC/-fpic + -fpie = -fpie
It would be good to warn on mismatches, but it is bit hard to do as
we do not know what nothing translates to. */
-
+
for (unsigned int j = 0; j < *decoded_options_count;)
if ((*decoded_options)[j].opt_index == OPT_fPIC
- || (*decoded_options)[j].opt_index == OPT_fpic) {
-
- /* -fno-pic in one unit implies -fno-pic everywhere. */
- if ((*decoded_options)[j].value == 0)
- j++;
- /* If we have no pic option or merge in -fno-pic, we still may turn
- existing pic/PIC mode into pie/PIE if -fpie/-fPIE is present. */
- else if ((pic_option && pic_option->value == 0) || !pic_option) {
- if (pie_option) {
- bool big = (*decoded_options)[j].opt_index == OPT_fPIC
- && pie_option->opt_index == OPT_fPIE;
- (*decoded_options)[j].opt_index = big ? OPT_fPIE : OPT_fpie;
- if (pie_option->value)
- (*decoded_options)[j].canonical_option[0] = big ? "-fPIE" : "-fpie";
- else
- (*decoded_options)[j].canonical_option[0] = "-fno-pie";
- (*decoded_options)[j].value = pie_option->value;
- j++;
- }
- else if (pic_option) {
- (*decoded_options)[j] = *pic_option;
- j++;
- }
- /* We do not know if target defaults to pic or not, so just remove
- option if it is missing in one unit but enabled in other. */
- else
- remove_option (decoded_options, j, decoded_options_count);
- }
- else if (pic_option->opt_index == OPT_fpic &&
- (*decoded_options)[j].opt_index == OPT_fPIC) {
-
- (*decoded_options)[j] = *pic_option;
- j++;
- }
- else
- j++;
- }
- else if ((*decoded_options)[j].opt_index == OPT_fPIE
- || (*decoded_options)[j].opt_index == OPT_fpie) {
- /* -fno-pie in one unit implies -fno-pie everywhere. */
- if ((*decoded_options)[j].value == 0)
- j++;
- /* If we have no pie option or merge in -fno-pie, we still preserve
- PIE/pie if pic/PIC is present. */
- else if ((pie_option && pie_option->value == 0) || !pie_option) {
- /* If -fPIC/-fpic is given, merge it with -fPIE/-fpie. */
- if (pic_option) {
- if (pic_option->opt_index == OPT_fpic &&
- (*decoded_options)[j].opt_index == OPT_fPIE) {
-
- (*decoded_options)[j].opt_index = OPT_fpie;
- (*decoded_options)[j].canonical_option[0] = pic_option->value ? "-fpie" : "-fno-pie";
- }
- else if (!pic_option->value)
- (*decoded_options)[j].canonical_option[0] = "-fno-pie";
- (*decoded_options)[j].value = pic_option->value;
- j++;
- }
- else if (pie_option)
- {
- (*decoded_options)[j] = *pie_option;
- j++;
- }
- /* Because we always append pic/PIE options this code path should
- not happen unless the LTO object was built by old lto1 which
- did not contain that logic yet. */
- else
- remove_option (decoded_options, j, decoded_options_count);
+ || (*decoded_options)[j].opt_index == OPT_fpic)
+ {
+ /* -fno-pic in one unit implies -fno-pic everywhere. */
+ if ((*decoded_options)[j].value == 0)
+ j++;
+ /* If we have no pic option or merge in -fno-pic, we still may turn
+ existing pic/PIC mode into pie/PIE if -fpie/-fPIE is present. */
+ else if ((pic_option && pic_option->value == 0)
+ || !pic_option)
+ {
+ if (pie_option)
+ {
+ bool big = (*decoded_options)[j].opt_index == OPT_fPIC
+ && pie_option->opt_index == OPT_fPIE;
+ (*decoded_options)[j].opt_index = big ? OPT_fPIE : OPT_fpie;
+ if (pie_option->value)
+ (*decoded_options)[j].canonical_option[0]
+ = big ? "-fPIE" : "-fpie";
+ else
+ (*decoded_options)[j].canonical_option[0] = "-fno-pie";
+ (*decoded_options)[j].value = pie_option->value;
+ j++;
+ }
+ else if (pic_option)
+ {
+ (*decoded_options)[j] = *pic_option;
+ j++;
+ }
+ /* We do not know if target defaults to pic or not, so just remove
+ option if it is missing in one unit but enabled in other. */
+ else
+ remove_option (decoded_options, j, decoded_options_count);
+ }
+ else if (pic_option->opt_index == OPT_fpic
+ && (*decoded_options)[j].opt_index == OPT_fPIC)
+ {
+ (*decoded_options)[j] = *pic_option;
+ j++;
+ }
+ else
+ j++;
}
- else if (pie_option->opt_index == OPT_fpie
- && (*decoded_options)[j].opt_index == OPT_fPIE)
+ else if ((*decoded_options)[j].opt_index == OPT_fPIE
+ || (*decoded_options)[j].opt_index == OPT_fpie)
{
- (*decoded_options)[j] = *pie_option;
- j++;
+ /* -fno-pie in one unit implies -fno-pie everywhere. */
+ if ((*decoded_options)[j].value == 0)
+ j++;
+ /* If we have no pie option or merge in -fno-pie, we still preserve
+ PIE/pie if pic/PIC is present. */
+ else if ((pie_option && pie_option->value == 0)
+ || !pie_option)
+ {
+ /* If -fPIC/-fpic is given, merge it with -fPIE/-fpie. */
+ if (pic_option)
+ {
+ if (pic_option->opt_index == OPT_fpic
+ && (*decoded_options)[j].opt_index == OPT_fPIE)
+ {
+ (*decoded_options)[j].opt_index = OPT_fpie;
+ (*decoded_options)[j].canonical_option[0]
+ = pic_option->value ? "-fpie" : "-fno-pie";
+ }
+ else if (!pic_option->value)
+ (*decoded_options)[j].canonical_option[0] = "-fno-pie";
+ (*decoded_options)[j].value = pic_option->value;
+ j++;
+ }
+ else if (pie_option)
+ {
+ (*decoded_options)[j] = *pie_option;
+ j++;
+ }
+ /* Because we always append pic/PIE options this code path should
+ not happen unless the LTO object was built by old lto1 which
+ did not contain that logic yet. */
+ else
+ remove_option (decoded_options, j, decoded_options_count);
+ }
+ else if (pie_option->opt_index == OPT_fpie
+ && (*decoded_options)[j].opt_index == OPT_fPIE)
+ {
+ (*decoded_options)[j] = *pie_option;
+ j++;
+ }
+ else
+ j++;
}
- else
- j++;
- }
- else
- j++;
+ else
+ j++;
if (!xassembler_options_error)
for (i = j = 0; ; i++, j++)
- {
- for (; i < *decoded_options_count; i++)
- if ((*decoded_options)[i].opt_index == OPT_Xassembler)
- break;
-
- for (; j < fdecoded_options_count; j++)
- if (fdecoded_options[j].opt_index == OPT_Xassembler)
- break;
-
- if (i == *decoded_options_count && j == fdecoded_options_count)
- break;
- else if (i < *decoded_options_count && j == fdecoded_options_count) {
- warning (0, "Extra option to %<-Xassembler%>: %s,"
- " dropping all %<-Xassembler%> and %<-Wa%> options.",
- (*decoded_options)[i].arg);
- xassembler_options_error = true;
- break;
- }
- else if (i == *decoded_options_count && j < fdecoded_options_count) {
- warning (0, "Extra option to %<-Xassembler%>: %s,"
- " dropping all %<-Xassembler%> and %<-Wa%> options.",
- fdecoded_options[j].arg);
- xassembler_options_error = true;
- break;
- }
- else if (strcmp ((*decoded_options)[i].arg, fdecoded_options[j].arg)) {
- warning (0, "Options to %<-Xassembler%> do not match: %s, %s,"
- " dropping all %<-Xassembler%> and %<-Wa%> options.",
- (*decoded_options)[i].arg, fdecoded_options[j].arg);
- xassembler_options_error = true;
- break;
+ {
+ for (; i < *decoded_options_count; i++)
+ if ((*decoded_options)[i].opt_index == OPT_Xassembler)
+ break;
+
+ for (; j < fdecoded_options_count; j++)
+ if (fdecoded_options[j].opt_index == OPT_Xassembler)
+ break;
+
+ if (i == *decoded_options_count && j == fdecoded_options_count)
+ break;
+ else if (i < *decoded_options_count && j == fdecoded_options_count)
+ {
+ warning (0, "Extra option to %<-Xassembler%>: %s,"
+ " dropping all %<-Xassembler%> and %<-Wa%> options.",
+ (*decoded_options)[i].arg);
+ xassembler_options_error = true;
+ break;
+ }
+ else if (i == *decoded_options_count && j < fdecoded_options_count)
+ {
+ warning (0, "Extra option to %<-Xassembler%>: %s,"
+ " dropping all %<-Xassembler%> and %<-Wa%> options.",
+ fdecoded_options[j].arg);
+ xassembler_options_error = true;
+ break;
+ }
+ else if (strcmp ((*decoded_options)[i].arg, fdecoded_options[j].arg))
+ {
+ warning (0, "Options to %<-Xassembler%> do not match: %s, %s,"
+ " dropping all %<-Xassembler%> and %<-Wa%> options.",
+ (*decoded_options)[i].arg, fdecoded_options[j].arg);
+ xassembler_options_error = true;
+ break;
+ }
}
- }
}
/* Auxiliary function that frees elements of PTR and PTR itself.
N is number of elements to be freed. If PTR is NULL, nothing is freed.
If an element is NULL, subsequent elements are not freed. */
-static void ** free_array_of_ptrs (void **ptr, unsigned n) {
+static void **
+free_array_of_ptrs (void **ptr, unsigned n)
+{
if (!ptr)
return NULL;
- for (unsigned i = 0; i < n; i++) {
- if (!ptr[i])
- break;
- free (ptr[i]);
- }
+ for (unsigned i = 0; i < n; i++)
+ {
+ if (!ptr[i])
+ break;
+ free (ptr[i]);
+ }
free (ptr);
return NULL;
}
Tokens are assumed to be delimited by ':'. If APPEND is non-null,
append it to every token we find. */
-static unsigned parse_env_var (const char *str, char ***pvalues, const char *append) {
-
+static unsigned
+parse_env_var (const char *str, char ***pvalues, const char *append)
+{
const char *curval, *nextval;
char **values;
unsigned num = 1, i;
curval = strchr (str, ':');
- while (curval) {
- num++;
- curval = strchr (curval + 1, ':');
- }
+ while (curval)
+ {
+ num++;
+ curval = strchr (curval + 1, ':');
+ }
values = (char**) xmalloc (num * sizeof (char*));
curval = str;
nextval = strchr (curval, '\0');
int append_len = append ? strlen (append) : 0;
- for (i = 0; i < num; i++) {
- int l = nextval - curval;
- values[i] = (char*) xmalloc (l + 1 + append_len);
- memcpy (values[i], curval, l);
- values[i][l] = 0;
- if (append)
- strcat (values[i], append);
- curval = nextval + 1;
- nextval = strchr (curval, ':');
- if (nextval == NULL)
- nextval = strchr (curval, '\0');
- }
+ for (i = 0; i < num; i++)
+ {
+ int l = nextval - curval;
+ values[i] = (char*) xmalloc (l + 1 + append_len);
+ memcpy (values[i], curval, l);
+ values[i][l] = 0;
+ if (append)
+ strcat (values[i], append);
+ curval = nextval + 1;
+ nextval = strchr (curval, ':');
+ if (nextval == NULL)
+ nextval = strchr (curval, '\0');
+ }
*pvalues = values;
return num;
}
/* Append options OPTS from lto or offload_lto sections to ARGV_OBSTACK. */
-static void append_compiler_options (obstack *argv_obstack,
- struct cl_decoded_option *opts, unsigned int count) {
-
+static void
+append_compiler_options (obstack *argv_obstack, struct cl_decoded_option *opts,
+ unsigned int count)
+{
/* Append compiler driver arguments as far as they were merged. */
- for (unsigned int j = 1; j < count; ++j) {
- struct cl_decoded_option *option = &opts[j];
-
- /* File options have been properly filtered by lto-opts.c. */
- switch (option->opt_index) {
- /* Drop arguments that we want to take from the link line. */
- case OPT_flto_:
- case OPT_flto:
- case OPT_flto_partition_:
- continue;
-
- default:
- break;
- }
-
- /* For now do what the original LTO option code was doing - pass
- on any CL_TARGET flag and a few selected others. */
- switch (option->opt_index) {
- case OPT_fdiagnostics_show_caret:
- case OPT_fdiagnostics_show_labels:
- case OPT_fdiagnostics_show_line_numbers:
- case OPT_fdiagnostics_show_option:
- case OPT_fdiagnostics_show_location_:
- case OPT_fshow_column:
- case OPT_fPIC:
- case OPT_fpic:
- case OPT_fPIE:
- case OPT_fpie:
- case OPT_fcommon:
- case OPT_fgnu_tm:
- case OPT_fopenmp:
- case OPT_fopenacc:
- case OPT_fopenacc_dim_:
- case OPT_foffload_abi_:
- case OPT_g:
- case OPT_O:
- case OPT_Ofast:
- case OPT_Og:
- case OPT_Os:
- break;
-
- case OPT_Xassembler:
- /* When we detected a mismatch in assembler options between
- the input TU's fall back to previous behavior of ignoring them. */
- if (xassembler_options_error)
- continue;
- break;
-
- default:
- if (!(cl_options[option->opt_index].flags & CL_TARGET))
- continue;
+ for (unsigned int j = 1; j < count; ++j)
+ {
+ struct cl_decoded_option *option = &opts[j];
+
+ /* File options have been properly filtered by lto-opts.c. */
+ switch (option->opt_index)
+ {
+ /* Drop arguments that we want to take from the link line. */
+ case OPT_flto_:
+ case OPT_flto:
+ case OPT_flto_partition_:
+ continue;
+
+ default:
+ break;
+ }
+
+ /* For now do what the original LTO option code was doing - pass
+ on any CL_TARGET flag and a few selected others. */
+ switch (option->opt_index)
+ {
+ case OPT_fdiagnostics_show_caret:
+ case OPT_fdiagnostics_show_labels:
+ case OPT_fdiagnostics_show_line_numbers:
+ case OPT_fdiagnostics_show_option:
+ case OPT_fdiagnostics_show_location_:
+ case OPT_fshow_column:
+ case OPT_fPIC:
+ case OPT_fpic:
+ case OPT_fPIE:
+ case OPT_fpie:
+ case OPT_fcommon:
+ case OPT_fgnu_tm:
+ case OPT_fopenmp:
+ case OPT_fopenacc:
+ case OPT_fopenacc_dim_:
+ case OPT_foffload_abi_:
+ case OPT_g:
+ case OPT_O:
+ case OPT_Ofast:
+ case OPT_Og:
+ case OPT_Os:
+ break;
+
+ case OPT_Xassembler:
+ /* When we detected a mismatch in assembler options between
+ the input TU's fall back to previous behavior of ignoring them. */
+ if (xassembler_options_error)
+ continue;
+ break;
+
+ default:
