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ntdll: Always use SEH support on ARM.

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This commit is contained in:
Alexandre Julliard 2024-03-01 16:05:20 +01:00
parent 40bda46795
commit a9671befc1
1 changed files with 21 additions and 131 deletions
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152
dlls/ntdll/signal_arm.c
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@ -163,7 +163,6 @@ EXCEPTION_DISPOSITION WINAPI unwind_exception_handler( EXCEPTION_RECORD *record,
/**********************************************************************
* unwind_handler_wrapper
*/
#ifdef __WINE_PE_BUILD
extern DWORD WINAPI unwind_handler_wrapper( EXCEPTION_RECORD *rec, DISPATCHER_CONTEXT *dispatch );
__ASM_GLOBAL_FUNC( unwind_handler_wrapper,
"push {r1,lr}\n\t"
@ -176,25 +175,6 @@ __ASM_GLOBAL_FUNC( unwind_handler_wrapper,
"ldr ip, [r3, #0x18]\n\t" /* dispatch->LanguageHandler */
"blx ip\n\t"
"pop {r1,pc}\n\t" )
#else
static DWORD unwind_handler_wrapper( EXCEPTION_RECORD *rec, DISPATCHER_CONTEXT *dispatch )
{
struct
{
DISPATCHER_CONTEXT *dispatch;
ULONG lr;
EXCEPTION_REGISTRATION_RECORD frame;
} frame;
DWORD res;
frame.frame.Handler = (PEXCEPTION_HANDLER)unwind_exception_handler;
frame.dispatch = dispatch;
__wine_push_frame( &frame.frame );
res = dispatch->LanguageHandler( rec, (void *)dispatch->EstablisherFrame, dispatch->ContextRecord, dispatch );
__wine_pop_frame( &frame.frame );
return res;
}
#endif
/**********************************************************************
@ -257,7 +237,6 @@ static DWORD call_teb_unwind_handler( EXCEPTION_RECORD *rec, DISPATCHER_CONTEXT
/***********************************************************************
* call_handler_wrapper
*/
#ifdef __WINE_PE_BUILD
extern DWORD WINAPI call_handler_wrapper( EXCEPTION_RECORD *rec, CONTEXT *context, DISPATCHER_CONTEXT *dispatch );
__ASM_GLOBAL_FUNC( call_handler_wrapper,
"push {r4,lr}\n\t"
@ -270,19 +249,6 @@ __ASM_GLOBAL_FUNC( call_handler_wrapper,
"ldr ip, [r3, #0x18]\n\t" /* dispatch->LanguageHandler */
"blx ip\n\t"
"pop {r4,pc}\n\t" )
#else
static DWORD call_handler_wrapper( EXCEPTION_RECORD *rec, CONTEXT *context, DISPATCHER_CONTEXT *dispatch )
{
EXCEPTION_REGISTRATION_RECORD frame;
DWORD res;
frame.Handler = (PEXCEPTION_HANDLER)nested_exception_handler;
__wine_push_frame( &frame );
res = dispatch->LanguageHandler( rec, (void *)dispatch->EstablisherFrame, context, dispatch );
__wine_pop_frame( &frame );
return res;
}
#endif
/**********************************************************************
@ -431,17 +397,8 @@ NTSTATUS call_seh_handlers( EXCEPTION_RECORD *rec, CONTEXT *orig_context )
