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darling-gdb/binutils/srconv.c
Nick Clifton 8b53311e10 Tidy up formatting of --help output.
2002-01-23 16:12:56 +00:00

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/* srconv.c -- Sysroff conversion program
Copyright 1994, 1995, 1996, 1998, 1999, 2000, 2001, 2002
Free Software Foundation, Inc.
This file is part of 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 2 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., 59 Temple Place - Suite 330, Boston, MA
02111-1307, USA. */
/* Written by Steve Chamberlain (sac@cygnus.com)
This program can be used to convert a coff object file
into a Hitachi OM/LM (Sysroff) format.
All debugging information is preserved */
#include <bfd.h>
#include "bucomm.h"
#include "sysroff.h"
#include "coffgrok.h"
#include <libiberty.h>
#include <getopt.h>
#include "coff/internal.h"
#include "../bfd/libcoff.h"
/*#define FOOP1 1 */
static int addrsize;
static char *toolname;
static char **rnames;
static int get_member_id PARAMS ((int));
static int get_ordinary_id PARAMS ((int));
static char *section_translate PARAMS ((char *));
static char *strip_suffix PARAMS ((char *));
static void checksum PARAMS ((FILE *, char *, int, int));
static void writeINT PARAMS ((int, char *, int *, int, FILE *));
static void writeBITS PARAMS ((int, char *, int *, int));
static void writeBARRAY PARAMS ((barray, char *, int *, int, FILE *));
static void writeCHARS PARAMS ((char *, char *, int *, int, FILE *));
static void wr_tr PARAMS ((void));
static void wr_un PARAMS ((struct coff_ofile *, struct coff_sfile *, int, int));
static void wr_hd PARAMS ((struct coff_ofile *));
static void wr_sh PARAMS ((struct coff_ofile *, struct coff_section *));
static void wr_ob PARAMS ((struct coff_ofile *, struct coff_section *));
static void wr_rl PARAMS ((struct coff_ofile *, struct coff_section *));
static void wr_object_body PARAMS ((struct coff_ofile *));
static void wr_dps_start
PARAMS ((struct coff_sfile *, struct coff_section *, struct coff_scope *,
int, int));
static void wr_dps_end
PARAMS ((struct coff_section *, struct coff_scope *, int));
static int *nints PARAMS ((int));
static void walk_tree_type_1
PARAMS ((struct coff_sfile *, struct coff_symbol *, struct coff_type *,
int));
static void walk_tree_type
PARAMS ((struct coff_sfile *, struct coff_symbol *, struct coff_type *,
int));
static void walk_tree_symbol
PARAMS ((struct coff_sfile *, struct coff_section *,
struct coff_symbol *, int));
static void walk_tree_scope
PARAMS ((struct coff_section *, struct coff_sfile *, struct coff_scope *,
int, int));
static void walk_tree_sfile
PARAMS ((struct coff_section *, struct coff_sfile *));
static void wr_program_structure
PARAMS ((struct coff_ofile *, struct coff_sfile *));
static void wr_du PARAMS ((struct coff_ofile *, struct coff_sfile *, int));
static void wr_dus PARAMS ((struct coff_ofile *, struct coff_sfile *));
static int find_base PARAMS ((struct coff_sfile *, struct coff_section *));
static void wr_dln PARAMS ((struct coff_ofile *, struct coff_sfile *, int));
static void wr_globals
PARAMS ((struct coff_ofile *, struct coff_sfile *, int));
static void wr_debug PARAMS ((struct coff_ofile *));
static void wr_cs PARAMS ((void));
static int wr_sc PARAMS ((struct coff_ofile *, struct coff_sfile *));
static void wr_er PARAMS ((struct coff_ofile *, struct coff_sfile *, int));
static void wr_ed PARAMS ((struct coff_ofile *, struct coff_sfile *, int));
static void wr_unit_info PARAMS ((struct coff_ofile *));
static void wr_module PARAMS ((struct coff_ofile *));
static int align PARAMS ((int));
static void prescan PARAMS ((struct coff_ofile *));
static void show_usage PARAMS ((FILE *, int));
extern int main PARAMS ((int, char **));
static FILE *file;
static bfd *abfd;
static int debug = 0;
static int quick = 0;
static int noprescan = 0;
static struct coff_ofile *tree;
/* Obsolete ??
static int absolute_p;
*/
static int segmented_p;
static int code;
static int ids1[20000];
static int ids2[20000];
static int base1 = 0x18;
static int base2 = 0x2018;
static int
get_member_id (x)
int x;
{
if (ids2[x])
return ids2[x];
ids2[x] = base2++;
return ids2[x];
}
static int
get_ordinary_id (x)
int x;
{
if (ids1[x])
return ids1[x];
ids1[x] = base1++;
return ids1[x];
}
static char *
section_translate (n)
char *n;
{
if (strcmp (n, ".text") == 0)
