# This shell script emits a C file. -*- C -*-
# It does some substitutions.
if [ -z "$MACHINE" ]; then
OUTPUT_ARCH=${ARCH}
else
OUTPUT_ARCH=${ARCH}:${MACHINE}
fi
cat >e${EMULATION_NAME}.c <<EOF
#define TARGET_IS_${EMULATION_NAME}
#include "bfd.h"
#include "sysdep.h"
#include "libiberty.h"
#include "safe-ctype.h"
#include "getopt.h"
#include "obstack.h"
#include "bfdlink.h"
#include "ld.h"
#include "ldmain.h"
#include "ldmisc.h"
#include "ldexp.h"
#include "ldlang.h"
#include "ldfile.h"
#include "ldemul.h"
#include "ldctor.h"
#include <ldgram.h>
#include "coff/internal.h"
#include "coff/xcoff.h"
#include "libcoff.h"
#include "libxcoff.h"
static void gld${EMULATION_NAME}_read_file (const char *, bfd_boolean);
static void gld${EMULATION_NAME}_free (void *);
static void gld${EMULATION_NAME}_find_relocs (lang_statement_union_type *);
static void gld${EMULATION_NAME}_find_exp_assignment (etree_type *);
static unsigned long file_align;
static unsigned long maxstack;
static unsigned long maxdata;
static int gc = 1;
static unsigned short modtype = ('1' << 8) | 'L';
static int textro;
static int unix_ld;
struct filelist
{
struct filelist *next;
const char *name;
};
static struct filelist *import_files;
struct export_symbol_list
{
struct export_symbol_list *next;
const char *name;
};
static struct export_symbol_list *export_symbols;
static unsigned int symbol_mode = 0x04;
static unsigned int symbol_mode_mask = 0x0d;
static int is_64bit = 0;
static unsigned int syscall_mask = 0x77;
static lang_input_statement_type *initfini_file;
static int rtld;
static char *command_line_blibpath = NULL;
static void
gld${EMULATION_NAME}_before_parse (void)
{
ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*
config.has_shared = TRUE;
link_info.init_function = NULL;
link_info.fini_function = NULL;
}
enum
{
OPTION_IGNORE = 300,
OPTION_AUTOIMP,
OPTION_ERNOTOK,
OPTION_EROK,
OPTION_EXPORT,
OPTION_IMPORT,
OPTION_INITFINI,
OPTION_LOADMAP,
OPTION_MAXDATA,
OPTION_MAXSTACK,
OPTION_MODTYPE,
OPTION_NOAUTOIMP,
OPTION_NOSTRCMPCT,
OPTION_PD,
OPTION_PT,
OPTION_STRCMPCT,
OPTION_UNIX,
OPTION_32,
OPTION_64,
OPTION_LIBPATH,
OPTION_NOLIBPATH,
};
static void
gld${EMULATION_NAME}_add_options
(int ns, char **shortopts, int nl, struct option **longopts,
int nrl ATTRIBUTE_UNUSED, struct option **really_longopts ATTRIBUTE_UNUSED)
{
static const char xtra_short[] = "D:H:KT:z";
static const struct option xtra_long[] = {
{"basis", no_argument, NULL, OPTION_IGNORE},
{"bautoimp", no_argument, NULL, OPTION_AUTOIMP},
{"bcomprld", no_argument, NULL, OPTION_IGNORE},
{"bcrld", no_argument, NULL, OPTION_IGNORE},
{"bcror31", no_argument, NULL, OPTION_IGNORE},
{"bD", required_argument, NULL, OPTION_MAXDATA},
{"bE", required_argument, NULL, OPTION_EXPORT},
{"bernotok", no_argument, NULL, OPTION_ERNOTOK},
{"berok", no_argument, NULL, OPTION_EROK},
{"berrmsg", no_argument, NULL, OPTION_IGNORE},
{"bexport", required_argument, NULL, OPTION_EXPORT},
{"bf", no_argument, NULL, OPTION_ERNOTOK},