* KiUserExceptionDispatcher (NTDLL.@)
*/
__ASM_GLOBAL_FUNC( KiUserExceptionDispatcher,
__ASM_SEH(".seh_custom 0xee,0x02\n\t") /* MSFT_OP_CONTEXT */
__ASM_SEH(".seh_endprologue\n\t")
__ASM_EHABI(".save {sp}\n\t") /* Restore Sp last */
__ASM_EHABI(".pad #-(0x80 + 0x0c + 0x0c)\n\t") /* Move back across D0-D15, Cpsr, Fpscr, Padding, Pc, Lr and Sp */
__ASM_EHABI(".vsave {d8-d15}\n\t")
__ASM_EHABI(".pad #0x40\n\t") /* Skip past D0-D7 */
__ASM_EHABI(".pad #0x0c\n\t") /* Skip past Cpsr, Fpscr and Padding */
__ASM_EHABI(".save {lr, pc}\n\t")
__ASM_EHABI(".pad #0x08\n\t") /* Skip past R12 and Sp - Sp is restored last */
__ASM_EHABI(".save {r4-r11}\n\t")
__ASM_EHABI(".pad #0x14\n\t") /* Skip past ContextFlags and R0-R3 */
".seh_custom 0xee,0x02\n\t" /* MSFT_OP_CONTEXT */
".seh_endprologue\n\t"
"add r0, sp, #0x1a0\n\t" /* rec (context + 1) */
"mov r1, sp\n\t" /* context */
"bl " __ASM_NAME("dispatch_exception") "\n\t"
@ -452,19 +409,10 @@ __ASM_GLOBAL_FUNC( KiUserExceptionDispatcher,
* KiUserApcDispatcher (NTDLL.@)
*/
__ASM_GLOBAL_FUNC( KiUserApcDispatcher,
__ASM_SEH(".seh_custom 0xee,0x02\n\t") /* MSFT_OP_CONTEXT */
".seh_custom 0xee,0x02\n\t" /* MSFT_OP_CONTEXT */
"nop\n\t"
__ASM_SEH(".seh_stackalloc 0x18\n\t")
__ASM_SEH(".seh_endprologue\n\t")
__ASM_EHABI(".save {sp}\n\t") /* Restore Sp last */
__ASM_EHABI(".pad #-(0x80 + 0x0c + 0x0c)\n\t") /* Move back across D0-D15, Cpsr, Fpscr, Padding, Pc, Lr and Sp */
__ASM_EHABI(".vsave {d8-d15}\n\t")
__ASM_EHABI(".pad #0x40\n\t") /* Skip past D0-D7 */
__ASM_EHABI(".pad #0x0c\n\t") /* Skip past Cpsr, Fpscr and Padding */
__ASM_EHABI(".save {lr, pc}\n\t")
__ASM_EHABI(".pad #0x08\n\t") /* Skip past R12 and Sp - Sp is restored last */
__ASM_EHABI(".save {r4-r11}\n\t")
__ASM_EHABI(".pad #0x2c\n\t") /* Skip past args, ContextFlags and R0-R3 */
".seh_stackalloc 0x18\n\t"
".seh_endprologue\n\t"
"ldr r0, [sp, #0x04]\n\t" /* arg1 */
"ldr r1, [sp, #0x08]\n\t" /* arg2 */
"ldr r2, [sp, #0x0c]\n\t" /* arg3 */
@ -480,28 +428,21 @@ __ASM_GLOBAL_FUNC( KiUserApcDispatcher,
* KiUserCallbackDispatcher (NTDLL.@)
*/
__ASM_GLOBAL_FUNC( KiUserCallbackDispatcher,
__ASM_SEH(".seh_custom 0xee,0x01\n\t") /* MSFT_OP_MACHINE_FRAME */
".seh_custom 0xee,0x01\n\t" /* MSFT_OP_MACHINE_FRAME */
"nop\n\t"
__ASM_SEH(".seh_save_regs {lr}\n\t")
".seh_save_regs {lr}\n\t"
"nop\n\t"
__ASM_SEH(".seh_stackalloc 0xc\n\t")
__ASM_SEH(".seh_endprologue\n\t")
__ASM_EHABI(".save {sp, pc}\n\t")
__ASM_EHABI(".save {lr}\n\t")
__ASM_EHABI(".pad #0x0c\n\t")
".seh_stackalloc 0xc\n\t"
".seh_endprologue\n\t"
"ldr r0, [sp]\n\t" /* args */
"ldr r1, [sp, #0x04]\n\t" /* len */
"ldr r2, [sp, #0x08]\n\t" /* id */
#ifdef __WINE_PE_BUILD
