REMOVE ALL SUNOS SUPPORT TO SEPARATE MODULE.
This is now a generic module for a.out handling. Rename all routines from sunos4_xxx to aout_xxx. Remove Sun-specific code. Remove transfer vectors. Pull core file handling. Lint. Remove close_and_cleanup.
This commit is contained in:
parent
69ebee8678
commit
e2aed73b28
697
bfd/aout.c
697
bfd/aout.c
|
@ -1,5 +1,4 @@
|
|||
/*** bfd backend for sunos binaries */
|
||||
/** a.out files */
|
||||
/* BFD semi-generic back-end for a.out binaries */
|
||||
|
||||
/* Copyright (C) 1990, 1991 Free Software Foundation, Inc.
|
||||
|
||||
|
@ -19,14 +18,11 @@ You should have received a copy of the GNU General Public License
|
|||
along with BFD; see the file COPYING. If not, write to
|
||||
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
|
||||
|
||||
/* $Id$ */
|
||||
|
||||
#include <ansidecl.h>
|
||||
#include "sysdep.h"
|
||||
#include "bfd.h"
|
||||
#include "libbfd.h"
|
||||
|
||||
#include "a.out.sun4.h"
|
||||
#include "a.out.gnu.h"
|
||||
#include "stab.gnu.h"
|
||||
#include "ar.h"
|
||||
|
@ -86,24 +82,7 @@ HOWTO( 7, 0, 3, 64, true, 0, false, true,0,"DISP64", true, 0xfeedfac
|
|||
|
||||
bfd_error_vector_type bfd_error_vector;
|
||||
|
||||
PROTO (void , sunos4_write_syms, ());
|
||||
PROTO (static boolean,sunos4_squirt_out_relocs,(bfd *abfd, asection *section));
|
||||
|
||||
|
||||
static size_t
|
||||
reloc_size_func(abfd)
|
||||
bfd *abfd;
|
||||
{
|
||||
switch (bfd_get_architecture (abfd)) {
|
||||
case bfd_arch_sparc:
|
||||
case bfd_arch_a29k:
|
||||
return RELOC_EXT_SIZE;
|
||||
default:
|
||||
return RELOC_STD_SIZE;
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
void
|
||||
DEFUN(bfd_aout_swap_exec_header_in,(abfd, raw_bytes, execp),
|
||||
bfd *abfd AND
|
||||
unsigned char *raw_bytes AND
|
||||
|
@ -122,7 +101,7 @@ DEFUN(bfd_aout_swap_exec_header_in,(abfd, raw_bytes, execp),
|
|||
execp->a_drsize = bfd_h_getlong (abfd, bytes->a_drsize);
|
||||
}
|
||||
|
||||
static void
|
||||
void
|
||||
DEFUN(bfd_aout_swap_exec_header_out,(abfd, execp, raw_bytes),
|
||||
bfd *abfd AND
|
||||
struct exec *execp AND
|
||||
|
@ -141,26 +120,24 @@ DEFUN(bfd_aout_swap_exec_header_out,(abfd, execp, raw_bytes),
|
|||
bfd_h_putlong (abfd, execp->a_drsize, bytes->a_drsize);
|
||||
}
|
||||
|
||||
/* Some A.OUT variant thinks that the file whose format we're checking
|
||||
is an a.out file. Do some more checking, and set up for access if
|
||||
it really is. Call back to the calling environment's "finish up"
|
||||
function just before returning, to handle any last-minute setup. */
|
||||
|
||||
bfd_target *
|
||||
sunos4_object_p (abfd)
|
||||
some_aout_object_p (abfd, callback_to_real_object_p)
|
||||
bfd *abfd;
|
||||
bfd_target *(*callback_to_real_object_p) ();
|
||||
{
|
||||
unsigned char magicbuf[4]; /* Raw bytes of magic number from file */
|
||||
unsigned long magic; /* Swapped magic number */
|
||||
unsigned char exec_bytes[EXEC_BYTES_SIZE]; /* Raw bytes of exec hdr */
|
||||
struct exec *execp;
|
||||
PTR rawptr;
|
||||
|
||||
if (bfd_seek (abfd, 0L, false) < 0) {
|
||||
bfd_error = system_call_error;
|
||||
|
||||
if (bfd_read ((PTR)magicbuf, 1, sizeof (magicbuf), abfd) !=
|
||||
sizeof (magicbuf))
|
||||
return 0;
|
||||
magic = bfd_h_getlong (abfd, magicbuf);
|
||||
|
||||
if (N_BADMAG (*((struct exec *) &magic))) return 0;
|
||||
|
||||
if (bfd_seek (abfd, 0L, false) < 0) return 0;
|
||||
}
|
||||
|
||||
if (bfd_read ((PTR) exec_bytes, 1, EXEC_BYTES_SIZE, abfd)
|
||||
!= EXEC_BYTES_SIZE) {
|
||||
|
@ -169,16 +146,16 @@ sunos4_object_p (abfd)
|
|||
}
|
||||
|
||||
/* Use an intermediate variable for clarity */
|
||||
rawptr = (PTR) bfd_zalloc (abfd, sizeof (struct sunexdata) + sizeof (struct exec));
|
||||
rawptr = (PTR) bfd_zalloc (abfd, sizeof (struct aoutdata) + sizeof (struct exec));
|
||||
|
||||
if (rawptr == NULL) {
|
||||
bfd_error = no_memory;
|
||||
return 0;
|
||||
}
|
||||
|
||||
set_tdata (abfd, ((struct sunexdata *) rawptr));
|
||||
set_tdata (abfd, ((struct aoutdata *) rawptr));
|
||||
exec_hdr (abfd) = execp =
|
||||
(struct exec *) ((char *)rawptr + sizeof (struct sunexdata));
|
||||
(struct exec *) ((char *)rawptr + sizeof (struct aoutdata));
|
||||
|
||||
bfd_aout_swap_exec_header_in (abfd, exec_bytes, execp);
|
||||
|
||||
|
@ -191,75 +168,38 @@ sunos4_object_p (abfd)
|
|||
if (execp->a_syms)
|
||||
abfd->flags |= HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS;
|
||||
|
||||
|
||||
if (N_MAGIC (*execp) == ZMAGIC) abfd->flags |= D_PAGED;
|
||||
if (N_MAGIC (*execp) == NMAGIC) abfd->flags |= WP_TEXT;
|
||||
|
||||
/* Determine the architecture and machine type of the object file. */
|
||||
abfd->obj_arch = bfd_arch_unknown; /* Default values */
|
||||
abfd->obj_machine = 0;
|
||||
switch (N_MACHTYPE (*execp)) {
|
||||
|
||||
case M_UNKNOWN:
|
||||
break;
|
||||
|
||||
case M_68010:
|
||||
abfd->obj_arch = bfd_arch_m68k;
|
||||
abfd->obj_machine = 68010;
|
||||
break;
|
||||
|
||||
case M_68020:
|
||||
abfd->obj_arch = bfd_arch_m68k;
|
||||
abfd->obj_machine = 68020;
|
||||
break;
|
||||
|
||||
case M_SPARC:
|
||||
abfd->obj_arch = bfd_arch_sparc;
|
||||
break;
|
||||
|
||||
case M_386:
|
||||
abfd->obj_arch = bfd_arch_i386;
|
||||
break;
|
||||
|
||||
case M_29K:
|
||||
abfd->obj_arch = bfd_arch_a29k;
|
||||
break;
|
||||
|
||||
default:
|
||||
abfd->obj_arch = bfd_arch_obscure;
|
||||
break;
|
||||
}
|
||||
|
||||
bfd_get_start_address (abfd) = execp->a_entry;
|
||||
|
||||
obj_aout_symbols (abfd) = (aout_symbol_type *)NULL;
|
||||
bfd_get_symcount (abfd) = execp->a_syms / sizeof (struct nlist);
|
||||
|
||||
/* Remember the positions of the string table and symbol table. */
|
||||
obj_str_filepos (abfd) = N_STROFF (*execp);
|
||||
obj_sym_filepos (abfd) = N_SYMOFF (*execp);
|
||||
/* Set the default architecture and machine type. These can be
|
||||
overridden in the callback routine. */
|
||||
abfd->obj_arch = bfd_arch_unknown;
|
||||
abfd->obj_machine = 0;
|
||||
|
||||
/* The default relocation entry size is that of traditional V7 Unix. */
|
||||
obj_reloc_entry_size (abfd) = RELOC_STD_SIZE;
|
||||
|
||||
/* create the sections. This is raunchy, but bfd_close wants to reclaim
|
||||
them */
|
||||
obj_textsec (abfd) = (asection *)NULL;
|
||||
obj_datasec (abfd) = (asection *)NULL;
|
||||
obj_bsssec (abfd) = (asection *)NULL;
|
||||
obj_aout_symbols(abfd) = (aout_symbol_type *)NULL;
|
||||
(void)bfd_make_section(abfd, ".text");
|
||||
(void)bfd_make_section(abfd, ".data");
|
||||
(void)bfd_make_section(abfd, ".bss");
|
||||
|
||||
abfd->sections = obj_textsec (abfd);
|
||||
obj_textsec (abfd)->next = obj_datasec (abfd);
|
||||
obj_datasec (abfd)->next = obj_bsssec (abfd);
|
||||
|
||||
obj_datasec (abfd)->size = execp->a_data;
|
||||
obj_bsssec (abfd)->size = execp->a_bss;
|
||||
obj_textsec (abfd)->size = execp->a_text;
|
||||
obj_datasec (abfd)->vma = N_DATADDR(*execp);
|
||||
obj_bsssec (abfd)->vma = N_BSSADDR(*execp);
|
||||
obj_textsec (abfd)->vma = N_TXTADDR(*execp);
|
||||
|
||||
obj_textsec (abfd)->filepos = N_TXTOFF(*execp);
|
||||
obj_datasec (abfd)->filepos = N_DATOFF(*execp);
|
||||
|
||||
obj_textsec (abfd)->rel_filepos = N_TRELOFF(*execp);
|
||||
obj_datasec (abfd)->rel_filepos = N_DRELOFF(*execp);
|
||||
|
||||
obj_textsec (abfd)->flags = (execp->a_trsize != 0 ?
|
||||
(SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_HAS_CONTENTS) :
|
||||
|
@ -269,15 +209,70 @@ sunos4_object_p (abfd)
|
|||
(SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS));
|
||||
obj_bsssec (abfd)->flags = SEC_ALLOC;
|
||||
|
||||
abfd->sections = obj_textsec (abfd);
|
||||
obj_textsec (abfd)->next = obj_datasec (abfd);
|
||||
obj_datasec (abfd)->next = obj_bsssec (abfd);
|
||||
#ifdef THIS_IS_ONLY_DOCUMENTATION
|
||||
/* Call back to the format-dependent code to fill in the rest of the
|
||||
fields and do any further cleanup. Things that should be filled
|
||||
in by the callback: */
|
||||
|
||||
struct exec *execp = exec_hdr (abfd);
|
||||
|
||||
/* The virtual memory addresses of the sections */
|
||||
obj_datasec (abfd)->vma = N_DATADDR(*execp);
|
||||
obj_bsssec (abfd)->vma = N_BSSADDR(*execp);
|
||||
obj_textsec (abfd)->vma = N_TXTADDR(*execp);
|
||||
|
||||
/* The file offsets of the sections */
|
||||
obj_textsec (abfd)->filepos = N_TXTOFF(*execp);
|
||||
obj_datasec (abfd)->filepos = N_DATOFF(*execp);
|
||||
|
||||
/* The file offsets of the relocation info */
|
||||
obj_textsec (abfd)->rel_filepos = N_TRELOFF(*execp);
|
||||
obj_datasec (abfd)->rel_filepos = N_DRELOFF(*execp);
|
||||
|
||||
/* The file offsets of the string table and symbol table. */
|
||||
obj_str_filepos (abfd) = N_STROFF (*execp);
|
||||
obj_sym_filepos (abfd) = N_SYMOFF (*execp);
|
||||
|
||||
/* This common code can't fill in those things because they depend
|
||||
on either the start address of the text segment, the rounding
|
||||
up of virtual addersses between segments, or the starting file
|
||||
position of the text segment -- all of which varies among different
|
||||
versions of a.out. */
|
||||
|
||||
/* Determine the architecture and machine type of the object file. */
|
||||
switch (N_MACHTYPE (*exec_hdr (abfd))) {
|
||||
default:
|
||||
abfd->obj_arch = bfd_arch_obscure;
|
||||
break;
|
||||
}
|
||||
|
||||
/* Determine the size of a relocation entry */
|
||||
switch (abfd->obj_arch) {
|
||||
case bfd_arch_sparc:
|
||||
case bfd_arch_a29k:
|
||||
obj_reloc_entry_size (abfd) = RELOC_EXT_SIZE;
|
||||
default:
|
||||
obj_reloc_entry_size (abfd) = RELOC_STD_SIZE;
|
||||
}
|
||||
|
||||
return abfd->xvec;
|
||||
|
||||
/* The architecture is encoded in various ways in various a.out variants,
|
||||
or is not encoded at all in some of them. The relocation size depends
|
||||
on the architecture and the a.out variant. Finally, the return value
|
||||
is the bfd_target vector in use. If an error occurs, return zero and
|
||||
set bfd_error to the appropriate error code.