+ if (!(cl_options[option->opt_index].flags & CL_TARGET))
+ continue;
+ }
+
+ /* Pass the option on. */
+ for (unsigned int i = 0; i < option->canonical_option_num_elements; ++i)
+ obstack_ptr_grow (argv_obstack, option->canonical_option[i]);
}
-
- /* Pass the option on. */
- for (unsigned int i = 0; i < option->canonical_option_num_elements; ++i)
- obstack_ptr_grow (argv_obstack, option->canonical_option[i]);
- }
}
/* Append diag options in OPTS with length COUNT to ARGV_OBSTACK. */
-static void append_diag_options (obstack *argv_obstack,
- struct cl_decoded_option *opts, unsigned int count) {
+static void
+append_diag_options (obstack *argv_obstack, struct cl_decoded_option *opts,
+ unsigned int count)
+{
/* Append compiler driver arguments as far as they were merged. */
- for (unsigned int j = 1; j < count; ++j) {
- struct cl_decoded_option *option = &opts[j];
-
- switch (option->opt_index) {
- case OPT_fdiagnostics_color_:
- case OPT_fdiagnostics_format_:
- case OPT_fdiagnostics_show_caret:
- case OPT_fdiagnostics_show_labels:
- case OPT_fdiagnostics_show_line_numbers:
- case OPT_fdiagnostics_show_option:
- case OPT_fdiagnostics_show_location_:
- case OPT_fshow_column:
- break;
- default:
- continue;
+ for (unsigned int j = 1; j < count; ++j)
+ {
+ struct cl_decoded_option *option = &opts[j];
+
+ switch (option->opt_index)
+ {
+ case OPT_fdiagnostics_color_:
+ case OPT_fdiagnostics_format_:
+ case OPT_fdiagnostics_show_caret:
+ case OPT_fdiagnostics_show_labels:
+ case OPT_fdiagnostics_show_line_numbers:
+ case OPT_fdiagnostics_show_option:
+ case OPT_fdiagnostics_show_location_:
+ case OPT_fshow_column:
+ break;
+ default:
+ continue;
+ }
+
+ /* Pass the option on. */
+ for (unsigned int i = 0; i < option->canonical_option_num_elements; ++i)
+ obstack_ptr_grow (argv_obstack, option->canonical_option[i]);
}
-
- /* Pass the option on. */
- for (unsigned int i = 0; i < option->canonical_option_num_elements; ++i)
- obstack_ptr_grow (argv_obstack, option->canonical_option[i]);
- }
}
/* Append linker options OPTS to ARGV_OBSTACK. */
-static void append_linker_options (obstack *argv_obstack,
- struct cl_decoded_option *opts, unsigned int count) {
+static void
+append_linker_options (obstack *argv_obstack, struct cl_decoded_option *opts,
+ unsigned int count)
+{
/* Append linker driver arguments. Compiler options from the linker
driver arguments will override / merge with those from the compiler. */
- for (unsigned int j = 1; j < count; ++j) {
- struct cl_decoded_option *option = &opts[j];
-
- /* Do not pass on frontend specific flags not suitable for lto. */
- if (!(cl_options[option->opt_index].flags
- & (CL_COMMON|CL_TARGET|CL_DRIVER|CL_LTO)))
- continue;
-
- switch (option->opt_index) {
- case OPT_o:
- case OPT_flto_:
- case OPT_flto:
- /* We've handled these LTO options, do not pass them on. */
- continue;
-
- case OPT_fopenmp:
- case OPT_fopenacc:
- /* Ignore -fno-XXX form of these options, as otherwise
- corresponding builtins will not be enabled. */
- if (option->value == 0)
- continue;
- break;
-
- default:
- break;
+ for (unsigned int j = 1; j < count; ++j)
+ {
+ struct cl_decoded_option *option = &opts[j];
+
+ /* Do not pass on frontend specific flags not suitable for lto. */
+ if (!(cl_options[option->opt_index].flags
+ & (CL_COMMON|CL_TARGET|CL_DRIVER|CL_LTO)))
+ continue;
+
+ switch (option->opt_index)
+ {
+ case OPT_o:
+ case OPT_flto_:
+ case OPT_flto:
+ /* We've handled these LTO options, do not pass them on. */
+ continue;
+
+ case OPT_fopenmp:
+ case OPT_fopenacc:
+ /* Ignore -fno-XXX form of these options, as otherwise
+ corresponding builtins will not be enabled. */
+ if (option->value == 0)
+ continue;
+ break;
+
+ default:
+ break;
+ }
+
+ /* Pass the option on. */
+ for (unsigned int i = 0; i < option->canonical_option_num_elements; ++i)
+ obstack_ptr_grow (argv_obstack, option->canonical_option[i]);
}
-
- /* Pass the option on. */
- for (unsigned int i = 0; i < option->canonical_option_num_elements; ++i)
- obstack_ptr_grow (argv_obstack, option->canonical_option[i]);
- }
}
/* Extract options for TARGET offload compiler from OPTIONS and append
them to ARGV_OBSTACK. */
-static void append_offload_options (obstack *argv_obstack, const char *target,
- struct cl_decoded_option *options, unsigned int options_count) {
-
- for (unsigned i = 0; i < options_count; i++) {
- const char *cur, *next, *opts;
- char **argv;
- unsigned argc;
- struct cl_decoded_option *option = &options[i];
-
- if (option->opt_index != OPT_foffload_)
- continue;
-
- /* If option argument starts with '-' then no target is specified. That
- means offload options are specified for all targets, so we need to
- append them. */
- if (option->arg[0] == '-')
- opts = option->arg;
- else {
- opts = strchr (option->arg, '=');
- /* If there are offload targets specified, but no actual options,
- there is nothing to do here. */
- if (!opts)
- continue;
-
- cur = option->arg;
-
- while (cur < opts) {
- next = strchr (cur, ',');
- if (next == NULL)
- next = opts;
- next = (next > opts) ? opts : next;
-
- /* Are we looking for this offload target? */
- if (strlen (target) == (size_t) (next - cur) && strncmp (target, cur, next - cur) == 0)
- break;
-
- /* Skip the comma or equal sign. */
- cur = next + 1;
- }
-
- if (cur >= opts)
- continue;
-
- opts++;
+static void
+append_offload_options (obstack *argv_obstack, const char *target,
+ struct cl_decoded_option *options,
+ unsigned int options_count)
+{
+ for (unsigned i = 0; i < options_count; i++)
+ {
+ const char *cur, *next, *opts;
+ char **argv;
+ unsigned argc;
+ struct cl_decoded_option *option = &options[i];
+
+ if (option->opt_index != OPT_foffload_)
+ continue;
+
+ /* If option argument starts with '-' then no target is specified. That
+ means offload options are specified for all targets, so we need to
+ append them. */
+ if (option->arg[0] == '-')
+ opts = option->arg;
+ else
+ {
+ opts = strchr (option->arg, '=');
+ /* If there are offload targets specified, but no actual options,
+ there is nothing to do here. */
+ if (!opts)
+ continue;
+
+ cur = option->arg;
+
+ while (cur < opts)
+ {
+ next = strchr (cur, ',');
+ if (next == NULL)
+ next = opts;
+ next = (next > opts) ? opts : next;
+
+ /* Are we looking for this offload target? */
+ if (strlen (target) == (size_t) (next - cur)
+ && strncmp (target, cur, next - cur) == 0)
+ break;
+
+ /* Skip the comma or equal sign. */
+ cur = next + 1;
+ }
+
+ if (cur >= opts)
+ continue;
+
+ opts++;
+ }
+
+ argv = buildargv (opts);
+ for (argc = 0; argv[argc]; argc++)
+ obstack_ptr_grow (argv_obstack, argv[argc]);
}
-
- argv = buildargv (opts);
- for (argc = 0; argv[argc]; argc++)
- obstack_ptr_grow (argv_obstack, argv[argc]);
- }
}
/* Check whether NAME can be accessed in MODE. This is like access,
except that it never considers directories to be executable. */
-static int access_check (const char *name, int mode) {
- if (mode == X_OK) {
- struct stat st;
+static int
+access_check (const char *name, int mode)
+{
+ if (mode == X_OK)
+ {
+ struct stat st;
- if (stat (name, &st) < 0 || S_ISDIR (st.st_mode))
- return -1;
- }
+ if (stat (name, &st) < 0
+ || S_ISDIR (st.st_mode))
+ return -1;
+ }
return access (name, mode);
}
/* Prepare a target image for offload TARGET, using mkoffload tool from
COMPILER_PATH. Return the name of the resultant object file. */
-static char * compile_offload_image (const char *target, const char *compiler_path,
- unsigned in_argc, char *in_argv[],
- struct cl_decoded_option *compiler_opts,
- unsigned int compiler_opt_count,
- struct cl_decoded_option *linker_opts,
- unsigned int linker_opt_count) {
-
+static char *
+compile_offload_image (const char *target, const char *compiler_path,
+ unsigned in_argc, char *in_argv[],
+ struct cl_decoded_option *compiler_opts,
+ unsigned int compiler_opt_count,
+ struct cl_decoded_option *linker_opts,
+ unsigned int linker_opt_count)
+{
char *filename = NULL;
+ char *dumpbase;
char **argv;
- char *suffix = XALLOCAVEC (char, sizeof ("/accel//mkoffload") + strlen (target));
+ char *suffix
+ = XALLOCAVEC (char, sizeof ("/accel//mkoffload") + strlen (target));
strcpy (suffix, "/accel/");
strcat (suffix, target);
strcat (suffix, "/mkoffload");
const char *compiler = NULL;
for (unsigned i = 0; i < n_paths; i++)
- if (access_check (paths[i], X_OK) == 0) {
- compiler = paths[i];
- break;
- }
+ if (access_check (paths[i], X_OK) == 0)
+ {
+ compiler = paths[i];
+ break;
+ }
if (!compiler)
fatal_error (input_location,
- "could not find %s in %s (consider using %<-B%>)",
- suffix + 1, compiler_path);
+ "could not find %s in %s (consider using %<-B%>)",
+ suffix + 1, compiler_path);
+
+ dumpbase = concat (dumppfx, "x", target, NULL);
/* Generate temporary output file name. */
- filename = make_temp_file (".target.o");
+ if (save_temps)
+ filename = concat (dumpbase, ".o", NULL);
+ else
+ filename = make_temp_file (".target.o");
struct obstack argv_obstack;
obstack_init (&argv_obstack);
/* Append options from offload_lto sections. */
append_compiler_options (&argv_obstack, compiler_opts,
- compiler_opt_count);
+ compiler_opt_count);
append_diag_options (&argv_obstack, linker_opts, linker_opt_count);
+ obstack_ptr_grow (&argv_obstack, "-dumpbase");
+ obstack_ptr_grow (&argv_obstack, dumpbase);
+
/* Append options specified by -foffload last. In case of conflicting
options we expect offload compiler to choose the latest. */
append_offload_options (&argv_obstack, target, compiler_opts,
- compiler_opt_count);
+ compiler_opt_count);
append_offload_options (&argv_obstack, target, linker_opts,
- linker_opt_count);
+ linker_opt_count);
obstack_ptr_grow (&argv_obstack, NULL);
argv = XOBFINISH (&argv_obstack, char **);
IN_ARGV specify options and input object files. As all of them could contain
target sections, we pass them all to target compilers. */
-static void compile_images_for_offload_targets (unsigned in_argc,
- char *in_argv[], struct cl_decoded_option *compiler_opts,
- unsigned int compiler_opt_count, struct cl_decoded_option *linker_opts,
- unsigned int linker_opt_count) {
-
+static void
+compile_images_for_offload_targets (unsigned in_argc, char *in_argv[],
+ struct cl_decoded_option *compiler_opts,
+ unsigned int compiler_opt_count,
+ struct cl_decoded_option *linker_opts,
+ unsigned int linker_opt_count)
+{
char **names = NULL;
const char *target_names = getenv (OFFLOAD_TARGET_NAMES_ENV);
if (!target_names)
/* Prepare an image for each target and save the name of the resultant object
file to the OFFLOAD_NAMES array. It is terminated by a NULL entry. */
offload_names = XCNEWVEC (char *, num_targets + 1);
- for (unsigned i = 0; i < num_targets; i++) {
- /* HSA does not use LTO-like streaming and a different compiler, skip
- it. */
- if (strcmp (names[i], "hsa") == 0)
- continue;
-
- offload_names[next_name_entry]
- = compile_offload_image (names[i], compiler_path, in_argc, in_argv,
- compiler_opts, compiler_opt_count,
- linker_opts, linker_opt_count);
- if (!offload_names[next_name_entry])
- fatal_error (input_location,
- "problem with building target image for %s", names[i]);
- next_name_entry++;
- }
-
-out:
+ for (unsigned i = 0; i < num_targets; i++)
+ {
+ /* HSA does not use LTO-like streaming and a different compiler, skip
+ it. */
+ if (strcmp (names[i], "hsa") == 0)
+ continue;
+
+ offload_names[next_name_entry]
+ = compile_offload_image (names[i], compiler_path, in_argc, in_argv,
+ compiler_opts, compiler_opt_count,
+ linker_opts, linker_opt_count);
+ if (!offload_names[next_name_entry])
+ fatal_error (input_location,
+ "problem with building target image for %s", names[i]);
+ next_name_entry++;
+ }
+
+ out:
free_array_of_ptrs ((void **) names, num_targets);
}
/* Copy a file from SRC to DEST. */
-static void copy_file (const char *dest, const char *src)
-{
-FILE *d = fopen (dest, "wb");
-FILE *s = fopen (src, "rb");
-char buffer[512];
-while (!feof (s))
-{
-size_t len = fread (buffer, 1, 512, s);
-if (ferror (s) != 0)
- fatal_error (input_location, "reading input file");
-if (len > 0)
+
+static void
+copy_file (const char *dest, const char *src)
{
-fwrite (buffer, 1, len, d);
-if (ferror (d) != 0)
- fatal_error (input_location, "writing output file");
-}
-}
-fclose (d);
-fclose (s);
+ FILE *d = fopen (dest, "wb");
+ FILE *s = fopen (src, "rb");
+ char buffer[512];
+ while (!feof (s))
+ {
+ size_t len = fread (buffer, 1, 512, s);
+ if (ferror (s) != 0)
+ fatal_error (input_location, "reading input file");
