f6d725324a
This patch extracts common unwind-libunwind APIs out of unwind-libunwind-local.c, this part will be used by both local and remote libunwind. 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/1464924803-22214-9-git-send-email-hekuang@huawei.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
38 lines
973 B
C
38 lines
973 B
C
#include "unwind.h"
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#include "thread.h"
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struct unwind_libunwind_ops __weak *local_unwind_libunwind_ops;
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static void unwind__register_ops(struct thread *thread,
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struct unwind_libunwind_ops *ops)
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{
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thread->unwind_libunwind_ops = ops;
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}
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int unwind__prepare_access(struct thread *thread)
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{
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unwind__register_ops(thread, local_unwind_libunwind_ops);
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return thread->unwind_libunwind_ops->prepare_access(thread);
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}
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void unwind__flush_access(struct thread *thread)
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{
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if (thread->unwind_libunwind_ops)
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thread->unwind_libunwind_ops->flush_access(thread);
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}
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void unwind__finish_access(struct thread *thread)
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{
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if (thread->unwind_libunwind_ops)
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thread->unwind_libunwind_ops->finish_access(thread);
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}
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int unwind__get_entries(unwind_entry_cb_t cb, void *arg,
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struct thread *thread,
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struct perf_sample *data, int max_stack)
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{
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if (thread->unwind_libunwind_ops)
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return thread->unwind_libunwind_ops->get_entries(cb, arg, thread, data, max_stack);
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return 0;
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}
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