mirror of
https://github.com/autc04/Retro68.git
synced 2024-08-16 13:29:10 +00:00
825 lines
23 KiB
Plaintext
825 lines
23 KiB
Plaintext
# 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 ${srcdir}/emultempl/spu_icache.o_c"
|
|
echo >&2 "You must build gas/as-new with --target=spu"
|
|
exit 1
|
|
fi
|
|
|
|
fragment <<EOF
|
|
};
|
|
|
|
static const struct _ovl_stream ovl_mgr_stream = {
|
|
ovl_mgr,
|
|
ovl_mgr + sizeof (ovl_mgr)
|
|
};
|
|
|
|
static const struct _ovl_stream icache_mgr_stream = {
|
|
icache_mgr,
|
|
icache_mgr + sizeof (icache_mgr)
|
|
};
|
|
|
|
|
|
static int
|
|
is_spu_target (void)
|
|
{
|
|
extern const bfd_target bfd_elf32_spu_vec;
|
|
|
|
return link_info.output_bfd->xvec == &bfd_elf32_spu_vec;
|
|
}
|
|
|
|
/* Create our note section. */
|
|
|
|
static void
|
|
spu_after_open (void)
|
|
{
|
|
if (is_spu_target ())
|
|
{
|
|
/* Pass params to backend. */
|
|
if ((params.auto_overlay & AUTO_OVERLAY) == 0)
|
|
params.auto_overlay = 0;
|
|
params.emit_stub_syms |= link_info.emitrelocations;
|
|
spu_elf_setup (&link_info, ¶ms);
|
|
|
|
if (link_info.relocatable)
|
|
lang_add_unique (".text.ia.*");
|
|
|
|
if (!link_info.relocatable
|
|
&& link_info.input_bfds != NULL
|
|
&& !spu_elf_create_sections (&link_info))
|
|
einfo ("%X%P: can not create note section: %E\n");
|
|
}
|
|
|
|
gld${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, 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
|