Take 2: CRIS/CRISv32 port, newlib part (first part)
Hans-Peter Nilsson
hans-peter.nilsson@axis.com
Thu Jan 27 23:30:00 GMT 2005
> Date: Thu, 27 Jan 2005 15:06:16 -0500
> From: Jeff Johnston <jjohnstn@redhat.com>
> Please resubmit the entire patch including your fix for memmove.c. It makes my
> life easier as I need to reapply this elsewhere. I have already accepted the
> top-level Makefile patch. Once that is done, you have permission to directly
> change the newlib and libgloss cris-specific files. Please submit the patches
> to this list even though you will be committing them directly.
Thanks. Here we go. At the top is a toplevel configure.in
patch needed to lift the disabling of newlib and libgloss. I'll
apply it after you've applied the newlib stuff, but feel free to
apply it; you'll need it for devo anyway.
toplevel:
2005-01-28 Hans-Peter Nilsson <hp@axis.com>
* configure.in (noconfigdirs) <crisv32-*-*>: Match like cris-*-*.
<crisv32-*-*, cris-*-*>: Only disable target-newlib and
target-libgloss when not *-*-elf and *-*-aout.
* configure: Regenerate.
Index: configure.in
===================================================================
RCS file: /cvs/gcc/gcc/configure.in,v
retrieving revision 1.338
diff -c -p -r1.338 configure.in
*** configure.in 16 Dec 2004 19:50:41 -0000 1.338
--- configure.in 27 Jan 2005 23:14:29 -0000
*************** case "${target}" in
*** 500,507 ****
c54x*-*-* | tic54x-*-*)
noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
;;
! cris-*-*)
! noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
;;
crx-*-*)
noconfigdirs="$noconfigdirs target-libstdc++-v3 target-mudflap ${libgcj}"
--- 500,512 ----
c54x*-*-* | tic54x-*-*)
noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
;;
! cris-*-* | crisv32-*-*)
! case "${target}" in
! *-*-elf | *-*-aout)
! noconfigdirs="$noconfigdirs ${libgcj}";;
! *)
! noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss";;
! esac
;;
crx-*-*)
noconfigdirs="$noconfigdirs target-libstdc++-v3 target-mudflap ${libgcj}"
newlib:
2005-01-28 Hans-Peter Nilsson <hp@axis.com>
* configure.host: Add support for cris-*-* and crisv32-*-*.
* libc/include/machine/ieeefp.h: Ditto.
* libc/include/machine/setjmp.h: Ditto.
* libc/machine/cris/configure.in, libc/machine/cris/Makefile.am,
libc/machine/cris/libcdtor.c, libc/machine/cris/setjmp.c,
libc/machine/cris/memmove.c, libc/machine/cris/memcpy.c,
libc/machine/cris/memset.c, libc/machine/cris/include/pthread.h,
libc/machine/cris/sys/signal.h, libc/machine/cris/sys/fcntl.h,
libc/machine/cris/sys/errno.h, libc/machine/cris/aclocal.m4,
libc/machine/cris/configure, libc/machine/cris/Makefile.in: New
files.
Index: configure.host
===================================================================
RCS file: /cvs/src/src/newlib/configure.host,v
retrieving revision 1.66
diff -c -p -r1.66 configure.host
*** configure.host 5 Oct 2004 19:44:24 -0000 1.66
--- configure.host 27 Jan 2005 23:25:36 -0000
*************** case "${host_cpu}" in
*** 93,98 ****
--- 93,101 ----
avr*)
newlib_cflags="${newlib_cflags} -DPREFER_SIZE_OVER_SPEED -mcall-prologues"
;;
+ cris | crisv32)
+ machine_dir=cris
+ ;;
crx*)
machine_dir=crx
;;
*************** case "${host}" in
*** 502,507 ****
--- 505,514 ----
avr*)
newlib_cflags="${newlib_cflags} -DNO_EXEC -DSMALL_MEMORY -DMISSING_SYSCALL_NAMES"
;;
+ cris-*-* | crisv32-*-*)
+ newlib_cflags="${newlib_cflags} -DHAVE_RENAME -DHAVE_GETTIMEOFDAY -D_USE_WRITE"
+ syscall_dir=syscalls
+ ;;
crx-*-*)
newlib_cflags="${newlib_cflags} -DHAVE_RENAME -DMISSING_SYSCALL_NAMES"
syscall_dir=
Index: libc/include/machine/ieeefp.h
===================================================================
RCS file: /cvs/src/src/newlib/libc/include/machine/ieeefp.h,v
retrieving revision 1.24
diff -c -p -r1.24 ieeefp.h
*** libc/include/machine/ieeefp.h 5 Oct 2004 19:44:24 -0000 1.24
--- libc/include/machine/ieeefp.h 27 Jan 2005 23:25:36 -0000
***************
*** 265,270 ****
--- 265,274 ----
#endif /* __ARMEL__ */
#endif /* __MAVERICK__ */
+ #ifdef __CRIS__
+ #define __IEEE_LITTLE_ENDIAN
+ #endif
+
#ifndef __IEEE_BIG_ENDIAN
#ifndef __IEEE_LITTLE_ENDIAN
#error Endianess not declared!!
Index: libc/include/machine/setjmp.h
===================================================================
RCS file: /cvs/src/src/newlib/libc/include/machine/setjmp.h,v
retrieving revision 1.22
diff -c -p -r1.22 setjmp.h
*** libc/include/machine/setjmp.h 25 Oct 2004 17:53:19 -0000 1.22
--- libc/include/machine/setjmp.h 27 Jan 2005 23:25:36 -0000
*************** _BEGIN_STD_C
*** 205,210 ****
--- 205,214 ----
#define _JBLEN 8
#endif
+ #ifdef __CRIS__
+ #define _JBLEN 18
+ #endif
+
#ifdef _JBLEN
#ifdef _JBTYPE
typedef _JBTYPE jmp_buf[_JBLEN];
--- /dev/null Tue Oct 29 15:57:07 2002
+++ libc/machine/cris/configure.in Tue May 2 18:09:58 2000
@@ -0,0 +1,12 @@
+dnl This is the newlib/libc/machine/cris configure.in file.
+dnl Process this file with autoconf to produce a configure script.
+
+AC_PREREQ(2.5)
+AC_INIT(setjmp.c)
+
+dnl Can't be done in NEWLIB_CONFIGURE because that confuses automake.
+AC_CONFIG_AUX_DIR(../../../..)
+
+NEWLIB_CONFIGURE(../../..)
+
+AC_OUTPUT(Makefile)
--- /dev/null Tue Oct 29 15:57:07 2002
+++ libc/machine/cris/Makefile.am Wed Jan 5 15:43:01 2005
@@ -0,0 +1,21 @@
+## Process this file with automake to generate Makefile.in
+
+AUTOMAKE_OPTIONS = cygnus
+
+INCLUDES = $(NEWLIB_CFLAGS) $(CROSS_CFLAGS) $(TARGET_CFLAGS)
+
+noinst_LIBRARIES = lib.a
+
+# We also make a library with just the useful
+# machine-but-not-system-specific functions, usable as an add-on
+# by itself together with e.g. uclibc.
+toollib_LIBRARIES = libic.a
+
+lib_a_SOURCES = setjmp.c memcpy.c memset.c memmove.c libcdtor.c
+
+libic_a_SOURCES = setjmp.c memcpy.c memset.c memmove.c libcdtor.c
+tooldir = $(exec_prefix)/$(host_alias)
+toollibdir = $(tooldir)/lib$(MULTISUBDIR)
+
+ACLOCAL_AMFLAGS = -I ../../..
+CONFIG_STATUS_DEPENDENCIES = $(newlib_basedir)/configure.host
--- /dev/null Tue Oct 29 15:57:07 2002
+++ libc/machine/cris/libcdtor.c Tue Jan 25 12:46:07 2005
@@ -0,0 +1,88 @@
+/* Call ctors and dtors from elinux a.out shared libraries.
