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-rw-r--r--sysdeps/unix/sysv/linux/i386/Dist1
-rw-r--r--sysdeps/unix/sysv/linux/i386/Makefile7
-rw-r--r--sysdeps/unix/sysv/linux/i386/brk.S60
-rw-r--r--sysdeps/unix/sysv/linux/i386/fcntlbits.h26
-rw-r--r--sysdeps/unix/sysv/linux/i386/fpu_control.c20
-rw-r--r--sysdeps/unix/sysv/linux/i386/fpu_control.h100
-rw-r--r--sysdeps/unix/sysv/linux/i386/fstat.S4
-rw-r--r--sysdeps/unix/sysv/linux/i386/fxstat.S4
-rw-r--r--sysdeps/unix/sysv/linux/i386/ieee_fpu.c22
-rw-r--r--sysdeps/unix/sysv/linux/i386/init-first.S84
-rw-r--r--sysdeps/unix/sysv/linux/i386/ipc.S22
-rw-r--r--sysdeps/unix/sysv/linux/i386/lstat.S4
-rw-r--r--sysdeps/unix/sysv/linux/i386/lxstat.S4
-rw-r--r--sysdeps/unix/sysv/linux/i386/mknod.S39
-rw-r--r--sysdeps/unix/sysv/linux/i386/mmap.S45
-rw-r--r--sysdeps/unix/sysv/linux/i386/sbrk.S82
-rw-r--r--sysdeps/unix/sysv/linux/i386/setfpucw.c43
-rw-r--r--sysdeps/unix/sysv/linux/i386/signum.h66
-rw-r--r--sysdeps/unix/sysv/linux/i386/socket.S60
-rw-r--r--sysdeps/unix/sysv/linux/i386/stat.S38
-rw-r--r--sysdeps/unix/sysv/linux/i386/syscall.S31
-rw-r--r--sysdeps/unix/sysv/linux/i386/sysdep.S40
-rw-r--r--sysdeps/unix/sysv/linux/i386/sysdep.h135
-rw-r--r--sysdeps/unix/sysv/linux/i386/xmknod.S49
-rw-r--r--sysdeps/unix/sysv/linux/i386/xstat.S51
25 files changed, 1037 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/i386/Dist b/sysdeps/unix/sysv/linux/i386/Dist
new file mode 100644
index 0000000000..91365adfc4
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/i386/Dist
@@ -0,0 +1 @@
+fxstat.S lxstat.S xmknod.S xstat.S
diff --git a/sysdeps/unix/sysv/linux/i386/Makefile b/sysdeps/unix/sysv/linux/i386/Makefile
new file mode 100644
index 0000000000..76d295e048
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/i386/Makefile
@@ -0,0 +1,7 @@
+ifeq ($(subdir), misc)
+sysdep_routines := $(sysdep_routines) fpu_control setfpucw
+
+extra-libs := $(extra-libs) libieee
+libieee-routines := ieee_fpu
+libieee-inhibit-o := .so .po
+endif
diff --git a/sysdeps/unix/sysv/linux/i386/brk.S b/sysdeps/unix/sysv/linux/i386/brk.S
new file mode 100644
index 0000000000..ef2f55db97
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/i386/brk.S
@@ -0,0 +1,60 @@
+/* Copyright (C) 1991, 1992, 1993, 1995 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 Library General Public License as
+published by the Free Software Foundation; either version 2 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA. */
+
+#include <sysdep.h>
+
+.data
+.globl C_SYMBOL_NAME(__curbrk)
+C_LABEL(__curbrk)
+#ifdef PIC
+ .long 0
+#else
+# ifdef HAVE_GNU_LD
+ .long C_SYMBOL_NAME(_end)
+# else
+ .long C_SYMBOL_NAME(end)
+# endif
+#endif
+
+.text
+.globl C_SYMBOL_NAME(syscall_error)
+
+ENTRY (__brk)
+ movl %ebx, %edx
+ movl $SYS_ify(brk), %eax
+ movl 4(%esp), %ebx
+ int $0x80
+ movl %edx, %ebx
+
+ cmpl 4(%esp), %eax
+ jne JUMPTARGET(syscall_error)
+
+#ifdef PIC
+ /* Standard PIC nonsense to store into `__curbrk' through the GOT. */
+ call here
+here: popl %ecx
+ addl $_GLOBAL_OFFSET_TABLE_+[.-here], %ecx
+ movl C_SYMBOL_NAME(__curbrk@GOT)(%ecx), %ecx
+ movl %eax, (%ecx)
+#else
+ movl %eax, C_SYMBOL_NAME(__curbrk)
+#endif
+ xorl %eax, %eax
+ ret
+
+weak_alias (__brk, brk)
diff --git a/sysdeps/unix/sysv/linux/i386/fcntlbits.h b/sysdeps/unix/sysv/linux/i386/fcntlbits.h
new file mode 100644
index 0000000000..8d92ac02b0
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/i386/fcntlbits.h
@@ -0,0 +1,26 @@
+/* O_*, F_*, FD_* bit values for Linux.
