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wine
wine-winehq
Commits
cfaf0994
Commit
cfaf0994
authored
Sep 19, 2023
by
Alexandre Julliard
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winebuild: Make the syscall thunks position-independent on ARM64.
parent
40c1c498
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1 changed file
with
4 additions
and
9 deletions
+4
-9
import.c
tools/winebuild/import.c
+4
-9
No files found.
tools/winebuild/import.c
View file @
cfaf0994
...
...
@@ -1484,8 +1484,11 @@ void output_syscalls( DLLSPEC *spec )
output_seh
(
".seh_endprologue"
);
output
(
"
\t
mov x8, #%u
\n
"
,
id
);
output
(
"
\t
mov x9, x30
\n
"
);
output
(
"
\t
bl %s
\n
"
,
asm_name
(
"__wine_syscall"
));
output
(
"
\t
ldr x16, 1f
\n
"
);
output
(
"
\t
ldr x16, [x16]
\n
"
);
output
(
"
\t
blr x16
\n
"
);
output
(
"
\t
ret
\n
"
);
output
(
"1:
\t
.quad %s
\n
"
,
asm_name
(
"__wine_syscall_dispatcher"
)
);
output_seh
(
".seh_endproc"
);
break
;
default:
...
...
@@ -1523,14 +1526,6 @@ void output_syscalls( DLLSPEC *spec )
if
(
UsePIC
)
output
(
"2:
\t
.long %s-1b-%u
\n
"
,
asm_name
(
"__wine_syscall_dispatcher"
),
thumb_mode
?
4
:
8
);
output_function_size
(
"__wine_syscall"
);
break
;
case
CPU_ARM64
:
output
(
"
\t
.align %d
\n
"
,
get_alignment
(
16
)
);
output
(
"
\t
%s
\n
"
,
func_declaration
(
"__wine_syscall"
)
);
output
(
"%s:
\n
"
,
asm_name
(
"__wine_syscall"
)
);
output
(
"
\t
adrp x16, %s
\n
"
,
arm64_page
(
asm_name
(
"__wine_syscall_dispatcher"
)
)
);
output
(
"
\t
ldr x16, [x16, #%s]
\n
"
,
arm64_pageoff
(
asm_name
(
"__wine_syscall_dispatcher"
)
)
);
output
(
"
\t
br x16
\n
"
);
output_function_size
(
"__wine_syscall"
);
default:
break
;
}
...
...
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