Add some ANSI C procedures to base-common
This is for the convenience of language runtimes.master
parent
11ff9a1dc5
commit
c6f3dfc3ec
|
|
@ -1,7 +1,9 @@
|
|||
include_rules
|
||||
|
||||
BASE_COMMON_DIR = $(BASE_DIR)/src/lib/base-common
|
||||
include $(BASE_COMMON_DIR)/Tupfile.inc
|
||||
|
||||
SRC_CC += $(BASE_COMMON_DIR)/ansi_c.cc
|
||||
SRC_CC += $(BASE_COMMON_DIR)/allocator_avl.cc
|
||||
SRC_CC += $(BASE_COMMON_DIR)/avl_tree.cc
|
||||
SRC_CC += $(BASE_COMMON_DIR)/child.cc
|
||||
|
|
@ -39,5 +41,6 @@ SRC_CC += signal_transmitter.cc
|
|||
SRC_CC += thread_bootstrap.cc
|
||||
|
||||
: foreach $(SRC_CC) |> !cxx |> {obj}
|
||||
: foreach $(SRC_S) |> !asm |> {obj}
|
||||
|
||||
: {obj} |> !ar |> base-hw-common.lib.a | $(REP_DIR)/<base-hw-common>
|
||||
|
|
|
|||
|
|
@ -1,6 +1,8 @@
|
|||
include_rules
|
||||
GENERIC_DIR = $(BASE_DIR)/src/lib/base-common
|
||||
include $(GENERIC_DIR)/Tupfile.inc
|
||||
GENERIC_SRC_CC += \
|
||||
$(GENERIC_DIR)/ansi_c.cc \
|
||||
$(GENERIC_DIR)/allocator_avl.cc \
|
||||
$(GENERIC_DIR)/avl_tree.cc \
|
||||
$(GENERIC_DIR)/capability.cc \
|
||||
|
|
@ -32,4 +34,5 @@ GENERIC_SRC_CC += \
|
|||
|
||||
: foreach $(GENERIC_SRC_CC) |> !cxx |> {obj}
|
||||
: foreach *.cc |> !cxx |> {obj}
|
||||
: foreach $(SRC_S) |> !asm |> {obj}
|
||||
: {obj} |> !ar |> base-linux-common.lib.a | $(REP_DIR)/<base-common>
|
||||
|
|
|
|||
|
|
@ -1,8 +1,10 @@
|
|||
include_rules
|
||||
|
||||
GENERIC_DIR = $(BASE_DIR)/src/lib/base-common
|
||||
include $(GENERIC_DIR)/Tupfile.inc
|
||||
|
||||
GENERIC_SRC_CC += \
|
||||
$(GENERIC_DIR)/ansi_c.cc \
|
||||
$(GENERIC_DIR)/allocator_avl.cc \
|
||||
$(GENERIC_DIR)/avl_tree.cc \
|
||||
$(GENERIC_DIR)/child.cc \
|
||||
|
|
@ -34,5 +36,6 @@ GENERIC_SRC_CC += \
|
|||
$(GENERIC_DIR)/vm_session.cc \
|
||||
|
||||
: foreach $(GENERIC_SRC_CC) |> !cxx |> %B.o {obj}
|
||||
: foreach $(SRC_S) |> !asm |> {obj}
|
||||
: foreach *.cc |> !cxx |> {obj}
|
||||
: {obj} |> !ar |> base-nova-common.lib.a | $(REP_DIR)/<base-common>
|
||||
|
|
|
|||
|
|
@ -649,9 +649,14 @@ dl_unwind_find_exidx T
|
|||
genode_argc D 4
|
||||
genode_argv D 8
|
||||
genode_envp B 8
|
||||
longjmp W
|
||||
lx_environ B 8
|
||||
memcmp W
|
||||
memcpy W
|
||||
memmove W
|
||||
memset W
|
||||
setjmp W
|
||||
stdout_reconnect T
|
||||
strcmp W
|
||||
strlen W
|
||||
wait_for_continue T
|
||||
|
|
|
|||
|
|
@ -0,0 +1,15 @@
|
|||
ifeq (@(TUP_ARCH),arm)
|
||||
SRC_S += $(BASE_DIR)/src/lib/base-common/arm/*.S
|
||||
endif
|
||||
|
||||