+Copyright (C) 1995 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 Library General Public License as
+published by the Free Software Foundation; either version 2 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA. */
+
+#ifndef _FCNTLBITS_H
+#define _FCNTLBITS_H 1
+
+#include <sys/types.h>
+#include <linux/fcntl.h>
+
+#endif /* fcntlbits.h */
diff --git a/sysdeps/unix/sysv/linux/i386/fpu_control.c b/sysdeps/unix/sysv/linux/i386/fpu_control.c
new file mode 100644
index 0000000000..79933b90eb
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/i386/fpu_control.c
@@ -0,0 +1,20 @@
+/* Default control word for ix86 FPU.
+Copyright (C) 1995 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 Library General Public License as
+published by the Free Software Foundation; either version 2 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA. */
+
+unsigned short ___fpu_control = 0;
diff --git a/sysdeps/unix/sysv/linux/i386/fpu_control.h b/sysdeps/unix/sysv/linux/i386/fpu_control.h
new file mode 100644
index 0000000000..28f3eeba7b
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/i386/fpu_control.h
@@ -0,0 +1,100 @@
+/* Copyright (C) 1993 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+Contributed by Olaf Flebbe.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA. */
+
+#ifndef _FPU_CONTROL_H
+#define _FPU_CONTROL_H
+
+/* Here is the dirty part. Settup up your 387 through the control word
+ * (cw) register.
+ *
+ * 15-13 12 11-10 9-8 7-6 5 4 3 2 1 0
+ * | reserved | IC | RC | PC | reserved | PM | UM | OM | ZM | DM | IM
+ *
+ * IM: Invalid operation mask
+ * DM: Denormalized operand mask
+ * ZM: Zero-divide mask
+ * OM: Overflow mask
+ * UM: Underflow mask
+ * PM: Precision (inexact result) mask
+ *
+ * Mask bit is 1 means no interrupt.
+ *
+ * PC: Precision control
+ * 11 - round to extended precision
+ * 10 - round to double precision
+ * 00 - round to single precision
+ *
+ * RC: Rounding control
+ * 00 - rounding to nearest
+ * 01 - rounding down (toward - infinity)
+ * 10 - rounding up (toward + infinity)
+ * 11 - rounding toward zero
+ *
+ * IC: Infinity control
+ * That is for 8087 and 80287 only.
+ *
+ * The hardware default is 0x037f. I choose 0x1372.
+ */
+
+#include <features.h>
+
+/* masking of interrupts */
+#define _FPU_MASK_IM 0x01
+#define _FPU_MASK_DM 0x02
+#define _FPU_MASK_ZM 0x04
+#define _FPU_MASK_OM 0x08
+#define _FPU_MASK_UM 0x10
+#define _FPU_MASK_PM 0x20
+
+/* precision control */
+#define _FPU_EXTENDED 0x300 /* RECOMMENDED */
+#define _FPU_DOUBLE 0x200
+#define _FPU_SINGLE 0x0 /* DO NOT USE */
+
+/* rounding control */
+#define _FPU_RC_NEAREST 0x0 /* RECOMMENDED */
+#define _FPU_RC_DOWN 0x400
+#define _FPU_RC_UP 0x800
+#define _FPU_RC_ZERO 0xC00
+
+#define _FPU_RESERVED 0xF0C0 /* Reserved bits in cw */
+
+
+/* Now two recommended cw */
+
+/* Linux default:
+ - extended precision
+ - rounding to nearest
+ - exceptions on overflow, zero divide and NaN */
+#define _FPU_DEFAULT 0x1372
+
+/* IEEE: same as above, but exceptions */
+#define _FPU_IEEE 0x137f
+
+/* private namespace. It should only be used in init-first.o. */
+extern unsigned short __fpu_control;
+
+__BEGIN_DECLS
+
+/* called in init-first.o. It can be used to manipulate 387 control word. */
+extern void __setfpucw __P ((unsigned short));
+
+__END_DECLS
+
+#endif /* fpu_control.h */
diff --git a/sysdeps/unix/sysv/linux/i386/fstat.S b/sysdeps/unix/sysv/linux/i386/fstat.S
new file mode 100644
index 0000000000..434ad4ad64
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/i386/fstat.S
@@ -0,0 +1,4 @@
+#define __stat __fstat
+#define stat fstat
+#define __xstat __fxstat
+#include "stat.S"
diff --git a/sysdeps/unix/sysv/linux/i386/fxstat.S b/sysdeps/unix/sysv/linux/i386/fxstat.S
new file mode 100644
index 0000000000..c4db088abe
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/i386/fxstat.S
@@ -0,0 +1,4 @@
+#define __xstat __fxstat
+#define _xstat _fxstat
+#define stat fstat
+#include "xstat.S"
diff --git a/sysdeps/unix/sysv/linux/i386/ieee_fpu.c b/sysdeps/unix/sysv/linux/i386/ieee_fpu.c
new file mode 100644
index 0000000000..4a0bf31e7c
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/i386/ieee_fpu.c
@@ -0,0 +1,22 @@
+/* Default control word for ix86 FPU.
