-/* A.out "format 1" file handling code
- Copyright (C) 1990-1991 Free Software Foundation, Inc.
+/* A.out "format 1" file handling code for BFD.
+ Copyright 1990, 1991, 1992 Free Software Foundation, Inc.
Written by Cygnus Support.
This file is part of BFD, the Binary File Descriptor library.
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
-#include <ansidecl.h>
-#include <sysdep.h>
-#include <a.out.sun4.h>
#include "bfd.h"
-#include "libaout.h"
+#include "sysdep.h"
#include "libbfd.h"
-#include "aout64.h"
-#include "stab.gnu.h"
-#include "ar.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"
/*
The file @code{aoutf1.h} contains the code for BFD's
void (*bfd_error_trap)();
-static bfd_target *sunos4_callback ();
-
/*SUPPRESS558*/
/*SUPPRESS529*/
-bfd_target *
-DEFUN(NAME(sunos,object_p), (abfd),
- bfd *abfd)
+void
+DEFUN(NAME(sunos,set_arch_mach), (abfd, machtype),
+ bfd *abfd AND int machtype)
{
- unsigned char magicbuf[4]; /* Raw bytes of magic number from file */
- unsigned long magic; /* Swapped magic number */
-
- bfd_error = system_call_error;
-
- if (bfd_read ((PTR)magicbuf, 1 , 4, abfd) !=
- sizeof (magicbuf))
- return 0;
- magic = bfd_h_get_32 (abfd, magicbuf);
-
- if (N_BADMAG (*((struct internal_exec *) &magic))) return 0;
-
- return NAME(aout,some_aout_object_p) (abfd, sunos4_callback);
-}
-
- /* Determine the size of a relocation entry, based on the architecture */
-static void
-DEFUN(choose_reloc_size,(abfd),
-bfd *abfd)
- {
- switch (abfd->obj_arch) {
- case bfd_arch_sparc:
- case bfd_arch_a29k:
- obj_reloc_entry_size (abfd) = RELOC_EXT_SIZE;
- break;
- default:
- 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. */
-
-static bfd_target *
-sunos4_callback (abfd)
- bfd *abfd;
-{
- 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))) {
-
+ enum bfd_architecture arch;
+ long machine;
+ switch (machtype) {
+
case M_UNKNOWN:
- abfd->obj_arch = bfd_arch_unknown;
- abfd->obj_machine = 0;
+ /* Some Sun3s make magic numbers without cpu types in them, so
+ we'll default to the 68020. */
+ arch = bfd_arch_m68k;
+ machine = 68020;
break;
case M_68010:
- abfd->obj_arch = bfd_arch_m68k;
- abfd->obj_machine = 68010;
+ case M_HP200:
+ arch = bfd_arch_m68k;
+ machine = 68010;
break;
case M_68020:
- abfd->obj_arch = bfd_arch_m68k;
- abfd->obj_machine = 68020;
+ case M_HP300:
+ arch = bfd_arch_m68k;
+ machine = 68020;
break;
case M_SPARC:
- abfd->obj_arch = bfd_arch_sparc;
- abfd->obj_machine = 0;
+ arch = bfd_arch_sparc;
+ machine = 0;
break;
case M_386:
- abfd->obj_arch = bfd_arch_i386;
- abfd->obj_machine = 0;
+ arch = bfd_arch_i386;
+ machine = 0;
break;
case M_29K:
- abfd->obj_arch = bfd_arch_a29k;
- abfd->obj_machine = 0;
+ arch = bfd_arch_a29k;
+ machine = 0;
break;
+ case M_HPUX:
+ arch = bfd_arch_m68k;
+ machine = 0;
+ break;
+
default:
- abfd->obj_arch = bfd_arch_obscure;
- abfd->obj_machine = 0;
+ arch = bfd_arch_obscure;
+ machine = 0;
break;
}
-
- choose_reloc_size(abfd);
- return abfd->xvec;
+ bfd_set_arch_mach(abfd, arch, machine);
}
+#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 (bfd_get_arch(abfd)) {
+ case bfd_arch_sparc:
+ case bfd_arch_a29k:
+ obj_reloc_entry_size (abfd) = RELOC_EXT_SIZE;
+ break;
+ default:
+ obj_reloc_entry_size (abfd) = RELOC_STD_SIZE;
+ break;
+ }
+}
/* Write an object file in SunOS format.
-Section contents have already been written. We write the
-file header, symbols, and relocation. */
+ Section contents have already been written. We write the
+ file header, symbols, and relocation. */
-boolean
-DEFUN(NAME(aout,sunos4_write_object_contents),(abfd),
+static 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;
+{
+ struct external_exec exec_bytes;
+ struct internal_exec *execp = exec_hdr (abfd);
- /* Magic number, maestro, please! */
- switch (bfd_get_architecture(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;
- }
- break;
- case bfd_arch_sparc:
- N_SET_MACHTYPE(*execp, M_SPARC);
- break;
- case bfd_arch_i386:
- N_SET_MACHTYPE(*execp, M_386);
- break;
- case bfd_arch_a29k:
- N_SET_MACHTYPE(*execp, M_29K);
+ /* Magic number, maestro, please! */
+ switch (bfd_get_arch(abfd)) {
+ case bfd_arch_m68k:
+ switch (bfd_get_mach(abfd)) {
+ case 68010:
+ N_SET_MACHTYPE(*execp, M_68010);
break;
default:
- N_SET_MACHTYPE(*execp, M_UNKNOWN);
+ case 68020:
+ N_SET_MACHTYPE(*execp, M_68020);
+ break;
}
+ break;
+ case bfd_arch_sparc:
+ N_SET_MACHTYPE(*execp, M_SPARC);
+ 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);
+ }
- choose_reloc_size(abfd);
+ choose_reloc_size(abfd);
- /* FIXME */
- N_SET_FLAGS (*execp, 0x1);
+ /* Some tools want this to be 0, some tools want this to be one.
