| # REQUIRES: x86 |
| |
| # Test that mimics a use case of -n to produce a kernel mapped shared-object |
| # in a non paged context. We specifically want to test: |
| # - We can allocate the headers into the first program header (via PHDRS) |
| # typically -n does not allocate headers. |
| # - The alignment of the .text section is not page aligned. |
| |
| # RUN: echo ".text; .globl foo; foo: nop" > %t.s |
| # RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %t.s -o %t.o |
| # RUN: ld.lld %t.o -o %t.so --shared --hash-style=sysv --script %s |
| # RUN: llvm-readobj --program-headers %t.so | FileCheck %s |
| # RUN: ld.lld %t.o -o %t2.so --shared --hash-style=sysv -n --script %s |
| # RUN: llvm-readobj --program-headers %t2.so | FileCheck %s --check-prefix=CHECK-N |
| |
| SECTIONS { |
| . = 0x0 + SIZEOF_HEADERS; |
| .hash : { *(.hash) } :text |
| .dynsym : { *(.dynsym) } |
| .dynstr : { *(.dynstr) } |
| . = ALIGN(4); |
| .text : { *(.text*) } |
| .dynamic : { *(.dynamic) } :text :dynamic |
| } |
| |
| PHDRS { |
| text PT_LOAD FLAGS(5) FILEHDR PHDRS; |
| dynamic PT_DYNAMIC FLAGS(4); |
| } |
| |
| # CHECK: ProgramHeaders [ |
| # CHECK-NEXT: ProgramHeader { |
| # CHECK-NEXT: Type: PT_LOAD |
| # CHECK-NEXT: Offset: 0x0 |
| # CHECK-NEXT: VirtualAddress: 0x0 |
| # CHECK-NEXT: PhysicalAddress: 0x0 |
| # CHECK-NEXT: FileSize: |
| # CHECK-NEXT: MemSize: |
| # CHECK-NEXT: Flags [ |
| # CHECK-NEXT: PF_R |
| # CHECK-NEXT: PF_X |
| # CHECK-NEXT: ] |
| # CHECK-NEXT: Alignment: 4096 |
| # CHECK-NEXT: } |
| # CHECK-NEXT: ProgramHeader { |
| # CHECK-NEXT: Type: PT_DYNAMIC |
| # CHECK-NEXT: Offset: 0x108 |
| # CHECK-NEXT: VirtualAddress: 0x108 |
| # CHECK-NEXT: PhysicalAddress: 0x108 |
| # CHECK-NEXT: FileSize: |
| # CHECK-NEXT: MemSize: |
| # CHECK-NEXT: Flags [ |
| # CHECK-NEXT: PF_R |
| # CHECK-NEXT: ] |
| # CHECK-NEXT: Alignment: 8 |
| # CHECK-NEXT: } |
| # CHECK-NEXT: ] |
| |
| # CHECK-N: ProgramHeaders [ |
| # CHECK-N-NEXT: ProgramHeader { |
| # CHECK-N-NEXT: Type: PT_LOAD |
| # CHECK-N-NEXT: Offset: 0x0 |
| # CHECK-N-NEXT: VirtualAddress: 0x0 |
| # CHECK-N-NEXT: PhysicalAddress: 0x0 |
| # CHECK-N-NEXT: FileSize: 360 |
| # CHECK-N-NEXT: MemSize: 360 |
| # CHECK-N-NEXT: Flags [ |
| # CHECK-N-NEXT: PF_R |
| # CHECK-N-NEXT: PF_X |
| # CHECK-N-NEXT: ] |
| # CHECK-N-NEXT: Alignment: 8 |
| # CHECK-N-NEXT: } |
| # CHECK-N-NEXT: ProgramHeader { |
| # CHECK-N-NEXT: Type: PT_DYNAMIC |
| # CHECK-N-NEXT: Offset: 0x108 |
| # CHECK-N-NEXT: VirtualAddress: 0x108 |
| # CHECK-N-NEXT: PhysicalAddress: 0x108 |
| # CHECK-N-NEXT: FileSize: |
| # CHECK-N-NEXT: MemSize: |
| # CHECK-N-NEXT: Flags [ |
| # CHECK-N-NEXT: PF_R |
| # CHECK-N-NEXT: ] |
| # CHECK-N-NEXT: Alignment: 8 |
| # CHECK-N-NEXT: } |
| # CHECK-N-NEXT: ] |