winebuild: Restore all x86_64 control registers in syscall dispatcher.

Signed-off-by: Jacek Caban <jacek@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

winebuild: Restore all x86_64 control registers in syscall dispatcher.
9b6f715b · Jacek Caban · Alexandre Julliard · b817eb3e · 9b6f715b
Commit 9b6f715b authored Feb 15, 2021 by Jacek Caban Committed by Alexandre Julliard Feb 17, 2021
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import.c tools/winebuild/import.c +4 -3

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--- a/tools/winebuild/import.c
+++ b/tools/winebuild/import.c
@@ -1564,11 +1564,12 @@ void output_syscalls( DLLSPEC *spec )
            output_cfi( ".cfi_same_value %%rsi" );
            output( "\tmovq -0x90(%%rbp),%%rbx\n" );
            output_cfi( ".cfi_same_value %%rbx" );
+            output( "\tleaq -0x28(%%rbp),%%rsp\n" );
            output_cfi( ".cfi_def_cfa_register %%rsp" );
-            output( "\tleave\n" );
-            output_cfi( ".cfi_adjust_cfa_offset -8" );
+            output_cfi( ".cfi_adjust_cfa_offset 40" );
+            output( "\tmovq (%%rbp),%%rbp\n" );
            output_cfi( ".cfi_same_value %%rbp" );
-            output( "\tret\n" );
+            output( "\tiretq\n" );
            output( "3:\tmovl $0x%x,%%eax\n", invalid_param );
            output( "\tjmp 2b\n" );
            break;