|
||||
|
||||
Formats such as b.out, which have additional fields in the a.out
|
||||
header, should cope with them in this callback as well. */
|
||||
#endif /* DOCUMENTATION */
|
||||
|
||||
return (*callback_to_real_object_p)(abfd);
|
||||
}
|
||||
|
||||
|
||||
boolean
|
||||
sunos4_mkobject (abfd)
|
||||
aout_mkobject (abfd)
|
||||
bfd *abfd;
|
||||
{
|
||||
char *rawptr;
|
||||
|
@ -285,15 +280,15 @@ sunos4_mkobject (abfd)
|
|||
bfd_error = system_call_error;
|
||||
|
||||
/* Use an intermediate variable for clarity */
|
||||
rawptr = bfd_zalloc (abfd, sizeof (struct sunexdata) + sizeof (struct exec));
|
||||
rawptr = bfd_zalloc (abfd, sizeof (struct aoutdata) + sizeof (struct exec));
|
||||
|
||||
if (rawptr == NULL) {
|
||||
bfd_error = no_memory;
|
||||
return false;
|
||||
}
|
||||
|
||||
set_tdata (abfd, (struct sunexdata *) rawptr);
|
||||
exec_hdr (abfd) = (struct exec *) (rawptr + sizeof (struct sunexdata));
|
||||
set_tdata (abfd, (struct aoutdata *) rawptr);
|
||||
exec_hdr (abfd) = (struct exec *) (rawptr + sizeof (struct aoutdata));
|
||||
|
||||
/* For simplicity's sake we just make all the sections right here. */
|
||||
|
||||
|
@ -314,7 +309,7 @@ sunos4_mkobject (abfd)
|
|||
If the architecture is understood, machine type 0 (default) should
|
||||
always be understood. */
|
||||
|
||||
static enum machine_type
|
||||
enum machine_type
|
||||
aout_machine_type (arch, machine)
|
||||
enum bfd_architecture arch;
|
||||
unsigned long machine;
|
||||
|
@ -354,7 +349,7 @@ aout_machine_type (arch, machine)
|
|||
}
|
||||
|
||||
boolean
|
||||
sunos4_set_arch_mach (abfd, arch, machine)
|
||||
aout_set_arch_mach (abfd, arch, machine)
|
||||
bfd *abfd;
|
||||
enum bfd_architecture arch;
|
||||
unsigned long machine;
|
||||
|
@ -366,359 +361,11 @@ sunos4_set_arch_mach (abfd, arch, machine)
|
|||
return false; /* We can't represent this type */
|
||||
return true; /* We're easy ... */
|
||||
}
|
||||
|
||||
boolean
|
||||
sunos4_write_object_contents (abfd)
|
||||
bfd *abfd;
|
||||
{
|
||||
size_t data_pad = 0;
|
||||
unsigned char exec_bytes[EXEC_BYTES_SIZE];
|
||||
struct exec *execp = exec_hdr (abfd);
|
||||
|
||||
execp->a_text = obj_textsec (abfd)->size;
|
||||
|
||||
/* Magic number, maestro, please! */
|
||||
switch (bfd_get_architecture(abfd)) {
|
||||
case bfd_arch_m68k:
|
||||
switch (bfd_get_machine(abfd)) {
|
||||
case 68010:
|
||||
N_SET_MACHTYPE(*execp, M_68010);
|
||||
break;
|
||||
default:
|
||||
case 68020:
|
||||
N_SET_MACHTYPE(*execp, M_68020);
|
||||
break;
|
||||
}
|
||||
break;
|
||||
case bfd_arch_sparc:
|
||||
N_SET_MACHTYPE(*execp, M_SPARC);
|
||||
break;
|
||||
case bfd_arch_i386:
|
||||
N_SET_MACHTYPE(*execp, M_386);
|
||||
break;
|
||||
case bfd_arch_a29k:
|
||||
N_SET_MACHTYPE(*execp, M_29K);
|
||||
break;
|
||||
default:
|
||||
N_SET_MACHTYPE(*execp, M_UNKNOWN);
|
||||
}
|
||||
|
||||
N_SET_MAGIC (*execp, OMAGIC);
|
||||
if (abfd->flags & D_PAGED) {
|
||||
/* This is not strictly true, but will probably do for the default
|
||||
case. FIXME. */
|
||||
execp->a_text = obj_textsec (abfd)->size + sizeof(struct exec);
|
||||
N_SET_MAGIC (*execp, ZMAGIC);
|
||||
} else if (abfd->flags & WP_TEXT) {
|
||||
N_SET_MAGIC (*execp, NMAGIC);
|
||||
}
|
||||
N_SET_FLAGS (*execp, 0x1); /* copied from ld.c; who the hell knows? */
|
||||
|
||||
if (abfd->flags & D_PAGED)
|
||||
{
|
||||
data_pad = ((obj_datasec(abfd)->size + PAGE_SIZE -1)
|
||||
& (- PAGE_SIZE)) - obj_datasec(abfd)->size;
|
||||
|
||||
if (data_pad > obj_bsssec(abfd)->size)
|
||||
execp->a_bss = 0;
|
||||
else
|
||||
