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cpu.x86.64.bootstrap: save all the regs on signal 

Appears to fix another sporadic crash from mason on x86-64. There's no reason to cut corners here, really.
db4
Joe Groff 2011-11-04 10:01:39 -07:00
parent cb14adb1c2
commit d9293337bb
1 changed files with 2 additions and 3 deletions
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basis/cpu/x86/64/bootstrap.factor
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@ -91,9 +91,8 @@ IN: bootstrap.x86
"end_callback" jit-call "end_callback" jit-call
] \ c-to-factor define-sub-primitive ] \ c-to-factor define-sub-primitive
! In addition to the C ABI volatile regs, we also whack R12 : signal-handler-save-regs ( -- regs )
! when we save context before calling the signal handler. { RAX RCX RDX RBX RBP RSI RDI R8 R9 R10 R11 R12 R13 R14 R15 } ;
: signal-handler-save-regs ( -- regs ) volatile-regs R12 suffix ;
:: jit-signal-handler-prolog ( -- frame-size ) :: jit-signal-handler-prolog ( -- frame-size )
signal-handler-save-regs :> save-regs signal-handler-save-regs :> save-regs