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* hosts/h-amix.h (free): Fix prototype.

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* aoutx.h:  Don't use NULL as an integer, for braindead systems
that declare it as (void *)0.  (From Peter Schauer.)
This commit is contained in:
John Gilmore 1991-10-15 23:41:17 +00:00
parent afe4ca159b
commit 7b02b4ed6f
2 changed files with 74 additions and 50 deletions
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9
bfd/ChangeLog
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@ -1,5 +1,14 @@
Tue Oct 15 08:29:03 1991 John Gilmore (gnu at cygnus.com)
* hosts/h-amix.h (free): Fix prototype.
* aoutx.h: Don't use NULL as an integer, for braindead systems
that declare it as (void *)0. (From Peter Schauer.)
Mon Oct 14 17:20:47 1991 Per Bothner (bothner at cygnus.com)
* opncls.c (bfd_fdopenr): Add parentheses to avoid reported
problem with bad Ultrix system headers.
* aoutx.h (NAME(aout,set_section_contents)): Try to handle the
various kinds of alignments for the various kinds of
magic numbers.

115
bfd/aoutx.h
View File

@ -32,8 +32,9 @@ functions support for sun3, sun4, 386 and 29k a.out files, to create a
target jump vector for a specific target.
This information is further split out into more specific files for each
machine, including @code{sunos.c} - for sun3 and sun4 and
@code{demo64} for a demonstration of a 64 bit a.out format.
machine, including @code{sunos.c} for sun3 and sun4, @code{newsos3.c} for
the Sony NEWS, and @code{demo64.c} for a demonstration of a 64 bit a.out
format.
The base file @code{aoutx.h} defines general mechanisms for reading
and writing records to and from disk, and various other methods which
@ -263,36 +264,23 @@ function just before returning, to handle any last-minute setup.
*/
bfd_target *
DEFUN(NAME(aout,some_aout_object_p),(abfd, callback_to_real_object_p),
DEFUN(NAME(aout,some_aout_object_p),(abfd, execp, callback_to_real_object_p),
bfd *abfd AND
struct internal_exec *execp AND
bfd_target *(*callback_to_real_object_p) ())
{
struct external_exec exec_bytes;
struct internal_exec *execp;
struct container *rawptr;
if (bfd_seek (abfd, 0L, false) < 0) {
bfd_error = system_call_error;
return 0;
}
if (bfd_read ((PTR) &exec_bytes, 1, EXEC_BYTES_SIZE, abfd)
!= EXEC_BYTES_SIZE) {
bfd_error = wrong_format;
return 0;
}
/* Use an intermediate variable for clarity */
rawptr = (struct container *) bfd_zalloc (abfd, sizeof (struct container));
if (rawptr == NULL) {
bfd_error = no_memory;
return 0;
}
set_tdata (abfd, rawptr);
exec_hdr (abfd) = execp = &(rawptr->e);
NAME(aout,swap_exec_header_in)(abfd, &exec_bytes, execp);
set_tdata (abfd, &rawptr->a);
exec_hdr (abfd) = &rawptr->e;
*exec_hdr (abfd) = *execp; /* Copy in the internal_exec struct */
execp = exec_hdr (abfd); /* Switch to using the newly malloc'd one */
/* Set the file flags */
abfd->flags = NO_FLAGS;
@ -319,6 +307,9 @@ DEFUN(NAME(aout,some_aout_object_p),(abfd, callback_to_real_object_p),
/* The default relocation entry size is that of traditional V7 Unix. */
obj_reloc_entry_size (abfd) = RELOC_STD_SIZE;
/* The default symbol entry size is that of traditional Unix. */
obj_symbol_entry_size (abfd) = EXTERNAL_NLIST_SIZE;
/* create the sections. This is raunchy, but bfd_close wants to reclaim
them */
obj_textsec (abfd) = (asection *)NULL;
@ -336,17 +327,12 @@ DEFUN(NAME(aout,some_aout_object_p),(abfd, callback_to_real_object_p),
obj_bsssec (abfd)->size = execp->a_bss;
obj_textsec (abfd)->size = execp->a_text;
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));
(SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_HAS_CONTENTS) :
(SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS));