+ Today, it seems that 0 is the most important setting (PR1927) */
+ N_SET_FLAGS (*execp, 0x0);
- WRITE_HEADERS(abfd, execp);
+ 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. */
+ 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;
/* 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! */
+ 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) */
+ 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.
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) */
- long c_stacktop; /* Stack top (address) */
+ 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 */
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_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);
- bcopy (extcore->c_cmdname, intcore->c_cmdname, sizeof (intcore->c_cmdname));
+ 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 */
+ intcore->c_ucode =
+ bfd_h_get_32 (abfd,
+ intcore->c_len - sizeof (extcore->c_ucode) + (unsigned char *)extcore);
+ intcore->c_stacktop = 0x0E000000; /* By experimentation */
}
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);
- bcopy (extcore->c_cmdname, intcore->c_cmdname, sizeof (intcore->c_cmdname));
+ 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);
+ 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. */
-#define SPARC_USRSTACK (-(128*1024*1024))
- intcore->c_stacktop = SPARC_USRSTACK; /* By experimentation */
+ 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) (((struct suncoredata *) (bfd->tdata))->hdr)
-#define core_datasec(bfd) (((struct suncoredata *) ((bfd)->tdata))->data_section)
-#define core_stacksec(bfd) (((struct suncoredata*)((bfd)->tdata))->stack_section)
-#define core_regsec(bfd) (((struct suncoredata *) ((bfd)->tdata))->reg_section)
-#define core_reg2sec(bfd) (((struct suncoredata *) ((bfd)->tdata))->reg2_section)
+#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 suncoredata {
+struct sun_core_struct {
struct internal_sunos_core *hdr; /* core file header */
asection *data_section;
asection *stack_section;
struct internal_sunos_core *core;
char *extcore;
struct mergem {
- struct suncoredata suncoredata;
+ struct sun_core_struct suncoredata;
struct internal_sunos_core internal_sunos_core;
char external_core[1];
} *mergem;
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;
mergem = (struct mergem *)bfd_zalloc (abfd, core_size + sizeof (struct mergem));
if (mergem == NULL) {
return 0;
}
- set_tdata (abfd, &mergem->suncoredata);
- 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_regsec (abfd)->flags = SEC_ALLOC + SEC_HAS_CONTENTS;
core_reg2sec (abfd)->flags = SEC_ALLOC + SEC_HAS_CONTENTS;
- 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)->_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 = (core->c_stacktop - core->c_ssize);
core_datasec (abfd)->vma = N_DATADDR(core->c_aouthdr);
- core_regsec (abfd)->vma = -1;
- core_reg2sec (abfd)->vma = -1;
+ 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;
static char *sunos4_core_file_failing_command (abfd)
bfd *abfd;
{
- return core_hdr (abfd)->c_cmdname;
+ return core_hdr (abfd)->hdr->c_cmdname;
}
static int
DEFUN(sunos4_core_file_failing_signal,(abfd),
bfd *abfd)
{
- return core_hdr (abfd)->c_signo;
+ return core_hdr (abfd)->hdr->c_signo;
}
static boolean
return false;
}
- return (bcmp ((char *)&core_hdr (core_bfd)->c_aouthdr,
- (char *) exec_hdr (exec_bfd),
- sizeof (struct internal_exec)) == 0) ? true : false;
+ return (memcmp ((char *)&((core_hdr (core_bfd)->hdr)->c_aouthdr),
+ (char *) exec_hdr (exec_bfd),
+ sizeof (struct internal_exec)) == 0) ? true : false;
}
-\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
-
-#define aout_64_bfd_debug_info_start bfd_void
-#define aout_64_bfd_debug_info_end bfd_void
-#define aout_64_bfd_debug_info_accumulate bfd_void
-#define aout_32_bfd_debug_info_start bfd_void
-#define aout_32_bfd_debug_info_end bfd_void
-#define aout_32_bfd_debug_info_accumulate (PROTO(void,(*),(bfd*, struct sec *))) bfd_void
+#define MY_set_sizes sunos4_set_sizes
+static boolean
+DEFUN (sunos4_set_sizes, (abfd),
+ bfd *abfd)
+{
+ 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;
+ }
+}
+static CONST struct aout_backend_data sunos4_aout_backend = {
+ 0, 1, 0, sunos4_set_sizes, 0,
+};
+\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
-/* We implement these routines ourselves, rather than using the generic
-a.out versions. */
-#define aout_write_object_contents sunos4_write_object_contents
+#define TARGET_IS_BIG_ENDIAN_P
-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 */
- 3, /* minimum alignment power */
- _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))
- };
+#include "aout-target.h"
projects / deliverable / binutils-gdb.git / blobdiff