execp->a_bss = obj_bsssec(abfd)->size - data_pad;
|
||||
execp->a_data = obj_datasec(abfd)->size + data_pad;
|
||||
|
||||
}
|
||||
else {
|
||||
execp->a_data = obj_datasec (abfd)->size;
|
||||
execp->a_bss = obj_bsssec (abfd)->size;
|
||||
}
|
||||
|
||||
execp->a_syms = bfd_get_symcount (abfd) * sizeof (struct nlist);
|
||||
execp->a_entry = bfd_get_start_address (abfd);
|
||||
|
||||
execp->a_trsize = ((obj_textsec (abfd)->reloc_count) *
|
||||
reloc_size_func(abfd));
|
||||
|
||||
execp->a_drsize = ((obj_datasec (abfd)->reloc_count) *
|
||||
reloc_size_func(abfd));
|
||||
|
||||
bfd_aout_swap_exec_header_out (abfd, execp, exec_bytes);
|
||||
|
||||
bfd_seek (abfd, 0L, false);
|
||||
bfd_write ((PTR) exec_bytes, 1, EXEC_BYTES_SIZE, abfd);
|
||||
|
||||
/* Now write out reloc info, followed by syms and strings */
|
||||
|
||||
if (bfd_get_symcount (abfd) != 0)
|
||||
{
|
||||
bfd_seek (abfd,
|
||||
(long)(N_SYMOFF(*execp)), false);
|
||||
|
||||
sunos4_write_syms (abfd);
|
||||
|
||||
bfd_seek (abfd, (long)(N_TRELOFF(*execp)), false);
|
||||
|
||||
if (!sunos4_squirt_out_relocs (abfd, obj_textsec (abfd))) return false;
|
||||
bfd_seek (abfd, (long)(N_DRELOFF(*execp)), false);
|
||||
|
||||
if (!sunos4_squirt_out_relocs (abfd, obj_datasec (abfd))) return false;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
/* core files */
|
||||
|
||||
#define CORE_MAGIC 0x080456
|
||||
#define CORE_NAMELEN 16
|
||||
|
||||
/* The core structure is taken from the Sun documentation.
|
||||
Unfortunately, they don't document the FPA structure, or at least I
|
||||
can't find it easily. Fortunately the core header contains its own
|
||||
length. So this shouldn't cause problems, except for c_ucode, which
|
||||
so far we don't use but is easy to find with a little arithmetic. */
|
||||
|
||||
/* But the reg structure can be gotten from the SPARC processor handbook.
|
||||
This really should be in a GNU include file though so that gdb can use
|
||||
the same info. */
|
||||
struct regs {
|
||||
int r_psr;
|
||||
int r_pc;
|
||||
int r_npc;
|
||||
int r_y;
|
||||
int r_g1;
|
||||
int r_g2;
|
||||
int r_g3;
|
||||
int r_g4;
|
||||
int r_g5;
|
||||
int r_g6;
|
||||
int r_g7;
|
||||
int r_o0;
|
||||
int r_o1;
|
||||
int r_o2;
|
||||
int r_o3;
|
||||
int r_o4;
|
||||
int r_o5;
|
||||
int r_o6;
|
||||
int r_o7;
|
||||
};
|
||||
|
||||
/* Taken from Sun documentation: */
|
||||
|
||||
/* FIXME: It's worse than we expect. This struct contains TWO substructs
|
||||
neither of whose size we know, WITH STUFF IN BETWEEN THEM! We can't
|
||||
even portably access the stuff in between! */
|
||||
|
||||
struct core {
|
||||
int c_magic; /* Corefile magic number */
|
||||
int c_len; /* Sizeof (struct core) */
|
||||
struct regs c_regs; /* General purpose registers */
|
||||
struct exec c_aouthdr; /* A.out header */
|
||||
int c_signo; /* Killing signal, if any */
|
||||
int c_tsize; /* Text size (bytes) */
|
||||
int c_dsize; /* Data size (bytes) */
|
||||
int c_ssize; /* Stack size (bytes) */
|
||||
char c_cmdname[CORE_NAMELEN + 1]; /* Command name */
|
||||
double fp_stuff[1]; /* external FPU state (size unknown by us) */
|
||||
/* The type "double" is critical here, for alignment.
|
||||
SunOS declares a struct here, but the struct's alignment
|
||||
is double since it contains doubles. */
|
||||
int c_ucode; /* Exception no. from u_code */
|
||||
/* (this member is not accessible by name since we don't
|
||||
portably know the size of fp_stuff.) */
|
||||
};
|
||||
|
||||
/* Supposedly the user stack grows downward from the bottom of kernel memory.
