*** empty log message ***

1 files changed, 490 insertions, 0 deletions

diff --git a/bfd/aoutf1.h b/bfd/aoutf1.h
new file mode 100644
index 0000000..197d7c7
--- /dev/null
+++ b/bfd/aoutf1.h
@@ -0,0 +1,490 @@
+/* BFD backend for generic a.out flavour 1 */
+
+/* Copyright (C) 1990, 1991 Free Software Foundation, Inc.
+
+This file is part of BFD, the Binary File Diddler.
+
+BFD 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.
+
+BFD 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.  */
+
+#include <ansidecl.h>
+#include <sysdep.h>
+struct external_exec;
+#include <a.out.sun4.h>
+#include "bfd.h"
+#include "liba.out.h"           
+#include "libbfd.h"
+
+
+
+#include "aout64.h"
+#include "stab.gnu.h"
+#include "ar.h"
+
+
+
+void (*bfd_error_trap)();
+
+static bfd_target *sunos4_callback ();
+
+/*SUPPRESS558*/
+/*SUPPRESS529*/
+
+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 */
+
+  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))) {
+    
+  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)) {
+    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);
+      break;
+    default:
+      N_SET_MACHTYPE(*execp, M_UNKNOWN);
+    }
+    
+    choose_reloc_size(abfd);
+
+    /* FIXME */
+    N_SET_FLAGS (*execp, 0x81);
+    
+    WRITE_HEADERS(abfd, execp);
+
+  return true;
+}
+
+/* core files */
+
+#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. */
+
+/* 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 {
+  int r_psr;
+  int r_pc;
+  int r_npc;
+  int r_y;
+  int r_g1;
+  int r_g2;
+  int r_g3;
+  int r_g4;
+  int r_g5;
+  int r_g6;
+  int r_g7;
+  int r_o0;
+  int r_o1;
+  int r_o2;
+  int r_o3;
+  int r_o4;
+  int r_o5;
+  int r_o6;
+  int r_o7;
+};
+
+/* 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.
+    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.) */
+};
+
+/* 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))
+
+PROTO (static void, swapcore, (bfd *abfd, struct core *core));
+
+/* 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)
+
+/* 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;
+};
+
+static bfd_target *
+DEFUN(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) !=
+      sizeof (longbuf))
+    return 0;
+  core_mag = bfd_h_get_32 (abfd, longbuf);
+
+  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) !=
+      sizeof (longbuf))
+    return 0;
+  core_size = bfd_h_get_32 (abfd, longbuf);
+  /* Sanity check */
+  if (core_size > 20000)
+    return 0;
+
+  if (bfd_seek (abfd, 0L, false) < 0) return 0;
+
+  rawptr = bfd_zalloc (abfd, core_size + sizeof (struct suncordata));
+  if (rawptr == NULL) {
+    bfd_error = no_memory;
+    return 0;
+  }
+
+  core = (struct core *) (rawptr + sizeof (struct suncordata));
+
+  if ((bfd_read ((PTR) core, 1, core_size, abfd)) != core_size) {
+    bfd_error = system_call_error;
+    bfd_release (abfd, rawptr);
+    return 0;
+  }
+
+  swapcore (abfd, core);
+  set_tdata (abfd, ((struct suncordata *) rawptr));
+  core_hdr (abfd) = 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;
+  }
+  core_datasec (abfd) = (asection *) bfd_zalloc (abfd, sizeof (asection));
+  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;
+  }
+
+  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)->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)->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)->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);
+
+  /* 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;
+  {
+  return core_hdr (abfd)->c_cmdname;
+}
+
+static int
+DEFUN(sunos4_core_file_failing_signal,(abfd),
+      bfd *abfd)
+{
+  return core_hdr (abfd)->c_signo;
+}
+
+static boolean
+DEFUN(sunos4_core_file_matches_executable_p, (core_bfd, exec_bfd),
+      bfd *core_bfd AND
+      bfd *exec_bfd)
+{
+  if (core_bfd->xvec != exec_bfd->xvec) {
+    bfd_error = system_call_error;
+    return false;
+  }
+
+  return (bcmp ((char *)&core_hdr (core_bfd), (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)
+{
+  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.  */
+}
+
+/* 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))
+};