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Add the needed libpthread_md.c for MIPS.

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Obtained from:	Juniper Networks
This commit is contained in:
obrien 2008-08-28 15:41:12 +00:00
parent dbf35e279f
commit 30759f2655
1 changed files with 90 additions and 0 deletions
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90
lib/libthread_db/arch/mips/libpthread_md.c Normal file
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/*
* Copyright (c) 2006-2007, Juniper Networks, Inc.
* 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. Neither the name of Juniper Networks 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 JUNIPER NETWORKS ``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 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 <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/types.h>
#include <sys/procfs.h>
#include <ucontext.h>
#include <string.h>
#include <thread_db.h>
#include "libpthread_db.h"
void
pt_reg_to_ucontext(const struct reg *r, ucontext_t *uc)
{
memcpy(uc->uc_mcontext.mc_regs, &r->r_regs[ZERO],
sizeof(uc->uc_mcontext.mc_regs));
uc->uc_mcontext.mc_pc = r->r_regs[PC];
uc->uc_mcontext.mullo = r->r_regs[MULLO];
uc->uc_mcontext.mulhi = r->r_regs[MULHI];
}
void
pt_ucontext_to_reg(const ucontext_t *uc, struct reg *r)
{
memcpy(&r->r_regs[ZERO], uc->uc_mcontext.mc_regs,
sizeof(uc->uc_mcontext.mc_regs));
r->r_regs[PC] = uc->uc_mcontext.mc_pc;
r->r_regs[MULLO] = uc->uc_mcontext.mullo;
r->r_regs[MULHI] = uc->uc_mcontext.mulhi;
}
void
pt_fpreg_to_ucontext(const struct fpreg* r, ucontext_t *uc)
{
memcpy(uc->uc_mcontext.mc_fpregs, r->r_regs,
sizeof(uc->uc_mcontext.mc_fpregs));
}
void
pt_ucontext_to_fpreg(const ucontext_t *uc, struct fpreg *r)
{
memcpy(r->r_regs, uc->uc_mcontext.mc_fpregs,
sizeof(uc->uc_mcontext.mc_fpregs));
}
void
pt_md_init(void)
{
/* Nothing to do */
}
int
pt_reg_sstep(struct reg *reg __unused, int step __unused)
{
/*
* XXX: mips doesnt store single step info in any registers
*/
return (0);
}