| ## REQUIRES: x86 |
| ## Test that we can parse SHT_GNU_verneed in a shared object and report certain errors. |
| |
| # RUN: echo '.globl _start; _start:' | llvm-mc -filetype=obj -triple=x86_64 - -o %t.o |
| |
| ## sh_offset(SHT_GNU_verneed) is out of bounds. |
| # RUN: yaml2obj --docnum=1 %s -o %t1.so |
| # RUN: not ld.lld %t.o %t1.so -o /dev/null 2>&1 | FileCheck --check-prefix=SHOFFSET %s |
| # SHOFFSET: error: {{.*}}.so: section [index 1] has a sh_offset (0xffffffff) + sh_size (0x0) that is greater than the file size (0x168) |
| --- !ELF |
| FileHeader: |
| Class: ELFCLASS64 |
| Data: ELFDATA2LSB |
| Type: ET_DYN |
| Machine: EM_X86_64 |
| Sections: |
| - Name: .gnu.version_r |
| Type: SHT_GNU_verneed |
| Flags: [ SHF_ALLOC ] |
| ShOffset: 0xFFFFFFFF |
| |
| ## A Verneed entry is misaligned (not a multiple of 4). This may happen |
| ## some interface shared objects. We use memcpy to read the fields, so |
| ## misalignment isn't a problem and there is no need to diagnose. |
| # RUN: yaml2obj --docnum=2 %s -o %t2.so |
| # RUN: ld.lld %t.o %t2.so -o /dev/null |
| --- !ELF |
| FileHeader: |
| Class: ELFCLASS64 |
| Data: ELFDATA2LSB |
| Type: ET_DYN |
| Machine: EM_X86_64 |
| Sections: |
| - Type: Fill |
| Size: 0x1 |
| - Name: .gnu.version_r |
| Type: SHT_GNU_verneed |
| Flags: [ SHF_ALLOC ] |
| Dependencies: |
| - Version: 1 |
| File: foo |
| Entries: |
| - Name: 'foo' |
| Hash: 0 |
| Flags: 0 |
| Other: 0 |
| DynamicSymbols: |
| - Name: foo |
| |
| ## vn_aux points to a place outside of the file. |
| # RUN: yaml2obj --docnum=3 -D VERNEED=0100010001000000040200000000000000000000 %s -o %t3.so |
| # RUN: not ld.lld %t.o %t3.so -o /dev/null 2>&1 | FileCheck --check-prefix=AUX-OOB %s |
| # AUX-OOB: {{.*}}.so has an invalid Vernaux |
| --- !ELF |
| FileHeader: |
| Class: ELFCLASS64 |
| Data: ELFDATA2LSB |
| Type: ET_DYN |
| Machine: EM_X86_64 |
| Sections: |
| - Name: .gnu.version_r |
| Type: SHT_GNU_verneed |
| Flags: [ SHF_ALLOC ] |
| Info: 1 |
| Content: "[[VERNEED]]" |
| DynamicSymbols: |
| - Name: foo |
| |
| ## vn_aux is misaligned. |
| # RUN: yaml2obj --docnum=3 -D VERNEED=0100010001000000110000000000000000000000 %s -o %t4.so |
| # RUN: not ld.lld %t.o %t4.so -o /dev/null 2>&1 | FileCheck --check-prefix=AUX-MISALIGNED %s |
| # AUX-MISALIGNED: {{.*}}.so has an invalid Vernaux |
| |
| ## vna_name is out of bounds. |
| # RUN: yaml2obj --docnum=3 -D VERNEED=010001000000000010000000000000009107000000000000ff00000000000000 %s -o %t5.so |
| # RUN: not ld.lld %t.o %t5.so -o /dev/null 2>&1 | FileCheck --check-prefix=NAME-OOB %s |
| # NAME-OOB: {{.*}}.so has a Vernaux with an invalid vna_name |