return "P";
if (strcmp (n, ".data") == 0)
return "D";
if (strcmp (n, ".bss") == 0)
return "B";
return n;
}
#define DATE "940201073000"; /* Just a time on my birthday */
static
char *
strip_suffix (name)
char *name;
{
int i;
char *res;
for (i = 0; name[i] != 0 && name[i] != '.'; i++)
;
res = (char *) xmalloc (i + 1);
memcpy (res, name, i);
res[i] = 0;
return res;
}
/* IT LEN stuff CS */
static void
checksum (file, ptr, size, code)
FILE *file;
char *ptr;
int size;
int code;
{
int j;
int last;
int sum = 0;
int bytes = size / 8;
last = !(code & 0xff00);
if (size & 0x7)
abort ();
ptr[0] = code | (last ? 0x80 : 0);
ptr[1] = bytes + 1;
for (j = 0; j < bytes; j++)
sum += ptr[j];
/* Glue on a checksum too. */
ptr[bytes] = ~sum;
fwrite (ptr, bytes + 1, 1, file);
}
static void
writeINT (n, ptr, idx, size, file)
int n;
char *ptr;
int *idx;
int size;
FILE *file;
{
int byte = *idx / 8;
if (size == -2)
size = addrsize;
else if (size == -1)
size = 0;
if (byte > 240)
{
/* Lets write out that record and do another one. */
checksum (file, ptr, *idx, code | 0x1000);
*idx = 16;
byte = *idx / 8;
}
switch (size)
{
case 0:
break;
case 1:
ptr[byte] = n;
break;
case 2:
ptr[byte + 0] = n >> 8;
ptr[byte + 1] = n;
break;
case 4:
ptr[byte + 0] = n >> 24;
ptr[byte + 1] = n >> 16;
ptr[byte + 2] = n >> 8;
ptr[byte + 3] = n >> 0;
break;
default:
abort ();
}
*idx += size * 8;
}
static void
writeBITS (val, ptr, idx, size)
int val;
char *ptr;
int *idx;
int size;
{
int byte = *idx / 8;
int bit = *idx % 8;
int old;
*idx += size;
old = ptr[byte];
/* Turn off all about to change bits. */
old &= ~((~0 >> (8 - bit - size)) & ((1 << size) - 1));
/* Turn on the bits we want. */
old |= (val & ((1 << size) - 1)) << (8 - bit - size);
ptr[byte] = old;
}
static void
writeBARRAY (data, ptr, idx, size, file)
barray data;
char *ptr;
int *idx;
int size ATTRIBUTE_UNUSED;
FILE *file;
{
int i;
writeINT (data.len, ptr, idx, 1, file);
for (i = 0; i < data.len; i++)
writeINT (data.data[i], ptr, idx, 1, file);
}
static void
writeCHARS (string, ptr, idx, size, file)
char *string;
char *ptr;
int *idx;
int size;
FILE *file;
{
int i = *idx / 8;
if (i > 240)
{
/* Lets write out that record and do another one. */
checksum (file, ptr, *idx, code | 0x1000);
*idx = 16;
i = *idx / 8;
}
if (size == 0)
{
/* Variable length string. */
size = strlen (string);
ptr[i++] = size;
}
/* BUG WAITING TO HAPPEN. */
memcpy (ptr + i, string, size);
i += size;
*idx = i * 8;
}
#define SYSROFF_SWAP_OUT
#include "sysroff.c"
static char *rname_sh[] =
{
"R0", "R1", "R2", "R3", "R4", "R5", "R6", "R7", "R8", "R9", "R10", "R11", "R12", "R13", "R14", "R15"
};
static char *rname_h8300[] =
{
"ER0", "ER1", "ER2", "ER3", "ER4", "ER5", "ER6", "ER7", "PC", "CCR"
};
static void
wr_tr ()
{
/* The TR block is not normal - it doesn't have any contents. */
static char b[] =
{
0xff, /* IT */
0x03, /* RL */
0xfd, /* CS */
};
fwrite (b, 1, sizeof (b), file);
}
static void
wr_un (ptr, sfile, first, nsecs)
struct coff_ofile *ptr;
struct coff_sfile *sfile;
int first;
int nsecs ATTRIBUTE_UNUSED;
{
struct IT_un un;
struct coff_symbol *s;
un.spare1 = 0;
if (bfd_get_file_flags (abfd) & EXEC_P)
un.format = FORMAT_LM;
else
un.format = FORMAT_OM;
un.spare1 = 0;
#if 1
un.nsections = ptr->nsections - 1; /* Don't count the abs section. */
#else
/*NEW - only count sections with size. */
un.nsections = nsecs;
#endif
un.nextdefs = 0;
un.nextrefs = 0;
/* Count all the undefined and defined variables with global scope. */
if (first)
{
for (s = ptr->symbol_list_head; s; s = s->next_in_ofile_list)
{
if (s->visible->type == coff_vis_ext_def
|| s->visible->type == coff_vis_common)
un.nextdefs++;
if (s->visible->type == coff_vis_ext_ref)
un.nextrefs++;
}
}
un.tool = toolname;
un.tcd = DATE;
un.linker = "L_GX00";
un.lcd = DATE;
un.name = sfile->name;
sysroff_swap_un_out (file, &un);
}
static void
wr_hd (p)
struct coff_ofile *p;
{
struct IT_hd hd;
hd.spare1 = 0;
if (bfd_get_file_flags (abfd) & EXEC_P)
hd.mt = MTYPE_ABS_LM;
else
hd.mt = MTYPE_OMS_OR_LMS;
hd.cd = DATE;
hd.nu = p->nsources; /* Always one unit */
hd.code = 0; /* Always ASCII */
hd.ver = "0200"; /* Version 2.00 */
switch (bfd_get_arch (abfd))
{
case bfd_arch_h8300:
hd.au = 8;
hd.si = 0;
hd.spcsz = 32;
hd.segsz = 0;
hd.segsh = 0;
switch (bfd_get_mach (abfd))
{
case bfd_mach_h8300:
hd.cpu = "H8300";
hd.afl = 2;
addrsize = 2;
toolname = "C_H8/300";
