Alexandre Julliard : ntdll: Save the context from the caller stack frame in RtlCaptureContext() on ARM64.
Module: wine Branch: master Commit: 1c9fdaab0f40040c4a18c0e3a65bc6be404c457e URL: https://source.winehq.org/git/wine.git/?a=commit;h=1c9fdaab0f40040c4a18c0e3a...
Author: Alexandre Julliard julliard@winehq.org Date: Tue Aug 13 14:52:23 2019 +0200
ntdll: Save the context from the caller stack frame in RtlCaptureContext() on ARM64.
Signed-off-by: Alexandre Julliard julliard@winehq.org
---
dlls/ntdll/signal_arm64.c | 67 ++++++++++++++++------------------------------- 1 file changed, 23 insertions(+), 44 deletions(-)
diff --git a/dlls/ntdll/signal_arm64.c b/dlls/ntdll/signal_arm64.c index b8591a3..648a140 100644 --- a/dlls/ntdll/signal_arm64.c +++ b/dlls/ntdll/signal_arm64.c @@ -219,52 +219,31 @@ static void restore_fpu( CONTEXT *context, ucontext_t *sigcontext ) /*********************************************************************** * RtlCaptureContext (NTDLL.@) */ -/* FIXME: Use the Stack instead of the actual register values? */ __ASM_STDCALL_FUNC( RtlCaptureContext, 8, - "stp x0, x1, [sp, #-32]!\n\t" - "mov w1, #0x400000\n\t" /* CONTEXT_ARM64 */ - "add w1, w1, #0x3\n\t" /* CONTEXT_FULL */ - "str w1, [x0]\n\t" /* context->ContextFlags */ /* 32-bit, look at cpsr */ + "stp x1, x2, [x0, #0x10]\n\t" /* context->X1,X2 */ + "stp x3, x4, [x0, #0x20]\n\t" /* context->X3,X4 */ + "stp x5, x6, [x0, #0x30]\n\t" /* context->X5,X6 */ + "stp x7, x8, [x0, #0x40]\n\t" /* context->X7,X8 */ + "stp x9, x10, [x0, #0x50]\n\t" /* context->X9,X10 */ + "stp x11, x12, [x0, #0x60]\n\t" /* context->X11,X12 */ + "stp x13, x14, [x0, #0x70]\n\t" /* context->X13,X14 */ + "stp x15, x16, [x0, #0x80]\n\t" /* context->X15,X16 */ + "stp x17, x18, [x0, #0x90]\n\t" /* context->X17,X18 */ + "stp x19, x20, [x0, #0xa0]\n\t" /* context->X19,X20 */ + "stp x21, x22, [x0, #0xb0]\n\t" /* context->X21,X22 */ + "stp x23, x24, [x0, #0xc0]\n\t" /* context->X23,X24 */ + "stp x25, x26, [x0, #0xd0]\n\t" /* context->X25,X26 */ + "stp x27, x28, [x0, #0xe0]\n\t" /* context->X27,X28 */ + "ldp x1, x2, [x29]\n\t" + "stp x1, x2, [x0, #0xf0]\n\t" /* context->Fp,Lr */ + "add x1, x29, #0x10\n\t" + "stp x1, x30, [x0, #0x100]\n\t" /* context->Sp,Pc */ + "mov w1, #0x400000\n\t" /* CONTEXT_ARM64 */ + "add w1, w1, #0x3\n\t" /* CONTEXT_FULL */ + "str w1, [x0]\n\t" /* context->ContextFlags */ "mrs x1, NZCV\n\t" - "str w1, [x0, #0x4]\n\t" /* context->Cpsr */ - "ldp x0, x1, [sp], #32\n\t" - "str x0, [x0, #0x8]\n\t" /* context->X0 */ - "str x1, [x0, #0x10]\n\t" /* context->X1 */ - "str x2, [x0, #0x18]\n\t" /* context->X2 */ - "str x3, [x0, #0x20]\n\t" /* context->X3 */ - "str x4, [x0, #0x28]\n\t" /* context->X4 */ - "str x5, [x0, #0x30]\n\t" /* context->X5 */ - "str x6, [x0, #0x38]\n\t" /* context->X6 */ - "str x7, [x0, #0x40]\n\t" /* context->X7 */ - "str x8, [x0, #0x48]\n\t" /* context->X8 */ - "str x9, [x0, #0x50]\n\t" /* context->X9 */ - "str x10, [x0, #0x58]\n\t" /* context->X10 */ - "str x11, [x0, #0x60]\n\t" /* context->X11 */ - "str x12, [x0, #0x68]\n\t" /* context->X12 */ - "str x13, [x0, #0x70]\n\t" /* context->X13 */ - "str x14, [x0, #0x78]\n\t" /* context->X14 */ - "str x15, [x0, #0x80]\n\t" /* context->X15 */ - "str x16, [x0, #0x88]\n\t" /* context->X16 */ - "str x17, [x0, #0x90]\n\t" /* context->X17 */ - "str x18, [x0, #0x98]\n\t" /* context->X18 */ - "str x19, [x0, #0xa0]\n\t" /* context->X19 */ - "str x20, [x0, #0xa8]\n\t" /* context->X20 */ - "str x21, [x0, #0xb0]\n\t" /* context->X21 */ - "str x22, [x0, #0xb8]\n\t" /* context->X22 */ - "str x23, [x0, #0xc0]\n\t" /* context->X23 */ - "str x24, [x0, #0xc8]\n\t" /* context->X24 */ - "str x25, [x0, #0xd0]\n\t" /* context->X25 */ - "str x26, [x0, #0xd8]\n\t" /* context->X26 */ - "str x27, [x0, #0xe0]\n\t" /* context->X27 */ - "str x28, [x0, #0xe8]\n\t" /* context->X28 */ - "str x29, [x0, #0xf0]\n\t" /* context->Fp */ - "str x30, [x0, #0xf8]\n\t" /* context->Lr */ - "mov x1, sp\n\t" - "str x1, [x0, #0x100]\n\t" /* context->Sp */ - "adr x1, 1f\n\t" - "1: str x1, [x0, #0x108]\n\t" /* context->Pc */ - "ret" - ) + "str w1, [x0, #0x4]\n\t" /* context->Cpsr */ + "ret" )
/*********************************************************************** * set_cpu_context
-
Alexandre Julliard