/* BFD back end for SCO5 core files (U-area and raw sections)
- Copyright 1998 Free Software Foundation, Inc.
+ Copyright (C) 1998-2020 Free Software Foundation, Inc.
Written by Jouke Numan <jnuman@hiscom.nl>
-This file is part of BFD, the Binary File Descriptor library.
+ This file is part of BFD, the Binary File Descriptor library.
-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 free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+ 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. */
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
-#include "bfd.h"
#include "sysdep.h"
+#include "bfd.h"
#include "libbfd.h"
-#include "libaout.h" /* BFD a.out internal data structures */
+#include "libaout.h" /* BFD a.out internal data structures */
#include <stdio.h>
#include <sys/types.h>
#include <sys/dir.h>
#include <signal.h>
-#include <sys/user.h> /* After a.out.h */
+#include <sys/user.h> /* After a.out.h */
+#ifdef SCO5_CORE
#include <sys/paccess.h>
#include <sys/region.h>
+#endif
struct sco5_core_struct
{
/* forward declarations */
-static asection *
-make_bfd_asection PARAMS ((bfd *, const char *, flagword, bfd_size_type,
- bfd_vma, file_ptr));
-static asymbol *sco5_core_make_empty_symbol PARAMS ((bfd *));
-static struct user *read_uarea PARAMS ((bfd *, int));
-const bfd_target *sco5_core_file_p PARAMS ((bfd *abfd));
-char *sco5_core_file_failing_command PARAMS ((bfd *abfd));
-int sco5_core_file_failing_signal PARAMS ((bfd *abfd));
-boolean sco5_core_file_matches_executable_p PARAMS ((bfd *core_bfd,
- bfd *exec_bfd));
-static void swap_abort PARAMS ((void));
+#define sco5_core_file_matches_executable_p generic_core_file_matches_executable_p
+#define sco5_core_file_pid _bfd_nocore_core_file_pid
static asection *
-make_bfd_asection (abfd, name, flags, _raw_size, vma, filepos)
- bfd *abfd;
- const char *name;
- flagword flags;
- bfd_size_type _raw_size;
- bfd_vma vma;
- file_ptr filepos;
+make_bfd_asection (bfd *abfd,
+ const char *name,
+ flagword flags,
+ bfd_size_type size,
+ bfd_vma vma,
+ file_ptr filepos)
{
asection *asect;
- asect = bfd_make_section_anyway (abfd, name);
+ asect = bfd_make_section_anyway_with_flags (abfd, name, flags);
if (!asect)
return NULL;
- asect->flags = flags;
- asect->_raw_size = _raw_size;
+ asect->size = size;
asect->vma = vma;
asect->filepos = filepos;
asect->alignment_power = 2;
return asect;
}
-static asymbol *
-sco5_core_make_empty_symbol (abfd)
- bfd *abfd;
-{
- asymbol *new = (asymbol *) bfd_zalloc (abfd, sizeof (asymbol));
- if (new)
- new->the_bfd = abfd;
- return new;
-}
-
static struct user *
-read_uarea(abfd, filepos)
- bfd *abfd;
- int filepos;
-
+read_uarea (bfd *abfd, int filepos)
{
struct sco5_core_struct *rawptr;
+ size_t amt = sizeof (struct sco5_core_struct);
- rawptr = ((struct sco5_core_struct *)
- bfd_zmalloc (sizeof (struct sco5_core_struct)));
+ rawptr = (struct sco5_core_struct *) bfd_zmalloc (amt);
if (rawptr == NULL)
return NULL;
abfd->tdata.sco5_core_data = rawptr;
- if ((bfd_seek (abfd, filepos, SEEK_SET) != 0)
- || (bfd_read ((void *)&rawptr->u, 1, sizeof rawptr->u, abfd)
- != sizeof rawptr->u))
+ if (bfd_seek (abfd, (file_ptr) filepos, SEEK_SET) != 0
