Martin Storsjo : winebuild: Add unwind info to arm64 syscall stubs.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 559d502699a477c00944284bb9ef7677ce6b8f18
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=559d502699a477c00944284bb9ef7677ce6b8f18

Author: Martin Storsjo <martin at martin.st>
Date:   Tue Sep 29 09:21:53 2020 +0300

winebuild: Add unwind info to arm64 syscall stubs.

Signed-off-by: Martin Storsjo <martin at martin.st>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 tools/winebuild/import.c | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/tools/winebuild/import.c b/tools/winebuild/import.c
index 461f1851d6..0369efa803 100644
--- a/tools/winebuild/import.c
+++ b/tools/winebuild/import.c
@@ -1604,12 +1604,26 @@ void output_syscalls( DLLSPEC *spec )
             output( "\tcmp x8, %u\n", count );
             output( "\tbcs 3f\n" );
             output( "\tstp x29, x30, [sp,#-160]!\n" );
+            output_cfi( "\t.cfi_def_cfa_offset 160\n" );
+            output_cfi( "\t.cfi_offset 29, -160\n" );
+            output_cfi( "\t.cfi_offset 30, -152\n" );
             output( "\tmov x29, sp\n" );
+            output_cfi( "\t.cfi_def_cfa_register 29\n" );
             output( "\tstp x27, x28, [sp, #144]\n" );
+            output_cfi( "\t.cfi_offset 27, -16\n" );
+            output_cfi( "\t.cfi_offset 28, -8\n" );
             output( "\tstp x25, x26, [sp, #128]\n" );
+            output_cfi( "\t.cfi_offset 25, -32\n" );
+            output_cfi( "\t.cfi_offset 26, -24\n" );
             output( "\tstp x23, x24, [sp, #112]\n" );
+            output_cfi( "\t.cfi_offset 23, -48\n" );
+            output_cfi( "\t.cfi_offset 24, -40\n" );
             output( "\tstp x21, x22, [sp, #96]\n" );
+            output_cfi( "\t.cfi_offset 21, -64\n" );
+            output_cfi( "\t.cfi_offset 22, -56\n" );
             output( "\tstp x19, x20, [sp, #80]\n" );
+            output_cfi( "\t.cfi_offset 19, -80\n" );
+            output_cfi( "\t.cfi_offset 20, -72\n" );
             output( "\tstp x6, x7, [sp, #64]\n" );
             output( "\tstp x4, x5, [sp, #48]\n" );
             output( "\tstp x2, x3, [sp, #32]\n" );
@@ -1735,6 +1749,9 @@ void output_syscalls( DLLSPEC *spec )
             break;
         case CPU_ARM64:
             output( "\tstp x29, x30, [sp,#-16]!\n" );
+            output_cfi( "\t.cfi_def_cfa_offset 16\n" );
+            output_cfi( "\t.cfi_offset 29, -16\n" );
+            output_cfi( "\t.cfi_offset 30, -8\n" );
             output( "\tmov x8, #%u\n", i );
             output( "\tadrp x16, %s\n", arm64_page( asm_name("__wine_syscall_dispatcher") ) );
             output( "\tldr x16, [x16, #%s]\n", arm64_pageoff( asm_name("__wine_syscall_dispatcher") ) );