break;
case bfd_mach_h8300h:
hd.cpu = "H8300H";
hd.afl = 4;
addrsize = 4;
toolname = "C_H8/300H";
break;
case bfd_mach_h8300s:
hd.cpu = "H8300S";
hd.afl = 4;
addrsize = 4;
toolname = "C_H8/300S";
break;
default:
abort();
}
rnames = rname_h8300;
break;
case bfd_arch_sh:
hd.au = 8;
hd.si = 0;
hd.afl = 4;
hd.spcsz = 32;
hd.segsz = 0;
hd.segsh = 0;
hd.cpu = "SH";
addrsize = 4;
toolname = "C_SH";
rnames = rname_sh;
break;
default:
abort ();
}
if (! bfd_get_file_flags(abfd) & EXEC_P)
{
hd.ep = 0;
}
else
{
hd.ep = 1;
hd.uan = 0;
hd.sa = 0;
hd.sad = 0;
hd.address = bfd_get_start_address (abfd);
}
hd.os = "";
hd.sys = "";
hd.mn = strip_suffix (bfd_get_filename (abfd));
sysroff_swap_hd_out (file, &hd);
}
static void
wr_sh (p, sec)
struct coff_ofile *p ATTRIBUTE_UNUSED;
struct coff_section *sec;
{
struct IT_sh sh;
sh.unit = 0;
sh.section = sec->number;
#ifdef FOOP1
sh.section = 0;
#endif
sysroff_swap_sh_out (file, &sh);
}
static void
wr_ob (p, section)
struct coff_ofile *p ATTRIBUTE_UNUSED;
struct coff_section *section;
{
bfd_size_type i;
int first = 1;
unsigned char stuff[200];
i = 0;
while (i < section->bfd_section->_raw_size)
{
struct IT_ob ob;
int todo = 200; /* Copy in 200 byte lumps. */
ob.spare = 0;
if (i + todo > section->bfd_section->_raw_size)
todo = section->bfd_section->_raw_size - i;
if (first)
{
ob.saf = 1;
if (bfd_get_file_flags (abfd) & EXEC_P)
ob.address = section->address;
else
ob.address = 0;
first = 0;
}
else
{
ob.saf = 0;
}
ob.cpf = 0; /* Never compress. */
ob.data.len = todo;
bfd_get_section_contents (abfd, section->bfd_section, stuff, i, todo);
ob.data.data = stuff;
sysroff_swap_ob_out (file, &ob /*, i + todo < section->size */ );
i += todo;
}
/* Now fill the rest with blanks. */
while (i < (bfd_size_type) section->size)
{
struct IT_ob ob;
int todo = 200; /* Copy in 200 byte lumps. */
ob.spare = 0;
if (i + todo > (bfd_size_type) section->size)
todo = section->size - i;
ob.saf = 0;
ob.cpf = 0; /* Never compress. */
ob.data.len = todo;
memset (stuff, 0, todo);
ob.data.data = stuff;
sysroff_swap_ob_out (file, &ob);
i += todo;
}
/* Now fill the rest with blanks. */
}
static void
wr_rl (ptr, sec)
struct coff_ofile *ptr ATTRIBUTE_UNUSED;
struct coff_section *sec;
{
int nr = sec->nrelocs;
int i;
for (i = 0; i < nr; i++)
{
struct coff_reloc *r = sec->relocs + i;
struct coff_symbol *ref;
struct IT_rl rl;
rl.apol = 0;
rl.boundary = 0;
rl.segment = 1;
rl.sign = 0;
rl.check = 0;
rl.addr = r->offset;
rl.bitloc = 0;
rl.flen = 32; /* SH Specific. */
/* What sort of reloc ? Look in the section to find out. */
ref = r->symbol;
if (ref->visible->type == coff_vis_ext_ref)
{
rl.bcount = 4; /* Always 4 for us. */
rl.op = OP_EXT_REF;
rl.symn = ref->er_number;
}
else if (ref->visible->type == coff_vis_common)
{
rl.bcount = 11; /* Always 11 for us. */
rl.op = OP_SEC_REF;
rl.secn = ref->where->section->number;
rl.copcode_is_3 = 3;
rl.alength_is_4 = 4;
rl.addend = ref->where->offset - ref->where->section->address;
rl.aopcode_is_0x20 = 0x20;
}
else
{
rl.bcount = 11; /* Always 11 for us. */
rl.op = OP_SEC_REF;
rl.secn = ref->where->section->number;
rl.copcode_is_3 = 3;
rl.alength_is_4 = 4;
rl.addend = -ref->where->section->address;
rl.aopcode_is_0x20 = 0x20;
}
rl.end = 0xff;
if ( rl.op == OP_SEC_REF
|| rl.op == OP_EXT_REF)
sysroff_swap_rl_out (file, &rl);
}
}
static void
wr_object_body (p)
struct coff_ofile *p;
{
int i;
for (i = 1; i < p->nsections; i++)
{
wr_sh (p, p->sections + i);
wr_ob (p, p->sections + i);
wr_rl (p, p->sections + i);
}
}
static void
wr_dps_start (sfile, section, scope, type, nest)
struct coff_sfile *sfile;
struct coff_section *section ATTRIBUTE_UNUSED;
struct coff_scope *scope;
int type;
int nest;
{
struct IT_dps dps;
dps.end = 0;
dps.opt = 0;
dps.type = type;
if (scope->sec)
{
dps.san = scope->sec->number;
dps.address = scope->offset - find_base (sfile, scope->sec);
dps.block_size = scope->size;
if (debug)
{
printf ("DPS %s %d %x\n",
sfile->name,
nest,
dps.address);
}
}
else
{
dps.san = 0;
dps.address = 0;
dps.block_size = 0;
}
dps.nesting = nest;
dps.neg = 0x1001;
sysroff_swap_dps_out (file, &dps);
}
static void
wr_dps_end (section, scope, type)
struct coff_section *section ATTRIBUTE_UNUSED;
struct coff_scope *scope ATTRIBUTE_UNUSED;
int type;
{
struct IT_dps dps;
dps.end = 1;
dps.type = type;
sysroff_swap_dps_out (file, &dps);
}
static int *
nints (x)
int x;
{
