glibc-2.2.5-hhl-powerpc-fpu.patch

linux下编译交叉工具链的工具源码

+			mtlr	r0		#move return address to LR
+			lfd	fp30,-16(r1)	#restore f30
+			lfd	fp31,-8(r1)	#restore f31
+			blr			#return
diff -Naur glibc-2.2.5.old/sysdeps/powerpc/fpu/fprsave.S glibc-2.2.5/sysdeps/powerpc/fpu/fprsave.S
--- glibc-2.2.5.old/sysdeps/powerpc/fpu/fprsave.S	Wed Dec 31 16:00:00 1969
+++ glibc-2.2.5/sysdeps/powerpc/fpu/fprsave.S	Thu Jul  5 21:56:01 2001
@@ -0,0 +1,93 @@
+/* Copyright (C) 2000, 2001 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 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.  */
+
+/*
+    Floating Point Registers (FPRs) save routine
+*/
+
+#include <sysdep.h>
+
+ENTRY(_savefpr_all)
+                ASM_GLOBAL_DIRECTIVE C_TEXT(_savef14)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_savefpr_14)
+C_TEXT(_savef14):
+C_TEXT(_savefpr_14):	stfd	fp14,-144(r1)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_savef15)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_savefpr_15)
+C_TEXT(_savef15):
+C_TEXT(_savefpr_15):	stfd	fp15,-136(r1)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_savef16)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_savefpr_16)
+C_TEXT(_savef16):
+C_TEXT(_savefpr_16):	stfd	fp16,-128(r1)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_savef17)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_savefpr_17)
+C_TEXT(_savef17):
+C_TEXT(_savefpr_17):	stfd	fp17,-120(r1)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_savef18)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_savefpr_18)
+C_TEXT(_savef18):
+C_TEXT(_savefpr_18):	stfd	fp18,-112(r1)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_savef19)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_savefpr_19)
+C_TEXT(_savef19):
+C_TEXT(_savefpr_19):	stfd	fp19,-104(r1)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_savef20)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_savefpr_20)
+C_TEXT(_savef20):
+C_TEXT(_savefpr_20):	stfd	fp20,-96(r1)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_savef21)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_savefpr_21)
+C_TEXT(_savef21):
+C_TEXT(_savefpr_21):	stfd	fp21,-88(r1)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_savef22)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_savefpr_22)
+C_TEXT(_savef22):
+C_TEXT(_savefpr_22):	stfd	fp22,-80(r1)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_savef23)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_savefpr_23)
+C_TEXT(_savef23):
+C_TEXT(_savefpr_23):	stfd	fp23,-72(r1)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_savef24)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_savefpr_24)
+C_TEXT(_savef24):
+C_TEXT(_savefpr_24):	stfd	fp24,-64(r1)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_savef25)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_savefpr_25)
+C_TEXT(_savef25):
+C_TEXT(_savefpr_25):	stfd	fp25,-56(r1)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_savef26)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_savefpr_26)
+C_TEXT(_savef26):
+C_TEXT(_savefpr_26):	stfd	fp26,-48(r1)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_savef27)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_savefpr_27)
+C_TEXT(_savef27):
+C_TEXT(_savefpr_27):	stfd	fp27,-40(r1)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_savef28)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_savefpr_28)
+C_TEXT(_savef28):
+C_TEXT(_savefpr_28):	stfd	fp28,-32(r1)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_savef29)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_savefpr_29)
+C_TEXT(_savef29):
+C_TEXT(_savefpr_29):	stfd	fp29,-24(r1)	#save f29
+			stfd	fp30,-16(r1)	#save f30
+			stfd	fp31,-8(r1)	#save f31
+			stw	r0,8(r1)	#save LR in callers frame
+			blr			#return
diff -Naur glibc-2.2.5.old/sysdeps/powerpc/fpu/fpu_control.h glibc-2.2.5/sysdeps/powerpc/fpu/fpu_control.h
--- glibc-2.2.5.old/sysdeps/powerpc/fpu/fpu_control.h	Wed Dec 31 16:00:00 1969
+++ glibc-2.2.5/sysdeps/powerpc/fpu/fpu_control.h	Thu Jul  5 21:56:01 2001
@@ -0,0 +1,67 @@
+/* FPU control word definitions.  PowerPC version.