|
||||
Presuming that this remains true, this definition will work. */
|
||||
#define USRSTACK (-(128*1024*1024))
|
||||
|
||||
PROTO (static void, swapcore, (bfd *abfd, struct core *core));
|
||||
|
||||
/* need this cast b/c ptr is really void * */
|
||||
#define core_hdr(bfd) (((struct suncordata *) (bfd->tdata))->hdr)
|
||||
#define core_datasec(bfd) (((struct suncordata *) ((bfd)->tdata))->data_section)
|
||||
#define core_stacksec(bfd) (((struct suncordata*)((bfd)->tdata))->stack_section)
|
||||
#define core_regsec(bfd) (((struct suncordata *) ((bfd)->tdata))->reg_section)
|
||||
#define core_reg2sec(bfd) (((struct suncordata *) ((bfd)->tdata))->reg2_section)
|
||||
|
||||
/* These are stored in the bfd's tdata */
|
||||
struct suncordata {
|
||||
struct core *hdr; /* core file header */
|
||||
asection *data_section;
|
||||
asection *stack_section;
|
||||
asection *reg_section;
|
||||
asection *reg2_section;
|
||||
};
|
||||
|
||||
bfd_target *
|
||||
sunos4_core_file_p (abfd)
|
||||
bfd *abfd;
|
||||
{
|
||||
unsigned char longbuf[4]; /* Raw bytes of various header fields */
|
||||
int core_size;
|
||||
int core_mag;
|
||||
struct core *core;
|
||||
char *rawptr;
|
||||
|
||||
bfd_error = system_call_error;
|
||||
|
||||
if (bfd_read ((PTR)longbuf, 1, sizeof (longbuf), abfd) !=
|
||||
sizeof (longbuf))
|
||||
return 0;
|
||||
core_mag = bfd_h_getlong (abfd, longbuf);
|
||||
|
||||
if (core_mag != CORE_MAGIC) return 0;
|
||||
|
||||
/* SunOS core headers can vary in length; second word is size; */
|
||||
if (bfd_read ((PTR)longbuf, 1, sizeof (longbuf), abfd) !=
|
||||
sizeof (longbuf))
|
||||
return 0;
|
||||
core_size = bfd_h_getlong (abfd, longbuf);
|
||||
/* Sanity check */
|
||||
if (core_size > 20000)
|
||||
return 0;
|
||||
|
||||
if (bfd_seek (abfd, 0L, false) < 0) return 0;
|
||||
|
||||
rawptr = bfd_zalloc (abfd, core_size + sizeof (struct suncordata));
|
||||
if (rawptr == NULL) {
|
||||
bfd_error = no_memory;
|
||||
return 0;
|
||||
}
|
||||
|
||||
core = (struct core *) (rawptr + sizeof (struct suncordata));
|
||||
|
||||
if ((bfd_read ((PTR) core, 1, core_size, abfd)) != core_size) {
|
||||
bfd_error = system_call_error;
|
||||
bfd_release (abfd, rawptr);
|
||||
return 0;
|
||||
}
|
||||
|
||||
swapcore (abfd, core);
|
||||
set_tdata (abfd, ((struct suncordata *) rawptr));
|
||||
core_hdr (abfd) = core;
|
||||
|
||||
/* create the sections. This is raunchy, but bfd_close wants to reclaim
|
||||
them */
|
||||
core_stacksec (abfd) = (asection *) bfd_zalloc (abfd, sizeof (asection));
|
||||
if (core_stacksec (abfd) == NULL) {
|
||||
loser:
|
||||
bfd_error = no_memory;
|
||||
bfd_release (abfd, rawptr);
|
||||
return 0;
|
||||
}
|
||||
core_datasec (abfd) = (asection *) bfd_zalloc (abfd, sizeof (asection));
|
||||
if (core_datasec (abfd) == NULL) {
|
||||
loser1:
|
||||
bfd_release (abfd, core_stacksec (abfd));
|
||||
goto loser;
|
||||
}
|
||||
core_regsec (abfd) = (asection *) bfd_zalloc (abfd, sizeof (asection));
|
||||
if (core_regsec (abfd) == NULL) {
|
||||
loser2:
|
||||
bfd_release (abfd, core_datasec (abfd));
|
||||
goto loser1;
|
||||
}
|
||||
core_reg2sec (abfd) = (asection *) bfd_zalloc (abfd, sizeof (asection));
|
||||
if (core_reg2sec (abfd) == NULL) {
|
||||
bfd_release (abfd, core_regsec (abfd));
|
||||
goto loser2;
|
||||
}
|
||||
|
||||
core_stacksec (abfd)->name = ".stack";
|
||||
core_datasec (abfd)->name = ".data";
|
||||
core_regsec (abfd)->name = ".reg";
|
||||
core_reg2sec (abfd)->name = ".reg2";
|
||||
|
||||
core_stacksec (abfd)->flags = SEC_ALLOC + SEC_LOAD;
|
||||
core_datasec (abfd)->flags = SEC_ALLOC + SEC_LOAD;
|
||||
core_regsec (abfd)->flags = SEC_ALLOC;
|
||||
core_reg2sec (abfd)->flags = SEC_ALLOC;
|
||||
|
||||
core_stacksec (abfd)->size = core->c_ssize;
|
||||
core_datasec (abfd)->size = core->c_dsize;
|
||||
core_regsec (abfd)->size = (sizeof core->c_regs);
|
||||
/* Float regs take up end of struct, except c_ucode. */
|
||||
core_reg2sec (abfd)->size = core_size - (sizeof core->c_ucode) -
|
||||
(file_ptr)(((struct core *)0)->fp_stuff);
|
||||
|
||||
core_stacksec (abfd)->vma = (USRSTACK - core->c_ssize);
|
||||
core_datasec (abfd)->vma = N_DATADDR(core->c_aouthdr);
|
||||
core_regsec (abfd)->vma = -1;
|
||||
core_reg2sec (abfd)->vma = -1;
|
||||
|
||||
core_stacksec (abfd)->filepos = core->c_len + core->c_dsize;
|
||||
core_datasec (abfd)->filepos = core->c_len;
|
||||
/* In file header: */
|
||||
core_regsec (abfd)->filepos = (file_ptr)(&((struct core *)0)->c_regs);
|
||||
core_reg2sec (abfd)->filepos = (file_ptr)(((struct core *)0)->fp_stuff);
|
||||
|
||||
/* Align to word at least */
|
||||
core_stacksec (abfd)->alignment_power = 2;
|
||||
core_datasec (abfd)->alignment_power = 2;