+ Copyright (C) 1999, 2000, 2003, 2004, 2005 Axis Communications.
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions
+ are met:
+
+ 1. Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+
+ 2. Neither the name of Axis Communications nor the names of its
+ contributors may be used to endorse or promote products derived
+ from this software without specific prior written permission.
+
+ THIS SOFTWARE IS PROVIDED BY AXIS COMMUNICATIONS AND ITS CONTRIBUTORS
+ ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL AXIS
+ COMMUNICATIONS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ POSSIBILITY OF SUCH DAMAGE. */
+
+typedef void (*vfnp) (void);
+
+/* The guts of the _Libctors and _Libdtors is "optimized" away into
+ empty functions when the definition is visible as well. Simplest
+ solution is to emit the definitions as asm. We have no .previous
+ directive in a.out, so we rely on the fact that everything in this
+ file goes into the .text section. */
+__asm__
+(
+ ".text\n\t.global .$global.lib.ctors\n.$global.lib.ctors:\n\t.dword 0"
+);
+__asm__
+(
+ ".text\n\t.global .$global.lib.dtors\n.$global.lib.dtors:\n\t.dword 0"
+);
+
+extern vfnp * const _Ctors asm(".$global.lib.ctors");
+extern vfnp * const _Dtors asm(".$global.lib.dtors");
+
+/* We better provide weak empty ctor and dtor lists, since they are not
+ created if the main program does not have ctor/dtors. */
+
+static vfnp const defaultors[] = {0, 0};
+
+extern vfnp * __CTOR_LIST__ __attribute__ ((weak, alias ("defaultors")));
+extern vfnp * __DTOR_LIST__ __attribute__ ((weak, alias ("defaultors")));
+
+void
+_Libctors (void)
+{
+ const vfnp *firstor = _Ctors;
+ const vfnp *ctors;
+
+ /* Have to find the last ctor; they will run in opposite order as in
+ the table. */
+ if (firstor != 0 && *firstor != 0)
+ {
+ for (ctors = firstor; *ctors != 0; ctors++)
+ ;
+
+ while (--ctors != firstor)
+ {
+ (**ctors)();
+ }
+
+ (**ctors)();
+ }
+}
+
+void
+_Libdtors(void)
+{
+ const vfnp *dtors = _Dtors;
+
+ if (dtors)
+ while (*dtors != 0)
+ {
+ (**dtors++) ();
+ }
+}
--- /dev/null Tue Oct 29 15:57:07 2002
+++ libc/machine/cris/setjmp.c Tue Jan 25 12:47:57 2005
@@ -0,0 +1,212 @@
+/* A setjmp.c for CRIS
+ Copyright (C) 1993-2005 Axis Communications.
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions
+ are met:
+
+ 1. Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+
+ 2. Neither the name of Axis Communications nor the names of its
+ contributors may be used to endorse or promote products derived
+ from this software without specific prior written permission.
+
+ THIS SOFTWARE IS PROVIDED BY AXIS COMMUNICATIONS AND ITS CONTRIBUTORS
+ ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL AXIS
+ COMMUNICATIONS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ POSSIBILITY OF SUCH DAMAGE. */
+
+/* For benefit of CRIS v0..v3, we save and restore CCR to be able to
+ correctly handle DI/EI; otherwise there would be no reason to save it.
+ Note also that the "move x,ccr" does NOT affect
+ the DMA enable bits (E and D) of v0..v3.
+
+ We do not save mof; it is call-clobbered. It also does not exist in
+ v0..v8; it should be safe to read or write to it there, but better not.
+
+ jmp_buf[0] - PC
+ jmp_buf[1] - SP (R14)
+ jmp_buf[2] - R13
+ jmp_buf[3] - R12
+ jmp_buf[4] - R11
+ jmp_buf[5] - R10
+ jmp_buf[6] - R9
+ jmp_buf[7] - R8
+ jmp_buf[8] - R7
+ jmp_buf[9] - R6
+ jmp_buf[10] - R5
+ jmp_buf[11] - R4
+ jmp_buf[12] - R3
+ jmp_buf[13] - R2
+ jmp_buf[14] - R1
+ jmp_buf[15] - R0
+ jmp_buf[16] - SRP
+ jmp_buf[17] - CCR
+ */
+
+#include <setjmp.h>
+
+int
+setjmp (jmp_buf buf)
+{
+ int ret;
+#if defined (__arch_common_v10_v32) || defined (__arch_v32)
+ /* No offsets in the compatibility mode. Also, movem saves in
+ different order on v10 than on v32, so we use single move
+ instructions instead, this not being a speed-prioritized operation.
+ And we don't save CCR or CCS; since long unuseful. */
+ __asm__ __volatile__
+ ("move.d %1,$r13 \n\
+ move 0f,$mof \n\
+ move $mof,[$r13+] \n\
+ move.d $sp,[$r13+] \n\
+ clear.d [$r13+] \n\
+ move.d $r12,[$r13+] \n\
+ move.d $r11,[$r13+] \n\
+ move.d $r10,[$r13+] \n\
+ moveq 1,$r9 \n\
+ move.d $r9,[$r13+] \n\
+ move.d $r8,[$r13+] \n\
+ move.d $r7,[$r13+] \n\
+ move.d $r6,[$r13+] \n\
+ move.d $r5,[$r13+] \n\
+ move.d $r4,[$r13+] \n\
+ move.d $r3,[$r13+] \n\
+ move.d $r2,[$r13+] \n\
+ move.d $r1,[$r13+] \n\
+ move.d $r0,[$r13+] \n\
+ move $srp,[$r13+] \n\
+ clear.d [$r13+] \n\
+ clear.d $r9 \n\
+0: \n\
+ move.d $r9,%0"
+
+ /* Output. */
+ : "=&r" (ret)
+
+ /* Input. */
+ : "r" (buf)
+
+ /* Clobber. */
+ : "r9", "r13", "memory");
+#else /* not __arch_common_v10_v32 or __arch_v32 */
+#ifdef __PIC__
+ __asm__ __volatile__
+ ("moveq 1,$r9 \n\
+ movem $sp,[%1+1*4] \n\
+ move.d $pc,$r9 \n\
+ addq 0f-.,$r9 \n\
+ move.d $r9,[%1] \n\
+ move $srp,[%1+16*4] \n\
+ move $ccr,[%1+17*4] \n\
+ clear.d $r9 \n\
+0: \n\
+ move.d $r9,%0"
+
+ /* Output. */
+ : "=&r" (ret)
+
+ /* Input. */
+ : "r" (buf)
+
+ /* Clobber. */
+ : "r9", "memory");
+#else /* not PIC */
+ __asm__ __volatile__
+ ("moveq 1,$r9 \n\
+ movem $sp,[%1+1*4] \n\
+ move.d 0f,$r9 \n\
+ move.d $r9,[%1] \n\
+ move $srp,[%1+16*4] \n\
+ move $ccr,[%1+17*4] \n\
+ clear.d $r9 \n\
+0: \n\
+ move.d $r9,%0"
+
+ /* Output. */
+ : "=&r" (ret)
+
+ /* Input. */
+ : "r" (buf)
+
+ /* Clobber. */
+ : "r9");
+#endif /* not PIC */
+#endif /* not __arch_common_v10_v32 or __arch_v32 */
+ return ret;
+}
+
+void
+longjmp(jmp_buf buf, int val)
+{
+#if defined (__arch_common_v10_v32) || defined (__arch_v32)
+ __asm__ __volatile__
+ ("cmpq 0,%1 \n\
+ beq 0f \n\
+ move.d %0,$r13 ; In delay-slot. \n\
+ addq 6*4,$r13 \n\
+ move.d %1,[$r13] \n\
+ subq 6*4,$r13 \n\
+0:\n"
+#ifdef __arch_common_v10_v32
+ /* Cater to branch offset difference between v32 and v10. We
+ assume the branch above is 8-bit. */
+" setf\n"
+#endif
+" move [$r13+],$mof \n\
+ move.d [$r13+],$sp \n\
+ addq 4,$r13 \n\
+ move.d [$r13+],$r12 \n\
+ move.d [$r13+],$r11 \n\
+ move.d [$r13+],$r10 \n\
+ move.d [$r13+],$r9 \n\
+ move.d [$r13+],$r8 \n\
+ move.d [$r13+],$r7 \n\
+ move.d [$r13+],$r6 \n\
+ move.d [$r13+],$r5 \n\
+ move.d [$r13+],$r4 \n\
+ move.d [$r13+],$r3 \n\
+ move.d [$r13+],$r2 \n\
+ move.d [$r13+],$r1 \n\
+ move.d [$r13+],$r0 \n\
+ move [$r13+],$srp \n\
+ move $mof,$r13 \n\
+ jump $r13 \n\
+ setf"
+
+ /* No outputs. */
+ :
+
+ /* Inputs. */
+ : "r" (buf), "r" (val)
+ : "r13", "memory");
+
+#else /* not __arch_common_v10_v32 or __arch_v32 */
+ __asm__ __volatile__
+ ("move [%0+17*4],$ccr \n\
+ move [%0+16*4],$srp \n\
+ test.d %1 \n\
+ beq 0f \n\
+ nop \n\
+ move.d %1,[%0+6*4] ; Offset for r9. \n\
+0: \n\
+ movem [%0],$pc"
+
+ /* No outputs. */
+ :
+
+ /* Inputs. */
+ : "r" (buf), "r" (val)
+ : "memory");
+#endif /* not __arch_common_v10_v32 or __arch_v32 */
+}
--- /dev/null Tue Oct 29 15:57:07 2002
+++ libc/machine/cris/memmove.c Wed Jan 26 15:30:19 2005
@@ -0,0 +1,257 @@
+/* A memmove for CRIS.