+   Copyright (C) 1996, 1997, 1998 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 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.  */
+
+#ifndef _FPU_CONTROL_H
+#define _FPU_CONTROL_H
+
+/* rounding control */
+#define _FPU_RC_NEAREST 0x00   /* RECOMMENDED */
+#define _FPU_RC_DOWN    0x03
+#define _FPU_RC_UP      0x02
+#define _FPU_RC_ZERO    0x01
+
+#define _FPU_MASK_NI  0x04 /* non-ieee mode */
+
+/* masking of interrupts */
+#define _FPU_MASK_ZM  0x10 /* zero divide */
+#define _FPU_MASK_OM  0x40 /* overflow */
+#define _FPU_MASK_UM  0x20 /* underflow */
+#define _FPU_MASK_XM  0x08 /* inexact */
+#define _FPU_MASK_IM  0x80 /* invalid operation */
+
+#define _FPU_RESERVED 0xffffff00 /* These bits are reserved are not changed. */
+
+/* The fdlibm code requires no interrupts for exceptions.  */
+#define _FPU_DEFAULT  0x00000000 /* Default value.  */
+
+/* IEEE:  same as above, but (some) exceptions;
+   we leave the 'inexact' exception off.
+ */
+#define _FPU_IEEE     0x000000f0
+
+/* Type of the control word.  */
+typedef unsigned int fpu_control_t __attribute__ ((__mode__ (__SI__)));
+
+/* Macros for accessing the hardware control word.  */
+#define _FPU_GETCW(cw) ( { \
+  union { double d; fpu_control_t cw[2]; } tmp __attribute__ ((__aligned__(8))); \
+  __asm__ ("mffs 0; stfd%U0 0,%0" : "=m" (tmp.d) : : "fr0"); \
+  (cw)=tmp.cw[1]; \
+  tmp.cw[1]; } )
+#define _FPU_SETCW(cw) { \
+  union { double d; fpu_control_t cw[2]; } tmp __attribute__ ((__aligned__(8))); \
+  tmp.cw[0] = 0xFFF80000; /* More-or-less arbitrary; this is a QNaN. */ \
+  tmp.cw[1] = cw; \
+  __asm__ ("lfd%U0 0,%0; mtfsf 255,0" : : "m" (tmp.d) : "fr0"); \
+}
+
+/* Default control word set at startup.  */
+extern fpu_control_t __fpu_control;
+
+#endif /* _FPU_CONTROL_H */
diff -Naur glibc-2.2.5.old/sysdeps/powerpc/fpu/setjmp.S glibc-2.2.5/sysdeps/powerpc/fpu/setjmp.S
--- glibc-2.2.5.old/sysdeps/powerpc/fpu/setjmp.S	Wed Dec 31 16:00:00 1969
+++ glibc-2.2.5/sysdeps/powerpc/fpu/setjmp.S	Thu Jul 10 11:43:44 2003
@@ -0,0 +1,73 @@
+/* setjmp for PowerPC.
+   Copyright (C) 1995, 1996, 1997, 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 <sysdep.h>
+#define _ASM
+#define _SETJMP_H
+#include <bits/setjmp.h>
+#include <bp-sym.h>
+#include <bp-asm.h>
+
+ENTRY (BP_SYM (__sigsetjmp))
+	CHECK_BOUNDS_BOTH_WIDE_LIT (r3, r8, r9, JB_SIZE)
+
+	stw  r1,(JB_GPR1*4)(3)
+	mflr r0
+	stw  r2,(JB_GPR2*4)(3)
+	stw  r14,((JB_GPRS+0)*4)(3)
+	stfd fp14,((JB_FPRS+0*2)*4)(3)