+ if (len > 0)
+ {
+ fwrite (buffer, 1, len, d);
+ if (ferror (d) != 0)
+ fatal_error (input_location, "writing output file");
+ }
+ }
+ fclose (d);
+ fclose (s);
}
/* Find the crtoffloadtable.o file in LIBRARY_PATH, make copy and pass name of
the copy to the linker. */
-static void find_crtoffloadtable (void) {
+static void
+find_crtoffloadtable (void)
+{
char **paths = NULL;
const char *library_path = getenv ("LIBRARY_PATH");
if (!library_path)
unsigned i;
for (i = 0; i < n_paths; i++)
- if (access_check (paths[i], R_OK) == 0) {
- /* The linker will delete the filename we give it, so make a copy. */
- char *crtoffloadtable = make_temp_file (".crtoffloadtable.o");
- copy_file (crtoffloadtable, paths[i]);
- printf ("%s\n", crtoffloadtable);
- XDELETEVEC (crtoffloadtable);
- break;
- }
+ if (access_check (paths[i], R_OK) == 0)
+ {
+ /* The linker will delete the filename we give it, so make a copy. */
+ char *crtoffloadtable = make_temp_file (".crtoffloadtable.o");
+ copy_file (crtoffloadtable, paths[i]);
+ printf ("%s\n", crtoffloadtable);
+ XDELETEVEC (crtoffloadtable);
+ break;
+ }
if (i == n_paths)
fatal_error (input_location,
- "installation error, cannot find %<crtoffloadtable.o%>");
+ "installation error, cannot find %<crtoffloadtable.o%>");
free_array_of_ptrs ((void **) paths, n_paths);
}
otherwise. COLLECT_GCC holds the value of the environment variable with
the same name. */
-static bool find_and_merge_options (int fd, off_t file_offset,
- const char *prefix, struct cl_decoded_option **opts, unsigned int *opt_count,
- const char *collect_gcc) {
-
+static bool
+find_and_merge_options (int fd, off_t file_offset, const char *prefix,
+ struct cl_decoded_option **opts,
+ unsigned int *opt_count, const char *collect_gcc)
+{
off_t offset, length;
char *data;
char *fopts;
simple_object_read *sobj;
sobj = simple_object_start_read (fd, file_offset, "__GNU_LTO",
- &errmsg, &err);
+ &errmsg, &err);
if (!sobj)
return false;
strcpy (secname, prefix);
strcat (secname, ".opts");
if (!simple_object_find_section (sobj, secname, &offset, &length,
- &errmsg, &err)) {
- simple_object_release_read (sobj);
- return false;
- }
+ &errmsg, &err))
+ {
+ simple_object_release_read (sobj);
+ return false;
+ }
lseek (fd, file_offset + offset, SEEK_SET);
data = (char *)xmalloc (length);
read (fd, data, length);
fopts = data;
- do {
- struct cl_decoded_option *f2decoded_options;
- unsigned int f2decoded_options_count;
- get_options_from_collect_gcc_options (collect_gcc, fopts,
- &f2decoded_options,
- &f2decoded_options_count);
- if (!fdecoded_options) {
- fdecoded_options = f2decoded_options;
- fdecoded_options_count = f2decoded_options_count;
- }
- else
- merge_and_complain (&fdecoded_options,
- &fdecoded_options_count,
- f2decoded_options, f2decoded_options_count);
+ do
+ {
+ struct cl_decoded_option *f2decoded_options;
+ unsigned int f2decoded_options_count;
+ get_options_from_collect_gcc_options (collect_gcc, fopts,
+ &f2decoded_options,
+ &f2decoded_options_count);
+ if (!fdecoded_options)
+ {
+ fdecoded_options = f2decoded_options;
+ fdecoded_options_count = f2decoded_options_count;
+ }
+ else
+ merge_and_complain (&fdecoded_options,
+ &fdecoded_options_count,
+ f2decoded_options, f2decoded_options_count);
- fopts += strlen (fopts) + 1;
- }
+ fopts += strlen (fopts) + 1;
+ }
while (fopts - data < length);
free (data);
/* Copy early debug info sections from INFILE to a new file whose name
is returned. Return NULL on error. */
-const char * debug_objcopy (const char *infile, bool rename) {
+const char *
+debug_objcopy (const char *infile, bool rename)
+{
char *outfile;
const char *errmsg;
int err;
long loffset;
int consumed;
if ((p = strrchr (infile, '@'))
- && p != infile
- && sscanf (p, "@%li%n", &loffset, &consumed) >= 1
- && strlen (p) == (unsigned int) consumed) {
- char *fname = xstrdup (infile);
- fname[p - infile] = '\0';
- infile = fname;
- inoff = (off_t) loffset;
- }
+ && p != infile
+ && sscanf (p, "@%li%n", &loffset, &consumed) >= 1
+ && strlen (p) == (unsigned int) consumed)
+ {
+ char *fname = xstrdup (infile);
+ fname[p - infile] = '\0';
+ infile = fname;
+ inoff = (off_t) loffset;
+ }
int infd = open (infile, O_RDONLY | O_BINARY);
if (infd == -1)
return NULL;
simple_object_read *inobj = simple_object_start_read (infd, inoff,
- "__GNU_LTO",
- &errmsg, &err);
+ "__GNU_LTO",
+ &errmsg, &err);
if (!inobj)
return NULL;
off_t off, len;
if (simple_object_find_section (inobj, ".gnu.debuglto_.debug_info",
- &off, &len, &errmsg, &err) != 1) {
- if (errmsg)
- fatal_error (0, "%s: %s", errmsg, xstrerror (err));
+ &off, &len, &errmsg, &err) != 1)
+ {
+ if (errmsg)
+ fatal_error (0, "%s: %s", errmsg, xstrerror (err));
- simple_object_release_read (inobj);
- close (infd);
- return NULL;
- }
+ simple_object_release_read (inobj);
+ close (infd);
+ return NULL;
+ }
if (save_temps)
outfile = concat (orig_infile, ".debug.temp.o", NULL);
else
outfile = make_temp_file (".debug.temp.o");
errmsg = simple_object_copy_lto_debug_sections (inobj, outfile, &err, rename);
- if (errmsg) {
- unlink_if_ordinary (outfile);
- fatal_error (0, "%s: %s", errmsg, xstrerror (err));
- }
+ if (errmsg)
+ {
+ unlink_if_ordinary (outfile);
+ fatal_error (0, "%s: %s", errmsg, xstrerror (err));
+ }
simple_object_release_read (inobj);
close (infd);
/* Helper for qsort: compare priorities for parallel compilation. */
-int cmp_priority (const void *a, const void *b) {
+int
+cmp_priority (const void *a, const void *b)
+{
return *((const int *)b)-*((const int *)a);
}
cpu_set_t *cpusetp;
unsigned long
-static cpuset_popcount (unsigned long cpusetsize, cpu_set_t *cpusetp) {
+static cpuset_popcount (unsigned long cpusetsize, cpu_set_t *cpusetp)
+{
#ifdef CPU_COUNT_S
/* glibc 2.7 and above provide a macro for this. */
return CPU_COUNT_S (cpusetsize, cpusetp);
size_t i;
unsigned long ret = 0;
STATIC_ASSERT (sizeof (cpusetp->__bits[0]) == sizeof (unsigned long int));
- for (i = 0; i < cpusetsize / sizeof (cpusetp->__bits[0]); i++) {
- unsigned long int mask = cpusetp->__bits[i];
- if (mask == 0)
- continue;
- ret += __builtin_popcountl (mask);
- }
+ for (i = 0; i < cpusetsize / sizeof (cpusetp->__bits[0]); i++)
+ {
+ unsigned long int mask = cpusetp->__bits[i];
+ if (mask == 0)
+ continue;
+ ret += __builtin_popcountl (mask);
+ }
return ret;
#endif
}
/* At startup, determine the default number of threads. It would seem
this should be related to the number of cpus online. */
-static void init_num_threads (void) {
+static void
+init_num_threads (void)
+{
#ifdef HAVE_PTHREAD_AFFINITY_NP
#if defined (_SC_NPROCESSORS_CONF) && defined (CPU_ALLOC_SIZE)
cpuset_size = sysconf (_SC_NPROCESSORS_CONF);
#endif
cpusetp = (cpu_set_t *) xmalloc (gomp_cpuset_size);
- do {
- int ret = pthread_getaffinity_np (pthread_self (), gomp_cpuset_size,
- cpusetp);
- if (ret == 0) {
- /* Count only the CPUs this process can use. */
- nthreads_var = cpuset_popcount (cpuset_size, cpusetp);
- if (nthreads_var == 0)
- break;
- get_cpuset_size = cpuset_size;
+ do
+ {
+ int ret = pthread_getaffinity_np (pthread_self (), gomp_cpuset_size,
+ cpusetp);
+ if (ret == 0)
+ {
+ /* Count only the CPUs this process can use. */
+ nthreads_var = cpuset_popcount (cpuset_size, cpusetp);
+ if (nthreads_var == 0)
+ break;
+ get_cpuset_size = cpuset_size;
#ifdef CPU_ALLOC_SIZE
- unsigned long i;
- for (i = cpuset_size * 8; i; i--)
- if (CPU_ISSET_S (i - 1, cpuset_size, cpusetp))
- break;
- cpuset_size = CPU_ALLOC_SIZE (i);
+ unsigned long i;
+ for (i = cpuset_size * 8; i; i--)
+ if (CPU_ISSET_S (i - 1, cpuset_size, cpusetp))
+ break;
+ cpuset_size = CPU_ALLOC_SIZE (i);
#endif
- return;
- }
- if (ret != EINVAL)
- break;
+ return;
+ }
+ if (ret != EINVAL)
+ break;
#ifdef CPU_ALLOC_SIZE
- if (cpuset_size < sizeof (cpu_set_t))
- cpuset_size = sizeof (cpu_set_t);
- else
- cpuset_size = cpuset_size * 2;
- if (cpuset_size < 8 * sizeof (cpu_set_t))
- cpusetp
- = (cpu_set_t *) realloc (cpusetp, cpuset_size);
- else
- {
- /* Avoid fatal if too large memory allocation would be
- requested, e.g. kernel returning EINVAL all the time. */
- void *p = realloc (cpusetp, cpuset_size);
- if (p == NULL)
- break;
- cpusetp = (cpu_set_t *) p;
- }
+ if (cpuset_size < sizeof (cpu_set_t))
+ cpuset_size = sizeof (cpu_set_t);
+ else
+ cpuset_size = cpuset_size * 2;
+ if (cpuset_size < 8 * sizeof (cpu_set_t))
+ cpusetp
+ = (cpu_set_t *) realloc (cpusetp, cpuset_size);
+ else
+ {
+ /* Avoid fatal if too large memory allocation would be
+ requested, e.g. kernel returning EINVAL all the time. */
+ void *p = realloc (cpusetp, cpuset_size);
+ if (p == NULL)
+ break;
+ cpusetp = (cpu_set_t *) p;
+ }
#else
- break;
+ break;
#endif
- }
+ }
while (1);
cpuset_size = 0;
nthreads_var = 1;
/* Test and return reason why a jobserver cannot be detected. */
-static const char * jobserver_active_p (void) {
-#define JS_PREFIX "jobserver is not available: "
-#define JS_NEEDLE "--jobserver-auth="
+static const char *
+jobserver_active_p (void)
+{
+ #define JS_PREFIX "jobserver is not available: "
+ #define JS_NEEDLE "--jobserver-auth="
const char *makeflags = getenv ("MAKEFLAGS");
if (makeflags == NULL)
int wfd = -1;
if (sscanf (n + strlen (JS_NEEDLE), "%d,%d", &rfd, &wfd) == 2
- && rfd > 0
- && wfd > 0
- && is_valid_fd (rfd)
- && is_valid_fd (wfd))
+ && rfd > 0
+ && wfd > 0
+ && is_valid_fd (rfd)
+ && is_valid_fd (wfd))
return NULL;
else
return JS_PREFIX "cannot access %<" JS_NEEDLE "%> file descriptors";
/* Execute gcc. ARGC is the number of arguments. ARGV contains the arguments. */
-static void run_gcc (unsigned argc, char *argv[]) {
- fprintf(stderr, "JOHN PRINT: run_gcc\n");
-
+static void
+run_gcc (unsigned argc, char *argv[])
+{
unsigned i, j;
const char **new_argv;
const char **argv_ptr;
bool linker_output_rel = false;
bool skip_debug = false;
unsigned n_debugobj;
- const char *dumppfx = NULL, *incoming_dumppfx = NULL;
+ const char *incoming_dumppfx = dumppfx = NULL;
static char current_dir[] = { '.', DIR_SEPARATOR, '\0' };
/* Get the driver and options. */
collect_gcc = getenv ("COLLECT_GCC");
if (!collect_gcc)
fatal_error (input_location,
- "environment variable %<COLLECT_GCC%> must be set");
+ "environment variable %<COLLECT_GCC%> must be set");
collect_gcc_options = getenv ("COLLECT_GCC_OPTIONS");
if (!collect_gcc_options)
fatal_error (input_location,
- "environment variable %<COLLECT_GCC_OPTIONS%> must be set");
+ "environment variable %<COLLECT_GCC_OPTIONS%> must be set");
char *collect_as_options = getenv ("COLLECT_AS_OPTIONS");
/* Prepend -Xassembler to each option, and append the string
to collect_gcc_options. */
- if (collect_as_options) {
- obstack temporary_obstack;
- obstack_init (&temporary_obstack);
+ if (collect_as_options)
+ {
+ obstack temporary_obstack;
+ obstack_init (&temporary_obstack);
- prepend_xassembler_to_collect_as_options (collect_as_options,
- &temporary_obstack);
- obstack_1grow (&temporary_obstack, '\0');
+ prepend_xassembler_to_collect_as_options (collect_as_options,
+ &temporary_obstack);
+ obstack_1grow (&temporary_obstack, '\0');
- char *xassembler_opts_string
- = XOBFINISH (&temporary_obstack, char *);
- collect_gcc_options = concat (collect_gcc_options, xassembler_opts_string,
- NULL);
- }
+ char *xassembler_opts_string
+ = XOBFINISH (&temporary_obstack, char *);
+ collect_gcc_options = concat (collect_gcc_options, xassembler_opts_string,
+ NULL);
+ }
get_options_from_collect_gcc_options (collect_gcc, collect_gcc_options,
- &decoded_options,
- &decoded_options_count);
+ &decoded_options,
+ &decoded_options_count);
/* Allocate array for input object files with LTO IL,
and for possible preceding arguments. */
ltoobj_argv = XNEWVEC (char *, argc);
/* Look at saved options in the IL files. */
- for (i = 1; i < argc; ++i) {
- char *p;
- int fd;
- off_t file_offset = 0;
- long loffset;
- int consumed;
- char *filename = argv[i];
-
- if (strncmp (argv[i], "-foffload-objects=",
- sizeof ("-foffload-objects=") - 1) == 0) {
-
- have_offload = true;
- offload_objects_file_name
- = argv[i] + sizeof ("-foffload-objects=") - 1;
- continue;
- }
-
- if ((p = strrchr (argv[i], '@'))
- && p != argv[i]
- && sscanf (p, "@%li%n", &loffset, &consumed) >= 1
- && strlen (p) == (unsigned int) consumed) {
-
- filename = XNEWVEC (char, p - argv[i] + 1);
- memcpy (filename, argv[i], p - argv[i]);
- filename[p - argv[i]] = '\0';
- file_offset = (off_t) loffset;
- }
- fd = open (filename, O_RDONLY | O_BINARY);
- /* Linker plugin passes -fresolution and -flinker-output options.