{"bgc", no_argument, &gc, 1},
{"bh", required_argument, NULL, OPTION_IGNORE},
{"bhalt", required_argument, NULL, OPTION_IGNORE},
{"bI", required_argument, NULL, OPTION_IMPORT},
{"bimport", required_argument, NULL, OPTION_IMPORT},
{"binitfini", required_argument, NULL, OPTION_INITFINI},
{"bl", required_argument, NULL, OPTION_LOADMAP},
{"bloadmap", required_argument, NULL, OPTION_LOADMAP},
{"bmaxdata", required_argument, NULL, OPTION_MAXDATA},
{"bmaxstack", required_argument, NULL, OPTION_MAXSTACK},
{"bM", required_argument, NULL, OPTION_MODTYPE},
{"bmodtype", required_argument, NULL, OPTION_MODTYPE},
{"bnoautoimp", no_argument, NULL, OPTION_NOAUTOIMP},
{"bnodelcsect", no_argument, NULL, OPTION_IGNORE},
{"bnoentry", no_argument, NULL, OPTION_IGNORE},
{"bnogc", no_argument, &gc, 0},
{"bnso", no_argument, NULL, OPTION_NOAUTOIMP},
{"bnostrcmpct", no_argument, NULL, OPTION_NOSTRCMPCT},
{"bnotextro", no_argument, &textro, 0},
{"bnro", no_argument, &textro, 0},
{"bpD", required_argument, NULL, OPTION_PD},
{"bpT", required_argument, NULL, OPTION_PT},
{"bro", no_argument, &textro, 1},
{"brtl", no_argument, &rtld, 1},
{"bnortl", no_argument, &rtld, 0},
{"bnortllib", no_argument, &rtld, 0},
{"bS", required_argument, NULL, OPTION_MAXSTACK},
{"bso", no_argument, NULL, OPTION_AUTOIMP},
{"bstrcmpct", no_argument, NULL, OPTION_STRCMPCT},
{"btextro", no_argument, &textro, 1},
{"b32", no_argument, NULL, OPTION_32},
{"b64", no_argument, NULL, OPTION_64},
{"static", no_argument, NULL, OPTION_NOAUTOIMP},
{"unix", no_argument, NULL, OPTION_UNIX},
{"blibpath", required_argument, NULL, OPTION_LIBPATH},
{"bnolibpath", required_argument, NULL, OPTION_NOLIBPATH},
{NULL, no_argument, NULL, 0}
};
*shortopts = (char *) xrealloc (*shortopts, ns + sizeof (xtra_short));
memcpy (*shortopts + ns, &xtra_short, sizeof (xtra_short));
*longopts = xrealloc (*longopts,
nl * sizeof (struct option) + sizeof (xtra_long));
memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long));
}
static bfd_boolean
gld${EMULATION_NAME}_parse_args (int argc, char **argv)
{
int indx;
indx = optind;
if (indx == 0)
indx = 1;
if (indx < argc && strncmp (argv[indx], "-b", 2) == 0)
{
char *s;
for (s = argv[indx]; *s != '\0'; s++)
{
if (*s == ':')
{
*s = '=';
break;
}
}
}
return FALSE;
}
static bfd_boolean
gld${EMULATION_NAME}_handle_option (int optc)
{
bfd_signed_vma val;
const char *end;
switch (optc)
{
default:
return FALSE;
case 0:
break;
case 'D':
val = bfd_scan_vma (optarg, &end, 0);
if (*end != '\0')
einfo ("%P: warning: ignoring invalid -D number %s\n", optarg);
else if (val != -1)
lang_section_start (".data", exp_intop (val), NULL);
break;
case 'H':
val = bfd_scan_vma (optarg, &end, 0);
if (*end != '\0' || (val & (val - 1)) != 0)
einfo ("%P: warning: ignoring invalid -H number %s\n", optarg);
else
file_align = val;
break;
case 'K':
case 'z':
file_align = 4096;
break;
case 'T':
val = bfd_scan_vma (optarg, &end, 0);
if (*end != '\0')
return FALSE;
lang_section_start (".text", exp_intop (val), NULL);
