[llvm-bugs] [Bug 31641] New: llvm-objdump -p does not recognize certain phdr types

[via llvm-bugs]

https://llvm.org/bugs/show_bug.cgi?id=31641

            Bug ID: 31641
           Summary: llvm-objdump -p does not recognize certain phdr types
           Product: new-bugs
           Version: trunk
          Hardware: All
                OS: OpenBSD
            Status: NEW
          Severity: normal
          Priority: P
         Component: new bugs
          Assignee: unassignedbugs at nondot.org
          Reporter: brad at comstyle.com
                CC: llvm-bugs at lists.llvm.org
    Classification: Unclassified

Looking towards utilizing llvm-objdump as a replacement for GNU objdump on
OpenBSD and while looking at the differences in output for some of the common
uses I noticed llvm-objdump does not recognize some phdr types.

GNU objdump..

$ objdump -p qemu-system-x86_64                                                 

qemu-system-x86_64:     file format elf64-x86-64

Program Header:
    PHDR off    0x0000000000000040 vaddr 0x0000000000000040 paddr
0x0000000000000040 align 2**3
         filesz 0x0000000000000268 memsz 0x0000000000000268 flags r-x
  INTERP off    0x000000000034f51e vaddr 0x000000000044f51e paddr
0x000000000044f51e align 2**0
         filesz 0x0000000000000013 memsz 0x0000000000000013 flags r--
    LOAD off    0x0000000000000000 vaddr 0x0000000000000000 paddr
0x0000000000000000 align 2**20
         filesz 0x000000000034f51e memsz 0x000000000034f51e flags r-x
    LOAD off    0x000000000034f51e vaddr 0x000000000044f51e paddr
0x000000000044f51e align 2**20
         filesz 0x00000000003e4ffe memsz 0x00000000003e4ffe flags r--
    LOAD off    0x0000000000734de8 vaddr 0x0000000000934de8 paddr
0x0000000000934de8 align 2**20
         filesz 0x0000000000227bd8 memsz 0x0000000000665360 flags rw-
 DYNAMIC off    0x00000000008ee380 vaddr 0x0000000000aee380 paddr
0x0000000000aee380 align 2**3
         filesz 0x00000000000004b0 memsz 0x00000000000004b0 flags rw-
    NOTE off    0x000000000034f534 vaddr 0x000000000044f534 paddr
0x000000000044f534 align 2**2
         filesz 0x0000000000000018 memsz 0x0000000000000018 flags r--
EH_FRAME off    0x0000000000673fc0 vaddr 0x0000000000773fc0 paddr
0x0000000000773fc0 align 2**2
         filesz 0x000000000001bb3c memsz 0x000000000001bb3c flags r--
OPENBSD_WXNEEDED off    0x0000000000000000 vaddr 0x0000000000000000 paddr
0x0000000000000000 align 2**3
         filesz 0x0000000000000000 memsz 0x0000000000000000 flags --x
OPENBSD_RANDOMIZE off    0x0000000000734de8 vaddr 0x0000000000934de8 paddr
0x0000000000934de8 align 2**3
         filesz 0x0000000000000008 memsz 0x0000000000000008 flags rw-
   RELRO off    0x0000000000734de8 vaddr 0x0000000000934de8 paddr
0x0000000000934de8 align 2**6
         filesz 0x00000000001c0208 memsz 0x00000000001c0208 flags r--

