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delay adding a symbol for the section name.

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This commit is contained in:
Kelvin Sherlock 2017-01-21 00:11:55 -05:00
parent e9383cfcdc
commit 253a3ccc49
1 changed files with 31 additions and 7 deletions
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38
link.cpp
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@ -474,7 +474,10 @@ void one_module(const std::vector<uint8_t> &data,
// duplicate label error... // duplicate label error...
} }
/*
// add entry for name? or handle via undefined symbol lookup below? // add entry for name? or handle via undefined symbol lookup below?
handled at end if symbol undeinfed.
sym.name = s.name; sym.name = s.name;
sym.section = virtual_section; sym.section = virtual_section;
@ -488,7 +491,7 @@ void one_module(const std::vector<uint8_t> &data,
} else { } else {
// duplicate label error... // duplicate label error...
} }
*/
sym.name = "_END_" + s.name; sym.name = "_END_" + s.name;
upper_case(sym.name); upper_case(sym.name);
@ -856,13 +859,34 @@ void generate_end() {
*/ */
for (const auto &s : sections) { for (const auto &s : sections) {
if (!s.end_symbol) continue;
symbol &sym = symbols[s.end_symbol];
sym.section = s.number; // if there is an undefined symbol matching the section name, add it.
sym.type = S_REL; if ((s.flags & SEC_NONAME) == 0) {
sym.flags = SF_DEF | SF_GBL;
sym.offset = s.size; auto iter = symbol_map.find(s.name);
if (iter != symbol_map.end()) {
symbol &sym = symbols[iter->second];
if (sym.type == S_UND) {
undefined_symbols.erase(s.name);
sym.section = s.number;
sym.type = S_REL;
sym.flags = SF_DEF | SF_GBL;
sym.offset = 0;
}
}
}
if (s.end_symbol) {
symbol &sym = symbols[s.end_symbol];
sym.section = s.number;
sym.type = S_REL;
sym.flags = SF_DEF | SF_GBL;
sym.offset = s.size;
}
} }