AIX sysdep specific low-level interfact definitions..

diff --git a/sysdeps/unix/sysv/aix/sysdep.h b/sysdeps/unix/sysv/aix/sysdep.h
new file mode 100644 (file)
index 0000000..182e324
--- /dev/null
+++ b/sysdeps/unix/sysv/aix/sysdep.h
@@ -0,0 +1,88 @@
+/* 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.  */
+#define JUMPTARGET(name) name