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ntdll: Add a syscall_cfa member to the ARM64 syscall frame.

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This commit is contained in:
Alexandre Julliard 2023-11-20 09:59:32 +01:00
parent df181df8ee
commit e07d536d83
1 changed files with 74 additions and 17 deletions
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91
dlls/ntdll/unix/signal_arm64.c
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@ -137,7 +137,7 @@ struct syscall_frame
ULONG cpsr; /* 108 */ ULONG cpsr; /* 108 */
ULONG restore_flags; /* 10c */ ULONG restore_flags; /* 10c */
struct syscall_frame *prev_frame; /* 110 */ struct syscall_frame *prev_frame; /* 110 */
void *unused; /* 118 */ void *syscall_cfa; /* 118 */
ULONG64 align; /* 120 */ ULONG64 align; /* 120 */
ULONG fpcr; /* 128 */ ULONG fpcr; /* 128 */
ULONG fpsr; /* 12c */ ULONG fpsr; /* 12c */
@ -1111,12 +1111,26 @@ extern NTSTATUS call_user_mode_callback( ULONG id, void *args, ULONG len, void *
ULONG *ret_len, void *func, TEB *teb ); ULONG *ret_len, void *func, TEB *teb );
__ASM_GLOBAL_FUNC( call_user_mode_callback, __ASM_GLOBAL_FUNC( call_user_mode_callback,
"stp x29, x30, [sp,#-0xc0]!\n\t" "stp x29, x30, [sp,#-0xc0]!\n\t"
__ASM_CFI(".cfi_def_cfa_offset 0xc0\n\t")
__ASM_CFI(".cfi_offset 29,-0xc0\n\t")
__ASM_CFI(".cfi_offset 30,-0xb8\n\t")
"mov x29, sp\n\t" "mov x29, sp\n\t"
__ASM_CFI(".cfi_def_cfa_register 29\n\t")
"stp x19, x20, [x29, #0x10]\n\t" "stp x19, x20, [x29, #0x10]\n\t"
__ASM_CFI(".cfi_rel_offset 19,0x10\n\t")
__ASM_CFI(".cfi_rel_offset 20,0x18\n\t")
"stp x21, x22, [x29, #0x20]\n\t" "stp x21, x22, [x29, #0x20]\n\t"
__ASM_CFI(".cfi_rel_offset 21,0x20\n\t")
__ASM_CFI(".cfi_rel_offset 22,0x28\n\t")
"stp x23, x24, [x29, #0x30]\n\t" "stp x23, x24, [x29, #0x30]\n\t"
__ASM_CFI(".cfi_rel_offset 23,0x30\n\t")
__ASM_CFI(".cfi_rel_offset 24,0x38\n\t")
"stp x25, x26, [x29, #0x40]\n\t" "stp x25, x26, [x29, #0x40]\n\t"
__ASM_CFI(".cfi_rel_offset 25,0x40\n\t")
__ASM_CFI(".cfi_rel_offset 26,0x48\n\t")
"stp x27, x28, [x29, #0x50]\n\t" "stp x27, x28, [x29, #0x50]\n\t"
__ASM_CFI(".cfi_rel_offset 27,0x50\n\t")
__ASM_CFI(".cfi_rel_offset 28,0x58\n\t")
"stp d8, d9, [x29, #0x60]\n\t" "stp d8, d9, [x29, #0x60]\n\t"
"stp d10, d11, [x29, #0x70]\n\t" "stp d10, d11, [x29, #0x70]\n\t"
"stp d12, d13, [x29, #0x80]\n\t" "stp d12, d13, [x29, #0x80]\n\t"
@ -1132,9 +1146,10 @@ __ASM_GLOBAL_FUNC( call_user_mode_callback,
"ldr x7, [x18, #0x2f8]\n\t" /* arm64_thread_data()->syscall_frame */ "ldr x7, [x18, #0x2f8]\n\t" /* arm64_thread_data()->syscall_frame */
"sub x3, sp, #0x330\n\t" /* sizeof(struct syscall_frame) */ "sub x3, sp, #0x330\n\t" /* sizeof(struct syscall_frame) */
"str x3, [x18, #0x2f8]\n\t" /* arm64_thread_data()->syscall_frame */ "str x3, [x18, #0x2f8]\n\t" /* arm64_thread_data()->syscall_frame */
"add x8, x29, #0xc0\n\t"
"stp x7, x8, [x3, #0x110]\n\t" /* frame->prev_frame,syscall_cfa */
/* switch to user stack */ /* switch to user stack */
"mov sp, x1\n\t" /* stack */ "mov sp, x1\n\t" /* stack */
"str x7, [x3, #0x110]\n\t" /* frame->prev_frame */
"br x5" ) "br x5" )
@ -1145,19 +1160,42 @@ extern void DECLSPEC_NORETURN user_mode_callback_return( void *ret_ptr, ULONG re
