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31 lines
852 B
Plaintext
31 lines
852 B
Plaintext
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Index: i386/i386/trap.c
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===================================================================
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RCS file: /home/cvs/cvs/src/sys/i386/i386/trap.c,v
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retrieving revision 1.133.2.1
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diff -u -u -r1.133.2.1 trap.c
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--- trap.c 1999/08/29 16:05:56 1.133.2.1
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+++ trap.c 1999/09/10 14:42:21
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@@ -1041,6 +1084,7 @@
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int error;
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int args[8];
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u_int code;
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+ int tracedsyscall = ((frame.tf_eflags & PSL_T) && !(frame.tf_eflags & PSL_VM));
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#ifdef DIAGNOSTIC
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if (ISPL(frame.tf_cs) != SEL_UPL)
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@@ -1135,10 +1179,12 @@
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break;
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}
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- if ((frame.tf_eflags & PSL_T) && !(frame.tf_eflags & PSL_VM)) {
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+ if (tracedsyscall) {
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/* Traced syscall. */
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frame.tf_eflags &= ~PSL_T;
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- trapsignal(p, SIGTRAP, 0);
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+ /* tell the signal handler this is a trace trap */
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+ frame.tf_trapno = T_TRCTRAP;
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+ trapsignal(p, SIGTRAP, T_TRCTRAP);
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}
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userret(p, &frame, sticks);
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