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Sweden-Number/server/context_alpha.c

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Create the necessary functions for wineserver contexts for Alpha.
2004-10-14 05:05:09 +02:00
/*
* Alpha register context support
*
* Copyright (C) 2004 Vincent B<EFBFBD>ron
*
* 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
Update the address of the Free Software Foundation.
2006-05-18 14:49:52 +02:00
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
Create the necessary functions for wineserver contexts for Alpha.
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*/
#include "config.h"
#ifdef __ALPHA__
#include <assert.h>
#include <errno.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 "file.h"
#include "thread.h"
#include "request.h"
server: Moved get/set_thread_context implementation to ptrace.c.
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#if 0 /* no longer used */
Create the necessary functions for wineserver contexts for Alpha.
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#ifdef HAVE_SYS_USER_H
# include <sys/user.h>
#endif
/* user definitions from asm/user.h */
struct kernel_user_struct
{
unsigned long regs[EF_SIZE/8+32];
size_t u_tsize;
size_t u_dsize;
size_t u_ssize;
unsigned long start_code;
unsigned long start_data;
unsigned long start_stack;
long int signal;
struct regs * u_ar0;
unsigned long magic;
char u_comm[32];
};
/* get thread context */
static void get_thread_context( struct thread *thread, unsigned int flags, CONTEXT *context )
{
int pid = get_ptrace_pid(thread);
if (flags & CONTEXT_FULL)
{
struct kernel_user_struct regs;
if (ptrace( PTRACE_GETREGS, pid, 0, &regs ) == -1) goto error;
if (flags & CONTEXT_INTEGER)
{
context->IntV0 = regs.regs[EF_V0];
context->IntT0 = regs.regs[EF_T0];
context->IntT1 = regs.regs[EF_T1];
context->IntT2 = regs.regs[EF_T2];
context->IntT3 = regs.regs[EF_T3];
context->IntT4 = regs.regs[EF_T4];
context->IntT5 = regs.regs[EF_T5];
context->IntT6 = regs.regs[EF_T6];
context->IntT7 = regs.regs[EF_T7];
context->IntS0 = regs.regs[EF_S0];
context->IntS1 = regs.regs[EF_S1];
context->IntS2 = regs.regs[EF_S2];
context->IntS3 = regs.regs[EF_S3];
context->IntS4 = regs.regs[EF_S4];
context->IntS5 = regs.regs[EF_S5];
context->IntFp = regs.regs[EF_S6];
context->IntA0 = regs.regs[EF_A0];
context->IntA1 = regs.regs[EF_A1];
context->IntA2 = regs.regs[EF_A2];
context->IntA3 = regs.regs[EF_A3];
context->IntA4 = regs.regs[EF_A4];
context->IntA5 = regs.regs[EF_A5];
context->IntT8 = regs.regs[EF_T8];
context->IntT9 = regs.regs[EF_T9];
context->IntT10 = regs.regs[EF_T10];
context->IntT11 = regs.regs[EF_T11];
context->IntT12 = regs.regs[EF_T12];
context->IntAt = regs.regs[EF_AT];
context->IntZero = 0;
}
if (flags & CONTEXT_CONTROL)
{
context->IntRa = regs.regs[EF_RA];
context->IntGp = regs.regs[EF_GP];
context->IntSp = regs.regs[EF_SP];
context->Fir = regs.regs[EF_PC];
context->Psr = regs.regs[EF_PS];
