本文整理汇总了C++中Section::getRelocs方法的典型用法代码示例。如果您正苦于以下问题：C++ Section::getRelocs方法的具体用法？C++ Section::getRelocs怎么用？C++ Section::getRelocs使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Section的用法示例。
在下文中一共展示了Section::getRelocs方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: if
void
CoffSymbol::Write(Bytes& bytes,
const Symbol& sym,
DiagnosticsEngine& diags,
StringTable& strtab) const
{
int vis = sym.getVisibility();
IntNum value = 0;
unsigned int scnum = 0xfffe; // -2 = debugging symbol
unsigned long scnlen = 0; // for sect auxent
unsigned long nreloc = 0; // for sect auxent
// Look at symrec for value/scnum/etc.
Location loc;
if (sym.getLabel(&loc))
{
Section* sect = 0;
if (loc.bc)
sect = loc.bc->getContainer()->getSection();
// it's a label: get value and offset.
// If there is not a section, leave as debugging symbol.
if (sect)
{
CoffSection* coffsect = sect->getAssocData<CoffSection>();
assert(coffsect != 0);
scnum = coffsect->m_scnum;
scnlen = coffsect->m_size;
nreloc = sect->getRelocs().size();
value = sect->getVMA();
if (loc.bc)
value += loc.getOffset();
}
}
else if (const Expr* equ_expr_c = sym.getEqu())
{
Expr equ_expr = *equ_expr_c;
if (!ExpandEqu(equ_expr))
{
diags.Report(sym.getDefSource(), diag::err_equ_circular_reference);
return;
}
SimplifyCalcDist(equ_expr, diags);
// trivial case: simple integer
if (equ_expr.isIntNum())
{
scnum = 0xffff; // -1 = absolute symbol
value = equ_expr.getIntNum();
}
else
{
// otherwise might contain relocatable value (e.g. symbol alias)
std::auto_ptr<Expr> equ_expr_p(new Expr);
equ_expr_p->swap(equ_expr);
Value val(64, equ_expr_p);
val.setSource(sym.getDefSource());
if (!val.Finalize(diags, diag::err_equ_too_complex))
return;
if (val.isComplexRelative())
{
diags.Report(sym.getDefSource(), diag::err_equ_too_complex);
return;
}
// set section appropriately based on if value is relative
if (val.isRelative())
{
SymbolRef rel = val.getRelative();
Location loc;
if (!rel->getLabel(&loc) || !loc.bc)
{
// Referencing an undefined label?
// GNU as silently allows this... but doesn't gen the symbol?
// We make it an error instead.
diags.Report(sym.getDefSource(), diag::err_equ_too_complex);
return;
}
Section* sect = loc.bc->getContainer()->getSection();
CoffSection* coffsect = sect->getAssocData<CoffSection>();
assert(coffsect != 0);
scnum = coffsect->m_scnum;
value = sect->getVMA() + loc.getOffset();
}
else
{
scnum = 0xffff; // -1 = absolute symbol
value = 0;
}
// add in any remaining absolute portion
if (Expr* abs = val.getAbs())
{
SimplifyCalcDist(*abs, diags);
if (abs->isIntNum())
value += abs->getIntNum();
else
diags.Report(sym.getDefSource(), diag::err_equ_not_integer);
//.........这里部分代码省略.........
示例2: assert
void
XdfOutput::OutputSection(Section& sect)
{
BytecodeOutput* outputter = this;
XdfSection* xsect = sect.getAssocData<XdfSection>();
assert(xsect != NULL);
uint64_t pos;
if (sect.isBSS())
{
// Don't output BSS sections.
outputter = &m_no_output;
pos = 0; // position = 0 because it's not in the file
}
else
{
pos = m_os.tell();
if (m_os.has_error())
{
Diag(SourceLocation(), diag::err_file_output_position);
return;
}
}
// Output bytecodes
xsect->size = 0;
for (Section::bc_iterator i=sect.bytecodes_begin(),
end=sect.bytecodes_end(); i != end; ++i)
{
if (i->Output(*outputter))
xsect->size += i->getTotalLen();
}
// Sanity check final section size
assert(xsect->size == sect.bytecodes_back().getNextOffset());
// Empty? Go on to next section
if (xsect->size == 0)
return;
sect.setFilePos(static_cast<unsigned long>(pos));
// No relocations to output? Go on to next section
if (sect.getRelocs().size() == 0)
return;
pos = m_os.tell();
if (m_os.has_error())
{
Diag(SourceLocation(), diag::err_file_output_position);
return;
}
xsect->relptr = static_cast<unsigned long>(pos);
for (Section::const_reloc_iterator i=sect.relocs_begin(),
end=sect.relocs_end(); i != end; ++i)
{
const XdfReloc& reloc = static_cast<const XdfReloc&>(*i);
Bytes& scratch = getScratch();
reloc.Write(scratch);
assert(scratch.size() == RELOC_SIZE);
m_os << scratch;
}
}