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Fix comment

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modified:   stub/src/arch/amd64/bxx.S
This commit is contained in:
John Reiser 2017-03-25 20:05:32 -07:00
parent 9651c70efd
commit 254259b354
1 changed files with 3 additions and 2 deletions
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5
src/stub/src/arch/amd64/bxx.S
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@ -35,8 +35,9 @@ amdbxx: # (*f_unf)(xo->buf, out_len, h.b_cto8, h.b_ftid);
#ifndef NO_METHOD_CHECK
cmpl $0x49,ftid; jne ckend0 # filter: JMP, CALL, 6-byte Jxx
push %rbx # save
#endif
push %rbx # save
push %rdi; lea (1 -4)(%rdi,%rsi),%rcx # beyond last possible displacement
pop %rsi # start of buffer
push %rsi
@ -66,9 +67,9 @@ ckstart:
cmpq %rcx,%rsi; jae ckend
lodsb; jmp ckloop2 # 0x0F prefix would overlap previous displacement
ckend:
#ifndef NO_METHOD_CHECK
pop %rbx # restore
ckend0:
#ifndef NO_METHOD_CHECK
ret
#endif