(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.

12 files changed, 538 insertions, 0 deletions

diff --git a/sysdeps/unix/mips/brk.S b/sysdeps/unix/mips/brk.S
new file mode 100644
index 0000000000..a35b8b9113
--- /dev/null
+++ b/sysdeps/unix/mips/brk.S
@@ -0,0 +1,48 @@
+/* Copyright (C) 1992, 1995, 1997, 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 <sysdep.h>
+#include <sys/asm.h>
+
+#ifndef SYS_brk
+#define SYS_brk 17
+#endif
+
+#ifndef       HAVE_GNU_LD
+#define _end           end
+#endif
+
+	.data
+ENTRY(__curbrk)
+	.word 0
+	.end __curbrk
+
+	.text
+SYSCALL__(brk, 1)
+	.set	reorder
+	/* Handle the query case.  */
+	bnez a0, 1f
+	move a0, v0
+1:	/* Update __curbrk and exit cleanly.  */
+	PTR_S a0, __curbrk
+	move v0, zero
+	jr ra
+PSEUDO_END(__brk)
+
+weak_alias (__brk, brk)
diff --git a/sysdeps/unix/mips/dl-brk.S b/sysdeps/unix/mips/dl-brk.S
new file mode 100644
index 0000000000..eeb96544e3
--- /dev/null
+++ b/sysdeps/unix/mips/dl-brk.S
@@ -0,0 +1 @@
+#include <brk.S>
diff --git a/sysdeps/unix/mips/fork.S b/sysdeps/unix/mips/fork.S
new file mode 100644
index 0000000000..a7848acb6b
--- /dev/null
+++ b/sysdeps/unix/mips/fork.S
@@ -0,0 +1,32 @@
+/* Copyright (C) 1992, 1995, 1997, 2002 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 <sysdep.h>
+
+SYSCALL__ (fork, 0)
+	beq v1, zero, parent /* Branch if parent.  */
+	nop
+	/* We are the child.  Return zero.  */
+	move v0, zero
+parent:
+	ret
+PSEUDO_END(__fork)
+
+libc_hidden_def (__fork)
+weak_alias (__fork, fork)
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
new file mode 100644
index 0000000000..ec93fadc04
--- /dev/null
+++ b/sysdeps/unix/mips/mips64/n32/sysdep.h
@@ -0,0 +1,57 @@
+/* Copyright (C) 1992, 1995, 1997, 1999, 2000, 2002, 2003
+	Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Alexandre Oliva <aoliva@redhat.com>.
+
+   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>
+
+#ifdef __ASSEMBLER__
+
+/* 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:;									      \
+  .set noat;								      \
+  .cpsetup t9, $1, name;						      \
+  .set at;								      \
+  la t9,__syscall_error;						      \
+  .cpreturn;								      \
+  jr t9;								      \
+  ENTRY(name)								      \
+  li v0, SYS_ify(syscall_name);						      \
+  syscall;								      \
+  bne a3, zero, 99b;							      \
+L(syse1):
+#else
+#define PSEUDO(name, syscall_name, args) \
+  .set noreorder;							      \
+  .align 2;								      \
+  99: j __syscall_error;						      \
+  ENTRY(name)								      \
+  .set noreorder;							      \
+  li v0, SYS_ify(syscall_name);						      \
+  syscall;								      \
+  .set reorder;								      \
+  bne a3, zero, 99b;							      \
+L(syse1):
+#endif
+
+#endif
diff --git a/sysdeps/unix/mips/mips64/n64/sysdep.h b/sysdeps/unix/mips/mips64/n64/sysdep.h
new file mode 100644
index 0000000000..502b66797b
--- /dev/null
+++ b/sysdeps/unix/mips/mips64/n64/sysdep.h
@@ -0,0 +1,57 @@
+/* Copyright (C) 1992, 1995, 1997, 1999, 2000, 2002, 2003
+	Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Alexandre Oliva <aoliva@redhat.com>.