return (int *) (xcalloc (sizeof (int), x));
}
static void
walk_tree_type_1 (sfile, symbol, type, nest)
struct coff_sfile *sfile;
struct coff_symbol *symbol;
struct coff_type *type;
int nest;
{
switch (type->type)
{
case coff_secdef_type:
case coff_basic_type:
{
struct IT_dbt dbt;
switch (type->u.basic)
{
case T_NULL:
case T_VOID:
dbt.btype = BTYPE_VOID;
dbt.sign = BTYPE_UNSPEC;
dbt.fptype = FPTYPE_NOTSPEC;
break;
case T_CHAR:
dbt.btype = BTYPE_CHAR;
dbt.sign = BTYPE_UNSPEC;
dbt.fptype = FPTYPE_NOTSPEC;
break;
case T_SHORT:
case T_INT:
case T_LONG:
dbt.btype = BTYPE_INT;
dbt.sign = SIGN_SIGNED;
dbt.fptype = FPTYPE_NOTSPEC;
break;
case T_FLOAT:
dbt.btype = BTYPE_FLOAT;
dbt.fptype = FPTYPE_SINGLE;
break;
case T_DOUBLE:
dbt.btype = BTYPE_FLOAT;
dbt.fptype = FPTYPE_DOUBLE;
break;
case T_LNGDBL:
dbt.btype = BTYPE_FLOAT;
dbt.fptype = FPTYPE_EXTENDED;
break;
case T_UCHAR:
dbt.btype = BTYPE_CHAR;
dbt.sign = SIGN_UNSIGNED;
dbt.fptype = FPTYPE_NOTSPEC;
break;
case T_USHORT:
case T_UINT:
case T_ULONG:
dbt.btype = BTYPE_INT;
dbt.sign = SIGN_UNSIGNED;
dbt.fptype = FPTYPE_NOTSPEC;
break;
}
dbt.bitsize = type->size;
dbt.neg = 0x1001;
sysroff_swap_dbt_out (file, &dbt);
break;
}
case coff_pointer_type:
{
struct IT_dpt dpt;
walk_tree_type_1 (sfile, symbol, type->u.pointer.points_to, nest + 1);
dpt.neg = 0x1001;
sysroff_swap_dpt_out (file, &dpt);
break;
}
case coff_function_type:
{
struct IT_dfp dfp;
struct coff_symbol *param;
dfp.end = 0;
dfp.spare = 0;
dfp.nparams = type->u.function.parameters->nvars;
dfp.neg = 0x1001;
walk_tree_type_1 (sfile, symbol, type->u.function.function_returns, nest + 1);
sysroff_swap_dfp_out (file, &dfp);
for (param = type->u.function.parameters->vars_head;
param;
param = param->next)
walk_tree_symbol (sfile, 0, param, nest);
dfp.end = 1;
sysroff_swap_dfp_out (file, &dfp);
break;
}
case coff_structdef_type:
{
struct IT_dbt dbt;
struct IT_dds dds;
struct coff_symbol *member;
dds.spare = 0;
dbt.btype = BTYPE_STRUCT;
dbt.bitsize = type->size;
dbt.sign = SIGN_UNSPEC;
dbt.fptype = FPTYPE_NOTSPEC;
dbt.sid = get_member_id (type->u.astructdef.idx);
dbt.neg = 0x1001;
sysroff_swap_dbt_out (file, &dbt);
dds.end = 0;
dds.neg = 0x1001;
sysroff_swap_dds_out (file, &dds);
for (member = type->u.astructdef.elements->vars_head;
member;
member = member->next)
walk_tree_symbol (sfile, 0, member, nest + 1);
dds.end = 1;
sysroff_swap_dds_out (file, &dds);
}
break;
case coff_structref_type:
{
struct IT_dbt dbt;
dbt.btype = BTYPE_TAG;
dbt.bitsize = type->size;
dbt.sign = SIGN_UNSPEC;
dbt.fptype = FPTYPE_NOTSPEC;
if (type->u.astructref.ref)
dbt.sid = get_member_id (type->u.astructref.ref->number);
else
dbt.sid = 0;
dbt.neg = 0x1001;
sysroff_swap_dbt_out (file, &dbt);
}
break;
case coff_array_type:
{
struct IT_dar dar;
int j;
int dims = 1; /* Only output one dimension at a time. */
dar.dims = dims;
dar.variable = nints (dims);
dar.subtype = nints (dims);
dar.spare = nints (dims);
dar.max_variable = nints (dims);
dar.maxspare = nints (dims);
dar.max = nints (dims);
dar.min_variable = nints (dims);
dar.min = nints (dims);
dar.minspare = nints (dims);
dar.neg = 0x1001;
dar.length = type->size / type->u.array.dim;
for (j = 0; j < dims; j++)
{
dar.variable[j] = VARIABLE_FIXED;
dar.subtype[j] = SUB_INTEGER;
dar.spare[j] = 0;
dar.max_variable[j] = 0;
dar.max[j] = type->u.array.dim;
dar.min_variable[j] = 0;
dar.min[j] = 1; /* Why isn't this 0 ? */
}
walk_tree_type_1 (sfile, symbol, type->u.array.array_of, nest + 1);
sysroff_swap_dar_out (file, &dar);
}
break;
case coff_enumdef_type:
{
struct IT_dbt dbt;
struct IT_den den;
struct coff_symbol *member;
dbt.btype = BTYPE_ENUM;
dbt.bitsize = type->size;
dbt.sign = SIGN_UNSPEC;
dbt.fptype = FPTYPE_NOTSPEC;
dbt.sid = get_member_id (type->u.aenumdef.idx);
dbt.neg = 0x1001;
sysroff_swap_dbt_out (file, &dbt);
den.end = 0;
den.neg = 0x1001;
den.spare = 0;
sysroff_swap_den_out (file, &den);
for (member = type->u.aenumdef.elements->vars_head;
member;
member = member->next)
walk_tree_symbol (sfile, 0, member, nest + 1);
den.end = 1;
sysroff_swap_den_out (file, &den);
}
break;
case coff_enumref_type:
{
struct IT_dbt dbt;
dbt.btype = BTYPE_TAG;
dbt.bitsize = type->size;
dbt.sign = SIGN_UNSPEC;
dbt.fptype = FPTYPE_NOTSPEC;
dbt.sid = get_member_id (type->u.aenumref.ref->number);
dbt.neg = 0x1001;
sysroff_swap_dbt_out (file, &dbt);
}
break;
default:
abort ();
}
}
/* Obsolete ?