- -flinker-output is passed only when user did not specify one and thus
- we do not need to worry about duplicities with the option handling
- below. */
- if (fd == -1) {
- lto_argv[lto_argc++] = argv[i];
- if (strcmp (argv[i], "-flinker-output=rel") == 0)
- linker_output_rel = true;
- continue;
- }
-
- if (find_and_merge_options (fd, file_offset, LTO_SECTION_NAME_PREFIX,
- &fdecoded_options, &fdecoded_options_count,
- collect_gcc)) {
- have_lto = true;
- ltoobj_argv[ltoobj_argc++] = argv[i];
+ for (i = 1; i < argc; ++i)
+ {
+ char *p;
+ int fd;
+ off_t file_offset = 0;
+ long loffset;
+ int consumed;
+ char *filename = argv[i];
+
+ if (strncmp (argv[i], "-foffload-objects=",
+ sizeof ("-foffload-objects=") - 1) == 0)
+ {
+ have_offload = true;
+ offload_objects_file_name
+ = argv[i] + sizeof ("-foffload-objects=") - 1;
+ continue;
+ }
+
+ if ((p = strrchr (argv[i], '@'))
+ && p != argv[i]
+ && sscanf (p, "@%li%n", &loffset, &consumed) >= 1
+ && strlen (p) == (unsigned int) consumed)
+ {
+ filename = XNEWVEC (char, p - argv[i] + 1);
+ memcpy (filename, argv[i], p - argv[i]);
+ filename[p - argv[i]] = '\0';
+ file_offset = (off_t) loffset;
+ }
+ fd = open (filename, O_RDONLY | O_BINARY);
+ /* Linker plugin passes -fresolution and -flinker-output options.
+ -flinker-output is passed only when user did not specify one and thus
+ we do not need to worry about duplicities with the option handling
+ below. */
+ if (fd == -1)
+ {
+ lto_argv[lto_argc++] = argv[i];
+ if (strcmp (argv[i], "-flinker-output=rel") == 0)
+ linker_output_rel = true;
+ continue;
+ }
+
+ if (find_and_merge_options (fd, file_offset, LTO_SECTION_NAME_PREFIX,
+ &fdecoded_options, &fdecoded_options_count,
+ collect_gcc))
+ {
+ have_lto = true;
+ ltoobj_argv[ltoobj_argc++] = argv[i];
+ }
+ close (fd);
}
- close (fd);
- }
/* Initalize the common arguments for the driver. */
obstack_init (&argv_obstack);
obstack_ptr_grow (&argv_obstack, "-c");
append_compiler_options (&argv_obstack, fdecoded_options,
- fdecoded_options_count);
+ fdecoded_options_count);
append_linker_options (&argv_obstack, decoded_options, decoded_options_count);
/* Scan linker driver arguments for things that are of relevance to us. */
- for (j = 1; j < decoded_options_count; ++j) {
- struct cl_decoded_option *option = &decoded_options[j];
- switch (option->opt_index) {
- case OPT_o:
- linker_output = option->arg;
- break;
-
- /* We don't have to distinguish between -save-temps=* and
- -save-temps, -dumpdir already carries that
- information. */
- case OPT_save_temps_:
- case OPT_save_temps:
- save_temps = 1;
- break;
-
- case OPT_v:
- verbose = 1;
- break;
-
- case OPT_flto_partition_:
- if (strcmp (option->arg, "none") == 0)
- no_partition = true;
- break;
-
- case OPT_flto_:
- if (strcmp (option->arg, "jobserver") == 0) {
- parallel = 1;
- jobserver = 1;
- }
- else if (strcmp (option->arg, "auto") == 0) {
- parallel = 1;
- auto_parallel = 1;
- }
- else {
- parallel = atoi (option->arg);
- if (parallel <= 1)
- parallel = 0;
- }
- /* Fallthru. */
-
- case OPT_flto:
- lto_mode = LTO_MODE_WHOPR;
- break;
-
- case OPT_flinker_output_:
- linker_output_rel = !strcmp (option->arg, "rel");
- break;
-
- case OPT_g:
- /* Recognize -g0. */
- skip_debug = option->arg && !strcmp (option->arg, "0");
- break;
-
- case OPT_dumpdir:
- incoming_dumppfx = dumppfx = option->arg;
- break;
-
- default:
- break;
+ for (j = 1; j < decoded_options_count; ++j)
+ {
+ struct cl_decoded_option *option = &decoded_options[j];
+ switch (option->opt_index)
+ {
+ case OPT_o:
+ linker_output = option->arg;
+ break;
+
+ /* We don't have to distinguish between -save-temps=* and
+ -save-temps, -dumpdir already carries that
+ information. */
+ case OPT_save_temps_:
+ case OPT_save_temps:
+ save_temps = 1;
+ break;
+
+ case OPT_v:
+ verbose = 1;
+ break;
+
+ case OPT_flto_partition_:
+ if (strcmp (option->arg, "none") == 0)
+ no_partition = true;
+ break;
+
+ case OPT_flto_:
+ if (strcmp (option->arg, "jobserver") == 0)
+ {
+ parallel = 1;
+ jobserver = 1;
+ }
+ else if (strcmp (option->arg, "auto") == 0)
+ {
+ parallel = 1;
+ auto_parallel = 1;
+ }
+ else
+ {
+ parallel = atoi (option->arg);
+ if (parallel <= 1)
+ parallel = 0;
+ }
+ /* Fallthru. */
+
+ case OPT_flto:
+ lto_mode = LTO_MODE_WHOPR;
+ break;
+
+ case OPT_flinker_output_:
+ linker_output_rel = !strcmp (option->arg, "rel");
+ break;
+
+ case OPT_g:
+ /* Recognize -g0. */
+ skip_debug = option->arg && !strcmp (option->arg, "0");
+ break;
+
+ case OPT_dumpdir:
+ incoming_dumppfx = dumppfx = option->arg;
+ break;
+
+ default:
+ break;
+ }
}
- }
/* Output lto-wrapper invocation command. */
- if (verbose) {
- for (i = 0; i < argc; ++i) {
- fputs (argv[i], stderr);
- fputc (' ', stderr);
+ if (verbose)
+ {
+ for (i = 0; i < argc; ++i)
+ {
+ fputs (argv[i], stderr);
+ fputc (' ', stderr);
+ }
+ fputc ('\n', stderr);
}
- fputc ('\n', stderr);
- }
if (linker_output_rel)
no_partition = true;
- if (no_partition) {
- lto_mode = LTO_MODE_LTO;
- jobserver = 0;
- auto_parallel = 0;
- parallel = 0;
- }
- else {
- const char *jobserver_error = jobserver_active_p ();
- if (jobserver && jobserver_error != NULL)
- warning (0, jobserver_error);
- else if (!jobserver && jobserver_error == NULL) {
- parallel = 1;
- jobserver = 1;
+ if (no_partition)
+ {
+ lto_mode = LTO_MODE_LTO;
+ jobserver = 0;
+ auto_parallel = 0;
+ parallel = 0;
}
- }
-
- if (!dumppfx) {
- if (!linker_output
- || strcmp (linker_output, HOST_BIT_BUCKET) == 0)
- dumppfx = "a.";
- else {
- const char *obase = lbasename (linker_output), *temp;
-
- /* Strip the executable extension. */
- size_t blen = strlen (obase), xlen;
- if ((temp = strrchr (obase + 1, '.'))
- && (xlen = strlen (temp))
- && (strcmp (temp, ".exe") == 0
+ else
+ {
+ const char *jobserver_error = jobserver_active_p ();
+ if (jobserver && jobserver_error != NULL)
+ warning (0, jobserver_error);
+ else if (!jobserver && jobserver_error == NULL)
+ {
+ parallel = 1;
+ jobserver = 1;
+ }
+ }
+
+ if (!dumppfx)
+ {
+ if (!linker_output
+ || strcmp (linker_output, HOST_BIT_BUCKET) == 0)
+ dumppfx = "a.";
+ else
+ {
+ const char *obase = lbasename (linker_output), *temp;
+
+ /* Strip the executable extension. */
+ size_t blen = strlen (obase), xlen;
+ if ((temp = strrchr (obase + 1, '.'))
