mirror of
git://source.winehq.org/git/wine.git
synced 2024-08-30 14:14:41 +00:00
ntdll: Use the system setjmp/longjmp for exceptions in Unix libs.
This commit is contained in:
parent
b87bd5e9b0
commit
658a0665d4
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@ -1220,7 +1220,7 @@ static BOOL handle_syscall_fault( ucontext_t *context, EXCEPTION_RECORD *rec )
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TRACE( "returning to handler\n" );
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REGn_sig(0, context) = (DWORD)ntdll_get_thread_data()->jmp_buf;
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REGn_sig(1, context) = 1;
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PC_sig(context) = (DWORD)__wine_longjmp;
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PC_sig(context) = (DWORD)longjmp;
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ntdll_get_thread_data()->jmp_buf = NULL;
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}
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else
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@ -1722,40 +1722,4 @@ __ASM_GLOBAL_FUNC( __wine_unix_call_dispatcher,
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"ldm r8, {r4-r12,pc}\n\t"
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"1:\tb " __ASM_LOCAL_LABEL("__wine_syscall_dispatcher_return") )
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/***********************************************************************
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* __wine_setjmpex
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*/
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__ASM_GLOBAL_FUNC( __wine_setjmpex,
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__ASM_EHABI(".cantunwind\n\t")
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"stm r0, {r1,r4-r11}\n" /* jmp_buf->Frame,R4..R11 */
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"str sp, [r0, #0x24]\n\t" /* jmp_buf->Sp */
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"str lr, [r0, #0x28]\n\t" /* jmp_buf->Pc */
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#ifndef __SOFTFP__
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"vmrs r2, fpscr\n\t"
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"str r2, [r0, #0x2c]\n\t" /* jmp_buf->Fpscr */
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"add r0, r0, #0x30\n\t"
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"vstm r0, {d8-d15}\n\t" /* jmp_buf->D[0..7] */
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#endif
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"mov r0, #0\n\t"
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"bx lr" )
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/***********************************************************************
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* __wine_longjmp
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*/
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__ASM_GLOBAL_FUNC( __wine_longjmp,
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__ASM_EHABI(".cantunwind\n\t")
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"ldm r0, {r3-r11}\n\t" /* jmp_buf->Frame,R4..R11 */
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"ldr sp, [r0, #0x24]\n\t" /* jmp_buf->Sp */
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"ldr r2, [r0, #0x28]\n\t" /* jmp_buf->Pc */
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#ifndef __SOFTFP__
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"ldr r3, [r0, #0x2c]\n\t" /* jmp_buf->Fpscr */
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"vmsr fpscr, r3\n\t"
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"add r0, r0, #0x30\n\t"
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"vldm r0, {d8-d15}\n\t" /* jmp_buf->D[0..7] */
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#endif
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"mov r0, r1\n\t" /* retval */
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"bx r2" )
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#endif /* __arm__ */
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@ -999,7 +999,7 @@ static BOOL handle_syscall_fault( ucontext_t *context, EXCEPTION_RECORD *rec )
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TRACE( "returning to handler\n" );
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REGn_sig(0, context) = (ULONG_PTR)ntdll_get_thread_data()->jmp_buf;
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REGn_sig(1, context) = 1;
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PC_sig(context) = (ULONG_PTR)__wine_longjmp;
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PC_sig(context) = (ULONG_PTR)longjmp;
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ntdll_get_thread_data()->jmp_buf = NULL;
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}
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else
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@ -1643,53 +1643,4 @@ __ASM_GLOBAL_FUNC( __wine_unix_call_dispatcher,
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"mov sp, x16\n\t"
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"ret x17" )
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/***********************************************************************
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* __wine_setjmpex
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*/
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__ASM_GLOBAL_FUNC( __wine_setjmpex,
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"str x1, [x0]\n\t" /* jmp_buf->Frame */