+ Copyright (C) 2000-2005 Axis Communications.
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions
+ are met:
+
+ 1. Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+
+ 2. Neither the name of Axis Communications nor the names of its
+ contributors may be used to endorse or promote products derived
+ from this software without specific prior written permission.
+
+ THIS SOFTWARE IS PROVIDED BY AXIS COMMUNICATIONS AND ITS CONTRIBUTORS
+ ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL AXIS
+ COMMUNICATIONS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ POSSIBILITY OF SUCH DAMAGE. */
+
+/* FIXME: This file should really only be used for reference, as the
+ result is somewhat depending on gcc generating what we expect rather
+ than what we describe. An assembly file should be used instead.
+
+ Even worse, we base it on memcpy, on the assumption that overlapping
+ moves are rare, and we will do no worse than the generic memmove. */
+
+#include <stddef.h>
+
+/* Break even between movem and move16 is really at 38.7 * 2, but
+ modulo 44, so up to the next multiple of 44, we use ordinary code. */
+#define MEMMOVE_BY_BLOCK_THRESHOLD (44 * 2)
+
+/* No name ambiguities in this file. */
+__asm__ (".syntax no_register_prefix");
+
+void *
+memmove(void *pdst, const void *psrc, size_t pn)
+{
+ /* Now we want the parameters put in special registers.
+ Make sure the compiler is able to make something useful of this.
+ As it is now: r10 -> r13; r11 -> r11 (nop); r12 -> r12 (nop).
+
+ If gcc was allright, it really would need no temporaries, and no
+ stack space to save stuff on. */
+
+ register void *return_dst __asm__ ("r10") = pdst;
+ register unsigned char *dst __asm__ ("r13") = pdst;
+ register unsigned const char *src __asm__ ("r11") = psrc;
+ register int n __asm__ ("r12") = pn;
+
+ /* Check and handle overlap. */
+ if (src < dst && dst < src + n)
+ {
+ /* Destructive overlap. We could optimize this, but we don't (for
+ the moment). */
+ src += n;
+ dst += n;
+ while (n--)
+ {
+ *--dst = *--src;
+ }
+
+ return return_dst;
+ }
+ /* Whew, no overlap. Proceed as with memcpy. We could call it instead
+ of having a copy here. That would spoil some of the optimization, so
+ we take the trouble with having two copies. */
+
+ /* When src is aligned but not dst, this makes a few extra needless
+ cycles. I believe it would take as many to check that the
+ re-alignment was unnecessary. */
+ if (((unsigned long) dst & 3) != 0
+ /* Don't align if we wouldn't copy more than a few bytes; so we
+ don't have to check further for overflows. */
+ && n >= 3)
+ {
+ if ((unsigned long) dst & 1)
+ {
+ n--;
+ *dst = *src;
+ src++;
+ dst++;
+ }
+
+ if ((unsigned long) dst & 2)
+ {
+ n -= 2;
+ *(short *) dst = *(short *) src;
+ src += 2;
+ dst += 2;
+ }
+ }
+
+ /* Decide which copying method to use. */
+ if (n >= MEMMOVE_BY_BLOCK_THRESHOLD)
+ {
+ /* It is not optimal to tell the compiler about clobbering any
+ registers; that will move the saving/restoring of those registers
+ to the function prologue/epilogue, and make non-movem sizes
+ suboptimal. */
+ __asm__ volatile
+ ("\
+ ;; GCC does promise correct register allocations, but let's \n\
+ ;; make sure it keeps its promises. \n\
+ .ifnc %0-%1-%2,$r13-$r11-$r12 \n\
+ .error \"GCC reg alloc bug: %0-%1-%4 != $r13-$r12-$r11\" \n\
+ .endif \n\
+ \n\
+ ;; Save the registers we'll use in the movem process \n\
+ ;; on the stack. \n\
+ subq 11*4,sp \n\
+ movem r10,[sp] \n\
+ \n\
+ ;; Now we've got this: \n\
+ ;; r11 - src \n\
+ ;; r13 - dst \n\
+ ;; r12 - n \n\
+ \n\
+ ;; Update n for the first loop. \n\
+ subq 44,r12 \n\
+0: \n\
+"
+#ifdef __arch_common_v10_v32
+ /* Cater to branch offset difference between v32 and v10. We
+ assume the branch below has an 8-bit offset. */
+" setf\n"
+#endif
+" movem [r11+],r10 \n\
+ subq 44,r12 \n\
+ bge 0b \n\
+ movem r10,[r13+] \n\
+ \n\
+ ;; Compensate for last loop underflowing n. \n\
+ addq 44,r12 \n\
+ \n\
+ ;; Restore registers from stack. \n\
+ movem [sp+],r10"
+
+ /* Outputs. */
+ : "=r" (dst), "=r" (src), "=r" (n)
+
+ /* Inputs. */
+ : "0" (dst), "1" (src), "2" (n));
+ }
+
+ while (n >= 16)
+ {
+ *(long *) dst = *(long *) src; dst += 4; src += 4;
+ *(long *) dst = *(long *) src; dst += 4; src += 4;
+ *(long *) dst = *(long *) src; dst += 4; src += 4;
+ *(long *) dst = *(long *) src; dst += 4; src += 4;
+
+ n -= 16;
+ }
+
+ switch (n)
+ {
+ case 0:
+ break;
+
+ case 1:
+ *dst = *src;
+ break;
+
+ case 2:
+ *(short *) dst = *(short *) src;
+ break;
+
+ case 3:
+ *(short *) dst = *(short *) src; dst += 2; src += 2;
+ *dst = *src;
+ break;
+
+ case 4:
+ *(long *) dst = *(long *) src;
+ break;
+
+ case 5:
+ *(long *) dst = *(long *) src; dst += 4; src += 4;
+ *dst = *src;
+ break;
+
+ case 6:
+ *(long *) dst = *(long *) src; dst += 4; src += 4;
+ *(short *) dst = *(short *) src;
+ break;
+
+ case 7:
+ *(long *) dst = *(long *) src; dst += 4; src += 4;
+ *(short *) dst = *(short *) src; dst += 2; src += 2;
+ *dst = *src;
+ break;
+
+ case 8:
+ *(long *) dst = *(long *) src; dst += 4; src += 4;
+ *(long *) dst = *(long *) src;
+ break;
+
+ case 9:
+ *(long *) dst = *(long *) src; dst += 4; src += 4;
+ *(long *) dst = *(long *) src; dst += 4; src += 4;
+ *dst = *src;
+ break;
+
+ case 10:
+ *(long *) dst = *(long *) src; dst += 4; src += 4;
+ *(long *) dst = *(long *) src; dst += 4; src += 4;
+ *(short *) dst = *(short *) src;
+ break;
+
+ case 11:
+ *(long *) dst = *(long *) src; dst += 4; src += 4;
+ *(long *) dst = *(long *) src; dst += 4; src += 4;
+ *(short *) dst = *(short *) src; dst += 2; src += 2;
+ *dst = *src;
+ break;
+
+ case 12:
+ *(long *) dst = *(long *) src; dst += 4; src += 4;
+ *(long *) dst = *(long *) src; dst += 4; src += 4;
+ *(long *) dst = *(long *) src;
+ break;
+
+ case 13:
+ *(long *) dst = *(long *) src; dst += 4; src += 4;
+ *(long *) dst = *(long *) src; dst += 4; src += 4;
+ *(long *) dst = *(long *) src; dst += 4; src += 4;
+ *dst = *src;
+ break;
+
+ case 14:
+ *(long *) dst = *(long *) src; dst += 4; src += 4;
+ *(long *) dst = *(long *) src; dst += 4; src += 4;
+ *(long *) dst = *(long *) src; dst += 4; src += 4;
+ *(short *) dst = *(short *) src;
+ break;
+
+ case 15:
+ *(long *) dst = *(long *) src; dst += 4; src += 4;
+ *(long *) dst = *(long *) src; dst += 4; src += 4;
+ *(long *) dst = *(long *) src; dst += 4; src += 4;
+ *(short *) dst = *(short *) src; dst += 2; src += 2;
+ *dst = *src;
+ break;
+ }
+
+ return return_dst;
+}
--- /dev/null Tue Oct 29 15:57:07 2002
+++ libc/machine/cris/memcpy.c Tue Jan 25 12:46:38 2005
@@ -0,0 +1,236 @@
+/* A memcpy for CRIS.
