On Wed, Apr 21, 2021 at 11:12 AM Martin Liška <mli...@suse.cz> wrote:
>
> Now living in the 21st century, we don't longer need using the following
> tuple:
> cl_decoded_option **decoded_options,
> unsigned int *decoded_options_count)
> but we can rather use a standard (our) vector.
>
> Patch can bootstrap on x86_64-linux-gnu and survives regression tests.
>
> Ready to be installed?
> Thanks,
> Martin
>
> gcc/ChangeLog:
>
> * lto-wrapper.c (get_options_from_collect_gcc_options): Change
> return type.
> (append_option): Remove.
> (find_option): Rework to use the vector type.
> (remove_option): Remove.
> (merge_and_complain): Use vectors for cl_decoded_option data
> type arguments.
> (append_compiler_options): Likewise.
> (append_diag_options): Likewise.
> (append_linker_options): Likewise.
> (append_offload_options): Likewise.
> (compile_offload_image): Likewise.
> (compile_images_for_offload_targets): Likewise.
> (find_and_merge_options): Likewise.
> (run_gcc): Likewise.
> ---
> gcc/lto-wrapper.c | 384 ++++++++++++++++++++--------------------------
> 1 file changed, 165 insertions(+), 219 deletions(-)
>
> diff --git a/gcc/lto-wrapper.c b/gcc/lto-wrapper.c
> index 03a5922f8ea..5ccf729b249 100644
> --- a/gcc/lto-wrapper.c
> +++ b/gcc/lto-wrapper.c
> @@ -138,12 +138,12 @@ maybe_unlink (const char *file)
> /* Create decoded options from the COLLECT_GCC and COLLECT_GCC_OPTIONS
> environment. */
>
> -static void
> +static vec<cl_decoded_option>
bonus points for handling ownership transfer via returning an
auto_vec<> (not sure if possible, but maybe it is).
> 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)
> + const char *collect_gcc_options)
> {
> + cl_decoded_option *decoded_options;
> + unsigned int decoded_options_count;
> struct obstack argv_obstack;
> const char **argv;
> int argc;
> @@ -156,57 +156,49 @@ get_options_from_collect_gcc_options (const char
> *collect_gcc,
> 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);
> + vec<cl_decoded_option> decoded;
> + decoded.create (decoded_options_count);
> + for (unsigned i = 0; i < decoded_options_count; ++i)
> + decoded.quick_push (decoded_options[i]);
> + free (decoded_options);
> +
> obstack_free (&argv_obstack, NULL);
> +
> + return decoded;
> }
>
> -/* Append OPTION to the options array DECODED_OPTIONS with size
> - DECODED_OPTIONS_COUNT. */
> +/* Find option in OPTIONS based on OPT_INDEX. NULL value is returned
> + if the option is not present. */
>
> -static void
> -append_option (struct cl_decoded_option **decoded_options,
> - unsigned int *decoded_options_count,
> - struct cl_decoded_option *option)
> +static cl_decoded_option *
> +find_option (vec<cl_decoded_option> &options, size_t opt_index)
> {
> - ++*decoded_options_count;
> - *decoded_options
> - = (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));
> -}
> + for (unsigned i = 0; i < options.length (); ++i)
> + if (options[i].opt_index == opt_index)
> + return &options[i];
You're returning a pointer into the vector here...
