-/*** bfd backend for sunos binaries */
+/* BFD semi-generic back-end for a.out binaries */
/* Copyright (C) 1990, 1991 Free Software Foundation, Inc.
along with BFD; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
-/* $Id$
- *
- */
-
-#define TARGET_BYTE_ORDER_BIG_P 1
#include <ansidecl.h>
-#include "sysdep.h"
+#include <sysdep.h>
#include "bfd.h"
#include "libbfd.h"
-
-void (*bfd_error_trap)();
-
-/*SUPPRESS558*/
-/*SUPPRESS529*/
-
-
-
-
-
-/* These values are correct for the SPARC. I dunno about anything else */
-#define PAGE_SIZE 0x02000
-#define SEGMENT_SIZE PAGE_SIZE
-#define TEXT_START_ADDR PAGE_SIZE
#include "a.out.gnu.h"
#include "stab.gnu.h"
#include "ar.h"
#include "liba.out.h" /* BFD a.out internal data structures */
-#include "a.out.sun4.h"
+void (*bfd_error_trap)();
+
+/*SUPPRESS558*/
+/*SUPPRESS529*/
#define CTOR_TABLE_RELOC_IDX 2
static reloc_howto_type howto_table_ext[] =
{
- /* type rs size bsz pcrel bitpos abs ovrf sf name partial inplace mask*/
-{ (unsigned int) RELOC_8, 0, 0, 8, false, 0, true, true,0,"8", false, 0,0x000000ff},
-{ (unsigned int) RELOC_16, 0, 1, 16, false, 0, true, true,0,"16", false, 0,0x0000ffff},
-{ (unsigned int) RELOC_32, 0, 2, 32, false, 0, true, true,0,"32", false, 0,0xffffffff},
-{ (unsigned int) RELOC_DISP8, 0, 0, 8, true, 0, false, true,0,"DISP8", false, 0,0x000000ff},
-{ (unsigned int) RELOC_DISP16, 0, 1, 16, true, 0, false, true,0,"DISP16", false, 0,0x0000ffff},
-{ (unsigned int) RELOC_DISP32, 0, 2, 32, true, 0, false, true,0,"DISP32", false, 0,0xffffffff},
-{ (unsigned int) RELOC_WDISP30,2, 2, 30, true, 0, false, true,0,"WDISP30", false, 0,0x3fffffff},
-{ (unsigned int) RELOC_WDISP22,2, 2, 22, true, 0, false, true,0,"WDISP22", false, 0,0x003fffff},
-{ (unsigned int) RELOC_HI22, 10, 2, 22, false, 0, false, true,0,"HI22", false, 0,0x003fffff},
-{ (unsigned int) RELOC_22, 0, 2, 22, false, 0, false, true,0,"22", false, 0,0x003fffff},
-{ (unsigned int) RELOC_13, 0, 2, 13, false, 0, false, true,0,"13", false, 0,0x00001fff},
-{ (unsigned int) RELOC_LO10, 0, 2, 10, false, 0, false, true,0,"LO10", false, 0,0x000003ff},
-{ (unsigned int) RELOC_SFA_BASE,0, 2, 32, false, 0, false, true,0,"SFA_BASE", false, 0,0xffffffff},
-{ (unsigned int) RELOC_SFA_OFF13,0,2, 32, false, 0, false, true,0,"SFA_OFF13",false, 0,0xffffffff},
-{ (unsigned int) RELOC_BASE10, 0, 2, 16, false, 0, false, true,0,"BASE10", false, 0,0x0000ffff},
-{ (unsigned int) RELOC_BASE13, 0, 2, 13, false, 0, false, true,0,"BASE13", false, 0,0x00001fff},
-{ (unsigned int) RELOC_BASE22, 0, 2, 0, false, 0, false, true,0,"BASE22", false, 0,0x00000000},
-{ (unsigned int) RELOC_PC10, 0, 2, 10, false, 0, false, true,0,"PC10", false, 0,0x000003ff},
-{ (unsigned int) RELOC_PC22, 0, 2, 22, false, 0, false, true,0,"PC22", false, 0,0x003fffff},
-{ (unsigned int) RELOC_JMP_TBL,0, 2, 32, false, 0, false, true,0,"JMP_TBL", false, 0,0xffffffff},
-{ (unsigned int) RELOC_SEGOFF16,0, 2, 0, false, 0, false, true,0,"SEGOFF16", false, 0,0x00000000},
-{ (unsigned int) RELOC_GLOB_DAT,0, 2, 0, false, 0, false, true,0,"GLOB_DAT", false, 0,0x00000000},
-{ (unsigned int) RELOC_JMP_SLOT,0, 2, 0, false, 0, false, true,0,"JMP_SLOT", false, 0,0x00000000},
-{ (unsigned int) RELOC_RELATIVE,0, 2, 0, false, 0, false, true,0,"RELATIVE", false, 0,0x00000000},
-{ (unsigned int) RELOC_JUMPTARG,2, 13, 16, true, 0, false, true,0,"JUMPTARG", false, 0,0x0000ffff},
-{ (unsigned int) RELOC_CONST, 0, 13, 16, false, 0, false, true,0,"CONST", false, 0,0x0000ffff},
-{ (unsigned int) RELOC_CONSTH, 16, 13, 16, false, 0, false, true,0,"CONSTH", false, 0,0x0000ffff},
+ HOWTO(RELOC_8, 0, 0, 8, false, 0, true, true,0,"8", false, 0,0x000000ff, false),
+ HOWTO(RELOC_16, 0, 1, 16, false, 0, true, true,0,"16", false, 0,0x0000ffff, false),
+ HOWTO(RELOC_32, 0, 2, 32, false, 0, true, true,0,"32", false, 0,0xffffffff, false),
+ HOWTO(RELOC_DISP8, 0, 0, 8, true, 0, false, true,0,"DISP8", false, 0,0x000000ff, false),
+ HOWTO(RELOC_DISP16, 0, 1, 16, true, 0, false, true,0,"DISP16", false, 0,0x0000ffff, false),
+ HOWTO(RELOC_DISP32, 0, 2, 32, true, 0, false, true,0,"DISP32", false, 0,0xffffffff, false),
+ HOWTO(RELOC_WDISP30,2, 2, 30, true, 0, false, true,0,"WDISP30", false, 0,0x3fffffff, false),
+ HOWTO(RELOC_WDISP22,2, 2, 22, true, 0, false, true,0,"WDISP22", false, 0,0x003fffff, false),
+ HOWTO(RELOC_HI22, 10, 2, 22, false, 0, false, true,0,"HI22", false, 0,0x003fffff, false),
+ HOWTO(RELOC_22, 0, 2, 22, false, 0, false, true,0,"22", false, 0,0x003fffff, false),
+ HOWTO(RELOC_13, 0, 2, 13, false, 0, false, true,0,"13", false, 0,0x00001fff, false),
+ HOWTO(RELOC_LO10, 0, 2, 10, false, 0, false, true,0,"LO10", false, 0,0x000003ff, false),
+ HOWTO(RELOC_SFA_BASE,0, 2, 32, false, 0, false, true,0,"SFA_BASE", false, 0,0xffffffff, false),
+ HOWTO(RELOC_SFA_OFF13,0,2, 32, false, 0, false, true,0,"SFA_OFF13",false, 0,0xffffffff, false),
+ HOWTO(RELOC_BASE10, 0, 2, 16, false, 0, false, true,0,"BASE10", false, 0,0x0000ffff, false),
+ HOWTO(RELOC_BASE13, 0, 2, 13, false, 0, false, true,0,"BASE13", false, 0,0x00001fff, false),
+ HOWTO(RELOC_BASE22, 0, 2, 0, false, 0, false, true,0,"BASE22", false, 0,0x00000000, false),
+ HOWTO(RELOC_PC10, 0, 2, 10, false, 0, false, true,0,"PC10", false, 0,0x000003ff, false),
+ HOWTO(RELOC_PC22, 0, 2, 22, false, 0, false, true,0,"PC22", false, 0,0x003fffff, false),
