* configure.in: Add mips64* support. * configure: Rebuilt. * sysdeps/mips/bits/endian.h: Make it bi-endian. * sysdeps/mips/mipsel/bits/endian.h: Removed. * sysdeps/mips/mips64/n32/el/bits/endian.h: Removed. * sysdeps/mips/mips64/n64/el/bits/endian.h: Removed. * sysdeps/mips/mips32/Makefile (CC): Add -mabi=32. * sysdeps/mips/mips64/n32/Makefile (CC): Add -mabi=n32. * sysdeps/mips/mips64/n64/Makefile (CC): Add -mabi=64. * sysdeps/mips/Implies: Moved wordsize-32 to... * sysdeps/mips/mips32/Implies: New file. * sysdeps/unix/mips/sysdep.h (PSEUDO_NOERRNO, PSEUDO_END_NOERRNO, ret_NOERRNO): New. (ret, PSEUDO_END): Moved past END. (PSEUDO): Moved to... * sysdeps/unix/mips/mips32/sysdep.h: New file. * sysdeps/unix/mips/mips64/n32/sysdep.h: Removed #undef PSEUDO. * sysdeps/unix/mips/mips64/n64/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/mips/sysdep.h: Move to... * sysdeps/unix/sysv/linux/mips/mips32/sysdep.h: New file. * sysdeps/unix/sysv/linux/mips/mips32/kern64/sysdep.h: New file.

author: Alexandre Oliva <aoliva@redhat.com> 2003-03-29 08:15:29 +0000
committer: Alexandre Oliva <aoliva@redhat.com> 2003-03-29 08:15:29 +0000
commit: e077d10d0d6f4c08cf5a97d61bdf4027fbb9e939 (patch)
tree: 4f4a3159467a04e1362cdc7bbb21af1a128ce7c9
parent: c7da3ff8c599a1117b8fed30116c29d332e5972b (diff)
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18 files changed, 208 insertions, 77 deletions
diff --git a/ChangeLog b/ChangeLog
index 973ad45cf3..756e2b17c0 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,27 @@
 2003-03-29  Alexandre Oliva  <aoliva@redhat.com>
 
+	* configure.in: Add mips64* support.
+	* configure: Rebuilt.
+	* sysdeps/mips/bits/endian.h: Make it bi-endian.
+	* sysdeps/mips/mipsel/bits/endian.h: Removed.
+	* sysdeps/mips/mips64/n32/el/bits/endian.h: Removed.
+	* sysdeps/mips/mips64/n64/el/bits/endian.h: Removed.
+	* sysdeps/mips/mips32/Makefile (CC): Add -mabi=32.
+	* sysdeps/mips/mips64/n32/Makefile (CC): Add -mabi=n32.
+	* sysdeps/mips/mips64/n64/Makefile (CC): Add -mabi=64.
+	* sysdeps/mips/Implies: Moved wordsize-32 to...
+	* sysdeps/mips/mips32/Implies: New file.
+	* sysdeps/unix/mips/sysdep.h (PSEUDO_NOERRNO, PSEUDO_END_NOERRNO,
+	ret_NOERRNO): New.
+	(ret, PSEUDO_END): Moved past END.
+	(PSEUDO): Moved to...
+	* sysdeps/unix/mips/mips32/sysdep.h: New file.
+	* sysdeps/unix/mips/mips64/n32/sysdep.h: Removed #undef PSEUDO.
+	* sysdeps/unix/mips/mips64/n64/sysdep.h: Likewise.
+	* sysdeps/unix/sysv/linux/mips/sysdep.h: Move to...
+	* sysdeps/unix/sysv/linux/mips/mips32/sysdep.h: New file.
+	* sysdeps/unix/sysv/linux/mips/mips32/kern64/sysdep.h: New file.
+
 	* sysdeps/unix/sysv/linux/mips/clone.S (__thread_start):
 	Re-introduce ENTRY.
 
