/* A.out "format 1" file handling code for BFD.
- Copyright 1990, 1991, 1992, 1993 Free Software Foundation, Inc.
+ Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 2000,
+ 2001, 2002, 2003, 2004, 2005, 2006
+ Free Software Foundation, Inc.
Written by Cygnus Support.
-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., 675 Mass Ave, Cambridge, MA 02139, 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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
#include "bfd.h"
#include "sysdep.h"
#include "libbfd.h"
#include "aout/sun4.h"
-#include "libaout.h" /* BFD a.out internal data structures */
+#include "libaout.h" /* BFD a.out internal data structures. */
#include "aout/aout64.h"
#include "aout/stab_gnu.h"
/* This is needed to reject a NewsOS file, e.g. in
gdb/testsuite/gdb.t10/crossload.exp. <kingdon@cygnus.com>
I needed to add M_UNKNOWN to recognize a 68000 object, so this will
- probably no longer reject a NewsOS object. <ian@cygnus.com>. */
-#define MACHTYPE_OK(mtype) ((mtype) == M_UNKNOWN \
- || (mtype) == M_68010 \
- || (mtype) == M_68020 \
- || (mtype) == M_SPARC)
-
-/*
-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*/
+ probably no longer reject a NewsOS object. <ian@cygnus.com>. */
+#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. */
-static void
#if ARCH_SIZE == 64
-sunos_64_set_arch_mach
+#define sunos_set_arch_mach sunos_64_set_arch_mach
+#define sunos_write_object_contents aout_64_sunos4_write_object_contents
#else
-sunos_32_set_arch_mach
+#define sunos_set_arch_mach sunos_32_set_arch_mach
+#define sunos_write_object_contents aout_32_sunos4_write_object_contents
#endif
- (abfd, machtype)
- bfd *abfd;
- int machtype;
+
+/* 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 bfd_boolean
+sunos_merge_private_bfd_data (bfd *ibfd, bfd *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;
+}
+
+/* This is either sunos_32_set_arch_mach or sunos_64_set_arch_mach,
+ depending upon ARCH_SIZE. */
+
+static void
+sunos_set_arch_mach (bfd *abfd, enum machine_type machtype)
{
/* Determine the architecture and machine type of the object file. */
enum bfd_architecture arch;
- long machine;
+ unsigned long machine;
+
switch (machtype)
{
-
case M_UNKNOWN:
/* Some Sun3s make magic numbers without cpu types in them, so
- we'll default to the 68000. */
+ we'll default to the 68000. */
arch = bfd_arch_m68k;
- machine = 68000;
+ machine = bfd_mach_m68000;
break;
case M_68010:
case M_HP200:
arch = bfd_arch_m68k;
- machine = 68010;
+ machine = bfd_mach_m68010;
break;
case M_68020:
case M_HP300:
arch = bfd_arch_m68k;
- machine = 68020;
+ machine = bfd_mach_m68020;
break;
case M_SPARC:
machine = 0;
break;
+ 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;
- case M_29K:
- arch = bfd_arch_a29k;
- machine = 0;
- break;
-
case M_HPUX:
arch = bfd_arch_m68k;
machine = 0;
}
#define SET_ARCH_MACH(ABFD, EXEC) \
- NAME(sunos,set_arch_mach)(ABFD, N_MACHTYPE (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 */
+/* Determine the size of a relocation entry, based on the architecture. */
+
static void
-choose_reloc_size (abfd)
- bfd *abfd;
+choose_reloc_size (bfd *abfd)
{
switch (bfd_get_arch (abfd))
{
case bfd_arch_sparc:
- case bfd_arch_a29k:
obj_reloc_entry_size (abfd) = RELOC_EXT_SIZE;
break;
default:
}
}
-/* Write an object file in SunOS format.
