diff options
Diffstat (limited to 'packages/glibc/files/ppc-sfp-machine.patch')
| -rw-r--r-- | packages/glibc/files/ppc-sfp-machine.patch | 297 |
1 files changed, 297 insertions, 0 deletions
diff --git a/packages/glibc/files/ppc-sfp-machine.patch b/packages/glibc/files/ppc-sfp-machine.patch new file mode 100644 index 0000000000..6171a03411 --- /dev/null +++ b/packages/glibc/files/ppc-sfp-machine.patch @@ -0,0 +1,297 @@ +This patch combined with the other patches from Bugzilla #2749 allows +powerpc32 to build. The Subdirs pulls in the soft-fp directory from +libc, The Implies pulls in the ports powerpc/soft-fp directory which +includes sfp-machine.h + +The get/set/swapcontext changes overide the common implimentation in +libc to avoid using hardware FP instructions. + + + +2006-06-01 Steven Munroe <sjmunroe@us.ibm.com> + + [BZ #2749] + * sysdeps/powerpc/soft-fp/Subdirs: New file. + * sysdeps/powerpc/soft-fp/sfp-machine.h: New file. + * sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/Implies: New file. + + * sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/getcontext.S: + New file. + * sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/setcontext.S: + New file. + * sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/swapcontext.S: + New file. + +diff -urN dummy-libc/ports-cvstip-20060512/sysdeps/powerpc/soft-fp/Subdirs +libc24/ports/sysdeps/powerpc/soft-fp/Subdirs +--- dummy-libc/ports-cvstip-20060512/sysdeps/powerpc/soft-fp/Subdirs Wed Dec 31 18:00:00 1969 ++++ libc24/ports/sysdeps/powerpc/soft-fp/Subdirs Wed May 31 16:58:44 2006 +@@ -0,0 +1,1 @@ ++soft-fp +diff -urN dummy-libc/ports-cvstip-20060512/sysdeps/powerpc/soft-fp/sfp-machine.h +libc24/ports/sysdeps/powerpc/soft-fp/sfp-machine.h +--- dummy-libc/ports-cvstip-20060512/sysdeps/powerpc/soft-fp/sfp-machine.h Wed Dec 31 18:00:00 1969 ++++ libc24/ports/sysdeps/powerpc/soft-fp/sfp-machine.h Wed May 31 13:57:07 2006 +@@ -0,0 +1,63 @@ ++#define _FP_W_TYPE_SIZE 32 ++#define _FP_W_TYPE unsigned long ++#define _FP_WS_TYPE signed long ++#define _FP_I_TYPE long ++ ++#define _FP_MUL_MEAT_S(R,X,Y) \ ++ _FP_MUL_MEAT_1_wide(_FP_WFRACBITS_S,R,X,Y,umul_ppmm) ++#define _FP_MUL_MEAT_D(R,X,Y) \ ++ _FP_MUL_MEAT_2_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm) ++#define _FP_MUL_MEAT_Q(R,X,Y) \ ++ _FP_MUL_MEAT_4_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm) ++ ++#define _FP_DIV_MEAT_S(R,X,Y) _FP_DIV_MEAT_1_loop(S,R,X,Y) ++#define _FP_DIV_MEAT_D(R,X,Y) _FP_DIV_MEAT_2_udiv(D,R,X,Y) ++#define _FP_DIV_MEAT_Q(R,X,Y) _FP_DIV_MEAT_4_udiv(Q,R,X,Y) ++ ++#define _FP_NANFRAC_S ((_FP_QNANBIT_S << 1) - 1) ++#define _FP_NANFRAC_D ((_FP_QNANBIT_D << 1) - 1), -1 ++#define _FP_NANFRAC_Q ((_FP_QNANBIT_Q << 1) - 1), -1, -1, -1 ++#define _FP_NANSIGN_S 0 ++#define _FP_NANSIGN_D 0 ++#define _FP_NANSIGN_Q 0 ++ ++#define _FP_KEEPNANFRACP 1 ++ ++/* Someone please check this. */ ++#define _FP_CHOOSENAN(fs, wc, R, X, Y, OP) \ ++ do { \ ++ if ((_FP_FRAC_HIGH_RAW_##fs(X) & _FP_QNANBIT_##fs) \ ++ && !