+Copyright (C) 1995 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 Library General Public License as
+published by the Free Software Foundation; either version 2 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA. */
+
+#include <fpu_control.h>
+
+unsigned short ___fpu_control = _FPU_IEEE;
diff --git a/sysdeps/unix/sysv/linux/i386/init-first.S b/sysdeps/unix/sysv/linux/i386/init-first.S
new file mode 100644
index 0000000000..3c0c185fb7
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/i386/init-first.S
@@ -0,0 +1,84 @@
+/* Initialization code run first thing by the ELF startup code.
+ For i386/Linux.
+Copyright (C) 1995 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 Library General Public License as
+published by the Free Software Foundation; either version 2 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA. */
+
+#include <sysdep.h>
+
+ .text
+
+ /* Called from start.S. Not: there is no value in %ebx. */
+
+ENTRY (__libc_init_first)
+
+ /* Make sure we are not using iBSC2 personality. */
+ movl $SYS_ify (personality), %eax
+ xorl %ebx, %ebx
+ int $0x80
+
+#ifdef PIC
+ /* Set control work of FPU. */
+ call .L0
+.L0: popl %ebx
+ addl $_GLOBAL_OFFSET_TABLE_+[.-.L0], %ebx
+ movzwl C_SYMBOL_NAME(___fpu_control@GOT)(%ebx), %eax
+#else
+ movzwl ___fpu_control, %eax
+#endif
+ pushl %eax
+ call JUMPTARGET(__setfpucw)
+ addl $4, %esp
+
+ /* That is all for now. */
+ ret
+
+
+ /* This is only a dummy function for the list below. */
+ .type _dummy_exit, @function
+C_LABEL(_dummy_exit)
+ ret
+
+
+ .section .init,"ax",@progbits
+ movl 16(%ebp), %edx /* envp */
+ movl 12(%ebp), %ecx /* argv */
+ movl 8(%ebp), %eax /* argc */
+ pushl %edx
+ pushl %ecx
+ pushl %eax
+
+ call JUMPTARGET(__libc_init)
+
+ addl $12, %esp
+
+
+ /* Make sure __libc_subinit section is always present. */
+ .section __libc_subinit, "a", @progbits
+ .align 4
+ .type __elf_set___libc_subinit_element__dummy_exit__, @object
+ .size __elf_set___libc_subinit_element__dummy_exit__, 4
+__elf_set___libc_subinit_element__dummy_exit__:
+ .long _dummy_exit
+
+ /* Make sure __libc_atexit section is always present. */
+ .section __libc_atexit, "a", @progbits
+ .align 4
+ .type __elf_set___libc_atexit_element__dummy_exit__, @object
+ .size __elf_set___libc_atexit_element__dummy_exit__, 4
+__elf_set___libc_atexit_element__dummy_exit__:
+ .long _dummy_exit
diff --git a/sysdeps/unix/sysv/linux/i386/ipc.S b/sysdeps/unix/sysv/linux/i386/ipc.S
new file mode 100644
index 0000000000..bb523a20dc
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/i386/ipc.S
@@ -0,0 +1,22 @@
+/* Copyright (C) 1995 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 Library General Public License as
+published by the Free Software Foundation; either version 2 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA. */
+
+#include <sysdep.h>
+
+SYSCALL__ (ipc, 5)
+ ret
diff --git a/sysdeps/unix/sysv/linux/i386/lstat.S b/sysdeps/unix/sysv/linux/i386/lstat.S
new file mode 100644
index 0000000000..9135c6bfe1
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/i386/lstat.S
@@ -0,0 +1,4 @@
+#define __stat __lstat
+#define stat lstat
+#define __xstat __lxstat
+#include "stat.S"
diff --git a/sysdeps/unix/sysv/linux/i386/lxstat.S b/sysdeps/unix/sysv/linux/i386/lxstat.S
new file mode 100644
index 0000000000..fee635be78
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/i386/lxstat.S
@@ -0,0 +1,4 @@
+#define __xstat __lxstat
+#define _xstat _lxstat
+#define stat lstat
+#include "xstat.S"
diff --git a/sysdeps/unix/sysv/linux/i386/mknod.S b/sysdeps/unix/sysv/linux/i386/mknod.S
new file mode 100644
index 0000000000..7faf89d74b
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/i386/mknod.S