+ HOWTO(RELOC_JMP_TBL,0, 2, 32, false, 0, false, true,0,"JMP_TBL", false, 0,0xffffffff, false),
+ HOWTO(RELOC_SEGOFF16,0, 2, 0, false, 0, false, true,0,"SEGOFF16", false, 0,0x00000000, false),
+ HOWTO(RELOC_GLOB_DAT,0, 2, 0, false, 0, false, true,0,"GLOB_DAT", false, 0,0x00000000, false),
+ HOWTO(RELOC_JMP_SLOT,0, 2, 0, false, 0, false, true,0,"JMP_SLOT", false, 0,0x00000000, false),
+ HOWTO(RELOC_RELATIVE,0, 2, 0, false, 0, false, true,0,"RELATIVE", false, 0,0x00000000, false),
+ HOWTO(RELOC_JUMPTARG,2, 13, 16, true, 0, false, true,0,"JUMPTARG", false, 0,0x0000ffff, false),
+ HOWTO(RELOC_CONST, 0, 13, 16, false, 0, false, true,0,"CONST", false, 0,0x0000ffff, false),
+ HOWTO(RELOC_CONSTH, 16, 13, 16, false, 0, false, true,0,"CONSTH", false, 0,0x0000ffff, false),
};
/* Convert standard reloc records to "arelent" format (incl byte swap). */
static reloc_howto_type howto_table_std[] = {
- /* type rs size bsz pcrel bitpos abs ovrf sf name*/
-{ (unsigned int) 0, 0, 0, 8, false, 0, true, true,0,"8", true, 0x000000ff,0x000000ff},
-{ (unsigned int) 1, 0, 1, 16, false, 0, true, true,0,"16", true, 0x0000ffff,0x0000ffff},
-{ (unsigned int) 2, 0, 2, 32, false, 0, true, true,0,"32", true, 0xffffffff,0xffffffff},
-{ (unsigned int) 3, 0, 3, 64, false, 0, true, true,0,"64", true, 0xdeaddead,0xdeaddead},
-{ (unsigned int) 4, 0, 0, 8, true, 0, false, true,0,"DISP8", true, 0x000000ff,0x000000ff},
-{ (unsigned int) 5, 0, 1, 16, true, 0, false, true,0,"DISP16", true, 0x0000ffff,0x0000ffff},
-{ (unsigned int) 6, 0, 2, 32, true, 0, false, true,0,"DISP32", true, 0xffffffff,0xffffffff},
-{ (unsigned int) 7, 0, 3, 64, true, 0, false, true,0,"DISP64", true, 0xfeedface,0xfeedface},
+ /* type rs size bsz pcrel bitpos abs ovrf sf name part_inpl readmask setmask pcdone */
+HOWTO( 0, 0, 0, 8, false, 0, true, true,0,"8", true, 0x000000ff,0x000000ff, false),
+HOWTO( 1, 0, 1, 16, false, 0, true, true,0,"16", true, 0x0000ffff,0x0000ffff, false),
+HOWTO( 2, 0, 2, 32, false, 0, true, true,0,"32", true, 0xffffffff,0xffffffff, false),
+HOWTO( 3, 0, 3, 64, false, 0, true, true,0,"64", true, 0xdeaddead,0xdeaddead, false),
+HOWTO( 4, 0, 0, 8, true, 0, false, true,0,"DISP8", true, 0x000000ff,0x000000ff, false),
+HOWTO( 5, 0, 1, 16, true, 0, false, true,0,"DISP16", true, 0x0000ffff,0x0000ffff, false),
+HOWTO( 6, 0, 2, 32, true, 0, false, true,0,"DISP32", true, 0xffffffff,0xffffffff, false),
+HOWTO( 7, 0, 3, 64, true, 0, false, true,0,"DISP64", true, 0xfeedface,0xfeedface, false),
};
bfd_error_vector_type bfd_error_vector;
-/** a.out files */
-
-
-PROTO (void , sunos4_write_syms, ());
-PROTO (static boolean,sunos4_squirt_out_relocs,(bfd *abfd, asection *section));
-
-
-static size_t
-reloc_size_func(abfd)
-bfd *abfd;
-{
- switch (bfd_get_architecture (abfd)) {
- case bfd_arch_sparc:
- case bfd_arch_a29k:
- return RELOC_EXT_SIZE;
- default:
- return RELOC_STD_SIZE;
- }
-}
-static void
+void
DEFUN(bfd_aout_swap_exec_header_in,(abfd, raw_bytes, execp),
bfd *abfd AND
unsigned char *raw_bytes AND
execp->a_drsize = bfd_h_getlong (abfd, bytes->a_drsize);
}
-static void
+void
DEFUN(bfd_aout_swap_exec_header_out,(abfd, execp, raw_bytes),
bfd *abfd AND
struct exec *execp AND
bfd_h_putlong (abfd, execp->a_drsize, bytes->a_drsize);
}
-/* Steve wants some way to frob this stuff from Saber while he's debugging
- ld, so we have these funny shadow functions */
-/* ZMAGIC's start at 0 (making the exec part of the text section),
- other formats start after the exec
-*/
-static unsigned int n_txtoff(ptr)
-struct exec *ptr;
-{return N_MAGIC(*ptr)== ZMAGIC ? 0: sizeof(struct exec);}
-
-static unsigned int n_datoff(ptr)
-struct exec *ptr;
-{return n_txtoff(ptr) + ptr->a_text;}
-
-static unsigned int n_treloff(ptr)
-struct exec *ptr;
-{return n_datoff(ptr) + ptr->a_data;}
-
-static unsigned int n_dreloff(ptr)
-struct exec *ptr;
-{return n_treloff(ptr) + ptr->a_trsize;}
-
-static unsigned int n_symoff(ptr)
-struct exec *ptr;
-{return n_dreloff(ptr) + ptr->a_drsize;}
-
-static unsigned int n_stroff(ptr)
-struct exec *ptr;
-{return n_symoff(ptr) + ptr->a_syms;}
-
-static
-unsigned int n_badmag(ptr)
- struct exec *ptr;
-{
- switch (N_MAGIC(*ptr)) {
- case OMAGIC: case NMAGIC: case ZMAGIC: return 0;
- default: return 1;
- }
-}
-
+/* Some A.OUT variant thinks that the file whose format we're checking
+ is an a.out file. Do some more checking, and set up for access if
+ it really is. Call back to the calling environment's "finish up"
+ function just before returning, to handle any last-minute setup. */
+
bfd_target *
-sunos4_object_p (abfd)
+some_aout_object_p (abfd, callback_to_real_object_p)
bfd *abfd;
+ bfd_target *(*callback_to_real_object_p) ();
{
- unsigned char magicbuf[4]; /* Raw bytes of magic number from file */
- unsigned long magic; /* Swapped magic number */
unsigned char exec_bytes[EXEC_BYTES_SIZE]; /* Raw bytes of exec hdr */
struct exec *execp;
PTR rawptr;
- bfd_error = system_call_error;
-
- if (bfd_read ((PTR)magicbuf, 1, sizeof (magicbuf), abfd) !=
- sizeof (magicbuf))
+ if (bfd_seek (abfd, 0L, false) < 0) {
+ bfd_error = system_call_error;
return 0;
- magic = bfd_h_getlong (abfd, magicbuf);
-
- /* Baroque syntax to mask deficiencies of the Sun compiler */
- /* if (N_BADMAG (*((struct exec *) &magic))) return 0; */
- if (n_badmag ((struct exec *) &magic)) return 0;
-
- if (bfd_seek (abfd, 0L, false) < 0) return 0;
+ }
if (bfd_read ((PTR) exec_bytes, 1, EXEC_BYTES_SIZE, abfd)