|
||||
core_regsec (abfd)->alignment_power = 2;
|
||||
core_reg2sec (abfd)->alignment_power = 2;
|
||||
|
||||
abfd->sections = core_stacksec (abfd);
|
||||
core_stacksec (abfd)->next = core_datasec (abfd);
|
||||
core_datasec (abfd)->next = core_regsec (abfd);
|
||||
core_regsec (abfd)->next = core_reg2sec (abfd);
|
||||
|
||||
abfd->section_count = 4;
|
||||
|
||||
return abfd->xvec;
|
||||
}
|
||||
|
||||
char *
|
||||
sunos4_core_file_failing_command (abfd)
|
||||
bfd *abfd;
|
||||
{
|
||||
return core_hdr (abfd)->c_cmdname;
|
||||
}
|
||||
|
||||
int
|
||||
sunos4_core_file_failing_signal (abfd)
|
||||
bfd *abfd;
|
||||
{
|
||||
return core_hdr (abfd)->c_signo;
|
||||
}
|
||||
/* exec and core file sections */
|
||||
|
||||
boolean
|
||||
sunos4_core_file_matches_executable_p (core_bfd, exec_bfd)
|
||||
bfd *core_bfd, *exec_bfd;
|
||||
{
|
||||
if (core_bfd->xvec != exec_bfd->xvec) {
|
||||
bfd_error = system_call_error;
|
||||
return false;
|
||||
}
|
||||
|
||||
return (bcmp ((char *)&core_hdr (core_bfd), (char*) &exec_hdr (exec_bfd),
|
||||
sizeof (struct exec)) == 0) ? true : false;
|
||||
}
|
||||
|
||||
/* byte-swap core structure */
|
||||
/* FIXME, this needs more work to swap IN a core struct from raw bytes */
|
||||
static void
|
||||
swapcore (abfd, core)
|
||||
bfd *abfd;
|
||||
struct core *core;
|
||||
{
|
||||
unsigned char exec_bytes[EXEC_BYTES_SIZE];
|
||||
|
||||
core->c_magic = bfd_h_getlong (abfd, (unsigned char *)&core->c_magic);
|
||||
core->c_len = bfd_h_getlong (abfd, (unsigned char *)&core->c_len );
|
||||
/* Leave integer registers in target byte order. */
|
||||
bcopy ((char *)&(core->c_aouthdr), (char *)exec_bytes, EXEC_BYTES_SIZE);
|
||||
bfd_aout_swap_exec_header_in (abfd, exec_bytes, &core->c_aouthdr);
|
||||
core->c_signo = bfd_h_getlong (abfd, (unsigned char *)&core->c_signo);
|
||||
core->c_tsize = bfd_h_getlong (abfd, (unsigned char *)&core->c_tsize);
|
||||
core->c_dsize = bfd_h_getlong (abfd, (unsigned char *)&core->c_dsize);
|
||||
core->c_ssize = bfd_h_getlong (abfd, (unsigned char *)&core->c_ssize);
|
||||
/* Leave FP registers in target byte order. */
|
||||
/* Leave "c_ucode" unswapped for now, since we can't find it easily. */
|
||||
}
|
||||
|
||||
/** exec and core file sections */
|
||||
|
||||
boolean
|
||||
sunos4_new_section_hook (abfd, newsect)
|
||||
aout_new_section_hook (abfd, newsect)
|
||||
bfd *abfd;
|
||||
asection *newsect;
|
||||
{
|
||||
|
@ -747,10 +394,10 @@ sunos4_new_section_hook (abfd, newsect)
|
|||
}
|
||||
|
||||
boolean
|
||||
sunos4_set_section_contents (abfd, section, location, offset, count)
|
||||
aout_set_section_contents (abfd, section, location, offset, count)
|
||||
bfd *abfd;
|
||||
sec_ptr section;
|
||||
unsigned char *location;
|
||||
PTR location;
|
||||
file_ptr offset;
|
||||
int count;
|
||||
{
|
||||
|
@ -782,29 +429,9 @@ sunos4_set_section_contents (abfd, section, location, offset, count)
|
|||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
boolean
|
||||
sunos4_get_section_contents (abfd, section, location, offset, count)
|
||||
bfd *abfd;
|
||||
sec_ptr section;
|
||||
PTR location;
|
||||
file_ptr offset;
|
||||
int count;
|
||||
{
|
||||
if (count) {
|
||||
if (offset >= section->size) return false;
|
||||
|
||||
bfd_seek (abfd, section->filepos + offset, SEEK_SET);
|
||||
|
||||
return (bfd_read (location, 1, count, abfd) == count) ? true:false;
|
||||
}
|
||||
else return true;
|
||||
}
|
||||
|
||||
|
||||
/* Classify stabs symbols */
|
||||
|
||||
|
||||
#define sym_in_text_section(sym) \
|
||||
(((sym)->n_type & (N_ABS | N_TEXT | N_DATA | N_BSS))== N_TEXT)
|
||||
|
||||
|
@ -1032,7 +659,7 @@ translate_to_native_sym_flags (sym_pointer, cache_ptr_g, abfd)
|
|||
hold them all plus all the cached symbol entries. */
|
||||
|
||||
asymbol *
|
||||
sunos4_make_empty_symbol (abfd)
|
||||
aout_make_empty_symbol (abfd)
|
||||
bfd *abfd;
|
||||
{
|
||||
aout_symbol_type *new =
|
||||
|
@ -1043,7 +670,7 @@ bfd *abfd;
|
|||
}
|
||||
|
||||
boolean
|
||||
DEFUN(sunos4_slurp_symbol_table, (abfd),
|
||||
DEFUN(aout_slurp_symbol_table, (abfd),
|
||||
bfd *abfd)
|
||||
{
|
||||
size_t symbol_size;
|
||||
|
@ -1133,7 +760,7 @@ DEFUN(sunos4_slurp_symbol_table, (abfd),
|
|||
|
||||
|
||||
void
|
||||
DEFUN(sunos4_write_syms,(abfd),
|
||||
DEFUN(aout_write_syms,(abfd),
|
||||
bfd *abfd)
|
||||
{
|
||||
unsigned int count ;
|
||||
|
@ -1203,30 +830,30 @@ DEFUN(sunos4_write_syms,(abfd),
|
|||
|
||||
|
||||
void
|
||||
DEFUN(sunos4_reclaim_symbol_table,(abfd),
|
||||
DEFUN(aout_reclaim_symbol_table,(abfd),
|
||||
bfd *abfd)
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
unsigned int
|
||||
sunos4_get_symtab_upper_bound (abfd)
|
