-/* BFD backend for generic a.out flavour 1 */
+/* A.out "format 1" file handling code for BFD.
+ Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 2000
+ Free Software Foundation, Inc.
+ Written by Cygnus Support.
-/* Copyright (C) 1990, 1991 Free Software Foundation, Inc.
+This file is part of BFD, the Binary File Descriptor library.
-This file is part of BFD, the Binary File Diddler.
-
-BFD is free software; you can redistribute it and/or modify
+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 1, or (at your option)
-any later version.
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
-BFD is distributed in the hope that it will be useful,
+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 BFD; see the file COPYING. If not, write to
-the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
-#include <ansidecl.h>
-#include <sysdep.h>
-struct external_exec;
-#include <a.out.sun4.h>
#include "bfd.h"
-#include "libaout.h"
+#include "sysdep.h"
#include "libbfd.h"
+#include "aout/sun4.h"
+#include "libaout.h" /* BFD a.out internal data structures */
+
+#include "aout/aout64.h"
+#include "aout/stab_gnu.h"
+#include "aout/ar.h"
+
+/* This is needed to reject a NewsOS file, e.g. in
+ I needed to add M_UNKNOWN to recognize a 68000 object, so this will
+#ifndef MACHTYPE_OK
+#define MACHTYPE_OK(mtype) \
+ (((mtype) == M_SPARC && bfd_lookup_arch (bfd_arch_sparc, 0) != NULL) \
+ || (((mtype) == M_UNKNOWN || (mtype) == M_68010 || (mtype) == M_68020) \
+ && bfd_lookup_arch (bfd_arch_m68k, 0) != NULL))
+#endif
+
+/*
+The file @code{aoutf1.h} contains the code for BFD's
+a.out back end. Control over the generated back end is given by these
+two preprocessor names:
+@table @code
+@item ARCH_SIZE
+This value should be either 32 or 64, depending upon the size of an
+int in the target format. It changes the sizes of the structs which
+perform the memory/disk mapping of structures.
+
+The 64 bit backend may only be used if the host compiler supports 64
+ints (eg long long with gcc), by defining the name @code{BFD_HOST_64_BIT} in @code{bfd.h}.
+With this name defined, @emph{all} bfd operations are performed with 64bit
+arithmetic, not just those to a 64bit target.
+
+@item TARGETNAME
+The name put into the target vector.
+@item
+@end table
+
+*/
+/*SUPPRESS558*/
+/*SUPPRESS529*/
-#include "aout64.h"
-#include "stab.gnu.h"
-#include "ar.h"
+#if ARCH_SIZE == 64
+#define sunos_set_arch_mach sunos_64_set_arch_mach
+#define sunos_write_object_contents aout_64_sunos4_write_object_contents
+#else
+#define sunos_set_arch_mach sunos_32_set_arch_mach
+#define sunos_write_object_contents aout_32_sunos4_write_object_contents
+#endif
+
+static boolean sunos_merge_private_bfd_data PARAMS ((bfd *, bfd *));
+static void sunos_set_arch_mach PARAMS ((bfd *, int));
+static void choose_reloc_size PARAMS ((bfd *));
+static boolean sunos_write_object_contents PARAMS ((bfd *));
+static const bfd_target *sunos4_core_file_p PARAMS ((bfd *));
+static char *sunos4_core_file_failing_command PARAMS ((bfd *));
+static int sunos4_core_file_failing_signal PARAMS ((bfd *));
+static boolean sunos4_core_file_matches_executable_p PARAMS ((bfd *, bfd *));
+static boolean sunos4_set_sizes PARAMS ((bfd *));
+
+/* Merge backend data into the output file.
+ This is necessary on sparclet-aout where we want the resultant machine
+ number to be M_SPARCLET if any input file is M_SPARCLET. */
+
+#define MY_bfd_merge_private_bfd_data sunos_merge_private_bfd_data
+static boolean
+sunos_merge_private_bfd_data (ibfd, obfd)
+ bfd *ibfd, *obfd;
+{
+ if (bfd_get_flavour (ibfd) != bfd_target_aout_flavour
+ || bfd_get_flavour (obfd) != bfd_target_aout_flavour)
+ return true;
+
+ if (bfd_get_arch (obfd) == bfd_arch_sparc)
+ {
+ if (bfd_get_mach (obfd) < bfd_get_mach (ibfd))
+ bfd_set_arch_mach (obfd, bfd_arch_sparc, bfd_get_mach (ibfd));
+ }
+ return true;
+}
-void (*bfd_error_trap)();
+/* This is either sunos_32_set_arch_mach or sunos_64_set_arch_mach,
+ depending upon ARCH_SIZE. */
-static bfd_target *sunos4_callback ();
+static void
+sunos_set_arch_mach (abfd, machtype)
+ bfd *abfd;
+ int machtype;
+{
+ /* Determine the architecture and machine type of the object file. */
+ enum bfd_architecture arch;
+ long machine;
+ switch (machtype)
+ {
+
+ case M_UNKNOWN:
+ /* Some Sun3s make magic numbers without cpu types in them, so
+ we'll default to the 68000. */
+ arch = bfd_arch_m68k;
+ machine = bfd_mach_m68000;
+ break;
-/*SUPPRESS558*/
-/*SUPPRESS529*/
+ case M_68010:
+ case M_HP200:
+ arch = bfd_arch_m68k;
+ machine = bfd_mach_m68010;
+ break;
-bfd_target *
-DEFUN(NAME(sunos,object_p), (abfd),
- bfd *abfd)
-{
- unsigned char magicbuf[4]; /* Raw bytes of magic number from file */
- unsigned long magic; /* Swapped magic number */
+ case M_68020:
+ case M_HP300:
+ arch = bfd_arch_m68k;
+ machine = bfd_mach_m68020;
+ break;
- bfd_error = system_call_error;
