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Updated support for Solaris/Sparc architecture.

This commit is contained in:
Ulrich Weigand 2000-06-04 01:48:05 +00:00 committed by Alexandre Julliard
parent c69c954783
commit afd6a4b810
5 changed files with 296 additions and 3 deletions
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17
dlls/ntdll/signal_sparc.c
View File

@ -12,6 +12,7 @@
#include <signal.h>
#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
#include <sys/ucontext.h>
@ -348,4 +349,20 @@ BOOL SIGNAL_Init(void)
return FALSE;
}
/**********************************************************************
* DbgBreakPoint (NTDLL)
*/
void WINAPI DbgBreakPoint(void)
{
/* FIXME */
}
/**********************************************************************
* DbgUserBreakPoint (NTDLL)
*/
void WINAPI DbgUserBreakPoint(void)
{
/* FIXME */
}
#endif /* __sparc__ */

2
memory/selector.c
View File

@ -663,7 +663,7 @@ BOOL WINAPI GetThreadSelectorEntry( HANDLE hthread, DWORD sel, LPLDT_ENTRY ldten
if (!(req->flags & LDT_FLAGS_READONLY)) ldtent->HighWord.Bits.Type |= 0x2;
return TRUE;
#else
SetLastError( ERROR_NOT_IMPLEMENTED );
SetLastError( ERROR_CALL_NOT_IMPLEMENTED );
return FALSE;
#endif
}

78
scheduler/critsection.c
View File

@ -222,6 +222,80 @@ __ASM_GLOBAL_FUNC(InterlockedDecrement,
"decl %eax\n\t"
"ret $4");
#else /* __i386__ */
#elif defined(__sparc__) && defined(__sun__)
/*
* As the earlier Sparc processors lack necessary atomic instructions,
* I'm simply falling back to the library-provided _lwp_mutex routines
* to ensure mutual exclusion in a way appropriate for the current
* architecture.
*
* FIXME: If we have the compare-and-swap instruction (Sparc v9 and above)
* we could use this to speed up the Interlocked operations ...
*/
#include <synch.h>
static lwp_mutex_t interlocked_mutex = DEFAULTMUTEX;
PVOID WINAPI InterlockedCompareExchange( PVOID *dest, PVOID xchg, PVOID compare )
{
_lwp_mutex_lock( &interlocked_mutex );
if ( *dest == compare )
*dest = xchg;
else
compare = *dest;
_lwp_mutex_unlock( &interlocked_mutex );
return compare;
}
LONG WINAPI InterlockedExchange( PLONG dest, LONG val )
{
LONG retv;
_lwp_mutex_lock( &interlocked_mutex );
retv = *dest;
*dest = val;
_lwp_mutex_unlock( &interlocked_mutex );
return retv;
}
LONG WINAPI InterlockedExchangeAdd( PLONG dest, LONG incr )
{
LONG retv;
_lwp_mutex_lock( &interlocked_mutex );
retv = *dest;
*dest += incr;
_lwp_mutex_unlock( &interlocked_mutex );
return retv;
}
LONG WINAPI InterlockedIncrement( PLONG dest )
{
LONG retv;
_lwp_mutex_lock( &interlocked_mutex );
retv = ++*dest;
_lwp_mutex_unlock( &interlocked_mutex );
return retv;
}
LONG WINAPI InterlockedDecrement( PLONG dest )
{
LONG retv;
_lwp_mutex_lock( &interlocked_mutex );
retv = --*dest;
_lwp_mutex_unlock( &interlocked_mutex );
return retv;
}
#else
#error You must implement the Interlocked* functions for your CPU
#endif /* __i386__ */
#endif

1
server/Makefile.in
View File

@ -10,6 +10,7 @@ C_SRCS = \
change.c \
console.c \
context_i386.c \
context_sparc.c \
debugger.c \
device.c \
event.c \

201
server/context_sparc.c Normal file
View File

@ -0,0 +1,201 @@
/*
* Sparc register context support
*
* Copyright (C) 2000 Ulrich Weigand
*/
#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 <unistd.h>
#include <sys/ptrace.h>
#include <sys/user.h>
#include "winbase.h"
#include "thread.h"
#include "request.h"
#if defined(__sun) || defined(__sun__)
/* retrieve a thread context */
static void get_thread_context( struct thread *thread, unsigned int flags, CONTEXT *context )
{
int pid = thread->unix_pid;
if (flags & CONTEXT_FULL)
{
struct regs regs;
if (ptrace( PTRACE_GETREGS, pid, 0, (int) &regs ) == -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 */
}
}
if (flags & CONTEXT_FLOATING_POINT)
{
/* FIXME */
}
return;
error:
file_set_error();
}
/* set a thread context */
static void set_thread_context( struct thread *thread, unsigned int flags, CONTEXT *context )
{
/* FIXME */
}
#else /* __sun__ */
#error You must implement get/set_thread_context for your platform
#endif /* __sun__ */
/* copy a context structure according to the flags */
static void copy_context( CONTEXT *to, CONTEXT *from, int flags )
{
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 */
}
}
/* retrieve the current instruction pointer of a thread */
void *get_thread_ip( struct thread *thread )
{
CONTEXT context;
context.pc = 0;
if (suspend_for_ptrace( thread ))
{
get_thread_context( thread, CONTEXT_CONTROL, &context );
resume_thread( thread );
}
return (void *)context.pc;
}
/* retrieve the current context of a thread */
DECL_HANDLER(get_thread_context)
{
struct thread *thread;
int flags = req->flags & ~CONTEXT_SPARC; /* get rid of CPU id */
if ((thread = get_thread_from_handle( req->handle, THREAD_GET_CONTEXT )))
{
if (thread->context) /* thread is inside an exception event */
{
copy_context( &req->context, thread->context, flags );
flags = 0;
}
if (flags && suspend_for_ptrace( thread ))
{
get_thread_context( thread, flags, &req->context );
resume_thread( thread );
}
release_object( thread );
}
}
/* set the current context of a thread */
DECL_HANDLER(set_thread_context)
{
struct thread *thread;
int flags = req->flags & ~CONTEXT_SPARC; /* get rid of CPU id */
if ((thread = get_thread_from_handle( req->handle, THREAD_SET_CONTEXT )))
{
if (thread->context) /* thread is inside an exception event */
{
copy_context( thread->context, &req->context, flags );
flags = 0;
}
if (flags && suspend_for_ptrace( thread ))
{
set_thread_context( thread, flags, &req->context );
resume_thread( thread );
}
release_object( thread );
}
}
#endif /* __sparc__ */