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"stp x19, x20, [x0, #0x10]\n\t" /* jmp_buf->X19, X20 */
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"stp x21, x22, [x0, #0x20]\n\t" /* jmp_buf->X21, X22 */
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"stp x23, x24, [x0, #0x30]\n\t" /* jmp_buf->X23, X24 */
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"stp x25, x26, [x0, #0x40]\n\t" /* jmp_buf->X25, X26 */
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"stp x27, x28, [x0, #0x50]\n\t" /* jmp_buf->X27, X28 */
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"stp x29, x30, [x0, #0x60]\n\t" /* jmp_buf->Fp, Lr */
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"mov x2, sp\n\t"
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"str x2, [x0, #0x70]\n\t" /* jmp_buf->Sp */
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"mrs x2, fpcr\n\t"
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"str w2, [x0, #0x78]\n\t" /* jmp_buf->Fpcr */
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"mrs x2, fpsr\n\t"
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"str w2, [x0, #0x7c]\n\t" /* jmp_buf->Fpsr */
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"stp d8, d9, [x0, #0x80]\n\t" /* jmp_buf->D[0-1] */
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"stp d10, d11, [x0, #0x90]\n\t" /* jmp_buf->D[2-3] */
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"stp d12, d13, [x0, #0xa0]\n\t" /* jmp_buf->D[4-5] */
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"stp d14, d15, [x0, #0xb0]\n\t" /* jmp_buf->D[6-7] */
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"mov x0, #0\n\t"
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"ret" )
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/***********************************************************************
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* __wine_longjmp
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*/
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__ASM_GLOBAL_FUNC( __wine_longjmp,
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"ldp x19, x20, [x0, #0x10]\n\t" /* jmp_buf->X19, X20 */
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"ldp x21, x22, [x0, #0x20]\n\t" /* jmp_buf->X21, X22 */
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"ldp x23, x24, [x0, #0x30]\n\t" /* jmp_buf->X23, X24 */
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"ldp x25, x26, [x0, #0x40]\n\t" /* jmp_buf->X25, X26 */
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"ldp x27, x28, [x0, #0x50]\n\t" /* jmp_buf->X27, X28 */
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"ldp x29, x30, [x0, #0x60]\n\t" /* jmp_buf->Fp, Lr */
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"ldr x2, [x0, #0x70]\n\t" /* jmp_buf->Sp */
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"mov sp, x2\n\t"
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"ldr w2, [x0, #0x78]\n\t" /* jmp_buf->Fpcr */
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"msr fpcr, x2\n\t"
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"ldr w2, [x0, #0x7c]\n\t" /* jmp_buf->Fpsr */
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"msr fpsr, x2\n\t"
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"ldp d8, d9, [x0, #0x80]\n\t" /* jmp_buf->D[0-1] */
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"ldp d10, d11, [x0, #0x90]\n\t" /* jmp_buf->D[2-3] */
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"ldp d12, d13, [x0, #0xa0]\n\t" /* jmp_buf->D[4-5] */
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"ldp d14, d15, [x0, #0xb0]\n\t" /* jmp_buf->D[6-7] */
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"mov x0, x1\n\t" /* retval */
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"ret" )
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#endif /* __aarch64__ */
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@ -1834,13 +1834,13 @@ static BOOL handle_syscall_fault( ucontext_t *sigcontext, void *stack_ptr,
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if (ntdll_get_thread_data()->jmp_buf)
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{
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TRACE( "returning to handler\n" );
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/* push stack frame for calling __wine_longjmp */
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/* push stack frame for calling longjmp */
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stack = stack_ptr;
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*(--stack) = 1;
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*(--stack) = (DWORD)ntdll_get_thread_data()->jmp_buf;
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*(--stack) = 0xdeadbabe; /* return address */
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ESP_sig(sigcontext) = (DWORD)stack;
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EIP_sig(sigcontext) = (DWORD)__wine_longjmp;
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EIP_sig(sigcontext) = (DWORD)longjmp;
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ntdll_get_thread_data()->jmp_buf = NULL;
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}
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else
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@ -2809,35 +2809,4 @@ __ASM_GLOBAL_FUNC( __wine_unix_call_dispatcher,
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__ASM_CFI(".cfi_adjust_cfa_offset 4\n\t")
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"ret" )
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/***********************************************************************
