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ntdll: Directly use ucontext_t instead of SIGCONTEXT on all platforms.

This commit is contained in:
Alexandre Julliard 2014-07-23 16:32:33 +02:00
parent 8d817997ce
commit 775263aa5c
3 changed files with 26 additions and 43 deletions
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14
dlls/ntdll/signal_arm.c
View File

@ -82,8 +82,6 @@ typedef struct ucontext
} ucontext_t;
#endif
typedef ucontext_t SIGCONTEXT;
/* All Registers access - only for local access */
# define REG_sig(reg_name, context) ((context)->uc_mcontext.reg_name)
# define REGn_sig(reg_num, context) ((context)->uc_mcontext.arm_r##reg_num)
@ -149,7 +147,7 @@ static inline BOOL is_valid_frame( void *frame )
*
* Set the register values from a sigcontext.
*/
static void save_context( CONTEXT *context, const SIGCONTEXT *sigcontext )
static void save_context( CONTEXT *context, const ucontext_t *sigcontext )
{
#define C(x) context->R##x = REGn_sig(x,sigcontext)
/* Save normal registers */
@ -171,7 +169,7 @@ static void save_context( CONTEXT *context, const SIGCONTEXT *sigcontext )
*
* Build a sigcontext from the register values.
*/
static void restore_context( const CONTEXT *context, SIGCONTEXT *sigcontext )
static void restore_context( const CONTEXT *context, ucontext_t *sigcontext )
{
#define C(x) REGn_sig(x,sigcontext) = context->R##x
/* Restore normal registers */
@ -192,7 +190,7 @@ static void restore_context( const CONTEXT *context, SIGCONTEXT *sigcontext )
*
* Set the FPU context from a sigcontext.
*/
static inline void save_fpu( CONTEXT *context, const SIGCONTEXT *sigcontext )
static inline void save_fpu( CONTEXT *context, const ucontext_t *sigcontext )
{
FIXME("not implemented\n");
}
@ -203,7 +201,7 @@ static inline void save_fpu( CONTEXT *context, const SIGCONTEXT *sigcontext )
*
* Restore the FPU context to a sigcontext.
*/
static inline void restore_fpu( CONTEXT *context, const SIGCONTEXT *sigcontext )
static inline void restore_fpu( CONTEXT *context, const ucontext_t *sigcontext )
{
FIXME("not implemented\n");
}
@ -398,7 +396,7 @@ __ASM_GLOBAL_FUNC( raise_func_trampoline_arm,
*
* Setup the exception record and context on the thread stack.
*/
static EXCEPTION_RECORD *setup_exception( SIGCONTEXT *sigcontext, raise_func func )
static EXCEPTION_RECORD *setup_exception( ucontext_t *sigcontext, raise_func func )
{
struct stack_layout
{
@ -586,7 +584,7 @@ static NTSTATUS raise_exception( EXCEPTION_RECORD *rec, CONTEXT *context, BOOL f
static void segv_handler( int signal, siginfo_t *info, void *ucontext )
{
EXCEPTION_RECORD *rec;
SIGCONTEXT *context = ucontext;
ucontext_t *context = ucontext;
/* check for page fault inside the thread stack */
if (TRAP_sig(context) == TRAP_ARM_PAGEFLT &&

14
dlls/ntdll/signal_arm64.c
View File

@ -67,8 +67,6 @@ static pthread_key_t teb_key;
*/
#ifdef linux
typedef ucontext_t SIGCONTEXT;
/* All Registers access - only for local access */
# define REG_sig(reg_name, context) ((context)->uc_mcontext.reg_name)
# define REGn_sig(reg_num, context) ((context)->uc_mcontext.regs[reg_num])
@ -117,7 +115,7 @@ static inline BOOL is_valid_frame( void *frame )
*
* Set the register values from a sigcontext.
*/
static void save_context( CONTEXT *context, const SIGCONTEXT *sigcontext )
static void save_context( CONTEXT *context, const ucontext_t *sigcontext )
{
#define C(n) context->X##n = REGn_sig(n,sigcontext)
/* Save normal registers */
@ -138,7 +136,7 @@ static void save_context( CONTEXT *context, const SIGCONTEXT *sigcontext )
*
* Build a sigcontext from the register values.
*/
static void restore_context( const CONTEXT *context, SIGCONTEXT *sigcontext )
static void restore_context( const CONTEXT *context, ucontext_t *sigcontext )
{
#define C(n) REGn_sig(n,sigcontext) = context->X##n
/* Restore normal registers */
@ -158,7 +156,7 @@ static void restore_context( const CONTEXT *context, SIGCONTEXT *sigcontext )
*
* Set the FPU context from a sigcontext.
*/
static inline void save_fpu( CONTEXT *context, const SIGCONTEXT *sigcontext )
static inline void save_fpu( CONTEXT *context, const ucontext_t *sigcontext )
{
FIXME( "Not implemented on ARM64\n" );
}
@ -169,7 +167,7 @@ static inline void save_fpu( CONTEXT *context, const SIGCONTEXT *sigcontext )
*
* Restore the FPU context to a sigcontext.
*/
static inline void restore_fpu( CONTEXT *context, const SIGCONTEXT *sigcontext )
static inline void restore_fpu( CONTEXT *context, const ucontext_t *sigcontext )
{
FIXME( "Not implemented on ARM64\n" );
}
@ -286,7 +284,7 @@ NTSTATUS context_from_server( CONTEXT *to, const context_t *from )
*
* Setup the exception record and context on the thread stack.
*/
static EXCEPTION_RECORD *setup_exception( SIGCONTEXT *sigcontext, raise_func func )
static EXCEPTION_RECORD *setup_exception( ucontext_t *sigcontext, raise_func func )
{
struct stack_layout
{
@ -460,7 +458,7 @@ static NTSTATUS raise_exception( EXCEPTION_RECORD *rec, CONTEXT *context, BOOL f
static void segv_handler( int signal, siginfo_t *info, void *ucontext )
{
EXCEPTION_RECORD *rec;
SIGCONTEXT *context = ucontext;
ucontext_t *context = ucontext;
/* check for page fault inside the thread stack */
if (signal == SIGSEGV &&

