run rustfmt on libpanic_unwind folder
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@ -24,36 +24,35 @@
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use dwarf::DwarfReader;
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use core::mem;
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pub const DW_EH_PE_omit : u8 = 0xFF;
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pub const DW_EH_PE_absptr : u8 = 0x00;
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pub const DW_EH_PE_omit: u8 = 0xFF;
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pub const DW_EH_PE_absptr: u8 = 0x00;
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pub const DW_EH_PE_uleb128 : u8 = 0x01;
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pub const DW_EH_PE_udata2 : u8 = 0x02;
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pub const DW_EH_PE_udata4 : u8 = 0x03;
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pub const DW_EH_PE_udata8 : u8 = 0x04;
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pub const DW_EH_PE_sleb128 : u8 = 0x09;
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pub const DW_EH_PE_sdata2 : u8 = 0x0A;
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pub const DW_EH_PE_sdata4 : u8 = 0x0B;
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pub const DW_EH_PE_sdata8 : u8 = 0x0C;
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pub const DW_EH_PE_uleb128: u8 = 0x01;
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pub const DW_EH_PE_udata2: u8 = 0x02;
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pub const DW_EH_PE_udata4: u8 = 0x03;
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pub const DW_EH_PE_udata8: u8 = 0x04;
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pub const DW_EH_PE_sleb128: u8 = 0x09;
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pub const DW_EH_PE_sdata2: u8 = 0x0A;
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pub const DW_EH_PE_sdata4: u8 = 0x0B;
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pub const DW_EH_PE_sdata8: u8 = 0x0C;
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pub const DW_EH_PE_pcrel : u8 = 0x10;
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pub const DW_EH_PE_textrel : u8 = 0x20;
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pub const DW_EH_PE_datarel : u8 = 0x30;
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pub const DW_EH_PE_funcrel : u8 = 0x40;
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pub const DW_EH_PE_aligned : u8 = 0x50;
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pub const DW_EH_PE_pcrel: u8 = 0x10;
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pub const DW_EH_PE_textrel: u8 = 0x20;
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pub const DW_EH_PE_datarel: u8 = 0x30;
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pub const DW_EH_PE_funcrel: u8 = 0x40;
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pub const DW_EH_PE_aligned: u8 = 0x50;
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pub const DW_EH_PE_indirect : u8 = 0x80;
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pub const DW_EH_PE_indirect: u8 = 0x80;
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#[derive(Copy, Clone)]
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pub struct EHContext {
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pub ip: usize, // Current instruction pointer
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pub ip: usize, // Current instruction pointer
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pub func_start: usize, // Address of the current function
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pub text_start: usize, // Address of the code section
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pub data_start: usize, // Address of the data section
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}
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pub unsafe fn find_landing_pad(lsda: *const u8, context: &EHContext)
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-> Option<usize> {
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pub unsafe fn find_landing_pad(lsda: *const u8, context: &EHContext) -> Option<usize> {
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if lsda.is_null() {
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return None;
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}
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@ -80,7 +79,7 @@ pub unsafe fn find_landing_pad(lsda: *const u8, context: &EHContext)
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let action_table = reader.ptr.offset(call_site_table_length as isize);
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// Return addresses point 1 byte past the call instruction, which could
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// be in the next IP range.
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let ip = context.ip-1;
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let ip = context.ip - 1;
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while reader.ptr < action_table {
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let cs_start = read_encoded_pointer(&mut reader, context, call_site_encoding);
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@ -90,7 +89,7 @@ pub unsafe fn find_landing_pad(lsda: *const u8, context: &EHContext)
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// Callsite table is sorted by cs_start, so if we've passed the ip, we
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// may stop searching.