ifeq (@(TUP_ARCH),arm64)
|
||||
SRC_S += $(BASE_DIR)/src/lib/base-common/arm_64/*.S
|
||||
endif
|
||||
|
||||
ifeq (@(TUP_ARCH),i386)
|
||||
SRC_S += $(BASE_DIR)/src/lib/base-common/x86_32/*.S
|
||||
endif
|
||||
|
||||
ifeq (@(TUP_ARCH),x86_64)
|
||||
SRC_S += $(BASE_DIR)/src/lib/base-common/x86_64/*.S
|
||||
endif
|
||||
|
|
@ -0,0 +1,28 @@
|
|||
/*
|
||||
* \brief Implementation of basic C utilities
|
||||
* \author Emery Hemingway
|
||||
* \date 2020-01-14
|
||||
*/
|
||||
|
||||
/*
|
||||
* Copyright (C) 2020 Genode Labs GmbH
|
||||
*
|
||||
* This file is part of the Genode OS framework, which is distributed
|
||||
* under the terms of the GNU Affero General Public License version 3.
|
||||
*/
|
||||
|
||||
#include <util/string.h>
|
||||
|
||||
using namespace Genode;
|
||||
|
||||
extern "C" __attribute__((weak))
|
||||
int memcmp(const void *p0, const void *p1, size_t size)
|
||||
{
|
||||
return Genode::memcmp(p0, p1, size);
|
||||
}
|
||||
|
||||
extern "C" __attribute__((weak))
|
||||
size_t strlen(const char *s)
|
||||
{
|
||||
return Genode::strlen(s);
|
||||
}
|
||||
|
|
@ -0,0 +1,120 @@
|
|||
/* $NetBSD: setjmp.S,v 1.5 2003/04/05 23:08:51 bjh21 Exp $ */
|
||||
|
||||
/*
|
||||
* Copyright (c) 1997 Mark Brinicombe
|
||||
* 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. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. All advertising materials mentioning features or use of this software
|
||||
* must display the following acknowledgement:
|
||||
* This product includes software developed by Mark Brinicombe
|
||||
* 4. Neither the name of the University 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 THE AUTHOR 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.
|
||||
*/
|
||||
|
||||
/* needed parts from <machine/asm.h> */
|
||||
#define __FBSDID(x)
|
||||
#define ENTRY(x) .text; .align 0; .globl x; .type x,#function; x:;
|
||||
#define WEAK_ALIAS(x,y)
|
||||
#define RET mov pc, lr
|
||||
#define _JB_MAGIC__SETJMP 0x4278f500
|
||||
|
||||
#define __SOFTFP__ 1
|
||||
#define _STANDALONE
|
||||
/* end of <machine/asm.h> */
|
||||
|
||||
__FBSDID("$FreeBSD: release/8.2.0/lib/libc/arm/gen/setjmp.S 193145 2009-05-31 02:03:40Z marcel $");
|
||||
|
||||
/*
|
||||
* C library -- setjmp, longjmp
|
||||
*
|
||||
* longjmp(a,v)
|
||||
* will generate a "return(v)" from the last call to
|
||||
* setjmp(a)
|
||||
* by restoring registers from the stack.
|
||||
* The previous signal state is NOT restored.
