| # REQUIRES: mips |
| # Check R_MIPS_GOT16 relocation calculation. |
| |
| # RUN: llvm-mc -filetype=obj -triple=mips-unknown-linux %s -o %t.o |
| # RUN: ld.lld %t.o -shared -o %t.so |
| # RUN: llvm-objdump -d -t %t.so | FileCheck %s |
| # RUN: llvm-readobj -r -mips-plt-got %t.so | FileCheck -check-prefix=GOT %s |
| |
| # CHECK: Disassembly of section .text: |
| # CHECK-NEXT: __start: |
| # CHECK-NEXT: 10000: 8f 88 80 18 lw $8, -32744($gp) |
| # CHECK-NEXT: 10004: 21 08 00 2c addi $8, $8, 44 |
| # CHECK-NEXT: 10008: 8f 88 80 24 lw $8, -32732($gp) |
| # CHECK-NEXT: 1000c: 21 08 90 00 addi $8, $8, -28672 |
| # CHECK-NEXT: 10010: 8f 88 80 28 lw $8, -32728($gp) |
| # CHECK-NEXT: 10014: 21 08 90 04 addi $8, $8, -28668 |
| # CHECK-NEXT: 10018: 8f 88 80 28 lw $8, -32728($gp) |
| # CHECK-NEXT: 1001c: 21 08 10 04 addi $8, $8, 4100 |
| # CHECK-NEXT: 10020: 8f 88 80 30 lw $8, -32720($gp) |
| # CHECK-NEXT: 10024: 21 08 10 08 addi $8, $8, 4104 |
| # CHECK-NEXT: 10028: 8f 88 80 34 lw $8, -32716($gp) |
| # |
| # CHECK: SYMBOL TABLE: |
| # CHECK: 00041008 .data 00000000 .hidden bar |
| # CHECK: 00000000 *UND* 00000000 foo |
| |
| # GOT: Relocations [ |
| # GOT-NEXT: ] |
| |
| # GOT: Primary GOT { |
| # GOT-NEXT: Canonical gp value: |
| # GOT-NEXT: Reserved entries [ |
| # GOT-NEXT: Entry { |
| # GOT-NEXT: Address: |
| # GOT-NEXT: Access: -32752 |
| # GOT-NEXT: Initial: 0x0 |
| # GOT-NEXT: Purpose: Lazy resolver |
| # GOT-NEXT: } |
| # GOT-NEXT: Entry { |
| # GOT-NEXT: Address: |
| # GOT-NEXT: Access: -32748 |
| # GOT-NEXT: Initial: 0x80000000 |
| # GOT-NEXT: Purpose: Module pointer (GNU extension) |
| # GOT-NEXT: } |
| # GOT-NEXT: ] |
| # GOT-NEXT: Local entries [ |
| # GOT-NEXT: Entry { |
| # GOT-NEXT: Address: |
| # GOT-NEXT: Access: -32744 |
| # GOT-NEXT: Initial: 0x10000 |
| # ^-- (0x1002c + 0x8000) & ~0xffff |
| # GOT-NEXT: } |
| # GOT-NEXT: Entry { |
| # GOT-NEXT: Address: |
| # GOT-NEXT: Access: -32740 |
| # GOT-NEXT: Initial: 0x20000 |
| # ^-- redundant unused entry |
| # GOT-NEXT: } |
| # GOT-NEXT: Entry { |
| # GOT-NEXT: Address: |
| # GOT-NEXT: Access: -32736 |
| # GOT-NEXT: Initial: 0x20000 |
| # ^-- redundant unused entry |
| # GOT-NEXT: } |
| # GOT-NEXT: Entry { |
| # GOT-NEXT: Address: |
| # GOT-NEXT: Access: -32732 |
| # GOT-NEXT: Initial: 0x30000 |
| # ^-- (0x29000 + 0x8000) & ~0xffff |
| # GOT-NEXT: } |
| # GOT-NEXT: Entry { |
| # GOT-NEXT: Address: |
| # GOT-NEXT: Access: -32728 |
| # GOT-NEXT: Initial: 0x40000 |
| # ^-- (0x29000 + 0x10004 + 0x8000) & ~0xffff |
| # ^-- (0x29000 + 0x18004 + 0x8000) & ~0xffff |
| # GOT-NEXT: } |
| # GOT-NEXT: Entry { |
| # GOT-NEXT: Address: |
| # GOT-NEXT: Access: -32724 |
| # GOT-NEXT: Initial: 0x50000 |
| # ^-- redundant unused entry |
| # GOT-NEXT: } |
| # GOT-NEXT: Entry { |
| # GOT-NEXT: Address: |
| # GOT-NEXT: Access: -32720 |
| # GOT-NEXT: Initial: 0x41008 |
| # ^-- 'bar' address |
| # GOT-NEXT: } |
| # GOT-NEXT: ] |
| # GOT-NEXT: Global entries [ |
| # GOT-NEXT: Entry { |
| # GOT-NEXT: Address: |
| # GOT-NEXT: Access: -32716 |
| # GOT-NEXT: Initial: 0x0 |
| # GOT-NEXT: Value: 0x0 |
| # GOT-NEXT: Type: None |
| # GOT-NEXT: Section: Undefined |
| # GOT-NEXT: Name: foo@ |
| # GOT-NEXT: } |
| # GOT-NEXT: ] |
| # GOT-NEXT: Number of TLS and multi-GOT entries: 0 |
| # GOT-NEXT: } |
| |
| .text |
| .globl __start |
| __start: |
| lw $t0,%got($LC0)($gp) |
| addi $t0,$t0,%lo($LC0) |
| lw $t0,%got($LC1)($gp) |
| addi $t0,$t0,%lo($LC1) |
| lw $t0,%got($LC1+0x10004)($gp) |
| addi $t0,$t0,%lo($LC1+0x10004) |
| lw $t0,%got($LC1+0x18004)($gp) |
| addi $t0,$t0,%lo($LC1+0x18004) |
| lw $t0,%got(bar)($gp) |
| addi $t0,$t0,%lo(bar) |
| lw $t0,%got(foo)($gp) |
| $LC0: |
| nop |
| |
| .data |
| .space 0x9000 |
| $LC1: |
| .word 0 |
| .space 0x18000 |
| .word 0 |
| .global bar |
| .hidden bar |
| bar: |
| .word 0 |