NTSTATUS status, TEB *teb ); NTSTATUS status, TEB *teb );
__ASM_GLOBAL_FUNC( user_mode_callback_return, __ASM_GLOBAL_FUNC( user_mode_callback_return,
"ldr x4, [x3, #0x2f8]\n\t" /* arm64_thread_data()->syscall_frame */ "ldr x4, [x3, #0x2f8]\n\t" /* arm64_thread_data()->syscall_frame */
"ldr x5, [x4, #0x110]\n\t" /* prev_frame */ "ldp x5, x29, [x4,#0x110]\n\t" /* prev_frame,syscall_cfa */
"str x5, [x3, #0x2f8]\n\t" /* arm64_thread_data()->syscall_frame */ "str x5, [x3, #0x2f8]\n\t" /* arm64_thread_data()->syscall_frame */
"add x29, x4, #0x330\n\t" /* sizeof(struct syscall_frame) */ "sub x29, x29, #0xc0\n\t"
__ASM_CFI(".cfi_def_cfa_register 29\n\t")
__ASM_CFI(".cfi_rel_offset 29,0x00\n\t")
__ASM_CFI(".cfi_rel_offset 30,0x08\n\t")
__ASM_CFI(".cfi_rel_offset 19,0x10\n\t")
__ASM_CFI(".cfi_rel_offset 20,0x18\n\t")
__ASM_CFI(".cfi_rel_offset 21,0x20\n\t")
__ASM_CFI(".cfi_rel_offset 22,0x28\n\t")
__ASM_CFI(".cfi_rel_offset 23,0x30\n\t")
__ASM_CFI(".cfi_rel_offset 24,0x38\n\t")
__ASM_CFI(".cfi_rel_offset 25,0x40\n\t")
__ASM_CFI(".cfi_rel_offset 26,0x48\n\t")
__ASM_CFI(".cfi_rel_offset 27,0x50\n\t")
__ASM_CFI(".cfi_rel_offset 28,0x58\n\t")
"ldp x5, x6, [x29, #0xb0]\n\t" "ldp x5, x6, [x29, #0xb0]\n\t"
"str x6, [x3]\n\t" /* teb->Tib.ExceptionList */ "str x6, [x3]\n\t" /* teb->Tib.ExceptionList */
"msr fpcr, x5\n\t" "msr fpcr, x5\n\t"
"lsr x5, x5, #32\n\t" "lsr x5, x5, #32\n\t"
"msr fpsr, x5\n\t" "msr fpsr, x5\n\t"
"ldp x19, x20, [x29, #0x10]\n\t" "ldp x19, x20, [x29, #0x10]\n\t"
__ASM_CFI(".cfi_same_value 19\n\t")
__ASM_CFI(".cfi_same_value 20\n\t")
"ldp x21, x22, [x29, #0x20]\n\t" "ldp x21, x22, [x29, #0x20]\n\t"
__ASM_CFI(".cfi_same_value 21\n\t")
__ASM_CFI(".cfi_same_value 22\n\t")
"ldp x23, x24, [x29, #0x30]\n\t" "ldp x23, x24, [x29, #0x30]\n\t"
__ASM_CFI(".cfi_same_value 23\n\t")
__ASM_CFI(".cfi_same_value 24\n\t")
"ldp x25, x26, [x29, #0x40]\n\t" "ldp x25, x26, [x29, #0x40]\n\t"
__ASM_CFI(".cfi_same_value 25\n\t")
__ASM_CFI(".cfi_same_value 26\n\t")
"ldp x27, x28, [x29, #0x50]\n\t" "ldp x27, x28, [x29, #0x50]\n\t"
__ASM_CFI(".cfi_same_value 27\n\t")
__ASM_CFI(".cfi_same_value 28\n\t")
"ldp d8, d9, [x29, #0x60]\n\t" "ldp d8, d9, [x29, #0x60]\n\t"
"ldp d10, d11, [x29, #0x70]\n\t" "ldp d10, d11, [x29, #0x70]\n\t"
"ldp d12, d13, [x29, #0x80]\n\t" "ldp d12, d13, [x29, #0x80]\n\t"
@ -1604,10 +1642,9 @@ void syscall_dispatcher_return_slowpath(void)
/*********************************************************************** /***********************************************************************
* call_init_thunk * call_init_thunk
*/ */
void call_init_thunk( LPTHREAD_START_ROUTINE entry, void *arg, BOOL suspend, TEB *teb ) void call_init_thunk( LPTHREAD_START_ROUTINE entry, void *arg, BOOL suspend, TEB *teb,
struct syscall_frame *frame, void *syscall_cfa )
{ {
struct arm64_thread_data *thread_data = (struct arm64_thread_data *)&teb->GdiTebBatch;
struct syscall_frame *frame = thread_data->syscall_frame;
CONTEXT *ctx, context = { CONTEXT_ALL }; CONTEXT *ctx, context = { CONTEXT_ALL };
I386_CONTEXT *i386_context; I386_CONTEXT *i386_context;
ARM_CONTEXT *arm_context; ARM_CONTEXT *arm_context;
@ -1659,8 +1696,8 @@ void call_init_thunk( LPTHREAD_START_ROUTINE entry, void *arg, BOOL suspend, TEB
