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Diffstat (limited to 'ports/sysdeps/m68k/asm-syntax.h')
-rw-r--r--ports/sysdeps/m68k/asm-syntax.h91
1 files changed, 91 insertions, 0 deletions
diff --git a/ports/sysdeps/m68k/asm-syntax.h b/ports/sysdeps/m68k/asm-syntax.h
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+++ b/ports/sysdeps/m68k/asm-syntax.h
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+/* Definitions for 68k syntax variations.
+ Copyright (C) 1992, 1994, 1996, 1997, 2012 Free Software Foundation, Inc.
+ This file is part of the GNU C Library. Its master source is NOT part of
+ the C library, however. The master source lives in the GNU MP Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+/* ELF uses byte-counts for .align, most others use log2 of count of bytes. */
+#define ALIGNARG(log2) 1<<log2
+/* For ELF we need the `.type' directive to make shared libs work right. */
+#define PROLOG(name) .type name,@function
+#define EPILOG(name) .size name,.-name
+/* For ELF we need to prefix register names and local labels. */
+#define R_(r) %##r
+#define R(r) R_(r)
+#define L(label) .##label
+
+#ifdef MIT_SYNTAX
+#define MEM(base)R(base)@
+#define MEM_DISP(base,displacement)R(base)@(displacement)
+#define MEM_INDX(base,idx,size_suffix)R(base)@(R(idx):size_suffix)
+#define MEM_INDX1(base,idx,size_suffix,scale)R(base)@(R(idx):size_suffix:scale)
+#define MEM_PREDEC(memory_base)R(memory_base)@-
+#define MEM_POSTINC(memory_base)R(memory_base)@+
+#define TEXT .text
+#define ALIGN .even
+#define GLOBL .globl
+/* Use variable sized opcodes. */
+#define bcc jcc
+#define bcs jcs
+#define bls jls
+#define beq jeq
+#define bne jne
+#define bra jra
+#endif
+
+#ifdef MOTOROLA_SYNTAX
+#define MEM(base)(R(base))
+#define MEM_DISP(base,displacement)(displacement,R(base))
+#define MEM_PREDEC(memory_base)-(R(memory_base))
+#define MEM_POSTINC(memory_base)(R(memory_base))+
+#define MEM_INDX_(base,idx,size_suffix)(R(base),R(idx##.##size_suffix))
+#define MEM_INDX(base,idx,size_suffix)MEM_INDX_(base,idx,size_suffix)
+#define MEM_INDX1_(base,idx,size_suffix,scale)(R(base),R(idx##.##size_suffix*scale))
+#define MEM_INDX1(base,idx,size_suffix,scale)MEM_INDX1_(base,idx,size_suffix,scale)
+#define TEXT .text
+#define ALIGN .align ALIGNARG(2)
+#define GLOBL .globl
+#define bcc jbcc
+#define bcs jbcs
+#define bls jbls
+#define beq jbeq
+#define bne jbne
+#define bra jbra
+#define movel move.l
+#define moveml movem.l
+#define moveql moveq.l
+#define cmpl cmp.l
+#define orl or.l
+#define clrl clr.l
+#define andw and.w
+#define eorw eor.w
+#define andl and.l
+#define lsrl lsr.l
+#define lsll lsl.l
+#define roxrl roxr.l
+#define roxll roxl.l
+#define addl add.l
+#define addxl addx.l
+#define addql addq.l
+#define subl sub.l
+#define subxl subx.l
+#define subqw subq.w
+#define subql subq.l
+#define negl neg.l
+#define mulul mulu.l
+#define tstw tst.w
+#define tstl tst.l
+#endif