!= EXEC_BYTES_SIZE) {
}
/* Use an intermediate variable for clarity */
- rawptr = (PTR) bfd_zalloc (abfd, sizeof (struct sunexdata) + sizeof (struct exec));
+ rawptr = (PTR) bfd_zalloc (abfd, sizeof (struct aoutdata) + sizeof (struct exec));
if (rawptr == NULL) {
bfd_error = no_memory;
return 0;
}
- set_tdata (abfd, ((struct sunexdata *) rawptr));
+ set_tdata (abfd, ((struct aoutdata *) rawptr));
exec_hdr (abfd) = execp =
- (struct exec *) ((char *)rawptr + sizeof (struct sunexdata));
+ (struct exec *) ((char *)rawptr + sizeof (struct aoutdata));
bfd_aout_swap_exec_header_in (abfd, exec_bytes, execp);
if (execp->a_syms)
abfd->flags |= HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS;
-
if (N_MAGIC (*execp) == ZMAGIC) abfd->flags |= D_PAGED;
if (N_MAGIC (*execp) == NMAGIC) abfd->flags |= WP_TEXT;
- /* Determine the architecture and machine type of the object file. */
- abfd->obj_arch = bfd_arch_unknown; /* Default values */
- abfd->obj_machine = 0;
- switch (N_MACHTYPE (*execp)) {
-
- case M_UNKNOWN:
- 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;
- break;
-
- case M_386:
- abfd->obj_arch = bfd_arch_i386;
- break;
-
- case M_29K:
- abfd->obj_arch = bfd_arch_a29k;
- break;
+ bfd_get_start_address (abfd) = execp->a_entry;
- default:
- abfd->obj_arch = bfd_arch_obscure;
- break;
- }
+ obj_aout_symbols (abfd) = (aout_symbol_type *)NULL;
+ bfd_get_symcount (abfd) = execp->a_syms / sizeof (struct nlist);
- bfd_get_start_address (abfd) = execp->a_entry;
+ /* Set the default architecture and machine type. These can be
+ overridden in the callback routine. */
+ abfd->obj_arch = bfd_arch_unknown;
+ abfd->obj_machine = 0;
- /* Remember the positions of the string table and symbol table. */
- obj_str_filepos (abfd) = n_stroff (execp);
- obj_sym_filepos (abfd) = n_symoff (execp);
+ /* The default relocation entry size is that of traditional V7 Unix. */
+ obj_reloc_entry_size (abfd) = RELOC_STD_SIZE;
/* create the sections. This is raunchy, but bfd_close wants to reclaim
them */
obj_textsec (abfd) = (asection *)NULL;
obj_datasec (abfd) = (asection *)NULL;
obj_bsssec (abfd) = (asection *)NULL;
- obj_aout_symbols(abfd) = (aout_symbol_type *)NULL;
(void)bfd_make_section(abfd, ".text");
(void)bfd_make_section(abfd, ".data");
(void)bfd_make_section(abfd, ".bss");
+ abfd->sections = obj_textsec (abfd);
+ obj_textsec (abfd)->next = obj_datasec (abfd);
+ obj_datasec (abfd)->next = obj_bsssec (abfd);
+
obj_datasec (abfd)->size = execp->a_data;
obj_bsssec (abfd)->size = execp->a_bss;
obj_textsec (abfd)->size = execp->a_text;
- obj_datasec (abfd)->vma = N_DATADDR(*execp);
- obj_bsssec (abfd)->vma = N_BSSADDR(*execp);
- obj_textsec (abfd)->vma = N_TXTADDR(*execp);
-
- obj_textsec (abfd)->filepos = N_TXTOFF(*execp);
- obj_datasec (abfd)->filepos = N_DATOFF(*execp);
- obj_textsec (abfd)->rel_filepos = N_TROFF(*execp);
- obj_datasec (abfd)->rel_filepos = N_DROFF(*execp);
+ if (abfd->flags & D_PAGED) {
+ obj_textsec (abfd)->size -= EXEC_BYTES_SIZE;
+ }
+
obj_textsec (abfd)->flags = (execp->a_trsize != 0 ?
(SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_HAS_CONTENTS) :
(SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS));
obj_bsssec (abfd)->flags = SEC_ALLOC;
- abfd->sections = obj_textsec (abfd);
- obj_textsec (abfd)->next = obj_datasec (abfd);
- obj_datasec (abfd)->next = obj_bsssec (abfd);
- return abfd->xvec;
+#ifdef THIS_IS_ONLY_DOCUMENTATION
+ /* Call back to the format-dependent code to fill in the rest of the
+ fields and do any further cleanup. Things that should be filled
+ in by the callback: */
+
+ struct exec *execp = exec_hdr (abfd);
+
+ /* The virtual memory addresses of the sections */
+ obj_datasec (abfd)->vma = N_DATADDR(*execp);
+ obj_bsssec (abfd)->vma = N_BSSADDR(*execp);
+ obj_textsec (abfd)->vma = N_TXTADDR(*execp);
+
+ /* The file offsets of the sections */
+ obj_textsec (abfd)->filepos = N_TXTOFF(*execp);
+ obj_datasec (abfd)->filepos = N_DATOFF(*execp);
+
+ /* The file offsets of the relocation info */
+ obj_textsec (abfd)->rel_filepos = N_TRELOFF(*execp);
+ obj_datasec (abfd)->rel_filepos = N_DRELOFF(*execp);
+
+ /* The file offsets of the string table and symbol table. */
+ obj_str_filepos (abfd) = N_STROFF (*execp);
+ obj_sym_filepos (abfd) = N_SYMOFF (*execp);
+
+ /* This common code can't fill in those things because they depend
+ on either the start address of the text segment, the rounding
+ up of virtual addersses between segments, or the starting file
+ position of the text segment -- all of which varies among different
+ versions of a.out. */
+
+ /* Determine the architecture and machine type of the object file. */
+ switch (N_MACHTYPE (*exec_hdr (abfd))) {
+ default:
+ abfd->obj_arch = bfd_arch_obscure;
+ break;
+ }
+
+ /* Determine the size of a relocation entry */
+ switch (abfd->obj_arch) {
+ case bfd_arch_sparc:
+ case bfd_arch_a29k:
+ obj_reloc_entry_size (abfd) = RELOC_EXT_SIZE;
+ default:
+ obj_reloc_entry_size (abfd) = RELOC_STD_SIZE;
+ }
+
+ return abfd->xvec;
+
+ /* The architecture is encoded in various ways in various a.out variants,
+ or is not encoded at all in some of them. The relocation size depends
+ on the architecture and the a.out variant. Finally, the return value
+ is the bfd_target vector in use. If an error occurs, return zero and
+ set bfd_error to the appropriate error code.