llvm-objdump..
$ llvm-objdump -p qemu-system-x86_64 

qemu-system-x86_64:     file format ELF64-x86-64

Program Header:
    PHDR off    0x0000000000000040 vaddr 0x0000000000000040 paddr
0x0000000000000040 align 2**3
         filesz 0x0000000000000268 memsz 0x0000000000000268 flags r-x
  INTERP off    0x000000000034f51e vaddr 0x000000000044f51e paddr
0x000000000044f51e align 2**0
         filesz 0x0000000000000013 memsz 0x0000000000000013 flags r--
    LOAD off    0x0000000000000000 vaddr 0x0000000000000000 paddr
0x0000000000000000 align 2**20
         filesz 0x000000000034f51e memsz 0x000000000034f51e flags r-x
    LOAD off    0x000000000034f51e vaddr 0x000000000044f51e paddr
0x000000000044f51e align 2**20
         filesz 0x00000000003e4ffe memsz 0x00000000003e4ffe flags r--
    LOAD off    0x0000000000734de8 vaddr 0x0000000000934de8 paddr
0x0000000000934de8 align 2**20
         filesz 0x0000000000227bd8 memsz 0x0000000000665360 flags rw-
 DYNAMIC off    0x00000000008ee380 vaddr 0x0000000000aee380 paddr
0x0000000000aee380 align 2**3
         filesz 0x00000000000004b0 memsz 0x00000000000004b0 flags rw-
 UNKNOWN off    0x000000000034f534 vaddr 0x000000000044f534 paddr
0x000000000044f534 align 2**2
         filesz 0x0000000000000018 memsz 0x0000000000000018 flags r--
EH_FRAME off    0x0000000000673fc0 vaddr 0x0000000000773fc0 paddr
0x0000000000773fc0 align 2**2
         filesz 0x000000000001bb3c memsz 0x000000000001bb3c flags r--
 UNKNOWN off    0x0000000000000000 vaddr 0x0000000000000000 paddr
0x0000000000000000 align 2**3
         filesz 0x0000000000000000 memsz 0x0000000000000000 flags --x
 UNKNOWN off    0x0000000000734de8 vaddr 0x0000000000934de8 paddr
0x0000000000934de8 align 2**3
         filesz 0x0000000000000008 memsz 0x0000000000000008 flags rw-
 UNKNOWN off    0x0000000000734de8 vaddr 0x0000000000934de8 paddr
0x0000000000934de8 align 2**6
         filesz 0x00000000001c0208 memsz 0x00000000001c0208 flags r--

And for a sparc64 kernel.

$ objdump -p bsd

bsd:     file format elf64-big

Program Header:
    LOAD off    0x0000000000008000 vaddr 0x0000000001000000 paddr
0x0000000001000000 align 2**15
         filesz 0x00000000007e7018 memsz 0x00000000007e7018 flags rwx
    LOAD off    0x00000000007ef020 vaddr 0x0000000001800000 paddr
0x0000000001800000 align 2**5
         filesz 0x000000000002f610 memsz 0x00000000000d464c flags rw-
OPENBSD_RANDOMIZE off    0x00000000007ecc10 vaddr 0x00000000017e4c10 paddr
0x00000000017e4c10 align 2**3
         filesz 0x0000000000002408 memsz 0x0000000000002408 flags rw-
OPENBSD_BOOTDATA off    0x000000000081e5f0 vaddr 0x000000000182f5d0 paddr
0x000000000182f5d0 align 2**0
         filesz 0x0000000000000040 memsz 0x0000000000000040 flags rw-

$ llvm-objdump -p bsd

bsd:    file format ELF64-sparc

Program Header:
    LOAD off    0x0000000000008000 vaddr 0x0000000001000000 paddr
0x0000000001000000 align 2**15
         filesz 0x00000000007e7018 memsz 0x00000000007e7018 flags rwx
    LOAD off    0x00000000007ef020 vaddr 0x0000000001800000 paddr
0x0000000001800000 align 2**5
         filesz 0x000000000002f610 memsz 0x00000000000d464c flags rw-
 UNKNOWN off    0x00000000007ecc10 vaddr 0x00000000017e4c10 paddr
0x00000000017e4c10 align 2**3
         filesz 0x0000000000002408 memsz 0x0000000000002408 flags rw-
 UNKNOWN off    0x000000000081e5f0 vaddr 0x000000000182f5d0 paddr
0x000000000182f5d0 align 2**0
         filesz 0x0000000000000040 memsz 0x0000000000000040 flags rw-

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