break;
case OPTION_IGNORE:
break;
case OPTION_INITFINI:
{
char *t, *i, *f;
i = t = optarg;
while (*t && ':' != *t)
t++;
if (*t)
*t++ = 0;
if (0 != strlen (i))
link_info.init_function = i;
f = t;
while (*t && ':' != *t)
t++;
*t = 0;
if (0 != strlen (f))
link_info.fini_function = f;
}
break;
case OPTION_AUTOIMP:
link_info.static_link = FALSE;
break;
case OPTION_ERNOTOK:
force_make_executable = FALSE;
break;
case OPTION_EROK:
force_make_executable = TRUE;
break;
case OPTION_EXPORT:
gld${EMULATION_NAME}_read_file (optarg, FALSE);
break;
case OPTION_IMPORT:
{
struct filelist *n;
struct filelist **flpp;
n = (struct filelist *) xmalloc (sizeof (struct filelist));
n->next = NULL;
n->name = optarg;
flpp = &import_files;
while (*flpp != NULL)
flpp = &(*flpp)->next;
*flpp = n;
}
break;
case OPTION_LOADMAP:
config.map_filename = optarg;
break;
case OPTION_MAXDATA:
val = bfd_scan_vma (optarg, &end, 0);
if (*end != '\0')
einfo ("%P: warning: ignoring invalid -bmaxdata number %s\n", optarg);
else
maxdata = val;
break;
case OPTION_MAXSTACK:
val = bfd_scan_vma (optarg, &end, 0);
if (*end != '\0')
einfo ("%P: warning: ignoring invalid -bmaxstack number %s\n",
optarg);
else
maxstack = val;
break;
case OPTION_MODTYPE:
if (*optarg == 'S')
{
link_info.shared = TRUE;
++optarg;
}
if (*optarg == '\0' || optarg[1] == '\0')
einfo ("%P: warning: ignoring invalid module type %s\n", optarg);
else
modtype = (*optarg << 8) | optarg[1];
break;
case OPTION_NOAUTOIMP:
link_info.static_link = TRUE;
break;
case OPTION_NOSTRCMPCT:
link_info.traditional_format = TRUE;
break;
case OPTION_PD:
val = bfd_scan_vma (optarg, &end, 0);
if (*end != '\0')
einfo ("%P: warning: ignoring invalid -pD number %s\n", optarg);
else
{
etree_type *t;
t = exp_binop ('+',
exp_intop (val),
exp_binop ('&',
exp_nameop (NAME, "."),
exp_intop (0xfff)));
t = exp_binop ('&',
exp_binop ('+', t, exp_intop (31)),
exp_intop (~(bfd_vma) 31));
lang_section_start (".data", t, NULL);
}
break;
case OPTION_PT:
val = bfd_scan_vma (optarg, &end, 0);
if (*end != '\0')
einfo ("%P: warning: ignoring invalid -pT number %s\n", optarg);
else
{
etree_type *t;
t = exp_binop ('+',
exp_intop (val),
exp_nameop (SIZEOF_HEADERS, NULL));
t = exp_binop ('&',
exp_binop ('+', t, exp_intop (31)),
exp_intop (~(bfd_vma) 31));
lang_section_start (".text", t, NULL);
}
break;
case OPTION_STRCMPCT:
link_info.traditional_format = FALSE;
break;
case OPTION_UNIX:
unix_ld = TRUE;
break;
case OPTION_32:
is_64bit = 0;
syscall_mask = 0x77;
symbol_mode_mask = 0x0d;
break;
case OPTION_64:
is_64bit = 1;
syscall_mask = 0xcc;
symbol_mode_mask = 0x0e;
break;
case OPTION_LIBPATH:
command_line_blibpath = optarg;
break;
case OPTION_NOLIBPATH:
command_line_blibpath = NULL;
break;
}
return TRUE;
}
static bfd_boolean
gld${EMULATION_NAME}_unrecognized_file (lang_input_statement_type *entry)
{
FILE *e;
bfd_boolean ret;
e = fopen (entry->filename, FOPEN_RT);
if (e == NULL)
return FALSE;
ret = FALSE;
if (getc (e) == '#' && getc (e) == '!')