> -/* Remove option number INDEX from DECODED_OPTIONS, update
> - DECODED_OPTIONS_COUNT. */
> + return NULL;
> +}
>
> -static void
> -remove_option (struct cl_decoded_option **decoded_options,
> - int index, unsigned int *decoded_options_count)
> +static cl_decoded_option *
> +find_option (vec<cl_decoded_option> &options, cl_decoded_option *option)
> {
> - --*decoded_options_count;
> - memmove (&(*decoded_options)[index + 1],
> - &(*decoded_options)[index],
> - sizeof (struct cl_decoded_option)
> - * (*decoded_options_count - index));
> + return find_option (options, option->opt_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,
> - struct cl_decoded_option *decoded_cl_options,
> - unsigned int decoded_cl_options_count)
> +merge_and_complain (vec<cl_decoded_option> decoded_options,
> + vec<cl_decoded_option> fdecoded_options,
> + vec<cl_decoded_option> decoded_cl_options)
> {
> unsigned int i, j;
> - struct cl_decoded_option *pic_option = NULL;
> - struct cl_decoded_option *pie_option = NULL;
> - struct cl_decoded_option *cf_protection_option = NULL;
> + cl_decoded_option *pic_option = NULL;
> + cl_decoded_option *pie_option = NULL;
> + cl_decoded_option *cf_protection_option = NULL;
>
> /* ??? Merge options from files. Most cases can be
> handled by either unioning or intersecting
> @@ -223,9 +215,9 @@ merge_and_complain (struct cl_decoded_option
> **decoded_options,
>
> /* Look for a -fcf-protection option in the link-time options
> which overrides any -fcf-protection from the lto sections. */
> - for (i = 0; i < decoded_cl_options_count; ++i)
> + for (i = 0; i < decoded_cl_options.length (); ++i)
> {
> - struct cl_decoded_option *foption = &decoded_cl_options[i];
> + cl_decoded_option *foption = &decoded_cl_options[i];
> if (foption->opt_index == OPT_fcf_protection_)
> {
> cf_protection_option = foption;
> @@ -234,9 +226,10 @@ merge_and_complain (struct cl_decoded_option
> **decoded_options,
>
> /* 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)
> + for (i = 0; i < fdecoded_options.length (); ++i)
> {
> - struct cl_decoded_option *foption = &fdecoded_options[i];
> + cl_decoded_option *foption = &fdecoded_options[i];
> + cl_decoded_option *existing_opt = find_option (decoded_options,
> foption);
> switch (foption->opt_index)
> {
> case OPT_SPECIAL_unknown:
> @@ -264,11 +257,8 @@ merge_and_complain (struct cl_decoded_option
> **decoded_options,
> 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);
> + if (existing_opt == NULL)
> + decoded_options.safe_push (*foption);
and you end up re-allocating that here. That's an eventually dangerous
pattern ... please consider to instead returning an index from find()
(and -1 for not found or so).
> break;
>
> /* Figure out what PIC/PIE level wins and merge the results. */
> @@ -284,25 +274,19 @@ merge_and_complain (struct cl_decoded_option
> **decoded_options,
> 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);
> + if (existing_opt == NULL)
> + decoded_options.safe_push (*foption);
> /* -fopenmp > -fno-openmp,
> -fopenacc > -fno-openacc */
> - else if (foption->value > (*decoded_options)[j].value)
> - (*decoded_options)[j] = *foption;
> + else if (foption->value > existing_opt->value)
> + *existing_opt = *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))
> + if (existing_opt == NULL)
> + decoded_options.safe_push (*foption);
> + else if (strcmp (existing_opt->arg, foption->arg))
> fatal_error (input_location,
> "option %s with different values",
> foption->orig_option_with_args_text);
> @@ -313,12 +297,9 @@ merge_and_complain (struct cl_decoded_option
> **decoded_options,
> if (!cf_protection_option
> || cf_protection_option->value == CF_CHECK)
> {
> - 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 ((*decoded_options)[j].value != foption->value)
> + if (existing_opt == NULL)
> + decoded_options.safe_push (*foption);
> + else if (existing_opt->value != foption->value)
> {
> if (cf_protection_option
> && cf_protection_option->value == CF_CHECK)