+ || bfd_bread ((void *) &rawptr->u, (bfd_size_type) sizeof rawptr->u,
+ abfd) != sizeof rawptr->u)
{
bfd_set_error (bfd_error_wrong_format);
return NULL;
}
/* Sanity check perhaps??? */
- if (rawptr->u.u_dsize > 0x1000000) /* Remember, it's in pages... */
+ if (rawptr->u.u_dsize > 0x1000000) /* Remember, it's in pages... */
{
bfd_set_error (bfd_error_wrong_format);
return NULL;
return &rawptr->u;
}
-/* ARGSUSED */
-const bfd_target *
-sco5_core_file_p (abfd)
- bfd *abfd;
+bfd_cleanup
+sco5_core_file_p (bfd *abfd)
{
int coffset_siz, val, nsecs, cheadoffs;
int coresize;
char *secname;
flagword flags;
- /* Read coreoffsets region at end of core (see core(FP)) */
+ /* Read coreoffsets region at end of core (see core(FP)). */
{
- FILE *stream = bfd_cache_lookup (abfd);
struct stat statbuf;
- if (stream == NULL)
+
+ if (bfd_stat (abfd, &statbuf) < 0)
return NULL;
- if (fstat (fileno (stream), &statbuf) < 0)
- {
- bfd_set_error (bfd_error_system_call);
- return NULL;
- }
+
coresize = statbuf.st_size;
}
/* Last long in core is sizeof struct coreoffsets, read it */
- if ((bfd_seek (abfd, coresize-sizeof coffset_siz, SEEK_SET) != 0)
- || (bfd_read ((void *)&coffset_siz, 1, sizeof coffset_siz, abfd)
- != sizeof coffset_siz) )
+ if ((bfd_seek (abfd, (file_ptr) (coresize - sizeof coffset_siz),
+ SEEK_SET) != 0)
+ || bfd_bread ((void *) &coffset_siz, (bfd_size_type) sizeof coffset_siz,
+ abfd) != sizeof coffset_siz)
{
- bfd_set_error (bfd_error_wrong_format);
+ bfd_set_error (bfd_error_wrong_format);
return NULL;
}
/* Use it to seek start of coreoffsets region, read it and determine
validity */
- if ((bfd_seek (abfd, coresize-coffset_siz, SEEK_SET) != 0)
- || (bfd_read ((void *)&coffsets, 1, sizeof coffsets, abfd)
+ if ((bfd_seek (abfd, (file_ptr) (coresize - coffset_siz), SEEK_SET) != 0)
+ || (bfd_bread ((void *) &coffsets, (bfd_size_type) sizeof coffsets, abfd)
!= sizeof coffsets)
|| ((coffsets.u_info != 1) && (coffsets.u_info != C_VERSION)))
{
- bfd_set_error (bfd_error_wrong_format);
+ bfd_set_error (bfd_error_wrong_format);
return NULL;
}
-
- if (coffsets.u_info == 1)
- {
+ if (coffsets.u_info == 1)
+ {
/* Old version, no section heads, read info from user struct */
- u = read_uarea(abfd, coffsets.u_user);
+ u = read_uarea (abfd, coffsets.u_user);
if (! u)
- return NULL;
-
- if (!make_bfd_asection (abfd, ".reg", SEC_HAS_CONTENTS,
- (bfd_size_type) coffsets.u_usize,
- 0 - (bfd_vma) u->u_ar0,
- (file_ptr) coffsets.u_user))
- return NULL;
-
- if (!make_bfd_asection (abfd, ".data",
+ goto fail;
+
+ if (!make_bfd_asection (abfd, ".reg", SEC_HAS_CONTENTS,
+ (bfd_size_type) coffsets.u_usize,
+ 0 - (bfd_vma) u->u_ar0,
+ (file_ptr) coffsets.u_user))
+ goto fail;
+
+ if (!make_bfd_asection (abfd, ".data",
SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS,
- ((bfd_size_type) u->u_exdata.ux_dsize
+ ((bfd_size_type) u->u_exdata.ux_dsize
+ u->u_exdata.ux_bsize),
- (bfd_vma) u->u_exdata.ux_datorg,
- (file_ptr) coffsets.u_data))
- return NULL;
-
- if (!make_bfd_asection (abfd, ".stack",
- SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS,
- (bfd_size_type) u->u_ssize * NBPC,
- (bfd_vma) u->u_sub,
- (file_ptr) coffsets.u_stack))
- return NULL;
-
