A quick and dirty port of libstand to ia64.

This commit is contained in:
dfr 2001-03-06 16:11:36 +00:00
parent 0e04b31ae2
commit 6980695ad6
3 changed files with 161 additions and 0 deletions

View File

@ -92,6 +92,21 @@ __reml.S: ${.CURDIR}/../libc/alpha/gen/divrem.m4
m4 -DNAME=__reml -DOP=rem -DS=true -DWORDSIZE=32 \
${.ALLSRC} > ${.TARGET}
.endif
.if ${MACHINE_ARCH} == "ia64"
.PATH: ${.CURDIR}/../libc/ia64/string
SRCS+= bcmp.c bcopy.S bzero.S ffs.S index.c memccpy.c memchr.c memcmp.c \
memcpy.S memmove.S memset.c rindex.c strcat.c strchr.c \
strcmp.c strcpy.c strcspn.c strlen.c \
strncat.c strncmp.c strncpy.c strpbrk.c strrchr.c strsep.c \
strspn.c strstr.c strtok.c swab.c
.PATH: ${.CURDIR}/../libc/ia64/net
SRCS+= htons.S ntohs.S htonl.S ntohl.S
.PATH: ${.CURDIR}/../libc/ia64/gen
SRCS+= __divdi3.S __divsi3.S __moddi3.S __modsi3.S
SRCS+= __udivdi3.S __udivsi3.S __umoddi3.S __umodsi3.S
.endif
# _setjmp/_longjmp
.PATH: ${.CURDIR}/${MACHINE_ARCH}

142
lib/libstand/ia64/_setjmp.S Normal file
View File

@ -0,0 +1,142 @@
/* $NetBSD: setjmp.S,v 1.3 1997/12/05 02:06:27 thorpej Exp $ */
/* $FreeBSD$ */
/*
* Copyright (c) 1994, 1995 Carnegie-Mellon University.
* All rights reserved.
*
* Author: Chris G. Demetriou
*
* Permission to use, copy, modify and distribute this software and
* its documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
*
* $FreeBSD$
*/
#include "SYS.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 stack,
* and the previous signal state.
*/
ENTRY(_setjmp, 1)
mov ret0=r0
br.ret.sptk.few rp
#if 0
LDGP(pv)
stq ra, (2 * 8)(a0) /* sc_pc = return address */
stq s0, (( 9 + 4) * 8)(a0) /* saved bits of sc_regs */
stq s1, ((10 + 4) * 8)(a0)
stq s2, ((11 + 4) * 8)(a0)
stq s3, ((12 + 4) * 8)(a0)
stq s4, ((13 + 4) * 8)(a0)
stq s5, ((14 + 4) * 8)(a0)
stq s6, ((15 + 4) * 8)(a0)
stq ra, ((26 + 4) * 8)(a0)
stq sp, ((30 + 4) * 8)(a0)
/*
* get signal information
*/
mov a0, s0 /* squirrel away ptr to sc */
/* see what's blocked */
lda a2, (71 * 8)(a0) /* oset: sc_reserved */
mov zero, a1 /* set: NULL */
addq a1, 1, a0 /* how: SIG_BLOCK */
PCALL(sigprocmask) /* see what's blocked */
lda sp, -24(sp) /* sizeof struct sigaltstack */
mov zero, a0
mov sp, a1
PCALL(sigaltstack)
ldl t0, 16(sp) /* offset of ss_flags */
lda sp, 24(sp) /* sizeof struct sigaltstack */
ldq ra, ((26 + 4) * 8)(s0) /* restore return address */
blt v0, botch /* check for error */
and t0, 0x1, t0 /* get SA_ONSTACK flag */
stq t0, (0 * 8)(s0) /* and save it in sc_onstack */
/*
* Restore old s0 and a0, and continue saving registers
*/
mov s0, a0
ldq s0, (( 9 + 4) * 8)(a0)
ldiq t0, 0xacedbade /* sigcontext magic number */
stq t0, ((31 + 4) * 8)(a0) /* magic in sc_regs[31] */
/* Too bad we can't check if we actually used FP */
ldiq t0, 1
stq t0, (36 * 8)(a0) /* say we've used FP. */
stt fs0, ((2 + 37) * 8)(a0) /* saved bits of sc_fpregs */
stt fs1, ((3 + 37) * 8)(a0)
stt fs2, ((4 + 37) * 8)(a0)
stt fs3, ((5 + 37) * 8)(a0)
stt fs4, ((6 + 37) * 8)(a0)
stt fs5, ((7 + 37) * 8)(a0)
stt fs6, ((8 + 37) * 8)(a0)
stt fs7, ((9 + 37) * 8)(a0)
mf_fpcr ft0 /* get FP control reg */
stt ft0, (69 * 8)(a0) /* and store it in sc_fpcr */
stq zero, (70 * 8)(a0) /* FP software control XXX */
stq zero, (71 * 8)(a0) /* sc_reserved[0] */
stq zero, (72 * 8)(a0) /* sc_reserved[1] */
stq zero, (73 * 8)(a0) /* sc_xxx[0] */
stq zero, (74 * 8)(a0) /* sc_xxx[1] */
stq zero, (75 * 8)(a0) /* sc_xxx[2] */
stq zero, (76 * 8)(a0) /* sc_xxx[3] */
stq zero, (77 * 8)(a0) /* sc_xxx[4] */
stq zero, (78 * 8)(a0) /* sc_xxx[5] */
stq zero, (79 * 8)(a0) /* sc_xxx[6] */
stq zero, (80 * 8)(a0) /* sc_xxx[7] */
mov zero, v0 /* return zero */
RET
#endif
END(_setjmp)
#ifdef _THREAD_SAFE
ENTRY(__longjmp, 2)
#else
XENTRY(__longjmp)
ENTRY(_longjmp, 2)
#endif
#if 0
LDGP(pv)
stq a1, (( 0 + 4) * 8)(a0) /* save return value */
PCALL(sigreturn) /* use sigreturn to return */
botch:
CALL(longjmperror)
CALL(abort)
RET /* "can't" get here... */
#endif
#ifdef _THREAD_SAFE
END(__longjmp)
#else
END(_longjmp)
#endif

View File

@ -55,6 +55,10 @@ typedef long saddr_t; /* signed int same size as pointer */
typedef unsigned int iaddr_t; /* unsigned int same size as pointer */
typedef int saddr_t; /* signed int same size as pointer */
#endif
#ifdef __ia64__
typedef unsigned long iaddr_t; /* unsigned int same size as pointer */
typedef long saddr_t; /* signed int same size as pointer */
#endif
#include "zalloc_mem.h"