[llvm-bugs] [Bug 32982] New: ARM/AArch64: Fill gaps in .text with trap instructionsm

via llvm-bugs llvm-bugs at lists.llvm.org
Tue May 9 13:13:29 PDT 2017


            Bug ID: 32982
           Summary: ARM/AArch64: Fill gaps in .text with trap
           Product: lld
           Version: unspecified
          Hardware: All
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: ELF
          Assignee: unassignedbugs at nondot.org
          Reporter: ruiu at google.com
                CC: llvm-bugs at lists.llvm.org

For x86 and x86-64, we will gaps in a .text section with 0xCC (a trap
instruction) to (a) make disassembly beautiful compared to leaving them 0 and
(b) catch fall-through errors if that happens.

I wonder if we want to do the same thing for ARM/AArch64.

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