@@ -0,0 +1,39 @@
+/* Copyright (C) 1995 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 Library General Public License as
+published by the Free Software Foundation; either version 2 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA. */
+
+#include <sysdep.h>
+
+/* In Linux the `mknod' call is actually done by a emulation of the
+ `xmknod' system call, which takes an additional first argument
+ giving a version number for the interface. This macro gives the
+ Linux version number that corresponds to the modern interface. */
+#define _MKNOD_VER 1
+
+ENTRY (__mknod)
+ movl 12(%esp), %edx
+ movl 8(%esp), %ecx
+ movl 4(%esp), %eax
+ pushl %edx
+ pushl %ecx
+ pushl %eax
+ pushl $_MKNOD_VER /* Push extra first arg to syscall. */
+ call JUMPTARGET(__xmknod)
+ addl $16, %esp /* Correct version parameter offset. */
+ ret
+
+weak_alias (__mknod, mknod)
diff --git a/sysdeps/unix/sysv/linux/i386/mmap.S b/sysdeps/unix/sysv/linux/i386/mmap.S
new file mode 100644
index 0000000000..96ea870846
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/i386/mmap.S
@@ -0,0 +1,45 @@
+/* Copyright (C) 1995 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 Library General Public License as
+published by the Free Software Foundation; either version 2 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA. */
+
+#include <sysdep.h>
+
+.globl syscall_error
+
+ENTRY (__mmap)
+
+ /* Save registers. */
+ movl %ebx, %edx
+
+ movl $SYS_ify(mmap), %eax /* System call number in %eax. */
+
+ lea 4(%esp), %ebx /* Address of args is 1st arg. */
+
+ /* Do the system call trap. */
+ int $0x80
+
+ /* Restore registers. */
+ movl %edx, %ebx
+
+ /* %eax is < 0 if there was an error. */
+ testl %eax, %eax
+ jl JUMPTARGET(syscall_error)
+
+ /* Successful; return the syscall's value. */
+ ret
+
+weak_alias (__mmap, mmap)
diff --git a/sysdeps/unix/sysv/linux/i386/sbrk.S b/sysdeps/unix/sysv/linux/i386/sbrk.S
new file mode 100644
index 0000000000..7a0e940cfe
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/i386/sbrk.S
@@ -0,0 +1,82 @@
+/* Copyright (C) 1995 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 Library General Public License as
+published by the Free Software Foundation; either version 2 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA. */
+
+#include <sysdep.h>
+
+.data
+.globl C_SYMBOL_NAME(__curbrk)
+
+.text
+.globl C_SYMBOL_NAME(syscall_error)
+
+ENTRY (__sbrk)
+
+ movl %ebx, %edx
+
+#ifdef PIC
+ /* Standard PIC nonsense to access `__curbrk' through the GOT. */
+ call .L0
+.L0: popl %ecx
+ addl $_GLOBAL_OFFSET_TABLE_+[.-.L0], %ecx
+
+ movl C_SYMBOL_NAME(__curbrk@GOT)(%ecx), %ecx
+ movl (%ecx), %ebx
+ movl %ebx, %eax
+ testl %ebx, %ebx
+ jne .L1
+
+ /* We have to initialize `__curbrk' first. */
+ movl $SYS_ify(brk), %eax
+ int $0x80
+
+ movl %eax, (%ecx)
+ movl %eax, %ebx
+ .align 16, 0x90
+
+.L1:
+#else
+ movl C_SYMBOL_NAME(__curbrk), %ebx
+ movl %ebx, %eax
+#endif
+
+ addl 4(%esp), %ebx
+ cmpl %ebx, %eax
+ je .L2
+
+ movl $SYS_ify(brk), %eax
+ int $0x80
+
+ cmpl %eax, %ebx
+ jne .L3
+
+#ifdef PIC
+ xchgl %eax, (%ecx)
+#else
+ xchgl %eax, C_SYMBOL_NAME(__curbrk)
+#endif
+
+.L2:
+ movl %edx, %ebx
+ ret
+
+ .align 16
+.L3:
+ movl %edx, %ebx
+ jmp JUMPTARGET(syscall_error)
+
+weak_alias (__sbrk, sbrk)
diff --git a/sysdeps/unix/sysv/linux/i386/setfpucw.c b/sysdeps/unix/sysv/linux/i386/setfpucw.c
new file mode 100644
index 0000000000..329573df6a
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/i386/setfpucw.c
@@ -0,0 +1,43 @@
+/* Copyright (C) 1993 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+Contributed by Olaf Flebbe.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA. */
+
+#include <fpu_control.h>
+
