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Diffstat (limited to 'src/runtime/asm_riscv64.s')
| -rw-r--r-- | src/runtime/asm_riscv64.s | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/runtime/asm_riscv64.s b/src/runtime/asm_riscv64.s index 9927a817f7..9957ae201b 100644 --- a/src/runtime/asm_riscv64.s +++ b/src/runtime/asm_riscv64.s @@ -248,6 +248,21 @@ TEXT gogo<>(SB), NOSPLIT|NOFRAME, $0 MOV gobuf_pc(T0), T0 JALR ZERO, T0 +// func jmpdefer(fv func(), argp uintptr) +// called from deferreturn +// 1. grab stored return address from the caller's frame +// 2. sub 8 bytes to get back to JAL deferreturn +// 3. JMP to fn +TEXT runtime·jmpdefer(SB), NOSPLIT|NOFRAME, $0-16 + MOV 0(X2), RA + ADD $-8, RA + + MOV fv+0(FP), CTXT + MOV argp+8(FP), X2 + ADD $-8, X2 + MOV 0(CTXT), T0 + JALR ZERO, T0 + // func procyield(cycles uint32) TEXT runtime·procyield(SB),NOSPLIT,$0-0 RET |