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Simple ELF32/64 binary files can now be emitted for x86 and x86_64 without

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relocation sections.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73038 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bruno Cardoso Lopes
2009-06-07 21:22:38 +00:00
parent faeedf1254
commit a029a27fae
6 changed files with 174 additions and 60 deletions
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13
include/llvm/Support/OutputBuffer.h
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@@ -134,11 +134,22 @@ namespace llvm {
P[2] = (X >> (isLittleEndian ? 16 : 8)) & 255;
P[3] = (X >> (isLittleEndian ? 24 : 0)) & 255;
}
void fixxword(uint64_t X, unsigned Offset) {
unsigned char *P = &Output[Offset];
P[0] = (X >> (isLittleEndian ? 0 : 56)) & 255;
P[1] = (X >> (isLittleEndian ? 8 : 48)) & 255;
P[2] = (X >> (isLittleEndian ? 16 : 40)) & 255;
P[3] = (X >> (isLittleEndian ? 24 : 32)) & 255;
P[4] = (X >> (isLittleEndian ? 32 : 24)) & 255;
P[5] = (X >> (isLittleEndian ? 40 : 16)) & 255;
P[6] = (X >> (isLittleEndian ? 48 : 8)) & 255;
P[7] = (X >> (isLittleEndian ? 56 : 0)) & 255;
}
void fixaddr(uint64_t X, unsigned Offset) {
if (!is64Bit)
fixword((unsigned)X, Offset);
else
assert(0 && "Emission of 64-bit data not implemented yet!");
fixxword(X, Offset);
}
unsigned char &operator[](unsigned Index) {