{
struct filelist *n;
struct filelist **flpp;
n = (struct filelist *) xmalloc (sizeof (struct filelist));
n->next = NULL;
n->name = entry->filename;
flpp = &import_files;
while (*flpp != NULL)
flpp = &(*flpp)->next;
*flpp = n;
ret = TRUE;
entry->loaded = TRUE;
}
fclose (e);
return ret;
}
static void
gld${EMULATION_NAME}_after_open (void)
{
bfd_boolean r;
struct set_info *p;
r = link_info.relocatable;
if (strstr (bfd_get_target (output_bfd), "xcoff") != NULL)
link_info.relocatable = TRUE;
ldctor_build_sets ();
link_info.relocatable = r;
for (p = sets; p != (struct set_info *) NULL; p = p->next)
{
bfd_size_type size;
if (p->h->type == bfd_link_hash_defined
|| p->h->type == bfd_link_hash_defweak)
continue;
if (p->reloc != BFD_RELOC_CTOR)
{
abort ();
}
size = (p->count + 2) * 4;
if (!bfd_xcoff_link_record_set (output_bfd, &link_info, p->h, size))
einfo ("%F%P: bfd_xcoff_link_record_set failed: %E\n");
}
}
static void
gld${EMULATION_NAME}_before_allocation (void)
{
struct filelist *fl;
struct export_symbol_list *el;
char *libpath;
asection *special_sections[XCOFF_NUMBER_OF_SPECIAL_SECTIONS];
int i;
for (fl = import_files; fl != NULL; fl = fl->next)
gld${EMULATION_NAME}_read_file (fl->name, TRUE);
for (el = export_symbols; el != NULL; el = el->next)
{
struct bfd_link_hash_entry *h;
h = bfd_link_hash_lookup (link_info.hash, el->name, FALSE, FALSE, FALSE);
if (h == NULL)
einfo ("%P%F: bfd_link_hash_lookup of export symbol failed: %E\n");
if (!bfd_xcoff_export_symbol (output_bfd, &link_info, h))
einfo ("%P%F: bfd_xcoff_export_symbol failed: %E\n");
}
lang_for_each_statement (gld${EMULATION_NAME}_find_relocs);
if (command_line_blibpath != NULL)
libpath = command_line_blibpath;
else if (command_line.rpath != NULL)
libpath = command_line.rpath;
else if (search_head == NULL)
libpath = (char *) "";
else
{
size_t len;
search_dirs_type *search;
len = strlen (search_head->name);
libpath = xmalloc (len + 1);
strcpy (libpath, search_head->name);
for (search = search_head->next; search != NULL; search = search->next)
{
size_t nlen;
nlen = strlen (search->name);
libpath = xrealloc (libpath, len + nlen + 2);
libpath[len] = ':';
strcpy (libpath + len + 1, search->name);
len += nlen + 1;
}
}
if (!bfd_xcoff_size_dynamic_sections
(output_bfd, &link_info, libpath, entry_symbol.name, file_align,
maxstack, maxdata, gc && !unix_ld ? TRUE : FALSE,
modtype, textro ? TRUE : FALSE, unix_ld, special_sections,
rtld ? TRUE : FALSE))
einfo ("%P%F: failed to set dynamic section sizes: %E\n");
for (i = 0; i < XCOFF_NUMBER_OF_SPECIAL_SECTIONS; i++)
{
asection *sec;
lang_output_section_statement_type *os;
lang_statement_union_type **pls;
lang_input_section_type *is;
const char *oname;
bfd_boolean start;
sec = special_sections[i];
if (sec == NULL)
continue;
is = NULL;
os = lang_output_section_find (sec->output_section->name);
if (os == NULL)
einfo ("%P%F: can't find output section %s\n",
sec->output_section->name);
for (pls = &os->children.head; *pls != NULL; pls = &(*pls)->header.next)
{
if ((*pls)->header.type == lang_input_section_enum
&& (*pls)->input_section.section == sec)
{
is = (lang_input_section_type *) * pls;
*pls = (*pls)->header.next;
break;
}
if ((*pls)->header.type == lang_wild_statement_enum)
{
lang_statement_union_type **pwls;
for (pwls = &(*pls)->wild_statement.children.head;
*pwls != NULL; pwls = &(*pwls)->header.next)
{
if ((*pwls)->header.type == lang_input_section_enum
&& (*pwls)->input_section.section == sec)
{
is = (lang_input_section_type *) * pwls;
*pwls = (*pwls)->header.next;