static void
dty_start ()
{
struct IT_dty dty;
dty.end = 0;
dty.neg = 0x1001;
dty.spare = 0;
sysroff_swap_dty_out (file, &dty);
}
static void
dty_stop ()
{
struct IT_dty dty;
dty.end = 0;
dty.neg = 0x1001;
dty.end = 1;
sysroff_swap_dty_out (file, &dty);
}
static void
dump_tree_structure (sfile, symbol, type, nest)
struct coff_sfile *sfile;
struct coff_symbol *symbol;
struct coff_type *type;
int nest;
{
if (symbol->type->type == coff_function_type)
{
}
}
*/
static void
walk_tree_type (sfile, symbol, type, nest)
struct coff_sfile *sfile;
struct coff_symbol *symbol;
struct coff_type *type;
int nest;
{
if (symbol->type->type == coff_function_type)
{
struct IT_dty dty;
dty.end = 0;
dty.neg = 0x1001;
sysroff_swap_dty_out (file, &dty);
walk_tree_type_1 (sfile, symbol, type, nest);
dty.end = 1;
sysroff_swap_dty_out (file, &dty);
wr_dps_start (sfile,
symbol->where->section,
symbol->type->u.function.code,
BLOCK_TYPE_FUNCTION, nest);
wr_dps_start (sfile, symbol->where->section,
symbol->type->u.function.code,
BLOCK_TYPE_BLOCK, nest);
walk_tree_scope (symbol->where->section,
sfile,
symbol->type->u.function.code,
nest + 1, BLOCK_TYPE_BLOCK);
wr_dps_end (symbol->where->section,
symbol->type->u.function.code,
BLOCK_TYPE_BLOCK);
wr_dps_end (symbol->where->section,
symbol->type->u.function.code, BLOCK_TYPE_FUNCTION);
}
else
{
struct IT_dty dty;
dty.end = 0;
dty.neg = 0x1001;
sysroff_swap_dty_out (file, &dty);
walk_tree_type_1 (sfile, symbol, type, nest);
dty.end = 1;
sysroff_swap_dty_out (file, &dty);
}
}
static void
walk_tree_symbol (sfile, section, symbol, nest)
struct coff_sfile *sfile;
struct coff_section *section ATTRIBUTE_UNUSED;
struct coff_symbol *symbol;
int nest;
{
struct IT_dsy dsy;
memset (&dsy, 0, sizeof(dsy));
dsy.nesting = nest;
switch (symbol->type->type)
{
case coff_function_type:
dsy.type = STYPE_FUNC;
dsy.assign = 1;
break;
case coff_structref_type:
case coff_pointer_type:
case coff_array_type:
case coff_basic_type:
case coff_enumref_type:
dsy.type = STYPE_VAR;
dsy.assign = 1;
break;
case coff_enumdef_type:
dsy.type = STYPE_TAG;
dsy.assign = 0;
dsy.magic = 2;
break;
case coff_structdef_type:
dsy.type = STYPE_TAG;
dsy.assign = 0;
dsy.magic = symbol->type->u.astructdef.isstruct ? 0 : 1;
break;
case coff_secdef_type:
return;
default:
abort ();
}
if (symbol->where->where == coff_where_member_of_struct)
{
dsy.assign = 0;
dsy.type = STYPE_MEMBER;
}
if (symbol->where->where == coff_where_member_of_enum)
{
dsy.type = STYPE_ENUM;
dsy.assign = 0;
dsy.evallen = 4;
dsy.evalue = symbol->where->offset;
}
if (symbol->type->type == coff_structdef_type
|| symbol->where->where == coff_where_entag
|| symbol->where->where == coff_where_strtag)
{
dsy.snumber = get_member_id (symbol->number);
}
else
{
dsy.snumber = get_ordinary_id (symbol->number);
}
dsy.sname = symbol->name[0] == '_' ? symbol->name + 1 : symbol->name;
switch (symbol->visible->type)
{
case coff_vis_common:
case coff_vis_ext_def:
dsy.ainfo = AINFO_STATIC_EXT_DEF;
break;
case coff_vis_ext_ref:
dsy.ainfo = AINFO_STATIC_EXT_REF;
break;
case coff_vis_int_def:
dsy.ainfo = AINFO_STATIC_INT;
break;
case coff_vis_auto:
case coff_vis_autoparam:
dsy.ainfo = AINFO_AUTO;
break;
case coff_vis_register:
case coff_vis_regparam:
dsy.ainfo = AINFO_REG;
break;
break;
case coff_vis_tag:
case coff_vis_member_of_struct:
case coff_vis_member_of_enum:
break;
default:
abort ();
}
dsy.dlength = symbol->type->size;
switch (symbol->where->where)
{
case coff_where_memory:
dsy.section = symbol->where->section->number;
#ifdef FOOP
dsy.section = 0;
#endif
break;
case coff_where_member_of_struct:
case coff_where_member_of_enum:
case coff_where_stack:
case coff_where_register:
case coff_where_unknown:
case coff_where_strtag:
case coff_where_entag:
case coff_where_typedef:
break;
default:
abort ();
}
switch (symbol->where->where)
{
case coff_where_memory:
dsy.address = symbol->where->offset - find_base (sfile, symbol->where->section);
break;
case coff_where_stack:
dsy.address = symbol->where->offset;
break;
case coff_where_member_of_struct:
if (symbol->where->bitsize)
{
int bits = (symbol->where->offset * 8 + symbol->where->bitoffset);
dsy.bitunit = 1;
dsy.field_len = symbol->where->bitsize;
dsy.field_off = (bits / 32) * 4;
dsy.field_bitoff = bits % 32;
}
else
{
dsy.bitunit = 0;
dsy.field_len = symbol->type->size;
dsy.field_off = symbol->where->offset;
}
break;
case coff_where_member_of_enum:
/* dsy.bitunit = 0;
dsy.field_len = symbol->type->size;
dsy.field_off = symbol->where->offset; */
break;
case coff_where_register:
case coff_where_unknown:
case coff_where_strtag:
case coff_where_entag:
case coff_where_typedef:
break;
default:
abort ();
}
if (symbol->where->where == coff_where_register)
dsy.reg = rnames[symbol->where->offset];
switch (symbol->visible->type)
{
case coff_vis_common:
/* We do this 'cause common C symbols are treated as extdefs. */
case coff_vis_ext_def:
case coff_vis_ext_ref:
dsy.ename = symbol->name;
break;
case coff_vis_regparam:
case coff_vis_autoparam:
dsy.type = STYPE_PARAMETER;
break;
case coff_vis_int_def:
case coff_vis_auto:
case coff_vis_register:
case coff_vis_tag:
case coff_vis_member_of_struct:
case coff_vis_member_of_enum:
break;