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if ip < func_start + cs_start {
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break
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break;
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}
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if ip < func_start + cs_start + cs_len {
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if cs_lpad != 0 {
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@ -114,13 +113,13 @@ fn round_up(unrounded: usize, align: usize) -> usize {
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unsafe fn read_encoded_pointer(reader: &mut DwarfReader,
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context: &EHContext,
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encoding: u8) -> usize {
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encoding: u8)
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-> usize {
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assert!(encoding != DW_EH_PE_omit);
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// DW_EH_PE_aligned implies it's an absolute pointer value
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if encoding == DW_EH_PE_aligned {
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reader.ptr = round_up(reader.ptr as usize,
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mem::size_of::<usize>()) as *const u8;
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reader.ptr = round_up(reader.ptr as usize, mem::size_of::<usize>()) as *const u8;
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return reader.read::<usize>();
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}
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@ -134,20 +133,26 @@ unsafe fn read_encoded_pointer(reader: &mut DwarfReader,
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DW_EH_PE_sdata2 => reader.read::<i16>() as usize,
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DW_EH_PE_sdata4 => reader.read::<i32>() as usize,
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DW_EH_PE_sdata8 => reader.read::<i64>() as usize,
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_ => panic!()
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_ => panic!(),
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};
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result += match encoding & 0x70 {
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DW_EH_PE_absptr => 0,
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// relative to address of the encoded value, despite the name
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DW_EH_PE_pcrel => reader.ptr as usize,
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DW_EH_PE_textrel => { assert!(context.text_start != 0);
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context.text_start },
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DW_EH_PE_datarel => { assert!(context.data_start != 0);
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context.data_start },
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DW_EH_PE_funcrel => { assert!(context.func_start != 0);
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context.func_start },
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_ => panic!()
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DW_EH_PE_textrel => {
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assert!(context.text_start != 0);
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context.text_start
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}
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DW_EH_PE_datarel => {
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assert!(context.data_start != 0);
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context.data_start
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}
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DW_EH_PE_funcrel => {
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assert!(context.func_start != 0);
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context.func_start
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}
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_ => panic!(),
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};
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if encoding & DW_EH_PE_indirect != 0 {
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@ -21,25 +21,22 @@ pub mod eh;
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use core::mem;
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pub struct DwarfReader {
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pub ptr : *const u8
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pub ptr: *const u8,
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}
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#[repr(C,packed)]
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struct Unaligned<T>(T);
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impl DwarfReader {
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pub fn new(ptr : *const u8) -> DwarfReader {
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DwarfReader {
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ptr : ptr
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}
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pub fn new(ptr: *const u8) -> DwarfReader {
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DwarfReader { ptr: ptr }
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}
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// DWARF streams are packed, so e.g. a u32 would not necessarily be aligned
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// on a 4-byte boundary. This may cause problems on platforms with strict
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// alignment requirements. By wrapping data in a "packed" struct, we are
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// telling the backend to generate "misalignment-safe" code.
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pub unsafe fn read<T:Copy>(&mut self) -> T {
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pub unsafe fn read<T: Copy>(&mut self) -> T {
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let Unaligned(result) = *(self.ptr as *const Unaligned<T>);
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self.ptr = self.ptr.offset(mem::size_of::<T>() as isize);
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result
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@ -48,9 +45,9 @@ impl DwarfReader {
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// ULEB128 and SLEB128 encodings are defined in Section 7.6 - "Variable
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// Length Data".
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pub unsafe fn read_uleb128(&mut self) -> u64 {
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let mut shift : usize = 0;
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let mut result : u64 = 0;
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let mut byte : u8;
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let mut shift: usize = 0;
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let mut result: u64 = 0;
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let mut byte: u8;
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loop {
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byte = self.read::<u8>();
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result |= ((byte & 0x7F) as u64) << shift;
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@ -63,9 +60,9 @@ impl DwarfReader {
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}
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pub unsafe fn read_sleb128(&mut self) -> i64 {
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let mut shift : usize = 0;
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let mut result : u64 = 0;
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let mut byte : u8;
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let mut shift: usize = 0;
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let mut result: u64 = 0;
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let mut byte: u8;
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loop {
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byte = self.read::<u8>();
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result |= ((byte & 0x7F) as u64) << shift;
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@ -84,12 +81,7 @@ impl DwarfReader {
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#[test]
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fn dwarf_reader() {
