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elf_resolve_symbol(): If a weak undefined symbol could not be resolved,

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return 0 as its address.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@37412 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Ingo Weinhold
2010-07-06 15:41:33 +00:00
parent 59c754571e
commit 4d7859f031
1 changed files with 6 additions and 0 deletions
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src/system/kernel/elf.cpp
+6
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@@ -991,6 +991,12 @@ elf_resolve_symbol(struct elf_image_info *image, struct Elf32_Sym *symbol,
newSymbol = elf_find_symbol(sharedImage, symbolName, versionInfo, newSymbol = elf_find_symbol(sharedImage, symbolName, versionInfo,
false); false);
if (newSymbol == NULL) { if (newSymbol == NULL) {
// Weak undefined symbols get a value of 0, if unresolved.
if (ELF32_ST_BIND(symbol->st_info) == STB_WEAK) {
*_symbolAddress = 0;
return B_OK;
}
dprintf("\"%s\": could not resolve symbol '%s'\n", dprintf("\"%s\": could not resolve symbol '%s'\n",
image->name, symbolName); image->name, symbolName);
return B_MISSING_SYMBOL; return B_MISSING_SYMBOL;