+void
+__setfpucw (fpu_control)
+ unsigned short fpu_control;
+{
+ volatile unsigned short cw;
+
+ /* If user supplied _fpu_control, use it ! */
+ if (!fpu_control)
+ {
+ /* use linux defaults */
+ fpu_control = _FPU_DEFAULT;
+ }
+ /* Get Control Word */
+ __asm__ volatile ("fnstcw %0" : "=m" (cw) : );
+
+ /* mask in */
+ cw &= _FPU_RESERVED;
+ cw = cw | (fpu_control & ~_FPU_RESERVED);
+
+ /* set cw */
+ __asm__ volatile ("fldcw %0" :: "m" (cw));
+}
diff --git a/sysdeps/unix/sysv/linux/i386/signum.h b/sysdeps/unix/sysv/linux/i386/signum.h
new file mode 100644
index 0000000000..8e4f270204
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/i386/signum.h
@@ -0,0 +1,66 @@
+/* Signal number definitions. Linux version.
+Copyright (C) 1995 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 Library General Public License as
+published by the Free Software Foundation; either version 2 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA. */
+
+#ifdef _SIGNAL_H
+
+/* Fake signal functions. */
+#define SIG_ERR ((__sighandler_t) -1) /* Error return. */
+#define SIG_DFL ((__sighandler_t) 0) /* Default action. */
+#define SIG_IGN ((__sighandler_t) 1) /* Ignore signal. */
+
+
+/* Signals. */
+#define SIGHUP 1 /* Hangup (POSIX). */
+#define SIGINT 2 /* Interrupt (ANSI). */
+#define SIGQUIT 3 /* Quit (POSIX). */
+#define SIGILL 4 /* Illegal instruction (ANSI). */
+#define SIGTRAP 5 /* Trace trap (POSIX). */
+#define SIGABRT SIGIOT /* Abort (ANSI). */
+#define SIGIOT 6 /* IOT trap (4.2 BSD). */
+#define SIGBUS 7 /* BUS error (4.2 BSD). */
+#define SIGFPE 8 /* Floating-point exception (ANSI). */
+#define SIGKILL 9 /* Kill, unblockable (POSIX). */
+#define SIGUSR1 10 /* User-defined signal 1 (POSIX). */
+#define SIGSEGV 11 /* Segmentation violation (ANSI). */
+#define SIGUSR2 12 /* User-defined signal 2 (POSIX). */
+#define SIGPIPE 13 /* Broken pipe (POSIX). */
+#define SIGALRM 14 /* Alarm clock (POSIX). */
+#define SIGTERM 15 /* Termination (ANSI). */
+#define SIGSTKFLT 16 /* ??? */
+#define SIGCLD SIGCHLD /* Same as SIGCHLD (System V). */
+#define SIGCHLD 17 /* Child status has changed (POSIX). */
+#define SIGCONT 18 /* Continue (POSIX). */
+#define SIGSTOP 19 /* Stop, unblockable (POSIX). */
+#define SIGTSTP 20 /* Keyboard stop (POSIX). */
+#define SIGTTIN 21 /* Background read from tty (POSIX). */
+#define SIGTTOU 22 /* Background write to tty (POSIX). */
+#define SIGURG 23 /* Urgent condition on socket (4.2 BSD). */
+#define SIGXCPU 24 /* CPU limit exceeded (4.2 BSD). */
+#define SIGXFSZ 25 /* File size limit exceeded (4.2 BSD). */
+#define SIGVTALRM 26 /* Virtual alarm clock (4.2 BSD). */
+#define SIGPROF 27 /* Profiling alarm clock (4.2 BSD). */
+#define SIGWINCH 28 /* Window size change (4.3 BSD, Sun). */
+#define SIGPOLL SIGIO /* Pollable event occured (System V). */
+#define SIGIO 29 /* I/O now possible (4.2 BSD). */
+#define SIGPWR 30 /* Power failure restart (System V). */
+#define SIGUNUSED 31
+
+#endif /* <signal.h> included. */
+
+#define _NSIG 32 /* Biggest signal number + 1. */
diff --git a/sysdeps/unix/sysv/linux/i386/socket.S b/sysdeps/unix/sysv/linux/i386/socket.S
new file mode 100644
index 0000000000..3d3a67213b
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/i386/socket.S
@@ -0,0 +1,60 @@
+/* Copyright (C) 1995 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 Library General Public License as
+published by the Free Software Foundation; either version 2 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA. */
+
+#include <sysdep.h>
+#include <sys/socketcall.h>
+
+#define P(a, b) P2(a, b)
+#define P2(a, b) a##b
+
+.globl syscall_error
+
+/* The socket-oriented system calls are handled unusally in Linux.