|
||||
*
|
||||
* Note: r0 is the return value
|
||||
* r1-r3 are scratch registers in functions
|
||||
*/
|
||||
|
||||
ENTRY(setjmp)
|
||||
ldr r1, .Lsetjmp_magic
|
||||
str r1, [r0], #4
|
||||
#ifdef __SOFTFP__
|
||||
add r0, r0, #52
|
||||
#else
|
||||
/* Store fp registers */
|
||||
sfm f4, 4, [r0], #48
|
||||
/* Store fpsr */
|
||||
rfs r1
|
||||
str r1, [r0], #0x0004
|
||||
#endif /* __SOFTFP__ */
|
||||
/* Store integer registers */
|
||||
stmia r0, {r4-r14}
|
||||
|
||||
mov r0, #0x00000000
|
||||
RET
|
||||
|
||||
.Lsetjmp_magic:
|
||||
.word _JB_MAGIC__SETJMP
|
||||
|
||||
WEAK_ALIAS(__longjmp, longjmp)
|
||||
ENTRY(longjmp)
|
||||
ldr r2, .Lsetjmp_magic
|
||||
ldr r3, [r0], #4
|
||||
teq r2, r3
|
||||
bne botch
|
||||
|
||||
#ifdef __SOFTFP__
|
||||
add r0, r0, #52
|
||||
#else
|
||||
/* Restore fp registers */
|
||||
lfm f4, 4, [r0], #48
|
||||
/* Restore fpsr */
|
||||
ldr r4, [r0], #0x0004
|
||||
wfs r4
|
||||
#endif /* __SOFTFP__ */
|
||||
/* Restore integer registers */
|
||||
ldmia r0, {r4-r14}
|
||||
|
||||
/* Validate sp and r14 */
|
||||
teq sp, #0
|
||||
teqne r14, #0
|
||||
beq botch
|
||||
|
||||
/* Set return value */
|
||||
mov r0, r1
|
||||
teq r0, #0x00000000
|
||||
moveq r0, #0x00000001
|
||||
RET
|
||||
|
||||
/* validation failed, die die die. */
|
||||
botch:
|
||||
#if !defined(_STANDALONE)
|
||||
bl PIC_SYM(_C_LABEL(longjmperror), PLT)
|
||||
bl PIC_SYM(_C_LABEL(abort), PLT)
|
||||
b . - 8 /* Cannot get here */
|
||||
#else
|
||||
b .
|
||||
#endif
|
||||
|
|
@ -0,0 +1,108 @@
|
|||
/*-
|
||||
* Copyright (c) 2014 Andrew Turner
|
||||
* Copyright (c) 2014 The FreeBSD Foundation
|
||||
* All rights reserved.
|
||||
*
|
||||
* Portions of this software were developed by Andrew Turner
|
||||
* under sponsorship from the FreeBSD Foundation
|
||||
*
|
||||
* 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. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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.
|
||||
*
|
||||
*/
|
||||
|
||||
/* needed parts from <machine/asm.h> */
|
||||
#define __FBSDID(x)
|
||||
#define ENTRY(sym) .text; .globl sym; .align 2; .type sym,#function; sym:
|
||||
#define END(sym) .size sym, . - sym
|
||||
/* end of <machine/asm.h> */
|
||||
|
||||
__FBSDID("$FreeBSD: releng/12.0/lib/libc/aarch64/gen/setjmp.S 313146 2017-02-03 11:51:06Z andrew $");
|
||||
|
||||
/* needed parts from <machine/setjmp.h> */
|
||||
#define _JB_SIGMASK 22
|
||||
#define _JB_MAGIC__SETJMP 0xfb5d25837d7ff700
|
||||
/* end of <machine/asm.h> */
|
||||
|
||||
ENTRY(setjmp)
|
||||
/* Store the magic value and stack pointer */
|
||||
ldr x8, .Lmagic
|
||||
mov x9, sp
|
||||
stp x8, x9, [x0], #16
|
||||
|
||||
/* Store the general purpose registers and lr */
|
||||
stp x19, x20, [x0], #16
|
||||
stp x21, x22, [x0], #16
|
||||
stp x23, x24, [x0], #16
|
||||
stp x25, x26, [x0], #16
|
||||
stp x27, x28, [x0], #16
|
||||
stp x29, lr, [x0], #16
|
||||
|
||||
#ifndef _STANDALONE
|
||||
/* Store the vfp registers */
|
||||
stp d8, d9, [x0], #16
|
||||
stp d10, d11, [x0], #16
