-/*** bfd backend for sunos binaries */
-/** a.out files */
+/* 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. */
-/* $Id$ */
#include <ansidecl.h>
-#include "sysdep.h"
+#include <sysdep.h>
#include "bfd.h"
#include "libbfd.h"
-#include "a.out.sun4.h"
#include "a.out.gnu.h"
#include "stab.gnu.h"
#include "ar.h"
bfd_error_vector_type bfd_error_vector;
-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);
}
+/* 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);
-
- 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;
-
- default:
- abfd->obj_arch = bfd_arch_obscure;
- break;
- }
-
bfd_get_start_address (abfd) = execp->a_entry;
+ obj_aout_symbols (abfd) = (aout_symbol_type *)NULL;
bfd_get_symcount (abfd) = execp->a_syms / sizeof (struct nlist);
- /* Remember the positions of the string table and symbol table. */
- obj_str_filepos (abfd) = N_STROFF (*execp);
- obj_sym_filepos (abfd) = N_SYMOFF (*execp);
+ /* 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;
+
+ /* 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_TRELOFF(*execp);
- obj_datasec (abfd)->rel_filepos = N_DRELOFF(*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;
}
- set_tdata (abfd, (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) {
- /* This is not strictly true, but will probably do for the default
- case. FIXME. */
- 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_TRELOFF(*execp)), false);
-
- if (!sunos4_squirt_out_relocs (abfd, obj_textsec (abfd))) return false;
- bfd_seek (abfd, (long)(N_DRELOFF(*execp)), false);
-
- if (!sunos4_squirt_out_relocs (abfd, obj_datasec (abfd))) return false;
- }
- return true;
-}
-\f
-/* 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;
- 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;
-}
-
-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;
{
return false;
}
- obj_textsec (abfd)->filepos = sizeof(struct exec);
- obj_datasec(abfd)->filepos = obj_textsec (abfd)->filepos
- + obj_textsec (abfd)->size;
+ 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);
+
+
}
/* 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)
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)
{
size_t symbol_size;
/* 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 */
void
-DEFUN(sunos4_write_syms,(abfd),
+DEFUN(aout_write_syms,(abfd),
bfd *abfd)
{
unsigned int count ;
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++);
r_addend = g->addend; /* Start here, see how it goes */
- /* name was clobbered by sunos4_write_syms to be symbol index */
+ /* name was clobbered by aout_write_syms to be symbol index */
if (g->sym_ptr_ptr != NULL)
{
r_addend = g->addend; /* Start here, see how it goes */
- /* name was clobbered by sunos4_write_syms to be symbol index*/
+ /* name was clobbered by aout_write_syms to be symbol index*/
if (g->sym_ptr_ptr != NULL)
{
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);
+ | (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_type << RELOC_EXT_BITS_TYPE_SH_LITTLE);
}
bfd_h_putlong (abfd, r_addend, natptr->r_addend);
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);
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);
/* 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;
/* 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;
{
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) {
/* 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, ignore)
+aout_reclaim_reloc (ignore_abfd, ignore)
bfd *ignore_abfd;
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;
}
}
-/* 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,(ignore_abfd),
+int
+DEFUN(aout_sizeof_headers,(ignore_abfd),
bfd *ignore_abfd)
{
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