summaryrefslogtreecommitdiff
path: root/gnu/usr.bin/binutils/bfd/netbsd-core.c
diff options
context:
space:
mode:
Diffstat (limited to 'gnu/usr.bin/binutils/bfd/netbsd-core.c')
-rw-r--r--gnu/usr.bin/binutils/bfd/netbsd-core.c82
1 files changed, 61 insertions, 21 deletions
diff --git a/gnu/usr.bin/binutils/bfd/netbsd-core.c b/gnu/usr.bin/binutils/bfd/netbsd-core.c
index a9f1260271c..c4548ff2b63 100644
--- a/gnu/usr.bin/binutils/bfd/netbsd-core.c
+++ b/gnu/usr.bin/binutils/bfd/netbsd-core.c
@@ -30,9 +30,13 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#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
+
+/* Offset of StackGhost cookie within `struct md_coredump' on
+ OpenBSD/sparc. */
+#define CORE_WCOOKIE_OFFSET 344
struct netbsd_core_struct {
struct core core;
@@ -61,7 +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;
@@ -140,25 +144,61 @@ netbsd_core_file_p (abfd)
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
+ /* 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_68K_NETBSD:
+ case M_68K4K_NETBSD:
+ bfd_default_set_arch_mach (abfd, bfd_arch_m68k, 0);
+ 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). */