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[llvm-objdump] Dump PT_OPENBSD_{BOOTDATA,RANDOMIZE,WXNEEDED}.

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PR: 31641
llvm-svn: 292167
This commit is contained in:
Davide Italiano 2017-01-16 22:01:41 +00:00
parent 8a7070d44f
commit 38ce2ccec8
2 changed files with 29 additions and 0 deletions
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20
test/tools/llvm-objdump/X86/openbsd-headers.test Normal file
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@ -0,0 +1,20 @@
## openbsd-phdrs.elf-x86-64 was generated using GNU ld (GNU Binutils for Ubuntu) 2.26.1.
## llvm-mc -filetype=obj -triple=x86_64-pc-linux test.s -o main.o
## ld -script linker.script main.o -o openbsd-phdrs.elf-x86-64
##
## test.s is an empty file.
## linker.script:
## PHDRS { text PT_LOAD FILEHDR PHDRS; foo 0x65a3dbe6; bar 0x65a3dbe7; zed 0x65a41be6; }
## Where 0x65a3dbe6 is the value of PT_OPENBSD_RANDOMIZE,
## 0x65a3dbe7 is the value of PT_OPENBSD_WXNEEDED,
## 0x65a41be6 is the value of PT_OPENBSD_BOOTDATA
## SECTIONS { . = SIZEOF_HEADERS; .all : { *(.*) } : text }
RUN: llvm-objdump -p %p/../../../Object/Inputs/openbsd-phdrs.elf-x86-64 \
RUN: | FileCheck %s
CHECK: OPENBSD_RANDOMIZE off 0x0000000000000000 vaddr 0x0000000000000000 paddr 0x0000000000000000 align 2**3
CHECK-NEXT: filesz 0x0000000000000000 memsz 0x0000000000000000 flags ---
CHECK-NEXT: OPENBSD_WXNEEDED off 0x0000000000000000 vaddr 0x0000000000000000 paddr 0x0000000000000000 align 2**3
CHECK-NEXT: filesz 0x0000000000000000 memsz 0x0000000000000000 flags ---
CHECK-NEXT: OPENBSD_BOOTDATA off 0x0000000000000000 vaddr 0x0000000000000000 paddr 0x0000000000000000 align 2**3
CHECK-NEXT: filesz 0x0000000000000000 memsz 0x0000000000000000 flags ---

9
tools/llvm-objdump/ELFDump.cpp
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@ -45,6 +45,15 @@ template <class ELFT> void printProgramHeaders(const ELFFile<ELFT> *o) {
case ELF::PT_LOAD:
outs() << " LOAD ";
break;
case ELF::PT_OPENBSD_BOOTDATA:
outs() << " OPENBSD_BOOTDATA ";
break;
case ELF::PT_OPENBSD_RANDOMIZE:
outs() << " OPENBSD_RANDOMIZE ";
break;
case ELF::PT_OPENBSD_WXNEEDED:
outs() << " OPENBSD_WXNEEDED ";
break;
case ELF::PT_PHDR:
outs() << " PHDR ";
break;