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cpu.x86.64: define jit-load-vm as a no-op 

This was the signal handler prolog code can be shared completely between x86.32 and x86.64.
db4
Joe Groff 2011-12-14 11:33:05 -08:00
parent 842eb27785
commit b321c5656e
2 changed files with 6 additions and 3 deletions
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5
basis/cpu/x86/64/bootstrap.factor
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@ -38,6 +38,11 @@ IN: bootstrap.x86
0 JMP f rc-relative rel-word-pic-tail 0 JMP f rc-relative rel-word-pic-tail
] jit-word-jump jit-define ] jit-word-jump jit-define
: jit-load-vm ( -- )
! no-op on x86-64. in factor contexts vm-reg always contains the
! vm pointer.
;
: jit-load-context ( -- ) : jit-load-context ( -- )
ctx-reg vm-reg vm-context-offset [+] MOV ; ctx-reg vm-reg vm-context-offset [+] MOV ;

4
basis/cpu/x86/bootstrap.factor
View File

@ -104,9 +104,7 @@ big-endian off
PUSHF PUSHF
! on x86-32 we need to load the vm register jit-load-vm ;
! on x86-64 it's already loaded whenever we're in a factor context
bootstrap-cell 4 = [ jit-load-vm ] when ;
: jit-signal-handler-epilog ( -- ) : jit-signal-handler-epilog ( -- )
POPF POPF