> @@ -326,22 +307,21 @@ merge_and_complain (struct cl_decoded_option
> **decoded_options,
> "option %qs with mismatching values"
> " (%s, %s)",
> "-fcf-protection",
> - (*decoded_options)[j].arg, foption->arg);
> + existing_opt->arg, foption->arg);
> else
> {
> /* Merge and update the -fcf-protection option. */
> - (*decoded_options)[j].value &= (foption->value
> - & CF_FULL);
> - switch ((*decoded_options)[j].value)
> + existing_opt->value &= (foption->value & CF_FULL);
> + switch (existing_opt->value)
> {
> case CF_NONE:
> - (*decoded_options)[j].arg = "none";
> + existing_opt->arg = "none";
> break;
> case CF_BRANCH:
> - (*decoded_options)[j].arg = "branch";
> + existing_opt->arg = "branch";
> break;
> case CF_RETURN:
> - (*decoded_options)[j].arg = "return";
> + existing_opt->arg = "return";
> break;
> default:
> gcc_unreachable ();
> @@ -355,15 +335,19 @@ merge_and_complain (struct cl_decoded_option
> **decoded_options,
> 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
> + existing_opt = NULL;
> + for (j = 0; j < decoded_options.length (); ++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)
> + {
> + existing_opt = &decoded_options[j];
> + break;
> + }
> + if (existing_opt == NULL)
> + decoded_options.safe_push (*foption);
> + else if (existing_opt->opt_index == foption->opt_index
> && foption->opt_index != OPT_O)
> /* Exact same options get merged. */
> ;
> @@ -393,13 +377,13 @@ merge_and_complain (struct cl_decoded_option
> **decoded_options,
> default:
> gcc_unreachable ();
> }
> - switch ((*decoded_options)[j].opt_index)
> + switch (existing_opt->opt_index)
> {
> case OPT_O:
> - if ((*decoded_options)[j].arg[0] == '\0')
> + if (existing_opt->arg[0] == '\0')
> level = MAX (level, 1);
> else
> - level = MAX (level, atoi ((*decoded_options)[j].arg));
> + level = MAX (level, atoi (existing_opt->arg));
> break;
> case OPT_Ofast:
> level = MAX (level, 3);
> @@ -413,23 +397,20 @@ merge_and_complain (struct cl_decoded_option
> **decoded_options,
> default:
> gcc_unreachable ();
> }
> - (*decoded_options)[j].opt_index = OPT_O;
> + existing_opt->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;
> + existing_opt->arg = &tem[2];
> + existing_opt->canonical_option[0] = tem;
> + existing_opt->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)
> + if (existing_opt == NULL)
> + decoded_options.safe_push (*foption);
> + else if (foption->value != existing_opt->value)
> fatal_error (input_location,
> "option %s not used consistently in all LTO input"
> " files", foption->orig_option_with_args_text);
> @@ -437,7 +418,7 @@ merge_and_complain (struct cl_decoded_option
> **decoded_options,
>
>
> case OPT_foffload_:
> - append_option (decoded_options, decoded_options_count, foption);
> + decoded_options.safe_push (*foption);
> break;
> }
> }
> @@ -457,12 +438,12 @@ merge_and_complain (struct cl_decoded_option
> **decoded_options,
> 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)
> + for (unsigned int j = 0; j < decoded_options.length ();)
> + 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)
> + 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. */
> @@ -471,41 +452,41 @@ merge_and_complain (struct cl_decoded_option
> **decoded_options,
> {
> if (pie_option)
> {
> - bool big = (*decoded_options)[j].opt_index == OPT_fPIC
> + 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;
> + decoded_options[j].opt_index = big ? OPT_fPIE : OPT_fpie;
> if (pie_option->value)
> - (*decoded_options)[j].canonical_option[0]
> + 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++;
> + 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++;
> + 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);
> + decoded_options.ordered_remove (j);
> }
> else if (pic_option->opt_index == OPT_fpic
> - && (*decoded_options)[j].opt_index == OPT_fPIC)
> + && decoded_options[j].opt_index == OPT_fPIC)
> {
> - (*decoded_options)[j] = *pic_option;
> + decoded_options[j] = *pic_option;
> j++;
> }
> else
> j++;
> }
