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This commit is contained in:
Rui Ueyama 2020-11-11 17:25:00 +09:00
parent a87d9986f9
commit 0d5570bd42
1 changed files with 18 additions and 26 deletions
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44
main.cc
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@ -335,39 +335,25 @@ static void scan_rels(ArrayRef<ObjectFile *> files) {
tbb::parallel_for_each(files, [&](ObjectFile *file) { file->scan_relocations(); }); tbb::parallel_for_each(files, [&](ObjectFile *file) { file->scan_relocations(); });
u32 got_offset = 0;
u32 gotplt_offset = 0;
u32 plt_offset = 0;
u32 relplt_offset = 0;
u32 dynsym_offset = 0;
u32 dynstr_offset = 0;
for (ObjectFile *file : files) { for (ObjectFile *file : files) {
file->got_offset = got_offset; file->got_offset = out::got.shdr.sh_size;
got_offset += file->got_size; out::got.shdr.sh_size += file->got_size;
file->gotplt_offset = gotplt_offset; file->gotplt_offset = out::gotplt.shdr.sh_size;
gotplt_offset += file->gotplt_size; out::gotplt.shdr.sh_size += file->gotplt_size;
file->plt_offset = plt_offset; file->plt_offset = out::plt.shdr.sh_size;
plt_offset += file->plt_size; out::plt.shdr.sh_size += file->plt_size;
file->relplt_offset = relplt_offset; file->relplt_offset = out::relplt.shdr.sh_size;
relplt_offset += file->relplt_size; out::relplt.shdr.sh_size += file->relplt_size;
file->dynsym_offset = dynsym_offset; file->dynsym_offset = out::dynsym.shdr.sh_size;
dynsym_offset += file->dynsym_size; out::dynsym.shdr.sh_size += file->dynsym_size;
file->dynstr_offset = dynstr_offset; file->dynstr_offset = out::dynstr.shdr.sh_size;
dynstr_offset += file->dynstr_size; out::dynstr.shdr.sh_size += file->dynstr_size;
} }
out::got.shdr.sh_size = got_offset;
out::gotplt.shdr.sh_size = gotplt_offset;
out::plt.shdr.sh_size = plt_offset;
out::relplt.shdr.sh_size = relplt_offset;
out::dynsym.shdr.sh_size = dynsym_offset;
out::dynstr.shdr.sh_size = dynstr_offset;
} }
static void assign_got_offsets(ArrayRef<ObjectFile *> files) { static void assign_got_offsets(ArrayRef<ObjectFile *> files) {
@ -428,6 +414,8 @@ static void write_got(u8 *buf, ArrayRef<ObjectFile *> files) {
u8 *got = buf + out::got.shdr.sh_offset; u8 *got = buf + out::got.shdr.sh_offset;
u8 *plt = buf + out::plt.shdr.sh_offset; u8 *plt = buf + out::plt.shdr.sh_offset;
u8 *relplt = buf + out::relplt.shdr.sh_offset; u8 *relplt = buf + out::relplt.shdr.sh_offset;
u8 *dynsym = buf + out::dynsym.shdr.sh_offset;
u8 *dynstr = buf + out::dynstr.shdr.sh_offset;
memset(buf + out::gotplt.shdr.sh_offset, 0, out::gotplt.shdr.sh_size); memset(buf + out::gotplt.shdr.sh_offset, 0, out::gotplt.shdr.sh_size);
@ -457,6 +445,10 @@ static void write_got(u8 *buf, ArrayRef<ObjectFile *> files) {
rel->setType(R_X86_64_IRELATIVE, false); rel->setType(R_X86_64_IRELATIVE, false);
rel->r_addend = sym->get_addr(); rel->r_addend = sym->get_addr();
} }
if (flags & Symbol::NEEDS_DYNSYM) {
auto *dsym = (ELF64LE::Sym *)(dynsym + sym->dynsym_offset);
}
} }
}); });
} }