+ Copyright (C) 1994-2005 Axis Communications.
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions
+ are met:
+
+ 1. Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+
+ 2. Neither the name of Axis Communications nor the names of its
+ contributors may be used to endorse or promote products derived
+ from this software without specific prior written permission.
+
+ THIS SOFTWARE IS PROVIDED BY AXIS COMMUNICATIONS AND ITS CONTRIBUTORS
+ ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL AXIS
+ COMMUNICATIONS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ POSSIBILITY OF SUCH DAMAGE. */
+
+/* FIXME: This file should really only be used for reference, as the
+ result is somewhat depending on gcc generating what we expect rather
+ than what we describe. An assembly file should be used instead. */
+
+#include <stddef.h>
+
+/* Break even between movem and move16 is really at 38.7 * 2, but
+ modulo 44, so up to the next multiple of 44, we use ordinary code. */
+#define MEMCPY_BY_BLOCK_THRESHOLD (44 * 2)
+
+/* No name ambiguities in this file. */
+__asm__ (".syntax no_register_prefix");
+
+void *
+memcpy(void *pdst, const void *psrc, size_t pn)
+{
+ /* Now we want the parameters put in special registers.
+ Make sure the compiler is able to make something useful of this.
+ As it is now: r10 -> r13; r11 -> r11 (nop); r12 -> r12 (nop).
+
+ If gcc was allright, it really would need no temporaries, and no
+ stack space to save stuff on. */
+
+ register void *return_dst __asm__ ("r10") = pdst;
+ register unsigned char *dst __asm__ ("r13") = pdst;
+ register unsigned const char *src __asm__ ("r11") = psrc;
+ register int n __asm__ ("r12") = pn;
+
+ /* When src is aligned but not dst, this makes a few extra needless
+ cycles. I believe it would take as many to check that the
+ re-alignment was unnecessary. */
+ if (((unsigned long) dst & 3) != 0
+ /* Don't align if we wouldn't copy more than a few bytes; so we
+ don't have to check further for overflows. */
+ && n >= 3)
+ {
+ if ((unsigned long) dst & 1)
+ {
+ n--;
+ *dst = *src;
+ src++;
+ dst++;
+ }
+
+ if ((unsigned long) dst & 2)
+ {
+ n -= 2;
+ *(short *) dst = *(short *) src;
+ src += 2;
+ dst += 2;
+ }
+ }
+
+ /* Decide which copying method to use. */
+ if (n >= MEMCPY_BY_BLOCK_THRESHOLD)
+ {
+ /* It is not optimal to tell the compiler about clobbering any
+ registers; that will move the saving/restoring of those registers
+ to the function prologue/epilogue, and make non-movem sizes
+ suboptimal. */
+ __asm__ volatile
+ ("\
+ ;; GCC does promise correct register allocations, but let's \n\
+ ;; make sure it keeps its promises. \n\
+ .ifnc %0-%1-%2,$r13-$r11-$r12 \n\
+ .error \"GCC reg alloc bug: %0-%1-%4 != $r13-$r12-$r11\" \n\
+ .endif \n\
+ \n\
+ ;; Save the registers we'll use in the movem process \n\
+ ;; on the stack. \n\
+ subq 11*4,sp \n\
+ movem r10,[sp] \n\
+ \n\
+ ;; Now we've got this: \n\
+ ;; r11 - src \n\
+ ;; r13 - dst \n\
+ ;; r12 - n \n\
+ \n\
+ ;; Update n for the first loop. \n\
+ subq 44,r12 \n\
+0: \n\
+"
+#ifdef __arch_common_v10_v32
+ /* Cater to branch offset difference between v32 and v10. We
+ assume the branch below has an 8-bit offset. */
+" setf\n"
+#endif
+" movem [r11+],r10 \n\
+ subq 44,r12 \n\
+ bge 0b \n\
+ movem r10,[r13+] \n\
+ \n\
+ ;; Compensate for last loop underflowing n. \n\
+ addq 44,r12 \n\
+ \n\
+ ;; Restore registers from stack. \n\
+ movem [sp+],r10"
+
+ /* Outputs. */
+ : "=r" (dst), "=r" (src), "=r" (n)
+
+ /* Inputs. */
+ : "0" (dst), "1" (src), "2" (n));
+ }
+
+ while (n >= 16)
+ {
+ *(long *) dst = *(long *) src; dst += 4; src += 4;
+ *(long *) dst = *(long *) src; dst += 4; src += 4;
+ *(long *) dst = *(long *) src; dst += 4; src += 4;
+ *(long *) dst = *(long *) src; dst += 4; src += 4;
+
+ n -= 16;
+ }
+
+ switch (n)
+ {
+ case 0:
+ break;
+
+ case 1:
+ *dst = *src;
+ break;
+
+ case 2:
+ *(short *) dst = *(short *) src;
+ break;
+
+ case 3:
+ *(short *) dst = *(short *) src; dst += 2; src += 2;
+ *dst = *src;
+ break;
+
+ case 4:
+ *(long *) dst = *(long *) src;
+ break;
+
+ case 5:
+ *(long *) dst = *(long *) src; dst += 4; src += 4;
+ *dst = *src;
+ break;
+
+ case 6:
+ *(long *) dst = *(long *) src; dst += 4; src += 4;
+ *(short *) dst = *(short *) src;
+ break;
+
+ case 7:
+ *(long *) dst = *(long *) src; dst += 4; src += 4;
+ *(short *) dst = *(short *) src; dst += 2; src += 2;
+ *dst = *src;
+ break;
+
+ case 8:
+ *(long *) dst = *(long *) src; dst += 4; src += 4;
+ *(long *) dst = *(long *) src;
+ break;
+
+ case 9:
+ *(long *) dst = *(long *) src; dst += 4; src += 4;
+ *(long *) dst = *(long *) src; dst += 4; src += 4;
+ *dst = *src;
+ break;
+
+ case 10:
+ *(long *) dst = *(long *) src; dst += 4; src += 4;
+ *(long *) dst = *(long *) src; dst += 4; src += 4;
+ *(short *) dst = *(short *) src;
+ break;
+
+ case 11:
+ *(long *) dst = *(long *) src; dst += 4; src += 4;
+ *(long *) dst = *(long *) src; dst += 4; src += 4;
+ *(short *) dst = *(short *) src; dst += 2; src += 2;
+ *dst = *src;
+ break;
+
+ case 12:
+ *(long *) dst = *(long *) src; dst += 4; src += 4;
+ *(long *) dst = *(long *) src; dst += 4; src += 4;
+ *(long *) dst = *(long *) src;
+ break;
+
+ case 13:
+ *(long *) dst = *(long *) src; dst += 4; src += 4;
+ *(long *) dst = *(long *) src; dst += 4; src += 4;
+ *(long *) dst = *(long *) src; dst += 4; src += 4;
+ *dst = *src;
+ break;
+
+ case 14:
+ *(long *) dst = *(long *) src; dst += 4; src += 4;
+ *(long *) dst = *(long *) src; dst += 4; src += 4;
+ *(long *) dst = *(long *) src; dst += 4; src += 4;
+ *(short *) dst = *(short *) src;
+ break;
+
+ case 15:
+ *(long *) dst = *(long *) src; dst += 4; src += 4;
+ *(long *) dst = *(long *) src; dst += 4; src += 4;
+ *(long *) dst = *(long *) src; dst += 4; src += 4;
+ *(short *) dst = *(short *) src; dst += 2; src += 2;
+ *dst = *src;
+ break;
+ }
+
+ return return_dst;
+}
--- /dev/null Tue Oct 29 15:57:07 2002
+++ libc/machine/cris/memset.c Wed Jan 26 15:33:12 2005
@@ -0,0 +1,259 @@
+/* A memset for CRIS.