|
||||
stp d12, d13, [x0], #16
|
||||
stp d14, d15, [x0]
|
||||
#endif
|
||||
|
||||
/* Return value */
|
||||
mov x0, #0
|
||||
ret
|
||||
.align 3
|
||||
.Lmagic:
|
||||
.quad _JB_MAGIC__SETJMP
|
||||
END(setjmp)
|
||||
|
||||
ENTRY(longjmp)
|
||||
/* Check the magic value */
|
||||
ldr x8, [x0], #8
|
||||
ldr x9, .Lmagic
|
||||
cmp x8, x9
|
||||
b.ne botch
|
||||
|
||||
/* Restore the stack pointer */
|
||||
ldr x8, [x0], #8
|
||||
mov sp, x8
|
||||
|
||||
/* Restore the general purpose registers and lr */
|
||||
ldp x19, x20, [x0], #16
|
||||
ldp x21, x22, [x0], #16
|
||||
ldp x23, x24, [x0], #16
|
||||
ldp x25, x26, [x0], #16
|
||||
ldp x27, x28, [x0], #16
|
||||
ldp x29, lr, [x0], #16
|
||||
|
||||
#ifndef _STANDALONE
|
||||
/* Restore the vfp registers */
|
||||
ldp d8, d9, [x0], #16
|
||||
ldp d10, d11, [x0], #16
|
||||
ldp d12, d13, [x0], #16
|
||||
ldp d14, d15, [x0]
|
||||
#endif
|
||||
|
||||
/* Load the return value */
|
||||
mov x0, x1
|
||||
ret
|
||||
|
||||
botch:
|
||||
b botch
|
||||
END(longjmp)
|
||||
|
|
@ -0,0 +1,79 @@
|
|||
/*-
|
||||
* Copyright (c) 1990 The Regents of the University of California.
|
||||
* All rights reserved.
|
||||
*
|
||||
* This code is derived from software contributed to Berkeley by
|
||||
* William Jolitz.
|
||||
*
|
||||
* 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. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 4. Neither the name of the University 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 THE REGENTS 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 REGENTS 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.
|
||||
*/
|
||||
|
||||
#if defined(LIBC_SCCS) && !defined(lint)
|
||||
.asciz "@(#)setjmp.s 5.1 (Berkeley) 4/23/90"
|
||||
#endif /* LIBC_SCCS and not lint */
|
||||
//#include <machine/asm.h>
|
||||
|
||||
/*
|
||||
* C library -- setjmp, longjmp
|
||||
*
|
||||
* longjmp(a,v)
|
||||
* will generate a "return(v)" from the last call to
|
||||
* setjmp(a)
|
||||
* by restoring registers from the environment 'a'.
|
||||
* The previous signal state is NOT restored.
|
||||
*/
|
||||
|
||||
.text; .p2align 2,0x90
|
||||
.globl setjmp; .type setjmp,@function; setjmp:
|
||||
movl 4(%esp),%eax
|
||||
movl 0(%esp),%edx
|
||||
movl %edx, 0(%eax) /* rta */
|
||||
movl %ebx, 4(%eax)
|
||||
movl %esp, 8(%eax)
|
||||
movl %ebp,12(%eax)
|
||||
movl %esi,16(%eax)
|
||||
movl %edi,20(%eax)
|
||||
fnstcw 24(%eax)
|
||||
xorl %eax,%eax
|
||||
ret
|
||||
.size setjmp, . - setjmp
|
||||
|
||||
.text; .p2align 2,0x90
|
||||
.globl longjmp; .type longjmp,@function; longjmp:
|
||||
movl 4(%esp),%edx
|
||||
movl 8(%esp),%eax
|
||||
movl 0(%edx),%ecx
|
||||
movl 4(%edx),%ebx
|
||||
movl 8(%edx),%esp
|
||||
movl 12(%edx),%ebp
|
||||
movl 16(%edx),%esi
|
||||
movl 20(%edx),%edi
|
||||
fldcw 24(%edx)
|
||||
testl %eax,%eax
|
||||
jnz 1f
|
||||
incl %eax
|
||||
1: movl %ecx,0(%esp)
|
||||
ret
|
||||
.size longjmp, . - longjmp
|
||||
|
|
@ -0,0 +1,93 @@
|
|||
/*-
|
||||
* Copyright (c) 1990 The Regents of the University of California.
