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ircd::mods::ldso: Add ifdefs for weak function undefining on other platforms.

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This commit is contained in:
Jason Volk 2019-07-13 18:42:01 -07:00
parent 4b961099cc
commit 9343d0ea2b
1 changed files with 10 additions and 0 deletions
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10
ircd/mods_ldso.cc
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@ -20,6 +20,7 @@
//
// mods/ldso.h
//
#if defined(HAVE_LINK_H)
bool
ircd::mods::ldso::for_each_needed(const struct link_map &map,
@ -48,6 +49,7 @@ ircd::mods::ldso::for_each_needed(const struct link_map &map,
return true;
}
#if defined(HAVE_ELF_H)
ircd::string_view
ircd::mods::ldso::string(const struct link_map &map,
const size_t &idx)
@ -71,6 +73,7 @@ ircd::mods::ldso::string(const struct link_map &map,
string_view{str}:
string_view{};
}
#endif
struct link_map &
ircd::mods::ldso::get(const string_view &name)
@ -232,6 +235,8 @@ ircd::mods::ldso::fullname(const struct link_map &map)
return map.l_name;
}
#endif // defined(HAVE_LINK_H)
///////////////////////////////////////////////////////////////////////////////
//
// Symbolic dl-error redefinition to throw our C++ exception for the symbol
@ -242,6 +247,7 @@ ircd::mods::ldso::fullname(const struct link_map &map)
// transit from here through libdl and out of a random PLT slot. non-call-
// exceptions does not appear to be necessary, at least for FUNC symbols.
//
#if defined(HAVE_DLFCN_H)
// glibc/sysdeps/generic/ldsodefs.h
struct dl_exception
@ -285,10 +291,13 @@ _dl_signal_exception(int errcode,
};
}
#endif // defined(HAVE_DLFCN_H
///////////////////////////////////////////////////////////////////////////////
//
// symbolic dlsym hook
//
#ifdef HAVE_DLFCN_H
#ifdef IRCD_MODS_HOOK_DLSYM
extern "C" void *
@ -311,3 +320,4 @@ dlsym(void *const handle,
}
#endif IRCD_MODS_HOOK_DLSYM
#endif HAVE_DLFCN_H