> - else if ((*decoded_options)[j].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)
> {
> /* -fno-pie in one unit implies -fno-pie everywhere. */
> - if ((*decoded_options)[j].value == 0)
> + 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. */
> @@ -516,32 +497,32 @@ merge_and_complain (struct cl_decoded_option
> **decoded_options,
> 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].opt_index = OPT_fpie;
> - (*decoded_options)[j].canonical_option[0]
> + 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;
> + 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;
> + 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.ordered_remove (j);
> }
> else if (pie_option->opt_index == OPT_fpie
> - && (*decoded_options)[j].opt_index == OPT_fPIE)
> + && decoded_options[j].opt_index == OPT_fPIE)
> {
> - (*decoded_options)[j] = *pie_option;
> + decoded_options[j] = *pie_option;
> j++;
> }
> else
> @@ -553,37 +534,34 @@ merge_and_complain (struct cl_decoded_option
> **decoded_options,
> 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;
> + cl_decoded_option *existing_opt
> + = find_option (decoded_options, OPT_Xassembler);
> + cl_decoded_option *existing_opt2
> + = find_option (fdecoded_options, OPT_Xassembler);
>
> - if (i == *decoded_options_count && j == fdecoded_options_count)
> + if (existing_opt == NULL && existing_opt2 == NULL)
> break;
> - else if (i < *decoded_options_count && j == fdecoded_options_count)
> + else if (existing_opt != NULL && existing_opt2 == NULL)
> {
> warning (0, "Extra option to %<-Xassembler%>: %s,"
> " dropping all %<-Xassembler%> and %<-Wa%> options.",
> - (*decoded_options)[i].arg);
> + existing_opt->arg);
> xassembler_options_error = true;
> break;
> }
> - else if (i == *decoded_options_count && j < fdecoded_options_count)
> + else if (existing_opt == NULL && existing_opt2 != NULL)
> {
> warning (0, "Extra option to %<-Xassembler%>: %s,"
> " dropping all %<-Xassembler%> and %<-Wa%> options.",
> - fdecoded_options[j].arg);
> + existing_opt2->arg);
> xassembler_options_error = true;
> break;
> }
> - else if (strcmp ((*decoded_options)[i].arg, fdecoded_options[j].arg))
> + else if (strcmp (existing_opt->arg, existing_opt2->arg) != 0)
> {
> warning (0, "Options to %<-Xassembler%> do not match: %s, %s,"
> " dropping all %<-Xassembler%> and %<-Wa%> options.",
> - (*decoded_options)[i].arg, fdecoded_options[j].arg);
> + existing_opt->arg, existing_opt2->arg);
> xassembler_options_error = true;
> break;
> }
> @@ -654,13 +632,12 @@ parse_env_var (const char *str, char ***pvalues, const
> char *append)
> /* 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)
> +append_compiler_options (obstack *argv_obstack, vec<cl_decoded_option> opts)
> {
> /* Append compiler driver arguments as far as they were merged. */
> - for (unsigned int j = 1; j < count; ++j)
> + for (unsigned int j = 1; j < opts.length (); ++j)
> {
> - struct cl_decoded_option *option = &opts[j];
> + cl_decoded_option *option = &opts[j];
>
> /* File options have been properly filtered by lto-opts.c. */
> switch (option->opt_index)
> @@ -721,16 +698,15 @@ append_compiler_options (obstack *argv_obstack, struct
> cl_decoded_option *opts,
> }
> }
>
> -/* Append diag options in OPTS with length COUNT to ARGV_OBSTACK. */
> +/* Append diag options in OPTS to ARGV_OBSTACK. */
>
> static void
> -append_diag_options (obstack *argv_obstack, struct cl_decoded_option *opts,
> - unsigned int count)
> +append_diag_options (obstack *argv_obstack, vec<cl_decoded_option> opts)
> {
> /* Append compiler driver arguments as far as they were merged. */
> - for (unsigned int j = 1; j < count; ++j)
> + for (unsigned int j = 1; j < opts.length (); ++j)
> {
> - struct cl_decoded_option *option = &opts[j];
> + cl_decoded_option *option = &opts[j];
>
> switch (option->opt_index)
> {
> @@ -757,14 +733,13 @@ append_diag_options (obstack *argv_obstack, struct
> cl_decoded_option *opts,
> /* Append linker options OPTS to ARGV_OBSTACK. */
>
> static void
> -append_linker_options (obstack *argv_obstack, struct cl_decoded_option *opts,