(_FP_FRAC_HIGH_RAW_##fs(Y) & _FP_QNANBIT_##fs)) \ ++ { \ ++ R##_s = Y##_s; \ ++ _FP_FRAC_COPY_##wc(R,Y); \ ++ } \ ++ else \ ++ { \ ++ R##_s = X##_s; \ ++ _FP_FRAC_COPY_##wc(R,X); \ ++ } \ ++ R##_c = FP_CLS_NAN; \ ++ } while (0) ++ ++/* Exception flags. We use the bit positions of the appropriate bits ++ in the FPSCR, which also correspond to the FE_* bits. This makes ++ everything easier ;-). */ ++#define FP_EX_INVALID (1 << (31 - 2)) ++#define FP_EX_OVERFLOW (1 << (31 - 3)) ++#define FP_EX_UNDERFLOW (1 << (31 - 4)) ++#define FP_EX_DENORM FP_EX_UNDERFLOW ++#define FP_EX_DIVZERO (1 << (31 - 5)) ++#define FP_EX_INEXACT (1 << (31 - 6)) ++ ++#define FP_HANDLE_EXCEPTIONS __simulate_exceptions (_fex) ++#define FP_ROUNDMODE __sim_round_mode ++ ++extern int __sim_exceptions; ++libc_hidden_proto (__sim_exceptions); ++extern int __sim_disabled_exceptions; ++libc_hidden_proto (__sim_disabled_exceptions); ++extern int __sim_round_mode; ++libc_hidden_proto (__sim_round_mode); ++ ++extern void __simulate_exceptions (int x) attribute_hidden; +diff -urN dummy-libc/ports-cvstip-20060512/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/Implies +libc24/ports/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/Implies +--- dummy-libc/ports-cvstip-20060512/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/Implies Wed Dec 31 18:00:00 1969 ++++ libc24/ports/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/Implies Wed May 31 15:46:44 2006 +@@ -0,0 +1,1 @@ ++powerpc/soft-fp +diff -urN dummy-libc/ports-cvstip-20060512/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/getcontext.S +libc24/ports/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/getcontext.S +--- dummy-libc/ports-cvstip-20060512/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/getcontext.S Wed Dec 31 18:00:00 1969 ++++ libc24/ports/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/getcontext.S Thu Jun 01 15:31:03 2006 +@@ -0,0 +1,59 @@ ++/* Save current context. ++ Copyright (C) 2002, 2004, 2005 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. */ ++ ++#include <sysdep.h> ++#include <rtld-global-offsets.h> ++#include <shlib-compat.h> ++ ++#define __ASSEMBLY__ ++#include <asm/ptrace.h> ++#include "ucontext_i.h" ++ ++#define __CONTEXT_FUNC_NAME __getcontext ++#undef __CONTEXT_ENABLE_FPRS ++#undef __CONTEXT_ENABLE_VRS ++ ++#include "getcontext-common.S" ++ ++versioned_symbol (libc, __getcontext, getcontext, GLIBC_2_3_4) ++ ++#if SHLIB_COMPAT (libc, GLIBC_2_3_3, GLIBC_2_3_4) ++ ++/* For the nofpu case the old/new versions are the same function. */ ++strong_alias (__getcontext, __novec_getcontext) ++ ++compat_symbol (libc, __novec_getcontext, getcontext, GLIBC_2_3_3) ++ ++#endif ++ ++#if SHLIB_COMPAT (libc, GLIBC_2_1, GLIBC_2_3_3) ++ ++#define _ERRNO_H 1 ++#include <bits/errno.h> ++ ++ compat_text_section ++ENTRY (__getcontext_stub) ++ li r3,ENOSYS ++ b __syscall_error@local ++END (__getcontext_stub) ++ .previous ++ ++compat_symbol (libc, __getcontext_stub, getcontext, GLIBC_2_1) ++ ++#endif +diff -urN dummy-libc/ports-cvstip-20060512/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/setcontext.S +libc24/ports/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/setcontext.S +--- dummy-libc/ports-cvstip-20060512/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/setcontext.S Wed Dec 31 18:00:00 1969 ++++ libc24/ports/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/setcontext.S Thu Jun 01 15:31:03 2006 +@@ -0,0 +1,59 @@ ++/* Jump to a new context. ++ Copyright (C) 2002, 2004, 2005 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. */ ++ ++#include <sysdep.h> ++#include <rtld-global-offsets.h> ++#include <shlib-compat.h> ++ ++#define __ASSEMBLY__ ++#include <asm/ptrace.h> ++#include "ucontext_i.h" ++ ++#define __CONTEXT_FUNC_NAME __setcontext ++#undef __CONTEXT_ENABLE_FPRS ++#undef __CONTEXT_ENABLE_VRS ++ ++#include "setcontext-common.S" ++ ++versioned_symbol (libc, __setcontext, setcontext, GLIBC_2_3_4) ++ ++#if SHLIB_COMPAT (libc, GLIBC_2_3_3, GLIBC_2_3_4) ++ ++/* For the nofpu case the old/new versions are the same function. */ ++strong_alias (__setcontext, __novec_setcontext) ++ ++compat_symbol (libc, __novec_setcontext, setcontext, GLIBC_2_3_3) ++ ++#endif ++ ++#if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_3_3) ++ ++#define _ERRNO_H 1 ++#include <bits/errno.h> ++ ++ compat_text_section ++ENTRY (__setcontext_stub) ++ li r3,ENOSYS ++ b __syscall_error@local ++END (__setcontext_stub) ++ .previous ++ ++compat_symbol (libc, __setcontext_stub, setcontext, GLIBC_2_0) ++ ++#endif +diff -urN dummy-libc/ports-cvstip-20060512/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/swapcontext.S +libc24/ports/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/swapcontext.S +--- dummy-libc/ports-cvstip-20060512/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/swapcontext.S Wed Dec 31 18:00:00 1969 ++++ libc24/ports/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/swapcontext.S Thu Jun 01 15:31:03 2006 +@@ -0,0 +1,59 @@ ++/* Save current context and jump to a new context. ++ Copyright (C) 2002, 2004, 2005 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. */ ++ ++#include <sysdep.h> ++#include <rtld-global-offsets.h> ++#include <shlib-compat.h> ++ ++#define __ASSEMBLY__ ++#include <asm/ptrace.h> ++#include "ucontext_i.h" ++ ++#define __CONTEXT_FUNC_NAME __swapcontext ++#undef __CONTEXT_ENABLE_FPRS ++#undef __CONTEXT_ENABLE_VRS ++ ++# include "swapcontext-common.S" ++ ++versioned_symbol (libc, __swapcontext, swapcontext, GLIBC_2_3_4) ++ ++#if SHLIB_COMPAT (libc, GLIBC_2_3_3, GLIBC_2_3_4) ++ ++/* For the nofpu case the old/new versions are the same function. */ ++strong_alias (__swapcontext, __novec_swapcontext) ++ ++compat_symbol (libc, __novec_swapcontext, swapcontext, GLIBC_2_3_3) ++ ++#endif ++ ++#if SHLIB_COMPAT (libc, GLIBC_2_1, GLIBC_2_3_3) ++ ++#define _ERRNO_H 1 ++#include <bits/errno.h> ++ ++ compat_text_section ++ENTRY (__swapcontext_stub) ++ li r3,ENOSYS ++ b __syscall_error@local ++END (__swapcontext_stub) ++ .previous ++ ++compat_symbol (libc, __swapcontext_stub, swapcontext, GLIBC_2_1) ++ ++#endif + |