default:
abort ();
}
dsy.sfn = 0;
dsy.sln = 2;
dsy.neg = 0x1001;
sysroff_swap_dsy_out (file, &dsy);
walk_tree_type (sfile, symbol, symbol->type, nest);
}
static void
walk_tree_scope (section, sfile, scope, nest, type)
struct coff_section *section;
struct coff_sfile *sfile;
struct coff_scope *scope;
int nest;
int type;
{
struct coff_symbol *vars;
struct coff_scope *child;
if (scope->vars_head
|| (scope->list_head && scope->list_head->vars_head))
{
wr_dps_start (sfile, section, scope, type, nest);
if (nest == 0)
wr_globals (tree, sfile, nest + 1);
for (vars = scope->vars_head; vars; vars = vars->next)
walk_tree_symbol (sfile, section, vars, nest);
for (child = scope->list_head; child; child = child->next)
walk_tree_scope (section, sfile, child, nest + 1, BLOCK_TYPE_BLOCK);
wr_dps_end (section, scope, type);
}
}
static void
walk_tree_sfile (section, sfile)
struct coff_section *section;
struct coff_sfile *sfile;
{
walk_tree_scope (section, sfile, sfile->scope, 0, BLOCK_TYPE_COMPUNIT);
}
static void
wr_program_structure (p, sfile)
struct coff_ofile *p;
struct coff_sfile *sfile;
{
walk_tree_sfile (p->sections + 4, sfile);
}
static void
wr_du (p, sfile, n)
struct coff_ofile *p;
struct coff_sfile *sfile;
int n;
{
struct IT_du du;
int lim;
#if 0
struct coff_symbol *symbol;
static int incit = 0x500000;
int used = 0;
#endif
int i;
int j;
unsigned int *lowest = (unsigned *) nints (p->nsections);
unsigned int *highest = (unsigned *) nints (p->nsections);
du.format = bfd_get_file_flags (abfd) & EXEC_P ? 0 : 1;
du.optimized = 0;
du.stackfrmt = 0;
du.spare = 0;
du.unit = n;
du.sections = p->nsections - 1;
du.san = (int *) xcalloc (sizeof (int), du.sections);
du.address = nints (du.sections);
du.length = nints (du.sections);
for (i = 0; i < du.sections; i++)
{
lowest[i] = ~0;
highest[i] = 0;
}
/* Look through all the symbols and try and work out the extents in this
source file. */
#if 0
for (symbol = sfile->scope->vars_head;
symbol;
symbol = symbol->next)
{
if (symbol->type->type == coff_secdef_type)
{
unsigned int low = symbol->where->offset;
unsigned int high = symbol->where->offset + symbol->type->size - 1;
struct coff_section *section = symbol->where->section;
int sn = section->number;
if (low < lowest[sn])
lowest[sn] = low;
if (high > highest[sn])
highest[sn] = high;
}
}
for (i = 0; i < du.sections; i++)
{
if (highest[i] == 0)
lowest[i] = highest[i] = incit;
du.san[used] = i;
du.length[used] = highest[i] - lowest[i];
du.address[used] = bfd_get_file_flags (abfd) & EXEC_P ? lowest[i] : 0;
if (debug)
{
printf (" section %6s 0x%08x..0x%08x\n",
p->sections[i + 1].name,
lowest[i],
highest[i]);
}
used++;
}
#endif
lim = du.sections;
for (j = 0; j < lim; j++)
{
int src = j;
int dst = j;
du.san[dst] = dst;
if (sfile->section[src].init)
{
du.length[dst]
= sfile->section[src].high - sfile->section[src].low + 1;
du.address[dst]
= sfile->section[src].low;
}
else
{
du.length[dst] = 0;
du.address[dst] = 0;
}
if (debug)
{
if (sfile->section[src].parent)
{
printf (" section %6s 0x%08x..0x%08x\n",
sfile->section[src].parent->name,
du.address[dst],
du.address[dst] + du.length[dst] - 1);
}
}
du.sections = dst + 1;
}
du.tool = "c_gcc";
du.date = DATE;
sysroff_swap_du_out (file, &du);
}
static void
wr_dus (p, sfile)
struct coff_ofile *p ATTRIBUTE_UNUSED;
struct coff_sfile *sfile;
{
struct IT_dus dus;
dus.efn = 0x1001;
dus.ns = 1; /* p->nsources; sac 14 jul 94 */
dus.drb = nints (dus.ns);
dus.fname = (char **) xcalloc (sizeof (char *), dus.ns);
dus.spare = nints (dus.ns);
dus.ndir = 0;
/* Find the filenames. */
#if 0
i = 0;
for (sfile = p->source_head;
sfile;
sfile = sfile->next)
{
dus.drb[i] = 0;
dus.spare[i] = 0;
dus.fname[i] = sfile->name;
i++;
}
#else
dus.drb[0] = 0;
dus.fname[0] = sfile->name;
#endif
sysroff_swap_dus_out (file, &dus);
}
/* Find the offset of the .text section for this sfile in the
.text section for the output file. */
static int
find_base (sfile, section)
struct coff_sfile *sfile;
struct coff_section *section;
{
return sfile->section[section->number].low;
}
static void
wr_dln (p, sfile, n)
struct coff_ofile *p ATTRIBUTE_UNUSED;
struct coff_sfile *sfile;
int n ATTRIBUTE_UNUSED;
{
#if 0
if (n == 0)
{
/* Count up all the linenumbers */
struct coff_symbol *sy;
int lc = 0;
struct IT_dln dln;
int idx;
for (sy = p->symbol_list_head;
sy;
sy = sy->next_in_ofile_list)
{
struct coff_type *t = sy->type;
if (t->type == coff_function_type)
{
struct coff_line *l = t->u.function.lines;
lc += l->nlines;
}
}
dln.sfn = nints (lc);
dln.sln = nints (lc);
dln.lln = nints (lc);
dln.section = nints (lc);
dln.from_address = nints (lc);
dln.to_address = nints (lc);
dln.neg = 0x1001;
dln.nln = lc;
/* Run through once more and fill up the structure */
idx = 0;
for (sy = p->symbol_list_head;
sy;
sy = sy->next_in_ofile_list)
{
if (sy->type->type == coff_function_type)
{
int i;
struct coff_line *l = sy->type->u.function.lines;
for (i = 0; i < l->nlines; i++)
{
dln.section[idx] = sy->where->section->number;
dln.sfn[idx] = n;
dln.sln[idx] = l->lines[i];
dln.from_address[idx] = l->addresses[i];
if (idx)
dln.to_address[idx - 1] = dln.from_address[idx];
idx++;
}
}
n++;
}
sysroff_swap_dln_out (file, &dln);
}
#endif
#if 1