obj_datasec (abfd)->flags = (execp->a_drsize != 0 ?
(SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_HAS_CONTENTS) :
(SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS));
(SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_HAS_CONTENTS) :
(SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS));
obj_bsssec (abfd)->flags = SEC_ALLOC;
#ifdef THIS_IS_ONLY_DOCUMENTATION
@ -395,6 +381,10 @@ DEFUN(NAME(aout,some_aout_object_p),(abfd, callback_to_real_object_p),
obj_reloc_entry_size (abfd) = RELOC_STD_SIZE;
}
adata(abfd)->page_size = PAGE_SIZE;
adata(abfd)->segment_size = SEGMENT_SIZE;
adata(abfd)->exec_bytes_size = EXEC_BYTES_SIZE;
return abfd->xvec;
/* The architecture is encoded in various ways in various a.out variants,
@ -577,6 +567,10 @@ boolean
file_ptr offset AND
bfd_size_type count)
{
file_ptr text_end;
bfd_size_type text_header_size; /* exec_bytes_size if if included in
text size. */
bfd_size_type text_size;
if (abfd->output_has_begun == false)
{ /* set by bfd.c handler */
switch (abfd->direction)
@ -595,17 +589,43 @@ boolean
bfd_error = invalid_operation;
return false;
}
/*if (abfd->flags & D_PAGED) {
obj_textsec(abfd)->filepos = 0;
obj_textsec(abfd)->size =
align_power(obj_textsec(abfd)->size,
obj_textsec(abfd)->alignment_power);
text_size = obj_textsec (abfd)->size;
/* Rule (heuristic) for when to pad to a new page.
* Note that there are (at least) two ways demand-paged
* (ZMAGIC) files have been handled. Most Berkeley-based systems
* start the text segment at (PAGE_SIZE). However, newer
* versions of SUNOS start the text segment right after the
* exec header; the latter is counted in the text segment size,
* and is paged in by the kernel with the rest of the text. */
if (!(abfd->flags & D_PAGED))
{ /* Not demand-paged. */
obj_textsec(abfd)->filepos = adata(abfd)->exec_bytes_size;
}
else if (obj_textsec(abfd)->vma % adata(abfd)->page_size
< adata(abfd)->exec_bytes_size)
{ /* Old-style demand-paged. */
obj_textsec(abfd)->filepos = adata(abfd)->page_size;
}
else
{ /* Sunos-style demand-paged. */
obj_textsec(abfd)->filepos = adata(abfd)->exec_bytes_size;
text_size += adata(abfd)->exec_bytes_size;
}
text_end = obj_textsec(abfd)->size + obj_textsec(abfd)->filepos;
if (abfd->flags & (D_PAGED|WP_TEXT))
{
bfd_size_type text_pad =
ALIGN(text_size, adata(abfd)->segment_size) - text_size;
text_end += text_pad;
obj_textsec(abfd)->size += text_pad;
}
else*/ {
obj_textsec(abfd)->filepos = EXEC_BYTES_SIZE;
}
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);
obj_datasec(abfd)->filepos = text_end;
obj_datasec(abfd)->size =
align_power(obj_datasec(abfd)->size,
obj_datasec(abfd)->alignment_power);
}
}
@ -983,7 +1003,6 @@ DEFUN(NAME(aout,write_syms),(abfd),
asymbol *g = generic[count];
struct external_nlist nsp;
if (g->name) {
unsigned int length = strlen(g->name) +1;
PUT_WORD (abfd, stindex, (unsigned char *)nsp.e_strx);
@ -1005,18 +1024,14 @@ DEFUN(NAME(aout,write_syms),(abfd),
bfd_h_put_8(abfd, 0, nsp.e_other);
bfd_h_put_8(abfd, 0, nsp.e_type);
}
translate_to_native_sym_flags (&nsp, g, abfd);
bfd_write((PTR)&nsp,1,EXTERNAL_LIST_SIZE, abfd);
bfd_write((PTR)&nsp,1,EXTERNAL_NLIST_SIZE, abfd);
}
/* Now output the strings. Be sure to put string length into correct
* byte ordering before writing it.
*/
byte ordering before writing it. */
{
char buffer[BYTES_IN_WORD];
PUT_WORD (abfd, stindex, (unsigned char *)buffer);
@ -1669,7 +1684,7 @@ DEFUN(NAME(aout,find_nearest_line),(abfd,
buffer[sizeof(buffer)-1] = 0;
/* Have to remove : stuff */
p = strchr(buffer,':');
if (p != NULL) { *p = NULL; }
if (p != NULL) { *p = '\0'; }
*functionname_ptr = buffer;
return true;