+ They are all gated through the single `socketcall' system call number.
+ `socketcall' takes two arguments: the first is the subcode, specifying
+ which socket function is being called; and the second is a pointer to
+ the arguments to the specific function.
+
+ The .S files for the other calls just #define socket and #include this. */
+
+.globl P(__,socket)
+ENTRY (P(__,socket))
+
+ /* Save registers. */
+ movl %ebx, %edx
+
+ movl $SYS_ify(socketcall), %eax /* System call number in %eax. */
+
+ /* Use ## so `socket' is a separate token that might be #define'd. */
+ movl $P(SOCKOP_,socket), %ebx /* Subcode is first arg to syscall. */
+ lea 8(%esp), %ecx /* Address of args is 2nd arg. */
+
+ /* Do the system call trap. */
+ int $0x80
+
+ /* Restore registers. */
+ movl %edx, %ebx
+
+ /* %eax is < 0 if there was an error. */
+ testl %eax, %eax
+ jl JUMPTARGET(syscall_error)
+
+ /* Successful; return the syscall's value. */
+ ret
+
+weak_alias (P(__,socket), socket)
diff --git a/sysdeps/unix/sysv/linux/i386/stat.S b/sysdeps/unix/sysv/linux/i386/stat.S
new file mode 100644
index 0000000000..73204bf254
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/i386/stat.S
@@ -0,0 +1,38 @@
+/* Copyright (C) 1995 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 Library General Public License as
+published by the Free Software Foundation; either version 2 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA. */
+
+#include <sysdep.h>
+
+/* In Linux the `stat' call is actually done by emulating a `xstat' system
+ call, which takes an additional first argument giving a version number
+ for `struct stat'. Likewise for `fstat' and `lstat' there are `fxstat'
+ and `lxstat' emulations. This macro gives the Linux version number that
+ corresponds to the definition of `struct stat' in <statbuf.h>. */
+#define _STAT_VER 1
+
+ENTRY (__stat)
+ movl 8(%esp), %eax
+ movl 4(%esp), %ecx
+ pushl %eax
+ pushl %ecx
+ pushl $_STAT_VER /* Push extra first arg to syscall. */
+ call JUMPTARGET(__xstat)/* Jump to xstat implementation. */
+ addl $12, %esp
+ ret
+
+weak_alias (__stat, stat)
diff --git a/sysdeps/unix/sysv/linux/i386/syscall.S b/sysdeps/unix/sysv/linux/i386/syscall.S
new file mode 100644
index 0000000000..6e6aa5d3c8
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/i386/syscall.S
@@ -0,0 +1,31 @@
+/* Copyright (C) 1995 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 Library General Public License as
+published by the Free Software Foundation; either version 2 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA. */
+
+#include <sysdep.h>
+
+.globl syscall_error
+ENTRY (syscall)
+ popl %ecx /* Pop return address into %ecx. */
+ popl %eax /* Pop syscall number into %eax. */
+ pushl %ecx /* Push back return address. */
+ DO_CALL (5) /* Frob the args and do the system call. */
+ movl (%esp), %ecx
+ pushl %ecx
+ testl %eax, %eax /* Check %eax for error. */
+ jl JUMPTARGET(syscall_error) /* Jump to error handler if negative. */
+ ret /* Return to caller. */
diff --git a/sysdeps/unix/sysv/linux/i386/sysdep.S b/sysdeps/unix/sysv/linux/i386/sysdep.S
new file mode 100644
index 0000000000..b873c958bb
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/i386/sysdep.S
@@ -0,0 +1,40 @@
+/* Copyright (C) 1995 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 Library General Public License as
+published by the Free Software Foundation; either version 2 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA. */
+
+/* The syscall stubs jump here when they detect an error.
