packages/glibc/glibc_2.5.bb : Add a new patch for the powerpc targets with softfloat

support that handles a case of strong alias for two (soft) float point functions. 
Original patch provided by Hiroki Kaminaga kaminaga at sm dot sony dot co dot jp

2 files changed, 208 insertions, 2 deletions

diff --git a/packages/glibc/files/glibc-2.5-soft-fp-separate-strong-alias.patch b/packages/glibc/files/glibc-2.5-soft-fp-separate-strong-alias.patch
new file mode 100755
index 0000000000..e41c1b7d96
--- /dev/null
+++ b/packages/glibc/files/glibc-2.5-soft-fp-separate-strong-alias.patch
@@ -0,0 +1,205 @@
+Index: glibc-2.5-tls-ppc-04/soft-fp/eqdf2.c

+===================================================================

+--- glibc-2.5-tls-ppc-04.orig/soft-fp/eqdf2.c

++++ glibc-2.5-tls-ppc-04/soft-fp/eqdf2.c

+@@ -48,4 +48,3 @@ int __eqdf2(DFtype a, DFtype b)

+   return r;

+ }

+ 

+-strong_alias(__eqdf2, __nedf2);

+Index: glibc-2.5-tls-ppc-04/soft-fp/gedf2.c

+===================================================================

+--- glibc-2.5-tls-ppc-04.orig/soft-fp/gedf2.c

++++ glibc-2.5-tls-ppc-04/soft-fp/gedf2.c

+@@ -47,5 +47,3 @@ int __gedf2(DFtype a, DFtype b)

+ 

+   return r;

+ }

+-

+-strong_alias(__gedf2, __gtdf2);

+Index: glibc-2.5-tls-ppc-04/soft-fp/gtdf2.c

+===================================================================

+--- /dev/null

++++ glibc-2.5-tls-ppc-04/soft-fp/gtdf2.c

+@@ -0,0 +1,49 @@

++/* Software floating-point emulation.

++   Return 0 iff a == b, 1 iff a > b, -2 iff a ? b, -1 iff a < b

++   Copyright (C) 1997,1999,2006 Free Software Foundation, Inc.

++   This file is part of the GNU C Library.

++   Contributed by Richard Henderson (rth@cygnus.com) and

++		  Jakub Jelinek (jj@ultra.linux.cz).

++

++   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.

++

++   In addition to the permissions in the GNU Lesser General Public

++   License, the Free Software Foundation gives you unlimited

++   permission to link the compiled version of this file into

++   combinations with other programs, and to distribute those

++   combinations without any restriction coming from the use of this

++   file.  (The Lesser General Public License restrictions do apply in

++   other respects; for example, they cover modification of the file,

++   and distribution when not linked into a combine executable.)

++

++   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, 51 Franklin Street, Fifth Floor, Boston,

++   MA 02110-1301, USA.  */

++

++#include "soft-fp.h"

++#include "double.h"

++

++int __gtdf2(DFtype a, DFtype b)

++{

++  FP_DECL_EX;

++  FP_DECL_D(A); FP_DECL_D(B);

++  int r;

++

++  FP_UNPACK_RAW_D(A, a);

++  FP_UNPACK_RAW_D(B, b);

++  FP_CMP_D(r, A, B, -2);

++  if (r == -2 && (FP_ISSIGNAN_D(A) || FP_ISSIGNAN_D(B)))

++    FP_SET_EXCEPTION(FP_EX_INVALID);

++  FP_HANDLE_EXCEPTIONS;

++

++  return r;

++}

+Index: glibc-2.5-tls-ppc-04/soft-fp/ledf2.c

+===================================================================

+--- glibc-2.5-tls-ppc-04.orig/soft-fp/ledf2.c

++++ glibc-2.5-tls-ppc-04/soft-fp/ledf2.c

+@@ -48,4 +48,3 @@ int __ledf2(DFtype a, DFtype b)

+   return r;

+ }

+ 

+-strong_alias(__ledf2, __ltdf2);

+Index: glibc-2.5-tls-ppc-04/soft-fp/ltdf2.c

+===================================================================

+--- /dev/null

++++ glibc-2.5-tls-ppc-04/soft-fp/ltdf2.c

+@@ -0,0 +1,49 @@

++/* Software floating-point emulation.

++   Return 0 iff a == b, 1 iff a > b, 2 iff a ? b, -1 iff a < b

++   Copyright (C) 1997,1999,2006 Free Software Foundation, Inc.

++   This file is part of the GNU C Library.

++   Contributed by Richard Henderson (rth@cygnus.com) and

++		  Jakub Jelinek (jj@ultra.linux.cz).

++

++   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.

++

++   In addition to the permissions in the GNU Lesser General Public

++   License, the Free Software Foundation gives you unlimited

++   permission to link the compiled version of this file into

++   combinations with other programs, and to distribute those

++   combinations without any restriction coming from the use of this

++   file.  (The Lesser General Public License restrictions do apply in

++   other respects; for example, they cover modification of the file,

++   and distribution when not linked into a combine executable.)