/* Count up all the linenumbers */
struct coff_symbol *sy;
int lc = 0;
struct IT_dln dln;
int idx;
for (sy = sfile->scope->vars_head;
sy;
sy = sy->next)
{
struct coff_type *t = sy->type;
if (t->type == coff_function_type)
{
struct coff_line *l = t->u.function.lines;
if (l)
lc += l->nlines;
}
}
dln.sfn = nints (lc);
dln.sln = nints (lc);
dln.cc = nints (lc);
dln.section = nints (lc);
dln.from_address = nints (lc);
dln.to_address = nints (lc);
dln.neg = 0x1001;
dln.nln = lc;
/* Run through once more and fill up the structure */
idx = 0;
for (sy = sfile->scope->vars_head;
sy;
sy = sy->next)
{
if (sy->type->type == coff_function_type)
{
int i;
struct coff_line *l = sy->type->u.function.lines;
if (l)
{
int base = find_base (sfile, sy->where->section);
for (i = 0; i < l->nlines; i++)
{
dln.section[idx] = sy->where->section->number;
dln.sfn[idx] = 0;
dln.sln[idx] = l->lines[i];
dln.from_address[idx] =
l->addresses[i] + sy->where->section->address - base;
dln.cc[idx] = 0;
if (idx)
dln.to_address[idx - 1] = dln.from_address[idx];
idx++;
}
dln.to_address[idx - 1] = dln.from_address[idx - 1] + 2;
}
}
}
if (lc)
sysroff_swap_dln_out (file, &dln);
#endif
}
/* Write the global symbols out to the debug info. */
static void
wr_globals (p, sfile, n)
struct coff_ofile *p;
struct coff_sfile *sfile;
int n ATTRIBUTE_UNUSED;
{
struct coff_symbol *sy;
for (sy = p->symbol_list_head;
sy;
sy = sy->next_in_ofile_list)
{
if (sy->visible->type == coff_vis_ext_def
|| sy->visible->type == coff_vis_ext_ref)
{
/* Only write out symbols if they belong to
the current source file. */
if (sy->sfile == sfile)
walk_tree_symbol (sfile, 0, sy, 0);
}
}
}
static void
wr_debug (p)
struct coff_ofile *p;
{
struct coff_sfile *sfile;
int n = 0;
for (sfile = p->source_head;
sfile;
sfile = sfile->next)
{
if (debug)
printf ("%s\n", sfile->name);
wr_du (p, sfile, n);
wr_dus (p, sfile);
wr_program_structure (p, sfile);
wr_dln (p, sfile, n);
n++;
}
}
static void
wr_cs ()
{
/* It seems that the CS struct is not normal - the size is wrong
heres one I prepared earlier. */
static char b[] =
{
0x80, /* IT */
0x21, /* RL */
0x00, /* number of chars in variable length part */
0x80, /* hd */
0x00, /* hs */
0x80, /* un */
0x00, /* us */
0x80, /* sc */
0x00, /* ss */
0x80, /* er */
0x80, /* ed */
0x80, /* sh */
0x80, /* ob */
0x80, /* rl */
0x80, /* du */
0x80, /* dps */
0x80, /* dsy */
0x80, /* dty */
0x80, /* dln */
0x80, /* dso */
0x80, /* dus */
0x00, /* dss */
0x80, /* dbt */
0x00, /* dpp */
0x80, /* dfp */
0x80, /* den */
0x80, /* dds */
0x80, /* dar */
0x80, /* dpt */
0x00, /* dul */
0x00, /* dse */
0x00, /* dot */
0xDE /* CS */
};
fwrite (b, 1, sizeof (b), file);
}
/* Write out the SC records for a unit. Create an SC
for all the sections which appear in the output file, even
if there isn't an equivalent one on the input. */
static int
wr_sc (ptr, sfile)
struct coff_ofile *ptr;
struct coff_sfile *sfile;
{
int i;
int scount = 0;
/* First work out the total number of sections. */
int total_sec = ptr->nsections;
struct myinfo
{
struct coff_section *sec;
struct coff_symbol *symbol;
};
struct coff_symbol *symbol;
struct myinfo *info
= (struct myinfo *) calloc (total_sec, sizeof (struct myinfo));
for (i = 0; i < total_sec; i++)
{
info[i].sec = ptr->sections + i;
info[i].symbol = 0;
}
for (symbol = sfile->scope->vars_head;
symbol;
symbol = symbol->next)
{
if (symbol->type->type == coff_secdef_type)
{
for (i = 0; i < total_sec; i++)
{
if (symbol->where->section == info[i].sec)
{
info[i].symbol = symbol;
break;
}
}
}
}
/* Now output all the section info, and fake up some stuff for sections
we don't have. */
for (i = 1; i < total_sec; i++)
{
struct IT_sc sc;
char *name;
symbol = info[i].symbol;
sc.spare = 0;
sc.spare1 = 0;
if (!symbol)
{
/* Don't have a symbol set aside for this section, which means
that nothing in this file does anything for the section. */
sc.format = !(bfd_get_file_flags (abfd) & EXEC_P);
sc.addr = 0;
sc.length = 0;
name = info[i].sec->name;
}
else
{
if (bfd_get_file_flags (abfd) & EXEC_P)
{
sc.format = 0;
sc.addr = symbol->where->offset;
}
else
{
sc.format = 1;
sc.addr = 0;
}
sc.length = symbol->type->size;
name = symbol->name;
}
sc.align = 4;
sc.concat = CONCAT_SIMPLE;
sc.read = 3;
sc.write = 3;
sc.exec = 3;
sc.init = 3;
sc.mode = 3;
sc.spare = 0;
sc.segadd = 0;
sc.spare1 = 0; /* If not zero, then it doesn't work. */
sc.name = section_translate (name);
if (strlen (sc.name) == 1)
{
switch (sc.name[0])
{
case 'D':
case 'B':
sc.contents = CONTENTS_DATA;
break;
default:
sc.contents = CONTENTS_CODE;
}
}
else
{
sc.contents = CONTENTS_CODE;
}
#if 0
/* NEW */
if (sc.length)
{
#endif
sysroff_swap_sc_out (file, &sc);
scount++;
#if 0
}
#endif
}
return scount;
}
/* Write out the ER records for a unit. */
static void
wr_er (ptr, sfile, first)
struct coff_ofile *ptr;
struct coff_sfile *sfile ATTRIBUTE_UNUSED;
int first;
{
int idx = 0;
struct coff_symbol *sym;
if (first)
{
for (sym = ptr->symbol_list_head; sym; sym = sym->next_in_ofile_list)
{
if (sym->visible->type == coff_vis_ext_ref)
{
struct IT_er er;
er.spare = 0;
er.type = ER_NOTSPEC;
er.name = sym->name;
sysroff_swap_er_out (file, &er);
sym->er_number = idx++;
}
}
}
}
