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-rw-r--r--sysdeps/m68k/m68020/add_n.S76
-rw-r--r--sysdeps/m68k/m68020/asm-syntax.h105
-rw-r--r--sysdeps/m68k/m68020/sub_n.S76
-rw-r--r--sysdeps/unix/sysv/linux/m68k/Makefile3
-rw-r--r--sysdeps/unix/sysv/linux/m68k/sysdep.h34
5 files changed, 35 insertions, 259 deletions
diff --git a/sysdeps/m68k/m68020/add_n.S b/sysdeps/m68k/m68020/add_n.S
deleted file mode 100644
index ea7a4458ea..0000000000
--- a/sysdeps/m68k/m68020/add_n.S
+++ /dev/null
@@ -1,76 +0,0 @@
-/* mc68020 __mpn_add_n -- Add two limb vectors of the same length > 0 and store
-   sum in a third limb vector.
-
-Copyright (C) 1992, 1994 Free Software Foundation, Inc.
-
-This file is part of the GNU MP Library.
-
-The GNU MP 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 MP 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 MP Library; see the file COPYING.LIB.  If not, write to
-the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
-
-/*
-  INPUT PARAMETERS
-  res_ptr	(sp + 4)
-  s1_ptr	(sp + 8)
-  s2_ptr	(sp + 16)
-  size		(sp + 12)
-*/
-
-#include "asm-syntax.h"
-
-	TEXT
-	ALIGN
-	GLOBL	___mpn_add_n
-
-LAB(___mpn_add_n)
-/* Save used registers on the stack.  */
-	INSN2(move,l	,MEM_PREDEC(sp),d2)
-	INSN2(move,l	,MEM_PREDEC(sp),a2)
-
-/* Copy the arguments to registers.  Better use movem?  */
-	INSN2(move,l	,a2,MEM_DISP(sp,12))
-	INSN2(move,l	,a0,MEM_DISP(sp,16))
-	INSN2(move,l	,a1,MEM_DISP(sp,20))
-	INSN2(move,l	,d2,MEM_DISP(sp,24))
-
-	INSN2(eor,w	,d2,#1)
-	INSN2(lsr,l	,d2,#1)
-	bcc L1
-	INSN2(subq,l	,d2,#1)		/* clears cy as side effect */
-
-LAB(Loop)
-	INSN2(move,l	,d0,MEM_POSTINC(a0))
-	INSN2(move,l	,d1,MEM_POSTINC(a1))
-	INSN2(addx,l	,d0,d1)
-	INSN2(move,l	,MEM_POSTINC(a2),d0)
-LAB(L1)	INSN2(move,l	,d0,MEM_POSTINC(a0))
-	INSN2(move,l	,d1,MEM_POSTINC(a1))
-	INSN2(addx,l	,d0,d1)
-	INSN2(move,l	,MEM_POSTINC(a2),d0)
-
-	dbf d2,Loop			/* loop until 16 lsb of %4 == -1 */
-	INSN2(subx,l	,d0,d0)		/* d0 <= -cy; save cy as 0 or -1 in d0 */
-	INSN2(sub,l	,d2,#0x10000)
-	bcs L2
-	INSN2(add,l	,d0,d0)		/* restore cy */
-	bra Loop
-
-LAB(L2)
-	INSN1(neg,l	,d0)
-
-/* Restore used registers from stack frame.  */
-	INSN2(move,l	,a2,MEM_POSTINC(sp))
-	INSN2(move,l	,d2,MEM_POSTINC(sp))
-
-	rts
diff --git a/sysdeps/m68k/m68020/asm-syntax.h b/sysdeps/m68k/m68020/asm-syntax.h
deleted file mode 100644
index 394b3ca739..0000000000
--- a/sysdeps/m68k/m68020/asm-syntax.h
+++ /dev/null
@@ -1,105 +0,0 @@
-/* asm.h -- Definitions for 68k syntax variations.
-
-Copyright (C) 1992, 1994 Free Software Foundation, Inc.
-
-This file is part of the GNU MP Library.