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let encoded: &[u8] = &[1,
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2, 3,
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4, 5, 6, 7,
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0xE5, 0x8E, 0x26,
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0x9B, 0xF1, 0x59,
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0xFF, 0xFF];
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let encoded: &[u8] = &[1, 2, 3, 4, 5, 6, 7, 0xE5, 0x8E, 0x26, 0x9B, 0xF1, 0x59, 0xFF, 0xFF];
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let mut reader = DwarfReader::new(encoded.as_ptr());
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@ -79,8 +79,8 @@ pub unsafe fn panic(data: Box<Any + Send>) -> u32 {
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let exception_param = Box::into_raw(exception) as *mut uw::_Unwind_Exception;
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return uw::_Unwind_RaiseException(exception_param) as u32;
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extern fn exception_cleanup(_unwind_code: uw::_Unwind_Reason_Code,
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exception: *mut uw::_Unwind_Exception) {
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extern "C" fn exception_cleanup(_unwind_code: uw::_Unwind_Reason_Code,
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exception: *mut uw::_Unwind_Exception) {
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unsafe {
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let _: Box<Exception> = Box::from_raw(exception as *mut Exception);
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}
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@ -130,50 +130,41 @@ pub mod eabi {
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use unwind as uw;
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use libc::c_int;
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extern {
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extern "C" {
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fn __gcc_personality_v0(version: c_int,
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actions: uw::_Unwind_Action,
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exception_class: uw::_Unwind_Exception_Class,
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ue_header: *mut uw::_Unwind_Exception,
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context: *mut uw::_Unwind_Context)
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-> uw::_Unwind_Reason_Code;
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-> uw::_Unwind_Reason_Code;
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}
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#[lang = "eh_personality"]
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#[no_mangle]
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extern fn rust_eh_personality(
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version: c_int,
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actions: uw::_Unwind_Action,
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exception_class: uw::_Unwind_Exception_Class,
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ue_header: *mut uw::_Unwind_Exception,
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context: *mut uw::_Unwind_Context
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) -> uw::_Unwind_Reason_Code
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{
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unsafe {
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__gcc_personality_v0(version, actions, exception_class, ue_header,
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context)
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}
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extern "C" fn rust_eh_personality(version: c_int,
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actions: uw::_Unwind_Action,
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exception_class: uw::_Unwind_Exception_Class,
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ue_header: *mut uw::_Unwind_Exception,
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context: *mut uw::_Unwind_Context)
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-> uw::_Unwind_Reason_Code {
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unsafe { __gcc_personality_v0(version, actions, exception_class, ue_header, context) }
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}
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#[lang = "eh_personality_catch"]
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#[no_mangle]
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pub extern fn rust_eh_personality_catch(
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version: c_int,
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actions: uw::_Unwind_Action,
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exception_class: uw::_Unwind_Exception_Class,
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ue_header: *mut uw::_Unwind_Exception,
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context: *mut uw::_Unwind_Context
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) -> uw::_Unwind_Reason_Code
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{
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pub extern "C" fn rust_eh_personality_catch(version: c_int,
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actions: uw::_Unwind_Action,
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exception_class: uw::_Unwind_Exception_Class,
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ue_header: *mut uw::_Unwind_Exception,
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context: *mut uw::_Unwind_Context)
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-> uw::_Unwind_Reason_Code {
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if (actions as c_int & uw::_UA_SEARCH_PHASE as c_int) != 0 { // search phase
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if (actions as c_int & uw::_UA_SEARCH_PHASE as c_int) != 0 {
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// search phase
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uw::_URC_HANDLER_FOUND // catch!
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}
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else { // cleanup phase
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unsafe {
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__gcc_personality_v0(version, actions, exception_class, ue_header,
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context)
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}
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} else {
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// cleanup phase
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unsafe { __gcc_personality_v0(version, actions, exception_class, ue_header, context) }
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}
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}
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}
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@ -186,49 +177,40 @@ pub mod eabi {
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use unwind as uw;
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use libc::c_int;
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extern {
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extern "C" {
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fn __gcc_personality_sj0(version: c_int,
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actions: uw::_Unwind_Action,
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exception_class: uw::_Unwind_Exception_Class,
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ue_header: *mut uw::_Unwind_Exception,
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context: *mut uw::_Unwind_Context)
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-> uw::_Unwind_Reason_Code;
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actions: uw::_Unwind_Action,
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exception_class: uw::_Unwind_Exception_Class,
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ue_header: *mut uw::_Unwind_Exception,
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context: *mut uw::_Unwind_Context)
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-> uw::_Unwind_Reason_Code;
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}
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#[lang = "eh_personality"]
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#[no_mangle]
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pub extern fn rust_eh_personality(
