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|
# 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
# REQUIRES: mips
# 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 1c lw $8, -32740($gp)
# CHECK-NEXT: 1000c: 21 08 90 00 addi $8, $8, -28672
# CHECK-NEXT: 10010: 8f 88 80 20 lw $8, -32736($gp)
# CHECK-NEXT: 10014: 21 08 90 04 addi $8, $8, -28668
# CHECK-NEXT: 10018: 8f 88 80 20 lw $8, -32736($gp)
# CHECK-NEXT: 1001c: 21 08 10 04 addi $8, $8, 4100
# CHECK-NEXT: 10020: 8f 88 80 28 lw $8, -32728($gp)
# CHECK-NEXT: 10024: 21 08 10 08 addi $8, $8, 4104
# CHECK-NEXT: 10028: 8f 88 80 2c lw $8, -32724($gp)
#
# CHECK: SYMBOL TABLE:
# CHECK: 00051008 .data 00000000 .hidden bar
# CHECK: 00000000 *UND* 00000000 foo
# GOT: Relocations [
# GOT-NEXT: ]
# GOT: Primary GOT {
# GOT-NEXT: Canonical gp value: 0x27FF0
# GOT-NEXT: Reserved entries [
# GOT-NEXT: Entry {
# GOT-NEXT: Address: 0x20000
# GOT-NEXT: Access: -32752
# GOT-NEXT: Initial: 0x0
# GOT-NEXT: Purpose: Lazy resolver
# GOT-NEXT: }
# GOT-NEXT: Entry {
# GOT-NEXT: Address: 0x20004
# 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: 0x20008
# GOT-NEXT: Access: -32744
# GOT-NEXT: Initial: 0x10000
# ^-- (0x1002c + 0x8000) & ~0xffff
# GOT-NEXT: }
# GOT-NEXT: Entry {
# GOT-NEXT: Address: 0x2000C
# GOT-NEXT: Access: -32740
# GOT-NEXT: Initial: 0x40000
# ^-- (0x39000 + 0x8000) & ~0xffff
# GOT-NEXT: }
# GOT-NEXT: Entry {
# GOT-NEXT: Address: 0x20010
# GOT-NEXT: Access: -32736
# GOT-NEXT: Initial: 0x50000
# ^-- (0x39000 + 0x10004 + 0x8000) & ~0xffff
# ^-- (0x39000 + 0x18004 + 0x8000) & ~0xffff
# GOT-NEXT: }
# GOT-NEXT: Entry {
# GOT-NEXT: Address: 0x20014
# GOT-NEXT: Access: -32732
# GOT-NEXT: Initial: 0x0
# ^-- redundant unused entry
# GOT-NEXT: }
# GOT-NEXT: Entry {
# GOT-NEXT: Address: 0x20018
# GOT-NEXT: Access: -327
# GOT-NEXT: Initial: 0x51008
# ^-- 'bar' address
# GOT-NEXT: }
# GOT-NEXT: ]
# GOT-NEXT: Global entries [
# GOT-NEXT: Entry {
# GOT-NEXT: Address: 0x2001C
# GOT-NEXT: Access: -32724
# 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
|
