diff options
Diffstat (limited to 'src/runtime/asm_mipsx.s')
| -rw-r--r-- | src/runtime/asm_mipsx.s | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/runtime/asm_mipsx.s b/src/runtime/asm_mipsx.s index 4a086b8eb3..877c1bb97b 100644 --- a/src/runtime/asm_mipsx.s +++ b/src/runtime/asm_mipsx.s @@ -257,6 +257,13 @@ TEXT runtime·morestack(SB),NOSPLIT|NOFRAME,$0-0 UNDEF TEXT runtime·morestack_noctxt(SB),NOSPLIT,$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 (R3), and the unwinder currently doesn't understand. + // Make it SPWRITE to stop unwinding. (See issue 54332) + MOVW R29, R29 + MOVW R0, REGCTXT JMP runtime·morestack(SB) |