+ case M_SPARC:
+ arch = bfd_arch_sparc;
+ machine = 0;
+ break;
- if (bfd_read ((PTR)magicbuf, 1 , 4, abfd) !=
- sizeof (magicbuf))
- return 0;
- magic = bfd_h_get_32 (abfd, magicbuf);
+ case M_SPARCLET:
+ arch = bfd_arch_sparc;
+ machine = bfd_mach_sparc_sparclet;
+ break;
+
+ case M_SPARCLITE_LE:
+ arch = bfd_arch_sparc;
+ machine = bfd_mach_sparc_sparclite_le;
+ break;
+
+ case M_386:
+ case M_386_DYNIX:
+ arch = bfd_arch_i386;
+ machine = 0;
+ break;
- if (N_BADMAG (*((struct internal_exec *) &magic))) return 0;
+ case M_29K:
+ arch = bfd_arch_a29k;
+ machine = 0;
+ break;
+
+ case M_HPUX:
+ arch = bfd_arch_m68k;
+ machine = 0;
+ break;
- return NAME(aout,some_aout_object_p) (abfd, sunos4_callback);
+ default:
+ arch = bfd_arch_obscure;
+ machine = 0;
+ break;
+ }
+ bfd_set_arch_mach (abfd, arch, machine);
}
- /* Determine the size of a relocation entry, based on the architecture */
+#define SET_ARCH_MACH(ABFD, EXEC) \
+ NAME(sunos,set_arch_mach) (ABFD, N_MACHTYPE (EXEC)); \
+ choose_reloc_size(ABFD);
+
+/* Determine the size of a relocation entry, based on the architecture */
static void
-DEFUN(choose_reloc_size,(abfd),
-bfd *abfd)
- {
- switch (abfd->obj_arch) {
+choose_reloc_size (abfd)
+ bfd *abfd;
+{
+ switch (bfd_get_arch (abfd))
+ {
case bfd_arch_sparc:
case bfd_arch_a29k:
obj_reloc_entry_size (abfd) = RELOC_EXT_SIZE;
obj_reloc_entry_size (abfd) = RELOC_STD_SIZE;
break;
}
- }
+}
-/* Set parameters about this a.out file that are machine-dependent.
- This routine is called from some_aout_object_p just before it returns. */
+/* Write an object file in SunOS format. Section contents have
+ already been written. We write the file header, symbols, and
+ relocation. The real name of this function is either
+ aout_64_sunos4_write_object_contents or
+ aout_32_sunos4_write_object_contents, depending upon ARCH_SIZE. */
-static bfd_target *
-sunos4_callback (abfd)
+static boolean
+sunos_write_object_contents (abfd)
bfd *abfd;
{
+ struct external_exec exec_bytes;
struct internal_exec *execp = exec_hdr (abfd);
- WORK_OUT_FILE_POSITIONS(abfd, execp);
-
- /* Determine the architecture and machine type of the object file. */
- switch (N_MACHTYPE (*exec_hdr (abfd))) {
-
- case M_UNKNOWN:
- abfd->obj_arch = bfd_arch_unknown;
- abfd->obj_machine = 0;
- break;
-
- case M_68010:
- abfd->obj_arch = bfd_arch_m68k;
- abfd->obj_machine = 68010;
- break;
-
- case M_68020:
- abfd->obj_arch = bfd_arch_m68k;
- abfd->obj_machine = 68020;
- break;
-
- case M_SPARC:
- abfd->obj_arch = bfd_arch_sparc;
- abfd->obj_machine = 0;
- break;
-
- case M_386:
- abfd->obj_arch = bfd_arch_i386;
- abfd->obj_machine = 0;
- break;
-
- case M_29K:
- abfd->obj_arch = bfd_arch_a29k;
- abfd->obj_machine = 0;
- break;
-
- default:
- abfd->obj_arch = bfd_arch_obscure;
- abfd->obj_machine = 0;
- break;
- }
-
- choose_reloc_size(abfd);
- return abfd->xvec;
-}
-
-
-/* Write an object file in SunOS format.
-Section contents have already been written. We write the
-file header, symbols, and relocation. */
-
-boolean
-DEFUN(NAME(aout,sunos4_write_object_contents),(abfd),
- bfd *abfd)
-
- {
- bfd_size_type data_pad = 0;
- struct external_exec exec_bytes;
- struct internal_exec *execp = exec_hdr (abfd);
-
-
-
- execp->a_text = obj_textsec (abfd)->size;
-
- /* Magic number, maestro, please! */
- switch (bfd_get_architecture(abfd)) {
+ /* Magic number, maestro, please! */
+ switch (bfd_get_arch (abfd))
+ {
case bfd_arch_m68k:
- switch (bfd_get_machine(abfd)) {
- case 68010:
- N_SET_MACHTYPE(*execp, M_68010);
- break;
- default:
- case 68020:
- N_SET_MACHTYPE(*execp, M_68020);
- break;
- }
+ switch (bfd_get_mach (abfd))
+ {
+ case bfd_mach_m68000:
+ N_SET_MACHTYPE (*execp, M_UNKNOWN);
+ break;
+ case bfd_mach_m68010:
+ N_SET_MACHTYPE (*execp, M_68010);
+ break;
+ default:
+ case bfd_mach_m68020:
+ N_SET_MACHTYPE (*execp, M_68020);
+ break;
+ }
break;
case bfd_arch_sparc:
- N_SET_MACHTYPE(*execp, M_SPARC);
+ switch (bfd_get_mach (abfd))
+ {
+ case bfd_mach_sparc_sparclet:
+ N_SET_MACHTYPE (*execp, M_SPARCLET);
+ break;
+ case bfd_mach_sparc_sparclite_le:
+ N_SET_MACHTYPE (*execp, M_SPARCLITE_LE);
+ break;
+ default:
+ N_SET_MACHTYPE (*execp, M_SPARC);
+ break;
+ }
break;
case bfd_arch_i386:
- N_SET_MACHTYPE(*execp, M_386);
+ N_SET_MACHTYPE (*execp, M_386);
break;
case bfd_arch_a29k:
- N_SET_MACHTYPE(*execp, M_29K);
+ N_SET_MACHTYPE (*execp, M_29K);
break;
default:
- N_SET_MACHTYPE(*execp, M_UNKNOWN);
+ N_SET_MACHTYPE (*execp, M_UNKNOWN);
}
-
- choose_reloc_size(abfd);
- /* FIXME */
- N_SET_FLAGS (*execp, 0x81);
-
- WRITE_HEADERS(abfd, execp);
+ choose_reloc_size (abfd);
+
+ N_SET_FLAGS (*execp, aout_backend_info (abfd)->exec_hdr_flags);
+
+ N_SET_DYNAMIC (*execp, bfd_get_file_flags (abfd) & DYNAMIC);
+
+ WRITE_HEADERS (abfd, execp);
return true;
}
#define CORE_NAMELEN 16
/* The core structure is taken from the Sun documentation.