+ Copyright (C) 1999-2005 Axis Communications.
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions
+ are met:
+
+ 1. Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+
+ 2. Neither the name of Axis Communications nor the names of its
+ contributors may be used to endorse or promote products derived
+ from this software without specific prior written permission.
+
+ THIS SOFTWARE IS PROVIDED BY AXIS COMMUNICATIONS AND ITS CONTRIBUTORS
+ ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL AXIS
+ COMMUNICATIONS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ POSSIBILITY OF SUCH DAMAGE. */
+
+/* FIXME: This file should really only be used for reference, as the
+ result is somewhat depending on gcc generating what we expect rather
+ than what we describe. An assembly file should be used instead. */
+
+/* Note the multiple occurrence of the expression "12*4", including the
+ asm. It is hard to get it into the asm in a good way. Thus better to
+ expose the problem everywhere: no macro. */
+
+/* Assuming one cycle per dword written or read (ok, not really true; the
+ world is not ideal), and one cycle per instruction, then 43+3*(n/48-1)
+ <= 24+24*(n/48-1) so n >= 45.7; n >= 0.9; we win on the first full
+ 48-byte block to set. */
+
+#define MEMSET_BY_BLOCK_THRESHOLD (1 * 48)
+
+/* No name ambiguities in this file. */
+__asm__ (".syntax no_register_prefix");
+
+void *memset(void *pdst, int c, unsigned int plen)
+{
+ /* Now we want the parameters in special registers. Make sure the
+ compiler does something usable with this. */
+
+ register char *return_dst __asm__ ("r10") = pdst;
+ register int n __asm__ ("r12") = plen;
+ register int lc __asm__ ("r11") = c;
+
+ /* Most apps use memset sanely. Memsetting about 3..4 bytes or less get
+ penalized here compared to the generic implementation. */
+
+ /* This is fragile performancewise at best. Check with newer GCC
+ releases, if they compile cascaded "x |= x << 8" to sane code. */
+ __asm__("movu.b %0,r13 \n\
+ lslq 8,r13 \n\
+ move.b %0,r13 \n\
+ move.d r13,%0 \n\
+ lslq 16,r13 \n\
+ or.d r13,%0"
+ : "=r" (lc) /* Inputs. */
+ : "0" (lc) /* Outputs. */
+ : "r13"); /* Trash. */
+
+ {
+ register char *dst __asm__ ("r13") = pdst;
+
+ if (((unsigned long) pdst & 3) != 0
+ /* Oops! n = 0 must be a valid call, regardless of alignment. */
+ && n >= 3)
+ {
+ if ((unsigned long) dst & 1)
+ {
+ *dst = (char) lc;
+ n--;
+ dst++;
+ }
+
+ if ((unsigned long) dst & 2)
+ {
+ *(short *) dst = lc;
+ n -= 2;
+ dst += 2;
+ }
+ }
+
+ /* Decide which setting method to use. */
+ if (n >= MEMSET_BY_BLOCK_THRESHOLD)
+ {
+ /* It is not optimal to tell the compiler about clobbering any
+ registers; that will move the saving/restoring of those registers
+ to the function prologue/epilogue, and make non-block sizes
+ suboptimal. */
+ __asm__ volatile
+ ("\
+ ;; GCC does promise correct register allocations, but let's \n\
+ ;; make sure it keeps its promises. \n\
+ .ifnc %0-%1-%4,$r13-$r12-$r11 \n\
+ .error \"GCC reg alloc bug: %0-%1-%4 != $r13-$r12-$r11\" \n\
+ .endif \n\
+ \n\
+ ;; Save the registers we'll clobber in the movem process \n\
+ ;; on the stack. Don't mention them to gcc, it will only be \n\
+ ;; upset. \n\
+ subq 11*4,sp \n\
+ movem r10,[sp] \n\
+ \n\
+ move.d r11,r0 \n\
+ move.d r11,r1 \n\
+ move.d r11,r2 \n\
+ move.d r11,r3 \n\
+ move.d r11,r4 \n\
+ move.d r11,r5 \n\
+ move.d r11,r6 \n\
+ move.d r11,r7 \n\
+ move.d r11,r8 \n\
+ move.d r11,r9 \n\
+ move.d r11,r10 \n\
+ \n\
+ ;; Now we've got this: \n\
+ ;; r13 - dst \n\
+ ;; r12 - n \n\
+ \n\
+ ;; Update n for the first loop \n\
+ subq 12*4,r12 \n\
+0: \n\
+"
+#ifdef __arch_common_v10_v32
+ /* Cater to branch offset difference between v32 and v10. We
+ assume the branch below has an 8-bit offset. */
+" setf\n"
+#endif
+" subq 12*4,r12 \n\
+ bge 0b \n\
+ movem r11,[r13+] \n\
+ \n\
+ ;; Compensate for last loop underflowing n. \n\
+ addq 12*4,r12 \n\
+ \n\
+ ;; Restore registers from stack. \n\
+ movem [sp+],r10"
+
+ /* Outputs. */
+ : "=r" (dst), "=r" (n)
+
+ /* Inputs. */
+ : "0" (dst), "1" (n), "r" (lc));
+ }
+
+ /* An ad-hoc unroll, used for 4*12-1..16 bytes. */
+ while (n >= 16)
+ {
+ *(long *) dst = lc; dst += 4;
+ *(long *) dst = lc; dst += 4;
+ *(long *) dst = lc; dst += 4;
+ *(long *) dst = lc; dst += 4;
+ n -= 16;
+ }
+
+ switch (n)
+ {
+ case 0:
+ break;
+
+ case 1:
+ *dst = (char) lc;
+ break;
+
+ case 2:
+ *(short *) dst = (short) lc;
+ break;
+
+ case 3:
+ *(short *) dst = (short) lc; dst += 2;
+ *dst = (char) lc;
+ break;
+
+ case 4:
+ *(long *) dst = lc;
+ break;
+
+ case 5:
+ *(long *) dst = lc; dst += 4;
+ *dst = (char) lc;
+ break;
+
+ case 6:
+ *(long *) dst = lc; dst += 4;
+ *(short *) dst = (short) lc;
+ break;
+
+ case 7:
+ *(long *) dst = lc; dst += 4;
+ *(short *) dst = (short) lc; dst += 2;
+ *dst = (char) lc;
+ break;
+
+ case 8:
+ *(long *) dst = lc; dst += 4;
+ *(long *) dst = lc;
+ break;
+
+ case 9:
+ *(long *) dst = lc; dst += 4;
+ *(long *) dst = lc; dst += 4;
+ *dst = (char) lc;
+ break;
+
+ case 10:
+ *(long *) dst = lc; dst += 4;
+ *(long *) dst = lc; dst += 4;
+ *(short *) dst = (short) lc;
+ break;
+
+ case 11:
+ *(long *) dst = lc; dst += 4;
+ *(long *) dst = lc; dst += 4;
+ *(short *) dst = (short) lc; dst += 2;
+ *dst = (char) lc;
+ break;
+
+ case 12:
+ *(long *) dst = lc; dst += 4;
+ *(long *) dst = lc; dst += 4;
+ *(long *) dst = lc;
+ break;
+
+ case 13:
+ *(long *) dst = lc; dst += 4;
+ *(long *) dst = lc; dst += 4;
+ *(long *) dst = lc; dst += 4;
+ *dst = (char) lc;
+ break;
+
+ case 14:
+ *(long *) dst = lc; dst += 4;
+ *(long *) dst = lc; dst += 4;
+ *(long *) dst = lc; dst += 4;
+ *(short *) dst = (short) lc;
+ break;
+
+ case 15:
+ *(long *) dst = lc; dst += 4;
+ *(long *) dst = lc; dst += 4;
+ *(long *) dst = lc; dst += 4;
+ *(short *) dst = (short) lc; dst += 2;
+ *dst = (char) lc;
+ break;
+ }
+ }
+
+ return return_dst;
+}
--- /dev/null Tue Oct 29 15:57:07 2002
+++ libc/machine/cris/include/pthread.h Tue Jan 25 12:48:31 2005
@@ -0,0 +1,93 @@
+/* pthread.h dummy.
