HP-UX libunwind uses the sign of error code to indicate whether the operation was successful; however, LLVM always returns positive error codes.
Normalise the sign of the error code so that it handles all flavours of libunwind.
Signed-off-by: Jinoh Kang jinoh.kang.kr@gmail.com --- dlls/ntdll/unix/signal_arm.c | 5 +++-- dlls/ntdll/unix/signal_arm64.c | 5 +++-- dlls/ntdll/unix/signal_x86_64.c | 1 + 3 files changed, 7 insertions(+), 4 deletions(-)
diff --git a/dlls/ntdll/unix/signal_arm.c b/dlls/ntdll/unix/signal_arm.c index f4987f902e0..48c2bc159b5 100644 --- a/dlls/ntdll/unix/signal_arm.c +++ b/dlls/ntdll/unix/signal_arm.c @@ -248,12 +248,13 @@ NTSTATUS CDECL unwind_builtin_dll( ULONG type, struct _DISPATCHER_CONTEXT *dispa return STATUS_INVALID_DISPOSITION; } rc = unw_get_proc_info( &cursor, &info ); - if (rc != UNW_ESUCCESS && rc != -UNW_ENOINFO) + if (rc < 0) rc = -rc; /* libunwind may return negative error codes */ + if (rc != UNW_ESUCCESS && rc != UNW_ENOINFO) { WARN( "failed to get info: %d\n", rc ); return STATUS_INVALID_DISPOSITION; } - if (rc == -UNW_ENOINFO || ip < info.start_ip || ip > info.end_ip) + if (rc == UNW_ENOINFO || ip < info.start_ip || ip > info.end_ip) { NTSTATUS status = context->Pc != context->Lr ? STATUS_SUCCESS : STATUS_INVALID_DISPOSITION; diff --git a/dlls/ntdll/unix/signal_arm64.c b/dlls/ntdll/unix/signal_arm64.c index ae44fb02982..4cdbd888bf0 100644 --- a/dlls/ntdll/unix/signal_arm64.c +++ b/dlls/ntdll/unix/signal_arm64.c @@ -212,12 +212,13 @@ NTSTATUS CDECL unwind_builtin_dll( ULONG type, DISPATCHER_CONTEXT *dispatch, CON return STATUS_INVALID_DISPOSITION; } rc = unw_get_proc_info( &cursor, &info ); - if (rc != UNW_ESUCCESS && rc != -UNW_ENOINFO) + if (rc < 0) rc = -rc; /* libunwind may return negative error codes */ + if (rc != UNW_ESUCCESS && rc != UNW_ENOINFO) { WARN( "failed to get info: %d\n", rc ); return STATUS_INVALID_DISPOSITION; } - if (rc == -UNW_ENOINFO || ip < info.start_ip || ip > info.end_ip) + if (rc == UNW_ENOINFO || ip < info.start_ip || ip > info.end_ip) { TRACE( "no info found for %lx ip %lx-%lx, assuming leaf function\n", ip, info.start_ip, info.end_ip ); diff --git a/dlls/ntdll/unix/signal_x86_64.c b/dlls/ntdll/unix/signal_x86_64.c index 3d7b8e256b4..d1e2e27c46c 100644 --- a/dlls/ntdll/unix/signal_x86_64.c +++ b/dlls/ntdll/unix/signal_x86_64.c @@ -1415,6 +1415,7 @@ static NTSTATUS libunwind_virtual_unwind( ULONG64 ip, ULONG64 *frame, CONTEXT *c *frame = context->Rsp;
rc = unw_get_proc_info(&cursor, &info); + if (rc < 0) rc = -rc; /* libunwind may return negative error codes */ if (rc != UNW_ESUCCESS && rc != UNW_ENOINFO) { WARN( "failed to get info: %d\n", rc );
-
Jinoh Kang