| ## Checks that the tool is able to read section groups from ELF. |
| |
| ## Check how groups sections are dumped. |
| ## Check we don't dump the "EntSize" key when sh_entsize == 4. |
| |
| # RUN: yaml2obj %s -o %t1.o |
| # RUN: obj2yaml %t1.o | FileCheck %s -DSEC=.rodata |
| |
| # CHECK: - Name: .group |
| # CHECK-NEXT: Type: SHT_GROUP |
| # CHECK-NEXT: Link: .symtab |
| # CHECK-NEXT: Info: signature |
| # CHECK-NEXT: Members: |
| # CHECK-NEXT: - SectionOrType: GRP_COMDAT |
| # CHECK-NEXT: - SectionOrType: [[SEC]] |
| # CHECK-NEXT: - Name: |
| |
| --- !ELF |
| FileHeader: |
| Class: ELFCLASS64 |
| Data: ELFDATA2LSB |
| Type: ET_REL |
| Sections: |
| - Name: .group |
| Type: SHT_GROUP |
| Link: .symtab |
| Info: [[INFO=signature]] |
| EntSize: [[ENTSIZE=<none>]] |
| Members: |
| - SectionOrType: GRP_COMDAT |
| - SectionOrType: [[SEC=.rodata]] |
| - Name: .rodata |
| Type: SHT_PROGBITS |
| Symbols: |
| - Name: signature |
| Type: STT_OBJECT |
| Section: .rodata |
| |
| ## Document that yaml2obj can't dump the SHT_GROUP section when its sh_entsize != 4. |
| |
| # RUN: yaml2obj %s -DENTSIZE=0xfe -o %t1.entsize.o |
| # RUN: not obj2yaml %t1.entsize.o 2>&1 | \ |
| # RUN: FileCheck %s -DFILE=%t1.entsize.o --check-prefix=ENTSIZE |
| |
| # ENTSIZE: Error reading file: [[FILE]]: section [index 1] has invalid sh_entsize: expected 4, but got 254 |
| |
| ## Check we are able to dump members of the SHT_GROUP section even when |
| ## one of them has section index 0. |
| |
| # RUN: yaml2obj -DSEC=0 %s -o %tnull.o |
| # RUN: obj2yaml %tnull.o | FileCheck %s -DSEC="''" |
| |
| ## Check obj2yaml report an error when sh_info field of |
| ## group section contains invalid (too large) signature symbol index. |
| |
| # RUN: yaml2obj -DINFO=0xFF %s -o %t2.o |
| # RUN: not obj2yaml %t2.o 2>&1 | FileCheck %s -DFILE=%t2.o --check-prefix=ERR |
| |
| # ERR: Error reading file: [[FILE]]: unable to get symbol from section [index 3]: invalid symbol index (255) |