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| author | Niko Matsakis <niko@alum.mit.edu> | 2011-11-10 12:32:06 -0800 |
|---|---|---|
| committer | Niko Matsakis <niko@alum.mit.edu> | 2011-11-16 15:16:40 -0800 |
| commit | 3617f0377fb797ada3a20addb9e9a24e4b8a4f43 (patch) | |
| tree | 4e751c9fe20727c60a6dffc0f7a8e721dab5ca01 /src | |
| parent | 85083ec51b57ed5a44ce34c8b3610ca66dff7a68 (diff) | |
| download | rust-3617f0377fb797ada3a20addb9e9a24e4b8a4f43.tar.gz rust-3617f0377fb797ada3a20addb9e9a24e4b8a4f43.zip | |
correct alignment
Diffstat (limited to 'src')
| -rw-r--r-- | src/rt/arch/i386/ccall.S | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/src/rt/arch/i386/ccall.S b/src/rt/arch/i386/ccall.S index 3e32de879a7..297f4c79569 100644 --- a/src/rt/arch/i386/ccall.S +++ b/src/rt/arch/i386/ccall.S @@ -37,9 +37,10 @@ upcall_call_c_stack_shim: #endif pushl %ebp movl %esp,%ebp // save esp - movl 8(%esp),%eax // eax = callee - movl 12(%esp),%esp // switch stack - pushl %esp // push ptr to new arguments + movl 8(%ebp),%eax // eax = callee + movl 12(%ebp),%esp // switch stack + subl $12,%esp // maintain 16-byte alignment + pushl 12(%ebp) // push ptr to argument block calll *%eax movl %ebp,%esp // would like to use "leave" but it's slower popl %ebp |