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Linux is now based in sysdeps/unix/sysv.
This commit is contained in:
Ulrich Drepper
@@ -1,2 +0,0 @@
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#define socket accept
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#include <socket.S>
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@@ -1,2 +0,0 @@
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#define socket bind
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#include <socket.S>
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@@ -1,2 +0,0 @@
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#define socket connect
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#include <socket.S>
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@@ -1,2 +0,0 @@
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#define socket getpeername
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#include <socket.S>
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@@ -1,2 +0,0 @@
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#define socket getsockname
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#include <socket.S>
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@@ -1,54 +0,0 @@
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/* Copyright (C) 1995 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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Cambridge, MA 02139, USA. */
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#include <sysdep.h>
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#include <sys/socketcall.h>
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.globl syscall_error
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/* The socket-oriented system calls are handled unusally in Linux.
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They are all gated through the single `socketcall' system call number.
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`socketcall' takes two arguments: the first is the subcode, specifying
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which socket function is being called; and the second is a pointer to
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the arguments to the specific function.
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The .S files for the other calls just #define socket and #include this. */
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ENTRY (socket)
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/* Save registers. */
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movl %ebx, %edx
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movl $SYS_socketcall, %eax /* System call number in %eax. */
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/* Use ## so `socket' is a separate token that might be #define'd. */
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movl $SYS_##socket, %ebx /* Subcode is first arg to syscall. */
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lea 8(%esp), %ecx /* Address of args is 2nd arg. */
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/* Do the system call trap. */
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int $0x80
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/* Restore registers. */
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movl %edx, %ebx
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/* %eax is < 0 if there was an error. */
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testl %eax, %eax
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jl JUMPTARGET(syscall_error)
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/* Successful; return the syscall's value. */
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ret
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@@ -1,29 +0,0 @@
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/* Copyright (C) 1995 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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Cambridge, MA 02139, USA. */
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#include <sysdep.h>
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ASM_GLOBAL_DIRECTIVE syscall_error
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ENTRY (syscall)
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popl %ecx /* Pop return address into %ecx. */
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popl %eax /* Pop syscall number into %eax. */
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pushl %ecx /* Push back return address. */
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DO_CALL (5) /* Frob the args and do the system call. */
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testl %eax, %eax /* Check %eax for error. */
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jl JUMPTARGET(syscall_error) /* Jump to error handler if negative. */
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ret /* Return to caller. */
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@@ -1,27 +0,0 @@
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/* Copyright (C) 1995 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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Cambridge, MA 02139, USA. */
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/* The syscall stubs jump here when they detect an error.
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The code for Linux is almost identical to the canonical Unix/i386
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code, except that the error number in %eax is negated. */
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__syscall_error:
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negl %eax
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#define __syscall_error __syscall_error_1
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#include <sysdeps/unix/i386/sysdep.S>
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@@ -1,86 +0,0 @@
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/* Copyright (C) 1992, 1993, 1995 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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Cambridge, MA 02139, USA. */
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/* In the Linux/ELF world, C symbols are asm symbols. */
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#define NO_UNDERSCORES
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/* There is some commonality. */
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#include <sysdeps/unix/i386/sysdep.h>
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#ifdef ASSEMBLER
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/* Linux uses a negative return value to indicate syscall errors, unlike
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most Unices, which use the condition codes' carry flag. */
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#undef PSEUDO
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#define PSEUDO(name, syscall_name, args) \
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.text; \
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.globl __syscall_error; \
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ENTRY (name) \
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movl $SYS_##syscall_name, %eax; \
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DO_CALL (args) \
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testl %eax, %eax; \
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jl JUMPTARGET(__syscall_error)
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/* Linux takes system call arguments in registers:
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syscall number %eax call-clobbered
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arg 1 %ebx call-saved
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arg 2 %ecx call-clobbered
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arg 3 %edx call-clobbered
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arg 4 %esi call-saved
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arg 5 %edi call-saved
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The stack layout upon entering the function is:
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24(%esp) Arg# 5
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20(%esp) Arg# 4
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16(%esp) Arg# 3
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12(%esp) Arg# 2
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8(%esp) Arg# 1
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4(%esp) Return address
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(%esp)
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(Of course a function with e.g. 3 argumentS does not have entries for
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arguments 4 and 5.)
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We put the arguments into registers from the stack, and save the
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call-saved registers, by using the 386 `xchg' instruction to swap the
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values in both directions. */
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#undef DO_CALL
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#define DO_CALL(args) \
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DOARGS_##args \
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int $0x80; \
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UNDOARGS_##args \
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#define DOARGS_0 /* No arguments to frob. */
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#define UNDOARGS_0 /* No arguments to unfrob. */
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#define DOARGS_1 xchg 8(%esp), %ebx; DOARGS_0 /* Save %ebx on stack. */
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#define UNDOARGS_1 xchg 8(%esp), %ebx; UNDOARGS_0 /* Restore %ebx */
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#define DOARGS_2 movel 12(%esp), %ecx; DOARGS_1
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#define UNDOARGS_2 UNDOARGS_1 /* %ecx is clobbered. */
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#define DOARGS_3 movel 16(%esp), %edx; DOARGS_2
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#define UNDOARGS_3 UNDOARGS_2 /* %edx is clobbered. */
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#define DOARGS_4 xchg 20(%esp), %esi; DOARGS_3 /* Save %esi on stack. */
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#define UNDOARGS_4 xchg 20(%esp), %esi; UNDOARGS_3 /* Restore %esi. */
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#define DOARGS_5 xchg 24(%esp), %edi; DOARGS_3 /* Save %edi on stack. */
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#define UNDOARGS_5 xchg 24(%esp), %edi; UNDOARGS_3 /* Restore %edi. */
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#endif /* ASSEMBLER */
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@@ -1,2 +0,0 @@
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#define socket listen
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#include <socket.S>
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@@ -1 +0,0 @@
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#include <sysdeps/unix/bsd/rename.S>
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@@ -1 +0,0 @@
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#include <sysdeps/unix/bsd/bsd4.4/setsid.S>
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@@ -1,2 +0,0 @@
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#define socket socketpair
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#include <socket.S>
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@@ -1 +0,0 @@
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#include <sysdeps/unix/bsd/bsd4.4/wait4.S>
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@@ -1,24 +0,0 @@
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/* Copyright (C) 1991, 1992, 1995 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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Cambridge, MA 02139, USA. */
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#include <sysdep.h>
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SYSCALL__ (waitpid, 3)
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ret
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weak_alias (__waitpid, waitpid)
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