}
if (flags & CONTEXT_FLOATING_POINT)
{
context->FltF0 = regs.regs[EF_SIZE/8+0];
context->FltF1 = regs.regs[EF_SIZE/8+1];
context->FltF2 = regs.regs[EF_SIZE/8+2];
context->FltF3 = regs.regs[EF_SIZE/8+3];
context->FltF4 = regs.regs[EF_SIZE/8+4];
context->FltF5 = regs.regs[EF_SIZE/8+5];
context->FltF6 = regs.regs[EF_SIZE/8+6];
context->FltF7 = regs.regs[EF_SIZE/8+7];
context->FltF8 = regs.regs[EF_SIZE/8+8];
context->FltF9 = regs.regs[EF_SIZE/8+9];
context->FltF10 = regs.regs[EF_SIZE/8+10];
context->FltF11 = regs.regs[EF_SIZE/8+11];
context->FltF12 = regs.regs[EF_SIZE/8+12];
context->FltF13 = regs.regs[EF_SIZE/8+13];
context->FltF14 = regs.regs[EF_SIZE/8+14];
context->FltF15 = regs.regs[EF_SIZE/8+15];
context->FltF16 = regs.regs[EF_SIZE/8+16];
context->FltF17 = regs.regs[EF_SIZE/8+17];
context->FltF18 = regs.regs[EF_SIZE/8+18];
context->FltF19 = regs.regs[EF_SIZE/8+19];
context->FltF20 = regs.regs[EF_SIZE/8+20];
context->FltF21 = regs.regs[EF_SIZE/8+21];
context->FltF22 = regs.regs[EF_SIZE/8+22];
context->FltF23 = regs.regs[EF_SIZE/8+23];
context->FltF24 = regs.regs[EF_SIZE/8+24];
context->FltF25 = regs.regs[EF_SIZE/8+25];
context->FltF26 = regs.regs[EF_SIZE/8+26];
context->FltF27 = regs.regs[EF_SIZE/8+27];
context->FltF28 = regs.regs[EF_SIZE/8+28];
context->FltF29 = regs.regs[EF_SIZE/8+29];
context->FltF30 = regs.regs[EF_SIZE/8+30];
context->FltF31 = 0;
context->Fpcr = regs.regs[EF_SIZE/8+31];
context->SoftFpcr = 0; /* FIXME */
}
server: Set the context flags in get_thread_context to indicate which parts of the returned context are valid.
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context->ContextFlags |= flags & CONTEXT_FULL;
Create the necessary functions for wineserver contexts for Alpha.
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}
return;
error:
file_set_error();
}
/* set a thread context */
static void set_thread_context( struct thread *thread, unsigned int flags, const CONTEXT *context )
{
int pid = get_ptrace_pid(thread);
if (flags & CONTEXT_FULL)
{
struct kernel_user_struct regs;
if (ptrace( PTRACE_GETREGS, pid, 0, &regs ) == -1) goto error;
if (flags & CONTEXT_INTEGER)
{
regs.regs[EF_V0] = context->IntV0;
regs.regs[EF_T0] = context->IntT0;
regs.regs[EF_T1] = context->IntT1;
regs.regs[EF_T2] = context->IntT2;
regs.regs[EF_T3] = context->IntT3;
regs.regs[EF_T4] = context->IntT4;
regs.regs[EF_T5] = context->IntT5;
regs.regs[EF_T6] = context->IntT6;
regs.regs[EF_T7] = context->IntT7;
regs.regs[EF_S0] = context->IntS0;
regs.regs[EF_S1] = context->IntS1;
regs.regs[EF_S2] = context->IntS2;
regs.regs[EF_S3] = context->IntS3;
regs.regs[EF_S4] = context->IntS4;
regs.regs[EF_S5] = context->IntS5;
regs.regs[EF_S6] = context->IntFp;
regs.regs[EF_A0] = context->IntA0;
regs.regs[EF_A1] = context->IntA1;
regs.regs[EF_A2] = context->IntA2;
regs.regs[EF_A3] = context->IntA3;
regs.regs[EF_A4] = context->IntA4;
regs.regs[EF_A5] = context->IntA5;
regs.regs[EF_T8] = context->IntT8;