diff --git a/configure b/configure
index 2105e6ccd2..94a23421b3 100755
--- a/configure
+++ b/configure
@@ -1833,8 +1833,33 @@ m680?0)		base_machine=m68k machine=m68k/$machine ;;
 m68k)		base_machine=m68k machine=m68k/m68020 ;;
 m88???)		base_machine=m88k machine=m88k/$machine ;;
 m88k)		base_machine=m88k machine=m88k/m88100 ;;
-mips64*)	base_machine=mips64 machine=mips/mips64/$machine ;;
-mips*)		base_machine=mips machine=mips/$machine ;;
+mips64*)	base_machine=mips64
+		case "$CC $CPPFLAGS $CFLAGS " in
+		*" -mabi=n32 "*) mips_cc_abi=n32 ;;
+		*" -mabi=64 "*|*" -mabi=n64 "*) mips_cc_abi=64 ;;
+		*" -mabi=32 "*|*" -mabi=o32 "*) mips_cc_abi=32 ;;
+		*) mips_cc_abi=default ;;
+		esac
+		case $config_os in
+		*abin32*) mips_config_abi=n32 ;;
+		*abi64*|*abin64*) mips_config_abi=64 ;;
+		*abi32*|*abio32*) mips_config_abi=32 ;;
+		*) mips_config_abi=$mips_cc_abi ;;
+		esac
+		case $mips_config_abi in
+		default) machine=mips/mips64/n32 mips_config_abi=n32 ;;
+		n32) machine=mips/mips64/n32 ;;
+		64) machine=mips/mips64/n64 ;;
+		32) machine=mips/mips32/kern64 ;;
+		esac
+		machine=$machine/$config_machine
+		if test $mips_config_abi != $mips_cc_abi; then
+		  # This won't make it to config.make, but we want to
+		  # set this in case configure tests depend on it.
+		  CPPFLAGS="$CPPFLAGS -mabi=$mips_config_abi"
+		fi
+		;;
+mips*)		base_machine=mips machine=mips/mips32/$machine ;;
 powerpc)	base_machine=powerpc machine=powerpc/powerpc32 ;;
 powerpc64)	base_machine=powerpc machine=powerpc/powerpc64 ;;
 s390)           base_machine=s390 machine=s390/s390-32 ;;
@@ -5170,7 +5195,7 @@ if test "${libc_cv_asm_underscores+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5173 "configure"
+#line 5198 "configure"
 #include "confdefs.h"
 void underscore_test(void) {
 return; }
@@ -5496,7 +5521,7 @@ if test "${libc_cv_gcc_dwarf2_unwind_info+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   cat > conftest.c <<EOF
-#line 5499 "configure"
+#line 5524 "configure"
 static char *__EH_FRAME_BEGIN__;
 _start ()
 {
@@ -5596,7 +5621,7 @@ if test "${libc_cv_gcc_builtin_expect+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   cat > conftest.c <<EOF
-#line 5599 "configure"
+#line 5624 "configure"
 int foo (int a)
 {
   a = __builtin_expect (a, 10);
