test/tools/llvm-readobj/ELF/mips-plt.test

# RUN: llvm-readobj -A %p/Inputs/got-plt.exe.elf-mipsel | FileCheck %s
# RUN: llvm-readelf -A %p/Inputs/got-plt.exe.elf-mipsel | FileCheck --check-prefix=GNU %s

# CHECK:      PLT GOT {
# CHECK-NEXT:   Reserved entries [
# CHECK-NEXT:     Entry {
# CHECK-NEXT:       Address: 0x410814
# CHECK-NEXT:       Initial: 0x0
# CHECK-NEXT:       Purpose: PLT lazy resolver
# CHECK-NEXT:     }
# CHECK-NEXT:     Entry {
# CHECK-NEXT:       Address: 0x410818
# CHECK-NEXT:       Initial: 0x0
# CHECK-NEXT:       Purpose: Module pointer
# CHECK-NEXT:     }
# CHECK-NEXT:   ]
# CHECK-NEXT:   Entries [
# CHECK-NEXT:     Entry {
# CHECK-NEXT:       Address: 0x41081C
# CHECK-NEXT:       Initial: 0x4007C0
# CHECK-NEXT:       Value: 0x0
# CHECK-NEXT:       Type: Function (0x2)
# CHECK-NEXT:       Section: Undefined (0x0)
# CHECK-NEXT:       Name: puts@GLIBC_2.0 (71)
# CHECK-NEXT:     }
# CHECK-NEXT:     Entry {
# CHECK-NEXT:       Address: 0x410820
# CHECK-NEXT:       Initial: 0x4007C0
# CHECK-NEXT:       Value: 0x0
# CHECK-NEXT:       Type: Function (0x2)
# CHECK-NEXT:       Section: Undefined (0x0)
# CHECK-NEXT:       Name: __libc_start_main@GLIBC_2.0 (53)
# CHECK-NEXT:     }
# CHECK-NEXT:   ]
# CHECK-NEXT: }

# GNU:      Primary GOT:
# GNU-NEXT:  Canonical gp value: 00418840

# GNU:       Reserved entries:
# GNU-NEXT:    Address     Access  Initial Purpose
# GNU-NEXT:   00410850 -32752(gp) 00000000 Lazy resolver
# GNU-NEXT:   00410854 -32748(gp) 80000000 Module pointer (GNU extension)

# GNU:       Local entries:
# GNU-NEXT:    Address     Access  Initial
# GNU-NEXT:   00410858 -32744(gp) 004003d4
# GNU-NEXT:   0041085c -32740(gp) 00410800
# GNU-NEXT:   00410860 -32736(gp) 00000000

# GNU:       Global entries:
# GNU-NEXT:    Address     Access  Initial Sym.Val. Type    Ndx Name
# GNU-NEXT:   00410864 -32732(gp) 00000000 00000000 FUNC    UND __gmon_start__
# GNU-NEXT: PLT GOT:

# GNU:       Reserved entries:
# GNU-NEXT:    Address  Initial Purpose
# GNU-NEXT:   00410814 00000000 PLT lazy resolver
# GNU-NEXT:   00410818 00000000 Module pointer

# GNU:       Entries:
# GNU-NEXT:    Address  Initial Sym.Val. Type    Ndx Name
# GNU-NEXT:   0041081c 004007c0 00000000 FUNC    UND puts
# GNU-NEXT:   00410820 004007c0 00000000 FUNC    UND __libc_start_main

## Check we report errors when dynamic tags, needed for dumping PLT, are missing.

# RUN: yaml2obj --docnum=1 -DTAG=DT_MIPS_PLTGOT %s -o %t.err1.o
# RUN: not llvm-readobj -A %t.err1.o 2>&1 | FileCheck %s -DFILE=%t.err1.o --check-prefix=ERR1

# ERR1: error: '[[FILE]]': cannot find JMPREL dynamic tag

# RUN: yaml2obj --docnum=1 -DTAG=DT_JMPREL %s -o %t.err2.o
# RUN: not llvm-readobj -A %t.err2.o 2>&1 | FileCheck %s -DFILE=%t.err2.o --check-prefix=ERR2

# ERR2: error: '[[FILE]]': cannot find MIPS_PLTGOT dynamic tag

--- !ELF
FileHeader:
  Class:   ELFCLASS64
  Data:    ELFDATA2LSB
  Type:    ET_EXEC
  Machine: EM_MIPS
Sections:
  - Name: .dynamic
    Type: SHT_DYNAMIC
    Entries:
      - Tag:   [[TAG]]
        Value: 0
      - Tag:   DT_NULL
        Value: 0

## Check we report errors when we are unable to find PLTGOT/JMPREL sections.
# RUN: yaml2obj --docnum=2 %s -DVAL1=0xffff -o %t.err3.o
# RUN: not llvm-readobj -A %t.err3.o 2>&1 | FileCheck %s -DFILE=%t.err3.o -check-prefix ERR3

# ERR3: error: '[[FILE]]': there is no non-empty PLTGOT section at 0xffff

# RUN: yaml2obj --docnum=2 %s -DVAL2=0xffff -o %t.err4.o
# RUN: not llvm-readobj -A %t.err4.o 2>&1 | FileCheck %s -DFILE=%t.err4.o -check-prefix ERR4

# ERR4: error: '[[FILE]]': there is no non-empty RELPLT section at 0xffff

--- !ELF
FileHeader:
  Class:   ELFCLASS64
  Data:    ELFDATA2LSB
  Type:    ET_EXEC
  Machine: EM_MIPS
Sections:
  - Name: .dynamic
    Type: SHT_DYNAMIC
    Entries:
      - Tag:   DT_MIPS_PLTGOT
        Value: [[VAL1=0]]
      - Tag:   DT_JMPREL
        Value: [[VAL2=0]]
      - Tag:   DT_NULL
        Value: 0
  - Name:    .foo
    Type:    SHT_PROGBITS
    Address: 0x100
    ShSize:  0xffffffff
    Link:    [[LINK=0x1]]
DynamicSymbols: []

## Check we report errors when we are unable to dump PLTGOT properly.

# RUN: yaml2obj --docnum=2 -DVAL1=0x100 %s -o %t.err5.o
# RUN: not llvm-readobj -A %t.err5.o 2>&1 | FileCheck %s -DFILE=%t.err5.o -check-prefix ERR5

# ERR5: error: '[[FILE]]': unable to read PLTGOT section content: section [index 2] has a sh_offset (0x70) + sh_size (0xffffffff) that is greater than the file size (0x280)

# RUN: yaml2obj --docnum=2 -DVAL2=0x100 -DLINK=0xaaaaaaaa %s -o %t.err6.o
# RUN: not llvm-readobj -A %t.err6.o 2>&1 | FileCheck %s -DFILE=%t.err6.o -check-prefix ERR6

# ERR6: error: '[[FILE]]': unable to get a symbol table linked to the SHT_PROGBITS section with index 2: invalid section index: 2863311530

# RUN: yaml2obj --docnum=2 -DVAL2=0x100 %s -o %t.err7.o
# RUN: not llvm-readobj -A %t.err7.o 2>&1 | FileCheck %s -DFILE=%t.err7.o -check-prefix ERR7

# ERR7: error: '[[FILE]]': unable to get a string table for the SHT_DYNAMIC section with index 1: invalid sh_type for symbol table, expected SHT_SYMTAB or SHT_DYNSYM