regs.regs[EF_T9] = context->IntT9;
regs.regs[EF_T10] = context->IntT10;
regs.regs[EF_T11] = context->IntT11;
regs.regs[EF_T12] = context->IntT12;
regs.regs[EF_AT] = context->IntAt;
}
if (flags & CONTEXT_CONTROL)
{
regs.regs[EF_RA] = context->IntRa;
regs.regs[EF_GP] = context->IntGp;
regs.regs[EF_SP] = context->IntSp;
regs.regs[EF_PC] = context->Fir;
regs.regs[EF_PS] = context->Psr;
}
if (flags & CONTEXT_FLOATING_POINT)
{
regs.regs[EF_SIZE/8+0] = context->FltF0;
regs.regs[EF_SIZE/8+1] = context->FltF1;
regs.regs[EF_SIZE/8+2] = context->FltF2;
regs.regs[EF_SIZE/8+3] = context->FltF3;
regs.regs[EF_SIZE/8+4] = context->FltF4;
regs.regs[EF_SIZE/8+5] = context->FltF5;
regs.regs[EF_SIZE/8+6] = context->FltF6;
regs.regs[EF_SIZE/8+7] = context->FltF7;
regs.regs[EF_SIZE/8+8] = context->FltF8;
regs.regs[EF_SIZE/8+9] = context->FltF9;
regs.regs[EF_SIZE/8+10] = context->FltF10;
regs.regs[EF_SIZE/8+11] = context->FltF11;
regs.regs[EF_SIZE/8+12] = context->FltF12;
regs.regs[EF_SIZE/8+13] = context->FltF13;
regs.regs[EF_SIZE/8+14] = context->FltF14;
regs.regs[EF_SIZE/8+15] = context->FltF15;
regs.regs[EF_SIZE/8+16] = context->FltF16;
regs.regs[EF_SIZE/8+17] = context->FltF17;
regs.regs[EF_SIZE/8+18] = context->FltF18;
regs.regs[EF_SIZE/8+19] = context->FltF19;
regs.regs[EF_SIZE/8+20] = context->FltF20;
regs.regs[EF_SIZE/8+21] = context->FltF21;
regs.regs[EF_SIZE/8+22] = context->FltF22;
regs.regs[EF_SIZE/8+23] = context->FltF23;
regs.regs[EF_SIZE/8+24] = context->FltF24;
regs.regs[EF_SIZE/8+25] = context->FltF25;
regs.regs[EF_SIZE/8+26] = context->FltF26;
regs.regs[EF_SIZE/8+27] = context->FltF27;
regs.regs[EF_SIZE/8+28] = context->FltF28;
regs.regs[EF_SIZE/8+29] = context->FltF29;
regs.regs[EF_SIZE/8+30] = context->FltF30;
regs.regs[EF_SIZE/8+31] = context->Fpcr;
}
server: Set the context flags in get_thread_context to indicate which parts of the returned context are valid.
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if (ptrace( PTRACE_SETREGS, pid, 0, &regs ) == -1) goto error;
Create the necessary functions for wineserver contexts for Alpha.
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}
return;
error:
file_set_error();
}
server: Moved get/set_thread_context implementation to ptrace.c.
2006-06-27 21:27:47 +02:00
#endif /* 0 */
Create the necessary functions for wineserver contexts for Alpha.
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/* copy a context structure according to the flags */
server: Moved some common bits of get/set_thread_context to thread.c.
2006-06-23 13:16:14 +02:00
void copy_context( CONTEXT *to, const CONTEXT *from, unsigned int flags )
Create the necessary functions for wineserver contexts for Alpha.
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{
server: Moved some common bits of get/set_thread_context to thread.c.
2006-06-23 13:16:14 +02:00
flags &= ~CONTEXT_ALPHA; /* get rid of CPU id */
Create the necessary functions for wineserver contexts for Alpha.
