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Add arm support in libthread_db.

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Olivier Houchard 2007-11-17 21:27:53 +00:00
parent 8090694427
commit ebbcec3ad2
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=173703
1 changed files with 116 additions and 0 deletions
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116
lib/libthread_db/arch/arm/libpthread_md.c Normal file
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/*
* Copyright (c) 2007 Olivier Houchard
* 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.
*
* 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.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <string.h>
#include <sys/types.h>
#include <proc_service.h>
#include <thread_db.h>
#include "libpthread_db.h"
void
pt_reg_to_ucontext(const struct reg *r, ucontext_t *uc)
{
mcontext_t *mc = &uc->uc_mcontext;
__greg_t *gr = mc->__gregs;
gr[_REG_R0] = r->r[0];
gr[_REG_R1] = r->r[1];
gr[_REG_R2] = r->r[2];
gr[_REG_R3] = r->r[3];
gr[_REG_R4] = r->r[4];
gr[_REG_R5] = r->r[5];
gr[_REG_R6] = r->r[6];
gr[_REG_R7] = r->r[7];
gr[_REG_R8] = r->r[8];
gr[_REG_R9] = r->r[9];
gr[_REG_R10] = r->r[10];
gr[_REG_R11] = r->r[11];
gr[_REG_R12] = r->r[12];
gr[_REG_SP] = r->r_sp;
gr[_REG_LR] = r->r_lr;
gr[_REG_PC] = r->r_pc;
gr[_REG_CPSR] = r->r_cpsr;
}
void
pt_ucontext_to_reg(const ucontext_t *uc, struct reg *r)
{
const mcontext_t *mc = &uc->uc_mcontext;
const __greg_t *gr = mc->__gregs;
r->r[0] = gr[_REG_R0];
r->r[1] = gr[_REG_R1];
r->r[2] = gr[_REG_R2];
r->r[3] = gr[_REG_R3];
r->r[4] = gr[_REG_R4];
r->r[5] = gr[_REG_R5];
r->r[6] = gr[_REG_R6];
r->r[7] = gr[_REG_R7];
r->r[8] = gr[_REG_R8];
r->r[9] = gr[_REG_R9];
r->r[10] = gr[_REG_R10];
r->r[11] = gr[_REG_R11];
r->r[12] = gr[_REG_R12];
r->r_sp = gr[_REG_SP];
r->r_lr = gr[_REG_LR];
r->r_pc = gr[_REG_PC];
r->r_cpsr = gr[_REG_CPSR];
}
void
pt_fpreg_to_ucontext(const struct fpreg *r, ucontext_t *uc)
{
mcontext_t *mc = &uc->uc_mcontext;
/* XXX */
memset(&mc->__fpu.__fpregs, 0, sizeof(__fpregset_t));
}
void
pt_ucontext_to_fpreg(const ucontext_t *uc, struct fpreg *r)
{
const mcontext_t *mc = &uc->uc_mcontext;
/* XXX */
memset(r, 0, sizeof(*r));
}
void
pt_md_init(void)
{
}
int
pt_reg_sstep(struct reg *reg, int step)
{
/* XXX */
}