[llvm] [BOLT][AArch64] Create entry points for addresses referenced by dynamic relocations and allow getNewFunctionOrDataAddress to map addrs inside functions. (PR #120267)

[Amir Ayupov via llvm-commits]

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@@ -0,0 +1,39 @@
+# RUN: llvm-mc -filetype=obj -triple aarch64-unknown-unknown %s -o %t.o
+# RUN: %clang %cflags %t.o -o %t.exe -Wl,-q
+# RUN: llvm-bolt %t.exe -o %t.bolt 2>&1 | FileCheck %s
+
+## Before bolt could handle mapping addresses within moved functions, it
+## would bail out with an error of the form:
+## BOLT-ERROR: unable to get new address corresponding to input address 0x10390 in function main. Consider adding this function to --skip-funcs=...
+## These addresses arise if computed GOTO is in use.
+## Check that bolt does not emit any error.
+
+# CHECK-NOT: BOLT-ERROR
----------------
aaupov wrote:

Please check whether 
- Label0 and Label1 have dynamic relocations, 
- that we register entry points for them, 
- that BOLT actually processes the containing function, 
- and that we properly update these dyn relocs.

https://github.com/llvm/llvm-project/pull/120267