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version: c_int,
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actions: uw::_Unwind_Action,
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exception_class: uw::_Unwind_Exception_Class,
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ue_header: *mut uw::_Unwind_Exception,
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context: *mut uw::_Unwind_Context
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) -> uw::_Unwind_Reason_Code
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{
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unsafe {
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__gcc_personality_sj0(version, actions, exception_class, ue_header,
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context)
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}
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pub extern "C" fn rust_eh_personality(version: c_int,
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actions: uw::_Unwind_Action,
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exception_class: uw::_Unwind_Exception_Class,
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ue_header: *mut uw::_Unwind_Exception,
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context: *mut uw::_Unwind_Context)
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-> uw::_Unwind_Reason_Code {
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unsafe { __gcc_personality_sj0(version, actions, exception_class, ue_header, context) }
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}
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#[lang = "eh_personality_catch"]
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#[no_mangle]
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pub extern fn rust_eh_personality_catch(
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version: c_int,
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actions: uw::_Unwind_Action,
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exception_class: uw::_Unwind_Exception_Class,
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ue_header: *mut uw::_Unwind_Exception,
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context: *mut uw::_Unwind_Context
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) -> uw::_Unwind_Reason_Code
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{
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if (actions as c_int & uw::_UA_SEARCH_PHASE as c_int) != 0 { // search phase
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pub extern "C" fn rust_eh_personality_catch(version: c_int,
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actions: uw::_Unwind_Action,
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exception_class: uw::_Unwind_Exception_Class,
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ue_header: *mut uw::_Unwind_Exception,
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context: *mut uw::_Unwind_Context)
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-> uw::_Unwind_Reason_Code {
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if (actions as c_int & uw::_UA_SEARCH_PHASE as c_int) != 0 {
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// search phase
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uw::_URC_HANDLER_FOUND // catch!
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}
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else { // cleanup phase
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unsafe {
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__gcc_personality_sj0(version, actions, exception_class, ue_header,
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context)
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}
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} else {
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// cleanup phase
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unsafe { __gcc_personality_sj0(version, actions, exception_class, ue_header, context) }
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}
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}
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}
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@ -241,47 +223,40 @@ pub mod eabi {
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use unwind as uw;
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use libc::c_int;
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extern {
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extern "C" {
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fn __gcc_personality_v0(state: uw::_Unwind_State,
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ue_header: *mut uw::_Unwind_Exception,
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context: *mut uw::_Unwind_Context)
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-> uw::_Unwind_Reason_Code;
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-> uw::_Unwind_Reason_Code;
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}
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#[lang = "eh_personality"]
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#[no_mangle]
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extern fn rust_eh_personality(
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state: uw::_Unwind_State,
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ue_header: *mut uw::_Unwind_Exception,
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context: *mut uw::_Unwind_Context
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) -> uw::_Unwind_Reason_Code
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{
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unsafe {
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__gcc_personality_v0(state, ue_header, context)
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}
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extern "C" fn rust_eh_personality(state: uw::_Unwind_State,
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ue_header: *mut uw::_Unwind_Exception,
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context: *mut uw::_Unwind_Context)
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-> uw::_Unwind_Reason_Code {
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unsafe { __gcc_personality_v0(state, ue_header, context) }
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}
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#[lang = "eh_personality_catch"]
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#[no_mangle]
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pub extern fn rust_eh_personality_catch(
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state: uw::_Unwind_State,
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ue_header: *mut uw::_Unwind_Exception,
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context: *mut uw::_Unwind_Context
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) -> uw::_Unwind_Reason_Code
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{
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pub extern "C" fn rust_eh_personality_catch(state: uw::_Unwind_State,
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ue_header: *mut uw::_Unwind_Exception,
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context: *mut uw::_Unwind_Context)
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-> uw::_Unwind_Reason_Code {
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// Backtraces on ARM will call the personality routine with
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// state == _US_VIRTUAL_UNWIND_FRAME | _US_FORCE_UNWIND. In those cases
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// we want to continue unwinding the stack, otherwise all our backtraces
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// would end at __rust_try.
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if (state as c_int & uw::_US_ACTION_MASK as c_int)
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== uw::_US_VIRTUAL_UNWIND_FRAME as c_int
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&& (state as c_int & uw::_US_FORCE_UNWIND as c_int) == 0 { // search phase
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if (state as c_int & uw::_US_ACTION_MASK as c_int) ==
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uw::_US_VIRTUAL_UNWIND_FRAME as c_int &&
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(state as c_int & uw::_US_FORCE_UNWIND as c_int) == 0 {
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// search phase
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uw::_URC_HANDLER_FOUND // catch!
