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author | Andrew Hsieh <andrewhsieh@google.com> | 2014-06-13 12:38:00 -0700 |
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committer | Andrew Hsieh <andrewhsieh@google.com> | 2014-06-13 12:38:00 -0700 |
commit | 54f1b3cf509cd889905287cb8ce6c5ae33911a21 (patch) | |
tree | e39b1a7fa04db86a8215b7f9d4656d74e394aec0 /binutils-2.25/ld/emultempl/spuelf.em | |
parent | 2a6558a8ecfb81d75215b4ec7dc61113e12cfd5f (diff) | |
download | toolchain_binutils-54f1b3cf509cd889905287cb8ce6c5ae33911a21.tar.gz toolchain_binutils-54f1b3cf509cd889905287cb8ce6c5ae33911a21.tar.bz2 toolchain_binutils-54f1b3cf509cd889905287cb8ce6c5ae33911a21.zip |
Add upstream binutils-2.25 snapshot 4/4 2014
For MIPS -mmsa support
Change-Id: I08c4f002fa7b33dec85ed75956e6ab551bb03c96
Diffstat (limited to 'binutils-2.25/ld/emultempl/spuelf.em')
-rw-r--r-- | binutils-2.25/ld/emultempl/spuelf.em | 836 |
1 files changed, 836 insertions, 0 deletions
diff --git a/binutils-2.25/ld/emultempl/spuelf.em b/binutils-2.25/ld/emultempl/spuelf.em new file mode 100644 index 00000000..e14fa263 --- /dev/null +++ b/binutils-2.25/ld/emultempl/spuelf.em @@ -0,0 +1,836 @@ +# This shell script emits a C file. -*- C -*- +# Copyright 2006, 2007, 2008, 2009, 2010, 2011, 2012 +# Free Software Foundation, Inc. +# +# This file is part of the GNU Binutils. +# +# This program 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 of the License, or +# (at your option) any later version. +# +# This program 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 this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, +# MA 02110-1301, USA. +# + +# This file is sourced from elf32.em, and defines extra spu specific +# features. +# +fragment <<EOF +#include "ldctor.h" +#include "elf32-spu.h" + +static void spu_place_special_section (asection *, asection *, const char *); +static bfd_size_type spu_elf_load_ovl_mgr (void); +static FILE *spu_elf_open_overlay_script (void); +static void spu_elf_relink (void); + +static struct spu_elf_params params = +{ + &spu_place_special_section, + &spu_elf_load_ovl_mgr, + &spu_elf_open_overlay_script, + &spu_elf_relink, + 0, ovly_normal, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0x3ffff, + 1, 0, 16, 0, 0, 2000 +}; + +static unsigned int no_overlays = 0; +static unsigned int num_lines_set = 0; +static unsigned int line_size_set = 0; +static char *auto_overlay_file = 0; +int my_argc; +char **my_argv; + +static const char ovl_mgr[] = { +EOF + +if ! cat ${srcdir}/emultempl/spu_ovl.o_c >> e${EMULATION_NAME}.c +then + echo >&2 "Missing ${srcdir}/emultempl/spu_ovl.o_c" + echo >&2 "You must build gas/as-new with --target=spu" + exit 1 +fi + +fragment <<EOF +}; + +static const char icache_mgr[] = { +EOF + +if ! cat ${srcdir}/emultempl/spu_icache.o_c >> e${EMULATION_NAME}.c +then + echo >&2 "Missing ${srcdir}/emultempl/spu_icache.o_c" + echo >&2 "You must build gas/as-new with --target=spu" + exit 1 +fi + +fragment <<EOF +}; + +static const struct _ovl_stream ovl_mgr_stream = { + ovl_mgr, + ovl_mgr + sizeof (ovl_mgr) +}; + +static const struct _ovl_stream icache_mgr_stream = { + icache_mgr, + icache_mgr + sizeof (icache_mgr) +}; + + +static int +is_spu_target (void) +{ + extern const bfd_target bfd_elf32_spu_vec; + + return link_info.output_bfd->xvec == &bfd_elf32_spu_vec; +} + +/* Create our note section. */ + +static void +spu_after_open (void) +{ + if (is_spu_target ()) + { + /* Pass params to backend. */ + if ((params.auto_overlay & AUTO_OVERLAY) == 0) + params.auto_overlay = 0; + params.emit_stub_syms |= link_info.emitrelocations; + spu_elf_setup (&link_info, ¶ms); + + if (link_info.relocatable) + lang_add_unique (".text.ia.