Date: Wed, 21 Apr 2010 11:17:16 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r206992 - head/sys/amd64/ia32 Message-ID: <201004211117.o3LBHGOm036981@svn.freebsd.org>
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Author: kib Date: Wed Apr 21 11:17:16 2010 New Revision: 206992 URL: http://svn.freebsd.org/changeset/base/206992 Log: As was done in r155238 for i386 and in r155239 for amd64, clear the carry flag for ia32 binary executed on amd64 host in get_mcontext(). PR: kern/92110 (one more time) Reported by: stas MFC after: 1 week Modified: head/sys/amd64/ia32/ia32_signal.c Modified: head/sys/amd64/ia32/ia32_signal.c ============================================================================== --- head/sys/amd64/ia32/ia32_signal.c Wed Apr 21 11:11:11 2010 (r206991) +++ head/sys/amd64/ia32/ia32_signal.c Wed Apr 21 11:17:16 2010 (r206992) @@ -141,9 +141,11 @@ ia32_get_mcontext(struct thread *td, str mcp->mc_esi = tp->tf_rsi; mcp->mc_ebp = tp->tf_rbp; mcp->mc_isp = tp->tf_rsp; + mcp->mc_eflags = tp->tf_rflags; if (flags & GET_MC_CLEAR_RET) { mcp->mc_eax = 0; mcp->mc_edx = 0; + mcp->mc_eflags &= ~PSL_C; } else { mcp->mc_eax = tp->tf_rax; mcp->mc_edx = tp->tf_rdx; @@ -152,7 +154,6 @@ ia32_get_mcontext(struct thread *td, str mcp->mc_ecx = tp->tf_rcx; mcp->mc_eip = tp->tf_rip; mcp->mc_cs = tp->tf_cs; - mcp->mc_eflags = tp->tf_rflags; mcp->mc_esp = tp->tf_rsp; mcp->mc_ss = tp->tf_ss; mcp->mc_len = sizeof(*mcp);
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