+
+ Formats such as b.out, which have additional fields in the a.out
+ header, should cope with them in this callback as well. */
+#endif /* DOCUMENTATION */
+
+
+ return (*callback_to_real_object_p)(abfd);
}
boolean
-sunos4_mkobject (abfd)
+aout_mkobject (abfd)
bfd *abfd;
{
char *rawptr;
bfd_error = system_call_error;
/* Use an intermediate variable for clarity */
- rawptr = bfd_zalloc (abfd,sizeof (struct sunexdata) + sizeof (struct exec));
+ rawptr = bfd_zalloc (abfd, sizeof (struct aoutdata) + sizeof (struct exec));
if (rawptr == NULL) {
bfd_error = no_memory;
return false;
}
- abfd->tdata = (PTR)((struct sunexdata *) rawptr);
- exec_hdr (abfd) = (struct exec *) (rawptr + sizeof (struct sunexdata));
+ set_tdata (abfd, (struct aoutdata *) rawptr);
+ exec_hdr (abfd) = (struct exec *) (rawptr + sizeof (struct aoutdata));
/* For simplicity's sake we just make all the sections right here. */
If the architecture is understood, machine type 0 (default) should
always be understood. */
-static enum machine_type
+enum machine_type
aout_machine_type (arch, machine)
enum bfd_architecture arch;
unsigned long machine;
}
boolean
-sunos4_set_arch_mach (abfd, arch, machine)
+aout_set_arch_mach (abfd, arch, machine)
bfd *abfd;
enum bfd_architecture arch;
unsigned long machine;
return false; /* We can't represent this type */
return true; /* We're easy ... */
}
-
-boolean
-sunos4_write_object_contents (abfd)
- bfd *abfd;
-{
- size_t data_pad = 0;
- unsigned char exec_bytes[EXEC_BYTES_SIZE];
- struct 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);
- }
-
- N_SET_MAGIC (*execp, OMAGIC);
- if (abfd->flags & D_PAGED) {
- execp->a_text = obj_textsec (abfd)->size + sizeof(struct exec);
- N_SET_MAGIC (*execp, ZMAGIC);
- } else if (abfd->flags & WP_TEXT) {
- N_SET_MAGIC (*execp, NMAGIC);
- }
- N_SET_FLAGS (*execp, 0x1); /* copied from ld.c; who the hell knows? */
-
- if (abfd->flags & D_PAGED)
- {
- data_pad = ((obj_datasec(abfd)->size + PAGE_SIZE -1)
- & (- PAGE_SIZE)) - obj_datasec(abfd)->size;
-
- if (data_pad > obj_bsssec(abfd)->size)
- execp->a_bss = 0;
- else
- execp->a_bss = obj_bsssec(abfd)->size - data_pad;
- execp->a_data = obj_datasec(abfd)->size + data_pad;
-
- }
- else {
- execp->a_data = obj_datasec (abfd)->size;
- execp->a_bss = obj_bsssec (abfd)->size;
- }
-
- execp->a_syms = bfd_get_symcount (abfd) * sizeof (struct nlist);
- execp->a_entry = bfd_get_start_address (abfd);
-
- execp->a_trsize = ((obj_textsec (abfd)->reloc_count) *
- reloc_size_func(abfd));
-
- execp->a_drsize = ((obj_datasec (abfd)->reloc_count) *
- reloc_size_func(abfd));
-
- bfd_aout_swap_exec_header_out (abfd, execp, exec_bytes);
-
- bfd_seek (abfd, 0L, false);
- bfd_write ((PTR) exec_bytes, 1, EXEC_BYTES_SIZE, abfd);
-
- /* Now write out reloc info, followed by syms and strings */
-
- if (bfd_get_symcount (abfd) != 0)
- {
- bfd_seek (abfd,
- (long)(N_SYMOFF(*execp)), false);
-
- sunos4_write_syms (abfd);
-
- bfd_seek (abfd, (long)(N_TROFF(*execp)), false);
-
- if (!sunos4_squirt_out_relocs (abfd, obj_textsec (abfd))) return false;
- bfd_seek (abfd, (long)(N_DROFF(*execp)), false);
-
- if (!sunos4_squirt_out_relocs (abfd, obj_datasec (abfd))) return false;
- }
- return true;
-}
-
-/** core files */
-/** 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 */
- struct 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;
-};
-
-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) !=
- sizeof (longbuf))
- return 0;
- core_mag = bfd_h_getlong (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_getlong (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;
- free ((PTR)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;
- free ((PTR)rawptr);
- return 0;
- }
- core_datasec (abfd) = (asection *) bfd_zalloc (abfd, sizeof (asection));
- if (core_datasec (abfd) == NULL) {
-loser1:
- free ((PTR)core_stacksec (abfd));
- goto loser;
- }
- core_regsec (abfd) = (asection *) bfd_zalloc (abfd, sizeof (asection));
- if (core_regsec (abfd) == NULL) {
-loser2:
- free ((PTR)core_datasec (abfd));
- goto loser1;
- }
- core_reg2sec (abfd) = (asection *) bfd_zalloc (abfd, sizeof (asection));
- if (core_reg2sec (abfd) == NULL) {
- free ((PTR)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;
-}
-
-char *
-sunos4_core_file_failing_command (abfd)
- bfd *abfd;
-{
- return core_hdr (abfd)->c_cmdname;
-}
-
-int
-sunos4_core_file_failing_signal (abfd)
- bfd *abfd;
-{
- return core_hdr (abfd)->c_signo;
-}
-
-boolean
-sunos4_core_file_matches_executable_p (core_bfd, exec_bfd)
- bfd *core_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 exec)) == 0) ? true : false;
-}
-
-/* byte-swap core structure */
-/* FIXME, this needs more work to swap IN a core struct from raw bytes */
-static void
-swapcore (abfd, core)
- bfd *abfd;
- struct core *core;
-{
- unsigned char exec_bytes[EXEC_BYTES_SIZE];
-
- core->c_magic = bfd_h_getlong (abfd, (unsigned char *)&core->c_magic);
- core->c_len = bfd_h_getlong (abfd, (unsigned char *)&core->c_len );
- /* Leave integer registers in target byte order. */
- bcopy ((char *)&(core->c_aouthdr), (char *)exec_bytes, EXEC_BYTES_SIZE);
- bfd_aout_swap_exec_header_in (abfd, exec_bytes, &core->c_aouthdr);
- core->c_signo = bfd_h_getlong (abfd, (unsigned char *)&core->c_signo);
- core->c_tsize = bfd_h_getlong (abfd, (unsigned char *)&core->c_tsize);
- core->c_dsize = bfd_h_getlong (abfd, (unsigned char *)&core->c_dsize);
- core->c_ssize = bfd_h_getlong (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. */
-}
\f
-/** exec and core file sections */
+/* exec and core file sections */
boolean
-sunos4_new_section_hook (abfd, newsect)
+aout_new_section_hook (abfd, newsect)
bfd *abfd;
asection *newsect;
{
}
boolean
-sunos4_set_section_contents (abfd, section, location, offset, count)
+aout_set_section_contents (abfd, section, location, offset, count)
bfd *abfd;
sec_ptr section;
- unsigned char *location;
+ PTR location;
file_ptr offset;
int count;
{
if (abfd->output_has_begun == false)
{ /* set by bfd.c handler */
- if ((obj_textsec (abfd) == NULL) || (obj_datasec (abfd) == NULL)
-
- /*||
- (obj_textsec (abfd)->size == 0) || (obj_datasec (abfd)->size=
- 0)*/
- )
+ if ((obj_textsec (abfd) == NULL) || (obj_datasec (abfd) == NULL))
{
bfd_error = invalid_operation;
return false;
}
+ obj_textsec(abfd)->filepos = sizeof(struct exec);
+ obj_textsec(abfd)->size = align_power(obj_textsec(abfd)->size,
+ obj_textsec(abfd)->alignment_power);
+ obj_datasec(abfd)->filepos = obj_textsec (abfd)->size + EXEC_BYTES_SIZE;
+ obj_datasec(abfd)->size = align_power(obj_datasec(abfd)->size,
+ obj_datasec(abfd)->alignment_power);
-#if 0
- if (abfd->flags & D_PAGED)
- {
- obj_textsec (abfd)->filepos = sizeof(struct exec);
- obj_datasec(abfd)->filepos = obj_textsec (abfd)->size;
- }
- else
-#endif
- {
- obj_textsec (abfd)->filepos = sizeof(struct exec);
- obj_datasec(abfd)->filepos = obj_textsec(abfd)->filepos + obj_textsec (abfd)->size;
- }
}
/* regardless, once we know what we're doing, we might as well get going */
- if (section != obj_bsssec(abfd)) {
- bfd_seek (abfd, section->filepos + offset, SEEK_SET);
+ if (section != obj_bsssec(abfd))
+ {
+ bfd_seek (abfd, section->filepos + offset, SEEK_SET);
- if (count) {
- return (bfd_write ((PTR)location, 1, count, abfd) == count) ?
- true : false;
- }
- return false;
- }
+ if (count) {
+ return (bfd_write ((PTR)location, 1, count, abfd) == count) ?