*"); + + if (!link_info.relocatable + && link_info.input_bfds != NULL + && !spu_elf_create_sections (&link_info)) + einfo ("%X%P: can not create note section: %E\n"); + } + + gld${EMULATION_NAME}_after_open (); +} + +/* If O is NULL, add section S at the end of output section OUTPUT_NAME. + If O is not NULL, add section S at the beginning of output section O, + except for soft-icache which adds to the end. + + Really, we should be duplicating ldlang.c map_input_to_output_sections + logic here, ie. using the linker script to find where the section + goes. That's rather a lot of code, and we don't want to run + map_input_to_output_sections again because most sections are already + mapped. So cheat, and put the section in a fixed place, ignoring any + attempt via a linker script to put .stub, .ovtab, and built-in + overlay manager code somewhere else. */ + +static void +spu_place_special_section (asection *s, asection *o, const char *output_name) +{ + lang_output_section_statement_type *os; + + if (o != NULL) + output_name = o->name; + os = lang_output_section_find (output_name); + if (os == NULL) + { + os = gld${EMULATION_NAME}_place_orphan (s, output_name, 0); + os->addr_tree = NULL; + } + else if (params.ovly_flavour != ovly_soft_icache + && o != NULL && os->children.head != NULL) + { + lang_statement_list_type add; + + lang_list_init (&add); + lang_add_section (&add, s, NULL, os); + *add.tail = os->children.head; + os->children.head = add.head; + } + else + { + if (params.ovly_flavour == ovly_soft_icache && o != NULL) + { + /* Pad this stub section so that it finishes at the + end of the icache line. */ + etree_type *e_size; + + push_stat_ptr (&os->children); + e_size = exp_intop (params.line_size - s->size); + lang_add_assignment (exp_assign (".", e_size, FALSE)); + pop_stat_ptr (); + } + lang_add_section (&os->children, s, NULL, os); + } + + s->output_section->size += s->size; +} + +/* Load built-in overlay manager. */ + +static bfd_size_type +spu_elf_load_ovl_mgr (void) +{ + struct elf_link_hash_entry *h; + const char *ovly_mgr_entry; + const struct _ovl_stream *mgr_stream; + bfd_size_type total = 0; + + ovly_mgr_entry = "__ovly_load"; + mgr_stream = &ovl_mgr_stream; + if (params.ovly_flavour == ovly_soft_icache) + { + ovly_mgr_entry = "__icache_br_handler"; + mgr_stream = &icache_mgr_stream; + } + h = elf_link_hash_lookup (elf_hash_table (&link_info), + ovly_mgr_entry, FALSE, FALSE, FALSE); + + if (h != NULL + && (h->root.type == bfd_link_hash_defined + || h->root.type == bfd_link_hash_defweak) + && h->def_regular) + { + /* User supplied __ovly_load. */ + } + else if (mgr_stream->start == mgr_stream->end) + einfo ("%F%P: no built-in overlay manager\n"); + else + { + lang_input_statement_type *ovl_is; + + ovl_is = lang_add_input_file ("builtin ovl_mgr", + lang_input_file_is_file_enum, + NULL); + + if (!spu_elf_open_builtin_lib (&ovl_is->the_bfd, mgr_stream)) + einfo ("%X%P: can not open built-in overlay manager: %E\n"); + else + { + asection *in; + + if (!load_symbols (ovl_is, NULL)) + einfo ("%X%P: can not load built-in overlay manager: %E\n"); + + /* Map