break;
}
}
if (is != NULL)
break;
}
}
if (is == NULL)
{
einfo ("%P%F: can't find %s in output section\n",
bfd_get_section_name (sec->owner, sec));
}
switch (i)
{
default:
case XCOFF_SPECIAL_SECTION_TEXT:
oname = ".text";
start = TRUE;
break;
case XCOFF_SPECIAL_SECTION_ETEXT:
oname = ".text";
start = FALSE;
break;
case XCOFF_SPECIAL_SECTION_DATA:
oname = ".data";
start = TRUE;
break;
case XCOFF_SPECIAL_SECTION_EDATA:
oname = ".data";
start = FALSE;
break;
case XCOFF_SPECIAL_SECTION_END:
case XCOFF_SPECIAL_SECTION_END2:
oname = ".bss";
start = FALSE;
break;
}
os = lang_output_section_find (oname);
if (start)
{
is->header.next = os->children.head;
os->children.head = (lang_statement_union_type *) is;
}
else
{
is->header.next = NULL;
lang_statement_append (&os->children,
(lang_statement_union_type *) is,
&is->header.next);
}
}
}
static char *
gld${EMULATION_NAME}_choose_target (int argc, char **argv)
{
int i, j, jmax;
static char *from_outside;
static char *from_inside;
static char *argv_to_target[][2] = {
{NULL, "${OUTPUT_FORMAT}"},
{"-b32", "${OUTPUT_FORMAT_32BIT}"},
{"-b64", "${OUTPUT_FORMAT_64BIT}"},
};
jmax = 3;
from_outside = getenv (TARGET_ENVIRON);
if (from_outside != (char *) NULL)
return from_outside;
from_inside = argv_to_target[0][1];
for (i = 1; i < argc; i++)
{
for (j = 1; j < jmax; j++)
{
if (0 == strcmp (argv[i], argv_to_target[j][0]))
from_inside = argv_to_target[j][1];
}
}
return from_inside;
}
static int
change_symbol_mode (char *input)
{
char *symbol_mode_string[] = {
"# 32",
"# 64",
"# no32",
"# no64",
NULL,
};
unsigned int bit;
char *string;
for (bit = 0;; bit++)
{
string = symbol_mode_string[bit];
if (string == NULL)
return 0;
if (0 == strcmp (input, string))
{
symbol_mode = (1 << bit);
return 1;
}
}
return 0;
}
static int
is_syscall (char *input, unsigned int *flag)
{
unsigned int bit;
char *string;
struct sc {
char *syscall_string;
unsigned int flag;
} s [] = {
{ "svc" , XCOFF_SYSCALL32 },
{ "svc32" , XCOFF_SYSCALL32 },
{ "svc3264" , XCOFF_SYSCALL32 | XCOFF_SYSCALL64 },
{ "svc64" , XCOFF_SYSCALL64 },
{ "syscall" , XCOFF_SYSCALL32 },
{ "syscall32" , XCOFF_SYSCALL32 },
{ "syscall3264" , XCOFF_SYSCALL32 | XCOFF_SYSCALL64 },
{ "syscall64" , XCOFF_SYSCALL64 },
{ NULL, 0 },
};
*flag = 0;
for (bit = 0;; bit++)
{
string = s[bit].syscall_string;
if (string == NULL)
return -1;
if (0 == strcmp (input, string))
{
if (1 << bit & syscall_mask)
{
*flag = s[bit].flag;
return 1;
}
else
{
return 0;
}
}
}
return -1;
}
static void
gld${EMULATION_NAME}_read_file (const char *filename, bfd_boolean import)
{
struct obstack *o;
FILE *f;
int lineno;
int c;
bfd_boolean keep;
const char *imppath;
const char *impfile;
const char *impmember;
o = (struct obstack *) xmalloc (sizeof (struct obstack));
obstack_specify_allocation (o, 0, 0, xmalloc, gld${EMULATION_NAME}_free);
f = fopen (filename, FOPEN_RT);
if (f == NULL)
{
bfd_set_error (bfd_error_system_call);
einfo ("%F%s: %E\n", filename);
}
keep = FALSE;
imppath = NULL;
impfile = NULL;
impmember = NULL;
lineno = 0;
symbol_mode = 0x04;
while ((c = getc (f)) != EOF)
{
char *s;
char *symname;
unsigned int syscall_flag = 0;
bfd_vma address;
struct bfd_link_hash_entry *h;
if (c != '\n')
{
obstack_1grow (o, c);
continue;
}
obstack_1grow (o, '\0');
++lineno;
s = (char *) obstack_base (o);
while (ISSPACE (*s))
++s;
if (*s == '\0'
|| *s == '*'
|| change_symbol_mode (s)
|| (*s == '#' && s[1] == ' ')
|| (!import && *s == '#' && s[1] == '!'))
{
obstack_free (o, obstack_base (o));
continue;
}
if (*s == '#' && s[1] == '!')