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}
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else { // cleanup phase
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unsafe {
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__gcc_personality_v0(state, ue_header, context)
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}
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} else {
|
||||
// cleanup phase
|
||||
unsafe { __gcc_personality_v0(state, ue_header, context) }
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -290,7 +265,7 @@ pub mod eabi {
|
||||
#[cfg(all(target_os="windows", target_arch = "x86", target_env="gnu"))]
|
||||
#[lang = "eh_unwind_resume"]
|
||||
#[unwind]
|
||||
unsafe extern fn rust_eh_unwind_resume(panic_ctx: *mut u8) -> ! {
|
||||
unsafe extern "C" fn rust_eh_unwind_resume(panic_ctx: *mut u8) -> ! {
|
||||
uw::_Unwind_Resume(panic_ctx as *mut uw::_Unwind_Exception);
|
||||
}
|
||||
|
||||
@ -314,22 +289,21 @@ unsafe extern fn rust_eh_unwind_resume(panic_ctx: *mut u8) -> ! {
|
||||
pub mod eh_frame_registry {
|
||||
#[link(name = "gcc_eh")]
|
||||
#[cfg(not(cargobuild))]
|
||||
extern {}
|
||||
extern "C" {}
|
||||
|
||||
extern {
|
||||
extern "C" {
|
||||
fn __register_frame_info(eh_frame_begin: *const u8, object: *mut u8);
|
||||
fn __deregister_frame_info(eh_frame_begin: *const u8, object: *mut u8);
|
||||
}
|
||||
|
||||
#[no_mangle]
|
||||
pub unsafe extern fn rust_eh_register_frames(eh_frame_begin: *const u8,
|
||||
object: *mut u8) {
|
||||
pub unsafe extern "C" fn rust_eh_register_frames(eh_frame_begin: *const u8, object: *mut u8) {
|
||||
__register_frame_info(eh_frame_begin, object);
|
||||
}
|
||||
|
||||
#[no_mangle]
|
||||
pub unsafe extern fn rust_eh_unregister_frames(eh_frame_begin: *const u8,
|
||||
object: *mut u8) {
|
||||
pub unsafe extern "C" fn rust_eh_unregister_frames(eh_frame_begin: *const u8,
|
||||
object: *mut u8) {
|
||||
__deregister_frame_info(eh_frame_begin, object);
|
||||
}
|
||||
}
|
||||
|
@ -82,11 +82,11 @@ mod windows;
|
||||
// hairy and tightly coupled, for more information see the compiler's
|
||||
// implementation of this.
|
||||
#[no_mangle]
|
||||
pub unsafe extern fn __rust_maybe_catch_panic(f: fn(*mut u8),
|
||||
data: *mut u8,
|
||||
data_ptr: *mut usize,
|
||||
vtable_ptr: *mut usize)
|
||||
-> u32 {
|
||||
pub unsafe extern "C" fn __rust_maybe_catch_panic(f: fn(*mut u8),
|
||||
data: *mut u8,
|
||||
data_ptr: *mut usize,
|
||||
vtable_ptr: *mut usize)
|
||||
-> u32 {
|
||||
let mut payload = imp::payload();
|
||||
if intrinsics::try(f, data, &mut payload as *mut _ as *mut _) == 0 {
|
||||
0
|
||||
@ -101,7 +101,7 @@ pub unsafe extern fn __rust_maybe_catch_panic(f: fn(*mut u8),
|
||||
// Entry point for raising an exception, just delegates to the platform-specific
|
||||
// implementation.
|
||||
#[no_mangle]
|
||||
pub unsafe extern fn __rust_start_panic(data: usize, vtable: usize) -> u32 {
|
||||
pub unsafe extern "C" fn __rust_start_panic(data: usize, vtable: usize) -> u32 {
|
||||
imp::panic(mem::transmute(raw::TraitObject {
|
||||
data: data as *mut (),
|
||||
vtable: vtable as *mut (),
|
||||
|
@ -128,7 +128,7 @@ mod imp {
|
||||
pub const NAME1: [u8; 7] = [b'.', b'P', b'E', b'A', b'_', b'K', 0];
|
||||
pub const NAME2: [u8; 7] = [b'.', b'P', b'E', b'A', b'X', 0, 0];
|
||||
|
||||
extern {
|
||||
extern "C" {
|
||||
pub static __ImageBase: u8;
|
||||
}
|
||||
|
||||
@ -186,10 +186,7 @@ static mut THROW_INFO: _ThrowInfo = _ThrowInfo {
|
||||
|
||||
static mut CATCHABLE_TYPE_ARRAY: _CatchableTypeArray = _CatchableTypeArray {
|
||||
nCatchableTypes: 2,
|
||||
arrayOfCatchableTypes: [
|
||||
ptr!(0),
|
||||
ptr!(0),
|
||||
],
|
||||
arrayOfCatchableTypes: [ptr!(0), ptr!(0)],
|
||||
};
|
||||
|
||||
static mut CATCHABLE_TYPE1: _CatchableType = _CatchableType {
|
||||
@ -216,7 +213,7 @@ static mut CATCHABLE_TYPE2: _CatchableType = _CatchableType {
|
||||
copy_function: ptr!(0),
|
||||
};
|
||||
|
||||
extern {
|
||||
extern "C" {
|
||||
// The leading `\x01` byte here is actually a magical signal to LLVM to
|
||||
// *not* apply any other mangling like prefixing with a `_` character.