||||
aout_get_symtab_upper_bound (abfd)
|
||||
bfd *abfd;
|
||||
{
|
||||
if (!sunos4_slurp_symbol_table (abfd)) return 0;
|
||||
if (!aout_slurp_symbol_table (abfd)) return 0;
|
||||
|
||||
return (bfd_get_symcount (abfd)+1) * (sizeof (aout_symbol_type *));
|
||||
}
|
||||
|
||||
unsigned int
|
||||
sunos4_get_symtab (abfd, location)
|
||||
aout_get_symtab (abfd, location)
|
||||
bfd *abfd;
|
||||
asymbol **location;
|
||||
{
|
||||
unsigned int counter = 0;
|
||||
aout_symbol_type *symbase;
|
||||
|
||||
if (!sunos4_slurp_symbol_table (abfd)) return 0;
|
||||
if (!aout_slurp_symbol_table (abfd)) return 0;
|
||||
|
||||
for (symbase = obj_aout_symbols(abfd); counter++ < bfd_get_symcount (abfd);)
|
||||
*(location++) = (asymbol *)( symbase++);
|
||||
|
@ -1262,7 +889,7 @@ swap_std_reloc_out (abfd, g, natptr)
|
|||
|
||||
r_addend = g->addend; /* Start here, see how it goes */
|
||||
|
||||
/* name was clobbered by sunos4_write_syms to be symbol index */
|
||||
/* name was clobbered by aout_write_syms to be symbol index */
|
||||
|
||||
if (g->sym_ptr_ptr != NULL)
|
||||
{
|
||||
|
@ -1348,7 +975,7 @@ swap_ext_reloc_out (abfd, g, natptr)
|
|||
|
||||
r_addend = g->addend; /* Start here, see how it goes */
|
||||
|
||||
/* name was clobbered by sunos4_write_syms to be symbol index*/
|
||||
/* name was clobbered by aout_write_syms to be symbol index*/
|
||||
|
||||
if (g->sym_ptr_ptr != NULL)
|
||||
{
|
||||
|
@ -1450,7 +1077,7 @@ swap_ext_reloc_in (abfd, bytes, cache_ptr, symbols)
|
|||
int r_index;
|
||||
int r_extern;
|
||||
unsigned int r_type;
|
||||
struct sunexdata *su = (struct sunexdata *)(abfd->tdata);
|
||||
struct aoutdata *su = (struct aoutdata *)(abfd->tdata);
|
||||
|
||||
cache_ptr->address = bfd_h_getlong (abfd, bytes->r_address);
|
||||
|
||||
|
@ -1487,7 +1114,7 @@ swap_std_reloc_in (abfd, bytes, cache_ptr, symbols)
|
|||
unsigned int r_length;
|
||||
int r_pcrel;
|
||||
int r_baserel, r_jmptable, r_relative;
|
||||
struct sunexdata *su = (struct sunexdata *)(abfd->tdata);
|
||||
struct aoutdata *su = (struct aoutdata *)(abfd->tdata);
|
||||
|
||||
cache_ptr->address = bfd_h_getlong (abfd, bytes->r_address);
|
||||
|
||||
|
@ -1525,7 +1152,7 @@ swap_std_reloc_in (abfd, bytes, cache_ptr, symbols)
|
|||
/* Reloc hackery */
|
||||
|
||||
boolean
|
||||
sunos4_slurp_reloc_table (abfd, asect, symbols)
|
||||
aout_slurp_reloc_table (abfd, asect, symbols)
|
||||
bfd *abfd;
|
||||
sec_ptr asect;
|
||||
asymbol **symbols;
|
||||
|
@ -1555,7 +1182,7 @@ sunos4_slurp_reloc_table (abfd, asect, symbols)
|
|||
|
||||
doit:
|
||||
bfd_seek (abfd, asect->rel_filepos, SEEK_SET);
|
||||
each_size = reloc_size_func(abfd);
|
||||
each_size = obj_reloc_entry_size (abfd);
|
||||
|
||||
count = reloc_size / each_size;
|
||||
|
||||
|
@ -1610,8 +1237,8 @@ nomem:
|
|||
|
||||
/* Write out a relocation section into an object file. */
|
||||
|
||||
static boolean
|
||||
sunos4_squirt_out_relocs (abfd, section)
|
||||
boolean
|
||||
aout_squirt_out_relocs (abfd, section)
|
||||
bfd *abfd;
|
||||
asection *section;
|
||||
{
|
||||
|
@ -1624,7 +1251,7 @@ sunos4_squirt_out_relocs (abfd, section)
|
|||
|
||||
if (count == 0) return true;
|
||||
|
||||
each_size = reloc_size_func(abfd);
|
||||
each_size = obj_reloc_entry_size (abfd);
|
||||
natsize = each_size * count;
|
||||
native = (unsigned char *) bfd_zalloc (abfd, natsize);
|
||||
if (!native) {
|
||||
|
@ -1660,7 +1287,7 @@ sunos4_squirt_out_relocs (abfd, section)
|
|||
|
||||
/* This is stupid. This function should be a boolean predicate */
|
||||
unsigned int
|
||||
sunos4_canonicalize_reloc (abfd, section, relptr, symbols)
|
||||
aout_canonicalize_reloc (abfd, section, relptr, symbols)
|
||||
bfd *abfd;
|
||||
sec_ptr section;
|
||||
arelent **relptr;
|
||||
|
@ -1669,7 +1296,7 @@ sunos4_canonicalize_reloc (abfd, section, relptr, symbols)
|
|||
arelent *tblptr = section->relocation;
|
||||
unsigned int count;
|
||||
|
||||
if (!(tblptr || sunos4_slurp_reloc_table (abfd, section, symbols)))
|
||||
if (!(tblptr || aout_slurp_reloc_table (abfd, section, symbols)))
|
||||
return 0;
|
||||
|
||||
if (section->flags & SEC_CONSTRUCTOR) {
|
||||
|
@ -1694,7 +1321,7 @@ sunos4_canonicalize_reloc (abfd, section, relptr, symbols)
|
|||
}
|
||||
|
||||
unsigned int
|
||||
sunos4_get_reloc_upper_bound (abfd, asect)
|
||||
aout_get_reloc_upper_bound (abfd, asect)
|
||||
bfd *abfd;
|
||||
sec_ptr asect;
|
||||
{
|
||||
|
@ -1709,12 +1336,12 @@ sunos4_get_reloc_upper_bound (abfd, asect)
|
|||
|
||||
if (asect == obj_datasec (abfd))
|
||||
return (sizeof (arelent *) *
|
||||
((exec_hdr(abfd)->a_drsize / reloc_size_func(abfd))
|
||||
((exec_hdr(abfd)->a_drsize / obj_reloc_entry_size (abfd))
|
||||
+1));
|
