b1d960000c
Currently only test for local libunwind. We should check all supported platforms so we can use them to parse perf.data with callchain info on different machines. Signed-off-by: He Kuang <hekuang@huawei.com> Acked-by: Jiri Olsa <jolsa@kernel.org> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Ekaterina Tumanova <tumanova@linux.vnet.ibm.com> Cc: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Kan Liang <kan.liang@intel.com> Cc: Masami Hiramatsu <mhiramat@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Pekka Enberg <penberg@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Cc: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/r/1462866037-30382-4-git-send-email-hekuang@huawei.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
28 lines
611 B
C
28 lines
611 B
C
#include <libunwind-x86.h>
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#include <stdlib.h>
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extern int UNW_OBJ(dwarf_search_unwind_table) (unw_addr_space_t as,
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unw_word_t ip,
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unw_dyn_info_t *di,
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unw_proc_info_t *pi,
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int need_unwind_info, void *arg);
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#define dwarf_search_unwind_table UNW_OBJ(dwarf_search_unwind_table)
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static unw_accessors_t accessors;
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int main(void)
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{
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unw_addr_space_t addr_space;
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addr_space = unw_create_addr_space(&accessors, 0);
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if (addr_space)
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return 0;
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unw_init_remote(NULL, addr_space, NULL);
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dwarf_search_unwind_table(addr_space, 0, NULL, NULL, 0, NULL);
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return 0;
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}
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