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* config/tc-hppa.c (md_pseudo_table): Add entries for

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"begin_brtab" and "end_brtab" pseudo-ops.
	(pa_brtab): New function.
	(tc_gen_reloc, SOM version): Handle R_BEGIN_BRTAB and R_END_BRTAB.
	(hppa_force_relocation): Force relocations for BRTAB fixups
	when OBJ_SOM is defined.

More infrastructure for PA optimziations.
This commit is contained in:
Jeff Law 1995-08-13 06:39:39 +00:00
parent 407f52c1a2
commit 5ae218df2a
2 changed files with 38 additions and 1 deletions
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9
gas/ChangeLog
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@ -1,3 +1,12 @@
Sun Aug 13 00:35:02 1995 Jeff Law (law@snake.cs.utah.edu)
* config/tc-hppa.c (md_pseudo_table): Add entries for
"begin_brtab" and "end_brtab" pseudo-ops.
(pa_brtab): New function.
(tc_gen_reloc, SOM version): Handle R_BEGIN_BRTAB and R_END_BRTAB.
(hppa_force_relocation): Force relocations for BRTAB fixups
when OBJ_SOM is defined.
Fri Aug 11 20:34:05 1995 Ken Raeburn <raeburn@kr-laptop.cygnus.com>
* Makefile.in (TE_OBJS): Add empty definition.

30
gas/config/tc-hppa.c
View File

@ -15,7 +15,7 @@
You should have received a copy of the GNU General Public License
along with GAS; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/* HP PA-RISC support was contributed by the Center for Software Science
@ -475,6 +475,7 @@ static int pa_parse_neg_add_cmpltr PARAMS ((char **, int));
static int pa_parse_nonneg_add_cmpltr PARAMS ((char **, int));
static void pa_align PARAMS ((int));
static void pa_block PARAMS ((int));
static void pa_brtab PARAMS ((int));
static void pa_call PARAMS ((int));
static void pa_call_args PARAMS ((struct call_desc *));
static void pa_callinfo PARAMS ((int));
@ -582,6 +583,7 @@ const pseudo_typeS md_pseudo_table[] =
/* align pseudo-ops on the PA specify the actual alignment requested,
not the log2 of the requested alignment. */
{"align", pa_align, 8},
{"begin_brtab", pa_brtab, 1},
{"block", pa_block, 1},
{"blockz", pa_block, 0},
{"byte", pa_cons, 1},
@ -593,6 +595,7 @@ const pseudo_typeS md_pseudo_table[] =
{"data", pa_data, 0},
{"double", pa_float_cons, 'd'},
{"end", pa_end, 0},
{"end_brtab", pa_brtab, 0},
{"enter", pa_enter, 0},
{"entry", pa_entry, 0},
{"equ", pa_equ, 0},
@ -2741,6 +2744,8 @@ tc_gen_reloc (section, fixp)
case R_FSEL:
case R_LSEL:
case R_RSEL:
case R_BEGIN_BRTAB:
case R_END_BRTAB:
/* There is no symbol or addend associated with these fixups. */
relocs[i]->sym_ptr_ptr = &dummy_symbol->bsym;
relocs[i]->addend = 0;
@ -4008,6 +4013,27 @@ pa_block (z)
demand_empty_rest_of_line ();
}
/* Handle a .begin_brtab and .end_brtab pseudo-op. */
static void
pa_brtab (begin)
int begin;
{
#ifdef OBJ_SOM
/* The BRTAB relocations are only availble in SOM (to denote
the beginning and end of branch tables). */
char *where = frag_more (0);
fix_new_hppa (frag_now, where - frag_now->fr_literal, 0,
NULL, (offsetT) 0, NULL,
0, begin ? R_HPPA_BEGIN_BRTAB : R_HPPA_END_BRTAB,
e_fsel, 0, 0, NULL);
#endif
demand_empty_rest_of_line ();
}
/* Handle a .CALL pseudo-op. This involves storing away information
about where arguments are to be found so the linker can detect
(and correct) argument location mismatches between caller and callee. */
@ -6284,6 +6310,8 @@ hppa_force_relocation (fixp)
hppa_fixp = (struct hppa_fix_struct *) fixp->tc_fix_data;
#ifdef OBJ_SOM
if (fixp->fx_r_type == R_HPPA_ENTRY || fixp->fx_r_type == R_HPPA_EXIT
|| fixp->fx_r_type == R_HPPA_BEGIN_BRTAB
|| fixp->fx_r_type == R_HPPA_END_BRTAB
|| (fixp->fx_addsy != NULL && fixp->fx_subsy != NULL
&& (hppa_fixp->segment->flags & SEC_CODE) != 0))
return 1;