+ true : false;
+ }
+ return false;
+ }
return true;
}
-boolean
-sunos4_get_section_contents (abfd, section, location, offset, count)
- bfd *abfd;
- sec_ptr section;
- PTR location;
- file_ptr offset;
- int count;
-{
- if (count) {
- if (offset >= section->size) return false;
-
- bfd_seek (abfd, section->filepos + offset, SEEK_SET);
-
- return (bfd_read (location, 1, count, abfd) == count) ? true:false;
- }
- else return true;
-}
-
\f
/* Classify stabs symbols */
-
#define sym_in_text_section(sym) \
(((sym)->n_type & (N_ABS | N_TEXT | N_DATA | N_BSS))== N_TEXT)
}
cache_ptr->symbol.section = reloc->relent.section;
reloc->relent.addend = cache_ptr->symbol.value ;
- /*
- We modify the symbol to belong to a section depending upon the
+
+ /* We modify the symbol to belong to a section depending upon the
name of the symbol - probably __CTOR__ or __DTOR__ but we don't
really care, and add to the size of the section to contain a
pointer to the symbol. Build a reloc entry to relocate to this
- symbol attached to this section.
- */
-
+ symbol attached to this section. */
section->flags = SEC_CONSTRUCTOR;
section->reloc_count++;
{
asymbol *cache_ptr = (asymbol *)cache_ptr_g;
- /* FIXME check for wrigin bss */
+ /* FIXME check for writing bss */
if (bfd_get_section(cache_ptr)) {
if (bfd_get_output_section(cache_ptr) == obj_bsssec (abfd)) {
sym_pointer->n_type |= N_BSS;
sym_pointer->n_type |= N_TEXT;
}
else {
-
- bfd_error_vector.nonrepresentable_section(abfd, bfd_get_output_section(cache_ptr)->name);
-
+ bfd_error_vector.nonrepresentable_section(abfd,
+ bfd_get_output_section(cache_ptr)->name);
}
/* Turn the symbol from section relative to absolute again */
sym_pointer->n_value +=
if (cache_ptr->flags & BSF_DEBUGGING) {
sym_pointer->n_type = ((aout_symbol_type *)cache_ptr)->type;
}
-
}
\f
/* Native-level interface to symbols. */
hold them all plus all the cached symbol entries. */
asymbol *
-sunos4_make_empty_symbol (abfd)
+aout_make_empty_symbol (abfd)
bfd *abfd;
{
aout_symbol_type *new =
}
boolean
-DEFUN(sunos4_slurp_symbol_table, (abfd),
+DEFUN(aout_slurp_symbol_table, (abfd),
bfd *abfd)
{
- unsigned int symbol_count;
size_t symbol_size;
size_t string_size;
+ unsigned char string_chars[LONG_SIZE];
struct nlist *syms;
char *strings;
aout_symbol_type *cached;
}
bfd_seek (abfd, obj_str_filepos (abfd), SEEK_SET);
- if (bfd_read ((PTR)&string_size, 4, 1, abfd) != 4)
+ if (bfd_read ((PTR)string_chars, LONG_SIZE, 1, abfd) != LONG_SIZE)
return false;
- string_size = bfd_h_getlong (abfd, (unsigned char *)&string_size);
-
- symbol_count = symbol_size / sizeof (struct nlist);
+ string_size = bfd_h_getlong (abfd, string_chars);
strings = bfd_alloc(abfd, string_size + 1);
- cached = bfd_zalloc(abfd, symbol_count * sizeof(aout_symbol_type));
- syms = bfd_alloc(abfd, symbol_size);
+ cached = (aout_symbol_type *)
+ bfd_zalloc(abfd, bfd_get_symcount (abfd) * sizeof(aout_symbol_type));
+ /* Alloc this last, so we can free it if obstack is in use. */
+ syms = (struct nlist *) bfd_alloc(abfd, symbol_size);
bfd_seek (abfd, obj_sym_filepos (abfd), SEEK_SET);
if (bfd_read ((PTR)syms, 1, symbol_size, abfd) != symbol_size) {
bailout:
+ if (syms) bfd_release (abfd, syms);
+ if (cached) bfd_release (abfd, cached);
+ if (strings)bfd_release (abfd, strings);
return false;
}
/* OK, now walk the new symtable, cacheing symbol properties */
{
register struct nlist *sym_pointer;
- register struct nlist *sym_end = syms + symbol_count;
+ register struct nlist *sym_end = syms + bfd_get_symcount (abfd);
register aout_symbol_type *cache_ptr = cached;
/* run through the table and byte swap if needed */
for (sym_pointer = syms; sym_pointer < sym_end; sym_pointer++) {
sym_pointer->n_un.n_strx =
- bfd_h_get_x (abfd, &sym_pointer->n_un.n_strx);
+ bfd_h_getlong (abfd, &sym_pointer->n_un.n_strx);
sym_pointer->n_desc =
- bfd_h_get_x (abfd, &sym_pointer->n_desc);
+ bfd_h_getshort (abfd, &sym_pointer->n_desc);
sym_pointer->n_value =
- bfd_h_get_x (abfd, &sym_pointer->n_value);
+ bfd_h_getlong (abfd, &sym_pointer->n_value);
sym_pointer->n_other = (char)
- bfd_h_get_x(abfd, &sym_pointer->n_other);
+ bfd_h_getchar(abfd, &sym_pointer->n_other);
sym_pointer->n_type = (char)
- bfd_h_get_x(abfd, &sym_pointer->n_type);
-
+ bfd_h_getchar(abfd, &sym_pointer->n_type);
}
/* Run through table and copy values */
}
obj_aout_symbols (abfd) = cached;
- bfd_get_symcount (abfd) = symbol_count;
bfd_release (abfd, (PTR)syms);
return true;
void
-DEFUN(sunos4_write_syms,(abfd),
+DEFUN(aout_write_syms,(abfd),
bfd *abfd)
{
unsigned int count ;
{
asymbol *g = *(generic++);
- if (g->name != (char *)NULL)
+ if (g->name)
{
size_t length = strlen(g->name)+1;
bfd_write((PTR)g->name, 1, length, abfd);
void
-DEFUN(sunos4_reclaim_symbol_table,(abfd),
+DEFUN(aout_reclaim_symbol_table,(abfd),
bfd *abfd)
{
}
\f
unsigned int
-sunos4_get_symtab_upper_bound (abfd)
+aout_get_symtab_upper_bound (abfd)
bfd *abfd;
{
- if (!sunos4_slurp_symbol_table (abfd)) return 0;
+ if (!aout_slurp_symbol_table (abfd)) return 0;
return (bfd_get_symcount (abfd)+1) * (sizeof (aout_symbol_type *));
}
unsigned int
-sunos4_get_symtab (abfd, location)
+aout_get_symtab (abfd, location)
bfd *abfd;
asymbol **location;
{
unsigned int counter = 0;
aout_symbol_type *symbase;
- if (!sunos4_slurp_symbol_table (abfd)) return 0;
+ if (!aout_slurp_symbol_table (abfd)) return 0;
for (symbase = obj_aout_symbols(abfd); counter++ < bfd_get_symcount (abfd);)
*(location++) = (asymbol *)( symbase++);
/* Output standard relocation information to a file in target byte order. */
void
-swap_std_reloc_out (abfd, p, natptr, count)
+swap_std_reloc_out (abfd, g, natptr)
bfd *abfd;
- arelent **p; /* Generic relocation struct */
+ arelent *g; /* Generic relocation struct */
struct reloc_std_bytes *natptr;
- unsigned int count;
{
int r_index;
int r_extern;
int r_pcrel;
int r_baserel, r_jmptable, r_relative;