-Unfortunately, they don't document the FPA structure, or at least I
-can't find it easily. Fortunately the core header contains its own
-length. So this shouldn't cause problems, except for c_ucode, which
-so far we don't use but is easy to find with a little arithmetic. */
+ Unfortunately, they don't document the FPA structure, or at least I
+ can't find it easily. Fortunately the core header contains its own
+ length. So this shouldn't cause problems, except for c_ucode, which
+ so far we don't use but is easy to find with a little arithmetic. */
/* But the reg structure can be gotten from the SPARC processor handbook.
-This really should be in a GNU include file though so that gdb can use
-the same info. */
-struct regs {
+ This really should be in a GNU include file though so that gdb can use
+ the same info. */
+struct regs
+{
int r_psr;
int r_pc;
int r_npc;
/* Taken from Sun documentation: */
/* FIXME: It's worse than we expect. This struct contains TWO substructs
-neither of whose size we know, WITH STUFF IN BETWEEN THEM! We can't
-even portably access the stuff in between! */
-
-struct core {
- int c_magic; /* Corefile magic number */
- int c_len; /* Sizeof (struct core) */
- struct regs c_regs; /* General purpose registers -- MACHDEP SIZE */
- struct internal_exec c_aouthdr; /* A.out header */
- int c_signo; /* Killing signal, if any */
- int c_tsize; /* Text size (bytes) */
- int c_dsize; /* Data size (bytes) */
- int c_ssize; /* Stack size (bytes) */
- char c_cmdname[CORE_NAMELEN + 1]; /* Command name */
- double fp_stuff[1]; /* external FPU state (size unknown by us) */
- /* The type "double" is critical here, for alignment.
+ neither of whose size we know, WITH STUFF IN BETWEEN THEM! We can't
+ even portably access the stuff in between! */
+
+struct external_sparc_core
+ {
+ int c_magic; /* Corefile magic number */
+ int c_len; /* Sizeof (struct core) */
+#define SPARC_CORE_LEN 432
+ int c_regs[19]; /* General purpose registers -- MACHDEP SIZE */
+ struct external_exec c_aouthdr; /* A.out header */
+ int c_signo; /* Killing signal, if any */
+ int c_tsize; /* Text size (bytes) */
+ int c_dsize; /* Data size (bytes) */
+ int c_ssize; /* Stack size (bytes) */
+ char c_cmdname[CORE_NAMELEN + 1]; /* Command name */
+ double fp_stuff[1]; /* external FPU state (size unknown by us) */
+ /* The type "double" is critical here, for alignment.
SunOS declares a struct here, but the struct's alignment
is double since it contains doubles. */
- int c_ucode; /* Exception no. from u_code */
- /* (this member is not accessible by name since we don't
+ int c_ucode; /* Exception no. from u_code */
+ /* (this member is not accessible by name since we don't
portably know the size of fp_stuff.) */
-};
+ };
-/* Supposedly the user stack grows downward from the bottom of kernel memory.
-Presuming that this remains true, this definition will work. */
-#define USRSTACK (-(128*1024*1024))
+/* Core files generated by the BCP (the part of Solaris which allows
+ it to run SunOS4 a.out files). */
+struct external_solaris_bcp_core
+ {
+ int c_magic; /* Corefile magic number */
+ int c_len; /* Sizeof (struct core) */
+#define SOLARIS_BCP_CORE_LEN 456
+ int c_regs[19]; /* General purpose registers -- MACHDEP SIZE */
+ int c_exdata_vp; /* exdata structure */
+ int c_exdata_tsize;
+ int c_exdata_dsize;
+ int c_exdata_bsize;
+ int c_exdata_lsize;
+ int c_exdata_nshlibs;
+ short c_exdata_mach;
+ short c_exdata_mag;
+ int c_exdata_toffset;
+ int c_exdata_doffset;
+ int c_exdata_loffset;
+ int c_exdata_txtorg;
+ int c_exdata_datorg;
+ int c_exdata_entloc;
+ int c_signo; /* Killing signal, if any */
+ int c_tsize; /* Text size (bytes) */
+ int c_dsize; /* Data size (bytes) */
+ int c_ssize; /* Stack size (bytes) */
+ char c_cmdname[CORE_NAMELEN + 1]; /* Command name */
+ double fp_stuff[1]; /* external FPU state (size unknown by us) */
+ /* The type "double" is critical here, for alignment.
+ SunOS declares a struct here, but the struct's alignment
+ is double since it contains doubles. */
+ int c_ucode; /* Exception no. from u_code */
+ /* (this member is not accessible by name since we don't
+ portably know the size of fp_stuff.) */
+ };
-PROTO (static void, swapcore, (bfd *abfd, struct core *core));
+struct external_sun3_core
+ {
+ int c_magic; /* Corefile magic number */
+ int c_len; /* Sizeof (struct core) */
+#define SUN3_CORE_LEN 826 /* As of SunOS 4.1.1 */
+ int c_regs[18]; /* General purpose registers -- MACHDEP SIZE */
+ struct external_exec c_aouthdr; /* A.out header */
+ int c_signo; /* Killing signal, if any */
+ int c_tsize; /* Text size (bytes) */
+ int c_dsize; /* Data size (bytes) */
+ int c_ssize; /* Stack size (bytes) */
+ char c_cmdname[CORE_NAMELEN + 1]; /* Command name */
+ double fp_stuff[1]; /* external FPU state (size unknown by us) */
+ /* The type "double" is critical here, for alignment.