frame->pc = (ULONG64)pLdrInitializeThunk; frame->pc = (ULONG64)pLdrInitializeThunk;
frame->x[0] = (ULONG64)ctx; frame->x[0] = (ULONG64)ctx;
frame->x[18] = (ULONG64)teb; frame->x[18] = (ULONG64)teb;
frame->prev_frame = NULL;
frame->restore_flags |= CONTEXT_INTEGER; frame->restore_flags |= CONTEXT_INTEGER;
frame->syscall_cfa = syscall_cfa;
syscall_frame_fixup_for_fastpath( frame ); syscall_frame_fixup_for_fastpath( frame );
pthread_sigmask( SIG_UNBLOCK, &server_block_set, NULL ); pthread_sigmask( SIG_UNBLOCK, &server_block_set, NULL );
@ -1672,29 +1709,49 @@ void call_init_thunk( LPTHREAD_START_ROUTINE entry, void *arg, BOOL suspend, TEB
* signal_start_thread * signal_start_thread
*/ */
__ASM_GLOBAL_FUNC( signal_start_thread, __ASM_GLOBAL_FUNC( signal_start_thread,
"stp x29, x30, [sp,#-16]!\n\t" "stp x29, x30, [sp,#-0xc0]!\n\t"
/* store exit frame */ __ASM_CFI(".cfi_def_cfa_offset 0xc0\n\t")
__ASM_CFI(".cfi_offset 29,-0xc0\n\t")
__ASM_CFI(".cfi_offset 30,-0xb8\n\t")
"mov x29, sp\n\t" "mov x29, sp\n\t"
__ASM_CFI(".cfi_def_cfa_register 29\n\t")
"stp x19, x20, [x29, #0x10]\n\t"
__ASM_CFI(".cfi_rel_offset 19,0x10\n\t")
__ASM_CFI(".cfi_rel_offset 20,0x18\n\t")
"stp x21, x22, [x29, #0x20]\n\t"
__ASM_CFI(".cfi_rel_offset 21,0x20\n\t")
__ASM_CFI(".cfi_rel_offset 22,0x28\n\t")
"stp x23, x24, [x29, #0x30]\n\t"
__ASM_CFI(".cfi_rel_offset 23,0x30\n\t")
__ASM_CFI(".cfi_rel_offset 24,0x38\n\t")
"stp x25, x26, [x29, #0x40]\n\t"
__ASM_CFI(".cfi_rel_offset 25,0x40\n\t")
__ASM_CFI(".cfi_rel_offset 26,0x48\n\t")
"stp x27, x28, [x29, #0x50]\n\t"
__ASM_CFI(".cfi_rel_offset 27,0x50\n\t")
__ASM_CFI(".cfi_rel_offset 28,0x58\n\t")
"add x5, x29, #0xc0\n\t" /* syscall_cfa */
/* store exit frame */
"str x29, [x3, #0x2f0]\n\t" /* arm64_thread_data()->exit_frame */ "str x29, [x3, #0x2f0]\n\t" /* arm64_thread_data()->exit_frame */
/* set syscall frame */ /* set syscall frame */
"ldr x8, [x3, #0x2f8]\n\t" /* arm64_thread_data()->syscall_frame */ "ldr x4, [x3, #0x2f8]\n\t" /* arm64_thread_data()->syscall_frame */
"cbnz x8, 1f\n\t" "cbnz x4, 1f\n\t"
"sub x8, sp, #0x330\n\t" /* sizeof(struct syscall_frame) */ "sub x4, sp, #0x330\n\t" /* sizeof(struct syscall_frame) */
"str x8, [x3, #0x2f8]\n\t" /* arm64_thread_data()->syscall_frame */ "str x4, [x3, #0x2f8]\n\t" /* arm64_thread_data()->syscall_frame */
/* switch to kernel stack */ /* switch to kernel stack */
"1:\tmov sp, x8\n\t" "1:\tmov sp, x4\n\t"
"bl " __ASM_NAME("call_init_thunk") ) "bl " __ASM_NAME("call_init_thunk") )
/*********************************************************************** /***********************************************************************
* signal_exit_thread * signal_exit_thread
*/ */
__ASM_GLOBAL_FUNC( signal_exit_thread, __ASM_GLOBAL_FUNC( signal_exit_thread,
"stp x29, x30, [sp,#-16]!\n\t" "stp x29, x30, [sp,#-0xc0]!\n\t"
"ldr x3, [x2, #0x2f0]\n\t" /* arm64_thread_data()->exit_frame */ "ldr x3, [x2, #0x2f0]\n\t" /* arm64_thread_data()->exit_frame */
"str xzr, [x2, #0x2f0]\n\t" "str xzr, [x2, #0x2f0]\n\t"
"cbz x3, 1f\n\t" "cbz x3, 1f\n\t"
"mov sp, x3\n" "mov sp, x3\n"
"1:\tldp x29, x30, [sp], #16\n\t" "1:\tldp x29, x30, [sp], #0xc0\n\t"
"br x1" ) "br x1" )