41
dlls/ntdll/signal_i386.c
View File

@ -102,6 +102,7 @@ typedef struct
#ifdef __ANDROID__
#ifndef HAVE_SYS_UCONTEXT_H
typedef struct ucontext
{
unsigned long uc_flags;
@ -109,7 +110,8 @@ typedef struct ucontext
stack_t uc_stack;
struct sigcontext uc_mcontext;
sigset_t uc_sigmask;
} SIGCONTEXT;
} ucontext_t;
#endif
#define EAX_sig(context) ((context)->uc_mcontext.eax)
#define EBX_sig(context) ((context)->uc_mcontext.ebx)
@ -143,8 +145,6 @@ __ASM_GLOBAL_FUNC( rt_sigreturn,
#elif defined (__linux__)
typedef ucontext_t SIGCONTEXT;
#define EAX_sig(context) ((context)->uc_mcontext.gregs[REG_EAX])
#define EBX_sig(context) ((context)->uc_mcontext.gregs[REG_EBX])
#define ECX_sig(context) ((context)->uc_mcontext.gregs[REG_ECX])
@ -222,7 +222,7 @@ __ASM_GLOBAL_FUNC(vm86_enter,
#elif defined (__BSDI__)
#include <machine/frame.h>
typedef struct trapframe SIGCONTEXT;
typedef struct trapframe ucontext_t;
#define EAX_sig(context) ((context)->tf_eax)
#define EBX_sig(context) ((context)->tf_ebx)
@ -249,8 +249,6 @@ typedef struct trapframe SIGCONTEXT;
#include <machine/trap.h>
typedef struct sigcontext SIGCONTEXT;
#define EAX_sig(context) ((context)->sc_eax)
#define EBX_sig(context) ((context)->sc_ebx)
#define ECX_sig(context) ((context)->sc_ecx)
@ -278,8 +276,6 @@ typedef struct sigcontext SIGCONTEXT;
#elif defined (__OpenBSD__)
typedef struct sigcontext SIGCONTEXT;
#define EAX_sig(context) ((context)->sc_eax)
#define EBX_sig(context) ((context)->sc_ebx)
#define ECX_sig(context) ((context)->sc_ecx)
@ -312,10 +308,6 @@ typedef struct sigcontext SIGCONTEXT;
#ifdef _SCO_DS
#include <sys/regset.h>
#endif
typedef struct ucontext SIGCONTEXT;
#ifdef _SCO_DS
#define gregs regs
#endif
@ -357,8 +349,6 @@ typedef struct ucontext SIGCONTEXT;
#elif defined (__APPLE__)
typedef ucontext_t SIGCONTEXT;
/* work around silly renaming of struct members in OS X 10.5 */
#if __DARWIN_UNIX03 && defined(_STRUCT_X86_EXCEPTION_STATE32)
#define EAX_sig(context) ((context)->uc_mcontext->__ss.__eax)
@ -406,8 +396,6 @@ typedef ucontext_t SIGCONTEXT;
#elif defined(__NetBSD__)
typedef ucontext_t SIGCONTEXT;
#define EAX_sig(context) ((context)->uc_mcontext.__gregs[_REG_EAX])
#define EBX_sig(context) ((context)->uc_mcontext.__gregs[_REG_EBX])
#define ECX_sig(context) ((context)->uc_mcontext.__gregs[_REG_ECX])
@ -436,7 +424,6 @@ typedef ucontext_t SIGCONTEXT;
#define T_XMMFLT T_XMM
#elif defined(__GNU__)
typedef ucontext_t SIGCONTEXT;
#define EAX_sig(context) ((context)->uc_mcontext.gregs[REG_EAX])
#define EBX_sig(context) ((context)->uc_mcontext.gregs[REG_EBX])
@ -553,7 +540,7 @@ static inline int dispatch_signal(unsigned int sig)
*
* Get the trap code for a signal.
*/
static inline enum i386_trap_code get_trap_code( const SIGCONTEXT *sigcontext )
static inline enum i386_trap_code get_trap_code( const ucontext_t *sigcontext )
{
#ifdef TRAP_sig
return TRAP_sig(sigcontext);
@ -567,7 +554,7 @@ static inline enum i386_trap_code get_trap_code( const SIGCONTEXT *sigcontext )
*
* Get the error code for a signal.
*/
static inline WORD get_error_code( const SIGCONTEXT *sigcontext )
static inline WORD get_error_code( const ucontext_t *sigcontext )
{
#ifdef ERROR_sig
return ERROR_sig(sigcontext);
