diff options
Diffstat (limited to 'src/runtime/asm_ppc64x.s')
| -rw-r--r-- | src/runtime/asm_ppc64x.s | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/runtime/asm_ppc64x.s b/src/runtime/asm_ppc64x.s index ae14213999..10ae161a13 100644 --- a/src/runtime/asm_ppc64x.s +++ b/src/runtime/asm_ppc64x.s @@ -338,6 +338,13 @@ TEXT runtime·morestack(SB),NOSPLIT|NOFRAME,$0-0 UNDEF TEXT runtime·morestack_noctxt(SB),NOSPLIT|NOFRAME,$0-0 + // Force SPWRITE. This function doesn't actually write SP, + // but it is called with a special calling convention where + // the caller doesn't save LR on stack but passes it as a + // register (R5), and the unwinder currently doesn't understand. + // Make it SPWRITE to stop unwinding. (See issue 54332) + MOVD R1, R1 + MOVD R0, R11 BR runtime·morestack(SB) |