+ SunOS declares a struct here, but the struct's alignment
+ is double since it contains doubles. */
+ int c_ucode; /* Exception no. from u_code */
+ /* (this member is not accessible by name since we don't
+ portably know the size of fp_stuff.) */
+ };
-/* need this cast b/c ptr is really void * */
-#define core_hdr(bfd) (((struct suncordata *) (bfd->tdata))->hdr)
-#define core_datasec(bfd) (((struct suncordata *) ((bfd)->tdata))->data_section)
-#define core_stacksec(bfd) (((struct suncordata*)((bfd)->tdata))->stack_section)
-#define core_regsec(bfd) (((struct suncordata *) ((bfd)->tdata))->reg_section)
-#define core_reg2sec(bfd) (((struct suncordata *) ((bfd)->tdata))->reg2_section)
+struct internal_sunos_core
+ {
+ int c_magic; /* Corefile magic number */
+ int c_len; /* Sizeof (struct core) */
+ long c_regs_pos; /* file offset of General purpose registers */
+ int c_regs_size; /* size of General purpose registers */
+ struct internal_exec c_aouthdr; /* A.out header */
+ int c_signo; /* Killing signal, if any */
+ int c_tsize; /* Text size (bytes) */
+ int c_dsize; /* Data size (bytes) */
+ bfd_vma c_data_addr; /* Data start (address) */
+ int c_ssize; /* Stack size (bytes) */
+ bfd_vma c_stacktop; /* Stack top (address) */
+ char c_cmdname[CORE_NAMELEN + 1]; /* Command name */
+ long fp_stuff_pos; /* file offset of external FPU state (regs) */
+ int fp_stuff_size; /* Size of it */
+ int c_ucode; /* Exception no. from u_code */
+ };
+
+static void swapcore_sun3
+ PARAMS ((bfd *, char *, struct internal_sunos_core *));
+static void swapcore_sparc
+ PARAMS ((bfd *, char *, struct internal_sunos_core *));
+static void swapcore_solaris_bcp
+ PARAMS ((bfd *, char *, struct internal_sunos_core *));
+
+/* byte-swap in the Sun-3 core structure */
+static void
+swapcore_sun3 (abfd, ext, intcore)
+ bfd *abfd;
+ char *ext;
+ struct internal_sunos_core *intcore;
+{
+ struct external_sun3_core *extcore = (struct external_sun3_core *) ext;
+
+ intcore->c_magic = bfd_h_get_32 (abfd, (unsigned char *) &extcore->c_magic);
+ intcore->c_len = bfd_h_get_32 (abfd, (unsigned char *) &extcore->c_len);
+ intcore->c_regs_pos = (long) (((struct external_sun3_core *) 0)->c_regs);
+ intcore->c_regs_size = sizeof (extcore->c_regs);
+#if ARCH_SIZE == 64
+ aout_64_swap_exec_header_in
+#else
+ aout_32_swap_exec_header_in
+#endif
+ (abfd, &extcore->c_aouthdr, &intcore->c_aouthdr);
+ intcore->c_signo = bfd_h_get_32 (abfd, (unsigned char *) &extcore->c_signo);
+ intcore->c_tsize = bfd_h_get_32 (abfd, (unsigned char *) &extcore->c_tsize);
+ intcore->c_dsize = bfd_h_get_32 (abfd, (unsigned char *) &extcore->c_dsize);
+ intcore->c_data_addr = N_DATADDR (intcore->c_aouthdr);
+ intcore->c_ssize = bfd_h_get_32 (abfd, (unsigned char *) &extcore->c_ssize);
+ memcpy (intcore->c_cmdname, extcore->c_cmdname, sizeof (intcore->c_cmdname));
+ intcore->fp_stuff_pos = (long) (((struct external_sun3_core *) 0)->fp_stuff);
+ /* FP stuff takes up whole rest of struct, except c_ucode. */
+ intcore->fp_stuff_size = intcore->c_len - (sizeof extcore->c_ucode) -
+ (file_ptr) (((struct external_sun3_core *) 0)->fp_stuff);
+ /* Ucode is the last thing in the struct -- just before the end */
+ intcore->c_ucode =
+ bfd_h_get_32 (abfd,
+ intcore->c_len - sizeof (extcore->c_ucode) + (unsigned char *) extcore);
+ intcore->c_stacktop = 0x0E000000; /* By experimentation */
+}
+
+/* byte-swap in the Sparc core structure */
+static void
+swapcore_sparc (abfd, ext, intcore)
+ bfd *abfd;
+ char *ext;
+ struct internal_sunos_core *intcore;
+{
+ struct external_sparc_core *extcore = (struct external_sparc_core *) ext;
+
+ intcore->c_magic = bfd_h_get_32 (abfd, (unsigned char *) &extcore->c_magic);
+ intcore->c_len = bfd_h_get_32 (abfd, (unsigned char *) &extcore->c_len);
+ intcore->c_regs_pos = (long) (((struct external_sparc_core *) 0)->c_regs);
+ intcore->c_regs_size = sizeof (extcore->c_regs);
+#if ARCH_SIZE == 64
+ aout_64_swap_exec_header_in
+#else
+ aout_32_swap_exec_header_in
+#endif
+ (abfd, &extcore->c_aouthdr, &intcore->c_aouthdr);
+ intcore->c_signo = bfd_h_get_32 (abfd, (unsigned char *) &extcore->c_signo);
+ intcore->c_tsize = bfd_h_get_32 (abfd, (unsigned char *) &extcore->c_tsize);
+ intcore->c_dsize = bfd_h_get_32 (abfd, (unsigned char *) &extcore->c_dsize);
+ intcore->c_data_addr = N_DATADDR (intcore->c_aouthdr);
+ intcore->c_ssize = bfd_h_get_32 (abfd, (unsigned char *) &extcore->c_ssize);
+ memcpy (intcore->c_cmdname, extcore->c_cmdname, sizeof (intcore->c_cmdname));
+ intcore->fp_stuff_pos = (long) (((struct external_sparc_core *) 0)->fp_stuff);
+ /* FP stuff takes up whole rest of struct, except c_ucode. */
+ intcore->fp_stuff_size = intcore->c_len - (sizeof extcore->c_ucode) -
+ (file_ptr) (((struct external_sparc_core *) 0)->fp_stuff);
+ /* Ucode is the last thing in the struct -- just before the end */
+ intcore->c_ucode =
+ bfd_h_get_32 (abfd,
+ intcore->c_len - sizeof (extcore->c_ucode) + (unsigned char *) extcore);
+
+ /* Supposedly the user stack grows downward from the bottom of kernel memory.