+ && (xlen = strlen (temp))
+ && (strcmp (temp, ".exe") == 0
#if defined(HAVE_TARGET_EXECUTABLE_SUFFIX)
- || strcmp (temp, TARGET_EXECUTABLE_SUFFIX) == 0
+ || strcmp (temp, TARGET_EXECUTABLE_SUFFIX) == 0
#endif
- || strcmp (obase, "a.out") == 0))
- dumppfx = xstrndup (linker_output,
- obase - linker_output + blen - xlen + 1);
- else
- dumppfx = concat (linker_output, ".", NULL);
+ || strcmp (obase, "a.out") == 0))
+ dumppfx = xstrndup (linker_output,
+ obase - linker_output + blen - xlen + 1);
+ else
+ dumppfx = concat (linker_output, ".", NULL);
+ }
}
- }
/* If there's no directory component in the dumppfx, add one, so
that, when it is used as -dumpbase, it overrides any occurrence
-dumpbase overriding semantics. If we got an incoming -dumpdir
argument, we'll pass it on, so don't bother with another one
then. */
- if (!incoming_dumppfx) {
- obstack_ptr_grow (&argv_obstack, "-dumpdir");
- obstack_ptr_grow (&argv_obstack, "");
- }
+ if (!incoming_dumppfx)
+ {
+ obstack_ptr_grow (&argv_obstack, "-dumpdir");
+ obstack_ptr_grow (&argv_obstack, "");
+ }
obstack_ptr_grow (&argv_obstack, "-dumpbase");
/* Remember at which point we can scrub args to re-use the commons. */
new_head_argc = obstack_object_size (&argv_obstack) / sizeof (void *);
- if (have_offload) {
- unsigned i, num_offload_files;
- char **offload_argv;
- FILE *f;
-
- f = fopen (offload_objects_file_name, "r");
- if (f == NULL)
- fatal_error (input_location, "cannot open %s: %m",
- offload_objects_file_name);
- if (fscanf (f, "%u ", &num_offload_files) != 1)
- fatal_error (input_location, "cannot read %s: %m",
- offload_objects_file_name);
- offload_argv = XCNEWVEC (char *, num_offload_files);
-
- /* Read names of object files with offload. */
- for (i = 0; i < num_offload_files; i++) {
- const unsigned piece = 32;
- char *buf, *filename = XNEWVEC (char, piece);
- size_t len;
-
- buf = filename;
+ if (have_offload)
+ {
+ unsigned i, num_offload_files;
+ char **offload_argv;
+ FILE *f;
+
+ f = fopen (offload_objects_file_name, "r");
+ if (f == NULL)
+ fatal_error (input_location, "cannot open %s: %m",
+ offload_objects_file_name);
+ if (fscanf (f, "%u ", &num_offload_files) != 1)
+ fatal_error (input_location, "cannot read %s: %m",
+ offload_objects_file_name);
+ offload_argv = XCNEWVEC (char *, num_offload_files);
+
+ /* Read names of object files with offload. */
+ for (i = 0; i < num_offload_files; i++)
+ {
+ const unsigned piece = 32;
+ char *buf, *filename = XNEWVEC (char, piece);
+ size_t len;
+
+ buf = filename;
cont1:
- if (!fgets (buf, piece, f))
- break;
- len = strlen (filename);
- if (filename[len - 1] != '\n') {
- filename = XRESIZEVEC (char, filename, len + piece);
- buf = filename + len;
- goto cont1;
- }
- filename[len - 1] = '\0';
- offload_argv[i] = filename;
- }
- fclose (f);
- if (offload_argv[num_offload_files - 1] == NULL)
- fatal_error (input_location, "invalid format of %s",
- offload_objects_file_name);
- maybe_unlink (offload_objects_file_name);
- offload_objects_file_name = NULL;
-
- /* Look at saved offload options in files. */
- for (i = 0; i < num_offload_files; i++) {
- char *p;
- long loffset;
- int fd, consumed;
- off_t file_offset = 0;
- char *filename = offload_argv[i];
-
- if ((p = strrchr (offload_argv[i], '@'))
- && p != offload_argv[i]
- && sscanf (p, "@%li%n", &loffset, &consumed) >= 1
- && strlen (p) == (unsigned int) consumed) {
-
- filename = XNEWVEC (char, p - offload_argv[i] + 1);
- memcpy (filename, offload_argv[i], p - offload_argv[i]);
- filename[p - offload_argv[i]] = '\0';
- file_offset = (off_t) loffset;
- }
- fd = open (filename, O_RDONLY | O_BINARY);
- if (fd == -1)
- fatal_error (input_location, "cannot open %s: %m", filename);
- if (!find_and_merge_options (fd, file_offset,
- OFFLOAD_SECTION_NAME_PREFIX,
- &offload_fdecoded_options,
- &offload_fdecoded_options_count,
- collect_gcc))
- fatal_error (input_location, "cannot read %s: %m", filename);
- close (fd);
- if (filename != offload_argv[i])
- XDELETEVEC (filename);
+ if (!fgets (buf, piece, f))
+ break;
+ len = strlen (filename);
+ if (filename[len - 1] != '\n')
+ {
+ filename = XRESIZEVEC (char, filename, len + piece);
+ buf = filename + len;
+ goto cont1;
+ }
+ filename[len - 1] = '\0';
+ offload_argv[i] = filename;
+ }
+ fclose (f);
+ if (offload_argv[num_offload_files - 1] == NULL)
+ fatal_error (input_location, "invalid format of %s",
+ offload_objects_file_name);
+ maybe_unlink (offload_objects_file_name);
+ offload_objects_file_name = NULL;
+
+ /* Look at saved offload options in files. */
+ for (i = 0; i < num_offload_files; i++)
+ {
+ char *p;
+ long loffset;
+ int fd, consumed;
+ off_t file_offset = 0;
+ char *filename = offload_argv[i];
+
+ if ((p = strrchr (offload_argv[i], '@'))
+ && p != offload_argv[i]
+ && sscanf (p, "@%li%n", &loffset, &consumed) >= 1
+ && strlen (p) == (unsigned int) consumed)
+ {
+ filename = XNEWVEC (char, p - offload_argv[i] + 1);
+ memcpy (filename, offload_argv[i], p - offload_argv[i]);
+ filename[p - offload_argv[i]] = '\0';
+ file_offset = (off_t) loffset;
+ }
+ fd = open (filename, O_RDONLY | O_BINARY);
+ if (fd == -1)
+ fatal_error (input_location, "cannot open %s: %m", filename);
+ if (!find_and_merge_options (fd, file_offset,
+ OFFLOAD_SECTION_NAME_PREFIX,
+ &offload_fdecoded_options,
+ &offload_fdecoded_options_count,
+ collect_gcc))
+ fatal_error (input_location, "cannot read %s: %m", filename);
+ close (fd);
+ if (filename != offload_argv[i])
+ XDELETEVEC (filename);
+ }
+
+ compile_images_for_offload_targets (num_offload_files, offload_argv,
+ offload_fdecoded_options,
+ offload_fdecoded_options_count,
+ decoded_options,
+ decoded_options_count);
+
+ free_array_of_ptrs ((void **) offload_argv, num_offload_files);
+
+ if (offload_names)
+ {
+ find_crtoffloadtable ();
+ for (i = 0; offload_names[i]; i++)
+ printf ("%s\n", offload_names[i]);
+ free_array_of_ptrs ((void **) offload_names, i);
+ }
}
- compile_images_for_offload_targets (num_offload_files, offload_argv,
- offload_fdecoded_options,
- offload_fdecoded_options_count,
- decoded_options,
- decoded_options_count);
-
- free_array_of_ptrs ((void **) offload_argv, num_offload_files);
-
- if (offload_names) {
- find_crtoffloadtable ();
- for (i = 0; offload_names[i]; i++)
- printf ("%s\n", offload_names[i]);
- free_array_of_ptrs ((void **) offload_names, i);
- }
- }
-
/* If object files contain offload sections, but do not contain LTO sections,
then there is no need to perform a link-time recompilation, i.e.
lto-wrapper is used only for a compilation of offload images. */
if (have_offload && !have_lto)
goto finish;
- if (lto_mode == LTO_MODE_LTO) {
- /* -dumpbase argument for LTO. */
- flto_out = concat (dumppfx, "lto.o", NULL);
- obstack_ptr_grow (&argv_obstack, flto_out);
-
- if (!save_temps)
- flto_out = make_temp_file (".lto.o");
- obstack_ptr_grow (&argv_obstack, "-o");
- obstack_ptr_grow (&argv_obstack, flto_out);
- }
- else {
- const char *list_option = "-fltrans-output-list=";
-
- /* -dumpbase argument for WPA. */
- char *dumpbase = concat (dumppfx, "wpa", NULL);
- obstack_ptr_grow (&argv_obstack, dumpbase);
-
- if (save_temps)
- ltrans_output_file = concat (dumppfx, "ltrans.out", NULL);
- else
- ltrans_output_file = make_temp_file (".ltrans.out");
- list_option_full = concat (list_option, ltrans_output_file, NULL);
- obstack_ptr_grow (&argv_obstack, list_option_full);
-
- if (jobserver) {
- if (verbose)
- fprintf (stderr, "Using make jobserver\n");
- obstack_ptr_grow (&argv_obstack, xstrdup ("-fwpa=jobserver"));
- }
- else if (auto_parallel) {
- char buf[256];
- init_num_threads ();
- if (verbose)
- fprintf (stderr, "LTO parallelism level set to %ld\n",
- nthreads_var);
- sprintf (buf, "-fwpa=%ld", nthreads_var);
- obstack_ptr_grow (&argv_obstack, xstrdup (buf));
+ if (lto_mode == LTO_MODE_LTO)
+ {
+ /* -dumpbase argument for LTO. */
+ flto_out = concat (dumppfx, "lto.o", NULL);
+ obstack_ptr_grow (&argv_obstack, flto_out);
+
+ if (!save_temps)
+ flto_out = make_temp_file (".lto.o");
+ obstack_ptr_grow (&argv_obstack, "-o");
+ obstack_ptr_grow (&argv_obstack, flto_out);
}
- else if (parallel > 1) {
- char buf[256];
- sprintf (buf, "-fwpa=%i", parallel);
- obstack_ptr_grow (&argv_obstack, xstrdup (buf));
+ else
+ {
+ const char *list_option = "-fltrans-output-list=";
+
+ /* -dumpbase argument for WPA. */
+ char *dumpbase = concat (dumppfx, "wpa", NULL);
+ obstack_ptr_grow (&argv_obstack, dumpbase);
+
+ if (save_temps)
+ ltrans_output_file = concat (dumppfx, "ltrans.out", NULL);
+ else
+ ltrans_output_file = make_temp_file (".ltrans.out");
+ list_option_full = concat (list_option, ltrans_output_file, NULL);
+ obstack_ptr_grow (&argv_obstack, list_option_full);
+
+ if (jobserver)
+ {
+ if (verbose)
+ fprintf (stderr, "Using make jobserver\n");
+ obstack_ptr_grow (&argv_obstack, xstrdup ("-fwpa=jobserver"));
+ }
+ else if (auto_parallel)
+ {
+ char buf[256];
+ init_num_threads ();
+ if (verbose)
+ fprintf (stderr, "LTO parallelism level set to %ld\n",
+ nthreads_var);
+ sprintf (buf, "-fwpa=%ld", nthreads_var);
+ obstack_ptr_grow (&argv_obstack, xstrdup (buf));
+ }
+ else if (parallel > 1)
+ {
+ char buf[256];
+ sprintf (buf, "-fwpa=%i", parallel);
+ obstack_ptr_grow (&argv_obstack, xstrdup (buf));
+ }
+ else
+ obstack_ptr_grow (&argv_obstack, "-fwpa");
}
- else
- obstack_ptr_grow (&argv_obstack, "-fwpa");
- }
/* Append input arguments. */
for (i = 0; i < lto_argc; ++i)
files and append those to the partial link commandline. */
n_debugobj = 0;
early_debug_object_names = NULL;
- if (!skip_debug) {
- early_debug_object_names = XCNEWVEC (const char *, ltoobj_argc+ 1);
- num_deb_objs = ltoobj_argc;
- for (i = 0; i < ltoobj_argc; ++i) {
- const char *tem;
- if ((tem = debug_objcopy (ltoobj_argv[i], !linker_output_rel))) {
- early_debug_object_names[i] = tem;
- n_debugobj++;
- }
- }
- }
-
- if (lto_mode == LTO_MODE_LTO) {
- printf ("%s\n", flto_out);
- if (!skip_debug) {
+ if (! skip_debug)
+ {
+ early_debug_object_names = XCNEWVEC (const char *, ltoobj_argc+ 1);
+ num_deb_objs = ltoobj_argc;
for (i = 0; i < ltoobj_argc; ++i)
- if (early_debug_object_names[i] != NULL)
- printf ("%s\n", early_debug_object_names[i]);
+ {
+ const char *tem;
+ if ((tem = debug_objcopy (ltoobj_argv[i], !linker_output_rel)))
+ {
+ early_debug_object_names[i] = tem;
+ n_debugobj++;
+ }
+ }
}
- /* These now belong to collect2. */
- free (flto_out);
- flto_out = NULL;
- free (early_debug_object_names);
- early_debug_object_names = NULL;
- }
- else {
- FILE *stream = fopen (ltrans_output_file, "r");
- FILE *mstream = NULL;
- struct obstack env_obstack;
- int priority;
-
- if (!stream)
- fatal_error (input_location, "%<fopen%>: %s: %m", ltrans_output_file);
-
- /* Parse the list of LTRANS inputs from the WPA stage. */
- obstack_init (&env_obstack);
- nr = 0;
- for (;;) {
- const unsigned piece = 32;
- char *output_name = NULL;
- char *buf, *input_name = (char *)xmalloc (piece);
- size_t len;
-
- buf = input_name;
- if (fscanf (stream, "%i\n", &priority) != 1) {
- if (!feof (stream))
- fatal_error (input_location,
- "corrupted ltrans output file %s",
- ltrans_output_file);
- break;
- }
-cont:
- if (!fgets (buf, piece, stream))
- break;
- len = strlen (input_name);
- if (input_name[len - 1] != '\n') {
- input_name = (char *)xrealloc (input_name, len + piece);
- buf = input_name + len;
- goto cont;
- }
- input_name[len - 1] = '\0';
-
- if (input_name[0] == '*')
- output_name = &input_name[1];
-
- nr++;
- ltrans_priorities
- = (int *)xrealloc (ltrans_priorities, nr * sizeof (int) * 2);
- input_names = (char **)xrealloc (input_names, nr * sizeof (char *));
- output_names = (char **)xrealloc (output_names, nr * sizeof (char *));
- ltrans_priorities[(nr-1)*2] = priority;
- ltrans_priorities[(nr-1)*2+1] = nr-1;
- input_names[nr-1] = input_name;
- output_names[nr-1] = output_name;
- }
- fclose (stream);
- maybe_unlink (ltrans_output_file);
