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ntdll: Move the CPU-specific handling of current TEB to the respective signal files.

This commit is contained in:
Alexandre Julliard 2009-02-18 13:04:50 +01:00
parent 5adfec2883
commit 66255772fc
6 changed files with 69 additions and 44 deletions
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5
dlls/ntdll/ntdll_misc.h
View File

@ -22,6 +22,9 @@
#include <stdarg.h>
#include <signal.h>
#include <sys/types.h>
#ifdef HAVE_PTHREAD_H
# include <pthread.h>
#endif
#include "windef.h"
#include "winnt.h"
@ -52,7 +55,7 @@ extern NTSTATUS NTDLL_wait_for_multiple_objects( UINT count, const HANDLE *handl
const LARGE_INTEGER *timeout, HANDLE signal_object );
/* init routines */
extern void signal_init_thread(void);
extern void signal_init_thread( TEB *teb );
extern void signal_init_process(void);
extern size_t get_signal_stack_total_size(void);
extern void version_init( const WCHAR *appname );

23
dlls/ntdll/signal_i386.c
View File

@ -372,6 +372,7 @@ WINE_DEFAULT_DEBUG_CHANNEL(seh);
typedef int (*wine_signal_handler)(unsigned int sig);
static const size_t teb_size = 4096; /* we reserve one page for the TEB */
static size_t signal_stack_mask;
static size_t signal_stack_size;
@ -1578,8 +1579,6 @@ static void usr1_handler( int signal, siginfo_t *siginfo, void *sigcontext )
*/
size_t get_signal_stack_total_size(void)
{
static const size_t teb_size = 4096; /* we reserve one page for the TEB */
if (!signal_stack_size)
{
size_t size = 8192, min_size = teb_size + max( MINSIGSTKSZ, 8192 );
@ -1607,9 +1606,10 @@ int CDECL __wine_set_signal_handler(unsigned int sig, wine_signal_handler wsh)
/**********************************************************************
* signal_init_thread
*/
void signal_init_thread(void)
void signal_init_thread( TEB *teb )
{
#ifdef HAVE_SIGALTSTACK
struct ntdll_thread_data *thread_data = (struct ntdll_thread_data *)teb->SystemReserved2;
LDT_ENTRY fs_entry;
stack_t ss;
#ifdef __APPLE__
@ -1620,13 +1620,16 @@ void signal_init_thread(void)
sysctl( mib, 2, NULL, NULL, &val, sizeof(val) );
#endif
ss.ss_sp = get_signal_stack();
ss.ss_sp = (char *)teb + teb_size;
ss.ss_size = signal_stack_size;
ss.ss_flags = 0;
if (sigaltstack(&ss, NULL) == -1) perror( "sigaltstack" );
#endif /* HAVE_SIGALTSTACK */
ntdll_get_thread_data()->gs = wine_get_gs();
wine_ldt_set_base( &fs_entry, teb );
wine_ldt_set_limit( &fs_entry, teb_size - 1 );
wine_ldt_set_flags( &fs_entry, WINE_LDT_FLAGS_DATA|WINE_LDT_FLAGS_32BIT );
wine_ldt_init_fs( thread_data->fs, &fs_entry );
thread_data->gs = wine_get_gs();
}
/**********************************************************************
@ -1670,7 +1673,6 @@ void signal_init_process(void)
if (sigaction( SIGUSR2, &sig_act, NULL ) == -1) goto error;
#endif
signal_init_thread();
return;
error:
@ -1775,6 +1777,11 @@ __ASM_GLOBAL_FUNC( DbgBreakPoint, "int $3; ret")
*/
__ASM_GLOBAL_FUNC( DbgUserBreakPoint, "int $3; ret")
/**********************************************************************
* NtCurrentTeb (NTDLL.@)
*/
__ASM_GLOBAL_FUNC( NtCurrentTeb, ".byte 0x64\n\tmovl 0x18,%eax\n\tret" )
/**********************************************************************
* EXC_CallHandler (internal)

21
dlls/ntdll/signal_powerpc.c
View File

@ -60,6 +60,7 @@
WINE_DEFAULT_DEBUG_CHANNEL(seh);
static pthread_key_t teb_key;
/***********************************************************************
* signal context platform-specific definitions
@ -646,10 +647,19 @@ int CDECL __wine_set_signal_handler(unsigned int sig, wine_signal_handler wsh)
/**********************************************************************
* signal_init_thread
*/
void signal_init_thread(void)
void signal_init_thread( TEB *teb )
{
static int init_done;
if (!init_done)
{
pthread_key_create( &teb_key, NULL );
init_done = 1;
}
pthread_setspecific( teb_key, teb );
}
/**********************************************************************
* signal_init_process
*/
@ -668,7 +678,6 @@ void signal_init_process(void)
#ifdef SIGTRAP
if (set_handler( SIGTRAP, (void (*)())trap_handler ) == -1) goto error;
#endif
signal_init_thread();
return;
error:
@ -701,4 +710,12 @@ void WINAPI DbgUserBreakPoint(void)
kill(getpid(), SIGTRAP);
}
/**********************************************************************
* NtCurrentTeb (NTDLL.@)
*/
TEB * WINAPI NtCurrentTeb(void)
{
return pthread_getspecific( teb_key );
}
#endif /* __powerpc__ */

