--- /dev/null
+/* BFD back end for SCO5 core files (U-area and raw sections)
+ Copyright 1998 Free Software Foundation, Inc.
+ Written by Jouke Numan <jnuman@hiscom.nl>
+
+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 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. */
+
+#include "bfd.h"
+#include "sysdep.h"
+#include "libbfd.h"
+#include "libaout.h" /* BFD a.out internal data structures */
+
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/dir.h>
+#include <signal.h>
+
+#include <sys/user.h> /* After a.out.h */
+#include <sys/paccess.h>
+#include <sys/region.h>
+
+struct sco5_core_struct
+{
+ struct user u;
+};
+
+/* 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));
+
+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;
+{
+ asection *asect;
+
+ asect = bfd_make_section_anyway (abfd, name);
+ if (!asect)
+ return NULL;
+ asect->flags = flags;
+ asect->_raw_size = _raw_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;
+
+{
+ struct sco5_core_struct *rawptr;
+
+ rawptr = ((struct sco5_core_struct *)
+ bfd_zmalloc (sizeof (struct sco5_core_struct)));
+ 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))
+ {
+ bfd_set_error (bfd_error_wrong_format);
+ return NULL;
+ }
+
+ /* Sanity check perhaps??? */
+ if (rawptr->u.u_dsize > 0x1000000) /* Remember, it's in pages... */
+ {
+ bfd_set_error (bfd_error_wrong_format);
+ return NULL;
+ }
+ if (rawptr->u.u_ssize > 0x1000000)
+ {
+ bfd_set_error (bfd_error_wrong_format);
+ return NULL;
+ }
+ return &rawptr->u;
+}
+
+/* ARGSUSED */
+const bfd_target *
+sco5_core_file_p (abfd)
+ bfd *abfd;
+{
+ int coffset_siz, val, nsecs, cheadoffs;
+ int coresize;
+ struct user *u;
+ struct coreoffsets coffsets;
+ struct coresecthead chead;
+ char *secname;
+ flagword flags;
+
+ /* Read coreoffsets region at end of core (see core(FP)) */
+
+ {
+ FILE *stream = bfd_cache_lookup (abfd);
+ struct stat statbuf;
+ if (stream == NULL)
+ 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) )
+ {
+ 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)
+ != sizeof coffsets)
+ || ((coffsets.u_info != 1) && (coffsets.u_info != C_VERSION)))
+ {
+ bfd_set_error (bfd_error_wrong_format);
+ return NULL;
+ }
+
+
+ if (coffsets.u_info == 1)
+ {
+ /* Old version, no section heads, read info from user struct */
+
+ 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",
+ SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS,
+ ((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 */
+ }
+
+ /* 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,
+ 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)
+ || (chead.cs_stype != CORES_OFFSETS)
+ || (chead.cs_x.csx_magic != COREMAGIC_NUMBER))
+ {
+ bfd_set_error (bfd_error_wrong_format);
+ return NULL;
+ }
+
+ /* 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--)
+ {
+ 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)
+ {
+ case CORES_MAGIC: /* Core header, check magic */
+ if (chead.cs_x.csx_magic != COREMAGIC_NUMBER)
+ {
+ bfd_set_error (bfd_error_wrong_format);
+ return NULL;
+ }
+ secname = NULL;
+ nsecs++; /* MAGIC not in section cnt!*/
+ break;
+ case CORES_UAREA: /* U-area, read in tdata */
+ u = read_uarea(abfd, chead.cs_sseek);
+ if (! u)
+ return NULL;
+
+ /* 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
+ at positive or negative (or both) displacements from
+ *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
+ up so that its virtual memory address 0 is at the place
+ 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. */
+
+ chead.cs_vaddr = 0 - (bfd_vma) u->u_ar0;
+
+
+ secname = ".reg";
+ flags = SEC_HAS_CONTENTS;
+
+ break;
+ case CORES_PREGION: /* A program region, map it */
+ switch (chead.cs_x.csx_preg.csxp_rtyp)
+ {
+ case PT_DATA:
+ secname = ".data"; /* Data region. */
+ break;
+ case PT_STACK:
+ secname = ".stack"; /* Stack region. */
+ break;
+ case PT_SHMEM:
+ secname = ".shmem"; /* Shared memory */
+ break;
+ case PT_LIBDAT:
+ secname = ".libdat"; /* Shared library data */
+ break;
+ case PT_V86:
+ secname = ".virt86"; /* Virtual 8086 mode */
+ break;
+ case PT_SHFIL:
+ secname = ".mmfile"; /* Memory mapped file */
+ break;
+ case PT_XDATA0:
+ secname = ".Xdat0"; /* XENIX data region, virtual 0 */
+ break;
+ default:
+ secname = "";
+ }
+ flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS;
+ break;
+ case CORES_PROC: /* struct proc */
+ case CORES_ITIMER: /* interval timers */
+ 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;
+ }
+
+ 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;
+
+ }
+
+ return abfd->xvec;
+
+}
+
+char *
+sco5_core_file_failing_command (abfd)
+ bfd *abfd;
+{
+ char *com = abfd->tdata.sco5_core_data->u.u_comm;
+ if (*com)
+ return com;
+ else
+ return NULL;
+}
+
+/* ARGSUSED */
+int
+sco5_core_file_failing_signal (ignore_abfd)
+ bfd *ignore_abfd;
+{
+ 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()
+{
+ 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 =
+ {
+ "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 */
+ 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 */
+ },
+ { /* bfd_set_format */
+ bfd_false, bfd_false,
+ bfd_false, bfd_false
+ },
+ { /* bfd_write_contents */
+ bfd_false, bfd_false,
+ bfd_false, bfd_false
+ },
+
+ 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_target_os9k_flavour,
. bfd_target_versados_flavour,
. bfd_target_msdos_flavour,
+. bfd_target_ovax_flavour,
. bfd_target_evax_flavour
.};
.