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if (flags & CONTEXT_CONTROL)
{
to->IntRa = from->IntRa;
to->IntGp = from->IntGp;
to->IntSp = from->IntSp;
to->Fir = from->Fir;
to->Psr = from->Psr;
}
if (flags & CONTEXT_INTEGER)
{
to->IntV0 = from->IntV0;
to->IntT0 = from->IntT0;
to->IntT1 = from->IntT1;
to->IntT2 = from->IntT2;
to->IntT3 = from->IntT3;
to->IntT4 = from->IntT4;
to->IntT5 = from->IntT5;
to->IntT6 = from->IntT6;
to->IntT7 = from->IntT7;
to->IntS0 = from->IntS0;
to->IntS1 = from->IntS1;
to->IntS2 = from->IntS2;
to->IntS3 = from->IntS3;
to->IntS4 = from->IntS4;
to->IntS5 = from->IntS5;
to->IntFp = from->IntFp;
to->IntA0 = from->IntA0;
to->IntA1 = from->IntA1;
to->IntA2 = from->IntA2;
to->IntA3 = from->IntA3;
to->IntA4 = from->IntA4;
to->IntA5 = from->IntA5;
to->IntT8 = from->IntT8;
to->IntT9 = from->IntT9;
to->IntT10 = from->IntT10;
to->IntT11 = from->IntT11;
to->IntT12 = from->IntT12;
to->IntAt = from->IntAt;
to->IntZero = from->IntZero;
}
if (flags & CONTEXT_FLOATING_POINT)
{
to->FltF0 = from->FltF0;
to->FltF1 = from->FltF1;
to->FltF2 = from->FltF2;
to->FltF3 = from->FltF3;
to->FltF4 = from->FltF4;
to->FltF5 = from->FltF5;
to->FltF6 = from->FltF6;
to->FltF7 = from->FltF7;
to->FltF8 = from->FltF8;
to->FltF9 = from->FltF9;
to->FltF10 = from->FltF10;
to->FltF11 = from->FltF11;
to->FltF12 = from->FltF12;
to->FltF13 = from->FltF13;
to->FltF14 = from->FltF14;
to->FltF15 = from->FltF15;
to->FltF16 = from->FltF16;
to->FltF17 = from->FltF17;
to->FltF18 = from->FltF18;
to->FltF19 = from->FltF19;
to->FltF20 = from->FltF20;
to->FltF21 = from->FltF21;
to->FltF22 = from->FltF22;
to->FltF23 = from->FltF23;
to->FltF24 = from->FltF24;
to->FltF25 = from->FltF25;
to->FltF26 = from->FltF26;
to->FltF27 = from->FltF27;
to->FltF28 = from->FltF28;
to->FltF29 = from->FltF29;
to->FltF30 = from->FltF30;
to->FltF31 = from->FltF31;
to->Fpcr = from->Fpcr;
to->SoftFpcr = from->SoftFpcr;
}
server: Set the context flags in get_thread_context to indicate which parts of the returned context are valid.
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to->ContextFlags |= flags;
Create the necessary functions for wineserver contexts for Alpha.
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}
server: Use the standard suspend mechanism to simulate a breakpoint in an active process, instead of sending a SIGTRAP.
2006-04-19 19:45:39 +02:00
/* retrieve the current instruction pointer of a context */
void *get_context_ip( const CONTEXT *context )
Create the necessary functions for wineserver contexts for Alpha.
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{
server: Use the standard suspend mechanism to simulate a breakpoint in an active process, instead of sending a SIGTRAP.
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return (void *)context->Fir;
Create the necessary functions for wineserver contexts for Alpha.
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}
server: Moved some common bits of get/set_thread_context to thread.c.
2006-06-23 13:16:14 +02:00
/* return the context flag that contains the CPU id */
unsigned int get_context_cpu_flag(void)
{
return CONTEXT_ALPHA;
}
/* 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 )
{
server: Moved get/set_thread_context implementation to ptrace.c.
2006-06-27 21:27:47 +02:00
return 0; /* FIXME: implement client-side handling */
Create the necessary functions for wineserver contexts for Alpha.
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}
#endif /* __ALPHA__ */