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-rw-r--r--binutils-2.21/ld/emultempl/spuelf.em824
1 files changed, 824 insertions, 0 deletions
diff --git a/binutils-2.21/ld/emultempl/spuelf.em b/binutils-2.21/ld/emultempl/spuelf.em
new file mode 100644
index 0000000..2ea760a
--- /dev/null
+++ b/binutils-2.21/ld/emultempl/spuelf.em
@@ -0,0 +1,824 @@
+# This shell script emits a C file. -*- C -*-
+# Copyright 2006, 2007, 2008, 2009 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 ${srcdir}/emultempl/spu_icache.o_c"
+ echo >&2 "You must build gas/as-new with --target=spu"
+ exit 1
+fi
+
+fragment <<EOF
+};
+
+static const struct _ovl_stream ovl_mgr_stream = {
+ ovl_mgr,
+ ovl_mgr + sizeof (ovl_mgr)
+};
+
+static const struct _ovl_stream icache_mgr_stream = {
+ icache_mgr,
+ icache_mgr + sizeof (icache_mgr)
+};
+
+
+static int
+is_spu_target (void)
+{
+ extern const bfd_target bfd_elf32_spu_vec;
+
+ return link_info.output_bfd->xvec == &bfd_elf32_spu_vec;
+}
+
+/* Create our note section. */
+
+static void
+spu_after_open (void)
+{
+ if (is_spu_target ())
+ {
+ /* Pass params to backend. */
+ if ((params.auto_overlay & AUTO_OVERLAY) == 0)
+ params.auto_overlay = 0;
+ params.emit_stub_syms |= link_info.emitrelocations;
+ spu_elf_setup (&link_info, &params);
+
+ if (link_info.relocatable)
+ lang_add_unique (".text.ia.*");
+
+ if (!link_info.relocatable
+ && link_info.input_bfds != NULL
+ && !spu_elf_create_sections (&link_info))
+ einfo ("%X%P: can not create note section: %E\n");
+ }
+
+ gld${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, 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_assop ('=', ".", e_size));
+ pop_stat_ptr ();
+ }
+ lang_add_section (&os->children, s, 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;
+}
+
+static void
+spu_elf_relink (void)
+{
+ 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;
+ execvp (argv[0], (char *const *) argv);
+ perror (argv[0]);
+ _exit (127);
+}
+
+/* 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 (trace_file_tries)
+ {
+ 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->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