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Tue Apr 12 18:25:13 1994 Stan Shebs (shebs@andros.cygnus.com)

Browse Source 
* subsegs.c (subsegs_begin): Call memset with args in the correct
	order.
	(subseg_get): Clear newly allocated seginfo, set its pointer slots
	to NULL instead of 0.

Fixes a problem observed in sparc-lynx progressive.
This commit is contained in:
Stan Shebs 1994-04-13 02:02:48 +00:00
parent 41194a4a59
commit cc886e3d1e
2 changed files with 36 additions and 18 deletions
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7
gas/ChangeLog
View File

@ -1,3 +1,10 @@
Tue Apr 12 18:25:13 1994 Stan Shebs (shebs@andros.cygnus.com)
* subsegs.c (subsegs_begin): Call memset with args in the correct
order.
(subseg_get): Clear newly allocated seginfo, set its pointer slots
to NULL instead of 0.
Mon Apr 11 09:00:57 1994 Jeffrey A. Law (law@snake.cs.utah.edu)
* config/tc-hppa.c (pa_procend): Handle case where label was

47
gas/subsegs.c
View File

@ -1,5 +1,6 @@
/* subsegs.c - subsegments -
Copyright (C) 1987, 1990, 1991, 1992 Free Software Foundation, Inc.
Copyright (C) 1987, 1990, 1991, 1992, 1993, 1994
Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler.
@ -85,7 +86,7 @@ subsegs_begin ()
/* Fake up 1st frag. It won't be used=> is ok if obstack...
pads the end of it for alignment. */
frag_now = (fragS *) obstack_alloc (&frags, SIZEOF_STRUCT_FRAG);
memset (frag_now, SIZEOF_STRUCT_FRAG, 0);
memset (frag_now, 0, SIZEOF_STRUCT_FRAG);
#ifndef BFD_ASSEMBLER
/* This 1st frag will not be in any frchain.
@ -140,7 +141,6 @@ subseg_change (seg, subseg)
if (! seginfo)
abort ();
seginfo->fix_root = 0;
seginfo->fix_tail = 0;
seginfo->bfd_section = seg;
seginfo->sym = 0;
bfd_set_section_userdata (stdoutput, seg, (char *) seginfo);
@ -249,7 +249,7 @@ subseg_set_rest (seg, subseg)
* This should be the only code that creates a frchainS.
*/
newP = (frchainS *) obstack_alloc (&frags, sizeof (frchainS));
memset (newP, sizeof (frchainS), 0);
memset (newP, 0, sizeof (frchainS));
/* This begines on a good boundary because a obstack_done()
preceeded it. It implies an obstack_done(), so we expect
the next object allocated to begin on a correct boundary. */
@ -258,6 +258,10 @@ subseg_set_rest (seg, subseg)
(frcP = newP)->frch_subseg = subseg;
newP->frch_seg = seg;
newP->frch_last = NULL;
#ifdef BFD_ASSEMBLER
newP->fix_root = NULL;
newP->fix_tail = NULL;
#endif
}
/*
* Here with frcP ->ing to the frchainS for subseg.
@ -400,17 +404,14 @@ subseg_get (segname, force_new)
{
secptr->output_section = secptr;
seginfo = (segment_info_type *) xmalloc (sizeof (*seginfo));
seginfo->fix_root = 0;
seginfo->fix_tail = 0;
memset ((char *) seginfo, 0, sizeof(seginfo));
seginfo->fix_root = NULL;
seginfo->bfd_section = secptr;
bfd_set_section_userdata (stdoutput, secptr, (char *) seginfo);
seginfo->frchainP = 0;
seginfo->lineno_list_head = seginfo->lineno_list_tail = 0;
seginfo->sym = 0;
seginfo->dot = 0;
seginfo->hadone = 0;
seginfo->user_stuff = 0;
seginfo->stabu.stab_string_size = 0;
seginfo->frchainP = NULL;
seginfo->lineno_list_head = seginfo->lineno_list_tail = NULL;
seginfo->sym = NULL;
seginfo->dot = NULL;
}
return secptr;
}
@ -458,23 +459,33 @@ subseg_set (secptr, subseg)
subseg_set_rest (secptr, subseg);
}
#ifndef obj_sec_sym_ok_for_reloc
#define obj_sec_sym_ok_for_reloc(SEC) 0
#endif
symbolS *
section_symbol (sec)
segT sec;
{
segment_info_type *seginfo = seg_info (sec);
symbolS *s;
if (seginfo == 0)
abort ();
if (seginfo->sym)
return seginfo->sym;
seginfo->sym = symbol_find (sec->name);
if (!seginfo->sym)
s = symbol_find (sec->name);
if (!s)
{
seginfo->sym = symbol_make (sec->name);
seginfo->sym->bsym = sec->symbol;
s = symbol_new (sec->name, sec, 0, &zero_address_frag);
S_CLEAR_EXTERNAL (s);
/* Use the BFD section symbol, if possible. */
if (obj_sec_sym_ok_for_reloc (sec))
s->bsym = sec->symbol;
}
return seginfo->sym;
seginfo->sym = s;
return s;
}
#endif /* BFD_ASSEMBLER */