> - unsigned int count)
> +append_linker_options (obstack *argv_obstack, vec<cl_decoded_option> opts)
> {
> /* 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)
> + for (unsigned int j = 1; j < opts.length (); ++j)
> {
> - struct cl_decoded_option *option = &opts[j];
> + cl_decoded_option *option = &opts[j];
>
> /* Do not pass on frontend specific flags not suitable for lto. */
> if (!(cl_options[option->opt_index].flags
> @@ -802,15 +777,14 @@ append_linker_options (obstack *argv_obstack, struct
> cl_decoded_option *opts,
>
> static void
> append_offload_options (obstack *argv_obstack, const char *target,
> - struct cl_decoded_option *options,
> - unsigned int options_count)
> + vec<cl_decoded_option> options)
> {
> - for (unsigned i = 0; i < options_count; i++)
> + for (unsigned i = 0; i < options.length (); i++)
> {
> const char *cur, *next, *opts;
> char **argv;
> unsigned argc;
> - struct cl_decoded_option *option = &options[i];
> + cl_decoded_option *option = &options[i];
>
> if (option->opt_index != OPT_foffload_)
> continue;
> @@ -882,10 +856,8 @@ access_check (const char *name, int mode)
> 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)
> + vec<cl_decoded_option> compiler_opts,
> + vec<cl_decoded_option> linker_opts)
> {
> char *filename = NULL;
> char *dumpbase;
> @@ -935,19 +907,16 @@ compile_offload_image (const char *target, const char
> *compiler_path,
> obstack_ptr_grow (&argv_obstack, in_argv[i]);
>
> /* Append options from offload_lto sections. */
> - append_compiler_options (&argv_obstack, compiler_opts,
> - compiler_opt_count);
> - append_diag_options (&argv_obstack, linker_opts, linker_opt_count);
> + append_compiler_options (&argv_obstack, compiler_opts);
> + append_diag_options (&argv_obstack, linker_opts);
>
> 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);
> - append_offload_options (&argv_obstack, target, linker_opts,
> - linker_opt_count);
> + append_offload_options (&argv_obstack, target, compiler_opts);
> + append_offload_options (&argv_obstack, target, linker_opts);
>
> obstack_ptr_grow (&argv_obstack, NULL);
> argv = XOBFINISH (&argv_obstack, char **);
> @@ -966,10 +935,8 @@ compile_offload_image (const char *target, const char
> *compiler_path,
>
> 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)
> + vec<cl_decoded_option> compiler_opts,
> + vec<cl_decoded_option> linker_opts)
> {
> char **names = NULL;
> const char *target_names = getenv (OFFLOAD_TARGET_NAMES_ENV);
> @@ -988,8 +955,7 @@ compile_images_for_offload_targets (unsigned in_argc,
> char *in_argv[],
> {
> offload_names[i]
> = compile_offload_image (names[i], compiler_path, in_argc, in_argv,
> - compiler_opts, compiler_opt_count,
> - linker_opts, linker_opt_count);
> + compiler_opts, linker_opts);
> if (!offload_names[i])
> fatal_error (input_location,
> "problem with building target image for %s", names[i]);
> @@ -1058,25 +1024,22 @@ find_crtoffloadtable (int save_temps, const char
> *dumppfx)
> }
>
> /* A subroutine of run_gcc. Examine the open file FD for lto sections with
> - name prefix PREFIX, at FILE_OFFSET, and store any options we find in OPTS
> - and OPT_COUNT. Return true if we found a matching section, false
> + name prefix PREFIX, at FILE_OFFSET, and store any options we find in OPTS.
> + Return true if we found a matching section, false
> 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 *decoded_cl_options,
> - unsigned int decoded_cl_options_count,
> - struct cl_decoded_option **opts,
> - unsigned int *opt_count, const char *collect_gcc)
> + vec<cl_decoded_option> decoded_cl_options,
> + vec<cl_decoded_option> *opts, const char *collect_gcc)
> {
> off_t offset, length;
> char *data;
> char *fopts;
> const char *errmsg;
> int err;
> - struct cl_decoded_option *fdecoded_options = *opts;
> - unsigned int fdecoded_options_count = *opt_count;
> + vec<cl_decoded_option> fdecoded_options;
>
> simple_object_read *sobj;
> sobj = simple_object_start_read (fd, file_offset, "__GNU_LTO",
