Date: Sun, 13 Sep 1998 11:46:57 -0400 (EDT) From: Luoqi Chen <luoqi@watermarkgroup.com> To: committers@freebsd.org Subject: src/lib/libc/i386/sys/Ovfork.S Message-ID: <199809131546.LAA06774@lor.watermarkgroup.com>
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I was looking at Ovfork.S today and I saw some problem with the code. Another instance of the common cut 'n paste mistakes, I suppose. -lq ENTRY(vfork) popl %ecx /* my rta into ecx */ ^^^^^^^^^^^^ <== store return address in %ecx lea SYS_vfork,%eax KERNCALL jb verror vforkok: cmpl $0,%edx /* child process? */ jne child /* yes */ jmp parent .globl CNAME(__error) .type CNAME(__error),@function verror: pushl %eax #ifdef PIC call PIC_PLT(CNAME(__error)) #else call CNAME(__error) #endif popl %ecx ^^^^^^^^^^^^ <== errno, overwrite return address movl %ecx,(%eax) movl $-1,%eax movl $-1,%edx jmp %ecx ^^^^^^^^^^^^ <== jump to errno? child: movl $0,%eax parent: jmp %ecx
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