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Add support for other relocation bases to jump tables, as well as custom asm directives

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30593 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Andrew Lenharth
2006-09-24 19:45:58 +00:00
parent b08659d2e5
commit beec30eaf3
6 changed files with 29 additions and 4 deletions
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11
lib/CodeGen/AsmPrinter.cpp
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@@ -187,7 +187,10 @@ void AsmPrinter::EmitJumpTableInfo(MachineJumpTableInfo *MJTI) {
// JTEntryDirective is a string to print sizeof(ptr) for non-PIC jump tables,
// and 32 bits for PIC since PIC jump table entries are differences, not
// pointers to blocks.
const char *JTEntryDirective = TAI->getData32bitsDirective();
// Use the architecture specific relocation directive, if it is set
const char *JTEntryDirective = TAI->getJumpTableDirective();
if (!JTEntryDirective)
JTEntryDirective = TAI->getData32bitsDirective();
// Pick the directive to use to print the jump table entries, and switch to
// the appropriate section.
@@ -227,8 +230,10 @@ void AsmPrinter::EmitJumpTableInfo(MachineJumpTableInfo *MJTI) {
<< '_' << i << "_set_" << JTBBs[ii]->getNumber();
} else if (TM.getRelocationModel() == Reloc::PIC_) {
printBasicBlockLabel(JTBBs[ii], false, false);
O << '-' << TAI->getPrivateGlobalPrefix() << "JTI"
<< getFunctionNumber() << '_' << i;
//If the arch uses custom Jump Table directives, don't calc relative to JT
if (!TAI->getJumpTableDirective())
O << '-' << TAI->getPrivateGlobalPrefix() << "JTI"
<< getFunctionNumber() << '_' << i;
} else {
printBasicBlockLabel(JTBBs[ii], false, false);
}