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* bfd-in.h (bfd_get_cacheable, bfd_set_cacheable): New accessors.

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* bfd.c, opncls.c:  Improve comments on file descriptor cacheing.
This commit is contained in:
John Gilmore
1993-11-04 22:49:47 +00:00
parent 4ec8fed342
commit baf205c4f2
3 changed files with 110 additions and 29 deletions
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38
bfd/opncls.c
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@@ -34,7 +34,8 @@ FILE *bfd_open_file PARAMS ((bfd *));
/* Return a new BFD. All BFD's are allocated through this routine. */
bfd *new_bfd PARAMS ((void))
bfd *
new_bfd PARAMS ((void))
{
bfd *nbfd;
@@ -58,26 +59,27 @@ bfd *new_bfd PARAMS ((void))
nbfd->output_has_begun = false;
nbfd->section_count = 0;
nbfd->usrdata = (PTR)NULL;
nbfd->sections = (asection *)NULL;
nbfd->cacheable = false;
nbfd->flags = NO_FLAGS;
nbfd->mtime_set = false;
return nbfd;
}
/* Allocate a new BFD as a member of archive OBFD. */
bfd *new_bfd_contained_in(obfd)
bfd *obfd;
bfd *
new_bfd_contained_in (obfd)
bfd *obfd;
{
bfd *nbfd = new_bfd();
nbfd->xvec = obfd->xvec;
nbfd->my_archive = obfd;
nbfd->direction = read_direction;
nbfd->target_defaulted = obfd->target_defaulted;
return nbfd;
bfd *nbfd;
nbfd = new_bfd();
nbfd->xvec = obfd->xvec;
nbfd->my_archive = obfd;
nbfd->direction = read_direction;
nbfd->target_defaulted = obfd->target_defaulted;
return nbfd;
}
/*
@@ -158,8 +160,8 @@ DESCRIPTION
If the caller desires that this file descriptor be cached by BFD
(opened as needed, closed as needed to free descriptors for
other opens), with the supplied @var{fd} used as an initial
file descriptor (but subject to closure at any time), set
bfd->cacheable nonzero in the returned BFD. The default is to
file descriptor (but subject to closure at any time), call
bfd_set_cacheable(bfd, 1) on the returned BFD. The default is to
assume no cacheing; the file descriptor will remain open until
bfd_close, and will not be affected by BFD operations on other
files.
@@ -440,7 +442,7 @@ FUNCTION
bfd_create
SYNOPSIS
bfd *bfd_create(CONST char *filename, bfd *template);
bfd *bfd_create(CONST char *filename, bfd *templ);
DESCRIPTION
This routine creates a new BFD in the manner of
@@ -451,9 +453,9 @@ DESCRIPTION
*/
bfd *
DEFUN(bfd_create,(filename, template),
DEFUN(bfd_create,(filename, templ),
CONST char *filename AND
bfd *template)
bfd *templ)
{
bfd *nbfd = new_bfd();
if (nbfd == (bfd *)NULL) {
@@ -461,8 +463,8 @@ DEFUN(bfd_create,(filename, template),
return (bfd *)NULL;
}
nbfd->filename = filename;
if(template) {
nbfd->xvec = template->xvec;
if(templ) {
nbfd->xvec = templ->xvec;
}
nbfd->direction = no_direction;
bfd_set_format(nbfd, bfd_object);