+	stw  r0,(JB_LR*4)(3)
+	stw  r15,((JB_GPRS+1)*4)(3)
+	stfd fp15,((JB_FPRS+1*2)*4)(3)
+	mfcr r0
+	stw  r16,((JB_GPRS+2)*4)(3)
+	stfd fp16,((JB_FPRS+2*2)*4)(3)
+	stw  r0,(JB_CR*4)(3)
+	stw  r17,((JB_GPRS+3)*4)(3)
+	stfd fp17,((JB_FPRS+3*2)*4)(3)
+	stw  r18,((JB_GPRS+4)*4)(3)
+	stfd fp18,((JB_FPRS+4*2)*4)(3)
+	stw  r19,((JB_GPRS+5)*4)(3)
+	stfd fp19,((JB_FPRS+5*2)*4)(3)
+	stw  r20,((JB_GPRS+6)*4)(3)
+	stfd fp20,((JB_FPRS+6*2)*4)(3)
+	stw  r21,((JB_GPRS+7)*4)(3)
+	stfd fp21,((JB_FPRS+7*2)*4)(3)
+	stw  r22,((JB_GPRS+8)*4)(3)
+	stfd fp22,((JB_FPRS+8*2)*4)(3)
+	stw  r23,((JB_GPRS+9)*4)(3)
+	stfd fp23,((JB_FPRS+9*2)*4)(3)
+	stw  r24,((JB_GPRS+10)*4)(3)
+	stfd fp24,((JB_FPRS+10*2)*4)(3)
+	stw  r25,((JB_GPRS+11)*4)(3)
+	stfd fp25,((JB_FPRS+11*2)*4)(3)
+	stw  r26,((JB_GPRS+12)*4)(3)
+	stfd fp26,((JB_FPRS+12*2)*4)(3)
+	stw  r27,((JB_GPRS+13)*4)(3)
+	stfd fp27,((JB_FPRS+13*2)*4)(3)
+	stw  r28,((JB_GPRS+14)*4)(3)
+	stfd fp28,((JB_FPRS+14*2)*4)(3)
+	stw  r29,((JB_GPRS+15)*4)(3)
+	stfd fp29,((JB_FPRS+15*2)*4)(3)
+	stw  r30,((JB_GPRS+16)*4)(3)
+	stfd fp30,((JB_FPRS+16*2)*4)(3)
+	stw  r31,((JB_GPRS+17)*4)(3)
+	stfd fp31,((JB_FPRS+17*2)*4)(3)
+	b JUMPTARGET (BP_SYM (__sigjmp_save))
+END (BP_SYM (__sigsetjmp))
diff -Naur glibc-2.2.5.old/sysdeps/powerpc/fpu_control.h glibc-2.2.5/sysdeps/powerpc/fpu_control.h
--- glibc-2.2.5.old/sysdeps/powerpc/fpu_control.h	Thu Jul  5 21:56:01 2001
+++ glibc-2.2.5/sysdeps/powerpc/fpu_control.h	Wed Dec 31 16:00:00 1969
@@ -1,67 +0,0 @@
-/* FPU control word definitions.  PowerPC version.
-   Copyright (C) 1996, 1997, 1998 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 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.  */
-
-#ifndef _FPU_CONTROL_H
-#define _FPU_CONTROL_H
-
-/* rounding control */
-#define _FPU_RC_NEAREST 0x00   /* RECOMMENDED */
-#define _FPU_RC_DOWN    0x03
-#define _FPU_RC_UP      0x02
-#define _FPU_RC_ZERO    0x01
-
-#define _FPU_MASK_NI  0x04 /* non-ieee mode */
-
-/* masking of interrupts */
-#define _FPU_MASK_ZM  0x10 /* zero divide */
-#define _FPU_MASK_OM  0x40 /* overflow */
-#define _FPU_MASK_UM  0x20 /* underflow */
-#define _FPU_MASK_XM  0x08 /* inexact */
-#define _FPU_MASK_IM  0x80 /* invalid operation */
-
-#define _FPU_RESERVED 0xffffff00 /* These bits are reserved are not changed. */
-
-/* The fdlibm code requires no interrupts for exceptions.  */
-#define _FPU_DEFAULT  0x00000000 /* Default value.  */
-
-/* IEEE:  same as above, but (some) exceptions;
-   we leave the 'inexact' exception off.
