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* Hack: if we can't find .rel.dyn, use .rel.got. No idea if this

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makes sense.
This commit is contained in:
Eelco Dolstra
2006-03-03 21:57:07 +00:00
parent 020c2393cf
commit fc5cb4be7a
1 changed files with 20 additions and 5 deletions
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25
src/patchelf.cc
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@@ -215,11 +215,20 @@ static string getSectionName(const Elf32_Shdr & shdr)
} }
static Elf32_Shdr & findSection(const SectionName & sectionName) static Elf32_Shdr * findSection2(const SectionName & sectionName)
{ {
for (unsigned int i = 1; i < hdr->e_shnum; ++i) for (unsigned int i = 1; i < hdr->e_shnum; ++i)
if (getSectionName(shdrs[i]) == sectionName) return shdrs[i]; if (getSectionName(shdrs[i]) == sectionName) return &shdrs[i];
error("cannot find section"); return 0;
}
static Elf32_Shdr & findSection(const SectionName & sectionName)
{
Elf32_Shdr * shdr = findSection2(sectionName);
if (!shdr)
error("cannot find section " + sectionName);
return *shdr;
} }
@@ -426,8 +435,14 @@ static void rewriteSections()
dyn->d_un.d_ptr = findSection(".hash").sh_addr; dyn->d_un.d_ptr = findSection(".hash").sh_addr;
else if (dyn->d_tag == DT_JMPREL) else if (dyn->d_tag == DT_JMPREL)
dyn->d_un.d_ptr = findSection(".rel.plt").sh_addr; dyn->d_un.d_ptr = findSection(".rel.plt").sh_addr;
else if (dyn->d_tag == DT_REL) else if (dyn->d_tag == DT_REL) { /* !!! hack! */
dyn->d_un.d_ptr = findSection(".rel.dyn").sh_addr; Elf32_Shdr * shdr = findSection2(".rel.dyn");
/* no idea if this makes sense, but it was needed for some
program*/
if (!shdr) shdr = findSection2(".rel.got");
if (!shdr) error("cannot find .rel.dyn or .rel.got");
dyn->d_un.d_ptr = shdr->sh_addr;
}
else if (dyn->d_tag == DT_VERNEED) else if (dyn->d_tag == DT_VERNEED)
dyn->d_un.d_ptr = findSection(".gnu.version_r").sh_addr; dyn->d_un.d_ptr = findSection(".gnu.version_r").sh_addr;
else if (dyn->d_tag == DT_VERSYM) else if (dyn->d_tag == DT_VERSYM)