- Section contents have already been written. We write the
- file header, symbols, and relocation. */
+/* 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 boolean
-#if ARCH_SIZE == 64
-aout_64_sunos4_write_object_contents
-#else
-aout_32_sunos4_write_object_contents
-#endif
- (abfd)
- bfd *abfd;
+static bfd_boolean
+sunos_write_object_contents (bfd *abfd)
{
struct external_exec exec_bytes;
struct internal_exec *execp = exec_hdr (abfd);
case bfd_arch_m68k:
switch (bfd_get_mach (abfd))
{
- case 68000:
+ case bfd_mach_m68000:
N_SET_MACHTYPE (*execp, M_UNKNOWN);
break;
- case 68010:
+ case bfd_mach_m68010:
N_SET_MACHTYPE (*execp, M_68010);
break;
default:
- case 68020:
+ 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);
break;
- case bfd_arch_a29k:
- N_SET_MACHTYPE (*execp, M_29K);
- break;
default:
N_SET_MACHTYPE (*execp, M_UNKNOWN);
}
N_SET_FLAGS (*execp, aout_backend_info (abfd)->exec_hdr_flags);
- N_SET_DYNAMIC (*execp, bfd_get_file_flags (abfd) & DYNAMIC);
+ N_SET_DYNAMIC (*execp, (long)(bfd_get_file_flags (abfd) & DYNAMIC));
WRITE_HEADERS (abfd, execp);
- return true;
+ return TRUE;
}
\f
-/* core files */
+/* Core files. */
-#define CORE_MAGIC 0x080456
+#define CORE_MAGIC 0x080456
#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. */
+ 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. */
+ the same info. */
struct regs
{
int r_psr;
even portably access the stuff in between! */
struct external_sparc_core
- {
- int c_magic; /* Corefile magic number */
- int c_len; /* Sizeof (struct 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
- portably know the size of fp_stuff.) */
- };
+ struct regs c_regs; /* 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. */
+};
+
+/* 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
+ struct regs c_regs; /* 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. */
+};
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.) */
- };
+{
+ 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. */
+};
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) */
- 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 */
- };
-
-/* byte-swap in the Sun-3 core structure */
+{
+ 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. */
+};
+
+/* Byte-swap in the Sun-3 core structure. */
+
static void
-swapcore_sun3 (abfd, ext, intcore)
- bfd *abfd;
- char *ext;
- struct internal_sunos_core *intcore;
+swapcore_sun3 (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_magic = H_GET_32 (abfd, &extcore->c_magic);
+ intcore->c_len = H_GET_32 (abfd, &extcore->c_len);
+ intcore->c_regs_pos = offsetof (struct external_sun3_core, c_regs);
intcore->c_regs_size = sizeof (extcore->c_regs);
#if ARCH_SIZE == 64
aout_64_swap_exec_header_in
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_ssize = bfd_h_get_32 (abfd, (unsigned char *) &extcore->c_ssize);
+ intcore->c_signo = H_GET_32 (abfd, &extcore->c_signo);
+ intcore->c_tsize = H_GET_32 (abfd, &extcore->c_tsize);
+ intcore->c_dsize = H_GET_32 (abfd, &extcore->c_dsize);
+ intcore->c_data_addr = N_DATADDR (intcore->c_aouthdr);
+ intcore->c_ssize = H_GET_32 (abfd, &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_pos = offsetof (struct external_sun3_core, 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 */
+ offsetof (struct external_sun3_core, fp_stuff);
+ /* Ucode is the last thing in the struct -- just before the end. */
+ intcore->c_ucode = 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. */
-/* byte-swap in the Sparc core structure */
static void
-swapcore_sparc (abfd, ext, intcore)
- bfd *abfd;
- char *ext;
- struct internal_sunos_core *intcore;
+swapcore_sparc (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_magic = H_GET_32 (abfd, &extcore->c_magic);
+ intcore->c_len = H_GET_32 (abfd, &extcore->c_len);
+ intcore->c_regs_pos = offsetof (struct external_sparc_core, c_regs);
intcore->c_regs_size = sizeof (extcore->c_regs);
#if ARCH_SIZE == 64
aout_64_swap_exec_header_in
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_ssize = bfd_h_get_32 (abfd, (unsigned char *) &extcore->c_ssize);
+ intcore->c_signo = H_GET_32 (abfd, &extcore->c_signo);
+ intcore->c_tsize = H_GET_32 (abfd, &extcore->c_tsize);
+ intcore->c_dsize = H_GET_32 (abfd, &extcore->c_dsize);
+ intcore->c_data_addr = N_DATADDR (intcore->c_aouthdr);
+ intcore->c_ssize = H_GET_32 (abfd, &extcore->c_ssize);