overlay manager sections to output sections. + First try for a matching output section name, if that + fails then try mapping .abc.xyz to .abc, otherwise map + to .text. */ + for (in = ovl_is->the_bfd->sections; in != NULL; in = in->next) + if ((in->flags & (SEC_ALLOC | SEC_LOAD)) + == (SEC_ALLOC | SEC_LOAD)) + { + const char *oname = in->name; + if (strncmp (in->name, ".ovl.init", 9) != 0) + { + total += in->size; + if (!lang_output_section_find (oname)) + { + lang_output_section_statement_type *os = NULL; + char *p = strchr (oname + 1, '.'); + if (p != NULL) + { + size_t len = p - oname; + p = memcpy (xmalloc (len + 1), oname, len); + p[len] = '\0'; + os = lang_output_section_find (p); + free (p); + } + if (os != NULL) + oname = os->name; + else + oname = ".text"; + } + } + + spu_place_special_section (in, NULL, oname); + } + } + } + return total; +} + +/* Go find if we need to do anything special for overlays. */ + +static void +spu_before_allocation (void) +{ + if (is_spu_target () + && !link_info.relocatable + && !no_overlays) + { + int ret; + + /* Size the sections. This is premature, but we need to know the + rough layout so that overlays can be found. */ + expld.phase = lang_mark_phase_enum; + expld.dataseg.phase = exp_dataseg_none; + one_lang_size_sections_pass (NULL, TRUE); + + /* Find overlays by inspecting section vmas. */ + ret = spu_elf_find_overlays (&link_info); + if (ret == 0) + einfo ("%X%P: can not find overlays: %E\n"); + else if (ret == 2) + { + lang_output_section_statement_type *os; + + if (params.auto_overlay != 0) + { + einfo ("%P: --auto-overlay ignored with user overlay script\n"); + params.auto_overlay = 0; + } + + /* Ensure alignment of overlay sections is sufficient. */ + for (os = &lang_output_section_statement.head->output_section_statement; + os != NULL; + os = os->next) + if (os->bfd_section != NULL + && spu_elf_section_data (os->bfd_section) != NULL + && spu_elf_section_data (os->bfd_section)->u.o.ovl_index != 0) + { + if (os->bfd_section->alignment_power < 4) + os->bfd_section->alignment_power = 4; + + /* Also ensure size rounds up. */ + os->block_value = 16; + } + + ret = spu_elf_size_stubs (&link_info); + if (ret == 0) + einfo ("%X%P: can not size overlay stubs: %E\n"); + else if (ret == 2) + spu_elf_load_ovl_mgr (); + + spu_elf_place_overlay_data (&link_info); + } + + /* We must not cache anything from the preliminary sizing. */ + lang_reset_memory_regions (); + } + + if (is_spu_target () + && !link_info.relocatable) + spu_elf_size_sections (link_info.output_bfd, &link_info); + + gld${EMULATION_NAME}_before_allocation (); +} + +struct tflist { + struct tflist *next; + char name[9]; +}; + +static struct tflist *tmp_file_list; + +static void clean_tmp (void) +{ + for (; tmp_file_list != NULL; tmp_file_list = tmp_file_list->next) + unlink (tmp_file_list->name); +} + +static int +new_tmp_file (char **fname) +{ + struct tflist *tf; + int fd; + + if (tmp_file_list == NULL) + atexit (clean_tmp); + tf = xmalloc (sizeof (*tf)); + tf->next = tmp_file_list; + tmp_file_list = tf; + memcpy (tf->name, "ldXXXXXX", sizeof (tf->name)); + *fname = tf->name; +#ifdef HAVE_MKSTEMP + fd = mkstemp (*fname); +#else + *fname = mktemp (*fname); + if (*fname == NULL) + return -1; + fd = open (*fname, O_RDWR | O_CREAT | O_EXCL, 0600); +#endif + return fd; +} + +static FILE * +spu_elf_open_overlay_script (void) +{ + FILE *script = NULL; + + if (auto_overlay_file == NULL) + { + int fd = new_tmp_file (&auto_overlay_file); + if (fd == -1) + goto file_err; + script = fdopen (fd, "w"); + } + else + script = fopen (auto_overlay_file, "w"); + + if (script == NULL) + { + file_err: + einfo ("%F%P: can not open script: %E\n"); + } + return script; +} + +#include <errno.h> + +static void +spu_elf_relink (void) +{ + const char *pex_return; + int status; + char **argv = xmalloc ((my_argc + 4) * sizeof (*argv)); + + memcpy (argv, my_argv, my_argc * sizeof (*argv)); + argv[my_argc++] = "--no-auto-overlay"; + if (tmp_file_list->name == auto_overlay_file) + argv[my_argc - 1] = concat (argv[my_argc - 1], "=", + auto_overlay_file, (const char *) NULL); + argv[my_argc++] = "-T"; + argv[my_argc++] = auto_overlay_file; + argv[my_argc] = 0; + + pex_return = pex_one (PEX_SEARCH | PEX_LAST, (const char *) argv[0], + (char * const *) argv, (const char *) argv[0], + NULL, NULL, & status, & errno); + if (pex_return != NULL) + { + perror (pex_return); + _exit (127); + } + exit (status); +} + +/* Final emulation specific call. */ + +static void +gld${EMULATION_NAME}_finish (void) +{ + if (is_spu_target ()) + { + if (params.local_store_lo < params.local_store_hi) + { + asection *s; + + s = spu_elf_check_vma (&link_info); + if (s != NULL && !params.auto_overlay) + einfo ("%X%P: %A exceeds local store range\n", s); + } + else if (params.auto_overlay) + einfo ("%P: --auto-overlay ignored with zero local store range\n"); + } + + finish_default (); +} + +static char * +gld${EMULATION_NAME}_choose_target (int argc, char *argv[]) +{ + my_argc = argc; + my_argv = argv; + return ldemul_default_target (argc, argv); +} + +EOF + +if grep -q 'ld_elf.*ppc.*_emulation' ldemul-list.h; then + fragment <<EOF +#include <errno.h> +#include "filenames.h" +#include "libiberty.h" + +static const char * +base_name (const char *path) +{ + const char *file = strrchr (path, '/'); +#ifdef HAVE_DOS_BASED_FILE_SYSTEM + { + char *bslash = strrchr (path, '\\\\'); + + if (file == NULL || (bslash != NULL && bslash > file)) + file = bslash; + if (file == NULL + && path[0] != '\0' + && path[1] == ':') + file = path + 1; + } +#endif + if (file == NULL) + file = path; + else + ++file; + return file; +} + +/* This function is called when building a ppc32 or ppc64 executable + to handle embedded spu images. */ +extern bfd_boolean embedded_spu_file (lang_input_statement_type *, const char *); + +bfd_boolean +embedded_spu_file (lang_input_statement_type *entry, const char *flags) +{ + const char *cmd[6]; + const char *pex_return; + const char *sym; + char *handle, *p; + char *oname; + int fd; + int status; + union lang_statement_union **old_stat_tail; + union lang_statement_union **old_file_tail; + union lang_statement_union *new_ent; + lang_input_statement_type *search; + + if (entry->the_bfd->format != bfd_object + || strcmp (entry->the_bfd->xvec->name, "elf32-spu") != 0 + || (entry->the_bfd->tdata.elf_obj_data->elf_header->e_type != ET_EXEC + && entry->the_bfd->tdata.elf_obj_data->elf_header->e_type != ET_DYN)) + return FALSE; + + /* Use the filename as the symbol marking the program handle struct. */ + sym = base_name (entry->the_bfd->filename); + + handle = xstrdup (sym); + for (p = handle; *p; ++p) + if (!