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-rw-r--r--bfd/netbsd-core.c147
1 files changed, 93 insertions, 54 deletions
diff --git a/bfd/netbsd-core.c b/bfd/netbsd-core.c
index 96488ac..570c0f7 100644
--- a/bfd/netbsd-core.c
+++ b/bfd/netbsd-core.c
@@ -4,41 +4,46 @@
Free Software Foundation, Inc.
Written by Paul Kranenburg, EUR
-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 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.
+ 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., 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 "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))
- */
+/* The machine ID for OpenBSD/sparc64 and older versions of
+ NetBSD/sparc64 overlaps with M_MIPS1. */
+#define M_SPARC64_OPENBSD M_MIPS1
-struct netbsd_core_struct {
- struct core core;
+/* 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 */
+/* Forward declarations. */
static const bfd_target *netbsd_core_file_p
PARAMS ((bfd *abfd));
@@ -60,7 +65,7 @@ netbsd_core_file_p (abfd)
{
int i, val;
file_ptr offset;
- asection *asect, *asect2;
+ asection *asect;
struct core core;
struct coreseg coreseg;
bfd_size_type amt = sizeof core;
@@ -68,7 +73,7 @@ netbsd_core_file_p (abfd)
val = bfd_bread ((void *) &core, amt, abfd);
if (val != sizeof core)
{
- /* Too small to be a core file */
+ /* Too small to be a core file. */
bfd_set_error (bfd_error_wrong_format);
return 0;
}
@@ -139,27 +144,58 @@ netbsd_core_file_p (abfd)
asect->filepos = offset;
asect->alignment_power = 2;
- offset += coreseg.c_size;
-
-#ifdef CORE_FPU_OFFSET
- switch (CORE_GETFLAG (coreseg))
+ if (CORE_GETMID (core) == M_SPARC_NETBSD
+ && CORE_GETFLAG (coreseg) == CORE_CPU
+ && coreseg.c_size > CORE_WCOOKIE_OFFSET)
{
- case CORE_CPU:
- /* Hackish... */
- asect->_raw_size = CORE_FPU_OFFSET;
- asect2 = bfd_make_section_anyway (abfd, ".reg2");
- if (asect2 == NULL)
+ /* 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;
- 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;
+
+ asect->flags = SEC_ALLOC + SEC_HAS_CONTENTS;
+ asect->_raw_size = 4;
+ asect->vma = 0;
+ asect->filepos = offset + CORE_WCOOKIE_OFFSET;
+ asect->alignment_power = 2;
}
-#endif
+
+ offset += coreseg.c_size;
}
+ /* Set architecture from machine ID. */
+ switch (CORE_GETMID (core))
+ {
+ case M_X86_64_NETBSD:
+ bfd_default_set_arch_mach (abfd, bfd_arch_i386, bfd_mach_x86_64);
+ break;
+
+ case M_386_NETBSD:
+ bfd_default_set_arch_mach (abfd, bfd_arch_i386, bfd_mach_i386_i386);
+ break;
+
+ case M_POWERPC_NETBSD:
+ bfd_default_set_arch_mach (abfd, bfd_arch_powerpc, bfd_mach_ppc);
+ break;
+
+ case M_SPARC_NETBSD:
+ bfd_default_set_arch_mach (abfd, bfd_arch_sparc, bfd_mach_sparc);
+ break;
+
+ case M_SPARC64_NETBSD:
+ case M_SPARC64_OPENBSD:
+ bfd_default_set_arch_mach (abfd, bfd_arch_sparc, bfd_mach_sparc_v9);
+ break;
+
+ case M_VAX_NETBSD:
+ case M_VAX4K_NETBSD:
+ bfd_default_set_arch_mach (abfd, bfd_arch_vax, 0);
+ break;
+ }
+
/* OK, we believe you. You're a core file (sure, sure). */
return abfd->xvec;
@@ -191,14 +227,17 @@ 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 */
+ /* FIXME, We have no way of telling at this point. */
+ return TRUE;
}
/* 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 */
+ /* This way doesn't require any declaration for ANSI to fuck up. */
+ abort ();
}
#define NO_GET ((bfd_vma (*) (const void *)) swap_abort)
@@ -212,15 +251,15 @@ 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 */
+ 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 */
+ (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. */
@@ -228,17 +267,17 @@ const bfd_target netbsd_core_vec =
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_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_set_format. */
bfd_false, bfd_false,
bfd_false, bfd_false
},
- { /* bfd_write_contents */
+ { /* bfd_write_contents. */
bfd_false, bfd_false,
bfd_false, bfd_false
},
@@ -255,5 +294,5 @@ const bfd_target netbsd_core_vec =
NULL,
- (PTR) 0 /* backend_data */
+ (PTR) 0 /* Backend_data. */
};
generated by cgit v1.1 at 2024-07-17 06:24:23 +0000