6a2d1e30e2
- Refreshed patches: 0 (config), 7 (sqlite encoding), 16 (rpath in config), 55 (systemtap), 111 (no static lib), 112 (debug build), 113 (more configuration flags), 130 (add extension to python config), 134 (fix COUNT_ALLOCS in test_sys), 146 (haslib FIPS), 147 (add debug malloc stats), 153 (fix gdb test noise), 157 (uid, gid overflow - fixed upstream, just keeping few more downstream tests), 165 (crypt module salt backport), 175 (fix configure Wformat), 5000 (regenerated autotooling patch) - Dropped patches: 101 (lib64 regex; merged upstream), 171 (exception on missing /dev/urandom; merged upstream), 172 (poll for multiprocessing socket connection; merged upstream)
199 lines
6.2 KiB
Diff
199 lines
6.2 KiB
Diff
diff -up Python-2.7rc1/configure.ac.systemtap Python-2.7rc1/configure.ac
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--- Python-2.7rc1/configure.ac.systemtap 2010-06-06 10:53:15.514975012 -0400
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+++ Python-2.7rc1/configure.ac 2010-06-06 10:53:15.520974361 -0400
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@@ -2616,6 +2616,38 @@ if test "$with_valgrind" != no; then
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)
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fi
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+# Check for dtrace support
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+AC_MSG_CHECKING(for --with-dtrace)
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+AC_ARG_WITH(dtrace,
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+ AC_HELP_STRING(--with(out)-dtrace, disable/enable dtrace support))
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+
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+if test ! -z "$with_dtrace"
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+then
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+ if dtrace -G -o /dev/null -s $srcdir/Include/pydtrace.d 2>/dev/null
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+ then
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+ AC_DEFINE(WITH_DTRACE, 1,
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+ [Define if you want to compile in Dtrace support])
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+ with_dtrace="Sun"
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+ DTRACEOBJS="Python/dtrace.o"
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+ DTRADEHDRS=""
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+ elif dtrace -h -o /dev/null -s $srcdir/Include/pydtrace.d
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+ then
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+ AC_DEFINE(WITH_DTRACE, 1,
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+ [Define if you want to compile in Dtrace support])
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+ with_dtrace="Apple"
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+ DTRACEOBJS=""
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+ DTRADEHDRS="pydtrace.h"
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+ else
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+ with_dtrace="no"
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+ fi
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+else
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+ with_dtrace="no"
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+fi
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+
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+AC_MSG_RESULT($with_dtrace)
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+AC_SUBST(DTRACEOBJS)
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+AC_SUBST(DTRACEHDRS)
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+
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# Check for --with-wctype-functions
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AC_MSG_CHECKING(for --with-wctype-functions)
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AC_ARG_WITH(wctype-functions,
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diff -up Python-2.7rc1/Include/pydtrace.d.systemtap Python-2.7rc1/Include/pydtrace.d
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--- Python-2.7rc1/Include/pydtrace.d.systemtap 2010-06-06 10:53:15.520974361 -0400
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+++ Python-2.7rc1/Include/pydtrace.d 2010-06-06 10:53:15.520974361 -0400
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@@ -0,0 +1,10 @@
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+provider python {
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+ probe function__entry(const char *, const char *, int);
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+ probe function__return(const char *, const char *, int);
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+};
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+
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+#pragma D attributes Evolving/Evolving/Common provider python provider
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+#pragma D attributes Private/Private/Common provider python module
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+#pragma D attributes Private/Private/Common provider python function
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+#pragma D attributes Evolving/Evolving/Common provider python name
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+#pragma D attributes Evolving/Evolving/Common provider python args
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diff -up Python-2.7rc1/Makefile.pre.in.systemtap Python-2.7rc1/Makefile.pre.in
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--- Python-2.7rc1/Makefile.pre.in.systemtap 2010-06-06 10:53:15.488978775 -0400
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+++ Python-2.7rc1/Makefile.pre.in 2010-06-06 11:05:30.411100568 -0400
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@@ -298,6 +298,7 @@ PYTHON_OBJS= \
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Python/formatter_unicode.o \
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Python/formatter_string.o \
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Python/$(DYNLOADFILE) \
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+ @DTRACEOBJS@ \
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$(LIBOBJS) \
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$(MACHDEP_OBJS) \
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$(THREADOBJ)
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@@ -599,6 +600,18 @@ Python/formatter_unicode.o: $(srcdir)/Py
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Python/formatter_string.o: $(srcdir)/Python/formatter_string.c \
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$(STRINGLIB_HEADERS)
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+# Only needed with --with-dtrace
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+buildinclude:
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+ mkdir -p Include
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+
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+Include/pydtrace.h: buildinclude $(srcdir)/Include/pydtrace.d
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+ dtrace -o $@ $(DFLAGS) -C -h -s $(srcdir)/Include/pydtrace.d
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+
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+Python/ceval.o: Include/pydtrace.h
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+
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+Python/dtrace.o: buildinclude $(srcdir)/Include/pydtrace.d Python/ceval.o
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+ dtrace -o $@ $(DFLAGS) -C -G -s $(srcdir)/Include/pydtrace.d Python/ceval.o
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+
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############################################################################
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# Header files
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@@ -1251,7 +1264,7 @@ Python/thread.o: @THREADHEADERS@
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.PHONY: frameworkinstall frameworkinstallframework frameworkinstallstructure
