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-rw-r--r--x/binutils/bfd/netbsd-core.c282
1 files changed, 282 insertions, 0 deletions
diff --git a/x/binutils/bfd/netbsd-core.c b/x/binutils/bfd/netbsd-core.c
new file mode 100644
index 0000000..84f2ad7
--- /dev/null
+++ b/x/binutils/bfd/netbsd-core.c
@@ -0,0 +1,282 @@
+/* BFD back end for NetBSD style core files
+ Copyright 1988, 1989, 1991, 1992, 1993, 1996, 1998, 1999, 2000, 2001,
+ 2002, 2003, 2004
+ Free Software Foundation, Inc.
+ Written by Paul Kranenburg, EUR
+
+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 <sys/param.h>
+#include <sys/dir.h>
+#include <signal.h>
+#include <sys/core.h>
+
+/*
+ * FIXME: On NetBSD/sparc CORE_FPU_OFFSET should be (sizeof (struct trapframe))
+ */
+
+/* Offset of StackGhost cookie within `struct md_coredump' on
+ OpenBSD/sparc. */
+#define CORE_WCOOKIE_OFFSET 344
+
+struct netbsd_core_struct {
+ struct core core;
+} *rawptr;
+
+/* forward declarations */
+
+static const bfd_target *netbsd_core_file_p
+ PARAMS ((bfd *abfd));
+static char *netbsd_core_file_failing_command
+ PARAMS ((bfd *abfd));
+static int netbsd_core_file_failing_signal
+ PARAMS ((bfd *abfd));
+static bfd_boolean netbsd_core_file_matches_executable_p
+ PARAMS ((bfd *core_bfd, bfd *exec_bfd));
+static void swap_abort
+ PARAMS ((void));
+
+/* Handle NetBSD-style core dump file. */
+
+static const bfd_target *
+netbsd_core_file_p (abfd)
+ bfd *abfd;
+
+{
+ int i, val;
+ file_ptr offset;
+ asection *asect, *asect2;
+ struct core core;
+ struct coreseg coreseg;
+ bfd_size_type amt = sizeof core;
+
+ val = bfd_bread ((void *) &core, amt, abfd);
+ if (val != sizeof core)
+ {
+ /* Too small to be a core file */
+ bfd_set_error (bfd_error_wrong_format);
+ return 0;
+ }
+
+ if (CORE_GETMAGIC (core) != COREMAGIC)
+ {
+ bfd_set_error (bfd_error_wrong_format);
+ return 0;
+ }
+
+ amt = sizeof (struct netbsd_core_struct);
+ rawptr = (struct netbsd_core_struct *) bfd_zalloc (abfd, amt);
+ if (rawptr == NULL)
+ return 0;
+
+ rawptr->core = core;
+ abfd->tdata.netbsd_core_data = rawptr;
+
+ offset = core.c_hdrsize;
+ for (i = 0; i < core.c_nseg; i++)
+ {
+ const char *sname;
+ flagword flags;
+
+ if (bfd_seek (abfd, offset, SEEK_SET) != 0)
+ goto punt;
+
+ val = bfd_bread ((void *) &coreseg, (bfd_size_type) sizeof coreseg, abfd);
+ if (val != sizeof coreseg)
+ {
+ bfd_set_error (bfd_error_file_truncated);
+ goto punt;
+ }
+ if (CORE_GETMAGIC (coreseg) != CORESEGMAGIC)
+ {
+ bfd_set_error (bfd_error_wrong_format);
+ goto punt;
+ }
+
+ offset += core.c_seghdrsize;
+
+ switch (CORE_GETFLAG (coreseg))
+ {
+ case CORE_CPU:
+ sname = ".reg";
+ flags = SEC_ALLOC + SEC_HAS_CONTENTS;
+ break;
+ case CORE_DATA:
+ sname = ".data";
+ flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS;
+ break;
+ case CORE_STACK:
+ sname = ".stack";
+ flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS;
+ break;
+ default:
+ sname = ".unknown";
+ flags = SEC_ALLOC + SEC_HAS_CONTENTS;
+ break;
+ }
+ asect = bfd_make_section_anyway (abfd, sname);
+ if (asect == NULL)
+ goto punt;
+
+ asect->flags = flags;
+ asect->_raw_size = coreseg.c_size;
+ asect->vma = coreseg.c_addr;
+ asect->filepos = offset;
+ asect->alignment_power = 2;
+
+ if (CORE_GETMID (core) == M_SPARC_NETBSD
+ && CORE_GETFLAG (coreseg) == CORE_CPU
+ && coreseg.c_size > CORE_WCOOKIE_OFFSET)
+ {
+ /* Truncate the .reg section. */
+ asect->_raw_size = CORE_WCOOKIE_OFFSET;
+
+ /* And create the .wcookie section. */
+ asect = bfd_make_section_anyway (abfd, ".wcookie");
+ if (asect == NULL)
+ goto punt;
+
+ asect->flags = SEC_ALLOC + SEC_HAS_CONTENTS;
+ asect->_raw_size = 4;
+ asect->vma = 0;
+ asect->filepos = offset + CORE_WCOOKIE_OFFSET;
+ asect->alignment_power = 2;
+ }
+
+ offset += coreseg.c_size;
+
+#ifdef CORE_FPU_OFFSET
+ switch (CORE_GETFLAG (coreseg))
+ {
+ case CORE_CPU:
+ /* Hackish... */
+ asect->_raw_size = CORE_FPU_OFFSET;
+ asect2 = bfd_make_section_anyway (abfd, ".reg2");
+ if (asect2 == NULL)
+ goto punt;
+ asect2->_raw_size = coreseg.c_size - CORE_FPU_OFFSET;
+ asect2->vma = 0;
+ asect2->filepos = asect->filepos + CORE_FPU_OFFSET;
+ asect2->alignment_power = 2;
+ asect2->flags = SEC_ALLOC + SEC_HAS_CONTENTS;
+ break;
+ }
+#endif
+ }
+
+ /* OK, we believe you. You're a core file (sure, sure). */
+ return abfd->xvec;
+
+ punt:
+ bfd_release (abfd, abfd->tdata.any);
+ abfd->tdata.any = NULL;
+ bfd_section_list_clear (abfd);
+ return 0;
+}
+
+static char*
+netbsd_core_file_failing_command (abfd)
+ bfd *abfd;
+{
+ /*return core_command (abfd);*/
+ return abfd->tdata.netbsd_core_data->core.c_name;
+}
+
+static int
+netbsd_core_file_failing_signal (abfd)
+ bfd *abfd;
+{
+ /*return core_signal (abfd);*/
+ return abfd->tdata.netbsd_core_data->core.c_signo;
+}
+
+static bfd_boolean
+netbsd_core_file_matches_executable_p (core_bfd, exec_bfd)
+ bfd *core_bfd ATTRIBUTE_UNUSED;
+ bfd *exec_bfd ATTRIBUTE_UNUSED;
+{
+ return TRUE; /* FIXME, We have no way of telling at this point */
+}
+
+/* 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 (*) (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 netbsd_core_vec =
+ {
+ "netbsd-core",
+ bfd_target_unknown_flavour,
+ BFD_ENDIAN_UNKNOWN, /* target byte order */
+ BFD_ENDIAN_UNKNOWN, /* 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_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 */
+ netbsd_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 (netbsd),
+ 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,
+
+ (PTR) 0 /* backend_data */
+ };
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