unsigned int r_addend;
- unsigned int idx;
- for (idx = 0; idx < count; idx++, p++, natptr++)
- {
- arelent *g = *p;
- bfd_h_putlong (abfd, g->address, natptr->r_address);
- r_length = g->howto->size; /* Size as a power of two */
- r_pcrel = (int) g->howto->pc_relative; /* Relative to PC? */
- /* r_baserel, r_jmptable, r_relative??? FIXME-soon */
- r_baserel = 0;
- r_jmptable = 0;
- r_relative = 0;
+ bfd_h_putlong (abfd, g->address, natptr->r_address);
- r_addend = g->addend; /* Start here, see how it goes */
+ r_length = g->howto->size ; /* Size as a power of two */
+ r_pcrel = (int) g->howto->pc_relative; /* Relative to PC? */
+ /* r_baserel, r_jmptable, r_relative??? FIXME-soon */
+ r_baserel = 0;
+ r_jmptable = 0;
+ r_relative = 0;
- /* name was clobbered by sunos4_write_syms to be symbol index */
+ r_addend = g->addend; /* Start here, see how it goes */
- if (g->sym_ptr_ptr != NULL)
- {
- if ((*(g->sym_ptr_ptr))->section) {
- /* put the section offset into the addend for output */
- r_addend += (*(g->sym_ptr_ptr))->section->vma;
- }
+ /* name was clobbered by aout_write_syms to be symbol index */
- r_index = stoi((*(g->sym_ptr_ptr))->name);
- r_extern = 1;
- }
- else {
- r_extern = 0;
- if (g->section == NULL) {
- BFD_ASSERT(0);
- r_index = N_ABS | N_EXT;
- }
- else if(g->section->output_section == obj_textsec(abfd)) {
- r_index = N_TEXT | N_EXT;
- r_addend += g->section->output_section->vma;
- }
- else if (g->section->output_section == obj_datasec(abfd)) {
- r_index = N_DATA | N_EXT;
- r_addend += g->section->output_section->vma;
- }
- else if (g->section->output_section == obj_bsssec(abfd)) {
- r_index = N_BSS | N_EXT ;
- r_addend += g->section->output_section->vma;
- }
- else {
- BFD_ASSERT(0);
- }
- }
-
- /* now the fun stuff */
- if (abfd->xvec->header_byteorder_big_p != false) {
- natptr->r_index[0] = r_index >> 16;
- natptr->r_index[1] = r_index >> 8;
- natptr->r_index[2] = r_index;
- natptr->r_bits[0] =
- (r_extern? RELOC_STD_BITS_EXTERN_BIG: 0)
- | (r_pcrel? RELOC_STD_BITS_PCREL_BIG: 0)
- | (r_baserel? RELOC_STD_BITS_BASEREL_BIG: 0)
- | (r_jmptable? RELOC_STD_BITS_JMPTABLE_BIG: 0)
- | (r_relative? RELOC_STD_BITS_RELATIVE_BIG: 0)
- | (r_length << RELOC_STD_BITS_LENGTH_SH_BIG);
- } else {
- natptr->r_index[2] = r_index >> 16;
- natptr->r_index[1] = r_index >> 8;
- natptr->r_index[0] = r_index;
- natptr->r_bits[0] =
- (r_extern? RELOC_STD_BITS_EXTERN_LITTLE: 0)
- | (r_pcrel? RELOC_STD_BITS_PCREL_LITTLE: 0)
- | (r_baserel? RELOC_STD_BITS_BASEREL_LITTLE: 0)
- | (r_jmptable? RELOC_STD_BITS_JMPTABLE_LITTLE: 0)
- | (r_relative? RELOC_STD_BITS_RELATIVE_LITTLE: 0)
- | (r_length << RELOC_STD_BITS_LENGTH_SH_LITTLE);
+ if (g->sym_ptr_ptr != NULL)
+ {
+ if ((*(g->sym_ptr_ptr))->section) {
+ /* put the section offset into the addend for output */
+ r_addend += (*(g->sym_ptr_ptr))->section->vma;
}
-
+ r_index = stoi((*(g->sym_ptr_ptr))->name);
+ r_extern = 1;
+ }
+ else {
+ r_extern = 0;
+ if (g->section == NULL) {
+ /* It is possible to have a reloc with nothing, we generate an
+ abs + 0 */
+ r_addend = 0;
+ r_index = N_ABS | N_EXT;
+ }
+ else if(g->section->output_section == obj_textsec(abfd)) {
+ r_index = N_TEXT | N_EXT;
+ r_addend += g->section->output_section->vma;
+ }
+ else if (g->section->output_section == obj_datasec(abfd)) {
+ r_index = N_DATA | N_EXT;
+ r_addend += g->section->output_section->vma;
+ }
+ else if (g->section->output_section == obj_bsssec(abfd)) {
+ r_index = N_BSS | N_EXT ;
+ r_addend += g->section->output_section->vma;
+ }
+ else {
+ BFD_ASSERT(0);
}
+ }
+
+ /* now the fun stuff */
+ if (abfd->xvec->header_byteorder_big_p != false) {
+ natptr->r_index[0] = r_index >> 16;
+ natptr->r_index[1] = r_index >> 8;
+ natptr->r_index[2] = r_index;
+ natptr->r_bits[0] =
+ (r_extern? RELOC_STD_BITS_EXTERN_BIG: 0)
+ | (r_pcrel? RELOC_STD_BITS_PCREL_BIG: 0)
+ | (r_baserel? RELOC_STD_BITS_BASEREL_BIG: 0)
+ | (r_jmptable? RELOC_STD_BITS_JMPTABLE_BIG: 0)
+ | (r_relative? RELOC_STD_BITS_RELATIVE_BIG: 0)
+ | (r_length << RELOC_STD_BITS_LENGTH_SH_BIG);
+ } else {
+ natptr->r_index[2] = r_index >> 16;
+ natptr->r_index[1] = r_index >> 8;
+ natptr->r_index[0] = r_index;
+ natptr->r_bits[0] =
+ (r_extern? RELOC_STD_BITS_EXTERN_LITTLE: 0)
+ | (r_pcrel? RELOC_STD_BITS_PCREL_LITTLE: 0)
+ | (r_baserel? RELOC_STD_BITS_BASEREL_LITTLE: 0)
+ | (r_jmptable? RELOC_STD_BITS_JMPTABLE_LITTLE: 0)
+ | (r_relative? RELOC_STD_BITS_RELATIVE_LITTLE: 0)
+ | (r_length << RELOC_STD_BITS_LENGTH_SH_LITTLE);
+ }
}
/* Output extended relocation information to a file in target byte order. */
void
-swap_ext_reloc_out (abfd, p, natptr, count)
+swap_ext_reloc_out (abfd, g, natptr)
bfd *abfd;
- arelent **p; /* Generic relocation struct */
+ arelent *g; /* Generic relocation struct */
register struct reloc_ext_bytes *natptr;
- unsigned int count;
{
-
int r_index;
int r_extern;
unsigned int r_type;
unsigned int r_addend;
- unsigned int idx;
- for (idx = 0; idx < count; idx++, p++, natptr++) {
- arelent *g = *p;
- bfd_h_putlong (abfd, g->address, natptr->r_address);
+ bfd_h_putlong (abfd, g->address, natptr->r_address);
- /* Find a type in the output format which matches the input howto -
- at the moment we assume input format == output format FIXME!! */
- r_type = (enum reloc_type) g->howto->type;
+ /* Find a type in the output format which matches the input howto -
+ at the moment we assume input format == output format FIXME!! */
+ r_type = (enum reloc_type) g->howto->type;
- r_addend = g->addend; /* Start here, see how it goes */
+ r_addend = g->addend; /* Start here, see how it goes */
- /* name was clobbered by sunos4_write_syms to be symbol index*/
-
- if (g->sym_ptr_ptr != NULL)
- {
- if ((*(g->sym_ptr_ptr))->section) {
- /* put the section offset into the addend for output */
- r_addend += (*(g->sym_ptr_ptr))->section->vma;
- }
+ /* name was clobbered by aout_write_syms to be symbol index*/
