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auto merge of #6650 : crabtw/rust/mips-rt, r=sanxiyn

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Results of libcore and libstd tests

```
failures:
    rand::tests::test_rng_seeded_custom_seed2
    time::tests::run_tests
    uv_ll::test::test_uv_ll_struct_size_addrinfo
    uv_ll::test::test_uv_ll_struct_size_uv_timer_t

segfaults:
    stackwalk::test_simple
    stackwalk::test_simple_deep
```
This commit is contained in:
bors 2013-05-21 03:01:17 -07:00
commit dc7b83d186
2 changed files with 7 additions and 3 deletions
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4
src/libcore/rt/context.rs
View File

@ -183,7 +183,9 @@ fn new_regs() -> ~Registers { ~([0, .. 32]) }
#[cfg(target_arch = "mips")]
fn initialize_call_frame(regs: &mut Registers, fptr: *c_void, arg: *c_void, sp: *mut uint) {
let sp = mut_offset(sp, -1);
let sp = align_down(sp);
// sp of mips o32 is 8-byte aligned
let sp = mut_offset(sp, -2);
// The final return address. 0 indicates the bottom of the stack
unsafe { *sp = 0; }

6
src/rt/arch/mips/context.cpp
View File

@ -34,9 +34,11 @@ void context::call(void *f, void *arg, void *stack)
// set up the stack
uint32_t *sp = (uint32_t *)stack;
//sp = align_down(sp);
sp = align_down(sp);
// The final return address. 0 indicates the bottom of the stack
*--sp = 0;
// sp of mips o32 is 8-byte aligned
sp -= 2;
*sp = 0;
regs.data[4] = (uint32_t)arg;
regs.data[29] = (uint32_t)sp;