- return abfd->xvec; /* Done for version 1 */
- }
+ (bfd_vma) u->u_exdata.ux_datorg,
+ (file_ptr) coffsets.u_data))
+ goto fail;
+
+ if (!make_bfd_asection (abfd, ".stack",
+ SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS,
+ (bfd_size_type) u->u_ssize * NBPC,
+ (bfd_vma) u->u_sub,
+ (file_ptr) coffsets.u_stack))
+ goto fail;
+
+ return _bfd_no_cleanup; /* Done for version 1 */
+ }
/* Immediately before coreoffsets region is a long with offset in core
to first coresecthead (CORES_OFFSETS), the long before this is the
number of section heads in the list. Read both longs and read the
coresecthead and check its validity */
-
- if ((bfd_seek (abfd,
- coresize - coffset_siz - 2 * sizeof coffset_siz,
+
+ if ((bfd_seek (abfd,
+ (file_ptr) (coresize - coffset_siz - 2 * sizeof coffset_siz),
SEEK_SET) != 0)
- || (bfd_read ((void *)&nsecs, 1, sizeof nsecs, abfd) != sizeof nsecs)
- || (bfd_read ((void *)&cheadoffs, 1, sizeof cheadoffs, abfd)
- != sizeof cheadoffs)
- || (bfd_seek (abfd, cheadoffs, SEEK_SET) != 0)
- || (bfd_read ((void *)&chead, 1, sizeof chead, abfd) != sizeof chead)
+ || (bfd_bread ((void *) &nsecs, (bfd_size_type) sizeof nsecs, abfd)
+ != sizeof nsecs)
+ || (bfd_bread ((void *) &cheadoffs, (bfd_size_type) sizeof cheadoffs,
+ abfd) != sizeof cheadoffs)
+ || (bfd_seek (abfd, (file_ptr) cheadoffs, SEEK_SET) != 0)
+ || (bfd_bread ((void *) &chead, (bfd_size_type) sizeof chead, abfd)
+ != sizeof chead)
|| (chead.cs_stype != CORES_OFFSETS)
|| (chead.cs_x.csx_magic != COREMAGIC_NUMBER))
{
bfd_set_error (bfd_error_wrong_format);
- return NULL;
+ goto fail;
}
/* OK, we believe you. You're a core file (sure, sure). */
/* Now loop over all regions and map them */
nsecs--; /* We've seen CORES_OFFSETS already */
- for (; nsecs; nsecs--)
+ for (; nsecs; nsecs--)
{
- if ((bfd_seek (abfd, chead.cs_hseek, SEEK_SET) != 0)
- || bfd_read ((void *)&chead, 1, sizeof chead, abfd) != sizeof chead)
- {
- bfd_set_error (bfd_error_wrong_format);
- return NULL;
- }
-
- switch (chead.cs_stype)
+ if ((bfd_seek (abfd, (file_ptr) chead.cs_hseek, SEEK_SET) != 0)
+ || (bfd_bread ((void *) &chead, (bfd_size_type) sizeof chead, abfd)
+ != sizeof chead))
+ {
+ bfd_set_error (bfd_error_wrong_format);
+ goto fail;
+ }
+
+ switch (chead.cs_stype)
{
case CORES_MAGIC: /* Core header, check magic */
if (chead.cs_x.csx_magic != COREMAGIC_NUMBER)
{
bfd_set_error (bfd_error_wrong_format);
- return NULL;
+ goto fail;
}
secname = NULL;
nsecs++; /* MAGIC not in section cnt!*/
break;
case CORES_UAREA: /* U-area, read in tdata */
- u = read_uarea(abfd, chead.cs_sseek);
+ u = read_uarea (abfd, chead.cs_sseek);
if (! u)
- return NULL;
+ goto fail;
- /* This is tricky. As the "register section", we give them
+ /* This is tricky. As the "register section", we give them
the entire upage and stack. u.u_ar0 points to where
"register 0" is stored. There are two tricks with this,
though. One is that the rest of the registers might be
*u_ar0. The other is that u_ar0 is sometimes an absolute
address in kernel memory, and on other systems it is an
offset from the beginning of the `struct user'.
-
+
As a practical matter, we don't know where the registers
actually are, so we have to pass the whole area to GDB.