extern const bfd_target b_out_vec_little_host;
extern const bfd_target bfd_elf64_alpha_vec;
extern const bfd_target bfd_elf32_bigarc_vec;
+extern const bfd_target bfd_elf32_bigarm_vec;
extern const bfd_target bfd_elf32_littlearc_vec;
+extern const bfd_target bfd_elf32_littlearm_vec;
extern const bfd_target bfd_elf32_big_generic_vec;
extern const bfd_target bfd_elf32_bigmips_vec;
extern const bfd_target bfd_elf64_bigmips_vec;
extern const bfd_target bfd_elf32_d10v_vec;
-/* start-sanitize-d30v */
extern const bfd_target bfd_elf32_d30v_vec;
-/* end-sanitize-d30v */
extern const bfd_target bfd_elf32_hppa_vec;
extern const bfd_target bfd_elf32_i386_vec;
extern const bfd_target bfd_elf32_i860_vec;
extern const bfd_target bfd_elf32_shl_vec;
extern const bfd_target bfd_elf32_sparc_vec;
extern const bfd_target bfd_elf32_v850_vec;
+extern const bfd_target bfd_elf32_fr30_vec;
extern const bfd_target bfd_elf64_big_generic_vec;
extern const bfd_target bfd_elf64_little_generic_vec;
extern const bfd_target bfd_elf64_sparc_vec;
extern const bfd_target ecoff_little_vec;
extern const bfd_target ecoff_biglittle_vec;
extern const bfd_target ecoffalpha_little_vec;
-extern const bfd_target evax_alpha_vec;
extern const bfd_target h8300coff_vec;
extern const bfd_target h8500coff_vec;
extern const bfd_target host_aout_vec;
/* end-sanitize-tic80 */
extern const bfd_target vaxnetbsd_vec;
extern const bfd_target versados_vec;
+extern const bfd_target vms_alpha_vec;
+extern const bfd_target vms_vax_vec;
extern const bfd_target we32kcoff_vec;
extern const bfd_target w65_vec;
extern const bfd_target z8kcoff_vec;
extern const bfd_target irix_core_vec;
extern const bfd_target netbsd_core_vec;
extern const bfd_target osf_core_vec;
-extern const bfd_target sco_core_vec;
+extern const bfd_target sco5_core_vec;
extern const bfd_target trad_core_vec;
extern const bfd_target ptrace_core_vec;
&bfd_elf64_alpha_vec,
#endif
&bfd_elf32_bigarc_vec,
+ &bfd_elf32_bigarm_vec,
&bfd_elf32_bigmips_vec,
#ifdef BFD64
&bfd_elf64_bigmips_vec,
#endif
&bfd_elf32_d10v_vec,
-/* start-sanitize-d30v */
&bfd_elf32_d30v_vec,
-/* end-sanitize-d30v */
&bfd_elf32_hppa_vec,
&bfd_elf32_i386_vec,
&bfd_elf32_i860_vec,
&bfd_elf32_little_generic_vec,
&bfd_elf32_littlearc_vec,
+ &bfd_elf32_littlearm_vec,
&bfd_elf32_littlemips_vec,
#ifdef BFD64
&bfd_elf64_littlemips_vec,
&bfd_elf32_powerpc_vec,
&bfd_elf32_powerpcle_vec,
&bfd_elf32_v850_vec,
+ &bfd_elf32_fr30_vec,
#ifdef BFD64 /* No one seems to use this. */
&bfd_elf64_big_generic_vec,
&bfd_elf64_little_generic_vec,
&ecoff_biglittle_vec,
#ifdef BFD64
&ecoffalpha_little_vec,
- &evax_alpha_vec,
#endif
&h8300coff_vec,
&h8500coff_vec,
/* end-sanitize-tic80 */
&vaxnetbsd_vec,
&versados_vec,
+#ifdef BFD64
+ &vms_alpha_vec,
+#endif
+ &vms_vax_vec,
&we32kcoff_vec,
&z8kcoff_vec,
#ifdef OSF_CORE
&osf_core_vec,
#endif
+#ifdef SCO5_CORE
+ &sco5_core_vec,
+#endif
#ifdef TRAD_CORE
&trad_core_vec,
#endif
projects / binutils-gdb.git / commitdiff