- */
-#define _FPU_IEEE     0x000000f0
-
-/* Type of the control word.  */
-typedef unsigned int fpu_control_t __attribute__ ((__mode__ (__SI__)));
-
-/* Macros for accessing the hardware control word.  */
-#define _FPU_GETCW(cw) ( { \
-  union { double d; fpu_control_t cw[2]; } tmp __attribute__ ((__aligned__(8))); \
-  __asm__ ("mffs 0; stfd%U0 0,%0" : "=m" (tmp.d) : : "fr0"); \
-  (cw)=tmp.cw[1]; \
-  tmp.cw[1]; } )
-#define _FPU_SETCW(cw) { \
-  union { double d; fpu_control_t cw[2]; } tmp __attribute__ ((__aligned__(8))); \
-  tmp.cw[0] = 0xFFF80000; /* More-or-less arbitrary; this is a QNaN. */ \
-  tmp.cw[1] = cw; \
-  __asm__ ("lfd%U0 0,%0; mtfsf 255,0" : : "m" (tmp.d) : "fr0"); \
-}
-
-/* Default control word set at startup.  */
-extern fpu_control_t __fpu_control;
-
-#endif /* _FPU_CONTROL_H */
diff -Naur glibc-2.2.5.old/sysdeps/powerpc/setjmp.S glibc-2.2.5/sysdeps/powerpc/setjmp.S
--- glibc-2.2.5.old/sysdeps/powerpc/setjmp.S	Thu Jul  5 21:56:01 2001
+++ glibc-2.2.5/sysdeps/powerpc/setjmp.S	Thu Jul 10 11:43:44 2003
@@ -24,6 +24,8 @@
 #include <bp-sym.h>
 #include <bp-asm.h>
 
+/* The FPU stores have been removed from this file - see fpu/setjmp.S */
+
 ENTRY (BP_SYM (__sigsetjmp))
 	CHECK_BOUNDS_BOTH_WIDE_LIT (r3, r8, r9, JB_SIZE)
 
@@ -31,43 +33,25 @@
 	mflr r0
 	stw  r2,(JB_GPR2*4)(3)
 	stw  r14,((JB_GPRS+0)*4)(3)
-	stfd fp14,((JB_FPRS+0*2)*4)(3)
 	stw  r0,(JB_LR*4)(3)
 	stw  r15,((JB_GPRS+1)*4)(3)
-	stfd fp15,((JB_FPRS+1*2)*4)(3)
 	mfcr r0
 	stw  r16,((JB_GPRS+2)*4)(3)
-	stfd fp16,((JB_FPRS+2*2)*4)(3)
 	stw  r0,(JB_CR*4)(3)
 	stw  r17,((JB_GPRS+3)*4)(3)
-	stfd fp17,((JB_FPRS+3*2)*4)(3)
 	stw  r18,((JB_GPRS+4)*4)(3)
-	stfd fp18,((JB_FPRS+4*2)*4)(3)
 	stw  r19,((JB_GPRS+5)*4)(3)
-	stfd fp19,((JB_FPRS+5*2)*4)(3)
 	stw  r20,((JB_GPRS+6)*4)(3)
-	stfd fp20,((JB_FPRS+6*2)*4)(3)
 	stw  r21,((JB_GPRS+7)*4)(3)
-	stfd fp21,((JB_FPRS+7*2)*4)(3)
 	stw  r22,((JB_GPRS+8)*4)(3)
-	stfd fp22,((JB_FPRS+8*2)*4)(3)
 	stw  r23,((JB_GPRS+9)*4)(3)
-	stfd fp23,((JB_FPRS+9*2)*4)(3)
 	stw  r24,((JB_GPRS+10)*4)(3)
-	stfd fp24,((JB_FPRS+10*2)*4)(3)
 	stw  r25,((JB_GPRS+11)*4)(3)
-	stfd fp25,((JB_FPRS+11*2)*4)(3)
 	stw  r26,((JB_GPRS+12)*4)(3)
-	stfd fp26,((JB_FPRS+12*2)*4)(3)
 	stw  r27,((JB_GPRS+13)*4)(3)
-	stfd fp27,((JB_FPRS+13*2)*4)(3)
 	stw  r28,((JB_GPRS+14)*4)(3)
-	stfd fp28,((JB_FPRS+14*2)*4)(3)
 	stw  r29,((JB_GPRS+15)*4)(3)
-	stfd fp29,((JB_FPRS+15*2)*4)(3)
 	stw  r30,((JB_GPRS+16)*4)(3)
-	stfd fp30,((JB_FPRS+16*2)*4)(3)
 	stw  r31,((JB_GPRS+17)*4)(3)
-	stfd fp31,((JB_FPRS+17*2)*4)(3)
 	b JUMPTARGET (BP_SYM (__sigjmp_save))
 END (BP_SYM (__sigsetjmp))