|
||||
//
|
||||
|
@ -32,11 +32,11 @@ use windows as c;
|
||||
const ETYPE: c::DWORD = 0b1110_u32 << 28;
|
||||
const MAGIC: c::DWORD = 0x525354; // "RST"
|
||||
|
||||
const RUST_PANIC: c::DWORD = ETYPE | (1 << 24) | MAGIC;
|
||||
const RUST_PANIC: c::DWORD = ETYPE | (1 << 24) | MAGIC;
|
||||
|
||||
#[repr(C)]
|
||||
struct PanicData {
|
||||
data: Box<Any + Send>
|
||||
data: Box<Any + Send>,
|
||||
}
|
||||
|
||||
pub unsafe fn panic(data: Box<Any + Send>) -> u32 {
|
||||
@ -82,30 +82,29 @@ pub unsafe fn cleanup(ptr: *mut u8) -> Box<Any + Send> {
|
||||
|
||||
#[lang = "eh_personality_catch"]
|
||||
#[cfg(not(test))]
|
||||
unsafe extern fn rust_eh_personality_catch(
|
||||
exceptionRecord: *mut c::EXCEPTION_RECORD,
|
||||
establisherFrame: c::LPVOID,
|
||||
contextRecord: *mut c::CONTEXT,
|
||||
dispatcherContext: *mut c::DISPATCHER_CONTEXT
|
||||
) -> c::EXCEPTION_DISPOSITION
|
||||
{
|
||||
rust_eh_personality(exceptionRecord, establisherFrame,
|
||||
contextRecord, dispatcherContext)
|
||||
unsafe extern "C" fn rust_eh_personality_catch(exceptionRecord: *mut c::EXCEPTION_RECORD,
|
||||
establisherFrame: c::LPVOID,
|
||||
contextRecord: *mut c::CONTEXT,
|
||||
dispatcherContext: *mut c::DISPATCHER_CONTEXT)
|
||||
-> c::EXCEPTION_DISPOSITION {
|
||||
rust_eh_personality(exceptionRecord,
|
||||
establisherFrame,
|
||||
contextRecord,
|
||||
dispatcherContext)
|
||||
}
|
||||
|
||||
#[lang = "eh_personality"]
|
||||
#[cfg(not(test))]
|
||||
unsafe extern fn rust_eh_personality(
|
||||
exceptionRecord: *mut c::EXCEPTION_RECORD,
|
||||
establisherFrame: c::LPVOID,
|
||||
contextRecord: *mut c::CONTEXT,
|
||||
dispatcherContext: *mut c::DISPATCHER_CONTEXT
|
||||
) -> c::EXCEPTION_DISPOSITION
|
||||
{
|
||||
unsafe extern "C" fn rust_eh_personality(exceptionRecord: *mut c::EXCEPTION_RECORD,
|
||||
establisherFrame: c::LPVOID,
|
||||
contextRecord: *mut c::CONTEXT,
|
||||
dispatcherContext: *mut c::DISPATCHER_CONTEXT)
|
||||
-> c::EXCEPTION_DISPOSITION {
|
||||
let er = &*exceptionRecord;
|
||||
let dc = &*dispatcherContext;
|
||||
|
||||
if er.ExceptionFlags & c::EXCEPTION_UNWIND == 0 { // we are in the dispatch phase
|
||||
if er.ExceptionFlags & c::EXCEPTION_UNWIND == 0 {
|
||||
// we are in the dispatch phase
|
||||
if er.ExceptionCode == RUST_PANIC {
|
||||
if let Some(lpad) = find_landing_pad(dc) {
|
||||
c::RtlUnwindEx(establisherFrame,
|
||||
@ -122,7 +121,7 @@ unsafe extern fn rust_eh_personality(
|
||||
|
||||
#[lang = "eh_unwind_resume"]
|
||||
#[unwind]
|
||||