-
-The GNU MP 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 MP 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 MP Library; see the file COPYING.LIB.  If not, write to
-the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
-
-#ifdef MIT_SYNTAX
-#define MEM(base)base@
-#define MEM_DISP(base,displacement)base@(displacement)
-#define MEM_PREDEC(memory_base)memory_base@-
-#define MEM_POSTINC(memory_base)memory_base@+
-#ifdef __STDC__
-#define INSN1(mnemonic,size_suffix,dst)mnemonic##size_suffix dst
-#define INSN2(mnemonic,size_suffix,dst,src)mnemonic##size_suffix src,dst
-#else
-#define INSN1(mnemonic,size_suffix,dst)mnemonic/**/size_suffix dst
-#define INSN2(mnemonic,size_suffix,dst,src)mnemonic/**/size_suffix src,dst
-#endif
-#define LAB(label) label:
-#define TEXT .text
-#define ALIGN .even
-#define GLOBL .globl
-#endif
-
-#ifdef SONY_SYNTAX
-#define MEM(base)(base)
-#define MEM_DISP(base,displacement)(displacement,base)
-#define MEM_PREDEC(memory_base)-(memory_base)
-#define MEM_POSTINC(memory_base)(memory_base)+
-#define INSN1(mnemonic,size_suffix,dst)mnemonic.size_suffix dst
-#ifdef __STDC__
-#define INSN2(mnemonic,size_suffix,dst,src)mnemonic.size_suffix src##,dst
-#else
-#define INSN2(mnemonic,size_suffix,dst,src)mnemonic.size_suffix src/**/,dst
-#endif
-#define LAB(label) label:
-#define TEXT .text
-#define ALIGN .even
-#define GLOBL .globl
-#endif
-
-#ifdef MOTOROLA_SYNTAX
-#define MEM(base)(base)
-#define MEM_DISP(base,displacement)(displacement,base)
-#define MEM_PREDEC(memory_base)-(memory_base)
-#define MEM_POSTINC(memory_base)(memory_base)+
-#define INSN1(mnemonic,size_suffix,dst)mnemonic.size_suffix dst
-#ifdef __STDC__
-#define INSN2(mnemonic,size_suffix,dst,src)mnemonic.size_suffix src##,dst
-#else
-#define INSN2(mnemonic,size_suffix,dst,src)mnemonic.size_suffix src/**/,dst
-#endif
-#define LAB(label) label
-#define TEXT
-#define ALIGN
-#define GLOBL XDEF
-#define l L
-#define w W
-#define move MOVE
-#define eor EOR
-#define lsr LSR
-#define add ADD
-#define addx ADDX
-#define addq ADDQ
-#define sub SUB
-#define subx SUBX
-#define subq SUBQ
-#define neg NEG
-#define bcc BCC
-#define bcs BCS
-#define bra BRA
-#define dbf DBF
-#define rts RTS
-#define d0 D0
-#define d1 D1
-#define d2 D2
-#define d3 D3
-#define d4 D4
-#define d5 D5
-#define d6 D6
-#define d7 D7
-#define a0 A0
-#define a1 A1
-#define a2 A2
-#define a3 A3
-#define a4 A4
-#define a5 A5
-#define a6 A6
-#define a7 A7
-#define sp SP
-#endif
diff --git a/sysdeps/m68k/m68020/sub_n.S b/sysdeps/m68k/m68020/sub_n.S
deleted file mode 100644
index 19f0ec1568..0000000000
--- a/sysdeps/m68k/m68020/sub_n.S
+++ /dev/null
@@ -1,76 +0,0 @@
-/* mc68020 __mpn_sub_n -- Subtract two limb vectors of the same length > 0 and
-   store difference in a third limb vector.
-
-Copyright (C) 1992, 1994 Free Software Foundation, Inc.
-
-This file is part of the GNU MP Library.
