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Allow per-character control over what target assemblers allow in symbol

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names.  This also changes the default to allow all of "$_." in addition
to letters and numbers as symbol names.  If you don't want this, use
markCharUnacceptable to remove one of these or markCharAcceptable to add
to the set.  This corresponds with what GAS accepts by default.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24291 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-11-10 21:39:12 +00:00
parent fa25e48412
commit d35f605613
1 changed files with 17 additions and 0 deletions
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17
include/llvm/Support/Mangler.h
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@ -51,6 +51,10 @@ class Mangler {
/// mangled in the current module.
///
std::set<const GlobalValue*> MangledGlobals;
/// AcceptableChars - This bitfield contains a one for each character that is
/// allowed to be part of an unmangled name.
unsigned AcceptableChars[256/32];
public:
// Mangler ctor - if a prefix is specified, it will be prepended onto all
@ -61,6 +65,19 @@ public:
/// strings for assembler labels.
void setUseQuotes(bool Val) { UseQuotes = Val; }
/// Acceptable Characters - This allows the target to specify which characters
/// are acceptable to the assembler without being mangled. By default we
/// allow letters, numbers, '_', '$', and '.', which is what GAS accepts.
void markCharAcceptable(unsigned char X) {
AcceptableChars[X/32] |= 1 << (X&31);
}
void markCharUnacceptable(unsigned char X) {
AcceptableChars[X/32] &= ~(1 << (X&31));
}
bool isCharAcceptable(unsigned char X) const {
return (AcceptableChars[X/32] & (1 << (X&31))) != 0;
}
/// getTypeID - Return a unique ID for the specified LLVM type.
///
unsigned getTypeID(const Type *Ty);