||||
|
||||
if (asect == obj_textsec (abfd))
|
||||
return (sizeof (arelent *) *
|
||||
((exec_hdr(abfd)->a_trsize / reloc_size_func(abfd))
|
||||
((exec_hdr(abfd)->a_trsize / obj_reloc_entry_size (abfd))
|
||||
+1));
|
||||
|
||||
bfd_error = invalid_operation;
|
||||
|
@ -1722,7 +1349,7 @@ sunos4_get_reloc_upper_bound (abfd, asect)
|
|||
}
|
||||
|
||||
void
|
||||
sunos4_reclaim_reloc (ignore_abfd, ignore)
|
||||
aout_reclaim_reloc (ignore_abfd, ignore)
|
||||
bfd *ignore_abfd;
|
||||
sec_ptr ignore;
|
||||
{
|
||||
|
@ -1731,20 +1358,22 @@ sunos4_reclaim_reloc (ignore_abfd, ignore)
|
|||
|
||||
|
||||
alent *
|
||||
sunos4_get_lineno(ignore_abfd, ignore_symbol)
|
||||
aout_get_lineno(ignore_abfd, ignore_symbol)
|
||||
bfd *ignore_abfd;
|
||||
PTR ignore_symbol;
|
||||
asymbol *ignore_symbol;
|
||||
{
|
||||
return (alent *)NULL;
|
||||
}
|
||||
|
||||
void
|
||||
sunos4_print_symbol(ignore_abfd, file, symbol, how)
|
||||
aout_print_symbol(ignore_abfd, afile, symbol, how)
|
||||
bfd *ignore_abfd;
|
||||
FILE *file;
|
||||
PTR afile;
|
||||
asymbol *symbol;
|
||||
bfd_print_symbol_enum_type how;
|
||||
{
|
||||
FILE *file = (FILE *)afile;
|
||||
|
||||
switch (how) {
|
||||
case bfd_print_symbol_name_enum:
|
||||
fprintf(file,"%s", symbol->name);
|
||||
|
@ -1771,24 +1400,6 @@ bfd_print_symbol_enum_type how;
|
|||
break;
|
||||
}
|
||||
}
|
||||
/* Once we know all the stuff that could be consed, we know how to clean
|
||||
it up. So why don't we? */
|
||||
|
||||
boolean
|
||||
sunos4_close_and_cleanup (abfd)
|
||||
bfd *abfd;
|
||||
{
|
||||
if (!bfd_read_p (abfd))
|
||||
switch (abfd->format) {
|
||||
case bfd_archive:
|
||||
if (!_bfd_write_archive_contents (abfd)) return false; break;
|
||||
case bfd_object:
|
||||
if (!sunos4_write_object_contents (abfd)) return false; break;
|
||||
default: bfd_error = invalid_operation; return false;
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
/*
|
||||
provided a bfd, a section and an offset into the section, calculate
|
||||
|
@ -1797,7 +1408,7 @@ sunos4_close_and_cleanup (abfd)
|
|||
*/
|
||||
|
||||
boolean
|
||||
DEFUN(sunos4_find_nearest_line,(abfd,
|
||||
DEFUN(aout_find_nearest_line,(abfd,
|
||||
section,
|
||||
symbols,
|
||||
offset,
|
||||
|
@ -1872,63 +1483,9 @@ DEFUN(sunos4_find_nearest_line,(abfd,
|
|||
|
||||
}
|
||||
|
||||
static int
|
||||
DEFUN(sunos4_sizeof_headers,(ignore_abfd),
|
||||
int
|
||||
DEFUN(aout_sizeof_headers,(ignore_abfd),
|
||||
bfd *ignore_abfd)
|
||||
{
|
||||
return 0; /* FIXME, this is the wrong value! */
|
||||
}
|
||||
|
||||
#define sunos4_openr_next_archived_file bfd_generic_openr_next_archived_file
|
||||
#define sunos4_generic_stat_arch_elt bfd_generic_stat_arch_elt
|
||||
#define sunos4_slurp_armap bfd_slurp_bsd_armap
|
||||
#define sunos4_slurp_extended_name_table bfd_true
|
||||
#define sunos4_write_armap bsd_write_armap
|
||||
#define sunos4_truncate_arname bfd_bsd_truncate_arname
|
||||
bfd_target aout_big_vec =
|
||||
{
|
||||
"a.out-generic-big", /* name */
|
||||
bfd_target_aout_flavour_enum,
|
||||
true, /* target byte order */
|
||||
true, /* target headers byte order */
|
||||
(HAS_RELOC | EXEC_P | /* object flags */
|
||||
HAS_LINENO | HAS_DEBUG |
|
||||
HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT | D_PAGED),
|
||||
(SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
|
||||
' ', /* ar_pad_char */
|
||||
16, /* ar_max_namelen */
|
||||
_do_getblong, _do_putblong, _do_getbshort, _do_putbshort, /* data */
|
||||
_do_getblong, _do_putblong, _do_getbshort, _do_putbshort, /* hdrs */
|
||||
|
||||
{_bfd_dummy_target, sunos4_object_p,
|
||||
bfd_generic_archive_p, sunos4_core_file_p},
|
||||
{bfd_false, sunos4_mkobject,
|
||||
_bfd_generic_mkarchive, bfd_false},
|
||||
|
||||
JUMP_TABLE(sunos4)
|
||||
};
|
||||
|
||||
|
||||
bfd_target aout_little_vec =
|
||||
{
|
||||
"a.out-generic-little", /* name */
|
||||
bfd_target_aout_flavour_enum,
|
||||
false, /* target byte order */
|
||||
false, /* target headers byte order */
|
||||
(HAS_RELOC | EXEC_P | /* object flags */
|
||||
HAS_LINENO | HAS_DEBUG |
|
||||
HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT | D_PAGED),
|
||||
(SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
|
||||
' ', /* ar_pad_char */
|
||||
16, /* ar_max_namelen */
|
||||
_do_getllong, _do_putllong, _do_getlshort, _do_putlshort, /* data */
|
||||
_do_getllong, _do_putllong, _do_getlshort, _do_putlshort, /* hdrs */
|
||||
|
||||
|
||||
{_bfd_dummy_target, sunos4_object_p,
|
||||
bfd_generic_archive_p, sunos4_core_file_p},
|
||||
{bfd_false, sunos4_mkobject,
|
||||
_bfd_generic_mkarchive, bfd_false},
|
||||
|
||||
JUMP_TABLE(sunos4)
|
||||
};
|
||||
|
|
Loading…
Reference in New Issue