- r_index = stoi((*(g->sym_ptr_ptr))->name);
- r_extern = 1;
- }
- else {
- r_extern = 0;
- if (g->section == NULL) {
- BFD_ASSERT(0);
- r_index = N_ABS | N_EXT;
- }
- else if(g->section->output_section == obj_textsec(abfd)) {
- r_index = N_TEXT | N_EXT;
- r_addend += g->section->output_section->vma;
- }
- else if (g->section->output_section == obj_datasec(abfd)) {
- r_index = N_DATA | N_EXT;
- r_addend += g->section->output_section->vma;
- }
- else if (g->section->output_section == obj_bsssec(abfd)) {
- r_index = N_BSS | N_EXT ;
- r_addend += g->section->output_section->vma;
- }
- else {
- BFD_ASSERT(0);
+ if (g->sym_ptr_ptr != NULL)
+ {
+ if ((*(g->sym_ptr_ptr))->section) {
+ /* put the section offset into the addend for output */
+ r_addend += (*(g->sym_ptr_ptr))->section->vma;
}
- }
- /* now the fun stuff */
- if (abfd->xvec->header_byteorder_big_p != false) {
- natptr->r_index[0] = r_index >> 16;
- natptr->r_index[1] = r_index >> 8;
- natptr->r_index[2] = r_index;
- natptr->r_bits[0] =
- (r_extern? RELOC_EXT_BITS_EXTERN_BIG: 0)
- || (r_type << RELOC_EXT_BITS_TYPE_SH_BIG);
- } else {
- natptr->r_index[2] = r_index >> 16;
- natptr->r_index[1] = r_index >> 8;
- natptr->r_index[0] = r_index;
- natptr->r_bits[0] =
- (r_extern? RELOC_EXT_BITS_EXTERN_LITTLE: 0)
- || (r_type << RELOC_EXT_BITS_TYPE_SH_LITTLE);
+ r_index = stoi((*(g->sym_ptr_ptr))->name);
+ r_extern = 1;
+ }
+ else {
+ r_extern = 0;
+ if (g->section == NULL) {
+ BFD_ASSERT(0);
+ r_index = N_ABS | N_EXT;
+ }
+ else if(g->section->output_section == obj_textsec(abfd)) {
+ r_index = N_TEXT | N_EXT;
+ r_addend += g->section->output_section->vma;
+ }
+ else if (g->section->output_section == obj_datasec(abfd)) {
+ r_index = N_DATA | N_EXT;
+ r_addend += g->section->output_section->vma;
}
+ else if (g->section->output_section == obj_bsssec(abfd)) {
+ r_index = N_BSS | N_EXT ;
+ r_addend += g->section->output_section->vma;
+ }
+ else {
+ BFD_ASSERT(0);
+ }
+ }
- bfd_h_putlong (abfd, r_addend, natptr->r_addend);
+ /* now the fun stuff */
+ if (abfd->xvec->header_byteorder_big_p != false) {
+ natptr->r_index[0] = r_index >> 16;
+ natptr->r_index[1] = r_index >> 8;
+ natptr->r_index[2] = r_index;
+ natptr->r_bits[0] =
+ (r_extern? RELOC_EXT_BITS_EXTERN_BIG: 0)
+ | (r_type << RELOC_EXT_BITS_TYPE_SH_BIG);
+ } else {
+ natptr->r_index[2] = r_index >> 16;
+ natptr->r_index[1] = r_index >> 8;
+ natptr->r_index[0] = r_index;
+ natptr->r_bits[0] =
+ (r_extern? RELOC_EXT_BITS_EXTERN_LITTLE: 0)
+ | (r_type << RELOC_EXT_BITS_TYPE_SH_LITTLE);
}
+
+ bfd_h_putlong (abfd, r_addend, natptr->r_addend);
}
+
#define MOVE_ADDRESS(ad) \
if (r_extern) { \
cache_ptr->sym_ptr_ptr = symbols + r_index; \
break; \
case N_ABS: \
case N_ABS | N_EXT: \
+ cache_ptr->section = NULL; /* No section */ \
+ cache_ptr->addend = ad; /* FIXME, is this right? */ \
BFD_ASSERT(1); \
break; \
default: \
+ cache_ptr->section = NULL; /* No section */ \
+ cache_ptr->addend = ad; /* FIXME, is this right? */ \
BFD_ASSERT(1); \
break; \
} \
int r_index;
int r_extern;
unsigned int r_type;
- struct sunexdata *su = (struct sunexdata *)(abfd->tdata);
+ struct aoutdata *su = (struct aoutdata *)(abfd->tdata);
cache_ptr->address = bfd_h_getlong (abfd, bytes->r_address);
cache_ptr->howto = howto_table_ext + r_type;
MOVE_ADDRESS(bfd_h_getlong(abfd,bytes->r_addend));
-
}
void
swap_std_reloc_in (abfd, bytes, cache_ptr, symbols)
bfd *abfd;
- struct reloc_std_bytes *bytes;
+ struct reloc_std_bytes *bytes;
arelent *cache_ptr;
asymbol **symbols;
{
unsigned int r_length;
int r_pcrel;
int r_baserel, r_jmptable, r_relative;
- struct sunexdata *su = (struct sunexdata *)(abfd->tdata);
+ struct aoutdata *su = (struct aoutdata *)(abfd->tdata);
+
cache_ptr->address = bfd_h_getlong (abfd, bytes->r_address);
/* now the fun stuff */
r_jmptable= (0 != (bytes->r_bits[0] & RELOC_STD_BITS_JMPTABLE_BIG));
r_relative= (0 != (bytes->r_bits[0] & RELOC_STD_BITS_RELATIVE_BIG));
r_length = (bytes->r_bits[0] & RELOC_STD_BITS_LENGTH_BIG)
- >> RELOC_STD_BITS_LENGTH_SH_BIG;
+ >> RELOC_STD_BITS_LENGTH_SH_BIG;
} else {
r_index = (bytes->r_index[2] << 16)
| (bytes->r_index[1] << 8)
r_jmptable= (0 != (bytes->r_bits[0] & RELOC_STD_BITS_JMPTABLE_LITTLE));
r_relative= (0 != (bytes->r_bits[0] & RELOC_STD_BITS_RELATIVE_LITTLE));
r_length = (bytes->r_bits[0] & RELOC_STD_BITS_LENGTH_LITTLE)
- >> RELOC_STD_BITS_LENGTH_SH_LITTLE;
+ >> RELOC_STD_BITS_LENGTH_SH_LITTLE;
}
cache_ptr->howto = howto_table_std + r_length + 4 * r_pcrel;
/* Reloc hackery */
boolean
-sunos4_slurp_reloc_table (abfd, asect, symbols)
+aout_slurp_reloc_table (abfd, asect, symbols)
bfd *abfd;
sec_ptr asect;
asymbol **symbols;
doit:
bfd_seek (abfd, asect->rel_filepos, SEEK_SET);
- each_size = reloc_size_func(abfd);
+ each_size = obj_reloc_entry_size (abfd);
count = reloc_size / each_size;
reloc_cache = (arelent *) bfd_zalloc (abfd, (size_t)(count * sizeof
(arelent)));
+ if (!reloc_cache) {
+nomem:
+ bfd_error = no_memory;
+ return false;
+ }
+
relocs = bfd_alloc (abfd, reloc_size);
+ if (!relocs) {
+ bfd_release (abfd, reloc_cache);
+ goto nomem;
+ }
- if (bfd_read ( relocs, 1, reloc_size, abfd) != reloc_size) {
+ if (bfd_read (relocs, 1, reloc_size, abfd) != reloc_size) {
+ bfd_release (abfd, relocs);
+ bfd_release (abfd, reloc_cache);
bfd_error = system_call_error;
return false;
}
- if (each_size == RELOC_EXT_SIZE)
- {
- register struct reloc_ext_bytes *rptr = (struct reloc_ext_bytes *) relocs;
- unsigned int counter = 0;
- arelent *cache_ptr = reloc_cache;
+ if (each_size == RELOC_EXT_SIZE) {
+ register struct reloc_ext_bytes *rptr = (struct reloc_ext_bytes *) relocs;
+ unsigned int counter = 0;
+ arelent *cache_ptr = reloc_cache;
- for (; counter < count; counter++, rptr++, cache_ptr++) {
- swap_ext_reloc_in(abfd, rptr, cache_ptr, symbols);
- }
+ for (; counter < count; counter++, rptr++, cache_ptr++) {