@@ -5664,7 +5689,7 @@ if test "${libc_cv_gcc_subtract_local_labels+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   cat > conftest.c <<EOF
-#line 5667 "configure"
+#line 5692 "configure"
 int foo (int a)
 {
   static const int ar[] = { &&l1 - &&l1, &&l2 - &&l1 };
diff --git a/configure.in b/configure.in
index 1795a6a8d6..9a08b6c32c 100644
--- a/configure.in
+++ b/configure.in
@@ -386,8 +386,33 @@ m680?0)		base_machine=m68k machine=m68k/$machine ;;
 m68k)		base_machine=m68k machine=m68k/m68020 ;;
 m88???)		base_machine=m88k machine=m88k/$machine ;;
 m88k)		base_machine=m88k machine=m88k/m88100 ;;
-mips64*)	base_machine=mips64 machine=mips/mips64/$machine ;;
-mips*)		base_machine=mips machine=mips/$machine ;;
+mips64*)	base_machine=mips64
+		case "$CC $CPPFLAGS $CFLAGS " in
+		*" -mabi=n32 "*) mips_cc_abi=n32 ;;
+		*" -mabi=64 "*|*" -mabi=n64 "*) mips_cc_abi=64 ;;
+		*" -mabi=32 "*|*" -mabi=o32 "*) mips_cc_abi=32 ;;
+		*) mips_cc_abi=default ;;
+		esac
+		case $config_os in
+		*abin32*) mips_config_abi=n32 ;;
+		*abi64*|*abin64*) mips_config_abi=64 ;;
+		*abi32*|*abio32*) mips_config_abi=32 ;;
+		*) mips_config_abi=$mips_cc_abi ;;
+		esac
+		case $mips_config_abi in
+		default) machine=mips/mips64/n32 mips_config_abi=n32 ;;
+		n32) machine=mips/mips64/n32 ;;
+		64) machine=mips/mips64/n64 ;;
+		32) machine=mips/mips32/kern64 ;;
+		esac
+		machine=$machine/$config_machine
+		if test $mips_config_abi != $mips_cc_abi; then
+		  # This won't make it to config.make, but we want to
+		  # set this in case configure tests depend on it.
+		  CPPFLAGS="$CPPFLAGS -mabi=$mips_config_abi"
+		fi
+		;;
+mips*)		base_machine=mips machine=mips/mips32/$machine ;;
 powerpc)	base_machine=powerpc machine=powerpc/powerpc32 ;;
 powerpc64)	base_machine=powerpc machine=powerpc/powerpc64 ;;
 s390)           base_machine=s390 machine=s390/s390-32 ;;
diff --git a/sysdeps/mips/Implies b/sysdeps/mips/Implies
index 9f60963329..8c18cb3034 100644
--- a/sysdeps/mips/Implies
+++ b/sysdeps/mips/Implies
@@ -1,4 +1,3 @@
-wordsize-32
 # MIPS uses IEEE 754 floating point.
 ieee754/flt-32
 ieee754/dbl-64
diff --git a/sysdeps/mips/bits/endian.h b/sysdeps/mips/bits/endian.h
index 40321a2866..9586104ccd 100644
--- a/sysdeps/mips/bits/endian.h
+++ b/sysdeps/mips/bits/endian.h
@@ -5,4 +5,9 @@
 # error "Never use <bits/endian.h> directly; include <endian.h> instead."
 #endif
 
