[PATCH v5 05/14] ntdll: Avoid double indirection to get x86_64 syscall_frame pointer.

[Rémi Bernon]

From: Rémi Bernon

---
 dlls/ntdll/unix/signal_x86_64.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/dlls/ntdll/unix/signal_x86_64.c b/dlls/ntdll/unix/signal_x86_64.c
index 9e4f4046d43..798de6d6c28 100644
--- a/dlls/ntdll/unix/signal_x86_64.c
+++ b/dlls/ntdll/unix/signal_x86_64.c
@@ -2605,8 +2605,12 @@ __ASM_GLOBAL_FUNC( signal_exit_thread,
  *           __wine_syscall_dispatcher
  */
 __ASM_GLOBAL_FUNC( __wine_syscall_dispatcher,
+#ifdef __linux__
+                   "movq %gs:0x328,%rcx\n\t"       /* amd64_thread_data()->syscall_frame */
+#else
                    "movq %gs:0x30,%rcx\n\t"
                    "movq 0x328(%rcx),%rcx\n\t"     /* amd64_thread_data()->syscall_frame */
+#endif
                    "popq 0x70(%rcx)\n\t"           /* frame->rip */
                    __ASM_CFI(".cfi_adjust_cfa_offset -8\n\t")
                    __ASM_CFI_REG_IS_AT2(rip, rcx, 0xf0,0x00)