+ memcpy (intcore->c_cmdname, extcore->c_cmdname, sizeof (intcore->c_cmdname));
+ intcore->fp_stuff_pos = offsetof (struct external_sparc_core, fp_stuff);
+ /* FP stuff takes up whole rest of struct, except c_ucode. */
+ intcore->fp_stuff_size = intcore->c_len - (sizeof extcore->c_ucode) -
+ offsetof (struct external_sparc_core, fp_stuff);
+ /* Ucode is the last thing in the struct -- just before the end. */
+ intcore->c_ucode = 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 = H_GET_32 (abfd, &extcore->c_regs.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 (bfd *abfd, char *ext, struct internal_sunos_core *intcore)
+{
+ struct external_solaris_bcp_core *extcore =
+ (struct external_solaris_bcp_core *) ext;
+
+ intcore->c_magic = H_GET_32 (abfd, &extcore->c_magic);
+ intcore->c_len = H_GET_32 (abfd, &extcore->c_len);
+ intcore->c_regs_pos = offsetof (struct external_solaris_bcp_core, 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 ((void *) &intcore->c_aouthdr, 0, sizeof (struct internal_exec));
+ intcore->c_data_addr = H_GET_32 (abfd, &extcore->c_exdata_datorg);
+ intcore->c_signo = H_GET_32 (abfd, &extcore->c_signo);
+ intcore->c_tsize = H_GET_32 (abfd, &extcore->c_tsize);
+ intcore->c_dsize = H_GET_32 (abfd, &extcore->c_dsize);
+ intcore->c_ssize = H_GET_32 (abfd, &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_pos =
+ offsetof (struct external_solaris_bcp_core, 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);
+ offsetof (struct external_solaris_bcp_core, 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_ucode = 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. */
#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);
+ bfd_vma sp = H_GET_32 (abfd, &extcore->c_regs.r_o6);
if (sp < SPARC_USRSTACK_SPARC10)
intcore->c_stacktop = SPARC_USRSTACK_SPARC10;
else
}
}
-/* 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)
+/* 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 */
+/* These are stored in the bfd's tdata. */
struct sun_core_struct
{
- struct internal_sunos_core *hdr; /* core file header */
+ struct internal_sunos_core *hdr; /* Core file header. */
asection *data_section;
asection *stack_section;
asection *reg_section;
asection *reg2_section;
};
-static bfd_target *
-sunos4_core_file_p (abfd)
- bfd *abfd;
+static const bfd_target *
+sunos4_core_file_p (bfd *abfd)
{
- unsigned char longbuf[4]; /* Raw bytes of various header fields */
- int core_size;
- int core_mag;
+ unsigned char longbuf[4]; /* Raw bytes of various header fields. */
+ bfd_size_type core_size, amt;
+ 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;
+ } *mergem;
+ flagword flags;
- if (bfd_read ((PTR) longbuf, 1, sizeof (longbuf), abfd) !=
- sizeof (longbuf))
- return 0;
- core_mag = bfd_h_get_32 (abfd, longbuf);
+ if (bfd_bread ((void *) longbuf, (bfd_size_type) sizeof (longbuf), abfd)
+ != sizeof (longbuf))
+ return NULL;
+ core_mag = H_GET_32 (abfd, longbuf);
if (core_mag != CORE_MAGIC)
- return 0;
+ return NULL;
/* SunOS core headers can vary in length; second word is size; */
- if (bfd_read ((PTR) longbuf, 1, sizeof (longbuf), abfd) !=
- sizeof (longbuf))
- return 0;
- core_size = bfd_h_get_32 (abfd, longbuf);
- /* Sanity check */
+ if (bfd_bread ((void *) longbuf, (bfd_size_type) sizeof (longbuf), abfd)
+ != sizeof (longbuf))
+ return NULL;
+ core_size = H_GET_32 (abfd, longbuf);
+ /* Sanity check. */
if (core_size > 20000)
- return 0;
+ return NULL;
- if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) < 0)
- return 0;
+ if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
+ return NULL;
- mergem = (struct mergem *) bfd_zalloc (abfd, core_size + sizeof (struct mergem));
+ amt = core_size + sizeof (struct mergem);
+ mergem = bfd_zalloc (abfd, amt);
if (mergem == NULL)
- {
- bfd_set_error (bfd_error_no_memory);
- return 0;
- }
+ return NULL;
extcore = mergem->external_core;
- if ((bfd_read ((PTR) extcore, 1, core_size, abfd)) != core_size)
+ if ((bfd_bread ((void *) extcore, core_size, abfd)) != core_size)
{
+ loser:
bfd_release (abfd, (char *) mergem);
- return 0;
+ abfd->tdata.any = NULL;
+ bfd_section_list_clear (abfd);
+ return NULL;
}
/* Validate that it's a core file we know how to handle, due to sun
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;
+ bfd_set_error (bfd_error_system_call); /* FIXME. */
+ goto loser;
}
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));
+ /* Create the sections. */
+ flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS;
+ core_stacksec (abfd) = bfd_make_section_anyway_with_flags (abfd, ".stack",
+ flags);
if (core_stacksec (abfd) == NULL)
- {
- loser:
- bfd_set_error (bfd_error_no_memory);
- bfd_release (abfd, (char *) mergem);
- return 0;
- }
- core_datasec (abfd) = (asection *) bfd_zalloc (abfd, sizeof (asection));
+ /* bfd_release frees everything allocated after it's arg. */
+ goto loser;
+
+ flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS;
+ core_datasec (abfd) = bfd_make_section_anyway_with_flags (abfd, ".data",
+ flags);
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;
- }
- core_reg2sec (abfd) = (asection *) bfd_zalloc (abfd, sizeof (asection));
- if (core_reg2sec (abfd) == NULL)
- {
- bfd_release (abfd, core_regsec (abfd));
- goto loser2;
- }
+ goto loser;
- core_stacksec (abfd)->name = ".stack";
- core_datasec (abfd)->name = ".data";
- core_regsec (abfd)->name = ".reg";
- core_reg2sec (abfd)->name = ".reg2";
+ flags = SEC_HAS_CONTENTS;
+ core_regsec (abfd) = bfd_make_section_anyway_with_flags (abfd, ".reg",
+ flags);
+ if (core_regsec (abfd) == NULL)
+ goto loser;
- 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_ALLOC + SEC_HAS_CONTENTS;
- core_reg2sec (abfd)->flags = SEC_ALLOC + SEC_HAS_CONTENTS;
+ flags = SEC_HAS_CONTENTS;
+ core_reg2sec (abfd) = bfd_make_section_anyway_with_flags (abfd, ".reg2",
+ flags);
+ if (core_reg2sec (abfd) == NULL)
+ goto loser;
- 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)->size = core->c_ssize;
+ core_datasec (abfd)->size = core->c_dsize;
+ core_regsec (abfd)->size = core->c_regs_size;
+ core_reg2sec (abfd)->size = core->fp_stuff_size;
core_stacksec (abfd)->vma = (core->c_stacktop - core->c_ssize);
- core_datasec (abfd)->vma = N_DATADDR (core->c_aouthdr);
+ 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;
- /* We'll access the regs afresh in the core file, like any section: */
+ /* 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 */
+ /* Align to word at least. */
core_stacksec (abfd)->alignment_power = 2;
core_datasec (abfd)->alignment_power = 2;
core_regsec (abfd)->alignment_power = 2;
core_reg2sec (abfd)->alignment_power = 2;
- abfd->sections = core_stacksec (abfd);
- core_stacksec (abfd)->next = core_datasec (abfd);
- core_datasec (abfd)->next = core_regsec (abfd);
- core_regsec (abfd)->next = core_reg2sec (abfd);
-
- abfd->section_count = 4;
-
return abfd->xvec;
}
static char *
-sunos4_core_file_failing_command (abfd)
- bfd *abfd;
+sunos4_core_file_failing_command (bfd *abfd)
{
return core_hdr (abfd)->hdr->c_cmdname;
}
static int
-sunos4_core_file_failing_signal (abfd)
- bfd *abfd;
+sunos4_core_file_failing_signal (bfd *abfd)
{
return core_hdr (abfd)->hdr->c_signo;
}
-static boolean
-sunos4_core_file_matches_executable_p (core_bfd, exec_bfd)
- bfd *core_bfd;
- bfd *exec_bfd;
+static bfd_boolean
+sunos4_core_file_matches_executable_p (bfd *core_bfd, bfd *exec_bfd)
{
if (core_bfd->xvec != exec_bfd->xvec)
{
bfd_set_error (bfd_error_system_call);
- return false;
+ return FALSE;
}
- return (memcmp ((char *) &((core_hdr (core_bfd)->hdr)->c_aouthdr),
- (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;
}
#define MY_set_sizes sunos4_set_sizes
-static boolean
-sunos4_set_sizes (abfd)
- bfd *abfd;
+
+static bfd_boolean
+sunos4_set_sizes (bfd *abfd)
{
switch (bfd_get_arch (abfd))
{
default:
- return false;
+ 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;
+ 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;
+ return TRUE;
}
}
#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
#define MY_finish_dynamic_link 0
#endif
-static CONST struct aout_backend_data sunos4_aout_backend =
+static const struct aout_backend_data sunos4_aout_backend =
{
- 0, /* zmagic files are not contiguous */
- 1, /* text includes header */
+ 0, /* Zmagic files are not contiguous. */
+ 1, /* Text includes header. */
+ MY_entry_is_text_address,
MY_exec_hdr_flags,
- 0, /* default text vma */
+ 0, /* Default text vma. */
sunos4_set_sizes,
- 0, /* header is counted in zmagic text */
+ 0, /* Header is counted in zmagic text. */
MY_add_dynamic_symbols,
MY_add_one_symbol,
MY_link_dynamic_object,
#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_bfd_debug_info_accumulate (void (*) (bfd *, struct bfd_section *)) 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
+#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"