- ltrans_output_file = NULL;
-
- fprintf(stderr, "JOHN PRINT: parallel=%d\n", parallel);
-
- if (parallel) {
- makefile = make_temp_file (".mk");
- fprintf(stderr, "JOHN PRINT: created mk\n");
- mstream = fopen (makefile, "w");
- qsort (ltrans_priorities, nr, sizeof (int) * 2, cmp_priority);
- sleep(5);
- }
-
- fprintf(stderr, "\tcreating mapper\n");
- auto *mapper = get_mapper (main_source_loc);
- fprintf(stderr, "\tgot mapper\n");
- //char test[]="gcc test.c -o test";
- //mapper->Cork();
- //mapper->LTOCompile(test);
- //mapper->Uncork();
-
-
- /* Execute the LTRANS stage for each input file (or prepare a
- makefile to invoke this in parallel). */
- for (i = 0; i < nr; ++i) {
- char *output_name;
- char *input_name = input_names[i];
- /* If it's a pass-through file do nothing. */
- if (output_names[i])
- continue;
-
- /* Replace the .o suffix with a .ltrans.o suffix and write
- the resulting name to the LTRANS output list. */
- obstack_grow (&env_obstack, input_name, strlen (input_name) - 2);
- obstack_grow (&env_obstack, ".ltrans.o", sizeof (".ltrans.o"));
- output_name = XOBFINISH (&env_obstack, char *);
-
- /* Adjust the dumpbase if the linker output file was seen. */
- int dumpbase_len = (strlen (dumppfx) + sizeof (DUMPBASE_SUFFIX));
- char *dumpbase = (char *) xmalloc (dumpbase_len + 1);
- snprintf (dumpbase, dumpbase_len, "%sltrans%u.ltrans", dumppfx, i);
- argv_ptr[0] = dumpbase;
-
- argv_ptr[1] = "-fltrans";
- argv_ptr[2] = "-o";
- argv_ptr[3] = output_name;
- argv_ptr[4] = input_name;
- argv_ptr[5] = NULL;
- if (parallel) {
- fprintf (mstream, "%s:\n\t@%s ", output_name, new_argv[0]);
- for (j = 1; new_argv[j] != NULL; ++j)
- fprintf (mstream, " '%s'", new_argv[j]);
- fprintf (mstream, "\n");
- /* If we are not preserving the ltrans input files then
- truncate them as soon as we have processed it. This
- reduces temporary disk-space usage. */
- if (! save_temps)
- fprintf (mstream, "\t@-touch -r %s %s.tem > /dev/null 2>&1 "
- "&& mv %s.tem %s\n",
- input_name, input_name, input_name, input_name);
- }
- else {
-
- fprintf(stderr, "\tRAVI PRINT: %s ", new_argv[0]);
-
- mapper->Cork();
- mapper->LTOCompile(new_argv[0]);
-
- const char **arg_it = new_argv + 1;
-
- while(*arg_it != NULL) {
- //fprintf(stderr, "\tRAVI PRINT: %s\n", *arg_it);
- fprintf(stderr, " \'%s\' ", *arg_it);
- mapper->LTOCompile(*arg_it);
- arg_it++;
- }
- fprintf(stderr, "\n");
-
- mapper->Uncork();
-
- //fprintf(stderr, "\tRAVI PRINT: %s\n", new_argv[0]);
- fork_execute (new_argv[0], CONST_CAST (char **, new_argv), true);
- maybe_unlink (input_name);
- }
- output_names[i] = output_name;
+ if (lto_mode == LTO_MODE_LTO)
+ {
+ printf ("%s\n", flto_out);
+ if (!skip_debug)
+ {
+ for (i = 0; i < ltoobj_argc; ++i)
+ if (early_debug_object_names[i] != NULL)
+ printf ("%s\n", early_debug_object_names[i]);
+ }
+ /* These now belong to collect2. */
+ free (flto_out);
+ flto_out = NULL;
+ free (early_debug_object_names);
+ early_debug_object_names = NULL;
}
- if (parallel) {
- struct pex_obj *pex;
- char jobs[32];
-
- fprintf (mstream,
- ".PHONY: all\n"
- "all:");
- for (i = 0; i < nr; ++i) {
- int j = ltrans_priorities[i*2 + 1];
- fprintf (mstream, " \\\n\t%s", output_names[j]);
- }
- fprintf (mstream, "\n");
- fclose (mstream);
- fprintf(stderr, "JOHN PRINT: go check mstream!\n");
-
- sleep(60);
- if (!jobserver) {
- /* Avoid passing --jobserver-fd= and similar flags
- unless jobserver mode is explicitly enabled. */
- putenv (xstrdup ("MAKEFLAGS="));
- putenv (xstrdup ("MFLAGS="));
- }
-
- char **make_argv = buildargv (getenv ("MAKE"));
- if (make_argv) {
- for (unsigned argc = 0; make_argv[argc]; argc++)
- obstack_ptr_grow (&argv_obstack, make_argv[argc]);
- }
- else
- obstack_ptr_grow (&argv_obstack, "make");
-
- obstack_ptr_grow (&argv_obstack, "-f");
- obstack_ptr_grow (&argv_obstack, makefile);
- if (!jobserver) {
- snprintf (jobs, 31, "-j%ld",
- auto_parallel ? nthreads_var : parallel);
- obstack_ptr_grow (&argv_obstack, jobs);
- }
- obstack_ptr_grow (&argv_obstack, "all");
- obstack_ptr_grow (&argv_obstack, NULL);
- new_argv = XOBFINISH (&argv_obstack, const char **);
-
- pex = collect_execute (new_argv[0], CONST_CAST (char **, new_argv),
- NULL, NULL, PEX_SEARCH, false);
- do_wait (new_argv[0], pex);
- freeargv (make_argv);
- maybe_unlink (makefile);
- makefile = NULL;
+ else
+ {
+ FILE *stream = fopen (ltrans_output_file, "r");
+ FILE *mstream = NULL;
+ struct obstack env_obstack;
+ int priority;
+
+ if (!stream)
+ fatal_error (input_location, "%<fopen%>: %s: %m", ltrans_output_file);
+
+ /* Parse the list of LTRANS inputs from the WPA stage. */
+ obstack_init (&env_obstack);
+ nr = 0;
+ for (;;)
+ {
+ const unsigned piece = 32;
+ char *output_name = NULL;
+ char *buf, *input_name = (char *)xmalloc (piece);
+ size_t len;
+
+ buf = input_name;
+ if (fscanf (stream, "%i\n", &priority) != 1)
+ {
+ if (!feof (stream))
+ fatal_error (input_location,
+ "corrupted ltrans output file %s",
+ ltrans_output_file);
+ break;
+ }
+cont:
+ if (!fgets (buf, piece, stream))
+ break;
+ len = strlen (input_name);
+ if (input_name[len - 1] != '\n')
+ {
+ input_name = (char *)xrealloc (input_name, len + piece);
+ buf = input_name + len;
+ goto cont;
+ }
+ input_name[len - 1] = '\0';
+
+ if (input_name[0] == '*')
+ output_name = &input_name[1];
+
+ nr++;
+ ltrans_priorities
+ = (int *)xrealloc (ltrans_priorities, nr * sizeof (int) * 2);
+ input_names = (char **)xrealloc (input_names, nr * sizeof (char *));
+ output_names = (char **)xrealloc (output_names, nr * sizeof (char *));
+ ltrans_priorities[(nr-1)*2] = priority;
+ ltrans_priorities[(nr-1)*2+1] = nr-1;
+ input_names[nr-1] = input_name;
+ output_names[nr-1] = output_name;
+ }
+ fclose (stream);
+ maybe_unlink (ltrans_output_file);
+ ltrans_output_file = NULL;
+
+ if (parallel)
+ {
+ makefile = make_temp_file (".mk");
+ mstream = fopen (makefile, "w");
+ qsort (ltrans_priorities, nr, sizeof (int) * 2, cmp_priority);
+ }
+
+ /* Execute the LTRANS stage for each input file (or prepare a
+ makefile to invoke this in parallel). */
+ for (i = 0; i < nr; ++i)
+ {
+ char *output_name;
+ char *input_name = input_names[i];
+ /* If it's a pass-through file do nothing. */
+ if (output_names[i])
+ continue;
+
+ /* Replace the .o suffix with a .ltrans.o suffix and write
+ the resulting name to the LTRANS output list. */
+ obstack_grow (&env_obstack, input_name, strlen (input_name) - 2);
+ obstack_grow (&env_obstack, ".ltrans.o", sizeof (".ltrans.o"));
+ output_name = XOBFINISH (&env_obstack, char *);
+
+ /* Adjust the dumpbase if the linker output file was seen. */
+ int dumpbase_len = (strlen (dumppfx) + sizeof (DUMPBASE_SUFFIX));
+ char *dumpbase = (char *) xmalloc (dumpbase_len + 1);
+ snprintf (dumpbase, dumpbase_len, "%sltrans%u.ltrans", dumppfx, i);
+ argv_ptr[0] = dumpbase;
+
+ argv_ptr[1] = "-fltrans";
+ argv_ptr[2] = "-o";
+ argv_ptr[3] = output_name;
+ argv_ptr[4] = input_name;
+ argv_ptr[5] = NULL;
+ if (parallel)
+ {
+ fprintf (mstream, "%s:\n\t@%s ", output_name, new_argv[0]);
+ for (j = 1; new_argv[j] != NULL; ++j)
+ fprintf (mstream, " '%s'", new_argv[j]);
+ fprintf (mstream, "\n");
+ /* If we are not preserving the ltrans input files then
+ truncate them as soon as we have processed it. This
+ reduces temporary disk-space usage. */
+ if (! save_temps)
+ fprintf (mstream, "\t@-touch -r %s %s.tem > /dev/null 2>&1 "
+ "&& mv %s.tem %s\n",
+ input_name, input_name, input_name, input_name);
+ }
+ else
+ {
+ fork_execute (new_argv[0], CONST_CAST (char **, new_argv),
+ true);
+ maybe_unlink (input_name);
+ }
+
+ output_names[i] = output_name;
+ }
+ if (parallel)
+ {
+ struct pex_obj *pex;
+ char jobs[32];
+
+ fprintf (mstream,
+ ".PHONY: all\n"
+ "all:");
+ for (i = 0; i < nr; ++i)
+ {
+ int j = ltrans_priorities[i*2 + 1];
+ fprintf (mstream, " \\\n\t%s", output_names[j]);
+ }
+ fprintf (mstream, "\n");
+ fclose (mstream);
+ if (!jobserver)
+ {
+ /* Avoid passing --jobserver-fd= and similar flags
+ unless jobserver mode is explicitly enabled. */
+ putenv (xstrdup ("MAKEFLAGS="));
+ putenv (xstrdup ("MFLAGS="));
+ }
+
+ char **make_argv = buildargv (getenv ("MAKE"));
+ if (make_argv)
+ {
+ for (unsigned argc = 0; make_argv[argc]; argc++)
+ obstack_ptr_grow (&argv_obstack, make_argv[argc]);
+ }
+ else
+ obstack_ptr_grow (&argv_obstack, "make");
+
+ obstack_ptr_grow (&argv_obstack, "-f");
+ obstack_ptr_grow (&argv_obstack, makefile);
+ if (!jobserver)
+ {
+ snprintf (jobs, 31, "-j%ld",
+ auto_parallel ? nthreads_var : parallel);
+ obstack_ptr_grow (&argv_obstack, jobs);
+ }
+ obstack_ptr_grow (&argv_obstack, "all");
+ obstack_ptr_grow (&argv_obstack, NULL);
+ new_argv = XOBFINISH (&argv_obstack, const char **);
+
+ pex = collect_execute (new_argv[0], CONST_CAST (char **, new_argv),
+ NULL, NULL, PEX_SEARCH, false);
+ do_wait (new_argv[0], pex);
+ freeargv (make_argv);
+ maybe_unlink (makefile);
+ makefile = NULL;
+ for (i = 0; i < nr; ++i)
+ maybe_unlink (input_names[i]);
+ }
for (i = 0; i < nr; ++i)
- maybe_unlink (input_names[i]);
+ {
+ fputs (output_names[i], stdout);
+ putc ('\n', stdout);
+ free (input_names[i]);
+ }
+ if (!skip_debug)
+ {
+ for (i = 0; i < ltoobj_argc; ++i)
+ if (early_debug_object_names[i] != NULL)
+ printf ("%s\n", early_debug_object_names[i]);
+ }
+ nr = 0;
+ free (ltrans_priorities);
+ free (output_names);
+ output_names = NULL;
+ free (early_debug_object_names);
+ early_debug_object_names = NULL;
+ free (input_names);
+ free (list_option_full);
+ obstack_free (&env_obstack, NULL);
}
- for (i = 0; i < nr; ++i) {
- fputs (output_names[i], stdout);
- putc ('\n', stdout);
- free (input_names[i]);
- }
- if (!skip_debug) {
- for (i = 0; i < ltoobj_argc; ++i)
- if (early_debug_object_names[i] != NULL)
- printf ("%s\n", early_debug_object_names[i]);
- }
- nr = 0;
- free (ltrans_priorities);
- free (output_names);
- output_names = NULL;
- free (early_debug_object_names);
- early_debug_object_names = NULL;
- free (input_names);
- free (list_option_full);
- obstack_free (&env_obstack, NULL);
- }
-
-finish:
+ finish:
XDELETE (lto_argv);
obstack_free (&argv_obstack, NULL);
}
/* Entry point. */
-int main (int argc, char *argv[]) {
- fprintf(stderr, "JOHN PRINT: lto-wrapper\n");
-
- char cwd[PATH_MAX];
- if (getcwd(cwd, sizeof(cwd)) != NULL) {
- fprintf(stderr, "Current working dir: %s\n", cwd);
- } else {
- perror("getcwd() error");
- return 1;
- }
- fflush(stderr);
-
- sleep(5);
+int
+main (int argc, char *argv[])
+{
const char *p;
init_opts_obstack ();
+++ /dev/null
-/* C++ modules. Experimental!
- Copyright (C) 2018-2020 Free Software Foundation, Inc.
- Written by Nathan Sidwell <nathan@acm.org> while at FaceBook
-
- This file is part of GCC.
-
- GCC is free software; you can redistribute it and/or modify it
- under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3, or (at your option)
- any later version.
-
- GCC is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with GCC; see the file COPYING3. If not see
-<http://www.gnu.org/licenses/>. */
-
-#include "config.h"
-#include "mapper.h"
-
-// C++
-#include <set>
-#include <vector>
-// GCC
-#define INCLUDE_VECTOR
-#define INCLUDE_MAP
-#define INCLUDE_SET
-
-// Network
-/* Include network stuff first. Excitingly OSX10.14 uses bcmp here, which
- we poison later! */
-#if defined (HAVE_AF_UNIX) || defined (HAVE_AF_INET6)
-/* socket, bind, listen, accept{4} */
-# define NETWORKING 1
-# include <sys/socket.h>
-# ifdef HAVE_AF_UNIX
-/* sockaddr_un */
-# include <sys/un.h>
-# endif
-# include <netinet/in.h>
-# ifdef HAVE_AF_INET6
-/* sockaddr_in6, getaddrinfo, freeaddrinfo, gai_sterror, ntohs, htons. */
-# include <netdb.h>
-# endif
-#ifdef HAVE_INET_NTOP
-/* inet_ntop. */
-#include <arpa/inet.h>
-#endif
-#endif
-#ifndef HAVE_AF_INET6
-# define gai_strerror(X) ""
-#endif
-
-// Excitingly Darwin uses bcmp in its network headers, and we poison
-// that in our setup.