|
||||
* All rights reserved.
|
||||
*
|
||||
* This code is derived from software contributed to Berkeley by
|
||||
* William Jolitz.
|
||||
*
|
||||
* 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. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 4. Neither the name of the University 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 THE REGENTS 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 REGENTS 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.
|
||||
*/
|
||||
|
||||
#if defined(LIBC_SCCS) && !defined(lint)
|
||||
.asciz "@(#)setjmp.s 5.1 (Berkeley) 4/23/90"
|
||||
#endif /* LIBC_SCCS and not lint */
|
||||
//#include <machine/asm.h>
|
||||
|
||||
/*
|
||||
* C library -- setjmp, longjmp
|
||||
*
|
||||
* longjmp(a,v)
|
||||
* will generate a "return(v)" from the last call to
|
||||
* setjmp(a)
|
||||
* by restoring registers from the environment 'a'.
|
||||
* The previous signal state is NOT restored.
|
||||
*/
|
||||
|
||||
.text; .p2align 4,0x90
|
||||
.globl setjmp; .type setjmp,@function; setjmp:
|
||||
movq %rdi,%rax
|
||||
movq 0(%rsp),%rdx /* retval */
|
||||
movq %rdx, 0(%rax) /* 0; retval */
|
||||
movq %rbx, 8(%rax) /* 1; rbx */
|
||||
movq %rsp,16(%rax) /* 2; rsp */
|
||||
movq %rbp,24(%rax) /* 3; rbp */
|
||||
movq %r12,32(%rax) /* 4; r12 */
|
||||
movq %r13,40(%rax) /* 5; r13 */
|
||||
movq %r14,48(%rax) /* 6; r14 */
|
||||
movq %r15,56(%rax) /* 7; r15 */
|
||||
fnstcw 64(%rax) /* 8; fpu cw */
|
||||
stmxcsr 68(%rax) /* and mxcsr */
|
||||
xorq %rax,%rax
|
||||
ret
|
||||
.size setjmp, . - setjmp
|
||||
|
||||
.text; .p2align 4,0x90
|
||||
.globl longjmp; .type longjmp,@function; longjmp:
|
||||
movq %rdi,%rdx
|
||||
/* Restore the mxcsr, but leave exception flags intact. */
|
||||
stmxcsr -4(%rsp)
|
||||
movl 68(%rdx),%eax
|
||||
andl $0xffffffc0,%eax
|
||||
movl -4(%rsp),%edi
|
||||
andl $0x3f,%edi
|
||||
xorl %eax,%edi
|
||||
movl %edi,-4(%rsp)
|
||||
ldmxcsr -4(%rsp)
|
||||
movq %rsi,%rax /* retval */
|
||||
movq 0(%rdx),%rcx
|
||||
movq 8(%rdx),%rbx
|
||||
movq 16(%rdx),%rsp
|
||||
movq 24(%rdx),%rbp
|
||||
movq 32(%rdx),%r12
|
||||
movq 40(%rdx),%r13
|
||||
movq 48(%rdx),%r14
|
||||
movq 56(%rdx),%r15
|
||||
fldcw 64(%rdx)
|
||||
testq %rax,%rax
|
||||
jnz 1f
|
||||
incq %rax
|
||||
1: movq %rcx,0(%rsp)
|
||||
ret
|
||||
.size longjmp, . - longjmp
|
||||
Loading…
Reference in New Issue