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Condition EH ABI on target_arch, not target_os. 

More precise unwinder private data size specification.
This commit is contained in:
Vadim Chugunov 2014-01-04 16:50:57 -08:00
parent 19cff913f3
commit b01b9c9f15
1 changed files with 12 additions and 6 deletions
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18
src/libstd/rt/unwind.rs
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@ -77,7 +77,7 @@ mod libunwind {
use libc::{uintptr_t, uint64_t};
#[cfg(not(target_os = "android"))]
#[cfg(not(target_arch = "arm"))]
#[repr(C)]
pub enum _Unwind_Action
{
@ -88,7 +88,7 @@ mod libunwind {
_UA_END_OF_STACK = 16,
}
#[cfg(target_os = "android")]
#[cfg(target_arch = "arm")]
#[repr(C)]
pub enum _Unwind_State
{
@ -118,10 +118,16 @@ mod libunwind {
pub type _Unwind_Word = uintptr_t;
#[cfg(not(target_arch = "arm"))]
pub static unwinder_private_data_size: int = 2;
#[cfg(target_arch = "arm")]
pub static unwinder_private_data_size: int = 20;
pub struct _Unwind_Exception {
exception_class: _Unwind_Exception_Class,
exception_cleanup: _Unwind_Exception_Cleanup_Fn,
private: [_Unwind_Word, ..20],
private: [_Unwind_Word, ..unwinder_private_data_size],
}
pub enum _Unwind_Context {}
@ -202,7 +208,7 @@ impl Unwinder {
let exception = ~uw::_Unwind_Exception {
exception_class: rust_exception_class(),
exception_cleanup: exception_cleanup,
private: [0, ..20],
private: [0, ..uw::unwinder_private_data_size],
};
let error = uw::_Unwind_RaiseException(cast::transmute(exception));
rtabort!("Could not unwind stack, error = {}", error as int)
@ -253,7 +259,7 @@ fn rust_exception_class() -> uw::_Unwind_Exception_Class {
// This is achieved by overriding the return value in search phase to always
// say "catch!".
#[cfg(not(target_os = "android"))]
#[cfg(not(target_arch = "arm"))]
pub mod eabi {
use uw = super::libunwind;
use libc::c_int;
@ -310,7 +316,7 @@ pub mod eabi {
// ARM EHABI uses a slightly different personality routine signature,
// but otherwise works the same.
#[cfg(target_os = "android")]
#[cfg(target_arch = "arm")]
pub mod eabi {
use uw = super::libunwind;
use libc::c_int;