unsafe extern fn rust_eh_unwind_resume(panic_ctx: c::LPVOID) -> ! {
|
||||
unsafe extern "C" fn rust_eh_unwind_resume(panic_ctx: c::LPVOID) -> ! {
|
||||
let params = [panic_ctx as c::ULONG_PTR];
|
||||
c::RaiseException(RUST_PANIC,
|
||||
c::EXCEPTION_NONCONTINUABLE,
|
||||
@ -136,7 +135,7 @@ unsafe fn find_landing_pad(dc: &c::DISPATCHER_CONTEXT) -> Option<usize> {
|
||||
ip: dc.ControlPc as usize,
|
||||
func_start: dc.ImageBase as usize + (*dc.FunctionEntry).BeginAddress as usize,
|
||||
text_start: dc.ImageBase as usize,
|
||||
data_start: 0
|
||||
data_start: 0,
|
||||
};
|
||||
eh::find_landing_pad(dc.HandlerData, &eh_ctx)
|
||||
}
|
||||
|
@ -12,7 +12,7 @@
|
||||
#![allow(dead_code)]
|
||||
#![cfg(windows)]
|
||||
|
||||
use libc::{c_void, c_ulong, c_long, c_ulonglong};
|
||||
use libc::{c_long, c_ulong, c_ulonglong, c_void};
|
||||
|
||||
pub type DWORD = c_ulong;
|
||||
pub type LONG = c_long;
|
||||
@ -25,8 +25,7 @@ pub const EXCEPTION_UNWINDING: DWORD = 0x2; // Unwind is in progress
|
||||
pub const EXCEPTION_EXIT_UNWIND: DWORD = 0x4; // Exit unwind is in progress
|
||||
pub const EXCEPTION_TARGET_UNWIND: DWORD = 0x20; // Target unwind in progress
|
||||
pub const EXCEPTION_COLLIDED_UNWIND: DWORD = 0x40; // Collided exception handler call
|
||||
pub const EXCEPTION_UNWIND: DWORD = EXCEPTION_UNWINDING |
|
||||
EXCEPTION_EXIT_UNWIND |
|
||||
pub const EXCEPTION_UNWIND: DWORD = EXCEPTION_UNWINDING | EXCEPTION_EXIT_UNWIND |
|
||||
EXCEPTION_TARGET_UNWIND |
|
||||
EXCEPTION_COLLIDED_UNWIND;
|
||||
|
||||
@ -37,7 +36,7 @@ pub struct EXCEPTION_RECORD {
|
||||
pub ExceptionRecord: *mut EXCEPTION_RECORD,
|
||||
pub ExceptionAddress: LPVOID,
|
||||
pub NumberParameters: DWORD,
|
||||
pub ExceptionInformation: [LPVOID; EXCEPTION_MAXIMUM_PARAMETERS]
|
||||
pub ExceptionInformation: [LPVOID; EXCEPTION_MAXIMUM_PARAMETERS],
|
||||
}
|
||||
|
||||
#[repr(C)]
|
||||
@ -75,7 +74,7 @@ pub enum EXCEPTION_DISPOSITION {
|
||||
ExceptionContinueExecution,
|
||||
ExceptionContinueSearch,
|
||||
ExceptionNestedException,
|
||||
ExceptionCollidedUnwind
|
||||
ExceptionCollidedUnwind,
|
||||
}
|
||||
pub use self::EXCEPTION_DISPOSITION::*;
|
||||
|
||||
@ -93,6 +92,5 @@ extern "system" {
|
||||
OriginalContext: *const CONTEXT,
|
||||
HistoryTable: *const UNWIND_HISTORY_TABLE);
|
||||
#[unwind]
|
||||
pub fn _CxxThrowException(pExceptionObject: *mut c_void,
|
||||
pThrowInfo: *mut u8);
|
||||
pub fn _CxxThrowException(pExceptionObject: *mut c_void, pThrowInfo: *mut u8);
|
||||
}
|
||||
|
Loading…
x
Reference in New Issue
Block a user