mirror of
git://source.winehq.org/git/wine.git
synced 2024-09-06 05:40:59 +00:00
185 lines
4.9 KiB
C
185 lines
4.9 KiB
C
/*
|
|
* Sparc register context support
|
|
*
|
|
* Copyright (C) 2000 Ulrich Weigand
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#ifdef __sparc__
|
|
|
|
#include <assert.h>
|
|
#include <errno.h>
|
|
#include <sys/types.h>
|
|
#ifdef HAVE_SYS_REG_H
|
|
# include <sys/reg.h>
|
|
#endif
|
|
#include <stdarg.h>
|
|
#include <unistd.h>
|
|
#ifdef HAVE_SYS_PTRACE_H
|
|
# include <sys/ptrace.h>
|
|
#endif
|
|
|
|
#include "windef.h"
|
|
|
|
#include "file.h"
|
|
#include "thread.h"
|
|
#include "request.h"
|
|
|
|
#if 0 /* no longer used */
|
|
|
|
#if defined(__sun) || defined(__sun__)
|
|
|
|
/* retrieve a thread context */
|
|
static void get_thread_context_ptrace( struct thread *thread, unsigned int flags, CONTEXT *context )
|
|
{
|
|
int pid = get_ptrace_pid(thread);
|
|
if (flags & CONTEXT_FULL)
|
|
{
|
|
struct regs regs;
|
|
if (ptrace( PTRACE_GETREGS, pid, 0, (int) ®s ) == -1) goto error;
|
|
if (flags & CONTEXT_INTEGER)
|
|
{
|
|
context->g0 = 0;
|
|
context->g1 = regs.r_g1;
|
|
context->g2 = regs.r_g2;
|
|
context->g3 = regs.r_g3;
|
|
context->g4 = regs.r_g4;
|
|
context->g5 = regs.r_g5;
|
|
context->g6 = regs.r_g6;
|
|
context->g7 = regs.r_g7;
|
|
|
|
context->o0 = regs.r_o0;
|
|
context->o1 = regs.r_o1;
|
|
context->o2 = regs.r_o2;
|
|
context->o3 = regs.r_o3;
|
|
context->o4 = regs.r_o4;
|
|
context->o5 = regs.r_o5;
|
|
context->o6 = regs.r_o6;
|
|
context->o7 = regs.r_o7;
|
|
|
|
/* FIXME: local and in registers */
|
|
}
|
|
if (flags & CONTEXT_CONTROL)
|
|
{
|
|
context->psr = regs.r_psr;
|
|
context->pc = regs.r_pc;
|
|
context->npc = regs.r_npc;
|
|
context->y = regs.r_y;
|
|
context->wim = 0; /* FIXME */
|
|
context->tbr = 0; /* FIXME */
|
|
}
|
|
context |= flags & (CONTEXT_CONTROL|CONTEXT_INTEGER);
|
|
}
|
|
if (flags & CONTEXT_FLOATING_POINT)
|
|
{
|
|
/* FIXME */
|
|
}
|
|
return;
|
|
error:
|
|
file_set_error();
|
|
}
|
|
|
|
|
|
/* set a thread context */
|
|
static void set_thread_context_ptrace( struct thread *thread, unsigned int flags, const CONTEXT *context )
|
|
{
|
|
/* FIXME */
|
|
}
|
|
|
|
#else /* __sun__ */
|
|
#error You must implement get/set_thread_context_ptrace for your platform
|
|
#endif /* __sun__ */
|
|
|
|
#endif /* 0 */
|
|
|
|
/* copy a context structure according to the flags */
|
|
void copy_context( CONTEXT *to, const CONTEXT *from, unsigned int flags )
|
|
{
|
|
flags &= ~CONTEXT_SPARC; /* get rid of CPU id */
|
|
if (flags & CONTEXT_CONTROL)
|
|
{
|
|
to->psr = from->psr;
|
|
to->pc = from->pc;
|
|
to->npc = from->npc;
|
|
to->y = from->y;
|
|
to->wim = from->wim;
|
|
to->tbr = from->tbr;
|
|
}
|
|
if (flags & CONTEXT_INTEGER)
|
|
{
|
|
to->g0 = from->g0;
|
|
to->g1 = from->g1;
|
|
to->g2 = from->g2;
|
|
to->g3 = from->g3;
|
|
to->g4 = from->g4;
|
|
to->g5 = from->g5;
|
|
to->g6 = from->g6;
|
|
to->g7 = from->g7;
|
|
to->o0 = from->o0;
|
|
to->o1 = from->o1;
|
|
to->o2 = from->o2;
|
|
to->o3 = from->o3;
|
|
to->o4 = from->o4;
|
|
to->o5 = from->o5;
|
|
to->o6 = from->o6;
|
|
to->o7 = from->o7;
|
|
to->l0 = from->l0;
|
|
to->l1 = from->l1;
|
|
to->l2 = from->l2;
|
|
to->l3 = from->l3;
|
|
to->l4 = from->l4;
|
|
to->l5 = from->l5;
|
|
to->l6 = from->l6;
|
|
to->l7 = from->l7;
|
|
to->i0 = from->i0;
|
|
to->i1 = from->i1;
|
|
to->i2 = from->i2;
|
|
to->i3 = from->i3;
|
|
to->i4 = from->i4;
|
|
to->i5 = from->i5;
|
|
to->i6 = from->i6;
|
|
to->i7 = from->i7;
|
|
}
|
|
if (flags & CONTEXT_FLOATING_POINT)
|
|
{
|
|
/* FIXME */
|
|
}
|
|
context |= flags & (CONTEXT_CONTROL|CONTEXT_INTEGER);
|
|
}
|
|
|
|
/* retrieve the current instruction pointer of a context */
|
|
void *get_context_ip( const CONTEXT *context )
|
|
{
|
|
return (void *)context->pc;
|
|
}
|
|
|
|
/* return the context flag that contains the CPU id */
|
|
unsigned int get_context_cpu_flag(void)
|
|
{
|
|
return CONTEXT_SPARC;
|
|
}
|
|
|
|
/* return only the context flags that correspond to system regs */
|
|
/* (system regs are the ones we can't access on the client side) */
|
|
unsigned int get_context_system_regs( unsigned int flags )
|
|
{
|
|
return 0; /* FIXME: implement client-side handling */
|
|
}
|
|
|
|
#endif /* __sparc__ */
|