We encode the value of u_ar0 by setting the .regs section
pointed to by u_ar0 (by setting the vma of the start of
the section to -u_ar0). GDB uses this info to locate the
regs, using minor trickery to get around the
- offset-or-absolute-addr problem. */
+ offset-or-absolute-addr problem. */
chead.cs_vaddr = 0 - (bfd_vma) u->u_ar0;
+ secname = ".reg";
+ flags = SEC_HAS_CONTENTS;
- secname = ".reg";
- flags = SEC_HAS_CONTENTS;
-
- break;
+ break;
case CORES_PREGION: /* A program region, map it */
switch (chead.cs_x.csx_preg.csxp_rtyp)
{
case PT_DATA:
- secname = ".data"; /* Data region. */
+ secname = ".data"; /* Data region. */
break;
case PT_STACK:
- secname = ".stack"; /* Stack region. */
+ secname = ".stack"; /* Stack region. */
break;
case PT_SHMEM:
- secname = ".shmem"; /* Shared memory */
+ secname = ".shmem"; /* Shared memory */
break;
case PT_LIBDAT:
- secname = ".libdat"; /* Shared library data */
+ secname = ".libdat"; /* Shared library data */
break;
case PT_V86:
- secname = ".virt86"; /* Virtual 8086 mode */
+ secname = ".virt86"; /* Virtual 8086 mode */
break;
case PT_SHFIL:
- secname = ".mmfile"; /* Memory mapped file */
+ secname = ".mmfile"; /* Memory mapped file */
break;
case PT_XDATA0:
- secname = ".Xdat0"; /* XENIX data region, virtual 0 */
+ secname = ".Xdat0"; /* XENIX data region, virtual 0 */
break;
default:
secname = "";
case CORES_SCOUTSNAME: /* struct scoutsname */
secname = NULL; /* Ignore these */
break;
- default:
- (*_bfd_error_handler) ("Unhandled SCO core file section type %d\n",
- chead.cs_stype);
- continue;
- }
+ default:
+ _bfd_error_handler ("Unhandled SCO core file section type %d\n",
+ chead.cs_stype);
+ continue;
+ }
if (secname
&& !make_bfd_asection (abfd, secname, flags,
(bfd_size_type) chead.cs_vsize,
(bfd_vma) chead.cs_vaddr,
(file_ptr) chead.cs_sseek))
- return NULL;
+ goto fail;
}
- return abfd->xvec;
+ return _bfd_no_cleanup;
+ fail:
+ if (abfd->tdata.any)
+ {
+ bfd_release (abfd, abfd->tdata.any);
+ abfd->tdata.any = NULL;
+ }
+ bfd_section_list_clear (abfd);
+ return NULL;
}
char *
-sco5_core_file_failing_command (abfd)
- bfd *abfd;
+sco5_core_file_failing_command (bfd *abfd)
{
char *com = abfd->tdata.sco5_core_data->u.u_comm;
if (*com)
return NULL;
}
-/* ARGSUSED */
int
-sco5_core_file_failing_signal (ignore_abfd)
- bfd *ignore_abfd;
+sco5_core_file_failing_signal (bfd *ignore_abfd)
{
- return ((ignore_abfd->tdata.sco5_core_data->u.u_sysabort != 0)
- ? ignore_abfd->tdata.sco5_core_data->u.u_sysabort
+ return ((ignore_abfd->tdata.sco5_core_data->u.u_sysabort != 0)
+ ? ignore_abfd->tdata.sco5_core_data->u.u_sysabort
: -1);
}
-/* ARGSUSED */
-boolean
-sco5_core_file_matches_executable_p (core_bfd, exec_bfd)
- bfd *core_bfd, *exec_bfd;
-{
- return true; /* FIXME, We have no way of telling at this point */
-}
-
-#define sco5_core_get_symtab_upper_bound _bfd_nosymbols_get_symtab_upper_bound
-#define sco5_core_get_symtab _bfd_nosymbols_get_symtab
-#define sco5_core_print_symbol _bfd_nosymbols_print_symbol
-#define sco5_core_get_symbol_info _bfd_nosymbols_get_symbol_info
-#define sco5_core_bfd_is_local_label_name _bfd_nosymbols_bfd_is_local_label_name
-#define sco5_core_get_lineno _bfd_nosymbols_get_lineno
-#define sco5_core_find_nearest_line _bfd_nosymbols_find_nearest_line
-#define sco5_core_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol
-#define sco5_core_read_minisymbols _bfd_nosymbols_read_minisymbols
-#define sco5_core_minisymbol_to_symbol _bfd_nosymbols_minisymbol_to_symbol
-
/* If somebody calls any byte-swapping routines, shoot them. */
static void
-swap_abort()
+swap_abort (void)
{
- abort(); /* This way doesn't require any declaration for ANSI to fuck up */