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* __wine_setjmpex
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*/
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__ASM_GLOBAL_FUNC( __wine_setjmpex,
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"movl 4(%esp),%ecx\n\t" /* jmp_buf */
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"movl %ebp,0(%ecx)\n\t" /* jmp_buf.Ebp */
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"movl %ebx,4(%ecx)\n\t" /* jmp_buf.Ebx */
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"movl %edi,8(%ecx)\n\t" /* jmp_buf.Edi */
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"movl %esi,12(%ecx)\n\t" /* jmp_buf.Esi */
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"movl %esp,16(%ecx)\n\t" /* jmp_buf.Esp */
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"movl 0(%esp),%eax\n\t"
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"movl %eax,20(%ecx)\n\t" /* jmp_buf.Eip */
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"xorl %eax,%eax\n\t"
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"ret" )
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/***********************************************************************
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* __wine_longjmp
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*/
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__ASM_GLOBAL_FUNC( __wine_longjmp,
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"movl 4(%esp),%ecx\n\t" /* jmp_buf */
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"movl 8(%esp),%eax\n\t" /* retval */
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"movl 0(%ecx),%ebp\n\t" /* jmp_buf.Ebp */
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"movl 4(%ecx),%ebx\n\t" /* jmp_buf.Ebx */
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"movl 8(%ecx),%edi\n\t" /* jmp_buf.Edi */
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"movl 12(%ecx),%esi\n\t" /* jmp_buf.Esi */
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"movl 16(%ecx),%esp\n\t" /* jmp_buf.Esp */
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"addl $4,%esp\n\t" /* get rid of return address */
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"jmp *20(%ecx)\n\t" /* jmp_buf.Eip */ )
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#endif /* __i386__ */
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@ -1865,7 +1865,7 @@ static BOOL handle_syscall_fault( ucontext_t *sigcontext, EXCEPTION_RECORD *rec,
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TRACE_(seh)( "returning to handler\n" );
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RDI_sig(sigcontext) = (ULONG_PTR)ntdll_get_thread_data()->jmp_buf;
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RSI_sig(sigcontext) = 1;
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RIP_sig(sigcontext) = (ULONG_PTR)__wine_longjmp;
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RIP_sig(sigcontext) = (ULONG_PTR)longjmp;
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ntdll_get_thread_data()->jmp_buf = NULL;
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}
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else
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@ -2941,43 +2941,4 @@ asm( ".data\n\t"
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".quad " __ASM_LOCAL_LABEL("__wine_unix_call_dispatcher_prolog_end") "\n\t"
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".text\n\t" );
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/***********************************************************************
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* __wine_setjmpex
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*/
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__ASM_GLOBAL_FUNC( __wine_setjmpex,
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"movq %rsi,(%rdi)\n\t" /* jmp_buf->Frame */
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"movq %rbx,0x8(%rdi)\n\t" /* jmp_buf->Rbx */
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"leaq 0x8(%rsp),%rax\n\t"
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"movq %rax,0x10(%rdi)\n\t" /* jmp_buf->Rsp */
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"movq %rbp,0x18(%rdi)\n\t" /* jmp_buf->Rbp */
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"movq %r12,0x30(%rdi)\n\t" /* jmp_buf->R12 */
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"movq %r13,0x38(%rdi)\n\t" /* jmp_buf->R13 */
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"movq %r14,0x40(%rdi)\n\t" /* jmp_buf->R14 */
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"movq %r15,0x48(%rdi)\n\t" /* jmp_buf->R15 */
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"movq (%rsp),%rax\n\t"
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"movq %rax,0x50(%rdi)\n\t" /* jmp_buf->Rip */
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"stmxcsr 0x58(%rdi)\n\t" /* jmp_buf->MxCsr */
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"fnstcw 0x5c(%rdi)\n\t" /* jmp_buf->FpCsr */
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"xorq %rax,%rax\n\t"
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"retq" )
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/***********************************************************************
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* __wine_longjmp
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*/
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__ASM_GLOBAL_FUNC( __wine_longjmp,
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"movq %rsi,%rax\n\t" /* retval */
