Rehash the PowerPC e500 port to avoid creating symlinks

in the powerpc arch code and make more code common with
classic PowerPC. From Steve Papacharalambous

Lets hope I didn't break something.

1 files changed, 94 insertions, 0 deletions

diff --git a/libc/sysdeps/linux/powerpc/__longjmp.S b/libc/sysdeps/linux/powerpc/__longjmp.S
new file mode 100644
index 000000000..765a87315
--- /dev/null
+++ b/libc/sysdeps/linux/powerpc/__longjmp.S
@@ -0,0 +1,94 @@
+/* longjmp for PowerPC and PowerPC e500.
+   Copyright (C) 1995, 1996, 1997, 1999, 2000, 2004
+   Free Software Foundation, Inc.
+   e500 contributed by Aldy Hernandez <aldyh@redhat.com>.
+   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 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, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <features.h>
+#include "ppc_asm.h"
+#define _ASM
+#define _SETJMP_H
+#include <bits/setjmp.h>
+
+
+#if defined __UCLIBC_HAS_FLOATS__ && ! defined __UCLIBC_HAS_SOFT_FLOAT__
+#define FP(x...) x
+#else
+#define FP(x...)
+#endif
+
+#if defined __CONFIG_E500__
+#define LFD(reg) evldd r##reg
+#define STFD(reg) evstdd r##reg
+#else
+#define LFD(reg) lfd fp##reg
+#define STFD(reg) stfd fp##reg
+#endif /* __CONFIG_E500__ */
+
+.globl      __longjmp;
+.type      __longjmp, @function;
+.align  2;
+
+__longjmp:    
+	lwz r1,(JB_GPR1*4)(r3)
+	lwz r2,(JB_GPR2*4)(r3)
+	lwz r0,(JB_LR*4)(r3)
+	lwz r14,((JB_GPRS+0)*4)(r3)
+FP(     LFD (14),((JB_FPRS+0*2)*4)(r3))
+        lwz r15,((JB_GPRS+1)*4)(r3)
+FP(     LFD (15),((JB_FPRS+1*2)*4)(r3))
+        lwz r16,((JB_GPRS+2)*4)(r3)
+FP(     LFD (16),((JB_FPRS+2*2)*4)(r3))
+        lwz r17,((JB_GPRS+3)*4)(r3)
+FP(     LFD (17),((JB_FPRS+3*2)*4)(r3))
+        lwz r18,((JB_GPRS+4)*4)(r3)
+FP(     LFD (18),((JB_FPRS+4*2)*4)(r3))
+        lwz r19,((JB_GPRS+5)*4)(r3)
+FP(     LFD (19),((JB_FPRS+5*2)*4)(r3))
+        lwz r20,((JB_GPRS+6)*4)(r3)
+FP(     LFD (20),((JB_FPRS+6*2)*4)(r3))
+        mtlr r0
+        lwz r21,((JB_GPRS+7)*4)(r3)
+FP(     LFD (21),((JB_FPRS+7*2)*4)(r3))
+        lwz r22,((JB_GPRS+8)*4)(r3)
+FP(     LFD (22),((JB_FPRS+8*2)*4)(r3))
+        lwz r0,(JB_CR*4)(r3)
+        lwz r23,((JB_GPRS+9)*4)(r3)
+FP(     LFD (23),((JB_FPRS+9*2)*4)(r3))
+        lwz r24,((JB_GPRS+10)*4)(r3)
+FP(     LFD (24),((JB_FPRS+10*2)*4)(r3))
+        lwz r25,((JB_GPRS+11)*4)(r3)
+FP(     LFD (25),((JB_FPRS+11*2)*4)(r3))
+        mtcrf 0xFF,r0
+        lwz r26,((JB_GPRS+12)*4)(r3)
+FP(     LFD (26),((JB_FPRS+12*2)*4)(r3))
+        lwz r27,((JB_GPRS+13)*4)(r3)
+FP(     LFD (27),((JB_FPRS+13*2)*4)(r3))
+        lwz r28,((JB_GPRS+14)*4)(r3)
+FP(     LFD (28),((JB_FPRS+14*2)*4)(r3))
+        lwz r29,((JB_GPRS+15)*4)(r3)
+FP(     LFD (29),((JB_FPRS+15*2)*4)(r3))
+        lwz r30,((JB_GPRS+16)*4)(r3)
+FP(     LFD (30),((JB_FPRS+16*2)*4)(r3))
+        lwz r31,((JB_GPRS+17)*4)(r3)
+FP(     LFD (31),((JB_FPRS+17*2)*4)(r3))
+	mr r3,r4
+	blr
+.size     __longjmp,.-__longjmp
+
+libc_hidden_def(__longjmp)