"mrc p15, 0, r3, c13, c0, 2\n\t" /* NtCurrentTeb() */
"ldr r3, [r3, 0x30]\n\t" /* peb */
"ldr r3, [r3, 0x2c]\n\t" /* peb->KernelCallbackTable */
"ldr ip, [r3, r2, lsl #2]\n\t"
"blx ip\n\t"
".seh_handler " __ASM_NAME("user_callback_handler") ", %except\n\t"
#else
"bl " __ASM_NAME("dispatch_user_callback") "\n\t"
#endif
".globl " __ASM_NAME("KiUserCallbackDispatcherReturn") "\n"
__ASM_NAME("KiUserCallbackDispatcherReturn") ":\n\t"
"mov r2, r0\n\t" /* status */
@ -531,52 +472,18 @@ extern void * WINAPI call_consolidate_callback( CONTEXT *context,
EXCEPTION_RECORD *rec );
__ASM_GLOBAL_FUNC( call_consolidate_callback,
"push {r0-r2,lr}\n\t"
__ASM_SEH(".seh_nop\n\t")
".seh_nop\n\t"
"sub sp, sp, #0x1a0\n\t"
__ASM_SEH(".seh_nop\n\t")
".seh_nop\n\t"
"mov r1, r0\n\t"
__ASM_SEH(".seh_nop\n\t")
".seh_nop\n\t"
"mov r0, sp\n\t"
__ASM_SEH(".seh_nop\n\t")
".seh_nop\n\t"
"mov r2, #0x1a0\n\t"
__ASM_SEH(".seh_nop_w\n\t")
".seh_nop_w\n\t"
"bl " __ASM_NAME("memcpy") "\n\t"
__ASM_SEH(".seh_custom 0xee,0x02\n\t") /* MSFT_OP_CONTEXT */
__ASM_SEH(".seh_endprologue\n\t")
__ASM_CFI(".cfi_def_cfa 13, 0\n\t")
__ASM_CFI(".cfi_escape 0x0f,0x04,0x7d,0xb8,0x00,0x06\n\t") /* DW_CFA_def_cfa_expression: DW_OP_breg13 + 56, DW_OP_deref */
__ASM_CFI(".cfi_escape 0x10,0x04,0x02,0x7d,0x14\n\t") /* DW_CFA_expression: R4 DW_OP_breg13 + 20 */
__ASM_CFI(".cfi_escape 0x10,0x05,0x02,0x7d,0x18\n\t") /* DW_CFA_expression: R5 DW_OP_breg13 + 24 */
__ASM_CFI(".cfi_escape 0x10,0x06,0x02,0x7d,0x1c\n\t") /* DW_CFA_expression: R6 DW_OP_breg13 + 28 */
__ASM_CFI(".cfi_escape 0x10,0x07,0x02,0x7d,0x20\n\t") /* DW_CFA_expression: R7 DW_OP_breg13 + 32 */
__ASM_CFI(".cfi_escape 0x10,0x08,0x02,0x7d,0x24\n\t") /* DW_CFA_expression: R8 DW_OP_breg13 + 36 */
__ASM_CFI(".cfi_escape 0x10,0x09,0x02,0x7d,0x28\n\t") /* DW_CFA_expression: R9 DW_OP_breg13 + 40 */
__ASM_CFI(".cfi_escape 0x10,0x0a,0x02,0x7d,0x2c\n\t") /* DW_CFA_expression: R10 DW_OP_breg13 + 44 */
__ASM_CFI(".cfi_escape 0x10,0x0b,0x02,0x7d,0x30\n\t") /* DW_CFA_expression: R11 DW_OP_breg13 + 48 */
__ASM_CFI(".cfi_escape 0x10,0x0e,0x03,0x7d,0xc0,0x00\n\t") /* DW_CFA_expression: LR DW_OP_breg13 + 64 (PC) */
/* Libunwind doesn't support the registers D8-D15 like this */
#if 0
__ASM_CFI(".cfi_escape 0x10,0x88,0x02,0x03,0x7d,0x90,0x01\n\t") /* DW_CFA_expression: D8 DW_OP_breg13 + 144 */
__ASM_CFI(".cfi_escape 0x10,0x89,0x02,0x03,0x7d,0x98,0x01\n\t") /* DW_CFA_expression: D9 DW_OP_breg13 + 152 */
__ASM_CFI(".cfi_escape 0x10,0x8a,0x02,0x03,0x7d,0xa0,0x01\n\t") /* DW_CFA_expression: D10 DW_OP_breg13 + 160 */
__ASM_CFI(".cfi_escape 0x10,0x8b,0x02,0x03,0x7d,0xa8,0x01\n\t") /* DW_CFA_expression: D11 DW_OP_breg13 + 168 */
__ASM_CFI(".cfi_escape 