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Diffstat (limited to 'src/runtime/asm_wasm.s')
| -rw-r--r-- | src/runtime/asm_wasm.s | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/src/runtime/asm_wasm.s b/src/runtime/asm_wasm.s index d885da6e70..53c271aa70 100644 --- a/src/runtime/asm_wasm.s +++ b/src/runtime/asm_wasm.s @@ -193,6 +193,35 @@ TEXT runtime·return0(SB), NOSPLIT, $0-0 MOVD $0, RET0 RET +TEXT runtime·jmpdefer(SB), NOSPLIT, $0-16 + MOVD fv+0(FP), CTXT + + Get CTXT + I64Eqz + If + CALLNORESUME runtime·sigpanic<ABIInternal>(SB) + End + + // caller sp after CALL + I64Load argp+8(FP) + I64Const $8 + I64Sub + I32WrapI64 + Set SP + + // decrease PC_B by 1 to CALL again + Get SP + I32Load16U (SP) + I32Const $1 + I32Sub + I32Store16 $0 + + // but first run the deferred function + Get CTXT + I32WrapI64 + I64Load $0 + JMP + TEXT runtime·asminit(SB), NOSPLIT, $0-0 // No per-thread init. RET |