nordic-dev.net/rust
nordic-dev.net/rust
2
0
Fork 0
mirror of https://github.com/rust-lang/rust.git synced 2025-04-28 02:57:37 +00:00
Code Issues Packages Projects Releases Wiki Activity

fix mips stack alignment

Browse Source
This commit is contained in:
Jyun-Yan You 2013-05-21 11:58:08 +08:00
parent 6c0a4693c9
commit d86a32bbb2
2 changed files with 7 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

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;