(ISALNUM (*p) || *p == '$' || *p == '.')) + *p = '_'; + + fd = new_tmp_file (&oname); + if (fd == -1) + return FALSE; + close (fd); + + for (search = (lang_input_statement_type *) input_file_chain.head; + search != NULL; + search = (lang_input_statement_type *) search->next_real_file) + if (search->filename != NULL) + { + const char *infile = base_name (search->filename); + + if (strncmp (infile, "crtbegin", 8) == 0) + { + if (infile[8] == 'S') + flags = concat (flags, " -fPIC", (const char *) NULL); + else if (infile[8] == 'T') + flags = concat (flags, " -fpie", (const char *) NULL); + break; + } + } + + cmd[0] = EMBEDSPU; + cmd[1] = flags; + cmd[2] = handle; + cmd[3] = entry->the_bfd->filename; + cmd[4] = oname; + cmd[5] = NULL; + if (verbose) + { + info_msg (_("running: %s \"%s\" \"%s\" \"%s\" \"%s\"\n"), + cmd[0], cmd[1], cmd[2], cmd[3], cmd[4]); + fflush (stdout); + } + + pex_return = pex_one (PEX_SEARCH | PEX_LAST, cmd[0], (char *const *) cmd, + cmd[0], NULL, NULL, &status, &errno); + if (NULL != pex_return) { + if (strcmp ("embedspu", EMBEDSPU) != 0) + { + cmd[0] = "embedspu"; + pex_return = pex_one (PEX_SEARCH | PEX_LAST, cmd[0], (char *const *) cmd, + cmd[0], NULL, NULL, &status, &errno); + } + if (NULL != pex_return) { + perror (pex_return); + _exit (127); + } + } + if (status) + return FALSE; + + + old_stat_tail = stat_ptr->tail; + old_file_tail = input_file_chain.tail; + if (lang_add_input_file (oname, lang_input_file_is_file_enum, NULL) == NULL) + return FALSE; + + /* lang_add_input_file puts the new list entry at the end of the statement + and input file lists. Move it to just after the current entry. */ + new_ent = *old_stat_tail; + *old_stat_tail = NULL; + stat_ptr->tail = old_stat_tail; + *old_file_tail = NULL; + input_file_chain.tail = old_file_tail; + new_ent->header.next = entry->header.next; + entry->header.next = new_ent; + new_ent->input_statement.next_real_file = entry->next_real_file; + entry->next_real_file = new_ent; + + /* Ensure bfd sections are excluded from the output. */ + bfd_section_list_clear (entry->the_bfd); + entry->flags.loaded = TRUE; + return TRUE; +} + +EOF +fi + +# Define some shell vars to insert bits of code into the standard elf +# parse_args and list_options functions. +# +PARSE_AND_LIST_PROLOGUE=' +#define OPTION_SPU_PLUGIN 301 +#define OPTION_SPU_NO_OVERLAYS (OPTION_SPU_PLUGIN + 1) +#define OPTION_SPU_COMPACT_STUBS (OPTION_SPU_NO_OVERLAYS + 1) +#define OPTION_SPU_STUB_SYMS (OPTION_SPU_COMPACT_STUBS + 1) +#define OPTION_SPU_NON_OVERLAY_STUBS (OPTION_SPU_STUB_SYMS + 1) +#define OPTION_SPU_LOCAL_STORE (OPTION_SPU_NON_OVERLAY_STUBS + 1) +#define OPTION_SPU_STACK_ANALYSIS (OPTION_SPU_LOCAL_STORE + 1) +#define OPTION_SPU_STACK_SYMS (OPTION_SPU_STACK_ANALYSIS + 1) +#define OPTION_SPU_AUTO_OVERLAY (OPTION_SPU_STACK_SYMS + 1) +#define OPTION_SPU_AUTO_RELINK (OPTION_SPU_AUTO_OVERLAY + 1) +#define OPTION_SPU_OVERLAY_RODATA (OPTION_SPU_AUTO_RELINK + 1) +#define OPTION_SPU_SOFT_ICACHE (OPTION_SPU_OVERLAY_RODATA + 1) +#define OPTION_SPU_LINE_SIZE (OPTION_SPU_SOFT_ICACHE + 1) +#define OPTION_SPU_NUM_LINES (OPTION_SPU_LINE_SIZE + 1) +#define OPTION_SPU_LRLIVE (OPTION_SPU_NUM_LINES + 1) +#define OPTION_SPU_NON_IA_TEXT (OPTION_SPU_LRLIVE + 1) +#define OPTION_SPU_FIXED_SPACE (OPTION_SPU_NON_IA_TEXT + 1) +#define OPTION_SPU_RESERVED_SPACE (OPTION_SPU_FIXED_SPACE + 1) +#define OPTION_SPU_EXTRA_STACK (OPTION_SPU_RESERVED_SPACE + 1) +#define OPTION_SPU_NO_AUTO_OVERLAY (OPTION_SPU_EXTRA_STACK + 1) +#define OPTION_SPU_EMIT_FIXUPS (OPTION_SPU_NO_AUTO_OVERLAY + 