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/* PowerPC asm definitions for GNU C.
Copyright (C) 2002, 2003, 2008, 2009 Free Software Foundation, Inc.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 3, or (at your option) any later
version.
GCC 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 General Public License
for more details.
Under Section 7 of GPL version 3, you are granted additional
permissions described in the GCC Runtime Library Exception, version
3.1, as published by the Free Software Foundation.
You should have received a copy of the GNU General Public License and
a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
<http://www.gnu.org/licenses/>. */
/* Under winnt, 1) gas supports the following as names and 2) in particular
defining "toc" breaks the FUNC_START macro as ".toc" becomes ".2" */
#define r0 0
#define sp 1
#define toc 2
#define r3 3
#define r4 4
#define r5 5
#define r6 6
#define r7 7
#define r8 8
#define r9 9
#define r10 10
#define r11 11
#define r12 12
#define r13 13
#define r14 14
#define r15 15
#define r16 16
#define r17 17
#define r18 18
#define r19 19
#define r20 20
#define r21 21
#define r22 22
#define r23 23
#define r24 24
#define r25 25
#define r26 26
#define r27 27
#define r28 28
#define r29 29
#define r30 30
#define r31 31
#define cr0 0
#define cr1 1
#define cr2 2
#define cr3 3
#define cr4 4
#define cr5 5
#define cr6 6
#define cr7 7
#define f0 0
#define f1 1
#define f2 2
#define f3 3
#define f4 4
#define f5 5
#define f6 6
#define f7 7
#define f8 8
#define f9 9
#define f10 10
#define f11 11
#define f12 12
#define f13 13
#define f14 14
#define f15 15
#define f16 16
#define f17 17
#define f18 18
#define f19 19
#define f20 20
#define f21 21
#define f22 22
#define f23 23
#define f24 24
#define f25 25
#define f26 26
#define f27 27
#define f28 28
#define f29 29
#define f30 30
#define f31 31
/*
* Macros to glue together two tokens.
*/
#ifdef __STDC__
#define XGLUE(a,b) a##b
#else
#define XGLUE(a,b) a/**/b
#endif
#define GLUE(a,b) XGLUE(a,b)
/*
* Macros to begin and end a function written in assembler. If -mcall-aixdesc
* or -mcall-nt, create a function descriptor with the given name, and create
* the real function with one or two leading periods respectively.
*/
#if defined (__powerpc64__)
#define FUNC_NAME(name) GLUE(.,name)
#define JUMP_TARGET(name) FUNC_NAME(name)
#define FUNC_START(name) \
.section ".opd","aw"; \
name: \
.quad GLUE(.,name); \
.quad .TOC.@tocbase; \
.quad 0; \
.previous; \
.type GLUE(.,name),@function; \
.globl name; \
.globl GLUE(.,name); \
GLUE(.,name):
#define HIDDEN_FUNC(name) \
FUNC_START(name) \
.hidden name; \
.hidden GLUE(.,name);
#define FUNC_END(name) \
GLUE(.L,name): \
.size GLUE(.,name),GLUE(.L,name)-GLUE(.,name)
#elif defined(_CALL_AIXDESC)
#ifdef _RELOCATABLE
#define DESC_SECTION ".got2"
#else
#define DESC_SECTION ".got1"
#endif
#define FUNC_NAME(name) GLUE(.,name)
#define JUMP_TARGET(name) FUNC_NAME(name)
#define FUNC_START(name) \
.section DESC_SECTION,"aw"; \
name: \
.long GLUE(.,name); \
.long _GLOBAL_OFFSET_TABLE_; \
.long 0; \
.previous; \
.type GLUE(.,name),@function; \
.globl name; \
.globl GLUE(.,name); \
GLUE(.,name):
#define HIDDEN_FUNC(name) \
FUNC_START(name) \
.hidden name; \
.hidden GLUE(.,name);
#define FUNC_END(name) \
GLUE(.L,name): \
.size GLUE(.,name),GLUE(.L,name)-GLUE(.,name)
#else
#define FUNC_NAME(name) GLUE(__USER_LABEL_PREFIX__,name)
#if defined __PIC__ || defined __pic__
#define JUMP_TARGET(name) FUNC_NAME(name@plt)
#else
#define JUMP_TARGET(name) FUNC_NAME(name)
#endif
#define FUNC_START(name) \
.type FUNC_NAME(name),@function; \
.globl FUNC_NAME(name); \
FUNC_NAME(name):
#define HIDDEN_FUNC(name) \
FUNC_START(name) \
.hidden FUNC_NAME(name);
#define FUNC_END(name) \
GLUE(.L,name): \
.size FUNC_NAME(name),GLUE(.L,name)-FUNC_NAME(name)
#endif
#ifdef IN_GCC
/* For HAVE_GAS_CFI_DIRECTIVE. */
#include "auto-host.h"
#ifdef HAVE_GAS_CFI_DIRECTIVE
# define CFI_STARTPROC .cfi_startproc
# define CFI_ENDPROC .cfi_endproc
# define CFI_OFFSET(reg, off) .cfi_offset reg, off
# define CFI_DEF_CFA_REGISTER(reg) .cfi_def_cfa_register reg
# define CFI_RESTORE(reg) .cfi_restore reg
#else
# define CFI_STARTPROC
# define CFI_ENDPROC
# define CFI_OFFSET(reg, off)
# define CFI_DEF_CFA_REGISTER(reg)
# define CFI_RESTORE(reg)
#endif
#endif
#if defined __linux__ && !defined __powerpc64__
.section .note.GNU-stack
.previous
#endif
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