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winebuild: Restore x86_64 FPU context and nonvolatile registers in syscall dispatcher. 

Signed-off-by: Jacek Caban <jacek@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Jacek Caban 2021-02-15 21:59:16 +01:00 committed by Alexandre Julliard
parent 9b6f715b28
commit be8729c9f5
2 changed files with 10 additions and 1 deletions
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1
dlls/ntdll/unix/signal_x86_64.c
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@ -2152,6 +2152,7 @@ __ASM_GLOBAL_FUNC( call_raise_user_exception_dispatcher,
"movq 0x8(%rax),%rbx\n\t" /* frame->rbx */
"movq 0x20(%rax),%rsi\n\t" /* frame->rsi */
"movq 0x28(%rax),%rdi\n\t" /* frame->rdi */
"movq 0x50(%rax),%r12\n\t" /* frame->r12 */
"movq 0x98(%rax),%rbp\n\t" /* frame->rbp */
"movq $0,0x328(%rdx)\n\t"
"leaq 0xa8(%rax),%rsp\n\t"

10
tools/winebuild/import.c
View File

@ -1519,6 +1519,7 @@ void output_syscalls( DLLSPEC *spec )
output( "\tmovq %%rdi,-0x70(%%rbp)\n" );
output_cfi( ".cfi_rel_offset %%rdi,-112" );
output( "\tmovq %%r12,-0x48(%%rbp)\n" );
output_cfi( ".cfi_rel_offset %%r12,-72" );
output( "\tmovq %%r13,-0x40(%%rbp)\n" );
output( "\tmovq %%r14,-0x38(%%rbp)\n" );
output( "\tmovq %%r15,-0x30(%%rbp)\n" );
@ -1535,7 +1536,8 @@ void output_syscalls( DLLSPEC *spec )
output( "\tmovw %%fs,-0x1a(%%rbp)\n" );
output( "\tmovw %%ss,-0x8(%%rbp)\n" );
output( "\tmovw %%gs,-0x6(%%rbp)\n" );
output( "\tfxsave64 (%%rsp)\n" );
output( "\tmovq %%rsp,%%r12\n" );
output( "\tfxsave64 (%%r12)\n" );
output( "\tmovq %%gs:0x30,%%rcx\n" );
output( "\tleaq -0x98(%%rbp),%%rbx\n" );
output( "\tmovq %%rbx,0x328(%%rcx)\n" ); /* amd64_thread_data()->syscall_frame */
@ -1558,6 +1560,12 @@ void output_syscalls( DLLSPEC *spec )
output( "\tcallq *(%%r10,%%rax,8)\n" );
output( "2:\tmovq %%gs:0x30,%%rcx\n" );
output( "\tmovq $0,0x328(%%rcx)\n" );
output( "\tfxrstor64 (%%r12)\n" );
output( "\tmovq -0x30(%%rbp),%%r15\n" );
output( "\tmovq -0x38(%%rbp),%%r14\n" );
output( "\tmovq -0x40(%%rbp),%%r13\n" );
output( "\tmovq -0x48(%%rbp),%%r12\n" );
output_cfi( ".cfi_same_value %%r12" );
output( "\tmovq -0x70(%%rbp),%%rdi\n" );
output_cfi( ".cfi_same_value %%rdi" );
output( "\tmovq -0x78(%%rbp),%%rsi\n" );