1) +' + +PARSE_AND_LIST_LONGOPTS=' + { "plugin", no_argument, NULL, OPTION_SPU_PLUGIN }, + { "soft-icache", no_argument, NULL, OPTION_SPU_SOFT_ICACHE }, + { "lrlive-analysis", no_argument, NULL, OPTION_SPU_LRLIVE }, + { "num-lines", required_argument, NULL, OPTION_SPU_NUM_LINES }, + { "line-size", required_argument, NULL, OPTION_SPU_LINE_SIZE }, + { "non-ia-text", no_argument, NULL, OPTION_SPU_NON_IA_TEXT }, + { "no-overlays", no_argument, NULL, OPTION_SPU_NO_OVERLAYS }, + { "compact-stubs", no_argument, NULL, OPTION_SPU_COMPACT_STUBS }, + { "emit-stub-syms", no_argument, NULL, OPTION_SPU_STUB_SYMS }, + { "extra-overlay-stubs", no_argument, NULL, OPTION_SPU_NON_OVERLAY_STUBS }, + { "local-store", required_argument, NULL, OPTION_SPU_LOCAL_STORE }, + { "stack-analysis", no_argument, NULL, OPTION_SPU_STACK_ANALYSIS }, + { "emit-stack-syms", no_argument, NULL, OPTION_SPU_STACK_SYMS }, + { "auto-overlay", optional_argument, NULL, OPTION_SPU_AUTO_OVERLAY }, + { "auto-relink", no_argument, NULL, OPTION_SPU_AUTO_RELINK }, + { "overlay-rodata", no_argument, NULL, OPTION_SPU_OVERLAY_RODATA }, + { "num-regions", required_argument, NULL, OPTION_SPU_NUM_LINES }, + { "region-size", required_argument, NULL, OPTION_SPU_LINE_SIZE }, + { "fixed-space", required_argument, NULL, OPTION_SPU_FIXED_SPACE }, + { "reserved-space", required_argument, NULL, OPTION_SPU_RESERVED_SPACE }, + { "extra-stack-space", required_argument, NULL, OPTION_SPU_EXTRA_STACK }, + { "no-auto-overlay", optional_argument, NULL, OPTION_SPU_NO_AUTO_OVERLAY }, + { "emit-fixups", optional_argument, NULL, OPTION_SPU_EMIT_FIXUPS }, +' + +PARSE_AND_LIST_OPTIONS=' + fprintf (file, _("\ + --plugin Make SPU plugin.\n\ + --no-overlays No overlay handling.\n\ + --compact-stubs Use smaller and possibly slower call stubs.\n\ + --emit-stub-syms Add symbols on overlay call stubs.\n\ + --extra-overlay-stubs Add stubs on all calls out of overlay regions.\n\ + --local-store=lo:hi Valid address range.\n\ + --stack-analysis Estimate maximum stack requirement.\n\ + --emit-stack-syms Add sym giving stack needed for each func.\n\ + --auto-overlay [=filename] Create an overlay script in filename if\n\ + executable does not fit in local store.\n\ + --auto-relink Rerun linker using auto-overlay script.\n\ + --overlay-rodata Place read-only data with associated function\n\ + code in overlays.\n\ + --num-regions Number of overlay buffers (default 1).\n\ + --region-size Size of overlay buffers (default 0, auto).\n\ + --fixed-space=bytes Local store for non-overlay code and data.\n\ + --reserved-space=bytes Local store for stack and heap. If not specified\n\ + ld will estimate stack size and assume no heap.\n\ + --extra-stack-space=bytes Space for negative sp access (default 2000) if\n\ + --reserved-space not given.\n\ + --soft-icache Generate software icache overlays.\n\ + --num-lines Number of soft-icache lines (default 32).\n\ + --line-size Size of soft-icache lines (default 1k).\n\ + --non-ia-text Allow non-icache code in icache lines.\n\ + --lrlive-analysis Scan function prologue for lr liveness.