+ Presuming that this remains true, this definition will work. */
+ /* Now sun has provided us with another challenge. The value is different
+ for sparc2 and sparc10 (both running SunOS 4.1.3). We pick one or
+ the other based on the current value of the stack pointer. This
+ loses (a) if the stack pointer has been clobbered, or (b) if the stack
+ is larger than 128 megabytes.
+
+ It's times like these you're glad they're switching to ELF.
+
+ Note that using include files or nlist on /vmunix would be wrong,
+ because we want the value for this core file, no matter what kind of
+ machine we were compiled on or are running on. */
+#define SPARC_USRSTACK_SPARC2 ((bfd_vma)0xf8000000)
+#define SPARC_USRSTACK_SPARC10 ((bfd_vma)0xf0000000)
+ {
+ bfd_vma sp = bfd_h_get_32
+ (abfd, (unsigned char *) &((struct regs *) &extcore->c_regs[0])->r_o6);
+ if (sp < SPARC_USRSTACK_SPARC10)
+ intcore->c_stacktop = SPARC_USRSTACK_SPARC10;
+ else
+ intcore->c_stacktop = SPARC_USRSTACK_SPARC2;
+ }
+}
+
+/* byte-swap in the Solaris BCP core structure */
+static void
+swapcore_solaris_bcp (abfd, ext, intcore)
+ bfd *abfd;
+ char *ext;
+ struct internal_sunos_core *intcore;
+{
+ struct external_solaris_bcp_core *extcore =
+ (struct external_solaris_bcp_core *) ext;
+
+ intcore->c_magic = bfd_h_get_32 (abfd, (unsigned char *) &extcore->c_magic);
+ intcore->c_len = bfd_h_get_32 (abfd, (unsigned char *) &extcore->c_len);
+ intcore->c_regs_pos = (long) (((struct external_solaris_bcp_core *) 0)->c_regs);
+ intcore->c_regs_size = sizeof (extcore->c_regs);
+
+ /* The Solaris BCP exdata structure does not contain an a_syms field,
+ so we are unable to synthesize an internal exec header.
+ Luckily we are able to figure out the start address of the data section,
+ which is the only thing needed from the internal exec header,
+ from the exdata structure.
+
+ As of Solaris 2.3, BCP core files for statically linked executables
+ are buggy. The exdata structure is not properly filled in, and
+ the data section is written from address zero instead of the data
+ start address. */
+ memset ((PTR) &intcore->c_aouthdr, 0, sizeof (struct internal_exec));
+ intcore->c_data_addr =
+ bfd_h_get_32 (abfd, (unsigned char *) &extcore->c_exdata_datorg);
+ intcore->c_signo = bfd_h_get_32 (abfd, (unsigned char *) &extcore->c_signo);
+ intcore->c_tsize = bfd_h_get_32 (abfd, (unsigned char *) &extcore->c_tsize);
+ intcore->c_dsize = bfd_h_get_32 (abfd, (unsigned char *) &extcore->c_dsize);
+ intcore->c_ssize = bfd_h_get_32 (abfd, (unsigned char *) &extcore->c_ssize);
+ memcpy (intcore->c_cmdname, extcore->c_cmdname, sizeof (intcore->c_cmdname));
+ intcore->fp_stuff_pos =
+ (long) (((struct external_solaris_bcp_core *) 0)->fp_stuff);
+ /* FP stuff takes up whole rest of struct, except c_ucode. */
+ intcore->fp_stuff_size = intcore->c_len - (sizeof extcore->c_ucode) -
+ (file_ptr) (((struct external_solaris_bcp_core *) 0)->fp_stuff);
+ /* Ucode is the last thing in the struct -- just before the end */
+ intcore->c_ucode =
+ bfd_h_get_32 (abfd,
+ intcore->c_len - sizeof (extcore->c_ucode) + (unsigned char *) extcore);
+
+ /* Supposedly the user stack grows downward from the bottom of kernel memory.
+ Presuming that this remains true, this definition will work. */
+ /* Now sun has provided us with another challenge. The value is different
+ for sparc2 and sparc10 (both running SunOS 4.1.3). We pick one or
+ the other based on the current value of the stack pointer. This
+ loses (a) if the stack pointer has been clobbered, or (b) if the stack
+ is larger than 128 megabytes.
+
+ It's times like these you're glad they're switching to ELF.
