[llvm-dev] How to get absolute address of llvm-objdump
Haishan via llvm-dev
llvm-dev at lists.llvm.org
Sat Dec 12 00:57:24 PST 2020
I used llvm-objdump to dump aarch64 binary, but it prints relative address of .rodata section in adrp instruction.
Like:
llvm-objdump
400848: 02 00 00 90 adrp x2, #0x0
40084c: 42 60 29 91 add x2, x2, #0xa58
400850: 44 48 63 38 ldrb w4, [x2, w3, uxtw]
400854: 65 00 00 10 adr x5, #0xc
400858: a4 88 24 8b add x4, x5, w4, sxtb #2
40085c: 80 00 1f d6 br x4
Moreover, when debug llvm-objdump binary, this adrp MCInst express by MCExpr which Kind is MCExpr::Target, not immediate.
But I used objdump tools of binutils, it prints absolute address. Such as:
400848: 90000002 adrp x2, 400000 <_init-0x518>
40084c: 91296042 add x2, x2, #0xa58
400850: 38634844 ldrb w4, [x2,w3,uxtw]
400854: 10000065 adr x5, 400860 <local+0x48>
400858: 8b2488a4 add x4, x5, w4, sxtb #2
40085c: d61f0080 br x4
So How to get absolute address with llvm MCInst?
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