{
s += 2;
while (ISSPACE (*s))
++s;
if (*s == '\0')
{
imppath = NULL;
impfile = NULL;
impmember = NULL;
obstack_free (o, obstack_base (o));
}
else if (*s == '(')
einfo ("%F%s%d: #! ([member]) is not supported in import files\n",
filename, lineno);
else
{
char cs;
char *file;
(void) obstack_finish (o);
keep = TRUE;
imppath = s;
file = NULL;
while (!ISSPACE (*s) && *s != '(' && *s != '\0')
{
if (*s == '/')
file = s + 1;
++s;
}
if (file != NULL)
{
file[-1] = '\0';
impfile = file;
if (imppath == file - 1)
imppath = "/";
}
else
{
impfile = imppath;
imppath = "";
}
cs = *s;
*s = '\0';
while (ISSPACE (cs))
{
++s;
cs = *s;
}
if (cs != '(')
{
impmember = "";
if (cs != '\0')
einfo ("%s:%d: warning: syntax error in import file\n",
filename, lineno);
}
else
{
++s;
impmember = s;
while (*s != ')' && *s != '\0')
++s;
if (*s == ')')
*s = '\0';
else
einfo ("%s:%d: warning: syntax error in import file\n",
filename, lineno);
}
}
continue;
}
if (symbol_mode & symbol_mode_mask)
{
symname = s;
syscall_flag = 0;
address = (bfd_vma) -1;
while (!ISSPACE (*s) && *s != '\0')
++s;
if (*s != '\0')
{
char *se;
*s++ = '\0';
while (ISSPACE (*s))
++s;
se = s;
while (!ISSPACE (*se) && *se != '\0')
++se;
if (*se != '\0')
{
*se++ = '\0';
while (ISSPACE (*se))
++se;
if (*se != '\0')
einfo ("%s%d: warning: syntax error in import/export file\n",
filename, lineno);
}
if (s != se)
{
int status;
const char *end;
status = is_syscall (s, &syscall_flag);
if (0 > status)
{
address = bfd_scan_vma (s, &end, 0);
if (*end != '\0')
{
einfo ("%s:%d: warning: syntax error in import/export file\n",
filename, lineno);
}
}
}
}
if (!import)
{
struct export_symbol_list *n;
ldlang_add_undef (symname);
n = ((struct export_symbol_list *)
xmalloc (sizeof (struct export_symbol_list)));
n->next = export_symbols;
n->name = xstrdup (symname);
export_symbols = n;
}
else
{
h = bfd_link_hash_lookup (link_info.hash, symname, FALSE, FALSE,
TRUE);
if (h == NULL || h->type == bfd_link_hash_new)
{
}
else
{
if (!bfd_xcoff_import_symbol (output_bfd, &link_info, h,
address, imppath, impfile,
impmember, syscall_flag))
einfo ("%X%s:%d: failed to import symbol %s: %E\n",
filename, lineno, symname);
}
}
}
obstack_free (o, obstack_base (o));
}
if (obstack_object_size (o) > 0)
{
einfo ("%s:%d: warning: ignoring unterminated last line\n",
filename, lineno);
obstack_free (o, obstack_base (o));
}
if (!keep)
{
obstack_free (o, NULL);
free (o);
}
}
static void
gld${EMULATION_NAME}_free (void *p)
{
free (p);
}
static void
gld${EMULATION_NAME}_find_relocs (lang_statement_union_type *s)
{
if (s->header.type == lang_reloc_statement_enum)
{
lang_reloc_statement_type *rs;
rs = &s->reloc_statement;
if (rs->name == NULL)
einfo ("%F%P: only relocations against symbols are permitted\n");
if (!bfd_xcoff_link_count_reloc (output_bfd, &link_info, rs->name))
einfo ("%F%P: bfd_xcoff_link_count_reloc failed: %E\n");
}
if (s->header.type == lang_assignment_statement_enum)
gld${EMULATION_NAME}_find_exp_assignment (s->assignment_statement.exp);
}
static void
gld${EMULATION_NAME}_find_exp_assignment (etree_type *exp)
{
struct bfd_link_hash_entry *h;
switch (exp->type.node_class)
{
case etree_provide:
h = bfd_link_hash_lookup (link_info.hash, exp->assign.dst,
FALSE, FALSE, FALSE);
if (h == NULL)
break;
case etree_assign:
if (strcmp (exp->assign.dst, ".") != 0)
{
if (!bfd_xcoff_record_link_assignment (output_bfd, &link_info,
exp->assign.dst))
einfo ("%P%F: failed to record assignment to %s: %E\n",
exp->assign.dst);
}
gld${EMULATION_NAME}_find_exp_assignment (exp->assign.src);
break;
case etree_binary:
gld${EMULATION_NAME}_find_exp_assignment (exp->binary.lhs);
gld${EMULATION_NAME}_find_exp_assignment (exp->binary.rhs);
break;
case etree_trinary:
gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.cond);
gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.lhs);
gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.rhs);
break;
case etree_unary:
gld${EMULATION_NAME}_find_exp_assignment (exp->unary.child);
break;
default:
break;
}
}
static char *
gld${EMULATION_NAME}_get_script (int *isfile)
EOF
if test -n "$COMPILE_IN"
