diff options
Diffstat (limited to 'src/cmd/5l')
| -rw-r--r-- | src/cmd/5l/noop.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/src/cmd/5l/noop.c b/src/cmd/5l/noop.c index 7b63aa7156..0bd76040d3 100644 --- a/src/cmd/5l/noop.c +++ b/src/cmd/5l/noop.c @@ -271,6 +271,35 @@ noops(void) p->to.offset = -autosize; p->to.reg = REGSP; p->spadj = autosize; + + if(cursym->text->reg & WRAPPER) { + // g->panicwrap += autosize; + // MOVW panicwrap_offset(g), R3 + // ADD $autosize, R3 + // MOVW R3 panicwrap_offset(g) + p = appendp(p); + p->as = AMOVW; + p->from.type = D_OREG; + p->from.reg = REGG; + p->from.offset = 2*PtrSize; + p->to.type = D_REG; + p->to.reg = 3; + + p = appendp(p); + p->as = AADD; + p->from.type = D_CONST; + p->from.offset = autosize; + p->to.type = D_REG; + p->to.reg = 3; + + p = appendp(p); + p->as = AMOVW; + p->from.type = D_REG; + p->from.reg = 3; + p->to.type = D_OREG; + p->to.reg = REGG; + p->to.offset = 2*PtrSize; + } break; case ARET: @@ -290,6 +319,36 @@ noops(void) break; } } + + if(cursym->text->reg & WRAPPER) { + // g->panicwrap -= autosize; + // MOVW panicwrap_offset(g), R3 + // SUB $autosize, R3 + // MOVW R3 panicwrap_offset(g) + p->as = AMOVW; + p->from.type = D_OREG; + p->from.reg = REGG; + p->from.offset = 2*PtrSize; + p->to.type = D_REG; + p->to.reg = 3; + p = appendp(p); + + p->as = ASUB; + p->from.type = D_CONST; + p->from.offset = autosize; + p->to.type = D_REG; + p->to.reg = 3; + p = appendp(p); + + p->as = AMOVW; + p->from.type = D_REG; + p->from.reg = 3; + p->to.type = D_OREG; + p->to.reg = REGG; + p->to.offset = 2*PtrSize; + p = appendp(p); + } + p->as = AMOVW; p->scond |= C_PBIT; p->from.type = D_OREG; |