++

++   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, 51 Franklin Street, Fifth Floor, Boston,

++   MA 02110-1301, USA.  */

++

++#include "soft-fp.h"

++#include "double.h"

++

++int __ltdf2(DFtype a, DFtype b)

++{

++  FP_DECL_EX;

++  FP_DECL_D(A); FP_DECL_D(B);

++  int r;

++

++  FP_UNPACK_RAW_D(A, a);

++  FP_UNPACK_RAW_D(B, b);

++  FP_CMP_D(r, A, B, 2);

++  if (r == 2 && (FP_ISSIGNAN_D(A) || FP_ISSIGNAN_D(B)))

++    FP_SET_EXCEPTION(FP_EX_INVALID);

++  FP_HANDLE_EXCEPTIONS;

++

++  return r;

++}

+Index: glibc-2.5-tls-ppc-04/soft-fp/nedf2.c

+===================================================================

+--- /dev/null

++++ glibc-2.5-tls-ppc-04/soft-fp/nedf2.c

+@@ -0,0 +1,49 @@

++/* Software floating-point emulation.

++   Return 0 iff a == b, 1 otherwise

++   Copyright (C) 1997,1999,2006 Free Software Foundation, Inc.

++   This file is part of the GNU C Library.

++   Contributed by Richard Henderson (rth@cygnus.com) and

++		  Jakub Jelinek (jj@ultra.linux.cz).

++

++   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.

++

++   In addition to the permissions in the GNU Lesser General Public

++   License, the Free Software Foundation gives you unlimited

++   permission to link the compiled version of this file into

++   combinations with other programs, and to distribute those

++   combinations without any restriction coming from the use of this

++   file.  (The Lesser General Public License restrictions do apply in

++   other respects; for example, they cover modification of the file,

++   and distribution when not linked into a combine executable.)

++

++   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, 51 Franklin Street, Fifth Floor, Boston,

++   MA 02110-1301, USA.  */

++

++#include "soft-fp.h"

++#include "double.h"

++

++int __nedf2(DFtype a, DFtype b)

++{

++  FP_DECL_EX;

++  FP_DECL_D(A); FP_DECL_D(B);

++  int r;

++

++  FP_UNPACK_RAW_D(A, a);

++  FP_UNPACK_RAW_D(B, b);

++  FP_CMP_EQ_D(r, A, B);

++  if (r && (FP_ISSIGNAN_D(A) || FP_ISSIGNAN_D(B)))

++    FP_SET_EXCEPTION(FP_EX_INVALID);

++  FP_HANDLE_EXCEPTIONS;

++

++  return r;

++}

+Index: glibc-2.5-tls-ppc-04/soft-fp/Makefile

+===================================================================

+--- glibc-2.5-tls-ppc-04.orig/soft-fp/Makefile

++++ glibc-2.5-tls-ppc-04/soft-fp/Makefile

+@@ -27,8 +27,8 @@ gcc-single-routines := negsf2 addsf3 sub

+ 	fixunssfdi floatdisf sqrtsf2 floatunsisf floatundisf \

+ 	fmasf4

+ 

+-gcc-double-routines := negdf2 adddf3 subdf3 muldf3 divdf3 eqdf2 \

+-	ledf2 gedf2 unorddf2 fixdfsi fixunsdfsi floatsidf fixdfdi        \

++gcc-double-routines := negdf2 adddf3 subdf3 muldf3 divdf3 eqdf2 nedf2 \

++	ledf2 ltdf2 gedf2 gtdf2 unorddf2 fixdfsi fixunsdfsi floatsidf fixdfdi \

+ 	fixunsdfdi floatdidf extendsfdf2 truncdfsf2 sqrtdf2 floatunsidf \

+ 	floatundidf fmadf4

+ 

diff --git a/packages/glibc/glibc_2.5.bb b/packages/glibc/glibc_2.5.bb
index 2ffa6f6367..e30d357121 100644
--- a/packages/glibc/glibc_2.5.bb
+++ b/packages/glibc/glibc_2.5.bb
@@ -5,7 +5,7 @@ ARM_INSTRUCTION_SET = "arm"
 PACKAGES_DYNAMIC = "libc6*"
 RPROVIDES_${PN}-dev = "libc6-dev"
 
-PR = "r7"
+PR = "r8"
 
 # the -isystem in bitbake.conf screws up glibc do_stage
 BUILD_CPPFLAGS = "-I${STAGING_INCDIR_NATIVE}"
@@ -74,7 +74,8 @@ SRC_URI_append_powerpc= " file://ppc-sfp-machine.patch;patch=1 \
                           file://ppc-soft-fp-20070115.patch;patch=1 \
                           file://ppc-ld-nofpu-20070104.patch;patch=1 \
                           file://ppc-ports-ld-nofpu-20070114.patch;patch=1 \
-                          file://powerpc-sqrt-hack.diff;patch=1""
+                          file://powerpc-sqrt-hack.diff;patch=1 \
+                          file://glibc-2.5-soft-fp-separate-strong-alias.patch;patch=1"
 
 S = "${WORKDIR}/glibc-${PV}"
 B = "${WORKDIR}/build-${TARGET_SYS}"