then
# Scripts compiled in.
# sed commands to quote an ld script as a C string.
sc="-f ${srcdir}/emultempl/ostring.sed"
cat >>e${EMULATION_NAME}.c <<EOF
{
*isfile = 0;
if (link_info.relocatable && config.build_constructors)
return
EOF
sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
echo ' ; else if (link_info.relocatable) return' >> e${EMULATION_NAME}.c
sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
echo ' ; else return' >> e${EMULATION_NAME}.c
sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
echo '; }' >> e${EMULATION_NAME}.c
else
# Scripts read from the filesystem.
cat >>e${EMULATION_NAME}.c <<EOF
{
*isfile = 1;
if (link_info.relocatable && config.build_constructors)
return "ldscripts/${EMULATION_NAME}.xu";
else if (link_info.relocatable)
return "ldscripts/${EMULATION_NAME}.xr";
else if (!config.text_read_only)
return "ldscripts/${EMULATION_NAME}.xbn";
else if (!config.magic_demand_paged)
return "ldscripts/${EMULATION_NAME}.xn";
else
return "ldscripts/${EMULATION_NAME}.x";
}
EOF
fi
cat >>e${EMULATION_NAME}.c <<EOF
static void
gld${EMULATION_NAME}_create_output_section_statements (void)
{
if ((bfd_get_flavour (output_bfd) == bfd_target_xcoff_flavour)
&& (link_info.init_function != NULL
|| link_info.fini_function != NULL
|| rtld))
{
initfini_file = lang_add_input_file ("initfini",
lang_input_file_is_file_enum,
NULL);
initfini_file->the_bfd = bfd_create ("initfini", output_bfd);
if (initfini_file->the_bfd == NULL
|| ! bfd_set_arch_mach (initfini_file->the_bfd,
bfd_get_arch (output_bfd),
bfd_get_mach (output_bfd)))
{
einfo ("%X%P: can not create BFD %E\n");
return;
}
if (! bfd_xcoff_link_generate_rtinit (initfini_file->the_bfd,
link_info.init_function,
link_info.fini_function,
rtld))
{
einfo ("%X%P: can not create BFD %E\n");
return;
}
if (rtld)
lang_add_input_file ("rtl", lang_input_file_is_l_enum, NULL);
}
}
static void
gld${EMULATION_NAME}_set_output_arch (void)
{
bfd_set_arch_mach (output_bfd,
bfd_xcoff_architecture (output_bfd),
bfd_xcoff_machine (output_bfd));
ldfile_output_architecture = bfd_get_arch (output_bfd);
ldfile_output_machine = bfd_get_mach (output_bfd);
ldfile_output_machine_name = bfd_printable_name (output_bfd);
}
struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation = {
gld${EMULATION_NAME}_before_parse,
syslib_default,
hll_default,
after_parse_default,
gld${EMULATION_NAME}_after_open,
after_allocation_default,
gld${EMULATION_NAME}_set_output_arch,
gld${EMULATION_NAME}_choose_target,
gld${EMULATION_NAME}_before_allocation,
gld${EMULATION_NAME}_get_script,
"${EMULATION_NAME}",
"${OUTPUT_FORMAT}",
0,
gld${EMULATION_NAME}_create_output_section_statements,
0,
0,
0,
gld${EMULATION_NAME}_parse_args,
gld${EMULATION_NAME}_add_options,
gld${EMULATION_NAME}_handle_option,
gld${EMULATION_NAME}_unrecognized_file,
NULL,
NULL,
NULL,
NULL
};
EOF