+
+ Note that using include files or nlist on /vmunix would be wrong,
+ because we want the value for this core file, no matter what kind of
+ machine we were compiled on or are running on. */
+#define SPARC_USRSTACK_SPARC2 ((bfd_vma)0xf8000000)
+#define SPARC_USRSTACK_SPARC10 ((bfd_vma)0xf0000000)
+ {
+ bfd_vma sp = bfd_h_get_32
+ (abfd, (unsigned char *) &((struct regs *) &extcore->c_regs[0])->r_o6);
+ if (sp < SPARC_USRSTACK_SPARC10)
+ intcore->c_stacktop = SPARC_USRSTACK_SPARC10;
+ else
+ intcore->c_stacktop = SPARC_USRSTACK_SPARC2;
+ }
+}
+
+/* need this cast because ptr is really void * */
+#define core_hdr(bfd) ((bfd)->tdata.sun_core_data)
+#define core_datasec(bfd) (core_hdr(bfd)->data_section)
+#define core_stacksec(bfd) (core_hdr(bfd)->stack_section)
+#define core_regsec(bfd) (core_hdr(bfd)->reg_section)
+#define core_reg2sec(bfd) (core_hdr(bfd)->reg2_section)
/* These are stored in the bfd's tdata */
-struct suncordata {
-struct core *hdr; /* core file header */
-asection *data_section;
-asection *stack_section;
-asection *reg_section;
-asection *reg2_section;
+struct sun_core_struct
+{
+ struct internal_sunos_core *hdr; /* core file header */
+ asection *data_section;
+ asection *stack_section;
+ asection *reg_section;
+ asection *reg2_section;
};
-static bfd_target *
-DEFUN(sunos4_core_file_p,(abfd),
- bfd *abfd)
+static const bfd_target *
+sunos4_core_file_p (abfd)
+ bfd *abfd;
{
unsigned char longbuf[4]; /* Raw bytes of various header fields */
- int core_size;
- int core_mag;
- struct core *core;
- char *rawptr;
-
- bfd_error = system_call_error;
-
- if (bfd_read ((PTR)longbuf, 1, sizeof (longbuf), abfd) !=
+ bfd_size_type core_size;
+ unsigned long core_mag;
+ struct internal_sunos_core *core;
+ char *extcore;
+ struct mergem
+ {
+ struct sun_core_struct suncoredata;
+ struct internal_sunos_core internal_sunos_core;
+ char external_core[1];
+ }
+ *mergem;
+
+ if (bfd_read ((PTR) longbuf, 1, sizeof (longbuf), abfd) !=
sizeof (longbuf))
return 0;
core_mag = bfd_h_get_32 (abfd, longbuf);
- if (core_mag != CORE_MAGIC) return 0;
+ if (core_mag != CORE_MAGIC)
+ return 0;
/* SunOS core headers can vary in length; second word is size; */
- if (bfd_read ((PTR)longbuf, 1, sizeof (longbuf), abfd) !=
+ if (bfd_read ((PTR) longbuf, 1, sizeof (longbuf), abfd) !=
sizeof (longbuf))
return 0;
core_size = bfd_h_get_32 (abfd, longbuf);
if (core_size > 20000)
return 0;
- if (bfd_seek (abfd, 0L, false) < 0) return 0;
+ if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) < 0)
+ return 0;
- rawptr = bfd_zalloc (abfd, core_size + sizeof (struct suncordata));
- if (rawptr == NULL) {
- bfd_error = no_memory;
+ mergem = (struct mergem *) bfd_zalloc (abfd, core_size + sizeof (struct mergem));
+ if (mergem == NULL)
return 0;
- }
- core = (struct core *) (rawptr + sizeof (struct suncordata));
+ extcore = mergem->external_core;
- if ((bfd_read ((PTR) core, 1, core_size, abfd)) != core_size) {
- bfd_error = system_call_error;
- bfd_release (abfd, rawptr);
- return 0;
- }
+ if ((bfd_read ((PTR) extcore, 1, core_size, abfd)) != core_size)
+ {
+ bfd_release (abfd, (char *) mergem);
+ return 0;
+ }
+
+ /* Validate that it's a core file we know how to handle, due to sun
+ botching the positioning of registers and other fields in a machine
+ dependent way. */
+ core = &mergem->internal_sunos_core;
+ switch (core_size)
+ {
+ case SPARC_CORE_LEN:
+ swapcore_sparc (abfd, extcore, core);
+ break;
+ case SUN3_CORE_LEN:
+ swapcore_sun3 (abfd, extcore, core);
+ break;
+ case SOLARIS_BCP_CORE_LEN:
+ swapcore_solaris_bcp (abfd, extcore, core);
+ break;
+ default:
+ bfd_set_error (bfd_error_system_call); /* FIXME */
+ bfd_release (abfd, (char *) mergem);
+ return 0;
+ }
- swapcore (abfd, core);
- set_tdata (abfd, ((struct suncordata *) rawptr));
- core_hdr (abfd) = core;
+ abfd->tdata.sun_core_data = &mergem->suncoredata;
+ abfd->tdata.sun_core_data->hdr = core;
/* create the sections. This is raunchy, but bfd_close wants to reclaim
them */
core_stacksec (abfd) = (asection *) bfd_zalloc (abfd, sizeof (asection));
- if (core_stacksec (abfd) == NULL) {
- loser:
- bfd_error = no_memory;
- bfd_release (abfd, rawptr);
- return 0;
- }
+ if (core_stacksec (abfd) == NULL)
+ {
+ loser:
+ bfd_release (abfd, (char *) mergem);
+ return 0;
+ }
core_datasec (abfd) = (asection *) bfd_zalloc (abfd, sizeof (asection));
- if (core_datasec (abfd) == NULL) {
- loser1:
- bfd_release (abfd, core_stacksec (abfd));
- goto loser;
- }
+ if (core_datasec (abfd) == NULL)
+ {
+ loser1:
+ bfd_release (abfd, core_stacksec (abfd));
+ goto loser;
+ }
core_regsec (abfd) = (asection *) bfd_zalloc (abfd, sizeof (asection));
- if (core_regsec (abfd) == NULL) {
- loser2:
- bfd_release (abfd, core_datasec (abfd));
- goto loser1;
- }
+ if (core_regsec (abfd) == NULL)
+ {
+ loser2:
+ bfd_release (abfd, core_datasec (abfd));
+ goto loser1;
+ }
core_reg2sec (abfd) = (asection *) bfd_zalloc (abfd, sizeof (asection));
- if (core_reg2sec (abfd) == NULL) {
- bfd_release (abfd, core_regsec (abfd));
- goto loser2;
- }
+ if (core_reg2sec (abfd) == NULL)
+ {
+ bfd_release (abfd, core_regsec (abfd));
+ goto loser2;
+ }
core_stacksec (abfd)->name = ".stack";
core_datasec (abfd)->name = ".data";
core_regsec (abfd)->name = ".reg";
core_reg2sec (abfd)->name = ".reg2";
- core_stacksec (abfd)->flags = SEC_ALLOC + SEC_LOAD;
- core_datasec (abfd)->flags = SEC_ALLOC + SEC_LOAD;
- core_regsec (abfd)->flags = SEC_ALLOC;
- core_reg2sec (abfd)->flags = SEC_ALLOC;
+ core_stacksec (abfd)->flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS;
+ core_datasec (abfd)->flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS;
+ core_regsec (abfd)->flags = SEC_HAS_CONTENTS;
+ core_reg2sec (abfd)->flags = SEC_HAS_CONTENTS;
- core_stacksec (abfd)->size = core->c_ssize;
- core_datasec (abfd)->size = core->c_dsize;
- core_regsec (abfd)->size = (sizeof core->c_regs);
- /* Float regs take up end of struct, except c_ucode. */
- core_reg2sec (abfd)->size = core_size - (sizeof core->c_ucode) -
- (file_ptr)(((struct core *)0)->fp_stuff);
+ core_stacksec (abfd)->_raw_size = core->c_ssize;
+ core_datasec (abfd)->_raw_size = core->c_dsize;
+ core_regsec (abfd)->_raw_size = core->c_regs_size;
+ core_reg2sec (abfd)->_raw_size = core->fp_stuff_size;
- core_stacksec (abfd)->vma = (USRSTACK - core->c_ssize);
- core_datasec (abfd)->vma = N_DATADDR(core->c_aouthdr);
- core_regsec (abfd)->vma = -1;
- core_reg2sec (abfd)->vma = -1;
+ core_stacksec (abfd)->vma = (core->c_stacktop - core->c_ssize);
+ core_datasec (abfd)->vma = core->c_data_addr;
+ core_regsec (abfd)->vma = 0;
+ core_reg2sec (abfd)->vma = 0;
core_stacksec (abfd)->filepos = core->c_len + core->c_dsize;
core_datasec (abfd)->filepos = core->c_len;
- /* In file header: */
- core_regsec (abfd)->filepos = (file_ptr)(&((struct core *)0)->c_regs);
- core_reg2sec (abfd)->filepos = (file_ptr)(((struct core *)0)->fp_stuff);
+ /* We'll access the regs afresh in the core file, like any section: */
+ core_regsec (abfd)->filepos = (file_ptr) core->c_regs_pos;
+ core_reg2sec (abfd)->filepos = (file_ptr) core->fp_stuff_pos;
/* Align to word at least */
core_stacksec (abfd)->alignment_power = 2;
return abfd->xvec;
}
-static char *sunos4_core_file_failing_command (abfd)
-bfd *abfd;
- {
- return core_hdr (abfd)->c_cmdname;
+static char *
+sunos4_core_file_failing_command (abfd)
+ bfd *abfd;
+{
+ return core_hdr (abfd)->hdr->c_cmdname;
}
static int
-DEFUN(sunos4_core_file_failing_signal,(abfd),
- bfd *abfd)
+sunos4_core_file_failing_signal (abfd)
+ bfd *abfd;
{
- return core_hdr (abfd)->c_signo;
+ return core_hdr (abfd)->hdr->c_signo;
}
static boolean
-DEFUN(sunos4_core_file_matches_executable_p, (core_bfd, exec_bfd),
- bfd *core_bfd AND
- bfd *exec_bfd)
+sunos4_core_file_matches_executable_p (core_bfd, exec_bfd)
+ bfd *core_bfd;
+ bfd *exec_bfd;
{
- if (core_bfd->xvec != exec_bfd->xvec) {
- bfd_error = system_call_error;
- return false;
- }
+ if (core_bfd->xvec != exec_bfd->xvec)
+ {
+ bfd_set_error (bfd_error_system_call);
+ return false;
+ }
- return (bcmp ((char *)&core_hdr (core_bfd), (char*) &exec_hdr (exec_bfd),
- sizeof (struct internal_exec)) == 0) ? true : false;
+ /* Solaris core files do not include an aouthdr. */
+ if ((core_hdr (core_bfd)->hdr)->c_len == SOLARIS_BCP_CORE_LEN)
+ return true;
+
+ return (memcmp ((char *) &((core_hdr (core_bfd)->hdr)->c_aouthdr),
+ (char *) exec_hdr (exec_bfd),
+ sizeof (struct internal_exec)) == 0) ? true : false;
}
-/* byte-swap core structure */
-/* FIXME, this needs more work to swap IN a core struct from raw bytes */
-static void
-DEFUN(swapcore,(abfd, core),
- bfd *abfd AND
- struct core *core)
+#define MY_set_sizes sunos4_set_sizes
+static boolean
+sunos4_set_sizes (abfd)
+ bfd *abfd;
{
- struct external_exec exec_bytes;
-
- core->c_magic = bfd_h_get_32 (abfd, (unsigned char *)&core->c_magic);
- core->c_len = bfd_h_get_32 (abfd, (unsigned char *)&core->c_len );
- /* Leave integer registers in target byte order. */
- bcopy ((char *)&(core->c_aouthdr), (char *)&exec_bytes, EXEC_BYTES_SIZE);
- NAME(aout,swap_exec_header_in)(abfd, &exec_bytes, &core->c_aouthdr);
- core->c_signo = bfd_h_get_32 (abfd, (unsigned char *)&core->c_signo);
- core->c_tsize = bfd_h_get_32 (abfd, (unsigned char *)&core->c_tsize);
- core->c_dsize = bfd_h_get_32 (abfd, (unsigned char *)&core->c_dsize);
- core->c_ssize = bfd_h_get_32 (abfd, (unsigned char *)&core->c_ssize);