+ The code for Linux is almost identical to the canonical Unix/i386
+ code, except that the error number in %eax is negated. */
+
+.globl __syscall_error
+__syscall_error:
+ negl %eax
+
+#define __syscall_error __syscall_error_1
+#include <sysdeps/unix/i386/sysdep.S>
+
+/* Because the Linux version is in fact i386/ELF and the start.? file
+ for this system (sysdeps/i386/elf/start.S) is also used by The Hurd
+ and therefore this files must not contain the definition of the
+ `errno' variable (I don't know why, ask Roland), we have to define
+ it somewhere else.
+
+ ...and this please is here. */
+ .data
+ .globl errno
+errno:
+ .long 0
diff --git a/sysdeps/unix/sysv/linux/i386/sysdep.h b/sysdeps/unix/sysv/linux/i386/sysdep.h
new file mode 100644
index 0000000000..7fe4d414e3
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/i386/sysdep.h
@@ -0,0 +1,135 @@
+/* Copyright (C) 1992, 1993, 1995 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+Contributed by Ulrich Drepper, <drepper@gnu.ai.mit.edu>, August 1995.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA. */
+
+/* In the Linux/ELF world, C symbols are asm symbols. */
+#define NO_UNDERSCORES
+
+/* There is some commonality. */
+#include <sysdeps/unix/i386/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_##syscall_name
+#else
+# define SYS_ify(syscall_name) __NR_/**/syscall_name
+#endif
+
+
+#ifdef ASSEMBLER
+
+/* Linux uses a negative return value to indicate syscall errors, unlike
+ most Unices, which use the condition codes' carry flag. */
+#undef PSEUDO
+#define PSEUDO(name, syscall_name, args) \
+ .text; \
+ .globl syscall_error; \
+ ENTRY (name) \
+ movl $SYS_ify (syscall_name), %eax; \
+ DO_CALL (args); \
+ testl %eax, %eax; \
+ jl JUMPTARGET (syscall_error)
+
+/* We define our own ENTRY macro because the alignment should be 16 for ELF. */
+#undef ENTRY
+#define ENTRY(name) \
+ ASM_GLOBAL_DIRECTIVE C_SYMBOL_NAME (name); \
+ ASM_TYPE_DIRECTIVE (C_SYMBOL_NAME (name), @function) \
+ .align 16; \
+ C_LABEL (name)
+
+/* Linux takes system call arguments in registers:
+
+ syscall number %eax call-clobbered
+ arg 1 %ebx call-saved
+ arg 2 %ecx call-clobbered
+ arg 3 %edx call-clobbered
+ arg 4 %esi call-saved
+ arg 5 %edi call-saved
+
+ The stack layout upon entering the function is:
+
+ 20(%esp) Arg# 5
+ 16(%esp) Arg# 4
+ 12(%esp) Arg# 3
+ 8(%esp) Arg# 2
+ 4(%esp) Arg# 1
+ (%esp) Return address
+
+ (Of course a function with say 3 arguments does not have entries for
+ arguments 4 and 5.)
+
+ The following code tries hard to be optimal. A general assuption
+ (which is true accoriding to the data books I have) is that
+
+ 2 * xchg is more expensive than pushl + movl + popl
+
+ Beside this a neat trick is used. The calling conventions for Linux
+ tell that among the registers used for parameters %ecx and %edx need
+ not be saved. Beside this we may clobber this registers even when
+ they are not used for parameter passing.
+
+ As a result one can see below that we save the content of the %ebx
+ register in the %edx register when we have less than 3 arguments
+ (2 * movl is less expensive than pushl + popl).
