Remove these from libc; they are now system calls.

Prompted by:	mini

1 files changed, 0 insertions, 158 deletions

diff --git a/lib/libc/i386/gen/getcontext.S b/lib/libc/i386/gen/getcontext.S
deleted file mode 100644
index 810d138..0000000
--- a/lib/libc/i386/gen/getcontext.S
+++ /dev/null
@@ -1,158 +0,0 @@
-/*
- * Copyright (c) 2001 Daniel Eischen <deischen@freebsd.org>.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Neither the name of the author nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY DANIEL EISCHEN AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#include <machine/asm.h>
-__FBSDID("$FreeBSD$");
-
-/*
- * Where do we define these?
- */
-#define	MC_SIZE			640	/* sizeof mcontext_t */
-#define	UC_MC_OFFSET		16	/* offset to mcontext from ucontext */
-#define	UC_MC_LEN_OFFSET	96	/* offset to mc_len from mcontext */
-#define	MC_LEN_OFFSET		80	/* offset to mc_len from mcontext */
-#define	MC_FP_REGS_OFFSET	96	/* offset to FP regs from mcontext */
-#define	MC_FP_CW_OFFSET		96	/* offset to FP control word */
-#define	MC_OWNEDFP_OFFSET	88	/* offset to mc_ownedfp from mcontext */
-
-/*
- * int setcontext(ucontext_t *ucp);
- *
- *   calls sigprocmask(int how, sigset_t *set, sigset_t *oset);
- *
- * Returns 0 if there are no errors; -1 otherwise
- */
-	.weak CNAME(setcontext)
-	.set CNAME(setcontext),CNAME(__setcontext)
-ENTRY(__setcontext)
-	movl	4(%esp), %eax		/* get address of context and sigset */
-	cmpl	$0, %eax		/* check for null pointer */
-	jne	1f
-	movl	$-1, %eax
-	jmp	5f
-1:	cmpl	$MC_SIZE, UC_MC_LEN_OFFSET(%eax) /* is context valid? */
-	je	2f
-	movl	$-1, %eax		/* bzzzt, invalid context */
-	jmp	5f
-2:	PIC_PROLOGUE
-	pushl	$0			/* oset = NULL */
-	pushl	%eax			/* set = &ucp->uc_sigmask */
-	pushl	$3			/* how = SIG_SETMASK */
-	call	PIC_PLT(CNAME(sigprocmask))
-	addl	$12, %esp
-	PIC_EPILOGUE
-	testl	%eax, %eax		/* check for error */
-	jnz	5f
-	movl	4(%esp), %edx		/* get address of context */
-	addl	$UC_MC_OFFSET, %edx	/* add offset to mcontext */
-	movl	4(%edx), %gs
-	movl	8(%edx), %fs
-	movl	12(%edx), %es
-	movl	16(%edx), %ds
-	movl	20(%edx), %edi
-	movl	24(%edx), %esi
-	movl	28(%edx), %ebp
-	movl	72(%edx), %esp		/* switch to context defined stack */
-	subl	$4, %esp		/* leave space for the return address */
-	movl	60(%edx), %eax		/* put return address at top of stack */
-	movl	%eax, (%esp)
-	cmpl	$0, MC_OWNEDFP_OFFSET(%edx) /* are FP regs valid? */
-	jz	3f
-	frstor	MC_FP_REGS_OFFSET(%edx) /* restore FP regs */
-	jmp	4f
-3:	fninit
-	fldcw	MC_FP_CW_OFFSET(%edx)
-4:	movl	48(%edx), %eax		/* restore ax, bx, cx */
-	movl	36(%edx), %ebx
-	movl	44(%edx), %ecx
-	pushl	68(%edx)		/* flags on stack */
-	pushl	40(%edx)		/* %edx on stack  */
-	popl	%edx			/* %edx off stack */
-	popf				/* flags off stack */
-5:	ret
-
-/*
- * int getcontext(ucontext_t *ucp);
- *
- *   calls sigprocmask(int how, sigset_t *set, sigset_t *oset);
- *
- * Returns 0 if there are no errors; -1 otherwise
- */
-	.weak CNAME(getcontext)
-	.set CNAME(getcontext),CNAME(__getcontext)
-ENTRY(__getcontext)
-	movl	4(%esp), %eax		/* get address of context */
-	cmpl	$0, %eax		/* check for null pointer */
-	jne	1f
-	movl	$-1, %eax
-	jmp	2f
-1:	movl	4(%esp), %eax		/* get address of context and sigset */
-	PIC_PROLOGUE
-	pushl	%eax			/* oset = &ucp->uc_sigmask */
-	pushl	$0			/* set = NULL */
-	pushl	$3			/* how = SIG_SETMASK */
-	call	PIC_PLT(CNAME(_sigprocmask))
-	addl	$12, %esp
-	PIC_EPILOGUE
-	testl	%eax, %eax		/* check for error */
-	jnz	2f
-	pushl	%edx			/* save value of edx */
-	movl	8(%esp), %edx		/* get address of context */
-	addl	$UC_MC_OFFSET, %edx	/* add offset to mcontext */
-	movl	%gs, 4(%edx)
-	movl	%fs, 8(%edx)
-	movl	%es, 12(%edx)
-	movl	%ds, 16(%edx)
-	movl	%edi, 20(%edx)
-	movl	%esi, 24(%edx)
-	movl	%ebp, 28(%edx)
-	movl	%ebx, 36(%edx)
-	movl	$0, 48(%edx)		/* store successful return in eax */
-	popl	%eax			/* get saved value of edx */
-	movl	%eax, 40(%edx)		/* save edx */
-	movl	%ecx, 44(%edx)
-	movl	(%esp), %eax		/* get return address */
-	movl	%eax, 60(%edx)		/* save return address */
-	movl	%ss, 76(%edx)
-	/*
-	 * Don't save floating point registers here.
-	 *
-	 * This is an explicit call to get the current context, so
-	 * the caller is done with the floating point registers.
-	 * Contexts formed by involuntary switches, such as signal delivery,
-	 * have floating point registers saved by the kernel.
-	 */
-	fnstcw	MC_FP_CW_OFFSET(%edx)
-	movl	$0, MC_OWNEDFP_OFFSET(%edx) /* no FP */
-	lahf				/* get eflags */
-	movl	%eax, 68(%edx)		/* store eflags */
-	movl	%esp, %eax		/* setcontext pushes the return  */
-	addl	$4, %eax		/*   address onto the top of the */
-	movl	%eax, 72(%edx)		/*   stack; account for this     */
-	movl	$MC_SIZE, MC_LEN_OFFSET(%edx) /* context is now valid */
-	movl	40(%edx), %edx		/* restore edx -- is this needed? */
-	xorl	%eax, %eax		/* return 0 */
-2:	ret