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.PHONY: frameworkinstallmaclib frameworkinstallapps frameworkinstallunixtools
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.PHONY: frameworkaltinstallunixtools recheck autoconf clean clobber distclean
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-.PHONY: smelly funny patchcheck touch altmaninstall
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+.PHONY: smelly funny patchcheck touch altmaninstall buildinclude
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.PHONY: gdbhooks
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# IF YOU PUT ANYTHING HERE IT WILL GO AWAY
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diff -up Python-2.7rc1/pyconfig.h.in.systemtap Python-2.7rc1/pyconfig.h.in
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--- Python-2.7rc1/pyconfig.h.in.systemtap 2010-05-08 07:04:18.000000000 -0400
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+++ Python-2.7rc1/pyconfig.h.in 2010-06-06 10:53:15.521974070 -0400
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@@ -1074,6 +1074,9 @@
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/* Define if you want documentation strings in extension modules */
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#undef WITH_DOC_STRINGS
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+/* Define if you want to compile in Dtrace support */
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+#undef WITH_DTRACE
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+
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/* Define if you want to use the new-style (Openstep, Rhapsody, MacOS) dynamic
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linker (dyld) instead of the old-style (NextStep) dynamic linker (rld).
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Dyld is necessary to support frameworks. */
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diff -up Python-2.7rc1/Python/ceval.c.systemtap Python-2.7rc1/Python/ceval.c
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--- Python-2.7rc1/Python/ceval.c.systemtap 2010-05-09 10:46:46.000000000 -0400
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+++ Python-2.7rc1/Python/ceval.c 2010-06-06 11:08:40.683100500 -0400
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@@ -19,6 +19,10 @@
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#include <ctype.h>
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+#ifdef WITH_DTRACE
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+#include "pydtrace.h"
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+#endif
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+
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#ifndef WITH_TSC
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#define READ_TIMESTAMP(var)
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@@ -671,6 +675,55 @@ PyEval_EvalCode(PyCodeObject *co, PyObje
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NULL);
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}
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+#ifdef WITH_DTRACE
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+static void
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+dtrace_entry(PyFrameObject *f)
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+{
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+ const char *filename;
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+ const char *fname;
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+ int lineno;
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+
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+ filename = PyString_AsString(f->f_code->co_filename);
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+ fname = PyString_AsString(f->f_code->co_name);
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+ lineno = PyCode_Addr2Line(f->f_code, f->f_lasti);
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+
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+ PYTHON_FUNCTION_ENTRY((char *)filename, (char *)fname, lineno);
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+
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+ /*
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+ * Currently a USDT tail-call will not receive the correct arguments.
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+ * Disable the tail call here.
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+ */
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+#if defined(__sparc)
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+ asm("nop");
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+#endif
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+}
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+
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+static void
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+dtrace_return(PyFrameObject *f)
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+{
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+ const char *filename;
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+ const char *fname;
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+ int lineno;
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+
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+ filename = PyString_AsString(f->f_code->co_filename);
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+ fname = PyString_AsString(f->f_code->co_name);
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+ lineno = PyCode_Addr2Line(f->f_code, f->f_lasti);
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+ PYTHON_FUNCTION_RETURN((char *)filename, (char *)fname, lineno);
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+
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+ /*
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+ * Currently a USDT tail-call will not receive the correct arguments.
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+ * Disable the tail call here.
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+ */
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+#if defined(__sparc)
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+ asm("nop");
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+#endif
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+}
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+#else
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+#define PYTHON_FUNCTION_ENTRY_ENABLED() 0
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+#define PYTHON_FUNCTION_RETURN_ENABLED() 0
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+#define dtrace_entry(f)
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+#define dtrace_return(f)
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+#endif
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/* Interpreter main loop */
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@@ -909,6 +962,9 @@ PyEval_EvalFrameEx(PyFrameObject *f, int
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}
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}
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+ if (PYTHON_FUNCTION_ENTRY_ENABLED())
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+ dtrace_entry(f);
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+
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co = f->f_code;
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names = co->co_names;
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consts = co->co_consts;
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@@ -3000,6 +3056,9 @@ fast_yield:
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/* pop frame */
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exit_eval_frame:
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+ if (PYTHON_FUNCTION_RETURN_ENABLED())
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+ dtrace_return(f);
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+
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Py_LeaveRecursiveCall();
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tstate->frame = f->f_back;
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