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ircd::mods::ldso: Improve exceptions for undefined symbols.

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This commit is contained in:
Jason Volk 2019-09-19 11:00:12 -07:00
parent 42f02d2aa7
commit 6b69fe2d24
1 changed files with 28 additions and 4 deletions
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32
ircd/mods_ldso.cc
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@ -267,21 +267,45 @@ _dl_signal_exception(int errcode,
struct dl_exception *e,
const char *occasion)
{
const ircd::unwind free
using namespace ircd;
const unwind free
{
std::bind(_dl_exception_free, e)
};
ircd::log::derror
assert(e);
log::derror
{
ircd::mods::log, "dynamic linker (%d) %s in `%s' :%s",
mods::log, "dynamic linker (%d) %s in `%s' :%s",
errcode,
occasion,
e->objname,
e->errstring
};
throw ircd::mods::error
static const auto &undefined_symbol_prefix
{
"undefined symbol: "
};
if(startswith(e->errstring, undefined_symbol_prefix))
{
const auto &mangled
{
lstrip(e->errstring, undefined_symbol_prefix)
};
throw mods::undefined_symbol
{
"%s %s (%s)",
e->objname,
demangle(mangled),
mangled,
};
}
throw mods::error
{
"%s in %s (%d) %s",
occasion,