-#include "system.h"
-#include "version.h"
-#include "intl.h"
-#include <getopt.h>
-
-// Select or epoll
-#ifdef NETWORKING
-#ifdef HAVE_EPOLL
-/* epoll_create, epoll_ctl, epoll_pwait */
-#include <sys/epoll.h>
-#endif
-#if defined (HAVE_PSELECT) || defined (HAVE_SELECT)
-/* pselect or select */
-#include <sys/select.h>
-#endif
-#endif
-
-#ifndef HAVE_SIGHANDLER_T
-typedef void (*sighandler_t) (int);
-#endif
-
-struct netmask {
- in6_addr addr;
- unsigned bits;
-
- netmask (const in6_addr &a, unsigned b)
- {
- if (b > sizeof (in6_addr) * 8)
- b = sizeof (in6_addr) * 8;
- bits = b;
- unsigned byte = (b + 7) / 8;
- unsigned ix = 0;
- for (ix = 0; ix < byte; ix++)
- addr.s6_addr[ix] = a.s6_addr[ix];
- for (; ix != sizeof (in6_addr); ix++)
- addr.s6_addr[ix] = 0;
- if (b & 3)
- addr.s6_addr[b/7] &= (255 << 8) >> (b & 3);
- }
-
- bool includes (const in6_addr &a) const
- {
- unsigned byte = bits / 8;
- for (unsigned ix = 0; ix != byte; ix++)
- if (addr.s6_addr[ix] != a.s6_addr[ix])
- return false;
- if (bits & 3)
- if ((addr.s6_addr[byte] ^ a.s6_addr[byte]) >> (8 - (bits & 3)))
- return false;
- return true;
- }
-};
-
-/* Netmask comparison. */
-struct netmask_cmp {
- bool operator() (const netmask &a, const netmask &b) const
- {
- if (a.bits != b.bits)
- return a.bits < b.bits;
- for (unsigned ix = 0; ix != sizeof (in6_addr); ix++)
- if (a.addr.s6_addr[ix] != b.addr.s6_addr[ix])
- return a.addr.s6_addr[ix] < b.addr.s6_addr[ix];
- return false;
- }
-};
-
-typedef std::set<netmask, netmask_cmp> netmask_set_t;
-typedef std::vector<netmask> netmask_vec_t;
-
-const char *progname;
-
-/* Speak thoughts out loud. */
-static bool flag_noisy = false;
-
-/* One and done. */
-static bool flag_one = false;
-
-/* Serialize connections. */
-static bool flag_sequential = false;
-
-/* Fallback to default if map file is unrewarding. */
-static bool flag_fallback = false;
-
-/* Root binary directory. */
-static const char *flag_root = "gcm.cache";
-
-static netmask_set_t netmask_set;
-
-static netmask_vec_t accept_addrs;
-
-/* Strip out the source directory from FILE. */
-
-static const char *
-trim_src_file (const char *file)
-{
- static const char me[] = __FILE__;
- unsigned pos = 0;
-
- while (file[pos] == me[pos] && me[pos])
- pos++;
- while (pos && !IS_DIR_SEPARATOR (me[pos-1]))
- pos--;
-
- return file + pos;
-}
-
-/* Die screaming. */
-
-void ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF_1 ATTRIBUTE_COLD
-internal_error (const char *fmt, ...)
-{
- fprintf (stderr, "%s:Internal error ", progname);
- va_list args;
-
- va_start (args, fmt);
- vfprintf (stderr, fmt, args);
- va_end (args);
- fprintf (stderr, "\n");
-
- exit (FATAL_EXIT_CODE);
-}
-
-/* Hooked to from gcc_assert & gcc_unreachable. */
-
-void ATTRIBUTE_NORETURN ATTRIBUTE_COLD
-fancy_abort (const char *file, int line, const char *func)
-{
- internal_error ("in %s, at %s:%d", func, trim_src_file (file), line);
-}
-
-/* Exploded on a signal. */
-
-static void ATTRIBUTE_NORETURN ATTRIBUTE_COLD
-crash_signal (int sig)
-{
- signal (sig, SIG_DFL);
- internal_error ("signal %s", strsignal (sig));
-}
-
-/* A fatal error of some kind. */
-
-static void ATTRIBUTE_NORETURN ATTRIBUTE_COLD ATTRIBUTE_PRINTF_1
-error (const char *msg, ...)
-{
- fprintf (stderr, "%s:error: ", progname);
- va_list args;
-
- va_start (args, msg);
- vfprintf (stderr, msg, args);
- va_end (args);
- fprintf (stderr, "\n");
-
- exit (1);
-}
-
-/* Progress messages to the user. */
-static bool ATTRIBUTE_PRINTF_1 ATTRIBUTE_COLD
-noisy (const char *fmt, ...)
-{
- fprintf (stderr, "%s:", progname);
- va_list args;
- va_start (args, fmt);
- vfprintf (stderr, fmt, args);
- va_end (args);
- fprintf (stderr, "\n");
-
- return false;
-}
-
-/* More messages to the user. */
-
-static void ATTRIBUTE_PRINTF_2
-fnotice (FILE *file, const char *fmt, ...)
-{
- va_list args;
-
- va_start (args, fmt);
- vfprintf (file, _(fmt), args);
- va_end (args);
-}
-
-static void ATTRIBUTE_NORETURN
-print_usage (int error_p)
-{
- FILE *file = error_p ? stderr : stdout;
- int status = error_p ? FATAL_EXIT_CODE : SUCCESS_EXIT_CODE;
-
- fnotice (file, "Usage: cxx-mapper [OPTION...] [CONNECTION] [MAPPINGS...] \n\n");
- fnotice (file, "C++ Module Mapper.\n\n");
- fnotice (file, " -a, --accept Netmask to accept from\n");
- fnotice (file, " -f, --fallback Use fallback for missing mappings\n");
- fnotice (file, " -h, --help Print this help, then exit\n");
- fnotice (file, " -n, --noisy Print progress messages\n");
- fnotice (file, " -1, --one One connection and then exit\n");
- fnotice (file, " -r, --root DIR Root compiled module directory\n");
- fnotice (file, " -s, --sequential Process connections sequentially\n");
- fnotice (file, " -v, --version Print version number, then exit\n");
- fnotice (file, "Send SIGTERM(%d) to terminate\n", SIGTERM);
- fnotice (file, "\nFor bug reporting instructions, please see:\n%s.\n",
- bug_report_url);
- exit (status);
-}
-
-/* Print version information and exit. */
-
-static void ATTRIBUTE_NORETURN
-print_version (void)
-{
- fnotice (stdout, "cxx-mapper %s%s\n", pkgversion_string, version_string);
- fprintf (stdout, "Copyright %s 2018-2020 Free Software Foundation, Inc.\n",
- _("(C)"));
- fnotice (stdout,
- _("This is free software; see the source for copying conditions.\n"
- "There is NO warranty; not even for MERCHANTABILITY or \n"
- "FITNESS FOR A PARTICULAR PURPOSE.\n\n"));
- exit (SUCCESS_EXIT_CODE);
-}
-
-/* ARG is a netmask to accept from. Add it to the table. Return
- false if we fail to resolve it. */
-
-static bool
-accept_from (char *arg)
-{
- bool ok = true;
-#if HAVE_AF_INET6
- unsigned bits = sizeof (in6_addr) * 8;
- char *slash = strrchr (arg, '/');
- if (slash)
- {
- *slash = 0;
- if (slash[1])
- {
- char *endp;
- bits = strtoul (slash + 1, &endp, 0);
- }
- }
-
- addrinfo hints;
-
- hints.ai_flags = AI_NUMERICSERV;
- hints.ai_family = AF_INET6;
- hints.ai_socktype = SOCK_STREAM;
- hints.ai_protocol = 0;
- hints.ai_addrlen = 0;
- hints.ai_addr = NULL;
- hints.ai_canonname = NULL;
- hints.ai_next = NULL;
-
- struct addrinfo *addrs = NULL;
- if (int e = getaddrinfo (slash == arg ? NULL : arg, "0", &hints, &addrs))
- {
- noisy ("cannot resolve '%s': %s", arg, gai_strerror (e));
- ok = false;
- }
- else
- for (addrinfo *next = addrs; next; next = next->ai_next)
- if (next->ai_family == AF_INET6)
- {
- netmask mask (((const sockaddr_in6 *)next->ai_addr)->sin6_addr, bits);
- netmask_set.insert (mask);
- }
- freeaddrinfo (addrs);
-#endif
- return ok;
-}
-
-/* Process args, return index to first non-arg. */
-
-static int
-process_args (int argc, char **argv)
-{
- static const struct option options[] =
- {
- { "accept", required_argument, NULL, 'a' },
- { "fallback",no_argument, NULL, 'f' },
- { "help", no_argument, NULL, 'h' },
- { "noisy", no_argument, NULL, 'n' },
- { "one", no_argument, NULL, '1' },
- { "root", required_argument, NULL, 'r' },
- { "sequential", no_argument, NULL, 's' },
- { "version", no_argument, NULL, 'v' },
- { 0, 0, 0, 0 }
- };
- int opt;
- bool bad_accept = false;
- const char *opts = "a:fhn1r:sv";
- while ((opt = getopt_long (argc, argv, opts, options, NULL)) != -1)
- {
- switch (opt)
- {
- case 'a':
- if (!accept_from (optarg))
- bad_accept = true;
- break;
- case 'f':
- flag_fallback = true;
- break;
- case 'h':
- print_usage (false);
- /* print_usage will exit. */
- case 'n':
- flag_noisy = true;
- break;
- case '1':
- flag_one = true;
- break;
- case 'r':
- flag_root = optarg;
- break;
- case 's':
- flag_sequential = true;
- break;
- case 'v':
- print_version ();
- /* print_version will exit. */
- default:
- print_usage (true);
- /* print_usage will exit. */
- }
- }
-
- if (bad_accept)
- error ("failed to resolve all accept addresses");
-
- return optind;
-}
-
-/* Manipulate the EPOLL state, or do nothing, if there is epoll. */
-
-#ifdef HAVE_EPOLL
-static inline void
-do_epoll_ctl (int epoll_fd, int code, int event, int fd, unsigned data)
-{
- epoll_event ev;
- ev.events = event;
- ev.data.u32 = data;
- if (epoll_ctl (epoll_fd, code, fd, &ev))
- {
- noisy ("epoll_ctl error:%s", xstrerror (errno));
- gcc_unreachable ();
- }
-}
-#define my_epoll_ctl(EFD,C,EV,FD,CL) \
- ((EFD) >= 0 ? do_epoll_ctl (EFD,C,EV,FD,CL) : (void)0)
-#else
-#define my_epoll_ctl(EFD,C,EV,FD,CL) ((void)(EFD), (void)(FD), (void)(CL))
-#endif
-
-#ifdef NETWORKING
-/* We increment this to tell the server to shut down. */
-static volatile int term = false;
-static volatile int kill_sock_fd = -1;
-#if !defined (HAVE_PSELECT) && defined (HAVE_SELECT)
-static int term_pipe[2] = {-1, -1};
-#else
-#define term_pipe ((int *)NULL)
-#endif
-
-/* A terminate signal. Shutdown gracefully. */
-
-static void
-term_signal (int sig)
-{
- signal (sig, term_signal);
- term = term + 1;
- if (term_pipe && term_pipe[1] >= 0)
- write (term_pipe[1], &term_pipe[1], 1);
-}
-
-/* A kill signal. Shutdown immediately. */
-
-static void
-kill_signal (int sig)
-{
- signal (sig, SIG_DFL);
- int sock_fd = kill_sock_fd;
- if (sock_fd >= 0)
- close (sock_fd);
- exit (2);
-}
-
-bool process_server (Cody::Server *server, unsigned slot, int epoll_fd)
-{
- switch (server->GetDirection ())
- {
- case Cody::Server::READING:
- if (int err = server->Read ())
- return !(err == EINTR || err == EAGAIN);
- server->ProcessRequests ();
- server->PrepareToWrite ();
- break;
-
- case Cody::Server::WRITING:
- if (int err = server->Write ())
- return !(err == EINTR || err == EAGAIN);
- server->PrepareToRead ();
- break;
-
- default:
- // We should never get here
- return true;
- }
-
- // We've changed direction, so update epoll
- gcc_assert (server->GetFDRead () == server->GetFDWrite ());
- my_epoll_ctl (epoll_fd, EPOLL_CTL_MOD,
- server->GetDirection () == Cody::Server::READING
- ? EPOLLIN : EPOLLOUT, server->GetFDRead (), slot + 1);
-
- return false;
-}
-
-void close_server (Cody::Server *server, int epoll_fd)
-{
- my_epoll_ctl (epoll_fd, EPOLL_CTL_DEL, EPOLLIN, server->GetFDRead (), 0);
-
- close (server->GetFDRead ());
-
- delete server;
-}
-
-int open_server (bool ip6, int sock_fd)
-{
- sockaddr_in6 addr;
- socklen_t addr_len = sizeof (addr);
-
-#ifdef HAVE_ACCEPT4
- int client_fd = accept4 (sock_fd, ip6 ? (sockaddr *)&addr : nullptr,
- &addr_len, SOCK_NONBLOCK);
-#else
- int client_fd = accept (sock_fd, ip6 ? (sockaddr *)&addr : nullptr, &addr_len);
-#endif
- if (client_fd < 0)
- {
- error ("cannot accept: %s", xstrerror (errno));
- flag_one = true;
- }
- else if (ip6)
- {
- const char *str = NULL;
-#if HAVE_INET_NTOP
- char name[INET6_ADDRSTRLEN];