+ abort (); /* This way doesn't require any declaration for ANSI to fuck up */
}
-#define NO_GET ((bfd_vma (*) PARAMS (( const bfd_byte *))) swap_abort )
-#define NO_PUT ((void (*) PARAMS ((bfd_vma, bfd_byte *))) swap_abort )
-#define NO_SIGNED_GET \
- ((bfd_signed_vma (*) PARAMS ((const bfd_byte *))) swap_abort )
-const bfd_target sco5_core_vec =
+#define NO_GET ((bfd_vma (*) (const void *)) swap_abort)
+#define NO_PUT ((void (*) (bfd_vma, void *)) swap_abort)
+#define NO_GETS ((bfd_signed_vma (*) (const void *)) swap_abort)
+#define NO_GET64 ((bfd_uint64_t (*) (const void *)) swap_abort)
+#define NO_PUT64 ((void (*) (bfd_uint64_t, void *)) swap_abort)
+#define NO_GETS64 ((bfd_int64_t (*) (const void *)) swap_abort)
+
+const bfd_target core_sco5_vec =
{
"sco5-core",
bfd_target_unknown_flavour,
- BFD_ENDIAN_LITTLE, /* target byte order */
- BFD_ENDIAN_LITTLE, /* target headers byte order */
- (HAS_RELOC | EXEC_P | /* object flags */
+ BFD_ENDIAN_LITTLE, /* target byte order */
+ BFD_ENDIAN_LITTLE, /* target headers byte order */
+ (HAS_RELOC | EXEC_P | /* object flags */
HAS_LINENO | HAS_DEBUG |
HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
(SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
- 0, /* symbol prefix */
- ' ', /* ar_pad_char */
- 16, /* ar_max_namelen */
- NO_GET, NO_SIGNED_GET, NO_PUT, /* 64 bit data */
- NO_GET, NO_SIGNED_GET, NO_PUT, /* 32 bit data */
- NO_GET, NO_SIGNED_GET, NO_PUT, /* 16 bit data */
- NO_GET, NO_SIGNED_GET, NO_PUT, /* 64 bit hdrs */
- NO_GET, NO_SIGNED_GET, NO_PUT, /* 32 bit hdrs */
- NO_GET, NO_SIGNED_GET, NO_PUT, /* 16 bit hdrs */
-
- { /* bfd_check_format */
- _bfd_dummy_target, /* unknown format */
- _bfd_dummy_target, /* object file */
- _bfd_dummy_target, /* archive */
- sco5_core_file_p /* a core file */
+ 0, /* symbol prefix */
+ ' ', /* ar_pad_char */
+ 16, /* ar_max_namelen */
+ 0, /* match priority. */
+ NO_GET64, NO_GETS64, NO_PUT64, /* 64 bit data */
+ NO_GET, NO_GETS, NO_PUT, /* 32 bit data */
+ NO_GET, NO_GETS, NO_PUT, /* 16 bit data */
+ NO_GET64, NO_GETS64, NO_PUT64, /* 64 bit hdrs */
+ NO_GET, NO_GETS, NO_PUT, /* 32 bit hdrs */
+ NO_GET, NO_GETS, NO_PUT, /* 16 bit hdrs */
+
+ { /* bfd_check_format */
+ _bfd_dummy_target, /* unknown format */
+ _bfd_dummy_target, /* object file */
+ _bfd_dummy_target, /* archive */
+ sco5_core_file_p /* a core file */
},
- { /* bfd_set_format */
- bfd_false, bfd_false,
- bfd_false, bfd_false
+ { /* bfd_set_format */
+ _bfd_bool_bfd_false_error,
+ _bfd_bool_bfd_false_error,
+ _bfd_bool_bfd_false_error,
+ _bfd_bool_bfd_false_error
},
- { /* bfd_write_contents */
- bfd_false, bfd_false,
- bfd_false, bfd_false
+ { /* bfd_write_contents */
+ _bfd_bool_bfd_false_error,
+ _bfd_bool_bfd_false_error,
+ _bfd_bool_bfd_false_error,
+ _bfd_bool_bfd_false_error
},
- BFD_JUMP_TABLE_GENERIC (_bfd_generic),
- BFD_JUMP_TABLE_COPY (_bfd_generic),
- BFD_JUMP_TABLE_CORE (sco5),
- BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive),
- BFD_JUMP_TABLE_SYMBOLS (sco5_core),
- BFD_JUMP_TABLE_RELOCS (_bfd_norelocs),
- BFD_JUMP_TABLE_WRITE (_bfd_generic),
- BFD_JUMP_TABLE_LINK (_bfd_nolink),
- BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
-
- (PTR) 0 /* backend_data */
-};
+ BFD_JUMP_TABLE_GENERIC (_bfd_generic),
+ BFD_JUMP_TABLE_COPY (_bfd_generic),
+ BFD_JUMP_TABLE_CORE (sco5),
+ BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive),
+ BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols),
+ BFD_JUMP_TABLE_RELOCS (_bfd_norelocs),
+ BFD_JUMP_TABLE_WRITE (_bfd_generic),
+ BFD_JUMP_TABLE_LINK (_bfd_nolink),
+ BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
+
+ NULL,
+
+ NULL /* backend_data */
+ };
projects / deliverable / binutils-gdb.git / blobdiff