+
+   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>
+
+#ifdef __ASSEMBLER__
+
+/* 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:;									      \
+  .set noat;								      \
+  .cpsetup t9, $1, name;						      \
+  .set at;								      \
+  dla t9,__syscall_error;						      \
+  .cpreturn;								      \
+  jr t9;								      \
+  ENTRY(name)								      \
+  li v0, SYS_ify(syscall_name);						      \
+  syscall;								      \
+  bne a3, zero, 99b;							      \
+L(syse1):
+#else
+#define PSEUDO(name, syscall_name, args) \
+  .set noreorder;							      \
+  .align 2;								      \
+  99: j __syscall_error;						      \
+  ENTRY(name)								      \
+  .set noreorder;							      \
+  li v0, SYS_ify(syscall_name);						      \
+  syscall;								      \
+  .set reorder;								      \
+  bne a3, zero, 99b;							      \
+L(syse1):
+#endif
+
+#endif
diff --git a/sysdeps/unix/mips/pipe.S b/sysdeps/unix/mips/pipe.S
new file mode 100644
index 0000000000..ee7b76d635
--- /dev/null
+++ b/sysdeps/unix/mips/pipe.S
@@ -0,0 +1,33 @@
+/* Copyright (C) 1992, 1995, 1997, 2000, 2002 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 <sysdep.h>
+
+SYSCALL__ (pipe, 1)
+	/* Plop in the two descriptors.  */
+	sw v0, 0(a0)
+	sw v1, 4(a0)
+
+	/* Go out with a clean status.  */
+	move v0, zero
+	j ra
+PSEUDO_END(__pipe)
+
+libc_hidden_def (__pipe)
+weak_alias (__pipe, pipe)
diff --git a/sysdeps/unix/mips/rt-sysdep.S b/sysdeps/unix/mips/rt-sysdep.S
new file mode 100644
index 0000000000..f966bf1e59
--- /dev/null
+++ b/sysdeps/unix/mips/rt-sysdep.S
@@ -0,0 +1 @@
+#include <sysdep.S>
diff --git a/sysdeps/unix/mips/sigreturn.S b/sysdeps/unix/mips/sigreturn.S
new file mode 100644
index 0000000000..2cb3adb6de
--- /dev/null
+++ b/sysdeps/unix/mips/sigreturn.S
@@ -0,0 +1,31 @@
+/* Copyright (C) 1992, 1994, 1995, 1997 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 <sysdep.h>
+
+#ifndef SYS_sigreturn
+#define SYS_sigreturn 103
+#endif
+
+ENTRY(__sigreturn)
+	li v0, SYS_sigreturn
+	syscall
+	.end __sigreturn
+
+weak_alias (__sigreturn, sigreturn)
diff --git a/sysdeps/unix/mips/sysdep.S b/sysdeps/unix/mips/sysdep.S
new file mode 100644
index 0000000000..8c172db190
--- /dev/null
+++ b/sysdeps/unix/mips/sysdep.S
@@ -0,0 +1,100 @@
+/* Copyright (C) 1992, 1993, 1994, 1997, 1998, 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 <sysdep.h>
+#define _ERRNO_H
+#include <bits/errno.h>
+#include <sys/asm.h>
+
+#ifdef _LIBC_REENTRANT
+
+LOCALSZ= 3
+FRAMESZ= (((NARGSAVE+LOCALSZ)*SZREG)+ALSZ)&ALMASK
+RAOFF= FRAMESZ-(1*SZREG)
+GPOFF= FRAMESZ-(2*SZREG)
+V0OFF= FRAMESZ-(3*SZREG)
+	
+ENTRY(__syscall_error)
+#ifdef __PIC__
+	.set noat
+	SETUP_GPX (AT)
+	.set at
+#endif
+	PTR_SUBU sp, FRAMESZ
+	.set noat
+	SETUP_GPX64(GPOFF,AT)
+	.set at
+#ifdef __PIC__
+	SAVE_GP(GPOFF)
+#endif
+	REG_S	v0, V0OFF(sp)
+	REG_S	ra, RAOFF(sp)
+
+#if defined (EWOULDBLOCK_sys) && EWOULDBLOCK_sys != EAGAIN
+	/* We translate the system's EWOULDBLOCK error into EAGAIN.
+	   The GNU C library always defines EWOULDBLOCK==EAGAIN.