-
-The GNU MP 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 MP 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 MP Library; see the file COPYING.LIB.  If not, write to
-the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
-
-/*
-  INPUT PARAMETERS
-  res_ptr	(sp + 4)
-  s1_ptr	(sp + 8)
-  s2_ptr	(sp + 16)
-  size		(sp + 12)
-*/
-
-#include "asm-syntax.h"
-
-	TEXT
-	ALIGN
-	GLOBL	___mpn_sub_n
-
-LAB(___mpn_sub_n)
-/* Save used registers on the stack.  */
-	INSN2(move,l	,MEM_PREDEC(sp),d2)
-	INSN2(move,l	,MEM_PREDEC(sp),a2)
-
-/* Copy the arguments to registers.  Better use movem?  */
-	INSN2(move,l	,a2,MEM_DISP(sp,12))
-	INSN2(move,l	,a0,MEM_DISP(sp,16))
-	INSN2(move,l	,a1,MEM_DISP(sp,20))
-	INSN2(move,l	,d2,MEM_DISP(sp,24))
-
-	INSN2(eor,w	,d2,#1)
-	INSN2(lsr,l	,d2,#1)
-	bcc L1
-	INSN2(subq,l	,d2,#1)		/* clears cy as side effect */
-
-LAB(Loop)
-	INSN2(move,l	,d0,MEM_POSTINC(a0))
-	INSN2(move,l	,d1,MEM_POSTINC(a1))
-	INSN2(subx,l	,d0,d1)
-	INSN2(move,l	,MEM_POSTINC(a2),d0)
-LAB(L1)	INSN2(move,l	,d0,MEM_POSTINC(a0))
-	INSN2(move,l	,d1,MEM_POSTINC(a1))
-	INSN2(subx,l	,d0,d1)
-	INSN2(move,l	,MEM_POSTINC(a2),d0)
-
-	dbf d2,Loop			/* loop until 16 lsb of %4 == -1 */
-	INSN2(subx,l	,d0,d0)		/* d0 <= -cy; save cy as 0 or -1 in d0 */
-	INSN2(sub,l	,d2,#0x10000)
-	bcs L2
-	INSN2(add,l	,d0,d0)		/* restore cy */
-	bra Loop
-
-LAB(L2)
-	INSN1(neg,l	,d0)
-
-/* Restore used registers from stack frame.  */
-	INSN2(move,l	,a2,MEM_POSTINC(sp))
-	INSN2(move,l	,d2,MEM_POSTINC(sp))
-
-	rts
diff --git a/sysdeps/unix/sysv/linux/m68k/Makefile b/sysdeps/unix/sysv/linux/m68k/Makefile
new file mode 100644
index 0000000000..bdbd1057c4
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/m68k/Makefile
@@ -0,0 +1,3 @@
+# Linux/m68k uses Motorola asm syntax and the ELF format.
+
+m68k-syntax-flag = -DMOTOROLA_SYNTAX
diff --git a/sysdeps/unix/sysv/linux/m68k/sysdep.h b/sysdeps/unix/sysv/linux/m68k/sysdep.h
index 9b6c8e1975..ee481172d3 100644
--- a/sysdeps/unix/sysv/linux/m68k/sysdep.h
+++ b/sysdeps/unix/sysv/linux/m68k/sysdep.h
@@ -23,6 +23,17 @@ Cambridge, MA 02139, USA.  */
 
 #include <sysdeps/unix/sysdep.h>
 
+/* For Linux we can use the system call table in the header file
+	/usr/include/asm/unistd.h
+   of the kernel.  But these symbols do not follow the SYS_* syntax
+   so we have to redefine the `SYS_ify' macro here.  */
+#undef SYS_ify
+#ifdef __STDC__
+# define SYS_ify(syscall_name)	__NR_##syscall_name
+#else
+# define SYS_ify(syscall_name)	__NR_/**/syscall_name
+#endif
+
 #ifdef ASSEMBLER
 
 #define POUND #
@@ -32,7 +43,26 @@ Cambridge, MA 02139, USA.  */
   .globl name;								      \
   .type name, @function;						      \
   .align 4;								      \
-  name##:
+  C_LABEL(name)								      \
+  CALL_MCOUNT
+
+/* If compiled for profiling, call `_mcount' at the start of each function.  */
+#ifdef	PROF
+/* The mcount code relies on a normal frame pointer being on the stack
+   to locate our caller, so push one just for its benefit.  */
+#define CALL_MCOUNT \
+  move.l %fp, -(%sp); move.l %sp, %fp;					      \
+  jbsr JUMPTARGET (_mcount);						      \
+  move.l (%sp)+, %fp;
+#else
+#define CALL_MCOUNT		/* Do nothing.  */
+#endif
+
+#ifdef PIC
+#define JUMPTARGET(name)	name##@PLTPC
+#else
+#define JUMPTARGET(name)	name
+#endif
 
 /* Since C identifiers are not normally prefixed with an underscore
    on this system, the asm identifier `syscall_error' intrudes on the
@@ -53,7 +83,7 @@ Cambridge, MA 02139, USA.  */
 /* Store (- %d0) into errno through the GOT.  */
 #define SYSCALL_ERROR_HANDLER						      \
 syscall_error:								      \
-    move.l (errno@GOTPC.l, %pc), %a0;					      \
+    move.l (errno@GOTPC, %pc), %a0;					      \
     neg.l %d0;								      \
     move.l %d0, (%a0);							      \
     move.l POUND -1, %d0;						      \
generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-11-14 13:42:14 +0000