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https://github.com/tobast/libunwind-eh_elf.git
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64 lines
1.7 KiB
C
64 lines
1.7 KiB
C
#include <stdio.h>
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#include "internal.h"
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#ifndef UNW_REMOTE_ONLY
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static inline int
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local_find_proc_info (unw_addr_space_t as, unw_word_t ip,
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unw_proc_info_t *pi,
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int need_unwind_info, void *arg)
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{
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unw_dyn_info_t *di;
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for (di = _U_dyn_info_list.first; di; di = di->next)
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if (ip >= di->start_ip && ip < di->end_ip)
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return unwi_extract_dynamic_proc_info (as, ip, pi, di, need_unwind_info,
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arg);
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return -UNW_ENOINFO;
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}
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#endif /* UNW_REMOTE_ONLY */
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static inline int
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remote_find_proc_info (unw_addr_space_t as, unw_word_t ip, unw_proc_info_t *pi,
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int need_unwind_info, void *arg)
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{
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unw_word_t generation;
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int ret;
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ret = unwi_dyn_remote_find_proc_info (as, ip, pi, &generation,
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need_unwind_info, arg);
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if (ret < 0)
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return ret;
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/* Note: this can't go into dyn-remote.c because that file get's
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compiled exactly once (there are no separate local/general
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versions) and the call to unw_flush_cache() must evaluate to
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either the local or generic version. */
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if (as->dyn_generation != generation)
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{
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unw_flush_cache (as, 0, 0);
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as->dyn_generation = generation;
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}
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return 0;
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}
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HIDDEN int
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unwi_find_dynamic_proc_info (unw_addr_space_t as, unw_word_t ip,
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unw_proc_info_t *pi, int need_unwind_info,
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void *arg)
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{
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#ifdef UNW_LOCAL_ONLY
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return local_find_proc_info (as, ip, pi, need_unwind_info, arg);
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#else
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# ifdef UNW_REMOTE_ONLY
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return remote_find_proc_info (as, ip, pi, need_unwind_info, arg);
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# else
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if (as == unw_local_addr_space)
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return local_find_proc_info (as, ip, pi, need_unwind_info, arg);
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else
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return remote_find_proc_info (as, ip, pi, need_unwind_info, arg);
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# endif
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#endif
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}
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