+ Copyright (C) 2001, 2004, 2005 Axis Communications AB.
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions
+ are met:
+
+ 1. Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+
+ 2. Neither the name of Axis Communications nor the names of its
+ contributors may be used to endorse or promote products derived
+ from this software without specific prior written permission.
+
+ THIS SOFTWARE IS PROVIDED BY AXIS COMMUNICATIONS AND ITS CONTRIBUTORS
+ ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL AXIS
+ COMMUNICATIONS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ POSSIBILITY OF SUCH DAMAGE. */
+
+/* Simple fallback-include to enable thread-enabled exception support
+ for libgcc, but with posix-interface to a default-dummy, so a posix
+ library can optionally be linked in, which isn't possible if
+ gthr-single.h is used. No other use is supported; *DO NOT* think
+ this gives you a valid pthread interface to use in your applications. */
+
+#ifndef _PTHREAD_FAKE
+#define _PTHREAD_FAKE
+
+#ifdef __cplusplus
+extern "C" {
+# ifndef __THROW
+# define __THROW throw ()
+# endif
+#else
+# ifndef __THROW
+# define __THROW
+# endif
+#endif
+
+typedef int pthread_once_t;
+typedef unsigned int pthread_key_t;
+
+/* This must be layout-compatible with the linuxthreads type. */
+typedef struct
+{
+ int a, b;
+ void *c;
+ int d;
+ struct { long int e; int f; } g;
+} pthread_mutex_t;
+
+/* This give bits equal to the linuxthreads initializer. */
+#define PTHREAD_MUTEX_INITIALIZER \
+ {0, 0, 0, 0, {0, 0}}
+
+#define PTHREAD_ONCE_INIT 0
+
+/* This isn't the right prototype, but it let's us get away with not
+ defining a lot of datatypes. */
+extern int pthread_create (void) __THROW;
+
+extern int pthread_once (pthread_once_t *, void (*) (void)) __THROW;
+
+extern int pthread_key_create (pthread_key_t *, void (*) (void *)) __THROW;
+
+extern int pthread_setspecific (pthread_key_t, const void *) __THROW;
+
+extern void *pthread_getspecific (pthread_key_t) __THROW;
+
+extern int pthread_mutex_lock (pthread_mutex_t *) __THROW;
+
+extern int pthread_key_delete (pthread_key_t) __THROW;
+
+extern int pthread_mutex_trylock (pthread_mutex_t *) __THROW;
+
+extern int pthread_mutex_unlock (pthread_mutex_t *) __THROW;
+
+#ifdef __cplusplus
+}
+#endif
+
+#undef __THROW
+
+#endif /* not _PTHREAD_FAKE */
--- /dev/null Tue Oct 29 15:57:07 2002
+++ libc/machine/cris/sys/signal.h Mon Jan 24 01:44:18 2005
@@ -0,0 +1,89 @@
+/* This file is to be kept in sync (well, reasonably so, it's quite
+ different) with newlib/libc/include/sys/signal.h on which it is
+ based, except values used or returned by syscalls must be those of
+ the Linux/CRIS kernel. */
+
+/* sys/signal.h */
+
+#ifndef _SYS_SIGNAL_H
+#define _SYS_SIGNAL_H
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "_ansi.h"
+
+typedef unsigned long sigset_t;
+
+/* Adjusted to linux, has unused sa_restorer field and unsigned long
+ sa_flags; relatively unimportant though. */
+/* Type of a signal handler. */
+typedef void (*__sighandler_t)(int);
+
+/* The type used in newlib sources. */
+typedef __sighandler_t _sig_func_ptr;
+
+struct sigaction {
+ __sighandler_t sa_handler;
+ sigset_t sa_mask;
+ unsigned long sa_flags;
+ void (*sa_restorer)(void);
+};
+
+/* Adjusted to glibc; other values. */
+#define SA_NOCLDSTOP 1 /* only value supported now for sa_flags */
+#define SIG_SETMASK 2 /* set mask with sigprocmask() */
+#define SIG_BLOCK 0 /* set of signals to block */
+#define SIG_UNBLOCK 1 /* set of signals to, well, unblock */
+
+/* These depend upon the type of sigset_t, which right now
+ is always a long.. They're in the POSIX namespace, but
+ are not ANSI. */
+#define sigaddset(what,sig) (*(what) |= (1<<(sig)))
+#define sigemptyset(what) (*(what) = 0)
+
+int sigprocmask (int __how, const sigset_t *__a, sigset_t *__b);
+
+#define SIGHUP 1
+#define SIGINT 2
+#define SIGQUIT 3
+#define SIGILL 4
+#define SIGTRAP 5
+#define SIGABRT 6
+#define SIGIOT 6
+#define SIGBUS 7
+#define SIGFPE 8
+#define SIGKILL 9
+#define SIGUSR1 10
+#define SIGSEGV 11
+#define SIGUSR2 12
+#define SIGPIPE 13
+#define SIGALRM 14
+#define SIGTERM 15
+#define SIGSTKFLT 16
+#define SIGCHLD 17
+#define SIGCONT 18
+#define SIGSTOP 19
+#define SIGTSTP 20
+#define SIGTTIN 21
+#define SIGTTOU 22
+#define SIGURG 23
+#define SIGXCPU 24
+#define SIGXFSZ 25
+#define SIGVTALRM 26
+#define SIGPROF 27
+#define SIGWINCH 28
+#define SIGIO 29
+#define SIGPOLL SIGIO
+#define SIGPWR 30
+#define NSIG 31
+
+#ifdef __cplusplus
+}
+#endif
+#ifndef _SIGNAL_H_
+/* Some applications take advantage of the fact that <sys/signal.h>
+ * and <signal.h> are equivalent in glibc. Allow for that here. */
+#include <signal.h>
+#endif
+#endif /* _SYS_SIGNAL_H */
--- /dev/null Tue Oct 29 15:57:07 2002
+++ libc/machine/cris/sys/fcntl.h Mon Jan 24 01:41:29 2005
@@ -0,0 +1,163 @@
+/* This file is to be kept in sync with newlib/libc/include/sys/fcntl.h,
+ on which it is based, except values used or returned by syscalls must
+ be those of the Linux/CRIS kernel. */
+
+#ifndef _FCNTL_
+#ifdef __cplusplus
+extern "C" {
+#endif
+#define _FCNTL_
+#include <_ansi.h>
+#define _FOPEN (-1) /* from sys/file.h, kernel use only */
+#define _FREAD 0x0001 /* read enabled */
+#define _FWRITE 0x0002 /* write enabled */
+#define _FNDELAY 0x0800 /* non blocking I/O (4.2 style) */
+#define _FAPPEND 0x0400 /* append (writes guaranteed at the end) */
+#define _FMARK 0x0010 /* internal; mark during gc() */
+#define _FDEFER 0x0020 /* internal; defer for next gc pass */
+#define _FASYNC 0x2000 /* signal pgrp when data ready */
+#define _FCREAT 0x0040 /* open with file create */
+#define _FTRUNC 0x0200 /* open with truncation */
+#define _FEXCL 0x0080 /* error on open if file exists */
+#define _FNBIO _FNONBLOCK /* non blocking I/O (sys5 style) */
+#define _FSYNC 0x1000 /* do all writes synchronously */
+#define _FNONBLOCK 0x0800 /* non blocking I/O (POSIX style) */
+#define _FNOCTTY 0x0100 /* don't assign a ctty on this open */
+
+#define O_ACCMODE (O_RDONLY|O_WRONLY|O_RDWR)
+
+/*
+ * Flag values for open(2) and fcntl(2)
+ * The kernel adds 1 to the open modes to turn it into some
+ * combination of FREAD and FWRITE.