/* Write out the ED records for a unit. */
static void
wr_ed (ptr, sfile, first)
struct coff_ofile *ptr;
struct coff_sfile *sfile ATTRIBUTE_UNUSED;
int first;
{
struct coff_symbol *s;
if (first)
{
for (s = ptr->symbol_list_head; s; s = s->next_in_ofile_list)
{
if (s->visible->type == coff_vis_ext_def
|| s->visible->type == coff_vis_common)
{
struct IT_ed ed;
ed.section = s->where->section->number;
ed.spare = 0;
if (s->where->section->data)
{
ed.type = ED_TYPE_DATA;
}
else if (s->where->section->code & SEC_CODE)
{
ed.type = ED_TYPE_ENTRY;
}
else
{
ed.type = ED_TYPE_NOTSPEC;
ed.type = ED_TYPE_DATA;
}
ed.address = s->where->offset - s->where->section->address;
ed.name = s->name;
sysroff_swap_ed_out (file, &ed);
}
}
}
}
static void
wr_unit_info (ptr)
struct coff_ofile *ptr;
{
struct coff_sfile *sfile;
int first = 1;
for (sfile = ptr->source_head;
sfile;
sfile = sfile->next)
{
long p1;
long p2;
int nsecs;
p1 = ftell (file);
wr_un (ptr, sfile, first, 0);
nsecs = wr_sc (ptr, sfile);
p2 = ftell (file);
fseek (file, p1, SEEK_SET);
wr_un (ptr, sfile, first, nsecs);
fseek (file, p2, SEEK_SET);
wr_er (ptr, sfile, first);
wr_ed (ptr, sfile, first);
first = 0;
}
}
static void
wr_module (p)
struct coff_ofile *p;
{
wr_cs ();
wr_hd (p);
wr_unit_info (p);
wr_object_body (p);
wr_debug (p);
wr_tr ();
}
static int
align (x)
int x;
{
return (x + 3) & ~3;
}
/* Find all the common variables and turn them into
ordinary defs - dunno why, but thats what hitachi does with 'em. */
static void
prescan (tree)
struct coff_ofile *tree;
{
struct coff_symbol *s;
struct coff_section *common_section;
/* Find the common section - always section 3. */
common_section = tree->sections + 3;
for (s = tree->symbol_list_head;
s;
s = s->next_in_ofile_list)
{
if (s->visible->type == coff_vis_common)
{
struct coff_where *w = s->where;
/* s->visible->type = coff_vis_ext_def; leave it as common */
common_section->size = align (common_section->size);
w->offset = common_section->size + common_section->address;
w->section = common_section;
common_section->size += s->type->size;
common_section->size = align (common_section->size);
}
}
}
char *program_name;
static void
show_usage (file, status)
FILE *file;
int status;
{
fprintf (file, _("Usage: %s [option(s)] in-file [out-file]\n"), program_name);
fprintf (file, _("Convert a COFF object file into a SYSROFF object file\n"));
fprintf (file, _(" The options are:\n\
-q --quick (Obsolete - ignoerd)\n\
-n --noprescan Do not perform a scan to convert commons into defs\n\
-d --debug Display information about what is being done\n\
-h --help Display this information\n\
-v --version Print the program's version number\n"));
if (status == 0)
fprintf (file, _("Report bugs to %s\n"), REPORT_BUGS_TO);
exit (status);
}
int
main (ac, av)
int ac;
char *av[];
{
int opt;
static struct option long_options[] =
{
{"debug", no_argument, 0, 'd'},
{"quick", no_argument, 0, 'q'},
{"noprescan", no_argument, 0, 'n'},
{"help", no_argument, 0, 'h'},
{"version", no_argument, 0, 'V'},
{NULL, no_argument, 0, 0}
};
char **matching;
char *input_file;
char *output_file;
#if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
setlocale (LC_MESSAGES, "");
#endif
#if defined (HAVE_SETLOCALE)
setlocale (LC_CTYPE, "");
#endif
bindtextdomain (PACKAGE, LOCALEDIR);
textdomain (PACKAGE);
program_name = av[0];
xmalloc_set_program_name (program_name);
while ((opt = getopt_long (ac, av, "dHhVvqn", long_options,
(int *) NULL))
!= EOF)
{
switch (opt)
{
case 'q':
quick = 1;
break;
case 'n':
noprescan = 1;
break;
case 'd':
debug = 1;
break;
case 'H':
case 'h':
show_usage (stdout, 0);
/*NOTREACHED */
case 'v':
case 'V':
print_version ("srconv");
exit (0);
/*NOTREACHED */
case 0:
break;
default:
show_usage (stderr, 1);
/*NOTREACHED */
}
}
/* The input and output files may be named on the command line. */
output_file = NULL;
if (optind < ac)
{
input_file = av[optind];
++optind;
if (optind < ac)
{
output_file = av[optind];
++optind;
if (optind < ac)
show_usage (stderr, 1);
if (strcmp (input_file, output_file) == 0)
{
fatal (_("input and output files must be different"));
}
}
}
else
input_file = 0;
if (!input_file)
{
fatal (_("no input file specified"));
}
if (!output_file)
{
/* Take a .o off the input file and stick on a .obj. If
it doesn't end in .o, then stick a .obj on anyway */
int len = strlen (input_file);
output_file = xmalloc (len + 5);
strcpy (output_file, input_file);
if (len > 3
&& output_file[len - 2] == '.'
&& output_file[len - 1] == 'o')
{
output_file[len] = 'b';
output_file[len + 1] = 'j';
output_file[len + 2] = 0;
}
else
{
strcat (output_file, ".obj");
}
}
abfd = bfd_openr (input_file, 0);
if (!abfd)
bfd_fatal (input_file);
if (!bfd_check_format_matches (abfd, bfd_object, &matching))
{
bfd_nonfatal (input_file);
if (bfd_get_error () == bfd_error_file_ambiguously_recognized)
{
list_matching_formats (matching);
free (matching);
}
exit (1);
}
file = fopen (output_file, FOPEN_WB);
if (!file)
fatal (_("unable to open output file %s"), output_file);
if (debug)
printf ("ids %d %d\n", base1, base2);
tree = coff_grok (abfd);
if (!noprescan)
prescan (tree);
wr_module (tree);
return 0;
}
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