-#define __BYTE_ORDER __BIG_ENDIAN
+#if __MIPSEB
+# define __BYTE_ORDER __BIG_ENDIAN
+#endif
+#if __MIPSEL
+# define __BYTE_ORDER __LITTLE_ENDIAN
+#endif
diff --git a/sysdeps/mips/mips32/Implies b/sysdeps/mips/mips32/Implies
new file mode 100644
index 0000000000..fab98d7312
--- /dev/null
+++ b/sysdeps/mips/mips32/Implies
@@ -0,0 +1,2 @@
+mips
+wordsize-32
diff --git a/sysdeps/mips/mips32/Makefile b/sysdeps/mips/mips32/Makefile
new file mode 100644
index 0000000000..dec0b024c3
--- /dev/null
+++ b/sysdeps/mips/mips32/Makefile
@@ -0,0 +1,3 @@
+ifeq ($(filter -mabi=32,$(CC)),)
+CC += -mabi=32
+endif
diff --git a/sysdeps/mips/mips64/n32/Makefile b/sysdeps/mips/mips64/n32/Makefile
index 26f38570d7..a84d2a51bd 100644
--- a/sysdeps/mips/mips64/n32/Makefile
+++ b/sysdeps/mips/mips64/n32/Makefile
@@ -1,2 +1,6 @@
 # `long double' is a distinct type we support.
 long-double-fcts = yes
+
+ifeq ($(filter -mabi=n32,$(CC)),)
+CC += -mabi=n32
+endif
diff --git a/sysdeps/mips/mips64/n32/el/bits/endian.h b/sysdeps/mips/mips64/n32/el/bits/endian.h
deleted file mode 100644
index 2241190a70..0000000000
--- a/sysdeps/mips/mips64/n32/el/bits/endian.h
+++ /dev/null
@@ -1,8 +0,0 @@
-/* The MIPS architecture has selectable endianness.
-   This file is for a machine using little-endian mode.  */
-
-#ifndef _ENDIAN_H
-# error "Never use <bits/endian.h> directly; include <endian.h> instead."
-#endif
-
-#define __BYTE_ORDER __LITTLE_ENDIAN
diff --git a/sysdeps/mips/mips64/n64/Makefile b/sysdeps/mips/mips64/n64/Makefile
index 26f38570d7..a823f32b53 100644
--- a/sysdeps/mips/mips64/n64/Makefile
+++ b/sysdeps/mips/mips64/n64/Makefile
@@ -1,2 +1,6 @@
 # `long double' is a distinct type we support.
 long-double-fcts = yes
+
+ifeq ($(filter -mabi=64,$(CC)),)
+CC += -mabi=64
+endif
diff --git a/sysdeps/mips/mips64/n64/el/bits/endian.h b/sysdeps/mips/mips64/n64/el/bits/endian.h
deleted file mode 100644
index 2241190a70..0000000000
--- a/sysdeps/mips/mips64/n64/el/bits/endian.h
+++ /dev/null
@@ -1,8 +0,0 @@
-/* The MIPS architecture has selectable endianness.
-   This file is for a machine using little-endian mode.  */
-
-#ifndef _ENDIAN_H
-# error "Never use <bits/endian.h> directly; include <endian.h> instead."
-#endif
-
-#define __BYTE_ORDER __LITTLE_ENDIAN
diff --git a/sysdeps/mips/mipsel/bits/endian.h b/sysdeps/mips/mipsel/bits/endian.h
deleted file mode 100644
index 2241190a70..0000000000
--- a/sysdeps/mips/mipsel/bits/endian.h
+++ /dev/null
@@ -1,8 +0,0 @@
-/* The MIPS architecture has selectable endianness.
-   This file is for a machine using little-endian mode.  */
-
-#ifndef _ENDIAN_H
-# error "Never use <bits/endian.h> directly; include <endian.h> instead."
-#endif
-
-#define __BYTE_ORDER __LITTLE_ENDIAN
diff --git a/sysdeps/unix/mips/mips32/sysdep.h b/sysdeps/unix/mips/mips32/sysdep.h
new file mode 100644
index 0000000000..0b5d1186bb
--- /dev/null
+++ b/sysdeps/unix/mips/mips32/sysdep.h
@@ -0,0 +1,52 @@
+/* Copyright (C) 1992, 1995, 1997, 1999, 2000, 2002, 2003
+   Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Brendan Kehoe (brendan@zen.org).
+
+   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 <sysdeps/unix/mips/sysdep.h>
+
+/* Note that while it's better structurally, going back to call __syscall_error
+   can make things confusing if you're debugging---it looks like it's jumping
+   backwards into the previous fn.  */
+#ifdef __PIC__
+#define PSEUDO(name, syscall_name, args) \
+  .align 2;								      \
+  99: la t9,__syscall_error;						      \
+  jr t9;								      \
+  ENTRY(name)								      \
+  .set noreorder;							      \
+  .cpload t9;								      \
+  li v0, SYS_ify(syscall_name);						      \
+  syscall;								      \
+  .set reorder;								      \
+  bne a3, zero, 99b;							      \
+L(syse1):
+#else
+#define PSEUDO(name, syscall_name, args) \
+  .set noreorder;							      \
+  .align 2;								      \
+  99: j __syscall_error;						      \
+  nop;									      \
+  ENTRY(name)								      \
+  .set noreorder;							      \
+  li v0, SYS_ify(syscall_name);						      \
+  syscall;								      \
+  .set reorder;								      \
+  bne a3, zero, 99b;							      \
+L(syse1):
+#endif
diff --git a/sysdeps/unix/mips/mips64/n32/sysdep.h b/sysdeps/unix/mips/mips64/n32/sysdep.h
index 3564c6b61e..ec93fadc04 100644
--- a/sysdeps/unix/mips/mips64/n32/sysdep.h
+++ b/sysdeps/unix/mips/mips64/n32/sysdep.h
@@ -22,7 +22,6 @@
 