+ */
+#define O_RDONLY 0 /* +1 == FREAD */
+#define O_WRONLY 1 /* +1 == FWRITE */
+#define O_RDWR 2 /* +1 == FREAD|FWRITE */
+#define O_APPEND _FAPPEND
+#define O_CREAT _FCREAT
+#define O_TRUNC _FTRUNC
+#define O_EXCL _FEXCL
+/* O_SYNC _FSYNC not posix, defined below */
+/* O_NDELAY _FNDELAY set in include/fcntl.h */
+/* O_NDELAY _FNBIO set in 5include/fcntl.h */
+#define O_NONBLOCK _FNONBLOCK
+#define O_NOCTTY _FNOCTTY
+
+#ifndef _POSIX_SOURCE
+
+#define O_SYNC _FSYNC
+
+/*
+ * Flags that work for fcntl(fd, F_SETFL, FXXXX)
+ */
+#define FAPPEND _FAPPEND
+#define FSYNC _FSYNC
+#define FASYNC _FASYNC
+#define FNBIO _FNBIO
+#define FNONBIO _FNONBLOCK /* XXX fix to be NONBLOCK everywhere */
+#define FNDELAY _FNDELAY
+
+/*
+ * Flags that are disallowed for fcntl's (FCNTLCANT);
+ * used for opens, internal state, or locking.
+ */
+#define FREAD _FREAD
+#define FWRITE _FWRITE
+#define FMARK _FMARK
+#define FDEFER _FDEFER
+#define FSHLOCK _FSHLOCK
+#define FEXLOCK _FEXLOCK
+
+/*
+ * The rest of the flags, used only for opens
+ */
+#define FOPEN _FOPEN
+#define FCREAT _FCREAT
+#define FTRUNC _FTRUNC
+#define FEXCL _FEXCL
+#define FNOCTTY _FNOCTTY
+
+#endif /* !_POSIX_SOURCE */
+
+/* XXX close on exec request; must match UF_EXCLOSE in user.h */
+#define FD_CLOEXEC 1 /* posix */
+
+/* fcntl(2) requests */
+#define F_DUPFD 0 /* dup */
+#define F_GETFD 1 /* get f_flags */
+#define F_SETFD 2 /* set f_flags */
+#define F_GETFL 3 /* more flags (cloexec) */
+#define F_SETFL 4
+#define F_GETLK 5
+#define F_SETLK 6
+#define F_SETLKW 7
+
+#define F_SETOWN 8 /* for sockets. */
+#define F_GETOWN 9 /* for sockets. */
+
+/* for F_[GET|SET]FL */
+#define FD_CLOEXEC 1 /* actually anything with low bit set goes */
+
+/* for posix fcntl() and lockf() */
+#define F_RDLCK 0
+#define F_WRLCK 1
+#define F_UNLCK 2
+
+/* for old implementation of bsd flock () */
+#define F_EXLCK 4 /* or 3 */
+#define F_SHLCK 8 /* or 4 */
+
+/* operations for bsd flock(), also used by the kernel implementation */
+#define LOCK_SH 1 /* shared lock */
+#define LOCK_EX 2 /* exclusive lock */
+#define LOCK_NB 4 /* or'd with one of the above to prevent
+ blocking */
+#define LOCK_UN 8 /* remove lock */
+
+/* file segment locking set data type - information passed to system by user */
+struct flock {
+ short l_type; /* F_RDLCK, F_WRLCK, or F_UNLCK */
+ short l_whence; /* flag to choose starting offset */
+ long l_start; /* relative offset, in bytes */
+ long l_len; /* length, in bytes; 0 means lock to EOF */
+ short l_pid; /* returned with F_GETLK */
+ short l_xxx; /* reserved for future use */
+};
+
+#ifndef _POSIX_SOURCE
+/* extended file segment locking set data type */
+struct eflock {
+ short l_type; /* F_RDLCK, F_WRLCK, or F_UNLCK */
+ short l_whence; /* flag to choose starting offset */
+ long l_start; /* relative offset, in bytes */
+ long l_len; /* length, in bytes; 0 means lock to EOF */
+ short l_pid; /* returned with F_GETLK */
+ short l_xxx; /* reserved for future use */
+ long l_rpid; /* Remote process id wanting this lock */
+ long l_rsys; /* Remote system id wanting this lock */
+};
+#endif /* !_POSIX_SOURCE */
+
+
+#include <sys/types.h>
+#include <sys/stat.h> /* sigh. for the mode bits for open/creat */
+
+extern int open _PARAMS ((const char *, int, ...));
+extern int creat _PARAMS ((const char *, mode_t));
+extern int fcntl _PARAMS ((int, int, ...));
+
+/* Provide _<systemcall> prototypes for functions provided by some versions
+ of newlib. */
+#ifdef _COMPILING_NEWLIB
+extern int _open _PARAMS ((const char *, int, ...));
+extern int _fcntl _PARAMS ((int, int, ...));
+#ifdef __LARGE64_FILES
+extern int _open64 _PARAMS ((const char *, int, ...));
+#endif
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+#endif /* !_FCNTL_ */
--- /dev/null Tue Oct 29 15:57:07 2002
+++ libc/machine/cris/sys/errno.h Mon Jan 24 01:40:17 2005
@@ -0,0 +1,166 @@
+/* This file is to be kept in sync with newlib/libc/include/sys/errno.h
+ on which it is based, except values used or returned by syscalls must
+ be those of the Linux/CRIS kernel. */
+
+/* errno is not a global variable, because that would make using it
+ non-reentrant. Instead, its address is returned by the function
+ __errno. */
+
+#ifndef _SYS_ERRNO_H_
+#ifdef __cplusplus
+extern "C" {
+#endif
+#define _SYS_ERRNO_H_
+
+#include <sys/reent.h>
+
+#ifndef _REENT_ONLY
+#define errno (*__errno())
+extern int *__errno _PARAMS ((void));
+#endif
+
+/* Please don't use these variables directly.