+	   EWOULDBLOCK_sys is the original number.  */
+	bne	v0, EWOULDBLOCK_sys, L(skip)
+	nop
+	li	v0, EAGAIN
+L(skip):
+#endif
+	/* Find our per-thread errno address  */
+	jal	__errno_location
+
+	/* Store the error value.  */
+	REG_L	t0, V0OFF(sp)
+	sw	t0, 0(v0)
+
+	/* And just kick back a -1.  */
+	REG_L	ra, RAOFF(sp)
+	RESTORE_GP64
+	PTR_ADDU sp, FRAMESZ
+	li	v0, -1
+	j	ra
+	END(__syscall_error)
+
+#else /* _LIBC_REENTRANT */
+
+
+ENTRY(__syscall_error)
+#ifdef __PIC__
+	SETUP_GPX (AT)
+#endif
+	SETUP_GPX64 (t9, AT)
+	
+#if defined (EWOULDBLOCK_sys) && EWOULDBLOCK_sys != EAGAIN
+	/* We translate the system's EWOULDBLOCK error into EAGAIN.
+	   The GNU C library always defines EWOULDBLOCK==EAGAIN.
+	   EWOULDBLOCK_sys is the original number.  */
+	bne v0, EWOULDBLOCK_sys, L(skip)
+	li v0, EAGAIN
+L(skip):
+#endif
+	/* Store it in errno... */
+	sw v0, errno
+
+	/* And just kick back a -1.  */
+	li v0, -1
+
+	RESTORE_GP64
+	j ra
+	END(__syscall_error)
+#endif  /* _LIBC_REENTRANT  */
diff --git a/sysdeps/unix/mips/sysdep.h b/sysdeps/unix/mips/sysdep.h
new file mode 100644
index 0000000000..714830147d
--- /dev/null
+++ b/sysdeps/unix/mips/sysdep.h
@@ -0,0 +1,79 @@
+/* Copyright (C) 1992, 1995, 1997, 1999, 2000, 2002, 2003, 2004
+   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 <sgidefs.h>
+#include <sysdeps/unix/sysdep.h>
+
+#ifdef __ASSEMBLER__
+
+#include <regdef.h>
+
+#define ENTRY(name) \
+  .globl name;								      \
+  .align 2;								      \
+  .ent name,0;								      \
+  name##:
+
+#undef END
+#define	END(function)                                   \
+		.end	function;		        \
+		.size	function,.-function
+
+#define ret	j ra ; nop
+
+#undef PSEUDO_END
+#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 PSEUDO_ERRVAL(name, syscall_name, args)	\
+  .align 2;						\
+  ENTRY(name)						\
+  .set noreorder;					\
+  li v0, SYS_ify(syscall_name);				\
+  syscall
+
+#undef PSEUDO_END_ERRVAL
+#define PSEUDO_END_ERRVAL(sym) .end sym; .size sym,.-sym
+
+#define ret_ERRVAL ret
+
+#define r0	v0
+#define r1	v1
+/* The mips move insn is d,s.  */
+#define MOVE(x,y)	move y , x
+
+#if _MIPS_SIM == _ABIO32
+# define L(label) $L ## label
+#else
+# define L(label) .L ## label
+#endif
+
+#endif
diff --git a/sysdeps/unix/mips/wait.S b/sysdeps/unix/mips/wait.S
new file mode 100644
index 0000000000..de0f6ebfae
--- /dev/null
+++ b/sysdeps/unix/mips/wait.S
@@ -0,0 +1,47 @@
+/* Copyright (C) 1992, 1994, 1995, 1997, 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 <sysdep.h>
+
+.set noreorder
+
+ENTRY(__wait)
+	/* Prep it for wait.  */
+	move a1, zero
+	move a2, zero
+
+	li v0, SYS_wait
+	syscall
+	beqz a3, L(noerror)
+	nop
+	j __syscall_error
+	nop
+
+L(noerror):
+	/* If the arg is not NULL, store v1 there.  */
+	beqz a0, L(noarg)
+	nop
+	sw v1, 0(a0)
+	nop
+L(noarg):
+	ret
+	.end __wait
+
+weak_alias (__wait, wait)