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[libunwind] Remove dubious template function. NFC.

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Per review by Don Hinton.

llvm-svn: 321448
This commit is contained in:
whitequark 2017-12-25 21:08:41 +00:00
parent 0ca61e8ae3
commit 99bbb213b5
1 changed files with 3 additions and 7 deletions
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10
libunwind/src/DwarfParser.hpp
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@ -25,10 +25,6 @@
namespace libunwind {
// Avoid relying on C++ headers.
template <class T>
static constexpr T pint_max_value() { return ~0; }
/// CFI_Parser does basic parsing of a CFI (Call Frame Information) records.
/// See DWARF Spec for details:
/// http://refspecs.linuxbase.org/LSB_3.1.0/LSB-Core-generic/LSB-Core-generic/ehframechpt.html
@ -543,7 +539,7 @@ bool CFI_Parser<A>::parseInstructions(A &addressSpace, pint_t instructions,
results->cfaRegister = 0;
results->cfaExpression = (int64_t)p;
length = addressSpace.getULEB128(p, instructionsEnd);
assert(length < pint_max_value<pint_t>() && "pointer overflow");
assert(length < static_cast<pint_t>(~0) && "pointer overflow");
p += static_cast<pint_t>(length);
_LIBUNWIND_TRACE_DWARF("DW_CFA_def_cfa_expression(expression=0x%" PRIx64
", length=%" PRIu64 ")\n",
@ -559,7 +555,7 @@ bool CFI_Parser<A>::parseInstructions(A &addressSpace, pint_t instructions,
results->savedRegisters[reg].location = kRegisterAtExpression;
results->savedRegisters[reg].value = (int64_t)p;
length = addressSpace.getULEB128(p, instructionsEnd);
assert(length < pint_max_value<pint_t>() && "pointer overflow");
assert(length < static_cast<pint_t>(~0) && "pointer overflow");
p += static_cast<pint_t>(length);
_LIBUNWIND_TRACE_DWARF("DW_CFA_expression(reg=%" PRIu64 ", "
"expression=0x%" PRIx64 ", "
@ -645,7 +641,7 @@ bool CFI_Parser<A>::parseInstructions(A &addressSpace, pint_t instructions,
results->savedRegisters[reg].location = kRegisterIsExpression;
results->savedRegisters[reg].value = (int64_t)p;
length = addressSpace.getULEB128(p, instructionsEnd);
assert(length < pint_max_value<pint_t>() && "pointer overflow");
assert(length < static_cast<pint_t>(~0) && "pointer overflow");
p += static_cast<pint_t>(length);
_LIBUNWIND_TRACE_DWARF("DW_CFA_val_expression(reg=%" PRIu64 ", "
"expression=0x%" PRIx64 ", length=%" PRIu64 ")\n",