\n" + )); +' + +PARSE_AND_LIST_ARGS_CASES=' + case OPTION_SPU_PLUGIN: + spu_elf_plugin (1); + break; + + case OPTION_SPU_NO_OVERLAYS: + no_overlays = 1; + break; + + case OPTION_SPU_COMPACT_STUBS: + params.compact_stub = 1; + break; + + case OPTION_SPU_STUB_SYMS: + params.emit_stub_syms = 1; + break; + + case OPTION_SPU_NON_OVERLAY_STUBS: + params.non_overlay_stubs = 1; + break; + + case OPTION_SPU_LOCAL_STORE: + { + char *end; + params.local_store_lo = strtoul (optarg, &end, 0); + if (*end == '\'':'\'') + { + params.local_store_hi = strtoul (end + 1, &end, 0); + if (*end == 0) + break; + } + einfo (_("%P%F: invalid --local-store address range `%s'\''\n"), optarg); + } + break; + + case OPTION_SPU_STACK_ANALYSIS: + params.stack_analysis = 1; + break; + + case OPTION_SPU_STACK_SYMS: + params.emit_stack_syms = 1; + break; + + case OPTION_SPU_AUTO_OVERLAY: + params.auto_overlay |= 1; + if (optarg != NULL) + { + auto_overlay_file = optarg; + break; + } + /* Fall thru */ + + case OPTION_SPU_AUTO_RELINK: + params.auto_overlay |= 2; + break; + + case OPTION_SPU_OVERLAY_RODATA: + params.auto_overlay |= 4; + break; + + case OPTION_SPU_SOFT_ICACHE: + params.ovly_flavour = ovly_soft_icache; + /* Software i-cache stubs are always "compact". */ + params.compact_stub = 1; + if (!num_lines_set) + params.num_lines = 32; + else if ((params.num_lines & -params.num_lines) != params.num_lines) + einfo (_("%P%F: invalid --num-lines/--num-regions `%u'\''\n"), + params.num_lines); + if (!line_size_set) + params.line_size = 1024; + else if ((params.line_size & -params.line_size) != params.line_size) + einfo (_("%P%F: invalid --line-size/--region-size `%u'\''\n"), + params.line_size); + break; + + case OPTION_SPU_LRLIVE: + params.lrlive_analysis = 1; + break; + + case OPTION_SPU_NON_IA_TEXT: + params.non_ia_text = 1; + break; + + case OPTION_SPU_NUM_LINES: + { + char *end; + params.num_lines = strtoul (optarg, &end, 0); + num_lines_set = 1; + if (*end == 0 + && (params.ovly_flavour != ovly_soft_icache + || (params.num_lines & -params.num_lines) == params.num_lines)) + break; + einfo (_("%P%F: invalid --num-lines/--num-regions `%s'\''\n"), optarg); + } + break; + + case OPTION_SPU_LINE_SIZE: + { + char *end; + params.line_size = strtoul (optarg, &end, 0); + line_size_set = 1; + if (*end == 0 + && (params.ovly_flavour != ovly_soft_icache + || (params.line_size & -params.line_size) == params.line_size)) + break; + einfo (_("%P%F: invalid --line-size/--region-size `%s'\''\n"), optarg); + } + break; + + case OPTION_SPU_FIXED_SPACE: + { + char *end; + params.auto_overlay_fixed = strtoul (optarg, &end, 0); + if (*end != 0) + einfo (_("%P%F: invalid --fixed-space value `%s'\''\n"), optarg); + } + break; + + case OPTION_SPU_RESERVED_SPACE: + { + char *end; + params.auto_overlay_reserved = strtoul (optarg, &end, 0); + if (*end != 0) + einfo (_("%P%F: invalid --reserved-space value `%s'\''\n"), optarg); + } + break; + + case OPTION_SPU_EXTRA_STACK: + { + char *end; + params.extra_stack_space = strtol (optarg, &end, 0); + if (*end != 0) + einfo (_("%P%F: invalid --extra-stack-space value `%s'\''\n"), optarg); + } + break; + + case OPTION_SPU_NO_AUTO_OVERLAY: + params.auto_overlay = 0; + if (optarg != NULL) + { + struct tflist *tf; + size_t len; + + if (tmp_file_list == NULL) + atexit (clean_tmp); + + len = strlen (optarg) + 1; + tf = xmalloc (sizeof (*tf) - sizeof (tf->name) + len); + memcpy (tf->name, optarg, len); + tf->next = tmp_file_list; + tmp_file_list = tf; + break; + } + break; + + case OPTION_SPU_EMIT_FIXUPS: + params.emit_fixups = 1; + break; +' + +LDEMUL_AFTER_OPEN=spu_after_open +LDEMUL_BEFORE_ALLOCATION=spu_before_allocation +LDEMUL_FINISH=gld${EMULATION_NAME}_finish +LDEMUL_CHOOSE_TARGET=gld${EMULATION_NAME}_choose_target |