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#include "crash-stack.h"
#include <elfutils/libdwfl.h>
#include <elfutils/version.h>
#if _ELFUTILS_PREREQ(0, 158)
static int frame_callback(Dwfl_Frame *state, void *arg)
{
Callstack *callstack = (Callstack*)arg;
Dwarf_Addr address;
dwfl_frame_pc(state, &address, NULL);
callstack->tab[callstack->elems++] = address;
return callstack->elems < MAX_CALLSTACK_LEN ? DWARF_CB_OK : DWARF_CB_ABORT;
}
static int thread_callback(Dwfl_Thread *thread, void *thread_arg)
{
dwfl_thread_getframes(thread, frame_callback, thread_arg);
return DWARF_CB_ABORT;
}
#endif
void *get_place_for_register_value(const char *regname, int regnum)
{
return 0;
}
void create_crash_stack(Dwfl *dwfl, Elf *core, pid_t pid, Mappings *mappings, Callstack *callstack)
{
callstack->elems = 0;
#if _ELFUTILS_PREREQ(0, 158)
dwfl_getthreads(dwfl, thread_callback, callstack);
#endif
}
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