+ Use strerror instead. */
+extern _CONST char * _CONST _sys_errlist[];
+extern int _sys_nerr;
+
+#define __errno_r(ptr) ((ptr)->_errno)
+
+/* Adjusted to the linux asm/errno.h */
+#define EPERM 1 /* Operation not permitted */
+#define ENOENT 2 /* No such file or directory */
+#define ESRCH 3 /* No such process */
+#define EINTR 4 /* Interrupted system call */
+#define EIO 5 /* I/O error */
+#define ENXIO 6 /* No such device or address */
+#define E2BIG 7 /* Arg list too long */
+#define ENOEXEC 8 /* Exec format error */
+#define EBADF 9 /* Bad file number */
+#define ECHILD 10 /* No child processes */
+#define EAGAIN 11 /* Try again */
+#define ENOMEM 12 /* Out of memory */
+#define EACCES 13 /* Permission denied */
+#define EFAULT 14 /* Bad address */
+#define ENOTBLK 15 /* Block device required */
+#define EBUSY 16 /* Device or resource busy */
+#define EEXIST 17 /* File exists */
+#define EXDEV 18 /* Cross-device link */
+#define ENODEV 19 /* No such device */
+#define ENOTDIR 20 /* Not a directory */
+#define EISDIR 21 /* Is a directory */
+#define EINVAL 22 /* Invalid argument */
+#define ENFILE 23 /* File table overflow */
+#define EMFILE 24 /* Too many open files */
+#define ENOTTY 25 /* Not a typewriter */
+#define ETXTBSY 26 /* Text file busy */
+#define EFBIG 27 /* File too large */
+#define ENOSPC 28 /* No space left on device */
+#define ESPIPE 29 /* Illegal seek */
+#define EROFS 30 /* Read-only file system */
+#define EMLINK 31 /* Too many links */
+#define EPIPE 32 /* Broken pipe */
+#define EDOM 33 /* Math argument out of domain of func */
+#define ERANGE 34 /* Math result not representable */
+#define EDEADLK 35 /* Resource deadlock would occur */
+#define ENAMETOOLONG 36 /* File name too long */
+#define ENOLCK 37 /* No record locks available */
+#define ENOSYS 38 /* Function not implemented */
+#define ENOTEMPTY 39 /* Directory not empty */
+#define ELOOP 40 /* Too many symbolic links encountered */
+#define EWOULDBLOCK EAGAIN /* Operation would block */
+#define ENOMSG 42 /* No message of desired type */
+#define EIDRM 43 /* Identifier removed */
+#define ECHRNG 44 /* Channel number out of range */
+#define EL2NSYNC 45 /* Level 2 not synchronized */
+#define EL3HLT 46 /* Level 3 halted */
+#define EL3RST 47 /* Level 3 reset */
+#define ELNRNG 48 /* Link number out of range */
+#define EUNATCH 49 /* Protocol driver not attached */
+#define ENOCSI 50 /* No CSI structure available */
+#define EL2HLT 51 /* Level 2 halted */
+#define EBADE 52 /* Invalid exchange */
+#define EBADR 53 /* Invalid request descriptor */
+#define EXFULL 54 /* Exchange full */
+#define ENOANO 55 /* No anode */
+#define EBADRQC 56 /* Invalid request code */
+#define EBADSLT 57 /* Invalid slot */
+
+#define EDEADLOCK EDEADLK
+
+#define EBFONT 59 /* Bad font file format */
+/* This is only used internally in newlib; not returned by the kernel.
+ EBFONT seems the closest match for a "bad file format" error. */
+#define EFTYPE EBFONT /* Inappropriate file type or format */
+#define ENOSTR 60 /* Device not a stream */
+#define ENODATA 61 /* No data available */
+#define ETIME 62 /* Timer expired */
+#define ENOSR 63 /* Out of streams resources */
+#define ENONET 64 /* Machine is not on the network */
+#define ENOPKG 65 /* Package not installed */
+#define EREMOTE 66 /* Object is remote */
+#define ENOLINK 67 /* Link has been severed */
+#define EADV 68 /* Advertise error */
+#define ESRMNT 69 /* Srmount error */
+#define ECOMM 70 /* Communication error on send */
+#define EPROTO 71 /* Protocol error */
+#define EMULTIHOP 72 /* Multihop attempted */
+#define EDOTDOT 73 /* RFS specific error */
+#define EBADMSG 74 /* Not a data message */
+#define EOVERFLOW 75 /* Value too large for defined data type */
+#define ENOTUNIQ 76 /* Name not unique on network */
+#define EBADFD 77 /* File descriptor in bad state */
+#define EREMCHG 78 /* Remote address changed */
+#define ELIBACC 79 /* Can not access a needed shared library */
+#define ELIBBAD 80 /* Accessing a corrupted shared library */
+#define ELIBSCN 81 /* .lib section in a.out corrupted */
+#define ELIBMAX 82 /* Attempting to link in too many shared libraries */
+#define ELIBEXEC 83 /* Cannot exec a shared library directly */
+#define EILSEQ 84 /* Illegal byte sequence */
+#define ERESTART 85 /* Interrupted system call should be restarted */
+#define ESTRPIPE 86 /* Streams pipe error */
+#define EUSERS 87 /* Too many users */
+#define ENOTSOCK 88 /* Socket operation on non-socket */
+#define EDESTADDRREQ 89 /* Destination address required */
+#define EMSGSIZE 90 /* Message too long */
+#define EPROTOTYPE 91 /* Protocol wrong type for socket */
+#define ENOPROTOOPT 92 /* Protocol not available */
+#define EPROTONOSUPPORT 93 /* Protocol not supported */
+#define ESOCKTNOSUPPORT 94 /* Socket type not supported */
+#define EOPNOTSUPP 95 /* Operation not supported on transport endpoint */
+#define EPFNOSUPPORT 96 /* Protocol family not supported */
+#define EAFNOSUPPORT 97 /* Address family not supported by protocol */
+#define EADDRINUSE 98 /* Address already in use */
+#define EADDRNOTAVAIL 99 /* Cannot assign requested address */
+#define ENETDOWN 100 /* Network is down */
+#define ENETUNREACH 101 /* Network is unreachable */
+#define ENETRESET 102 /* Network dropped connection because of reset */
+#define ECONNABORTED 103 /* Software caused connection abort */
+#define ECONNRESET 104 /* Connection reset by peer */
+#define ENOBUFS 105 /* No buffer space available */
+#define EISCONN 106 /* Transport endpoint is already connected */
+#define ENOTCONN 107 /* Transport endpoint is not connected */
+#define ESHUTDOWN 108 /* Cannot send after transport endpoint shutdown */
+#define ETOOMANYREFS 109 /* Too many references: cannot splice */
+#define ETIMEDOUT 110 /* Connection timed out */
+#define ECONNREFUSED 111 /* Connection refused */
+#define EHOSTDOWN 112 /* Host is down */
+#define EHOSTUNREACH 113 /* No route to host */
+#define EALREADY 114 /* Operation already in progress */
+#define EINPROGRESS 115 /* Operation now in progress */
+#define ESTALE 116 /* Stale NFS file handle */
+#define EUCLEAN 117 /* Structure needs cleaning */
+#define ENOTNAM 118 /* Not a XENIX named type file */
+#define ENAVAIL 119 /* No XENIX semaphores available */
+#define EISNAM 120 /* Is a named type file */
+#define EREMOTEIO 121 /* Remote I/O error */
+#define EDQUOT 122 /* Quota exceeded */
+
+#define ENOMEDIUM 123 /* No medium found */
+#define EMEDIUMTYPE 124 /* Wrong medium type */
+
+#define __ELASTERROR 2000 /* Users can add values starting here */
+
+#ifdef __cplusplus
+}
+#endif
+#endif /* _SYS_ERRNO_H */
brgds, H-P
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