- /* Leave FP registers in target byte order. */
- /* Leave "c_ucode" unswapped for now, since we can't find it easily. */
+ switch (bfd_get_arch (abfd))
+ {
+ default:
+ return false;
+ case bfd_arch_sparc:
+ adata (abfd).page_size = 0x2000;
+ adata (abfd).segment_size = 0x2000;
+ adata (abfd).exec_bytes_size = EXEC_BYTES_SIZE;
+ return true;
+ case bfd_arch_m68k:
+ adata (abfd).page_size = 0x2000;
+ adata (abfd).segment_size = 0x20000;
+ adata (abfd).exec_bytes_size = EXEC_BYTES_SIZE;
+ return true;
+ }
}
-\f
-/* We use BFD generic archive files. */
-#define aout_32_openr_next_archived_file bfd_generic_openr_next_archived_file
-#define aout_32_generic_stat_arch_elt bfd_generic_stat_arch_elt
-#define aout_32_slurp_armap bfd_slurp_bsd_armap
-#define aout_32_slurp_extended_name_table bfd_true
-#define aout_32_write_armap bsd_write_armap
-#define aout_32_truncate_arname bfd_bsd_truncate_arname
-#define aout_32_machine_type sunos_machine_type
-
-#define aout_32_core_file_failing_command sunos4_core_file_failing_command
-#define aout_32_core_file_failing_signal sunos4_core_file_failing_signal
-#define aout_32_core_file_matches_executable_p sunos4_core_file_matches_executable_p
-
-
-#define aout_64_openr_next_archived_file bfd_generic_openr_next_archived_file
-#define aout_64_generic_stat_arch_elt bfd_generic_stat_arch_elt
-#define aout_64_slurp_armap bfd_slurp_bsd_armap
-#define aout_64_slurp_extended_name_table bfd_true
-#define aout_64_write_armap bsd_write_armap
-#define aout_64_truncate_arname bfd_bsd_truncate_arname
-#define aout_64_machine_type sunos_machine_type
-
-#define aout_64_core_file_failing_command sunos4_core_file_failing_command
-#define aout_64_core_file_failing_signal sunos4_core_file_failing_signal
-#define aout_64_core_file_matches_executable_p sunos4_core_file_matches_executable_p
-
-/* We implement these routines ourselves, rather than using the generic
-a.out versions. */
-#define aout_write_object_contents sunos4_write_object_contents
-
-bfd_target VECNAME =
- {
-TARGETNAME,
- bfd_target_aout_flavour_enum,
- true, /* target byte order */
- true, /* target headers byte order */
- (HAS_RELOC | EXEC_P | /* object flags */
- HAS_LINENO | HAS_DEBUG |
- HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT | D_PAGED),
- (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
- ' ', /* ar_pad_char */
- 16, /* ar_max_namelen */
- _do_getb64, _do_putb64, _do_getb32, _do_putb32, _do_getb16, _do_putb16, /* data */
- _do_getb64, _do_putb64, _do_getb32, _do_putb32, _do_getb16, _do_putb16, /* hdrs */
-
- {_bfd_dummy_target, NAME(sunos,object_p),
- bfd_generic_archive_p, sunos4_core_file_p},
- {bfd_false, NAME(aout,mkobject),
- _bfd_generic_mkarchive, bfd_false},
- {bfd_false, NAME(aout,sunos4_write_object_contents), /* bfd_write_contents */
- _bfd_write_archive_contents, bfd_false},
-
- JUMP_TABLE(JNAME(aout))
+
+/* We default to setting the toolversion field to 1, as is required by
+ SunOS. */
+#ifndef MY_exec_hdr_flags
+#define MY_exec_hdr_flags 1
+#endif
+
+#ifndef MY_entry_is_text_address
+#define MY_entry_is_text_address 0
+#endif
+#ifndef MY_add_dynamic_symbols
+#define MY_add_dynamic_symbols 0
+#endif
+#ifndef MY_add_one_symbol
+#define MY_add_one_symbol 0
+#endif
+#ifndef MY_link_dynamic_object
+#define MY_link_dynamic_object 0
+#endif
+#ifndef MY_write_dynamic_symbol
+#define MY_write_dynamic_symbol 0
+#endif
+#ifndef MY_check_dynamic_reloc
+#define MY_check_dynamic_reloc 0
+#endif
+#ifndef MY_finish_dynamic_link
+#define MY_finish_dynamic_link 0
+#endif
+
+static CONST struct aout_backend_data sunos4_aout_backend =
+{
+ 0, /* zmagic files are not contiguous */
+ 1, /* text includes header */
+ MY_entry_is_text_address,
+ MY_exec_hdr_flags,
+ 0, /* default text vma */
+ sunos4_set_sizes,
+ 0, /* header is counted in zmagic text */
+ MY_add_dynamic_symbols,
+ MY_add_one_symbol,
+ MY_link_dynamic_object,
+ MY_write_dynamic_symbol,
+ MY_check_dynamic_reloc,
+ MY_finish_dynamic_link
};
+\f
+#define MY_core_file_failing_command sunos4_core_file_failing_command
+#define MY_core_file_failing_signal sunos4_core_file_failing_signal
+#define MY_core_file_matches_executable_p sunos4_core_file_matches_executable_p
+
+#define MY_bfd_debug_info_start bfd_void
+#define MY_bfd_debug_info_end bfd_void
+#define MY_bfd_debug_info_accumulate \
+ (void (*) PARAMS ((bfd *, struct sec *))) bfd_void
+#define MY_core_file_p sunos4_core_file_p
+#define MY_write_object_contents NAME(aout,sunos4_write_object_contents)
+#define MY_backend_data &sunos4_aout_backend
+
+#ifndef TARGET_IS_LITTLE_ENDIAN_P
+#define TARGET_IS_BIG_ENDIAN_P
+#endif
+
+#include "aout-target.h"
projects / binutils.git / blobdiff