+
+ Second unlike for the other registers we don't save the content of
+ %ecx and %edx when we have than 1 and 2 registers resp. */
+
+#undef DO_CALL
+#define DO_CALL(args) \
+ DOARGS_##args \
+ int $0x80; \
+ UNDOARGS_##args
+
+#define DOARGS_0 /* No arguments to frob. */
+#define UNDOARGS_0 /* No arguments to unfrob. */
+#define _DOARGS_0(n) /* No arguments to frob. */
+#define _UNDOARGS_0 /* No arguments to unfrob. */
+
+#define DOARGS_1 movl %ebx, %edx; movl 4(%esp), %ebx; DOARGS_0
+#define UNDOARGS_1 UNDOARGS_0; movl %edx, %ebx
+#define _DOARGS_1(n) pushl %ebx; movl n+4(%esp), %ebx; _DOARGS_0 (n)
+#define _UNDOARGS_1 _UNDOARGS_0; popl %ebx
+
+#define DOARGS_2 movl 8(%esp), %ecx; DOARGS_1
+#define UNDOARGS_2 UNDOARGS_1
+#define _DOARGS_2(n) movl n(%esp), %ecx; _DOARGS_1 (n-4)
+#define _UNDOARGS_2 _UNDOARGS_1
+
+#define DOARGS_3 _DOARGS_3 (12)
+#define UNDOARGS_3 _UNDOARGS_3
+#define _DOARGS_3(n) movl n(%esp), %edx; _DOARGS_2 (n-4)
+#define _UNDOARGS_3 _UNDOARGS_2
+
+#define DOARGS_4 _DOARGS_4 (16)
+#define UNDOARGS_4 _UNDOARGS_4
+#define _DOARGS_4(n) pushl %esi; movl n+4(%esp), %esi; _DOARGS_3 (n)
+#define _UNDOARGS_4 _UNDOARGS_3; popl %esi
+
+#define DOARGS_5 _DOARGS_5 (20)
+#define UNDOARGS_5 _UNDOARGS_5
+#define _DOARGS_5(n) pushl %edi; movl n+4(%esp), %edi; _DOARGS_4 (n)
+#define _UNDOARGS_5 _UNDOARGS_4; popl %edi
+
+
+#endif /* ASSEMBLER */
diff --git a/sysdeps/unix/sysv/linux/i386/xmknod.S b/sysdeps/unix/sysv/linux/i386/xmknod.S
new file mode 100644
index 0000000000..fde3165d01
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/i386/xmknod.S
@@ -0,0 +1,49 @@
+/* Copyright (C) 1995 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 Library General Public License as
+published by the Free Software Foundation; either version 2 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA. */
+
+#include <sysdep.h>
+#include <errnos.h>
+
+.globl syscall_error
+ENTRY (__xmknod)
+ popl %ecx /* Pop return address into %eax. */
+ popl %edx /* Pop version number into %edx. */
+ pushl %ecx /* Push back the return address. */
+
+ movl $SYS_ify(mknod), %eax
+ /* Load syscall number for prev_stat in %eax. */
+ cmpl $1, %edx /* Version 1 xstat call? */
+ je .L1 /* Yes, do syscall. */
+
+ movl $-EINVAL, %eax /* Load error code into %eax. */
+ jmp .L2
+
+.L1: DO_CALL (3) /* Do the syscall. */
+
+ movl (%esp), %ecx
+ testl %eax, %eax /* Check for error. */
+ jl .L2
+
+ jmp *%ecx /* Return success. */
+
+.L2: pushl %ecx
+ jmp JUMPTARGET(syscall_error)
+ /* Yes, then branch to error handling. */
+
+/* For compatibility with Linux libc. */
+weak_alias (__xmknod, _xmknod)
diff --git a/sysdeps/unix/sysv/linux/i386/xstat.S b/sysdeps/unix/sysv/linux/i386/xstat.S
new file mode 100644
index 0000000000..34822beda6
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/i386/xstat.S
@@ -0,0 +1,51 @@
+/* Copyright (C) 1995 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 Library General Public License as
+published by the Free Software Foundation; either version 2 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA. */
+
+#include <sysdep.h>
+#include <errnos.h>
+
+#define SYS_expand(name) SYS_ify(name)
+
+.globl syscall_error
+ENTRY (__xstat)
+ popl %ecx /* Pop return address into %eax. */
+ popl %edx /* Pop version number into %edx. */
+ pushl %ecx /* Push back the return address. */
+
+ movl $SYS_expand(stat), %eax
+ /* Load syscall number for prev_stat in %eax. */
+ cmpl $1, %edx /* Version 1 xstat call? */
+ je .L1 /* Yes, do syscall. */
+
+ movl $-EINVAL, %eax /* Load error code into %eax. */
+ jmp .L2
+
+.L1: DO_CALL (2) /* Do the syscall. */
+
+ movl (%esp), %ecx
+ testl %eax, %eax /* Check for error. */
+ jl .L2
+
+ jmp *%ecx /* Return success. */
+
+.L2: pushl %ecx
+ jmp JUMPTARGET(syscall_error)
+ /* Yes, then branch to error handling. */
+
+/* For compatibility with Linux libc. */
+weak_alias (__xstat, _xstat)