diff options
Diffstat (limited to 'library/unwind/src/libunwind.rs')
| -rw-r--r-- | library/unwind/src/libunwind.rs | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/library/unwind/src/libunwind.rs b/library/unwind/src/libunwind.rs index 62165f8a200..1a640bbde71 100644 --- a/library/unwind/src/libunwind.rs +++ b/library/unwind/src/libunwind.rs @@ -218,36 +218,38 @@ if #[cfg(any(target_vendor = "apple", target_os = "netbsd", not(target_arch = "a pub unsafe fn _Unwind_GetGR(ctx: *mut _Unwind_Context, reg_index: c_int) -> _Unwind_Word { let mut val: _Unwind_Word = core::ptr::null(); - _Unwind_VRS_Get(ctx, _UVRSC_CORE, reg_index as _Unwind_Word, _UVRSD_UINT32, - (&raw mut val) as *mut c_void); + unsafe { _Unwind_VRS_Get(ctx, _UVRSC_CORE, reg_index as _Unwind_Word, _UVRSD_UINT32, + (&raw mut val) as *mut c_void); } val } pub unsafe fn _Unwind_SetGR(ctx: *mut _Unwind_Context, reg_index: c_int, value: _Unwind_Word) { let mut value = value; - _Unwind_VRS_Set(ctx, _UVRSC_CORE, reg_index as _Unwind_Word, _UVRSD_UINT32, - (&raw mut value) as *mut c_void); + unsafe { _Unwind_VRS_Set(ctx, _UVRSC_CORE, reg_index as _Unwind_Word, _UVRSD_UINT32, + (&raw mut value) as *mut c_void); } } pub unsafe fn _Unwind_GetIP(ctx: *mut _Unwind_Context) -> _Unwind_Word { - let val = _Unwind_GetGR(ctx, UNWIND_IP_REG); + let val = unsafe { _Unwind_GetGR(ctx, UNWIND_IP_REG) }; val.map_addr(|v| v & !1) } pub unsafe fn _Unwind_SetIP(ctx: *mut _Unwind_Context, value: _Unwind_Word) { // Propagate thumb bit to instruction pointer - let thumb_state = _Unwind_GetGR(ctx, UNWIND_IP_REG).addr() & 1; + let thumb_state = unsafe { _Unwind_GetGR(ctx, UNWIND_IP_REG).addr() & 1 }; let value = value.map_addr(|v| v | thumb_state); - _Unwind_SetGR(ctx, UNWIND_IP_REG, value); + unsafe { _Unwind_SetGR(ctx, UNWIND_IP_REG, value); } } pub unsafe fn _Unwind_GetIPInfo(ctx: *mut _Unwind_Context, ip_before_insn: *mut c_int) -> _Unwind_Word { - *ip_before_insn = 0; - _Unwind_GetIP(ctx) + unsafe { + *ip_before_insn = 0; + _Unwind_GetIP(ctx) + } } // This function also doesn't exist on Android or ARM/Linux, so make it a no-op |