2000-03-21 01:22:27 +00:00
|
|
|
/* Copyright (C) 1999, 2000 Free Software Foundation, Inc.
|
|
|
|
|
This file is part of the GNU C Library.
|
|
|
|
|
|
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
|
|
|
modify it under the terms of the GNU Library General Public License as
|
|
|
|
|
published by the Free Software Foundation; either version 2 of the
|
|
|
|
|
License, or (at your option) any later version.
|
|
|
|
|
|
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
|
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
|
|
|
Library General Public License for more details.
|
|
|
|
|
|
|
|
|
|
You should have received a copy of the GNU Library General Public
|
|
|
|
|
License along with the GNU C Library; see the file COPYING.LIB. If not,
|
|
|
|
|
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
|
|
|
Boston, MA 02111-1307, USA. */
|
|
|
|
|
|
|
|
|
|
#include <sysdeps/unix/powerpc/sysdep.h>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* This seems to always be the case on PPC. */
|
|
|
|
|
#define ALIGNARG(log2) log2
|
|
|
|
|
|
|
|
|
|
/* How to define local lables. */
|
|
|
|
|
#define L(name) L..##name
|
|
|
|
|
|
|
|
|
|
/* Label in text section. */
|
|
|
|
|
#define C_TEXT(name) .##name
|
|
|
|
|
|
|
|
|
|
/* Function descriptor. */
|
|
|
|
|
#define FUNCDESC(real, code) \
|
|
|
|
|
.toc; \
|
|
|
|
|
.csect real##[DS], 3; \
|
|
|
|
|
.globl real; \
|
|
|
|
|
real: \
|
|
|
|
|
.long code, TOC[tc0], 0;
|
|
|
|
|
|
|
|
|
|
/* Code to generate function entry code. */
|
|
|
|
|
#define ENTRY(name) \
|
|
|
|
|
FUNCDESC (name, C_TEXT (name)) \
|
|
|
|
|
.csect .text[PR], 2; \
|
|
|
|
|
.globl C_TEXT (name); \
|
|
|
|
|
C_TEXT (name):
|
|
|
|
|
|
|
|
|
|
/* XXX For now we don't define any code. */
|
|
|
|
|
#define CALL_MCOUNT
|
|
|
|
|
|
|
|
|
|
#define EALIGN_W_0 /* No words to insert. */
|
|
|
|
|
#define EALIGN_W_1 nop
|
|
|
|
|
#define EALIGN_W_2 nop;nop
|
|
|
|
|
#define EALIGN_W_3 nop;nop;nop
|
|
|
|
|
#define EALIGN_W_4 EALIGN_W_3;nop
|
|
|
|
|
#define EALIGN_W_5 EALIGN_W_4;nop
|
|
|
|
|
#define EALIGN_W_6 EALIGN_W_5;nop
|
|
|
|
|
#define EALIGN_W_7 EALIGN_W_6;nop
|
|
|
|
|
|
|
|
|
|
/* EALIGN is like ENTRY, but does alignment to 'words'*4 bytes
|
|
|
|
|
past a 2^align boundary. */
|
|
|
|
|
#ifdef PROF
|
|
|
|
|
#define EALIGN(name, alignt, words) \
|
|
|
|
|
FUNCDESC (name, C_TEXT (name)) \
|
|
|
|
|
.csect .text[PR], 2; \
|
|
|
|
|
.align ALIGNARG(2); \
|
|
|
|
|
.globl C_TEXT (name); \
|
|
|
|
|
C_TEXT (name): \
|
|
|
|
|
CALL_MCOUNT \
|
|
|
|
|
b L(align_0); \
|
|
|
|
|
.align ALIGNARG(alignt); \
|
|
|
|
|
EALIGN_W_##words; \
|
|
|
|
|
L(align_0):
|
|
|
|
|
#else /* PROF */
|
|
|
|
|
#define EALIGN(name, alignt, words) \
|
|
|
|
|
FUNCDESC (name, C_TEXT (name)) \
|
|
|
|
|
.csect .text[PR], 2; \
|
|
|
|
|
.align ALIGNARG(alignt); \
|
|
|
|
|
EALIGN_W_##words; \
|
|
|
|
|
.globl C_TEXT (name); \
|
|
|
|
|
C_TEXT (name):
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
/* No special end code for now. We will eventually add to usual prolog
|
|
|
|
|
with function length etc. */
|
|
|
|
|
#define END(name)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* Jumping to another function. We are jumping to the TOC entry. */
|
2000-12-05 04:00:48 +00:00
|
|
|
#define JUMPTARGET(name) C_TEXT (name)
|