+ swap_ext_reloc_in(abfd, rptr, cache_ptr, symbols);
}
- else {
+ } else {
register struct reloc_std_bytes *rptr = (struct reloc_std_bytes *) relocs;
unsigned int counter = 0;
arelent *cache_ptr = reloc_cache;
}
}
-bfd_release (abfd,relocs);
+
+ bfd_release (abfd,relocs);
asect->relocation = reloc_cache;
asect->reloc_count = count;
return true;
/* Write out a relocation section into an object file. */
-static boolean
-sunos4_squirt_out_relocs (abfd, section)
+boolean
+aout_squirt_out_relocs (abfd, section)
bfd *abfd;
asection *section;
{
arelent **generic;
- unsigned char *native;
+ unsigned char *native, *natptr;
size_t each_size;
unsigned int count = section->reloc_count;
if (count == 0) return true;
- each_size = reloc_size_func(abfd);
+ each_size = obj_reloc_entry_size (abfd);
natsize = each_size * count;
native = (unsigned char *) bfd_zalloc (abfd, natsize);
if (!native) {
if (each_size == RELOC_EXT_SIZE)
{
- swap_ext_reloc_out (abfd,
- generic,
- (struct reloc_ext_bytes *)native,
- count);
+ for (natptr = native;
+ count != 0;
+ --count, natptr += each_size, ++generic)
+ swap_ext_reloc_out (abfd, *generic, (struct reloc_ext_bytes *)natptr);
}
else
{
- swap_std_reloc_out(abfd, generic, native, count);
+ for (natptr = native;
+ count != 0;
+ --count, natptr += each_size, ++generic)
+ swap_std_reloc_out(abfd, *generic, (struct reloc_std_bytes *)natptr);
}
if ( bfd_write ((PTR) native, 1, natsize, abfd) != natsize) {
/* This is stupid. This function should be a boolean predicate */
unsigned int
-sunos4_canonicalize_reloc (abfd, section, relptr, symbols)
+aout_canonicalize_reloc (abfd, section, relptr, symbols)
bfd *abfd;
sec_ptr section;
arelent **relptr;
arelent *tblptr = section->relocation;
unsigned int count;
- if (!(tblptr || sunos4_slurp_reloc_table (abfd, section, symbols)))
+ if (!(tblptr || aout_slurp_reloc_table (abfd, section, symbols)))
return 0;
if (section->flags & SEC_CONSTRUCTOR) {
}
unsigned int
-sunos4_get_reloc_upper_bound (abfd, asect)
+aout_get_reloc_upper_bound (abfd, asect)
bfd *abfd;
sec_ptr asect;
{
if (asect == obj_datasec (abfd))
return (sizeof (arelent *) *
- ((exec_hdr(abfd)->a_drsize / reloc_size_func(abfd))
+ ((exec_hdr(abfd)->a_drsize / obj_reloc_entry_size (abfd))
+1));
if (asect == obj_textsec (abfd))
return (sizeof (arelent *) *
- ((exec_hdr(abfd)->a_trsize / reloc_size_func(abfd))
+ ((exec_hdr(abfd)->a_trsize / obj_reloc_entry_size (abfd))
+1));
bfd_error = invalid_operation;
}
void
-sunos4_reclaim_reloc (ignore_abfd, section)
+aout_reclaim_reloc (ignore_abfd, ignore)
bfd *ignore_abfd;
- sec_ptr section;
+ sec_ptr ignore;
{
}
\f
alent *
-sunos4_get_lineno(ignore_abfd, ignore_symbol)
+aout_get_lineno(ignore_abfd, ignore_symbol)
bfd *ignore_abfd;
-PTR ignore_symbol;
+asymbol *ignore_symbol;
{
return (alent *)NULL;
}
void
-sunos4_print_symbol(ignore_abfd, file, symbol, how)
+aout_print_symbol(ignore_abfd, afile, symbol, how)
bfd *ignore_abfd;
-FILE *file;
+PTR afile;
asymbol *symbol;
bfd_print_symbol_enum_type how;
{
+ FILE *file = (FILE *)afile;
+
switch (how) {
case bfd_print_symbol_name_enum:
fprintf(file,"%s", symbol->name);
break;
case bfd_print_symbol_type_enum:
fprintf(file,"%4x %2x %2x",(unsigned)(aout_symbol(symbol)->desc & 0xffff),
- (unsigned)( aout_symbol(symbol)->other & 0xff),
+ (unsigned)(aout_symbol(symbol)->other & 0xff),
(unsigned)(aout_symbol(symbol)->type));
break;
case bfd_print_symbol_all_enum:
fprintf(file," %-5s %04x %02x %02x %s",
section_name,
(unsigned)(aout_symbol(symbol)->desc & 0xffff),
- (unsigned)(aout_symbol(symbol)->other & 0xff),
+ (unsigned)(aout_symbol(symbol)->other & 0xff),
(unsigned)(aout_symbol(symbol)->type & 0xff),
symbol->name);
}
break;
}
}
-/* Once we know all the stuff that could be consed, we know how to clean
- it up. So why don't we? */
-
-boolean
-sunos4_close_and_cleanup (abfd)
- bfd *abfd;
-{
- if (!bfd_read_p (abfd))
- switch (abfd->format) {
- case bfd_archive:
- if (!_bfd_write_archive_contents (abfd)) return false; break;
- case bfd_object:
- if (!sunos4_write_object_contents (abfd)) return false; break;
- default: bfd_error = invalid_operation; return false;
- }
-
- return true;
-}
/*
provided a bfd, a section and an offset into the section, calculate
*/
boolean
-DEFUN(sunos4_find_nearest_line,(abfd,
+DEFUN(aout_find_nearest_line,(abfd,
section,
symbols,
offset,
}
-static int
-DEFUN(sunos4_sizeof_headers,(abfd),
- bfd *abfd)
+int
+DEFUN(aout_sizeof_headers,(ignore_abfd),
+ bfd *ignore_abfd)
{
-return 0;
+ return 0; /* FIXME, this is the wrong value! */
}
-
-#define sunos4_openr_next_archived_file bfd_generic_openr_next_archived_file
-#define sunos4_generic_stat_arch_elt bfd_generic_stat_arch_elt
-#define sunos4_slurp_armap bfd_slurp_bsd_armap
-#define sunos4_slurp_extended_name_table bfd_true
-#define sunos4_write_armap bsd_write_armap
-#define sunos4_truncate_arname bfd_bsd_truncate_arname
-bfd_target aout_big_vec =
-{
- "a.out-generic-big", /* name */
- 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_getblong, _do_putblong, _do_getbshort, _do_putbshort, /* data */
- _do_getblong, _do_putblong, _do_getbshort, _do_putbshort, /* hdrs */
-
- {_bfd_dummy_target, sunos4_object_p,
- bfd_generic_archive_p, sunos4_core_file_p},
- {bfd_false, sunos4_mkobject,
- _bfd_generic_mkarchive, bfd_false},
-
- JUMP_TABLE(sunos4)
- };
-
-
-bfd_target aout_little_vec =
-{
- "a.out-generic-little", /* name */
- bfd_target_aout_flavour_enum,
- false, /* target byte order */
- false, /* 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_getllong, _do_putllong, _do_getlshort, _do_putlshort, /* data */
- _do_getllong, _do_putllong, _do_getlshort, _do_putlshort, /* hdrs */
-
-
- {_bfd_dummy_target, sunos4_object_p,
- bfd_generic_archive_p, sunos4_core_file_p},
- {bfd_false, sunos4_mkobject,
- _bfd_generic_mkarchive, bfd_false},
-
- JUMP_TABLE(sunos4)
- };
-
projects / deliverable / binutils-gdb.git / blobdiff