@ -952,7 +939,7 @@ __ASM_GLOBAL_FUNC( clear_alignment_flag,
* Handler initialization when the full context is not needed.
* Return the stack pointer to use for pushing the exception data.
*/
static inline void *init_handler( const SIGCONTEXT *sigcontext, WORD *fs, WORD *gs )
static inline void *init_handler( const ucontext_t *sigcontext, WORD *fs, WORD *gs )
{
TEB *teb = get_current_teb();
@ -1114,7 +1101,7 @@ static void fpux_to_fpu( FLOATING_SAVE_AREA *fpu, const XMM_SAVE_AREA32 *fpux )
*
* Build a context structure from the signal info.
*/
static inline void save_context( CONTEXT *context, const SIGCONTEXT *sigcontext, WORD fs, WORD gs )
static inline void save_context( CONTEXT *context, const ucontext_t *sigcontext, WORD fs, WORD gs )
{
struct ntdll_thread_data * const regs = ntdll_get_thread_data();
FLOATING_SAVE_AREA *fpu = FPU_sig(sigcontext);
@ -1166,7 +1153,7 @@ static inline void save_context( CONTEXT *context, const SIGCONTEXT *sigcontext,
*
* Restore the signal info from the context.
*/
static inline void restore_context( const CONTEXT *context, SIGCONTEXT *sigcontext )
static inline void restore_context( const CONTEXT *context, ucontext_t *sigcontext )
{
struct ntdll_thread_data * const regs = ntdll_get_thread_data();
FLOATING_SAVE_AREA *fpu = FPU_sig(sigcontext);
@ -1659,7 +1646,7 @@ static BOOL check_atl_thunk( EXCEPTION_RECORD *rec, CONTEXT *context )
*
* Setup the exception record and context on the thread stack.
*/
static EXCEPTION_RECORD *setup_exception_record( SIGCONTEXT *sigcontext, void *stack_ptr,
static EXCEPTION_RECORD *setup_exception_record( ucontext_t *sigcontext, void *stack_ptr,
WORD fs, WORD gs, raise_func func )
{
struct stack_layout
@ -1761,7 +1748,7 @@ static EXCEPTION_RECORD *setup_exception_record( SIGCONTEXT *sigcontext, void *s
* sigcontext so that the return from the signal handler will call
* the raise function.
*/
static EXCEPTION_RECORD *setup_exception( SIGCONTEXT *sigcontext, raise_func func )
static EXCEPTION_RECORD *setup_exception( ucontext_t *sigcontext, raise_func func )
{
WORD fs, gs;
void *stack = init_handler( sigcontext, &fs, &gs );
@ -1954,7 +1941,7 @@ static void segv_handler( int signal, siginfo_t *siginfo, void *sigcontext )
{
WORD fs, gs;
EXCEPTION_RECORD *rec;
SIGCONTEXT *context = sigcontext;
ucontext_t *context = sigcontext;
void *stack = init_handler( sigcontext, &fs, &gs );
/* check for page fault inside the thread stack */
@ -2036,7 +2023,7 @@ static void segv_handler( int signal, siginfo_t *siginfo, void *sigcontext )
*/
static void trap_handler( int signal, siginfo_t *siginfo, void *sigcontext )
{
SIGCONTEXT *context = sigcontext;
ucontext_t *context = sigcontext;
EXCEPTION_RECORD *rec = setup_exception( context, raise_trap_exception );
switch(get_trap_code(context))
@ -2062,7 +2049,7 @@ static void trap_handler( int signal, siginfo_t *siginfo, void *sigcontext )
static void fpe_handler( int signal, siginfo_t *siginfo, void *sigcontext )
{
CONTEXT *win_context;
SIGCONTEXT *context = sigcontext;
ucontext_t *context = sigcontext;
EXCEPTION_RECORD *rec = setup_exception( context, raise_generic_exception );
win_context = get_exception_context( rec );