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| author | Rich Felker <dalias@aerifal.cx> | 2011-04-22 18:48:57 -0400 |
|---|---|---|
| committer | Rich Felker <dalias@aerifal.cx> | 2011-04-22 18:48:57 -0400 |
| commit | e6cc1d6c0e66970c7445df4f16a729f019d30efd (patch) | |
| tree | a0222a756b325a2e910aebad3cb58f4f3898a78c | |
| parent | cbb65af6ae2fd129102e2cc27e29d23df7580c97 (diff) | |
| download | musl-e6cc1d6c0e66970c7445df4f16a729f019d30efd.tar.gz musl-e6cc1d6c0e66970c7445df4f16a729f019d30efd.tar.xz musl-e6cc1d6c0e66970c7445df4f16a729f019d30efd.zip | |
fix initial stack alignment in new threads on x86_64
| -rw-r--r-- | src/thread/x86_64/clone.s | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/thread/x86_64/clone.s b/src/thread/x86_64/clone.s index 3cefd933..e006bccd 100644 --- a/src/thread/x86_64/clone.s +++ b/src/thread/x86_64/clone.s @@ -5,7 +5,7 @@ /* rdi = child_stack, rsi = start, rdx = pthread_struct */ __uniclone: subq $8,%rsp /* pad parent stack to prevent branch later */ - subq $16,%rdi /* grow child_stack */ + subq $24,%rdi /* grow child_stack */ mov %rsi,8(%rdi) /* push start onto child_stack as return ptr */ mov %rdx,0(%rdi) /* push pthread_struct onto child_stack */ mov %rdx,%r8 /* r8 = tls */ |