if (arg->context == 0) {
		arg->context = 1;
	}
}

void tcTraceback(void* parg) {
	int base, i;
	struct cgoTracebackArg* arg = (struct cgoTracebackArg*)(parg);
	if (arg->context == 0 && arg->sigContext == 0) {
		// This shouldn't happen in this program.
		abort();
	}
	// Return a variable number of PC values.
	base = arg->context << 8;
	for (i = 0; i < arg->context; i++) {
		if (i < arg->max) {
			arg->buf[i] = base + i;

// since runtime/pprof ignores the runtime.goexit base frame if it exists.
void pprofCgoTraceback(void* parg) {
	struct cgoTracebackArg* arg = (struct cgoTracebackArg*)(parg);
	arg->buf[0] = (uintptr_t)(cpuHog) + 0x10;
	arg->buf[1] = (uintptr_t)(cpuHog2) + 0x4;
	arg->buf[2] = 0;
}
*/
import "C"

import (
	"fmt"
	"os"
	"runtime"
	"runtime/pprof"
	"time"
	"unsafe"
)

	uintptr_t   data;
};

void cgoTraceback(void* parg) {
	struct cgoTracebackArg* arg = (struct cgoTracebackArg*)(parg);
	arg->buf[0] = 1;
	arg->buf[1] = 2;
	arg->buf[2] = 3;
	arg->buf[3] = 0;
}

void cgoSymbolizer(void* parg) {
	struct cgoSymbolizerArg* arg = (struct cgoSymbolizerArg*)(parg);
	if (arg->pc != arg->data + 1) {
		arg->file = "unexpected data";
	} else {
		arg->file = "cgo symbolizer";
	}

	uintptr_t context;
        uintptr_t sigContext;
	uintptr_t *buf;
        uintptr_t max;
};

void CollectCgoTraceback(void* parg) {
        struct CgoTracebackArg* arg = (struct CgoTracebackArg*)(parg);
	arg->buf[0] = (uintptr_t)(CPUHogCFunction0);
	arg->buf[1] = (uintptr_t)(CPUHogCFunction);
	arg->buf[2] = 0;
};
*/
import "C"

import (
	"log"
	"os"
	"runtime"
	"runtime/pprof"
	"time"
	"unsafe"
)

grep '%patch' "${SPEC}" |while read cmd ; do
  N=$(echo "${cmd}" |sed 's,%patch\([0-9]\+\).*,\1,')
  file=$(grep "Patch$N:" "${SPEC}" |sed 's,.*: ,,')
  parg=$(echo "${cmd}" |sed 's,.*\(-p[0-9]\).*,\1,')
  if [[ ! "${file}" =~ doxygen && "${cmd}" != \#* ]]; then
    echo "patch ${parg} -s < ${file}"
    patch ${parg} -s < "${file}"
  fi

// license that can be found in the LICENSE file.

package main

// Test taking a goroutine profile with C traceback.

/*
// Defined in gprof_c.c.
void CallGoSleep(void);
void gprofCgoTraceback(void* parg);
void gprofCgoContext(void* parg);
*/
import "C"

import (
	"fmt"
	"io"
	"runtime"
	"runtime/pprof"
	"time"
	"unsafe"
)

func init() {
	register("GoroutineProfile", GoroutineProfile)
}

/*
#cgo CFLAGS: -g -O0

// Defined in traceback_c.c.
extern int crashInGo;
int tracebackF1(void);
void cgoTraceback(void* parg);
void cgoSymbolizer(void* parg);
*/
import "C"

import (
	"runtime"
	"unsafe"
)

func init() {
	register("CrashTraceback", CrashTraceback)
	register("CrashTracebackGo", CrashTracebackGo)
}

// size of the hash table (1 << 10) and knows that the hash function
// is simply multiplicative.
void raceprofTraceback(void* parg) {
	struct cgoTracebackArg* arg = (struct cgoTracebackArg*)(parg);
	raceprofCount++;
	arg->buf[0] = raceprofCount * (1 << 10);
	arg->buf[1] = 0;
}

static void* raceprofThread(void* p) {
	int i;

	for (i = 0; i < 100; i++) {
		pthread_kill(pthread_self(), SIGPROF);

	uintptr_t* buf;
	uintptr_t max;
};

// msanGoTraceback is registered as the cgo traceback function.
// This will be called when a signal occurs.
void msanGoTraceback(void* parg) {
	struct cgoTracebackArg* arg = (struct cgoTracebackArg*)(parg);
        arg->buf[0] = 0;
}

// msanGoWait will be called with all registers undefined as far as
// msan is concerned. It just waits for a signal.

// C thread are in cpuHog.
void pprofCgoThreadTraceback(void* parg) {
	struct cgoTracebackArg* arg = (struct cgoTracebackArg*)(parg);
	if (pthread_self() == tid) {
		arg->buf[0] = (uintptr_t)(cpuHogThread) + 0x10;
		arg->buf[1] = (uintptr_t)(cpuHogThread2) + 0x4;
		arg->buf[2] = 0;
	} else
		arg->buf[0] = 0;
}

static void* cpuHogDriver(void* arg __attribute__ ((unused))) {
	while (1) {
		cpuHogThread();
	}