21
dlls/ntdll/signal_sparc.c
View File

@ -44,6 +44,8 @@
WINE_DEFAULT_DEBUG_CHANNEL(seh);
static pthread_key_t teb_key;
#define HANDLER_DEF(name) void name( int __signal, struct siginfo *__siginfo, ucontext_t *__context )
#define HANDLER_CONTEXT (__context)
@ -459,10 +461,19 @@ int CDECL __wine_set_signal_handler(unsigned int sig, wine_signal_handler wsh)
/**********************************************************************
* signal_init_thread
*/
void signal_init_thread(void)
void signal_init_thread( TEB *teb )
{
static int init_done;
if (!init_done)
{
pthread_key_create( &teb_key, NULL );
init_done = 1;
}
pthread_setspecific( teb_key, teb );
}
/**********************************************************************
* signal_init_process
*/
@ -516,4 +527,12 @@ void WINAPI DbgUserBreakPoint(void)
kill(getpid(), SIGTRAP);
}
/**********************************************************************
* NtCurrentTeb (NTDLL.@)
*/
TEB * WINAPI NtCurrentTeb(void)
{
return pthread_getspecific( teb_key );
}
#endif /* __sparc__ */

11
dlls/ntdll/signal_x86_64.c
View File

@ -55,6 +55,9 @@ WINE_DEFAULT_DEBUG_CHANNEL(seh);
*/
#ifdef linux
#include <asm/prctl.h>
extern int arch_prctl(int func, void *ptr);
typedef struct ucontext SIGCONTEXT;
# define HANDLER_DEF(name) void name( int __signal, struct siginfo *__siginfo, SIGCONTEXT *__context )
@ -532,8 +535,13 @@ int CDECL __wine_set_signal_handler(unsigned int sig, wine_signal_handler wsh)
/**********************************************************************
* signal_init_thread
*/
void signal_init_thread(void)
void signal_init_thread( TEB *teb )
{
#ifdef __linux__
arch_prctl( ARCH_SET_GS, teb );
#else
# error Please define setting %gs for your architecture
#endif
}
/**********************************************************************
@ -554,7 +562,6 @@ void signal_init_process(void)
#ifdef SIGTRAP
if (set_handler( SIGTRAP, (void (*)())trap_handler ) == -1) goto error;
#endif
signal_init_thread();
return;
error:

32
dlls/ntdll/thread.c
View File

@ -296,7 +296,7 @@ HANDLE thread_init(void)
thread_info.teb_base = teb;
thread_info.teb_sel = thread_data->fs;
wine_pthread_get_functions( &pthread_functions, sizeof(pthread_functions) );
pthread_functions.init_current_teb( &thread_info );
signal_init_thread( teb );
pthread_functions.init_thread( &thread_info );
virtual_init_threading();
@ -424,8 +424,7 @@ static void start_thread( struct wine_pthread_thread_info *info )
debug_info.out_pos = debug_info.output;
thread_data->debug_info = &debug_info;
pthread_functions.init_current_teb( info );
signal_init_thread();
signal_init_thread( teb );
server_init_thread( func );
pthread_functions.init_thread( info );
virtual_alloc_thread_stack( info->stack_base, info->stack_size );
@ -1471,30 +1470,3 @@ NTSTATUS WINAPI NtSetInformationThread( HANDLE handle, THREADINFOCLASS class,
return STATUS_NOT_IMPLEMENTED;
}
}
/**********************************************************************
* NtCurrentTeb (NTDLL.@)
*/
#if defined(__i386__) && defined(__GNUC__)
__ASM_GLOBAL_FUNC( NtCurrentTeb, ".byte 0x64\n\tmovl 0x18,%eax\n\tret" )
#elif defined(__i386__) && defined(_MSC_VER)
/* Nothing needs to be done. MS C "magically" exports the inline version from winnt.h */
#elif defined(__x86_64__) && defined(__GNUC__)
/* not exported on x86_64 */
#else
/**********************************************************************/
TEB * WINAPI NtCurrentTeb(void)
{
return pthread_functions.get_current_teb();
}
#endif /* __i386__ */