 #ifdef __ASSEMBLER__
 
-# undef PSEUDO
 /* Note that while it's better structurally, going back to call __syscall_error
    can make things confusing if you're debugging---it looks like it's jumping
    backwards into the previous fn.  */
diff --git a/sysdeps/unix/mips/mips64/n64/sysdep.h b/sysdeps/unix/mips/mips64/n64/sysdep.h
index 982d905a43..502b66797b 100644
--- a/sysdeps/unix/mips/mips64/n64/sysdep.h
+++ b/sysdeps/unix/mips/mips64/n64/sysdep.h
@@ -22,7 +22,6 @@
 
 #ifdef __ASSEMBLER__
 
-# undef PSEUDO
 /* Note that while it's better structurally, going back to call __syscall_error
    can make things confusing if you're debugging---it looks like it's jumping
    backwards into the previous fn.  */
diff --git a/sysdeps/unix/mips/sysdep.h b/sysdeps/unix/mips/sysdep.h
index 8ba84e2083..13a3752dc8 100644
--- a/sysdeps/unix/mips/sysdep.h
+++ b/sysdeps/unix/mips/sysdep.h
@@ -30,47 +30,27 @@
   .ent name,0;								      \
   name##:
 
-/* Note that while it's better structurally, going back to call __syscall_error
-   can make things confusing if you're debugging---it looks like it's jumping
-   backwards into the previous fn.  */
-#ifdef __PIC__
-#define PSEUDO(name, syscall_name, args) \
-  .align 2;								      \
-  99: la t9,__syscall_error;						      \
-  jr t9;								      \
-  ENTRY(name)								      \
-  .set noreorder;							      \
-  .cpload t9;								      \
-  li v0, SYS_ify(syscall_name);						      \
-  syscall;								      \
-  .set reorder;								      \
-  bne a3, zero, 99b;							      \
-L(syse1):
-#else
-#define PSEUDO(name, syscall_name, args) \
-  .set noreorder;							      \
-  .align 2;								      \
-  99: j __syscall_error;						      \
-  nop;									      \
-  ENTRY(name)								      \
-  .set noreorder;							      \
-  li v0, SYS_ify(syscall_name);						      \
-  syscall;								      \
-  .set reorder;								      \
-  bne a3, zero, 99b;							      \
-L(syse1):
-#endif
-
-#undef PSEUDO_END
-#define PSEUDO_END(sym) .end sym
-
-#define ret	j ra ; nop
-
 #undef END
 #define	END(function)                                   \
 		.end	function;		        \
 		.size	function,.-function
 
+#define ret	j ra ; nop
+
+#define PSEUDO_END(sym) .end sym; .size sym,.-sym
+
+#define PSEUDO_NOERRNO(name, syscall_name, args)	\
+  .align 2;						\
+  ENTRY(name)						\
+  .set noreorder;					\
+  li v0, SYS_ify(syscall_name);				\
+  syscall
+
+#undef PSEUDO_END_NOERRNO
+#define PSEUDO_END_NOERRNO(sym) .end sym; .size sym,.-sym
+
+#define ret_NOERRNO ret
+
 #define r0	v0
 #define r1	v1
 /* The mips move insn is d,s.  */
diff --git a/sysdeps/unix/sysv/linux/mips/mips32/kern64/sysdep.h b/sysdeps/unix/sysv/linux/mips/mips32/kern64/sysdep.h
new file mode 100644
index 0000000000..b0316b657b
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/mips/mips32/kern64/sysdep.h
@@ -0,0 +1,36 @@
+/* Copyright (C) 2000, 2002, 2003 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 _LINUX_MIPS_MIPS32_KERN64_SYSDEP_H
+#define _LINUX_MIPS_MIPS32_KERN64_SYSDEP_H 1
+
+/* There is some commonality.  */
+#include <sysdeps/unix/sysv/linux/mips/mips32/sysdep.h>
+
+/* For Linux we can use the system call table in the header file
+	/usr/include/asm/unistd.h
+   of the kernel.  But these symbols do not follow the SYS_* syntax
+   so we have to redefine the `SYS_ify' macro here.  */
+#undef SYS_ify
+#ifdef __STDC__
+# define SYS_ify(syscall_name)	__NR_O32_##syscall_name
+#else
+# define SYS_ify(syscall_name)	__NR_O32_/**/syscall_name
+#endif
+
+#endif /* linux/mips/mips32/kern64/sysdep.h */
diff --git a/sysdeps/unix/sysv/linux/mips/sysdep.h b/sysdeps/unix/sysv/linux/mips/mips32/sysdep.h
index 710479ae18..1f56671ba0 100644
--- a/sysdeps/unix/sysv/linux/mips/sysdep.h
+++ b/sysdeps/unix/sysv/linux/mips/mips32/sysdep.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2000 Free Software Foundation, Inc.
+/* Copyright (C) 2000, 2002, 2003 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
@@ -16,11 +16,11 @@
    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
    02111-1307 USA.  */
 
-#ifndef _LINUX_MIPS_SYSDEP_H
-#define _LINUX_MIPS_SYSDEP_H 1
+#ifndef _LINUX_MIPS_MIPS32_SYSDEP_H
+#define _LINUX_MIPS_MIPS32_SYSDEP_H 1
 
 /* There is some commonality.  */
-#include <sysdeps/unix/mips/sysdep.h>
+#include <sysdeps/unix/mips/mips32/sysdep.h>
 
 /* For Linux we can use the system call table in the header file
 	/usr/include/asm/unistd.h
@@ -279,4 +279,4 @@
 
 #endif /* __ASSEMBLER__ */
 
-#endif /* linux/mips/sysdep.h */
+#endif /* linux/mips/mips32/sysdep.h */
author	Alexandre Oliva <aoliva@redhat.com>	2003-03-29 08:15:29 +0000
committer	Alexandre Oliva <aoliva@redhat.com>	2003-03-29 08:15:29 +0000
commit	e077d10d0d6f4c08cf5a97d61bdf4027fbb9e939 (patch)
tree	4f4a3159467a04e1362cdc7bbb21af1a128ce7c9
parent	c7da3ff8c599a1117b8fed30116c29d332e5972b (diff)
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