- str = inet_ntop (addr.sin6_family, &addr.sin6_addr, name, sizeof (name));
-#endif
- if (!accept_addrs.empty ())
- {
- netmask_vec_t::iterator e = accept_addrs.end ();
- for (netmask_vec_t::iterator i = accept_addrs.begin ();
- i != e; ++i)
- if (i->includes (addr.sin6_addr))
- goto present;
- close (client_fd);
- client_fd = -1;
- noisy ("Rejecting connection from disallowed source '%s'",
- str ? str : "");
- present:;
- }
- if (client_fd >= 0)
- flag_noisy && noisy ("Accepting connection from '%s'", str ? str : "");
- }
-
- return client_fd;
-}
-
-/* A server listening on bound socket SOCK_FD. */
-
-static void
-server (bool ipv6, int sock_fd, module_resolver *resolver)
-{
- int epoll_fd = -1;
-
- signal (SIGTERM, term_signal);
-#ifdef HAVE_EPOLL
- epoll_fd = epoll_create (1);
-#endif
- if (epoll_fd >= 0)
- my_epoll_ctl (epoll_fd, EPOLL_CTL_ADD, EPOLLIN, sock_fd, 0);
-
-#if defined (HAVE_EPOLL) || defined (HAVE_PSELECT) || defined (HAVE_SELECT)
- sigset_t mask;
- {
- sigset_t block;
- sigemptyset (&block);
- sigaddset (&block, SIGTERM);
- sigprocmask (SIG_BLOCK, &block, &mask);
- }
-#endif
-
-#ifdef HAVE_EPOLL
- const unsigned max_events = 20;
- epoll_event events[max_events];
-#endif
-#if defined (HAVE_PSELECT) || defined (HAVE_SELECT)
- fd_set readers, writers;
-#endif
- if (term_pipe)
- pipe (term_pipe);
-
- // We need stable references to servers, so this array can contain nulls
- std::vector<Cody::Server *> connections;
- unsigned live = 0;
- fprintf(stderr, "\tabout to go into a wait loop\n");
- while (sock_fd >= 0 || live)
- {
- /* Wait for one or more events. */
- bool eintr = false;
- int event_count;
-
- if (epoll_fd >= 0)
- {
-#ifdef HAVE_EPOLL
- event_count = epoll_pwait (epoll_fd, events, max_events, -1, &mask);
-#endif
- }
- else
- {
-#if defined (HAVE_PSELECT) || defined (HAVE_SELECT)
- FD_ZERO (&readers);
- FD_ZERO (&writers);
-
- unsigned limit = 0;
- if (sock_fd >= 0
- && !(term || (live && (flag_one || flag_sequential))))
- {
- FD_SET (sock_fd, &readers);
- limit = sock_fd + 1;
- }
-
- if (term_pipe && term_pipe[0] >= 0)
- {
- FD_SET (term_pipe[0], &readers);
- if (unsigned (term_pipe[0]) >= limit)
- limit = term_pipe[0] + 1;
- }
-
- for (auto iter = connections.begin ();
- iter != connections.end (); ++iter)
- if (auto *server = *iter)
- {
- int fd = -1;
- switch (server->GetDirection ())
- {
- case Cody::Server::READING:
- fd = server->GetFDRead ();
- FD_SET (fd, &readers);
- break;
- case Cody::Server::WRITING:
- fd = server->GetFDWrite ();
- FD_SET (fd, &writers);
- break;
- default:
- break;
- }
-
- if (fd >= 0 && limit <= unsigned (fd))
- limit = fd + 1;
- }
-
-#ifdef HAVE_PSELECT
- event_count = pselect (limit, &readers, &writers, NULL, NULL, &mask);
-#else
- event_count = select (limit, &readers, &writers, NULL, NULL);
-#endif
- if (term_pipe && FD_ISSET (term_pipe[0], &readers))
- {
- /* Fake up an interrupted system call. */
- event_count = -1;
- errno = EINTR;
- }
-#endif
- }
-
- if (event_count < 0)
- {
- // Error in waiting
- if (errno == EINTR)
- {
- flag_noisy && noisy ("Interrupted wait");
- eintr = true;
- }
- else
- error ("cannot %s: %s", epoll_fd >= 0 ? "epoll_wait"
-#ifdef HAVE_PSELECT
- : "pselect",
-#else
- : "select",
-#endif
- xstrerror (errno));
- event_count = 0;
- }
-
- auto iter = connections.begin ();
- while (event_count--)
- {
- // Process an event
- int active = -2;
-
- if (epoll_fd >= 0)
- {
-#ifdef HAVE_EPOLL
- /* See PR c++/88664 for why a temporary is used. */
- unsigned data = events[event_count].data.u32;
- active = int (data) - 1;
-#endif
- }
- else
- {
- for (; iter != connections.end (); ++iter)
- if (auto *server = *iter)
- {
- bool found = false;
- switch (server->GetDirection ())
- {
-#if defined (HAVE_PSELECT) || defined (HAVE_SELECT)
- case Cody::Server::READING:
- found = FD_ISSET (server->GetFDRead (), &readers);
- break;
- case Cody::Server::WRITING:
- found = FD_ISSET (server->GetFDWrite (), &writers);
- break;
-#endif
- default:
- break;
- }
-
- if (found)
- {
- active = iter - connections.begin ();
- ++iter;
- break;
- }
- }
-
- if (active < 0 && sock_fd >= 0 && FD_ISSET (sock_fd, &readers))
- active = -1;
- }
-
- if (active >= 0)
- {
- // Do the action
- auto *server = connections[active];
- if (process_server (server, active, epoll_fd))
- {
- connections[active] = nullptr;
- close_server (server, epoll_fd);
- live--;
- if (flag_sequential)
- my_epoll_ctl (epoll_fd, EPOLL_CTL_ADD, EPOLLIN, sock_fd, 0);
- }
- }
- else if (active == -1 && !eintr)
- {
- // New connection
- int fd = open_server (ipv6, sock_fd);
- if (fd >= 0)
- {
-#if !defined (HAVE_ACCEPT4) \
- && (defined (HAVE_EPOLL) || defined (HAVE_PSELECT) || defined (HAVE_SELECT))
- int flags = fcntl (fd, F_GETFL, 0);
- fcntl (fd, F_SETFL, flags | O_NONBLOCK);
-#endif
- auto *server = new Cody::Server (resolver, fd);
-
- unsigned slot = connections.size ();
- if (live == slot)
- connections.push_back (server);
- else
- for (auto iter = connections.begin (); ; ++iter)
- if (!*iter)
- {
- *iter = server;
- slot = iter - connections.begin ();
- break;
- }
- live++;
- my_epoll_ctl (epoll_fd, EPOLL_CTL_ADD, EPOLLIN, fd, slot + 1);
- }
- }
-
- if (sock_fd >= 0
- && (term || (live && (flag_one || flag_sequential))))
- {
- /* Stop paying attention to sock_fd. */
- my_epoll_ctl (epoll_fd, EPOLL_CTL_DEL, EPOLLIN, sock_fd, 0);
- if (flag_one || term)
- {
- close (sock_fd);
- sock_fd = -1;
- }
- }
- }
- }
-#if defined (HAVE_EPOLL) || defined (HAVE_PSELECT) || defined (HAVE_SELECT)
- /* Restore the signal mask. */
- sigprocmask (SIG_SETMASK, &mask, NULL);
-#endif
-
- gcc_assert (sock_fd < 0);
- if (epoll_fd >= 0)
- close (epoll_fd);
-
- if (term_pipe && term_pipe[0] >= 0)
- {
- close (term_pipe[0]);
- close (term_pipe[1]);
- }
-}
-
-#if 0
-
-
- if (eintr)
- flag_noisy && noisy ("Interrupted wait");
-
-
- if (sock_fd >= 0 && (term || flag_one || flag_sequential))
- {
- /* Stop paying attention to sock_fd. */
- my_epoll_ctl (epoll_fd, EPOLL_CTL_DEL, EPOLLIN, sock_fd, NULL);
- if (flag_one || term)
- {
- close (sock_fd);
- sock_fd = -1;
- }
- }
- }
-
-#if defined (HAVE_EPOLL) || defined (HAVE_PSELECT) || defined (HAVE_SELECT)
- /* Restore the signal mask. */
- sigprocmask (SIG_SETMASK, &mask, NULL);
-#endif
-
- gcc_assert (sock_fd < 0);
- if (epoll_fd >= 0)
- close (epoll_fd);
-
- if (term_pipe && term_pipe[0] >= 0)
- {
- close (term_pipe[0]);
- close (term_pipe[1]);
- }
-}
-#endif
-
-#endif
-
-static int maybe_parse_socket (std::string &option, module_resolver *r)
-{
- /* Local or ipv6 address. */
- auto last = option.find_last_of ('?');
- if (last != option.npos)
- {
- r->set_ident (option.c_str () + last + 1);
- option.erase (last);
- }
- int fd = -2;
- char const *errmsg = nullptr;
-
- /* Does it look like a socket? */
- if (option[0] == '=')
- /* A local socket. */
- fd = Cody::ListenLocal (&errmsg, option.c_str () + 1);
- else
- {
- auto colon = option.find_last_of (':');
- if (colon != option.npos)
- {
- /* Try a hostname:port address. */
- char const *cptr = option.c_str () + colon;
- char *endp;
- unsigned port = strtoul (cptr + 1, &endp, 10);
-
- if (port && endp != cptr + 1 && !*endp)
- {
- /* Ends in ':number', treat as ipv6 domain socket. */
- option.erase (colon);
- fd = Cody::ListenInet6 (&errmsg, option.c_str (), port);
- }
- }
- }
-
- if (errmsg)
- error ("failed to open socket: %s", errmsg);
-
- return fd;
-}
-
-int
-main (int argc, char *argv[])
-{
- fprintf(stderr, "\tmapper-server main\n");
-
- const char *p = argv[0] + strlen (argv[0]);
- while (p != argv[0] && !IS_DIR_SEPARATOR (p[-1]))
- --p;
- progname = p;
-
- xmalloc_set_program_name (progname);
- fprintf(stderr, "\tsignals\n");
-
-#ifdef SIGSEGV
- signal (SIGSEGV, crash_signal);
-#endif
-#ifdef SIGILL
- signal (SIGILL, crash_signal);
-#endif
-#ifdef SIGBUS
- signal (SIGBUS, crash_signal);
-#endif
-#ifdef SIGABRT
- signal (SIGABRT, crash_signal);
-#endif
-#ifdef SIGFPE
- signal (SIGFPE, crash_signal);
-#endif
-#ifdef SIGPIPE
- /* Ignore sigpipe, so read/write get an error. */
- signal (SIGPIPE, SIG_IGN);
-#endif
-#ifdef SIGINT
- signal (SIGINT, kill_signal);
-#endif
-
- int argno = process_args (argc, argv);
-
- module_resolver r;
- fprintf(stderr, "\tgot a module_resolver\n");
- if (flag_root)
- r.set_repo (flag_root);
-
- std::string name;
- int sock_fd = -1; /* Socket fd, otherwise stdin/stdout. */
-
- fprintf(stderr, "\tneed a sock_fd\n");
- if (argno != argc)
- {
- name = argv[argno];
- sock_fd = maybe_parse_socket (name, &r);
- if (!name.empty ())
- argno++;
- }
- fprintf(stderr, "\tsock_fd? = %d\n", sock_fd);
-
- if (argno != argc)
- for (; argno != argc; argno++)
- {
- std::string option = argv[argno];
- char const *prefix = nullptr;
- auto ident = option.find_last_of ('?');
- if (ident != option.npos)
- {
- prefix = option.c_str () + ident + 1;
- option[ident] = 0;
- }
- int fd = open (option.c_str (), O_RDONLY | O_CLOEXEC);
- int err = 0;
- if (fd < 0)
- err = errno;
- else
- {
- err = r.read_tuple_file (fd, prefix, false);
- close (fd);
- }
-
- if (err)
- error ("failed reading '%s': %s", option.c_str (), xstrerror (err));
- }
- else
- flag_fallback = true;
- r.set_default (flag_fallback);
-
- fprintf(stderr, "\tnetmask stuff\n");
-#ifdef HAVE_AF_INET6
- netmask_set_t::iterator end = netmask_set.end ();
- for (netmask_set_t::iterator iter = netmask_set.begin ();
- iter != end; ++iter)
- {
- netmask_vec_t::iterator e = accept_addrs.end ();
- for (netmask_vec_t::iterator i = accept_addrs.begin (); i != e; ++i)
- if (i->includes (iter->addr))
- goto present;
- accept_addrs.push_back (*iter);
- present:;
- }
-#endif
-
-#ifdef NETWORKING
- if (sock_fd >= 0)
- {
- fprintf(stderr, "\tstarting a server\n");
- server (name[0] != '=', sock_fd, &r);
- fprintf(stderr, "\tgot a server\n");
- if (name[0] == '=')
- unlink (name.c_str () + 1);
- fprintf(stderr, "\t name: %s \n", name.c_str());
- }
- else
-#endif
- {
- fprintf(stderr, "\tabout to loop infinitely\n");
-
-
- gcc_assert (sock_fd < 0);
- auto server = Cody::Server (&r, 0, 1);
-
- fprintf(stderr, "\tmade a cody server\n");
-
- int err = 0;
- for (;;)
- {
- server.PrepareToRead ();
- while ((err = server.Read ()))
- {
- if (err == EINTR || err == EAGAIN)
- continue;
- goto done;
- }
-
- server.ProcessRequests ();
-
- server.PrepareToWrite ();
- while ((err = server.Write ()))
- {
- if (err == EINTR || err == EAGAIN)
- continue;
- goto done;
- }
- }
- done:;
- if (err > 0)
- error ("communication error:%s", xstrerror (err));
- }
-
- return 0;
-}
projects / thirdparty / gcc.git / commitdiff
