Displaying 4 results from an estimated 4 matches for "setbind".
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2012 Oct 16
0
[LLVMdev] R_ARM_ABS32 disassembly with integrated-as
Hi Greg,
I'm afraid I've not looked into the infrastructure Jim put into place,
so I've not really been able to answer the "how should I do it"
questions, but hopefully I can comment on the ABI.
> And probably questions for Tim, are these "section-relative" mapping
> symbols, as defined in 4.6.5.1 of the ELF for ARM document?
Yes, they are.
> And what
2012 Oct 17
0
[LLVMdev] R_ARM_ABS32 disassembly with integrated-as
...ot; : "$a";
+ StringRef UniqueName = Name.str() + "." + itostr(MappingSymbolCounter++);
+ MCSymbol *Symbol = getContext().GetOrCreateSymbol(UniqueName);
+
+ MCSymbolData &SD = getAssembler().getOrCreateSymbolData(*Symbol);
+ MCELF::SetType(SD, ELF::STT_NOTYPE);
+ MCELF::SetBinding(SD, ELF::STB_LOCAL);
+ SD.setExternal(false);
+ Symbol->setSection(*getCurrentSection());
+
+ const MCExpr *Value = MCSymbolRefExpr::Create(Start, getContext());
+ Symbol->setVariableValue(Value);
+}
+
+void MCELFStreamer::EmitDataRegion(MCDataRegionType Kind) {
+ switch (Kind) {
+...
2012 Oct 16
2
[LLVMdev] R_ARM_ABS32 disassembly with integrated-as
Attached is an example of how to reproduce the issue. It uses a C
file that happens to has a bunch of switch statements which are
encoded as jump tables, giving us data-in-code. Usage:
To build object files with clang via the -integrated-as versus via GCC:
$ export NDK_DIR=<my_ndk_dir>
$ export LLVM_DIR=<my_llvm_bin_dir>
$ make
To test that the generated objects contain the same
2012 Oct 16
5
[LLVMdev] R_ARM_ABS32 disassembly with integrated-as
Getting closer... When emitting symbols, how do I set the symbol's value
to the address of the current instruction? Do I need to emit a label in
the current section and another that uses the former to point to the
latter? If possible, a code sample would be very helpful.
And probably questions for Tim, are these "section-relative" mapping
symbols, as defined in 4.6.5.1 of the