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"movq 0x8(%rdi),%rbx\n\t" /* jmp_buf->Rbx */
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"movq 0x18(%rdi),%rbp\n\t" /* jmp_buf->Rbp */
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"movq 0x30(%rdi),%r12\n\t" /* jmp_buf->R12 */
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"movq 0x38(%rdi),%r13\n\t" /* jmp_buf->R13 */
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"movq 0x40(%rdi),%r14\n\t" /* jmp_buf->R14 */
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"movq 0x48(%rdi),%r15\n\t" /* jmp_buf->R15 */
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"ldmxcsr 0x58(%rdi)\n\t" /* jmp_buf->MxCsr */
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"fnclex\n\t"
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"fldcw 0x5c(%rdi)\n\t" /* jmp_buf->FpCsr */
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"movq 0x50(%rdi),%rdx\n\t" /* jmp_buf->Rip */
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"movq 0x10(%rdi),%rsp\n\t" /* jmp_buf->Rsp */
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"jmp *%rdx" )
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#endif /* __x86_64__ */
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@ -1781,7 +1781,7 @@ NTSTATUS get_thread_context( HANDLE handle, void *context, BOOL *self, USHORT ma
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/***********************************************************************
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* ntdll_set_exception_jmp_buf
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*/
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void ntdll_set_exception_jmp_buf( __wine_jmp_buf *jmp )
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void ntdll_set_exception_jmp_buf( jmp_buf jmp )
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{
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assert( !jmp || !ntdll_get_thread_data()->jmp_buf );
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ntdll_get_thread_data()->jmp_buf = jmp;
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@ -42,25 +42,12 @@ NTSYSAPI int ntdll_wcsnicmp( const WCHAR *str1, const WCHAR *str2, int n );
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/* exception handling */
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#ifdef __i386__
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typedef struct { int reg[16]; } __wine_jmp_buf;
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#elif defined(__x86_64__)
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typedef struct { DECLSPEC_ALIGN(16) struct { unsigned __int64 Part[2]; } reg[16]; } __wine_jmp_buf;
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#elif defined(__arm__)
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typedef struct { int reg[28]; } __wine_jmp_buf;
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#elif defined(__aarch64__)
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typedef struct { __int64 reg[24]; } __wine_jmp_buf;
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#else
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typedef struct { int reg; } __wine_jmp_buf;
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#endif
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#include <setjmp.h>
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NTSYSAPI int __attribute__ ((__nothrow__,__returns_twice__)) __wine_setjmpex( __wine_jmp_buf *buf,
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EXCEPTION_REGISTRATION_RECORD *frame );
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NTSYSAPI void DECLSPEC_NORETURN __wine_longjmp( __wine_jmp_buf *buf, int retval );
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NTSYSAPI void ntdll_set_exception_jmp_buf( __wine_jmp_buf *jmp );
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NTSYSAPI void ntdll_set_exception_jmp_buf( jmp_buf jmp );
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#define __TRY \
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do { __wine_jmp_buf __jmp; \
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do { jmp_buf __jmp; \
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int __first = 1; \
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for (;;) if (!__first) \
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{ \
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@ -71,14 +58,14 @@ NTSYSAPI void ntdll_set_exception_jmp_buf( __wine_jmp_buf *jmp );
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ntdll_set_exception_jmp_buf( NULL ); \
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break; \
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} else { \
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if (__wine_setjmpex( &__jmp, NULL )) { \
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if (setjmp( __jmp )) { \
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do {
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#define __ENDTRY \
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} while (0); \
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break; \
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} \
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ntdll_set_exception_jmp_buf( &__jmp ); \
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ntdll_set_exception_jmp_buf( __jmp ); \
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__first = 0; \
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} \
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} while (0);
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