0x10,0x8c,0x02,0x03,0x7d,0xb0,0x01\n\t") /* DW_CFA_expression: D12 DW_OP_breg13 + 176 */
__ASM_CFI(".cfi_escape 0x10,0x8d,0x02,0x03,0x7d,0xb8,0x01\n\t") /* DW_CFA_expression: D13 DW_OP_breg13 + 184 */
__ASM_CFI(".cfi_escape 0x10,0x8e,0x02,0x03,0x7d,0xc0,0x01\n\t") /* DW_CFA_expression: D14 DW_OP_breg13 + 192 */
__ASM_CFI(".cfi_escape 0x10,0x8f,0x02,0x03,0x7d,0xc8,0x01\n\t") /* DW_CFA_expression: D15 DW_OP_breg13 + 200 */
#endif
/* These EHABI opcodes are to be read bottom up - they
* restore relevant registers from the CONTEXT. */
__ASM_EHABI(".save {sp}\n\t") /* Restore Sp last */
__ASM_EHABI(".pad #-(0x80 + 0x0c + 0x0c)\n\t") /* Move back across D0-D15, Cpsr, Fpscr, Padding, Pc, Lr and Sp */
__ASM_EHABI(".vsave {d8-d15}\n\t")
__ASM_EHABI(".pad #0x40\n\t") /* Skip past D0-D7 */
__ASM_EHABI(".pad #0x0c\n\t") /* Skip past Cpsr, Fpscr and Padding */
__ASM_EHABI(".save {lr, pc}\n\t")
__ASM_EHABI(".pad #0x08\n\t") /* Skip past R12 and Sp - Sp is restored last */
__ASM_EHABI(".save {r4-r11}\n\t")
__ASM_EHABI(".pad #0x14\n\t") /* Skip past ContextFlags and R0-R3 */
".seh_custom 0xee,0x02\n\t" /* MSFT_OP_CONTEXT */
".seh_endprologue\n\t"
"ldrd r1, r2, [sp, #0x1a4]\n\t"
"mov r0, r2\n\t"
"blx r1\n\t"
@ -751,21 +658,8 @@ extern LONG __C_ExecuteExceptionFilter(PEXCEPTION_POINTERS ptrs, PVOID frame,
PUCHAR nonvolatile);
__ASM_GLOBAL_FUNC( __C_ExecuteExceptionFilter,
"push {r4-r11,lr}\n\t"
__ASM_EHABI(".save {r4-r11,lr}\n\t")
__ASM_SEH(".seh_save_regs_w {r4-r11,lr}\n\t")
__ASM_SEH(".seh_endprologue\n\t")
__ASM_CFI(".cfi_def_cfa 13, 36\n\t")
__ASM_CFI(".cfi_offset r4, -36\n\t")
__ASM_CFI(".cfi_offset r5, -32\n\t")
__ASM_CFI(".cfi_offset r6, -28\n\t")
__ASM_CFI(".cfi_offset r7, -24\n\t")
__ASM_CFI(".cfi_offset r8, -20\n\t")
__ASM_CFI(".cfi_offset r9, -16\n\t")
__ASM_CFI(".cfi_offset r10, -12\n\t")
__ASM_CFI(".cfi_offset r11, -8\n\t")
__ASM_CFI(".cfi_offset lr, -4\n\t")
".seh_save_regs_w {r4-r11,lr}\n\t"
".seh_endprologue\n\t"
"ldm r3, {r4-r11,lr}\n\t"
"blx r2\n\t"
"pop {r4-r11,pc}\n\t" )
@ -864,14 +758,10 @@ EXCEPTION_DISPOSITION WINAPI __C_specific_handler( EXCEPTION_RECORD *rec,
*/
__ASM_GLOBAL_FUNC( RtlRaiseException,
"push {r0, lr}\n\t"
__ASM_EHABI(".save {r0, lr}\n\t")
__ASM_SEH(".seh_save_regs {r0, lr}\n\t")
".seh_save_regs {r0, lr}\n\t"
"sub sp, sp, #0x1a0\n\t" /* sizeof(CONTEXT) */
__ASM_EHABI(".pad #0x1a0\n\t")
__ASM_SEH(".seh_stackalloc 0x1a0\n\t")
__ASM_SEH(".seh_endprologue\n\t")
__ASM_CFI(".cfi_adjust_cfa_offset 424\n\t")
__ASM_CFI(".cfi_offset lr, -4\n\t")
".seh_stackalloc 0x1a0\n\t"
".seh_endprologue\n\t"
"mov r0, sp\n\t" /* context */
"bl " __ASM_NAME("RtlCaptureContext") "\n\t"
"ldr r0, [sp, #0x1a0]\n\t" /* rec */