> @@ -1098,24 +1061,19 @@ find_and_merge_options (int fd, off_t file_offset,
> const char *prefix,
> data = (char *)xmalloc (length);
> read (fd, data, length);
> fopts = data;
> + bool first = true;
> 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;
> - }
> + vec<cl_decoded_option> f2decoded_options
> + = get_options_from_collect_gcc_options (collect_gcc, fopts);
> + if (first)
> + {
> + fdecoded_options = f2decoded_options;
> + first = false;
> + }
> else
> - merge_and_complain (&fdecoded_options,
> - &fdecoded_options_count,
> - f2decoded_options, f2decoded_options_count,
> - decoded_cl_options,
> - decoded_cl_options_count);
> + merge_and_complain (fdecoded_options, f2decoded_options,
> + decoded_cl_options);
>
> fopts += strlen (fopts) + 1;
> }
> @@ -1124,7 +1082,6 @@ find_and_merge_options (int fd, off_t file_offset,
> const char *prefix,
> free (data);
> simple_object_release_read (sobj);
> *opts = fdecoded_options;
> - *opt_count = fdecoded_options_count;
> return true;
> }
>
> @@ -1371,12 +1328,9 @@ run_gcc (unsigned argc, char *argv[])
> int jobserver = 0;
> int auto_parallel = 0;
> bool no_partition = false;
> - struct cl_decoded_option *fdecoded_options = NULL;
> - struct cl_decoded_option *offload_fdecoded_options = NULL;
> - unsigned int fdecoded_options_count = 0;
> - unsigned int offload_fdecoded_options_count = 0;
> - struct cl_decoded_option *decoded_options;
> - unsigned int decoded_options_count;
> + vec<cl_decoded_option> fdecoded_options;
> + fdecoded_options.create (16);
> + vec<cl_decoded_option> offload_fdecoded_options = vNULL;
> struct obstack argv_obstack;
> int new_head_argc;
> bool have_lto = false;
> @@ -1418,9 +1372,8 @@ run_gcc (unsigned argc, char *argv[])
> NULL);
> }
>
> - get_options_from_collect_gcc_options (collect_gcc, collect_gcc_options,
> - &decoded_options,
> - &decoded_options_count);
> + vec<cl_decoded_option> decoded_options
> + = get_options_from_collect_gcc_options (collect_gcc,
> collect_gcc_options);
>
> /* Allocate array for input object files with LTO IL,
> and for possible preceding arguments. */
> @@ -1470,8 +1423,7 @@ run_gcc (unsigned argc, char *argv[])
> }
>
> if (find_and_merge_options (fd, file_offset, LTO_SECTION_NAME_PREFIX,
> - decoded_options, decoded_options_count,
> - &fdecoded_options, &fdecoded_options_count,
> + decoded_options, &fdecoded_options,
> collect_gcc))
> {
> have_lto = true;
> @@ -1486,14 +1438,13 @@ run_gcc (unsigned argc, char *argv[])
> obstack_ptr_grow (&argv_obstack, "-xlto");
> obstack_ptr_grow (&argv_obstack, "-c");
>
> - append_compiler_options (&argv_obstack, fdecoded_options,
> - fdecoded_options_count);
> - append_linker_options (&argv_obstack, decoded_options,
> decoded_options_count);
> + append_compiler_options (&argv_obstack, fdecoded_options);
> + append_linker_options (&argv_obstack, decoded_options);
>
> /* Scan linker driver arguments for things that are of relevance to us. */
> - for (j = 1; j < decoded_options_count; ++j)
> + for (j = 1; j < decoded_options.length (); ++j)
> {
> - struct cl_decoded_option *option = &decoded_options[j];
> + cl_decoded_option *option = &decoded_options[j];
> switch (option->opt_index)
> {
> case OPT_o:
> @@ -1711,9 +1662,7 @@ cont1:
> fatal_error (input_location, "cannot open %s: %m", filename);
> if (!find_and_merge_options (fd, file_offset,
> OFFLOAD_SECTION_NAME_PREFIX,
> - decoded_options, decoded_options_count,
> - &offload_fdecoded_options,
> - &offload_fdecoded_options_count,
> + decoded_options,
> &offload_fdecoded_options,
> collect_gcc))
> fatal_error (input_location, "cannot read %s: %m", filename);
> close (fd);
> @@ -1722,10 +1671,7 @@ cont1:
> }
>
> compile_images_for_offload_targets (num_offload_files, offload_argv,
> - offload_fdecoded_options,
> - offload_fdecoded_options_count,
> - decoded_options,
> - decoded_options_count);
> + offload_fdecoded_options,
> decoded_options);
>
> free_array_of_ptrs ((void **) offload_argv, num_offload_files);
>
> --
> 2.31.1
>
